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)));
3400 } // [DM] 'else { ' deleted
3402 /* Regular tells and says */
3403 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3404 looking_at(buf, &i, "* (your partner) tells you: ") ||
3405 looking_at(buf, &i, "* says: ") ||
3406 /* Don't color "message" or "messages" output */
3407 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3408 looking_at(buf, &i, "*. * at *:*: ") ||
3409 looking_at(buf, &i, "--* (*:*): ") ||
3410 /* Message notifications (same color as tells) */
3411 looking_at(buf, &i, "* has left a message ") ||
3412 looking_at(buf, &i, "* just sent you a message:\n") ||
3413 /* Whispers and kibitzes */
3414 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3415 looking_at(buf, &i, "* kibitzes: ") ||
3417 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3419 if (tkind == 1 && strchr(star_match[0], ':')) {
3420 /* Avoid "tells you:" spoofs in channels */
3423 if (star_match[0][0] == NULLCHAR ||
3424 strchr(star_match[0], ' ') ||
3425 (tkind == 3 && strchr(star_match[1], ' '))) {
3426 /* Reject bogus matches */
3429 if (appData.colorize) {
3430 if (oldi > next_out) {
3431 SendToPlayer(&buf[next_out], oldi - next_out);
3436 Colorize(ColorTell, FALSE);
3437 curColor = ColorTell;
3440 Colorize(ColorKibitz, FALSE);
3441 curColor = ColorKibitz;
3444 p = strrchr(star_match[1], '(');
3451 Colorize(ColorChannel1, FALSE);
3452 curColor = ColorChannel1;
3454 Colorize(ColorChannel, FALSE);
3455 curColor = ColorChannel;
3459 curColor = ColorNormal;
3463 if (started == STARTED_NONE && appData.autoComment &&
3464 (gameMode == IcsObserving ||
3465 gameMode == IcsPlayingWhite ||
3466 gameMode == IcsPlayingBlack)) {
3467 parse_pos = i - oldi;
3468 memcpy(parse, &buf[oldi], parse_pos);
3469 parse[parse_pos] = NULLCHAR;
3470 started = STARTED_COMMENT;
3471 savingComment = TRUE;
3472 } else if(collective != 3) {
3473 started = STARTED_CHATTER;
3474 savingComment = FALSE;
3481 if (looking_at(buf, &i, "* s-shouts: ") ||
3482 looking_at(buf, &i, "* c-shouts: ")) {
3483 if (appData.colorize) {
3484 if (oldi > next_out) {
3485 SendToPlayer(&buf[next_out], oldi - next_out);
3488 Colorize(ColorSShout, FALSE);
3489 curColor = ColorSShout;
3492 started = STARTED_CHATTER;
3496 if (looking_at(buf, &i, "--->")) {
3501 if (looking_at(buf, &i, "* shouts: ") ||
3502 looking_at(buf, &i, "--> ")) {
3503 if (appData.colorize) {
3504 if (oldi > next_out) {
3505 SendToPlayer(&buf[next_out], oldi - next_out);
3508 Colorize(ColorShout, FALSE);
3509 curColor = ColorShout;
3512 started = STARTED_CHATTER;
3516 if (looking_at( buf, &i, "Challenge:")) {
3517 if (appData.colorize) {
3518 if (oldi > next_out) {
3519 SendToPlayer(&buf[next_out], oldi - next_out);
3522 Colorize(ColorChallenge, FALSE);
3523 curColor = ColorChallenge;
3529 if (looking_at(buf, &i, "* offers you") ||
3530 looking_at(buf, &i, "* offers to be") ||
3531 looking_at(buf, &i, "* would like to") ||
3532 looking_at(buf, &i, "* requests to") ||
3533 looking_at(buf, &i, "Your opponent offers") ||
3534 looking_at(buf, &i, "Your opponent requests")) {
3536 if (appData.colorize) {
3537 if (oldi > next_out) {
3538 SendToPlayer(&buf[next_out], oldi - next_out);
3541 Colorize(ColorRequest, FALSE);
3542 curColor = ColorRequest;
3547 if (looking_at(buf, &i, "* (*) seeking")) {
3548 if (appData.colorize) {
3549 if (oldi > next_out) {
3550 SendToPlayer(&buf[next_out], oldi - next_out);
3553 Colorize(ColorSeek, FALSE);
3554 curColor = ColorSeek;
3559 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3561 if (looking_at(buf, &i, "\\ ")) {
3562 if (prevColor != ColorNormal) {
3563 if (oldi > next_out) {
3564 SendToPlayer(&buf[next_out], oldi - next_out);
3567 Colorize(prevColor, TRUE);
3568 curColor = prevColor;
3570 if (savingComment) {
3571 parse_pos = i - oldi;
3572 memcpy(parse, &buf[oldi], parse_pos);
3573 parse[parse_pos] = NULLCHAR;
3574 started = STARTED_COMMENT;
3575 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3576 chattingPartner = savingComment - 3; // kludge to remember the box
3578 started = STARTED_CHATTER;
3583 if (looking_at(buf, &i, "Black Strength :") ||
3584 looking_at(buf, &i, "<<< style 10 board >>>") ||
3585 looking_at(buf, &i, "<10>") ||
3586 looking_at(buf, &i, "#@#")) {
3587 /* Wrong board style */
3589 SendToICS(ics_prefix);
3590 SendToICS("set style 12\n");
3591 SendToICS(ics_prefix);
3592 SendToICS("refresh\n");
3596 if (looking_at(buf, &i, "login:")) {
3597 if (!have_sent_ICS_logon) {
3599 have_sent_ICS_logon = 1;
3600 else // no init script was found
3601 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3602 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3603 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3608 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3609 (looking_at(buf, &i, "\n<12> ") ||
3610 looking_at(buf, &i, "<12> "))) {
3612 if (oldi > next_out) {
3613 SendToPlayer(&buf[next_out], oldi - next_out);
3616 started = STARTED_BOARD;
3621 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3622 looking_at(buf, &i, "<b1> ")) {
3623 if (oldi > next_out) {
3624 SendToPlayer(&buf[next_out], oldi - next_out);
3627 started = STARTED_HOLDINGS;
3632 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3634 /* Header for a move list -- first line */
3636 switch (ics_getting_history) {
3640 case BeginningOfGame:
3641 /* User typed "moves" or "oldmoves" while we
3642 were idle. Pretend we asked for these
3643 moves and soak them up so user can step
3644 through them and/or save them.
3647 gameMode = IcsObserving;
3650 ics_getting_history = H_GOT_UNREQ_HEADER;
3652 case EditGame: /*?*/
3653 case EditPosition: /*?*/
3654 /* Should above feature work in these modes too? */
3655 /* For now it doesn't */
3656 ics_getting_history = H_GOT_UNWANTED_HEADER;
3659 ics_getting_history = H_GOT_UNWANTED_HEADER;
3664 /* Is this the right one? */
3665 if (gameInfo.white && gameInfo.black &&
3666 strcmp(gameInfo.white, star_match[0]) == 0 &&
3667 strcmp(gameInfo.black, star_match[2]) == 0) {
3669 ics_getting_history = H_GOT_REQ_HEADER;
3672 case H_GOT_REQ_HEADER:
3673 case H_GOT_UNREQ_HEADER:
3674 case H_GOT_UNWANTED_HEADER:
3675 case H_GETTING_MOVES:
3676 /* Should not happen */
3677 DisplayError(_("Error gathering move list: two headers"), 0);
3678 ics_getting_history = H_FALSE;
3682 /* Save player ratings into gameInfo if needed */
3683 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3684 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3685 (gameInfo.whiteRating == -1 ||
3686 gameInfo.blackRating == -1)) {
3688 gameInfo.whiteRating = string_to_rating(star_match[1]);
3689 gameInfo.blackRating = string_to_rating(star_match[3]);
3690 if (appData.debugMode)
3691 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3692 gameInfo.whiteRating, gameInfo.blackRating);
3697 if (looking_at(buf, &i,
3698 "* * match, initial time: * minute*, increment: * second")) {
3699 /* Header for a move list -- second line */
3700 /* Initial board will follow if this is a wild game */
3701 if (gameInfo.event != NULL) free(gameInfo.event);
3702 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3703 gameInfo.event = StrSave(str);
3704 /* [HGM] we switched variant. Translate boards if needed. */
3705 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3709 if (looking_at(buf, &i, "Move ")) {
3710 /* Beginning of a move list */
3711 switch (ics_getting_history) {
3713 /* Normally should not happen */
3714 /* Maybe user hit reset while we were parsing */
3717 /* Happens if we are ignoring a move list that is not
3718 * the one we just requested. Common if the user
3719 * tries to observe two games without turning off
3722 case H_GETTING_MOVES:
3723 /* Should not happen */
3724 DisplayError(_("Error gathering move list: nested"), 0);
3725 ics_getting_history = H_FALSE;
3727 case H_GOT_REQ_HEADER:
3728 ics_getting_history = H_GETTING_MOVES;
3729 started = STARTED_MOVES;
3731 if (oldi > next_out) {
3732 SendToPlayer(&buf[next_out], oldi - next_out);
3735 case H_GOT_UNREQ_HEADER:
3736 ics_getting_history = H_GETTING_MOVES;
3737 started = STARTED_MOVES_NOHIDE;
3740 case H_GOT_UNWANTED_HEADER:
3741 ics_getting_history = H_FALSE;
3747 if (looking_at(buf, &i, "% ") ||
3748 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3749 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3750 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3751 soughtPending = FALSE;
3755 if(suppressKibitz) next_out = i;
3756 savingComment = FALSE;
3760 case STARTED_MOVES_NOHIDE:
3761 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3762 parse[parse_pos + i - oldi] = NULLCHAR;
3763 ParseGameHistory(parse);
3765 if (appData.zippyPlay && first.initDone) {
3766 FeedMovesToProgram(&first, forwardMostMove);
3767 if (gameMode == IcsPlayingWhite) {
3768 if (WhiteOnMove(forwardMostMove)) {
3769 if (first.sendTime) {
3770 if (first.useColors) {
3771 SendToProgram("black\n", &first);
3773 SendTimeRemaining(&first, TRUE);
3775 if (first.useColors) {
3776 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3778 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3779 first.maybeThinking = TRUE;
3781 if (first.usePlayother) {
3782 if (first.sendTime) {
3783 SendTimeRemaining(&first, TRUE);
3785 SendToProgram("playother\n", &first);
3791 } else if (gameMode == IcsPlayingBlack) {
3792 if (!WhiteOnMove(forwardMostMove)) {
3793 if (first.sendTime) {
3794 if (first.useColors) {
3795 SendToProgram("white\n", &first);
3797 SendTimeRemaining(&first, FALSE);
3799 if (first.useColors) {
3800 SendToProgram("black\n", &first);
3802 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3803 first.maybeThinking = TRUE;
3805 if (first.usePlayother) {
3806 if (first.sendTime) {
3807 SendTimeRemaining(&first, FALSE);
3809 SendToProgram("playother\n", &first);
3818 if (gameMode == IcsObserving && ics_gamenum == -1) {
3819 /* Moves came from oldmoves or moves command
3820 while we weren't doing anything else.
3822 currentMove = forwardMostMove;
3823 ClearHighlights();/*!!could figure this out*/
3824 flipView = appData.flipView;
3825 DrawPosition(TRUE, boards[currentMove]);
3826 DisplayBothClocks();
3827 snprintf(str, MSG_SIZ, "%s %s %s",
3828 gameInfo.white, _("vs."), gameInfo.black);
3832 /* Moves were history of an active game */
3833 if (gameInfo.resultDetails != NULL) {
3834 free(gameInfo.resultDetails);
3835 gameInfo.resultDetails = NULL;
3838 HistorySet(parseList, backwardMostMove,
3839 forwardMostMove, currentMove-1);
3840 DisplayMove(currentMove - 1);
3841 if (started == STARTED_MOVES) next_out = i;
3842 started = STARTED_NONE;
3843 ics_getting_history = H_FALSE;
3846 case STARTED_OBSERVE:
3847 started = STARTED_NONE;
3848 SendToICS(ics_prefix);
3849 SendToICS("refresh\n");
3855 if(bookHit) { // [HGM] book: simulate book reply
3856 static char bookMove[MSG_SIZ]; // a bit generous?
3858 programStats.nodes = programStats.depth = programStats.time =
3859 programStats.score = programStats.got_only_move = 0;
3860 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3862 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3863 strcat(bookMove, bookHit);
3864 HandleMachineMove(bookMove, &first);
3869 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3870 started == STARTED_HOLDINGS ||
3871 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3872 /* Accumulate characters in move list or board */
3873 parse[parse_pos++] = buf[i];
3876 /* Start of game messages. Mostly we detect start of game
3877 when the first board image arrives. On some versions
3878 of the ICS, though, we need to do a "refresh" after starting
3879 to observe in order to get the current board right away. */
3880 if (looking_at(buf, &i, "Adding game * to observation list")) {
3881 started = STARTED_OBSERVE;
3885 /* Handle auto-observe */
3886 if (appData.autoObserve &&
3887 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3888 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3890 /* Choose the player that was highlighted, if any. */
3891 if (star_match[0][0] == '\033' ||
3892 star_match[1][0] != '\033') {
3893 player = star_match[0];
3895 player = star_match[2];
3897 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3898 ics_prefix, StripHighlightAndTitle(player));
3901 /* Save ratings from notify string */
3902 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3903 player1Rating = string_to_rating(star_match[1]);
3904 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3905 player2Rating = string_to_rating(star_match[3]);
3907 if (appData.debugMode)
3909 "Ratings from 'Game notification:' %s %d, %s %d\n",
3910 player1Name, player1Rating,
3911 player2Name, player2Rating);
3916 /* Deal with automatic examine mode after a game,
3917 and with IcsObserving -> IcsExamining transition */
3918 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3919 looking_at(buf, &i, "has made you an examiner of game *")) {
3921 int gamenum = atoi(star_match[0]);
3922 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3923 gamenum == ics_gamenum) {
3924 /* We were already playing or observing this game;
3925 no need to refetch history */
3926 gameMode = IcsExamining;
3928 pauseExamForwardMostMove = forwardMostMove;
3929 } else if (currentMove < forwardMostMove) {
3930 ForwardInner(forwardMostMove);
3933 /* I don't think this case really can happen */
3934 SendToICS(ics_prefix);
3935 SendToICS("refresh\n");
3940 /* Error messages */
3941 // if (ics_user_moved) {
3942 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3943 if (looking_at(buf, &i, "Illegal move") ||
3944 looking_at(buf, &i, "Not a legal move") ||
3945 looking_at(buf, &i, "Your king is in check") ||
3946 looking_at(buf, &i, "It isn't your turn") ||
3947 looking_at(buf, &i, "It is not your move")) {
3949 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3950 currentMove = forwardMostMove-1;
3951 DisplayMove(currentMove - 1); /* before DMError */
3952 DrawPosition(FALSE, boards[currentMove]);
3953 SwitchClocks(forwardMostMove-1); // [HGM] race
3954 DisplayBothClocks();
3956 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3962 if (looking_at(buf, &i, "still have time") ||
3963 looking_at(buf, &i, "not out of time") ||
3964 looking_at(buf, &i, "either player is out of time") ||
3965 looking_at(buf, &i, "has timeseal; checking")) {
3966 /* We must have called his flag a little too soon */
3967 whiteFlag = blackFlag = FALSE;
3971 if (looking_at(buf, &i, "added * seconds to") ||
3972 looking_at(buf, &i, "seconds were added to")) {
3973 /* Update the clocks */
3974 SendToICS(ics_prefix);
3975 SendToICS("refresh\n");
3979 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3980 ics_clock_paused = TRUE;
3985 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3986 ics_clock_paused = FALSE;
3991 /* Grab player ratings from the Creating: message.
3992 Note we have to check for the special case when
3993 the ICS inserts things like [white] or [black]. */
3994 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3995 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3997 0 player 1 name (not necessarily white)
3999 2 empty, white, or black (IGNORED)
4000 3 player 2 name (not necessarily black)
4003 The names/ratings are sorted out when the game
4004 actually starts (below).
4006 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
4007 player1Rating = string_to_rating(star_match[1]);
4008 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
4009 player2Rating = string_to_rating(star_match[4]);
4011 if (appData.debugMode)
4013 "Ratings from 'Creating:' %s %d, %s %d\n",
4014 player1Name, player1Rating,
4015 player2Name, player2Rating);
4020 /* Improved generic start/end-of-game messages */
4021 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
4022 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
4023 /* If tkind == 0: */
4024 /* star_match[0] is the game number */
4025 /* [1] is the white player's name */
4026 /* [2] is the black player's name */
4027 /* For end-of-game: */
4028 /* [3] is the reason for the game end */
4029 /* [4] is a PGN end game-token, preceded by " " */
4030 /* For start-of-game: */
4031 /* [3] begins with "Creating" or "Continuing" */
4032 /* [4] is " *" or empty (don't care). */
4033 int gamenum = atoi(star_match[0]);
4034 char *whitename, *blackname, *why, *endtoken;
4035 ChessMove endtype = EndOfFile;
4038 whitename = star_match[1];
4039 blackname = star_match[2];
4040 why = star_match[3];
4041 endtoken = star_match[4];
4043 whitename = star_match[1];
4044 blackname = star_match[3];
4045 why = star_match[5];
4046 endtoken = star_match[6];
4049 /* Game start messages */
4050 if (strncmp(why, "Creating ", 9) == 0 ||
4051 strncmp(why, "Continuing ", 11) == 0) {
4052 gs_gamenum = gamenum;
4053 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
4054 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
4055 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
4057 if (appData.zippyPlay) {
4058 ZippyGameStart(whitename, blackname);
4061 partnerBoardValid = FALSE; // [HGM] bughouse
4065 /* Game end messages */
4066 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
4067 ics_gamenum != gamenum) {
4070 while (endtoken[0] == ' ') endtoken++;
4071 switch (endtoken[0]) {
4074 endtype = GameUnfinished;
4077 endtype = BlackWins;
4080 if (endtoken[1] == '/')
4081 endtype = GameIsDrawn;
4083 endtype = WhiteWins;
4086 GameEnds(endtype, why, GE_ICS);
4088 if (appData.zippyPlay && first.initDone) {
4089 ZippyGameEnd(endtype, why);
4090 if (first.pr == NoProc) {
4091 /* Start the next process early so that we'll
4092 be ready for the next challenge */
4093 StartChessProgram(&first);
4095 /* Send "new" early, in case this command takes
4096 a long time to finish, so that we'll be ready
4097 for the next challenge. */
4098 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4102 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4106 if (looking_at(buf, &i, "Removing game * from observation") ||
4107 looking_at(buf, &i, "no longer observing game *") ||
4108 looking_at(buf, &i, "Game * (*) has no examiners")) {
4109 if (gameMode == IcsObserving &&
4110 atoi(star_match[0]) == ics_gamenum)
4112 /* icsEngineAnalyze */
4113 if (appData.icsEngineAnalyze) {
4120 ics_user_moved = FALSE;
4125 if (looking_at(buf, &i, "no longer examining game *")) {
4126 if (gameMode == IcsExamining &&
4127 atoi(star_match[0]) == ics_gamenum)
4131 ics_user_moved = FALSE;
4136 /* Advance leftover_start past any newlines we find,
4137 so only partial lines can get reparsed */
4138 if (looking_at(buf, &i, "\n")) {
4139 prevColor = curColor;
4140 if (curColor != ColorNormal) {
4141 if (oldi > next_out) {
4142 SendToPlayer(&buf[next_out], oldi - next_out);
4145 Colorize(ColorNormal, FALSE);
4146 curColor = ColorNormal;
4148 if (started == STARTED_BOARD) {
4149 started = STARTED_NONE;
4150 parse[parse_pos] = NULLCHAR;
4151 ParseBoard12(parse);
4154 /* Send premove here */
4155 if (appData.premove) {
4157 if (currentMove == 0 &&
4158 gameMode == IcsPlayingWhite &&
4159 appData.premoveWhite) {
4160 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4161 if (appData.debugMode)
4162 fprintf(debugFP, "Sending premove:\n");
4164 } else if (currentMove == 1 &&
4165 gameMode == IcsPlayingBlack &&
4166 appData.premoveBlack) {
4167 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4168 if (appData.debugMode)
4169 fprintf(debugFP, "Sending premove:\n");
4171 } else if (gotPremove) {
4172 int oldFMM = forwardMostMove;
4174 ClearPremoveHighlights();
4175 if (appData.debugMode)
4176 fprintf(debugFP, "Sending premove:\n");
4177 UserMoveEvent(premoveFromX, premoveFromY,
4178 premoveToX, premoveToY,
4180 if(forwardMostMove == oldFMM) { // premove was rejected, highlight last opponent move
4181 if(moveList[oldFMM-1][1] != '@')
4182 SetHighlights(moveList[oldFMM-1][0]-AAA, moveList[oldFMM-1][1]-ONE,
4183 moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4185 SetHighlights(-1, -1, moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4190 /* Usually suppress following prompt */
4191 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4192 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4193 if (looking_at(buf, &i, "*% ")) {
4194 savingComment = FALSE;
4199 } else if (started == STARTED_HOLDINGS) {
4201 char new_piece[MSG_SIZ];
4202 started = STARTED_NONE;
4203 parse[parse_pos] = NULLCHAR;
4204 if (appData.debugMode)
4205 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4206 parse, currentMove);
4207 if (sscanf(parse, " game %d", &gamenum) == 1) {
4208 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4209 if (gameInfo.variant == VariantNormal) {
4210 /* [HGM] We seem to switch variant during a game!
4211 * Presumably no holdings were displayed, so we have
4212 * to move the position two files to the right to
4213 * create room for them!
4215 VariantClass newVariant;
4216 switch(gameInfo.boardWidth) { // base guess on board width
4217 case 9: newVariant = VariantShogi; break;
4218 case 10: newVariant = VariantGreat; break;
4219 default: newVariant = VariantCrazyhouse; break;
4221 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4222 /* Get a move list just to see the header, which
4223 will tell us whether this is really bug or zh */
4224 if (ics_getting_history == H_FALSE) {
4225 ics_getting_history = H_REQUESTED;
4226 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4230 new_piece[0] = NULLCHAR;
4231 sscanf(parse, "game %d white [%s black [%s <- %s",
4232 &gamenum, white_holding, black_holding,
4234 white_holding[strlen(white_holding)-1] = NULLCHAR;
4235 black_holding[strlen(black_holding)-1] = NULLCHAR;
4236 /* [HGM] copy holdings to board holdings area */
4237 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4238 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4239 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4241 if (appData.zippyPlay && first.initDone) {
4242 ZippyHoldings(white_holding, black_holding,
4246 if (tinyLayout || smallLayout) {
4247 char wh[16], bh[16];
4248 PackHolding(wh, white_holding);
4249 PackHolding(bh, black_holding);
4250 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4251 gameInfo.white, gameInfo.black);
4253 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4254 gameInfo.white, white_holding, _("vs."),
4255 gameInfo.black, black_holding);
4257 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4258 DrawPosition(FALSE, boards[currentMove]);
4260 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4261 sscanf(parse, "game %d white [%s black [%s <- %s",
4262 &gamenum, white_holding, black_holding,
4264 white_holding[strlen(white_holding)-1] = NULLCHAR;
4265 black_holding[strlen(black_holding)-1] = NULLCHAR;
4266 /* [HGM] copy holdings to partner-board holdings area */
4267 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4268 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4269 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4270 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4271 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4274 /* Suppress following prompt */
4275 if (looking_at(buf, &i, "*% ")) {
4276 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4277 savingComment = FALSE;
4285 i++; /* skip unparsed character and loop back */
4288 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4289 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4290 // SendToPlayer(&buf[next_out], i - next_out);
4291 started != STARTED_HOLDINGS && leftover_start > next_out) {
4292 SendToPlayer(&buf[next_out], leftover_start - next_out);
4296 leftover_len = buf_len - leftover_start;
4297 /* if buffer ends with something we couldn't parse,
4298 reparse it after appending the next read */
4300 } else if (count == 0) {
4301 RemoveInputSource(isr);
4302 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4304 DisplayFatalError(_("Error reading from ICS"), error, 1);
4309 /* Board style 12 looks like this:
4311 <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
4313 * The "<12> " is stripped before it gets to this routine. The two
4314 * trailing 0's (flip state and clock ticking) are later addition, and
4315 * some chess servers may not have them, or may have only the first.
4316 * Additional trailing fields may be added in the future.
4319 #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"
4321 #define RELATION_OBSERVING_PLAYED 0
4322 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4323 #define RELATION_PLAYING_MYMOVE 1
4324 #define RELATION_PLAYING_NOTMYMOVE -1
4325 #define RELATION_EXAMINING 2
4326 #define RELATION_ISOLATED_BOARD -3
4327 #define RELATION_STARTING_POSITION -4 /* FICS only */
4330 ParseBoard12 (char *string)
4334 char *bookHit = NULL; // [HGM] book
4336 GameMode newGameMode;
4337 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4338 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4339 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4340 char to_play, board_chars[200];
4341 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4342 char black[32], white[32];
4344 int prevMove = currentMove;
4347 int fromX, fromY, toX, toY;
4349 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4350 Boolean weird = FALSE, reqFlag = FALSE;
4352 fromX = fromY = toX = toY = -1;
4356 if (appData.debugMode)
4357 fprintf(debugFP, "Parsing board: %s\n", string);
4359 move_str[0] = NULLCHAR;
4360 elapsed_time[0] = NULLCHAR;
4361 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4363 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4364 if(string[i] == ' ') { ranks++; files = 0; }
4366 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4369 for(j = 0; j <i; j++) board_chars[j] = string[j];
4370 board_chars[i] = '\0';
4373 n = sscanf(string, PATTERN, &to_play, &double_push,
4374 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4375 &gamenum, white, black, &relation, &basetime, &increment,
4376 &white_stren, &black_stren, &white_time, &black_time,
4377 &moveNum, str, elapsed_time, move_str, &ics_flip,
4381 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4382 DisplayError(str, 0);
4386 /* Convert the move number to internal form */
4387 moveNum = (moveNum - 1) * 2;
4388 if (to_play == 'B') moveNum++;
4389 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4390 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4396 case RELATION_OBSERVING_PLAYED:
4397 case RELATION_OBSERVING_STATIC:
4398 if (gamenum == -1) {
4399 /* Old ICC buglet */
4400 relation = RELATION_OBSERVING_STATIC;
4402 newGameMode = IcsObserving;
4404 case RELATION_PLAYING_MYMOVE:
4405 case RELATION_PLAYING_NOTMYMOVE:
4407 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4408 IcsPlayingWhite : IcsPlayingBlack;
4409 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4411 case RELATION_EXAMINING:
4412 newGameMode = IcsExamining;
4414 case RELATION_ISOLATED_BOARD:
4416 /* Just display this board. If user was doing something else,
4417 we will forget about it until the next board comes. */
4418 newGameMode = IcsIdle;
4420 case RELATION_STARTING_POSITION:
4421 newGameMode = gameMode;
4425 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4426 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4427 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4428 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4429 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4430 static int lastBgGame = -1;
4432 for (k = 0; k < ranks; k++) {
4433 for (j = 0; j < files; j++)
4434 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4435 if(gameInfo.holdingsWidth > 1) {
4436 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4437 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4440 CopyBoard(partnerBoard, board);
4441 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4442 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4443 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4444 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4445 if(toSqr = strchr(str, '-')) {
4446 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4447 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4448 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4449 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4450 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4451 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4453 DisplayWhiteClock(white_time*fac, to_play == 'W');
4454 DisplayBlackClock(black_time*fac, to_play != 'W');
4455 activePartner = to_play;
4456 if(gamenum != lastBgGame) {
4458 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4461 lastBgGame = gamenum;
4462 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4463 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4464 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4465 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4466 if(!twoBoards) DisplayMessage(partnerStatus, "");
4467 partnerBoardValid = TRUE;
4471 if(appData.dualBoard && appData.bgObserve) {
4472 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4473 SendToICS(ics_prefix), SendToICS("pobserve\n");
4474 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4476 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4481 /* Modify behavior for initial board display on move listing
4484 switch (ics_getting_history) {
4488 case H_GOT_REQ_HEADER:
4489 case H_GOT_UNREQ_HEADER:
4490 /* This is the initial position of the current game */
4491 gamenum = ics_gamenum;
4492 moveNum = 0; /* old ICS bug workaround */
4493 if (to_play == 'B') {
4494 startedFromSetupPosition = TRUE;
4495 blackPlaysFirst = TRUE;
4497 if (forwardMostMove == 0) forwardMostMove = 1;
4498 if (backwardMostMove == 0) backwardMostMove = 1;
4499 if (currentMove == 0) currentMove = 1;
4501 newGameMode = gameMode;
4502 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4504 case H_GOT_UNWANTED_HEADER:
4505 /* This is an initial board that we don't want */
4507 case H_GETTING_MOVES:
4508 /* Should not happen */
4509 DisplayError(_("Error gathering move list: extra board"), 0);
4510 ics_getting_history = H_FALSE;
4514 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4515 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4516 weird && (int)gameInfo.variant < (int)VariantShogi) {
4517 /* [HGM] We seem to have switched variant unexpectedly
4518 * Try to guess new variant from board size
4520 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4521 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4522 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4523 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4524 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4525 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4526 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4527 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4528 /* Get a move list just to see the header, which
4529 will tell us whether this is really bug or zh */
4530 if (ics_getting_history == H_FALSE) {
4531 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4532 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4537 /* Take action if this is the first board of a new game, or of a
4538 different game than is currently being displayed. */
4539 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4540 relation == RELATION_ISOLATED_BOARD) {
4542 /* Forget the old game and get the history (if any) of the new one */
4543 if (gameMode != BeginningOfGame) {
4547 if (appData.autoRaiseBoard) BoardToTop();
4549 if (gamenum == -1) {
4550 newGameMode = IcsIdle;
4551 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4552 appData.getMoveList && !reqFlag) {
4553 /* Need to get game history */
4554 ics_getting_history = H_REQUESTED;
4555 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4559 /* Initially flip the board to have black on the bottom if playing
4560 black or if the ICS flip flag is set, but let the user change
4561 it with the Flip View button. */
4562 flipView = appData.autoFlipView ?
4563 (newGameMode == IcsPlayingBlack) || ics_flip :
4566 /* Done with values from previous mode; copy in new ones */
4567 gameMode = newGameMode;
4569 ics_gamenum = gamenum;
4570 if (gamenum == gs_gamenum) {
4571 int klen = strlen(gs_kind);
4572 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4573 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4574 gameInfo.event = StrSave(str);
4576 gameInfo.event = StrSave("ICS game");
4578 gameInfo.site = StrSave(appData.icsHost);
4579 gameInfo.date = PGNDate();
4580 gameInfo.round = StrSave("-");
4581 gameInfo.white = StrSave(white);
4582 gameInfo.black = StrSave(black);
4583 timeControl = basetime * 60 * 1000;
4585 timeIncrement = increment * 1000;
4586 movesPerSession = 0;
4587 gameInfo.timeControl = TimeControlTagValue();
4588 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4589 if (appData.debugMode) {
4590 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4591 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4592 setbuf(debugFP, NULL);
4595 gameInfo.outOfBook = NULL;
4597 /* Do we have the ratings? */
4598 if (strcmp(player1Name, white) == 0 &&
4599 strcmp(player2Name, black) == 0) {
4600 if (appData.debugMode)
4601 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4602 player1Rating, player2Rating);
4603 gameInfo.whiteRating = player1Rating;
4604 gameInfo.blackRating = player2Rating;
4605 } else if (strcmp(player2Name, white) == 0 &&
4606 strcmp(player1Name, black) == 0) {
4607 if (appData.debugMode)
4608 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4609 player2Rating, player1Rating);
4610 gameInfo.whiteRating = player2Rating;
4611 gameInfo.blackRating = player1Rating;
4613 player1Name[0] = player2Name[0] = NULLCHAR;
4615 /* Silence shouts if requested */
4616 if (appData.quietPlay &&
4617 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4618 SendToICS(ics_prefix);
4619 SendToICS("set shout 0\n");
4623 /* Deal with midgame name changes */
4625 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4626 if (gameInfo.white) free(gameInfo.white);
4627 gameInfo.white = StrSave(white);
4629 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4630 if (gameInfo.black) free(gameInfo.black);
4631 gameInfo.black = StrSave(black);
4635 /* Throw away game result if anything actually changes in examine mode */
4636 if (gameMode == IcsExamining && !newGame) {
4637 gameInfo.result = GameUnfinished;
4638 if (gameInfo.resultDetails != NULL) {
4639 free(gameInfo.resultDetails);
4640 gameInfo.resultDetails = NULL;
4644 /* In pausing && IcsExamining mode, we ignore boards coming
4645 in if they are in a different variation than we are. */
4646 if (pauseExamInvalid) return;
4647 if (pausing && gameMode == IcsExamining) {
4648 if (moveNum <= pauseExamForwardMostMove) {
4649 pauseExamInvalid = TRUE;
4650 forwardMostMove = pauseExamForwardMostMove;
4655 if (appData.debugMode) {
4656 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4658 /* Parse the board */
4659 for (k = 0; k < ranks; k++) {
4660 for (j = 0; j < files; j++)
4661 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4662 if(gameInfo.holdingsWidth > 1) {
4663 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4664 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4667 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4668 board[5][BOARD_RGHT+1] = WhiteAngel;
4669 board[6][BOARD_RGHT+1] = WhiteMarshall;
4670 board[1][0] = BlackMarshall;
4671 board[2][0] = BlackAngel;
4672 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4674 CopyBoard(boards[moveNum], board);
4675 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4677 startedFromSetupPosition =
4678 !CompareBoards(board, initialPosition);
4679 if(startedFromSetupPosition)
4680 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4683 /* [HGM] Set castling rights. Take the outermost Rooks,
4684 to make it also work for FRC opening positions. Note that board12
4685 is really defective for later FRC positions, as it has no way to
4686 indicate which Rook can castle if they are on the same side of King.
4687 For the initial position we grant rights to the outermost Rooks,
4688 and remember thos rights, and we then copy them on positions
4689 later in an FRC game. This means WB might not recognize castlings with
4690 Rooks that have moved back to their original position as illegal,
4691 but in ICS mode that is not its job anyway.
4693 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4694 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4696 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4697 if(board[0][i] == WhiteRook) j = i;
4698 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4699 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4700 if(board[0][i] == WhiteRook) j = i;
4701 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4702 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4703 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4704 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4705 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4706 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4707 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4709 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4710 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4711 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4712 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4713 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4714 if(board[BOARD_HEIGHT-1][k] == bKing)
4715 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4716 if(gameInfo.variant == VariantTwoKings) {
4717 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4718 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4719 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4722 r = boards[moveNum][CASTLING][0] = initialRights[0];
4723 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4724 r = boards[moveNum][CASTLING][1] = initialRights[1];
4725 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4726 r = boards[moveNum][CASTLING][3] = initialRights[3];
4727 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4728 r = boards[moveNum][CASTLING][4] = initialRights[4];
4729 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4730 /* wildcastle kludge: always assume King has rights */
4731 r = boards[moveNum][CASTLING][2] = initialRights[2];
4732 r = boards[moveNum][CASTLING][5] = initialRights[5];
4734 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4735 boards[moveNum][EP_STATUS] = EP_NONE;
4736 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4737 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4738 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4741 if (ics_getting_history == H_GOT_REQ_HEADER ||
4742 ics_getting_history == H_GOT_UNREQ_HEADER) {
4743 /* This was an initial position from a move list, not
4744 the current position */
4748 /* Update currentMove and known move number limits */
4749 newMove = newGame || moveNum > forwardMostMove;
4752 forwardMostMove = backwardMostMove = currentMove = moveNum;
4753 if (gameMode == IcsExamining && moveNum == 0) {
4754 /* Workaround for ICS limitation: we are not told the wild
4755 type when starting to examine a game. But if we ask for
4756 the move list, the move list header will tell us */
4757 ics_getting_history = H_REQUESTED;
4758 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4761 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4762 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4764 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4765 /* [HGM] applied this also to an engine that is silently watching */
4766 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4767 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4768 gameInfo.variant == currentlyInitializedVariant) {
4769 takeback = forwardMostMove - moveNum;
4770 for (i = 0; i < takeback; i++) {
4771 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4772 SendToProgram("undo\n", &first);
4777 forwardMostMove = moveNum;
4778 if (!pausing || currentMove > forwardMostMove)
4779 currentMove = forwardMostMove;
4781 /* New part of history that is not contiguous with old part */
4782 if (pausing && gameMode == IcsExamining) {
4783 pauseExamInvalid = TRUE;
4784 forwardMostMove = pauseExamForwardMostMove;
4787 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4789 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4790 // [HGM] when we will receive the move list we now request, it will be
4791 // fed to the engine from the first move on. So if the engine is not
4792 // in the initial position now, bring it there.
4793 InitChessProgram(&first, 0);
4796 ics_getting_history = H_REQUESTED;
4797 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4800 forwardMostMove = backwardMostMove = currentMove = moveNum;
4803 /* Update the clocks */
4804 if (strchr(elapsed_time, '.')) {
4806 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4807 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4809 /* Time is in seconds */
4810 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4811 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4816 if (appData.zippyPlay && newGame &&
4817 gameMode != IcsObserving && gameMode != IcsIdle &&
4818 gameMode != IcsExamining)
4819 ZippyFirstBoard(moveNum, basetime, increment);
4822 /* Put the move on the move list, first converting
4823 to canonical algebraic form. */
4825 if (appData.debugMode) {
4826 int f = forwardMostMove;
4827 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4828 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4829 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4830 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4831 fprintf(debugFP, "moveNum = %d\n", moveNum);
4832 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4833 setbuf(debugFP, NULL);
4835 if (moveNum <= backwardMostMove) {
4836 /* We don't know what the board looked like before
4838 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4839 strcat(parseList[moveNum - 1], " ");
4840 strcat(parseList[moveNum - 1], elapsed_time);
4841 moveList[moveNum - 1][0] = NULLCHAR;
4842 } else if (strcmp(move_str, "none") == 0) {
4843 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4844 /* Again, we don't know what the board looked like;
4845 this is really the start of the game. */
4846 parseList[moveNum - 1][0] = NULLCHAR;
4847 moveList[moveNum - 1][0] = NULLCHAR;
4848 backwardMostMove = moveNum;
4849 startedFromSetupPosition = TRUE;
4850 fromX = fromY = toX = toY = -1;
4852 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4853 // So we parse the long-algebraic move string in stead of the SAN move
4854 int valid; char buf[MSG_SIZ], *prom;
4856 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4857 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4858 // str looks something like "Q/a1-a2"; kill the slash
4860 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4861 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4862 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4863 strcat(buf, prom); // long move lacks promo specification!
4864 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4865 if(appData.debugMode)
4866 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4867 safeStrCpy(move_str, buf, MSG_SIZ);
4869 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4870 &fromX, &fromY, &toX, &toY, &promoChar)
4871 || ParseOneMove(buf, moveNum - 1, &moveType,
4872 &fromX, &fromY, &toX, &toY, &promoChar);
4873 // end of long SAN patch
4875 (void) CoordsToAlgebraic(boards[moveNum - 1],
4876 PosFlags(moveNum - 1),
4877 fromY, fromX, toY, toX, promoChar,
4878 parseList[moveNum-1]);
4879 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4885 if(!IS_SHOGI(gameInfo.variant))
4886 strcat(parseList[moveNum - 1], "+");
4889 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4890 strcat(parseList[moveNum - 1], "#");
4893 strcat(parseList[moveNum - 1], " ");
4894 strcat(parseList[moveNum - 1], elapsed_time);
4895 /* currentMoveString is set as a side-effect of ParseOneMove */
4896 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4897 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4898 strcat(moveList[moveNum - 1], "\n");
4900 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4901 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4902 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4903 ChessSquare old, new = boards[moveNum][k][j];
4904 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4905 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4906 if(old == new) continue;
4907 if(old == PROMOTED(new)) boards[moveNum][k][j] = old;// prevent promoted pieces to revert to primordial ones
4908 else if(new == WhiteWazir || new == BlackWazir) {
4909 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4910 boards[moveNum][k][j] = PROMOTED(old); // choose correct type of Gold in promotion
4911 else boards[moveNum][k][j] = old; // preserve type of Gold
4912 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4913 boards[moveNum][k][j] = PROMOTED(new); // use non-primordial representation of chosen piece
4916 /* Move from ICS was illegal!? Punt. */
4917 if (appData.debugMode) {
4918 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4919 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4921 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4922 strcat(parseList[moveNum - 1], " ");
4923 strcat(parseList[moveNum - 1], elapsed_time);
4924 moveList[moveNum - 1][0] = NULLCHAR;
4925 fromX = fromY = toX = toY = -1;
4928 if (appData.debugMode) {
4929 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4930 setbuf(debugFP, NULL);
4934 /* Send move to chess program (BEFORE animating it). */
4935 if (appData.zippyPlay && !newGame && newMove &&
4936 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4938 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4939 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4940 if (moveList[moveNum - 1][0] == NULLCHAR) {
4941 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4943 DisplayError(str, 0);
4945 if (first.sendTime) {
4946 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4948 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4949 if (firstMove && !bookHit) {
4951 if (first.useColors) {
4952 SendToProgram(gameMode == IcsPlayingWhite ?
4954 "black\ngo\n", &first);
4956 SendToProgram("go\n", &first);
4958 first.maybeThinking = TRUE;
4961 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4962 if (moveList[moveNum - 1][0] == NULLCHAR) {
4963 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4964 DisplayError(str, 0);
4966 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4967 SendMoveToProgram(moveNum - 1, &first);
4974 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4975 /* If move comes from a remote source, animate it. If it
4976 isn't remote, it will have already been animated. */
4977 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4978 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4980 if (!pausing && appData.highlightLastMove) {
4981 SetHighlights(fromX, fromY, toX, toY);
4985 /* Start the clocks */
4986 whiteFlag = blackFlag = FALSE;
4987 appData.clockMode = !(basetime == 0 && increment == 0);
4989 ics_clock_paused = TRUE;
4991 } else if (ticking == 1) {
4992 ics_clock_paused = FALSE;
4994 if (gameMode == IcsIdle ||
4995 relation == RELATION_OBSERVING_STATIC ||
4996 relation == RELATION_EXAMINING ||
4998 DisplayBothClocks();
5002 /* Display opponents and material strengths */
5003 if (gameInfo.variant != VariantBughouse &&
5004 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
5005 if (tinyLayout || smallLayout) {
5006 if(gameInfo.variant == VariantNormal)
5007 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
5008 gameInfo.white, white_stren, gameInfo.black, black_stren,
5009 basetime, increment);
5011 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
5012 gameInfo.white, white_stren, gameInfo.black, black_stren,
5013 basetime, increment, (int) gameInfo.variant);
5015 if(gameInfo.variant == VariantNormal)
5016 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
5017 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5018 basetime, increment);
5020 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
5021 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5022 basetime, increment, VariantName(gameInfo.variant));
5025 if (appData.debugMode) {
5026 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
5031 /* Display the board */
5032 if (!pausing && !appData.noGUI) {
5034 if (appData.premove)
5036 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
5037 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
5038 ClearPremoveHighlights();
5040 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
5041 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
5042 DrawPosition(j, boards[currentMove]);
5044 DisplayMove(moveNum - 1);
5045 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
5046 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
5047 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
5048 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
5052 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5054 if(bookHit) { // [HGM] book: simulate book reply
5055 static char bookMove[MSG_SIZ]; // a bit generous?
