2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Free
9 * Software Foundation, Inc.
11 * Enhancements Copyright 2005 Alessandro Scotti
13 * The following terms apply to Digital Equipment Corporation's copyright
15 * ------------------------------------------------------------------------
18 * Permission to use, copy, modify, and distribute this software and its
19 * documentation for any purpose and without fee is hereby granted,
20 * provided that the above copyright notice appear in all copies and that
21 * both that copyright notice and this permission notice appear in
22 * supporting documentation, and that the name of Digital not be
23 * used in advertising or publicity pertaining to distribution of the
24 * software without specific, written prior permission.
26 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
27 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
28 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
29 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
30 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
31 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
33 * ------------------------------------------------------------------------
35 * The following terms apply to the enhanced version of XBoard
36 * distributed by the Free Software Foundation:
37 * ------------------------------------------------------------------------
39 * GNU XBoard is free software: you can redistribute it and/or modify
40 * it under the terms of the GNU General Public License as published by
41 * the Free Software Foundation, either version 3 of the License, or (at
42 * your option) any later version.
44 * GNU XBoard is distributed in the hope that it will be useful, but
45 * WITHOUT ANY WARRANTY; without even the implied warranty of
46 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
47 * General Public License for more details.
49 * You should have received a copy of the GNU General Public License
50 * along with this program. If not, see http://www.gnu.org/licenses/. *
52 *------------------------------------------------------------------------
53 ** See the file ChangeLog for a revision history. */
55 /* [AS] Also useful here for debugging */
59 int flock(int f, int code);
64 # define EGBB_NAME "egbbdll64.dll"
66 # define EGBB_NAME "egbbdll.dll"
71 # include <sys/file.h>
76 # define EGBB_NAME "egbbso64.so"
78 # define EGBB_NAME "egbbso.so"
80 // kludge to allow Windows code in back-end by converting it to corresponding Linux code
82 # define HMODULE void *
83 # define LoadLibrary(x) dlopen(x, RTLD_LAZY)
84 # define GetProcAddress dlsym
94 #include <sys/types.h>
103 #else /* not STDC_HEADERS */
106 # else /* not HAVE_STRING_H */
107 # include <strings.h>
108 # endif /* not HAVE_STRING_H */
109 #endif /* not STDC_HEADERS */
112 # include <sys/fcntl.h>
113 #else /* not HAVE_SYS_FCNTL_H */
116 # endif /* HAVE_FCNTL_H */
117 #endif /* not HAVE_SYS_FCNTL_H */
119 #if TIME_WITH_SYS_TIME
120 # include <sys/time.h>
124 # include <sys/time.h>
130 #if defined(_amigados) && !defined(__GNUC__)
135 extern int gettimeofday(struct timeval *, struct timezone *);
143 #include "frontend.h"
150 #include "backendz.h"
151 #include "evalgraph.h"
152 #include "engineoutput.h"
156 # define _(s) gettext (s)
157 # define N_(s) gettext_noop (s)
158 # define T_(s) gettext(s)
171 int establish P((void));
172 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
173 char *buf, int count, int error));
174 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
175 char *buf, int count, int error));
176 void SendToICS P((char *s));
177 void SendToICSDelayed P((char *s, long msdelay));
178 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
179 void HandleMachineMove P((char *message, ChessProgramState *cps));
180 int AutoPlayOneMove P((void));
181 int LoadGameOneMove P((ChessMove readAhead));
182 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
183 int LoadPositionFromFile P((char *filename, int n, char *title));
184 int SavePositionToFile P((char *filename));
185 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
186 void ShowMove P((int fromX, int fromY, int toX, int toY));
187 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
188 /*char*/int promoChar));
189 void BackwardInner P((int target));
190 void ForwardInner P((int target));
191 int Adjudicate P((ChessProgramState *cps));
192 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
193 void EditPositionDone P((Boolean fakeRights));
194 void PrintOpponents P((FILE *fp));
195 void PrintPosition P((FILE *fp, int move));
196 void SendToProgram P((char *message, ChessProgramState *cps));
197 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
198 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
199 char *buf, int count, int error));
200 void SendTimeControl P((ChessProgramState *cps,
201 int mps, long tc, int inc, int sd, int st));
202 char *TimeControlTagValue P((void));
203 void Attention P((ChessProgramState *cps));
204 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
205 int ResurrectChessProgram P((void));
206 void DisplayComment P((int moveNumber, char *text));
207 void DisplayMove P((int moveNumber));
209 void ParseGameHistory P((char *game));
210 void ParseBoard12 P((char *string));
211 void KeepAlive P((void));
212 void StartClocks P((void));
213 void SwitchClocks P((int nr));
214 void StopClocks P((void));
215 void ResetClocks P((void));
216 char *PGNDate P((void));
217 void SetGameInfo P((void));
218 int RegisterMove P((void));
219 void MakeRegisteredMove P((void));
220 void TruncateGame P((void));
221 int looking_at P((char *, int *, char *));
222 void CopyPlayerNameIntoFileName P((char **, char *));
223 char *SavePart P((char *));
224 int SaveGameOldStyle P((FILE *));
225 int SaveGamePGN P((FILE *));
226 int CheckFlags P((void));
227 long NextTickLength P((long));
228 void CheckTimeControl P((void));
229 void show_bytes P((FILE *, char *, int));
230 int string_to_rating P((char *str));
231 void ParseFeatures P((char* args, ChessProgramState *cps));
232 void InitBackEnd3 P((void));
233 void FeatureDone P((ChessProgramState* cps, int val));
234 void InitChessProgram P((ChessProgramState *cps, int setup));
235 void OutputKibitz(int window, char *text);
236 int PerpetualChase(int first, int last);
237 int EngineOutputIsUp();
238 void InitDrawingSizes(int x, int y);
239 void NextMatchGame P((void));
240 int NextTourneyGame P((int nr, int *swap));
241 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
242 FILE *WriteTourneyFile P((char *results, FILE *f));
243 void DisplayTwoMachinesTitle P(());
244 static void ExcludeClick P((int index));
245 void ToggleSecond P((void));
246 void PauseEngine P((ChessProgramState *cps));
247 static int NonStandardBoardSize P((VariantClass v, int w, int h, int s));
250 extern void ConsoleCreate();
253 ChessProgramState *WhitePlayer();
254 int VerifyDisplayMode P(());
256 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
257 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
258 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
259 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
260 void ics_update_width P((int new_width));
261 extern char installDir[MSG_SIZ];
262 VariantClass startVariant; /* [HGM] nicks: initial variant */
265 extern int tinyLayout, smallLayout;
266 ChessProgramStats programStats;
267 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
269 static int exiting = 0; /* [HGM] moved to top */
270 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
271 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
272 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
273 int partnerHighlight[2];
274 Boolean partnerBoardValid = 0;
275 char partnerStatus[MSG_SIZ];
277 Boolean originalFlip;
278 Boolean twoBoards = 0;
279 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
280 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
281 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
282 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
283 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
284 int opponentKibitzes;
285 int lastSavedGame; /* [HGM] save: ID of game */
286 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
287 extern int chatCount;
289 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
290 char legal[BOARD_RANKS][BOARD_FILES]; /* [HGM] legal target squares */
291 char lastMsg[MSG_SIZ];
292 char lastTalker[MSG_SIZ];
293 ChessSquare pieceSweep = EmptySquare;
294 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
295 int promoDefaultAltered;
296 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
297 static int initPing = -1;
298 int border; /* [HGM] width of board rim, needed to size seek graph */
299 char bestMove[MSG_SIZ];
300 int solvingTime, totalTime;
302 /* States for ics_getting_history */
304 #define H_REQUESTED 1
305 #define H_GOT_REQ_HEADER 2
306 #define H_GOT_UNREQ_HEADER 3
307 #define H_GETTING_MOVES 4
308 #define H_GOT_UNWANTED_HEADER 5
310 /* whosays values for GameEnds */
319 /* Maximum number of games in a cmail message */
320 #define CMAIL_MAX_GAMES 20
322 /* Different types of move when calling RegisterMove */
324 #define CMAIL_RESIGN 1
326 #define CMAIL_ACCEPT 3
328 /* Different types of result to remember for each game */
329 #define CMAIL_NOT_RESULT 0
330 #define CMAIL_OLD_RESULT 1
331 #define CMAIL_NEW_RESULT 2
333 /* Telnet protocol constants */
344 safeStrCpy (char *dst, const char *src, size_t count)
347 assert( dst != NULL );
348 assert( src != NULL );
351 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
352 if( i == count && dst[count-1] != NULLCHAR)
354 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
355 if(appData.debugMode)
356 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
362 /* Some compiler can't cast u64 to double
363 * This function do the job for us:
365 * We use the highest bit for cast, this only
366 * works if the highest bit is not
367 * in use (This should not happen)
369 * We used this for all compiler
372 u64ToDouble (u64 value)
375 u64 tmp = value & u64Const(0x7fffffffffffffff);
376 r = (double)(s64)tmp;
377 if (value & u64Const(0x8000000000000000))
378 r += 9.2233720368547758080e18; /* 2^63 */
382 /* Fake up flags for now, as we aren't keeping track of castling
383 availability yet. [HGM] Change of logic: the flag now only
384 indicates the type of castlings allowed by the rule of the game.
385 The actual rights themselves are maintained in the array
386 castlingRights, as part of the game history, and are not probed
392 int flags = F_ALL_CASTLE_OK;
393 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
394 switch (gameInfo.variant) {
396 flags &= ~F_ALL_CASTLE_OK;
397 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
398 flags |= F_IGNORE_CHECK;
400 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
403 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
405 case VariantKriegspiel:
406 flags |= F_KRIEGSPIEL_CAPTURE;
408 case VariantCapaRandom:
409 case VariantFischeRandom:
410 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
411 case VariantNoCastle:
412 case VariantShatranj:
417 flags &= ~F_ALL_CASTLE_OK;
420 case VariantChuChess:
422 flags |= F_NULL_MOVE;
427 if(appData.fischerCastling) flags |= F_FRC_TYPE_CASTLING, flags &= ~F_ALL_CASTLE_OK; // [HGM] fischer
431 FILE *gameFileFP, *debugFP, *serverFP;
432 char *currentDebugFile; // [HGM] debug split: to remember name
435 [AS] Note: sometimes, the sscanf() function is used to parse the input
436 into a fixed-size buffer. Because of this, we must be prepared to
437 receive strings as long as the size of the input buffer, which is currently
438 set to 4K for Windows and 8K for the rest.
439 So, we must either allocate sufficiently large buffers here, or
440 reduce the size of the input buffer in the input reading part.
443 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
444 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
445 char thinkOutput1[MSG_SIZ*10];
446 char promoRestrict[MSG_SIZ];
448 ChessProgramState first, second, pairing;
450 /* premove variables */
453 int premoveFromX = 0;
454 int premoveFromY = 0;
455 int premovePromoChar = 0;
457 Boolean alarmSounded;
458 /* end premove variables */
460 char *ics_prefix = "$";
461 enum ICS_TYPE ics_type = ICS_GENERIC;
463 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
464 int pauseExamForwardMostMove = 0;
465 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
466 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
467 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
468 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
469 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
470 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
471 int whiteFlag = FALSE, blackFlag = FALSE;
472 int userOfferedDraw = FALSE;
473 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
474 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
475 int cmailMoveType[CMAIL_MAX_GAMES];
476 long ics_clock_paused = 0;
477 ProcRef icsPR = NoProc, cmailPR = NoProc;
478 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
479 GameMode gameMode = BeginningOfGame;
480 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
481 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
482 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
483 int hiddenThinkOutputState = 0; /* [AS] */
484 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
485 int adjudicateLossPlies = 6;
486 char white_holding[64], black_holding[64];
487 TimeMark lastNodeCountTime;
488 long lastNodeCount=0;
489 int shiftKey, controlKey; // [HGM] set by mouse handler
491 int have_sent_ICS_logon = 0;
493 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
494 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
495 Boolean adjustedClock;
496 long timeControl_2; /* [AS] Allow separate time controls */
497 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
498 long timeRemaining[2][MAX_MOVES];
499 int matchGame = 0, nextGame = 0, roundNr = 0;
500 Boolean waitingForGame = FALSE, startingEngine = FALSE;
501 TimeMark programStartTime, pauseStart;
502 char ics_handle[MSG_SIZ];
503 int have_set_title = 0;
505 /* animateTraining preserves the state of appData.animate
506 * when Training mode is activated. This allows the
507 * response to be animated when appData.animate == TRUE and
508 * appData.animateDragging == TRUE.
510 Boolean animateTraining;
516 Board boards[MAX_MOVES];
517 /* [HGM] Following 7 needed for accurate legality tests: */
518 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
519 unsigned char initialRights[BOARD_FILES];
520 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
521 int initialRulePlies, FENrulePlies;
522 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
524 Boolean shuffleOpenings;
525 int mute; // mute all sounds
527 // [HGM] vari: next 12 to save and restore variations
528 #define MAX_VARIATIONS 10
529 int framePtr = MAX_MOVES-1; // points to free stack entry
531 int savedFirst[MAX_VARIATIONS];
532 int savedLast[MAX_VARIATIONS];
533 int savedFramePtr[MAX_VARIATIONS];
534 char *savedDetails[MAX_VARIATIONS];
535 ChessMove savedResult[MAX_VARIATIONS];
537 void PushTail P((int firstMove, int lastMove));
538 Boolean PopTail P((Boolean annotate));
539 void PushInner P((int firstMove, int lastMove));
540 void PopInner P((Boolean annotate));
541 void CleanupTail P((void));
543 ChessSquare FIDEArray[2][BOARD_FILES] = {
544 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
545 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
546 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
547 BlackKing, BlackBishop, BlackKnight, BlackRook }
550 ChessSquare twoKingsArray[2][BOARD_FILES] = {
551 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
552 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
553 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
554 BlackKing, BlackKing, BlackKnight, BlackRook }
557 ChessSquare KnightmateArray[2][BOARD_FILES] = {
558 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
559 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
560 { BlackRook, BlackMan, BlackBishop, BlackQueen,
561 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
564 ChessSquare SpartanArray[2][BOARD_FILES] = {
565 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
566 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
567 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
568 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
571 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
572 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
573 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
574 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
575 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
578 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
579 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
580 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
581 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
582 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
585 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
586 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
587 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
588 { BlackRook, BlackKnight, BlackMan, BlackFerz,
589 BlackKing, BlackMan, BlackKnight, BlackRook }
592 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
593 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
594 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
595 { BlackRook, BlackKnight, BlackMan, BlackFerz,
596 BlackKing, BlackMan, BlackKnight, BlackRook }
599 ChessSquare lionArray[2][BOARD_FILES] = {
600 { WhiteRook, WhiteLion, WhiteBishop, WhiteQueen,
601 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
602 { BlackRook, BlackLion, BlackBishop, BlackQueen,
603 BlackKing, BlackBishop, BlackKnight, BlackRook }
607 #if (BOARD_FILES>=10)
608 ChessSquare ShogiArray[2][BOARD_FILES] = {
609 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
610 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
611 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
612 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
615 ChessSquare XiangqiArray[2][BOARD_FILES] = {
616 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
617 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
618 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
619 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
622 ChessSquare CapablancaArray[2][BOARD_FILES] = {
623 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
624 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
625 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
626 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
629 ChessSquare GreatArray[2][BOARD_FILES] = {
630 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
631 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
632 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
633 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
636 ChessSquare JanusArray[2][BOARD_FILES] = {
637 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
638 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
639 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
640 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
643 ChessSquare GrandArray[2][BOARD_FILES] = {
644 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
645 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
646 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
647 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
650 ChessSquare ChuChessArray[2][BOARD_FILES] = {
651 { WhiteMan, WhiteKnight, WhiteBishop, WhiteCardinal, WhiteLion,
652 WhiteQueen, WhiteDragon, WhiteBishop, WhiteKnight, WhiteMan },
653 { BlackMan, BlackKnight, BlackBishop, BlackDragon, BlackQueen,
654 BlackLion, BlackCardinal, BlackBishop, BlackKnight, BlackMan }
658 ChessSquare GothicArray[2][BOARD_FILES] = {
659 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
660 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
661 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
662 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
665 #define GothicArray CapablancaArray
669 ChessSquare FalconArray[2][BOARD_FILES] = {
670 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
671 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
672 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
673 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
676 #define FalconArray CapablancaArray
679 #else // !(BOARD_FILES>=10)
680 #define XiangqiPosition FIDEArray
681 #define CapablancaArray FIDEArray
682 #define GothicArray FIDEArray
683 #define GreatArray FIDEArray
684 #endif // !(BOARD_FILES>=10)
686 #if (BOARD_FILES>=12)
687 ChessSquare CourierArray[2][BOARD_FILES] = {
688 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
689 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
690 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
691 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
693 ChessSquare ChuArray[6][BOARD_FILES] = {
694 { WhiteLance, WhiteUnicorn, WhiteMan, WhiteFerz, WhiteWazir, WhiteKing,
695 WhiteAlfil, WhiteWazir, WhiteFerz, WhiteMan, WhiteUnicorn, WhiteLance },
696 { BlackLance, BlackUnicorn, BlackMan, BlackFerz, BlackWazir, BlackAlfil,
697 BlackKing, BlackWazir, BlackFerz, BlackMan, BlackUnicorn, BlackLance },
698 { WhiteCannon, EmptySquare, WhiteBishop, EmptySquare, WhiteNightrider, WhiteMarshall,
699 WhiteAngel, WhiteNightrider, EmptySquare, WhiteBishop, EmptySquare, WhiteCannon },
700 { BlackCannon, EmptySquare, BlackBishop, EmptySquare, BlackNightrider, BlackAngel,
701 BlackMarshall, BlackNightrider, EmptySquare, BlackBishop, EmptySquare, BlackCannon },
702 { WhiteFalcon, WhiteSilver, WhiteRook, WhiteCardinal, WhiteDragon, WhiteLion,
703 WhiteQueen, WhiteDragon, WhiteCardinal, WhiteRook, WhiteSilver, WhiteFalcon },
704 { BlackFalcon, BlackSilver, BlackRook, BlackCardinal, BlackDragon, BlackQueen,
705 BlackLion, BlackDragon, BlackCardinal, BlackRook, BlackSilver, BlackFalcon }
707 #else // !(BOARD_FILES>=12)
708 #define CourierArray CapablancaArray
709 #define ChuArray CapablancaArray
710 #endif // !(BOARD_FILES>=12)
713 Board initialPosition;
716 /* Convert str to a rating. Checks for special cases of "----",
718 "++++", etc. Also strips ()'s */
720 string_to_rating (char *str)
722 while(*str && !isdigit(*str)) ++str;
724 return 0; /* One of the special "no rating" cases */
732 /* Init programStats */
733 programStats.movelist[0] = 0;
734 programStats.depth = 0;
735 programStats.nr_moves = 0;
736 programStats.moves_left = 0;
737 programStats.nodes = 0;
738 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
739 programStats.score = 0;
740 programStats.got_only_move = 0;
741 programStats.got_fail = 0;
742 programStats.line_is_book = 0;
747 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
748 if (appData.firstPlaysBlack) {
749 first.twoMachinesColor = "black\n";
750 second.twoMachinesColor = "white\n";
752 first.twoMachinesColor = "white\n";
753 second.twoMachinesColor = "black\n";
756 first.other = &second;
757 second.other = &first;
760 if(appData.timeOddsMode) {
761 norm = appData.timeOdds[0];
762 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
764 first.timeOdds = appData.timeOdds[0]/norm;
765 second.timeOdds = appData.timeOdds[1]/norm;
768 if(programVersion) free(programVersion);
769 if (appData.noChessProgram) {
770 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
771 sprintf(programVersion, "%s", PACKAGE_STRING);
773 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
774 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
775 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
780 UnloadEngine (ChessProgramState *cps)
782 /* Kill off first chess program */
783 if (cps->isr != NULL)
784 RemoveInputSource(cps->isr);
787 if (cps->pr != NoProc) {
789 DoSleep( appData.delayBeforeQuit );
790 SendToProgram("quit\n", cps);
791 DestroyChildProcess(cps->pr, 4 + cps->useSigterm);
794 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
798 ClearOptions (ChessProgramState *cps)
801 cps->nrOptions = cps->comboCnt = 0;
802 for(i=0; i<MAX_OPTIONS; i++) {
803 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
804 cps->option[i].textValue = 0;
808 char *engineNames[] = {
809 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
810 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
812 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
813 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
818 InitEngine (ChessProgramState *cps, int n)
819 { // [HGM] all engine initialiation put in a function that does one engine
823 cps->which = engineNames[n];
824 cps->maybeThinking = FALSE;
828 cps->sendDrawOffers = 1;
830 cps->program = appData.chessProgram[n];
831 cps->host = appData.host[n];
832 cps->dir = appData.directory[n];
833 cps->initString = appData.engInitString[n];
834 cps->computerString = appData.computerString[n];
835 cps->useSigint = TRUE;
836 cps->useSigterm = TRUE;
837 cps->reuse = appData.reuse[n];
838 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
839 cps->useSetboard = FALSE;
841 cps->usePing = FALSE;
844 cps->usePlayother = FALSE;
845 cps->useColors = TRUE;
846 cps->useUsermove = FALSE;
847 cps->sendICS = FALSE;
848 cps->sendName = appData.icsActive;
849 cps->sdKludge = FALSE;
850 cps->stKludge = FALSE;
851 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
852 TidyProgramName(cps->program, cps->host, cps->tidy);
854 ASSIGN(cps->variants, appData.noChessProgram ? "" : appData.variant);
855 cps->analysisSupport = 2; /* detect */
856 cps->analyzing = FALSE;
857 cps->initDone = FALSE;
859 cps->pseudo = appData.pseudo[n];
861 /* New features added by Tord: */
862 cps->useFEN960 = FALSE;
863 cps->useOOCastle = TRUE;
864 /* End of new features added by Tord. */
865 cps->fenOverride = appData.fenOverride[n];
867 /* [HGM] time odds: set factor for each machine */
868 cps->timeOdds = appData.timeOdds[n];
870 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
871 cps->accumulateTC = appData.accumulateTC[n];
872 cps->maxNrOfSessions = 1;
877 cps->drawDepth = appData.drawDepth[n];
878 cps->supportsNPS = UNKNOWN;
879 cps->memSize = FALSE;
880 cps->maxCores = FALSE;
881 ASSIGN(cps->egtFormats, "");
884 cps->optionSettings = appData.engOptions[n];
886 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
887 cps->isUCI = appData.isUCI[n]; /* [AS] */
888 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
891 if (appData.protocolVersion[n] > PROTOVER
892 || appData.protocolVersion[n] < 1)
897 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
898 appData.protocolVersion[n]);
899 if( (len >= MSG_SIZ) && appData.debugMode )
900 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
902 DisplayFatalError(buf, 0, 2);
906 cps->protocolVersion = appData.protocolVersion[n];
909 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
910 ParseFeatures(appData.featureDefaults, cps);
913 ChessProgramState *savCps;
921 if(WaitForEngine(savCps, LoadEngine)) return;
922 CommonEngineInit(); // recalculate time odds
923 if(gameInfo.variant != StringToVariant(appData.variant)) {
924 // we changed variant when loading the engine; this forces us to reset
925 Reset(TRUE, savCps != &first);
926 oldMode = BeginningOfGame; // to prevent restoring old mode
928 InitChessProgram(savCps, FALSE);
929 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
930 DisplayMessage("", "");
931 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
932 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
935 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
939 ReplaceEngine (ChessProgramState *cps, int n)
941 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
943 if(oldMode != BeginningOfGame) EditGameEvent();
946 appData.noChessProgram = FALSE;
947 appData.clockMode = TRUE;
950 if(n) return; // only startup first engine immediately; second can wait
951 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
955 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
956 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
958 static char resetOptions[] =
959 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
960 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
961 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 -fd \".\" "
962 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
965 FloatToFront(char **list, char *engineLine)
967 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
969 if(appData.recentEngines <= 0) return;
970 TidyProgramName(engineLine, "localhost", tidy+1);
971 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
972 strncpy(buf+1, *list, MSG_SIZ-50);
973 if(p = strstr(buf, tidy)) { // tidy name appears in list
974 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
975 while(*p++ = *++q); // squeeze out
977 strcat(tidy, buf+1); // put list behind tidy name
978 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
979 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
980 ASSIGN(*list, tidy+1);
983 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
986 Load (ChessProgramState *cps, int i)
988 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ], buf3[MSG_SIZ], jar;
989 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
990 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
991 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
992 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
993 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
994 appData.firstProtocolVersion = PROTOVER;
995 ParseArgsFromString(buf);
997 ReplaceEngine(cps, i);
998 FloatToFront(&appData.recentEngineList, engineLine);
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 = 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 SetProgramStats( &stats );
8064 ClearEngineOutputPane (int which)
8066 static FrontEndProgramStats dummyStats;
8067 dummyStats.which = which;
8068 dummyStats.pv = "#";
8069 SetProgramStats( &dummyStats );
8072 #define MAXPLAYERS 500
8075 TourneyStandings (int display)
8077 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
8078 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
8079 char result, *p, *names[MAXPLAYERS];
8081 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
8082 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
8083 names[0] = p = strdup(appData.participants);
8084 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
8086 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
8088 while(result = appData.results[nr]) {
8089 color = Pairing(nr, nPlayers, &w, &b, &dummy);
8090 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
8091 wScore = bScore = 0;
8093 case '+': wScore = 2; break;
8094 case '-': bScore = 2; break;
8095 case '=': wScore = bScore = 1; break;
8097 case '*': return strdup("busy"); // tourney not finished
8105 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
8106 for(w=0; w<nPlayers; w++) {
8108 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
8109 ranking[w] = b; points[w] = bScore; score[b] = -2;
8111 p = malloc(nPlayers*34+1);
8112 for(w=0; w<nPlayers && w<display; w++)
8113 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
8119 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
8120 { // count all piece types
8122 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
8123 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
8124 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8127 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
8128 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
8129 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
8130 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
8131 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
8132 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
8137 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
8139 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
8140 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
8142 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
8143 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
8144 if(myPawns == 2 && nMine == 3) // KPP
8145 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
8146 if(myPawns == 1 && nMine == 2) // KP
8147 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8148 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
8149 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
8150 if(myPawns) return FALSE;
8151 if(pCnt[WhiteRook+side])
8152 return pCnt[BlackRook-side] ||
8153 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
8154 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
8155 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
8156 if(pCnt[WhiteCannon+side]) {
8157 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
8158 return majorDefense || pCnt[BlackAlfil-side] >= 2;
8160 if(pCnt[WhiteKnight+side])
8161 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8166 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
8168 VariantClass v = gameInfo.variant;
8170 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
8171 if(v == VariantShatranj) return TRUE; // always winnable through baring
8172 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
8173 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
8175 if(v == VariantXiangqi) {
8176 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
8178 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
8179 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
8180 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
8181 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
8182 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
8183 if(stale) // we have at least one last-rank P plus perhaps C
8184 return majors // KPKX
8185 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
8187 return pCnt[WhiteFerz+side] // KCAK
8188 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
8189 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
8190 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
8192 } else if(v == VariantKnightmate) {
8193 if(nMine == 1) return FALSE;
8194 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
8195 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
8196 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
8198 if(nMine == 1) return FALSE; // bare King
8199 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
8200 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
8201 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
8202 // by now we have King + 1 piece (or multiple Bishops on the same color)
8203 if(pCnt[WhiteKnight+side])
8204 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
8205 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
8206 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
8208 return (pCnt[BlackKnight-side]); // KBKN, KFKN
8209 if(pCnt[WhiteAlfil+side])
8210 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
8211 if(pCnt[WhiteWazir+side])
8212 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8219 CompareWithRights (Board b1, Board b2)
8222 if(!CompareBoards(b1, b2)) return FALSE;
8223 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8224 /* compare castling rights */
8225 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8226 rights++; /* King lost rights, while rook still had them */
8227 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8228 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8229 rights++; /* but at least one rook lost them */
8231 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8233 if( b1[CASTLING][5] != NoRights ) {
8234 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8241 Adjudicate (ChessProgramState *cps)
8242 { // [HGM] some adjudications useful with buggy engines
8243 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8244 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8245 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8246 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8247 int k, drop, count = 0; static int bare = 1;
8248 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8249 Boolean canAdjudicate = !appData.icsActive;
8251 // most tests only when we understand the game, i.e. legality-checking on
8252 if( appData.testLegality )
8253 { /* [HGM] Some more adjudications for obstinate engines */
8254 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+2], i;
8255 static int moveCount = 6;
8257 char *reason = NULL;
8259 /* Count what is on board. */
8260 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8262 /* Some material-based adjudications that have to be made before stalemate test */
8263 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8264 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8265 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8266 if(canAdjudicate && appData.checkMates) {
8268 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8269 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8270 "Xboard adjudication: King destroyed", GE_XBOARD );
8275 /* Bare King in Shatranj (loses) or Losers (wins) */
8276 if( nrW == 1 || nrB == 1) {
8277 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8278 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8279 if(canAdjudicate && appData.checkMates) {
8281 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8282 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8283 "Xboard adjudication: Bare king", GE_XBOARD );
8287 if( gameInfo.variant == VariantShatranj && --bare < 0)
8289 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8290 if(canAdjudicate && appData.checkMates) {
8291 /* but only adjudicate if adjudication enabled */
8293 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8294 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8295 "Xboard adjudication: Bare king", GE_XBOARD );
8302 // don't wait for engine to announce game end if we can judge ourselves
8303 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8305 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8306 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8307 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8308 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8311 reason = "Xboard adjudication: 3rd check";
8312 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8323 reason = "Xboard adjudication: Stalemate";
8324 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8325 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8326 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8327 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8328 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8329 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8330 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8331 EP_CHECKMATE : EP_WINS);
8332 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8333 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8337 reason = "Xboard adjudication: Checkmate";
8338 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8339 if(gameInfo.variant == VariantShogi) {
8340 if(forwardMostMove > backwardMostMove
8341 && moveList[forwardMostMove-1][1] == '@'
8342 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8343 reason = "XBoard adjudication: pawn-drop mate";
8344 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8350 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8352 result = GameIsDrawn; break;
8354 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8356 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8360 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8362 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8363 GameEnds( result, reason, GE_XBOARD );
8367 /* Next absolutely insufficient mating material. */
8368 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8369 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8370 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8372 /* always flag draws, for judging claims */
8373 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8375 if(canAdjudicate && appData.materialDraws) {
8376 /* but only adjudicate them if adjudication enabled */
8377 if(engineOpponent) {
8378 SendToProgram("force\n", engineOpponent); // suppress reply
8379 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8381 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8386 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8387 if(gameInfo.variant == VariantXiangqi ?
8388 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8390 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8391 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8392 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8393 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8395 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8396 { /* if the first 3 moves do not show a tactical win, declare draw */
8397 if(engineOpponent) {
8398 SendToProgram("force\n", engineOpponent); // suppress reply
8399 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8401 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8404 } else moveCount = 6;
8407 // Repetition draws and 50-move rule can be applied independently of legality testing
8409 /* Check for rep-draws */
8411 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8412 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8413 for(k = forwardMostMove-2;
8414 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8415 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8416 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8419 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8420 /* compare castling rights */
8421 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8422 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8423 rights++; /* King lost rights, while rook still had them */
8424 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8425 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8426 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8427 rights++; /* but at least one rook lost them */
8429 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8430 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8432 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8433 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8434 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8437 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8438 && appData.drawRepeats > 1) {
8439 /* adjudicate after user-specified nr of repeats */
8440 int result = GameIsDrawn;
8441 char *details = "XBoard adjudication: repetition draw";
8442 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8443 // [HGM] xiangqi: check for forbidden perpetuals
8444 int m, ourPerpetual = 1, hisPerpetual = 1;
8445 for(m=forwardMostMove; m>k; m-=2) {
8446 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8447 ourPerpetual = 0; // the current mover did not always check
8448 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8449 hisPerpetual = 0; // the opponent did not always check
8451 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8452 ourPerpetual, hisPerpetual);
8453 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8454 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8455 details = "Xboard adjudication: perpetual checking";
8457 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8458 break; // (or we would have caught him before). Abort repetition-checking loop.
8460 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8461 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8463 details = "Xboard adjudication: repetition";
8465 } else // it must be XQ
8466 // Now check for perpetual chases
8467 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8468 hisPerpetual = PerpetualChase(k, forwardMostMove);
8469 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8470 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8471 static char resdet[MSG_SIZ];
8472 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8474 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8476 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8477 break; // Abort repetition-checking loop.
