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 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 #define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
62 #define DoSleep( n ) if( (n) >= 0) sleep(n)
72 #include <sys/types.h>
81 #else /* not STDC_HEADERS */
84 # else /* not HAVE_STRING_H */
86 # endif /* not HAVE_STRING_H */
87 #endif /* not STDC_HEADERS */
90 # include <sys/fcntl.h>
91 #else /* not HAVE_SYS_FCNTL_H */
94 # endif /* HAVE_FCNTL_H */
95 #endif /* not HAVE_SYS_FCNTL_H */
97 #if TIME_WITH_SYS_TIME
98 # include <sys/time.h>
102 # include <sys/time.h>
108 #if defined(_amigados) && !defined(__GNUC__)
113 extern int gettimeofday(struct timeval *, struct timezone *);
121 #include "frontend.h"
128 #include "backendz.h"
132 # define _(s) gettext (s)
133 # define N_(s) gettext_noop (s)
134 # define T_(s) gettext(s)
147 /* A point in time */
149 long sec; /* Assuming this is >= 32 bits */
150 int ms; /* Assuming this is >= 16 bits */
153 int establish P((void));
154 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
156 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
157 char *buf, int count, int error));
158 void ics_printf P((char *format, ...));
159 void SendToICS P((char *s));
160 void SendToICSDelayed P((char *s, long msdelay));
161 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
162 void HandleMachineMove P((char *message, ChessProgramState *cps));
163 int AutoPlayOneMove P((void));
164 int LoadGameOneMove P((ChessMove readAhead));
165 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
166 int LoadPositionFromFile P((char *filename, int n, char *title));
167 int SavePositionToFile P((char *filename));
168 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
170 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
171 void ShowMove P((int fromX, int fromY, int toX, int toY));
172 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
173 /*char*/int promoChar));
174 void BackwardInner P((int target));
175 void ForwardInner P((int target));
176 int Adjudicate P((ChessProgramState *cps));
177 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
178 void EditPositionDone P((Boolean fakeRights));
179 void PrintOpponents P((FILE *fp));
180 void PrintPosition P((FILE *fp, int move));
181 void StartChessProgram P((ChessProgramState *cps));
182 void SendToProgram P((char *message, ChessProgramState *cps));
183 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
184 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
185 char *buf, int count, int error));
186 void SendTimeControl P((ChessProgramState *cps,
187 int mps, long tc, int inc, int sd, int st));
188 char *TimeControlTagValue P((void));
189 void Attention P((ChessProgramState *cps));
190 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
191 void ResurrectChessProgram P((void));
192 void DisplayComment P((int moveNumber, char *text));
193 void DisplayMove P((int moveNumber));
195 void ParseGameHistory P((char *game));
196 void ParseBoard12 P((char *string));
197 void KeepAlive P((void));
198 void StartClocks P((void));
199 void SwitchClocks P((int nr));
200 void StopClocks P((void));
201 void ResetClocks P((void));
202 char *PGNDate P((void));
203 void SetGameInfo P((void));
204 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
205 int RegisterMove P((void));
206 void MakeRegisteredMove P((void));
207 void TruncateGame P((void));
208 int looking_at P((char *, int *, char *));
209 void CopyPlayerNameIntoFileName P((char **, char *));
210 char *SavePart P((char *));
211 int SaveGameOldStyle P((FILE *));
212 int SaveGamePGN P((FILE *));
213 void GetTimeMark P((TimeMark *));
214 long SubtractTimeMarks P((TimeMark *, TimeMark *));
215 int CheckFlags P((void));
216 long NextTickLength P((long));
217 void CheckTimeControl P((void));
218 void show_bytes P((FILE *, char *, int));
219 int string_to_rating P((char *str));
220 void ParseFeatures P((char* args, ChessProgramState *cps));
221 void InitBackEnd3 P((void));
222 void FeatureDone P((ChessProgramState* cps, int val));
223 void InitChessProgram P((ChessProgramState *cps, int setup));
224 void OutputKibitz(int window, char *text);
225 int PerpetualChase(int first, int last);
226 int EngineOutputIsUp();
227 void InitDrawingSizes(int x, int y);
230 extern void ConsoleCreate();
233 ChessProgramState *WhitePlayer();
234 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
235 int VerifyDisplayMode P(());
237 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
238 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
239 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
240 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
241 void ics_update_width P((int new_width));
242 extern char installDir[MSG_SIZ];
243 VariantClass startVariant; /* [HGM] nicks: initial variant */
245 extern int tinyLayout, smallLayout;
246 ChessProgramStats programStats;
247 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
249 static int exiting = 0; /* [HGM] moved to top */
250 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
251 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
252 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
253 int partnerHighlight[2];
254 Boolean partnerBoardValid = 0;
255 char partnerStatus[MSG_SIZ];
257 Boolean originalFlip;
258 Boolean twoBoards = 0;
259 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
260 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
261 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
262 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
263 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
264 int opponentKibitzes;
265 int lastSavedGame; /* [HGM] save: ID of game */
266 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
267 extern int chatCount;
269 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
271 /* States for ics_getting_history */
273 #define H_REQUESTED 1
274 #define H_GOT_REQ_HEADER 2
275 #define H_GOT_UNREQ_HEADER 3
276 #define H_GETTING_MOVES 4
277 #define H_GOT_UNWANTED_HEADER 5
279 /* whosays values for GameEnds */
288 /* Maximum number of games in a cmail message */
289 #define CMAIL_MAX_GAMES 20
291 /* Different types of move when calling RegisterMove */
293 #define CMAIL_RESIGN 1
295 #define CMAIL_ACCEPT 3
297 /* Different types of result to remember for each game */
298 #define CMAIL_NOT_RESULT 0
299 #define CMAIL_OLD_RESULT 1
300 #define CMAIL_NEW_RESULT 2
302 /* Telnet protocol constants */
313 safeStrCpy( char *dst, const char *src, size_t count )
316 assert( dst != NULL );
317 assert( src != NULL );
320 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
321 if( i == count && dst[count-1] != NULLCHAR)
323 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
324 if(appData.debugMode)
325 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst,count);
331 /* Some compiler can't cast u64 to double
332 * This function do the job for us:
334 * We use the highest bit for cast, this only
335 * works if the highest bit is not
336 * in use (This should not happen)
338 * We used this for all compiler
341 u64ToDouble(u64 value)
344 u64 tmp = value & u64Const(0x7fffffffffffffff);
345 r = (double)(s64)tmp;
346 if (value & u64Const(0x8000000000000000))
347 r += 9.2233720368547758080e18; /* 2^63 */
351 /* Fake up flags for now, as we aren't keeping track of castling
352 availability yet. [HGM] Change of logic: the flag now only
353 indicates the type of castlings allowed by the rule of the game.
354 The actual rights themselves are maintained in the array
355 castlingRights, as part of the game history, and are not probed
361 int flags = F_ALL_CASTLE_OK;
362 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
363 switch (gameInfo.variant) {
365 flags &= ~F_ALL_CASTLE_OK;
366 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
367 flags |= F_IGNORE_CHECK;
369 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
372 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
374 case VariantKriegspiel:
375 flags |= F_KRIEGSPIEL_CAPTURE;
377 case VariantCapaRandom:
378 case VariantFischeRandom:
379 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
380 case VariantNoCastle:
381 case VariantShatranj:
384 flags &= ~F_ALL_CASTLE_OK;
392 FILE *gameFileFP, *debugFP;
395 [AS] Note: sometimes, the sscanf() function is used to parse the input
396 into a fixed-size buffer. Because of this, we must be prepared to
397 receive strings as long as the size of the input buffer, which is currently
398 set to 4K for Windows and 8K for the rest.
399 So, we must either allocate sufficiently large buffers here, or
400 reduce the size of the input buffer in the input reading part.
403 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
404 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
405 char thinkOutput1[MSG_SIZ*10];
407 ChessProgramState first, second;
409 /* premove variables */
412 int premoveFromX = 0;
413 int premoveFromY = 0;
414 int premovePromoChar = 0;
416 Boolean alarmSounded;
417 /* end premove variables */
419 char *ics_prefix = "$";
420 int ics_type = ICS_GENERIC;
422 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
423 int pauseExamForwardMostMove = 0;
424 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
425 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
426 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
427 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
428 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
429 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
430 int whiteFlag = FALSE, blackFlag = FALSE;
431 int userOfferedDraw = FALSE;
432 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
433 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
434 int cmailMoveType[CMAIL_MAX_GAMES];
435 long ics_clock_paused = 0;
436 ProcRef icsPR = NoProc, cmailPR = NoProc;
437 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
438 GameMode gameMode = BeginningOfGame;
439 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
440 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
441 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
442 int hiddenThinkOutputState = 0; /* [AS] */
443 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
444 int adjudicateLossPlies = 6;
445 char white_holding[64], black_holding[64];
446 TimeMark lastNodeCountTime;
447 long lastNodeCount=0;
448 int shiftKey; // [HGM] set by mouse handler
450 int have_sent_ICS_logon = 0;
452 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
453 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
454 long timeControl_2; /* [AS] Allow separate time controls */
455 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
456 long timeRemaining[2][MAX_MOVES];
458 TimeMark programStartTime;
459 char ics_handle[MSG_SIZ];
460 int have_set_title = 0;
462 /* animateTraining preserves the state of appData.animate
463 * when Training mode is activated. This allows the
464 * response to be animated when appData.animate == TRUE and
465 * appData.animateDragging == TRUE.
467 Boolean animateTraining;
473 Board boards[MAX_MOVES];
474 /* [HGM] Following 7 needed for accurate legality tests: */
475 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
476 signed char initialRights[BOARD_FILES];
477 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
478 int initialRulePlies, FENrulePlies;
479 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
482 int mute; // mute all sounds
484 // [HGM] vari: next 12 to save and restore variations
485 #define MAX_VARIATIONS 10
486 int framePtr = MAX_MOVES-1; // points to free stack entry
488 int savedFirst[MAX_VARIATIONS];
489 int savedLast[MAX_VARIATIONS];
490 int savedFramePtr[MAX_VARIATIONS];
491 char *savedDetails[MAX_VARIATIONS];
492 ChessMove savedResult[MAX_VARIATIONS];
494 void PushTail P((int firstMove, int lastMove));
495 Boolean PopTail P((Boolean annotate));
496 void CleanupTail P((void));
498 ChessSquare FIDEArray[2][BOARD_FILES] = {
499 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
500 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
501 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
502 BlackKing, BlackBishop, BlackKnight, BlackRook }
505 ChessSquare twoKingsArray[2][BOARD_FILES] = {
506 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
507 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
508 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
509 BlackKing, BlackKing, BlackKnight, BlackRook }
512 ChessSquare KnightmateArray[2][BOARD_FILES] = {
513 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
514 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
515 { BlackRook, BlackMan, BlackBishop, BlackQueen,
516 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
519 ChessSquare SpartanArray[2][BOARD_FILES] = {
520 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
521 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
522 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
523 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
526 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
527 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
528 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
529 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
530 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
533 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
534 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
535 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
536 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
537 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
540 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
541 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
542 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
543 { BlackRook, BlackKnight, BlackMan, BlackFerz,
544 BlackKing, BlackMan, BlackKnight, BlackRook }
548 #if (BOARD_FILES>=10)
549 ChessSquare ShogiArray[2][BOARD_FILES] = {
550 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
551 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
552 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
553 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
556 ChessSquare XiangqiArray[2][BOARD_FILES] = {
557 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
558 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
559 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
560 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
563 ChessSquare CapablancaArray[2][BOARD_FILES] = {
564 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
565 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
566 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
567 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
570 ChessSquare GreatArray[2][BOARD_FILES] = {
571 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
572 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
573 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
574 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
577 ChessSquare JanusArray[2][BOARD_FILES] = {
578 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
579 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
580 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
581 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
585 ChessSquare GothicArray[2][BOARD_FILES] = {
586 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
587 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
588 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
589 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
592 #define GothicArray CapablancaArray
596 ChessSquare FalconArray[2][BOARD_FILES] = {
597 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
598 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
599 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
600 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
603 #define FalconArray CapablancaArray
606 #else // !(BOARD_FILES>=10)
607 #define XiangqiPosition FIDEArray
608 #define CapablancaArray FIDEArray
609 #define GothicArray FIDEArray
610 #define GreatArray FIDEArray
611 #endif // !(BOARD_FILES>=10)
613 #if (BOARD_FILES>=12)
614 ChessSquare CourierArray[2][BOARD_FILES] = {
615 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
616 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
617 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
618 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
620 #else // !(BOARD_FILES>=12)
621 #define CourierArray CapablancaArray
622 #endif // !(BOARD_FILES>=12)
625 Board initialPosition;
628 /* Convert str to a rating. Checks for special cases of "----",
630 "++++", etc. Also strips ()'s */
632 string_to_rating(str)
635 while(*str && !isdigit(*str)) ++str;
637 return 0; /* One of the special "no rating" cases */
645 /* Init programStats */
646 programStats.movelist[0] = 0;
647 programStats.depth = 0;
648 programStats.nr_moves = 0;
649 programStats.moves_left = 0;
650 programStats.nodes = 0;
651 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
652 programStats.score = 0;
653 programStats.got_only_move = 0;
654 programStats.got_fail = 0;
655 programStats.line_is_book = 0;
661 int matched, min, sec;
663 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
664 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
666 GetTimeMark(&programStartTime);
667 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
670 programStats.ok_to_send = 1;
671 programStats.seen_stat = 0;
674 * Initialize game list
680 * Internet chess server status
682 if (appData.icsActive) {
683 appData.matchMode = FALSE;
684 appData.matchGames = 0;
686 appData.noChessProgram = !appData.zippyPlay;
688 appData.zippyPlay = FALSE;
689 appData.zippyTalk = FALSE;
690 appData.noChessProgram = TRUE;
692 if (*appData.icsHelper != NULLCHAR) {
693 appData.useTelnet = TRUE;
694 appData.telnetProgram = appData.icsHelper;
697 appData.zippyTalk = appData.zippyPlay = FALSE;
700 /* [AS] Initialize pv info list [HGM] and game state */
704 for( i=0; i<=framePtr; i++ ) {
705 pvInfoList[i].depth = -1;
706 boards[i][EP_STATUS] = EP_NONE;
707 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
712 * Parse timeControl resource
714 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
715 appData.movesPerSession)) {