5057 programStats.nodes = programStats.depth = programStats.time =
5058 programStats.score = programStats.got_only_move = 0;
5059 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5061 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
5062 strcat(bookMove, bookHit);
5063 HandleMachineMove(bookMove, &first);
5072 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
5073 ics_getting_history = H_REQUESTED;
5074 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
5080 SendToBoth (char *msg)
5081 { // to make it easy to keep two engines in step in dual analysis
5082 SendToProgram(msg, &first);
5083 if(second.analyzing) SendToProgram(msg, &second);
5087 AnalysisPeriodicEvent (int force)
5089 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5090 && !force) || !appData.periodicUpdates)
5093 /* Send . command to Crafty to collect stats */
5096 /* Don't send another until we get a response (this makes
5097 us stop sending to old Crafty's which don't understand
5098 the "." command (sending illegal cmds resets node count & time,
5099 which looks bad)) */
5100 programStats.ok_to_send = 0;
5104 ics_update_width (int new_width)
5106 ics_printf("set width %d\n", new_width);
5110 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5114 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5115 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5116 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5117 SendToProgram(buf, cps);
5120 // null move in variant where engine does not understand it (for analysis purposes)
5121 SendBoard(cps, moveNum + 1); // send position after move in stead.
5124 if (cps->useUsermove) {
5125 SendToProgram("usermove ", cps);
5129 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5130 int len = space - parseList[moveNum];
5131 memcpy(buf, parseList[moveNum], len);
5133 buf[len] = NULLCHAR;
5135 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5137 SendToProgram(buf, cps);
5139 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5140 AlphaRank(moveList[moveNum], 4);
5141 SendToProgram(moveList[moveNum], cps);
5142 AlphaRank(moveList[moveNum], 4); // and back
5144 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5145 * the engine. It would be nice to have a better way to identify castle
5147 if(appData.fischerCastling && cps->useOOCastle) {
5148 int fromX = moveList[moveNum][0] - AAA;
5149 int fromY = moveList[moveNum][1] - ONE;
5150 int toX = moveList[moveNum][2] - AAA;
5151 int toY = moveList[moveNum][3] - ONE;
5152 if((boards[moveNum][fromY][fromX] == WhiteKing
5153 && boards[moveNum][toY][toX] == WhiteRook)
5154 || (boards[moveNum][fromY][fromX] == BlackKing
5155 && boards[moveNum][toY][toX] == BlackRook)) {
5156 if(toX > fromX) SendToProgram("O-O\n", cps);
5157 else SendToProgram("O-O-O\n", cps);
5159 else SendToProgram(moveList[moveNum], cps);
5161 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5162 char *m = moveList[moveNum];
5164 *c = m[7]; // promoChar
5165 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
5166 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", m[0], m[1] - '0', // convert to two moves
5169 m[2] + (m[0] > m[5] ? 1 : -1), m[3] - '0');
5170 else if(*c && m[8]) { // kill square followed by 2 characters: 2nd kill square rather than promo suffix
5172 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
5177 m[2], m[3] - '0', c);
5179 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d%s\n", m[0], m[1] - '0', // convert to two moves
5182 m[2], m[3] - '0', c);
5183 SendToProgram(buf, cps);
5185 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5186 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5187 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5188 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5189 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5191 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5192 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5193 SendToProgram(buf, cps);
5195 else SendToProgram(moveList[moveNum], cps);
5196 /* End of additions by Tord */
5199 /* [HGM] setting up the opening has brought engine in force mode! */
5200 /* Send 'go' if we are in a mode where machine should play. */
5201 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5202 (gameMode == TwoMachinesPlay ||
5204 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5206 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5207 SendToProgram("go\n", cps);
5208 if (appData.debugMode) {
5209 fprintf(debugFP, "(extra)\n");
5212 setboardSpoiledMachineBlack = 0;
5216 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5218 char user_move[MSG_SIZ];
5221 if(gameInfo.variant == VariantSChess && promoChar) {
5222 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5223 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5224 } else suffix[0] = NULLCHAR;
5228 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5229 (int)moveType, fromX, fromY, toX, toY);
5230 DisplayError(user_move + strlen("say "), 0);
5232 case WhiteKingSideCastle:
5233 case BlackKingSideCastle:
5234 case WhiteQueenSideCastleWild:
5235 case BlackQueenSideCastleWild:
5237 case WhiteHSideCastleFR:
5238 case BlackHSideCastleFR:
5240 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5242 case WhiteQueenSideCastle:
5243 case BlackQueenSideCastle:
5244 case WhiteKingSideCastleWild:
5245 case BlackKingSideCastleWild:
5247 case WhiteASideCastleFR:
5248 case BlackASideCastleFR:
5250 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5252 case WhiteNonPromotion:
5253 case BlackNonPromotion:
5254 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5256 case WhitePromotion:
5257 case BlackPromotion:
5258 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5259 gameInfo.variant == VariantMakruk)
5260 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5261 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5262 PieceToChar(WhiteFerz));
5263 else if(gameInfo.variant == VariantGreat)
5264 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5265 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5266 PieceToChar(WhiteMan));
5268 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5269 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5275 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5276 ToUpper(PieceToChar((ChessSquare) fromX)),
5277 AAA + toX, ONE + toY);
5279 case IllegalMove: /* could be a variant we don't quite understand */
5280 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5282 case WhiteCapturesEnPassant:
5283 case BlackCapturesEnPassant:
5284 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5285 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5288 SendToICS(user_move);
5289 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5290 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5295 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5296 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5297 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5298 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5299 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5302 if(gameMode != IcsExamining) { // is this ever not the case?
5303 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5305 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5306 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5307 } else { // on FICS we must first go to general examine mode
5308 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5310 if(gameInfo.variant != VariantNormal) {
5311 // try figure out wild number, as xboard names are not always valid on ICS
5312 for(i=1; i<=36; i++) {
5313 snprintf(buf, MSG_SIZ, "wild/%d", i);
5314 if(StringToVariant(buf) == gameInfo.variant) break;
5316 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5317 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5318 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5319 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5320 SendToICS(ics_prefix);
5322 if(startedFromSetupPosition || backwardMostMove != 0) {
5323 fen = PositionToFEN(backwardMostMove, NULL, 1);
5324 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5325 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5327 } else { // FICS: everything has to set by separate bsetup commands
5328 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5329 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5331 if(!WhiteOnMove(backwardMostMove)) {
5332 SendToICS("bsetup tomove black\n");
5334 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5335 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5337 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5338 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5340 i = boards[backwardMostMove][EP_STATUS];
5341 if(i >= 0) { // set e.p.
5342 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5348 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5349 SendToICS("bsetup done\n"); // switch to normal examining.
5351 for(i = backwardMostMove; i<last; i++) {
5353 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5354 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5355 int len = strlen(moveList[i]);
5356 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5357 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5361 SendToICS(ics_prefix);
5362 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5365 int killX = -1, killY = -1, kill2X = -1, kill2Y = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5369 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[9])
5371 if (rf == DROP_RANK) {
5372 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5373 sprintf(move, "%c@%c%c\n",
5374 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5376 if (promoChar == 'x' || promoChar == NULLCHAR) {
5377 sprintf(move, "%c%c%c%c\n",
5378 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5379 if(killX >= 0 && killY >= 0) {
5380 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5381 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c\n", AAA + kill2X, ONE + kill2Y);
5384 sprintf(move, "%c%c%c%c%c\n",
5385 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5386 if(killX >= 0 && killY >= 0) {
5387 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5388 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c%c\n", AAA + kill2X, ONE + kill2Y, promoChar);
5395 ProcessICSInitScript (FILE *f)
5399 while (fgets(buf, MSG_SIZ, f)) {
5400 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5407 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5409 static ClickType lastClickType;
5412 PieceInString (char *s, ChessSquare piece)
5414 char *p, ID = ToUpper(PieceToChar(piece)), suffix = PieceSuffix(piece);
5415 while((p = strchr(s, ID))) {
5416 if(!suffix || p[1] == suffix) return TRUE;
5423 Partner (ChessSquare *p)
5424 { // change piece into promotion partner if one shogi-promotes to the other
5425 ChessSquare partner = promoPartner[*p];
5426 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5427 if(PieceToChar(*p) == '+') partner = boards[currentMove][fromY][fromX];
5435 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5436 static int toggleFlag;
5437 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5438 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5439 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5440 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5441 if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
5442 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5444 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5445 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5446 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5447 else if(promoSweep == BlackPawn && step < 0 && !toggleFlag) promoSweep = WhitePawn;
5448 else if(promoSweep == WhiteKing && step > 0 && !toggleFlag) promoSweep = BlackKing;
5449 if(!step) step = -1;
5450 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' ||
5451 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5452 promoRestrict[0] ? !PieceInString(promoRestrict, promoSweep) : // if choice set available, use it
5453 promoSweep == pawn ||
5454 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5455 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5457 int victim = boards[currentMove][toY][toX];
5458 boards[currentMove][toY][toX] = promoSweep;
5459 DrawPosition(FALSE, boards[currentMove]);
5460 boards[currentMove][toY][toX] = victim;
5462 ChangeDragPiece(promoSweep);
5466 PromoScroll (int x, int y)
5470 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5471 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5472 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5473 if(!step) return FALSE;
5474 lastX = x; lastY = y;
5475 if((promoSweep < BlackPawn) == flipView) step = -step;
5476 if(step > 0) selectFlag = 1;
5477 if(!selectFlag) Sweep(step);
5482 NextPiece (int step)
5484 ChessSquare piece = boards[currentMove][toY][toX];
5487 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5488 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5489 if(!step) step = -1;
5490 } while(PieceToChar(pieceSweep) == '.');
5491 boards[currentMove][toY][toX] = pieceSweep;
5492 DrawPosition(FALSE, boards[currentMove]);
5493 boards[currentMove][toY][toX] = piece;
5495 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5497 AlphaRank (char *move, int n)
5499 // char *p = move, c; int x, y;
5501 if (appData.debugMode) {
5502 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5506 move[2]>='0' && move[2]<='9' &&
5507 move[3]>='a' && move[3]<='x' ) {
5509 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5510 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5512 if(move[0]>='0' && move[0]<='9' &&
5513 move[1]>='a' && move[1]<='x' &&
5514 move[2]>='0' && move[2]<='9' &&
5515 move[3]>='a' && move[3]<='x' ) {
5516 /* input move, Shogi -> normal */
5517 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5518 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5519 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5520 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5523 move[3]>='0' && move[3]<='9' &&
5524 move[2]>='a' && move[2]<='x' ) {
5526 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5527 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5530 move[0]>='a' && move[0]<='x' &&
5531 move[3]>='0' && move[3]<='9' &&
5532 move[2]>='a' && move[2]<='x' ) {
5533 /* output move, normal -> Shogi */
5534 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5535 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5536 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5537 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5538 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5540 if (appData.debugMode) {
5541 fprintf(debugFP, " out = '%s'\n", move);
5545 char yy_textstr[8000];
5547 /* Parser for moves from gnuchess, ICS, or user typein box */
5549 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5551 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5553 switch (*moveType) {
5554 case WhitePromotion:
5555 case BlackPromotion:
5556 case WhiteNonPromotion:
5557 case BlackNonPromotion:
5560 case WhiteCapturesEnPassant:
5561 case BlackCapturesEnPassant:
5562 case WhiteKingSideCastle:
5563 case WhiteQueenSideCastle:
5564 case BlackKingSideCastle:
5565 case BlackQueenSideCastle:
5566 case WhiteKingSideCastleWild:
5567 case WhiteQueenSideCastleWild:
5568 case BlackKingSideCastleWild:
5569 case BlackQueenSideCastleWild:
5570 /* Code added by Tord: */
5571 case WhiteHSideCastleFR:
5572 case WhiteASideCastleFR:
5573 case BlackHSideCastleFR:
5574 case BlackASideCastleFR:
5575 /* End of code added by Tord */
5576 case IllegalMove: /* bug or odd chess variant */
5577 if(currentMoveString[1] == '@') { // illegal drop
5578 *fromX = WhiteOnMove(moveNum) ?
5579 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5580 (int) CharToPiece(ToLower(currentMoveString[0]));
5583 *fromX = currentMoveString[0] - AAA;
5584 *fromY = currentMoveString[1] - ONE;
5585 *toX = currentMoveString[2] - AAA;
5586 *toY = currentMoveString[3] - ONE;
5587 *promoChar = currentMoveString[4];
5588 if(*promoChar == ';') *promoChar = currentMoveString[7 + 2*(currentMoveString[8] != 0)];
5589 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5590 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5591 if (appData.debugMode) {
5592 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5594 *fromX = *fromY = *toX = *toY = 0;
5597 if (appData.testLegality) {
5598 return (*moveType != IllegalMove);
5600 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5601 // [HGM] lion: if this is a double move we are less critical
5602 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5607 *fromX = *moveType == WhiteDrop ?
5608 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5609 (int) CharToPiece(ToLower(currentMoveString[0]));
5612 *toX = currentMoveString[2] - AAA;
5613 *toY = currentMoveString[3] - ONE;
5614 *promoChar = NULLCHAR;
5618 case ImpossibleMove:
5628 if (appData.debugMode) {
5629 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5632 *fromX = *fromY = *toX = *toY = 0;
5633 *promoChar = NULLCHAR;
5638 Boolean pushed = FALSE;
5639 char *lastParseAttempt;
5642 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5643 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5644 int fromX, fromY, toX, toY; char promoChar;
5649 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5650 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5651 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5654 endPV = forwardMostMove;
5656 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5657 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5658 lastParseAttempt = pv;
5659 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5660 if(!valid && nr == 0 &&
5661 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5662 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5663 // Hande case where played move is different from leading PV move
5664 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5665 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5666 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5667 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5668 endPV += 2; // if position different, keep this
5669 moveList[endPV-1][0] = fromX + AAA;
5670 moveList[endPV-1][1] = fromY + ONE;
5671 moveList[endPV-1][2] = toX + AAA;
5672 moveList[endPV-1][3] = toY + ONE;
5673 parseList[endPV-1][0] = NULLCHAR;
5674 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5677 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5678 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5679 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5680 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5681 valid++; // allow comments in PV
5685 if(endPV+1 > framePtr) break; // no space, truncate
5688 CopyBoard(boards[endPV], boards[endPV-1]);
5689 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5690 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5691 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5692 CoordsToAlgebraic(boards[endPV - 1],
5693 PosFlags(endPV - 1),
5694 fromY, fromX, toY, toX, promoChar,
5695 parseList[endPV - 1]);
5697 if(atEnd == 2) return; // used hidden, for PV conversion
5698 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5699 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5700 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5701 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5702 DrawPosition(TRUE, boards[currentMove]);
5706 MultiPV (ChessProgramState *cps, int kind)
5707 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5709 for(i=0; i<cps->nrOptions; i++) {
5710 char *s = cps->option[i].name;
5711 if((kind & 1) && !StrCaseCmp(s, "MultiPV") && cps->option[i].type == Spin) return i;
5712 if((kind & 2) && StrCaseStr(s, "multi") && StrCaseStr(s, "PV")
5713 && StrCaseStr(s, "margin") && cps->option[i].type == Spin) return -i-2;
5718 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5719 static int multi, pv_margin;
5720 static ChessProgramState *activeCps;
5723 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5725 int startPV, lineStart, origIndex = index;
5726 char *p, buf2[MSG_SIZ];
5727 ChessProgramState *cps = (pane ? &second : &first);
5729 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5730 lastX = x; lastY = y;
5731 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5732 lineStart = startPV = index;
5733 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5734 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5736 do{ while(buf[index] && buf[index] != '\n') index++;
5737 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5739 if(lineStart == 0 && gameMode == AnalyzeMode) {
5741 if(origIndex > 17 && origIndex < 24) n--; else if(origIndex > index - 6) n++;
5742 if(n == 0) { // click not on "fewer" or "more"
5743 if((multi = -2 - MultiPV(cps, 2)) >= 0) {
5744 pv_margin = cps->option[multi].value;
5745 activeCps = cps; // non-null signals margin adjustment
5747 } else if((multi = MultiPV(cps, 1)) >= 0) {
5748 n += cps->option[multi].value; if(n < 1) n = 1;
5749 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5750 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5751 cps->option[multi].value = n;
5755 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5756 ExcludeClick(origIndex - lineStart);
5758 } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
5759 Collapse(origIndex - lineStart);
5762 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5763 *start = startPV; *end = index-1;
5764 extendGame = (gameMode == AnalyzeMode && appData.autoExtend && origIndex - startPV < 5);
5771 static char buf[10*MSG_SIZ];
5772 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5774 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5775 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5776 for(i = forwardMostMove; i<endPV; i++){
5777 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5778 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5781 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5782 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5783 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5789 LoadPV (int x, int y)
5790 { // called on right mouse click to load PV
5791 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5792 lastX = x; lastY = y;
5793 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5801 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5803 if(pv_margin != activeCps->option[multi].value) {
5805 snprintf(buf, MSG_SIZ, "option %s=%d\n", "Multi-PV Margin", pv_margin);
5806 SendToProgram(buf, activeCps);
5807 activeCps->option[multi].value = pv_margin;
5812 if(endPV < 0) return;
5813 if(appData.autoCopyPV) CopyFENToClipboard();
5815 if(extendGame && currentMove > forwardMostMove) {
5816 Boolean saveAnimate = appData.animate;
5818 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5819 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5820 } else storedGames--; // abandon shelved tail of original game
5823 forwardMostMove = currentMove;
5824 currentMove = oldFMM;
5825 appData.animate = FALSE;
5826 ToNrEvent(forwardMostMove);
5827 appData.animate = saveAnimate;
5829 currentMove = forwardMostMove;
5830 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5831 ClearPremoveHighlights();
5832 DrawPosition(TRUE, boards[currentMove]);
5836 MovePV (int x, int y, int h)
5837 { // step through PV based on mouse coordinates (called on mouse move)
5838 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5840 if(activeCps) { // adjusting engine's multi-pv margin
5841 if(x > lastX) pv_margin++; else
5842 if(x < lastX) pv_margin -= (pv_margin > 0);
5845 snprintf(buf, MSG_SIZ, "margin = %d", pv_margin);
5846 DisplayMessage(buf, "");
5851 // we must somehow check if right button is still down (might be released off board!)
5852 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5853 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5854 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5856 lastX = x; lastY = y;
5858 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5859 if(endPV < 0) return;
5860 if(y < margin) step = 1; else
5861 if(y > h - margin) step = -1;
5862 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5863 currentMove += step;
5864 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5865 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5866 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5867 DrawPosition(FALSE, boards[currentMove]);
5871 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5872 // All positions will have equal probability, but the current method will not provide a unique
5873 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5879 int piecesLeft[(int)BlackPawn];
5880 int seed, nrOfShuffles;
5883 GetPositionNumber ()
5884 { // sets global variable seed
5887 seed = appData.defaultFrcPosition;
5888 if(seed < 0) { // randomize based on time for negative FRC position numbers
5889 for(i=0; i<50; i++) seed += random();
5890 seed = random() ^ random() >> 8 ^ random() << 8;
5891 if(seed<0) seed = -seed;
5896 put (Board board, int pieceType, int rank, int n, int shade)
5897 // put the piece on the (n-1)-th empty squares of the given shade
5901 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5902 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5903 board[rank][i] = (ChessSquare) pieceType;
5904 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5906 piecesLeft[pieceType]--;
5915 AddOnePiece (Board board, int pieceType, int rank, int shade)
5916 // calculate where the next piece goes, (any empty square), and put it there
5920 i = seed % squaresLeft[shade];
5921 nrOfShuffles *= squaresLeft[shade];
5922 seed /= squaresLeft[shade];
5923 put(board, pieceType, rank, i, shade);
5927 AddTwoPieces (Board board, int pieceType, int rank)
5928 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5930 int i, n=squaresLeft[ANY], j=n-1, k;
5932 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5933 i = seed % k; // pick one
5936 while(i >= j) i -= j--;
5937 j = n - 1 - j; i += j;
5938 put(board, pieceType, rank, j, ANY);
5939 put(board, pieceType, rank, i, ANY);
5943 SetUpShuffle (Board board, int number)
5947 GetPositionNumber(); nrOfShuffles = 1;
5949 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5950 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5951 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5953 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5955 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5956 p = (int) board[0][i];
5957 if(p < (int) BlackPawn) piecesLeft[p] ++;
5958 board[0][i] = EmptySquare;
5961 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5962 // shuffles restricted to allow normal castling put KRR first
5963 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5964 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5965 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5966 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5967 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5968 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5969 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5970 put(board, WhiteRook, 0, 0, ANY);
5971 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5974 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5975 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5976 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5977 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5978 while(piecesLeft[p] >= 2) {
5979 AddOnePiece(board, p, 0, LITE);
5980 AddOnePiece(board, p, 0, DARK);
5982 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5985 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5986 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5987 // but we leave King and Rooks for last, to possibly obey FRC restriction
5988 if(p == (int)WhiteRook) continue;
5989 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5990 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5993 // now everything is placed, except perhaps King (Unicorn) and Rooks
5995 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5996 // Last King gets castling rights
5997 while(piecesLeft[(int)WhiteUnicorn]) {
5998 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5999 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
6002 while(piecesLeft[(int)WhiteKing]) {
6003 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
6004 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
6009 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
6010 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
6013 // Only Rooks can be left; simply place them all
6014 while(piecesLeft[(int)WhiteRook]) {
6015 i = put(board, WhiteRook, 0, 0, ANY);
6016 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
6019 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
6021 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
6024 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
6025 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
6028 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
6032 ptclen (const char *s, char *escapes)
6035 if(!*escapes) return strlen(s);
6036 while(*s) n += (*s != '/' && *s != '-' && *s != '^' && *s != '*' && !strchr(escapes, *s)) - 2*(*s == '='), s++;
6041 SetCharTableEsc (unsigned char *table, const char * map, char * escapes)
6042 /* [HGM] moved here from winboard.c because of its general usefulness */
6043 /* Basically a safe strcpy that uses the last character as King */
6045 int result = FALSE; int NrPieces;
6046 unsigned char partner[EmptySquare];
6048 if( map != NULL && (NrPieces=ptclen(map, escapes)) <= (int) EmptySquare
6049 && NrPieces >= 12 && !(NrPieces&1)) {
6050 int i, ii, offs, j = 0; /* [HGM] Accept even length from 12 to 88 */
6052 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
6053 for( i=offs=0; i<NrPieces/2-1; i++ ) {
6055 if(map[j] == '/') offs = WhitePBishop - i, j++;
6056 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6057 table[i+offs] = map[j++];
6058 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6059 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6060 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6062 table[(int) WhiteKing] = map[j++];
6063 for( ii=offs=0; ii<NrPieces/2-1; ii++ ) {
6065 if(map[j] == '/') offs = WhitePBishop - ii, j++;
6066 i = WHITE_TO_BLACK ii;
6067 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6068 table[i+offs] = map[j++];
6069 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6070 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6071 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6073 table[(int) BlackKing] = map[j++];
6076 if(*escapes) { // set up promotion pairing
6077 for( i=0; i<(int) EmptySquare; i++ ) promoPartner[i] = (i%BlackPawn < 11 ? i + 11 : i%BlackPawn < 22 ? i - 11 : i); // default
6078 // pieceToChar entirely filled, so we can look up specified partners
6079 for(i=0; i<EmptySquare; i++) { // adjust promotion pairing
6081 if(c == '^' || c == '-') { // has specified partner
6083 for(p=0; p<EmptySquare; p++) if(table[p] == partner[i]) break;
6084 if(c == '^') table[i] = '+';
6085 if(p < EmptySquare) {
6086 if(promoPartner[promoPartner[p]] == p) promoPartner[promoPartner[p]] = promoPartner[p]; // divorce old partners
6087 if(promoPartner[promoPartner[i]] == i) promoPartner[promoPartner[i]] = promoPartner[i];
6088 promoPartner[p] = i, promoPartner[i] = p; // and marry this couple
6090 } else if(c == '*') {
6091 table[i] = partner[i];
6092 promoPartner[i] = (i < BlackPawn ? WhiteTokin : BlackTokin); // promotes to Tokin
6104 SetCharTable (unsigned char *table, const char * map)
6106 return SetCharTableEsc(table, map, "");
6110 Prelude (Board board)
6111 { // [HGM] superchess: random selection of exo-pieces
6112 int i, j, k; ChessSquare p;
6113 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
6115 GetPositionNumber(); // use FRC position number
6117 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
6118 SetCharTable(pieceToChar, appData.pieceToCharTable);
6119 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
6120 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
6123 j = seed%4; seed /= 4;
6124 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6125 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6126 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6127 j = seed%3 + (seed%3 >= j); seed /= 3;
6128 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6129 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6130 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6131 j = seed%3; seed /= 3;
6132 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6133 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6134 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6135 j = seed%2 + (seed%2 >= j); seed /= 2;
6136 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6137 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6138 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6139 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
6140 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
6141 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
6142 put(board, exoPieces[0], 0, 0, ANY);
6143 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
6147 InitPosition (int redraw)
6149 ChessSquare (* pieces)[BOARD_FILES];
6150 int i, j, pawnRow=1, pieceRows=1, overrule,
6151 oldx = gameInfo.boardWidth,
6152 oldy = gameInfo.boardHeight,
6153 oldh = gameInfo.holdingsWidth;
6156 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
6158 /* [AS] Initialize pv info list [HGM] and game status */
6160 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6161 pvInfoList[i].depth = 0;
6162 boards[i][EP_STATUS] = EP_NONE;
6163 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6166 initialRulePlies = 0; /* 50-move counter start */
6168 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6169 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6173 /* [HGM] logic here is completely changed. In stead of full positions */
6174 /* the initialized data only consist of the two backranks. The switch */
6175 /* selects which one we will use, which is than copied to the Board */
6176 /* initialPosition, which for the rest is initialized by Pawns and */
6177 /* empty squares. This initial position is then copied to boards[0], */
6178 /* possibly after shuffling, so that it remains available. */
6180 gameInfo.holdingsWidth = 0; /* default board sizes */
6181 gameInfo.boardWidth = 8;
6182 gameInfo.boardHeight = 8;
6183 gameInfo.holdingsSize = 0;
6184 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6185 for(i=0; i<BOARD_FILES-6; i++)
6186 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6187 initialPosition[EP_STATUS] = EP_NONE;
6188 initialPosition[TOUCHED_W] = initialPosition[TOUCHED_B] = 0;
6189 SetCharTableEsc(pieceToChar, "PNBRQ...........Kpnbrq...........k", SUFFIXES);
6190 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6191 SetCharTable(pieceNickName, appData.pieceNickNames);
6192 else SetCharTable(pieceNickName, "............");
6195 switch (gameInfo.variant) {
6196 case VariantFischeRandom:
6197 shuffleOpenings = TRUE;
6198 appData.fischerCastling = TRUE;
6201 case VariantShatranj:
6202 pieces = ShatranjArray;
6203 nrCastlingRights = 0;
6204 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6207 pieces = makrukArray;
6208 nrCastlingRights = 0;
6209 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6212 pieces = aseanArray;
6213 nrCastlingRights = 0;
6214 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6216 case VariantTwoKings:
6217 pieces = twoKingsArray;
6220 pieces = GrandArray;
6221 nrCastlingRights = 0;
6222 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6223 gameInfo.boardWidth = 10;
6224 gameInfo.boardHeight = 10;
6225 gameInfo.holdingsSize = 7;
6227 case VariantCapaRandom:
6228 shuffleOpenings = TRUE;
6229 appData.fischerCastling = TRUE;
6230 case VariantCapablanca:
6231 pieces = CapablancaArray;
6232 gameInfo.boardWidth = 10;
6233 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6236 pieces = GothicArray;
6237 gameInfo.boardWidth = 10;
6238 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6241 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6242 gameInfo.holdingsSize = 7;
6243 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6246 pieces = JanusArray;
6247 gameInfo.boardWidth = 10;
6248 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6249 nrCastlingRights = 6;
6250 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6251 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6252 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6253 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6254 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6255 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6258 pieces = FalconArray;
6259 gameInfo.boardWidth = 10;
6260 SetCharTable(pieceToChar, "PNBRQ............FKpnbrq............fk");
6262 case VariantXiangqi:
6263 pieces = XiangqiArray;
6264 gameInfo.boardWidth = 9;
6265 gameInfo.boardHeight = 10;
6266 nrCastlingRights = 0;
6267 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6270 pieces = ShogiArray;
6271 gameInfo.boardWidth = 9;
6272 gameInfo.boardHeight = 9;
6273 gameInfo.holdingsSize = 7;
6274 nrCastlingRights = 0;
6275 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6278 pieces = ChuArray; pieceRows = 3;
6279 gameInfo.boardWidth = 12;
6280 gameInfo.boardHeight = 12;
6281 nrCastlingRights = 0;
6282 SetCharTableEsc(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN.........^T..^L......^A^H/^F^G^M.^E^X^O^I.^P.^B^R..^D^S^C^VK"
6283 "p.brqsexogcathd.vmlifn.........^t..^l......^a^h/^f^g^m.^e^x^o^i.^p.^b^r..^d^s^c^vk", SUFFIXES);
6285 case VariantCourier:
6286 pieces = CourierArray;
6287 gameInfo.boardWidth = 12;
6288 nrCastlingRights = 0;
6289 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6291 case VariantKnightmate:
6292 pieces = KnightmateArray;
6293 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6295 case VariantSpartan:
6296 pieces = SpartanArray;
6297 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6301 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6303 case VariantChuChess:
6304 pieces = ChuChessArray;
6305 gameInfo.boardWidth = 10;
6306 gameInfo.boardHeight = 10;
6307 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6310 pieces = fairyArray;
6311 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6314 pieces = GreatArray;
6315 gameInfo.boardWidth = 10;
6316 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6317 gameInfo.holdingsSize = 8;
6321 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6322 gameInfo.holdingsSize = 8;
6323 startedFromSetupPosition = TRUE;
6325 case VariantCrazyhouse:
6326 case VariantBughouse:
6328 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6329 gameInfo.holdingsSize = 5;
6331 case VariantWildCastle:
6333 /* !!?shuffle with kings guaranteed to be on d or e file */
6334 shuffleOpenings = 1;
6336 case VariantNoCastle:
6338 nrCastlingRights = 0;
6339 /* !!?unconstrained back-rank shuffle */
6340 shuffleOpenings = 1;
6345 if(appData.NrFiles >= 0) {
6346 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6347 gameInfo.boardWidth = appData.NrFiles;
6349 if(appData.NrRanks >= 0) {
6350 gameInfo.boardHeight = appData.NrRanks;
6352 if(appData.holdingsSize >= 0) {
6353 i = appData.holdingsSize;
6354 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6355 gameInfo.holdingsSize = i;
6357 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6358 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6359 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6361 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6362 if(pawnRow < 1) pawnRow = 1;
6363 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6364 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6365 if(gameInfo.variant == VariantChu) pawnRow = 3;
6367 /* User pieceToChar list overrules defaults */
6368 if(appData.pieceToCharTable != NULL)
6369 SetCharTableEsc(pieceToChar, appData.pieceToCharTable, SUFFIXES);
6371 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6373 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6374 s = (ChessSquare) 0; /* account holding counts in guard band */
6375 for( i=0; i<BOARD_HEIGHT; i++ )
6376 initialPosition[i][j] = s;
6378 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6379 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6380 initialPosition[pawnRow][j] = WhitePawn;
6381 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6382 if(gameInfo.variant == VariantXiangqi) {
6384 initialPosition[pawnRow][j] =
6385 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6386 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6387 initialPosition[2][j] = WhiteCannon;
6388 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6392 if(gameInfo.variant == VariantChu) {
6393 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6394 initialPosition[pawnRow+1][j] = WhiteCobra,
6395 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6396 for(i=1; i<pieceRows; i++) {
6397 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6398 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6401 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6402 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6403 initialPosition[0][j] = WhiteRook;
6404 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6407 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6409 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6410 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6413 initialPosition[1][j] = WhiteBishop;
6414 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6416 initialPosition[1][j] = WhiteRook;
6417 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6420 if( nrCastlingRights == -1) {
6421 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6422 /* This sets default castling rights from none to normal corners */
6423 /* Variants with other castling rights must set them themselves above */
6424 nrCastlingRights = 6;
6426 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6427 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6428 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6429 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6430 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6431 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6434 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6435 if(gameInfo.variant == VariantGreat) { // promotion commoners
6436 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6437 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6438 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6439 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6441 if( gameInfo.variant == VariantSChess ) {
6442 initialPosition[1][0] = BlackMarshall;
6443 initialPosition[2][0] = BlackAngel;
6444 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6445 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6446 initialPosition[1][1] = initialPosition[2][1] =
6447 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6449 if (appData.debugMode) {
6450 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6452 if(shuffleOpenings) {
6453 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6454 startedFromSetupPosition = TRUE;
6456 if(startedFromPositionFile) {
6457 /* [HGM] loadPos: use PositionFile for every new game */
6458 CopyBoard(initialPosition, filePosition);
6459 for(i=0; i<nrCastlingRights; i++)
6460 initialRights[i] = filePosition[CASTLING][i];
6461 startedFromSetupPosition = TRUE;
6463 if(*appData.men) LoadPieceDesc(appData.men);
6465 CopyBoard(boards[0], initialPosition);
6467 if(oldx != gameInfo.boardWidth ||
6468 oldy != gameInfo.boardHeight ||
6469 oldv != gameInfo.variant ||
6470 oldh != gameInfo.holdingsWidth
6472 InitDrawingSizes(-2 ,0);
6474 oldv = gameInfo.variant;
6476 DrawPosition(TRUE, boards[currentMove]);
6480 SendBoard (ChessProgramState *cps, int moveNum)
6482 char message[MSG_SIZ];
6484 if (cps->useSetboard) {
6485 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6486 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6487 SendToProgram(message, cps);
6492 int i, j, left=0, right=BOARD_WIDTH;
6493 /* Kludge to set black to move, avoiding the troublesome and now
6494 * deprecated "black" command.
6496 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6497 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6499 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6501 SendToProgram("edit\n", cps);
6502 SendToProgram("#\n", cps);
6503 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6504 bp = &boards[moveNum][i][left];
6505 for (j = left; j < right; j++, bp++) {
6506 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6507 if ((int) *bp < (int) BlackPawn) {
6508 if(j == BOARD_RGHT+1)
6509 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6510 else snprintf(message, MSG_SIZ, "%c%c%d\n", PieceToChar(*bp), AAA + j, ONE + i - '0');
6511 if(message[0] == '+' || message[0] == '~') {
6512 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6513 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6514 AAA + j, ONE + i - '0');
6516 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6517 message[1] = BOARD_RGHT - 1 - j + '1';
6518 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6520 SendToProgram(message, cps);
6525 SendToProgram("c\n", cps);
6526 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6527 bp = &boards[moveNum][i][left];
6528 for (j = left; j < right; j++, bp++) {
6529 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6530 if (((int) *bp != (int) EmptySquare)
6531 && ((int) *bp >= (int) BlackPawn)) {
6532 if(j == BOARD_LEFT-2)
6533 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6534 else snprintf(message,MSG_SIZ, "%c%c%d\n", ToUpper(PieceToChar(*bp)),
6535 AAA + j, ONE + i - '0');
6536 if(message[0] == '+' || message[0] == '~') {
6537 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6538 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6539 AAA + j, ONE + i - '0');
6541 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6542 message[1] = BOARD_RGHT - 1 - j + '1';
6543 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6545 SendToProgram(message, cps);
6550 SendToProgram(".\n", cps);
6552 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6555 char exclusionHeader[MSG_SIZ];
6556 int exCnt, excludePtr;
6557 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6558 static Exclusion excluTab[200];
6559 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6565 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6566 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6572 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6573 excludePtr = 24; exCnt = 0;
6578 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6579 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6580 char buf[2*MOVE_LEN], *p;
6581 Exclusion *e = excluTab;
6583 for(i=0; i<exCnt; i++)
6584 if(e[i].ff == fromX && e[i].fr == fromY &&
6585 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6586 if(i == exCnt) { // was not in exclude list; add it
6587 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6588 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6589 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6592 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6593 excludePtr++; e[i].mark = excludePtr++;
6594 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6597 exclusionHeader[e[i].mark] = state;
6601 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6602 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6606 if((signed char)promoChar == -1) { // kludge to indicate best move
6607 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6608 return 1; // if unparsable, abort
6610 // update exclusion map (resolving toggle by consulting existing state)
6611 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6613 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6614 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6615 excludeMap[k] |= 1<<j;
6616 else excludeMap[k] &= ~(1<<j);
6618 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6620 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6621 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6623 return (state == '+');
6627 ExcludeClick (int index)
6630 Exclusion *e = excluTab;
6631 if(index < 25) { // none, best or tail clicked
6632 if(index < 13) { // none: include all
6633 WriteMap(0); // clear map
6634 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6635 SendToBoth("include all\n"); // and inform engine
6636 } else if(index > 18) { // tail
6637 if(exclusionHeader[19] == '-') { // tail was excluded
6638 SendToBoth("include all\n");
6639 WriteMap(0); // clear map completely
6640 // now re-exclude selected moves
6641 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6642 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6643 } else { // tail was included or in mixed state
6644 SendToBoth("exclude all\n");
6645 WriteMap(0xFF); // fill map completely
6646 // now re-include selected moves
6647 j = 0; // count them
6648 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6649 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6650 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6653 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6656 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6657 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6658 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6665 DefaultPromoChoice (int white)
6668 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6669 gameInfo.variant == VariantMakruk)
6670 result = WhiteFerz; // no choice
6671 else if(gameInfo.variant == VariantASEAN)
6672 result = WhiteRook; // no choice
6673 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6674 result= WhiteKing; // in Suicide Q is the last thing we want
6675 else if(gameInfo.variant == VariantSpartan)
6676 result = white ? WhiteQueen : WhiteAngel;
6677 else result = WhiteQueen;
6678 if(!white) result = WHITE_TO_BLACK result;
6682 static int autoQueen; // [HGM] oneclick
6685 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6687 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6688 /* [HGM] add Shogi promotions */
6689 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6690 ChessSquare piece, partner;
6694 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6695 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6697 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6698 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6701 piece = boards[currentMove][fromY][fromX];
6702 if(gameInfo.variant == VariantChu) {
6703 promotionZoneSize = BOARD_HEIGHT/3;
6704 highestPromotingPiece = (PieceToChar(piece) == '+' || PieceToChar(CHUPROMOTED(piece)) != '+') ? WhitePawn : WhiteKing;
6705 } else if(gameInfo.variant == VariantShogi) {
6706 promotionZoneSize = BOARD_HEIGHT/3 +(BOARD_HEIGHT == 8);
6707 highestPromotingPiece = (int)WhiteAlfil;
6708 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6709 promotionZoneSize = 3;
6712 // Treat Lance as Pawn when it is not representing Amazon or Lance
6713 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6714 if(piece == WhiteLance) piece = WhitePawn; else
6715 if(piece == BlackLance) piece = BlackPawn;
6718 // next weed out all moves that do not touch the promotion zone at all
6719 if((int)piece >= BlackPawn) {
6720 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6722 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6723 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6725 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6726 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6727 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6731 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6733 // weed out mandatory Shogi promotions
6734 if(gameInfo.variant == VariantShogi) {
6735 if(piece >= BlackPawn) {
6736 if(toY == 0 && piece == BlackPawn ||
6737 toY == 0 && piece == BlackQueen ||
6738 toY <= 1 && piece == BlackKnight) {
6743 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6744 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6745 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6752 // weed out obviously illegal Pawn moves
6753 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6754 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6755 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6756 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6757 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6758 // note we are not allowed to test for valid (non-)capture, due to premove
6761 // we either have a choice what to promote to, or (in Shogi) whether to promote
6762 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6763 gameInfo.variant == VariantMakruk) {
6764 ChessSquare p=BlackFerz; // no choice
6765 while(p < EmptySquare) { //but make sure we use piece that exists
6766 *promoChoice = PieceToChar(p++);
6767 if(*promoChoice != '.') break;
6769 if(!*engineVariant) return FALSE; // if used as parent variant there might be promotion choice
6771 // no sense asking what we must promote to if it is going to explode...
6772 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6773 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6776 // give caller the default choice even if we will not make it
6777 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6778 partner = piece; // pieces can promote if the pieceToCharTable says so
6779 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6780 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6781 if( sweepSelect && gameInfo.variant != VariantGreat
6782 && gameInfo.variant != VariantGrand
6783 && gameInfo.variant != VariantSuper) return FALSE;
6784 if(autoQueen) return FALSE; // predetermined
6786 // suppress promotion popup on illegal moves that are not premoves
6787 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6788 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6789 if(appData.testLegality && !premove) {
6790 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6791 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6792 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6793 if(moveType != WhitePromotion && moveType != BlackPromotion)
6801 InPalace (int row, int column)
6802 { /* [HGM] for Xiangqi */
6803 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6804 column < (BOARD_WIDTH + 4)/2 &&
6805 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6810 PieceForSquare (int x, int y)
6812 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6815 return boards[currentMove][y][x];
6819 OKToStartUserMove (int x, int y)
6821 ChessSquare from_piece;
6824 if (matchMode) return FALSE;
6825 if (gameMode == EditPosition) return TRUE;
6827 if (x >= 0 && y >= 0)
6828 from_piece = boards[currentMove][y][x];
6830 from_piece = EmptySquare;
6832 if (from_piece == EmptySquare) return FALSE;
6834 white_piece = (int)from_piece >= (int)WhitePawn &&
6835 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6839 case TwoMachinesPlay:
6847 case MachinePlaysWhite:
6848 case IcsPlayingBlack:
6849 if (appData.zippyPlay) return FALSE;
6851 DisplayMoveError(_("You are playing Black"));
6856 case MachinePlaysBlack:
6857 case IcsPlayingWhite:
6858 if (appData.zippyPlay) return FALSE;
6860 DisplayMoveError(_("You are playing White"));
6865 case PlayFromGameFile:
6866 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6869 if (!white_piece && WhiteOnMove(currentMove)) {
6870 DisplayMoveError(_("It is White's turn"));
6873 if (white_piece && !WhiteOnMove(currentMove)) {
6874 DisplayMoveError(_("It is Black's turn"));
6877 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6878 /* Editing correspondence game history */
6879 /* Could disallow this or prompt for confirmation */
6884 case BeginningOfGame:
6885 if (appData.icsActive) return FALSE;
6886 if (!appData.noChessProgram) {
6888 DisplayMoveError(_("You are playing White"));
6895 if (!white_piece && WhiteOnMove(currentMove)) {
6896 DisplayMoveError(_("It is White's turn"));
6899 if (white_piece && !WhiteOnMove(currentMove)) {
6900 DisplayMoveError(_("It is Black's turn"));
6909 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6910 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6911 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6912 && gameMode != AnalyzeFile && gameMode != Training) {
6913 DisplayMoveError(_("Displayed position is not current"));
6920 OnlyMove (int *x, int *y, Boolean captures)
6922 DisambiguateClosure cl;
6923 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6925 case MachinePlaysBlack:
6926 case IcsPlayingWhite:
6927 case BeginningOfGame:
6928 if(!WhiteOnMove(currentMove)) return FALSE;
6930 case MachinePlaysWhite:
6931 case IcsPlayingBlack:
6932 if(WhiteOnMove(currentMove)) return FALSE;
6939 cl.pieceIn = EmptySquare;
6944 cl.promoCharIn = NULLCHAR;
6945 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6946 if( cl.kind == NormalMove ||
6947 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6948 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6949 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6956 if(cl.kind != ImpossibleMove) return FALSE;
6957 cl.pieceIn = EmptySquare;
6962 cl.promoCharIn = NULLCHAR;
6963 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6964 if( cl.kind == NormalMove ||
6965 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6966 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6967 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6972 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6978 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6979 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6980 int lastLoadGameUseList = FALSE;
6981 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6982 ChessMove lastLoadGameStart = EndOfFile;
6984 Boolean addToBookFlag;
6987 UserMoveEvent (int fromX, int fromY, int toX, int toY, int promoChar)
6991 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6993 /* Check if the user is playing in turn. This is complicated because we
6994 let the user "pick up" a piece before it is his turn. So the piece he
6995 tried to pick up may have been captured by the time he puts it down!
6996 Therefore we use the color the user is supposed to be playing in this
6997 test, not the color of the piece that is currently on the starting
6998 square---except in EditGame mode, where the user is playing both
6999 sides; fortunately there the capture race can't happen. (It can
7000 now happen in IcsExamining mode, but that's just too bad. The user
7001 will get a somewhat confusing message in that case.)