8479 // if neither of us is checking or chasing all the time, or both are, it is draw
8481 if(engineOpponent) {
8482 SendToProgram("force\n", engineOpponent); // suppress reply
8483 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8485 GameEnds( result, details, GE_XBOARD );
8488 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8489 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8493 /* Now we test for 50-move draws. Determine ply count */
8494 count = forwardMostMove;
8495 /* look for last irreversble move */
8496 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8498 /* if we hit starting position, add initial plies */
8499 if( count == backwardMostMove )
8500 count -= initialRulePlies;
8501 count = forwardMostMove - count;
8502 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8503 // adjust reversible move counter for checks in Xiangqi
8504 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8505 if(i < backwardMostMove) i = backwardMostMove;
8506 while(i <= forwardMostMove) {
8507 lastCheck = inCheck; // check evasion does not count
8508 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8509 if(inCheck || lastCheck) count--; // check does not count
8514 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8515 /* this is used to judge if draw claims are legal */
8516 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8517 if(engineOpponent) {
8518 SendToProgram("force\n", engineOpponent); // suppress reply
8519 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8521 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8525 /* if draw offer is pending, treat it as a draw claim
8526 * when draw condition present, to allow engines a way to
8527 * claim draws before making their move to avoid a race
8528 * condition occurring after their move
8530 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8532 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8533 p = "Draw claim: 50-move rule";
8534 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8535 p = "Draw claim: 3-fold repetition";
8536 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8537 p = "Draw claim: insufficient mating material";
8538 if( p != NULL && canAdjudicate) {
8539 if(engineOpponent) {
8540 SendToProgram("force\n", engineOpponent); // suppress reply
8541 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8543 GameEnds( GameIsDrawn, p, GE_XBOARD );
8548 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8549 if(engineOpponent) {
8550 SendToProgram("force\n", engineOpponent); // suppress reply
8551 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8553 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8559 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8560 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8561 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8566 int pieces[10], squares[10], cnt=0, r, f, res;
8568 static PPROBE_EGBB probeBB;
8569 if(!appData.testLegality) return 10;
8570 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8571 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8572 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8573 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8574 ChessSquare piece = boards[forwardMostMove][r][f];
8575 int black = (piece >= BlackPawn);
8576 int type = piece - black*BlackPawn;
8577 if(piece == EmptySquare) continue;
8578 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8579 if(type == WhiteKing) type = WhiteQueen + 1;
8580 type = egbbCode[type];
8581 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8582 pieces[cnt] = type + black*6;
8583 if(++cnt > 5) return 11;
8585 pieces[cnt] = squares[cnt] = 0;
8587 if(loaded == 2) return 13; // loading failed before
8589 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8592 loaded = 2; // prepare for failure
8593 if(!path) return 13; // no egbb installed
8594 strncpy(buf, path + 8, MSG_SIZ);
8595 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8596 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8597 lib = LoadLibrary(buf);
8598 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8599 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8600 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8601 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8602 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8603 loaded = 1; // success!
8605 res = probeBB(forwardMostMove & 1, pieces, squares);
8606 return res > 0 ? 1 : res < 0 ? -1 : 0;
8610 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8611 { // [HGM] book: this routine intercepts moves to simulate book replies
8612 char *bookHit = NULL;
8614 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8616 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8617 SendToProgram(buf, cps);
8619 //first determine if the incoming move brings opponent into his book
8620 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8621 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8622 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8623 if(bookHit != NULL && !cps->bookSuspend) {
8624 // make sure opponent is not going to reply after receiving move to book position
8625 SendToProgram("force\n", cps);
8626 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8628 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8629 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8630 // now arrange restart after book miss
8632 // after a book hit we never send 'go', and the code after the call to this routine
8633 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8634 char buf[MSG_SIZ], *move = bookHit;
8636 int fromX, fromY, toX, toY;
8640 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8641 &fromX, &fromY, &toX, &toY, &promoChar)) {
8642 (void) CoordsToAlgebraic(boards[forwardMostMove],
8643 PosFlags(forwardMostMove),
8644 fromY, fromX, toY, toX, promoChar, move);
8646 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8650 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8651 SendToProgram(buf, cps);
8652 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8653 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8654 SendToProgram("go\n", cps);
8655 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8656 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8657 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8658 SendToProgram("go\n", cps);
8659 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8661 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8665 LoadError (char *errmess, ChessProgramState *cps)
8666 { // unloads engine and switches back to -ncp mode if it was first
8667 if(cps->initDone) return FALSE;
8668 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8669 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8672 appData.noChessProgram = TRUE;
8673 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8674 gameMode = BeginningOfGame; ModeHighlight();
8677 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8678 DisplayMessage("", ""); // erase waiting message
8679 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8684 ChessProgramState *savedState;
8686 DeferredBookMove (void)
8688 if(savedState->lastPing != savedState->lastPong)
8689 ScheduleDelayedEvent(DeferredBookMove, 10);
8691 HandleMachineMove(savedMessage, savedState);
8694 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8695 static ChessProgramState *stalledEngine;
8696 static char stashedInputMove[MSG_SIZ], abortEngineThink;
8699 HandleMachineMove (char *message, ChessProgramState *cps)
8701 static char firstLeg[20], legs;
8702 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8703 char realname[MSG_SIZ];
8704 int fromX, fromY, toX, toY;
8706 char promoChar, roar;
8711 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8712 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8713 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8714 DisplayError(_("Invalid pairing from pairing engine"), 0);
8717 pairingReceived = 1;
8719 return; // Skim the pairing messages here.
8722 oldError = cps->userError; cps->userError = 0;
8724 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8726 * Kludge to ignore BEL characters
8728 while (*message == '\007') message++;
8731 * [HGM] engine debug message: ignore lines starting with '#' character
8733 if(cps->debug && *message == '#') return;
8736 * Look for book output
8738 if (cps == &first && bookRequested) {
8739 if (message[0] == '\t' || message[0] == ' ') {
8740 /* Part of the book output is here; append it */
8741 strcat(bookOutput, message);
8742 strcat(bookOutput, " \n");
8744 } else if (bookOutput[0] != NULLCHAR) {
8745 /* All of book output has arrived; display it */
8746 char *p = bookOutput;
8747 while (*p != NULLCHAR) {
8748 if (*p == '\t') *p = ' ';
8751 DisplayInformation(bookOutput);
8752 bookRequested = FALSE;
8753 /* Fall through to parse the current output */
8758 * Look for machine move.
8760 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8761 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8763 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8764 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8765 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8766 stalledEngine = cps;
8767 if(appData.ponderNextMove) { // bring opponent out of ponder
8768 if(gameMode == TwoMachinesPlay) {
8769 if(cps->other->pause)
8770 PauseEngine(cps->other);
8772 SendToProgram("easy\n", cps->other);
8781 /* This method is only useful on engines that support ping */
8782 if(abortEngineThink) {
8783 if (appData.debugMode) {
8784 fprintf(debugFP, "Undoing move from aborted think of %s\n", cps->which);
8786 SendToProgram("undo\n", cps);
8790 if (cps->lastPing != cps->lastPong) {
8791 /* Extra move from before last new; ignore */
8792 if (appData.debugMode) {
8793 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8800 int machineWhite = FALSE;
8803 case BeginningOfGame:
8804 /* Extra move from before last reset; ignore */
8805 if (appData.debugMode) {
8806 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8813 /* Extra move after we tried to stop. The mode test is
8814 not a reliable way of detecting this problem, but it's
8815 the best we can do on engines that don't support ping.
8817 if (appData.debugMode) {
8818 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8819 cps->which, gameMode);
8821 SendToProgram("undo\n", cps);
8824 case MachinePlaysWhite:
8825 case IcsPlayingWhite:
8826 machineWhite = TRUE;
8829 case MachinePlaysBlack:
8830 case IcsPlayingBlack:
8831 machineWhite = FALSE;
8834 case TwoMachinesPlay:
8835 machineWhite = (cps->twoMachinesColor[0] == 'w');
8838 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8839 if (appData.debugMode) {
8841 "Ignoring move out of turn by %s, gameMode %d"
8842 ", forwardMost %d\n",
8843 cps->which, gameMode, forwardMostMove);
8849 if(cps->alphaRank) AlphaRank(machineMove, 4);
8851 // [HGM] lion: (some very limited) support for Alien protocol
8852 killX = killY = kill2X = kill2Y = -1;
8853 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8854 if(legs++) return; // middle leg contains only redundant info, ignore (but count it)
8855 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8858 if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move)
8859 char *q = strchr(p+1, ','); // second comma?
8860 safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off
8861 if(q) legs = 2, p = q; else legs = 1; // with 3-leg move we clipof first two legs!
8862 safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20);
8864 if(firstLeg[0]) { // there was a previous leg;
8865 // only support case where same piece makes two step
8866 char buf[20], *p = machineMove+1, *q = buf+1, f;
8867 safeStrCpy(buf, machineMove, 20);
8868 while(isdigit(*q)) q++; // find start of to-square
8869 safeStrCpy(machineMove, firstLeg, 20);
8870 while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove)
8871 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
8872 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)
8873 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8874 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8875 firstLeg[0] = NULLCHAR; legs = 0;
8878 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8879 &fromX, &fromY, &toX, &toY, &promoChar)) {
8880 /* Machine move could not be parsed; ignore it. */
8881 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8882 machineMove, _(cps->which));
8883 DisplayMoveError(buf1);
8884 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d",
8885 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType);
8886 if (gameMode == TwoMachinesPlay) {
8887 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8893 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8894 /* So we have to redo legality test with true e.p. status here, */
8895 /* to make sure an illegal e.p. capture does not slip through, */
8896 /* to cause a forfeit on a justified illegal-move complaint */
8897 /* of the opponent. */
8898 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8900 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8901 fromY, fromX, toY, toX, promoChar);
8902 if(moveType == IllegalMove) {
8903 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8904 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8905 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8908 } else if(!appData.fischerCastling)
8909 /* [HGM] Kludge to handle engines that send FRC-style castling
8910 when they shouldn't (like TSCP-Gothic) */
8912 case WhiteASideCastleFR:
8913 case BlackASideCastleFR:
8915 currentMoveString[2]++;
8917 case WhiteHSideCastleFR:
8918 case BlackHSideCastleFR:
8920 currentMoveString[2]--;
8922 default: ; // nothing to do, but suppresses warning of pedantic compilers
8925 hintRequested = FALSE;
8926 lastHint[0] = NULLCHAR;
8927 bookRequested = FALSE;
8928 /* Program may be pondering now */
8929 cps->maybeThinking = TRUE;
8930 if (cps->sendTime == 2) cps->sendTime = 1;
8931 if (cps->offeredDraw) cps->offeredDraw--;
8933 /* [AS] Save move info*/
8934 pvInfoList[ forwardMostMove ].score = programStats.score;
8935 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8936 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8938 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8940 /* Test suites abort the 'game' after one move */
8941 if(*appData.finger) {
8943 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8944 if(!f) f = fopen(appData.finger, "w");
8945 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8946 else { DisplayFatalError("Bad output file", errno, 0); return; }
8948 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8951 if(solvingTime >= 0) {
8952 snprintf(buf1, MSG_SIZ, "%d. %4.2fs\n", matchGame, solvingTime/100.);
8953 totalTime += solvingTime; first.matchWins++;
8955 snprintf(buf1, MSG_SIZ, "%d. wrong (%s)\n", matchGame, parseList[backwardMostMove]);
8958 OutputKibitz(2, buf1);
8959 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8962 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8963 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8966 while( count < adjudicateLossPlies ) {
8967 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8970 score = -score; /* Flip score for winning side */
8973 if( score > appData.adjudicateLossThreshold ) {
8980 if( count >= adjudicateLossPlies ) {
8981 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8983 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8984 "Xboard adjudication",
8991 if(Adjudicate(cps)) {
8992 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8993 return; // [HGM] adjudicate: for all automatic game ends
8997 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8999 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
9000 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
9002 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9004 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9006 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
9007 char buf[3*MSG_SIZ];
9009 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
9010 programStats.score / 100.,
9012 programStats.time / 100.,
9013 (unsigned int)programStats.nodes,
9014 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
9015 programStats.movelist);
9021 /* [AS] Clear stats for next move */
9022 ClearProgramStats();
9023 thinkOutput[0] = NULLCHAR;
9024 hiddenThinkOutputState = 0;
9027 if (gameMode == TwoMachinesPlay) {
9028 /* [HGM] relaying draw offers moved to after reception of move */
9029 /* and interpreting offer as claim if it brings draw condition */
9030 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
9031 SendToProgram("draw\n", cps->other);
9033 if (cps->other->sendTime) {
9034 SendTimeRemaining(cps->other,
9035 cps->other->twoMachinesColor[0] == 'w');
9037 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
9038 if (firstMove && !bookHit) {
9040 if (cps->other->useColors) {
9041 SendToProgram(cps->other->twoMachinesColor, cps->other);
9043 SendToProgram("go\n", cps->other);
9045 cps->other->maybeThinking = TRUE;
9048 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
9050 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9052 if (!pausing && appData.ringBellAfterMoves) {
9053 if(!roar) RingBell();
9057 * Reenable menu items that were disabled while
9058 * machine was thinking
9060 if (gameMode != TwoMachinesPlay)
9061 SetUserThinkingEnables();
9063 // [HGM] book: after book hit opponent has received move and is now in force mode
9064 // force the book reply into it, and then fake that it outputted this move by jumping
9065 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
9067 static char bookMove[MSG_SIZ]; // a bit generous?
9069 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
9070 strcat(bookMove, bookHit);
9073 programStats.nodes = programStats.depth = programStats.time =
9074 programStats.score = programStats.got_only_move = 0;
9075 sprintf(programStats.movelist, "%s (xbook)", bookHit);
9077 if(cps->lastPing != cps->lastPong) {
9078 savedMessage = message; // args for deferred call
9080 ScheduleDelayedEvent(DeferredBookMove, 10);
9089 /* Set special modes for chess engines. Later something general
9090 * could be added here; for now there is just one kludge feature,
9091 * needed because Crafty 15.10 and earlier don't ignore SIGINT
9092 * when "xboard" is given as an interactive command.
9094 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
9095 cps->useSigint = FALSE;
9096 cps->useSigterm = FALSE;
9098 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
9099 ParseFeatures(message+8, cps);
9100 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
9103 if (!strncmp(message, "setup ", 6) &&
9104 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
9105 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
9106 ) { // [HGM] allow first engine to define opening position
9107 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
9108 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
9110 if(sscanf(message, "setup (%s", buf) == 1) {
9111 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES);
9112 ASSIGN(appData.pieceToCharTable, buf);
9114 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
9116 while(message[s] && message[s++] != ' ');
9117 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
9118 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
9119 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
9120 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
9121 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
9122 if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition
9123 startedFromSetupPosition = FALSE;
9126 if(startedFromSetupPosition) return;
9127 ParseFEN(boards[0], &dummy, message+s, FALSE);
9128 DrawPosition(TRUE, boards[0]);
9129 CopyBoard(initialPosition, boards[0]);
9130 startedFromSetupPosition = TRUE;
9133 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
9134 ChessSquare piece = WhitePawn;
9135 char *p=message+6, *q, *s = SUFFIXES, ID = *p;
9136 if(*p == '+') piece = CHUPROMOTED(WhitePawn), ID = *++p;
9137 if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
9138 piece += CharToPiece(ID & 255) - WhitePawn;
9139 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
9140 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
9141 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
9142 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
9143 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
9144 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
9145 && gameInfo.variant != VariantGreat
9146 && gameInfo.variant != VariantFairy ) return;
9147 if(piece < EmptySquare) {
9149 ASSIGN(pieceDesc[piece], buf1);
9150 if((ID & 32) == 0 && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
9154 if(sscanf(message, "choice %s", promoRestrict) == 1 && promoSweep != EmptySquare) {
9155 promoSweep = CharToPiece(currentMove&1 ? ToLower(*promoRestrict) : ToUpper(*promoRestrict));
9159 /* [HGM] Allow engine to set up a position. Don't ask me why one would
9160 * want this, I was asked to put it in, and obliged.
9162 if (!strncmp(message, "setboard ", 9)) {
9163 Board initial_position;
9165 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
9167 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
9168 DisplayError(_("Bad FEN received from engine"), 0);
9172 CopyBoard(boards[0], initial_position);
9173 initialRulePlies = FENrulePlies;
9174 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
9175 else gameMode = MachinePlaysBlack;
9176 DrawPosition(FALSE, boards[currentMove]);
9182 * Look for communication commands
9184 if (!strncmp(message, "telluser ", 9)) {
9185 if(message[9] == '\\' && message[10] == '\\')
9186 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
9188 DisplayNote(message + 9);
9191 if (!strncmp(message, "tellusererror ", 14)) {
9193 if(message[14] == '\\' && message[15] == '\\')
9194 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
9196 DisplayError(message + 14, 0);
9199 if (!strncmp(message, "tellopponent ", 13)) {
9200 if (appData.icsActive) {
9202 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
9206 DisplayNote(message + 13);
9210 if (!strncmp(message, "tellothers ", 11)) {
9211 if (appData.icsActive) {
9213 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
9216 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
9219 if (!strncmp(message, "tellall ", 8)) {
9220 if (appData.icsActive) {
9222 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
9226 DisplayNote(message + 8);
9230 if (strncmp(message, "warning", 7) == 0) {
9231 /* Undocumented feature, use tellusererror in new code */
9232 DisplayError(message, 0);
9235 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
9236 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
9237 strcat(realname, " query");
9238 AskQuestion(realname, buf2, buf1, cps->pr);
9241 /* Commands from the engine directly to ICS. We don't allow these to be
9242 * sent until we are logged on. Crafty kibitzes have been known to
9243 * interfere with the login process.
9246 if (!strncmp(message, "tellics ", 8)) {
9247 SendToICS(message + 8);
9251 if (!strncmp(message, "tellicsnoalias ", 15)) {
9252 SendToICS(ics_prefix);
9253 SendToICS(message + 15);
9257 /* The following are for backward compatibility only */
9258 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9259 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9260 SendToICS(ics_prefix);
9266 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9267 if(initPing == cps->lastPong) {
9268 if(gameInfo.variant == VariantUnknown) {
9269 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9270 *engineVariant = NULLCHAR; appData.variant = VariantNormal; // back to normal as error recovery?
9271 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9275 if(cps->lastPing == cps->lastPong && abortEngineThink) {
9276 abortEngineThink = FALSE;
9277 DisplayMessage("", "");
9282 if(!strncmp(message, "highlight ", 10)) {
9283 if(appData.testLegality && !*engineVariant && appData.markers) return;
9284 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9287 if(!strncmp(message, "click ", 6)) {
9288 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9289 if(appData.testLegality || !appData.oneClick) return;
9290 sscanf(message+6, "%c%d%c", &f, &y, &c);
9291 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9292 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9293 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9294 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9295 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9296 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9297 LeftClick(Release, lastLeftX, lastLeftY);
9298 controlKey = (c == ',');
9299 LeftClick(Press, x, y);
9300 LeftClick(Release, x, y);
9301 first.highlight = f;
9305 * If the move is illegal, cancel it and redraw the board.
9306 * Also deal with other error cases. Matching is rather loose
9307 * here to accommodate engines written before the spec.
9309 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9310 strncmp(message, "Error", 5) == 0) {
9311 if (StrStr(message, "name") ||
9312 StrStr(message, "rating") || StrStr(message, "?") ||
9313 StrStr(message, "result") || StrStr(message, "board") ||
9314 StrStr(message, "bk") || StrStr(message, "computer") ||
9315 StrStr(message, "variant") || StrStr(message, "hint") ||
9316 StrStr(message, "random") || StrStr(message, "depth") ||
9317 StrStr(message, "accepted")) {
9320 if (StrStr(message, "protover")) {
9321 /* Program is responding to input, so it's apparently done
9322 initializing, and this error message indicates it is
9323 protocol version 1. So we don't need to wait any longer
9324 for it to initialize and send feature commands. */
9325 FeatureDone(cps, 1);
9326 cps->protocolVersion = 1;
9329 cps->maybeThinking = FALSE;
9331 if (StrStr(message, "draw")) {
9332 /* Program doesn't have "draw" command */
9333 cps->sendDrawOffers = 0;
9336 if (cps->sendTime != 1 &&
9337 (StrStr(message, "time") || StrStr(message, "otim"))) {
9338 /* Program apparently doesn't have "time" or "otim" command */
9342 if (StrStr(message, "analyze")) {
9343 cps->analysisSupport = FALSE;
9344 cps->analyzing = FALSE;
9345 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9346 EditGameEvent(); // [HGM] try to preserve loaded game
9347 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9348 DisplayError(buf2, 0);
9351 if (StrStr(message, "(no matching move)st")) {
9352 /* Special kludge for GNU Chess 4 only */
9353 cps->stKludge = TRUE;
9354 SendTimeControl(cps, movesPerSession, timeControl,
9355 timeIncrement, appData.searchDepth,
9359 if (StrStr(message, "(no matching move)sd")) {
9360 /* Special kludge for GNU Chess 4 only */
9361 cps->sdKludge = TRUE;
9362 SendTimeControl(cps, movesPerSession, timeControl,
9363 timeIncrement, appData.searchDepth,
9367 if (!StrStr(message, "llegal")) {
9370 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9371 gameMode == IcsIdle) return;
9372 if (forwardMostMove <= backwardMostMove) return;
9373 if (pausing) PauseEvent();
9374 if(appData.forceIllegal) {
9375 // [HGM] illegal: machine refused move; force position after move into it
9376 SendToProgram("force\n", cps);
9377 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9378 // we have a real problem now, as SendBoard will use the a2a3 kludge
9379 // when black is to move, while there might be nothing on a2 or black
9380 // might already have the move. So send the board as if white has the move.
9381 // But first we must change the stm of the engine, as it refused the last move
9382 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9383 if(WhiteOnMove(forwardMostMove)) {
9384 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9385 SendBoard(cps, forwardMostMove); // kludgeless board
9387 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9388 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9389 SendBoard(cps, forwardMostMove+1); // kludgeless board
9391 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9392 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9393 gameMode == TwoMachinesPlay)
9394 SendToProgram("go\n", cps);
9397 if (gameMode == PlayFromGameFile) {
9398 /* Stop reading this game file */
9399 gameMode = EditGame;
9402 /* [HGM] illegal-move claim should forfeit game when Xboard */
9403 /* only passes fully legal moves */
9404 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9405 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9406 "False illegal-move claim", GE_XBOARD );
9407 return; // do not take back move we tested as valid
9409 currentMove = forwardMostMove-1;
9410 DisplayMove(currentMove-1); /* before DisplayMoveError */
9411 SwitchClocks(forwardMostMove-1); // [HGM] race
9412 DisplayBothClocks();
9413 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9414 parseList[currentMove], _(cps->which));
9415 DisplayMoveError(buf1);
9416 DrawPosition(FALSE, boards[currentMove]);
9418 SetUserThinkingEnables();
9421 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9422 /* Program has a broken "time" command that
9423 outputs a string not ending in newline.
9427 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9428 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9429 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9433 * If chess program startup fails, exit with an error message.
9434 * Attempts to recover here are futile. [HGM] Well, we try anyway
9436 if ((StrStr(message, "unknown host") != NULL)
9437 || (StrStr(message, "No remote directory") != NULL)
9438 || (StrStr(message, "not found") != NULL)
9439 || (StrStr(message, "No such file") != NULL)
9440 || (StrStr(message, "can't alloc") != NULL)
9441 || (StrStr(message, "Permission denied") != NULL)) {
9443 cps->maybeThinking = FALSE;
9444 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9445 _(cps->which), cps->program, cps->host, message);
9446 RemoveInputSource(cps->isr);
9447 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9448 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9449 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9455 * Look for hint output
9457 if (sscanf(message, "Hint: %s", buf1) == 1) {
9458 if (cps == &first && hintRequested) {
9459 hintRequested = FALSE;
9460 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9461 &fromX, &fromY, &toX, &toY, &promoChar)) {
9462 (void) CoordsToAlgebraic(boards[forwardMostMove],
9463 PosFlags(forwardMostMove),
9464 fromY, fromX, toY, toX, promoChar, buf1);
9465 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9466 DisplayInformation(buf2);
9468 /* Hint move could not be parsed!? */
9469 snprintf(buf2, sizeof(buf2),
9470 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9471 buf1, _(cps->which));
9472 DisplayError(buf2, 0);
9475 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9481 * Ignore other messages if game is not in progress
9483 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9484 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9487 * look for win, lose, draw, or draw offer
9489 if (strncmp(message, "1-0", 3) == 0) {
9490 char *p, *q, *r = "";
9491 p = strchr(message, '{');
9499 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9501 } else if (strncmp(message, "0-1", 3) == 0) {
9502 char *p, *q, *r = "";
9503 p = strchr(message, '{');
9511 /* Kludge for Arasan 4.1 bug */
9512 if (strcmp(r, "Black resigns") == 0) {
9513 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9516 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9518 } else if (strncmp(message, "1/2", 3) == 0) {
9519 char *p, *q, *r = "";
9520 p = strchr(message, '{');
9529 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9532 } else if (strncmp(message, "White resign", 12) == 0) {
9533 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9535 } else if (strncmp(message, "Black resign", 12) == 0) {
9536 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9538 } else if (strncmp(message, "White matches", 13) == 0 ||
9539 strncmp(message, "Black matches", 13) == 0 ) {
9540 /* [HGM] ignore GNUShogi noises */
9542 } else if (strncmp(message, "White", 5) == 0 &&
9543 message[5] != '(' &&
9544 StrStr(message, "Black") == NULL) {
9545 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9547 } else if (strncmp(message, "Black", 5) == 0 &&
9548 message[5] != '(') {
9549 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9551 } else if (strcmp(message, "resign") == 0 ||
9552 strcmp(message, "computer resigns") == 0) {
9554 case MachinePlaysBlack:
9555 case IcsPlayingBlack:
9556 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9558 case MachinePlaysWhite:
9559 case IcsPlayingWhite:
9560 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9562 case TwoMachinesPlay:
9563 if (cps->twoMachinesColor[0] == 'w')
9564 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9566 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9573 } else if (strncmp(message, "opponent mates", 14) == 0) {
9575 case MachinePlaysBlack:
9576 case IcsPlayingBlack:
9577 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9579 case MachinePlaysWhite:
9580 case IcsPlayingWhite:
9581 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9583 case TwoMachinesPlay:
9584 if (cps->twoMachinesColor[0] == 'w')
9585 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9587 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9594 } else if (strncmp(message, "computer mates", 14) == 0) {
9596 case MachinePlaysBlack:
9597 case IcsPlayingBlack:
9598 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9600 case MachinePlaysWhite:
9601 case IcsPlayingWhite:
9602 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9604 case TwoMachinesPlay:
9605 if (cps->twoMachinesColor[0] == 'w')
9606 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9608 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9615 } else if (strncmp(message, "checkmate", 9) == 0) {
9616 if (WhiteOnMove(forwardMostMove)) {
9617 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9619 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9622 } else if (strstr(message, "Draw") != NULL ||
9623 strstr(message, "game is a draw") != NULL) {
9624 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9626 } else if (strstr(message, "offer") != NULL &&
9627 strstr(message, "draw") != NULL) {
9629 if (appData.zippyPlay && first.initDone) {
9630 /* Relay offer to ICS */
9631 SendToICS(ics_prefix);
9632 SendToICS("draw\n");
9635 cps->offeredDraw = 2; /* valid until this engine moves twice */
9636 if (gameMode == TwoMachinesPlay) {
9637 if (cps->other->offeredDraw) {
9638 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9639 /* [HGM] in two-machine mode we delay relaying draw offer */
9640 /* until after we also have move, to see if it is really claim */
9642 } else if (gameMode == MachinePlaysWhite ||
9643 gameMode == MachinePlaysBlack) {
9644 if (userOfferedDraw) {
9645 DisplayInformation(_("Machine accepts your draw offer"));
9646 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9648 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9655 * Look for thinking output
9657 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9658 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9660 int plylev, mvleft, mvtot, curscore, time;
9661 char mvname[MOVE_LEN];
9665 int prefixHint = FALSE;
9666 mvname[0] = NULLCHAR;
9669 case MachinePlaysBlack:
9670 case IcsPlayingBlack:
9671 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9673 case MachinePlaysWhite:
9674 case IcsPlayingWhite:
9675 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9680 case IcsObserving: /* [DM] icsEngineAnalyze */
9681 if (!appData.icsEngineAnalyze) ignore = TRUE;
9683 case TwoMachinesPlay:
9684 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9694 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9696 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9697 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9698 char score_buf[MSG_SIZ];
9700 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9701 nodes += u64Const(0x100000000);
9703 if (plyext != ' ' && plyext != '\t') {
9707 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9708 if( cps->scoreIsAbsolute &&
9709 ( gameMode == MachinePlaysBlack ||
9710 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9711 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9712 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9713 !WhiteOnMove(currentMove)
9716 curscore = -curscore;
9719 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9721 if(*bestMove) { // rememer time best EPD move was first found
9722 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9724 int ok = ParseOneMove(bestMove, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1);
9725 ok &= ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9726 solvingTime = (ok && ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2 ? time : -1);
9729 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9732 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9733 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9734 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9735 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9736 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9737 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9741 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9742 DisplayError(_("failed writing PV"), 0);
9745 tempStats.depth = plylev;
9746 tempStats.nodes = nodes;
9747 tempStats.time = time;
9748 tempStats.score = curscore;
9749 tempStats.got_only_move = 0;
9751 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9754 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9755 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9756 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9757 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9758 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9759 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9760 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9761 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9764 /* Buffer overflow protection */
9765 if (pv[0] != NULLCHAR) {
9766 if (strlen(pv) >= sizeof(tempStats.movelist)
9767 && appData.debugMode) {
9769 "PV is too long; using the first %u bytes.\n",
9770 (unsigned) sizeof(tempStats.movelist) - 1);
9773 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9775 sprintf(tempStats.movelist, " no PV\n");
9778 if (tempStats.seen_stat) {
9779 tempStats.ok_to_send = 1;
9782 if (strchr(tempStats.movelist, '(') != NULL) {
9783 tempStats.line_is_book = 1;
9784 tempStats.nr_moves = 0;
9785 tempStats.moves_left = 0;
9787 tempStats.line_is_book = 0;
9790 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9791 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9793 SendProgramStatsToFrontend( cps, &tempStats );
9796 [AS] Protect the thinkOutput buffer from overflow... this
9797 is only useful if buf1 hasn't overflowed first!
9799 if((gameMode == AnalyzeMode && appData.whitePOV || appData.scoreWhite) && !WhiteOnMove(forwardMostMove)) curscore *= -1;
9800 if(curscore >= MATE_SCORE)
9801 snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
9802 else if(curscore <= -MATE_SCORE)
9803 snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
9805 snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
9806 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
9808 (gameMode == TwoMachinesPlay ?
9809 ToUpper(cps->twoMachinesColor[0]) : ' '),
9811 prefixHint ? lastHint : "",
9812 prefixHint ? " " : "" );
9814 if( buf1[0] != NULLCHAR ) {
9815 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9817 if( strlen(pv) > max_len ) {
9818 if( appData.debugMode) {
9819 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9821 pv[max_len+1] = '\0';
9824 strcat( thinkOutput, pv);
9827 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9828 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9829 DisplayMove(currentMove - 1);
9833 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9834 /* crafty (9.25+) says "(only move) <move>"
9835 * if there is only 1 legal move
9837 sscanf(p, "(only move) %s", buf1);
9838 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9839 sprintf(programStats.movelist, "%s (only move)", buf1);
9840 programStats.depth = 1;
9841 programStats.nr_moves = 1;
9842 programStats.moves_left = 1;
9843 programStats.nodes = 1;
9844 programStats.time = 1;
9845 programStats.got_only_move = 1;
9847 /* Not really, but we also use this member to
9848 mean "line isn't going to change" (Crafty
9849 isn't searching, so stats won't change) */
9850 programStats.line_is_book = 1;
9852 SendProgramStatsToFrontend( cps, &programStats );
9854 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9855 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9856 DisplayMove(currentMove - 1);
9859 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9860 &time, &nodes, &plylev, &mvleft,
9861 &mvtot, mvname) >= 5) {
9862 /* The stat01: line is from Crafty (9.29+) in response
9863 to the "." command */
9864 programStats.seen_stat = 1;
9865 cps->maybeThinking = TRUE;
9867 if (programStats.got_only_move || !appData.periodicUpdates)
9870 programStats.depth = plylev;
9871 programStats.time = time;
9872 programStats.nodes = nodes;
9873 programStats.moves_left = mvleft;
9874 programStats.nr_moves = mvtot;
9875 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9876 programStats.ok_to_send = 1;
9877 programStats.movelist[0] = '\0';
9879 SendProgramStatsToFrontend( cps, &programStats );
9883 } else if (strncmp(message,"++",2) == 0) {
9884 /* Crafty 9.29+ outputs this */
9885 programStats.got_fail = 2;
9888 } else if (strncmp(message,"--",2) == 0) {
9889 /* Crafty 9.29+ outputs this */
9890 programStats.got_fail = 1;
9893 } else if (thinkOutput[0] != NULLCHAR &&
9894 strncmp(message, " ", 4) == 0) {
9895 unsigned message_len;
9898 while (*p && *p == ' ') p++;
9900 message_len = strlen( p );
9902 /* [AS] Avoid buffer overflow */
9903 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9904 strcat(thinkOutput, " ");
9905 strcat(thinkOutput, p);
9908 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9909 strcat(programStats.movelist, " ");
9910 strcat(programStats.movelist, p);
9913 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9914 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9915 DisplayMove(currentMove - 1);
9923 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9924 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9926 ChessProgramStats cpstats;
9928 if (plyext != ' ' && plyext != '\t') {
9932 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9933 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9934 curscore = -curscore;
9937 cpstats.depth = plylev;
9938 cpstats.nodes = nodes;
9939 cpstats.time = time;
9940 cpstats.score = curscore;
9941 cpstats.got_only_move = 0;
9942 cpstats.movelist[0] = '\0';
9944 if (buf1[0] != NULLCHAR) {
9945 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9948 cpstats.ok_to_send = 0;
9949 cpstats.line_is_book = 0;
9950 cpstats.nr_moves = 0;
9951 cpstats.moves_left = 0;
9953 SendProgramStatsToFrontend( cps, &cpstats );
9960 /* Parse a game score from the character string "game", and
9961 record it as the history of the current game. The game
9962 score is NOT assumed to start from the standard position.