717 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
718 DisplayFatalError(buf, 0, 2);
722 * Parse searchTime resource
724 if (*appData.searchTime != NULLCHAR) {
725 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
727 searchTime = min * 60;
728 } else if (matched == 2) {
729 searchTime = min * 60 + sec;
732 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
733 DisplayFatalError(buf, 0, 2);
737 /* [AS] Adjudication threshold */
738 adjudicateLossThreshold = appData.adjudicateLossThreshold;
740 first.which = _("first");
741 second.which = _("second");
742 first.maybeThinking = second.maybeThinking = FALSE;
743 first.pr = second.pr = NoProc;
744 first.isr = second.isr = NULL;
745 first.sendTime = second.sendTime = 2;
746 first.sendDrawOffers = 1;
747 if (appData.firstPlaysBlack) {
748 first.twoMachinesColor = "black\n";
749 second.twoMachinesColor = "white\n";
751 first.twoMachinesColor = "white\n";
752 second.twoMachinesColor = "black\n";
754 first.program = appData.firstChessProgram;
755 second.program = appData.secondChessProgram;
756 first.host = appData.firstHost;
757 second.host = appData.secondHost;
758 first.dir = appData.firstDirectory;
759 second.dir = appData.secondDirectory;
760 first.other = &second;
761 second.other = &first;
762 first.initString = appData.initString;
763 second.initString = appData.secondInitString;
764 first.computerString = appData.firstComputerString;
765 second.computerString = appData.secondComputerString;
766 first.useSigint = second.useSigint = TRUE;
767 first.useSigterm = second.useSigterm = TRUE;
768 first.reuse = appData.reuseFirst;
769 second.reuse = appData.reuseSecond;
770 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
771 second.nps = appData.secondNPS;
772 first.useSetboard = second.useSetboard = FALSE;
773 first.useSAN = second.useSAN = FALSE;
774 first.usePing = second.usePing = FALSE;
775 first.lastPing = second.lastPing = 0;
776 first.lastPong = second.lastPong = 0;
777 first.usePlayother = second.usePlayother = FALSE;
778 first.useColors = second.useColors = TRUE;
779 first.useUsermove = second.useUsermove = FALSE;
780 first.sendICS = second.sendICS = FALSE;
781 first.sendName = second.sendName = appData.icsActive;
782 first.sdKludge = second.sdKludge = FALSE;
783 first.stKludge = second.stKludge = FALSE;
784 TidyProgramName(first.program, first.host, first.tidy);
785 TidyProgramName(second.program, second.host, second.tidy);
786 first.matchWins = second.matchWins = 0;
787 safeStrCpy(first.variants, appData.variant, sizeof(first.variants)/sizeof(first.variants[0]));
788 safeStrCpy(second.variants, appData.variant,sizeof(second.variants)/sizeof(second.variants[0]));
789 first.analysisSupport = second.analysisSupport = 2; /* detect */
790 first.analyzing = second.analyzing = FALSE;
791 first.initDone = second.initDone = FALSE;
793 /* New features added by Tord: */
794 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
795 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
796 /* End of new features added by Tord. */
797 first.fenOverride = appData.fenOverride1;
798 second.fenOverride = appData.fenOverride2;
800 /* [HGM] time odds: set factor for each machine */
801 first.timeOdds = appData.firstTimeOdds;
802 second.timeOdds = appData.secondTimeOdds;
804 if(appData.timeOddsMode) {
805 norm = first.timeOdds;
806 if(norm > second.timeOdds) norm = second.timeOdds;
808 first.timeOdds /= norm;
809 second.timeOdds /= norm;
812 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
813 first.accumulateTC = appData.firstAccumulateTC;
814 second.accumulateTC = appData.secondAccumulateTC;
815 first.maxNrOfSessions = second.maxNrOfSessions = 1;
818 first.debug = second.debug = FALSE;
819 first.supportsNPS = second.supportsNPS = UNKNOWN;
822 first.optionSettings = appData.firstOptions;
823 second.optionSettings = appData.secondOptions;
825 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
826 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
827 first.isUCI = appData.firstIsUCI; /* [AS] */
828 second.isUCI = appData.secondIsUCI; /* [AS] */
829 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
830 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
832 if (appData.firstProtocolVersion > PROTOVER
833 || appData.firstProtocolVersion < 1)
838 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
839 appData.firstProtocolVersion);
840 if( (len > MSG_SIZ) && appData.debugMode )
841 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
843 DisplayFatalError(buf, 0, 2);
847 first.protocolVersion = appData.firstProtocolVersion;
850 if (appData.secondProtocolVersion > PROTOVER
851 || appData.secondProtocolVersion < 1)
856 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
857 appData.secondProtocolVersion);
858 if( (len > MSG_SIZ) && appData.debugMode )
859 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
861 DisplayFatalError(buf, 0, 2);
865 second.protocolVersion = appData.secondProtocolVersion;
868 if (appData.icsActive) {
869 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
870 // } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
871 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
872 appData.clockMode = FALSE;
873 first.sendTime = second.sendTime = 0;
877 /* Override some settings from environment variables, for backward
878 compatibility. Unfortunately it's not feasible to have the env
879 vars just set defaults, at least in xboard. Ugh.
881 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
886 if (appData.noChessProgram) {
887 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
888 sprintf(programVersion, "%s", PACKAGE_STRING);
890 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
891 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
892 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
895 if (!appData.icsActive) {
899 /* Check for variants that are supported only in ICS mode,
900 or not at all. Some that are accepted here nevertheless
901 have bugs; see comments below.
903 VariantClass variant = StringToVariant(appData.variant);
905 case VariantBughouse: /* need four players and two boards */
906 case VariantKriegspiel: /* need to hide pieces and move details */
907 /* case VariantFischeRandom: (Fabien: moved below) */
908 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
909 if( (len > MSG_SIZ) && appData.debugMode )
910 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
912 DisplayFatalError(buf, 0, 2);
916 case VariantLoadable:
926 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
927 if( (len > MSG_SIZ) && appData.debugMode )
928 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
930 DisplayFatalError(buf, 0, 2);
933 case VariantXiangqi: /* [HGM] repetition rules not implemented */
934 case VariantFairy: /* [HGM] TestLegality definitely off! */
935 case VariantGothic: /* [HGM] should work */
936 case VariantCapablanca: /* [HGM] should work */
937 case VariantCourier: /* [HGM] initial forced moves not implemented */
938 case VariantShogi: /* [HGM] could still mate with pawn drop */
939 case VariantKnightmate: /* [HGM] should work */
940 case VariantCylinder: /* [HGM] untested */
941 case VariantFalcon: /* [HGM] untested */
942 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
943 offboard interposition not understood */
944 case VariantNormal: /* definitely works! */
945 case VariantWildCastle: /* pieces not automatically shuffled */
946 case VariantNoCastle: /* pieces not automatically shuffled */
947 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
948 case VariantLosers: /* should work except for win condition,
949 and doesn't know captures are mandatory */
950 case VariantSuicide: /* should work except for win condition,
951 and doesn't know captures are mandatory */
952 case VariantGiveaway: /* should work except for win condition,
953 and doesn't know captures are mandatory */
954 case VariantTwoKings: /* should work */
955 case VariantAtomic: /* should work except for win condition */
956 case Variant3Check: /* should work except for win condition */
957 case VariantShatranj: /* should work except for all win conditions */
958 case VariantMakruk: /* should work except for daw countdown */
959 case VariantBerolina: /* might work if TestLegality is off */
960 case VariantCapaRandom: /* should work */
961 case VariantJanus: /* should work */
962 case VariantSuper: /* experimental */
963 case VariantGreat: /* experimental, requires legality testing to be off */
964 case VariantSChess: /* S-Chess, should work */
965 case VariantSpartan: /* should work */
970 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
971 InitEngineUCI( installDir, &second );
974 int NextIntegerFromString( char ** str, long * value )
979 while( *s == ' ' || *s == '\t' ) {
985 if( *s >= '0' && *s <= '9' ) {
986 while( *s >= '0' && *s <= '9' ) {
987 *value = *value * 10 + (*s - '0');
999 int NextTimeControlFromString( char ** str, long * value )
1002 int result = NextIntegerFromString( str, &temp );
1005 *value = temp * 60; /* Minutes */
1006 if( **str == ':' ) {
1008 result = NextIntegerFromString( str, &temp );
1009 *value += temp; /* Seconds */
1016 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1017 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1018 int result = -1, type = 0; long temp, temp2;
1020 if(**str != ':') return -1; // old params remain in force!
1022 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1023 if( NextIntegerFromString( str, &temp ) ) return -1;
1024 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1027 /* time only: incremental or sudden-death time control */
1028 if(**str == '+') { /* increment follows; read it */
1030 if(**str == '!') type = *(*str)++; // Bronstein TC
1031 if(result = NextIntegerFromString( str, &temp2)) return -1;
1032 *inc = temp2 * 1000;
1033 if(**str == '.') { // read fraction of increment
1034 char *start = ++(*str);
1035 if(result = NextIntegerFromString( str, &temp2)) return -1;
1037 while(start++ < *str) temp2 /= 10;
1041 *moves = 0; *tc = temp * 1000; *incType = type;
1045 (*str)++; /* classical time control */
1046 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1057 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1058 { /* [HGM] get time to add from the multi-session time-control string */
1059 int incType, moves=1; /* kludge to force reading of first session */
1060 long time, increment;
1063 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1064 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1066 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1067 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1068 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1069 if(movenr == -1) return time; /* last move before new session */
1070 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1071 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1072 if(!moves) return increment; /* current session is incremental */
1073 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1074 } while(movenr >= -1); /* try again for next session */
1076 return 0; // no new time quota on this move
1080 ParseTimeControl(tc, ti, mps)
1087 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1090 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1091 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1092 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1096 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1098 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1101 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1103 snprintf(buf, MSG_SIZ, ":%s", mytc);
1105 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1107 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1112 /* Parse second time control */
1115 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1123 timeControl_2 = tc2 * 1000;
1133 timeControl = tc1 * 1000;
1136 timeIncrement = ti * 1000; /* convert to ms */
1137 movesPerSession = 0;
1140 movesPerSession = mps;
1148 if (appData.debugMode) {
1149 fprintf(debugFP, "%s\n", programVersion);
1152 set_cont_sequence(appData.wrapContSeq);
1153 if (appData.matchGames > 0) {
1154 appData.matchMode = TRUE;
1155 } else if (appData.matchMode) {
1156 appData.matchGames = 1;
1158 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1159 appData.matchGames = appData.sameColorGames;
1160 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1161 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1162 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1165 if (appData.noChessProgram || first.protocolVersion == 1) {
1168 /* kludge: allow timeout for initial "feature" commands */
1170 DisplayMessage("", _("Starting chess program"));
1171 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1176 InitBackEnd3 P((void))
1178 GameMode initialMode;
1182 InitChessProgram(&first, startedFromSetupPosition);
1184 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1185 free(programVersion);
1186 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1187 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1190 if (appData.icsActive) {
1192 /* [DM] Make a console window if needed [HGM] merged ifs */
1198 if (*appData.icsCommPort != NULLCHAR)
1199 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1200 appData.icsCommPort);
1202 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1203 appData.icsHost, appData.icsPort);
1205 if( (len > MSG_SIZ) && appData.debugMode )
1206 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1208 DisplayFatalError(buf, err, 1);
1213 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1215 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1216 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1217 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1218 } else if (appData.noChessProgram) {
1224 if (*appData.cmailGameName != NULLCHAR) {
1226 OpenLoopback(&cmailPR);
1228 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1232 DisplayMessage("", "");
1233 if (StrCaseCmp(appData.initialMode, "") == 0) {
1234 initialMode = BeginningOfGame;
1235 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1236 initialMode = TwoMachinesPlay;
1237 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1238 initialMode = AnalyzeFile;
1239 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1240 initialMode = AnalyzeMode;
1241 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1242 initialMode = MachinePlaysWhite;
1243 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1244 initialMode = MachinePlaysBlack;
1245 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1246 initialMode = EditGame;
1247 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1248 initialMode = EditPosition;
1249 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1250 initialMode = Training;
1252 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1253 if( (len > MSG_SIZ) && appData.debugMode )
1254 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1256 DisplayFatalError(buf, 0, 2);
1260 if (appData.matchMode) {
1261 /* Set up machine vs. machine match */
1262 if (appData.noChessProgram) {
1263 DisplayFatalError(_("Can't have a match with no chess programs"),
1269 if (*appData.loadGameFile != NULLCHAR) {
1270 int index = appData.loadGameIndex; // [HGM] autoinc
1271 if(index<0) lastIndex = index = 1;
1272 if (!LoadGameFromFile(appData.loadGameFile,
1274 appData.loadGameFile, FALSE)) {
1275 DisplayFatalError(_("Bad game file"), 0, 1);
1278 } else if (*appData.loadPositionFile != NULLCHAR) {
1279 int index = appData.loadPositionIndex; // [HGM] autoinc
1280 if(index<0) lastIndex = index = 1;
1281 if (!LoadPositionFromFile(appData.loadPositionFile,
1283 appData.loadPositionFile)) {
1284 DisplayFatalError(_("Bad position file"), 0, 1);
1289 } else if (*appData.cmailGameName != NULLCHAR) {
1290 /* Set up cmail mode */
1291 ReloadCmailMsgEvent(TRUE);
1293 /* Set up other modes */
1294 if (initialMode == AnalyzeFile) {
1295 if (*appData.loadGameFile == NULLCHAR) {
1296 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1300 if (*appData.loadGameFile != NULLCHAR) {
1301 (void) LoadGameFromFile(appData.loadGameFile,
1302 appData.loadGameIndex,
1303 appData.loadGameFile, TRUE);
1304 } else if (*appData.loadPositionFile != NULLCHAR) {
1305 (void) LoadPositionFromFile(appData.loadPositionFile,
1306 appData.loadPositionIndex,
1307 appData.loadPositionFile);
1308 /* [HGM] try to make self-starting even after FEN load */
1309 /* to allow automatic setup of fairy variants with wtm */
1310 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1311 gameMode = BeginningOfGame;
1312 setboardSpoiledMachineBlack = 1;
1314 /* [HGM] loadPos: make that every new game uses the setup */
1315 /* from file as long as we do not switch variant */
1316 if(!blackPlaysFirst) {
1317 startedFromPositionFile = TRUE;
1318 CopyBoard(filePosition, boards[0]);
1321 if (initialMode == AnalyzeMode) {
1322 if (appData.noChessProgram) {
1323 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1326 if (appData.icsActive) {
1327 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1331 } else if (initialMode == AnalyzeFile) {
1332 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1333 ShowThinkingEvent();
1335 AnalysisPeriodicEvent(1);
1336 } else if (initialMode == MachinePlaysWhite) {
1337 if (appData.noChessProgram) {
1338 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1342 if (appData.icsActive) {
1343 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1347 MachineWhiteEvent();
1348 } else if (initialMode == MachinePlaysBlack) {
1349 if (appData.noChessProgram) {
1350 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1354 if (appData.icsActive) {
1355 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1359 MachineBlackEvent();
1360 } else if (initialMode == TwoMachinesPlay) {
1361 if (appData.noChessProgram) {
1362 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1366 if (appData.icsActive) {
1367 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1372 } else if (initialMode == EditGame) {
1374 } else if (initialMode == EditPosition) {
1375 EditPositionEvent();
1376 } else if (initialMode == Training) {
1377 if (*appData.loadGameFile == NULLCHAR) {
1378 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1387 * Establish will establish a contact to a remote host.port.