7006 case TwoMachinesPlay:
7010 /* We switched into a game mode where moves are not accepted,
7011 perhaps while the mouse button was down. */
7014 case MachinePlaysWhite:
7015 /* User is moving for Black */
7016 if (WhiteOnMove(currentMove)) {
7017 DisplayMoveError(_("It is White's turn"));
7022 case MachinePlaysBlack:
7023 /* User is moving for White */
7024 if (!WhiteOnMove(currentMove)) {
7025 DisplayMoveError(_("It is Black's turn"));
7030 case PlayFromGameFile:
7031 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
7034 case BeginningOfGame:
7037 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
7038 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
7039 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
7040 /* User is moving for Black */
7041 if (WhiteOnMove(currentMove)) {
7042 DisplayMoveError(_("It is White's turn"));
7046 /* User is moving for White */
7047 if (!WhiteOnMove(currentMove)) {
7048 DisplayMoveError(_("It is Black's turn"));
7054 case IcsPlayingBlack:
7055 /* User is moving for Black */
7056 if (WhiteOnMove(currentMove)) {
7057 if (!appData.premove) {
7058 DisplayMoveError(_("It is White's turn"));
7059 } else if (toX >= 0 && toY >= 0) {
7062 premoveFromX = fromX;
7063 premoveFromY = fromY;
7064 premovePromoChar = promoChar;
7066 if (appData.debugMode)
7067 fprintf(debugFP, "Got premove: fromX %d,"
7068 "fromY %d, toX %d, toY %d\n",
7069 fromX, fromY, toX, toY);
7071 DrawPosition(TRUE, boards[currentMove]); // [HGM] repair animation damage done by premove (in particular emptying from-square)
7076 case IcsPlayingWhite:
7077 /* User is moving for White */
7078 if (!WhiteOnMove(currentMove)) {
7079 if (!appData.premove) {
7080 DisplayMoveError(_("It is Black's turn"));
7081 } else if (toX >= 0 && toY >= 0) {
7084 premoveFromX = fromX;
7085 premoveFromY = fromY;
7086 premovePromoChar = promoChar;
7088 if (appData.debugMode)
7089 fprintf(debugFP, "Got premove: fromX %d,"
7090 "fromY %d, toX %d, toY %d\n",
7091 fromX, fromY, toX, toY);
7093 DrawPosition(TRUE, boards[currentMove]);
7102 /* EditPosition, empty square, or different color piece;
7103 click-click move is possible */
7104 if (toX == -2 || toY == -2) {
7105 boards[0][fromY][fromX] = (boards[0][fromY][fromX] == EmptySquare ? DarkSquare : EmptySquare);
7106 DrawPosition(FALSE, boards[currentMove]);
7108 } else if (toX >= 0 && toY >= 0) {
7109 if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
7110 ChessSquare p = boards[0][rf][ff];
7111 if(PieceToChar(p) == '+') gatingPiece = CHUDEMOTED(p); else
7112 if(PieceToChar(CHUPROMOTED(p)) =='+') gatingPiece = CHUPROMOTED(p);
7114 boards[0][toY][toX] = boards[0][fromY][fromX];
7115 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
7116 if(boards[0][fromY][0] != EmptySquare) {
7117 if(boards[0][fromY][1]) boards[0][fromY][1]--;
7118 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
7121 if(fromX == BOARD_RGHT+1) {
7122 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
7123 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
7124 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
7127 boards[0][fromY][fromX] = gatingPiece;
7129 DrawPosition(FALSE, boards[currentMove]);
7135 if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
7136 pup = boards[currentMove][toY][toX];
7138 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
7139 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
7140 if( pup != EmptySquare ) return;
7141 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
7142 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
7143 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
7144 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
7145 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
7146 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
7147 while(PieceToChar(fromX) == '.' || PieceToChar(fromX) == '+' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
7151 /* [HGM] always test for legality, to get promotion info */
7152 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
7153 fromY, fromX, toY, toX, promoChar);
7155 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
7157 if(moveType == IllegalMove && legal[toY][toX] > 1) moveType = NormalMove; // someone explicitly told us this move is legal
7159 /* [HGM] but possibly ignore an IllegalMove result */
7160 if (appData.testLegality) {
7161 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7162 DisplayMoveError(_("Illegal move"));
7167 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7168 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7169 ClearPremoveHighlights(); // was included
7170 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7174 if(addToBookFlag) { // adding moves to book
7175 char buf[MSG_SIZ], move[MSG_SIZ];
7176 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7177 if(killX >= 0) snprintf(move, MSG_SIZ, "%c%dx%c%d-%c%d%c", fromX + AAA, fromY + ONE - '0',
7178 killX + AAA, killY + ONE - '0', toX + AAA, toY + ONE - '0', promoChar);
7179 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7181 addToBookFlag = FALSE;
7186 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7189 /* Common tail of UserMoveEvent and DropMenuEvent */
7191 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7195 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7196 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7197 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7198 if(WhiteOnMove(currentMove)) {
7199 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7201 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
7205 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7206 move type in caller when we know the move is a legal promotion */
7207 if(moveType == NormalMove && promoChar)
7208 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7210 /* [HGM] <popupFix> The following if has been moved here from
7211 UserMoveEvent(). Because it seemed to belong here (why not allow
7212 piece drops in training games?), and because it can only be
7213 performed after it is known to what we promote. */
7214 if (gameMode == Training) {
7215 /* compare the move played on the board to the next move in the
7216 * game. If they match, display the move and the opponent's response.
7217 * If they don't match, display an error message.
7221 CopyBoard(testBoard, boards[currentMove]);
7222 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7224 if (CompareBoards(testBoard, boards[currentMove+1])) {
7225 ForwardInner(currentMove+1);
7227 /* Autoplay the opponent's response.
7228 * if appData.animate was TRUE when Training mode was entered,
7229 * the response will be animated.
7231 saveAnimate = appData.animate;
7232 appData.animate = animateTraining;
7233 ForwardInner(currentMove+1);
7234 appData.animate = saveAnimate;
7236 /* check for the end of the game */
7237 if (currentMove >= forwardMostMove) {
7238 gameMode = PlayFromGameFile;
7240 SetTrainingModeOff();
7241 DisplayInformation(_("End of game"));
7244 DisplayError(_("Incorrect move"), 0);
7249 /* Ok, now we know that the move is good, so we can kill
7250 the previous line in Analysis Mode */
7251 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7252 && currentMove < forwardMostMove) {
7253 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7254 else forwardMostMove = currentMove;
7259 /* If we need the chess program but it's dead, restart it */
7260 ResurrectChessProgram();
7262 /* A user move restarts a paused game*/
7266 thinkOutput[0] = NULLCHAR;
7268 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7270 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7271 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7275 if (gameMode == BeginningOfGame) {
7276 if (appData.noChessProgram) {
7277 gameMode = EditGame;
7281 gameMode = MachinePlaysBlack;
7284 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7286 if (first.sendName) {
7287 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7288 SendToProgram(buf, &first);
7295 /* Relay move to ICS or chess engine */
7296 if (appData.icsActive) {
7297 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7298 gameMode == IcsExamining) {
7299 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7300 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7302 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7304 // also send plain move, in case ICS does not understand atomic claims
7305 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7309 if (first.sendTime && (gameMode == BeginningOfGame ||
7310 gameMode == MachinePlaysWhite ||
7311 gameMode == MachinePlaysBlack)) {
7312 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7314 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7315 // [HGM] book: if program might be playing, let it use book
7316 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7317 first.maybeThinking = TRUE;
7318 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7319 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7320 SendBoard(&first, currentMove+1);
7321 if(second.analyzing) {
7322 if(!second.useSetboard) SendToProgram("undo\n", &second);
7323 SendBoard(&second, currentMove+1);
7326 SendMoveToProgram(forwardMostMove-1, &first);
7327 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7329 if (currentMove == cmailOldMove + 1) {
7330 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7334 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7338 if(appData.testLegality)
7339 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7345 if (WhiteOnMove(currentMove)) {
7346 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7348 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7352 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7357 case MachinePlaysBlack:
7358 case MachinePlaysWhite:
7359 /* disable certain menu options while machine is thinking */
7360 SetMachineThinkingEnables();
7367 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7368 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7370 if(bookHit) { // [HGM] book: simulate book reply
7371 static char bookMove[MSG_SIZ]; // a bit generous?
7373 programStats.nodes = programStats.depth = programStats.time =
7374 programStats.score = programStats.got_only_move = 0;
7375 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7377 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7378 strcat(bookMove, bookHit);
7379 HandleMachineMove(bookMove, &first);
7385 MarkByFEN(char *fen)
7388 if(!appData.markers || !appData.highlightDragging) return;
7389 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7390 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7394 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7395 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 3; else
7396 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7397 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7398 if(*fen == 'T') marker[r][f++] = 0; else
7399 if(*fen == 'Y') marker[r][f++] = 1; else
7400 if(*fen == 'G') marker[r][f++] = 3; else
7401 if(*fen == 'B') marker[r][f++] = 4; else
7402 if(*fen == 'C') marker[r][f++] = 5; else
7403 if(*fen == 'M') marker[r][f++] = 6; else
7404 if(*fen == 'W') marker[r][f++] = 7; else
7405 if(*fen == 'D') marker[r][f++] = 8; else
7406 if(*fen == 'R') marker[r][f++] = 2; else {
7407 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7410 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7414 DrawPosition(TRUE, NULL);
7417 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7420 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7422 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7423 Markers *m = (Markers *) closure;
7424 if(rf == fromY && ff == fromX && (killX < 0 ? !(rt == rf && ft == ff) && legNr & 1 :
7425 kill2X < 0 ? rt == killY && ft == killX || legNr & 2 : rt == killY && ft == killX || legNr & 4))
7426 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7427 || kind == WhiteCapturesEnPassant
7428 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && (killX < 0 & legNr || legNr & 2 && kill2X < 0)), legal[rt][ft] = 3;
7429 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 3;
7432 static int hoverSavedValid;
7435 MarkTargetSquares (int clear)
7438 if(clear) { // no reason to ever suppress clearing
7439 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7440 hoverSavedValid = 0;
7441 if(!sum || clear < 0) return; // nothing was cleared,no redraw needed
7444 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7445 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7446 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7447 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7448 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7450 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7453 DrawPosition(FALSE, NULL);
7457 Explode (Board board, int fromX, int fromY, int toX, int toY)
7459 if(gameInfo.variant == VariantAtomic &&
7460 (board[toY][toX] != EmptySquare || // capture?
7461 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7462 board[fromY][fromX] == BlackPawn )
7464 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7470 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7473 CanPromote (ChessSquare piece, int y)
7475 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7476 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7477 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7478 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7479 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7480 (gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7481 gameInfo.variant == VariantMakruk) && !*engineVariant) return FALSE;
7482 return (piece == BlackPawn && y <= zone ||
7483 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7484 piece == BlackLance && y <= zone ||
7485 piece == WhiteLance && y >= BOARD_HEIGHT-1-zone );
7489 HoverEvent (int xPix, int yPix, int x, int y)
7491 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7493 if(!first.highlight) return;
7494 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7495 if(x == oldX && y == oldY) return; // only do something if we enter new square
7496 oldFromX = fromX; oldFromY = fromY;
7497 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7498 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7499 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7500 hoverSavedValid = 1;
7501 } else if(oldX != x || oldY != y) {
7502 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7503 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7504 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7505 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7506 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7508 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7509 SendToProgram(buf, &first);
7512 // SetHighlights(fromX, fromY, x, y);
7516 void ReportClick(char *action, int x, int y)
7518 char buf[MSG_SIZ]; // Inform engine of what user does
7520 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7521 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7522 legal[r][f] = !pieceDefs || !appData.markers, marker[r][f] = 0;
7523 if(!first.highlight || gameMode == EditPosition) return;
7524 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7525 SendToProgram(buf, &first);
7528 Boolean right; // instructs front-end to use button-1 events as if they were button 3
7531 LeftClick (ClickType clickType, int xPix, int yPix)
7534 Boolean saveAnimate;
7535 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0, flashing = 0, saveFlash;
7536 char promoChoice = NULLCHAR;
7538 static TimeMark lastClickTime, prevClickTime;
7540 if(flashing) return;
7542 x = EventToSquare(xPix, BOARD_WIDTH);
7543 y = EventToSquare(yPix, BOARD_HEIGHT);
7544 if (!flipView && y >= 0) {
7545 y = BOARD_HEIGHT - 1 - y;
7547 if (flipView && x >= 0) {
7548 x = BOARD_WIDTH - 1 - x;
7551 if(appData.monoMouse && gameMode == EditPosition && fromX < 0 && clickType == Press && boards[currentMove][y][x] == EmptySquare) {
7553 RightClick(clickType, xPix, yPix, &dummy, &dummy);
7558 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7560 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7562 if (clickType == Press) ErrorPopDown();
7563 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7565 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7566 defaultPromoChoice = promoSweep;
7567 promoSweep = EmptySquare; // terminate sweep
7568 promoDefaultAltered = TRUE;
7569 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7572 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7573 if(clickType == Release) return; // ignore upclick of click-click destination
7574 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7575 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7576 if(gameInfo.holdingsWidth &&
7577 (WhiteOnMove(currentMove)
7578 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7579 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7580 // click in right holdings, for determining promotion piece
7581 ChessSquare p = boards[currentMove][y][x];
7582 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7583 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7584 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7585 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7590 DrawPosition(FALSE, boards[currentMove]);
7594 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7595 if(clickType == Press
7596 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7597 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7598 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7601 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7602 // could be static click on premove from-square: abort premove
7604 ClearPremoveHighlights();
7607 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7608 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7610 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7611 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7612 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7613 defaultPromoChoice = DefaultPromoChoice(side);
7616 autoQueen = appData.alwaysPromoteToQueen;
7620 gatingPiece = EmptySquare;
7621 if (clickType != Press) {
7622 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7623 DragPieceEnd(xPix, yPix); dragging = 0;
7624 DrawPosition(FALSE, NULL);
7628 doubleClick = FALSE;
7629 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7630 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7632 fromX = x; fromY = y; toX = toY = killX = killY = kill2X = kill2Y = -1;
7633 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7634 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7635 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7637 if (OKToStartUserMove(fromX, fromY)) {
7639 ReportClick("lift", x, y);
7640 MarkTargetSquares(0);
7641 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7642 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7643 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7644 promoSweep = defaultPromoChoice;
7645 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7646 Sweep(0); // Pawn that is going to promote: preview promotion piece
7647 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7649 if (appData.highlightDragging) {
7650 SetHighlights(fromX, fromY, -1, -1);
7654 } else fromX = fromY = -1;
7660 if (clickType == Press && gameMode != EditPosition) {
7665 // ignore off-board to clicks
7666 if(y < 0 || x < 0) return;
7668 /* Check if clicking again on the same color piece */
7669 fromP = boards[currentMove][fromY][fromX];
7670 toP = boards[currentMove][y][x];
7671 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7672 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7673 marker[y][x] == 0 && // if engine told we can move to here, do it even if own piece
7674 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7675 WhitePawn <= toP && toP <= WhiteKing &&
7676 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7677 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7678 (BlackPawn <= fromP && fromP <= BlackKing &&
7679 BlackPawn <= toP && toP <= BlackKing &&
7680 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7681 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7682 /* Clicked again on same color piece -- changed his mind */
7683 second = (x == fromX && y == fromY);
7684 killX = killY = kill2X = kill2Y = -1;
7685 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7686 second = FALSE; // first double-click rather than scond click
7687 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7689 promoDefaultAltered = FALSE;
7690 if(!second) MarkTargetSquares(1);
7691 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7692 if (appData.highlightDragging) {
7693 SetHighlights(x, y, -1, -1);
7697 if (OKToStartUserMove(x, y)) {
7698 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7699 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7700 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7701 gatingPiece = boards[currentMove][fromY][fromX];
7702 else gatingPiece = doubleClick ? fromP : EmptySquare;
7704 fromY = y; dragging = 1;
7705 if(!second) ReportClick("lift", x, y);
7706 MarkTargetSquares(0);
7707 DragPieceBegin(xPix, yPix, FALSE);
7708 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7709 promoSweep = defaultPromoChoice;
7710 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7711 Sweep(0); // Pawn that is going to promote: preview promotion piece
7715 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7718 // ignore clicks on holdings
7719 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7722 if(x == fromX && y == fromY && clickType == Press && gameMode == EditPosition && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7723 gatingPiece = boards[currentMove][fromY][fromX]; // prepare to copy rather than move
7724 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7728 if (clickType == Release && x == fromX && y == fromY && killX < 0 && !sweepSelecting) {
7729 DragPieceEnd(xPix, yPix); dragging = 0;
7731 // a deferred attempt to click-click move an empty square on top of a piece
7732 boards[currentMove][y][x] = EmptySquare;
7734 DrawPosition(FALSE, boards[currentMove]);
7735 fromX = fromY = -1; clearFlag = 0;
7738 if (appData.animateDragging) {
7739 /* Undo animation damage if any */
7740 DrawPosition(FALSE, NULL);
7743 /* Second up/down in same square; just abort move */
7746 gatingPiece = EmptySquare;
7749 ClearPremoveHighlights();
7750 MarkTargetSquares(-1);
7751 DrawPosition(FALSE, NULL); // make user highlights are drawn (and deferred marker clearing)
7753 /* First upclick in same square; start click-click mode */
7754 SetHighlights(x, y, -1, -1);
7761 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7762 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7763 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7764 DisplayMessage(_("only marked squares are legal"),"");
7765 DrawPosition(TRUE, NULL);
7766 return; // ignore to-click
7769 /* we now have a different from- and (possibly off-board) to-square */
7770 /* Completed move */
7771 if(!sweepSelecting) {
7776 piece = boards[currentMove][fromY][fromX];
7778 saveAnimate = appData.animate;
7779 if (clickType == Press) {
7780 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7781 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7782 // must be Edit Position mode with empty-square selected
7783 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7784 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7787 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7790 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7791 killX = kill2X; killY = kill2Y; kill2X = kill2Y = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7793 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7794 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7795 if(appData.sweepSelect) {
7796 promoSweep = defaultPromoChoice;
7797 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED(piece)) == '+') promoSweep = CHUPROMOTED(piece);
7798 selectFlag = 0; lastX = xPix; lastY = yPix;
7799 ReportClick("put", x, y); // extra put to prompt engine for 'choice' command
7800 saveFlash = appData.flashCount; appData.flashCount = 0;
7801 Sweep(0); // Pawn that is going to promote: preview promotion piece
7803 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7804 MarkTargetSquares(1);
7806 return; // promo popup appears on up-click
7808 /* Finish clickclick move */
7809 if (appData.animate || appData.highlightLastMove) {
7810 SetHighlights(fromX, fromY, toX, toY);
7814 MarkTargetSquares(1);
7815 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7816 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7817 *promoRestrict = 0; appData.flashCount = saveFlash;
7818 if (appData.animate || appData.highlightLastMove) {
7819 SetHighlights(fromX, fromY, toX, toY);
7823 MarkTargetSquares(1);
7826 // [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
7827 /* Finish drag move */
7828 if (appData.highlightLastMove) {
7829 SetHighlights(fromX, fromY, toX, toY);
7834 if(PieceToChar(CHUPROMOTED(boards[currentMove][fromY][fromX])) == '+')
7835 defaultPromoChoice = CHUPROMOTED(boards[currentMove][fromY][fromX]);
7836 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7837 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7838 dragging *= 2; // flag button-less dragging if we are dragging
7839 MarkTargetSquares(1);
7840 if(x == killX && y == killY) killX = kill2X, killY = kill2Y, kill2X = kill2Y = -1; // cancel last kill
7842 kill2X = killX; kill2Y = killY;
7843 killX = x; killY = y; // remember this square as intermediate
7844 ReportClick("put", x, y); // and inform engine
7845 ReportClick("lift", x, y);
7846 MarkTargetSquares(0);
7850 DragPieceEnd(xPix, yPix); dragging = 0;
7851 /* Don't animate move and drag both */
7852 appData.animate = FALSE;
7853 MarkTargetSquares(-1); // -1 defers displaying marker change to prevent piece reappearing on from-square!
7856 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7857 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7858 ChessSquare piece = boards[currentMove][fromY][fromX];
7859 if(gameMode == EditPosition && piece != EmptySquare &&
7860 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7863 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7864 n = PieceToNumber(piece - (int)BlackPawn);
7865 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7866 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7867 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7869 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7870 n = PieceToNumber(piece);
7871 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7872 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7873 boards[currentMove][n][BOARD_WIDTH-2]++;
7875 boards[currentMove][fromY][fromX] = EmptySquare;
7879 MarkTargetSquares(1);
7880 DrawPosition(TRUE, boards[currentMove]);
7884 // off-board moves should not be highlighted
7885 if(x < 0 || y < 0) ClearHighlights();
7886 else ReportClick("put", x, y);
7888 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7890 if(legal[toY][toX] == 2) promoChoice = ToLower(PieceToChar(defaultPromoChoice)); // highlight-induced promotion
7892 if (legal[toY][toX] == 2 && !appData.sweepSelect || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7893 SetHighlights(fromX, fromY, toX, toY);
7894 MarkTargetSquares(1);
7895 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7896 // [HGM] super: promotion to captured piece selected from holdings
7897 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7898 promotionChoice = TRUE;
7899 // kludge follows to temporarily execute move on display, without promoting yet
7900 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7901 boards[currentMove][toY][toX] = p;
7902 DrawPosition(FALSE, boards[currentMove]);
7903 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7904 boards[currentMove][toY][toX] = q;
7905 DisplayMessage("Click in holdings to choose piece", "");
7908 PromotionPopUp(promoChoice);
7910 int oldMove = currentMove;
7911 flashing = 1; // prevent recursive calling (by release of to-click) while flashing piece
7912 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7913 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7914 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7915 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7916 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7917 DrawPosition(TRUE, boards[currentMove]);
7921 appData.animate = saveAnimate;
7922 if (appData.animate || appData.animateDragging) {
7923 /* Undo animation damage if needed */
7924 // DrawPosition(FALSE, NULL);
7929 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7930 { // front-end-free part taken out of PieceMenuPopup
7931 int whichMenu; int xSqr, ySqr;
7933 if(seekGraphUp) { // [HGM] seekgraph
7934 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7935 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7939 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7940 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7941 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7942 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7943 if(action == Press) {
7944 originalFlip = flipView;
7945 flipView = !flipView; // temporarily flip board to see game from partners perspective
7946 DrawPosition(TRUE, partnerBoard);
7947 DisplayMessage(partnerStatus, "");
7949 } else if(action == Release) {
7950 flipView = originalFlip;
7951 DrawPosition(TRUE, boards[currentMove]);
7957 xSqr = EventToSquare(x, BOARD_WIDTH);
7958 ySqr = EventToSquare(y, BOARD_HEIGHT);
7959 if (action == Release) {
7960 if(pieceSweep != EmptySquare) {
7961 EditPositionMenuEvent(pieceSweep, toX, toY);
7962 pieceSweep = EmptySquare;
7963 } else UnLoadPV(); // [HGM] pv
7965 if (action != Press) return -2; // return code to be ignored
7968 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7970 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7971 if (xSqr < 0 || ySqr < 0) return -1;
7972 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7973 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7974 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7975 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7979 if(!appData.icsEngineAnalyze) return -1;
7980 case IcsPlayingWhite:
7981 case IcsPlayingBlack:
7982 if(!appData.zippyPlay) goto noZip;
7985 case MachinePlaysWhite:
7986 case MachinePlaysBlack:
7987 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7988 if (!appData.dropMenu) {
7990 return 2; // flag front-end to grab mouse events
7992 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7993 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7996 if (xSqr < 0 || ySqr < 0) return -1;
7997 if (!appData.dropMenu || appData.testLegality &&
7998 gameInfo.variant != VariantBughouse &&
7999 gameInfo.variant != VariantCrazyhouse) return -1;
8000 whichMenu = 1; // drop menu
8006 if (((*fromX = xSqr) < 0) ||
8007 ((*fromY = ySqr) < 0)) {
8008 *fromX = *fromY = -1;
8012 *fromX = BOARD_WIDTH - 1 - *fromX;
8014 *fromY = BOARD_HEIGHT - 1 - *fromY;
8020 Wheel (int dir, int x, int y)
8022 if(gameMode == EditPosition) {
8023 int xSqr = EventToSquare(x, BOARD_WIDTH);
8024 int ySqr = EventToSquare(y, BOARD_HEIGHT);
8025 if(ySqr < 0 || xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return;
8026 if(flipView) xSqr = BOARD_WIDTH - 1 - xSqr; else ySqr = BOARD_HEIGHT - 1 - ySqr;
8028 boards[currentMove][ySqr][xSqr] += dir;
8029 if((int) boards[currentMove][ySqr][xSqr] < WhitePawn) boards[currentMove][ySqr][xSqr] = BlackKing;
8030 if((int) boards[currentMove][ySqr][xSqr] > BlackKing) boards[currentMove][ySqr][xSqr] = WhitePawn;
8031 } while(PieceToChar(boards[currentMove][ySqr][xSqr]) == '.');
8032 DrawPosition(FALSE, boards[currentMove]);
8033 } else if(dir > 0) ForwardEvent(); else BackwardEvent();
8037 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
8039 // char * hint = lastHint;
8040 FrontEndProgramStats stats;
8042 stats.which = cps == &first ? 0 : 1;
8043 stats.depth = cpstats->depth;
8044 stats.nodes = cpstats->nodes;
8045 stats.score = cpstats->score;
8046 stats.time = cpstats->time;
8047 stats.pv = cpstats->movelist;
8048 stats.hint = lastHint;
8049 stats.an_move_index = 0;
8050 stats.an_move_count = 0;
8052 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
8053 stats.hint = cpstats->move_name;
8054 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
8055 stats.an_move_count = cpstats->nr_moves;
8058 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
8060 if( gameMode == AnalyzeMode && stats.pv && stats.pv[0]
8061 && appData.analysisBell && stats.time >= 100*appData.analysisBell ) RingBell();
8063 SetProgramStats( &stats );
8067 ClearEngineOutputPane (int which)
8069 static FrontEndProgramStats dummyStats;
8070 dummyStats.which = which;
8071 dummyStats.pv = "#";
8072 SetProgramStats( &dummyStats );
8075 #define MAXPLAYERS 500
8078 TourneyStandings (int display)
8080 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
8081 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
8082 char result, *p, *names[MAXPLAYERS];
8084 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
8085 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
8086 names[0] = p = strdup(appData.participants);
8087 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
8089 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
8091 while(result = appData.results[nr]) {
8092 color = Pairing(nr, nPlayers, &w, &b, &dummy);
8093 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
8094 wScore = bScore = 0;
8096 case '+': wScore = 2; break;
8097 case '-': bScore = 2; break;
8098 case '=': wScore = bScore = 1; break;
8100 case '*': return strdup("busy"); // tourney not finished
8108 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
8109 for(w=0; w<nPlayers; w++) {
8111 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
8112 ranking[w] = b; points[w] = bScore; score[b] = -2;
8114 p = malloc(nPlayers*34+1);
8115 for(w=0; w<nPlayers && w<display; w++)
8116 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
8122 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
8123 { // count all piece types
8125 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
8126 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
8127 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8130 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
8131 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
8132 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
8133 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
8134 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
8135 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
8140 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
8142 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
8143 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
8145 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
8146 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
8147 if(myPawns == 2 && nMine == 3) // KPP
8148 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
8149 if(myPawns == 1 && nMine == 2) // KP
8150 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8151 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
8152 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
8153 if(myPawns) return FALSE;
8154 if(pCnt[WhiteRook+side])
8155 return pCnt[BlackRook-side] ||
8156 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
8157 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
8158 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
8159 if(pCnt[WhiteCannon+side]) {
8160 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
8161 return majorDefense || pCnt[BlackAlfil-side] >= 2;
8163 if(pCnt[WhiteKnight+side])
8164 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8169 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
8171 VariantClass v = gameInfo.variant;
8173 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
8174 if(v == VariantShatranj) return TRUE; // always winnable through baring
8175 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
8176 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
8178 if(v == VariantXiangqi) {
8179 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
8181 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
8182 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
8183 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
8184 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
8185 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
8186 if(stale) // we have at least one last-rank P plus perhaps C
8187 return majors // KPKX
8188 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
8190 return pCnt[WhiteFerz+side] // KCAK
8191 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
8192 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
8193 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
8195 } else if(v == VariantKnightmate) {
8196 if(nMine == 1) return FALSE;
8197 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
8198 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
8199 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
8201 if(nMine == 1) return FALSE; // bare King
8202 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
8203 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
8204 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
8205 // by now we have King + 1 piece (or multiple Bishops on the same color)
8206 if(pCnt[WhiteKnight+side])
8207 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
8208 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
8209 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
8211 return (pCnt[BlackKnight-side]); // KBKN, KFKN
8212 if(pCnt[WhiteAlfil+side])
8213 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
8214 if(pCnt[WhiteWazir+side])
8215 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8222 CompareWithRights (Board b1, Board b2)
8225 if(!CompareBoards(b1, b2)) return FALSE;
8226 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8227 /* compare castling rights */
8228 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8229 rights++; /* King lost rights, while rook still had them */
8230 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8231 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8232 rights++; /* but at least one rook lost them */
8234 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8236 if( b1[CASTLING][5] != NoRights ) {
8237 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8244 Adjudicate (ChessProgramState *cps)
8245 { // [HGM] some adjudications useful with buggy engines
8246 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8247 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8248 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8249 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8250 int k, drop, count = 0; static int bare = 1;
8251 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8252 Boolean canAdjudicate = !appData.icsActive;
8254 // most tests only when we understand the game, i.e. legality-checking on
8255 if( appData.testLegality )
8256 { /* [HGM] Some more adjudications for obstinate engines */
8257 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+2], i;
8258 static int moveCount = 6;
8260 char *reason = NULL;
8262 /* Count what is on board. */
8263 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8265 /* Some material-based adjudications that have to be made before stalemate test */
8266 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8267 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8268 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8269 if(canAdjudicate && appData.checkMates) {
8271 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8272 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8273 "Xboard adjudication: King destroyed", GE_XBOARD );
8278 /* Bare King in Shatranj (loses) or Losers (wins) */
8279 if( nrW == 1 || nrB == 1) {
8280 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8281 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8282 if(canAdjudicate && appData.checkMates) {
8284 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8285 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8286 "Xboard adjudication: Bare king", GE_XBOARD );
8290 if( gameInfo.variant == VariantShatranj && --bare < 0)
8292 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8293 if(canAdjudicate && appData.checkMates) {
8294 /* but only adjudicate if adjudication enabled */
8296 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8297 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8298 "Xboard adjudication: Bare king", GE_XBOARD );
8305 // don't wait for engine to announce game end if we can judge ourselves
8306 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8308 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8309 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8310 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8311 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8314 reason = "Xboard adjudication: 3rd check";
8315 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8326 reason = "Xboard adjudication: Stalemate";
8327 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8328 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8329 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8330 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8331 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8332 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8333 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8334 EP_CHECKMATE : EP_WINS);
8335 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8336 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8340 reason = "Xboard adjudication: Checkmate";
8341 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8342 if(gameInfo.variant == VariantShogi) {
8343 if(forwardMostMove > backwardMostMove
8344 && moveList[forwardMostMove-1][1] == '@'
8345 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8346 reason = "XBoard adjudication: pawn-drop mate";
8347 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8353 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8355 result = GameIsDrawn; break;
8357 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8359 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8363 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8365 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8366 GameEnds( result, reason, GE_XBOARD );
8370 /* Next absolutely insufficient mating material. */
8371 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8372 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8373 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8375 /* always flag draws, for judging claims */
8376 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8378 if(canAdjudicate && appData.materialDraws) {
8379 /* but only adjudicate them if adjudication enabled */
8380 if(engineOpponent) {
8381 SendToProgram("force\n", engineOpponent); // suppress reply
8382 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8384 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8389 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8390 if(gameInfo.variant == VariantXiangqi ?
8391 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8393 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8394 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8395 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8396 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8398 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8399 { /* if the first 3 moves do not show a tactical win, declare draw */
8400 if(engineOpponent) {
8401 SendToProgram("force\n", engineOpponent); // suppress reply
8402 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8404 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8407 } else moveCount = 6;
8410 // Repetition draws and 50-move rule can be applied independently of legality testing
8412 /* Check for rep-draws */
8414 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8415 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8416 for(k = forwardMostMove-2;
8417 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8418 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8419 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8422 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8423 /* compare castling rights */
8424 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8425 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8426 rights++; /* King lost rights, while rook still had them */
8427 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8428 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8429 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8430 rights++; /* but at least one rook lost them */
8432 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8433 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8435 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8436 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8437 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8440 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8441 && appData.drawRepeats > 1) {
8442 /* adjudicate after user-specified nr of repeats */
8443 int result = GameIsDrawn;
8444 char *details = "XBoard adjudication: repetition draw";
8445 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8446 // [HGM] xiangqi: check for forbidden perpetuals
8447 int m, ourPerpetual = 1, hisPerpetual = 1;
8448 for(m=forwardMostMove; m>k; m-=2) {
8449 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8450 ourPerpetual = 0; // the current mover did not always check
8451 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8452 hisPerpetual = 0; // the opponent did not always check
8454 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8455 ourPerpetual, hisPerpetual);
8456 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8457 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8458 details = "Xboard adjudication: perpetual checking";
8460 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8461 break; // (or we would have caught him before). Abort repetition-checking loop.
8463 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8464 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8466 details = "Xboard adjudication: repetition";
8468 } else // it must be XQ
8469 // Now check for perpetual chases
8470 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8471 hisPerpetual = PerpetualChase(k, forwardMostMove);
8472 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8473 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8474 static char resdet[MSG_SIZ];
8475 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8477 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8479 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8480 break; // Abort repetition-checking loop.
8482 // if neither of us is checking or chasing all the time, or both are, it is draw
8484 if(engineOpponent) {
8485 SendToProgram("force\n", engineOpponent); // suppress reply
8486 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8488 GameEnds( result, details, GE_XBOARD );
8491 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8492 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8496 /* Now we test for 50-move draws. Determine ply count */
8497 count = forwardMostMove;
8498 /* look for last irreversble move */
8499 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8501 /* if we hit starting position, add initial plies */
8502 if( count == backwardMostMove )
8503 count -= initialRulePlies;
8504 count = forwardMostMove - count;
8505 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8506 // adjust reversible move counter for checks in Xiangqi
8507 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8508 if(i < backwardMostMove) i = backwardMostMove;
8509 while(i <= forwardMostMove) {
8510 lastCheck = inCheck; // check evasion does not count
8511 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8512 if(inCheck || lastCheck) count--; // check does not count
8517 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8518 /* this is used to judge if draw claims are legal */
8519 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8520 if(engineOpponent) {
8521 SendToProgram("force\n", engineOpponent); // suppress reply
8522 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8524 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8528 /* if draw offer is pending, treat it as a draw claim
8529 * when draw condition present, to allow engines a way to
8530 * claim draws before making their move to avoid a race
8531 * condition occurring after their move
8533 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8535 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8536 p = "Draw claim: 50-move rule";
8537 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8538 p = "Draw claim: 3-fold repetition";
8539 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8540 p = "Draw claim: insufficient mating material";
8541 if( p != NULL && canAdjudicate) {
8542 if(engineOpponent) {
8543 SendToProgram("force\n", engineOpponent); // suppress reply
8544 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8546 GameEnds( GameIsDrawn, p, GE_XBOARD );
8551 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8552 if(engineOpponent) {
8553 SendToProgram("force\n", engineOpponent); // suppress reply
8554 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8556 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8562 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8563 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8564 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8569 int pieces[10], squares[10], cnt=0, r, f, res;
8571 static PPROBE_EGBB probeBB;
8572 if(!appData.testLegality) return 10;
8573 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8574 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8575 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8576 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8577 ChessSquare piece = boards[forwardMostMove][r][f];
8578 int black = (piece >= BlackPawn);
8579 int type = piece - black*BlackPawn;
8580 if(piece == EmptySquare) continue;
8581 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8582 if(type == WhiteKing) type = WhiteQueen + 1;
8583 type = egbbCode[type];
8584 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8585 pieces[cnt] = type + black*6;
8586 if(++cnt > 5) return 11;
8588 pieces[cnt] = squares[cnt] = 0;
8590 if(loaded == 2) return 13; // loading failed before
8592 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8595 loaded = 2; // prepare for failure
8596 if(!path) return 13; // no egbb installed
8597 strncpy(buf, path + 8, MSG_SIZ);
8598 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8599 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8600 lib = LoadLibrary(buf);
8601 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8602 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8603 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8604 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8605 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8606 loaded = 1; // success!
8608 res = probeBB(forwardMostMove & 1, pieces, squares);
8609 return res > 0 ? 1 : res < 0 ? -1 : 0;
8613 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8614 { // [HGM] book: this routine intercepts moves to simulate book replies
8615 char *bookHit = NULL;
8617 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8619 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8620 SendToProgram(buf, cps);
8622 //first determine if the incoming move brings opponent into his book
8623 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8624 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8625 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8626 if(bookHit != NULL && !cps->bookSuspend) {
8627 // make sure opponent is not going to reply after receiving move to book position
8628 SendToProgram("force\n", cps);
8629 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8631 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8632 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8633 // now arrange restart after book miss
8635 // after a book hit we never send 'go', and the code after the call to this routine
8636 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8637 char buf[MSG_SIZ], *move = bookHit;
8639 int fromX, fromY, toX, toY;
8643 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8644 &fromX, &fromY, &toX, &toY, &promoChar)) {
8645 (void) CoordsToAlgebraic(boards[forwardMostMove],
8646 PosFlags(forwardMostMove),
8647 fromY, fromX, toY, toX, promoChar, move);
8649 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8653 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8654 SendToProgram(buf, cps);
8655 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8656 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8657 SendToProgram("go\n", cps);
8658 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8659 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8660 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8661 SendToProgram("go\n", cps);
8662 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8664 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8668 LoadError (char *errmess, ChessProgramState *cps)
8669 { // unloads engine and switches back to -ncp mode if it was first
8670 if(cps->initDone) return FALSE;
8671 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8672 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8675 appData.noChessProgram = TRUE;
8676 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8677 gameMode = BeginningOfGame; ModeHighlight();
8680 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8681 DisplayMessage("", ""); // erase waiting message
8682 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8687 ChessProgramState *savedState;
8689 DeferredBookMove (void)
8691 if(savedState->lastPing != savedState->lastPong)
8692 ScheduleDelayedEvent(DeferredBookMove, 10);
8694 HandleMachineMove(savedMessage, savedState);
8697 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8698 static ChessProgramState *stalledEngine;
8699 static char stashedInputMove[MSG_SIZ], abortEngineThink;
8702 HandleMachineMove (char *message, ChessProgramState *cps)
8704 static char firstLeg[20], legs;
8705 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8706 char realname[MSG_SIZ];
8707 int fromX, fromY, toX, toY;
8709 char promoChar, roar;
8714 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8715 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8716 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8717 DisplayError(_("Invalid pairing from pairing engine"), 0);
8720 pairingReceived = 1;
8722 return; // Skim the pairing messages here.
8725 oldError = cps->userError; cps->userError = 0;
8727 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8729 * Kludge to ignore BEL characters
8731 while (*message == '\007') message++;
8734 * [HGM] engine debug message: ignore lines starting with '#' character
8736 if(cps->debug && *message == '#') return;
8739 * Look for book output
8741 if (cps == &first && bookRequested) {
8742 if (message[0] == '\t' || message[0] == ' ') {
8743 /* Part of the book output is here; append it */
8744 strcat(bookOutput, message);
8745 strcat(bookOutput, " \n");
8747 } else if (bookOutput[0] != NULLCHAR) {
8748 /* All of book output has arrived; display it */
8749 char *p = bookOutput;
8750 while (*p != NULLCHAR) {
8751 if (*p == '\t') *p = ' ';
8754 DisplayInformation(bookOutput);
8755 bookRequested = FALSE;
8756 /* Fall through to parse the current output */
8761 * Look for machine move.
8763 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8764 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8766 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8767 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8768 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8769 stalledEngine = cps;
8770 if(appData.ponderNextMove) { // bring opponent out of ponder
8771 if(gameMode == TwoMachinesPlay) {
8772 if(cps->other->pause)
8773 PauseEngine(cps->other);
8775 SendToProgram("easy\n", cps->other);
8784 /* This method is only useful on engines that support ping */
8785 if(abortEngineThink) {
8786 if (appData.debugMode) {
8787 fprintf(debugFP, "Undoing move from aborted think of %s\n", cps->which);
8789 SendToProgram("undo\n", cps);
8793 if (cps->lastPing != cps->lastPong) {
8794 /* Extra move from before last new; ignore */
8795 if (appData.debugMode) {
8796 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8803 int machineWhite = FALSE;
8806 case BeginningOfGame:
8807 /* Extra move from before last reset; ignore */
8808 if (appData.debugMode) {
8809 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8816 /* Extra move after we tried to stop. The mode test is
8817 not a reliable way of detecting this problem, but it's
8818 the best we can do on engines that don't support ping.
8820 if (appData.debugMode) {
8821 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8822 cps->which, gameMode);
8824 SendToProgram("undo\n", cps);
8827 case MachinePlaysWhite:
8828 case IcsPlayingWhite:
8829 machineWhite = TRUE;
8832 case MachinePlaysBlack:
8833 case IcsPlayingBlack:
8834 machineWhite = FALSE;
8837 case TwoMachinesPlay:
8838 machineWhite = (cps->twoMachinesColor[0] == 'w');
8841 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8842 if (appData.debugMode) {
8844 "Ignoring move out of turn by %s, gameMode %d"
8845 ", forwardMost %d\n",
8846 cps->which, gameMode, forwardMostMove);
8852 if(cps->alphaRank) AlphaRank(machineMove, 4);
8854 // [HGM] lion: (some very limited) support for Alien protocol
8855 killX = killY = kill2X = kill2Y = -1;
8856 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8857 if(legs++) return; // middle leg contains only redundant info, ignore (but count it)
8858 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8861 if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move)
8862 char *q = strchr(p+1, ','); // second comma?
8863 safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off
8864 if(q) legs = 2, p = q; else legs = 1; // with 3-leg move we clipof first two legs!