9963 The display is not updated in any way.
9966 ParseGameHistory (char *game)
9969 int fromX, fromY, toX, toY, boardIndex;
9974 if (appData.debugMode)
9975 fprintf(debugFP, "Parsing game history: %s\n", game);
9977 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9978 gameInfo.site = StrSave(appData.icsHost);
9979 gameInfo.date = PGNDate();
9980 gameInfo.round = StrSave("-");
9982 /* Parse out names of players */
9983 while (*game == ' ') game++;
9985 while (*game != ' ') *p++ = *game++;
9987 gameInfo.white = StrSave(buf);
9988 while (*game == ' ') game++;
9990 while (*game != ' ' && *game != '\n') *p++ = *game++;
9992 gameInfo.black = StrSave(buf);
9995 boardIndex = blackPlaysFirst ? 1 : 0;
9998 yyboardindex = boardIndex;
9999 moveType = (ChessMove) Myylex();
10000 switch (moveType) {
10001 case IllegalMove: /* maybe suicide chess, etc. */
10002 if (appData.debugMode) {
10003 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
10004 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10005 setbuf(debugFP, NULL);
10007 case WhitePromotion:
10008 case BlackPromotion:
10009 case WhiteNonPromotion:
10010 case BlackNonPromotion:
10013 case WhiteCapturesEnPassant:
10014 case BlackCapturesEnPassant:
10015 case WhiteKingSideCastle:
10016 case WhiteQueenSideCastle:
10017 case BlackKingSideCastle:
10018 case BlackQueenSideCastle:
10019 case WhiteKingSideCastleWild:
10020 case WhiteQueenSideCastleWild:
10021 case BlackKingSideCastleWild:
10022 case BlackQueenSideCastleWild:
10024 case WhiteHSideCastleFR:
10025 case WhiteASideCastleFR:
10026 case BlackHSideCastleFR:
10027 case BlackASideCastleFR:
10029 fromX = currentMoveString[0] - AAA;
10030 fromY = currentMoveString[1] - ONE;
10031 toX = currentMoveString[2] - AAA;
10032 toY = currentMoveString[3] - ONE;
10033 promoChar = currentMoveString[4];
10037 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
10038 fromX = moveType == WhiteDrop ?
10039 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10040 (int) CharToPiece(ToLower(currentMoveString[0]));
10042 toX = currentMoveString[2] - AAA;
10043 toY = currentMoveString[3] - ONE;
10044 promoChar = NULLCHAR;
10046 case AmbiguousMove:
10048 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
10049 if (appData.debugMode) {
10050 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
10051 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10052 setbuf(debugFP, NULL);
10054 DisplayError(buf, 0);
10056 case ImpossibleMove:
10058 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
10059 if (appData.debugMode) {
10060 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
10061 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10062 setbuf(debugFP, NULL);
10064 DisplayError(buf, 0);
10067 if (boardIndex < backwardMostMove) {
10068 /* Oops, gap. How did that happen? */
10069 DisplayError(_("Gap in move list"), 0);
10072 backwardMostMove = blackPlaysFirst ? 1 : 0;
10073 if (boardIndex > forwardMostMove) {
10074 forwardMostMove = boardIndex;
10078 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
10079 strcat(parseList[boardIndex-1], " ");
10080 strcat(parseList[boardIndex-1], yy_text);
10092 case GameUnfinished:
10093 if (gameMode == IcsExamining) {
10094 if (boardIndex < backwardMostMove) {
10095 /* Oops, gap. How did that happen? */
10098 backwardMostMove = blackPlaysFirst ? 1 : 0;
10101 gameInfo.result = moveType;
10102 p = strchr(yy_text, '{');
10103 if (p == NULL) p = strchr(yy_text, '(');
10106 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10108 q = strchr(p, *p == '{' ? '}' : ')');
10109 if (q != NULL) *q = NULLCHAR;
10112 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10113 gameInfo.resultDetails = StrSave(p);
10116 if (boardIndex >= forwardMostMove &&
10117 !(gameMode == IcsObserving && ics_gamenum == -1)) {
10118 backwardMostMove = blackPlaysFirst ? 1 : 0;
10121 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
10122 fromY, fromX, toY, toX, promoChar,
10123 parseList[boardIndex]);
10124 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
10125 /* currentMoveString is set as a side-effect of yylex */
10126 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
10127 strcat(moveList[boardIndex], "\n");
10129 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
10130 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
10136 if(!IS_SHOGI(gameInfo.variant))
10137 strcat(parseList[boardIndex - 1], "+");
10141 strcat(parseList[boardIndex - 1], "#");
10148 /* Apply a move to the given board */
10150 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
10152 ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, berolina = 0;
10153 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
10155 /* [HGM] compute & store e.p. status and castling rights for new position */
10156 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
10158 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
10159 oldEP = (signed char)board[EP_FILE]; epRank = board[EP_RANK];
10160 board[EP_STATUS] = EP_NONE;
10161 board[EP_FILE] = board[EP_RANK] = 100;
10163 if (fromY == DROP_RANK) {
10164 /* must be first */
10165 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
10166 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
10169 piece = board[toY][toX] = (ChessSquare) fromX;
10171 // ChessSquare victim;
10174 if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
10175 // victim = board[killY][killX],
10176 killed = board[killY][killX],
10177 board[killY][killX] = EmptySquare,
10178 board[EP_STATUS] = EP_CAPTURE;
10179 if( kill2X >= 0 && kill2Y >= 0)
10180 killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
10183 if( board[toY][toX] != EmptySquare ) {
10184 board[EP_STATUS] = EP_CAPTURE;
10185 if( (fromX != toX || fromY != toY) && // not igui!
10186 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
10187 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
10188 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
10192 pawn = board[fromY][fromX];
10193 if( pawn == WhiteLance || pawn == BlackLance ) {
10194 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
10195 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
10196 else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
10199 if( pawn == WhitePawn ) {
10200 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10201 board[EP_STATUS] = EP_PAWN_MOVE;
10202 if( toY-fromY>=2) {
10203 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
10204 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
10205 gameInfo.variant != VariantBerolina || toX < fromX)
10206 board[EP_STATUS] = toX | berolina;
10207 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
10208 gameInfo.variant != VariantBerolina || toX > fromX)
10209 board[EP_STATUS] = toX;
10212 if( pawn == BlackPawn ) {
10213 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10214 board[EP_STATUS] = EP_PAWN_MOVE;
10215 if( toY-fromY<= -2) {
10216 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
10217 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10218 gameInfo.variant != VariantBerolina || toX < fromX)
10219 board[EP_STATUS] = toX | berolina;
10220 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10221 gameInfo.variant != VariantBerolina || toX > fromX)
10222 board[EP_STATUS] = toX;
10226 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10227 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10228 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10229 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10231 for(i=0; i<nrCastlingRights; i++) {
10232 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10233 board[CASTLING][i] == toX && castlingRank[i] == toY
10234 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10237 if(gameInfo.variant == VariantSChess) { // update virginity
10238 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10239 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10240 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10241 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10244 if (fromX == toX && fromY == toY && killX < 0) return;
10246 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10247 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10248 if(gameInfo.variant == VariantKnightmate)
10249 king += (int) WhiteUnicorn - (int) WhiteKing;
10251 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10252 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10253 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10254 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10255 board[EP_STATUS] = EP_NONE; // capture was fake!
10257 if(nrCastlingRights == 0 && board[toY][toX] < EmptySquare && (piece < BlackPawn) == (board[toY][toX] < BlackPawn)) {
10258 board[fromY][fromX] = board[toY][toX]; // capture own will lead to swapping
10259 board[toY][toX] = piece;
10260 board[EP_STATUS] = EP_NONE; // capture was fake!
10262 /* Code added by Tord: */
10263 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10264 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10265 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10266 board[EP_STATUS] = EP_NONE; // capture was fake!
10267 board[fromY][fromX] = EmptySquare;
10268 board[toY][toX] = EmptySquare;
10269 if((toX > fromX) != (piece == WhiteRook)) {
10270 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10272 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10274 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10275 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10276 board[EP_STATUS] = EP_NONE;
10277 board[fromY][fromX] = EmptySquare;
10278 board[toY][toX] = EmptySquare;
10279 if((toX > fromX) != (piece == BlackRook)) {
10280 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10282 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10284 /* End of code added by Tord */
10286 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10287 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10288 board[toY][toX] = piece;
10289 } else if (board[fromY][fromX] == king
10290 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10291 && toY == fromY && toX > fromX+1) {
10292 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++); // castle with nearest piece
10293 board[fromY][toX-1] = board[fromY][rookX];
10294 board[fromY][rookX] = EmptySquare;
10295 board[fromY][fromX] = EmptySquare;
10296 board[toY][toX] = king;
10297 } else if (board[fromY][fromX] == king
10298 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10299 && toY == fromY && toX < fromX-1) {
10300 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--); // castle with nearest piece
10301 board[fromY][toX+1] = board[fromY][rookX];
10302 board[fromY][rookX] = EmptySquare;
10303 board[fromY][fromX] = EmptySquare;
10304 board[toY][toX] = king;
10305 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10306 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10307 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10309 /* white pawn promotion */
10310 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10311 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10312 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10313 board[fromY][fromX] = EmptySquare;
10314 } else if ((fromY >= BOARD_HEIGHT>>1)
10315 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10317 && gameInfo.variant != VariantXiangqi
10318 && gameInfo.variant != VariantBerolina
10319 && (pawn == WhitePawn)
10320 && (board[toY][toX] == EmptySquare)) {
10321 board[fromY][fromX] = EmptySquare;
10322 board[toY][toX] = piece;
10323 if(toY == epRank - 128 + 1)
10324 captured = board[toY - 2][toX], board[toY - 2][toX] = EmptySquare;
10326 captured = board[toY - 1][toX], board[toY - 1][toX] = EmptySquare;
10327 } else if ((fromY == BOARD_HEIGHT-4)
10329 && gameInfo.variant == VariantBerolina
10330 && (board[fromY][fromX] == WhitePawn)
10331 && (board[toY][toX] == EmptySquare)) {
10332 board[fromY][fromX] = EmptySquare;
10333 board[toY][toX] = WhitePawn;
10334 if(oldEP & EP_BEROLIN_A) {
10335 captured = board[fromY][fromX-1];
10336 board[fromY][fromX-1] = EmptySquare;
10337 }else{ captured = board[fromY][fromX+1];
10338 board[fromY][fromX+1] = EmptySquare;
10340 } else if (board[fromY][fromX] == king
10341 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10342 && toY == fromY && toX > fromX+1) {
10343 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++);
10344 board[fromY][toX-1] = board[fromY][rookX];
10345 board[fromY][rookX] = EmptySquare;
10346 board[fromY][fromX] = EmptySquare;
10347 board[toY][toX] = king;
10348 } else if (board[fromY][fromX] == king
10349 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10350 && toY == fromY && toX < fromX-1) {
10351 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--);
10352 board[fromY][toX+1] = board[fromY][rookX];
10353 board[fromY][rookX] = EmptySquare;
10354 board[fromY][fromX] = EmptySquare;
10355 board[toY][toX] = king;
10356 } else if (fromY == 7 && fromX == 3
10357 && board[fromY][fromX] == BlackKing
10358 && toY == 7 && toX == 5) {
10359 board[fromY][fromX] = EmptySquare;
10360 board[toY][toX] = BlackKing;
10361 board[fromY][7] = EmptySquare;
10362 board[toY][4] = BlackRook;
10363 } else if (fromY == 7 && fromX == 3
10364 && board[fromY][fromX] == BlackKing
10365 && toY == 7 && toX == 1) {
10366 board[fromY][fromX] = EmptySquare;
10367 board[toY][toX] = BlackKing;
10368 board[fromY][0] = EmptySquare;
10369 board[toY][2] = BlackRook;
10370 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10371 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10372 && toY < promoRank && promoChar
10374 /* black pawn promotion */
10375 board[toY][toX] = CharToPiece(ToLower(promoChar));
10376 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10377 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10378 board[fromY][fromX] = EmptySquare;
10379 } else if ((fromY < BOARD_HEIGHT>>1)
10380 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10382 && gameInfo.variant != VariantXiangqi
10383 && gameInfo.variant != VariantBerolina
10384 && (pawn == BlackPawn)
10385 && (board[toY][toX] == EmptySquare)) {
10386 board[fromY][fromX] = EmptySquare;
10387 board[toY][toX] = piece;
10388 if(toY == epRank - 128 - 1)
10389 captured = board[toY + 2][toX], board[toY + 2][toX] = EmptySquare;
10391 captured = board[toY + 1][toX], board[toY + 1][toX] = EmptySquare;
10392 } else if ((fromY == 3)
10394 && gameInfo.variant == VariantBerolina
10395 && (board[fromY][fromX] == BlackPawn)
10396 && (board[toY][toX] == EmptySquare)) {
10397 board[fromY][fromX] = EmptySquare;
10398 board[toY][toX] = BlackPawn;
10399 if(oldEP & EP_BEROLIN_A) {
10400 captured = board[fromY][fromX-1];
10401 board[fromY][fromX-1] = EmptySquare;
10402 }else{ captured = board[fromY][fromX+1];
10403 board[fromY][fromX+1] = EmptySquare;
10406 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10407 board[fromY][fromX] = EmptySquare;
10408 board[toY][toX] = piece;
10412 if (gameInfo.holdingsWidth != 0) {
10414 /* !!A lot more code needs to be written to support holdings */
10415 /* [HGM] OK, so I have written it. Holdings are stored in the */
10416 /* penultimate board files, so they are automaticlly stored */
10417 /* in the game history. */
10418 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10419 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10420 /* Delete from holdings, by decreasing count */
10421 /* and erasing image if necessary */
10422 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10423 if(p < (int) BlackPawn) { /* white drop */
10424 p -= (int)WhitePawn;
10425 p = PieceToNumber((ChessSquare)p);
10426 if(p >= gameInfo.holdingsSize) p = 0;
10427 if(--board[p][BOARD_WIDTH-2] <= 0)
10428 board[p][BOARD_WIDTH-1] = EmptySquare;
10429 if((int)board[p][BOARD_WIDTH-2] < 0)
10430 board[p][BOARD_WIDTH-2] = 0;
10431 } else { /* black drop */
10432 p -= (int)BlackPawn;
10433 p = PieceToNumber((ChessSquare)p);
10434 if(p >= gameInfo.holdingsSize) p = 0;
10435 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10436 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10437 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10438 board[BOARD_HEIGHT-1-p][1] = 0;
10441 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10442 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10443 /* [HGM] holdings: Add to holdings, if holdings exist */
10444 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10445 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10446 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10448 p = (int) captured;
10449 if (p >= (int) BlackPawn) {
10450 p -= (int)BlackPawn;
10451 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10452 /* Restore shogi-promoted piece to its original first */
10453 captured = (ChessSquare) (DEMOTED(captured));
10456 p = PieceToNumber((ChessSquare)p);
10457 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10458 board[p][BOARD_WIDTH-2]++;
10459 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10461 p -= (int)WhitePawn;
10462 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10463 captured = (ChessSquare) (DEMOTED(captured));
10466 p = PieceToNumber((ChessSquare)p);
10467 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10468 board[BOARD_HEIGHT-1-p][1]++;
10469 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10472 } else if (gameInfo.variant == VariantAtomic) {
10473 if (captured != EmptySquare) {
10475 for (y = toY-1; y <= toY+1; y++) {
10476 for (x = toX-1; x <= toX+1; x++) {
10477 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10478 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10479 board[y][x] = EmptySquare;
10483 board[toY][toX] = EmptySquare;
10487 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10488 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10490 if(promoChar == '+') {
10491 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10492 board[toY][toX] = (ChessSquare) (CHUPROMOTED(piece));
10493 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10494 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10495 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10496 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10497 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10498 && pieceToChar[PROMOTED(newPiece)] == '~') newPiece = PROMOTED(newPiece);// but promoted version available
10499 board[toY][toX] = newPiece;
10501 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10502 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10503 // [HGM] superchess: take promotion piece out of holdings
10504 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10505 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10506 if(!--board[k][BOARD_WIDTH-2])
10507 board[k][BOARD_WIDTH-1] = EmptySquare;
10509 if(!--board[BOARD_HEIGHT-1-k][1])
10510 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10515 /* Updates forwardMostMove */
10517 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10519 int x = toX, y = toY;
10520 char *s = parseList[forwardMostMove];
10521 ChessSquare p = boards[forwardMostMove][toY][toX];
10522 // forwardMostMove++; // [HGM] bare: moved downstream
10524 if(kill2X >= 0) x = kill2X, y = kill2Y; else
10525 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10526 (void) CoordsToAlgebraic(boards[forwardMostMove],
10527 PosFlags(forwardMostMove),
10528 fromY, fromX, y, x, (killX < 0)*promoChar,
10530 if(kill2X >= 0 && kill2Y >= 0)
10531 sprintf(s + strlen(s), "x%c%d", killX + AAA, killY + ONE - '0'); // 2nd leg of 3-leg move is always capture
10532 if(killX >= 0 && killY >= 0)
10533 sprintf(s + strlen(s), "%c%c%d%c", p == EmptySquare || toX == fromX && toY == fromY || toX== kill2X && toY == kill2Y ? '-' : 'x',
10534 toX + AAA, toY + ONE - '0', promoChar);
10536 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10537 int timeLeft; static int lastLoadFlag=0; int king, piece;
10538 piece = boards[forwardMostMove][fromY][fromX];
10539 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10540 if(gameInfo.variant == VariantKnightmate)
10541 king += (int) WhiteUnicorn - (int) WhiteKing;
10542 if(forwardMostMove == 0) {
10543 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10544 fprintf(serverMoves, "%s;", UserName());
10545 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10546 fprintf(serverMoves, "%s;", second.tidy);
10547 fprintf(serverMoves, "%s;", first.tidy);
10548 if(gameMode == MachinePlaysWhite)
10549 fprintf(serverMoves, "%s;", UserName());
10550 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10551 fprintf(serverMoves, "%s;", second.tidy);
10552 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10553 lastLoadFlag = loadFlag;
10555 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10556 // print castling suffix
10557 if( toY == fromY && piece == king ) {
10559 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10561 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10564 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10565 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10566 boards[forwardMostMove][toY][toX] == EmptySquare
10567 && fromX != toX && fromY != toY)
10568 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10569 // promotion suffix
10570 if(promoChar != NULLCHAR) {
10571 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10572 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10573 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10574 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10577 char buf[MOVE_LEN*2], *p; int len;
10578 fprintf(serverMoves, "/%d/%d",
10579 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10580 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10581 else timeLeft = blackTimeRemaining/1000;
10582 fprintf(serverMoves, "/%d", timeLeft);
10583 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10584 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10585 if(p = strchr(buf, '=')) *p = NULLCHAR;
10586 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10587 fprintf(serverMoves, "/%s", buf);
10589 fflush(serverMoves);
10592 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10593 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10596 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10597 if (commentList[forwardMostMove+1] != NULL) {
10598 free(commentList[forwardMostMove+1]);
10599 commentList[forwardMostMove+1] = NULL;
10601 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10602 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10603 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10604 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10605 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10606 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10607 adjustedClock = FALSE;
10608 gameInfo.result = GameUnfinished;
10609 if (gameInfo.resultDetails != NULL) {
10610 free(gameInfo.resultDetails);
10611 gameInfo.resultDetails = NULL;
10613 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10614 moveList[forwardMostMove - 1]);
10615 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10621 if(!IS_SHOGI(gameInfo.variant))
10622 strcat(parseList[forwardMostMove - 1], "+");
10626 strcat(parseList[forwardMostMove - 1], "#");
10631 /* Updates currentMove if not pausing */
10633 ShowMove (int fromX, int fromY, int toX, int toY)
10635 int instant = (gameMode == PlayFromGameFile) ?
10636 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10637 if(appData.noGUI) return;
10638 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10640 if (forwardMostMove == currentMove + 1) {
10641 AnimateMove(boards[forwardMostMove - 1],
10642 fromX, fromY, toX, toY);
10645 currentMove = forwardMostMove;
10648 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
10650 if (instant) return;
10652 DisplayMove(currentMove - 1);
10653 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10654 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10655 SetHighlights(fromX, fromY, toX, toY);
10658 DrawPosition(FALSE, boards[currentMove]);
10659 DisplayBothClocks();
10660 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10664 SendEgtPath (ChessProgramState *cps)
10665 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10666 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10668 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10671 char c, *q = name+1, *r, *s;
10673 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10674 while(*p && *p != ',') *q++ = *p++;
10675 *q++ = ':'; *q = 0;
10676 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10677 strcmp(name, ",nalimov:") == 0 ) {
10678 // take nalimov path from the menu-changeable option first, if it is defined
10679 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10680 SendToProgram(buf,cps); // send egtbpath command for nalimov
10682 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10683 (s = StrStr(appData.egtFormats, name)) != NULL) {
10684 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10685 s = r = StrStr(s, ":") + 1; // beginning of path info
10686 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10687 c = *r; *r = 0; // temporarily null-terminate path info
10688 *--q = 0; // strip of trailig ':' from name
10689 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10691 SendToProgram(buf,cps); // send egtbpath command for this format
10693 if(*p == ',') p++; // read away comma to position for next format name
10698 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10700 int width = 8, height = 8, holdings = 0; // most common sizes
10701 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10702 // correct the deviations default for each variant
10703 if( v == VariantXiangqi ) width = 9, height = 10;
10704 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10705 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10706 if( v == VariantCapablanca || v == VariantCapaRandom ||
10707 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10709 if( v == VariantCourier ) width = 12;
10710 if( v == VariantSuper ) holdings = 8;
10711 if( v == VariantGreat ) width = 10, holdings = 8;
10712 if( v == VariantSChess ) holdings = 7;
10713 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10714 if( v == VariantChuChess) width = 10, height = 10;
10715 if( v == VariantChu ) width = 12, height = 12;
10716 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10717 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10718 holdingsSize >= 0 && holdingsSize != holdings;
10721 char variantError[MSG_SIZ];
10724 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10725 { // returns error message (recognizable by upper-case) if engine does not support the variant
10726 char *p, *variant = VariantName(v);
10727 static char b[MSG_SIZ];
10728 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10729 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10730 holdingsSize, variant); // cook up sized variant name
10731 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10732 if(StrStr(list, b) == NULL) {
10733 // specific sized variant not known, check if general sizing allowed
10734 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10735 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10736 boardWidth, boardHeight, holdingsSize, engine);
10739 /* [HGM] here we really should compare with the maximum supported board size */
10741 } else snprintf(b, MSG_SIZ,"%s", variant);
10742 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10743 p = StrStr(list, b);
10744 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10746 // occurs not at all in list, or only as sub-string
10747 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10748 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10749 int l = strlen(variantError);
10751 while(p != list && p[-1] != ',') p--;
10752 q = strchr(p, ',');
10753 if(q) *q = NULLCHAR;
10754 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10763 InitChessProgram (ChessProgramState *cps, int setup)
10764 /* setup needed to setup FRC opening position */
10766 char buf[MSG_SIZ], *b;
10767 if (appData.noChessProgram) return;
10768 hintRequested = FALSE;
10769 bookRequested = FALSE;
10771 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10772 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10773 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10774 if(cps->memSize) { /* [HGM] memory */
10775 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10776 SendToProgram(buf, cps);
10778 SendEgtPath(cps); /* [HGM] EGT */
10779 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10780 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10781 SendToProgram(buf, cps);
10784 setboardSpoiledMachineBlack = FALSE;
10785 SendToProgram(cps->initString, cps);
10786 if (gameInfo.variant != VariantNormal &&
10787 gameInfo.variant != VariantLoadable
10788 /* [HGM] also send variant if board size non-standard */
10789 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10791 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10792 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10796 char c, *q = cps->variants, *p = strchr(q, ',');
10797 if(p) *p = NULLCHAR;
10798 v = StringToVariant(q);
10799 DisplayError(variantError, 0);
10800 if(v != VariantUnknown && cps == &first) {
10802 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10803 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10804 ASSIGN(appData.variant, q);
10805 Reset(TRUE, FALSE);
10811 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10812 SendToProgram(buf, cps);
10814 currentlyInitializedVariant = gameInfo.variant;
10816 /* [HGM] send opening position in FRC to first engine */
10818 SendToProgram("force\n", cps);
10820 /* engine is now in force mode! Set flag to wake it up after first move. */
10821 setboardSpoiledMachineBlack = 1;
10824 if (cps->sendICS) {
10825 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10826 SendToProgram(buf, cps);
10828 cps->maybeThinking = FALSE;
10829 cps->offeredDraw = 0;
10830 if (!appData.icsActive) {
10831 SendTimeControl(cps, movesPerSession, timeControl,
10832 timeIncrement, appData.searchDepth,
10835 if (appData.showThinking
10836 // [HGM] thinking: four options require thinking output to be sent
10837 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10839 SendToProgram("post\n", cps);
10841 SendToProgram("hard\n", cps);
10842 if (!appData.ponderNextMove) {
10843 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10844 it without being sure what state we are in first. "hard"
10845 is not a toggle, so that one is OK.
10847 SendToProgram("easy\n", cps);
10849 if (cps->usePing) {
10850 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10851 SendToProgram(buf, cps);
10853 cps->initDone = TRUE;
10854 ClearEngineOutputPane(cps == &second);
10859 ResendOptions (ChessProgramState *cps)
10860 { // send the stored value of the options
10863 Option *opt = cps->option;
10864 for(i=0; i<cps->nrOptions; i++, opt++) {
10865 switch(opt->type) {
10869 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10872 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10875 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10881 SendToProgram(buf, cps);
10886 StartChessProgram (ChessProgramState *cps)
10891 if (appData.noChessProgram) return;
10892 cps->initDone = FALSE;
10894 if (strcmp(cps->host, "localhost") == 0) {
10895 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10896 } else if (*appData.remoteShell == NULLCHAR) {
10897 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10899 if (*appData.remoteUser == NULLCHAR) {
10900 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10903 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10904 cps->host, appData.remoteUser, cps->program);
10906 err = StartChildProcess(buf, "", &cps->pr);
10910 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10911 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10912 if(cps != &first) return;
10913 appData.noChessProgram = TRUE;
10916 // DisplayFatalError(buf, err, 1);
10917 // cps->pr = NoProc;
10918 // cps->isr = NULL;
10922 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10923 if (cps->protocolVersion > 1) {
10924 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10925 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10926 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10927 cps->comboCnt = 0; // and values of combo boxes
10929 SendToProgram(buf, cps);
10930 if(cps->reload) ResendOptions(cps);
10932 SendToProgram("xboard\n", cps);
10937 TwoMachinesEventIfReady P((void))
10939 static int curMess = 0;
10940 if (first.lastPing != first.lastPong) {
10941 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10942 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10945 if (second.lastPing != second.lastPong) {
10946 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10947 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10950 DisplayMessage("", ""); curMess = 0;
10951 TwoMachinesEvent();
10955 MakeName (char *template)
10959 static char buf[MSG_SIZ];
10963 clock = time((time_t *)NULL);
10964 tm = localtime(&clock);
10966 while(*p++ = *template++) if(p[-1] == '%') {
10967 switch(*template++) {
10968 case 0: *p = 0; return buf;
10969 case 'Y': i = tm->tm_year+1900; break;
10970 case 'y': i = tm->tm_year-100; break;
10971 case 'M': i = tm->tm_mon+1; break;
10972 case 'd': i = tm->tm_mday; break;
10973 case 'h': i = tm->tm_hour; break;
10974 case 'm': i = tm->tm_min; break;
10975 case 's': i = tm->tm_sec; break;
10978 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10984 CountPlayers (char *p)
10987 while(p = strchr(p, '\n')) p++, n++; // count participants
10992 WriteTourneyFile (char *results, FILE *f)
10993 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10994 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10995 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10996 // create a file with tournament description
10997 fprintf(f, "-participants {%s}\n", appData.participants);
10998 fprintf(f, "-seedBase %d\n", appData.seedBase);
10999 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
11000 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
11001 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
11002 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
11003 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
11004 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
11005 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
11006 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
11007 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
11008 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
11009 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
11010 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
11011 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
11012 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
11013 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
11014 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
11015 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
11016 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
11017 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
11018 fprintf(f, "-smpCores %d\n", appData.smpCores);
11020 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
11022 fprintf(f, "-mps %d\n", appData.movesPerSession);
11023 fprintf(f, "-tc %s\n", appData.timeControl);
11024 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
11026 fprintf(f, "-results \"%s\"\n", results);
11031 char *command[MAXENGINES], *mnemonic[MAXENGINES];
11034 Substitute (char *participants, int expunge)
11036 int i, changed, changes=0, nPlayers=0;
11037 char *p, *q, *r, buf[MSG_SIZ];
11038 if(participants == NULL) return;
11039 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
11040 r = p = participants; q = appData.participants;
11041 while(*p && *p == *q) {
11042 if(*p == '\n') r = p+1, nPlayers++;
11045 if(*p) { // difference
11046 while(*p && *p++ != '\n');
11047 while(*q && *q++ != '\n');
11048 changed = nPlayers;
11049 changes = 1 + (strcmp(p, q) != 0);
11051 if(changes == 1) { // a single engine mnemonic was changed
11052 q = r; while(*q) nPlayers += (*q++ == '\n');
11053 p = buf; while(*r && (*p = *r++) != '\n') p++;
11055 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11056 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
11057 if(mnemonic[i]) { // The substitute is valid
11059 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
11060 flock(fileno(f), LOCK_EX);
11061 ParseArgsFromFile(f);
11062 fseek(f, 0, SEEK_SET);
11063 FREE(appData.participants); appData.participants = participants;
11064 if(expunge) { // erase results of replaced engine
11065 int len = strlen(appData.results), w, b, dummy;
11066 for(i=0; i<len; i++) {
11067 Pairing(i, nPlayers, &w, &b, &dummy);
11068 if((w == changed || b == changed) && appData.results[i] == '*') {
11069 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
11074 for(i=0; i<len; i++) {
11075 Pairing(i, nPlayers, &w, &b, &dummy);
11076 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
11079 WriteTourneyFile(appData.results, f);
11080 fclose(f); // release lock
11083 } else DisplayError(_("No engine with the name you gave is installed"), 0);
11085 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
11086 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
11087 free(participants);
11092 CheckPlayers (char *participants)
11095 char buf[MSG_SIZ], *p;
11096 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11097 while(p = strchr(participants, '\n')) {
11099 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
11101 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
11103 DisplayError(buf, 0);
11107 participants = p + 1;
11113 CreateTourney (char *name)
11116 if(matchMode && strcmp(name, appData.tourneyFile)) {
11117 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
11119 if(name[0] == NULLCHAR) {
11120 if(appData.participants[0])
11121 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
11124 f = fopen(name, "r");
11125 if(f) { // file exists
11126 ASSIGN(appData.tourneyFile, name);
11127 ParseArgsFromFile(f); // parse it
11129 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11130 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11131 DisplayError(_("Not enough participants"), 0);
11134 if(CheckPlayers(appData.participants)) return 0;
11135 ASSIGN(appData.tourneyFile, name);
11136 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11137 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11140 appData.noChessProgram = FALSE;
11141 appData.clockMode = TRUE;
11147 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11149 char buf[MSG_SIZ], *p, *q;
11150 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11151 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11152 skip = !all && group[0]; // if group requested, we start in skip mode
11153 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11154 p = names; q = buf; header = 0;
11155 while(*p && *p != '\n') *q++ = *p++;
11157 if(*p == '\n') p++;
11158 if(buf[0] == '#') {
11159 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11160 depth++; // we must be entering a new group
11161 if(all) continue; // suppress printing group headers when complete list requested
11163 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11165 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11166 if(engineList[i]) free(engineList[i]);
11167 engineList[i] = strdup(buf);
11168 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11169 if(engineMnemonic[i]) free(engineMnemonic[i]);
11170 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11172 sscanf(q + 8, "%s", buf + strlen(buf));
11175 engineMnemonic[i] = strdup(buf);
11178 engineList[i] = engineMnemonic[i] = NULL;
11182 // following implemented as macro to avoid type limitations
11183 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11186 SwapEngines (int n)
11187 { // swap settings for first engine and other engine (so far only some selected options)
11192 SWAP(chessProgram, p)
11194 SWAP(hasOwnBookUCI, h)
11195 SWAP(protocolVersion, h)
11197 SWAP(scoreIsAbsolute, h)
11202 SWAP(engOptions, p)
11203 SWAP(engInitString, p)
11204 SWAP(computerString, p)
11206 SWAP(fenOverride, p)
11208 SWAP(accumulateTC, h)
11215 GetEngineLine (char *s, int n)
11219 extern char *icsNames;
11220 if(!s || !*s) return 0;
11221 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11222 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11223 if(!mnemonic[i]) return 0;
11224 if(n == 11) return 1; // just testing if there was a match
11225 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11226 if(n == 1) SwapEngines(n);
11227 ParseArgsFromString(buf);
11228 if(n == 1) SwapEngines(n);
11229 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11230 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11231 ParseArgsFromString(buf);
11237 SetPlayer (int player, char *p)
11238 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11240 char buf[MSG_SIZ], *engineName;
11241 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11242 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11243 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11245 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11246 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11247 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11248 ParseArgsFromString(buf);
11249 } else { // no engine with this nickname is installed!