1388 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1389 * used to talk to the host.
1390 * Returns 0 if okay, error code if not.
1397 if (*appData.icsCommPort != NULLCHAR) {
1398 /* Talk to the host through a serial comm port */
1399 return OpenCommPort(appData.icsCommPort, &icsPR);
1401 } else if (*appData.gateway != NULLCHAR) {
1402 if (*appData.remoteShell == NULLCHAR) {
1403 /* Use the rcmd protocol to run telnet program on a gateway host */
1404 snprintf(buf, sizeof(buf), "%s %s %s",
1405 appData.telnetProgram, appData.icsHost, appData.icsPort);
1406 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1409 /* Use the rsh program to run telnet program on a gateway host */
1410 if (*appData.remoteUser == NULLCHAR) {
1411 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1412 appData.gateway, appData.telnetProgram,
1413 appData.icsHost, appData.icsPort);
1415 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1416 appData.remoteShell, appData.gateway,
1417 appData.remoteUser, appData.telnetProgram,
1418 appData.icsHost, appData.icsPort);
1420 return StartChildProcess(buf, "", &icsPR);
1423 } else if (appData.useTelnet) {
1424 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1427 /* TCP socket interface differs somewhat between
1428 Unix and NT; handle details in the front end.
1430 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1434 void EscapeExpand(char *p, char *q)
1435 { // [HGM] initstring: routine to shape up string arguments
1436 while(*p++ = *q++) if(p[-1] == '\\')
1438 case 'n': p[-1] = '\n'; break;
1439 case 'r': p[-1] = '\r'; break;
1440 case 't': p[-1] = '\t'; break;
1441 case '\\': p[-1] = '\\'; break;
1442 case 0: *p = 0; return;
1443 default: p[-1] = q[-1]; break;
1448 show_bytes(fp, buf, count)
1454 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1455 fprintf(fp, "\\%03o", *buf & 0xff);
1464 /* Returns an errno value */
1466 OutputMaybeTelnet(pr, message, count, outError)
1472 char buf[8192], *p, *q, *buflim;
1473 int left, newcount, outcount;
1475 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1476 *appData.gateway != NULLCHAR) {
1477 if (appData.debugMode) {
1478 fprintf(debugFP, ">ICS: ");
1479 show_bytes(debugFP, message, count);
1480 fprintf(debugFP, "\n");
1482 return OutputToProcess(pr, message, count, outError);
1485 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1492 if (appData.debugMode) {
1493 fprintf(debugFP, ">ICS: ");
1494 show_bytes(debugFP, buf, newcount);
1495 fprintf(debugFP, "\n");
1497 outcount = OutputToProcess(pr, buf, newcount, outError);
1498 if (outcount < newcount) return -1; /* to be sure */
1505 } else if (((unsigned char) *p) == TN_IAC) {
1506 *q++ = (char) TN_IAC;
1513 if (appData.debugMode) {
1514 fprintf(debugFP, ">ICS: ");
1515 show_bytes(debugFP, buf, newcount);
1516 fprintf(debugFP, "\n");
1518 outcount = OutputToProcess(pr, buf, newcount, outError);
1519 if (outcount < newcount) return -1; /* to be sure */
1524 read_from_player(isr, closure, message, count, error)
1531 int outError, outCount;
1532 static int gotEof = 0;
1534 /* Pass data read from player on to ICS */
1537 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1538 if (outCount < count) {
1539 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1541 } else if (count < 0) {
1542 RemoveInputSource(isr);
1543 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1544 } else if (gotEof++ > 0) {
1545 RemoveInputSource(isr);
1546 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1552 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1553 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1554 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1555 SendToICS("date\n");
1556 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1559 /* added routine for printf style output to ics */
1560 void ics_printf(char *format, ...)
1562 char buffer[MSG_SIZ];
1565 va_start(args, format);
1566 vsnprintf(buffer, sizeof(buffer), format, args);
1567 buffer[sizeof(buffer)-1] = '\0';
1576 int count, outCount, outError;
1578 if (icsPR == NULL) return;
1581 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1582 if (outCount < count) {
1583 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1587 /* This is used for sending logon scripts to the ICS. Sending
1588 without a delay causes problems when using timestamp on ICC
1589 (at least on my machine). */
1591 SendToICSDelayed(s,msdelay)
1595 int count, outCount, outError;
1597 if (icsPR == NULL) return;
1600 if (appData.debugMode) {
1601 fprintf(debugFP, ">ICS: ");
1602 show_bytes(debugFP, s, count);
1603 fprintf(debugFP, "\n");
1605 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1607 if (outCount < count) {
1608 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1613 /* Remove all highlighting escape sequences in s
1614 Also deletes any suffix starting with '('
1617 StripHighlightAndTitle(s)
1620 static char retbuf[MSG_SIZ];
1623 while (*s != NULLCHAR) {
1624 while (*s == '\033') {
1625 while (*s != NULLCHAR && !isalpha(*s)) s++;
1626 if (*s != NULLCHAR) s++;
1628 while (*s != NULLCHAR && *s != '\033') {
1629 if (*s == '(' || *s == '[') {
1640 /* Remove all highlighting escape sequences in s */
1645 static char retbuf[MSG_SIZ];
1648 while (*s != NULLCHAR) {
1649 while (*s == '\033') {
1650 while (*s != NULLCHAR && !isalpha(*s)) s++;
1651 if (*s != NULLCHAR) s++;
1653 while (*s != NULLCHAR && *s != '\033') {
1661 char *variantNames[] = VARIANT_NAMES;
1666 return variantNames[v];
1670 /* Identify a variant from the strings the chess servers use or the
1671 PGN Variant tag names we use. */
1678 VariantClass v = VariantNormal;
1679 int i, found = FALSE;
1685 /* [HGM] skip over optional board-size prefixes */
1686 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1687 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1688 while( *e++ != '_');
1691 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1695 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1696 if (StrCaseStr(e, variantNames[i])) {
1697 v = (VariantClass) i;
1704 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1705 || StrCaseStr(e, "wild/fr")
1706 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1707 v = VariantFischeRandom;
1708 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1709 (i = 1, p = StrCaseStr(e, "w"))) {
1711 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1718 case 0: /* FICS only, actually */
1720 /* Castling legal even if K starts on d-file */
1721 v = VariantWildCastle;
1726 /* Castling illegal even if K & R happen to start in
1727 normal positions. */
1728 v = VariantNoCastle;
1741 /* Castling legal iff K & R start in normal positions */
1747 /* Special wilds for position setup; unclear what to do here */
1748 v = VariantLoadable;
1751 /* Bizarre ICC game */
1752 v = VariantTwoKings;
1755 v = VariantKriegspiel;
1761 v = VariantFischeRandom;
1764 v = VariantCrazyhouse;
1767 v = VariantBughouse;
1773 /* Not quite the same as FICS suicide! */
1774 v = VariantGiveaway;
1780 v = VariantShatranj;
1783 /* Temporary names for future ICC types. The name *will* change in
1784 the next xboard/WinBoard release after ICC defines it. */
1822 v = VariantCapablanca;
1825 v = VariantKnightmate;
1831 v = VariantCylinder;
1837 v = VariantCapaRandom;
1840 v = VariantBerolina;
1852 /* Found "wild" or "w" in the string but no number;
1853 must assume it's normal chess. */
1857 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
1858 if( (len > MSG_SIZ) && appData.debugMode )
1859 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
1861 DisplayError(buf, 0);
1867 if (appData.debugMode) {
1868 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1869 e, wnum, VariantName(v));
1874 static int leftover_start = 0, leftover_len = 0;
1875 char star_match[STAR_MATCH_N][MSG_SIZ];
1877 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1878 advance *index beyond it, and set leftover_start to the new value of
1879 *index; else return FALSE. If pattern contains the character '*', it
1880 matches any sequence of characters not containing '\r', '\n', or the
1881 character following the '*' (if any), and the matched sequence(s) are
1882 copied into star_match.
1885 looking_at(buf, index, pattern)
1890 char *bufp = &buf[*index], *patternp = pattern;
1892 char *matchp = star_match[0];
1895 if (*patternp == NULLCHAR) {
1896 *index = leftover_start = bufp - buf;
1900 if (*bufp == NULLCHAR) return FALSE;
1901 if (*patternp == '*') {
1902 if (*bufp == *(patternp + 1)) {
1904 matchp = star_match[++star_count];
1908 } else if (*bufp == '\n' || *bufp == '\r') {
1910 if (*patternp == NULLCHAR)
1915 *matchp++ = *bufp++;
1919 if (*patternp != *bufp) return FALSE;
1926 SendToPlayer(data, length)
1930 int error, outCount;
1931 outCount = OutputToProcess(NoProc, data, length, &error);
1932 if (outCount < length) {
1933 DisplayFatalError(_("Error writing to display"), error, 1);
1938 PackHolding(packed, holding)
1950 switch (runlength) {
1961 sprintf(q, "%d", runlength);
1973 /* Telnet protocol requests from the front end */
1975 TelnetRequest(ddww, option)
1976 unsigned char ddww, option;
1978 unsigned char msg[3];
1979 int outCount, outError;
1981 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1983 if (appData.debugMode) {
1984 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2000 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2009 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2012 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2017 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2019 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2026 if (!appData.icsActive) return;
2027 TelnetRequest(TN_DO, TN_ECHO);
2033 if (!appData.icsActive) return;
2034 TelnetRequest(TN_DONT, TN_ECHO);
2038 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2040 /* put the holdings sent to us by the server on the board holdings area */
2041 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2045 if(gameInfo.holdingsWidth < 2) return;
2046 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2047 return; // prevent overwriting by pre-board holdings
2049 if( (int)lowestPiece >= BlackPawn ) {
2052 holdingsStartRow = BOARD_HEIGHT-1;
2055 holdingsColumn = BOARD_WIDTH-1;
2056 countsColumn = BOARD_WIDTH-2;
2057 holdingsStartRow = 0;
2061 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2062 board[i][holdingsColumn] = EmptySquare;
2063 board[i][countsColumn] = (ChessSquare) 0;
2065 while( (p=*holdings++) != NULLCHAR ) {
2066 piece = CharToPiece( ToUpper(p) );
2067 if(piece == EmptySquare) continue;
2068 /*j = (int) piece - (int) WhitePawn;*/
2069 j = PieceToNumber(piece);
2070 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2071 if(j < 0) continue; /* should not happen */
2072 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2073 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2074 board[holdingsStartRow+j*direction][countsColumn]++;
2080 VariantSwitch(Board board, VariantClass newVariant)
2082 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2083 static Board oldBoard;
2085 startedFromPositionFile = FALSE;
2086 if(gameInfo.variant == newVariant) return;
2088 /* [HGM] This routine is called each time an assignment is made to
2089 * gameInfo.variant during a game, to make sure the board sizes
2090 * are set to match the new variant. If that means adding or deleting
2091 * holdings, we shift the playing board accordingly
2092 * This kludge is needed because in ICS observe mode, we get boards
2093 * of an ongoing game without knowing the variant, and learn about the
2094 * latter only later. This can be because of the move list we requested,
2095 * in which case the game history is refilled from the beginning anyway,
2096 * but also when receiving holdings of a crazyhouse game. In the latter
2097 * case we want to add those holdings to the already received position.
2101 if (appData.debugMode) {
2102 fprintf(debugFP, "Switch board from %s to %s\n",
2103 VariantName(gameInfo.variant), VariantName(newVariant));
2104 setbuf(debugFP, NULL);
2106 shuffleOpenings = 0; /* [HGM] shuffle */
2107 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2111 newWidth = 9; newHeight = 9;
2112 gameInfo.holdingsSize = 7;
2113 case VariantBughouse:
2114 case VariantCrazyhouse:
2115 newHoldingsWidth = 2; break;
2119 newHoldingsWidth = 2;
2120 gameInfo.holdingsSize = 8;
2123 case VariantCapablanca:
2124 case VariantCapaRandom:
2127 newHoldingsWidth = gameInfo.holdingsSize = 0;
2130 if(newWidth != gameInfo.boardWidth ||
2131 newHeight != gameInfo.boardHeight ||
2132 newHoldingsWidth != gameInfo.holdingsWidth ) {
2134 /* shift position to new playing area, if needed */
2135 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2136 for(i=0; i<BOARD_HEIGHT; i++)
2137 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2138 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2140 for(i=0; i<newHeight; i++) {
2141 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2142 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2144 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2145 for(i=0; i<BOARD_HEIGHT; i++)
2146 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2147 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2150 gameInfo.boardWidth = newWidth;
2151 gameInfo.boardHeight = newHeight;
2152 gameInfo.holdingsWidth = newHoldingsWidth;
2153 gameInfo.variant = newVariant;
2154 InitDrawingSizes(-2, 0);
2155 } else gameInfo.variant = newVariant;
2156 CopyBoard(oldBoard, board); // remember correctly formatted board
2157 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2158 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2161 static int loggedOn = FALSE;
2163 /*-- Game start info cache: --*/
2165 char gs_kind[MSG_SIZ];
2166 static char player1Name[128] = "";
2167 static char player2Name[128] = "";
2168 static char cont_seq[] = "\n\\ ";
2169 static int player1Rating = -1;
2170 static int player2Rating = -1;
2171 /*----------------------------*/
2173 ColorClass curColor = ColorNormal;
2174 int suppressKibitz = 0;
2177 Boolean soughtPending = FALSE;
2178 Boolean seekGraphUp;
2179 #define MAX_SEEK_ADS 200
2181 char *seekAdList[MAX_SEEK_ADS];
2182 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2183 float tcList[MAX_SEEK_ADS];
2184 char colorList[MAX_SEEK_ADS];
2185 int nrOfSeekAds = 0;
2186 int minRating = 1010, maxRating = 2800;
2187 int hMargin = 10, vMargin = 20, h, w;
2188 extern int squareSize, lineGap;
2193 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2194 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2195 if(r < minRating+100 && r >=0 ) r = minRating+100;
2196 if(r > maxRating) r = maxRating;
2197 if(tc < 1.) tc = 1.;
2198 if(tc > 95.) tc = 95.;
2199 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2200 y = ((double)r - minRating)/(maxRating - minRating)
2201 * (h-vMargin-squareSize/8-1) + vMargin;
2202 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2203 if(strstr(seekAdList[i], " u ")) color = 1;
2204 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2205 !strstr(seekAdList[i], "bullet") &&
2206 !strstr(seekAdList[i], "blitz") &&
2207 !strstr(seekAdList[i], "standard") ) color = 2;
2208 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2209 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2213 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2215 char buf[MSG_SIZ], *ext = "";
2216 VariantClass v = StringToVariant(type);
2217 if(strstr(type, "wild")) {
2218 ext = type + 4; // append wild number
2219 if(v == VariantFischeRandom) type = "chess960"; else
2220 if(v == VariantLoadable) type = "setup"; else
2221 type = VariantName(v);
2223 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2224 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2225 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2226 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2227 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2228 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2229 seekNrList[nrOfSeekAds] = nr;
2230 zList[nrOfSeekAds] = 0;
2231 seekAdList[nrOfSeekAds++] = StrSave(buf);
2232 if(plot) PlotSeekAd(nrOfSeekAds-1);
2239 int x = xList[i], y = yList[i], d=squareSize/4, k;
2240 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2241 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2242 // now replot every dot that overlapped
2243 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2244 int xx = xList[k], yy = yList[k];
2245 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2246 DrawSeekDot(xx, yy, colorList[k]);
2251 RemoveSeekAd(int nr)
2254 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2256 if(seekAdList[i]) free(seekAdList[i]);
2257 seekAdList[i] = seekAdList[--nrOfSeekAds];
2258 seekNrList[i] = seekNrList[nrOfSeekAds];
2259 ratingList[i] = ratingList[nrOfSeekAds];
2260 colorList[i] = colorList[nrOfSeekAds];
2261 tcList[i] = tcList[nrOfSeekAds];
2262 xList[i] = xList[nrOfSeekAds];
2263 yList[i] = yList[nrOfSeekAds];
2264 zList[i] = zList[nrOfSeekAds];
2265 seekAdList[nrOfSeekAds] = NULL;
2271 MatchSoughtLine(char *line)
2273 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2274 int nr, base, inc, u=0; char dummy;
2276 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2277 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2279 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2280 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2281 // match: compact and save the line
2282 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2292 if(!seekGraphUp) return FALSE;
2293 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2294 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2296 DrawSeekBackground(0, 0, w, h);
2297 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2298 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2299 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2300 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2302 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2305 snprintf(buf, MSG_SIZ, "%d", i);
2306 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2309 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2310 for(i=1; i<100; i+=(i<10?1:5)) {
2311 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2312 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2313 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2315 snprintf(buf, MSG_SIZ, "%d", i);
2316 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2319 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2323 int SeekGraphClick(ClickType click, int x, int y, int moving)
2325 static int lastDown = 0, displayed = 0, lastSecond;
2326 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2327 if(click == Release || moving) return FALSE;
2329 soughtPending = TRUE;