8865 safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20);
8867 if(firstLeg[0]) { // there was a previous leg;
8868 // only support case where same piece makes two step
8869 char buf[20], *p = machineMove+1, *q = buf+1, f;
8870 safeStrCpy(buf, machineMove, 20);
8871 while(isdigit(*q)) q++; // find start of to-square
8872 safeStrCpy(machineMove, firstLeg, 20);
8873 while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove)
8874 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
8875 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)
8876 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8877 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8878 firstLeg[0] = NULLCHAR; legs = 0;
8881 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8882 &fromX, &fromY, &toX, &toY, &promoChar)) {
8883 /* Machine move could not be parsed; ignore it. */
8884 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8885 machineMove, _(cps->which));
8886 DisplayMoveError(buf1);
8887 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d",
8888 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType);
8889 if (gameMode == TwoMachinesPlay) {
8890 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8896 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8897 /* So we have to redo legality test with true e.p. status here, */
8898 /* to make sure an illegal e.p. capture does not slip through, */
8899 /* to cause a forfeit on a justified illegal-move complaint */
8900 /* of the opponent. */
8901 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8903 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8904 fromY, fromX, toY, toX, promoChar);
8905 if(moveType == IllegalMove) {
8906 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8907 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8908 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8911 } else if(!appData.fischerCastling)
8912 /* [HGM] Kludge to handle engines that send FRC-style castling
8913 when they shouldn't (like TSCP-Gothic) */
8915 case WhiteASideCastleFR:
8916 case BlackASideCastleFR:
8918 currentMoveString[2]++;
8920 case WhiteHSideCastleFR:
8921 case BlackHSideCastleFR:
8923 currentMoveString[2]--;
8925 default: ; // nothing to do, but suppresses warning of pedantic compilers
8928 hintRequested = FALSE;
8929 lastHint[0] = NULLCHAR;
8930 bookRequested = FALSE;
8931 /* Program may be pondering now */
8932 cps->maybeThinking = TRUE;
8933 if (cps->sendTime == 2) cps->sendTime = 1;
8934 if (cps->offeredDraw) cps->offeredDraw--;
8936 /* [AS] Save move info*/
8937 pvInfoList[ forwardMostMove ].score = programStats.score;
8938 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8939 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8941 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8943 /* Test suites abort the 'game' after one move */
8944 if(*appData.finger) {
8946 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8947 if(!f) f = fopen(appData.finger, "w");
8948 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8949 else { DisplayFatalError("Bad output file", errno, 0); return; }
8951 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8954 if(solvingTime >= 0) {
8955 snprintf(buf1, MSG_SIZ, "%d. %4.2fs: %s ", matchGame, solvingTime/100., parseList[backwardMostMove]);
8956 totalTime += solvingTime; first.matchWins++; solvingTime = -1;
8958 snprintf(buf1, MSG_SIZ, "%d. %s?%s ", matchGame, parseList[backwardMostMove], solvingTime == -2 ? " ???" : "");
8959 if(solvingTime == -2) second.matchWins++;
8961 OutputKibitz(2, buf1);
8962 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8965 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8966 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8969 while( count < adjudicateLossPlies ) {
8970 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8973 score = -score; /* Flip score for winning side */
8976 if( score > appData.adjudicateLossThreshold ) {
8983 if( count >= adjudicateLossPlies ) {
8984 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8986 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8987 "Xboard adjudication",
8994 if(Adjudicate(cps)) {
8995 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8996 return; // [HGM] adjudicate: for all automatic game ends
9000 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
9002 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
9003 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
9005 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9007 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9009 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
9010 char buf[3*MSG_SIZ];
9012 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
9013 programStats.score / 100.,
9015 programStats.time / 100.,
9016 (unsigned int)programStats.nodes,
9017 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
9018 programStats.movelist);
9024 /* [AS] Clear stats for next move */
9025 ClearProgramStats();
9026 thinkOutput[0] = NULLCHAR;
9027 hiddenThinkOutputState = 0;
9030 if (gameMode == TwoMachinesPlay) {
9031 /* [HGM] relaying draw offers moved to after reception of move */
9032 /* and interpreting offer as claim if it brings draw condition */
9033 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
9034 SendToProgram("draw\n", cps->other);
9036 if (cps->other->sendTime) {
9037 SendTimeRemaining(cps->other,
9038 cps->other->twoMachinesColor[0] == 'w');
9040 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
9041 if (firstMove && !bookHit) {
9043 if (cps->other->useColors) {
9044 SendToProgram(cps->other->twoMachinesColor, cps->other);
9046 SendToProgram("go\n", cps->other);
9048 cps->other->maybeThinking = TRUE;
9051 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
9053 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9055 if (!pausing && appData.ringBellAfterMoves) {
9056 if(!roar) RingBell();
9060 * Reenable menu items that were disabled while
9061 * machine was thinking
9063 if (gameMode != TwoMachinesPlay)
9064 SetUserThinkingEnables();
9066 // [HGM] book: after book hit opponent has received move and is now in force mode
9067 // force the book reply into it, and then fake that it outputted this move by jumping
9068 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
9070 static char bookMove[MSG_SIZ]; // a bit generous?
9072 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
9073 strcat(bookMove, bookHit);
9076 programStats.nodes = programStats.depth = programStats.time =
9077 programStats.score = programStats.got_only_move = 0;
9078 sprintf(programStats.movelist, "%s (xbook)", bookHit);
9080 if(cps->lastPing != cps->lastPong) {
9081 savedMessage = message; // args for deferred call
9083 ScheduleDelayedEvent(DeferredBookMove, 10);
9092 /* Set special modes for chess engines. Later something general
9093 * could be added here; for now there is just one kludge feature,
9094 * needed because Crafty 15.10 and earlier don't ignore SIGINT
9095 * when "xboard" is given as an interactive command.
9097 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
9098 cps->useSigint = FALSE;
9099 cps->useSigterm = FALSE;
9101 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
9102 ParseFeatures(message+8, cps);
9103 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
9106 if (!strncmp(message, "setup ", 6) &&
9107 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
9108 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
9109 ) { // [HGM] allow first engine to define opening position
9110 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
9111 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
9113 if(sscanf(message, "setup (%s", buf) == 1) {
9114 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES);
9115 ASSIGN(appData.pieceToCharTable, buf);
9117 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
9119 while(message[s] && message[s++] != ' ');
9120 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
9121 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
9122 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
9123 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
9124 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
9125 if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition
9126 startedFromSetupPosition = FALSE;
9129 if(startedFromSetupPosition) return;
9130 ParseFEN(boards[0], &dummy, message+s, FALSE);
9131 DrawPosition(TRUE, boards[0]);
9132 CopyBoard(initialPosition, boards[0]);
9133 startedFromSetupPosition = TRUE;
9136 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
9137 ChessSquare piece = WhitePawn;
9138 char *p=message+6, *q, *s = SUFFIXES, ID = *p;
9139 if(*p == '+') piece = CHUPROMOTED(WhitePawn), ID = *++p;
9140 if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
9141 piece += CharToPiece(ID & 255) - WhitePawn;
9142 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
9143 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
9144 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
9145 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
9146 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
9147 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
9148 && gameInfo.variant != VariantGreat
9149 && gameInfo.variant != VariantFairy ) return;
9150 if(piece < EmptySquare) {
9152 ASSIGN(pieceDesc[piece], buf1);
9153 if((ID & 32) == 0 && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
9157 if(sscanf(message, "choice %s", promoRestrict) == 1 && promoSweep != EmptySquare) {
9158 promoSweep = CharToPiece(currentMove&1 ? ToLower(*promoRestrict) : ToUpper(*promoRestrict));
9162 /* [HGM] Allow engine to set up a position. Don't ask me why one would
9163 * want this, I was asked to put it in, and obliged.
9165 if (!strncmp(message, "setboard ", 9)) {
9166 Board initial_position;
9168 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
9170 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
9171 DisplayError(_("Bad FEN received from engine"), 0);
9175 CopyBoard(boards[0], initial_position);
9176 initialRulePlies = FENrulePlies;
9177 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
9178 else gameMode = MachinePlaysBlack;
9179 DrawPosition(FALSE, boards[currentMove]);
9185 * Look for communication commands
9187 if (!strncmp(message, "telluser ", 9)) {
9188 if(message[9] == '\\' && message[10] == '\\')
9189 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
9191 DisplayNote(message + 9);
9194 if (!strncmp(message, "tellusererror ", 14)) {
9196 if(message[14] == '\\' && message[15] == '\\')
9197 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
9199 DisplayError(message + 14, 0);
9202 if (!strncmp(message, "tellopponent ", 13)) {
9203 if (appData.icsActive) {
9205 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
9209 DisplayNote(message + 13);
9213 if (!strncmp(message, "tellothers ", 11)) {
9214 if (appData.icsActive) {
9216 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
9219 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
9222 if (!strncmp(message, "tellall ", 8)) {
9223 if (appData.icsActive) {
9225 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
9229 DisplayNote(message + 8);
9233 if (strncmp(message, "warning", 7) == 0) {
9234 /* Undocumented feature, use tellusererror in new code */
9235 DisplayError(message, 0);
9238 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
9239 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
9240 strcat(realname, " query");
9241 AskQuestion(realname, buf2, buf1, cps->pr);
9244 /* Commands from the engine directly to ICS. We don't allow these to be
9245 * sent until we are logged on. Crafty kibitzes have been known to
9246 * interfere with the login process.
9249 if (!strncmp(message, "tellics ", 8)) {
9250 SendToICS(message + 8);
9254 if (!strncmp(message, "tellicsnoalias ", 15)) {
9255 SendToICS(ics_prefix);
9256 SendToICS(message + 15);
9260 /* The following are for backward compatibility only */
9261 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9262 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9263 SendToICS(ics_prefix);
9269 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9270 if(initPing == cps->lastPong) {
9271 if(gameInfo.variant == VariantUnknown) {
9272 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9273 *engineVariant = NULLCHAR; appData.variant = VariantNormal; // back to normal as error recovery?
9274 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9278 if(cps->lastPing == cps->lastPong && abortEngineThink) {
9279 abortEngineThink = FALSE;
9280 DisplayMessage("", "");
9285 if(!strncmp(message, "highlight ", 10)) {
9286 if(appData.testLegality && !*engineVariant && appData.markers) return;
9287 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9290 if(!strncmp(message, "click ", 6)) {
9291 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9292 if(appData.testLegality || !appData.oneClick) return;
9293 sscanf(message+6, "%c%d%c", &f, &y, &c);
9294 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9295 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9296 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9297 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9298 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9299 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9300 LeftClick(Release, lastLeftX, lastLeftY);
9301 controlKey = (c == ',');
9302 LeftClick(Press, x, y);
9303 LeftClick(Release, x, y);
9304 first.highlight = f;
9308 * If the move is illegal, cancel it and redraw the board.
9309 * Also deal with other error cases. Matching is rather loose
9310 * here to accommodate engines written before the spec.
9312 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9313 strncmp(message, "Error", 5) == 0) {
9314 if (StrStr(message, "name") ||
9315 StrStr(message, "rating") || StrStr(message, "?") ||
9316 StrStr(message, "result") || StrStr(message, "board") ||
9317 StrStr(message, "bk") || StrStr(message, "computer") ||
9318 StrStr(message, "variant") || StrStr(message, "hint") ||
9319 StrStr(message, "random") || StrStr(message, "depth") ||
9320 StrStr(message, "accepted")) {
9323 if (StrStr(message, "protover")) {
9324 /* Program is responding to input, so it's apparently done
9325 initializing, and this error message indicates it is
9326 protocol version 1. So we don't need to wait any longer
9327 for it to initialize and send feature commands. */
9328 FeatureDone(cps, 1);
9329 cps->protocolVersion = 1;
9332 cps->maybeThinking = FALSE;
9334 if (StrStr(message, "draw")) {
9335 /* Program doesn't have "draw" command */
9336 cps->sendDrawOffers = 0;
9339 if (cps->sendTime != 1 &&
9340 (StrStr(message, "time") || StrStr(message, "otim"))) {
9341 /* Program apparently doesn't have "time" or "otim" command */
9345 if (StrStr(message, "analyze")) {
9346 cps->analysisSupport = FALSE;
9347 cps->analyzing = FALSE;
9348 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9349 EditGameEvent(); // [HGM] try to preserve loaded game
9350 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9351 DisplayError(buf2, 0);
9354 if (StrStr(message, "(no matching move)st")) {
9355 /* Special kludge for GNU Chess 4 only */
9356 cps->stKludge = TRUE;
9357 SendTimeControl(cps, movesPerSession, timeControl,
9358 timeIncrement, appData.searchDepth,
9362 if (StrStr(message, "(no matching move)sd")) {
9363 /* Special kludge for GNU Chess 4 only */
9364 cps->sdKludge = TRUE;
9365 SendTimeControl(cps, movesPerSession, timeControl,
9366 timeIncrement, appData.searchDepth,
9370 if (!StrStr(message, "llegal")) {
9373 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9374 gameMode == IcsIdle) return;
9375 if (forwardMostMove <= backwardMostMove) return;
9376 if (pausing) PauseEvent();
9377 if(appData.forceIllegal) {
9378 // [HGM] illegal: machine refused move; force position after move into it
9379 SendToProgram("force\n", cps);
9380 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9381 // we have a real problem now, as SendBoard will use the a2a3 kludge
9382 // when black is to move, while there might be nothing on a2 or black
9383 // might already have the move. So send the board as if white has the move.
9384 // But first we must change the stm of the engine, as it refused the last move
9385 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9386 if(WhiteOnMove(forwardMostMove)) {
9387 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9388 SendBoard(cps, forwardMostMove); // kludgeless board
9390 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9391 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9392 SendBoard(cps, forwardMostMove+1); // kludgeless board
9394 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9395 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9396 gameMode == TwoMachinesPlay)
9397 SendToProgram("go\n", cps);
9400 if (gameMode == PlayFromGameFile) {
9401 /* Stop reading this game file */
9402 gameMode = EditGame;
9405 /* [HGM] illegal-move claim should forfeit game when Xboard */
9406 /* only passes fully legal moves */
9407 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9408 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9409 "False illegal-move claim", GE_XBOARD );
9410 return; // do not take back move we tested as valid
9412 currentMove = forwardMostMove-1;
9413 DisplayMove(currentMove-1); /* before DisplayMoveError */
9414 SwitchClocks(forwardMostMove-1); // [HGM] race
9415 DisplayBothClocks();
9416 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9417 parseList[currentMove], _(cps->which));
9418 DisplayMoveError(buf1);
9419 DrawPosition(FALSE, boards[currentMove]);
9421 SetUserThinkingEnables();
9424 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9425 /* Program has a broken "time" command that
9426 outputs a string not ending in newline.
9430 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9431 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9432 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9436 * If chess program startup fails, exit with an error message.
9437 * Attempts to recover here are futile. [HGM] Well, we try anyway
9439 if ((StrStr(message, "unknown host") != NULL)
9440 || (StrStr(message, "No remote directory") != NULL)
9441 || (StrStr(message, "not found") != NULL)
9442 || (StrStr(message, "No such file") != NULL)
9443 || (StrStr(message, "can't alloc") != NULL)
9444 || (StrStr(message, "Permission denied") != NULL)) {
9446 cps->maybeThinking = FALSE;
9447 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9448 _(cps->which), cps->program, cps->host, message);
9449 RemoveInputSource(cps->isr);
9450 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9451 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9452 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9458 * Look for hint output
9460 if (sscanf(message, "Hint: %s", buf1) == 1) {
9461 if (cps == &first && hintRequested) {
9462 hintRequested = FALSE;
9463 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9464 &fromX, &fromY, &toX, &toY, &promoChar)) {
9465 (void) CoordsToAlgebraic(boards[forwardMostMove],
9466 PosFlags(forwardMostMove),
9467 fromY, fromX, toY, toX, promoChar, buf1);
9468 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9469 DisplayInformation(buf2);
9471 /* Hint move could not be parsed!? */
9472 snprintf(buf2, sizeof(buf2),
9473 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9474 buf1, _(cps->which));
9475 DisplayError(buf2, 0);
9478 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9484 * Ignore other messages if game is not in progress
9486 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9487 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9490 * look for win, lose, draw, or draw offer
9492 if (strncmp(message, "1-0", 3) == 0) {
9493 char *p, *q, *r = "";
9494 p = strchr(message, '{');
9502 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9504 } else if (strncmp(message, "0-1", 3) == 0) {
9505 char *p, *q, *r = "";
9506 p = strchr(message, '{');
9514 /* Kludge for Arasan 4.1 bug */
9515 if (strcmp(r, "Black resigns") == 0) {
9516 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9519 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9521 } else if (strncmp(message, "1/2", 3) == 0) {
9522 char *p, *q, *r = "";
9523 p = strchr(message, '{');
9532 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9535 } else if (strncmp(message, "White resign", 12) == 0) {
9536 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9538 } else if (strncmp(message, "Black resign", 12) == 0) {
9539 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9541 } else if (strncmp(message, "White matches", 13) == 0 ||
9542 strncmp(message, "Black matches", 13) == 0 ) {
9543 /* [HGM] ignore GNUShogi noises */
9545 } else if (strncmp(message, "White", 5) == 0 &&
9546 message[5] != '(' &&
9547 StrStr(message, "Black") == NULL) {
9548 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9550 } else if (strncmp(message, "Black", 5) == 0 &&
9551 message[5] != '(') {
9552 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9554 } else if (strcmp(message, "resign") == 0 ||
9555 strcmp(message, "computer resigns") == 0) {
9557 case MachinePlaysBlack:
9558 case IcsPlayingBlack:
9559 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9561 case MachinePlaysWhite:
9562 case IcsPlayingWhite:
9563 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9565 case TwoMachinesPlay:
9566 if (cps->twoMachinesColor[0] == 'w')
9567 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9569 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9576 } else if (strncmp(message, "opponent mates", 14) == 0) {
9578 case MachinePlaysBlack:
9579 case IcsPlayingBlack:
9580 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9582 case MachinePlaysWhite:
9583 case IcsPlayingWhite:
9584 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9586 case TwoMachinesPlay:
9587 if (cps->twoMachinesColor[0] == 'w')
9588 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9590 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9597 } else if (strncmp(message, "computer mates", 14) == 0) {
9599 case MachinePlaysBlack:
9600 case IcsPlayingBlack:
9601 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9603 case MachinePlaysWhite:
9604 case IcsPlayingWhite:
9605 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9607 case TwoMachinesPlay:
9608 if (cps->twoMachinesColor[0] == 'w')
9609 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9611 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9618 } else if (strncmp(message, "checkmate", 9) == 0) {
9619 if (WhiteOnMove(forwardMostMove)) {
9620 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9622 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9625 } else if (strstr(message, "Draw") != NULL ||
9626 strstr(message, "game is a draw") != NULL) {
9627 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9629 } else if (strstr(message, "offer") != NULL &&
9630 strstr(message, "draw") != NULL) {
9632 if (appData.zippyPlay && first.initDone) {
9633 /* Relay offer to ICS */
9634 SendToICS(ics_prefix);
9635 SendToICS("draw\n");
9638 cps->offeredDraw = 2; /* valid until this engine moves twice */
9639 if (gameMode == TwoMachinesPlay) {
9640 if (cps->other->offeredDraw) {
9641 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9642 /* [HGM] in two-machine mode we delay relaying draw offer */
9643 /* until after we also have move, to see if it is really claim */
9645 } else if (gameMode == MachinePlaysWhite ||
9646 gameMode == MachinePlaysBlack) {
9647 if (userOfferedDraw) {
9648 DisplayInformation(_("Machine accepts your draw offer"));
9649 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9651 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9658 * Look for thinking output
9660 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9661 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9663 int plylev, mvleft, mvtot, curscore, time;
9664 char mvname[MOVE_LEN];
9668 int prefixHint = FALSE;
9669 mvname[0] = NULLCHAR;
9672 case MachinePlaysBlack:
9673 case IcsPlayingBlack:
9674 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9676 case MachinePlaysWhite:
9677 case IcsPlayingWhite:
9678 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9683 case IcsObserving: /* [DM] icsEngineAnalyze */
9684 if (!appData.icsEngineAnalyze) ignore = TRUE;
9686 case TwoMachinesPlay:
9687 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9697 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9700 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9701 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9702 char score_buf[MSG_SIZ];
9704 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9705 nodes += u64Const(0x100000000);
9707 if (plyext != ' ' && plyext != '\t') {
9711 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9712 if( cps->scoreIsAbsolute &&
9713 ( gameMode == MachinePlaysBlack ||
9714 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9715 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9716 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9717 !WhiteOnMove(currentMove)
9720 curscore = -curscore;
9723 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9725 if(*bestMove) { // rememer time best EPD move was first found
9726 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9727 ChessMove mt; char *p = bestMove;
9728 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9730 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9731 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9732 solvingTime = (solvingTime < 0 ? time : solvingTime);
9736 while(*p && *p != ' ') p++;
9737 while(*p == ' ') p++;
9739 if(!solved) solvingTime = -1;
9741 if(*avoidMove && !solved) {
9742 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9743 ChessMove mt; char *p = avoidMove, solved = 1;
9744 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9745 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9746 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9747 solved = 0; solvingTime = -2;
9750 while(*p && *p != ' ') p++;
9751 while(*p == ' ') p++;
9753 if(solved && !*bestMove) solvingTime = (solvingTime < 0 ? time : solvingTime);
9756 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9759 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9760 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9761 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9762 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9763 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9764 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9768 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9769 DisplayError(_("failed writing PV"), 0);
9772 tempStats.depth = plylev;
9773 tempStats.nodes = nodes;
9774 tempStats.time = time;
9775 tempStats.score = curscore;
9776 tempStats.got_only_move = 0;
9778 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9781 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9782 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9783 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9784 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9785 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9786 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9787 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9788 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9791 /* Buffer overflow protection */
9792 if (pv[0] != NULLCHAR) {
9793 if (strlen(pv) >= sizeof(tempStats.movelist)
9794 && appData.debugMode) {
9796 "PV is too long; using the first %u bytes.\n",
9797 (unsigned) sizeof(tempStats.movelist) - 1);
9800 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9802 sprintf(tempStats.movelist, " no PV\n");
9805 if (tempStats.seen_stat) {
9806 tempStats.ok_to_send = 1;
9809 if (strchr(tempStats.movelist, '(') != NULL) {
9810 tempStats.line_is_book = 1;
9811 tempStats.nr_moves = 0;
9812 tempStats.moves_left = 0;
9814 tempStats.line_is_book = 0;
9817 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9818 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9820 SendProgramStatsToFrontend( cps, &tempStats );
9823 [AS] Protect the thinkOutput buffer from overflow... this
9824 is only useful if buf1 hasn't overflowed first!
9826 if((gameMode == AnalyzeMode && appData.whitePOV || appData.scoreWhite) && !WhiteOnMove(forwardMostMove)) curscore *= -1;
9827 if(curscore >= MATE_SCORE)
9828 snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
9829 else if(curscore <= -MATE_SCORE)
9830 snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
9832 snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
9833 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
9835 (gameMode == TwoMachinesPlay ?
9836 ToUpper(cps->twoMachinesColor[0]) : ' '),
9838 prefixHint ? lastHint : "",
9839 prefixHint ? " " : "" );
9841 if( buf1[0] != NULLCHAR ) {
9842 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9844 if( strlen(pv) > max_len ) {
9845 if( appData.debugMode) {
9846 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9848 pv[max_len+1] = '\0';
9851 strcat( thinkOutput, pv);
9854 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9855 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9856 DisplayMove(currentMove - 1);
9860 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9861 /* crafty (9.25+) says "(only move) <move>"
9862 * if there is only 1 legal move
9864 sscanf(p, "(only move) %s", buf1);
9865 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9866 sprintf(programStats.movelist, "%s (only move)", buf1);
9867 programStats.depth = 1;
9868 programStats.nr_moves = 1;
9869 programStats.moves_left = 1;
9870 programStats.nodes = 1;
9871 programStats.time = 1;
9872 programStats.got_only_move = 1;
9874 /* Not really, but we also use this member to
9875 mean "line isn't going to change" (Crafty
9876 isn't searching, so stats won't change) */
9877 programStats.line_is_book = 1;
9879 SendProgramStatsToFrontend( cps, &programStats );
9881 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9882 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9883 DisplayMove(currentMove - 1);
9886 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9887 &time, &nodes, &plylev, &mvleft,
9888 &mvtot, mvname) >= 5) {
9889 /* The stat01: line is from Crafty (9.29+) in response
9890 to the "." command */
9891 programStats.seen_stat = 1;
9892 cps->maybeThinking = TRUE;
9894 if (programStats.got_only_move || !appData.periodicUpdates)
9897 programStats.depth = plylev;
9898 programStats.time = time;
9899 programStats.nodes = nodes;
9900 programStats.moves_left = mvleft;
9901 programStats.nr_moves = mvtot;
9902 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9903 programStats.ok_to_send = 1;
9904 programStats.movelist[0] = '\0';
9906 SendProgramStatsToFrontend( cps, &programStats );
9910 } else if (strncmp(message,"++",2) == 0) {
9911 /* Crafty 9.29+ outputs this */
9912 programStats.got_fail = 2;
9915 } else if (strncmp(message,"--",2) == 0) {
9916 /* Crafty 9.29+ outputs this */
9917 programStats.got_fail = 1;
9920 } else if (thinkOutput[0] != NULLCHAR &&
9921 strncmp(message, " ", 4) == 0) {
9922 unsigned message_len;
9925 while (*p && *p == ' ') p++;
9927 message_len = strlen( p );
9929 /* [AS] Avoid buffer overflow */
9930 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9931 strcat(thinkOutput, " ");
9932 strcat(thinkOutput, p);
9935 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9936 strcat(programStats.movelist, " ");
9937 strcat(programStats.movelist, p);
9940 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9941 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9942 DisplayMove(currentMove - 1);
9950 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9951 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9953 ChessProgramStats cpstats;
9955 if (plyext != ' ' && plyext != '\t') {
9959 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9960 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9961 curscore = -curscore;
9964 cpstats.depth = plylev;
9965 cpstats.nodes = nodes;
9966 cpstats.time = time;
9967 cpstats.score = curscore;
9968 cpstats.got_only_move = 0;
9969 cpstats.movelist[0] = '\0';
9971 if (buf1[0] != NULLCHAR) {
9972 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9975 cpstats.ok_to_send = 0;
9976 cpstats.line_is_book = 0;
9977 cpstats.nr_moves = 0;
9978 cpstats.moves_left = 0;
9980 SendProgramStatsToFrontend( cps, &cpstats );
9987 /* Parse a game score from the character string "game", and
9988 record it as the history of the current game. The game
9989 score is NOT assumed to start from the standard position.
9990 The display is not updated in any way.
9993 ParseGameHistory (char *game)
9996 int fromX, fromY, toX, toY, boardIndex;
10001 if (appData.debugMode)
10002 fprintf(debugFP, "Parsing game history: %s\n", game);
10004 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
10005 gameInfo.site = StrSave(appData.icsHost);
10006 gameInfo.date = PGNDate();
10007 gameInfo.round = StrSave("-");
10009 /* Parse out names of players */
10010 while (*game == ' ') game++;
10012 while (*game != ' ') *p++ = *game++;
10014 gameInfo.white = StrSave(buf);
10015 while (*game == ' ') game++;
10017 while (*game != ' ' && *game != '\n') *p++ = *game++;
10019 gameInfo.black = StrSave(buf);
10022 boardIndex = blackPlaysFirst ? 1 : 0;
10025 yyboardindex = boardIndex;
10026 moveType = (ChessMove) Myylex();
10027 switch (moveType) {
10028 case IllegalMove: /* maybe suicide chess, etc. */
10029 if (appData.debugMode) {
10030 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
10031 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10032 setbuf(debugFP, NULL);
10034 case WhitePromotion:
10035 case BlackPromotion:
10036 case WhiteNonPromotion:
10037 case BlackNonPromotion:
10040 case WhiteCapturesEnPassant:
10041 case BlackCapturesEnPassant:
10042 case WhiteKingSideCastle:
10043 case WhiteQueenSideCastle:
10044 case BlackKingSideCastle:
10045 case BlackQueenSideCastle:
10046 case WhiteKingSideCastleWild:
10047 case WhiteQueenSideCastleWild:
10048 case BlackKingSideCastleWild:
10049 case BlackQueenSideCastleWild:
10051 case WhiteHSideCastleFR:
10052 case WhiteASideCastleFR:
10053 case BlackHSideCastleFR:
10054 case BlackASideCastleFR:
10056 fromX = currentMoveString[0] - AAA;
10057 fromY = currentMoveString[1] - ONE;
10058 toX = currentMoveString[2] - AAA;
10059 toY = currentMoveString[3] - ONE;
10060 promoChar = currentMoveString[4];
10064 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
10065 fromX = moveType == WhiteDrop ?
10066 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10067 (int) CharToPiece(ToLower(currentMoveString[0]));
10069 toX = currentMoveString[2] - AAA;
10070 toY = currentMoveString[3] - ONE;
10071 promoChar = NULLCHAR;
10073 case AmbiguousMove:
10075 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
10076 if (appData.debugMode) {
10077 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
10078 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10079 setbuf(debugFP, NULL);
10081 DisplayError(buf, 0);
10083 case ImpossibleMove:
10085 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
10086 if (appData.debugMode) {
10087 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
10088 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10089 setbuf(debugFP, NULL);
10091 DisplayError(buf, 0);
10094 if (boardIndex < backwardMostMove) {
10095 /* Oops, gap. How did that happen? */
10096 DisplayError(_("Gap in move list"), 0);
10099 backwardMostMove = blackPlaysFirst ? 1 : 0;
10100 if (boardIndex > forwardMostMove) {
10101 forwardMostMove = boardIndex;
10105 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
10106 strcat(parseList[boardIndex-1], " ");
10107 strcat(parseList[boardIndex-1], yy_text);
10119 case GameUnfinished:
10120 if (gameMode == IcsExamining) {
10121 if (boardIndex < backwardMostMove) {
10122 /* Oops, gap. How did that happen? */
10125 backwardMostMove = blackPlaysFirst ? 1 : 0;
10128 gameInfo.result = moveType;
10129 p = strchr(yy_text, '{');
10130 if (p == NULL) p = strchr(yy_text, '(');
10133 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10135 q = strchr(p, *p == '{' ? '}' : ')');
10136 if (q != NULL) *q = NULLCHAR;
10139 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10140 gameInfo.resultDetails = StrSave(p);
10143 if (boardIndex >= forwardMostMove &&
10144 !(gameMode == IcsObserving && ics_gamenum == -1)) {
10145 backwardMostMove = blackPlaysFirst ? 1 : 0;
10148 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
10149 fromY, fromX, toY, toX, promoChar,
10150 parseList[boardIndex]);
10151 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
10152 /* currentMoveString is set as a side-effect of yylex */
10153 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
10154 strcat(moveList[boardIndex], "\n");
10156 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
10157 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
10163 if(!IS_SHOGI(gameInfo.variant))
10164 strcat(parseList[boardIndex - 1], "+");
10168 strcat(parseList[boardIndex - 1], "#");
10175 /* Apply a move to the given board */
10177 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
10179 ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, berolina = 0;
10180 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
10182 /* [HGM] compute & store e.p. status and castling rights for new position */
10183 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
10185 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
10186 oldEP = (signed char)board[EP_FILE]; epRank = board[EP_RANK];
10187 board[EP_STATUS] = EP_NONE;
10188 board[EP_FILE] = board[EP_RANK] = 100;
10190 if (fromY == DROP_RANK) {
10191 /* must be first */
10192 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
10193 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
10196 piece = board[toY][toX] = (ChessSquare) fromX;
10198 // ChessSquare victim;
10201 if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
10202 // victim = board[killY][killX],
10203 killed = board[killY][killX],
10204 board[killY][killX] = EmptySquare,
10205 board[EP_STATUS] = EP_CAPTURE;
10206 if( kill2X >= 0 && kill2Y >= 0)
10207 killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
10210 if( board[toY][toX] != EmptySquare ) {
10211 board[EP_STATUS] = EP_CAPTURE;
10212 if( (fromX != toX || fromY != toY) && // not igui!
10213 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
10214 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
10215 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
10219 pawn = board[fromY][fromX];
10220 if( pawn == WhiteLance || pawn == BlackLance ) {
10221 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
10222 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
10223 else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
10226 if( pawn == WhitePawn ) {
10227 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10228 board[EP_STATUS] = EP_PAWN_MOVE;
10229 if( toY-fromY>=2) {
10230 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
10231 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
10232 gameInfo.variant != VariantBerolina || toX < fromX)
10233 board[EP_STATUS] = toX | berolina;
10234 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
10235 gameInfo.variant != VariantBerolina || toX > fromX)
10236 board[EP_STATUS] = toX;
10239 if( pawn == BlackPawn ) {
10240 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10241 board[EP_STATUS] = EP_PAWN_MOVE;
10242 if( toY-fromY<= -2) {
10243 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
10244 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10245 gameInfo.variant != VariantBerolina || toX < fromX)
10246 board[EP_STATUS] = toX | berolina;
10247 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10248 gameInfo.variant != VariantBerolina || toX > fromX)
10249 board[EP_STATUS] = toX;
10253 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10254 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10255 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10256 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10258 for(i=0; i<nrCastlingRights; i++) {
10259 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10260 board[CASTLING][i] == toX && castlingRank[i] == toY
10261 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10264 if(gameInfo.variant == VariantSChess) { // update virginity
10265 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10266 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10267 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10268 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10271 if (fromX == toX && fromY == toY && killX < 0) return;
10273 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10274 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10275 if(gameInfo.variant == VariantKnightmate)
10276 king += (int) WhiteUnicorn - (int) WhiteKing;
10278 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10279 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10280 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10281 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10282 board[EP_STATUS] = EP_NONE; // capture was fake!
10284 if(nrCastlingRights == 0 && board[toY][toX] < EmptySquare && (piece < BlackPawn) == (board[toY][toX] < BlackPawn)) {
10285 board[fromY][fromX] = board[toY][toX]; // capture own will lead to swapping
10286 board[toY][toX] = piece;
10287 board[EP_STATUS] = EP_NONE; // capture was fake!
10289 /* Code added by Tord: */
10290 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10291 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10292 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10293 board[EP_STATUS] = EP_NONE; // capture was fake!
10294 board[fromY][fromX] = EmptySquare;
10295 board[toY][toX] = EmptySquare;
10296 if((toX > fromX) != (piece == WhiteRook)) {
10297 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10299 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10301 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10302 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10303 board[EP_STATUS] = EP_NONE;
10304 board[fromY][fromX] = EmptySquare;
10305 board[toY][toX] = EmptySquare;
10306 if((toX > fromX) != (piece == BlackRook)) {
10307 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10309 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10311 /* End of code added by Tord */
10313 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10314 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10315 board[toY][toX] = piece;
10316 } else if (board[fromY][fromX] == king
10317 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10318 && toY == fromY && toX > fromX+1) {
10319 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++); // castle with nearest piece
10320 board[fromY][toX-1] = board[fromY][rookX];
10321 board[fromY][rookX] = EmptySquare;
10322 board[fromY][fromX] = EmptySquare;
10323 board[toY][toX] = king;
10324 } else if (board[fromY][fromX] == king
10325 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10326 && toY == fromY && toX < fromX-1) {
10327 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--); // castle with nearest piece
10328 board[fromY][toX+1] = board[fromY][rookX];
10329 board[fromY][rookX] = EmptySquare;
10330 board[fromY][fromX] = EmptySquare;
10331 board[toY][toX] = king;
10332 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10333 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10334 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10336 /* white pawn promotion */
10337 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10338 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10339 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10340 board[fromY][fromX] = EmptySquare;
10341 } else if ((fromY >= BOARD_HEIGHT>>1)
10342 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10344 && gameInfo.variant != VariantXiangqi
10345 && gameInfo.variant != VariantBerolina
10346 && (pawn == WhitePawn)
10347 && (board[toY][toX] == EmptySquare)) {
10348 board[fromY][fromX] = EmptySquare;
10349 board[toY][toX] = piece;
10350 if(toY == epRank - 128 + 1)
10351 captured = board[toY - 2][toX], board[toY - 2][toX] = EmptySquare;
10353 captured = board[toY - 1][toX], board[toY - 1][toX] = EmptySquare;
10354 } else if ((fromY == BOARD_HEIGHT-4)
10356 && gameInfo.variant == VariantBerolina
10357 && (board[fromY][fromX] == WhitePawn)
10358 && (board[toY][toX] == EmptySquare)) {
10359 board[fromY][fromX] = EmptySquare;
10360 board[toY][toX] = WhitePawn;
10361 if(oldEP & EP_BEROLIN_A) {
10362 captured = board[fromY][fromX-1];
10363 board[fromY][fromX-1] = EmptySquare;
10364 }else{ captured = board[fromY][fromX+1];
10365 board[fromY][fromX+1] = EmptySquare;
10367 } else if (board[fromY][fromX] == king
10368 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10369 && toY == fromY && toX > fromX+1) {
10370 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++);
10371 board[fromY][toX-1] = board[fromY][rookX];
10372 board[fromY][rookX] = EmptySquare;
10373 board[fromY][fromX] = EmptySquare;
10374 board[toY][toX] = king;
10375 } else if (board[fromY][fromX] == king
10376 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10377 && toY == fromY && toX < fromX-1) {
10378 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--);
10379 board[fromY][toX+1] = board[fromY][rookX];
10380 board[fromY][rookX] = EmptySquare;
10381 board[fromY][fromX] = EmptySquare;
10382 board[toY][toX] = king;
10383 } else if (fromY == 7 && fromX == 3
10384 && board[fromY][fromX] == BlackKing
10385 && toY == 7 && toX == 5) {
10386 board[fromY][fromX] = EmptySquare;
10387 board[toY][toX] = BlackKing;
10388 board[fromY][7] = EmptySquare;
10389 board[toY][4] = BlackRook;
10390 } else if (fromY == 7 && fromX == 3
10391 && board[fromY][fromX] == BlackKing
10392 && toY == 7 && toX == 1) {
10393 board[fromY][fromX] = EmptySquare;
10394 board[toY][toX] = BlackKing;
10395 board[fromY][0] = EmptySquare;
10396 board[toY][2] = BlackRook;
10397 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10398 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10399 && toY < promoRank && promoChar
10401 /* black pawn promotion */
10402 board[toY][toX] = CharToPiece(ToLower(promoChar));
10403 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10404 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10405 board[fromY][fromX] = EmptySquare;
10406 } else if ((fromY < BOARD_HEIGHT>>1)
10407 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10409 && gameInfo.variant != VariantXiangqi
10410 && gameInfo.variant != VariantBerolina
10411 && (pawn == BlackPawn)
10412 && (board[toY][toX] == EmptySquare)) {
10413 board[fromY][fromX] = EmptySquare;
10414 board[toY][toX] = piece;
10415 if(toY == epRank - 128 - 1)
10416 captured = board[toY + 2][toX], board[toY + 2][toX] = EmptySquare;
10418 captured = board[toY + 1][toX], board[toY + 1][toX] = EmptySquare;
10419 } else if ((fromY == 3)
10421 && gameInfo.variant == VariantBerolina
10422 && (board[fromY][fromX] == BlackPawn)
10423 && (board[toY][toX] == EmptySquare)) {
10424 board[fromY][fromX] = EmptySquare;
10425 board[toY][toX] = BlackPawn;
10426 if(oldEP & EP_BEROLIN_A) {
10427 captured = board[fromY][fromX-1];
10428 board[fromY][fromX-1] = EmptySquare;
10429 }else{ captured = board[fromY][fromX+1];
10430 board[fromY][fromX+1] = EmptySquare;
10433 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10434 board[fromY][fromX] = EmptySquare;
10435 board[toY][toX] = piece;
10439 if (gameInfo.holdingsWidth != 0) {
10441 /* !!A lot more code needs to be written to support holdings */
10442 /* [HGM] OK, so I have written it. Holdings are stored in the */
10443 /* penultimate board files, so they are automaticlly stored */
10444 /* in the game history. */
10445 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10446 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10447 /* Delete from holdings, by decreasing count */
10448 /* and erasing image if necessary */
10449 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10450 if(p < (int) BlackPawn) { /* white drop */
10451 p -= (int)WhitePawn;
10452 p = PieceToNumber((ChessSquare)p);
10453 if(p >= gameInfo.holdingsSize) p = 0;
10454 if(--board[p][BOARD_WIDTH-2] <= 0)
10455 board[p][BOARD_WIDTH-1] = EmptySquare;
10456 if((int)board[p][BOARD_WIDTH-2] < 0)
10457 board[p][BOARD_WIDTH-2] = 0;
10458 } else { /* black drop */
10459 p -= (int)BlackPawn;
10460 p = PieceToNumber((ChessSquare)p);
10461 if(p >= gameInfo.holdingsSize) p = 0;
10462 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10463 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10464 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10465 board[BOARD_HEIGHT-1-p][1] = 0;
10468 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10469 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10470 /* [HGM] holdings: Add to holdings, if holdings exist */
10471 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10472 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10473 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10475 p = (int) captured;
10476 if (p >= (int) BlackPawn) {
10477 p -= (int)BlackPawn;
10478 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10479 /* Restore shogi-promoted piece to its original first */
10480 captured = (ChessSquare) (DEMOTED(captured));
10483 p = PieceToNumber((ChessSquare)p);
10484 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10485 board[p][BOARD_WIDTH-2]++;
10486 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10488 p -= (int)WhitePawn;
10489 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10490 captured = (ChessSquare) (DEMOTED(captured));
10493 p = PieceToNumber((ChessSquare)p);
10494 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10495 board[BOARD_HEIGHT-1-p][1]++;
10496 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10499 } else if (gameInfo.variant == VariantAtomic) {
10500 if (captured != EmptySquare) {
10502 for (y = toY-1; y <= toY+1; y++) {
10503 for (x = toX-1; x <= toX+1; x++) {
10504 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10505 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10506 board[y][x] = EmptySquare;
10510 board[toY][toX] = EmptySquare;
10514 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10515 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10517 if(promoChar == '+') {
10518 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10519 board[toY][toX] = (ChessSquare) (CHUPROMOTED(piece));
10520 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10521 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10522 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10523 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10524 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10525 && pieceToChar[PROMOTED(newPiece)] == '~') newPiece = PROMOTED(newPiece);// but promoted version available
10526 board[toY][toX] = newPiece;
10528 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10529 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10530 // [HGM] superchess: take promotion piece out of holdings
10531 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10532 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10533 if(!--board[k][BOARD_WIDTH-2])
10534 board[k][BOARD_WIDTH-1] = EmptySquare;
10536 if(!--board[BOARD_HEIGHT-1-k][1])
10537 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10542 /* Updates forwardMostMove */
10544 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10546 int x = toX, y = toY;
10547 char *s = parseList[forwardMostMove];
10548 ChessSquare p = boards[forwardMostMove][toY][toX];
10549 // forwardMostMove++; // [HGM] bare: moved downstream
10551 if(kill2X >= 0) x = kill2X, y = kill2Y; else
10552 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10553 (void) CoordsToAlgebraic(boards[forwardMostMove],
10554 PosFlags(forwardMostMove),
10555 fromY, fromX, y, x, (killX < 0)*promoChar,
10557 if(kill2X >= 0 && kill2Y >= 0)
10558 sprintf(s + strlen(s), "x%c%d", killX + AAA, killY + ONE - '0'); // 2nd leg of 3-leg move is always capture
10559 if(killX >= 0 && killY >= 0)
10560 sprintf(s + strlen(s), "%c%c%d%c", p == EmptySquare || toX == fromX && toY == fromY || toX== kill2X && toY == kill2Y ? '-' : 'x',
10561 toX + AAA, toY + ONE - '0', promoChar);
10563 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10564 int timeLeft; static int lastLoadFlag=0; int king, piece;
10565 piece = boards[forwardMostMove][fromY][fromX];
10566 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10567 if(gameInfo.variant == VariantKnightmate)
10568 king += (int) WhiteUnicorn - (int) WhiteKing;
10569 if(forwardMostMove == 0) {
10570 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10571 fprintf(serverMoves, "%s;", UserName());
10572 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10573 fprintf(serverMoves, "%s;", second.tidy);
10574 fprintf(serverMoves, "%s;", first.tidy);
10575 if(gameMode == MachinePlaysWhite)
10576 fprintf(serverMoves, "%s;", UserName());
10577 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10578 fprintf(serverMoves, "%s;", second.tidy);
10579 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10580 lastLoadFlag = loadFlag;
10582 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10583 // print castling suffix
10584 if( toY == fromY && piece == king ) {
10586 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10588 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10591 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10592 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10593 boards[forwardMostMove][toY][toX] == EmptySquare
10594 && fromX != toX && fromY != toY)
10595 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10596 // promotion suffix
10597 if(promoChar != NULLCHAR) {
10598 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10599 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10600 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10601 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10604 char buf[MOVE_LEN*2], *p; int len;
10605 fprintf(serverMoves, "/%d/%d",
10606 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10607 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10608 else timeLeft = blackTimeRemaining/1000;
10609 fprintf(serverMoves, "/%d", timeLeft);
10610 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10611 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10612 if(p = strchr(buf, '=')) *p = NULLCHAR;
10613 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10614 fprintf(serverMoves, "/%s", buf);
10616 fflush(serverMoves);
10619 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10620 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10623 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10624 if (commentList[forwardMostMove+1] != NULL) {
10625 free(commentList[forwardMostMove+1]);
10626 commentList[forwardMostMove+1] = NULL;
10628 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10629 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10630 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10631 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10632 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10633 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10634 adjustedClock = FALSE;
10635 gameInfo.result = GameUnfinished;
10636 if (gameInfo.resultDetails != NULL) {
10637 free(gameInfo.resultDetails);
10638 gameInfo.resultDetails = NULL;
10640 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10641 moveList[forwardMostMove - 1]);
10642 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10648 if(!IS_SHOGI(gameInfo.variant))
10649 strcat(parseList[forwardMostMove - 1], "+");
10653 strcat(parseList[forwardMostMove - 1], "#");
10658 /* Updates currentMove if not pausing */
10660 ShowMove (int fromX, int fromY, int toX, int toY)
10662 int instant = (gameMode == PlayFromGameFile) ?