11250 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11251 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11252 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11254 DisplayError(buf, 0);
11261 char *recentEngines;
11264 RecentEngineEvent (int nr)
11267 // SwapEngines(1); // bump first to second
11268 // ReplaceEngine(&second, 1); // and load it there
11269 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11270 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11271 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11272 ReplaceEngine(&first, 0);
11273 FloatToFront(&appData.recentEngineList, command[n]);
11278 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11279 { // determine players from game number
11280 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11282 if(appData.tourneyType == 0) {
11283 roundsPerCycle = (nPlayers - 1) | 1;
11284 pairingsPerRound = nPlayers / 2;
11285 } else if(appData.tourneyType > 0) {
11286 roundsPerCycle = nPlayers - appData.tourneyType;
11287 pairingsPerRound = appData.tourneyType;
11289 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11290 gamesPerCycle = gamesPerRound * roundsPerCycle;
11291 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11292 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11293 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11294 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11295 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11296 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11298 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11299 if(appData.roundSync) *syncInterval = gamesPerRound;
11301 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11303 if(appData.tourneyType == 0) {
11304 if(curPairing == (nPlayers-1)/2 ) {
11305 *whitePlayer = curRound;
11306 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11308 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11309 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11310 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11311 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11313 } else if(appData.tourneyType > 1) {
11314 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11315 *whitePlayer = curRound + appData.tourneyType;
11316 } else if(appData.tourneyType > 0) {
11317 *whitePlayer = curPairing;
11318 *blackPlayer = curRound + appData.tourneyType;
11321 // take care of white/black alternation per round.
11322 // For cycles and games this is already taken care of by default, derived from matchGame!
11323 return curRound & 1;
11327 NextTourneyGame (int nr, int *swapColors)
11328 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11330 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11332 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11333 tf = fopen(appData.tourneyFile, "r");
11334 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11335 ParseArgsFromFile(tf); fclose(tf);
11336 InitTimeControls(); // TC might be altered from tourney file
11338 nPlayers = CountPlayers(appData.participants); // count participants
11339 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11340 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11343 p = q = appData.results;
11344 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11345 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11346 DisplayMessage(_("Waiting for other game(s)"),"");
11347 waitingForGame = TRUE;
11348 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11351 waitingForGame = FALSE;
11354 if(appData.tourneyType < 0) {
11355 if(nr>=0 && !pairingReceived) {
11357 if(pairing.pr == NoProc) {
11358 if(!appData.pairingEngine[0]) {
11359 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11362 StartChessProgram(&pairing); // starts the pairing engine
11364 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11365 SendToProgram(buf, &pairing);
11366 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11367 SendToProgram(buf, &pairing);
11368 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11370 pairingReceived = 0; // ... so we continue here
11372 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11373 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11374 matchGame = 1; roundNr = nr / syncInterval + 1;
11377 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11379 // redefine engines, engine dir, etc.
11380 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11381 if(first.pr == NoProc) {
11382 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11383 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11385 if(second.pr == NoProc) {
11387 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11388 SwapEngines(1); // and make that valid for second engine by swapping
11389 InitEngine(&second, 1);
11391 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11392 UpdateLogos(FALSE); // leave display to ModeHiglight()
11398 { // performs game initialization that does not invoke engines, and then tries to start the game
11399 int res, firstWhite, swapColors = 0;
11400 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11401 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
11403 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11404 if(strcmp(buf, currentDebugFile)) { // name has changed
11405 FILE *f = fopen(buf, "w");
11406 if(f) { // if opening the new file failed, just keep using the old one
11407 ASSIGN(currentDebugFile, buf);
11411 if(appData.serverFileName) {
11412 if(serverFP) fclose(serverFP);
11413 serverFP = fopen(appData.serverFileName, "w");
11414 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11415 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11419 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11420 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11421 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11422 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11423 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11424 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11425 Reset(FALSE, first.pr != NoProc);
11426 res = LoadGameOrPosition(matchGame); // setup game
11427 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11428 if(!res) return; // abort when bad game/pos file
11429 TwoMachinesEvent();
11433 UserAdjudicationEvent (int result)
11435 ChessMove gameResult = GameIsDrawn;
11438 gameResult = WhiteWins;
11440 else if( result < 0 ) {
11441 gameResult = BlackWins;
11444 if( gameMode == TwoMachinesPlay ) {
11445 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11450 // [HGM] save: calculate checksum of game to make games easily identifiable
11452 StringCheckSum (char *s)
11455 if(s==NULL) return 0;
11456 while(*s) i = i*259 + *s++;
11464 for(i=backwardMostMove; i<forwardMostMove; i++) {
11465 sum += pvInfoList[i].depth;
11466 sum += StringCheckSum(parseList[i]);
11467 sum += StringCheckSum(commentList[i]);
11470 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11471 return sum + StringCheckSum(commentList[i]);
11472 } // end of save patch
11475 GameEnds (ChessMove result, char *resultDetails, int whosays)
11477 GameMode nextGameMode;
11479 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11481 if(endingGame) return; /* [HGM] crash: forbid recursion */
11483 if(twoBoards) { // [HGM] dual: switch back to one board
11484 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11485 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11487 if (appData.debugMode) {
11488 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11489 result, resultDetails ? resultDetails : "(null)", whosays);
11492 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11494 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11496 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11497 /* If we are playing on ICS, the server decides when the
11498 game is over, but the engine can offer to draw, claim
11502 if (appData.zippyPlay && first.initDone) {
11503 if (result == GameIsDrawn) {
11504 /* In case draw still needs to be claimed */
11505 SendToICS(ics_prefix);
11506 SendToICS("draw\n");
11507 } else if (StrCaseStr(resultDetails, "resign")) {
11508 SendToICS(ics_prefix);
11509 SendToICS("resign\n");
11513 endingGame = 0; /* [HGM] crash */
11517 /* If we're loading the game from a file, stop */
11518 if (whosays == GE_FILE) {
11519 (void) StopLoadGameTimer();
11523 /* Cancel draw offers */
11524 first.offeredDraw = second.offeredDraw = 0;
11526 /* If this is an ICS game, only ICS can really say it's done;
11527 if not, anyone can. */
11528 isIcsGame = (gameMode == IcsPlayingWhite ||
11529 gameMode == IcsPlayingBlack ||
11530 gameMode == IcsObserving ||
11531 gameMode == IcsExamining);
11533 if (!isIcsGame || whosays == GE_ICS) {
11534 /* OK -- not an ICS game, or ICS said it was done */
11536 if (!isIcsGame && !appData.noChessProgram)
11537 SetUserThinkingEnables();
11539 /* [HGM] if a machine claims the game end we verify this claim */
11540 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11541 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11543 ChessMove trueResult = (ChessMove) -1;
11545 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11546 first.twoMachinesColor[0] :
11547 second.twoMachinesColor[0] ;
11549 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11550 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11551 /* [HGM] verify: engine mate claims accepted if they were flagged */
11552 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11554 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11555 /* [HGM] verify: engine mate claims accepted if they were flagged */
11556 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11558 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11559 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11562 // now verify win claims, but not in drop games, as we don't understand those yet
11563 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11564 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11565 (result == WhiteWins && claimer == 'w' ||
11566 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11567 if (appData.debugMode) {
11568 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11569 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11571 if(result != trueResult) {
11572 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11573 result = claimer == 'w' ? BlackWins : WhiteWins;
11574 resultDetails = buf;
11577 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11578 && (forwardMostMove <= backwardMostMove ||
11579 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11580 (claimer=='b')==(forwardMostMove&1))
11582 /* [HGM] verify: draws that were not flagged are false claims */
11583 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11584 result = claimer == 'w' ? BlackWins : WhiteWins;
11585 resultDetails = buf;
11587 /* (Claiming a loss is accepted no questions asked!) */
11588 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11589 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11590 result = GameUnfinished;
11591 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11593 /* [HGM] bare: don't allow bare King to win */
11594 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11595 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11596 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11597 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11598 && result != GameIsDrawn)
11599 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11600 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11601 int p = (signed char)boards[forwardMostMove][i][j] - color;
11602 if(p >= 0 && p <= (int)WhiteKing) k++;
11603 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11605 if (appData.debugMode) {
11606 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11607 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11609 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11610 result = GameIsDrawn;
11611 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11612 resultDetails = buf;
11618 if(serverMoves != NULL && !loadFlag) { char c = '=';
11619 if(result==WhiteWins) c = '+';
11620 if(result==BlackWins) c = '-';
11621 if(resultDetails != NULL)
11622 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11624 if (resultDetails != NULL) {
11625 gameInfo.result = result;
11626 gameInfo.resultDetails = StrSave(resultDetails);
11628 /* display last move only if game was not loaded from file */
11629 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11630 DisplayMove(currentMove - 1);
11632 if (forwardMostMove != 0) {
11633 if (gameMode != PlayFromGameFile && gameMode != EditGame
11634 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11636 if (*appData.saveGameFile != NULLCHAR) {
11637 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11638 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11640 SaveGameToFile(appData.saveGameFile, TRUE);
11641 } else if (appData.autoSaveGames) {
11642 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11644 if (*appData.savePositionFile != NULLCHAR) {
11645 SavePositionToFile(appData.savePositionFile);
11647 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11651 /* Tell program how game ended in case it is learning */
11652 /* [HGM] Moved this to after saving the PGN, just in case */
11653 /* engine died and we got here through time loss. In that */
11654 /* case we will get a fatal error writing the pipe, which */
11655 /* would otherwise lose us the PGN. */
11656 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11657 /* output during GameEnds should never be fatal anymore */
11658 if (gameMode == MachinePlaysWhite ||
11659 gameMode == MachinePlaysBlack ||
11660 gameMode == TwoMachinesPlay ||
11661 gameMode == IcsPlayingWhite ||
11662 gameMode == IcsPlayingBlack ||
11663 gameMode == BeginningOfGame) {
11665 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11667 if (first.pr != NoProc) {
11668 SendToProgram(buf, &first);
11670 if (second.pr != NoProc &&
11671 gameMode == TwoMachinesPlay) {
11672 SendToProgram(buf, &second);
11677 if (appData.icsActive) {
11678 if (appData.quietPlay &&
11679 (gameMode == IcsPlayingWhite ||
11680 gameMode == IcsPlayingBlack)) {
11681 SendToICS(ics_prefix);
11682 SendToICS("set shout 1\n");
11684 nextGameMode = IcsIdle;
11685 ics_user_moved = FALSE;
11686 /* clean up premove. It's ugly when the game has ended and the
11687 * premove highlights are still on the board.
11690 gotPremove = FALSE;
11691 ClearPremoveHighlights();
11692 DrawPosition(FALSE, boards[currentMove]);
11694 if (whosays == GE_ICS) {
11697 if (gameMode == IcsPlayingWhite)
11699 else if(gameMode == IcsPlayingBlack)
11700 PlayIcsLossSound();
11703 if (gameMode == IcsPlayingBlack)
11705 else if(gameMode == IcsPlayingWhite)
11706 PlayIcsLossSound();
11709 PlayIcsDrawSound();
11712 PlayIcsUnfinishedSound();
11715 if(appData.quitNext) { ExitEvent(0); return; }
11716 } else if (gameMode == EditGame ||
11717 gameMode == PlayFromGameFile ||
11718 gameMode == AnalyzeMode ||
11719 gameMode == AnalyzeFile) {
11720 nextGameMode = gameMode;
11722 nextGameMode = EndOfGame;
11727 nextGameMode = gameMode;
11730 if (appData.noChessProgram) {
11731 gameMode = nextGameMode;
11733 endingGame = 0; /* [HGM] crash */
11738 /* Put first chess program into idle state */
11739 if (first.pr != NoProc &&
11740 (gameMode == MachinePlaysWhite ||
11741 gameMode == MachinePlaysBlack ||
11742 gameMode == TwoMachinesPlay ||
11743 gameMode == IcsPlayingWhite ||
11744 gameMode == IcsPlayingBlack ||
11745 gameMode == BeginningOfGame)) {
11746 SendToProgram("force\n", &first);
11747 if (first.usePing) {
11749 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11750 SendToProgram(buf, &first);
11753 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11754 /* Kill off first chess program */
11755 if (first.isr != NULL)
11756 RemoveInputSource(first.isr);
11759 if (first.pr != NoProc) {
11761 DoSleep( appData.delayBeforeQuit );
11762 SendToProgram("quit\n", &first);
11763 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11764 first.reload = TRUE;
11768 if (second.reuse) {
11769 /* Put second chess program into idle state */
11770 if (second.pr != NoProc &&
11771 gameMode == TwoMachinesPlay) {
11772 SendToProgram("force\n", &second);
11773 if (second.usePing) {
11775 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11776 SendToProgram(buf, &second);
11779 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11780 /* Kill off second chess program */
11781 if (second.isr != NULL)
11782 RemoveInputSource(second.isr);
11785 if (second.pr != NoProc) {
11786 DoSleep( appData.delayBeforeQuit );
11787 SendToProgram("quit\n", &second);
11788 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11789 second.reload = TRUE;
11791 second.pr = NoProc;
11794 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11795 char resChar = '=';
11799 if (first.twoMachinesColor[0] == 'w') {
11802 second.matchWins++;
11807 if (first.twoMachinesColor[0] == 'b') {
11810 second.matchWins++;
11813 case GameUnfinished:
11819 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11820 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11821 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11822 ReserveGame(nextGame, resChar); // sets nextGame
11823 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11824 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11825 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11827 if (nextGame <= appData.matchGames && !abortMatch) {
11828 gameMode = nextGameMode;
11829 matchGame = nextGame; // this will be overruled in tourney mode!
11830 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11831 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11832 endingGame = 0; /* [HGM] crash */
11835 gameMode = nextGameMode;
11836 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11837 first.tidy, second.tidy,
11838 first.matchWins, second.matchWins,
11839 appData.matchGames - (first.matchWins + second.matchWins));
11840 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11841 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11842 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11843 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11844 first.twoMachinesColor = "black\n";
11845 second.twoMachinesColor = "white\n";
11847 first.twoMachinesColor = "white\n";
11848 second.twoMachinesColor = "black\n";
11852 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11853 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11855 gameMode = nextGameMode;
11857 endingGame = 0; /* [HGM] crash */
11858 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11859 if(matchMode == TRUE) { // match through command line: exit with or without popup
11861 ToNrEvent(forwardMostMove);
11862 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11864 } else DisplayFatalError(buf, 0, 0);
11865 } else { // match through menu; just stop, with or without popup
11866 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11869 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11870 } else DisplayNote(buf);
11872 if(ranking) free(ranking);
11876 /* Assumes program was just initialized (initString sent).
11877 Leaves program in force mode. */
11879 FeedMovesToProgram (ChessProgramState *cps, int upto)
11883 if (appData.debugMode)
11884 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11885 startedFromSetupPosition ? "position and " : "",
11886 backwardMostMove, upto, cps->which);
11887 if(currentlyInitializedVariant != gameInfo.variant) {
11889 // [HGM] variantswitch: make engine aware of new variant
11890 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11891 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11892 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11893 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11894 SendToProgram(buf, cps);
11895 currentlyInitializedVariant = gameInfo.variant;
11897 SendToProgram("force\n", cps);
11898 if (startedFromSetupPosition) {
11899 SendBoard(cps, backwardMostMove);
11900 if (appData.debugMode) {
11901 fprintf(debugFP, "feedMoves\n");
11904 for (i = backwardMostMove; i < upto; i++) {
11905 SendMoveToProgram(i, cps);
11911 ResurrectChessProgram ()
11913 /* The chess program may have exited.
11914 If so, restart it and feed it all the moves made so far. */
11915 static int doInit = 0;
11917 if (appData.noChessProgram) return 1;
11919 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11920 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11921 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11922 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11924 if (first.pr != NoProc) return 1;
11925 StartChessProgram(&first);
11927 InitChessProgram(&first, FALSE);
11928 FeedMovesToProgram(&first, currentMove);
11930 if (!first.sendTime) {
11931 /* can't tell gnuchess what its clock should read,
11932 so we bow to its notion. */
11934 timeRemaining[0][currentMove] = whiteTimeRemaining;
11935 timeRemaining[1][currentMove] = blackTimeRemaining;
11938 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11939 appData.icsEngineAnalyze) && first.analysisSupport) {
11940 SendToProgram("analyze\n", &first);
11941 first.analyzing = TRUE;
11947 * Button procedures
11950 Reset (int redraw, int init)
11954 if (appData.debugMode) {
11955 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11956 redraw, init, gameMode);
11958 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
11959 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
11960 CleanupTail(); // [HGM] vari: delete any stored variations
11961 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11962 pausing = pauseExamInvalid = FALSE;
11963 startedFromSetupPosition = blackPlaysFirst = FALSE;
11965 whiteFlag = blackFlag = FALSE;
11966 userOfferedDraw = FALSE;
11967 hintRequested = bookRequested = FALSE;
11968 first.maybeThinking = FALSE;
11969 second.maybeThinking = FALSE;
11970 first.bookSuspend = FALSE; // [HGM] book
11971 second.bookSuspend = FALSE;
11972 thinkOutput[0] = NULLCHAR;
11973 lastHint[0] = NULLCHAR;
11974 ClearGameInfo(&gameInfo);
11975 gameInfo.variant = StringToVariant(appData.variant);
11976 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) {
11977 gameInfo.variant = VariantUnknown;
11978 strncpy(engineVariant, appData.variant, MSG_SIZ);
11980 ics_user_moved = ics_clock_paused = FALSE;
11981 ics_getting_history = H_FALSE;
11983 white_holding[0] = black_holding[0] = NULLCHAR;
11984 ClearProgramStats();
11985 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11989 flipView = appData.flipView;
11990 ClearPremoveHighlights();
11991 gotPremove = FALSE;
11992 alarmSounded = FALSE;
11993 killX = killY = kill2X = kill2Y = -1; // [HGM] lion
11995 GameEnds(EndOfFile, NULL, GE_PLAYER);
11996 if(appData.serverMovesName != NULL) {
11997 /* [HGM] prepare to make moves file for broadcasting */
11998 clock_t t = clock();
11999 if(serverMoves != NULL) fclose(serverMoves);
12000 serverMoves = fopen(appData.serverMovesName, "r");
12001 if(serverMoves != NULL) {
12002 fclose(serverMoves);
12003 /* delay 15 sec before overwriting, so all clients can see end */
12004 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
12006 serverMoves = fopen(appData.serverMovesName, "w");
12010 gameMode = BeginningOfGame;
12012 if(appData.icsActive) gameInfo.variant = VariantNormal;
12013 currentMove = forwardMostMove = backwardMostMove = 0;
12014 MarkTargetSquares(1);
12015 InitPosition(redraw);
12016 for (i = 0; i < MAX_MOVES; i++) {
12017 if (commentList[i] != NULL) {
12018 free(commentList[i]);
12019 commentList[i] = NULL;
12023 timeRemaining[0][0] = whiteTimeRemaining;
12024 timeRemaining[1][0] = blackTimeRemaining;
12026 if (first.pr == NoProc) {
12027 StartChessProgram(&first);
12030 InitChessProgram(&first, startedFromSetupPosition);
12033 DisplayMessage("", "");
12034 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12035 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
12036 ClearMap(); // [HGM] exclude: invalidate map
12040 AutoPlayGameLoop ()
12043 if (!AutoPlayOneMove())
12045 if (matchMode || appData.timeDelay == 0)
12047 if (appData.timeDelay < 0)
12049 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
12057 ReloadGame(1); // next game
12063 int fromX, fromY, toX, toY;
12065 if (appData.debugMode) {
12066 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
12069 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
12072 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
12073 pvInfoList[currentMove].depth = programStats.depth;
12074 pvInfoList[currentMove].score = programStats.score;
12075 pvInfoList[currentMove].time = 0;
12076 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
12077 else { // append analysis of final position as comment
12079 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
12080 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
12082 programStats.depth = 0;
12085 if (currentMove >= forwardMostMove) {
12086 if(gameMode == AnalyzeFile) {
12087 if(appData.loadGameIndex == -1) {
12088 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
12089 ScheduleDelayedEvent(AnalyzeNextGame, 10);
12091 ExitAnalyzeMode(); SendToProgram("force\n", &first);
12094 // gameMode = EndOfGame;
12095 // ModeHighlight();
12097 /* [AS] Clear current move marker at the end of a game */
12098 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
12103 toX = moveList[currentMove][2] - AAA;
12104 toY = moveList[currentMove][3] - ONE;
12106 if (moveList[currentMove][1] == '@') {
12107 if (appData.highlightLastMove) {
12108 SetHighlights(-1, -1, toX, toY);
12111 fromX = moveList[currentMove][0] - AAA;
12112 fromY = moveList[currentMove][1] - ONE;
12114 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
12116 if(moveList[currentMove][4] == ';') { // multi-leg
12117 killX = moveList[currentMove][5] - AAA;
12118 killY = moveList[currentMove][6] - ONE;
12120 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12121 killX = killY = -1;
12123 if (appData.highlightLastMove) {
12124 SetHighlights(fromX, fromY, toX, toY);
12127 DisplayMove(currentMove);
12128 SendMoveToProgram(currentMove++, &first);
12129 DisplayBothClocks();
12130 DrawPosition(FALSE, boards[currentMove]);
12131 // [HGM] PV info: always display, routine tests if empty
12132 DisplayComment(currentMove - 1, commentList[currentMove]);
12138 LoadGameOneMove (ChessMove readAhead)
12140 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12141 char promoChar = NULLCHAR;
12142 ChessMove moveType;
12143 char move[MSG_SIZ];
12146 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12147 gameMode != AnalyzeMode && gameMode != Training) {
12152 yyboardindex = forwardMostMove;
12153 if (readAhead != EndOfFile) {
12154 moveType = readAhead;
12156 if (gameFileFP == NULL)
12158 moveType = (ChessMove) Myylex();
12162 switch (moveType) {
12164 if (appData.debugMode)
12165 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12168 /* append the comment but don't display it */
12169 AppendComment(currentMove, p, FALSE);
12172 case WhiteCapturesEnPassant:
12173 case BlackCapturesEnPassant:
12174 case WhitePromotion:
12175 case BlackPromotion:
12176 case WhiteNonPromotion:
12177 case BlackNonPromotion:
12180 case WhiteKingSideCastle:
12181 case WhiteQueenSideCastle:
12182 case BlackKingSideCastle:
12183 case BlackQueenSideCastle:
12184 case WhiteKingSideCastleWild:
12185 case WhiteQueenSideCastleWild:
12186 case BlackKingSideCastleWild:
12187 case BlackQueenSideCastleWild:
12189 case WhiteHSideCastleFR:
12190 case WhiteASideCastleFR:
12191 case BlackHSideCastleFR:
12192 case BlackASideCastleFR:
12194 if (appData.debugMode)
12195 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12196 fromX = currentMoveString[0] - AAA;
12197 fromY = currentMoveString[1] - ONE;
12198 toX = currentMoveString[2] - AAA;
12199 toY = currentMoveString[3] - ONE;
12200 promoChar = currentMoveString[4];
12201 if(promoChar == ';') promoChar = currentMoveString[7];
12206 if (appData.debugMode)
12207 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12208 fromX = moveType == WhiteDrop ?
12209 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12210 (int) CharToPiece(ToLower(currentMoveString[0]));
12212 toX = currentMoveString[2] - AAA;
12213 toY = currentMoveString[3] - ONE;
12219 case GameUnfinished:
12220 if (appData.debugMode)
12221 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12222 p = strchr(yy_text, '{');
12223 if (p == NULL) p = strchr(yy_text, '(');
12226 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12228 q = strchr(p, *p == '{' ? '}' : ')');
12229 if (q != NULL) *q = NULLCHAR;
12232 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12233 GameEnds(moveType, p, GE_FILE);
12235 if (cmailMsgLoaded) {
12237 flipView = WhiteOnMove(currentMove);
12238 if (moveType == GameUnfinished) flipView = !flipView;
12239 if (appData.debugMode)
12240 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12245 if (appData.debugMode)
12246 fprintf(debugFP, "Parser hit end of file\n");
12247 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12253 if (WhiteOnMove(currentMove)) {
12254 GameEnds(BlackWins, "Black mates", GE_FILE);
12256 GameEnds(WhiteWins, "White mates", GE_FILE);
12260 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12266 case MoveNumberOne:
12267 if (lastLoadGameStart == GNUChessGame) {
12268 /* GNUChessGames have numbers, but they aren't move numbers */
12269 if (appData.debugMode)
12270 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12271 yy_text, (int) moveType);
12272 return LoadGameOneMove(EndOfFile); /* tail recursion */
12274 /* else fall thru */
12279 /* Reached start of next game in file */
12280 if (appData.debugMode)
12281 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12282 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12288 if (WhiteOnMove(currentMove)) {
12289 GameEnds(BlackWins, "Black mates", GE_FILE);
12291 GameEnds(WhiteWins, "White mates", GE_FILE);
12295 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12301 case PositionDiagram: /* should not happen; ignore */
12302 case ElapsedTime: /* ignore */
12303 case NAG: /* ignore */
12304 if (appData.debugMode)
12305 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12306 yy_text, (int) moveType);
12307 return LoadGameOneMove(EndOfFile); /* tail recursion */
12310 if (appData.testLegality) {
12311 if (appData.debugMode)
12312 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12313 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12314 (forwardMostMove / 2) + 1,
12315 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12316 DisplayError(move, 0);
12319 if (appData.debugMode)
12320 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12321 yy_text, currentMoveString);
12322 if(currentMoveString[1] == '@') {
12323 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12326 fromX = currentMoveString[0] - AAA;
12327 fromY = currentMoveString[1] - ONE;
12329 toX = currentMoveString[2] - AAA;
12330 toY = currentMoveString[3] - ONE;
12331 promoChar = currentMoveString[4];
12335 case AmbiguousMove:
12336 if (appData.debugMode)
12337 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12338 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12339 (forwardMostMove / 2) + 1,
12340 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12341 DisplayError(move, 0);
12346 case ImpossibleMove:
12347 if (appData.debugMode)
12348 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12349 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12350 (forwardMostMove / 2) + 1,
12351 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12352 DisplayError(move, 0);
12358 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12359 DrawPosition(FALSE, boards[currentMove]);
12360 DisplayBothClocks();
12361 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12362 DisplayComment(currentMove - 1, commentList[currentMove]);
12364 (void) StopLoadGameTimer();
12366 cmailOldMove = forwardMostMove;
12369 /* currentMoveString is set as a side-effect of yylex */
12371 thinkOutput[0] = NULLCHAR;
12372 MakeMove(fromX, fromY, toX, toY, promoChar);
12373 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
12374 currentMove = forwardMostMove;
12379 /* Load the nth game from the given file */
12381 LoadGameFromFile (char *filename, int n, char *title, int useList)
12386 if (strcmp(filename, "-") == 0) {
12390 f = fopen(filename, "rb");
12392 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12393 DisplayError(buf, errno);
12397 if (fseek(f, 0, 0) == -1) {
12398 /* f is not seekable; probably a pipe */
12401 if (useList && n == 0) {
12402 int error = GameListBuild(f);
12404 DisplayError(_("Cannot build game list"), error);
12405 } else if (!ListEmpty(&gameList) &&
12406 ((ListGame *) gameList.tailPred)->number > 1) {
12407 GameListPopUp(f, title);
12414 return LoadGame(f, n, title, FALSE);
12419 MakeRegisteredMove ()
12421 int fromX, fromY, toX, toY;
12423 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12424 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12427 if (appData.debugMode)
12428 fprintf(debugFP, "Restoring %s for game %d\n",
12429 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12431 thinkOutput[0] = NULLCHAR;
12432 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12433 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12434 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12435 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12436 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12437 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12438 MakeMove(fromX, fromY, toX, toY, promoChar);
12439 ShowMove(fromX, fromY, toX, toY);
12441 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12448 if (WhiteOnMove(currentMove)) {
12449 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12451 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12456 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12463 if (WhiteOnMove(currentMove)) {
12464 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12466 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12471 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12482 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12484 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12488 if (gameNumber > nCmailGames) {
12489 DisplayError(_("No more games in this message"), 0);
12492 if (f == lastLoadGameFP) {
12493 int offset = gameNumber - lastLoadGameNumber;
12495 cmailMsg[0] = NULLCHAR;
12496 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12497 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12498 nCmailMovesRegistered--;
12500 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12501 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12502 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12505 if (! RegisterMove()) return FALSE;
12509 retVal = LoadGame(f, gameNumber, title, useList);
12511 /* Make move registered during previous look at this game, if any */
12512 MakeRegisteredMove();
12514 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12515 commentList[currentMove]
12516 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12517 DisplayComment(currentMove - 1, commentList[currentMove]);
12523 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12525 ReloadGame (int offset)
12527 int gameNumber = lastLoadGameNumber + offset;
12528 if (lastLoadGameFP == NULL) {
12529 DisplayError(_("No game has been loaded yet"), 0);
12532 if (gameNumber <= 0) {
12533 DisplayError(_("Can't back up any further"), 0);
12536 if (cmailMsgLoaded) {
12537 return CmailLoadGame(lastLoadGameFP, gameNumber,
12538 lastLoadGameTitle, lastLoadGameUseList);
12540 return LoadGame(lastLoadGameFP, gameNumber,
12541 lastLoadGameTitle, lastLoadGameUseList);
12545 int keys[EmptySquare+1];
12548 PositionMatches (Board b1, Board b2)
12551 switch(appData.searchMode) {
12552 case 1: return CompareWithRights(b1, b2);
12554 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12555 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12559 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12560 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12561 sum += keys[b1[r][f]] - keys[b2[r][f]];
12565 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12566 sum += keys[b1[r][f]] - keys[b2[r][f]];
12578 int pieceList[256], quickBoard[256];
12579 ChessSquare pieceType[256] = { EmptySquare };
12580 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12581 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12582 int soughtTotal, turn;
12583 Boolean epOK, flipSearch;
12586 unsigned char piece, to;
12589 #define DSIZE (250000)
12591 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12592 Move *moveDatabase = initialSpace;
12593 unsigned int movePtr, dataSize = DSIZE;
12596 MakePieceList (Board board, int *counts)
12598 int r, f, n=Q_PROMO, total=0;
12599 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12600 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12601 int sq = f + (r<<4);
12602 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12603 quickBoard[sq] = ++n;
12605 pieceType[n] = board[r][f];
12606 counts[board[r][f]]++;
12607 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12608 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12612 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12617 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12619 int sq = fromX + (fromY<<4);
12620 int piece = quickBoard[sq], rook;
12621 quickBoard[sq] = 0;
12622 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12623 if(piece == pieceList[1] && fromY == toY) {
12624 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12625 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12626 moveDatabase[movePtr++].piece = Q_WCASTL;
12627 quickBoard[sq] = piece;
12628 piece = quickBoard[from]; quickBoard[from] = 0;
12629 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12630 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12631 quickBoard[sq] = 0; // remove Rook
12632 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12633 moveDatabase[movePtr++].piece = Q_WCASTL;
12634 quickBoard[sq] = pieceList[1]; // put King
12636 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12639 if(piece == pieceList[2] && fromY == toY) {
12640 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12641 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12642 moveDatabase[movePtr++].piece = Q_BCASTL;
12643 quickBoard[sq] = piece;
12644 piece = quickBoard[from]; quickBoard[from] = 0;
12645 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12646 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12647 quickBoard[sq] = 0; // remove Rook
12648 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12649 moveDatabase[movePtr++].piece = Q_BCASTL;
12650 quickBoard[sq] = pieceList[2]; // put King
12652 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12655 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12656 quickBoard[(fromY<<4)+toX] = 0;
12657 moveDatabase[movePtr].piece = Q_EP;
12658 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12659 moveDatabase[movePtr].to = sq;
12661 if(promoPiece != pieceType[piece]) {
12662 moveDatabase[movePtr++].piece = Q_PROMO;
12663 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12665 moveDatabase[movePtr].piece = piece;
12666 quickBoard[sq] = piece;
12671 PackGame (Board board)
12673 Move *newSpace = NULL;
12674 moveDatabase[movePtr].piece = 0; // terminate previous game
12675 if(movePtr > dataSize) {
12676 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12677 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12678 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12681 Move *p = moveDatabase, *q = newSpace;
12682 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12683 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12684 moveDatabase = newSpace;
12685 } else { // calloc failed, we must be out of memory. Too bad...