2330 SendToICS(ics_prefix);
2331 SendToICS("sought\n"); // should this be "sought all"?
2332 } else { // issue challenge based on clicked ad
2333 int dist = 10000; int i, closest = 0, second = 0;
2334 for(i=0; i<nrOfSeekAds; i++) {
2335 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2336 if(d < dist) { dist = d; closest = i; }
2337 second += (d - zList[i] < 120); // count in-range ads
2338 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2342 second = (second > 1);
2343 if(displayed != closest || second != lastSecond) {
2344 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2345 lastSecond = second; displayed = closest;
2347 if(click == Press) {
2348 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2351 } // on press 'hit', only show info
2352 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2353 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2354 SendToICS(ics_prefix);
2356 return TRUE; // let incoming board of started game pop down the graph
2357 } else if(click == Release) { // release 'miss' is ignored
2358 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2359 if(moving == 2) { // right up-click
2360 nrOfSeekAds = 0; // refresh graph
2361 soughtPending = TRUE;
2362 SendToICS(ics_prefix);
2363 SendToICS("sought\n"); // should this be "sought all"?
2366 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2367 // press miss or release hit 'pop down' seek graph
2368 seekGraphUp = FALSE;
2369 DrawPosition(TRUE, NULL);
2375 read_from_ics(isr, closure, data, count, error)
2382 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2383 #define STARTED_NONE 0
2384 #define STARTED_MOVES 1
2385 #define STARTED_BOARD 2
2386 #define STARTED_OBSERVE 3
2387 #define STARTED_HOLDINGS 4
2388 #define STARTED_CHATTER 5
2389 #define STARTED_COMMENT 6
2390 #define STARTED_MOVES_NOHIDE 7
2392 static int started = STARTED_NONE;
2393 static char parse[20000];
2394 static int parse_pos = 0;
2395 static char buf[BUF_SIZE + 1];
2396 static int firstTime = TRUE, intfSet = FALSE;
2397 static ColorClass prevColor = ColorNormal;
2398 static int savingComment = FALSE;
2399 static int cmatch = 0; // continuation sequence match
2406 int backup; /* [DM] For zippy color lines */
2408 char talker[MSG_SIZ]; // [HGM] chat
2411 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2413 if (appData.debugMode) {
2415 fprintf(debugFP, "<ICS: ");
2416 show_bytes(debugFP, data, count);
2417 fprintf(debugFP, "\n");
2421 if (appData.debugMode) { int f = forwardMostMove;
2422 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2423 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2424 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2427 /* If last read ended with a partial line that we couldn't parse,
2428 prepend it to the new read and try again. */
2429 if (leftover_len > 0) {
2430 for (i=0; i<leftover_len; i++)
2431 buf[i] = buf[leftover_start + i];
2434 /* copy new characters into the buffer */
2435 bp = buf + leftover_len;
2436 buf_len=leftover_len;
2437 for (i=0; i<count; i++)
2440 if (data[i] == '\r')
2443 // join lines split by ICS?
2444 if (!appData.noJoin)
2447 Joining just consists of finding matches against the
2448 continuation sequence, and discarding that sequence
2449 if found instead of copying it. So, until a match
2450 fails, there's nothing to do since it might be the
2451 complete sequence, and thus, something we don't want
2454 if (data[i] == cont_seq[cmatch])
2457 if (cmatch == strlen(cont_seq))
2459 cmatch = 0; // complete match. just reset the counter
2462 it's possible for the ICS to not include the space
2463 at the end of the last word, making our [correct]
2464 join operation fuse two separate words. the server
2465 does this when the space occurs at the width setting.
2467 if (!buf_len || buf[buf_len-1] != ' ')
2478 match failed, so we have to copy what matched before
2479 falling through and copying this character. In reality,
2480 this will only ever be just the newline character, but
2481 it doesn't hurt to be precise.
2483 strncpy(bp, cont_seq, cmatch);
2495 buf[buf_len] = NULLCHAR;
2496 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2501 while (i < buf_len) {
2502 /* Deal with part of the TELNET option negotiation
2503 protocol. We refuse to do anything beyond the
2504 defaults, except that we allow the WILL ECHO option,
2505 which ICS uses to turn off password echoing when we are
2506 directly connected to it. We reject this option
2507 if localLineEditing mode is on (always on in xboard)
2508 and we are talking to port 23, which might be a real
2509 telnet server that will try to keep WILL ECHO on permanently.
2511 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2512 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2513 unsigned char option;
2515 switch ((unsigned char) buf[++i]) {
2517 if (appData.debugMode)
2518 fprintf(debugFP, "\n<WILL ");
2519 switch (option = (unsigned char) buf[++i]) {
2521 if (appData.debugMode)
2522 fprintf(debugFP, "ECHO ");
2523 /* Reply only if this is a change, according
2524 to the protocol rules. */
2525 if (remoteEchoOption) break;
2526 if (appData.localLineEditing &&
2527 atoi(appData.icsPort) == TN_PORT) {
2528 TelnetRequest(TN_DONT, TN_ECHO);
2531 TelnetRequest(TN_DO, TN_ECHO);
2532 remoteEchoOption = TRUE;
2536 if (appData.debugMode)
2537 fprintf(debugFP, "%d ", option);
2538 /* Whatever this is, we don't want it. */
2539 TelnetRequest(TN_DONT, option);
2544 if (appData.debugMode)
2545 fprintf(debugFP, "\n<WONT ");
2546 switch (option = (unsigned char) buf[++i]) {
2548 if (appData.debugMode)
2549 fprintf(debugFP, "ECHO ");
2550 /* Reply only if this is a change, according
2551 to the protocol rules. */
2552 if (!remoteEchoOption) break;
2554 TelnetRequest(TN_DONT, TN_ECHO);
2555 remoteEchoOption = FALSE;
2558 if (appData.debugMode)
2559 fprintf(debugFP, "%d ", (unsigned char) option);
2560 /* Whatever this is, it must already be turned
2561 off, because we never agree to turn on
2562 anything non-default, so according to the
2563 protocol rules, we don't reply. */
2568 if (appData.debugMode)
2569 fprintf(debugFP, "\n<DO ");
2570 switch (option = (unsigned char) buf[++i]) {
2572 /* Whatever this is, we refuse to do it. */
2573 if (appData.debugMode)
2574 fprintf(debugFP, "%d ", option);
2575 TelnetRequest(TN_WONT, option);
2580 if (appData.debugMode)
2581 fprintf(debugFP, "\n<DONT ");
2582 switch (option = (unsigned char) buf[++i]) {
2584 if (appData.debugMode)
2585 fprintf(debugFP, "%d ", option);
2586 /* Whatever this is, we are already not doing
2587 it, because we never agree to do anything
2588 non-default, so according to the protocol
2589 rules, we don't reply. */
2594 if (appData.debugMode)
2595 fprintf(debugFP, "\n<IAC ");
2596 /* Doubled IAC; pass it through */
2600 if (appData.debugMode)
2601 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2602 /* Drop all other telnet commands on the floor */
2605 if (oldi > next_out)
2606 SendToPlayer(&buf[next_out], oldi - next_out);
2612 /* OK, this at least will *usually* work */
2613 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2617 if (loggedOn && !intfSet) {
2618 if (ics_type == ICS_ICC) {
2619 snprintf(str, MSG_SIZ,
2620 "/set-quietly interface %s\n/set-quietly style 12\n",
2622 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2623 strcat(str, "/set-2 51 1\n/set seek 1\n");
2624 } else if (ics_type == ICS_CHESSNET) {
2625 snprintf(str, MSG_SIZ, "/style 12\n");
2627 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2628 strcat(str, programVersion);
2629 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2630 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2631 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2633 strcat(str, "$iset nohighlight 1\n");
2635 strcat(str, "$iset lock 1\n$style 12\n");
2638 NotifyFrontendLogin();
2642 if (started == STARTED_COMMENT) {
2643 /* Accumulate characters in comment */
2644 parse[parse_pos++] = buf[i];
2645 if (buf[i] == '\n') {
2646 parse[parse_pos] = NULLCHAR;
2647 if(chattingPartner>=0) {
2649 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2650 OutputChatMessage(chattingPartner, mess);
2651 chattingPartner = -1;
2652 next_out = i+1; // [HGM] suppress printing in ICS window
2654 if(!suppressKibitz) // [HGM] kibitz
2655 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2656 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2657 int nrDigit = 0, nrAlph = 0, j;
2658 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2659 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2660 parse[parse_pos] = NULLCHAR;
2661 // try to be smart: if it does not look like search info, it should go to
2662 // ICS interaction window after all, not to engine-output window.