10663 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10664 if(appData.noGUI) return;
10665 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10667 if (forwardMostMove == currentMove + 1) {
10668 AnimateMove(boards[forwardMostMove - 1],
10669 fromX, fromY, toX, toY);
10672 currentMove = forwardMostMove;
10675 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
10677 if (instant) return;
10679 DisplayMove(currentMove - 1);
10680 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10681 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10682 SetHighlights(fromX, fromY, toX, toY);
10685 DrawPosition(FALSE, boards[currentMove]);
10686 DisplayBothClocks();
10687 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10691 SendEgtPath (ChessProgramState *cps)
10692 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10693 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10695 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10698 char c, *q = name+1, *r, *s;
10700 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10701 while(*p && *p != ',') *q++ = *p++;
10702 *q++ = ':'; *q = 0;
10703 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10704 strcmp(name, ",nalimov:") == 0 ) {
10705 // take nalimov path from the menu-changeable option first, if it is defined
10706 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10707 SendToProgram(buf,cps); // send egtbpath command for nalimov
10709 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10710 (s = StrStr(appData.egtFormats, name)) != NULL) {
10711 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10712 s = r = StrStr(s, ":") + 1; // beginning of path info
10713 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10714 c = *r; *r = 0; // temporarily null-terminate path info
10715 *--q = 0; // strip of trailig ':' from name
10716 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10718 SendToProgram(buf,cps); // send egtbpath command for this format
10720 if(*p == ',') p++; // read away comma to position for next format name
10725 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10727 int width = 8, height = 8, holdings = 0; // most common sizes
10728 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10729 // correct the deviations default for each variant
10730 if( v == VariantXiangqi ) width = 9, height = 10;
10731 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10732 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10733 if( v == VariantCapablanca || v == VariantCapaRandom ||
10734 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10736 if( v == VariantCourier ) width = 12;
10737 if( v == VariantSuper ) holdings = 8;
10738 if( v == VariantGreat ) width = 10, holdings = 8;
10739 if( v == VariantSChess ) holdings = 7;
10740 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10741 if( v == VariantChuChess) width = 10, height = 10;
10742 if( v == VariantChu ) width = 12, height = 12;
10743 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10744 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10745 holdingsSize >= 0 && holdingsSize != holdings;
10748 char variantError[MSG_SIZ];
10751 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10752 { // returns error message (recognizable by upper-case) if engine does not support the variant
10753 char *p, *variant = VariantName(v);
10754 static char b[MSG_SIZ];
10755 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10756 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10757 holdingsSize, variant); // cook up sized variant name
10758 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10759 if(StrStr(list, b) == NULL) {
10760 // specific sized variant not known, check if general sizing allowed
10761 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10762 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10763 boardWidth, boardHeight, holdingsSize, engine);
10766 /* [HGM] here we really should compare with the maximum supported board size */
10768 } else snprintf(b, MSG_SIZ,"%s", variant);
10769 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10770 p = StrStr(list, b);
10771 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10773 // occurs not at all in list, or only as sub-string
10774 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10775 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10776 int l = strlen(variantError);
10778 while(p != list && p[-1] != ',') p--;
10779 q = strchr(p, ',');
10780 if(q) *q = NULLCHAR;
10781 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10790 InitChessProgram (ChessProgramState *cps, int setup)
10791 /* setup needed to setup FRC opening position */
10793 char buf[MSG_SIZ], *b;
10794 if (appData.noChessProgram) return;
10795 hintRequested = FALSE;
10796 bookRequested = FALSE;
10798 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10799 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10800 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10801 if(cps->memSize) { /* [HGM] memory */
10802 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10803 SendToProgram(buf, cps);
10805 SendEgtPath(cps); /* [HGM] EGT */
10806 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10807 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10808 SendToProgram(buf, cps);
10811 setboardSpoiledMachineBlack = FALSE;
10812 SendToProgram(cps->initString, cps);
10813 if (gameInfo.variant != VariantNormal &&
10814 gameInfo.variant != VariantLoadable
10815 /* [HGM] also send variant if board size non-standard */
10816 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10818 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10819 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10823 char c, *q = cps->variants, *p = strchr(q, ',');
10824 if(p) *p = NULLCHAR;
10825 v = StringToVariant(q);
10826 DisplayError(variantError, 0);
10827 if(v != VariantUnknown && cps == &first) {
10829 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10830 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10831 ASSIGN(appData.variant, q);
10832 Reset(TRUE, FALSE);
10838 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10839 SendToProgram(buf, cps);
10841 currentlyInitializedVariant = gameInfo.variant;
10843 /* [HGM] send opening position in FRC to first engine */
10845 SendToProgram("force\n", cps);
10847 /* engine is now in force mode! Set flag to wake it up after first move. */
10848 setboardSpoiledMachineBlack = 1;
10851 if (cps->sendICS) {
10852 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10853 SendToProgram(buf, cps);
10855 cps->maybeThinking = FALSE;
10856 cps->offeredDraw = 0;
10857 if (!appData.icsActive) {
10858 SendTimeControl(cps, movesPerSession, timeControl,
10859 timeIncrement, appData.searchDepth,
10862 if (appData.showThinking
10863 // [HGM] thinking: four options require thinking output to be sent
10864 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10866 SendToProgram("post\n", cps);
10868 SendToProgram("hard\n", cps);
10869 if (!appData.ponderNextMove) {
10870 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10871 it without being sure what state we are in first. "hard"
10872 is not a toggle, so that one is OK.
10874 SendToProgram("easy\n", cps);
10876 if (cps->usePing) {
10877 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10878 SendToProgram(buf, cps);
10880 cps->initDone = TRUE;
10881 ClearEngineOutputPane(cps == &second);
10886 ResendOptions (ChessProgramState *cps)
10887 { // send the stored value of the options
10890 Option *opt = cps->option;
10891 for(i=0; i<cps->nrOptions; i++, opt++) {
10892 switch(opt->type) {
10896 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10899 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10902 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10908 SendToProgram(buf, cps);
10913 StartChessProgram (ChessProgramState *cps)
10918 if (appData.noChessProgram) return;
10919 cps->initDone = FALSE;
10921 if (strcmp(cps->host, "localhost") == 0) {
10922 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10923 } else if (*appData.remoteShell == NULLCHAR) {
10924 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10926 if (*appData.remoteUser == NULLCHAR) {
10927 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10930 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10931 cps->host, appData.remoteUser, cps->program);
10933 err = StartChildProcess(buf, "", &cps->pr);
10937 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10938 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10939 if(cps != &first) return;
10940 appData.noChessProgram = TRUE;
10943 // DisplayFatalError(buf, err, 1);
10944 // cps->pr = NoProc;
10945 // cps->isr = NULL;
10949 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10950 if (cps->protocolVersion > 1) {
10951 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10952 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10953 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10954 cps->comboCnt = 0; // and values of combo boxes
10956 SendToProgram(buf, cps);
10957 if(cps->reload) ResendOptions(cps);
10959 SendToProgram("xboard\n", cps);
10964 TwoMachinesEventIfReady P((void))
10966 static int curMess = 0;
10967 if (first.lastPing != first.lastPong) {
10968 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10969 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10972 if (second.lastPing != second.lastPong) {
10973 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10974 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10977 DisplayMessage("", ""); curMess = 0;
10978 TwoMachinesEvent();
10982 MakeName (char *template)
10986 static char buf[MSG_SIZ];
10990 clock = time((time_t *)NULL);
10991 tm = localtime(&clock);
10993 while(*p++ = *template++) if(p[-1] == '%') {
10994 switch(*template++) {
10995 case 0: *p = 0; return buf;
10996 case 'Y': i = tm->tm_year+1900; break;
10997 case 'y': i = tm->tm_year-100; break;
10998 case 'M': i = tm->tm_mon+1; break;
10999 case 'd': i = tm->tm_mday; break;
11000 case 'h': i = tm->tm_hour; break;
11001 case 'm': i = tm->tm_min; break;
11002 case 's': i = tm->tm_sec; break;
11005 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
11011 CountPlayers (char *p)
11014 while(p = strchr(p, '\n')) p++, n++; // count participants
11019 WriteTourneyFile (char *results, FILE *f)
11020 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
11021 if(f == NULL) f = fopen(appData.tourneyFile, "w");
11022 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
11023 // create a file with tournament description
11024 fprintf(f, "-participants {%s}\n", appData.participants);
11025 fprintf(f, "-seedBase %d\n", appData.seedBase);
11026 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
11027 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
11028 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
11029 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
11030 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
11031 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
11032 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
11033 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
11034 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
11035 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
11036 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
11037 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
11038 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
11039 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
11040 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
11041 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
11042 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
11043 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
11044 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
11045 fprintf(f, "-smpCores %d\n", appData.smpCores);
11047 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
11049 fprintf(f, "-mps %d\n", appData.movesPerSession);
11050 fprintf(f, "-tc %s\n", appData.timeControl);
11051 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
11053 fprintf(f, "-results \"%s\"\n", results);
11058 char *command[MAXENGINES], *mnemonic[MAXENGINES];
11061 Substitute (char *participants, int expunge)
11063 int i, changed, changes=0, nPlayers=0;
11064 char *p, *q, *r, buf[MSG_SIZ];
11065 if(participants == NULL) return;
11066 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
11067 r = p = participants; q = appData.participants;
11068 while(*p && *p == *q) {
11069 if(*p == '\n') r = p+1, nPlayers++;
11072 if(*p) { // difference
11073 while(*p && *p++ != '\n');
11074 while(*q && *q++ != '\n');
11075 changed = nPlayers;
11076 changes = 1 + (strcmp(p, q) != 0);
11078 if(changes == 1) { // a single engine mnemonic was changed
11079 q = r; while(*q) nPlayers += (*q++ == '\n');
11080 p = buf; while(*r && (*p = *r++) != '\n') p++;
11082 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11083 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
11084 if(mnemonic[i]) { // The substitute is valid
11086 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
11087 flock(fileno(f), LOCK_EX);
11088 ParseArgsFromFile(f);
11089 fseek(f, 0, SEEK_SET);
11090 FREE(appData.participants); appData.participants = participants;
11091 if(expunge) { // erase results of replaced engine
11092 int len = strlen(appData.results), w, b, dummy;
11093 for(i=0; i<len; i++) {
11094 Pairing(i, nPlayers, &w, &b, &dummy);
11095 if((w == changed || b == changed) && appData.results[i] == '*') {
11096 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
11101 for(i=0; i<len; i++) {
11102 Pairing(i, nPlayers, &w, &b, &dummy);
11103 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
11106 WriteTourneyFile(appData.results, f);
11107 fclose(f); // release lock
11110 } else DisplayError(_("No engine with the name you gave is installed"), 0);
11112 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
11113 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
11114 free(participants);
11119 CheckPlayers (char *participants)
11122 char buf[MSG_SIZ], *p;
11123 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11124 while(p = strchr(participants, '\n')) {
11126 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
11128 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
11130 DisplayError(buf, 0);
11134 participants = p + 1;
11140 CreateTourney (char *name)
11143 if(matchMode && strcmp(name, appData.tourneyFile)) {
11144 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
11146 if(name[0] == NULLCHAR) {
11147 if(appData.participants[0])
11148 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
11151 f = fopen(name, "r");
11152 if(f) { // file exists
11153 ASSIGN(appData.tourneyFile, name);
11154 ParseArgsFromFile(f); // parse it
11156 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11157 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11158 DisplayError(_("Not enough participants"), 0);
11161 if(CheckPlayers(appData.participants)) return 0;
11162 ASSIGN(appData.tourneyFile, name);
11163 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11164 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11167 appData.noChessProgram = FALSE;
11168 appData.clockMode = TRUE;
11174 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11176 char buf[MSG_SIZ], *p, *q;
11177 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11178 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11179 skip = !all && group[0]; // if group requested, we start in skip mode
11180 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11181 p = names; q = buf; header = 0;
11182 while(*p && *p != '\n') *q++ = *p++;
11184 if(*p == '\n') p++;
11185 if(buf[0] == '#') {
11186 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11187 depth++; // we must be entering a new group
11188 if(all) continue; // suppress printing group headers when complete list requested
11190 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11192 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11193 if(engineList[i]) free(engineList[i]);
11194 engineList[i] = strdup(buf);
11195 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11196 if(engineMnemonic[i]) free(engineMnemonic[i]);
11197 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11199 sscanf(q + 8, "%s", buf + strlen(buf));
11202 engineMnemonic[i] = strdup(buf);
11205 engineList[i] = engineMnemonic[i] = NULL;
11209 // following implemented as macro to avoid type limitations
11210 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11213 SwapEngines (int n)
11214 { // swap settings for first engine and other engine (so far only some selected options)
11219 SWAP(chessProgram, p)
11221 SWAP(hasOwnBookUCI, h)
11222 SWAP(protocolVersion, h)
11224 SWAP(scoreIsAbsolute, h)
11229 SWAP(engOptions, p)
11230 SWAP(engInitString, p)
11231 SWAP(computerString, p)
11233 SWAP(fenOverride, p)
11235 SWAP(accumulateTC, h)
11242 GetEngineLine (char *s, int n)
11246 extern char *icsNames;
11247 if(!s || !*s) return 0;
11248 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11249 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11250 if(!mnemonic[i]) return 0;
11251 if(n == 11) return 1; // just testing if there was a match
11252 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11253 if(n == 1) SwapEngines(n);
11254 ParseArgsFromString(buf);
11255 if(n == 1) SwapEngines(n);
11256 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11257 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11258 ParseArgsFromString(buf);
11264 SetPlayer (int player, char *p)
11265 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11267 char buf[MSG_SIZ], *engineName;
11268 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11269 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11270 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11272 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11273 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11274 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11275 ParseArgsFromString(buf);
11276 } else { // no engine with this nickname is installed!
11277 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11278 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11279 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11281 DisplayError(buf, 0);
11288 char *recentEngines;
11291 RecentEngineEvent (int nr)
11294 // SwapEngines(1); // bump first to second
11295 // ReplaceEngine(&second, 1); // and load it there
11296 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11297 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11298 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11299 ReplaceEngine(&first, 0);
11300 FloatToFront(&appData.recentEngineList, command[n]);
11305 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11306 { // determine players from game number
11307 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11309 if(appData.tourneyType == 0) {
11310 roundsPerCycle = (nPlayers - 1) | 1;
11311 pairingsPerRound = nPlayers / 2;
11312 } else if(appData.tourneyType > 0) {
11313 roundsPerCycle = nPlayers - appData.tourneyType;
11314 pairingsPerRound = appData.tourneyType;
11316 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11317 gamesPerCycle = gamesPerRound * roundsPerCycle;
11318 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11319 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11320 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11321 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11322 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11323 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11325 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11326 if(appData.roundSync) *syncInterval = gamesPerRound;
11328 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11330 if(appData.tourneyType == 0) {
11331 if(curPairing == (nPlayers-1)/2 ) {
11332 *whitePlayer = curRound;
11333 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11335 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11336 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11337 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11338 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11340 } else if(appData.tourneyType > 1) {
11341 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11342 *whitePlayer = curRound + appData.tourneyType;
11343 } else if(appData.tourneyType > 0) {
11344 *whitePlayer = curPairing;
11345 *blackPlayer = curRound + appData.tourneyType;
11348 // take care of white/black alternation per round.
11349 // For cycles and games this is already taken care of by default, derived from matchGame!
11350 return curRound & 1;
11354 NextTourneyGame (int nr, int *swapColors)
11355 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11357 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11359 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11360 tf = fopen(appData.tourneyFile, "r");
11361 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11362 ParseArgsFromFile(tf); fclose(tf);
11363 InitTimeControls(); // TC might be altered from tourney file
11365 nPlayers = CountPlayers(appData.participants); // count participants
11366 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11367 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11370 p = q = appData.results;
11371 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11372 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11373 DisplayMessage(_("Waiting for other game(s)"),"");
11374 waitingForGame = TRUE;
11375 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11378 waitingForGame = FALSE;
11381 if(appData.tourneyType < 0) {
11382 if(nr>=0 && !pairingReceived) {
11384 if(pairing.pr == NoProc) {
11385 if(!appData.pairingEngine[0]) {
11386 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11389 StartChessProgram(&pairing); // starts the pairing engine
11391 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11392 SendToProgram(buf, &pairing);
11393 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11394 SendToProgram(buf, &pairing);
11395 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11397 pairingReceived = 0; // ... so we continue here
11399 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11400 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11401 matchGame = 1; roundNr = nr / syncInterval + 1;
11404 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11406 // redefine engines, engine dir, etc.
11407 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11408 if(first.pr == NoProc) {
11409 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11410 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11412 if(second.pr == NoProc) {
11414 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11415 SwapEngines(1); // and make that valid for second engine by swapping
11416 InitEngine(&second, 1);
11418 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11419 UpdateLogos(FALSE); // leave display to ModeHiglight()
11425 { // performs game initialization that does not invoke engines, and then tries to start the game
11426 int res, firstWhite, swapColors = 0;
11427 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11428 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
11430 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11431 if(strcmp(buf, currentDebugFile)) { // name has changed
11432 FILE *f = fopen(buf, "w");
11433 if(f) { // if opening the new file failed, just keep using the old one
11434 ASSIGN(currentDebugFile, buf);
11438 if(appData.serverFileName) {
11439 if(serverFP) fclose(serverFP);
11440 serverFP = fopen(appData.serverFileName, "w");
11441 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11442 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11446 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11447 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11448 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11449 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11450 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11451 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11452 Reset(FALSE, first.pr != NoProc);
11453 res = LoadGameOrPosition(matchGame); // setup game
11454 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11455 if(!res) return; // abort when bad game/pos file
11456 if(appData.epd) {// in EPD mode we make sure first engine is to move
11457 firstWhite = !(forwardMostMove & 1);
11458 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11459 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11461 TwoMachinesEvent();
11465 UserAdjudicationEvent (int result)
11467 ChessMove gameResult = GameIsDrawn;
11470 gameResult = WhiteWins;
11472 else if( result < 0 ) {
11473 gameResult = BlackWins;
11476 if( gameMode == TwoMachinesPlay ) {
11477 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11482 // [HGM] save: calculate checksum of game to make games easily identifiable
11484 StringCheckSum (char *s)
11487 if(s==NULL) return 0;
11488 while(*s) i = i*259 + *s++;
11496 for(i=backwardMostMove; i<forwardMostMove; i++) {
11497 sum += pvInfoList[i].depth;
11498 sum += StringCheckSum(parseList[i]);
11499 sum += StringCheckSum(commentList[i]);
11502 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11503 return sum + StringCheckSum(commentList[i]);
11504 } // end of save patch
11507 GameEnds (ChessMove result, char *resultDetails, int whosays)
11509 GameMode nextGameMode;
11511 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11513 if(endingGame) return; /* [HGM] crash: forbid recursion */
11515 if(twoBoards) { // [HGM] dual: switch back to one board
11516 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11517 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11519 if (appData.debugMode) {
11520 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11521 result, resultDetails ? resultDetails : "(null)", whosays);
11524 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11526 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11528 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11529 /* If we are playing on ICS, the server decides when the
11530 game is over, but the engine can offer to draw, claim
11534 if (appData.zippyPlay && first.initDone) {
11535 if (result == GameIsDrawn) {
11536 /* In case draw still needs to be claimed */
11537 SendToICS(ics_prefix);
11538 SendToICS("draw\n");
11539 } else if (StrCaseStr(resultDetails, "resign")) {
11540 SendToICS(ics_prefix);
11541 SendToICS("resign\n");
11545 endingGame = 0; /* [HGM] crash */
11549 /* If we're loading the game from a file, stop */
11550 if (whosays == GE_FILE) {
11551 (void) StopLoadGameTimer();
11555 /* Cancel draw offers */
11556 first.offeredDraw = second.offeredDraw = 0;
11558 /* If this is an ICS game, only ICS can really say it's done;
11559 if not, anyone can. */
11560 isIcsGame = (gameMode == IcsPlayingWhite ||
11561 gameMode == IcsPlayingBlack ||
11562 gameMode == IcsObserving ||
11563 gameMode == IcsExamining);
11565 if (!isIcsGame || whosays == GE_ICS) {
11566 /* OK -- not an ICS game, or ICS said it was done */
11568 if (!isIcsGame && !appData.noChessProgram)
11569 SetUserThinkingEnables();
11571 /* [HGM] if a machine claims the game end we verify this claim */
11572 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11573 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11575 ChessMove trueResult = (ChessMove) -1;
11577 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11578 first.twoMachinesColor[0] :
11579 second.twoMachinesColor[0] ;
11581 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11582 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11583 /* [HGM] verify: engine mate claims accepted if they were flagged */
11584 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11586 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11587 /* [HGM] verify: engine mate claims accepted if they were flagged */
11588 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11590 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11591 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11594 // now verify win claims, but not in drop games, as we don't understand those yet
11595 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11596 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11597 (result == WhiteWins && claimer == 'w' ||
11598 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11599 if (appData.debugMode) {
11600 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11601 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11603 if(result != trueResult) {
11604 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11605 result = claimer == 'w' ? BlackWins : WhiteWins;
11606 resultDetails = buf;
11609 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11610 && (forwardMostMove <= backwardMostMove ||
11611 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11612 (claimer=='b')==(forwardMostMove&1))
11614 /* [HGM] verify: draws that were not flagged are false claims */
11615 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11616 result = claimer == 'w' ? BlackWins : WhiteWins;
11617 resultDetails = buf;
11619 /* (Claiming a loss is accepted no questions asked!) */
11620 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11621 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11622 result = GameUnfinished;
11623 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11625 /* [HGM] bare: don't allow bare King to win */
11626 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11627 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11628 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11629 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11630 && result != GameIsDrawn)
11631 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11632 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11633 int p = (signed char)boards[forwardMostMove][i][j] - color;
11634 if(p >= 0 && p <= (int)WhiteKing) k++;
11635 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11637 if (appData.debugMode) {
11638 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11639 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11641 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11642 result = GameIsDrawn;
11643 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11644 resultDetails = buf;
11650 if(serverMoves != NULL && !loadFlag) { char c = '=';
11651 if(result==WhiteWins) c = '+';
11652 if(result==BlackWins) c = '-';
11653 if(resultDetails != NULL)
11654 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11656 if (resultDetails != NULL) {
11657 gameInfo.result = result;
11658 gameInfo.resultDetails = StrSave(resultDetails);
11660 /* display last move only if game was not loaded from file */
11661 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11662 DisplayMove(currentMove - 1);
11664 if (forwardMostMove != 0) {
11665 if (gameMode != PlayFromGameFile && gameMode != EditGame
11666 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11668 if (*appData.saveGameFile != NULLCHAR) {
11669 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11670 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11672 SaveGameToFile(appData.saveGameFile, TRUE);
11673 } else if (appData.autoSaveGames) {
11674 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11676 if (*appData.savePositionFile != NULLCHAR) {
11677 SavePositionToFile(appData.savePositionFile);
11679 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11683 /* Tell program how game ended in case it is learning */
11684 /* [HGM] Moved this to after saving the PGN, just in case */
11685 /* engine died and we got here through time loss. In that */
11686 /* case we will get a fatal error writing the pipe, which */
11687 /* would otherwise lose us the PGN. */
11688 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11689 /* output during GameEnds should never be fatal anymore */
11690 if (gameMode == MachinePlaysWhite ||
11691 gameMode == MachinePlaysBlack ||
11692 gameMode == TwoMachinesPlay ||
11693 gameMode == IcsPlayingWhite ||
11694 gameMode == IcsPlayingBlack ||
11695 gameMode == BeginningOfGame) {
11697 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11699 if (first.pr != NoProc) {
11700 SendToProgram(buf, &first);
11702 if (second.pr != NoProc &&
11703 gameMode == TwoMachinesPlay) {
11704 SendToProgram(buf, &second);
11709 if (appData.icsActive) {
11710 if (appData.quietPlay &&
11711 (gameMode == IcsPlayingWhite ||
11712 gameMode == IcsPlayingBlack)) {
11713 SendToICS(ics_prefix);
11714 SendToICS("set shout 1\n");
11716 nextGameMode = IcsIdle;
11717 ics_user_moved = FALSE;
11718 /* clean up premove. It's ugly when the game has ended and the
11719 * premove highlights are still on the board.
11722 gotPremove = FALSE;
11723 ClearPremoveHighlights();
11724 DrawPosition(FALSE, boards[currentMove]);
11726 if (whosays == GE_ICS) {
11729 if (gameMode == IcsPlayingWhite)
11731 else if(gameMode == IcsPlayingBlack)
11732 PlayIcsLossSound();
11735 if (gameMode == IcsPlayingBlack)
11737 else if(gameMode == IcsPlayingWhite)
11738 PlayIcsLossSound();
11741 PlayIcsDrawSound();
11744 PlayIcsUnfinishedSound();
11747 if(appData.quitNext) { ExitEvent(0); return; }
11748 } else if (gameMode == EditGame ||
11749 gameMode == PlayFromGameFile ||
11750 gameMode == AnalyzeMode ||
11751 gameMode == AnalyzeFile) {
11752 nextGameMode = gameMode;
11754 nextGameMode = EndOfGame;
11759 nextGameMode = gameMode;
11762 if (appData.noChessProgram) {
11763 gameMode = nextGameMode;
11765 endingGame = 0; /* [HGM] crash */
11770 /* Put first chess program into idle state */
11771 if (first.pr != NoProc &&
11772 (gameMode == MachinePlaysWhite ||
11773 gameMode == MachinePlaysBlack ||
11774 gameMode == TwoMachinesPlay ||
11775 gameMode == IcsPlayingWhite ||
11776 gameMode == IcsPlayingBlack ||
11777 gameMode == BeginningOfGame)) {
11778 SendToProgram("force\n", &first);
11779 if (first.usePing) {
11781 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11782 SendToProgram(buf, &first);
11785 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11786 /* Kill off first chess program */
11787 if (first.isr != NULL)
11788 RemoveInputSource(first.isr);
11791 if (first.pr != NoProc) {
11793 DoSleep( appData.delayBeforeQuit );
11794 SendToProgram("quit\n", &first);
11795 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11796 first.reload = TRUE;
11800 if (second.reuse) {
11801 /* Put second chess program into idle state */
11802 if (second.pr != NoProc &&
11803 gameMode == TwoMachinesPlay) {
11804 SendToProgram("force\n", &second);
11805 if (second.usePing) {
11807 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11808 SendToProgram(buf, &second);
11811 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11812 /* Kill off second chess program */
11813 if (second.isr != NULL)
11814 RemoveInputSource(second.isr);
11817 if (second.pr != NoProc) {
11818 DoSleep( appData.delayBeforeQuit );
11819 SendToProgram("quit\n", &second);
11820 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11821 second.reload = TRUE;
11823 second.pr = NoProc;
11826 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11827 char resChar = '=';
11831 if (first.twoMachinesColor[0] == 'w') {
11834 second.matchWins++;
11839 if (first.twoMachinesColor[0] == 'b') {
11842 second.matchWins++;
11845 case GameUnfinished:
11851 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11852 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11853 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11854 ReserveGame(nextGame, resChar); // sets nextGame
11855 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11856 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11857 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11859 if (nextGame <= appData.matchGames && !abortMatch) {
11860 gameMode = nextGameMode;
11861 matchGame = nextGame; // this will be overruled in tourney mode!
11862 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11863 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11864 endingGame = 0; /* [HGM] crash */
11867 gameMode = nextGameMode;
11869 snprintf(buf, MSG_SIZ, "-------------------------------------- ");
11870 OutputKibitz(2, buf);
11871 snprintf(buf, MSG_SIZ, _("Average solving time %4.2f sec (total time %4.2f sec) "), totalTime/(100.*first.matchWins), totalTime/100.);
11872 OutputKibitz(2, buf);
11873 snprintf(buf, MSG_SIZ, _("%d avoid-moves played "), second.matchWins);
11874 if(second.matchWins) OutputKibitz(2, buf);
11875 snprintf(buf, MSG_SIZ, _("Solved %d out of %d (%3.1f%%) "), first.matchWins, nextGame-1, first.matchWins*100./(nextGame-1));
11876 OutputKibitz(2, buf);
11878 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11879 first.tidy, second.tidy,
11880 first.matchWins, second.matchWins,
11881 appData.matchGames - (first.matchWins + second.matchWins));
11882 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11883 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11884 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11885 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11886 first.twoMachinesColor = "black\n";
11887 second.twoMachinesColor = "white\n";
11889 first.twoMachinesColor = "white\n";
11890 second.twoMachinesColor = "black\n";
11894 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11895 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11897 gameMode = nextGameMode;
11899 endingGame = 0; /* [HGM] crash */
11900 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11901 if(matchMode == TRUE) { // match through command line: exit with or without popup
11903 ToNrEvent(forwardMostMove);
11904 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11906 } else DisplayFatalError(buf, 0, 0);
11907 } else { // match through menu; just stop, with or without popup
11908 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11911 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11912 } else DisplayNote(buf);
11914 if(ranking) free(ranking);
11918 /* Assumes program was just initialized (initString sent).
11919 Leaves program in force mode. */
11921 FeedMovesToProgram (ChessProgramState *cps, int upto)
11925 if (appData.debugMode)
11926 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11927 startedFromSetupPosition ? "position and " : "",
11928 backwardMostMove, upto, cps->which);
11929 if(currentlyInitializedVariant != gameInfo.variant) {
11931 // [HGM] variantswitch: make engine aware of new variant
11932 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11933 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11934 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11935 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11936 SendToProgram(buf, cps);
11937 currentlyInitializedVariant = gameInfo.variant;
11939 SendToProgram("force\n", cps);
11940 if (startedFromSetupPosition) {
11941 SendBoard(cps, backwardMostMove);
11942 if (appData.debugMode) {
11943 fprintf(debugFP, "feedMoves\n");
11946 for (i = backwardMostMove; i < upto; i++) {
11947 SendMoveToProgram(i, cps);
11953 ResurrectChessProgram ()
11955 /* The chess program may have exited.
11956 If so, restart it and feed it all the moves made so far. */
11957 static int doInit = 0;
11959 if (appData.noChessProgram) return 1;
11961 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11962 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11963 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11964 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11966 if (first.pr != NoProc) return 1;
11967 StartChessProgram(&first);
11969 InitChessProgram(&first, FALSE);
11970 FeedMovesToProgram(&first, currentMove);
11972 if (!first.sendTime) {
11973 /* can't tell gnuchess what its clock should read,
11974 so we bow to its notion. */
11976 timeRemaining[0][currentMove] = whiteTimeRemaining;
11977 timeRemaining[1][currentMove] = blackTimeRemaining;
11980 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11981 appData.icsEngineAnalyze) && first.analysisSupport) {
11982 SendToProgram("analyze\n", &first);
11983 first.analyzing = TRUE;
11989 * Button procedures
11992 Reset (int redraw, int init)
11996 if (appData.debugMode) {
11997 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11998 redraw, init, gameMode);
12000 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
12001 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
12002 CleanupTail(); // [HGM] vari: delete any stored variations
12003 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
12004 pausing = pauseExamInvalid = FALSE;
12005 startedFromSetupPosition = blackPlaysFirst = FALSE;
12007 whiteFlag = blackFlag = FALSE;
12008 userOfferedDraw = FALSE;
12009 hintRequested = bookRequested = FALSE;
12010 first.maybeThinking = FALSE;
12011 second.maybeThinking = FALSE;
12012 first.bookSuspend = FALSE; // [HGM] book
12013 second.bookSuspend = FALSE;
12014 thinkOutput[0] = NULLCHAR;
12015 lastHint[0] = NULLCHAR;
12016 ClearGameInfo(&gameInfo);
12017 gameInfo.variant = StringToVariant(appData.variant);
12018 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) {
12019 gameInfo.variant = VariantUnknown;
12020 strncpy(engineVariant, appData.variant, MSG_SIZ);
12022 ics_user_moved = ics_clock_paused = FALSE;
12023 ics_getting_history = H_FALSE;
12025 white_holding[0] = black_holding[0] = NULLCHAR;
12026 ClearProgramStats();
12027 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
12031 flipView = appData.flipView;
12032 ClearPremoveHighlights();
12033 gotPremove = FALSE;
12034 alarmSounded = FALSE;
12035 killX = killY = kill2X = kill2Y = -1; // [HGM] lion
12037 GameEnds(EndOfFile, NULL, GE_PLAYER);
12038 if(appData.serverMovesName != NULL) {
12039 /* [HGM] prepare to make moves file for broadcasting */
12040 clock_t t = clock();
12041 if(serverMoves != NULL) fclose(serverMoves);
12042 serverMoves = fopen(appData.serverMovesName, "r");
12043 if(serverMoves != NULL) {
12044 fclose(serverMoves);
12045 /* delay 15 sec before overwriting, so all clients can see end */
12046 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
12048 serverMoves = fopen(appData.serverMovesName, "w");
12052 gameMode = BeginningOfGame;
12054 if(appData.icsActive) gameInfo.variant = VariantNormal;
12055 currentMove = forwardMostMove = backwardMostMove = 0;
12056 MarkTargetSquares(1);
12057 InitPosition(redraw);
12058 for (i = 0; i < MAX_MOVES; i++) {
12059 if (commentList[i] != NULL) {
12060 free(commentList[i]);
12061 commentList[i] = NULL;
12065 timeRemaining[0][0] = whiteTimeRemaining;
12066 timeRemaining[1][0] = blackTimeRemaining;
12068 if (first.pr == NoProc) {
12069 StartChessProgram(&first);
12072 InitChessProgram(&first, startedFromSetupPosition);
12075 DisplayMessage("", "");
12076 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12077 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
12078 ClearMap(); // [HGM] exclude: invalidate map
12082 AutoPlayGameLoop ()
12085 if (!AutoPlayOneMove())
12087 if (matchMode || appData.timeDelay == 0)
12089 if (appData.timeDelay < 0)
12091 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
12099 ReloadGame(1); // next game
12105 int fromX, fromY, toX, toY;
12107 if (appData.debugMode) {
12108 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
12111 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
12114 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
12115 pvInfoList[currentMove].depth = programStats.depth;
12116 pvInfoList[currentMove].score = programStats.score;
12117 pvInfoList[currentMove].time = 0;
12118 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
12119 else { // append analysis of final position as comment
12121 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
12122 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
12124 programStats.depth = 0;
12127 if (currentMove >= forwardMostMove) {
12128 if(gameMode == AnalyzeFile) {
12129 if(appData.loadGameIndex == -1) {
12130 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
12131 ScheduleDelayedEvent(AnalyzeNextGame, 10);
12133 ExitAnalyzeMode(); SendToProgram("force\n", &first);
12136 // gameMode = EndOfGame;
12137 // ModeHighlight();
12139 /* [AS] Clear current move marker at the end of a game */
12140 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
12145 toX = moveList[currentMove][2] - AAA;
12146 toY = moveList[currentMove][3] - ONE;
12148 if (moveList[currentMove][1] == '@') {
12149 if (appData.highlightLastMove) {
12150 SetHighlights(-1, -1, toX, toY);
12153 fromX = moveList[currentMove][0] - AAA;
12154 fromY = moveList[currentMove][1] - ONE;
12156 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
12158 if(moveList[currentMove][4] == ';') { // multi-leg
12159 killX = moveList[currentMove][5] - AAA;
12160 killY = moveList[currentMove][6] - ONE;
12162 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12163 killX = killY = -1;
12165 if (appData.highlightLastMove) {
12166 SetHighlights(fromX, fromY, toX, toY);
12169 DisplayMove(currentMove);
12170 SendMoveToProgram(currentMove++, &first);
12171 DisplayBothClocks();
12172 DrawPosition(FALSE, boards[currentMove]);
12173 // [HGM] PV info: always display, routine tests if empty
12174 DisplayComment(currentMove - 1, commentList[currentMove]);
12180 LoadGameOneMove (ChessMove readAhead)
12182 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12183 char promoChar = NULLCHAR;
12184 ChessMove moveType;
12185 char move[MSG_SIZ];
12188 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12189 gameMode != AnalyzeMode && gameMode != Training) {
12194 yyboardindex = forwardMostMove;
12195 if (readAhead != EndOfFile) {
12196 moveType = readAhead;
12198 if (gameFileFP == NULL)
12200 moveType = (ChessMove) Myylex();
12204 switch (moveType) {
12206 if (appData.debugMode)
12207 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12210 /* append the comment but don't display it */
12211 AppendComment(currentMove, p, FALSE);
12214 case WhiteCapturesEnPassant:
12215 case BlackCapturesEnPassant:
12216 case WhitePromotion:
12217 case BlackPromotion:
12218 case WhiteNonPromotion:
12219 case BlackNonPromotion:
12222 case WhiteKingSideCastle:
12223 case WhiteQueenSideCastle:
12224 case BlackKingSideCastle:
12225 case BlackQueenSideCastle:
12226 case WhiteKingSideCastleWild:
12227 case WhiteQueenSideCastleWild:
12228 case BlackKingSideCastleWild:
12229 case BlackQueenSideCastleWild:
12231 case WhiteHSideCastleFR:
12232 case WhiteASideCastleFR:
12233 case BlackHSideCastleFR:
12234 case BlackASideCastleFR:
12236 if (appData.debugMode)
12237 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12238 fromX = currentMoveString[0] - AAA;
12239 fromY = currentMoveString[1] - ONE;
12240 toX = currentMoveString[2] - AAA;
12241 toY = currentMoveString[3] - ONE;
12242 promoChar = currentMoveString[4];
12243 if(promoChar == ';') promoChar = currentMoveString[7];
12248 if (appData.debugMode)
12249 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12250 fromX = moveType == WhiteDrop ?
12251 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12252 (int) CharToPiece(ToLower(currentMoveString[0]));
12254 toX = currentMoveString[2] - AAA;
12255 toY = currentMoveString[3] - ONE;
12261 case GameUnfinished:
12262 if (appData.debugMode)
12263 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12264 p = strchr(yy_text, '{');
12265 if (p == NULL) p = strchr(yy_text, '(');
12268 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12270 q = strchr(p, *p == '{' ? '}' : ')');
12271 if (q != NULL) *q = NULLCHAR;
12274 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12275 GameEnds(moveType, p, GE_FILE);
12277 if (cmailMsgLoaded) {
12279 flipView = WhiteOnMove(currentMove);
12280 if (moveType == GameUnfinished) flipView = !flipView;
12281 if (appData.debugMode)
12282 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12287 if (appData.debugMode)
12288 fprintf(debugFP, "Parser hit end of file\n");
12289 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12295 if (WhiteOnMove(currentMove)) {
12296 GameEnds(BlackWins, "Black mates", GE_FILE);
12298 GameEnds(WhiteWins, "White mates", GE_FILE);
12302 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12308 case MoveNumberOne:
12309 if (lastLoadGameStart == GNUChessGame) {
12310 /* GNUChessGames have numbers, but they aren't move numbers */
12311 if (appData.debugMode)
12312 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12313 yy_text, (int) moveType);
12314 return LoadGameOneMove(EndOfFile); /* tail recursion */
12316 /* else fall thru */
12321 /* Reached start of next game in file */
12322 if (appData.debugMode)
12323 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12324 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12330 if (WhiteOnMove(currentMove)) {
12331 GameEnds(BlackWins, "Black mates", GE_FILE);
12333 GameEnds(WhiteWins, "White mates", GE_FILE);
12337 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12343 case PositionDiagram: /* should not happen; ignore */
12344 case ElapsedTime: /* ignore */
12345 case NAG: /* ignore */
12346 if (appData.debugMode)
12347 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12348 yy_text, (int) moveType);
12349 return LoadGameOneMove(EndOfFile); /* tail recursion */
12352 if (appData.testLegality) {
12353 if (appData.debugMode)
12354 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12355 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12356 (forwardMostMove / 2) + 1,
12357 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12358 DisplayError(move, 0);
12361 if (appData.debugMode)
12362 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12363 yy_text, currentMoveString);
12364 if(currentMoveString[1] == '@') {
12365 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12368 fromX = currentMoveString[0] - AAA;
12369 fromY = currentMoveString[1] - ONE;
12371 toX = currentMoveString[2] - AAA;
12372 toY = currentMoveString[3] - ONE;
12373 promoChar = currentMoveString[4];
12377 case AmbiguousMove:
12378 if (appData.debugMode)
12379 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12380 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12381 (forwardMostMove / 2) + 1,
12382 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12383 DisplayError(move, 0);
12388 case ImpossibleMove:
12389 if (appData.debugMode)
12390 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12391 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12392 (forwardMostMove / 2) + 1,
12393 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12394 DisplayError(move, 0);
12400 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12401 DrawPosition(FALSE, boards[currentMove]);
12402 DisplayBothClocks();
12403 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12404 DisplayComment(currentMove - 1, commentList[currentMove]);
12406 (void) StopLoadGameTimer();
12408 cmailOldMove = forwardMostMove;
12411 /* currentMoveString is set as a side-effect of yylex */
12413 thinkOutput[0] = NULLCHAR;
12414 MakeMove(fromX, fromY, toX, toY, promoChar);
12415 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
12416 currentMove = forwardMostMove;
12421 /* Load the nth game from the given file */
12423 LoadGameFromFile (char *filename, int n, char *title, int useList)
12428 if (strcmp(filename, "-") == 0) {
12432 f = fopen(filename, "rb");
12434 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12435 DisplayError(buf, errno);
12439 if (fseek(f, 0, 0) == -1) {
12440 /* f is not seekable; probably a pipe */
12443 if (useList && n == 0) {
12444 int error = GameListBuild(f);
12446 DisplayError(_("Cannot build game list"), error);
12447 } else if (!ListEmpty(&gameList) &&
12448 ((ListGame *) gameList.tailPred)->number > 1) {
12449 GameListPopUp(f, title);
12456 return LoadGame(f, n, title, FALSE);
12461 MakeRegisteredMove ()
12463 int fromX, fromY, toX, toY;
12465 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12466 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12469 if (appData.debugMode)
12470 fprintf(debugFP, "Restoring %s for game %d\n",
12471 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12473 thinkOutput[0] = NULLCHAR;
12474 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12475 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12476 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12477 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12478 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12479 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12480 MakeMove(fromX, fromY, toX, toY, promoChar);
12481 ShowMove(fromX, fromY, toX, toY);
12483 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12490 if (WhiteOnMove(currentMove)) {
12491 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12493 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12498 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12505 if (WhiteOnMove(currentMove)) {
12506 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12508 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12513 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12524 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12526 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12530 if (gameNumber > nCmailGames) {
12531 DisplayError(_("No more games in this message"), 0);
12534 if (f == lastLoadGameFP) {
12535 int offset = gameNumber - lastLoadGameNumber;
12537 cmailMsg[0] = NULLCHAR;
12538 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12539 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12540 nCmailMovesRegistered--;
12542 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12543 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12544 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12547 if (! RegisterMove()) return FALSE;
12551 retVal = LoadGame(f, gameNumber, title, useList);
12553 /* Make move registered during previous look at this game, if any */
12554 MakeRegisteredMove();
12556 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12557 commentList[currentMove]
12558 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12559 DisplayComment(currentMove - 1, commentList[currentMove]);
12565 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12567 ReloadGame (int offset)
12569 int gameNumber = lastLoadGameNumber + offset;
12570 if (lastLoadGameFP == NULL) {
12571 DisplayError(_("No game has been loaded yet"), 0);
12574 if (gameNumber <= 0) {
12575 DisplayError(_("Can't back up any further"), 0);
12578 if (cmailMsgLoaded) {
12579 return CmailLoadGame(lastLoadGameFP, gameNumber,
12580 lastLoadGameTitle, lastLoadGameUseList);
12582 return LoadGame(lastLoadGameFP, gameNumber,
12583 lastLoadGameTitle, lastLoadGameUseList);
12587 int keys[EmptySquare+1];
12590 PositionMatches (Board b1, Board b2)
12593 switch(appData.searchMode) {
12594 case 1: return CompareWithRights(b1, b2);
12596 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12597 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12601 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12602 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12603 sum += keys[b1[r][f]] - keys[b2[r][f]];
12607 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12608 sum += keys[b1[r][f]] - keys[b2[r][f]];
12620 int pieceList[256], quickBoard[256];
12621 ChessSquare pieceType[256] = { EmptySquare };
12622 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12623 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12624 int soughtTotal, turn;
12625 Boolean epOK, flipSearch;
12628 unsigned char piece, to;
12631 #define DSIZE (250000)
12633 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12634 Move *moveDatabase = initialSpace;
12635 unsigned int movePtr, dataSize = DSIZE;
12638 MakePieceList (Board board, int *counts)
12640 int r, f, n=Q_PROMO, total=0;
12641 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12642 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12643 int sq = f + (r<<4);
12644 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12645 quickBoard[sq] = ++n;
12647 pieceType[n] = board[r][f];
12648 counts[board[r][f]]++;
12649 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12650 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12654 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12659 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12661 int sq = fromX + (fromY<<4);
12662 int piece = quickBoard[sq], rook;
12663 quickBoard[sq] = 0;
12664 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12665 if(piece == pieceList[1] && fromY == toY) {
12666 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12667 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12668 moveDatabase[movePtr++].piece = Q_WCASTL;
12669 quickBoard[sq] = piece;
12670 piece = quickBoard[from]; quickBoard[from] = 0;
12671 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12672 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12673 quickBoard[sq] = 0; // remove Rook
12674 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12675 moveDatabase[movePtr++].piece = Q_WCASTL;
12676 quickBoard[sq] = pieceList[1]; // put King
12678 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12681 if(piece == pieceList[2] && fromY == toY) {
12682 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12683 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12684 moveDatabase[movePtr++].piece = Q_BCASTL;
12685 quickBoard[sq] = piece;
12686 piece = quickBoard[from]; quickBoard[from] = 0;
12687 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12688 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12689 quickBoard[sq] = 0; // remove Rook
12690 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12691 moveDatabase[movePtr++].piece = Q_BCASTL;
12692 quickBoard[sq] = pieceList[2]; // put King
12694 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12697 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12698 quickBoard[(fromY<<4)+toX] = 0;
12699 moveDatabase[movePtr].piece = Q_EP;
12700 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12701 moveDatabase[movePtr].to = sq;
12703 if(promoPiece != pieceType[piece]) {
12704 moveDatabase[movePtr++].piece = Q_PROMO;
12705 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12707 moveDatabase[movePtr].piece = piece;
12708 quickBoard[sq] = piece;
12713 PackGame (Board board)
12715 Move *newSpace = NULL;
12716 moveDatabase[movePtr].piece = 0; // terminate previous game
12717 if(movePtr > dataSize) {
12718 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12719 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12720 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12723 Move *p = moveDatabase, *q = newSpace;
12724 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12725 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12726 moveDatabase = newSpace;
12727 } else { // calloc failed, we must be out of memory. Too bad...