12686 dataSize = 0; // prevent calloc events for all subsequent games
12687 return 0; // and signal this one isn't cached
12691 MakePieceList(board, counts);
12696 QuickCompare (Board board, int *minCounts, int *maxCounts)
12697 { // compare according to search mode
12699 switch(appData.searchMode)
12701 case 1: // exact position match
12702 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12703 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12704 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12707 case 2: // can have extra material on empty squares
12708 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12709 if(board[r][f] == EmptySquare) continue;
12710 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12713 case 3: // material with exact Pawn structure
12714 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12715 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12716 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12717 } // fall through to material comparison
12718 case 4: // exact material
12719 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12721 case 6: // material range with given imbalance
12722 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12723 // fall through to range comparison
12724 case 5: // material range
12725 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12731 QuickScan (Board board, Move *move)
12732 { // reconstruct game,and compare all positions in it
12733 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12735 int piece = move->piece;
12736 int to = move->to, from = pieceList[piece];
12737 if(found < 0) { // if already found just scan to game end for final piece count
12738 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12739 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12740 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12741 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12743 static int lastCounts[EmptySquare+1];
12745 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12746 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12747 } else stretch = 0;
12748 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12749 if(found >= 0 && !appData.minPieces) return found;
12751 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12752 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12753 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12754 piece = (++move)->piece;
12755 from = pieceList[piece];
12756 counts[pieceType[piece]]--;
12757 pieceType[piece] = (ChessSquare) move->to;
12758 counts[move->to]++;
12759 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12760 counts[pieceType[quickBoard[to]]]--;
12761 quickBoard[to] = 0; total--;
12764 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12765 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12766 from = pieceList[piece]; // so this must be King
12767 quickBoard[from] = 0;
12768 pieceList[piece] = to;
12769 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12770 quickBoard[from] = 0; // rook
12771 quickBoard[to] = piece;
12772 to = move->to; piece = move->piece;
12776 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12777 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12778 quickBoard[from] = 0;
12780 quickBoard[to] = piece;
12781 pieceList[piece] = to;
12791 flipSearch = FALSE;
12792 CopyBoard(soughtBoard, boards[currentMove]);
12793 soughtTotal = MakePieceList(soughtBoard, maxSought);
12794 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12795 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12796 CopyBoard(reverseBoard, boards[currentMove]);
12797 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12798 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12799 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12800 reverseBoard[r][f] = piece;
12802 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12803 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12804 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12805 || (boards[currentMove][CASTLING][2] == NoRights ||
12806 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12807 && (boards[currentMove][CASTLING][5] == NoRights ||
12808 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12811 CopyBoard(flipBoard, soughtBoard);
12812 CopyBoard(rotateBoard, reverseBoard);
12813 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12814 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12815 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12818 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12819 if(appData.searchMode >= 5) {
12820 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12821 MakePieceList(soughtBoard, minSought);
12822 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12824 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12825 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12828 GameInfo dummyInfo;
12829 static int creatingBook;
12832 GameContainsPosition (FILE *f, ListGame *lg)
12834 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12835 int fromX, fromY, toX, toY;
12837 static int initDone=FALSE;
12839 // weed out games based on numerical tag comparison
12840 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12841 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12842 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12843 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12845 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12848 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12849 else CopyBoard(boards[scratch], initialPosition); // default start position
12852 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12853 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12856 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12857 fseek(f, lg->offset, 0);
12860 yyboardindex = scratch;
12861 quickFlag = plyNr+1;
12866 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12872 if(plyNr) return -1; // after we have seen moves, this is for new game
12875 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12876 case ImpossibleMove:
12877 case WhiteWins: // game ends here with these four
12880 case GameUnfinished:
12884 if(appData.testLegality) return -1;
12885 case WhiteCapturesEnPassant:
12886 case BlackCapturesEnPassant:
12887 case WhitePromotion:
12888 case BlackPromotion:
12889 case WhiteNonPromotion:
12890 case BlackNonPromotion:
12893 case WhiteKingSideCastle:
12894 case WhiteQueenSideCastle:
12895 case BlackKingSideCastle:
12896 case BlackQueenSideCastle:
12897 case WhiteKingSideCastleWild:
12898 case WhiteQueenSideCastleWild:
12899 case BlackKingSideCastleWild:
12900 case BlackQueenSideCastleWild:
12901 case WhiteHSideCastleFR:
12902 case WhiteASideCastleFR:
12903 case BlackHSideCastleFR:
12904 case BlackASideCastleFR:
12905 fromX = currentMoveString[0] - AAA;
12906 fromY = currentMoveString[1] - ONE;
12907 toX = currentMoveString[2] - AAA;
12908 toY = currentMoveString[3] - ONE;
12909 promoChar = currentMoveString[4];
12913 fromX = next == WhiteDrop ?
12914 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12915 (int) CharToPiece(ToLower(currentMoveString[0]));
12917 toX = currentMoveString[2] - AAA;
12918 toY = currentMoveString[3] - ONE;
12922 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12924 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12925 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12926 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12927 if(appData.findMirror) {
12928 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12929 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12934 /* Load the nth game from open file f */
12936 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12940 int gn = gameNumber;
12941 ListGame *lg = NULL;
12942 int numPGNTags = 0, i;
12944 GameMode oldGameMode;
12945 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12946 char oldName[MSG_SIZ];
12948 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
12950 if (appData.debugMode)
12951 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12953 if (gameMode == Training )
12954 SetTrainingModeOff();
12956 oldGameMode = gameMode;
12957 if (gameMode != BeginningOfGame) {
12958 Reset(FALSE, TRUE);
12960 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: in case we did not Reset
12963 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12964 fclose(lastLoadGameFP);
12968 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12971 fseek(f, lg->offset, 0);
12972 GameListHighlight(gameNumber);
12973 pos = lg->position;
12977 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12978 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12980 DisplayError(_("Game number out of range"), 0);
12985 if (fseek(f, 0, 0) == -1) {
12986 if (f == lastLoadGameFP ?
12987 gameNumber == lastLoadGameNumber + 1 :
12991 DisplayError(_("Can't seek on game file"), 0);
12996 lastLoadGameFP = f;
12997 lastLoadGameNumber = gameNumber;
12998 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12999 lastLoadGameUseList = useList;
13003 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
13004 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
13005 lg->gameInfo.black);
13007 } else if (*title != NULLCHAR) {
13008 if (gameNumber > 1) {
13009 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
13012 DisplayTitle(title);
13016 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
13017 gameMode = PlayFromGameFile;
13021 currentMove = forwardMostMove = backwardMostMove = 0;
13022 CopyBoard(boards[0], initialPosition);
13026 * Skip the first gn-1 games in the file.
13027 * Also skip over anything that precedes an identifiable
13028 * start of game marker, to avoid being confused by
13029 * garbage at the start of the file. Currently
13030 * recognized start of game markers are the move number "1",
13031 * the pattern "gnuchess .* game", the pattern
13032 * "^[#;%] [^ ]* game file", and a PGN tag block.
13033 * A game that starts with one of the latter two patterns
13034 * will also have a move number 1, possibly
13035 * following a position diagram.
13036 * 5-4-02: Let's try being more lenient and allowing a game to
13037 * start with an unnumbered move. Does that break anything?
13039 cm = lastLoadGameStart = EndOfFile;
13041 yyboardindex = forwardMostMove;
13042 cm = (ChessMove) Myylex();
13045 if (cmailMsgLoaded) {
13046 nCmailGames = CMAIL_MAX_GAMES - gn;
13049 DisplayError(_("Game not found in file"), 0);
13056 lastLoadGameStart = cm;
13059 case MoveNumberOne:
13060 switch (lastLoadGameStart) {
13065 case MoveNumberOne:
13067 gn--; /* count this game */
13068 lastLoadGameStart = cm;
13077 switch (lastLoadGameStart) {
13080 case MoveNumberOne:
13082 gn--; /* count this game */
13083 lastLoadGameStart = cm;
13086 lastLoadGameStart = cm; /* game counted already */
13094 yyboardindex = forwardMostMove;
13095 cm = (ChessMove) Myylex();
13096 } while (cm == PGNTag || cm == Comment);
13103 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
13104 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
13105 != CMAIL_OLD_RESULT) {
13107 cmailResult[ CMAIL_MAX_GAMES
13108 - gn - 1] = CMAIL_OLD_RESULT;
13115 /* Only a NormalMove can be at the start of a game
13116 * without a position diagram. */
13117 if (lastLoadGameStart == EndOfFile ) {
13119 lastLoadGameStart = MoveNumberOne;
13128 if (appData.debugMode)
13129 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13131 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; } // reset VariantMen
13133 if (cm == XBoardGame) {
13134 /* Skip any header junk before position diagram and/or move 1 */
13136 yyboardindex = forwardMostMove;
13137 cm = (ChessMove) Myylex();
13139 if (cm == EndOfFile ||
13140 cm == GNUChessGame || cm == XBoardGame) {
13141 /* Empty game; pretend end-of-file and handle later */
13146 if (cm == MoveNumberOne || cm == PositionDiagram ||
13147 cm == PGNTag || cm == Comment)
13150 } else if (cm == GNUChessGame) {
13151 if (gameInfo.event != NULL) {
13152 free(gameInfo.event);
13154 gameInfo.event = StrSave(yy_text);
13157 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13158 while (cm == PGNTag) {
13159 if (appData.debugMode)
13160 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13161 err = ParsePGNTag(yy_text, &gameInfo);
13162 if (!err) numPGNTags++;
13164 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13165 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13166 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13167 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13168 InitPosition(TRUE);
13169 oldVariant = gameInfo.variant;
13170 if (appData.debugMode)
13171 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13175 if (gameInfo.fen != NULL) {
13176 Board initial_position;
13177 startedFromSetupPosition = TRUE;
13178 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13180 DisplayError(_("Bad FEN position in file"), 0);
13183 CopyBoard(boards[0], initial_position);
13184 if(*engineVariant || gameInfo.variant == VariantFairy) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13185 CopyBoard(initialPosition, initial_position);
13186 if (blackPlaysFirst) {
13187 currentMove = forwardMostMove = backwardMostMove = 1;
13188 CopyBoard(boards[1], initial_position);
13189 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13190 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13191 timeRemaining[0][1] = whiteTimeRemaining;
13192 timeRemaining[1][1] = blackTimeRemaining;
13193 if (commentList[0] != NULL) {
13194 commentList[1] = commentList[0];
13195 commentList[0] = NULL;
13198 currentMove = forwardMostMove = backwardMostMove = 0;
13200 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13202 initialRulePlies = FENrulePlies;
13203 for( i=0; i< nrCastlingRights; i++ )
13204 initialRights[i] = initial_position[CASTLING][i];
13206 yyboardindex = forwardMostMove;
13207 free(gameInfo.fen);
13208 gameInfo.fen = NULL;
13211 yyboardindex = forwardMostMove;
13212 cm = (ChessMove) Myylex();
13214 /* Handle comments interspersed among the tags */
13215 while (cm == Comment) {
13217 if (appData.debugMode)
13218 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13220 AppendComment(currentMove, p, FALSE);
13221 yyboardindex = forwardMostMove;
13222 cm = (ChessMove) Myylex();
13226 /* don't rely on existence of Event tag since if game was
13227 * pasted from clipboard the Event tag may not exist
13229 if (numPGNTags > 0){
13231 if (gameInfo.variant == VariantNormal) {
13232 VariantClass v = StringToVariant(gameInfo.event);
13233 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13234 if(v < VariantShogi) gameInfo.variant = v;
13237 if( appData.autoDisplayTags ) {
13238 tags = PGNTags(&gameInfo);
13239 TagsPopUp(tags, CmailMsg());
13244 /* Make something up, but don't display it now */
13249 if (cm == PositionDiagram) {
13252 Board initial_position;
13254 if (appData.debugMode)
13255 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13257 if (!startedFromSetupPosition) {
13259 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13260 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13271 initial_position[i][j++] = CharToPiece(*p);
13274 while (*p == ' ' || *p == '\t' ||
13275 *p == '\n' || *p == '\r') p++;
13277 if (strncmp(p, "black", strlen("black"))==0)
13278 blackPlaysFirst = TRUE;
13280 blackPlaysFirst = FALSE;
13281 startedFromSetupPosition = TRUE;
13283 CopyBoard(boards[0], initial_position);
13284 if (blackPlaysFirst) {
13285 currentMove = forwardMostMove = backwardMostMove = 1;
13286 CopyBoard(boards[1], initial_position);
13287 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13288 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13289 timeRemaining[0][1] = whiteTimeRemaining;
13290 timeRemaining[1][1] = blackTimeRemaining;
13291 if (commentList[0] != NULL) {
13292 commentList[1] = commentList[0];
13293 commentList[0] = NULL;
13296 currentMove = forwardMostMove = backwardMostMove = 0;
13299 yyboardindex = forwardMostMove;
13300 cm = (ChessMove) Myylex();
13303 if(!creatingBook) {
13304 if (first.pr == NoProc) {
13305 StartChessProgram(&first);
13307 InitChessProgram(&first, FALSE);
13308 if(gameInfo.variant == VariantUnknown && *oldName) {
13309 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13310 gameInfo.variant = v;
13312 SendToProgram("force\n", &first);
13313 if (startedFromSetupPosition) {
13314 SendBoard(&first, forwardMostMove);
13315 if (appData.debugMode) {
13316 fprintf(debugFP, "Load Game\n");
13318 DisplayBothClocks();
13322 /* [HGM] server: flag to write setup moves in broadcast file as one */
13323 loadFlag = appData.suppressLoadMoves;
13325 while (cm == Comment) {
13327 if (appData.debugMode)
13328 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13330 AppendComment(currentMove, p, FALSE);
13331 yyboardindex = forwardMostMove;
13332 cm = (ChessMove) Myylex();
13335 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13336 cm == WhiteWins || cm == BlackWins ||
13337 cm == GameIsDrawn || cm == GameUnfinished) {
13338 DisplayMessage("", _("No moves in game"));
13339 if (cmailMsgLoaded) {
13340 if (appData.debugMode)
13341 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13345 DrawPosition(FALSE, boards[currentMove]);
13346 DisplayBothClocks();
13347 gameMode = EditGame;
13354 // [HGM] PV info: routine tests if comment empty
13355 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13356 DisplayComment(currentMove - 1, commentList[currentMove]);
13358 if (!matchMode && appData.timeDelay != 0)
13359 DrawPosition(FALSE, boards[currentMove]);
13361 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13362 programStats.ok_to_send = 1;
13365 /* if the first token after the PGN tags is a move
13366 * and not move number 1, retrieve it from the parser
13368 if (cm != MoveNumberOne)
13369 LoadGameOneMove(cm);
13371 /* load the remaining moves from the file */
13372 while (LoadGameOneMove(EndOfFile)) {
13373 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13374 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13377 /* rewind to the start of the game */
13378 currentMove = backwardMostMove;
13380 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13382 if (oldGameMode == AnalyzeFile) {
13383 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13384 AnalyzeFileEvent();
13386 if (oldGameMode == AnalyzeMode) {
13387 AnalyzeFileEvent();
13390 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13391 long int w, b; // [HGM] adjourn: restore saved clock times
13392 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13393 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13394 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13395 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13399 if(creatingBook) return TRUE;
13400 if (!matchMode && pos > 0) {
13401 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13403 if (matchMode || appData.timeDelay == 0) {
13405 } else if (appData.timeDelay > 0) {
13406 AutoPlayGameLoop();
13409 if (appData.debugMode)
13410 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13412 loadFlag = 0; /* [HGM] true game starts */
13416 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13418 ReloadPosition (int offset)
13420 int positionNumber = lastLoadPositionNumber + offset;
13421 if (lastLoadPositionFP == NULL) {
13422 DisplayError(_("No position has been loaded yet"), 0);
13425 if (positionNumber <= 0) {
13426 DisplayError(_("Can't back up any further"), 0);
13429 return LoadPosition(lastLoadPositionFP, positionNumber,
13430 lastLoadPositionTitle);
13433 /* Load the nth position from the given file */
13435 LoadPositionFromFile (char *filename, int n, char *title)
13440 if (strcmp(filename, "-") == 0) {
13441 return LoadPosition(stdin, n, "stdin");
13443 f = fopen(filename, "rb");
13445 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13446 DisplayError(buf, errno);
13449 return LoadPosition(f, n, title);
13454 /* Load the nth position from the given open file, and close it */
13456 LoadPosition (FILE *f, int positionNumber, char *title)
13458 char *p, line[MSG_SIZ];
13459 Board initial_position;
13460 int i, j, fenMode, pn;
13462 if (gameMode == Training )
13463 SetTrainingModeOff();
13465 if (gameMode != BeginningOfGame) {
13466 Reset(FALSE, TRUE);
13468 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13469 fclose(lastLoadPositionFP);
13471 if (positionNumber == 0) positionNumber = 1;
13472 lastLoadPositionFP = f;
13473 lastLoadPositionNumber = positionNumber;
13474 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13475 if (first.pr == NoProc && !appData.noChessProgram) {
13476 StartChessProgram(&first);
13477 InitChessProgram(&first, FALSE);
13479 pn = positionNumber;
13480 if (positionNumber < 0) {
13481 /* Negative position number means to seek to that byte offset */
13482 if (fseek(f, -positionNumber, 0) == -1) {
13483 DisplayError(_("Can't seek on position file"), 0);
13488 if (fseek(f, 0, 0) == -1) {
13489 if (f == lastLoadPositionFP ?
13490 positionNumber == lastLoadPositionNumber + 1 :
13491 positionNumber == 1) {
13494 DisplayError(_("Can't seek on position file"), 0);
13499 /* See if this file is FEN or old-style xboard */
13500 if (fgets(line, MSG_SIZ, f) == NULL) {
13501 DisplayError(_("Position not found in file"), 0);
13504 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13505 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13508 if (fenMode || line[0] == '#') pn--;
13510 /* skip positions before number pn */
13511 if (fgets(line, MSG_SIZ, f) == NULL) {
13513 DisplayError(_("Position not found in file"), 0);
13516 if (fenMode || line[0] == '#') pn--;
13522 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13523 DisplayError(_("Bad FEN position in file"), 0);
13526 if((p = strstr(line, ";")) && (p = strstr(p+1, "bm "))) { // EPD with best move
13527 sscanf(p+3, "%s", bestMove);
13528 } else *bestMove = NULLCHAR;
13530 (void) fgets(line, MSG_SIZ, f);
13531 (void) fgets(line, MSG_SIZ, f);
13533 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13534 (void) fgets(line, MSG_SIZ, f);
13535 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13538 initial_position[i][j++] = CharToPiece(*p);
13542 blackPlaysFirst = FALSE;
13544 (void) fgets(line, MSG_SIZ, f);
13545 if (strncmp(line, "black", strlen("black"))==0)
13546 blackPlaysFirst = TRUE;
13549 startedFromSetupPosition = TRUE;
13551 CopyBoard(boards[0], initial_position);
13552 if (blackPlaysFirst) {
13553 currentMove = forwardMostMove = backwardMostMove = 1;
13554 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13555 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13556 CopyBoard(boards[1], initial_position);
13557 DisplayMessage("", _("Black to play"));
13559 currentMove = forwardMostMove = backwardMostMove = 0;
13560 DisplayMessage("", _("White to play"));
13562 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13563 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13564 SendToProgram("force\n", &first);
13565 SendBoard(&first, forwardMostMove);
13567 if (appData.debugMode) {
13569 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13570 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13571 fprintf(debugFP, "Load Position\n");
13574 if (positionNumber > 1) {
13575 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13576 DisplayTitle(line);
13578 DisplayTitle(title);
13580 gameMode = EditGame;
13583 timeRemaining[0][1] = whiteTimeRemaining;
13584 timeRemaining[1][1] = blackTimeRemaining;
13585 DrawPosition(FALSE, boards[currentMove]);
13592 CopyPlayerNameIntoFileName (char **dest, char *src)
13594 while (*src != NULLCHAR && *src != ',') {
13599 *(*dest)++ = *src++;
13605 DefaultFileName (char *ext)
13607 static char def[MSG_SIZ];
13610 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13612 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13614 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13616 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13623 /* Save the current game to the given file */
13625 SaveGameToFile (char *filename, int append)
13629 int result, i, t,tot=0;
13631 if (strcmp(filename, "-") == 0) {
13632 return SaveGame(stdout, 0, NULL);
13634 for(i=0; i<10; i++) { // upto 10 tries
13635 f = fopen(filename, append ? "a" : "w");
13636 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13637 if(f || errno != 13) break;
13638 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13642 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13643 DisplayError(buf, errno);
13646 safeStrCpy(buf, lastMsg, MSG_SIZ);
13647 DisplayMessage(_("Waiting for access to save file"), "");
13648 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13649 DisplayMessage(_("Saving game"), "");
13650 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13651 result = SaveGame(f, 0, NULL);
13652 DisplayMessage(buf, "");
13659 SavePart (char *str)
13661 static char buf[MSG_SIZ];
13664 p = strchr(str, ' ');
13665 if (p == NULL) return str;
13666 strncpy(buf, str, p - str);
13667 buf[p - str] = NULLCHAR;
13671 #define PGN_MAX_LINE 75
13673 #define PGN_SIDE_WHITE 0
13674 #define PGN_SIDE_BLACK 1
13677 FindFirstMoveOutOfBook (int side)
13681 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13682 int index = backwardMostMove;
13683 int has_book_hit = 0;
13685 if( (index % 2) != side ) {
13689 while( index < forwardMostMove ) {
13690 /* Check to see if engine is in book */
13691 int depth = pvInfoList[index].depth;
13692 int score = pvInfoList[index].score;
13698 else if( score == 0 && depth == 63 ) {
13699 in_book = 1; /* Zappa */
13701 else if( score == 2 && depth == 99 ) {
13702 in_book = 1; /* Abrok */
13705 has_book_hit += in_book;
13721 GetOutOfBookInfo (char * buf)
13725 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13727 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13728 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13732 if( oob[0] >= 0 || oob[1] >= 0 ) {
13733 for( i=0; i<2; i++ ) {
13737 if( i > 0 && oob[0] >= 0 ) {
13738 strcat( buf, " " );
13741 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13742 sprintf( buf+strlen(buf), "%s%.2f",
13743 pvInfoList[idx].score >= 0 ? "+" : "",
13744 pvInfoList[idx].score / 100.0 );
13750 /* Save game in PGN style */
13752 SaveGamePGN2 (FILE *f)
13754 int i, offset, linelen, newblock;
13757 int movelen, numlen, blank;
13758 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13760 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13762 PrintPGNTags(f, &gameInfo);
13764 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13766 if (backwardMostMove > 0 || startedFromSetupPosition) {
13767 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13768 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13769 fprintf(f, "\n{--------------\n");
13770 PrintPosition(f, backwardMostMove);
13771 fprintf(f, "--------------}\n");
13775 /* [AS] Out of book annotation */
13776 if( appData.saveOutOfBookInfo ) {
13779 GetOutOfBookInfo( buf );
13781 if( buf[0] != '\0' ) {
13782 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13789 i = backwardMostMove;
13793 while (i < forwardMostMove) {
13794 /* Print comments preceding this move */
13795 if (commentList[i] != NULL) {
13796 if (linelen > 0) fprintf(f, "\n");
13797 fprintf(f, "%s", commentList[i]);
13802 /* Format move number */
13804 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13807 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13809 numtext[0] = NULLCHAR;
13811 numlen = strlen(numtext);
13814 /* Print move number */
13815 blank = linelen > 0 && numlen > 0;
13816 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13825 fprintf(f, "%s", numtext);
13829 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13830 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13833 blank = linelen > 0 && movelen > 0;
13834 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13843 fprintf(f, "%s", move_buffer);
13844 linelen += movelen;
13846 /* [AS] Add PV info if present */
13847 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13848 /* [HGM] add time */
13849 char buf[MSG_SIZ]; int seconds;
13851 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13857 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13860 seconds = (seconds + 4)/10; // round to full seconds
13862 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13864 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13867 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13868 pvInfoList[i].score >= 0 ? "+" : "",
13869 pvInfoList[i].score / 100.0,
13870 pvInfoList[i].depth,
13873 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13875 /* Print score/depth */
13876 blank = linelen > 0 && movelen > 0;
13877 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13886 fprintf(f, "%s", move_buffer);
13887 linelen += movelen;
13893 /* Start a new line */
13894 if (linelen > 0) fprintf(f, "\n");
13896 /* Print comments after last move */
13897 if (commentList[i] != NULL) {
13898 fprintf(f, "%s\n", commentList[i]);
13902 if (gameInfo.resultDetails != NULL &&
13903 gameInfo.resultDetails[0] != NULLCHAR) {
13904 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13905 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13906 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13907 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13908 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13910 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13914 /* Save game in PGN style and close the file */
13916 SaveGamePGN (FILE *f)
13920 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13924 /* Save game in old style and close the file */
13926 SaveGameOldStyle (FILE *f)
13931 tm = time((time_t *) NULL);
13933 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13936 if (backwardMostMove > 0 || startedFromSetupPosition) {
13937 fprintf(f, "\n[--------------\n");
13938 PrintPosition(f, backwardMostMove);
13939 fprintf(f, "--------------]\n");
13944 i = backwardMostMove;
13945 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13947 while (i < forwardMostMove) {
13948 if (commentList[i] != NULL) {
13949 fprintf(f, "[%s]\n", commentList[i]);
13952 if ((i % 2) == 1) {
13953 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13956 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13958 if (commentList[i] != NULL) {
13962 if (i >= forwardMostMove) {
13966 fprintf(f, "%s\n", parseList[i]);
13971 if (commentList[i] != NULL) {
13972 fprintf(f, "[%s]\n", commentList[i]);
13975 /* This isn't really the old style, but it's close enough */
13976 if (gameInfo.resultDetails != NULL &&
13977 gameInfo.resultDetails[0] != NULLCHAR) {
13978 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13979 gameInfo.resultDetails);
13981 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13988 /* Save the current game to open file f and close the file */
13990 SaveGame (FILE *f, int dummy, char *dummy2)
13992 if (gameMode == EditPosition) EditPositionDone(TRUE);
13993 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13994 if (appData.oldSaveStyle)
13995 return SaveGameOldStyle(f);
13997 return SaveGamePGN(f);
14000 /* Save the current position to the given file */
14002 SavePositionToFile (char *filename)
14007 if (strcmp(filename, "-") == 0) {
14008 return SavePosition(stdout, 0, NULL);
14010 f = fopen(filename, "a");
14012 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
14013 DisplayError(buf, errno);
14016 safeStrCpy(buf, lastMsg, MSG_SIZ);
14017 DisplayMessage(_("Waiting for access to save file"), "");
14018 flock(fileno(f), LOCK_EX); // [HGM] lock
14019 DisplayMessage(_("Saving position"), "");
14020 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
14021 SavePosition(f, 0, NULL);
14022 DisplayMessage(buf, "");
14028 /* Save the current position to the given open file and close the file */
14030 SavePosition (FILE *f, int dummy, char *dummy2)
14035 if (gameMode == EditPosition) EditPositionDone(TRUE);
14036 if (appData.oldSaveStyle) {
14037 tm = time((time_t *) NULL);
14039 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
14041 fprintf(f, "[--------------\n");
14042 PrintPosition(f, currentMove);
14043 fprintf(f, "--------------]\n");
14045 fen = PositionToFEN(currentMove, NULL, 1);
14046 fprintf(f, "%s\n", fen);
14054 ReloadCmailMsgEvent (int unregister)
14057 static char *inFilename = NULL;
14058 static char *outFilename;
14060 struct stat inbuf, outbuf;
14063 /* Any registered moves are unregistered if unregister is set, */
14064 /* i.e. invoked by the signal handler */
14066 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14067 cmailMoveRegistered[i] = FALSE;
14068 if (cmailCommentList[i] != NULL) {
14069 free(cmailCommentList[i]);
14070 cmailCommentList[i] = NULL;
14073 nCmailMovesRegistered = 0;
14076 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14077 cmailResult[i] = CMAIL_NOT_RESULT;
14081 if (inFilename == NULL) {
14082 /* Because the filenames are static they only get malloced once */
14083 /* and they never get freed */
14084 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
14085 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
14087 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
14088 sprintf(outFilename, "%s.out", appData.cmailGameName);
14091 status = stat(outFilename, &outbuf);
14093 cmailMailedMove = FALSE;
14095 status = stat(inFilename, &inbuf);
14096 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
14099 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
14100 counts the games, notes how each one terminated, etc.