2663 for(j=0; j<parse_pos; j++) { // count letters and digits
2664 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2665 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2666 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2668 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2669 int depth=0; float score;
2670 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2671 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2672 pvInfoList[forwardMostMove-1].depth = depth;
2673 pvInfoList[forwardMostMove-1].score = 100*score;
2675 OutputKibitz(suppressKibitz, parse);
2678 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2679 SendToPlayer(tmp, strlen(tmp));
2681 next_out = i+1; // [HGM] suppress printing in ICS window
2683 started = STARTED_NONE;
2685 /* Don't match patterns against characters in comment */
2690 if (started == STARTED_CHATTER) {
2691 if (buf[i] != '\n') {
2692 /* Don't match patterns against characters in chatter */
2696 started = STARTED_NONE;
2697 if(suppressKibitz) next_out = i+1;
2700 /* Kludge to deal with rcmd protocol */
2701 if (firstTime && looking_at(buf, &i, "\001*")) {
2702 DisplayFatalError(&buf[1], 0, 1);
2708 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2711 if (appData.debugMode)
2712 fprintf(debugFP, "ics_type %d\n", ics_type);
2715 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2716 ics_type = ICS_FICS;
2718 if (appData.debugMode)
2719 fprintf(debugFP, "ics_type %d\n", ics_type);
2722 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2723 ics_type = ICS_CHESSNET;
2725 if (appData.debugMode)
2726 fprintf(debugFP, "ics_type %d\n", ics_type);
2731 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2732 looking_at(buf, &i, "Logging you in as \"*\"") ||
2733 looking_at(buf, &i, "will be \"*\""))) {
2734 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
2738 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2740 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2741 DisplayIcsInteractionTitle(buf);
2742 have_set_title = TRUE;
2745 /* skip finger notes */
2746 if (started == STARTED_NONE &&
2747 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2748 (buf[i] == '1' && buf[i+1] == '0')) &&
2749 buf[i+2] == ':' && buf[i+3] == ' ') {
2750 started = STARTED_CHATTER;
2756 // [HGM] seekgraph: recognize sought lines and end-of-sought message
2757 if(appData.seekGraph) {
2758 if(soughtPending && MatchSoughtLine(buf+i)) {
2759 i = strstr(buf+i, "rated") - buf;
2760 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2761 next_out = leftover_start = i;
2762 started = STARTED_CHATTER;
2763 suppressKibitz = TRUE;
2766 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
2767 && looking_at(buf, &i, "* ads displayed")) {
2768 soughtPending = FALSE;
2773 if(appData.autoRefresh) {
2774 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
2775 int s = (ics_type == ICS_ICC); // ICC format differs
2777 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
2778 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
2779 looking_at(buf, &i, "*% "); // eat prompt
2780 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
2781 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2782 next_out = i; // suppress
2785 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
2786 char *p = star_match[0];
2788 if(seekGraphUp) RemoveSeekAd(atoi(p));
2789 while(*p && *p++ != ' '); // next
2791 looking_at(buf, &i, "*% "); // eat prompt
2792 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2799 /* skip formula vars */
2800 if (started == STARTED_NONE &&
2801 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2802 started = STARTED_CHATTER;
2807 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2808 if (appData.autoKibitz && started == STARTED_NONE &&
2809 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2810 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2811 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
2812 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2813 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2814 suppressKibitz = TRUE;
2815 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2817 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2818 && (gameMode == IcsPlayingWhite)) ||
2819 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2820 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2821 started = STARTED_CHATTER; // own kibitz we simply discard
2823 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2824 parse_pos = 0; parse[0] = NULLCHAR;
2825 savingComment = TRUE;
2826 suppressKibitz = gameMode != IcsObserving ? 2 :
2827 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2831 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
2832 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
2833 && atoi(star_match[0])) {
2834 // suppress the acknowledgements of our own autoKibitz
2836 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2837 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
2838 SendToPlayer(star_match[0], strlen(star_match[0]));
2839 if(looking_at(buf, &i, "*% ")) // eat prompt
2840 suppressKibitz = FALSE;
2844 } // [HGM] kibitz: end of patch
2846 // [HGM] chat: intercept tells by users for which we have an open chat window
2848 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2849 looking_at(buf, &i, "* whispers:") ||
2850 looking_at(buf, &i, "* kibitzes:") ||
2851 looking_at(buf, &i, "* shouts:") ||
2852 looking_at(buf, &i, "* c-shouts:") ||
2853 looking_at(buf, &i, "--> * ") ||
2854 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2855 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
2856 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
2857 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
2859 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2860 chattingPartner = -1;
2862 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2863 for(p=0; p<MAX_CHAT; p++) {
2864 if(channel == atoi(chatPartner[p])) {
2865 talker[0] = '['; strcat(talker, "] ");
2866 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
2867 chattingPartner = p; break;
2870 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
2871 for(p=0; p<MAX_CHAT; p++) {
2872 if(!strcmp("kibitzes", chatPartner[p])) {
2873 talker[0] = '['; strcat(talker, "] ");
2874 chattingPartner = p; break;
2877 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2878 for(p=0; p<MAX_CHAT; p++) {
2879 if(!strcmp("whispers", chatPartner[p])) {
2880 talker[0] = '['; strcat(talker, "] ");
2881 chattingPartner = p; break;
2884 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
2885 if(buf[i-8] == '-' && buf[i-3] == 't')
2886 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
2887 if(!strcmp("c-shouts", chatPartner[p])) {
2888 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
2889 chattingPartner = p; break;
2892 if(chattingPartner < 0)
2893 for(p=0; p<MAX_CHAT; p++) {
2894 if(!strcmp("shouts", chatPartner[p])) {
2895 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
2896 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
2897 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
2898 chattingPartner = p; break;
2902 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2903 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2904 talker[0] = 0; Colorize(ColorTell, FALSE);
2905 chattingPartner = p; break;
2907 if(chattingPartner<0) i = oldi; else {
2908 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
2909 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
2910 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2911 started = STARTED_COMMENT;
2912 parse_pos = 0; parse[0] = NULLCHAR;
2913 savingComment = 3 + chattingPartner; // counts as TRUE
2914 suppressKibitz = TRUE;
2917 } // [HGM] chat: end of patch
2919 if (appData.zippyTalk || appData.zippyPlay) {
2920 /* [DM] Backup address for color zippy lines */
2923 if (loggedOn == TRUE)
2924 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2925 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2927 } // [DM] 'else { ' deleted
2929 /* Regular tells and says */
2930 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2931 looking_at(buf, &i, "* (your partner) tells you: ") ||
2932 looking_at(buf, &i, "* says: ") ||
2933 /* Don't color "message" or "messages" output */
2934 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2935 looking_at(buf, &i, "*. * at *:*: ") ||
2936 looking_at(buf, &i, "--* (*:*): ") ||
2937 /* Message notifications (same color as tells) */
2938 looking_at(buf, &i, "* has left a message ") ||
2939 looking_at(buf, &i, "* just sent you a message:\n") ||
2940 /* Whispers and kibitzes */
2941 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2942 looking_at(buf, &i, "* kibitzes: ") ||
2944 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2946 if (tkind == 1 && strchr(star_match[0], ':')) {
2947 /* Avoid "tells you:" spoofs in channels */
2950 if (star_match[0][0] == NULLCHAR ||
2951 strchr(star_match[0], ' ') ||
2952 (tkind == 3 && strchr(star_match[1], ' '))) {
2953 /* Reject bogus matches */
2956 if (appData.colorize) {
2957 if (oldi > next_out) {
2958 SendToPlayer(&buf[next_out], oldi - next_out);
2963 Colorize(ColorTell, FALSE);
2964 curColor = ColorTell;
2967 Colorize(ColorKibitz, FALSE);
2968 curColor = ColorKibitz;
2971 p = strrchr(star_match[1], '(');
2978 Colorize(ColorChannel1, FALSE);
2979 curColor = ColorChannel1;
2981 Colorize(ColorChannel, FALSE);
2982 curColor = ColorChannel;
2986 curColor = ColorNormal;
2990 if (started == STARTED_NONE && appData.autoComment &&
2991 (gameMode == IcsObserving ||
2992 gameMode == IcsPlayingWhite ||
2993 gameMode == IcsPlayingBlack)) {
2994 parse_pos = i - oldi;
2995 memcpy(parse, &buf[oldi], parse_pos);
2996 parse[parse_pos] = NULLCHAR;
2997 started = STARTED_COMMENT;
2998 savingComment = TRUE;
3000 started = STARTED_CHATTER;
3001 savingComment = FALSE;
3008 if (looking_at(buf, &i, "* s-shouts: ") ||
3009 looking_at(buf, &i, "* c-shouts: ")) {
3010 if (appData.colorize) {
3011 if (oldi > next_out) {
3012 SendToPlayer(&buf[next_out], oldi - next_out);
3015 Colorize(ColorSShout, FALSE);
3016 curColor = ColorSShout;
3019 started = STARTED_CHATTER;
3023 if (looking_at(buf, &i, "--->")) {
3028 if (looking_at(buf, &i, "* shouts: ") ||
3029 looking_at(buf, &i, "--> ")) {
3030 if (appData.colorize) {
3031 if (oldi > next_out) {
3032 SendToPlayer(&buf[next_out], oldi - next_out);
3035 Colorize(ColorShout, FALSE);
3036 curColor = ColorShout;
3039 started = STARTED_CHATTER;
3043 if (looking_at( buf, &i, "Challenge:")) {
3044 if (appData.colorize) {
3045 if (oldi > next_out) {
3046 SendToPlayer(&buf[next_out], oldi - next_out);
3049 Colorize(ColorChallenge, FALSE);
3050 curColor = ColorChallenge;
3056 if (looking_at(buf, &i, "* offers you") ||
3057 looking_at(buf, &i, "* offers to be") ||
3058 looking_at(buf, &i, "* would like to") ||
3059 looking_at(buf, &i, "* requests to") ||
3060 looking_at(buf, &i, "Your opponent offers") ||
3061 looking_at(buf, &i, "Your opponent requests")) {
3063 if (appData.colorize) {
3064 if (oldi > next_out) {
3065 SendToPlayer(&buf[next_out], oldi - next_out);
3068 Colorize(ColorRequest, FALSE);
3069 curColor = ColorRequest;
3074 if (looking_at(buf, &i, "* (*) seeking")) {
3075 if (appData.colorize) {
3076 if (oldi > next_out) {
3077 SendToPlayer(&buf[next_out], oldi - next_out);
3080 Colorize(ColorSeek, FALSE);
3081 curColor = ColorSeek;
3086 if (looking_at(buf, &i, "\\ ")) {
3087 if (prevColor != ColorNormal) {
3088 if (oldi > next_out) {
3089 SendToPlayer(&buf[next_out], oldi - next_out);
3092 Colorize(prevColor, TRUE);
3093 curColor = prevColor;
3095 if (savingComment) {
3096 parse_pos = i - oldi;
3097 memcpy(parse, &buf[oldi], parse_pos);
3098 parse[parse_pos] = NULLCHAR;
3099 started = STARTED_COMMENT;
3100 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3101 chattingPartner = savingComment - 3; // kludge to remember the box
3103 started = STARTED_CHATTER;
3108 if (looking_at(buf, &i, "Black Strength :") ||
3109 looking_at(buf, &i, "<<< style 10 board >>>") ||
3110 looking_at(buf, &i, "<10>") ||
3111 looking_at(buf, &i, "#@#")) {
3112 /* Wrong board style */
3114 SendToICS(ics_prefix);
3115 SendToICS("set style 12\n");
3116 SendToICS(ics_prefix);
3117 SendToICS("refresh\n");
3121 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3123 have_sent_ICS_logon = 1;
3127 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3128 (looking_at(buf, &i, "\n<12> ") ||
3129 looking_at(buf, &i, "<12> "))) {
3131 if (oldi > next_out) {
3132 SendToPlayer(&buf[next_out], oldi - next_out);
3135 started = STARTED_BOARD;
3140 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3141 looking_at(buf, &i, "<b1> ")) {
3142 if (oldi > next_out) {
3143 SendToPlayer(&buf[next_out], oldi - next_out);
3146 started = STARTED_HOLDINGS;
3151 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3153 /* Header for a move list -- first line */
3155 switch (ics_getting_history) {
3159 case BeginningOfGame:
3160 /* User typed "moves" or "oldmoves" while we
3161 were idle. Pretend we asked for these
3162 moves and soak them up so user can step
3163 through them and/or save them.
3166 gameMode = IcsObserving;
3169 ics_getting_history = H_GOT_UNREQ_HEADER;
3171 case EditGame: /*?*/
3172 case EditPosition: /*?*/
3173 /* Should above feature work in these modes too? */
3174 /* For now it doesn't */
3175 ics_getting_history = H_GOT_UNWANTED_HEADER;
3178 ics_getting_history = H_GOT_UNWANTED_HEADER;
3183 /* Is this the right one? */
3184 if (gameInfo.white && gameInfo.black &&
3185 strcmp(gameInfo.white, star_match[0]) == 0 &&
3186 strcmp(gameInfo.black, star_match[2]) == 0) {
3188 ics_getting_history = H_GOT_REQ_HEADER;
3191 case H_GOT_REQ_HEADER:
3192 case H_GOT_UNREQ_HEADER:
3193 case H_GOT_UNWANTED_HEADER:
3194 case H_GETTING_MOVES:
3195 /* Should not happen */
3196 DisplayError(_("Error gathering move list: two headers"), 0);
3197 ics_getting_history = H_FALSE;
3201 /* Save player ratings into gameInfo if needed */
3202 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3203 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3204 (gameInfo.whiteRating == -1 ||
3205 gameInfo.blackRating == -1)) {
3207 gameInfo.whiteRating = string_to_rating(star_match[1]);
3208 gameInfo.blackRating = string_to_rating(star_match[3]);
3209 if (appData.debugMode)
3210 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3211 gameInfo.whiteRating, gameInfo.blackRating);
3216 if (looking_at(buf, &i,
3217 "* * match, initial time: * minute*, increment: * second")) {
3218 /* Header for a move list -- second line */
3219 /* Initial board will follow if this is a wild game */
3220 if (gameInfo.event != NULL) free(gameInfo.event);
3221 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3222 gameInfo.event = StrSave(str);
3223 /* [HGM] we switched variant. Translate boards if needed. */
3224 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3228 if (looking_at(buf, &i, "Move ")) {
3229 /* Beginning of a move list */
3230 switch (ics_getting_history) {
3232 /* Normally should not happen */
3233 /* Maybe user hit reset while we were parsing */
3236 /* Happens if we are ignoring a move list that is not
3237 * the one we just requested. Common if the user
3238 * tries to observe two games without turning off
3241 case H_GETTING_MOVES:
3242 /* Should not happen */
3243 DisplayError(_("Error gathering move list: nested"), 0);
3244 ics_getting_history = H_FALSE;
3246 case H_GOT_REQ_HEADER:
3247 ics_getting_history = H_GETTING_MOVES;
3248 started = STARTED_MOVES;
3250 if (oldi > next_out) {
3251 SendToPlayer(&buf[next_out], oldi - next_out);
3254 case H_GOT_UNREQ_HEADER:
3255 ics_getting_history = H_GETTING_MOVES;
3256 started = STARTED_MOVES_NOHIDE;
3259 case H_GOT_UNWANTED_HEADER:
3260 ics_getting_history = H_FALSE;
3266 if (looking_at(buf, &i, "% ") ||
3267 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3268 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3269 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3270 soughtPending = FALSE;
3274 if(suppressKibitz) next_out = i;
3275 savingComment = FALSE;
3279 case STARTED_MOVES_NOHIDE:
3280 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3281 parse[parse_pos + i - oldi] = NULLCHAR;
3282 ParseGameHistory(parse);
3284 if (appData.zippyPlay && first.initDone) {
3285 FeedMovesToProgram(&first, forwardMostMove);
3286 if (gameMode == IcsPlayingWhite) {
3287 if (WhiteOnMove(forwardMostMove)) {
3288 if (first.sendTime) {
3289 if (first.useColors) {
3290 SendToProgram("black\n", &first);
3292 SendTimeRemaining(&first, TRUE);
3294 if (first.useColors) {
3295 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3297 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3298 first.maybeThinking = TRUE;
3300 if (first.usePlayother) {
3301 if (first.sendTime) {
3302 SendTimeRemaining(&first, TRUE);
3304 SendToProgram("playother\n", &first);
3310 } else if (gameMode == IcsPlayingBlack) {
3311 if (!WhiteOnMove(forwardMostMove)) {
3312 if (first.sendTime) {
3313 if (first.useColors) {
3314 SendToProgram("white\n", &first);
3316 SendTimeRemaining(&first, FALSE);
3318 if (first.useColors) {
3319 SendToProgram("black\n", &first);
3321 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3322 first.maybeThinking = TRUE;
3324 if (first.usePlayother) {
3325 if (first.sendTime) {
3326 SendTimeRemaining(&first, FALSE);
3328 SendToProgram("playother\n", &first);
3337 if (gameMode == IcsObserving && ics_gamenum == -1) {
3338 /* Moves came from oldmoves or moves command
3339 while we weren't doing anything else.
3341 currentMove = forwardMostMove;
3342 ClearHighlights();/*!!could figure this out*/
3343 flipView = appData.flipView;
3344 DrawPosition(TRUE, boards[currentMove]);
3345 DisplayBothClocks();
3346 snprintf(str, MSG_SIZ, "%s vs. %s",
3347 gameInfo.white, gameInfo.black);
3351 /* Moves were history of an active game */
3352 if (gameInfo.resultDetails != NULL) {
3353 free(gameInfo.resultDetails);
3354 gameInfo.resultDetails = NULL;
3357 HistorySet(parseList, backwardMostMove,
3358 forwardMostMove, currentMove-1);
3359 DisplayMove(currentMove - 1);
3360 if (started == STARTED_MOVES) next_out = i;
3361 started = STARTED_NONE;
3362 ics_getting_history = H_FALSE;
3365 case STARTED_OBSERVE:
3366 started = STARTED_NONE;
3367 SendToICS(ics_prefix);
3368 SendToICS("refresh\n");
3374 if(bookHit) { // [HGM] book: simulate book reply
3375 static char bookMove[MSG_SIZ]; // a bit generous?