12728 dataSize = 0; // prevent calloc events for all subsequent games
12729 return 0; // and signal this one isn't cached
12733 MakePieceList(board, counts);
12738 QuickCompare (Board board, int *minCounts, int *maxCounts)
12739 { // compare according to search mode
12741 switch(appData.searchMode)
12743 case 1: // exact position match
12744 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12745 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12746 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12749 case 2: // can have extra material on empty squares
12750 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12751 if(board[r][f] == EmptySquare) continue;
12752 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12755 case 3: // material with exact Pawn structure
12756 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12757 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12758 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12759 } // fall through to material comparison
12760 case 4: // exact material
12761 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12763 case 6: // material range with given imbalance
12764 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12765 // fall through to range comparison
12766 case 5: // material range
12767 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12773 QuickScan (Board board, Move *move)
12774 { // reconstruct game,and compare all positions in it
12775 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12777 int piece = move->piece;
12778 int to = move->to, from = pieceList[piece];
12779 if(found < 0) { // if already found just scan to game end for final piece count
12780 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12781 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12782 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12783 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12785 static int lastCounts[EmptySquare+1];
12787 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12788 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12789 } else stretch = 0;
12790 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12791 if(found >= 0 && !appData.minPieces) return found;
12793 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12794 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12795 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12796 piece = (++move)->piece;
12797 from = pieceList[piece];
12798 counts[pieceType[piece]]--;
12799 pieceType[piece] = (ChessSquare) move->to;
12800 counts[move->to]++;
12801 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12802 counts[pieceType[quickBoard[to]]]--;
12803 quickBoard[to] = 0; total--;
12806 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12807 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12808 from = pieceList[piece]; // so this must be King
12809 quickBoard[from] = 0;
12810 pieceList[piece] = to;
12811 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12812 quickBoard[from] = 0; // rook
12813 quickBoard[to] = piece;
12814 to = move->to; piece = move->piece;
12818 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12819 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12820 quickBoard[from] = 0;
12822 quickBoard[to] = piece;
12823 pieceList[piece] = to;
12833 flipSearch = FALSE;
12834 CopyBoard(soughtBoard, boards[currentMove]);
12835 soughtTotal = MakePieceList(soughtBoard, maxSought);
12836 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12837 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12838 CopyBoard(reverseBoard, boards[currentMove]);
12839 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12840 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12841 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12842 reverseBoard[r][f] = piece;
12844 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12845 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12846 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12847 || (boards[currentMove][CASTLING][2] == NoRights ||
12848 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12849 && (boards[currentMove][CASTLING][5] == NoRights ||
12850 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12853 CopyBoard(flipBoard, soughtBoard);
12854 CopyBoard(rotateBoard, reverseBoard);
12855 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12856 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12857 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12860 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12861 if(appData.searchMode >= 5) {
12862 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12863 MakePieceList(soughtBoard, minSought);
12864 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12866 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12867 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12870 GameInfo dummyInfo;
12871 static int creatingBook;
12874 GameContainsPosition (FILE *f, ListGame *lg)
12876 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12877 int fromX, fromY, toX, toY;
12879 static int initDone=FALSE;
12881 // weed out games based on numerical tag comparison
12882 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12883 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12884 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12885 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12887 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12890 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12891 else CopyBoard(boards[scratch], initialPosition); // default start position
12894 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12895 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12898 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12899 fseek(f, lg->offset, 0);
12902 yyboardindex = scratch;
12903 quickFlag = plyNr+1;
12908 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12914 if(plyNr) return -1; // after we have seen moves, this is for new game
12917 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12918 case ImpossibleMove:
12919 case WhiteWins: // game ends here with these four
12922 case GameUnfinished:
12926 if(appData.testLegality) return -1;
12927 case WhiteCapturesEnPassant:
12928 case BlackCapturesEnPassant:
12929 case WhitePromotion:
12930 case BlackPromotion:
12931 case WhiteNonPromotion:
12932 case BlackNonPromotion:
12935 case WhiteKingSideCastle:
12936 case WhiteQueenSideCastle:
12937 case BlackKingSideCastle:
12938 case BlackQueenSideCastle:
12939 case WhiteKingSideCastleWild:
12940 case WhiteQueenSideCastleWild:
12941 case BlackKingSideCastleWild:
12942 case BlackQueenSideCastleWild:
12943 case WhiteHSideCastleFR:
12944 case WhiteASideCastleFR:
12945 case BlackHSideCastleFR:
12946 case BlackASideCastleFR:
12947 fromX = currentMoveString[0] - AAA;
12948 fromY = currentMoveString[1] - ONE;
12949 toX = currentMoveString[2] - AAA;
12950 toY = currentMoveString[3] - ONE;
12951 promoChar = currentMoveString[4];
12955 fromX = next == WhiteDrop ?
12956 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12957 (int) CharToPiece(ToLower(currentMoveString[0]));
12959 toX = currentMoveString[2] - AAA;
12960 toY = currentMoveString[3] - ONE;
12964 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12966 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12967 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12968 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12969 if(appData.findMirror) {
12970 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12971 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12976 /* Load the nth game from open file f */
12978 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12982 int gn = gameNumber;
12983 ListGame *lg = NULL;
12984 int numPGNTags = 0, i;
12986 GameMode oldGameMode;
12987 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12988 char oldName[MSG_SIZ];
12990 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
12992 if (appData.debugMode)
12993 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12995 if (gameMode == Training )
12996 SetTrainingModeOff();
12998 oldGameMode = gameMode;
12999 if (gameMode != BeginningOfGame) {
13000 Reset(FALSE, TRUE);
13002 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: in case we did not Reset
13005 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
13006 fclose(lastLoadGameFP);
13010 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
13013 fseek(f, lg->offset, 0);
13014 GameListHighlight(gameNumber);
13015 pos = lg->position;
13019 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
13020 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
13022 DisplayError(_("Game number out of range"), 0);
13027 if (fseek(f, 0, 0) == -1) {
13028 if (f == lastLoadGameFP ?
13029 gameNumber == lastLoadGameNumber + 1 :
13033 DisplayError(_("Can't seek on game file"), 0);
13038 lastLoadGameFP = f;
13039 lastLoadGameNumber = gameNumber;
13040 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
13041 lastLoadGameUseList = useList;
13045 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
13046 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
13047 lg->gameInfo.black);
13049 } else if (*title != NULLCHAR) {
13050 if (gameNumber > 1) {
13051 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
13054 DisplayTitle(title);
13058 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
13059 gameMode = PlayFromGameFile;
13063 currentMove = forwardMostMove = backwardMostMove = 0;
13064 CopyBoard(boards[0], initialPosition);
13068 * Skip the first gn-1 games in the file.
13069 * Also skip over anything that precedes an identifiable
13070 * start of game marker, to avoid being confused by
13071 * garbage at the start of the file. Currently
13072 * recognized start of game markers are the move number "1",
13073 * the pattern "gnuchess .* game", the pattern
13074 * "^[#;%] [^ ]* game file", and a PGN tag block.
13075 * A game that starts with one of the latter two patterns
13076 * will also have a move number 1, possibly
13077 * following a position diagram.
13078 * 5-4-02: Let's try being more lenient and allowing a game to
13079 * start with an unnumbered move. Does that break anything?
13081 cm = lastLoadGameStart = EndOfFile;
13083 yyboardindex = forwardMostMove;
13084 cm = (ChessMove) Myylex();
13087 if (cmailMsgLoaded) {
13088 nCmailGames = CMAIL_MAX_GAMES - gn;
13091 DisplayError(_("Game not found in file"), 0);
13098 lastLoadGameStart = cm;
13101 case MoveNumberOne:
13102 switch (lastLoadGameStart) {
13107 case MoveNumberOne:
13109 gn--; /* count this game */
13110 lastLoadGameStart = cm;
13119 switch (lastLoadGameStart) {
13122 case MoveNumberOne:
13124 gn--; /* count this game */
13125 lastLoadGameStart = cm;
13128 lastLoadGameStart = cm; /* game counted already */
13136 yyboardindex = forwardMostMove;
13137 cm = (ChessMove) Myylex();
13138 } while (cm == PGNTag || cm == Comment);
13145 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
13146 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
13147 != CMAIL_OLD_RESULT) {
13149 cmailResult[ CMAIL_MAX_GAMES
13150 - gn - 1] = CMAIL_OLD_RESULT;
13157 /* Only a NormalMove can be at the start of a game
13158 * without a position diagram. */
13159 if (lastLoadGameStart == EndOfFile ) {
13161 lastLoadGameStart = MoveNumberOne;
13170 if (appData.debugMode)
13171 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13173 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; } // reset VariantMen
13175 if (cm == XBoardGame) {
13176 /* Skip any header junk before position diagram and/or move 1 */
13178 yyboardindex = forwardMostMove;
13179 cm = (ChessMove) Myylex();
13181 if (cm == EndOfFile ||
13182 cm == GNUChessGame || cm == XBoardGame) {
13183 /* Empty game; pretend end-of-file and handle later */
13188 if (cm == MoveNumberOne || cm == PositionDiagram ||
13189 cm == PGNTag || cm == Comment)
13192 } else if (cm == GNUChessGame) {
13193 if (gameInfo.event != NULL) {
13194 free(gameInfo.event);
13196 gameInfo.event = StrSave(yy_text);
13199 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13200 while (cm == PGNTag) {
13201 if (appData.debugMode)
13202 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13203 err = ParsePGNTag(yy_text, &gameInfo);
13204 if (!err) numPGNTags++;
13206 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13207 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13208 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13209 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13210 InitPosition(TRUE);
13211 oldVariant = gameInfo.variant;
13212 if (appData.debugMode)
13213 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13217 if (gameInfo.fen != NULL) {
13218 Board initial_position;
13219 startedFromSetupPosition = TRUE;
13220 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13222 DisplayError(_("Bad FEN position in file"), 0);
13225 CopyBoard(boards[0], initial_position);
13226 if(*engineVariant || gameInfo.variant == VariantFairy) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13227 CopyBoard(initialPosition, initial_position);
13228 if (blackPlaysFirst) {
13229 currentMove = forwardMostMove = backwardMostMove = 1;
13230 CopyBoard(boards[1], initial_position);
13231 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13232 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13233 timeRemaining[0][1] = whiteTimeRemaining;
13234 timeRemaining[1][1] = blackTimeRemaining;
13235 if (commentList[0] != NULL) {
13236 commentList[1] = commentList[0];
13237 commentList[0] = NULL;
13240 currentMove = forwardMostMove = backwardMostMove = 0;
13242 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13244 initialRulePlies = FENrulePlies;
13245 for( i=0; i< nrCastlingRights; i++ )
13246 initialRights[i] = initial_position[CASTLING][i];
13248 yyboardindex = forwardMostMove;
13249 free(gameInfo.fen);
13250 gameInfo.fen = NULL;
13253 yyboardindex = forwardMostMove;
13254 cm = (ChessMove) Myylex();
13256 /* Handle comments interspersed among the tags */
13257 while (cm == Comment) {
13259 if (appData.debugMode)
13260 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13262 AppendComment(currentMove, p, FALSE);
13263 yyboardindex = forwardMostMove;
13264 cm = (ChessMove) Myylex();
13268 /* don't rely on existence of Event tag since if game was
13269 * pasted from clipboard the Event tag may not exist
13271 if (numPGNTags > 0){
13273 if (gameInfo.variant == VariantNormal) {
13274 VariantClass v = StringToVariant(gameInfo.event);
13275 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13276 if(v < VariantShogi) gameInfo.variant = v;
13279 if( appData.autoDisplayTags ) {
13280 tags = PGNTags(&gameInfo);
13281 TagsPopUp(tags, CmailMsg());
13286 /* Make something up, but don't display it now */
13291 if (cm == PositionDiagram) {
13294 Board initial_position;
13296 if (appData.debugMode)
13297 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13299 if (!startedFromSetupPosition) {
13301 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13302 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13313 initial_position[i][j++] = CharToPiece(*p);
13316 while (*p == ' ' || *p == '\t' ||
13317 *p == '\n' || *p == '\r') p++;
13319 if (strncmp(p, "black", strlen("black"))==0)
13320 blackPlaysFirst = TRUE;
13322 blackPlaysFirst = FALSE;
13323 startedFromSetupPosition = TRUE;
13325 CopyBoard(boards[0], initial_position);
13326 if (blackPlaysFirst) {
13327 currentMove = forwardMostMove = backwardMostMove = 1;
13328 CopyBoard(boards[1], initial_position);
13329 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13330 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13331 timeRemaining[0][1] = whiteTimeRemaining;
13332 timeRemaining[1][1] = blackTimeRemaining;
13333 if (commentList[0] != NULL) {
13334 commentList[1] = commentList[0];
13335 commentList[0] = NULL;
13338 currentMove = forwardMostMove = backwardMostMove = 0;
13341 yyboardindex = forwardMostMove;
13342 cm = (ChessMove) Myylex();
13345 if(!creatingBook) {
13346 if (first.pr == NoProc) {
13347 StartChessProgram(&first);
13349 InitChessProgram(&first, FALSE);
13350 if(gameInfo.variant == VariantUnknown && *oldName) {
13351 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13352 gameInfo.variant = v;
13354 SendToProgram("force\n", &first);
13355 if (startedFromSetupPosition) {
13356 SendBoard(&first, forwardMostMove);
13357 if (appData.debugMode) {
13358 fprintf(debugFP, "Load Game\n");
13360 DisplayBothClocks();
13364 /* [HGM] server: flag to write setup moves in broadcast file as one */
13365 loadFlag = appData.suppressLoadMoves;
13367 while (cm == Comment) {
13369 if (appData.debugMode)
13370 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13372 AppendComment(currentMove, p, FALSE);
13373 yyboardindex = forwardMostMove;
13374 cm = (ChessMove) Myylex();
13377 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13378 cm == WhiteWins || cm == BlackWins ||
13379 cm == GameIsDrawn || cm == GameUnfinished) {
13380 DisplayMessage("", _("No moves in game"));
13381 if (cmailMsgLoaded) {
13382 if (appData.debugMode)
13383 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13387 DrawPosition(FALSE, boards[currentMove]);
13388 DisplayBothClocks();
13389 gameMode = EditGame;
13396 // [HGM] PV info: routine tests if comment empty
13397 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13398 DisplayComment(currentMove - 1, commentList[currentMove]);
13400 if (!matchMode && appData.timeDelay != 0)
13401 DrawPosition(FALSE, boards[currentMove]);
13403 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13404 programStats.ok_to_send = 1;
13407 /* if the first token after the PGN tags is a move
13408 * and not move number 1, retrieve it from the parser
13410 if (cm != MoveNumberOne)
13411 LoadGameOneMove(cm);
13413 /* load the remaining moves from the file */
13414 while (LoadGameOneMove(EndOfFile)) {
13415 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13416 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13419 /* rewind to the start of the game */
13420 currentMove = backwardMostMove;
13422 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13424 if (oldGameMode == AnalyzeFile) {
13425 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13426 AnalyzeFileEvent();
13428 if (oldGameMode == AnalyzeMode) {
13429 AnalyzeFileEvent();
13432 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13433 long int w, b; // [HGM] adjourn: restore saved clock times
13434 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13435 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13436 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13437 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13441 if(creatingBook) return TRUE;
13442 if (!matchMode && pos > 0) {
13443 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13445 if (matchMode || appData.timeDelay == 0) {
13447 } else if (appData.timeDelay > 0) {
13448 AutoPlayGameLoop();
13451 if (appData.debugMode)
13452 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13454 loadFlag = 0; /* [HGM] true game starts */
13458 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13460 ReloadPosition (int offset)
13462 int positionNumber = lastLoadPositionNumber + offset;
13463 if (lastLoadPositionFP == NULL) {
13464 DisplayError(_("No position has been loaded yet"), 0);
13467 if (positionNumber <= 0) {
13468 DisplayError(_("Can't back up any further"), 0);
13471 return LoadPosition(lastLoadPositionFP, positionNumber,
13472 lastLoadPositionTitle);
13475 /* Load the nth position from the given file */
13477 LoadPositionFromFile (char *filename, int n, char *title)
13482 if (strcmp(filename, "-") == 0) {
13483 return LoadPosition(stdin, n, "stdin");
13485 f = fopen(filename, "rb");
13487 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13488 DisplayError(buf, errno);
13491 return LoadPosition(f, n, title);
13496 /* Load the nth position from the given open file, and close it */
13498 LoadPosition (FILE *f, int positionNumber, char *title)
13500 char *p, line[MSG_SIZ];
13501 Board initial_position;
13502 int i, j, fenMode, pn;
13504 if (gameMode == Training )
13505 SetTrainingModeOff();
13507 if (gameMode != BeginningOfGame) {
13508 Reset(FALSE, TRUE);
13510 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13511 fclose(lastLoadPositionFP);
13513 if (positionNumber == 0) positionNumber = 1;
13514 lastLoadPositionFP = f;
13515 lastLoadPositionNumber = positionNumber;
13516 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13517 if (first.pr == NoProc && !appData.noChessProgram) {
13518 StartChessProgram(&first);
13519 InitChessProgram(&first, FALSE);
13521 pn = positionNumber;
13522 if (positionNumber < 0) {
13523 /* Negative position number means to seek to that byte offset */
13524 if (fseek(f, -positionNumber, 0) == -1) {
13525 DisplayError(_("Can't seek on position file"), 0);
13530 if (fseek(f, 0, 0) == -1) {
13531 if (f == lastLoadPositionFP ?
13532 positionNumber == lastLoadPositionNumber + 1 :
13533 positionNumber == 1) {
13536 DisplayError(_("Can't seek on position file"), 0);
13541 /* See if this file is FEN or old-style xboard */
13542 if (fgets(line, MSG_SIZ, f) == NULL) {
13543 DisplayError(_("Position not found in file"), 0);
13546 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13547 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13550 if (fenMode || line[0] == '#') pn--;
13552 /* skip positions before number pn */
13553 if (fgets(line, MSG_SIZ, f) == NULL) {
13555 DisplayError(_("Position not found in file"), 0);
13558 if (fenMode || line[0] == '#') pn--;
13564 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13565 DisplayError(_("Bad FEN position in file"), 0);
13568 if((strchr(line, ';')) && (p = strstr(line, " bm "))) { // EPD with best move
13569 sscanf(p+4, "%[^;]", bestMove);
13570 } else *bestMove = NULLCHAR;
13571 if((strchr(line, ';')) && (p = strstr(line, " am "))) { // EPD with avoid move
13572 sscanf(p+4, "%[^;]", avoidMove);
13573 } else *avoidMove = NULLCHAR;
13575 (void) fgets(line, MSG_SIZ, f);
13576 (void) fgets(line, MSG_SIZ, f);
13578 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13579 (void) fgets(line, MSG_SIZ, f);
13580 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13583 initial_position[i][j++] = CharToPiece(*p);
13587 blackPlaysFirst = FALSE;
13589 (void) fgets(line, MSG_SIZ, f);
13590 if (strncmp(line, "black", strlen("black"))==0)
13591 blackPlaysFirst = TRUE;
13594 startedFromSetupPosition = TRUE;
13596 CopyBoard(boards[0], initial_position);
13597 if (blackPlaysFirst) {
13598 currentMove = forwardMostMove = backwardMostMove = 1;
13599 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13600 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13601 CopyBoard(boards[1], initial_position);
13602 DisplayMessage("", _("Black to play"));
13604 currentMove = forwardMostMove = backwardMostMove = 0;
13605 DisplayMessage("", _("White to play"));
13607 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13608 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13609 SendToProgram("force\n", &first);
13610 SendBoard(&first, forwardMostMove);
13612 if (appData.debugMode) {
13614 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13615 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13616 fprintf(debugFP, "Load Position\n");
13619 if (positionNumber > 1) {
13620 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13621 DisplayTitle(line);
13623 DisplayTitle(title);
13625 gameMode = EditGame;
13628 timeRemaining[0][1] = whiteTimeRemaining;
13629 timeRemaining[1][1] = blackTimeRemaining;
13630 DrawPosition(FALSE, boards[currentMove]);
13637 CopyPlayerNameIntoFileName (char **dest, char *src)
13639 while (*src != NULLCHAR && *src != ',') {
13644 *(*dest)++ = *src++;
13650 DefaultFileName (char *ext)
13652 static char def[MSG_SIZ];
13655 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13657 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13659 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13661 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13668 /* Save the current game to the given file */
13670 SaveGameToFile (char *filename, int append)
13674 int result, i, t,tot=0;
13676 if (strcmp(filename, "-") == 0) {
13677 return SaveGame(stdout, 0, NULL);
13679 for(i=0; i<10; i++) { // upto 10 tries
13680 f = fopen(filename, append ? "a" : "w");
13681 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13682 if(f || errno != 13) break;
13683 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13687 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13688 DisplayError(buf, errno);
13691 safeStrCpy(buf, lastMsg, MSG_SIZ);
13692 DisplayMessage(_("Waiting for access to save file"), "");
13693 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13694 DisplayMessage(_("Saving game"), "");
13695 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13696 result = SaveGame(f, 0, NULL);
13697 DisplayMessage(buf, "");
13704 SavePart (char *str)
13706 static char buf[MSG_SIZ];
13709 p = strchr(str, ' ');
13710 if (p == NULL) return str;
13711 strncpy(buf, str, p - str);
13712 buf[p - str] = NULLCHAR;
13716 #define PGN_MAX_LINE 75
13718 #define PGN_SIDE_WHITE 0
13719 #define PGN_SIDE_BLACK 1
13722 FindFirstMoveOutOfBook (int side)
13726 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13727 int index = backwardMostMove;
13728 int has_book_hit = 0;
13730 if( (index % 2) != side ) {
13734 while( index < forwardMostMove ) {
13735 /* Check to see if engine is in book */
13736 int depth = pvInfoList[index].depth;
13737 int score = pvInfoList[index].score;
13743 else if( score == 0 && depth == 63 ) {
13744 in_book = 1; /* Zappa */
13746 else if( score == 2 && depth == 99 ) {
13747 in_book = 1; /* Abrok */
13750 has_book_hit += in_book;
13766 GetOutOfBookInfo (char * buf)
13770 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13772 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13773 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13777 if( oob[0] >= 0 || oob[1] >= 0 ) {
13778 for( i=0; i<2; i++ ) {
13782 if( i > 0 && oob[0] >= 0 ) {
13783 strcat( buf, " " );
13786 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13787 sprintf( buf+strlen(buf), "%s%.2f",
13788 pvInfoList[idx].score >= 0 ? "+" : "",
13789 pvInfoList[idx].score / 100.0 );
13795 /* Save game in PGN style */
13797 SaveGamePGN2 (FILE *f)
13799 int i, offset, linelen, newblock;
13802 int movelen, numlen, blank;
13803 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13805 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13807 PrintPGNTags(f, &gameInfo);
13809 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13811 if (backwardMostMove > 0 || startedFromSetupPosition) {
13812 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13813 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13814 fprintf(f, "\n{--------------\n");
13815 PrintPosition(f, backwardMostMove);
13816 fprintf(f, "--------------}\n");
13820 /* [AS] Out of book annotation */
13821 if( appData.saveOutOfBookInfo ) {
13824 GetOutOfBookInfo( buf );
13826 if( buf[0] != '\0' ) {
13827 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13834 i = backwardMostMove;
13838 while (i < forwardMostMove) {
13839 /* Print comments preceding this move */
13840 if (commentList[i] != NULL) {
13841 if (linelen > 0) fprintf(f, "\n");
13842 fprintf(f, "%s", commentList[i]);
13847 /* Format move number */
13849 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13852 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13854 numtext[0] = NULLCHAR;
13856 numlen = strlen(numtext);
13859 /* Print move number */
13860 blank = linelen > 0 && numlen > 0;
13861 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13870 fprintf(f, "%s", numtext);
13874 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13875 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13878 blank = linelen > 0 && movelen > 0;
13879 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13888 fprintf(f, "%s", move_buffer);
13889 linelen += movelen;
13891 /* [AS] Add PV info if present */
13892 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13893 /* [HGM] add time */
13894 char buf[MSG_SIZ]; int seconds;
13896 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13902 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13905 seconds = (seconds + 4)/10; // round to full seconds
13907 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13909 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13912 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13913 pvInfoList[i].score >= 0 ? "+" : "",
13914 pvInfoList[i].score / 100.0,
13915 pvInfoList[i].depth,
13918 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13920 /* Print score/depth */
13921 blank = linelen > 0 && movelen > 0;
13922 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13931 fprintf(f, "%s", move_buffer);
13932 linelen += movelen;
13938 /* Start a new line */
13939 if (linelen > 0) fprintf(f, "\n");
13941 /* Print comments after last move */
13942 if (commentList[i] != NULL) {
13943 fprintf(f, "%s\n", commentList[i]);
13947 if (gameInfo.resultDetails != NULL &&
13948 gameInfo.resultDetails[0] != NULLCHAR) {
13949 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13950 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13951 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13952 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13953 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13955 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13959 /* Save game in PGN style and close the file */
13961 SaveGamePGN (FILE *f)
13965 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13969 /* Save game in old style and close the file */
13971 SaveGameOldStyle (FILE *f)
13976 tm = time((time_t *) NULL);
13978 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13981 if (backwardMostMove > 0 || startedFromSetupPosition) {
13982 fprintf(f, "\n[--------------\n");
13983 PrintPosition(f, backwardMostMove);
13984 fprintf(f, "--------------]\n");
13989 i = backwardMostMove;
13990 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13992 while (i < forwardMostMove) {
13993 if (commentList[i] != NULL) {
13994 fprintf(f, "[%s]\n", commentList[i]);
13997 if ((i % 2) == 1) {
13998 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
14001 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
14003 if (commentList[i] != NULL) {
14007 if (i >= forwardMostMove) {
14011 fprintf(f, "%s\n", parseList[i]);
14016 if (commentList[i] != NULL) {
14017 fprintf(f, "[%s]\n", commentList[i]);
14020 /* This isn't really the old style, but it's close enough */
14021 if (gameInfo.resultDetails != NULL &&
14022 gameInfo.resultDetails[0] != NULLCHAR) {
14023 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
14024 gameInfo.resultDetails);
14026 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14033 /* Save the current game to open file f and close the file */
14035 SaveGame (FILE *f, int dummy, char *dummy2)
14037 if (gameMode == EditPosition) EditPositionDone(TRUE);
14038 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14039 if (appData.oldSaveStyle)
14040 return SaveGameOldStyle(f);
14042 return SaveGamePGN(f);
14045 /* Save the current position to the given file */
14047 SavePositionToFile (char *filename)
14052 if (strcmp(filename, "-") == 0) {
14053 return SavePosition(stdout, 0, NULL);
14055 f = fopen(filename, "a");
14057 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
14058 DisplayError(buf, errno);
14061 safeStrCpy(buf, lastMsg, MSG_SIZ);
14062 DisplayMessage(_("Waiting for access to save file"), "");
14063 flock(fileno(f), LOCK_EX); // [HGM] lock
14064 DisplayMessage(_("Saving position"), "");
14065 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
14066 SavePosition(f, 0, NULL);
14067 DisplayMessage(buf, "");
14073 /* Save the current position to the given open file and close the file */
14075 SavePosition (FILE *f, int dummy, char *dummy2)
14080 if (gameMode == EditPosition) EditPositionDone(TRUE);
14081 if (appData.oldSaveStyle) {
14082 tm = time((time_t *) NULL);
14084 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
14086 fprintf(f, "[--------------\n");
14087 PrintPosition(f, currentMove);
14088 fprintf(f, "--------------]\n");
14090 fen = PositionToFEN(currentMove, NULL, 1);
14091 fprintf(f, "%s\n", fen);
14099 ReloadCmailMsgEvent (int unregister)
14102 static char *inFilename = NULL;
14103 static char *outFilename;
14105 struct stat inbuf, outbuf;
14108 /* Any registered moves are unregistered if unregister is set, */
14109 /* i.e. invoked by the signal handler */
14111 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14112 cmailMoveRegistered[i] = FALSE;
14113 if (cmailCommentList[i] != NULL) {
14114 free(cmailCommentList[i]);
14115 cmailCommentList[i] = NULL;
14118 nCmailMovesRegistered = 0;
14121 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14122 cmailResult[i] = CMAIL_NOT_RESULT;
14126 if (inFilename == NULL) {
14127 /* Because the filenames are static they only get malloced once */
14128 /* and they never get freed */
14129 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
14130 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
14132 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
14133 sprintf(outFilename, "%s.out", appData.cmailGameName);
14136 status = stat(outFilename, &outbuf);
14138 cmailMailedMove = FALSE;
14140 status = stat(inFilename, &inbuf);
14141 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
14144 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
14145 counts the games, notes how each one terminated, etc.
14147 It would be nice to remove this kludge and instead gather all
14148 the information while building the game list. (And to keep it
14149 in the game list nodes instead of having a bunch of fixed-size
14150 parallel arrays.) Note this will require getting each game's
14151 termination from the PGN tags, as the game list builder does
14152 not process the game moves. --mann
14154 cmailMsgLoaded = TRUE;
14155 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
14157 /* Load first game in the file or popup game menu */
14158 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
14160 #endif /* !WIN32 */
14168 char string[MSG_SIZ];
14170 if ( cmailMailedMove
14171 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
14172 return TRUE; /* Allow free viewing */
14175 /* Unregister move to ensure that we don't leave RegisterMove */
14176 /* with the move registered when the conditions for registering no */
14178 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14179 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14180 nCmailMovesRegistered --;
14182 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14184 free(cmailCommentList[lastLoadGameNumber - 1]);
14185 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14189 if (cmailOldMove == -1) {
14190 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14194 if (currentMove > cmailOldMove + 1) {
14195 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14199 if (currentMove < cmailOldMove) {
14200 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14204 if (forwardMostMove > currentMove) {
14205 /* Silently truncate extra moves */
14209 if ( (currentMove == cmailOldMove + 1)
14210 || ( (currentMove == cmailOldMove)
14211 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14212 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14213 if (gameInfo.result != GameUnfinished) {
14214 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14217 if (commentList[currentMove] != NULL) {
14218 cmailCommentList[lastLoadGameNumber - 1]
14219 = StrSave(commentList[currentMove]);
14221 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14223 if (appData.debugMode)
14224 fprintf(debugFP, "Saving %s for game %d\n",
14225 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14227 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14229 f = fopen(string, "w");
14230 if (appData.oldSaveStyle) {
14231 SaveGameOldStyle(f); /* also closes the file */
14233 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14234 f = fopen(string, "w");
14235 SavePosition(f, 0, NULL); /* also closes the file */
14237 fprintf(f, "{--------------\n");
14238 PrintPosition(f, currentMove);
14239 fprintf(f, "--------------}\n\n");
14241 SaveGame(f, 0, NULL); /* also closes the file*/
14244 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14245 nCmailMovesRegistered ++;
14246 } else if (nCmailGames == 1) {
14247 DisplayError(_("You have not made a move yet"), 0);
14258 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14259 FILE *commandOutput;
14260 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14261 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14267 if (! cmailMsgLoaded) {
14268 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14272 if (nCmailGames == nCmailResults) {
14273 DisplayError(_("No unfinished games"), 0);
14277 #if CMAIL_PROHIBIT_REMAIL
14278 if (cmailMailedMove) {
14279 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);
14280 DisplayError(msg, 0);
14285 if (! (cmailMailedMove || RegisterMove())) return;
14287 if ( cmailMailedMove
14288 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14289 snprintf(string, MSG_SIZ, partCommandString,
14290 appData.debugMode ? " -v" : "", appData.cmailGameName);
14291 commandOutput = popen(string, "r");
14293 if (commandOutput == NULL) {
14294 DisplayError(_("Failed to invoke cmail"), 0);
14296 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14297 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14299 if (nBuffers > 1) {
14300 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14301 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14302 nBytes = MSG_SIZ - 1;
14304 (void) memcpy(msg, buffer, nBytes);
14306 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14308 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14309 cmailMailedMove = TRUE; /* Prevent >1 moves */
14312 for (i = 0; i < nCmailGames; i ++) {
14313 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14318 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14320 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14322 appData.cmailGameName,
14324 LoadGameFromFile(buffer, 1, buffer, FALSE);
14325 cmailMsgLoaded = FALSE;
14329 DisplayInformation(msg);
14330 pclose(commandOutput);
14333 if ((*cmailMsg) != '\0') {
14334 DisplayInformation(cmailMsg);
14339 #endif /* !WIN32 */
14348 int prependComma = 0;
14350 char string[MSG_SIZ]; /* Space for game-list */
14353 if (!cmailMsgLoaded) return "";
14355 if (cmailMailedMove) {
14356 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14358 /* Create a list of games left */
14359 snprintf(string, MSG_SIZ, "[");
14360 for (i = 0; i < nCmailGames; i ++) {
14361 if (! ( cmailMoveRegistered[i]
14362 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14363 if (prependComma) {
14364 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14366 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14370 strcat(string, number);
14373 strcat(string, "]");
14375 if (nCmailMovesRegistered + nCmailResults == 0) {
14376 switch (nCmailGames) {
14378 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14382 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14386 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14391 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14393 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14398 if (nCmailResults == nCmailGames) {
14399 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14401 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14406 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14418 if (gameMode == Training)
14419 SetTrainingModeOff();
14422 cmailMsgLoaded = FALSE;
14423 if (appData.icsActive) {
14424 SendToICS(ics_prefix);
14425 SendToICS("refresh\n");
14430 ExitEvent (int status)
14434 /* Give up on clean exit */
14438 /* Keep trying for clean exit */
14442 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14443 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14445 if (telnetISR != NULL) {
14446 RemoveInputSource(telnetISR);
14448 if (icsPR != NoProc) {
14449 DestroyChildProcess(icsPR, TRUE);
14452 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14453 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14455 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14456 /* make sure this other one finishes before killing it! */
14457 if(endingGame) { int count = 0;
14458 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14459 while(endingGame && count++ < 10) DoSleep(1);
14460 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14463 /* Kill off chess programs */
14464 if (first.pr != NoProc) {
14467 DoSleep( appData.delayBeforeQuit );
14468 SendToProgram("quit\n", &first);
14469 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14471 if (second.pr != NoProc) {
14472 DoSleep( appData.delayBeforeQuit );
14473 SendToProgram("quit\n", &second);
14474 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14476 if (first.isr != NULL) {
14477 RemoveInputSource(first.isr);
14479 if (second.isr != NULL) {
14480 RemoveInputSource(second.isr);
14483 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14484 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14486 ShutDownFrontEnd();
14491 PauseEngine (ChessProgramState *cps)
14493 SendToProgram("pause\n", cps);
14498 UnPauseEngine (ChessProgramState *cps)
14500 SendToProgram("resume\n", cps);
14507 if (appData.debugMode)
14508 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14512 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14514 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14515 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14516 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14518 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14519 HandleMachineMove(stashedInputMove, stalledEngine);
14520 stalledEngine = NULL;
14523 if (gameMode == MachinePlaysWhite ||
14524 gameMode == TwoMachinesPlay ||
14525 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14526 if(first.pause) UnPauseEngine(&first);
14527 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14528 if(second.pause) UnPauseEngine(&second);
14529 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14532 DisplayBothClocks();
14534 if (gameMode == PlayFromGameFile) {
14535 if (appData.timeDelay >= 0)
14536 AutoPlayGameLoop();
14537 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14538 Reset(FALSE, TRUE);
14539 SendToICS(ics_prefix);
14540 SendToICS("refresh\n");
14541 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14542 ForwardInner(forwardMostMove);
14544 pauseExamInvalid = FALSE;
14546 switch (gameMode) {
14550 pauseExamForwardMostMove = forwardMostMove;
14551 pauseExamInvalid = FALSE;
14554 case IcsPlayingWhite:
14555 case IcsPlayingBlack:
14559 case PlayFromGameFile:
14560 (void) StopLoadGameTimer();
14564 case BeginningOfGame:
14565 if (appData.icsActive) return;
14566 /* else fall through */
14567 case MachinePlaysWhite:
14568 case MachinePlaysBlack:
14569 case TwoMachinesPlay:
14570 if (forwardMostMove == 0)
14571 return; /* don't pause if no one has moved */
14572 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14573 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14574 if(onMove->pause) { // thinking engine can be paused
14575 PauseEngine(onMove); // do it
14576 if(onMove->other->pause) // pondering opponent can always be paused immediately
14577 PauseEngine(onMove->other);
14579 SendToProgram("easy\n", onMove->other);
14581 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14582 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14584 PauseEngine(&first);
14586 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14587 } else { // human on move, pause pondering by either method
14589 PauseEngine(&first);
14590 else if(appData.ponderNextMove)
14591 SendToProgram("easy\n", &first);
14594 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14604 EditCommentEvent ()
14606 char title[MSG_SIZ];
14608 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14609 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14611 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14612 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14613 parseList[currentMove - 1]);
14616 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14623 char *tags = PGNTags(&gameInfo);
14625 EditTagsPopUp(tags, NULL);
14632 if(second.analyzing) {
14633 SendToProgram("exit\n", &second);
14634 second.analyzing = FALSE;
14636 if (second.pr == NoProc) StartChessProgram(&second);
14637 InitChessProgram(&second, FALSE);
14638 FeedMovesToProgram(&second, currentMove);
14640 SendToProgram("analyze\n", &second);
14641 second.analyzing = TRUE;
14645 /* Toggle ShowThinking */
14647 ToggleShowThinking()
14649 appData.showThinking = !appData.showThinking;
14650 ShowThinkingEvent();
14654 AnalyzeModeEvent ()
14658 if (!first.analysisSupport) {
14659 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14660 DisplayError(buf, 0);
14663 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14664 if (appData.icsActive) {
14665 if (gameMode != IcsObserving) {
14666 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14667 DisplayError(buf, 0);
14669 if (appData.icsEngineAnalyze) {
14670 if (appData.debugMode)
14671 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14677 /* if enable, user wants to disable icsEngineAnalyze */
14678 if (appData.icsEngineAnalyze) {
14683 appData.icsEngineAnalyze = TRUE;
14684 if (appData.debugMode)
14685 fprintf(debugFP, "ICS engine analyze starting... \n");
14688 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14689 if (appData.noChessProgram || gameMode == AnalyzeMode)
14692 if (gameMode != AnalyzeFile) {
14693 if (!appData.icsEngineAnalyze) {
14695 if (gameMode != EditGame) return 0;
14697 if (!appData.showThinking) ToggleShowThinking();
14698 ResurrectChessProgram();
14699 SendToProgram("analyze\n", &first);
14700 first.analyzing = TRUE;
14701 /*first.maybeThinking = TRUE;*/
14702 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14703 EngineOutputPopUp();
14705 if (!appData.icsEngineAnalyze) {
14706 gameMode = AnalyzeMode;
14707 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14713 StartAnalysisClock();
14714 GetTimeMark(&lastNodeCountTime);
14720 AnalyzeFileEvent ()
14722 if (appData.noChessProgram || gameMode == AnalyzeFile)
14725 if (!first.analysisSupport) {
14727 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14728 DisplayError(buf, 0);
14732 if (gameMode != AnalyzeMode) {
14733 keepInfo = 1; // mere annotating should not alter PGN tags
14736 if (gameMode != EditGame) return;
14737 if (!appData.showThinking) ToggleShowThinking();
14738 ResurrectChessProgram();
14739 SendToProgram("analyze\n", &first);
14740 first.analyzing = TRUE;
14741 /*first.maybeThinking = TRUE;*/
14742 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14743 EngineOutputPopUp();
14745 gameMode = AnalyzeFile;
14749 StartAnalysisClock();
14750 GetTimeMark(&lastNodeCountTime);
14752 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14753 AnalysisPeriodicEvent(1);
14757 MachineWhiteEvent ()
14760 char *bookHit = NULL;
14762 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14766 if (gameMode == PlayFromGameFile ||
14767 gameMode == TwoMachinesPlay ||
14768 gameMode == Training ||
14769 gameMode == AnalyzeMode ||
14770 gameMode == EndOfGame)
14773 if (gameMode == EditPosition)
14774 EditPositionDone(TRUE);
14776 if (!WhiteOnMove(currentMove)) {
14777 DisplayError(_("It is not White's turn"), 0);
14781 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14784 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14785 gameMode == AnalyzeFile)
14788 ResurrectChessProgram(); /* in case it isn't running */
14789 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14790 gameMode = MachinePlaysWhite;
14793 gameMode = MachinePlaysWhite;
14797 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14799 if (first.sendName) {
14800 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14801 SendToProgram(buf, &first);
14803 if (first.sendTime) {
14804 if (first.useColors) {
14805 SendToProgram("black\n", &first); /*gnu kludge*/
14807 SendTimeRemaining(&first, TRUE);
14809 if (first.useColors) {
14810 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14812 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14813 SetMachineThinkingEnables();
14814 first.maybeThinking = TRUE;
14818 if (appData.autoFlipView && !flipView) {
14819 flipView = !flipView;
14820 DrawPosition(FALSE, NULL);
14821 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14824 if(bookHit) { // [HGM] book: simulate book reply
14825 static char bookMove[MSG_SIZ]; // a bit generous?