14102 It would be nice to remove this kludge and instead gather all
14103 the information while building the game list. (And to keep it
14104 in the game list nodes instead of having a bunch of fixed-size
14105 parallel arrays.) Note this will require getting each game's
14106 termination from the PGN tags, as the game list builder does
14107 not process the game moves. --mann
14109 cmailMsgLoaded = TRUE;
14110 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
14112 /* Load first game in the file or popup game menu */
14113 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
14115 #endif /* !WIN32 */
14123 char string[MSG_SIZ];
14125 if ( cmailMailedMove
14126 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
14127 return TRUE; /* Allow free viewing */
14130 /* Unregister move to ensure that we don't leave RegisterMove */
14131 /* with the move registered when the conditions for registering no */
14133 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14134 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14135 nCmailMovesRegistered --;
14137 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14139 free(cmailCommentList[lastLoadGameNumber - 1]);
14140 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14144 if (cmailOldMove == -1) {
14145 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14149 if (currentMove > cmailOldMove + 1) {
14150 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14154 if (currentMove < cmailOldMove) {
14155 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14159 if (forwardMostMove > currentMove) {
14160 /* Silently truncate extra moves */
14164 if ( (currentMove == cmailOldMove + 1)
14165 || ( (currentMove == cmailOldMove)
14166 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14167 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14168 if (gameInfo.result != GameUnfinished) {
14169 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14172 if (commentList[currentMove] != NULL) {
14173 cmailCommentList[lastLoadGameNumber - 1]
14174 = StrSave(commentList[currentMove]);
14176 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14178 if (appData.debugMode)
14179 fprintf(debugFP, "Saving %s for game %d\n",
14180 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14182 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14184 f = fopen(string, "w");
14185 if (appData.oldSaveStyle) {
14186 SaveGameOldStyle(f); /* also closes the file */
14188 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14189 f = fopen(string, "w");
14190 SavePosition(f, 0, NULL); /* also closes the file */
14192 fprintf(f, "{--------------\n");
14193 PrintPosition(f, currentMove);
14194 fprintf(f, "--------------}\n\n");
14196 SaveGame(f, 0, NULL); /* also closes the file*/
14199 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14200 nCmailMovesRegistered ++;
14201 } else if (nCmailGames == 1) {
14202 DisplayError(_("You have not made a move yet"), 0);
14213 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14214 FILE *commandOutput;
14215 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14216 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14222 if (! cmailMsgLoaded) {
14223 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14227 if (nCmailGames == nCmailResults) {
14228 DisplayError(_("No unfinished games"), 0);
14232 #if CMAIL_PROHIBIT_REMAIL
14233 if (cmailMailedMove) {
14234 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);
14235 DisplayError(msg, 0);
14240 if (! (cmailMailedMove || RegisterMove())) return;
14242 if ( cmailMailedMove
14243 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14244 snprintf(string, MSG_SIZ, partCommandString,
14245 appData.debugMode ? " -v" : "", appData.cmailGameName);
14246 commandOutput = popen(string, "r");
14248 if (commandOutput == NULL) {
14249 DisplayError(_("Failed to invoke cmail"), 0);
14251 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14252 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14254 if (nBuffers > 1) {
14255 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14256 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14257 nBytes = MSG_SIZ - 1;
14259 (void) memcpy(msg, buffer, nBytes);
14261 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14263 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14264 cmailMailedMove = TRUE; /* Prevent >1 moves */
14267 for (i = 0; i < nCmailGames; i ++) {
14268 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14273 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14275 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14277 appData.cmailGameName,
14279 LoadGameFromFile(buffer, 1, buffer, FALSE);
14280 cmailMsgLoaded = FALSE;
14284 DisplayInformation(msg);
14285 pclose(commandOutput);
14288 if ((*cmailMsg) != '\0') {
14289 DisplayInformation(cmailMsg);
14294 #endif /* !WIN32 */
14303 int prependComma = 0;
14305 char string[MSG_SIZ]; /* Space for game-list */
14308 if (!cmailMsgLoaded) return "";
14310 if (cmailMailedMove) {
14311 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14313 /* Create a list of games left */
14314 snprintf(string, MSG_SIZ, "[");
14315 for (i = 0; i < nCmailGames; i ++) {
14316 if (! ( cmailMoveRegistered[i]
14317 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14318 if (prependComma) {
14319 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14321 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14325 strcat(string, number);
14328 strcat(string, "]");
14330 if (nCmailMovesRegistered + nCmailResults == 0) {
14331 switch (nCmailGames) {
14333 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14337 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14341 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14346 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14348 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14353 if (nCmailResults == nCmailGames) {
14354 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14356 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14361 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14373 if (gameMode == Training)
14374 SetTrainingModeOff();
14377 cmailMsgLoaded = FALSE;
14378 if (appData.icsActive) {
14379 SendToICS(ics_prefix);
14380 SendToICS("refresh\n");
14385 ExitEvent (int status)
14389 /* Give up on clean exit */
14393 /* Keep trying for clean exit */
14397 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14398 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14400 if (telnetISR != NULL) {
14401 RemoveInputSource(telnetISR);
14403 if (icsPR != NoProc) {
14404 DestroyChildProcess(icsPR, TRUE);
14407 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14408 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14410 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14411 /* make sure this other one finishes before killing it! */
14412 if(endingGame) { int count = 0;
14413 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14414 while(endingGame && count++ < 10) DoSleep(1);
14415 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14418 /* Kill off chess programs */
14419 if (first.pr != NoProc) {
14422 DoSleep( appData.delayBeforeQuit );
14423 SendToProgram("quit\n", &first);
14424 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14426 if (second.pr != NoProc) {
14427 DoSleep( appData.delayBeforeQuit );
14428 SendToProgram("quit\n", &second);
14429 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14431 if (first.isr != NULL) {
14432 RemoveInputSource(first.isr);
14434 if (second.isr != NULL) {
14435 RemoveInputSource(second.isr);
14438 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14439 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14441 ShutDownFrontEnd();
14446 PauseEngine (ChessProgramState *cps)
14448 SendToProgram("pause\n", cps);
14453 UnPauseEngine (ChessProgramState *cps)
14455 SendToProgram("resume\n", cps);
14462 if (appData.debugMode)
14463 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14467 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14469 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14470 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14471 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14473 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14474 HandleMachineMove(stashedInputMove, stalledEngine);
14475 stalledEngine = NULL;
14478 if (gameMode == MachinePlaysWhite ||
14479 gameMode == TwoMachinesPlay ||
14480 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14481 if(first.pause) UnPauseEngine(&first);
14482 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14483 if(second.pause) UnPauseEngine(&second);
14484 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14487 DisplayBothClocks();
14489 if (gameMode == PlayFromGameFile) {
14490 if (appData.timeDelay >= 0)
14491 AutoPlayGameLoop();
14492 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14493 Reset(FALSE, TRUE);
14494 SendToICS(ics_prefix);
14495 SendToICS("refresh\n");
14496 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14497 ForwardInner(forwardMostMove);
14499 pauseExamInvalid = FALSE;
14501 switch (gameMode) {
14505 pauseExamForwardMostMove = forwardMostMove;
14506 pauseExamInvalid = FALSE;
14509 case IcsPlayingWhite:
14510 case IcsPlayingBlack:
14514 case PlayFromGameFile:
14515 (void) StopLoadGameTimer();
14519 case BeginningOfGame:
14520 if (appData.icsActive) return;
14521 /* else fall through */
14522 case MachinePlaysWhite:
14523 case MachinePlaysBlack:
14524 case TwoMachinesPlay:
14525 if (forwardMostMove == 0)
14526 return; /* don't pause if no one has moved */
14527 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14528 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14529 if(onMove->pause) { // thinking engine can be paused
14530 PauseEngine(onMove); // do it
14531 if(onMove->other->pause) // pondering opponent can always be paused immediately
14532 PauseEngine(onMove->other);
14534 SendToProgram("easy\n", onMove->other);
14536 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14537 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14539 PauseEngine(&first);
14541 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14542 } else { // human on move, pause pondering by either method
14544 PauseEngine(&first);
14545 else if(appData.ponderNextMove)
14546 SendToProgram("easy\n", &first);
14549 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14559 EditCommentEvent ()
14561 char title[MSG_SIZ];
14563 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14564 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14566 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14567 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14568 parseList[currentMove - 1]);
14571 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14578 char *tags = PGNTags(&gameInfo);
14580 EditTagsPopUp(tags, NULL);
14587 if(second.analyzing) {
14588 SendToProgram("exit\n", &second);
14589 second.analyzing = FALSE;
14591 if (second.pr == NoProc) StartChessProgram(&second);
14592 InitChessProgram(&second, FALSE);
14593 FeedMovesToProgram(&second, currentMove);
14595 SendToProgram("analyze\n", &second);
14596 second.analyzing = TRUE;
14600 /* Toggle ShowThinking */
14602 ToggleShowThinking()
14604 appData.showThinking = !appData.showThinking;
14605 ShowThinkingEvent();
14609 AnalyzeModeEvent ()
14613 if (!first.analysisSupport) {
14614 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14615 DisplayError(buf, 0);
14618 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14619 if (appData.icsActive) {
14620 if (gameMode != IcsObserving) {
14621 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14622 DisplayError(buf, 0);
14624 if (appData.icsEngineAnalyze) {
14625 if (appData.debugMode)
14626 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14632 /* if enable, user wants to disable icsEngineAnalyze */
14633 if (appData.icsEngineAnalyze) {
14638 appData.icsEngineAnalyze = TRUE;
14639 if (appData.debugMode)
14640 fprintf(debugFP, "ICS engine analyze starting... \n");
14643 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14644 if (appData.noChessProgram || gameMode == AnalyzeMode)
14647 if (gameMode != AnalyzeFile) {
14648 if (!appData.icsEngineAnalyze) {
14650 if (gameMode != EditGame) return 0;
14652 if (!appData.showThinking) ToggleShowThinking();
14653 ResurrectChessProgram();
14654 SendToProgram("analyze\n", &first);
14655 first.analyzing = TRUE;
14656 /*first.maybeThinking = TRUE;*/
14657 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14658 EngineOutputPopUp();
14660 if (!appData.icsEngineAnalyze) {
14661 gameMode = AnalyzeMode;
14662 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14668 StartAnalysisClock();
14669 GetTimeMark(&lastNodeCountTime);
14675 AnalyzeFileEvent ()
14677 if (appData.noChessProgram || gameMode == AnalyzeFile)
14680 if (!first.analysisSupport) {
14682 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14683 DisplayError(buf, 0);
14687 if (gameMode != AnalyzeMode) {
14688 keepInfo = 1; // mere annotating should not alter PGN tags
14691 if (gameMode != EditGame) return;
14692 if (!appData.showThinking) ToggleShowThinking();
14693 ResurrectChessProgram();
14694 SendToProgram("analyze\n", &first);
14695 first.analyzing = TRUE;
14696 /*first.maybeThinking = TRUE;*/
14697 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14698 EngineOutputPopUp();
14700 gameMode = AnalyzeFile;
14704 StartAnalysisClock();
14705 GetTimeMark(&lastNodeCountTime);
14707 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14708 AnalysisPeriodicEvent(1);
14712 MachineWhiteEvent ()
14715 char *bookHit = NULL;
14717 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14721 if (gameMode == PlayFromGameFile ||
14722 gameMode == TwoMachinesPlay ||
14723 gameMode == Training ||
14724 gameMode == AnalyzeMode ||
14725 gameMode == EndOfGame)
14728 if (gameMode == EditPosition)
14729 EditPositionDone(TRUE);
14731 if (!WhiteOnMove(currentMove)) {
14732 DisplayError(_("It is not White's turn"), 0);
14736 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14739 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14740 gameMode == AnalyzeFile)
14743 ResurrectChessProgram(); /* in case it isn't running */
14744 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14745 gameMode = MachinePlaysWhite;
14748 gameMode = MachinePlaysWhite;
14752 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14754 if (first.sendName) {
14755 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14756 SendToProgram(buf, &first);
14758 if (first.sendTime) {
14759 if (first.useColors) {
14760 SendToProgram("black\n", &first); /*gnu kludge*/
14762 SendTimeRemaining(&first, TRUE);
14764 if (first.useColors) {
14765 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14767 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14768 SetMachineThinkingEnables();
14769 first.maybeThinking = TRUE;
14773 if (appData.autoFlipView && !flipView) {
14774 flipView = !flipView;
14775 DrawPosition(FALSE, NULL);
14776 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14779 if(bookHit) { // [HGM] book: simulate book reply
14780 static char bookMove[MSG_SIZ]; // a bit generous?
14782 programStats.nodes = programStats.depth = programStats.time =
14783 programStats.score = programStats.got_only_move = 0;
14784 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14786 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14787 strcat(bookMove, bookHit);
14788 HandleMachineMove(bookMove, &first);
14793 MachineBlackEvent ()
14796 char *bookHit = NULL;
14798 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14802 if (gameMode == PlayFromGameFile ||
14803 gameMode == TwoMachinesPlay ||
14804 gameMode == Training ||
14805 gameMode == AnalyzeMode ||
14806 gameMode == EndOfGame)
14809 if (gameMode == EditPosition)
14810 EditPositionDone(TRUE);
14812 if (WhiteOnMove(currentMove)) {
14813 DisplayError(_("It is not Black's turn"), 0);
14817 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14820 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14821 gameMode == AnalyzeFile)
14824 ResurrectChessProgram(); /* in case it isn't running */
14825 gameMode = MachinePlaysBlack;
14829 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14831 if (first.sendName) {
14832 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14833 SendToProgram(buf, &first);
14835 if (first.sendTime) {
14836 if (first.useColors) {
14837 SendToProgram("white\n", &first); /*gnu kludge*/
14839 SendTimeRemaining(&first, FALSE);
14841 if (first.useColors) {
14842 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14844 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14845 SetMachineThinkingEnables();
14846 first.maybeThinking = TRUE;
14849 if (appData.autoFlipView && flipView) {
14850 flipView = !flipView;
14851 DrawPosition(FALSE, NULL);
14852 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14854 if(bookHit) { // [HGM] book: simulate book reply
14855 static char bookMove[MSG_SIZ]; // a bit generous?
14857 programStats.nodes = programStats.depth = programStats.time =
14858 programStats.score = programStats.got_only_move = 0;
14859 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14861 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14862 strcat(bookMove, bookHit);
14863 HandleMachineMove(bookMove, &first);
14869 DisplayTwoMachinesTitle ()
14872 if (appData.matchGames > 0) {
14873 if(appData.tourneyFile[0]) {
14874 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14875 gameInfo.white, _("vs."), gameInfo.black,
14876 nextGame+1, appData.matchGames+1,
14877 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14879 if (first.twoMachinesColor[0] == 'w') {
14880 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14881 gameInfo.white, _("vs."), gameInfo.black,
14882 first.matchWins, second.matchWins,
14883 matchGame - 1 - (first.matchWins + second.matchWins));
14885 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14886 gameInfo.white, _("vs."), gameInfo.black,
14887 second.matchWins, first.matchWins,
14888 matchGame - 1 - (first.matchWins + second.matchWins));
14891 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14897 SettingsMenuIfReady ()
14899 if (second.lastPing != second.lastPong) {
14900 DisplayMessage("", _("Waiting for second chess program"));
14901 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14905 DisplayMessage("", "");
14906 SettingsPopUp(&second);
14910 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14913 if (cps->pr == NoProc) {
14914 StartChessProgram(cps);
14915 if (cps->protocolVersion == 1) {
14917 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14919 /* kludge: allow timeout for initial "feature" command */
14920 if(retry != TwoMachinesEventIfReady) FreezeUI();
14921 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14922 DisplayMessage("", buf);
14923 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14931 TwoMachinesEvent P((void))
14935 ChessProgramState *onmove;
14936 char *bookHit = NULL;
14937 static int stalling = 0;
14941 if (appData.noChessProgram) return;
14943 switch (gameMode) {
14944 case TwoMachinesPlay:
14946 case MachinePlaysWhite:
14947 case MachinePlaysBlack:
14948 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14949 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14953 case BeginningOfGame:
14954 case PlayFromGameFile:
14957 if (gameMode != EditGame) return;
14960 EditPositionDone(TRUE);
14971 // forwardMostMove = currentMove;
14972 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14973 startingEngine = TRUE;
14975 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14977 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14978 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14979 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14982 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14984 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14985 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14986 startingEngine = matchMode = FALSE;
14987 DisplayError("second engine does not play this", 0);
14988 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
14989 EditGameEvent(); // switch back to EditGame mode
14994 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14995 SendToProgram("force\n", &second);
14997 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15000 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
15001 if(appData.matchPause>10000 || appData.matchPause<10)
15002 appData.matchPause = 10000; /* [HGM] make pause adjustable */
15003 wait = SubtractTimeMarks(&now, &pauseStart);
15004 if(wait < appData.matchPause) {
15005 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
15008 // we are now committed to starting the game
15010 DisplayMessage("", "");
15011 if (startedFromSetupPosition) {
15012 SendBoard(&second, backwardMostMove);
15013 if (appData.debugMode) {
15014 fprintf(debugFP, "Two Machines\n");
15017 for (i = backwardMostMove; i < forwardMostMove; i++) {
15018 SendMoveToProgram(i, &second);
15021 gameMode = TwoMachinesPlay;
15022 pausing = startingEngine = FALSE;
15023 ModeHighlight(); // [HGM] logo: this triggers display update of logos
15025 DisplayTwoMachinesTitle();
15027 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
15032 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
15033 SendToProgram(first.computerString, &first);
15034 if (first.sendName) {
15035 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
15036 SendToProgram(buf, &first);
15038 SendToProgram(second.computerString, &second);
15039 if (second.sendName) {
15040 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
15041 SendToProgram(buf, &second);
15045 if (!first.sendTime || !second.sendTime) {
15046 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15047 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15049 if (onmove->sendTime) {
15050 if (onmove->useColors) {
15051 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
15053 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
15055 if (onmove->useColors) {
15056 SendToProgram(onmove->twoMachinesColor, onmove);
15058 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
15059 // SendToProgram("go\n", onmove);
15060 onmove->maybeThinking = TRUE;
15061 SetMachineThinkingEnables();
15065 if(bookHit) { // [HGM] book: simulate book reply
15066 static char bookMove[MSG_SIZ]; // a bit generous?
15068 programStats.nodes = programStats.depth = programStats.time =
15069 programStats.score = programStats.got_only_move = 0;
15070 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15072 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15073 strcat(bookMove, bookHit);
15074 savedMessage = bookMove; // args for deferred call
15075 savedState = onmove;
15076 ScheduleDelayedEvent(DeferredBookMove, 1);
15083 if (gameMode == Training) {
15084 SetTrainingModeOff();
15085 gameMode = PlayFromGameFile;
15086 DisplayMessage("", _("Training mode off"));
15088 gameMode = Training;
15089 animateTraining = appData.animate;
15091 /* make sure we are not already at the end of the game */
15092 if (currentMove < forwardMostMove) {
15093 SetTrainingModeOn();
15094 DisplayMessage("", _("Training mode on"));
15096 gameMode = PlayFromGameFile;
15097 DisplayError(_("Already at end of game"), 0);
15106 if (!appData.icsActive) return;
15107 switch (gameMode) {
15108 case IcsPlayingWhite:
15109 case IcsPlayingBlack:
15112 case BeginningOfGame:
15120 EditPositionDone(TRUE);
15133 gameMode = IcsIdle;
15143 switch (gameMode) {
15145 SetTrainingModeOff();
15147 case MachinePlaysWhite:
15148 case MachinePlaysBlack:
15149 case BeginningOfGame:
15150 SendToProgram("force\n", &first);
15151 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15152 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15154 abortEngineThink = TRUE;
15155 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15156 SendToProgram(buf, &first);
15157 DisplayMessage("Aborting engine think", "");
15161 SetUserThinkingEnables();
15163 case PlayFromGameFile:
15164 (void) StopLoadGameTimer();
15165 if (gameFileFP != NULL) {
15170 EditPositionDone(TRUE);
15175 SendToProgram("force\n", &first);
15177 case TwoMachinesPlay:
15178 GameEnds(EndOfFile, NULL, GE_PLAYER);
15179 ResurrectChessProgram();
15180 SetUserThinkingEnables();
15183 ResurrectChessProgram();
15185 case IcsPlayingBlack:
15186 case IcsPlayingWhite:
15187 DisplayError(_("Warning: You are still playing a game"), 0);
15190 DisplayError(_("Warning: You are still observing a game"), 0);
15193 DisplayError(_("Warning: You are still examining a game"), 0);
15204 first.offeredDraw = second.offeredDraw = 0;
15206 if (gameMode == PlayFromGameFile) {
15207 whiteTimeRemaining = timeRemaining[0][currentMove];
15208 blackTimeRemaining = timeRemaining[1][currentMove];
15212 if (gameMode == MachinePlaysWhite ||
15213 gameMode == MachinePlaysBlack ||
15214 gameMode == TwoMachinesPlay ||
15215 gameMode == EndOfGame) {
15216 i = forwardMostMove;
15217 while (i > currentMove) {
15218 SendToProgram("undo\n", &first);
15221 if(!adjustedClock) {
15222 whiteTimeRemaining = timeRemaining[0][currentMove];
15223 blackTimeRemaining = timeRemaining[1][currentMove];
15224 DisplayBothClocks();
15226 if (whiteFlag || blackFlag) {
15227 whiteFlag = blackFlag = 0;
15232 gameMode = EditGame;
15239 EditPositionEvent ()
15241 if (gameMode == EditPosition) {
15247 if (gameMode != EditGame) return;
15249 gameMode = EditPosition;
15252 if (currentMove > 0)
15253 CopyBoard(boards[0], boards[currentMove]);
15255 blackPlaysFirst = !WhiteOnMove(currentMove);
15257 currentMove = forwardMostMove = backwardMostMove = 0;
15258 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15260 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15266 /* [DM] icsEngineAnalyze - possible call from other functions */
15267 if (appData.icsEngineAnalyze) {
15268 appData.icsEngineAnalyze = FALSE;
15270 DisplayMessage("",_("Close ICS engine analyze..."));
15272 if (first.analysisSupport && first.analyzing) {
15273 SendToBoth("exit\n");
15274 first.analyzing = second.analyzing = FALSE;
15276 thinkOutput[0] = NULLCHAR;
15280 EditPositionDone (Boolean fakeRights)
15282 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15284 startedFromSetupPosition = TRUE;
15285 InitChessProgram(&first, FALSE);
15286 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15287 boards[0][EP_STATUS] = EP_NONE;
15288 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
15289 if(boards[0][0][BOARD_WIDTH>>1] == king) {
15290 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
15291 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
15292 } else boards[0][CASTLING][2] = NoRights;
15293 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
15294 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
15295 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
15296 } else boards[0][CASTLING][5] = NoRights;
15297 if(gameInfo.variant == VariantSChess) {
15299 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
15300 boards[0][VIRGIN][i] = 0;
15301 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
15302 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
15306 SendToProgram("force\n", &first);
15307 if (blackPlaysFirst) {
15308 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15309 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15310 currentMove = forwardMostMove = backwardMostMove = 1;
15311 CopyBoard(boards[1], boards[0]);
15313 currentMove = forwardMostMove = backwardMostMove = 0;
15315 SendBoard(&first, forwardMostMove);
15316 if (appData.debugMode) {
15317 fprintf(debugFP, "EditPosDone\n");
15320 DisplayMessage("", "");
15321 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15322 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15323 gameMode = EditGame;
15325 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15326 ClearHighlights(); /* [AS] */
15329 /* Pause for `ms' milliseconds */
15330 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15332 TimeDelay (long ms)
15339 } while (SubtractTimeMarks(&m2, &m1) < ms);
15342 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15344 SendMultiLineToICS (char *buf)
15346 char temp[MSG_SIZ+1], *p;
15353 strncpy(temp, buf, len);
15358 if (*p == '\n' || *p == '\r')
15363 strcat(temp, "\n");
15365 SendToPlayer(temp, strlen(temp));
15369 SetWhiteToPlayEvent ()
15371 if (gameMode == EditPosition) {
15372 blackPlaysFirst = FALSE;
15373 DisplayBothClocks(); /* works because currentMove is 0 */
15374 } else if (gameMode == IcsExamining) {
15375 SendToICS(ics_prefix);
15376 SendToICS("tomove white\n");
15381 SetBlackToPlayEvent ()
15383 if (gameMode == EditPosition) {
15384 blackPlaysFirst = TRUE;
15385 currentMove = 1; /* kludge */
15386 DisplayBothClocks();
15388 } else if (gameMode == IcsExamining) {
15389 SendToICS(ics_prefix);
15390 SendToICS("tomove black\n");
15395 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15398 ChessSquare piece = boards[0][y][x];
15399 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15400 static int lastVariant;
15402 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15404 switch (selection) {
15406 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15407 MarkTargetSquares(1);
15408 CopyBoard(currentBoard, boards[0]);
15409 CopyBoard(menuBoard, initialPosition);
15410 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15411 SendToICS(ics_prefix);
15412 SendToICS("bsetup clear\n");
15413 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15414 SendToICS(ics_prefix);
15415 SendToICS("clearboard\n");
15418 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15419 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15420 for (y = 0; y < BOARD_HEIGHT; y++) {
15421 if (gameMode == IcsExamining) {
15422 if (boards[currentMove][y][x] != EmptySquare) {
15423 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15427 } else if(boards[0][y][x] != DarkSquare) {
15428 if(boards[0][y][x] != p) nonEmpty++;
15429 boards[0][y][x] = p;
15433 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15435 for(r = 0; r < BOARD_HEIGHT; r++) {
15436 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15437 ChessSquare p = menuBoard[r][x];
15438 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15441 DisplayMessage("Clicking clock again restores position", "");
15442 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15443 if(!nonEmpty) { // asked to clear an empty board
15444 CopyBoard(boards[0], menuBoard);
15446 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15447 CopyBoard(boards[0], initialPosition);
15449 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15450 && !CompareBoards(nullBoard, erasedBoard)) {
15451 CopyBoard(boards[0], erasedBoard);
15453 CopyBoard(erasedBoard, currentBoard);
15457 if (gameMode == EditPosition) {
15458 DrawPosition(FALSE, boards[0]);
15463 SetWhiteToPlayEvent();
15467 SetBlackToPlayEvent();
15471 if (gameMode == IcsExamining) {
15472 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15473 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15476 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15477 if(x == BOARD_LEFT-2) {
15478 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15479 boards[0][y][1] = 0;
15481 if(x == BOARD_RGHT+1) {
15482 if(y >= gameInfo.holdingsSize) break;
15483 boards[0][y][BOARD_WIDTH-2] = 0;
15486 boards[0][y][x] = EmptySquare;
15487 DrawPosition(FALSE, boards[0]);
15492 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15493 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15494 selection = (ChessSquare) (PROMOTED(piece));
15495 } else if(piece == EmptySquare) selection = WhiteSilver;
15496 else selection = (ChessSquare)((int)piece - 1);
15500 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15501 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15502 selection = (ChessSquare) (DEMOTED(piece));
15503 } else if(piece == EmptySquare) selection = BlackSilver;
15504 else selection = (ChessSquare)((int)piece + 1);
15509 if(gameInfo.variant == VariantShatranj ||
15510 gameInfo.variant == VariantXiangqi ||
15511 gameInfo.variant == VariantCourier ||
15512 gameInfo.variant == VariantASEAN ||
15513 gameInfo.variant == VariantMakruk )
15514 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15519 if(gameInfo.variant == VariantXiangqi)
15520 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15521 if(gameInfo.variant == VariantKnightmate)
15522 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15525 if (gameMode == IcsExamining) {
15526 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15527 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15528 PieceToChar(selection), AAA + x, ONE + y);
15531 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15533 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15534 n = PieceToNumber(selection - BlackPawn);
15535 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15536 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15537 boards[0][BOARD_HEIGHT-1-n][1]++;
15539 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15540 n = PieceToNumber(selection);
15541 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15542 boards[0][n][BOARD_WIDTH-1] = selection;
15543 boards[0][n][BOARD_WIDTH-2]++;
15546 boards[0][y][x] = selection;
15547 DrawPosition(TRUE, boards[0]);
15549 fromX = fromY = -1;
15557 DropMenuEvent (ChessSquare selection, int x, int y)
15559 ChessMove moveType;
15561 switch (gameMode) {
15562 case IcsPlayingWhite:
15563 case MachinePlaysBlack:
15564 if (!WhiteOnMove(currentMove)) {
15565 DisplayMoveError(_("It is Black's turn"));
15568 moveType = WhiteDrop;
15570 case IcsPlayingBlack:
15571 case MachinePlaysWhite:
15572 if (WhiteOnMove(currentMove)) {
15573 DisplayMoveError(_("It is White's turn"));
15576 moveType = BlackDrop;
15579 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15585 if (moveType == BlackDrop && selection < BlackPawn) {
15586 selection = (ChessSquare) ((int) selection
15587 + (int) BlackPawn - (int) WhitePawn);
15589 if (boards[currentMove][y][x] != EmptySquare) {
15590 DisplayMoveError(_("That square is occupied"));
15594 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15600 /* Accept a pending offer of any kind from opponent */
15602 if (appData.icsActive) {
15603 SendToICS(ics_prefix);
15604 SendToICS("accept\n");
15605 } else if (cmailMsgLoaded) {
15606 if (currentMove == cmailOldMove &&
15607 commentList[cmailOldMove] != NULL &&
15608 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15609 "Black offers a draw" : "White offers a draw")) {
15611 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15612 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15614 DisplayError(_("There is no pending offer on this move"), 0);
15615 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15618 /* Not used for offers from chess program */
15625 /* Decline a pending offer of any kind from opponent */
15627 if (appData.icsActive) {
15628 SendToICS(ics_prefix);
15629 SendToICS("decline\n");
15630 } else if (cmailMsgLoaded) {
15631 if (currentMove == cmailOldMove &&
15632 commentList[cmailOldMove] != NULL &&
15633 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15634 "Black offers a draw" : "White offers a draw")) {
15636 AppendComment(cmailOldMove, "Draw declined", TRUE);
15637 DisplayComment(cmailOldMove - 1, "Draw declined");
15640 DisplayError(_("There is no pending offer on this move"), 0);
15643 /* Not used for offers from chess program */
15650 /* Issue ICS rematch command */
15651 if (appData.icsActive) {
15652 SendToICS(ics_prefix);
15653 SendToICS("rematch\n");
15660 /* Call your opponent's flag (claim a win on time) */
15661 if (appData.icsActive) {
15662 SendToICS(ics_prefix);
15663 SendToICS("flag\n");
15665 switch (gameMode) {
15668 case MachinePlaysWhite:
15671 GameEnds(GameIsDrawn, "Both players ran out of time",
15674 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15676 DisplayError(_("Your opponent is not out of time"), 0);
15679 case MachinePlaysBlack:
15682 GameEnds(GameIsDrawn, "Both players ran out of time",
15685 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15687 DisplayError(_("Your opponent is not out of time"), 0);
15695 ClockClick (int which)
15696 { // [HGM] code moved to back-end from winboard.c
15697 if(which) { // black clock
15698 if (gameMode == EditPosition || gameMode == IcsExamining) {
15699 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15700 SetBlackToPlayEvent();
15701 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15702 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15703 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15704 } else if (shiftKey) {
15705 AdjustClock(which, -1);
15706 } else if (gameMode == IcsPlayingWhite ||
15707 gameMode == MachinePlaysBlack) {
15710 } else { // white clock
15711 if (gameMode == EditPosition || gameMode == IcsExamining) {
15712 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15713 SetWhiteToPlayEvent();
15714 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15715 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15716 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15717 } else if (shiftKey) {
15718 AdjustClock(which, -1);
15719 } else if (gameMode == IcsPlayingBlack ||
15720 gameMode == MachinePlaysWhite) {
15729 /* Offer draw or accept pending draw offer from opponent */
15731 if (appData.icsActive) {
15732 /* Note: tournament rules require draw offers to be
15733 made after you make your move but before you punch
15734 your clock. Currently ICS doesn't let you do that;
15735 instead, you immediately punch your clock after making
15736 a move, but you can offer a draw at any time. */
15738 SendToICS(ics_prefix);
15739 SendToICS("draw\n");
15740 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15741 } else if (cmailMsgLoaded) {
15742 if (currentMove == cmailOldMove &&
15743 commentList[cmailOldMove] != NULL &&
15744 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15745 "Black offers a draw" : "White offers a draw")) {
15746 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15747 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15748 } else if (currentMove == cmailOldMove + 1) {
15749 char *offer = WhiteOnMove(cmailOldMove) ?