3377 programStats.nodes = programStats.depth = programStats.time =
3378 programStats.score = programStats.got_only_move = 0;
3379 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3381 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3382 strcat(bookMove, bookHit);
3383 HandleMachineMove(bookMove, &first);
3388 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3389 started == STARTED_HOLDINGS ||
3390 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3391 /* Accumulate characters in move list or board */
3392 parse[parse_pos++] = buf[i];
3395 /* Start of game messages. Mostly we detect start of game
3396 when the first board image arrives. On some versions
3397 of the ICS, though, we need to do a "refresh" after starting
3398 to observe in order to get the current board right away. */
3399 if (looking_at(buf, &i, "Adding game * to observation list")) {
3400 started = STARTED_OBSERVE;
3404 /* Handle auto-observe */
3405 if (appData.autoObserve &&
3406 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3407 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3409 /* Choose the player that was highlighted, if any. */
3410 if (star_match[0][0] == '\033' ||
3411 star_match[1][0] != '\033') {
3412 player = star_match[0];
3414 player = star_match[2];
3416 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3417 ics_prefix, StripHighlightAndTitle(player));
3420 /* Save ratings from notify string */
3421 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3422 player1Rating = string_to_rating(star_match[1]);
3423 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3424 player2Rating = string_to_rating(star_match[3]);
3426 if (appData.debugMode)
3428 "Ratings from 'Game notification:' %s %d, %s %d\n",
3429 player1Name, player1Rating,
3430 player2Name, player2Rating);
3435 /* Deal with automatic examine mode after a game,
3436 and with IcsObserving -> IcsExamining transition */
3437 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3438 looking_at(buf, &i, "has made you an examiner of game *")) {
3440 int gamenum = atoi(star_match[0]);
3441 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3442 gamenum == ics_gamenum) {
3443 /* We were already playing or observing this game;
3444 no need to refetch history */
3445 gameMode = IcsExamining;
3447 pauseExamForwardMostMove = forwardMostMove;
3448 } else if (currentMove < forwardMostMove) {
3449 ForwardInner(forwardMostMove);
3452 /* I don't think this case really can happen */
3453 SendToICS(ics_prefix);
3454 SendToICS("refresh\n");
3459 /* Error messages */
3460 // if (ics_user_moved) {
3461 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3462 if (looking_at(buf, &i, "Illegal move") ||
3463 looking_at(buf, &i, "Not a legal move") ||
3464 looking_at(buf, &i, "Your king is in check") ||
3465 looking_at(buf, &i, "It isn't your turn") ||
3466 looking_at(buf, &i, "It is not your move")) {
3468 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3469 currentMove = forwardMostMove-1;
3470 DisplayMove(currentMove - 1); /* before DMError */
3471 DrawPosition(FALSE, boards[currentMove]);
3472 SwitchClocks(forwardMostMove-1); // [HGM] race
3473 DisplayBothClocks();
3475 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3481 if (looking_at(buf, &i, "still have time") ||
3482 looking_at(buf, &i, "not out of time") ||
3483 looking_at(buf, &i, "either player is out of time") ||
3484 looking_at(buf, &i, "has timeseal; checking")) {
3485 /* We must have called his flag a little too soon */
3486 whiteFlag = blackFlag = FALSE;
3490 if (looking_at(buf, &i, "added * seconds to") ||
3491 looking_at(buf, &i, "seconds were added to")) {
3492 /* Update the clocks */
3493 SendToICS(ics_prefix);
3494 SendToICS("refresh\n");
3498 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3499 ics_clock_paused = TRUE;
3504 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3505 ics_clock_paused = FALSE;
3510 /* Grab player ratings from the Creating: message.
3511 Note we have to check for the special case when
3512 the ICS inserts things like [white] or [black]. */
3513 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3514 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3516 0 player 1 name (not necessarily white)
3518 2 empty, white, or black (IGNORED)
3519 3 player 2 name (not necessarily black)
3522 The names/ratings are sorted out when the game
3523 actually starts (below).
3525 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3526 player1Rating = string_to_rating(star_match[1]);
3527 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3528 player2Rating = string_to_rating(star_match[4]);
3530 if (appData.debugMode)
3532 "Ratings from 'Creating:' %s %d, %s %d\n",
3533 player1Name, player1Rating,
3534 player2Name, player2Rating);
3539 /* Improved generic start/end-of-game messages */
3540 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3541 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3542 /* If tkind == 0: */
3543 /* star_match[0] is the game number */
3544 /* [1] is the white player's name */
3545 /* [2] is the black player's name */
3546 /* For end-of-game: */
3547 /* [3] is the reason for the game end */
3548 /* [4] is a PGN end game-token, preceded by " " */
3549 /* For start-of-game: */
3550 /* [3] begins with "Creating" or "Continuing" */
3551 /* [4] is " *" or empty (don't care). */
3552 int gamenum = atoi(star_match[0]);
3553 char *whitename, *blackname, *why, *endtoken;
3554 ChessMove endtype = EndOfFile;
3557 whitename = star_match[1];
3558 blackname = star_match[2];
3559 why = star_match[3];
3560 endtoken = star_match[4];
3562 whitename = star_match[1];
3563 blackname = star_match[3];
3564 why = star_match[5];
3565 endtoken = star_match[6];
3568 /* Game start messages */
3569 if (strncmp(why, "Creating ", 9) == 0 ||
3570 strncmp(why, "Continuing ", 11) == 0) {
3571 gs_gamenum = gamenum;
3572 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3573 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3575 if (appData.zippyPlay) {
3576 ZippyGameStart(whitename, blackname);
3579 partnerBoardValid = FALSE; // [HGM] bughouse
3583 /* Game end messages */
3584 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3585 ics_gamenum != gamenum) {
3588 while (endtoken[0] == ' ') endtoken++;
3589 switch (endtoken[0]) {
3592 endtype = GameUnfinished;
3595 endtype = BlackWins;
3598 if (endtoken[1] == '/')
3599 endtype = GameIsDrawn;
3601 endtype = WhiteWins;
3604 GameEnds(endtype, why, GE_ICS);
3606 if (appData.zippyPlay && first.initDone) {
3607 ZippyGameEnd(endtype, why);
3608 if (first.pr == NULL) {
3609 /* Start the next process early so that we'll
3610 be ready for the next challenge */
3611 StartChessProgram(&first);
3613 /* Send "new" early, in case this command takes
3614 a long time to finish, so that we'll be ready
3615 for the next challenge. */
3616 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3620 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3624 if (looking_at(buf, &i, "Removing game * from observation") ||
3625 looking_at(buf, &i, "no longer observing game *") ||
3626 looking_at(buf, &i, "Game * (*) has no examiners")) {
3627 if (gameMode == IcsObserving &&
3628 atoi(star_match[0]) == ics_gamenum)
3630 /* icsEngineAnalyze */
3631 if (appData.icsEngineAnalyze) {
3638 ics_user_moved = FALSE;
3643 if (looking_at(buf, &i, "no longer examining game *")) {
3644 if (gameMode == IcsExamining &&
3645 atoi(star_match[0]) == ics_gamenum)
3649 ics_user_moved = FALSE;
3654 /* Advance leftover_start past any newlines we find,
3655 so only partial lines can get reparsed */
3656 if (looking_at(buf, &i, "\n")) {
3657 prevColor = curColor;
3658 if (curColor != ColorNormal) {
3659 if (oldi > next_out) {
3660 SendToPlayer(&buf[next_out], oldi - next_out);
3663 Colorize(ColorNormal, FALSE);
3664 curColor = ColorNormal;
3666 if (started == STARTED_BOARD) {
3667 started = STARTED_NONE;
3668 parse[parse_pos] = NULLCHAR;
3669 ParseBoard12(parse);
3672 /* Send premove here */
3673 if (appData.premove) {
3675 if (currentMove == 0 &&
3676 gameMode == IcsPlayingWhite &&
3677 appData.premoveWhite) {
3678 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3679 if (appData.debugMode)
3680 fprintf(debugFP, "Sending premove:\n");
3682 } else if (currentMove == 1 &&
3683 gameMode == IcsPlayingBlack &&
3684 appData.premoveBlack) {
3685 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3686 if (appData.debugMode)
3687 fprintf(debugFP, "Sending premove:\n");
3689 } else if (gotPremove) {
3691 ClearPremoveHighlights();
3692 if (appData.debugMode)
3693 fprintf(debugFP, "Sending premove:\n");
3694 UserMoveEvent(premoveFromX, premoveFromY,
3695 premoveToX, premoveToY,
3700 /* Usually suppress following prompt */
3701 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3702 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3703 if (looking_at(buf, &i, "*% ")) {
3704 savingComment = FALSE;
3709 } else if (started == STARTED_HOLDINGS) {
3711 char new_piece[MSG_SIZ];
3712 started = STARTED_NONE;
3713 parse[parse_pos] = NULLCHAR;
3714 if (appData.debugMode)
3715 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3716 parse, currentMove);
3717 if (sscanf(parse, " game %d", &gamenum) == 1) {
3718 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
3719 if (gameInfo.variant == VariantNormal) {
3720 /* [HGM] We seem to switch variant during a game!
3721 * Presumably no holdings were displayed, so we have
3722 * to move the position two files to the right to
3723 * create room for them!
3725 VariantClass newVariant;
3726 switch(gameInfo.boardWidth) { // base guess on board width
3727 case 9: newVariant = VariantShogi; break;
3728 case 10: newVariant = VariantGreat; break;
3729 default: newVariant = VariantCrazyhouse; break;
3731 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3732 /* Get a move list just to see the header, which
3733 will tell us whether this is really bug or zh */
3734 if (ics_getting_history == H_FALSE) {
3735 ics_getting_history = H_REQUESTED;
3736 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
3740 new_piece[0] = NULLCHAR;
3741 sscanf(parse, "game %d white [%s black [%s <- %s",
3742 &gamenum, white_holding, black_holding,
3744 white_holding[strlen(white_holding)-1] = NULLCHAR;
3745 black_holding[strlen(black_holding)-1] = NULLCHAR;
3746 /* [HGM] copy holdings to board holdings area */
3747 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3748 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3749 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3751 if (appData.zippyPlay && first.initDone) {
3752 ZippyHoldings(white_holding, black_holding,
3756 if (tinyLayout || smallLayout) {
3757 char wh[16], bh[16];
3758 PackHolding(wh, white_holding);
3759 PackHolding(bh, black_holding);
3760 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
3761 gameInfo.white, gameInfo.black);
3763 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
3764 gameInfo.white, white_holding,
3765 gameInfo.black, black_holding);
3767 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
3768 DrawPosition(FALSE, boards[currentMove]);
3770 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
3771 sscanf(parse, "game %d white [%s black [%s <- %s",
3772 &gamenum, white_holding, black_holding,
3774 white_holding[strlen(white_holding)-1] = NULLCHAR;
3775 black_holding[strlen(black_holding)-1] = NULLCHAR;
3776 /* [HGM] copy holdings to partner-board holdings area */
3777 CopyHoldings(partnerBoard, white_holding, WhitePawn);
3778 CopyHoldings(partnerBoard, black_holding, BlackPawn);
3779 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
3780 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3781 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
3784 /* Suppress following prompt */
3785 if (looking_at(buf, &i, "*% ")) {
3786 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3787 savingComment = FALSE;
3795 i++; /* skip unparsed character and loop back */
3798 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3799 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3800 // SendToPlayer(&buf[next_out], i - next_out);
3801 started != STARTED_HOLDINGS && leftover_start > next_out) {
3802 SendToPlayer(&buf[next_out], leftover_start - next_out);
3806 leftover_len = buf_len - leftover_start;
3807 /* if buffer ends with something we couldn't parse,
3808 reparse it after appending the next read */
3810 } else if (count == 0) {
3811 RemoveInputSource(isr);
3812 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3814 DisplayFatalError(_("Error reading from ICS"), error, 1);
3819 /* Board style 12 looks like this:
3821 <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
3823 * The "<12> " is stripped before it gets to this routine. The two
3824 * trailing 0's (flip state and clock ticking) are later addition, and
3825 * some chess servers may not have them, or may have only the first.
3826 * Additional trailing fields may be added in the future.
3829 #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"
3831 #define RELATION_OBSERVING_PLAYED 0
3832 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3833 #define RELATION_PLAYING_MYMOVE 1
3834 #define RELATION_PLAYING_NOTMYMOVE -1
3835 #define RELATION_EXAMINING 2
3836 #define RELATION_ISOLATED_BOARD -3
3837 #define RELATION_STARTING_POSITION -4 /* FICS only */
3840 ParseBoard12(string)
3843 GameMode newGameMode;
3844 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3845 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3846 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3847 char to_play, board_chars[200];
3848 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
3849 char black[32], white[32];
3851 int prevMove = currentMove;
3854 int fromX, fromY, toX, toY;
3856 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3857 char *bookHit = NULL; // [HGM] book
3858 Boolean weird = FALSE, reqFlag = FALSE;
3860 fromX = fromY = toX = toY = -1;
3864 if (appData.debugMode)
3865 fprintf(debugFP, _("Parsing board: %s\n"), string);
3867 move_str[0] = NULLCHAR;
3868 elapsed_time[0] = NULLCHAR;
3869 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3871 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3872 if(string[i] == ' ') { ranks++; files = 0; }
3874 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3877 for(j = 0; j <i; j++) board_chars[j] = string[j];
3878 board_chars[i] = '\0';
3881 n = sscanf(string, PATTERN, &to_play, &double_push,
3882 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3883 &gamenum, white, black, &relation, &basetime, &increment,
3884 &white_stren, &black_stren, &white_time, &black_time,
3885 &moveNum, str, elapsed_time, move_str, &ics_flip,
3889 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
3890 DisplayError(str, 0);
3894 /* Convert the move number to internal form */
3895 moveNum = (moveNum - 1) * 2;
3896 if (to_play == 'B') moveNum++;
3897 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3898 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3904 case RELATION_OBSERVING_PLAYED:
3905 case RELATION_OBSERVING_STATIC:
3906 if (gamenum == -1) {
3907 /* Old ICC buglet */
3908 relation = RELATION_OBSERVING_STATIC;
3910 newGameMode = IcsObserving;
3912 case RELATION_PLAYING_MYMOVE:
3913 case RELATION_PLAYING_NOTMYMOVE:
3915 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3916 IcsPlayingWhite : IcsPlayingBlack;
3918 case RELATION_EXAMINING:
3919 newGameMode = IcsExamining;
3921 case RELATION_ISOLATED_BOARD:
3923 /* Just display this board. If user was doing something else,
3924 we will forget about it until the next board comes. */
3925 newGameMode = IcsIdle;
3927 case RELATION_STARTING_POSITION:
3928 newGameMode = gameMode;
3932 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
3933 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
3934 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
3936 for (k = 0; k < ranks; k++) {
3937 for (j = 0; j < files; j++)
3938 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3939 if(gameInfo.holdingsWidth > 1) {
3940 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3941 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3944 CopyBoard(partnerBoard, board);
3945 if(toSqr = strchr(str, '/')) { // extract highlights from long move
3946 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
3947 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
3948 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
3949 if(toSqr = strchr(str, '-')) {
3950 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
3951 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
3952 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
3953 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
3954 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
3955 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3956 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
3957 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
3958 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
3959 DisplayMessage(partnerStatus, "");
3960 partnerBoardValid = TRUE;
3964 /* Modify behavior for initial board display on move listing
3967 switch (ics_getting_history) {
3971 case H_GOT_REQ_HEADER:
3972 case H_GOT_UNREQ_HEADER:
3973 /* This is the initial position of the current game */
3974 gamenum = ics_gamenum;
3975 moveNum = 0; /* old ICS bug workaround */
3976 if (to_play == 'B') {
3977 startedFromSetupPosition = TRUE;
3978 blackPlaysFirst = TRUE;
3980 if (forwardMostMove == 0) forwardMostMove = 1;
3981 if (backwardMostMove == 0) backwardMostMove = 1;
3982 if (currentMove == 0) currentMove = 1;
3984 newGameMode = gameMode;
3985 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3987 case H_GOT_UNWANTED_HEADER:
3988 /* This is an initial board that we don't want */
3990 case H_GETTING_MOVES:
3991 /* Should not happen */
3992 DisplayError(_("Error gathering move list: extra board"), 0);
3993 ics_getting_history = H_FALSE;
3997 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
3998 weird && (int)gameInfo.variant < (int)VariantShogi) {
3999 /* [HGM] We seem to have switched variant unexpectedly
4000 * Try to guess new variant from board size
4002 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4003 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4004 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4005 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4006 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4007 if(!weird) newVariant = VariantNormal;
4008 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4009 /* Get a move list just to see the header, which
4010 will tell us whether this is really bug or zh */
4011 if (ics_getting_history == H_FALSE) {
4012 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4013 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4018 /* Take action if this is the first board of a new game, or of a
4019 different game than is currently being displayed. */
4020 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4021 relation == RELATION_ISOLATED_BOARD) {
4023 /* Forget the old game and get the history (if any) of the new one */
4024 if (gameMode != BeginningOfGame) {
4028 if (appData.autoRaiseBoard) BoardToTop();
4030 if (gamenum == -1) {
4031 newGameMode = IcsIdle;
4032 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4033 appData.getMoveList && !reqFlag) {
4034 /* Need to get game history */
4035 ics_getting_history = H_REQUESTED;
4036 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4040 /* Initially flip the board to have black on the bottom if playing
4041 black or if the ICS flip flag is set, but let the user change
4042 it with the Flip View button. */
4043 flipView = appData.autoFlipView ?