14827 programStats.nodes = programStats.depth = programStats.time =
14828 programStats.score = programStats.got_only_move = 0;
14829 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14831 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14832 strcat(bookMove, bookHit);
14833 HandleMachineMove(bookMove, &first);
14838 MachineBlackEvent ()
14841 char *bookHit = NULL;
14843 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14847 if (gameMode == PlayFromGameFile ||
14848 gameMode == TwoMachinesPlay ||
14849 gameMode == Training ||
14850 gameMode == AnalyzeMode ||
14851 gameMode == EndOfGame)
14854 if (gameMode == EditPosition)
14855 EditPositionDone(TRUE);
14857 if (WhiteOnMove(currentMove)) {
14858 DisplayError(_("It is not Black's turn"), 0);
14862 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14865 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14866 gameMode == AnalyzeFile)
14869 ResurrectChessProgram(); /* in case it isn't running */
14870 gameMode = MachinePlaysBlack;
14874 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14876 if (first.sendName) {
14877 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14878 SendToProgram(buf, &first);
14880 if (first.sendTime) {
14881 if (first.useColors) {
14882 SendToProgram("white\n", &first); /*gnu kludge*/
14884 SendTimeRemaining(&first, FALSE);
14886 if (first.useColors) {
14887 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14889 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14890 SetMachineThinkingEnables();
14891 first.maybeThinking = TRUE;
14894 if (appData.autoFlipView && flipView) {
14895 flipView = !flipView;
14896 DrawPosition(FALSE, NULL);
14897 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14899 if(bookHit) { // [HGM] book: simulate book reply
14900 static char bookMove[MSG_SIZ]; // a bit generous?
14902 programStats.nodes = programStats.depth = programStats.time =
14903 programStats.score = programStats.got_only_move = 0;
14904 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14906 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14907 strcat(bookMove, bookHit);
14908 HandleMachineMove(bookMove, &first);
14914 DisplayTwoMachinesTitle ()
14917 if (appData.matchGames > 0) {
14918 if(appData.tourneyFile[0]) {
14919 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14920 gameInfo.white, _("vs."), gameInfo.black,
14921 nextGame+1, appData.matchGames+1,
14922 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14924 if (first.twoMachinesColor[0] == 'w') {
14925 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14926 gameInfo.white, _("vs."), gameInfo.black,
14927 first.matchWins, second.matchWins,
14928 matchGame - 1 - (first.matchWins + second.matchWins));
14930 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14931 gameInfo.white, _("vs."), gameInfo.black,
14932 second.matchWins, first.matchWins,
14933 matchGame - 1 - (first.matchWins + second.matchWins));
14936 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14942 SettingsMenuIfReady ()
14944 if (second.lastPing != second.lastPong) {
14945 DisplayMessage("", _("Waiting for second chess program"));
14946 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14950 DisplayMessage("", "");
14951 SettingsPopUp(&second);
14955 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14958 if (cps->pr == NoProc) {
14959 StartChessProgram(cps);
14960 if (cps->protocolVersion == 1) {
14962 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14964 /* kludge: allow timeout for initial "feature" command */
14965 if(retry != TwoMachinesEventIfReady) FreezeUI();
14966 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14967 DisplayMessage("", buf);
14968 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14976 TwoMachinesEvent P((void))
14980 ChessProgramState *onmove;
14981 char *bookHit = NULL;
14982 static int stalling = 0;
14986 if (appData.noChessProgram) return;
14988 switch (gameMode) {
14989 case TwoMachinesPlay:
14991 case MachinePlaysWhite:
14992 case MachinePlaysBlack:
14993 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14994 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14998 case BeginningOfGame:
14999 case PlayFromGameFile:
15002 if (gameMode != EditGame) return;
15005 EditPositionDone(TRUE);
15016 // forwardMostMove = currentMove;
15017 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
15018 startingEngine = TRUE;
15020 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
15022 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
15023 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
15024 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15027 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
15029 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
15030 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
15031 startingEngine = matchMode = FALSE;
15032 DisplayError("second engine does not play this", 0);
15033 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
15034 EditGameEvent(); // switch back to EditGame mode
15039 InitChessProgram(&second, FALSE); // unbalances ping of second engine
15040 SendToProgram("force\n", &second);
15042 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15045 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
15046 if(appData.matchPause>10000 || appData.matchPause<10)
15047 appData.matchPause = 10000; /* [HGM] make pause adjustable */
15048 wait = SubtractTimeMarks(&now, &pauseStart);
15049 if(wait < appData.matchPause) {
15050 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
15053 // we are now committed to starting the game
15055 DisplayMessage("", "");
15056 if (startedFromSetupPosition) {
15057 SendBoard(&second, backwardMostMove);
15058 if (appData.debugMode) {
15059 fprintf(debugFP, "Two Machines\n");
15062 for (i = backwardMostMove; i < forwardMostMove; i++) {
15063 SendMoveToProgram(i, &second);
15066 gameMode = TwoMachinesPlay;
15067 pausing = startingEngine = FALSE;
15068 ModeHighlight(); // [HGM] logo: this triggers display update of logos
15070 DisplayTwoMachinesTitle();
15072 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
15077 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
15078 SendToProgram(first.computerString, &first);
15079 if (first.sendName) {
15080 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
15081 SendToProgram(buf, &first);
15083 SendToProgram(second.computerString, &second);
15084 if (second.sendName) {
15085 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
15086 SendToProgram(buf, &second);
15090 if (!first.sendTime || !second.sendTime) {
15091 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15092 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15094 if (onmove->sendTime) {
15095 if (onmove->useColors) {
15096 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
15098 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
15100 if (onmove->useColors) {
15101 SendToProgram(onmove->twoMachinesColor, onmove);
15103 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
15104 // SendToProgram("go\n", onmove);
15105 onmove->maybeThinking = TRUE;
15106 SetMachineThinkingEnables();
15110 if(bookHit) { // [HGM] book: simulate book reply
15111 static char bookMove[MSG_SIZ]; // a bit generous?
15113 programStats.nodes = programStats.depth = programStats.time =
15114 programStats.score = programStats.got_only_move = 0;
15115 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15117 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15118 strcat(bookMove, bookHit);
15119 savedMessage = bookMove; // args for deferred call
15120 savedState = onmove;
15121 ScheduleDelayedEvent(DeferredBookMove, 1);
15128 if (gameMode == Training) {
15129 SetTrainingModeOff();
15130 gameMode = PlayFromGameFile;
15131 DisplayMessage("", _("Training mode off"));
15133 gameMode = Training;
15134 animateTraining = appData.animate;
15136 /* make sure we are not already at the end of the game */
15137 if (currentMove < forwardMostMove) {
15138 SetTrainingModeOn();
15139 DisplayMessage("", _("Training mode on"));
15141 gameMode = PlayFromGameFile;
15142 DisplayError(_("Already at end of game"), 0);
15151 if (!appData.icsActive) return;
15152 switch (gameMode) {
15153 case IcsPlayingWhite:
15154 case IcsPlayingBlack:
15157 case BeginningOfGame:
15165 EditPositionDone(TRUE);
15178 gameMode = IcsIdle;
15188 switch (gameMode) {
15190 SetTrainingModeOff();
15192 case MachinePlaysWhite:
15193 case MachinePlaysBlack:
15194 case BeginningOfGame:
15195 SendToProgram("force\n", &first);
15196 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15197 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15199 abortEngineThink = TRUE;
15200 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15201 SendToProgram(buf, &first);
15202 DisplayMessage("Aborting engine think", "");
15206 SetUserThinkingEnables();
15208 case PlayFromGameFile:
15209 (void) StopLoadGameTimer();
15210 if (gameFileFP != NULL) {
15215 EditPositionDone(TRUE);
15220 SendToProgram("force\n", &first);
15222 case TwoMachinesPlay:
15223 GameEnds(EndOfFile, NULL, GE_PLAYER);
15224 ResurrectChessProgram();
15225 SetUserThinkingEnables();
15228 ResurrectChessProgram();
15230 case IcsPlayingBlack:
15231 case IcsPlayingWhite:
15232 DisplayError(_("Warning: You are still playing a game"), 0);
15235 DisplayError(_("Warning: You are still observing a game"), 0);
15238 DisplayError(_("Warning: You are still examining a game"), 0);
15249 first.offeredDraw = second.offeredDraw = 0;
15251 if (gameMode == PlayFromGameFile) {
15252 whiteTimeRemaining = timeRemaining[0][currentMove];
15253 blackTimeRemaining = timeRemaining[1][currentMove];
15257 if (gameMode == MachinePlaysWhite ||
15258 gameMode == MachinePlaysBlack ||
15259 gameMode == TwoMachinesPlay ||
15260 gameMode == EndOfGame) {
15261 i = forwardMostMove;
15262 while (i > currentMove) {
15263 SendToProgram("undo\n", &first);
15266 if(!adjustedClock) {
15267 whiteTimeRemaining = timeRemaining[0][currentMove];
15268 blackTimeRemaining = timeRemaining[1][currentMove];
15269 DisplayBothClocks();
15271 if (whiteFlag || blackFlag) {
15272 whiteFlag = blackFlag = 0;
15277 gameMode = EditGame;
15284 EditPositionEvent ()
15286 if (gameMode == EditPosition) {
15292 if (gameMode != EditGame) return;
15294 gameMode = EditPosition;
15297 if (currentMove > 0)
15298 CopyBoard(boards[0], boards[currentMove]);
15300 blackPlaysFirst = !WhiteOnMove(currentMove);
15302 currentMove = forwardMostMove = backwardMostMove = 0;
15303 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15305 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15311 /* [DM] icsEngineAnalyze - possible call from other functions */
15312 if (appData.icsEngineAnalyze) {
15313 appData.icsEngineAnalyze = FALSE;
15315 DisplayMessage("",_("Close ICS engine analyze..."));
15317 if (first.analysisSupport && first.analyzing) {
15318 SendToBoth("exit\n");
15319 first.analyzing = second.analyzing = FALSE;
15321 thinkOutput[0] = NULLCHAR;
15325 EditPositionDone (Boolean fakeRights)
15327 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15329 startedFromSetupPosition = TRUE;
15330 InitChessProgram(&first, FALSE);
15331 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15332 boards[0][EP_STATUS] = EP_NONE;
15333 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
15334 if(boards[0][0][BOARD_WIDTH>>1] == king) {
15335 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
15336 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
15337 } else boards[0][CASTLING][2] = NoRights;
15338 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
15339 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
15340 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
15341 } else boards[0][CASTLING][5] = NoRights;
15342 if(gameInfo.variant == VariantSChess) {
15344 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
15345 boards[0][VIRGIN][i] = 0;
15346 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
15347 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
15351 SendToProgram("force\n", &first);
15352 if (blackPlaysFirst) {
15353 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15354 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15355 currentMove = forwardMostMove = backwardMostMove = 1;
15356 CopyBoard(boards[1], boards[0]);
15358 currentMove = forwardMostMove = backwardMostMove = 0;
15360 SendBoard(&first, forwardMostMove);
15361 if (appData.debugMode) {
15362 fprintf(debugFP, "EditPosDone\n");
15365 DisplayMessage("", "");
15366 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15367 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15368 gameMode = EditGame;
15370 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15371 ClearHighlights(); /* [AS] */
15374 /* Pause for `ms' milliseconds */
15375 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15377 TimeDelay (long ms)
15384 } while (SubtractTimeMarks(&m2, &m1) < ms);
15387 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15389 SendMultiLineToICS (char *buf)
15391 char temp[MSG_SIZ+1], *p;
15398 strncpy(temp, buf, len);
15403 if (*p == '\n' || *p == '\r')
15408 strcat(temp, "\n");
15410 SendToPlayer(temp, strlen(temp));
15414 SetWhiteToPlayEvent ()
15416 if (gameMode == EditPosition) {
15417 blackPlaysFirst = FALSE;
15418 DisplayBothClocks(); /* works because currentMove is 0 */
15419 } else if (gameMode == IcsExamining) {
15420 SendToICS(ics_prefix);
15421 SendToICS("tomove white\n");
15426 SetBlackToPlayEvent ()
15428 if (gameMode == EditPosition) {
15429 blackPlaysFirst = TRUE;
15430 currentMove = 1; /* kludge */
15431 DisplayBothClocks();
15433 } else if (gameMode == IcsExamining) {
15434 SendToICS(ics_prefix);
15435 SendToICS("tomove black\n");
15440 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15443 ChessSquare piece = boards[0][y][x];
15444 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15445 static int lastVariant;
15447 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15449 switch (selection) {
15451 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15452 MarkTargetSquares(1);
15453 CopyBoard(currentBoard, boards[0]);
15454 CopyBoard(menuBoard, initialPosition);
15455 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15456 SendToICS(ics_prefix);
15457 SendToICS("bsetup clear\n");
15458 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15459 SendToICS(ics_prefix);
15460 SendToICS("clearboard\n");
15463 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15464 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15465 for (y = 0; y < BOARD_HEIGHT; y++) {
15466 if (gameMode == IcsExamining) {
15467 if (boards[currentMove][y][x] != EmptySquare) {
15468 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15472 } else if(boards[0][y][x] != DarkSquare) {
15473 if(boards[0][y][x] != p) nonEmpty++;
15474 boards[0][y][x] = p;
15478 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15480 for(r = 0; r < BOARD_HEIGHT; r++) {
15481 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15482 ChessSquare p = menuBoard[r][x];
15483 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15486 DisplayMessage("Clicking clock again restores position", "");
15487 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15488 if(!nonEmpty) { // asked to clear an empty board
15489 CopyBoard(boards[0], menuBoard);
15491 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15492 CopyBoard(boards[0], initialPosition);
15494 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15495 && !CompareBoards(nullBoard, erasedBoard)) {
15496 CopyBoard(boards[0], erasedBoard);
15498 CopyBoard(erasedBoard, currentBoard);
15502 if (gameMode == EditPosition) {
15503 DrawPosition(FALSE, boards[0]);
15508 SetWhiteToPlayEvent();
15512 SetBlackToPlayEvent();
15516 if (gameMode == IcsExamining) {
15517 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15518 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15521 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15522 if(x == BOARD_LEFT-2) {
15523 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15524 boards[0][y][1] = 0;
15526 if(x == BOARD_RGHT+1) {
15527 if(y >= gameInfo.holdingsSize) break;
15528 boards[0][y][BOARD_WIDTH-2] = 0;
15531 boards[0][y][x] = EmptySquare;
15532 DrawPosition(FALSE, boards[0]);
15537 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15538 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15539 selection = (ChessSquare) (PROMOTED(piece));
15540 } else if(piece == EmptySquare) selection = WhiteSilver;
15541 else selection = (ChessSquare)((int)piece - 1);
15545 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15546 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15547 selection = (ChessSquare) (DEMOTED(piece));
15548 } else if(piece == EmptySquare) selection = BlackSilver;
15549 else selection = (ChessSquare)((int)piece + 1);
15554 if(gameInfo.variant == VariantShatranj ||
15555 gameInfo.variant == VariantXiangqi ||
15556 gameInfo.variant == VariantCourier ||
15557 gameInfo.variant == VariantASEAN ||
15558 gameInfo.variant == VariantMakruk )
15559 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15564 if(gameInfo.variant == VariantXiangqi)
15565 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15566 if(gameInfo.variant == VariantKnightmate)
15567 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15570 if (gameMode == IcsExamining) {
15571 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15572 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15573 PieceToChar(selection), AAA + x, ONE + y);
15576 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15578 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15579 n = PieceToNumber(selection - BlackPawn);
15580 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15581 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15582 boards[0][BOARD_HEIGHT-1-n][1]++;
15584 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15585 n = PieceToNumber(selection);
15586 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15587 boards[0][n][BOARD_WIDTH-1] = selection;
15588 boards[0][n][BOARD_WIDTH-2]++;
15591 boards[0][y][x] = selection;
15592 DrawPosition(TRUE, boards[0]);
15594 fromX = fromY = -1;
15602 DropMenuEvent (ChessSquare selection, int x, int y)
15604 ChessMove moveType;
15606 switch (gameMode) {
15607 case IcsPlayingWhite:
15608 case MachinePlaysBlack:
15609 if (!WhiteOnMove(currentMove)) {
15610 DisplayMoveError(_("It is Black's turn"));
15613 moveType = WhiteDrop;
15615 case IcsPlayingBlack:
15616 case MachinePlaysWhite:
15617 if (WhiteOnMove(currentMove)) {
15618 DisplayMoveError(_("It is White's turn"));
15621 moveType = BlackDrop;
15624 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15630 if (moveType == BlackDrop && selection < BlackPawn) {
15631 selection = (ChessSquare) ((int) selection
15632 + (int) BlackPawn - (int) WhitePawn);
15634 if (boards[currentMove][y][x] != EmptySquare) {
15635 DisplayMoveError(_("That square is occupied"));
15639 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15645 /* Accept a pending offer of any kind from opponent */
15647 if (appData.icsActive) {
15648 SendToICS(ics_prefix);
15649 SendToICS("accept\n");
15650 } else if (cmailMsgLoaded) {
15651 if (currentMove == cmailOldMove &&
15652 commentList[cmailOldMove] != NULL &&
15653 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15654 "Black offers a draw" : "White offers a draw")) {
15656 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15657 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15659 DisplayError(_("There is no pending offer on this move"), 0);
15660 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15663 /* Not used for offers from chess program */
15670 /* Decline a pending offer of any kind from opponent */
15672 if (appData.icsActive) {
15673 SendToICS(ics_prefix);
15674 SendToICS("decline\n");
15675 } else if (cmailMsgLoaded) {
15676 if (currentMove == cmailOldMove &&
15677 commentList[cmailOldMove] != NULL &&
15678 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15679 "Black offers a draw" : "White offers a draw")) {
15681 AppendComment(cmailOldMove, "Draw declined", TRUE);
15682 DisplayComment(cmailOldMove - 1, "Draw declined");
15685 DisplayError(_("There is no pending offer on this move"), 0);
15688 /* Not used for offers from chess program */
15695 /* Issue ICS rematch command */
15696 if (appData.icsActive) {
15697 SendToICS(ics_prefix);
15698 SendToICS("rematch\n");
15705 /* Call your opponent's flag (claim a win on time) */
15706 if (appData.icsActive) {
15707 SendToICS(ics_prefix);
15708 SendToICS("flag\n");
15710 switch (gameMode) {
15713 case MachinePlaysWhite:
15716 GameEnds(GameIsDrawn, "Both players ran out of time",
15719 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15721 DisplayError(_("Your opponent is not out of time"), 0);
15724 case MachinePlaysBlack:
15727 GameEnds(GameIsDrawn, "Both players ran out of time",
15730 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15732 DisplayError(_("Your opponent is not out of time"), 0);
15740 ClockClick (int which)
15741 { // [HGM] code moved to back-end from winboard.c
15742 if(which) { // black clock
15743 if (gameMode == EditPosition || gameMode == IcsExamining) {
15744 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15745 SetBlackToPlayEvent();
15746 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15747 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15748 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15749 } else if (shiftKey) {
15750 AdjustClock(which, -1);
15751 } else if (gameMode == IcsPlayingWhite ||
15752 gameMode == MachinePlaysBlack) {
15755 } else { // white clock
15756 if (gameMode == EditPosition || gameMode == IcsExamining) {
15757 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15758 SetWhiteToPlayEvent();
15759 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15760 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15761 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15762 } else if (shiftKey) {
15763 AdjustClock(which, -1);
15764 } else if (gameMode == IcsPlayingBlack ||
15765 gameMode == MachinePlaysWhite) {
15774 /* Offer draw or accept pending draw offer from opponent */
15776 if (appData.icsActive) {
15777 /* Note: tournament rules require draw offers to be
15778 made after you make your move but before you punch
15779 your clock. Currently ICS doesn't let you do that;
15780 instead, you immediately punch your clock after making
15781 a move, but you can offer a draw at any time. */
15783 SendToICS(ics_prefix);
15784 SendToICS("draw\n");
15785 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15786 } else if (cmailMsgLoaded) {
15787 if (currentMove == cmailOldMove &&
15788 commentList[cmailOldMove] != NULL &&
15789 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15790 "Black offers a draw" : "White offers a draw")) {
15791 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15792 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15793 } else if (currentMove == cmailOldMove + 1) {
15794 char *offer = WhiteOnMove(cmailOldMove) ?
15795 "White offers a draw" : "Black offers a draw";
15796 AppendComment(currentMove, offer, TRUE);
15797 DisplayComment(currentMove - 1, offer);
15798 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15800 DisplayError(_("You must make your move before offering a draw"), 0);
15801 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15803 } else if (first.offeredDraw) {
15804 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15806 if (first.sendDrawOffers) {
15807 SendToProgram("draw\n", &first);
15808 userOfferedDraw = TRUE;
15816 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15818 if (appData.icsActive) {
15819 SendToICS(ics_prefix);
15820 SendToICS("adjourn\n");
15822 /* Currently GNU Chess doesn't offer or accept Adjourns */
15830 /* Offer Abort or accept pending Abort offer from opponent */
15832 if (appData.icsActive) {
15833 SendToICS(ics_prefix);
15834 SendToICS("abort\n");
15836 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15843 /* Resign. You can do this even if it's not your turn. */
15845 if (appData.icsActive) {
15846 SendToICS(ics_prefix);
15847 SendToICS("resign\n");
15849 switch (gameMode) {
15850 case MachinePlaysWhite:
15851 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15853 case MachinePlaysBlack:
15854 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15857 if (cmailMsgLoaded) {
15859 if (WhiteOnMove(cmailOldMove)) {
15860 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15862 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15864 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15875 StopObservingEvent ()
15877 /* Stop observing current games */
15878 SendToICS(ics_prefix);
15879 SendToICS("unobserve\n");
15883 StopExaminingEvent ()
15885 /* Stop observing current game */
15886 SendToICS(ics_prefix);
15887 SendToICS("unexamine\n");
15891 ForwardInner (int target)
15893 int limit; int oldSeekGraphUp = seekGraphUp;
15895 if (appData.debugMode)
15896 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15897 target, currentMove, forwardMostMove);
15899 if (gameMode == EditPosition)
15902 seekGraphUp = FALSE;
15903 MarkTargetSquares(1);
15904 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15906 if (gameMode == PlayFromGameFile && !pausing)
15909 if (gameMode == IcsExamining && pausing)
15910 limit = pauseExamForwardMostMove;
15912 limit = forwardMostMove;
15914 if (target > limit) target = limit;
15916 if (target > 0 && moveList[target - 1][0]) {
15917 int fromX, fromY, toX, toY;
15918 toX = moveList[target - 1][2] - AAA;
15919 toY = moveList[target - 1][3] - ONE;
15920 if (moveList[target - 1][1] == '@') {
15921 if (appData.highlightLastMove) {
15922 SetHighlights(-1, -1, toX, toY);
15925 fromX = moveList[target - 1][0] - AAA;
15926 fromY = moveList[target - 1][1] - ONE;
15927 if (target == currentMove + 1) {
15928 if(moveList[target - 1][4] == ';') { // multi-leg
15929 killX = moveList[target - 1][5] - AAA;
15930 killY = moveList[target - 1][6] - ONE;
15932 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15933 killX = killY = -1;
15935 if (appData.highlightLastMove) {
15936 SetHighlights(fromX, fromY, toX, toY);
15940 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15941 gameMode == Training || gameMode == PlayFromGameFile ||
15942 gameMode == AnalyzeFile) {
15943 while (currentMove < target) {
15944 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15945 SendMoveToProgram(currentMove++, &first);
15948 currentMove = target;
15951 if (gameMode == EditGame || gameMode == EndOfGame) {
15952 whiteTimeRemaining = timeRemaining[0][currentMove];
15953 blackTimeRemaining = timeRemaining[1][currentMove];
15955 DisplayBothClocks();
15956 DisplayMove(currentMove - 1);
15957 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15958 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15959 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15960 DisplayComment(currentMove - 1, commentList[currentMove]);
15962 ClearMap(); // [HGM] exclude: invalidate map
15969 if (gameMode == IcsExamining && !pausing) {
15970 SendToICS(ics_prefix);
15971 SendToICS("forward\n");
15973 ForwardInner(currentMove + 1);
15980 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15981 /* to optimze, we temporarily turn off analysis mode while we feed
15982 * the remaining moves to the engine. Otherwise we get analysis output
15985 if (first.analysisSupport) {
15986 SendToProgram("exit\nforce\n", &first);
15987 first.analyzing = FALSE;
15991 if (gameMode == IcsExamining && !pausing) {
15992 SendToICS(ics_prefix);
15993 SendToICS("forward 999999\n");
15995 ForwardInner(forwardMostMove);
15998 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15999 /* we have fed all the moves, so reactivate analysis mode */
16000 SendToProgram("analyze\n", &first);
16001 first.analyzing = TRUE;
16002 /*first.maybeThinking = TRUE;*/
16003 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16008 BackwardInner (int target)
16010 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
16012 if (appData.debugMode)
16013 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
16014 target, currentMove, forwardMostMove);
16016 if (gameMode == EditPosition) return;
16017 seekGraphUp = FALSE;
16018 MarkTargetSquares(1);
16019 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
16020 if (currentMove <= backwardMostMove) {
16022 DrawPosition(full_redraw, boards[currentMove]);
16025 if (gameMode == PlayFromGameFile && !pausing)
16028 if (moveList[target][0]) {
16029 int fromX, fromY, toX, toY;
16030 toX = moveList[target][2] - AAA;
16031 toY = moveList[target][3] - ONE;
16032 if (moveList[target][1] == '@') {
16033 if (appData.highlightLastMove) {
16034 SetHighlights(-1, -1, toX, toY);
16037 fromX = moveList[target][0] - AAA;
16038 fromY = moveList[target][1] - ONE;
16039 if (target == currentMove - 1) {
16040 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
16042 if (appData.highlightLastMove) {
16043 SetHighlights(fromX, fromY, toX, toY);
16047 if (gameMode == EditGame || gameMode==AnalyzeMode ||
16048 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
16049 while (currentMove > target) {
16050 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
16051 // null move cannot be undone. Reload program with move history before it.
16053 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
16054 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
16056 SendBoard(&first, i);
16057 if(second.analyzing) SendBoard(&second, i);
16058 for(currentMove=i; currentMove<target; currentMove++) {
16059 SendMoveToProgram(currentMove, &first);
16060 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16064 SendToBoth("undo\n");
16068 currentMove = target;
16071 if (gameMode == EditGame || gameMode == EndOfGame) {
16072 whiteTimeRemaining = timeRemaining[0][currentMove];
16073 blackTimeRemaining = timeRemaining[1][currentMove];
16075 DisplayBothClocks();
16076 DisplayMove(currentMove - 1);
16077 DrawPosition(full_redraw, boards[currentMove]);
16078 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16079 // [HGM] PV info: routine tests if comment empty
16080 DisplayComment(currentMove - 1, commentList[currentMove]);
16081 ClearMap(); // [HGM] exclude: invalidate map
16087 if (gameMode == IcsExamining && !pausing) {
16088 SendToICS(ics_prefix);
16089 SendToICS("backward\n");
16091 BackwardInner(currentMove - 1);
16098 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16099 /* to optimize, we temporarily turn off analysis mode while we undo
16100 * all the moves. Otherwise we get analysis output after each undo.
16102 if (first.analysisSupport) {
16103 SendToProgram("exit\nforce\n", &first);
16104 first.analyzing = FALSE;
16108 if (gameMode == IcsExamining && !pausing) {
16109 SendToICS(ics_prefix);
16110 SendToICS("backward 999999\n");
16112 BackwardInner(backwardMostMove);
16115 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16116 /* we have fed all the moves, so reactivate analysis mode */
16117 SendToProgram("analyze\n", &first);
16118 first.analyzing = TRUE;
16119 /*first.maybeThinking = TRUE;*/
16120 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16127 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
16128 if (to >= forwardMostMove) to = forwardMostMove;
16129 if (to <= backwardMostMove) to = backwardMostMove;
16130 if (to < currentMove) {
16138 RevertEvent (Boolean annotate)
16140 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
16143 if (gameMode != IcsExamining) {
16144 DisplayError(_("You are not examining a game"), 0);
16148 DisplayError(_("You can't revert while pausing"), 0);
16151 SendToICS(ics_prefix);
16152 SendToICS("revert\n");
16156 RetractMoveEvent ()
16158 switch (gameMode) {
16159 case MachinePlaysWhite:
16160 case MachinePlaysBlack:
16161 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
16162 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
16165 if (forwardMostMove < 2) return;
16166 currentMove = forwardMostMove = forwardMostMove - 2;
16167 whiteTimeRemaining = timeRemaining[0][currentMove];
16168 blackTimeRemaining = timeRemaining[1][currentMove];
16169 DisplayBothClocks();
16170 DisplayMove(currentMove - 1);
16171 ClearHighlights();/*!! could figure this out*/
16172 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16173 SendToProgram("remove\n", &first);
16174 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16177 case BeginningOfGame:
16181 case IcsPlayingWhite:
16182 case IcsPlayingBlack:
16183 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16184 SendToICS(ics_prefix);
16185 SendToICS("takeback 2\n");
16187 SendToICS(ics_prefix);
16188 SendToICS("takeback 1\n");
16197 ChessProgramState *cps;
16199 switch (gameMode) {
16200 case MachinePlaysWhite:
16201 if (!WhiteOnMove(forwardMostMove)) {
16202 DisplayError(_("It is your turn"), 0);
16207 case MachinePlaysBlack:
16208 if (WhiteOnMove(forwardMostMove)) {
16209 DisplayError(_("It is your turn"), 0);
16214 case TwoMachinesPlay:
16215 if (WhiteOnMove(forwardMostMove) ==
16216 (first.twoMachinesColor[0] == 'w')) {
16222 case BeginningOfGame:
16226 SendToProgram("?\n", cps);
16230 TruncateGameEvent ()
16233 if (gameMode != EditGame) return;
16240 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16241 if (forwardMostMove > currentMove) {
16242 if (gameInfo.resultDetails != NULL) {
16243 free(gameInfo.resultDetails);
16244 gameInfo.resultDetails = NULL;
16245 gameInfo.result = GameUnfinished;
16247 forwardMostMove = currentMove;
16248 HistorySet(parseList, backwardMostMove, forwardMostMove,
16256 if (appData.noChessProgram) return;
16257 switch (gameMode) {
16258 case MachinePlaysWhite:
16259 if (WhiteOnMove(forwardMostMove)) {
16260 DisplayError(_("Wait until your turn."), 0);
16264 case BeginningOfGame:
16265 case MachinePlaysBlack:
16266 if (!WhiteOnMove(forwardMostMove)) {
16267 DisplayError(_("Wait until your turn."), 0);
16272 DisplayError(_("No hint available"), 0);
16275 SendToProgram("hint\n", &first);
16276 hintRequested = TRUE;
16280 SaveSelected (FILE *g, int dummy, char *dummy2)
16282 ListGame * lg = (ListGame *) gameList.head;
16286 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16287 DisplayError(_("Game list not loaded or empty"), 0);
16291 creatingBook = TRUE; // suppresses stuff during load game
16293 /* Get list size */
16294 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16295 if(lg->position >= 0) { // selected?
16296 LoadGame(f, nItem, "", TRUE);
16297 SaveGamePGN2(g); // leaves g open
16300 lg = (ListGame *) lg->node.succ;
16304 creatingBook = FALSE;
16312 ListGame * lg = (ListGame *) gameList.head;
16315 static int secondTime = FALSE;
16317 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16318 DisplayError(_("Game list not loaded or empty"), 0);
16322 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16325 DisplayNote(_("Book file exists! Try again for overwrite."));
16329 creatingBook = TRUE;
16330 secondTime = FALSE;
16332 /* Get list size */
16333 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16334 if(lg->position >= 0) {
16335 LoadGame(f, nItem, "", TRUE);
16336 AddGameToBook(TRUE);
16339 lg = (ListGame *) lg->node.succ;
16342 creatingBook = FALSE;
16349 if (appData.noChessProgram) return;
16350 switch (gameMode) {
16351 case MachinePlaysWhite:
16352 if (WhiteOnMove(forwardMostMove)) {
16353 DisplayError(_("Wait until your turn."), 0);
16357 case BeginningOfGame:
16358 case MachinePlaysBlack:
16359 if (!WhiteOnMove(forwardMostMove)) {
16360 DisplayError(_("Wait until your turn."), 0);
16365 EditPositionDone(TRUE);
16367 case TwoMachinesPlay:
16372 SendToProgram("bk\n", &first);
16373 bookOutput[0] = NULLCHAR;
16374 bookRequested = TRUE;
16380 char *tags = PGNTags(&gameInfo);
16381 TagsPopUp(tags, CmailMsg());
16385 /* end button procedures */
16388 PrintPosition (FILE *fp, int move)
16392 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16393 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16394 char c = PieceToChar(boards[move][i][j]);
16395 fputc(c == '?' ? '.' : c, fp);
16396 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16399 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16400 fprintf(fp, "white to play\n");
16402 fprintf(fp, "black to play\n");
16406 PrintOpponents (FILE *fp)
16408 if (gameInfo.white != NULL) {
16409 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16415 /* Find last component of program's own name, using some heuristics */
16417 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16420 int local = (strcmp(host, "localhost") == 0);
16421 while (!local && (p = strchr(prog, ';')) != NULL) {
16423 while (*p == ' ') p++;
16426 if (*prog == '"' || *prog == '\'') {
16427 q = strchr(prog + 1, *prog);
16429 q = strchr(prog, ' ');
16431 if (q == NULL) q = prog + strlen(prog);
16433 while (p >= prog && *p != '/' && *p != '\\') p--;
16435 if(p == prog && *p == '"') p++;
16437 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16438 memcpy(buf, p, q - p);
16439 buf[q - p] = NULLCHAR;
16447 TimeControlTagValue ()
16450 if (!appData.clockMode) {
16451 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16452 } else if (movesPerSession > 0) {
16453 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16454 } else if (timeIncrement == 0) {
16455 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16457 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16459 return StrSave(buf);
16465 /* This routine is used only for certain modes */
16466 VariantClass v = gameInfo.variant;
16467 ChessMove r = GameUnfinished;
16470 if(keepInfo) return;
16472 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16473 r = gameInfo.result;
16474 p = gameInfo.resultDetails;
16475 gameInfo.resultDetails = NULL;
16477 ClearGameInfo(&gameInfo);
16478 gameInfo.variant = v;
16480 switch (gameMode) {
16481 case MachinePlaysWhite:
16482 gameInfo.event = StrSave( appData.pgnEventHeader );
16483 gameInfo.site = StrSave(HostName());
16484 gameInfo.date = PGNDate();
16485 gameInfo.round = StrSave("-");
16486 gameInfo.white = StrSave(first.tidy);
16487 gameInfo.black = StrSave(UserName());
16488 gameInfo.timeControl = TimeControlTagValue();
16491 case MachinePlaysBlack:
16492 gameInfo.event = StrSave( appData.pgnEventHeader );
16493 gameInfo.site = StrSave(HostName());
16494 gameInfo.date = PGNDate();
16495 gameInfo.round = StrSave("-");
16496 gameInfo.white = StrSave(UserName());
16497 gameInfo.black = StrSave(first.tidy);
16498 gameInfo.timeControl = TimeControlTagValue();
16501 case TwoMachinesPlay:
16502 gameInfo.event = StrSave( appData.pgnEventHeader );
16503 gameInfo.site = StrSave(HostName());
16504 gameInfo.date = PGNDate();
16507 snprintf(buf, MSG_SIZ, "%d", roundNr);
16508 gameInfo.round = StrSave(buf);
16510 gameInfo.round = StrSave("-");
16512 if (first.twoMachinesColor[0] == 'w') {
16513 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16514 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16516 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16517 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16519 gameInfo.timeControl = TimeControlTagValue();
16523 gameInfo.event = StrSave("Edited game");
16524 gameInfo.site = StrSave(HostName());
16525 gameInfo.date = PGNDate();
16526 gameInfo.round = StrSave("-");
16527 gameInfo.white = StrSave("-");
16528 gameInfo.black = StrSave("-");
16529 gameInfo.result = r;
16530 gameInfo.resultDetails = p;
16534 gameInfo.event = StrSave("Edited position");
16535 gameInfo.site = StrSave(HostName());
16536 gameInfo.date = PGNDate();
16537 gameInfo.round = StrSave("-");
16538 gameInfo.white = StrSave("-");
16539 gameInfo.black = StrSave("-");
16542 case IcsPlayingWhite:
16543 case IcsPlayingBlack:
16548 case PlayFromGameFile:
16549 gameInfo.event = StrSave("Game from non-PGN file");
16550 gameInfo.site = StrSave(HostName());
16551 gameInfo.date = PGNDate();
16552 gameInfo.round = StrSave("-");
16553 gameInfo.white = StrSave("?");
16554 gameInfo.black = StrSave("?");
16563 ReplaceComment (int index, char *text)
16569 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16570 pvInfoList[index-1].depth == len &&
16571 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16572 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16573 while (*text == '\n') text++;
16574 len = strlen(text);
16575 while (len > 0 && text[len - 1] == '\n') len--;
16577 if (commentList[index] != NULL)
16578 free(commentList[index]);
16581 commentList[index] = NULL;
16584 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16585 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16586 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16587 commentList[index] = (char *) malloc(len + 2);
16588 strncpy(commentList[index], text, len);
16589 commentList[index][len] = '\n';
16590 commentList[index][len + 1] = NULLCHAR;
16592 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16594 commentList[index] = (char *) malloc(len + 7);
16595 safeStrCpy(commentList[index], "{\n", 3);
16596 safeStrCpy(commentList[index]+2, text, len+1);
16597 commentList[index][len+2] = NULLCHAR;
16598 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16599 strcat(commentList[index], "\n}\n");
16604 CrushCRs (char *text)
16612 if (ch == '\r') continue;
16614 } while (ch != '\0');
16618 AppendComment (int index, char *text, Boolean addBraces)
16619 /* addBraces tells if we should add {} */
16624 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16625 if(addBraces == 3) addBraces = 0; else // force appending literally
16626 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16629 while (*text == '\n') text++;
16630 len = strlen(text);
16631 while (len > 0 && text[len - 1] == '\n') len--;
16632 text[len] = NULLCHAR;
16634 if (len == 0) return;
16636 if (commentList[index] != NULL) {
16637 Boolean addClosingBrace = addBraces;
16638 old = commentList[index];
16639 oldlen = strlen(old);
16640 while(commentList[index][oldlen-1] == '\n')
16641 commentList[index][--oldlen] = NULLCHAR;
16642 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16643 safeStrCpy(commentList[index], old, oldlen + len + 6);
16645 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16646 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16647 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16648 while (*text == '\n') { text++; len--; }
16649 commentList[index][--oldlen] = NULLCHAR;
16651 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16652 else strcat(commentList[index], "\n");
16653 strcat(commentList[index], text);
16654 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16655 else strcat(commentList[index], "\n");
16657 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16659 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16660 else commentList[index][0] = NULLCHAR;
16661 strcat(commentList[index], text);
16662 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16663 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16668 FindStr (char * text, char * sub_text)
16670 char * result = strstr( text, sub_text );
16672 if( result != NULL ) {
16673 result += strlen( sub_text );
16679 /* [AS] Try to extract PV info from PGN comment */
16680 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16682 GetInfoFromComment (int index, char * text)
16684 char * sep = text, *p;
16686 if( text != NULL && index > 0 ) {
16689 int time = -1, sec = 0, deci;
16690 char * s_eval = FindStr( text, "[%eval " );
16691 char * s_emt = FindStr( text, "[%emt " );
16693 if( s_eval != NULL || s_emt != NULL ) {
16695 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16700 if( s_eval != NULL ) {
16701 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16705 if( delim != ']' ) {
16710 if( s_emt != NULL ) {
16715 /* We expect something like: [+|-]nnn.nn/dd */
16718 if(*text != '{') return text; // [HGM] braces: must be normal comment
16720 sep = strchr( text, '/' );
16721 if( sep == NULL || sep < (text+4) ) {
16726 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16727 if(p[1] == '(') { // comment starts with PV
16728 p = strchr(p, ')'); // locate end of PV
16729 if(p == NULL || sep < p+5) return text;
16730 // at this point we have something like "{(.*) +0.23/6 ..."
16731 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16732 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16733 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16735 time = -1; sec = -1; deci = -1;
16736 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16737 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16738 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16739 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16743 if( score_lo < 0 || score_lo >= 100 ) {
16747 if(sec >= 0) time = 600*time + 10*sec; else
16748 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16750 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16752 /* [HGM] PV time: now locate end of PV info */
16753 while( *++sep >= '0' && *sep <= '9'); // strip depth
16755 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16757 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16759 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16760 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16771 pvInfoList[index-1].depth = depth;
16772 pvInfoList[index-1].score = score;
16773 pvInfoList[index-1].time = 10*time; // centi-sec
16774 if(*sep == '}') *sep = 0; else *--sep = '{';
16775 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16781 SendToProgram (char *message, ChessProgramState *cps)
16783 int count, outCount, error;
16786 if (cps->pr == NoProc) return;
16789 if (appData.debugMode) {
16792 fprintf(debugFP, "%ld >%-6s: %s",
16793 SubtractTimeMarks(&now, &programStartTime),
16794 cps->which, message);
16796 fprintf(serverFP, "%ld >%-6s: %s",
16797 SubtractTimeMarks(&now, &programStartTime),
16798 cps->which, message), fflush(serverFP);
16801 count = strlen(message);
16802 outCount = OutputToProcess(cps->pr, message, count, &error);
16803 if (outCount < count && !exiting
16804 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16805 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16806 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16807 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16808 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16809 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16810 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16811 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16813 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16814 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16815 gameInfo.result = res;
16817 gameInfo.resultDetails = StrSave(buf);
16819 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16820 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16825 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16829 ChessProgramState *cps = (ChessProgramState *)closure;
16831 if (isr != cps->isr) return; /* Killed intentionally */
16834 RemoveInputSource(cps->isr);
16835 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16836 _(cps->which), cps->program);
16837 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16838 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16839 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16840 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16841 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16842 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16844 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16845 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16846 gameInfo.result = res;
16848 gameInfo.resultDetails = StrSave(buf);
16850 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16851 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16853 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16854 _(cps->which), cps->program);
16855 RemoveInputSource(cps->isr);
16857 /* [AS] Program is misbehaving badly... kill it */
16858 if( count == -2 ) {
16859 DestroyChildProcess( cps->pr, 9 );
16863 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16868 if ((end_str = strchr(message, '\r')) != NULL)
16869 *end_str = NULLCHAR;
16870 if ((end_str = strchr(message, '\n')) != NULL)
16871 *end_str = NULLCHAR;
16873 if (appData.debugMode) {
16874 TimeMark now; int print = 1;
16875 char *quote = ""; char c; int i;
16877 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16878 char start = message[0];
16879 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16880 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16881 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16882 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16883 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16884 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16885 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16886 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16887 sscanf(message, "hint: %c", &c)!=1 &&
16888 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16889 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16890 print = (appData.engineComments >= 2);
16892 message[0] = start; // restore original message
16896 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16897 SubtractTimeMarks(&now, &programStartTime), cps->which,
16901 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16902 SubtractTimeMarks(&now, &programStartTime), cps->which,
16904 message), fflush(serverFP);
16908 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16909 if (appData.icsEngineAnalyze) {
16910 if (strstr(message, "whisper") != NULL ||
16911 strstr(message, "kibitz") != NULL ||
16912 strstr(message, "tellics") != NULL) return;
16915 HandleMachineMove(message, cps);
16920 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16925 if( timeControl_2 > 0 ) {
16926 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16927 tc = timeControl_2;
16930 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16931 inc /= cps->timeOdds;
16932 st /= cps->timeOdds;
16934 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16937 /* Set exact time per move, normally using st command */
16938 if (cps->stKludge) {
16939 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16941 if (seconds == 0) {
16942 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16944 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16947 snprintf(buf, MSG_SIZ, "st %d\n", st);
16950 /* Set conventional or incremental time control, using level command */
16951 if (seconds == 0) {
16952 /* Note old gnuchess bug -- minutes:seconds used to not work.