15750 "White offers a draw" : "Black offers a draw";
15751 AppendComment(currentMove, offer, TRUE);
15752 DisplayComment(currentMove - 1, offer);
15753 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15755 DisplayError(_("You must make your move before offering a draw"), 0);
15756 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15758 } else if (first.offeredDraw) {
15759 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15761 if (first.sendDrawOffers) {
15762 SendToProgram("draw\n", &first);
15763 userOfferedDraw = TRUE;
15771 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15773 if (appData.icsActive) {
15774 SendToICS(ics_prefix);
15775 SendToICS("adjourn\n");
15777 /* Currently GNU Chess doesn't offer or accept Adjourns */
15785 /* Offer Abort or accept pending Abort offer from opponent */
15787 if (appData.icsActive) {
15788 SendToICS(ics_prefix);
15789 SendToICS("abort\n");
15791 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15798 /* Resign. You can do this even if it's not your turn. */
15800 if (appData.icsActive) {
15801 SendToICS(ics_prefix);
15802 SendToICS("resign\n");
15804 switch (gameMode) {
15805 case MachinePlaysWhite:
15806 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15808 case MachinePlaysBlack:
15809 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15812 if (cmailMsgLoaded) {
15814 if (WhiteOnMove(cmailOldMove)) {
15815 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15817 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15819 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15830 StopObservingEvent ()
15832 /* Stop observing current games */
15833 SendToICS(ics_prefix);
15834 SendToICS("unobserve\n");
15838 StopExaminingEvent ()
15840 /* Stop observing current game */
15841 SendToICS(ics_prefix);
15842 SendToICS("unexamine\n");
15846 ForwardInner (int target)
15848 int limit; int oldSeekGraphUp = seekGraphUp;
15850 if (appData.debugMode)
15851 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15852 target, currentMove, forwardMostMove);
15854 if (gameMode == EditPosition)
15857 seekGraphUp = FALSE;
15858 MarkTargetSquares(1);
15859 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15861 if (gameMode == PlayFromGameFile && !pausing)
15864 if (gameMode == IcsExamining && pausing)
15865 limit = pauseExamForwardMostMove;
15867 limit = forwardMostMove;
15869 if (target > limit) target = limit;
15871 if (target > 0 && moveList[target - 1][0]) {
15872 int fromX, fromY, toX, toY;
15873 toX = moveList[target - 1][2] - AAA;
15874 toY = moveList[target - 1][3] - ONE;
15875 if (moveList[target - 1][1] == '@') {
15876 if (appData.highlightLastMove) {
15877 SetHighlights(-1, -1, toX, toY);
15880 fromX = moveList[target - 1][0] - AAA;
15881 fromY = moveList[target - 1][1] - ONE;
15882 if (target == currentMove + 1) {
15883 if(moveList[target - 1][4] == ';') { // multi-leg
15884 killX = moveList[target - 1][5] - AAA;
15885 killY = moveList[target - 1][6] - ONE;
15887 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15888 killX = killY = -1;
15890 if (appData.highlightLastMove) {
15891 SetHighlights(fromX, fromY, toX, toY);
15895 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15896 gameMode == Training || gameMode == PlayFromGameFile ||
15897 gameMode == AnalyzeFile) {
15898 while (currentMove < target) {
15899 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15900 SendMoveToProgram(currentMove++, &first);
15903 currentMove = target;
15906 if (gameMode == EditGame || gameMode == EndOfGame) {
15907 whiteTimeRemaining = timeRemaining[0][currentMove];
15908 blackTimeRemaining = timeRemaining[1][currentMove];
15910 DisplayBothClocks();
15911 DisplayMove(currentMove - 1);
15912 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15913 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15914 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15915 DisplayComment(currentMove - 1, commentList[currentMove]);
15917 ClearMap(); // [HGM] exclude: invalidate map
15924 if (gameMode == IcsExamining && !pausing) {
15925 SendToICS(ics_prefix);
15926 SendToICS("forward\n");
15928 ForwardInner(currentMove + 1);
15935 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15936 /* to optimze, we temporarily turn off analysis mode while we feed
15937 * the remaining moves to the engine. Otherwise we get analysis output
15940 if (first.analysisSupport) {
15941 SendToProgram("exit\nforce\n", &first);
15942 first.analyzing = FALSE;
15946 if (gameMode == IcsExamining && !pausing) {
15947 SendToICS(ics_prefix);
15948 SendToICS("forward 999999\n");
15950 ForwardInner(forwardMostMove);
15953 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15954 /* we have fed all the moves, so reactivate analysis mode */
15955 SendToProgram("analyze\n", &first);
15956 first.analyzing = TRUE;
15957 /*first.maybeThinking = TRUE;*/
15958 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15963 BackwardInner (int target)
15965 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15967 if (appData.debugMode)
15968 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15969 target, currentMove, forwardMostMove);
15971 if (gameMode == EditPosition) return;
15972 seekGraphUp = FALSE;
15973 MarkTargetSquares(1);
15974 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15975 if (currentMove <= backwardMostMove) {
15977 DrawPosition(full_redraw, boards[currentMove]);
15980 if (gameMode == PlayFromGameFile && !pausing)
15983 if (moveList[target][0]) {
15984 int fromX, fromY, toX, toY;
15985 toX = moveList[target][2] - AAA;
15986 toY = moveList[target][3] - ONE;
15987 if (moveList[target][1] == '@') {
15988 if (appData.highlightLastMove) {
15989 SetHighlights(-1, -1, toX, toY);
15992 fromX = moveList[target][0] - AAA;
15993 fromY = moveList[target][1] - ONE;
15994 if (target == currentMove - 1) {
15995 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15997 if (appData.highlightLastMove) {
15998 SetHighlights(fromX, fromY, toX, toY);
16002 if (gameMode == EditGame || gameMode==AnalyzeMode ||
16003 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
16004 while (currentMove > target) {
16005 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
16006 // null move cannot be undone. Reload program with move history before it.
16008 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
16009 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
16011 SendBoard(&first, i);
16012 if(second.analyzing) SendBoard(&second, i);
16013 for(currentMove=i; currentMove<target; currentMove++) {
16014 SendMoveToProgram(currentMove, &first);
16015 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16019 SendToBoth("undo\n");
16023 currentMove = target;
16026 if (gameMode == EditGame || gameMode == EndOfGame) {
16027 whiteTimeRemaining = timeRemaining[0][currentMove];
16028 blackTimeRemaining = timeRemaining[1][currentMove];
16030 DisplayBothClocks();
16031 DisplayMove(currentMove - 1);
16032 DrawPosition(full_redraw, boards[currentMove]);
16033 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16034 // [HGM] PV info: routine tests if comment empty
16035 DisplayComment(currentMove - 1, commentList[currentMove]);
16036 ClearMap(); // [HGM] exclude: invalidate map
16042 if (gameMode == IcsExamining && !pausing) {
16043 SendToICS(ics_prefix);
16044 SendToICS("backward\n");
16046 BackwardInner(currentMove - 1);
16053 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16054 /* to optimize, we temporarily turn off analysis mode while we undo
16055 * all the moves. Otherwise we get analysis output after each undo.
16057 if (first.analysisSupport) {
16058 SendToProgram("exit\nforce\n", &first);
16059 first.analyzing = FALSE;
16063 if (gameMode == IcsExamining && !pausing) {
16064 SendToICS(ics_prefix);
16065 SendToICS("backward 999999\n");
16067 BackwardInner(backwardMostMove);
16070 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16071 /* we have fed all the moves, so reactivate analysis mode */
16072 SendToProgram("analyze\n", &first);
16073 first.analyzing = TRUE;
16074 /*first.maybeThinking = TRUE;*/
16075 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16082 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
16083 if (to >= forwardMostMove) to = forwardMostMove;
16084 if (to <= backwardMostMove) to = backwardMostMove;
16085 if (to < currentMove) {
16093 RevertEvent (Boolean annotate)
16095 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
16098 if (gameMode != IcsExamining) {
16099 DisplayError(_("You are not examining a game"), 0);
16103 DisplayError(_("You can't revert while pausing"), 0);
16106 SendToICS(ics_prefix);
16107 SendToICS("revert\n");
16111 RetractMoveEvent ()
16113 switch (gameMode) {
16114 case MachinePlaysWhite:
16115 case MachinePlaysBlack:
16116 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
16117 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
16120 if (forwardMostMove < 2) return;
16121 currentMove = forwardMostMove = forwardMostMove - 2;
16122 whiteTimeRemaining = timeRemaining[0][currentMove];
16123 blackTimeRemaining = timeRemaining[1][currentMove];
16124 DisplayBothClocks();
16125 DisplayMove(currentMove - 1);
16126 ClearHighlights();/*!! could figure this out*/
16127 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16128 SendToProgram("remove\n", &first);
16129 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16132 case BeginningOfGame:
16136 case IcsPlayingWhite:
16137 case IcsPlayingBlack:
16138 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16139 SendToICS(ics_prefix);
16140 SendToICS("takeback 2\n");
16142 SendToICS(ics_prefix);
16143 SendToICS("takeback 1\n");
16152 ChessProgramState *cps;
16154 switch (gameMode) {
16155 case MachinePlaysWhite:
16156 if (!WhiteOnMove(forwardMostMove)) {
16157 DisplayError(_("It is your turn"), 0);
16162 case MachinePlaysBlack:
16163 if (WhiteOnMove(forwardMostMove)) {
16164 DisplayError(_("It is your turn"), 0);
16169 case TwoMachinesPlay:
16170 if (WhiteOnMove(forwardMostMove) ==
16171 (first.twoMachinesColor[0] == 'w')) {
16177 case BeginningOfGame:
16181 SendToProgram("?\n", cps);
16185 TruncateGameEvent ()
16188 if (gameMode != EditGame) return;
16195 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16196 if (forwardMostMove > currentMove) {
16197 if (gameInfo.resultDetails != NULL) {
16198 free(gameInfo.resultDetails);
16199 gameInfo.resultDetails = NULL;
16200 gameInfo.result = GameUnfinished;
16202 forwardMostMove = currentMove;
16203 HistorySet(parseList, backwardMostMove, forwardMostMove,
16211 if (appData.noChessProgram) return;
16212 switch (gameMode) {
16213 case MachinePlaysWhite:
16214 if (WhiteOnMove(forwardMostMove)) {
16215 DisplayError(_("Wait until your turn."), 0);
16219 case BeginningOfGame:
16220 case MachinePlaysBlack:
16221 if (!WhiteOnMove(forwardMostMove)) {
16222 DisplayError(_("Wait until your turn."), 0);
16227 DisplayError(_("No hint available"), 0);
16230 SendToProgram("hint\n", &first);
16231 hintRequested = TRUE;
16235 SaveSelected (FILE *g, int dummy, char *dummy2)
16237 ListGame * lg = (ListGame *) gameList.head;
16241 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16242 DisplayError(_("Game list not loaded or empty"), 0);
16246 creatingBook = TRUE; // suppresses stuff during load game
16248 /* Get list size */
16249 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16250 if(lg->position >= 0) { // selected?
16251 LoadGame(f, nItem, "", TRUE);
16252 SaveGamePGN2(g); // leaves g open
16255 lg = (ListGame *) lg->node.succ;
16259 creatingBook = FALSE;
16267 ListGame * lg = (ListGame *) gameList.head;
16270 static int secondTime = FALSE;
16272 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16273 DisplayError(_("Game list not loaded or empty"), 0);
16277 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16280 DisplayNote(_("Book file exists! Try again for overwrite."));
16284 creatingBook = TRUE;
16285 secondTime = FALSE;
16287 /* Get list size */
16288 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16289 if(lg->position >= 0) {
16290 LoadGame(f, nItem, "", TRUE);
16291 AddGameToBook(TRUE);
16294 lg = (ListGame *) lg->node.succ;
16297 creatingBook = FALSE;
16304 if (appData.noChessProgram) return;
16305 switch (gameMode) {
16306 case MachinePlaysWhite:
16307 if (WhiteOnMove(forwardMostMove)) {
16308 DisplayError(_("Wait until your turn."), 0);
16312 case BeginningOfGame:
16313 case MachinePlaysBlack:
16314 if (!WhiteOnMove(forwardMostMove)) {
16315 DisplayError(_("Wait until your turn."), 0);
16320 EditPositionDone(TRUE);
16322 case TwoMachinesPlay:
16327 SendToProgram("bk\n", &first);
16328 bookOutput[0] = NULLCHAR;
16329 bookRequested = TRUE;
16335 char *tags = PGNTags(&gameInfo);
16336 TagsPopUp(tags, CmailMsg());
16340 /* end button procedures */
16343 PrintPosition (FILE *fp, int move)
16347 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16348 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16349 char c = PieceToChar(boards[move][i][j]);
16350 fputc(c == '?' ? '.' : c, fp);
16351 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16354 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16355 fprintf(fp, "white to play\n");
16357 fprintf(fp, "black to play\n");
16361 PrintOpponents (FILE *fp)
16363 if (gameInfo.white != NULL) {
16364 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16370 /* Find last component of program's own name, using some heuristics */
16372 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16375 int local = (strcmp(host, "localhost") == 0);
16376 while (!local && (p = strchr(prog, ';')) != NULL) {
16378 while (*p == ' ') p++;
16381 if (*prog == '"' || *prog == '\'') {
16382 q = strchr(prog + 1, *prog);
16384 q = strchr(prog, ' ');
16386 if (q == NULL) q = prog + strlen(prog);
16388 while (p >= prog && *p != '/' && *p != '\\') p--;
16390 if(p == prog && *p == '"') p++;
16392 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16393 memcpy(buf, p, q - p);
16394 buf[q - p] = NULLCHAR;
16402 TimeControlTagValue ()
16405 if (!appData.clockMode) {
16406 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16407 } else if (movesPerSession > 0) {
16408 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16409 } else if (timeIncrement == 0) {
16410 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16412 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16414 return StrSave(buf);
16420 /* This routine is used only for certain modes */
16421 VariantClass v = gameInfo.variant;
16422 ChessMove r = GameUnfinished;
16425 if(keepInfo) return;
16427 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16428 r = gameInfo.result;
16429 p = gameInfo.resultDetails;
16430 gameInfo.resultDetails = NULL;
16432 ClearGameInfo(&gameInfo);
16433 gameInfo.variant = v;
16435 switch (gameMode) {
16436 case MachinePlaysWhite:
16437 gameInfo.event = StrSave( appData.pgnEventHeader );
16438 gameInfo.site = StrSave(HostName());
16439 gameInfo.date = PGNDate();
16440 gameInfo.round = StrSave("-");
16441 gameInfo.white = StrSave(first.tidy);
16442 gameInfo.black = StrSave(UserName());
16443 gameInfo.timeControl = TimeControlTagValue();
16446 case MachinePlaysBlack:
16447 gameInfo.event = StrSave( appData.pgnEventHeader );
16448 gameInfo.site = StrSave(HostName());
16449 gameInfo.date = PGNDate();
16450 gameInfo.round = StrSave("-");
16451 gameInfo.white = StrSave(UserName());
16452 gameInfo.black = StrSave(first.tidy);
16453 gameInfo.timeControl = TimeControlTagValue();
16456 case TwoMachinesPlay:
16457 gameInfo.event = StrSave( appData.pgnEventHeader );
16458 gameInfo.site = StrSave(HostName());
16459 gameInfo.date = PGNDate();
16462 snprintf(buf, MSG_SIZ, "%d", roundNr);
16463 gameInfo.round = StrSave(buf);
16465 gameInfo.round = StrSave("-");
16467 if (first.twoMachinesColor[0] == 'w') {
16468 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16469 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16471 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16472 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16474 gameInfo.timeControl = TimeControlTagValue();
16478 gameInfo.event = StrSave("Edited game");
16479 gameInfo.site = StrSave(HostName());
16480 gameInfo.date = PGNDate();
16481 gameInfo.round = StrSave("-");
16482 gameInfo.white = StrSave("-");
16483 gameInfo.black = StrSave("-");
16484 gameInfo.result = r;
16485 gameInfo.resultDetails = p;
16489 gameInfo.event = StrSave("Edited position");
16490 gameInfo.site = StrSave(HostName());
16491 gameInfo.date = PGNDate();
16492 gameInfo.round = StrSave("-");
16493 gameInfo.white = StrSave("-");
16494 gameInfo.black = StrSave("-");
16497 case IcsPlayingWhite:
16498 case IcsPlayingBlack:
16503 case PlayFromGameFile:
16504 gameInfo.event = StrSave("Game from non-PGN file");
16505 gameInfo.site = StrSave(HostName());
16506 gameInfo.date = PGNDate();
16507 gameInfo.round = StrSave("-");
16508 gameInfo.white = StrSave("?");
16509 gameInfo.black = StrSave("?");
16518 ReplaceComment (int index, char *text)
16524 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16525 pvInfoList[index-1].depth == len &&
16526 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16527 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16528 while (*text == '\n') text++;
16529 len = strlen(text);
16530 while (len > 0 && text[len - 1] == '\n') len--;
16532 if (commentList[index] != NULL)
16533 free(commentList[index]);
16536 commentList[index] = NULL;
16539 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16540 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16541 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16542 commentList[index] = (char *) malloc(len + 2);
16543 strncpy(commentList[index], text, len);
16544 commentList[index][len] = '\n';
16545 commentList[index][len + 1] = NULLCHAR;
16547 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16549 commentList[index] = (char *) malloc(len + 7);
16550 safeStrCpy(commentList[index], "{\n", 3);
16551 safeStrCpy(commentList[index]+2, text, len+1);
16552 commentList[index][len+2] = NULLCHAR;
16553 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16554 strcat(commentList[index], "\n}\n");
16559 CrushCRs (char *text)
16567 if (ch == '\r') continue;
16569 } while (ch != '\0');
16573 AppendComment (int index, char *text, Boolean addBraces)
16574 /* addBraces tells if we should add {} */
16579 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16580 if(addBraces == 3) addBraces = 0; else // force appending literally
16581 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16584 while (*text == '\n') text++;
16585 len = strlen(text);
16586 while (len > 0 && text[len - 1] == '\n') len--;
16587 text[len] = NULLCHAR;
16589 if (len == 0) return;
16591 if (commentList[index] != NULL) {
16592 Boolean addClosingBrace = addBraces;
16593 old = commentList[index];
16594 oldlen = strlen(old);
16595 while(commentList[index][oldlen-1] == '\n')
16596 commentList[index][--oldlen] = NULLCHAR;
16597 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16598 safeStrCpy(commentList[index], old, oldlen + len + 6);
16600 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16601 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16602 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16603 while (*text == '\n') { text++; len--; }
16604 commentList[index][--oldlen] = NULLCHAR;
16606 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16607 else strcat(commentList[index], "\n");
16608 strcat(commentList[index], text);
16609 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16610 else strcat(commentList[index], "\n");
16612 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16614 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16615 else commentList[index][0] = NULLCHAR;
16616 strcat(commentList[index], text);
16617 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16618 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16623 FindStr (char * text, char * sub_text)
16625 char * result = strstr( text, sub_text );
16627 if( result != NULL ) {
16628 result += strlen( sub_text );
16634 /* [AS] Try to extract PV info from PGN comment */
16635 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16637 GetInfoFromComment (int index, char * text)
16639 char * sep = text, *p;
16641 if( text != NULL && index > 0 ) {
16644 int time = -1, sec = 0, deci;
16645 char * s_eval = FindStr( text, "[%eval " );
16646 char * s_emt = FindStr( text, "[%emt " );
16648 if( s_eval != NULL || s_emt != NULL ) {
16650 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16655 if( s_eval != NULL ) {
16656 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16660 if( delim != ']' ) {
16665 if( s_emt != NULL ) {
16670 /* We expect something like: [+|-]nnn.nn/dd */
16673 if(*text != '{') return text; // [HGM] braces: must be normal comment
16675 sep = strchr( text, '/' );
16676 if( sep == NULL || sep < (text+4) ) {
16681 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16682 if(p[1] == '(') { // comment starts with PV
16683 p = strchr(p, ')'); // locate end of PV
16684 if(p == NULL || sep < p+5) return text;
16685 // at this point we have something like "{(.*) +0.23/6 ..."
16686 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16687 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16688 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16690 time = -1; sec = -1; deci = -1;
16691 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16692 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16693 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16694 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16698 if( score_lo < 0 || score_lo >= 100 ) {
16702 if(sec >= 0) time = 600*time + 10*sec; else
16703 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16705 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16707 /* [HGM] PV time: now locate end of PV info */
16708 while( *++sep >= '0' && *sep <= '9'); // strip depth
16710 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16712 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16714 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16715 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16726 pvInfoList[index-1].depth = depth;
16727 pvInfoList[index-1].score = score;
16728 pvInfoList[index-1].time = 10*time; // centi-sec
16729 if(*sep == '}') *sep = 0; else *--sep = '{';
16730 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16736 SendToProgram (char *message, ChessProgramState *cps)
16738 int count, outCount, error;
16741 if (cps->pr == NoProc) return;
16744 if (appData.debugMode) {
16747 fprintf(debugFP, "%ld >%-6s: %s",
16748 SubtractTimeMarks(&now, &programStartTime),
16749 cps->which, message);
16751 fprintf(serverFP, "%ld >%-6s: %s",
16752 SubtractTimeMarks(&now, &programStartTime),
16753 cps->which, message), fflush(serverFP);
16756 count = strlen(message);
16757 outCount = OutputToProcess(cps->pr, message, count, &error);
16758 if (outCount < count && !exiting
16759 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16760 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16761 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16762 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16763 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16764 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16765 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16766 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16768 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16769 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16770 gameInfo.result = res;
16772 gameInfo.resultDetails = StrSave(buf);
16774 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16775 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16780 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16784 ChessProgramState *cps = (ChessProgramState *)closure;
16786 if (isr != cps->isr) return; /* Killed intentionally */
16789 RemoveInputSource(cps->isr);
16790 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16791 _(cps->which), cps->program);
16792 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16793 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16794 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16795 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16796 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16797 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16799 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16800 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16801 gameInfo.result = res;
16803 gameInfo.resultDetails = StrSave(buf);
16805 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16806 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16808 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16809 _(cps->which), cps->program);
16810 RemoveInputSource(cps->isr);
16812 /* [AS] Program is misbehaving badly... kill it */
16813 if( count == -2 ) {
16814 DestroyChildProcess( cps->pr, 9 );
16818 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16823 if ((end_str = strchr(message, '\r')) != NULL)
16824 *end_str = NULLCHAR;
16825 if ((end_str = strchr(message, '\n')) != NULL)
16826 *end_str = NULLCHAR;
16828 if (appData.debugMode) {
16829 TimeMark now; int print = 1;
16830 char *quote = ""; char c; int i;
16832 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16833 char start = message[0];
16834 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16835 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16836 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16837 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16838 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16839 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16840 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16841 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16842 sscanf(message, "hint: %c", &c)!=1 &&
16843 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16844 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16845 print = (appData.engineComments >= 2);
16847 message[0] = start; // restore original message
16851 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16852 SubtractTimeMarks(&now, &programStartTime), cps->which,
16856 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16857 SubtractTimeMarks(&now, &programStartTime), cps->which,
16859 message), fflush(serverFP);
16863 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16864 if (appData.icsEngineAnalyze) {
16865 if (strstr(message, "whisper") != NULL ||
16866 strstr(message, "kibitz") != NULL ||
16867 strstr(message, "tellics") != NULL) return;
16870 HandleMachineMove(message, cps);
16875 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16880 if( timeControl_2 > 0 ) {
16881 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16882 tc = timeControl_2;
16885 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16886 inc /= cps->timeOdds;
16887 st /= cps->timeOdds;
16889 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16892 /* Set exact time per move, normally using st command */
16893 if (cps->stKludge) {
16894 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16896 if (seconds == 0) {
16897 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16899 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16902 snprintf(buf, MSG_SIZ, "st %d\n", st);
16905 /* Set conventional or incremental time control, using level command */
16906 if (seconds == 0) {
16907 /* Note old gnuchess bug -- minutes:seconds used to not work.
16908 Fixed in later versions, but still avoid :seconds
16909 when seconds is 0. */
16910 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16912 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16913 seconds, inc/1000.);
16916 SendToProgram(buf, cps);
16918 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16919 /* Orthogonally, limit search to given depth */
16921 if (cps->sdKludge) {
16922 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16924 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16926 SendToProgram(buf, cps);
16929 if(cps->nps >= 0) { /* [HGM] nps */
16930 if(cps->supportsNPS == FALSE)
16931 cps->nps = -1; // don't use if engine explicitly says not supported!
16933 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16934 SendToProgram(buf, cps);
16939 ChessProgramState *
16941 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16943 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16944 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16950 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16952 char message[MSG_SIZ];
16955 /* Note: this routine must be called when the clocks are stopped
16956 or when they have *just* been set or switched; otherwise
16957 it will be off by the time since the current tick started.
16959 if (machineWhite) {
16960 time = whiteTimeRemaining / 10;
16961 otime = blackTimeRemaining / 10;
16963 time = blackTimeRemaining / 10;
16964 otime = whiteTimeRemaining / 10;
16966 /* [HGM] translate opponent's time by time-odds factor */
16967 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16969 if (time <= 0) time = 1;
16970 if (otime <= 0) otime = 1;
16972 snprintf(message, MSG_SIZ, "time %ld\n", time);
16973 SendToProgram(message, cps);
16975 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16976 SendToProgram(message, cps);
16980 EngineDefinedVariant (ChessProgramState *cps, int n)
16981 { // return name of n-th unknown variant that engine supports
16982 static char buf[MSG_SIZ];
16983 char *p, *s = cps->variants;
16984 if(!s) return NULL;
16985 do { // parse string from variants feature
16987 p = strchr(s, ',');
16988 if(p) *p = NULLCHAR;
16989 v = StringToVariant(s);
16990 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16991 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16992 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
16993 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
16994 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
16995 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
16996 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16999 if(n < 0) return buf;
17005 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17008 int len = strlen(name);
17011 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17013 sscanf(*p, "%d", &val);
17015 while (**p && **p != ' ')
17017 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17018 SendToProgram(buf, cps);
17025 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17028 int len = strlen(name);
17029 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17031 sscanf(*p, "%d", loc);
17032 while (**p && **p != ' ') (*p)++;
17033 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17034 SendToProgram(buf, cps);
17041 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
17044 int len = strlen(name);
17045 if (strncmp((*p), name, len) == 0
17046 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
17048 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
17049 sscanf(*p, "%[^\"]", *loc);
17050 while (**p && **p != '\"') (*p)++;
17051 if (**p == '\"') (*p)++;
17052 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17053 SendToProgram(buf, cps);
17060 ParseOption (Option *opt, ChessProgramState *cps)
17061 // [HGM] options: process the string that defines an engine option, and determine
17062 // name, type, default value, and allowed value range
17064 char *p, *q, buf[MSG_SIZ];
17065 int n, min = (-1)<<31, max = 1<<31, def;
17067 opt->target = &opt->value; // OK for spin/slider and checkbox
17068 if(p = strstr(opt->name, " -spin ")) {
17069 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17070 if(max < min) max = min; // enforce consistency
17071 if(def < min) def = min;
17072 if(def > max) def = max;
17077 } else if((p = strstr(opt->name, " -slider "))) {
17078 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
17079 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17080 if(max < min) max = min; // enforce consistency
17081 if(def < min) def = min;
17082 if(def > max) def = max;
17086 opt->type = Spin; // Slider;
17087 } else if((p = strstr(opt->name, " -string "))) {
17088 opt->textValue = p+9;
17089 opt->type = TextBox;
17090 opt->target = &opt->textValue;
17091 } else if((p = strstr(opt->name, " -file "))) {
17092 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17093 opt->target = opt->textValue = p+7;
17094 opt->type = FileName; // FileName;
17095 opt->target = &opt->textValue;
17096 } else if((p = strstr(opt->name, " -path "))) {
17097 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17098 opt->target = opt->textValue = p+7;
17099 opt->type = PathName; // PathName;
17100 opt->target = &opt->textValue;
17101 } else if(p = strstr(opt->name, " -check ")) {
17102 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
17103 opt->value = (def != 0);
17104 opt->type = CheckBox;
17105 } else if(p = strstr(opt->name, " -combo ")) {
17106 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
17107 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
17108 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
17109 opt->value = n = 0;
17110 while(q = StrStr(q, " /// ")) {
17111 n++; *q = 0; // count choices, and null-terminate each of them
17113 if(*q == '*') { // remember default, which is marked with * prefix
17117 cps->comboList[cps->comboCnt++] = q;
17119 cps->comboList[cps->comboCnt++] = NULL;
17121 opt->type = ComboBox;
17122 } else if(p = strstr(opt->name, " -button")) {
17123 opt->type = Button;
17124 } else if(p = strstr(opt->name, " -save")) {
17125 opt->type = SaveButton;
17126 } else return FALSE;
17127 *p = 0; // terminate option name
17128 // now look if the command-line options define a setting for this engine option.
17129 if(cps->optionSettings && cps->optionSettings[0])
17130 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17131 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17132 snprintf(buf, MSG_SIZ, "option %s", p);
17133 if(p = strstr(buf, ",")) *p = 0;
17134 if(q = strchr(buf, '=')) switch(opt->type) {
17136 for(n=0; n<opt->max; n++)
17137 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17140 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17144 opt->value = atoi(q+1);
17149 SendToProgram(buf, cps);
17155 FeatureDone (ChessProgramState *cps, int val)
17157 DelayedEventCallback cb = GetDelayedEvent();
17158 if ((cb == InitBackEnd3 && cps == &first) ||
17159 (cb == SettingsMenuIfReady && cps == &second) ||
17160 (cb == LoadEngine) ||
17161 (cb == TwoMachinesEventIfReady)) {
17162 CancelDelayedEvent();
17163 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17164 } else if(!val && !cps->reload) ClearOptions(cps); // let 'spurious' done=0 clear engine's option list
17165 cps->initDone = val;
17166 if(val) cps->reload = FALSE, RefreshSettingsDialog(cps, val);
17169 /* Parse feature command from engine */
17171 ParseFeatures (char *args, ChessProgramState *cps)
17179 while (*p == ' ') p++;
17180 if (*p == NULLCHAR) return;
17182 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17183 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17184 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17185 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17186 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17187 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17188 if (BoolFeature(&p, "reuse", &val, cps)) {
17189 /* Engine can disable reuse, but can't enable it if user said no */
17190 if (!val) cps->reuse = FALSE;
17193 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17194 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17195 if (gameMode == TwoMachinesPlay) {
17196 DisplayTwoMachinesTitle();
17202 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17203 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17204 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17205 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17206 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17207 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17208 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17209 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17210 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17211 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17212 if (IntFeature(&p, "done", &val, cps)) {
17213 FeatureDone(cps, val);
17216 /* Added by Tord: */
17217 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17218 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17219 /* End of additions by Tord */
17221 /* [HGM] added features: */
17222 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17223 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17224 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17225 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17226 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17227 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17228 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17229 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17230 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17231 FREE(cps->option[cps->nrOptions].name);
17232 cps->option[cps->nrOptions].name = q; q = NULL;
17233 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17234 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17235 SendToProgram(buf, cps);
17238 if(cps->nrOptions >= MAX_OPTIONS) {
17240 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17241 DisplayError(buf, 0);
17245 /* End of additions by HGM */
17247 /* unknown feature: complain and skip */
17249 while (*q && *q != '=') q++;
17250 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17251 SendToProgram(buf, cps);
17257 while (*p && *p != '\"') p++;
17258 if (*p == '\"') p++;
17260 while (*p && *p != ' ') p++;
17268 PeriodicUpdatesEvent (int newState)
17270 if (newState == appData.periodicUpdates)
17273 appData.periodicUpdates=newState;
17275 /* Display type changes, so update it now */
17276 // DisplayAnalysis();
17278 /* Get the ball rolling again... */
17280 AnalysisPeriodicEvent(1);
17281 StartAnalysisClock();
17286 PonderNextMoveEvent (int newState)
17288 if (newState == appData.ponderNextMove) return;
17289 if (gameMode == EditPosition) EditPositionDone(TRUE);
17291 SendToProgram("hard\n", &first);
17292 if (gameMode == TwoMachinesPlay) {
17293 SendToProgram("hard\n", &second);
17296 SendToProgram("easy\n", &first);
17297 thinkOutput[0] = NULLCHAR;
17298 if (gameMode == TwoMachinesPlay) {
17299 SendToProgram("easy\n", &second);
17302 appData.ponderNextMove = newState;
17306 NewSettingEvent (int option, int *feature, char *command, int value)
17310 if (gameMode == EditPosition) EditPositionDone(TRUE);
17311 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17312 if(feature == NULL || *feature) SendToProgram(buf, &first);
17313 if (gameMode == TwoMachinesPlay) {
17314 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17319 ShowThinkingEvent ()
17320 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17322 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17323 int newState = appData.showThinking
17324 // [HGM] thinking: other features now need thinking output as well
17325 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17327 if (oldState == newState) return;
17328 oldState = newState;
17329 if (gameMode == EditPosition) EditPositionDone(TRUE);
17331 SendToProgram("post\n", &first);
17332 if (gameMode == TwoMachinesPlay) {
17333 SendToProgram("post\n", &second);
17336 SendToProgram("nopost\n", &first);
17337 thinkOutput[0] = NULLCHAR;
17338 if (gameMode == TwoMachinesPlay) {
17339 SendToProgram("nopost\n", &second);
17342 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17346 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17348 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17349 if (pr == NoProc) return;
17350 AskQuestion(title, question, replyPrefix, pr);
17354 TypeInEvent (char firstChar)
17356 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17357 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17358 gameMode == AnalyzeMode || gameMode == EditGame ||
17359 gameMode == EditPosition || gameMode == IcsExamining ||
17360 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17361 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17362 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17363 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17364 gameMode == Training) PopUpMoveDialog(firstChar);
17368 TypeInDoneEvent (char *move)
17371 int n, fromX, fromY, toX, toY;
17373 ChessMove moveType;
17376 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17377 EditPositionPasteFEN(move);
17380 // [HGM] movenum: allow move number to be typed in any mode
17381 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17385 // undocumented kludge: allow command-line option to be typed in!
17386 // (potentially fatal, and does not implement the effect of the option.)
17387 // should only be used for options that are values on which future decisions will be made,
17388 // and definitely not on options that would be used during initialization.