4044 (newGameMode == IcsPlayingBlack) || ics_flip :
4047 /* Done with values from previous mode; copy in new ones */
4048 gameMode = newGameMode;
4050 ics_gamenum = gamenum;
4051 if (gamenum == gs_gamenum) {
4052 int klen = strlen(gs_kind);
4053 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4054 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4055 gameInfo.event = StrSave(str);
4057 gameInfo.event = StrSave("ICS game");
4059 gameInfo.site = StrSave(appData.icsHost);
4060 gameInfo.date = PGNDate();
4061 gameInfo.round = StrSave("-");
4062 gameInfo.white = StrSave(white);
4063 gameInfo.black = StrSave(black);
4064 timeControl = basetime * 60 * 1000;
4066 timeIncrement = increment * 1000;
4067 movesPerSession = 0;
4068 gameInfo.timeControl = TimeControlTagValue();
4069 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4070 if (appData.debugMode) {
4071 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4072 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4073 setbuf(debugFP, NULL);
4076 gameInfo.outOfBook = NULL;
4078 /* Do we have the ratings? */
4079 if (strcmp(player1Name, white) == 0 &&
4080 strcmp(player2Name, black) == 0) {
4081 if (appData.debugMode)
4082 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4083 player1Rating, player2Rating);
4084 gameInfo.whiteRating = player1Rating;
4085 gameInfo.blackRating = player2Rating;
4086 } else if (strcmp(player2Name, white) == 0 &&
4087 strcmp(player1Name, black) == 0) {
4088 if (appData.debugMode)
4089 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4090 player2Rating, player1Rating);
4091 gameInfo.whiteRating = player2Rating;
4092 gameInfo.blackRating = player1Rating;
4094 player1Name[0] = player2Name[0] = NULLCHAR;
4096 /* Silence shouts if requested */
4097 if (appData.quietPlay &&
4098 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4099 SendToICS(ics_prefix);
4100 SendToICS("set shout 0\n");
4104 /* Deal with midgame name changes */
4106 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4107 if (gameInfo.white) free(gameInfo.white);
4108 gameInfo.white = StrSave(white);
4110 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4111 if (gameInfo.black) free(gameInfo.black);
4112 gameInfo.black = StrSave(black);
4116 /* Throw away game result if anything actually changes in examine mode */
4117 if (gameMode == IcsExamining && !newGame) {
4118 gameInfo.result = GameUnfinished;
4119 if (gameInfo.resultDetails != NULL) {
4120 free(gameInfo.resultDetails);
4121 gameInfo.resultDetails = NULL;
4125 /* In pausing && IcsExamining mode, we ignore boards coming
4126 in if they are in a different variation than we are. */
4127 if (pauseExamInvalid) return;
4128 if (pausing && gameMode == IcsExamining) {
4129 if (moveNum <= pauseExamForwardMostMove) {
4130 pauseExamInvalid = TRUE;
4131 forwardMostMove = pauseExamForwardMostMove;
4136 if (appData.debugMode) {
4137 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4139 /* Parse the board */
4140 for (k = 0; k < ranks; k++) {
4141 for (j = 0; j < files; j++)
4142 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4143 if(gameInfo.holdingsWidth > 1) {
4144 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4145 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4148 CopyBoard(boards[moveNum], board);
4149 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4151 startedFromSetupPosition =
4152 !CompareBoards(board, initialPosition);
4153 if(startedFromSetupPosition)
4154 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4157 /* [HGM] Set castling rights. Take the outermost Rooks,
4158 to make it also work for FRC opening positions. Note that board12
4159 is really defective for later FRC positions, as it has no way to
4160 indicate which Rook can castle if they are on the same side of King.
4161 For the initial position we grant rights to the outermost Rooks,
4162 and remember thos rights, and we then copy them on positions
4163 later in an FRC game. This means WB might not recognize castlings with
4164 Rooks that have moved back to their original position as illegal,
4165 but in ICS mode that is not its job anyway.
4167 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4168 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4170 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4171 if(board[0][i] == WhiteRook) j = i;
4172 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4173 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4174 if(board[0][i] == WhiteRook) j = i;
4175 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4176 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4177 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4178 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4179 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4180 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4181 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4183 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4184 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4185 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4186 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4187 if(board[BOARD_HEIGHT-1][k] == bKing)
4188 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4189 if(gameInfo.variant == VariantTwoKings) {
4190 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4191 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4192 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4195 r = boards[moveNum][CASTLING][0] = initialRights[0];
4196 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4197 r = boards[moveNum][CASTLING][1] = initialRights[1];
4198 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4199 r = boards[moveNum][CASTLING][3] = initialRights[3];
4200 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4201 r = boards[moveNum][CASTLING][4] = initialRights[4];
4202 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4203 /* wildcastle kludge: always assume King has rights */
4204 r = boards[moveNum][CASTLING][2] = initialRights[2];
4205 r = boards[moveNum][CASTLING][5] = initialRights[5];
4207 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4208 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4211 if (ics_getting_history == H_GOT_REQ_HEADER ||
4212 ics_getting_history == H_GOT_UNREQ_HEADER) {
4213 /* This was an initial position from a move list, not
4214 the current position */
4218 /* Update currentMove and known move number limits */
4219 newMove = newGame || moveNum > forwardMostMove;
4222 forwardMostMove = backwardMostMove = currentMove = moveNum;
4223 if (gameMode == IcsExamining && moveNum == 0) {
4224 /* Workaround for ICS limitation: we are not told the wild
4225 type when starting to examine a game. But if we ask for
4226 the move list, the move list header will tell us */
4227 ics_getting_history = H_REQUESTED;
4228 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4231 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4232 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4234 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4235 /* [HGM] applied this also to an engine that is silently watching */
4236 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4237 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4238 gameInfo.variant == currentlyInitializedVariant) {
4239 takeback = forwardMostMove - moveNum;
4240 for (i = 0; i < takeback; i++) {
4241 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4242 SendToProgram("undo\n", &first);
4247 forwardMostMove = moveNum;
4248 if (!pausing || currentMove > forwardMostMove)
4249 currentMove = forwardMostMove;
4251 /* New part of history that is not contiguous with old part */
4252 if (pausing && gameMode == IcsExamining) {
4253 pauseExamInvalid = TRUE;
4254 forwardMostMove = pauseExamForwardMostMove;
4257 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4259 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4260 // [HGM] when we will receive the move list we now request, it will be
4261 // fed to the engine from the first move on. So if the engine is not
4262 // in the initial position now, bring it there.
4263 InitChessProgram(&first, 0);
4266 ics_getting_history = H_REQUESTED;
4267 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4270 forwardMostMove = backwardMostMove = currentMove = moveNum;
4273 /* Update the clocks */
4274 if (strchr(elapsed_time, '.')) {
4276 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4277 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4279 /* Time is in seconds */
4280 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4281 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4286 if (appData.zippyPlay && newGame &&
4287 gameMode != IcsObserving && gameMode != IcsIdle &&
4288 gameMode != IcsExamining)
4289 ZippyFirstBoard(moveNum, basetime, increment);
4292 /* Put the move on the move list, first converting
4293 to canonical algebraic form. */
4295 if (appData.debugMode) {
4296 if (appData.debugMode) { int f = forwardMostMove;
4297 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4298 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4299 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4301 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4302 fprintf(debugFP, "moveNum = %d\n", moveNum);
4303 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4304 setbuf(debugFP, NULL);
4306 if (moveNum <= backwardMostMove) {
4307 /* We don't know what the board looked like before
4309 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4310 strcat(parseList[moveNum - 1], " ");
4311 strcat(parseList[moveNum - 1], elapsed_time);
4312 moveList[moveNum - 1][0] = NULLCHAR;
4313 } else if (strcmp(move_str, "none") == 0) {
4314 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4315 /* Again, we don't know what the board looked like;
4316 this is really the start of the game. */
4317 parseList[moveNum - 1][0] = NULLCHAR;
4318 moveList[moveNum - 1][0] = NULLCHAR;
4319 backwardMostMove = moveNum;
4320 startedFromSetupPosition = TRUE;
4321 fromX = fromY = toX = toY = -1;
4323 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4324 // So we parse the long-algebraic move string in stead of the SAN move
4325 int valid; char buf[MSG_SIZ], *prom;
4327 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4328 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4329 // str looks something like "Q/a1-a2"; kill the slash
4331 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4332 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4333 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4334 strcat(buf, prom); // long move lacks promo specification!
4335 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4336 if(appData.debugMode)
4337 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4338 safeStrCpy(move_str, buf, MSG_SIZ);
4340 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4341 &fromX, &fromY, &toX, &toY, &promoChar)
4342 || ParseOneMove(buf, moveNum - 1, &moveType,
4343 &fromX, &fromY, &toX, &toY, &promoChar);
4344 // end of long SAN patch
4346 (void) CoordsToAlgebraic(boards[moveNum - 1],
4347 PosFlags(moveNum - 1),
4348 fromY, fromX, toY, toX, promoChar,
4349 parseList[moveNum-1]);
4350 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4356 if(gameInfo.variant != VariantShogi)
4357 strcat(parseList[moveNum - 1], "+");
4360 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4361 strcat(parseList[moveNum - 1], "#");
4364 strcat(parseList[moveNum - 1], " ");
4365 strcat(parseList[moveNum - 1], elapsed_time);
4366 /* currentMoveString is set as a side-effect of ParseOneMove */
4367 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4368 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4369 strcat(moveList[moveNum - 1], "\n");
4371 if(gameInfo.holdingsWidth && !appData.disguise) // inherit info that ICS does not give from previous board
4372 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4373 ChessSquare old, new = boards[moveNum][k][j];
4374 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4375 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4376 if(old == new) continue;
4377 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4378 else if(new == WhiteWazir || new == BlackWazir) {
4379 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4380 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4381 else boards[moveNum][k][j] = old; // preserve type of Gold
4382 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4383 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4386 /* Move from ICS was illegal!? Punt. */
4387 if (appData.debugMode) {
4388 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4389 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4391 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4392 strcat(parseList[moveNum - 1], " ");
4393 strcat(parseList[moveNum - 1], elapsed_time);
4394 moveList[moveNum - 1][0] = NULLCHAR;
4395 fromX = fromY = toX = toY = -1;
4398 if (appData.debugMode) {
4399 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4400 setbuf(debugFP, NULL);
4404 /* Send move to chess program (BEFORE animating it). */
4405 if (appData.zippyPlay && !newGame && newMove &&
4406 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4408 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4409 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4410 if (moveList[moveNum - 1][0] == NULLCHAR) {
4411 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4413 DisplayError(str, 0);
4415 if (first.sendTime) {
4416 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4418 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4419 if (firstMove && !bookHit) {
4421 if (first.useColors) {
4422 SendToProgram(gameMode == IcsPlayingWhite ?
4424 "black\ngo\n", &first);
4426 SendToProgram("go\n", &first);
4428 first.maybeThinking = TRUE;
4431 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4432 if (moveList[moveNum - 1][0] == NULLCHAR) {
4433 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4434 DisplayError(str, 0);
4436 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4437 SendMoveToProgram(moveNum - 1, &first);
4444 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4445 /* If move comes from a remote source, animate it. If it
4446 isn't remote, it will have already been animated. */
4447 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4448 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4450 if (!pausing && appData.highlightLastMove) {
4451 SetHighlights(fromX, fromY, toX, toY);
4455 /* Start the clocks */
4456 whiteFlag = blackFlag = FALSE;
4457 appData.clockMode = !(basetime == 0 && increment == 0);
4459 ics_clock_paused = TRUE;
4461 } else if (ticking == 1) {
4462 ics_clock_paused = FALSE;
4464 if (gameMode == IcsIdle ||
4465 relation == RELATION_OBSERVING_STATIC ||
4466 relation == RELATION_EXAMINING ||
4468 DisplayBothClocks();
4472 /* Display opponents and material strengths */
4473 if (gameInfo.variant != VariantBughouse &&
4474 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4475 if (tinyLayout || smallLayout) {
4476 if(gameInfo.variant == VariantNormal)
4477 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4478 gameInfo.white, white_stren, gameInfo.black, black_stren,
4479 basetime, increment);
4481 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4482 gameInfo.white, white_stren, gameInfo.black, black_stren,
4483 basetime, increment, (int) gameInfo.variant);
4485 if(gameInfo.variant == VariantNormal)
4486 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4487 gameInfo.white, white_stren, gameInfo.black, black_stren,
4488 basetime, increment);
4490 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4491 gameInfo.white, white_stren, gameInfo.black, black_stren,
4492 basetime, increment, VariantName(gameInfo.variant));
4495 if (appData.debugMode) {
4496 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4501 /* Display the board */
4502 if (!pausing && !appData.noGUI) {
4504 if (appData.premove)
4506 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4507 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4508 ClearPremoveHighlights();
4510 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4511 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4512 DrawPosition(j, boards[currentMove]);
4514 DisplayMove(moveNum - 1);
4515 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4516 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4517 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4518 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4522 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4524 if(bookHit) { // [HGM] book: simulate book reply
4525 static char bookMove[MSG_SIZ]; // a bit generous?