16953 Fixed in later versions, but still avoid :seconds
16954 when seconds is 0. */
16955 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16957 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16958 seconds, inc/1000.);
16961 SendToProgram(buf, cps);
16963 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16964 /* Orthogonally, limit search to given depth */
16966 if (cps->sdKludge) {
16967 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16969 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16971 SendToProgram(buf, cps);
16974 if(cps->nps >= 0) { /* [HGM] nps */
16975 if(cps->supportsNPS == FALSE)
16976 cps->nps = -1; // don't use if engine explicitly says not supported!
16978 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16979 SendToProgram(buf, cps);
16984 ChessProgramState *
16986 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16988 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16989 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16995 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16997 char message[MSG_SIZ];
17000 /* Note: this routine must be called when the clocks are stopped
17001 or when they have *just* been set or switched; otherwise
17002 it will be off by the time since the current tick started.
17004 if (machineWhite) {
17005 time = whiteTimeRemaining / 10;
17006 otime = blackTimeRemaining / 10;
17008 time = blackTimeRemaining / 10;
17009 otime = whiteTimeRemaining / 10;
17011 /* [HGM] translate opponent's time by time-odds factor */
17012 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
17014 if (time <= 0) time = 1;
17015 if (otime <= 0) otime = 1;
17017 snprintf(message, MSG_SIZ, "time %ld\n", time);
17018 SendToProgram(message, cps);
17020 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
17021 SendToProgram(message, cps);
17025 EngineDefinedVariant (ChessProgramState *cps, int n)
17026 { // return name of n-th unknown variant that engine supports
17027 static char buf[MSG_SIZ];
17028 char *p, *s = cps->variants;
17029 if(!s) return NULL;
17030 do { // parse string from variants feature
17032 p = strchr(s, ',');
17033 if(p) *p = NULLCHAR;
17034 v = StringToVariant(s);
17035 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
17036 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
17037 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
17038 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
17039 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
17040 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
17041 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
17044 if(n < 0) return buf;
17050 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17053 int len = strlen(name);
17056 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17058 sscanf(*p, "%d", &val);
17060 while (**p && **p != ' ')
17062 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17063 SendToProgram(buf, cps);
17070 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17073 int len = strlen(name);
17074 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17076 sscanf(*p, "%d", loc);
17077 while (**p && **p != ' ') (*p)++;
17078 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17079 SendToProgram(buf, cps);
17086 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
17089 int len = strlen(name);
17090 if (strncmp((*p), name, len) == 0
17091 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
17093 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
17094 sscanf(*p, "%[^\"]", *loc);
17095 while (**p && **p != '\"') (*p)++;
17096 if (**p == '\"') (*p)++;
17097 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17098 SendToProgram(buf, cps);
17105 ParseOption (Option *opt, ChessProgramState *cps)
17106 // [HGM] options: process the string that defines an engine option, and determine
17107 // name, type, default value, and allowed value range
17109 char *p, *q, buf[MSG_SIZ];
17110 int n, min = (-1)<<31, max = 1<<31, def;
17112 opt->target = &opt->value; // OK for spin/slider and checkbox
17113 if(p = strstr(opt->name, " -spin ")) {
17114 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17115 if(max < min) max = min; // enforce consistency
17116 if(def < min) def = min;
17117 if(def > max) def = max;
17122 } else if((p = strstr(opt->name, " -slider "))) {
17123 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
17124 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17125 if(max < min) max = min; // enforce consistency
17126 if(def < min) def = min;
17127 if(def > max) def = max;
17131 opt->type = Spin; // Slider;
17132 } else if((p = strstr(opt->name, " -string "))) {
17133 opt->textValue = p+9;
17134 opt->type = TextBox;
17135 opt->target = &opt->textValue;
17136 } else if((p = strstr(opt->name, " -file "))) {
17137 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17138 opt->target = opt->textValue = p+7;
17139 opt->type = FileName; // FileName;
17140 opt->target = &opt->textValue;
17141 } else if((p = strstr(opt->name, " -path "))) {
17142 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17143 opt->target = opt->textValue = p+7;
17144 opt->type = PathName; // PathName;
17145 opt->target = &opt->textValue;
17146 } else if(p = strstr(opt->name, " -check ")) {
17147 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
17148 opt->value = (def != 0);
17149 opt->type = CheckBox;
17150 } else if(p = strstr(opt->name, " -combo ")) {
17151 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
17152 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
17153 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
17154 opt->value = n = 0;
17155 while(q = StrStr(q, " /// ")) {
17156 n++; *q = 0; // count choices, and null-terminate each of them
17158 if(*q == '*') { // remember default, which is marked with * prefix
17162 cps->comboList[cps->comboCnt++] = q;
17164 cps->comboList[cps->comboCnt++] = NULL;
17166 opt->type = ComboBox;
17167 } else if(p = strstr(opt->name, " -button")) {
17168 opt->type = Button;
17169 } else if(p = strstr(opt->name, " -save")) {
17170 opt->type = SaveButton;
17171 } else return FALSE;
17172 *p = 0; // terminate option name
17173 // now look if the command-line options define a setting for this engine option.
17174 if(cps->optionSettings && cps->optionSettings[0])
17175 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17176 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17177 snprintf(buf, MSG_SIZ, "option %s", p);
17178 if(p = strstr(buf, ",")) *p = 0;
17179 if(q = strchr(buf, '=')) switch(opt->type) {
17181 for(n=0; n<opt->max; n++)
17182 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17185 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17189 opt->value = atoi(q+1);
17194 SendToProgram(buf, cps);
17200 FeatureDone (ChessProgramState *cps, int val)
17202 DelayedEventCallback cb = GetDelayedEvent();
17203 if ((cb == InitBackEnd3 && cps == &first) ||
17204 (cb == SettingsMenuIfReady && cps == &second) ||
17205 (cb == LoadEngine) ||
17206 (cb == TwoMachinesEventIfReady)) {
17207 CancelDelayedEvent();
17208 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17209 } else if(!val && !cps->reload) ClearOptions(cps); // let 'spurious' done=0 clear engine's option list
17210 cps->initDone = val;
17211 if(val) cps->reload = FALSE, RefreshSettingsDialog(cps, val);
17214 /* Parse feature command from engine */
17216 ParseFeatures (char *args, ChessProgramState *cps)
17224 while (*p == ' ') p++;
17225 if (*p == NULLCHAR) return;
17227 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17228 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17229 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17230 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17231 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17232 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17233 if (BoolFeature(&p, "reuse", &val, cps)) {
17234 /* Engine can disable reuse, but can't enable it if user said no */
17235 if (!val) cps->reuse = FALSE;
17238 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17239 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17240 if (gameMode == TwoMachinesPlay) {
17241 DisplayTwoMachinesTitle();
17247 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17248 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17249 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17250 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17251 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17252 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17253 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17254 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17255 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17256 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17257 if (IntFeature(&p, "done", &val, cps)) {
17258 FeatureDone(cps, val);
17261 /* Added by Tord: */
17262 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17263 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17264 /* End of additions by Tord */
17266 /* [HGM] added features: */
17267 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17268 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17269 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17270 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17271 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17272 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17273 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17274 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17275 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17276 FREE(cps->option[cps->nrOptions].name);
17277 cps->option[cps->nrOptions].name = q; q = NULL;
17278 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17279 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17280 SendToProgram(buf, cps);
17283 if(cps->nrOptions >= MAX_OPTIONS) {
17285 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17286 DisplayError(buf, 0);
17290 /* End of additions by HGM */
17292 /* unknown feature: complain and skip */
17294 while (*q && *q != '=') q++;
17295 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17296 SendToProgram(buf, cps);
17302 while (*p && *p != '\"') p++;
17303 if (*p == '\"') p++;
17305 while (*p && *p != ' ') p++;
17313 PeriodicUpdatesEvent (int newState)
17315 if (newState == appData.periodicUpdates)
17318 appData.periodicUpdates=newState;
17320 /* Display type changes, so update it now */
17321 // DisplayAnalysis();
17323 /* Get the ball rolling again... */
17325 AnalysisPeriodicEvent(1);
17326 StartAnalysisClock();
17331 PonderNextMoveEvent (int newState)
17333 if (newState == appData.ponderNextMove) return;
17334 if (gameMode == EditPosition) EditPositionDone(TRUE);
17336 SendToProgram("hard\n", &first);
17337 if (gameMode == TwoMachinesPlay) {
17338 SendToProgram("hard\n", &second);
17341 SendToProgram("easy\n", &first);
17342 thinkOutput[0] = NULLCHAR;
17343 if (gameMode == TwoMachinesPlay) {
17344 SendToProgram("easy\n", &second);
17347 appData.ponderNextMove = newState;
17351 NewSettingEvent (int option, int *feature, char *command, int value)
17355 if (gameMode == EditPosition) EditPositionDone(TRUE);
17356 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17357 if(feature == NULL || *feature) SendToProgram(buf, &first);
17358 if (gameMode == TwoMachinesPlay) {
17359 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17364 ShowThinkingEvent ()
17365 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17367 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17368 int newState = appData.showThinking
17369 // [HGM] thinking: other features now need thinking output as well
17370 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17372 if (oldState == newState) return;
17373 oldState = newState;
17374 if (gameMode == EditPosition) EditPositionDone(TRUE);
17376 SendToProgram("post\n", &first);
17377 if (gameMode == TwoMachinesPlay) {
17378 SendToProgram("post\n", &second);
17381 SendToProgram("nopost\n", &first);
17382 thinkOutput[0] = NULLCHAR;
17383 if (gameMode == TwoMachinesPlay) {
17384 SendToProgram("nopost\n", &second);
17387 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17391 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17393 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17394 if (pr == NoProc) return;
17395 AskQuestion(title, question, replyPrefix, pr);
17399 TypeInEvent (char firstChar)
17401 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17402 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17403 gameMode == AnalyzeMode || gameMode == EditGame ||
17404 gameMode == EditPosition || gameMode == IcsExamining ||
17405 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17406 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17407 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17408 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17409 gameMode == Training) PopUpMoveDialog(firstChar);
17413 TypeInDoneEvent (char *move)
17416 int n, fromX, fromY, toX, toY;
17418 ChessMove moveType;
17421 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17422 EditPositionPasteFEN(move);
17425 // [HGM] movenum: allow move number to be typed in any mode
17426 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17430 // undocumented kludge: allow command-line option to be typed in!
17431 // (potentially fatal, and does not implement the effect of the option.)
17432 // should only be used for options that are values on which future decisions will be made,
17433 // and definitely not on options that would be used during initialization.
17434 if(strstr(move, "!!! -") == move) {
17435 ParseArgsFromString(move+4);
17439 if (gameMode != EditGame && currentMove != forwardMostMove &&
17440 gameMode != Training) {
17441 DisplayMoveError(_("Displayed move is not current"));
17443 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17444 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17445 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17446 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17447 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17448 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17450 DisplayMoveError(_("Could not parse move"));
17456 DisplayMove (int moveNumber)
17458 char message[MSG_SIZ];
17460 char cpThinkOutput[MSG_SIZ];
17462 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17464 if (moveNumber == forwardMostMove - 1 ||
17465 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17467 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17469 if (strchr(cpThinkOutput, '\n')) {
17470 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17473 *cpThinkOutput = NULLCHAR;
17476 /* [AS] Hide thinking from human user */
17477 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17478 *cpThinkOutput = NULLCHAR;
17479 if( thinkOutput[0] != NULLCHAR ) {
17482 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17483 cpThinkOutput[i] = '.';
17485 cpThinkOutput[i] = NULLCHAR;
17486 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17490 if (moveNumber == forwardMostMove - 1 &&
17491 gameInfo.resultDetails != NULL) {
17492 if (gameInfo.resultDetails[0] == NULLCHAR) {
17493 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17495 snprintf(res, MSG_SIZ, " {%s} %s",
17496 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17502 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17503 DisplayMessage(res, cpThinkOutput);
17505 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17506 WhiteOnMove(moveNumber) ? " " : ".. ",
17507 parseList[moveNumber], res);
17508 DisplayMessage(message, cpThinkOutput);
17513 DisplayComment (int moveNumber, char *text)
17515 char title[MSG_SIZ];
17517 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17518 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17520 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17521 WhiteOnMove(moveNumber) ? " " : ".. ",
17522 parseList[moveNumber]);
17524 if (text != NULL && (appData.autoDisplayComment || commentUp))
17525 CommentPopUp(title, text);
17528 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17529 * might be busy thinking or pondering. It can be omitted if your
17530 * gnuchess is configured to stop thinking immediately on any user
17531 * input. However, that gnuchess feature depends on the FIONREAD
17532 * ioctl, which does not work properly on some flavors of Unix.
17535 Attention (ChessProgramState *cps)
17538 if (!cps->useSigint) return;
17539 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17540 switch (gameMode) {
17541 case MachinePlaysWhite:
17542 case MachinePlaysBlack:
17543 case TwoMachinesPlay:
17544 case IcsPlayingWhite:
17545 case IcsPlayingBlack:
17548 /* Skip if we know it isn't thinking */
17549 if (!cps->maybeThinking) return;
17550 if (appData.debugMode)
17551 fprintf(debugFP, "Interrupting %s\n", cps->which);
17552 InterruptChildProcess(cps->pr);
17553 cps->maybeThinking = FALSE;
17558 #endif /*ATTENTION*/
17564 if (whiteTimeRemaining <= 0) {
17567 if (appData.icsActive) {
17568 if (appData.autoCallFlag &&
17569 gameMode == IcsPlayingBlack && !blackFlag) {
17570 SendToICS(ics_prefix);
17571 SendToICS("flag\n");
17575 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17577 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17578 if (appData.autoCallFlag) {
17579 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17586 if (blackTimeRemaining <= 0) {
17589 if (appData.icsActive) {
17590 if (appData.autoCallFlag &&
17591 gameMode == IcsPlayingWhite && !whiteFlag) {
17592 SendToICS(ics_prefix);
17593 SendToICS("flag\n");
17597 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17599 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17600 if (appData.autoCallFlag) {
17601 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17612 CheckTimeControl ()
17614 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17615 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17618 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17620 if ( !WhiteOnMove(forwardMostMove) ) {
17621 /* White made time control */
17622 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17623 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17624 /* [HGM] time odds: correct new time quota for time odds! */
17625 / WhitePlayer()->timeOdds;
17626 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17628 lastBlack -= blackTimeRemaining;
17629 /* Black made time control */
17630 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17631 / WhitePlayer()->other->timeOdds;
17632 lastWhite = whiteTimeRemaining;
17637 DisplayBothClocks ()
17639 int wom = gameMode == EditPosition ?
17640 !blackPlaysFirst : WhiteOnMove(currentMove);
17641 DisplayWhiteClock(whiteTimeRemaining, wom);
17642 DisplayBlackClock(blackTimeRemaining, !wom);
17646 /* Timekeeping seems to be a portability nightmare. I think everyone
17647 has ftime(), but I'm really not sure, so I'm including some ifdefs
17648 to use other calls if you don't. Clocks will be less accurate if
17649 you have neither ftime nor gettimeofday.
17652 /* VS 2008 requires the #include outside of the function */
17653 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17654 #include <sys/timeb.h>
17657 /* Get the current time as a TimeMark */
17659 GetTimeMark (TimeMark *tm)
17661 #if HAVE_GETTIMEOFDAY
17663 struct timeval timeVal;
17664 struct timezone timeZone;
17666 gettimeofday(&timeVal, &timeZone);
17667 tm->sec = (long) timeVal.tv_sec;
17668 tm->ms = (int) (timeVal.tv_usec / 1000L);
17670 #else /*!HAVE_GETTIMEOFDAY*/
17673 // include <sys/timeb.h> / moved to just above start of function
17674 struct timeb timeB;
17677 tm->sec = (long) timeB.time;
17678 tm->ms = (int) timeB.millitm;
17680 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17681 tm->sec = (long) time(NULL);
17687 /* Return the difference in milliseconds between two
17688 time marks. We assume the difference will fit in a long!
17691 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17693 return 1000L*(tm2->sec - tm1->sec) +
17694 (long) (tm2->ms - tm1->ms);
17699 * Code to manage the game clocks.
17701 * In tournament play, black starts the clock and then white makes a move.
17702 * We give the human user a slight advantage if he is playing white---the
17703 * clocks don't run until he makes his first move, so it takes zero time.
17704 * Also, we don't account for network lag, so we could get out of sync
17705 * with GNU Chess's clock -- but then, referees are always right.
17708 static TimeMark tickStartTM;
17709 static long intendedTickLength;
17712 NextTickLength (long timeRemaining)
17714 long nominalTickLength, nextTickLength;
17716 if (timeRemaining > 0L && timeRemaining <= 10000L)
17717 nominalTickLength = 100L;
17719 nominalTickLength = 1000L;
17720 nextTickLength = timeRemaining % nominalTickLength;
17721 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17723 return nextTickLength;
17726 /* Adjust clock one minute up or down */
17728 AdjustClock (Boolean which, int dir)
17730 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17731 if(which) blackTimeRemaining += 60000*dir;
17732 else whiteTimeRemaining += 60000*dir;
17733 DisplayBothClocks();
17734 adjustedClock = TRUE;
17737 /* Stop clocks and reset to a fresh time control */
17741 (void) StopClockTimer();
17742 if (appData.icsActive) {
17743 whiteTimeRemaining = blackTimeRemaining = 0;
17744 } else if (searchTime) {
17745 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17746 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17747 } else { /* [HGM] correct new time quote for time odds */
17748 whiteTC = blackTC = fullTimeControlString;
17749 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17750 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17752 if (whiteFlag || blackFlag) {
17754 whiteFlag = blackFlag = FALSE;
17756 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17757 DisplayBothClocks();
17758 adjustedClock = FALSE;
17761 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17763 /* Decrement running clock by amount of time that has passed */
17767 long timeRemaining;
17768 long lastTickLength, fudge;
17771 if (!appData.clockMode) return;
17772 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17776 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17778 /* Fudge if we woke up a little too soon */
17779 fudge = intendedTickLength - lastTickLength;
17780 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17782 if (WhiteOnMove(forwardMostMove)) {
17783 if(whiteNPS >= 0) lastTickLength = 0;
17784 timeRemaining = whiteTimeRemaining -= lastTickLength;
17785 if(timeRemaining < 0 && !appData.icsActive) {
17786 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17787 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17788 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17789 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17792 DisplayWhiteClock(whiteTimeRemaining - fudge,
17793 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17795 if(blackNPS >= 0) lastTickLength = 0;
17796 timeRemaining = blackTimeRemaining -= lastTickLength;
17797 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17798 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17800 blackStartMove = forwardMostMove;
17801 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17804 DisplayBlackClock(blackTimeRemaining - fudge,
17805 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17807 if (CheckFlags()) return;
17809 if(twoBoards) { // count down secondary board's clocks as well
17810 activePartnerTime -= lastTickLength;
17812 if(activePartner == 'W')
17813 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17815 DisplayBlackClock(activePartnerTime, TRUE);
17820 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17821 StartClockTimer(intendedTickLength);
17823 /* if the time remaining has fallen below the alarm threshold, sound the
17824 * alarm. if the alarm has sounded and (due to a takeback or time control
17825 * with increment) the time remaining has increased to a level above the
17826 * threshold, reset the alarm so it can sound again.
17829 if (appData.icsActive && appData.icsAlarm) {
17831 /* make sure we are dealing with the user's clock */
17832 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17833 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17836 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17837 alarmSounded = FALSE;
17838 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17840 alarmSounded = TRUE;
17846 /* A player has just moved, so stop the previously running
17847 clock and (if in clock mode) start the other one.
17848 We redisplay both clocks in case we're in ICS mode, because
17849 ICS gives us an update to both clocks after every move.
17850 Note that this routine is called *after* forwardMostMove
17851 is updated, so the last fractional tick must be subtracted
17852 from the color that is *not* on move now.
17855 SwitchClocks (int newMoveNr)
17857 long lastTickLength;
17859 int flagged = FALSE;
17863 if (StopClockTimer() && appData.clockMode) {
17864 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17865 if (!WhiteOnMove(forwardMostMove)) {
17866 if(blackNPS >= 0) lastTickLength = 0;
17867 blackTimeRemaining -= lastTickLength;
17868 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17869 // if(pvInfoList[forwardMostMove].time == -1)
17870 pvInfoList[forwardMostMove].time = // use GUI time
17871 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17873 if(whiteNPS >= 0) lastTickLength = 0;
17874 whiteTimeRemaining -= lastTickLength;
17875 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17876 // if(pvInfoList[forwardMostMove].time == -1)
17877 pvInfoList[forwardMostMove].time =
17878 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17880 flagged = CheckFlags();
17882 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17883 CheckTimeControl();
17885 if (flagged || !appData.clockMode) return;
17887 switch (gameMode) {
17888 case MachinePlaysBlack:
17889 case MachinePlaysWhite:
17890 case BeginningOfGame:
17891 if (pausing) return;
17895 case PlayFromGameFile:
17903 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17904 if(WhiteOnMove(forwardMostMove))
17905 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17906 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17910 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17911 whiteTimeRemaining : blackTimeRemaining);
17912 StartClockTimer(intendedTickLength);
17916 /* Stop both clocks */
17920 long lastTickLength;
17923 if (!StopClockTimer()) return;
17924 if (!appData.clockMode) return;
17928 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17929 if (WhiteOnMove(forwardMostMove)) {
17930 if(whiteNPS >= 0) lastTickLength = 0;
17931 whiteTimeRemaining -= lastTickLength;
17932 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17934 if(blackNPS >= 0) lastTickLength = 0;
17935 blackTimeRemaining -= lastTickLength;
17936 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17941 /* Start clock of player on move. Time may have been reset, so
17942 if clock is already running, stop and restart it. */
17946 (void) StopClockTimer(); /* in case it was running already */
17947 DisplayBothClocks();
17948 if (CheckFlags()) return;
17950 if (!appData.clockMode) return;
17951 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17953 GetTimeMark(&tickStartTM);
17954 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17955 whiteTimeRemaining : blackTimeRemaining);
17957 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17958 whiteNPS = blackNPS = -1;
17959 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17960 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17961 whiteNPS = first.nps;
17962 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17963 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17964 blackNPS = first.nps;
17965 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17966 whiteNPS = second.nps;
17967 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17968 blackNPS = second.nps;
17969 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17971 StartClockTimer(intendedTickLength);
17975 TimeString (long ms)
17977 long second, minute, hour, day;
17979 static char buf[32];
17981 if (ms > 0 && ms <= 9900) {
17982 /* convert milliseconds to tenths, rounding up */
17983 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17985 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17989 /* convert milliseconds to seconds, rounding up */
17990 /* use floating point to avoid strangeness of integer division
17991 with negative dividends on many machines */
17992 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17999 day = second / (60 * 60 * 24);
18000 second = second % (60 * 60 * 24);
18001 hour = second / (60 * 60);
18002 second = second % (60 * 60);
18003 minute = second / 60;
18004 second = second % 60;
18007 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
18008 sign, day, hour, minute, second);
18010 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
18012 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
18019 * This is necessary because some C libraries aren't ANSI C compliant yet.
18022 StrStr (char *string, char *match)
18026 length = strlen(match);
18028 for (i = strlen(string) - length; i >= 0; i--, string++)
18029 if (!strncmp(match, string, length))
18036 StrCaseStr (char *string, char *match)
18040 length = strlen(match);
18042 for (i = strlen(string) - length; i >= 0; i--, string++) {
18043 for (j = 0; j < length; j++) {
18044 if (ToLower(match[j]) != ToLower(string[j]))
18047 if (j == length) return string;
18055 StrCaseCmp (char *s1, char *s2)
18060 c1 = ToLower(*s1++);
18061 c2 = ToLower(*s2++);
18062 if (c1 > c2) return 1;
18063 if (c1 < c2) return -1;
18064 if (c1 == NULLCHAR) return 0;
18072 return isupper(c) ? tolower(c) : c;
18079 return islower(c) ? toupper(c) : c;
18081 #endif /* !_amigados */
18088 if ((ret = (char *) malloc(strlen(s) + 1)))
18090 safeStrCpy(ret, s, strlen(s)+1);
18096 StrSavePtr (char *s, char **savePtr)
18101 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
18102 safeStrCpy(*savePtr, s, strlen(s)+1);
18114 clock = time((time_t *)NULL);
18115 tm = localtime(&clock);
18116 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
18117 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
18118 return StrSave(buf);
18123 PositionToFEN (int move, char *overrideCastling, int moveCounts)
18125 int i, j, fromX, fromY, toX, toY;
18126 int whiteToPlay, haveRights = nrCastlingRights;
18132 whiteToPlay = (gameMode == EditPosition) ?
18133 !blackPlaysFirst : (move % 2 == 0);
18136 /* Piece placement data */
18137 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18138 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
18140 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
18141 if (boards[move][i][j] == EmptySquare) {
18143 } else { ChessSquare piece = boards[move][i][j];
18144 if (emptycount > 0) {
18145 if(emptycount<10) /* [HGM] can be >= 10 */
18146 *p++ = '0' + emptycount;
18147 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18150 if(PieceToChar(piece) == '+') {
18151 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
18153 piece = (ChessSquare)(CHUDEMOTED(piece));
18155 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
18156 if(*p = PieceSuffix(piece)) p++;
18158 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
18159 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED(piece)));
18164 if (emptycount > 0) {
18165 if(emptycount<10) /* [HGM] can be >= 10 */
18166 *p++ = '0' + emptycount;
18167 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18174 /* [HGM] print Crazyhouse or Shogi holdings */
18175 if( gameInfo.holdingsWidth ) {
18176 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18178 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18179 piece = boards[move][i][BOARD_WIDTH-1];
18180 if( piece != EmptySquare )
18181 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18182 *p++ = PieceToChar(piece);
18184 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18185 piece = boards[move][BOARD_HEIGHT-i-1][0];
18186 if( piece != EmptySquare )
18187 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
18188 *p++ = PieceToChar(piece);
18191 if( q == p ) *p++ = '-';
18197 *p++ = whiteToPlay ? 'w' : 'b';
18200 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18201 haveRights = 0; q = p;
18202 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18203 piece = boards[move][0][i];
18204 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18205 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18208 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18209 piece = boards[move][BOARD_HEIGHT-1][i];
18210 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18211 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18214 if(p == q) *p++ = '-';
18218 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18219 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
18222 int handW=0, handB=0;
18223 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18224 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18225 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18228 if(appData.fischerCastling) {
18229 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18230 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18231 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18233 /* [HGM] write directly from rights */
18234 if(boards[move][CASTLING][2] != NoRights &&
18235 boards[move][CASTLING][0] != NoRights )
18236 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18237 if(boards[move][CASTLING][2] != NoRights &&
18238 boards[move][CASTLING][1] != NoRights )
18239 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18242 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18243 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18245 if(boards[move][CASTLING][5] != NoRights &&
18246 boards[move][CASTLING][3] != NoRights )
18247 *p++ = boards[move][CASTLING][3] + AAA;
18248 if(boards[move][CASTLING][5] != NoRights &&
18249 boards[move][CASTLING][4] != NoRights )
18250 *p++ = boards[move][CASTLING][4] + AAA;
18254 /* [HGM] write true castling rights */
18255 if( nrCastlingRights == 6 ) {
18257 if(boards[move][CASTLING][0] != NoRights &&
18258 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18259 q = (boards[move][CASTLING][1] != NoRights &&
18260 boards[move][CASTLING][2] != NoRights );
18261 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18262 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18263 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18264 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18268 if(boards[move][CASTLING][3] != NoRights &&
18269 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18270 q = (boards[move][CASTLING][4] != NoRights &&
18271 boards[move][CASTLING][5] != NoRights );
18273 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18274 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18275 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18280 if (q == p) *p++ = '-'; /* No castling rights */
18284 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18285 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18286 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18287 /* En passant target square */
18288 if (move > backwardMostMove) {
18289 fromX = moveList[move - 1][0] - AAA;
18290 fromY = moveList[move - 1][1] - ONE;
18291 toX = moveList[move - 1][2] - AAA;
18292 toY = moveList[move - 1][3] - ONE;
18293 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
18294 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
18295 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
18297 /* 2-square pawn move just happened */
18299 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18303 } else if(move == backwardMostMove) {
18304 // [HGM] perhaps we should always do it like this, and forget the above?
18305 if((signed char)boards[move][EP_STATUS] >= 0) {
18306 *p++ = boards[move][EP_STATUS] + AAA;
18307 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18319 { int i = 0, j=move;
18321 /* [HGM] find reversible plies */
18322 if (appData.debugMode) { int k;
18323 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18324 for(k=backwardMostMove; k<=forwardMostMove; k++)
18325 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18329 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18330 if( j == backwardMostMove ) i += initialRulePlies;
18331 sprintf(p, "%d ", i);
18332 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18334 /* Fullmove number */
18335 sprintf(p, "%d", (move / 2) + 1);
18336 } else *--p = NULLCHAR;
18338 return StrSave(buf);
18342 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18344 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18346 int emptycount, virgin[BOARD_FILES];
18347 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18351 /* Piece placement data */
18352 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18355 if (*p == '/' || *p == ' ' || *p == '[' ) {
18357 emptycount = gameInfo.boardWidth - j;
18358 while (emptycount--)
18359 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18360 if (*p == '/') p++;
18361 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18362 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18363 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18365 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18368 #if(BOARD_FILES >= 10)*0
18369 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18370 p++; emptycount=10;
18371 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18372 while (emptycount--)
18373 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18375 } else if (*p == '*') {
18376 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18377 } else if (isdigit(*p)) {
18378 emptycount = *p++ - '0';
18379 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18380 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18381 while (emptycount--)
18382 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18383 } else if (*p == '<') {
18384 if(i == BOARD_HEIGHT-1) shuffle = 1;
18385 else if (i != 0 || !shuffle) return FALSE;
18387 } else if (shuffle && *p == '>') {
18388 p++; // for now ignore closing shuffle range, and assume rank-end
18389 } else if (*p == '?') {
18390 if (j >= gameInfo.boardWidth) return FALSE;
18391 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18392 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18393 } else if (*p == '+' || isalpha(*p)) {
18394 char *q, *s = SUFFIXES;
18395 if (j >= gameInfo.boardWidth) return FALSE;
18398 if(q = strchr(s, p[1])) p++;
18399 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18400 if(piece == EmptySquare) return FALSE; /* unknown piece */
18401 piece = (ChessSquare) (CHUPROMOTED(piece)); p++;
18402 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18405 if(q = strchr(s, *p)) p++;
18406 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18409 if(piece==EmptySquare) return FALSE; /* unknown piece */
18410 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18411 piece = (ChessSquare) (PROMOTED(piece));
18412 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18415 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18416 if(piece == king) wKingRank = i;
18417 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18423 while (*p == '/' || *p == ' ') p++;
18425 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18427 /* [HGM] by default clear Crazyhouse holdings, if present */
18428 if(gameInfo.holdingsWidth) {
18429 for(i=0; i<BOARD_HEIGHT; i++) {
18430 board[i][0] = EmptySquare; /* black holdings */
18431 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18432 board[i][1] = (ChessSquare) 0; /* black counts */
18433 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18437 /* [HGM] look for Crazyhouse holdings here */
18438 while(*p==' ') p++;
18439 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18440 int swap=0, wcnt=0, bcnt=0;
18442 if(*p == '<') swap++, p++;
18443 if(*p == '-' ) p++; /* empty holdings */ else {
18444 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18445 /* if we would allow FEN reading to set board size, we would */
18446 /* have to add holdings and shift the board read so far here */
18447 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18449 if((int) piece >= (int) BlackPawn ) {
18450 i = (int)piece - (int)BlackPawn;
18451 i = PieceToNumber((ChessSquare)i);
18452 if( i >= gameInfo.holdingsSize ) return FALSE;
18453 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18454 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18457 i = (int)piece - (int)WhitePawn;
18458 i = PieceToNumber((ChessSquare)i);
18459 if( i >= gameInfo.holdingsSize ) return FALSE;
18460 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18461 board[i][BOARD_WIDTH-2]++; /* black holdings */
18465 if(subst) { // substitute back-rank question marks by holdings pieces
18466 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18467 int k, m, n = bcnt + 1;
18468 if(board[0][j] == ClearBoard) {
18469 if(!wcnt) return FALSE;
18471 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18472 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18473 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18477 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18478 if(!bcnt) return FALSE;
18479 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18480 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18481 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18482 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18493 if(subst) return FALSE; // substitution requested, but no holdings
18495 while(*p == ' ') p++;
18499 if(appData.colorNickNames) {
18500 if( c == appData.colorNickNames[0] ) c = 'w'; else
18501 if( c == appData.colorNickNames[1] ) c = 'b';
18505 *blackPlaysFirst = FALSE;
18508 *blackPlaysFirst = TRUE;
18514 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18515 /* return the extra info in global variiables */
18517 while(*p==' ') p++;
18519 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18520 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18521 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18524 /* set defaults in case FEN is incomplete */
18525 board[EP_STATUS] = EP_UNKNOWN;
18526 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18527 for(i=0; i<nrCastlingRights; i++ ) {
18528 board[CASTLING][i] =
18529 appData.fischerCastling ? NoRights : initialRights[i];
18530 } /* assume possible unless obviously impossible */
18531 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18532 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18533 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18534 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18535 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18536 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18537 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18538 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18541 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18544 while(isalpha(*p)) {
18545 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18546 if(islower(*p)) b |= 1 << (*p++ - 'a');
18550 board[TOUCHED_W] = ~w;
18551 board[TOUCHED_B] = ~b;
18552 while(*p == ' ') p++;
18556 if(nrCastlingRights) {
18558 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18559 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18560 /* castling indicator present, so default becomes no castlings */
18561 for(i=0; i<nrCastlingRights; i++ ) {
18562 board[CASTLING][i] = NoRights;
18565 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18566 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18567 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18568 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18569 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18571 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18572 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18573 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18575 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18576 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18577 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18578 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18579 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18580 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18583 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18584 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18585 board[CASTLING][2] = whiteKingFile;
18586 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18587 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18588 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18591 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18592 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18593 board[CASTLING][2] = whiteKingFile;
18594 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18595 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18596 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18599 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18600 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18601 board[CASTLING][5] = blackKingFile;
18602 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18603 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18604 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18607 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18608 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18609 board[CASTLING][5] = blackKingFile;
18610 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18611 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18612 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18615 default: /* FRC castlings */
18616 if(c >= 'a') { /* black rights */
18617 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18618 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18619 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18620 if(i == BOARD_RGHT) break;
18621 board[CASTLING][5] = i;
18623 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18624 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18626 board[CASTLING][3] = c;
18628 board[CASTLING][4] = c;
18629 } else { /* white rights */
18630 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18631 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18632 if(board[0][i] == WhiteKing) break;
18633 if(i == BOARD_RGHT) break;
18634 board[CASTLING][2] = i;
18635 c -= AAA - 'a' + 'A';
18636 if(board[0][c] >= WhiteKing) break;
18638 board[CASTLING][0] = c;
18640 board[CASTLING][1] = c;
18644 for(i=0; i<nrCastlingRights; i++)
18645 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18646 if(gameInfo.variant == VariantSChess)
18647 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18648 if(fischer && shuffle) appData.fischerCastling = TRUE;
18649 if (appData.debugMode) {
18650 fprintf(debugFP, "FEN castling rights:");
18651 for(i=0; i<nrCastlingRights; i++)
18652 fprintf(debugFP, " %d", board[CASTLING][i]);
18653 fprintf(debugFP, "\n");
18656 while(*p==' ') p++;
18659 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18661 /* read e.p. field in games that know e.p. capture */
18662 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18663 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18664 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18666 p++; board[EP_STATUS] = EP_NONE;
18668 char c = *p++ - AAA;
18670 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18671 if(*p >= '0' && *p <='9') p++;
18672 board[EP_STATUS] = c;
18677 if(sscanf(p, "%d", &i) == 1) {
18678 FENrulePlies = i; /* 50-move ply counter */
18679 /* (The move number is still ignored) */
18686 EditPositionPasteFEN (char *fen)
18689 Board initial_position;
18691 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18692 DisplayError(_("Bad FEN position in clipboard"), 0);
18695 int savedBlackPlaysFirst = blackPlaysFirst;
18696 EditPositionEvent();
18697 blackPlaysFirst = savedBlackPlaysFirst;
18698 CopyBoard(boards[0], initial_position);
18699 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18700 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18701 DisplayBothClocks();
18702 DrawPosition(FALSE, boards[currentMove]);
18707 static char cseq[12] = "\\ ";
18710 set_cont_sequence (char *new_seq)
18715 // handle bad attempts to set the sequence
18717 return 0; // acceptable error - no debug
18719 len = strlen(new_seq);
18720 ret = (len > 0) && (len < sizeof(cseq));
18722 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18723 else if (appData.debugMode)
18724 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18729 reformat a source message so words don't cross the width boundary. internal
18730 newlines are not removed. returns the wrapped size (no null character unless
18731 included in source message). If dest is NULL, only calculate the size required
18732 for the dest buffer. lp argument indicats line position upon entry, and it's
18733 passed back upon exit.
18736 wrap (char *dest, char *src, int count, int width, int *lp)
18738 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18740 cseq_len = strlen(cseq);
18741 old_line = line = *lp;
18742 ansi = len = clen = 0;
18744 for (i=0; i < count; i++)
18746 if (src[i] == '\033')
18749 // if we hit the width, back up
18750 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18752 // store i & len in case the word is too long
18753 old_i = i, old_len = len;
18755 // find the end of the last word
18756 while (i && src[i] != ' ' && src[i] != '\n')
18762 // word too long? restore i & len before splitting it
18763 if ((old_i-i+clen) >= width)
18770 if (i && src[i-1] == ' ')
18773 if (src[i] != ' ' && src[i] != '\n')
18780 // now append the newline and continuation sequence
18785 strncpy(dest+len, cseq, cseq_len);
18793 dest[len] = src[i];
18797 if (src[i] == '\n')
18802 if (dest && appData.debugMode)
18804 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18805 count, width, line, len, *lp);
18806 show_bytes(debugFP, src, count);
18807 fprintf(debugFP, "\ndest: ");
18808 show_bytes(debugFP, dest, len);
18809 fprintf(debugFP, "\n");
18811 *lp = dest ? line : old_line;
18816 // [HGM] vari: routines for shelving variations
18817 Boolean modeRestore = FALSE;
18820 PushInner (int firstMove, int lastMove)
18822 int i, j, nrMoves = lastMove - firstMove;
18824 // push current tail of game on stack
18825 savedResult[storedGames] = gameInfo.result;
18826 savedDetails[storedGames] = gameInfo.resultDetails;
18827 gameInfo.resultDetails = NULL;
18828 savedFirst[storedGames] = firstMove;
18829 savedLast [storedGames] = lastMove;
18830 savedFramePtr[storedGames] = framePtr;
18831 framePtr -= nrMoves; // reserve space for the boards
18832 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18833 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18834 for(j=0; j<MOVE_LEN; j++)
18835 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18836 for(j=0; j<2*MOVE_LEN; j++)
18837 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18838 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18839 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18840 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18841 pvInfoList[firstMove+i-1].depth = 0;
18842 commentList[framePtr+i] = commentList[firstMove+i];
18843 commentList[firstMove+i] = NULL;
18847 forwardMostMove = firstMove; // truncate game so we can start variation
18851 PushTail (int firstMove, int lastMove)
18853 if(appData.icsActive) { // only in local mode
18854 forwardMostMove = currentMove; // mimic old ICS behavior
18857 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18859 PushInner(firstMove, lastMove);
18860 if(storedGames == 1) GreyRevert(FALSE);
18861 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18865 PopInner (Boolean annotate)
18868 char buf[8000], moveBuf[20];
18870 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18871 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18872 nrMoves = savedLast[storedGames] - currentMove;
18875 if(!WhiteOnMove(currentMove))
18876 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18877 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18878 for(i=currentMove; i<forwardMostMove; i++) {
18880 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18881 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18882 strcat(buf, moveBuf);
18883 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18884 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18888 for(i=1; i<=nrMoves; i++) { // copy last variation back
18889 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18890 for(j=0; j<MOVE_LEN; j++)
18891 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18892 for(j=0; j<2*MOVE_LEN; j++)
18893 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18894 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18895 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18896 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18897 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18898 commentList[currentMove+i] = commentList[framePtr+i];
18899 commentList[framePtr+i] = NULL;
18901 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18902 framePtr = savedFramePtr[storedGames];
18903 gameInfo.result = savedResult[storedGames];
18904 if(gameInfo.resultDetails != NULL) {
18905 free(gameInfo.resultDetails);
18907 gameInfo.resultDetails = savedDetails[storedGames];
18908 forwardMostMove = currentMove + nrMoves;
18912 PopTail (Boolean annotate)
18914 if(appData.icsActive) return FALSE; // only in local mode
18915 if(!storedGames) return FALSE; // sanity
18916 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18918 PopInner(annotate);
18919 if(currentMove < forwardMostMove) ForwardEvent(); else
18920 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18922 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18928 { // remove all shelved variations
18930 for(i=0; i<storedGames; i++) {
18931 if(savedDetails[i])
18932 free(savedDetails[i]);
18933 savedDetails[i] = NULL;
18935 for(i=framePtr; i<MAX_MOVES; i++) {
18936 if(commentList[i]) free(commentList[i]);
18937 commentList[i] = NULL;
18939 framePtr = MAX_MOVES-1;
18944 LoadVariation (int index, char *text)
18945 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18946 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18947 int level = 0, move;
18949 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18950 // first find outermost bracketing variation
18951 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18952 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18953 if(*p == '{') wait = '}'; else
18954 if(*p == '[') wait = ']'; else
18955 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18956 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18958 if(*p == wait) wait = NULLCHAR; // closing ]} found
18961 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18962 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18963 end[1] = NULLCHAR; // clip off comment beyond variation
18964 ToNrEvent(currentMove-1);
18965 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18966 // kludge: use ParsePV() to append variation to game
18967 move = currentMove;
18968 ParsePV(start, TRUE, TRUE);
18969 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18970 ClearPremoveHighlights();
18972 ToNrEvent(currentMove+1);
18978 char *p, *q, buf[MSG_SIZ];
18979 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18980 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18981 ParseArgsFromString(buf);
18982 ActivateTheme(TRUE); // also redo colors
18986 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18989 q = appData.themeNames;
18990 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18991 if(appData.useBitmaps) {
18992 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18993 appData.liteBackTextureFile, appData.darkBackTextureFile,
18994 appData.liteBackTextureMode,
18995 appData.darkBackTextureMode );
18997 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18998 Col2Text(2), // lightSquareColor
18999 Col2Text(3) ); // darkSquareColor
19001 if(appData.useBorder) {
19002 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
19005 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
19007 if(appData.useFont) {
19008 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
19009 appData.renderPiecesWithFont,
19010 appData.fontToPieceTable,
19011 Col2Text(9), // appData.fontBackColorWhite
19012 Col2Text(10) ); // appData.fontForeColorBlack
19014 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
19015 appData.pieceDirectory);
19016 if(!appData.pieceDirectory[0])
19017 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
19018 Col2Text(0), // whitePieceColor
19019 Col2Text(1) ); // blackPieceColor
19021 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
19022 Col2Text(4), // highlightSquareColor
19023 Col2Text(5) ); // premoveHighlightColor
19024 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
19025 if(insert != q) insert[-1] = NULLCHAR;
19026 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
19029 ActivateTheme(FALSE);