17389 if(strstr(move, "!!! -") == move) {
17390 ParseArgsFromString(move+4);
17394 if (gameMode != EditGame && currentMove != forwardMostMove &&
17395 gameMode != Training) {
17396 DisplayMoveError(_("Displayed move is not current"));
17398 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17399 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17400 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17401 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17402 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17403 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17405 DisplayMoveError(_("Could not parse move"));
17411 DisplayMove (int moveNumber)
17413 char message[MSG_SIZ];
17415 char cpThinkOutput[MSG_SIZ];
17417 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17419 if (moveNumber == forwardMostMove - 1 ||
17420 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17422 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17424 if (strchr(cpThinkOutput, '\n')) {
17425 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17428 *cpThinkOutput = NULLCHAR;
17431 /* [AS] Hide thinking from human user */
17432 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17433 *cpThinkOutput = NULLCHAR;
17434 if( thinkOutput[0] != NULLCHAR ) {
17437 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17438 cpThinkOutput[i] = '.';
17440 cpThinkOutput[i] = NULLCHAR;
17441 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17445 if (moveNumber == forwardMostMove - 1 &&
17446 gameInfo.resultDetails != NULL) {
17447 if (gameInfo.resultDetails[0] == NULLCHAR) {
17448 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17450 snprintf(res, MSG_SIZ, " {%s} %s",
17451 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17457 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17458 DisplayMessage(res, cpThinkOutput);
17460 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17461 WhiteOnMove(moveNumber) ? " " : ".. ",
17462 parseList[moveNumber], res);
17463 DisplayMessage(message, cpThinkOutput);
17468 DisplayComment (int moveNumber, char *text)
17470 char title[MSG_SIZ];
17472 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17473 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17475 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17476 WhiteOnMove(moveNumber) ? " " : ".. ",
17477 parseList[moveNumber]);
17479 if (text != NULL && (appData.autoDisplayComment || commentUp))
17480 CommentPopUp(title, text);
17483 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17484 * might be busy thinking or pondering. It can be omitted if your
17485 * gnuchess is configured to stop thinking immediately on any user
17486 * input. However, that gnuchess feature depends on the FIONREAD
17487 * ioctl, which does not work properly on some flavors of Unix.
17490 Attention (ChessProgramState *cps)
17493 if (!cps->useSigint) return;
17494 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17495 switch (gameMode) {
17496 case MachinePlaysWhite:
17497 case MachinePlaysBlack:
17498 case TwoMachinesPlay:
17499 case IcsPlayingWhite:
17500 case IcsPlayingBlack:
17503 /* Skip if we know it isn't thinking */
17504 if (!cps->maybeThinking) return;
17505 if (appData.debugMode)
17506 fprintf(debugFP, "Interrupting %s\n", cps->which);
17507 InterruptChildProcess(cps->pr);
17508 cps->maybeThinking = FALSE;
17513 #endif /*ATTENTION*/
17519 if (whiteTimeRemaining <= 0) {
17522 if (appData.icsActive) {
17523 if (appData.autoCallFlag &&
17524 gameMode == IcsPlayingBlack && !blackFlag) {
17525 SendToICS(ics_prefix);
17526 SendToICS("flag\n");
17530 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17532 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17533 if (appData.autoCallFlag) {
17534 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17541 if (blackTimeRemaining <= 0) {
17544 if (appData.icsActive) {
17545 if (appData.autoCallFlag &&
17546 gameMode == IcsPlayingWhite && !whiteFlag) {
17547 SendToICS(ics_prefix);
17548 SendToICS("flag\n");
17552 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17554 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17555 if (appData.autoCallFlag) {
17556 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17567 CheckTimeControl ()
17569 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17570 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17573 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17575 if ( !WhiteOnMove(forwardMostMove) ) {
17576 /* White made time control */
17577 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17578 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17579 /* [HGM] time odds: correct new time quota for time odds! */
17580 / WhitePlayer()->timeOdds;
17581 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17583 lastBlack -= blackTimeRemaining;
17584 /* Black made time control */
17585 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17586 / WhitePlayer()->other->timeOdds;
17587 lastWhite = whiteTimeRemaining;
17592 DisplayBothClocks ()
17594 int wom = gameMode == EditPosition ?
17595 !blackPlaysFirst : WhiteOnMove(currentMove);
17596 DisplayWhiteClock(whiteTimeRemaining, wom);
17597 DisplayBlackClock(blackTimeRemaining, !wom);
17601 /* Timekeeping seems to be a portability nightmare. I think everyone
17602 has ftime(), but I'm really not sure, so I'm including some ifdefs
17603 to use other calls if you don't. Clocks will be less accurate if
17604 you have neither ftime nor gettimeofday.
17607 /* VS 2008 requires the #include outside of the function */
17608 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17609 #include <sys/timeb.h>
17612 /* Get the current time as a TimeMark */
17614 GetTimeMark (TimeMark *tm)
17616 #if HAVE_GETTIMEOFDAY
17618 struct timeval timeVal;
17619 struct timezone timeZone;
17621 gettimeofday(&timeVal, &timeZone);
17622 tm->sec = (long) timeVal.tv_sec;
17623 tm->ms = (int) (timeVal.tv_usec / 1000L);
17625 #else /*!HAVE_GETTIMEOFDAY*/
17628 // include <sys/timeb.h> / moved to just above start of function
17629 struct timeb timeB;
17632 tm->sec = (long) timeB.time;
17633 tm->ms = (int) timeB.millitm;
17635 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17636 tm->sec = (long) time(NULL);
17642 /* Return the difference in milliseconds between two
17643 time marks. We assume the difference will fit in a long!
17646 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17648 return 1000L*(tm2->sec - tm1->sec) +
17649 (long) (tm2->ms - tm1->ms);
17654 * Code to manage the game clocks.
17656 * In tournament play, black starts the clock and then white makes a move.
17657 * We give the human user a slight advantage if he is playing white---the
17658 * clocks don't run until he makes his first move, so it takes zero time.
17659 * Also, we don't account for network lag, so we could get out of sync
17660 * with GNU Chess's clock -- but then, referees are always right.
17663 static TimeMark tickStartTM;
17664 static long intendedTickLength;
17667 NextTickLength (long timeRemaining)
17669 long nominalTickLength, nextTickLength;
17671 if (timeRemaining > 0L && timeRemaining <= 10000L)
17672 nominalTickLength = 100L;
17674 nominalTickLength = 1000L;
17675 nextTickLength = timeRemaining % nominalTickLength;
17676 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17678 return nextTickLength;
17681 /* Adjust clock one minute up or down */
17683 AdjustClock (Boolean which, int dir)
17685 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17686 if(which) blackTimeRemaining += 60000*dir;
17687 else whiteTimeRemaining += 60000*dir;
17688 DisplayBothClocks();
17689 adjustedClock = TRUE;
17692 /* Stop clocks and reset to a fresh time control */
17696 (void) StopClockTimer();
17697 if (appData.icsActive) {
17698 whiteTimeRemaining = blackTimeRemaining = 0;
17699 } else if (searchTime) {
17700 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17701 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17702 } else { /* [HGM] correct new time quote for time odds */
17703 whiteTC = blackTC = fullTimeControlString;
17704 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17705 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17707 if (whiteFlag || blackFlag) {
17709 whiteFlag = blackFlag = FALSE;
17711 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17712 DisplayBothClocks();
17713 adjustedClock = FALSE;
17716 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17718 /* Decrement running clock by amount of time that has passed */
17722 long timeRemaining;
17723 long lastTickLength, fudge;
17726 if (!appData.clockMode) return;
17727 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17731 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17733 /* Fudge if we woke up a little too soon */
17734 fudge = intendedTickLength - lastTickLength;
17735 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17737 if (WhiteOnMove(forwardMostMove)) {
17738 if(whiteNPS >= 0) lastTickLength = 0;
17739 timeRemaining = whiteTimeRemaining -= lastTickLength;
17740 if(timeRemaining < 0 && !appData.icsActive) {
17741 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17742 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17743 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17744 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17747 DisplayWhiteClock(whiteTimeRemaining - fudge,
17748 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17750 if(blackNPS >= 0) lastTickLength = 0;
17751 timeRemaining = blackTimeRemaining -= lastTickLength;
17752 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17753 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17755 blackStartMove = forwardMostMove;
17756 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17759 DisplayBlackClock(blackTimeRemaining - fudge,
17760 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17762 if (CheckFlags()) return;
17764 if(twoBoards) { // count down secondary board's clocks as well
17765 activePartnerTime -= lastTickLength;
17767 if(activePartner == 'W')
17768 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17770 DisplayBlackClock(activePartnerTime, TRUE);
17775 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17776 StartClockTimer(intendedTickLength);
17778 /* if the time remaining has fallen below the alarm threshold, sound the
17779 * alarm. if the alarm has sounded and (due to a takeback or time control
17780 * with increment) the time remaining has increased to a level above the
17781 * threshold, reset the alarm so it can sound again.
17784 if (appData.icsActive && appData.icsAlarm) {
17786 /* make sure we are dealing with the user's clock */
17787 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17788 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17791 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17792 alarmSounded = FALSE;
17793 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17795 alarmSounded = TRUE;
17801 /* A player has just moved, so stop the previously running
17802 clock and (if in clock mode) start the other one.
17803 We redisplay both clocks in case we're in ICS mode, because
17804 ICS gives us an update to both clocks after every move.
17805 Note that this routine is called *after* forwardMostMove
17806 is updated, so the last fractional tick must be subtracted
17807 from the color that is *not* on move now.
17810 SwitchClocks (int newMoveNr)
17812 long lastTickLength;
17814 int flagged = FALSE;
17818 if (StopClockTimer() && appData.clockMode) {
17819 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17820 if (!WhiteOnMove(forwardMostMove)) {
17821 if(blackNPS >= 0) lastTickLength = 0;
17822 blackTimeRemaining -= lastTickLength;
17823 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17824 // if(pvInfoList[forwardMostMove].time == -1)
17825 pvInfoList[forwardMostMove].time = // use GUI time
17826 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17828 if(whiteNPS >= 0) lastTickLength = 0;
17829 whiteTimeRemaining -= lastTickLength;
17830 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17831 // if(pvInfoList[forwardMostMove].time == -1)
17832 pvInfoList[forwardMostMove].time =
17833 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17835 flagged = CheckFlags();
17837 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17838 CheckTimeControl();
17840 if (flagged || !appData.clockMode) return;
17842 switch (gameMode) {
17843 case MachinePlaysBlack:
17844 case MachinePlaysWhite:
17845 case BeginningOfGame:
17846 if (pausing) return;
17850 case PlayFromGameFile:
17858 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17859 if(WhiteOnMove(forwardMostMove))
17860 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17861 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17865 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17866 whiteTimeRemaining : blackTimeRemaining);
17867 StartClockTimer(intendedTickLength);
17871 /* Stop both clocks */
17875 long lastTickLength;
17878 if (!StopClockTimer()) return;
17879 if (!appData.clockMode) return;
17883 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17884 if (WhiteOnMove(forwardMostMove)) {
17885 if(whiteNPS >= 0) lastTickLength = 0;
17886 whiteTimeRemaining -= lastTickLength;
17887 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17889 if(blackNPS >= 0) lastTickLength = 0;
17890 blackTimeRemaining -= lastTickLength;
17891 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17896 /* Start clock of player on move. Time may have been reset, so
17897 if clock is already running, stop and restart it. */
17901 (void) StopClockTimer(); /* in case it was running already */
17902 DisplayBothClocks();
17903 if (CheckFlags()) return;
17905 if (!appData.clockMode) return;
17906 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17908 GetTimeMark(&tickStartTM);
17909 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17910 whiteTimeRemaining : blackTimeRemaining);
17912 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17913 whiteNPS = blackNPS = -1;
17914 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17915 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17916 whiteNPS = first.nps;
17917 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17918 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17919 blackNPS = first.nps;
17920 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17921 whiteNPS = second.nps;
17922 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17923 blackNPS = second.nps;
17924 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17926 StartClockTimer(intendedTickLength);
17930 TimeString (long ms)
17932 long second, minute, hour, day;
17934 static char buf[32];
17936 if (ms > 0 && ms <= 9900) {
17937 /* convert milliseconds to tenths, rounding up */
17938 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17940 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17944 /* convert milliseconds to seconds, rounding up */
17945 /* use floating point to avoid strangeness of integer division
17946 with negative dividends on many machines */
17947 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17954 day = second / (60 * 60 * 24);
17955 second = second % (60 * 60 * 24);
17956 hour = second / (60 * 60);
17957 second = second % (60 * 60);
17958 minute = second / 60;
17959 second = second % 60;
17962 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17963 sign, day, hour, minute, second);
17965 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17967 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17974 * This is necessary because some C libraries aren't ANSI C compliant yet.
17977 StrStr (char *string, char *match)
17981 length = strlen(match);
17983 for (i = strlen(string) - length; i >= 0; i--, string++)
17984 if (!strncmp(match, string, length))
17991 StrCaseStr (char *string, char *match)
17995 length = strlen(match);
17997 for (i = strlen(string) - length; i >= 0; i--, string++) {
17998 for (j = 0; j < length; j++) {
17999 if (ToLower(match[j]) != ToLower(string[j]))
18002 if (j == length) return string;
18010 StrCaseCmp (char *s1, char *s2)
18015 c1 = ToLower(*s1++);
18016 c2 = ToLower(*s2++);
18017 if (c1 > c2) return 1;
18018 if (c1 < c2) return -1;
18019 if (c1 == NULLCHAR) return 0;
18027 return isupper(c) ? tolower(c) : c;
18034 return islower(c) ? toupper(c) : c;
18036 #endif /* !_amigados */
18043 if ((ret = (char *) malloc(strlen(s) + 1)))
18045 safeStrCpy(ret, s, strlen(s)+1);
18051 StrSavePtr (char *s, char **savePtr)
18056 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
18057 safeStrCpy(*savePtr, s, strlen(s)+1);
18069 clock = time((time_t *)NULL);
18070 tm = localtime(&clock);
18071 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
18072 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
18073 return StrSave(buf);
18078 PositionToFEN (int move, char *overrideCastling, int moveCounts)
18080 int i, j, fromX, fromY, toX, toY;
18081 int whiteToPlay, haveRights = nrCastlingRights;
18087 whiteToPlay = (gameMode == EditPosition) ?
18088 !blackPlaysFirst : (move % 2 == 0);
18091 /* Piece placement data */
18092 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18093 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
18095 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
18096 if (boards[move][i][j] == EmptySquare) {
18098 } else { ChessSquare piece = boards[move][i][j];
18099 if (emptycount > 0) {
18100 if(emptycount<10) /* [HGM] can be >= 10 */
18101 *p++ = '0' + emptycount;
18102 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18105 if(PieceToChar(piece) == '+') {
18106 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
18108 piece = (ChessSquare)(CHUDEMOTED(piece));
18110 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
18111 if(*p = PieceSuffix(piece)) p++;
18113 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
18114 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED(piece)));
18119 if (emptycount > 0) {
18120 if(emptycount<10) /* [HGM] can be >= 10 */
18121 *p++ = '0' + emptycount;
18122 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18129 /* [HGM] print Crazyhouse or Shogi holdings */
18130 if( gameInfo.holdingsWidth ) {
18131 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18133 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18134 piece = boards[move][i][BOARD_WIDTH-1];
18135 if( piece != EmptySquare )
18136 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18137 *p++ = PieceToChar(piece);
18139 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18140 piece = boards[move][BOARD_HEIGHT-i-1][0];
18141 if( piece != EmptySquare )
18142 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
18143 *p++ = PieceToChar(piece);
18146 if( q == p ) *p++ = '-';
18152 *p++ = whiteToPlay ? 'w' : 'b';
18155 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18156 haveRights = 0; q = p;
18157 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18158 piece = boards[move][0][i];
18159 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18160 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18163 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18164 piece = boards[move][BOARD_HEIGHT-1][i];
18165 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18166 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18169 if(p == q) *p++ = '-';
18173 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18174 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
18177 int handW=0, handB=0;
18178 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18179 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18180 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18183 if(appData.fischerCastling) {
18184 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18185 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18186 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18188 /* [HGM] write directly from rights */
18189 if(boards[move][CASTLING][2] != NoRights &&
18190 boards[move][CASTLING][0] != NoRights )
18191 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18192 if(boards[move][CASTLING][2] != NoRights &&
18193 boards[move][CASTLING][1] != NoRights )
18194 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18197 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18198 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18200 if(boards[move][CASTLING][5] != NoRights &&
18201 boards[move][CASTLING][3] != NoRights )
18202 *p++ = boards[move][CASTLING][3] + AAA;
18203 if(boards[move][CASTLING][5] != NoRights &&
18204 boards[move][CASTLING][4] != NoRights )
18205 *p++ = boards[move][CASTLING][4] + AAA;
18209 /* [HGM] write true castling rights */
18210 if( nrCastlingRights == 6 ) {
18212 if(boards[move][CASTLING][0] != NoRights &&
18213 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18214 q = (boards[move][CASTLING][1] != NoRights &&
18215 boards[move][CASTLING][2] != NoRights );
18216 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18217 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18218 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18219 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18223 if(boards[move][CASTLING][3] != NoRights &&
18224 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18225 q = (boards[move][CASTLING][4] != NoRights &&
18226 boards[move][CASTLING][5] != NoRights );
18228 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18229 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18230 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18235 if (q == p) *p++ = '-'; /* No castling rights */
18239 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18240 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18241 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18242 /* En passant target square */
18243 if (move > backwardMostMove) {
18244 fromX = moveList[move - 1][0] - AAA;
18245 fromY = moveList[move - 1][1] - ONE;
18246 toX = moveList[move - 1][2] - AAA;
18247 toY = moveList[move - 1][3] - ONE;
18248 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
18249 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
18250 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
18252 /* 2-square pawn move just happened */
18254 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18258 } else if(move == backwardMostMove) {
18259 // [HGM] perhaps we should always do it like this, and forget the above?
18260 if((signed char)boards[move][EP_STATUS] >= 0) {
18261 *p++ = boards[move][EP_STATUS] + AAA;
18262 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18274 { int i = 0, j=move;
18276 /* [HGM] find reversible plies */
18277 if (appData.debugMode) { int k;
18278 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18279 for(k=backwardMostMove; k<=forwardMostMove; k++)
18280 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18284 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18285 if( j == backwardMostMove ) i += initialRulePlies;
18286 sprintf(p, "%d ", i);
18287 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18289 /* Fullmove number */
18290 sprintf(p, "%d", (move / 2) + 1);
18291 } else *--p = NULLCHAR;
18293 return StrSave(buf);
18297 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18299 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18301 int emptycount, virgin[BOARD_FILES];
18302 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18306 /* Piece placement data */
18307 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18310 if (*p == '/' || *p == ' ' || *p == '[' ) {
18312 emptycount = gameInfo.boardWidth - j;
18313 while (emptycount--)
18314 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18315 if (*p == '/') p++;
18316 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18317 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18318 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18320 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18323 #if(BOARD_FILES >= 10)*0
18324 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18325 p++; emptycount=10;
18326 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18327 while (emptycount--)
18328 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18330 } else if (*p == '*') {
18331 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18332 } else if (isdigit(*p)) {
18333 emptycount = *p++ - '0';
18334 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18335 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18336 while (emptycount--)
18337 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18338 } else if (*p == '<') {
18339 if(i == BOARD_HEIGHT-1) shuffle = 1;
18340 else if (i != 0 || !shuffle) return FALSE;
18342 } else if (shuffle && *p == '>') {
18343 p++; // for now ignore closing shuffle range, and assume rank-end
18344 } else if (*p == '?') {
18345 if (j >= gameInfo.boardWidth) return FALSE;
18346 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18347 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18348 } else if (*p == '+' || isalpha(*p)) {
18349 char *q, *s = SUFFIXES;
18350 if (j >= gameInfo.boardWidth) return FALSE;
18353 if(q = strchr(s, p[1])) p++;
18354 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18355 if(piece == EmptySquare) return FALSE; /* unknown piece */
18356 piece = (ChessSquare) (CHUPROMOTED(piece)); p++;
18357 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18360 if(q = strchr(s, *p)) p++;
18361 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18364 if(piece==EmptySquare) return FALSE; /* unknown piece */
18365 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18366 piece = (ChessSquare) (PROMOTED(piece));
18367 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18370 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18371 if(piece == king) wKingRank = i;
18372 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18378 while (*p == '/' || *p == ' ') p++;
18380 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18382 /* [HGM] by default clear Crazyhouse holdings, if present */
18383 if(gameInfo.holdingsWidth) {
18384 for(i=0; i<BOARD_HEIGHT; i++) {
18385 board[i][0] = EmptySquare; /* black holdings */
18386 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18387 board[i][1] = (ChessSquare) 0; /* black counts */
18388 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18392 /* [HGM] look for Crazyhouse holdings here */
18393 while(*p==' ') p++;
18394 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18395 int swap=0, wcnt=0, bcnt=0;
18397 if(*p == '<') swap++, p++;
18398 if(*p == '-' ) p++; /* empty holdings */ else {
18399 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18400 /* if we would allow FEN reading to set board size, we would */
18401 /* have to add holdings and shift the board read so far here */
18402 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18404 if((int) piece >= (int) BlackPawn ) {
18405 i = (int)piece - (int)BlackPawn;
18406 i = PieceToNumber((ChessSquare)i);
18407 if( i >= gameInfo.holdingsSize ) return FALSE;
18408 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18409 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18412 i = (int)piece - (int)WhitePawn;
18413 i = PieceToNumber((ChessSquare)i);
18414 if( i >= gameInfo.holdingsSize ) return FALSE;
18415 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18416 board[i][BOARD_WIDTH-2]++; /* black holdings */
18420 if(subst) { // substitute back-rank question marks by holdings pieces
18421 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18422 int k, m, n = bcnt + 1;
18423 if(board[0][j] == ClearBoard) {
18424 if(!wcnt) return FALSE;
18426 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18427 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18428 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18432 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18433 if(!bcnt) return FALSE;
18434 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18435 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18436 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18437 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18448 if(subst) return FALSE; // substitution requested, but no holdings
18450 while(*p == ' ') p++;
18454 if(appData.colorNickNames) {
18455 if( c == appData.colorNickNames[0] ) c = 'w'; else
18456 if( c == appData.colorNickNames[1] ) c = 'b';
18460 *blackPlaysFirst = FALSE;
18463 *blackPlaysFirst = TRUE;
18469 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18470 /* return the extra info in global variiables */
18472 while(*p==' ') p++;
18474 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18475 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18476 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18479 /* set defaults in case FEN is incomplete */
18480 board[EP_STATUS] = EP_UNKNOWN;
18481 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18482 for(i=0; i<nrCastlingRights; i++ ) {
18483 board[CASTLING][i] =
18484 appData.fischerCastling ? NoRights : initialRights[i];
18485 } /* assume possible unless obviously impossible */
18486 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18487 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18488 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18489 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18490 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18491 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18492 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18493 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18496 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18499 while(isalpha(*p)) {
18500 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18501 if(islower(*p)) b |= 1 << (*p++ - 'a');
18505 board[TOUCHED_W] = ~w;
18506 board[TOUCHED_B] = ~b;
18507 while(*p == ' ') p++;
18511 if(nrCastlingRights) {
18513 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18514 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18515 /* castling indicator present, so default becomes no castlings */
18516 for(i=0; i<nrCastlingRights; i++ ) {
18517 board[CASTLING][i] = NoRights;
18520 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18521 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18522 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18523 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18524 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18526 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18527 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18528 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18530 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18531 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18532 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18533 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18534 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18535 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18538 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18539 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18540 board[CASTLING][2] = whiteKingFile;
18541 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18542 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18543 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18546 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18547 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18548 board[CASTLING][2] = whiteKingFile;
18549 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18550 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18551 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18554 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18555 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18556 board[CASTLING][5] = blackKingFile;
18557 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18558 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18559 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18562 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18563 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18564 board[CASTLING][5] = blackKingFile;
18565 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18566 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18567 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18570 default: /* FRC castlings */
18571 if(c >= 'a') { /* black rights */
18572 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18573 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18574 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18575 if(i == BOARD_RGHT) break;
18576 board[CASTLING][5] = i;
18578 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18579 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18581 board[CASTLING][3] = c;
18583 board[CASTLING][4] = c;
18584 } else { /* white rights */
18585 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18586 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18587 if(board[0][i] == WhiteKing) break;
18588 if(i == BOARD_RGHT) break;
18589 board[CASTLING][2] = i;
18590 c -= AAA - 'a' + 'A';
18591 if(board[0][c] >= WhiteKing) break;
18593 board[CASTLING][0] = c;
18595 board[CASTLING][1] = c;
18599 for(i=0; i<nrCastlingRights; i++)
18600 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18601 if(gameInfo.variant == VariantSChess)
18602 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18603 if(fischer && shuffle) appData.fischerCastling = TRUE;
18604 if (appData.debugMode) {
18605 fprintf(debugFP, "FEN castling rights:");
18606 for(i=0; i<nrCastlingRights; i++)
18607 fprintf(debugFP, " %d", board[CASTLING][i]);
18608 fprintf(debugFP, "\n");
18611 while(*p==' ') p++;
18614 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18616 /* read e.p. field in games that know e.p. capture */
18617 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18618 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18619 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18621 p++; board[EP_STATUS] = EP_NONE;
18623 char c = *p++ - AAA;
18625 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18626 if(*p >= '0' && *p <='9') p++;
18627 board[EP_STATUS] = c;
18632 if(sscanf(p, "%d", &i) == 1) {
18633 FENrulePlies = i; /* 50-move ply counter */
18634 /* (The move number is still ignored) */
18641 EditPositionPasteFEN (char *fen)
18644 Board initial_position;
18646 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18647 DisplayError(_("Bad FEN position in clipboard"), 0);
18650 int savedBlackPlaysFirst = blackPlaysFirst;
18651 EditPositionEvent();
18652 blackPlaysFirst = savedBlackPlaysFirst;
18653 CopyBoard(boards[0], initial_position);
18654 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18655 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18656 DisplayBothClocks();
18657 DrawPosition(FALSE, boards[currentMove]);
18662 static char cseq[12] = "\\ ";
18665 set_cont_sequence (char *new_seq)
18670 // handle bad attempts to set the sequence
18672 return 0; // acceptable error - no debug
18674 len = strlen(new_seq);
18675 ret = (len > 0) && (len < sizeof(cseq));
18677 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18678 else if (appData.debugMode)
18679 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18684 reformat a source message so words don't cross the width boundary. internal
18685 newlines are not removed. returns the wrapped size (no null character unless
18686 included in source message). If dest is NULL, only calculate the size required
18687 for the dest buffer. lp argument indicats line position upon entry, and it's
18688 passed back upon exit.
18691 wrap (char *dest, char *src, int count, int width, int *lp)
18693 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18695 cseq_len = strlen(cseq);
18696 old_line = line = *lp;
18697 ansi = len = clen = 0;
18699 for (i=0; i < count; i++)
18701 if (src[i] == '\033')
18704 // if we hit the width, back up
18705 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18707 // store i & len in case the word is too long
18708 old_i = i, old_len = len;
18710 // find the end of the last word
18711 while (i && src[i] != ' ' && src[i] != '\n')
18717 // word too long? restore i & len before splitting it
18718 if ((old_i-i+clen) >= width)
18725 if (i && src[i-1] == ' ')
18728 if (src[i] != ' ' && src[i] != '\n')
18735 // now append the newline and continuation sequence
18740 strncpy(dest+len, cseq, cseq_len);
18748 dest[len] = src[i];
18752 if (src[i] == '\n')
18757 if (dest && appData.debugMode)
18759 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18760 count, width, line, len, *lp);
18761 show_bytes(debugFP, src, count);
18762 fprintf(debugFP, "\ndest: ");
18763 show_bytes(debugFP, dest, len);
18764 fprintf(debugFP, "\n");
18766 *lp = dest ? line : old_line;
18771 // [HGM] vari: routines for shelving variations
18772 Boolean modeRestore = FALSE;
18775 PushInner (int firstMove, int lastMove)
18777 int i, j, nrMoves = lastMove - firstMove;
18779 // push current tail of game on stack
18780 savedResult[storedGames] = gameInfo.result;
18781 savedDetails[storedGames] = gameInfo.resultDetails;
18782 gameInfo.resultDetails = NULL;
18783 savedFirst[storedGames] = firstMove;
18784 savedLast [storedGames] = lastMove;
18785 savedFramePtr[storedGames] = framePtr;
18786 framePtr -= nrMoves; // reserve space for the boards
18787 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18788 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18789 for(j=0; j<MOVE_LEN; j++)
18790 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18791 for(j=0; j<2*MOVE_LEN; j++)
18792 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18793 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18794 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18795 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18796 pvInfoList[firstMove+i-1].depth = 0;
18797 commentList[framePtr+i] = commentList[firstMove+i];
18798 commentList[firstMove+i] = NULL;
18802 forwardMostMove = firstMove; // truncate game so we can start variation
18806 PushTail (int firstMove, int lastMove)
18808 if(appData.icsActive) { // only in local mode
18809 forwardMostMove = currentMove; // mimic old ICS behavior
18812 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18814 PushInner(firstMove, lastMove);
18815 if(storedGames == 1) GreyRevert(FALSE);
18816 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18820 PopInner (Boolean annotate)
18823 char buf[8000], moveBuf[20];
18825 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18826 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18827 nrMoves = savedLast[storedGames] - currentMove;
18830 if(!WhiteOnMove(currentMove))
18831 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18832 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18833 for(i=currentMove; i<forwardMostMove; i++) {
18835 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18836 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18837 strcat(buf, moveBuf);
18838 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18839 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18843 for(i=1; i<=nrMoves; i++) { // copy last variation back
18844 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18845 for(j=0; j<MOVE_LEN; j++)
18846 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18847 for(j=0; j<2*MOVE_LEN; j++)
18848 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18849 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18850 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18851 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18852 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18853 commentList[currentMove+i] = commentList[framePtr+i];
18854 commentList[framePtr+i] = NULL;
18856 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18857 framePtr = savedFramePtr[storedGames];
18858 gameInfo.result = savedResult[storedGames];
18859 if(gameInfo.resultDetails != NULL) {
18860 free(gameInfo.resultDetails);
18862 gameInfo.resultDetails = savedDetails[storedGames];
18863 forwardMostMove = currentMove + nrMoves;
18867 PopTail (Boolean annotate)
18869 if(appData.icsActive) return FALSE; // only in local mode
18870 if(!storedGames) return FALSE; // sanity
18871 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18873 PopInner(annotate);
18874 if(currentMove < forwardMostMove) ForwardEvent(); else
18875 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18877 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18883 { // remove all shelved variations
18885 for(i=0; i<storedGames; i++) {
18886 if(savedDetails[i])
18887 free(savedDetails[i]);
18888 savedDetails[i] = NULL;
18890 for(i=framePtr; i<MAX_MOVES; i++) {
18891 if(commentList[i]) free(commentList[i]);
18892 commentList[i] = NULL;
18894 framePtr = MAX_MOVES-1;
18899 LoadVariation (int index, char *text)
18900 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18901 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18902 int level = 0, move;
18904 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18905 // first find outermost bracketing variation
18906 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18907 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18908 if(*p == '{') wait = '}'; else
18909 if(*p == '[') wait = ']'; else
18910 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18911 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18913 if(*p == wait) wait = NULLCHAR; // closing ]} found
18916 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18917 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18918 end[1] = NULLCHAR; // clip off comment beyond variation
18919 ToNrEvent(currentMove-1);
18920 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18921 // kludge: use ParsePV() to append variation to game
18922 move = currentMove;
18923 ParsePV(start, TRUE, TRUE);
18924 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18925 ClearPremoveHighlights();
18927 ToNrEvent(currentMove+1);
18933 char *p, *q, buf[MSG_SIZ];
18934 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18935 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18936 ParseArgsFromString(buf);
18937 ActivateTheme(TRUE); // also redo colors
18941 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18944 q = appData.themeNames;
18945 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18946 if(appData.useBitmaps) {
18947 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18948 appData.liteBackTextureFile, appData.darkBackTextureFile,
18949 appData.liteBackTextureMode,
18950 appData.darkBackTextureMode );
18952 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18953 Col2Text(2), // lightSquareColor
18954 Col2Text(3) ); // darkSquareColor
18956 if(appData.useBorder) {
18957 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18960 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18962 if(appData.useFont) {
18963 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18964 appData.renderPiecesWithFont,
18965 appData.fontToPieceTable,
18966 Col2Text(9), // appData.fontBackColorWhite
18967 Col2Text(10) ); // appData.fontForeColorBlack
18969 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18970 appData.pieceDirectory);
18971 if(!appData.pieceDirectory[0])
18972 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18973 Col2Text(0), // whitePieceColor
18974 Col2Text(1) ); // blackPieceColor
18976 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18977 Col2Text(4), // highlightSquareColor
18978 Col2Text(5) ); // premoveHighlightColor
18979 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18980 if(insert != q) insert[-1] = NULLCHAR;
18981 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18984 ActivateTheme(FALSE);