4527 programStats.nodes = programStats.depth = programStats.time =
4528 programStats.score = programStats.got_only_move = 0;
4529 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4531 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4532 strcat(bookMove, bookHit);
4533 HandleMachineMove(bookMove, &first);
4542 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4543 ics_getting_history = H_REQUESTED;
4544 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4550 AnalysisPeriodicEvent(force)
4553 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4554 && !force) || !appData.periodicUpdates)
4557 /* Send . command to Crafty to collect stats */
4558 SendToProgram(".\n", &first);
4560 /* Don't send another until we get a response (this makes
4561 us stop sending to old Crafty's which don't understand
4562 the "." command (sending illegal cmds resets node count & time,
4563 which looks bad)) */
4564 programStats.ok_to_send = 0;
4567 void ics_update_width(new_width)
4570 ics_printf("set width %d\n", new_width);
4574 SendMoveToProgram(moveNum, cps)
4576 ChessProgramState *cps;
4580 if (cps->useUsermove) {
4581 SendToProgram("usermove ", cps);
4585 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4586 int len = space - parseList[moveNum];
4587 memcpy(buf, parseList[moveNum], len);
4589 buf[len] = NULLCHAR;
4591 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4593 SendToProgram(buf, cps);
4595 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4596 AlphaRank(moveList[moveNum], 4);
4597 SendToProgram(moveList[moveNum], cps);
4598 AlphaRank(moveList[moveNum], 4); // and back
4600 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4601 * the engine. It would be nice to have a better way to identify castle
4603 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4604 && cps->useOOCastle) {
4605 int fromX = moveList[moveNum][0] - AAA;
4606 int fromY = moveList[moveNum][1] - ONE;
4607 int toX = moveList[moveNum][2] - AAA;
4608 int toY = moveList[moveNum][3] - ONE;
4609 if((boards[moveNum][fromY][fromX] == WhiteKing
4610 && boards[moveNum][toY][toX] == WhiteRook)
4611 || (boards[moveNum][fromY][fromX] == BlackKing
4612 && boards[moveNum][toY][toX] == BlackRook)) {
4613 if(toX > fromX) SendToProgram("O-O\n", cps);
4614 else SendToProgram("O-O-O\n", cps);
4616 else SendToProgram(moveList[moveNum], cps);
4618 else SendToProgram(moveList[moveNum], cps);
4619 /* End of additions by Tord */
4622 /* [HGM] setting up the opening has brought engine in force mode! */
4623 /* Send 'go' if we are in a mode where machine should play. */
4624 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4625 (gameMode == TwoMachinesPlay ||
4627 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4629 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4630 SendToProgram("go\n", cps);
4631 if (appData.debugMode) {
4632 fprintf(debugFP, "(extra)\n");
4635 setboardSpoiledMachineBlack = 0;
4639 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4641 int fromX, fromY, toX, toY;
4644 char user_move[MSG_SIZ];
4648 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4649 (int)moveType, fromX, fromY, toX, toY);
4650 DisplayError(user_move + strlen("say "), 0);
4652 case WhiteKingSideCastle:
4653 case BlackKingSideCastle:
4654 case WhiteQueenSideCastleWild:
4655 case BlackQueenSideCastleWild:
4657 case WhiteHSideCastleFR:
4658 case BlackHSideCastleFR:
4660 snprintf(user_move, MSG_SIZ, "o-o\n");
4662 case WhiteQueenSideCastle:
4663 case BlackQueenSideCastle:
4664 case WhiteKingSideCastleWild:
4665 case BlackKingSideCastleWild:
4667 case WhiteASideCastleFR:
4668 case BlackASideCastleFR:
4670 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4672 case WhiteNonPromotion:
4673 case BlackNonPromotion:
4674 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4676 case WhitePromotion:
4677 case BlackPromotion:
4678 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4679 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4680 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4681 PieceToChar(WhiteFerz));
4682 else if(gameInfo.variant == VariantGreat)
4683 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4684 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4685 PieceToChar(WhiteMan));
4687 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4688 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4694 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
4695 ToUpper(PieceToChar((ChessSquare) fromX)),
4696 AAA + toX, ONE + toY);
4698 case IllegalMove: /* could be a variant we don't quite understand */
4699 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
4701 case WhiteCapturesEnPassant:
4702 case BlackCapturesEnPassant:
4703 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
4704 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4707 SendToICS(user_move);
4708 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4709 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4714 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
4715 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
4716 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
4717 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
4718 DisplayError("You cannot do this while you are playing or observing", 0);
4721 if(gameMode != IcsExamining) { // is this ever not the case?
4722 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
4724 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
4725 snprintf(command,MSG_SIZ, "match %s", ics_handle);
4726 } else { // on FICS we must first go to general examine mode
4727 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
4729 if(gameInfo.variant != VariantNormal) {
4730 // try figure out wild number, as xboard names are not always valid on ICS
4731 for(i=1; i<=36; i++) {
4732 snprintf(buf, MSG_SIZ, "wild/%d", i);
4733 if(StringToVariant(buf) == gameInfo.variant) break;
4735 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
4736 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
4737 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
4738 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
4739 SendToICS(ics_prefix);
4741 if(startedFromSetupPosition || backwardMostMove != 0) {
4742 fen = PositionToFEN(backwardMostMove, NULL);
4743 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
4744 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
4746 } else { // FICS: everything has to set by separate bsetup commands
4747 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
4748 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
4750 if(!WhiteOnMove(backwardMostMove)) {
4751 SendToICS("bsetup tomove black\n");
4753 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
4754 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
4756 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
4757 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
4759 i = boards[backwardMostMove][EP_STATUS];
4760 if(i >= 0) { // set e.p.
4761 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
4767 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
4768 SendToICS("bsetup done\n"); // switch to normal examining.
4770 for(i = backwardMostMove; i<last; i++) {
4772 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
4775 SendToICS(ics_prefix);
4776 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
4780 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4785 if (rf == DROP_RANK) {
4786 sprintf(move, "%c@%c%c\n",
4787 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4789 if (promoChar == 'x' || promoChar == NULLCHAR) {
4790 sprintf(move, "%c%c%c%c\n",
4791 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4793 sprintf(move, "%c%c%c%c%c\n",
4794 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4800 ProcessICSInitScript(f)
4805 while (fgets(buf, MSG_SIZ, f)) {
4806 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4813 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4815 AlphaRank(char *move, int n)
4817 // char *p = move, c; int x, y;
4819 if (appData.debugMode) {
4820 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4824 move[2]>='0' && move[2]<='9' &&
4825 move[3]>='a' && move[3]<='x' ) {
4827 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4828 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4830 if(move[0]>='0' && move[0]<='9' &&
4831 move[1]>='a' && move[1]<='x' &&
4832 move[2]>='0' && move[2]<='9' &&
4833 move[3]>='a' && move[3]<='x' ) {
4834 /* input move, Shogi -> normal */
4835 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4836 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4837 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4838 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4841 move[3]>='0' && move[3]<='9' &&
4842 move[2]>='a' && move[2]<='x' ) {
4844 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4845 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4848 move[0]>='a' && move[0]<='x' &&
4849 move[3]>='0' && move[3]<='9' &&
4850 move[2]>='a' && move[2]<='x' ) {
4851 /* output move, normal -> Shogi */
4852 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4853 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4854 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4855 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4856 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4858 if (appData.debugMode) {
4859 fprintf(debugFP, " out = '%s'\n", move);
4863 char yy_textstr[8000];
4865 /* Parser for moves from gnuchess, ICS, or user typein box */
4867 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4870 ChessMove *moveType;
4871 int *fromX, *fromY, *toX, *toY;
4874 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
4876 switch (*moveType) {
4877 case WhitePromotion:
4878 case BlackPromotion:
4879 case WhiteNonPromotion:
4880 case BlackNonPromotion:
4882 case WhiteCapturesEnPassant:
4883 case BlackCapturesEnPassant:
4884 case WhiteKingSideCastle:
4885 case WhiteQueenSideCastle:
4886 case BlackKingSideCastle:
4887 case BlackQueenSideCastle:
4888 case WhiteKingSideCastleWild:
4889 case WhiteQueenSideCastleWild:
4890 case BlackKingSideCastleWild:
4891 case BlackQueenSideCastleWild:
4892 /* Code added by Tord: */
4893 case WhiteHSideCastleFR:
4894 case WhiteASideCastleFR:
4895 case BlackHSideCastleFR:
4896 case BlackASideCastleFR:
4897 /* End of code added by Tord */
4898 case IllegalMove: /* bug or odd chess variant */
4899 *fromX = currentMoveString[0] - AAA;
4900 *fromY = currentMoveString[1] - ONE;
4901 *toX = currentMoveString[2] - AAA;
4902 *toY = currentMoveString[3] - ONE;
4903 *promoChar = currentMoveString[4];
4904 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4905 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4906 if (appData.debugMode) {
4907 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4909 *fromX = *fromY = *toX = *toY = 0;
4912 if (appData.testLegality) {
4913 return (*moveType != IllegalMove);
4915 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4916 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4921 *fromX = *moveType == WhiteDrop ?
4922 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4923 (int) CharToPiece(ToLower(currentMoveString[0]));
4925 *toX = currentMoveString[2] - AAA;
4926 *toY = currentMoveString[3] - ONE;
4927 *promoChar = NULLCHAR;
4931 case ImpossibleMove:
4941 if (appData.debugMode) {
4942 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4945 *fromX = *fromY = *toX = *toY = 0;
4946 *promoChar = NULLCHAR;
4953 ParsePV(char *pv, Boolean storeComments)
4954 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4955 int fromX, fromY, toX, toY; char promoChar;
4960 endPV = forwardMostMove;
4962 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
4963 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
4964 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4965 if(appData.debugMode){
4966 fprintf(debugFP,"parsePV: %d %c%c%c%c yy='%s'\nPV = '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, yy_textstr, pv);
4968 if(!valid && nr == 0 &&
4969 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4970 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4971 // Hande case where played move is different from leading PV move
4972 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
4973 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
4974 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
4975 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
4976 endPV += 2; // if position different, keep this
4977 moveList[endPV-1][0] = fromX + AAA;
4978 moveList[endPV-1][1] = fromY + ONE;
4979 moveList[endPV-1][2] = toX + AAA;
4980 moveList[endPV-1][3] = toY + ONE;
4981 parseList[endPV-1][0] = NULLCHAR;
4982 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
4985 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
4986 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
4987 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
4988 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
4989 valid++; // allow comments in PV
4993 if(endPV+1 > framePtr) break; // no space, truncate
4996 CopyBoard(boards[endPV], boards[endPV-1]);
4997 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
4998 moveList[endPV-1][0] = fromX + AAA;
4999 moveList[endPV-1][1] = fromY + ONE;
5000 moveList[endPV-1][2] = toX + AAA;
5001 moveList[endPV-1][3] = toY + ONE;
5002 moveList[endPV-1][4] = promoChar;
5003 moveList[endPV-1][5] = NULLCHAR;
5004 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5006 CoordsToAlgebraic(boards[endPV - 1],
5007 PosFlags(endPV - 1),
5008 fromY, fromX, toY, toX, promoChar,
5009 parseList[endPV - 1]);
5011 parseList[endPV-1][0] = NULLCHAR;
5013 currentMove = endPV;
5014 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5015 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5016 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5017 DrawPosition(TRUE, boards[currentMove]);
5020 static int lastX, lastY;
5023 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5028 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5029 lastX = x; lastY = y;
5030 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5032 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5033 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5035 do{ while(buf[index] && buf[index] != '\n') index++;
5036 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5038 ParsePV(buf+startPV, FALSE);
5039 *start = startPV; *end = index-1;
5044 LoadPV(int x, int y)
5045 { // called on right mouse click to load PV
5046 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5047 lastX = x; lastY = y;
5048 ParsePV(lastPV[which], FALSE); // load the PV of the thinking engine in the boards array.
5055 if(endPV < 0) return;
5057 currentMove = forwardMostMove;
5058 ClearPremoveHighlights();
5059 DrawPosition(TRUE, boards[currentMove]);
5063 MovePV(int x, int y, int h)
5064 { // step through PV based on mouse coordinates (called on mouse move)
5065 int margin = h>>3, step = 0;
5067 if(endPV < 0) return;
5068 // we must somehow check if right button is still down (might be released off board!)
5069 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
5070 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
5071 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
5073 lastX = x; lastY = y;
5074 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5075 currentMove += step;
5076 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5077 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5078 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5079 DrawPosition(FALSE, boards[currentMove]);
5083 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5084 // All positions will have equal probability, but the current method will not provide a unique
5085 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5091 int piecesLeft[(int)BlackPawn];
5092 int seed, nrOfShuffles;
5094 void GetPositionNumber()
5095 { // sets global variable seed
5098 seed = appData.defaultFrcPosition;
5099 if(seed < 0) { // randomize based on time for negative FRC position numbers
5100 for(i=0; i<50; i++) seed += random();
5101 seed = random() ^ random() >> 8 ^ random() << 8;
5102 if(seed<0) seed = -seed;
5106 int put(Board board, int pieceType, int rank, int n, int shade)
5107 // put the piece on the (n-1)-th empty squares of the given shade
5111 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5112 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5113 board[rank][i] = (ChessSquare) pieceType;
5114 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5116 piecesLeft[pieceType]--;
5124 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5125 // calculate where the next piece goes, (any empty square), and put it there
5129 i = seed % squaresLeft[shade];
5130 nrOfShuffles *= squaresLeft[shade];
5131 seed /= squaresLeft[shade];
5132 put(board, pieceType, rank, i, shade);
5135 void AddTwoPieces(Board board, int pieceType, int rank)
5136 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5138 int i, n=squaresLeft[ANY], j=n-1, k;
5140 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5141 i = seed % k; // pick one
5144 while(i >= j) i -= j--;
5145 j = n - 1 - j; i += j;
5146 put(board, pieceType, rank, j, ANY);
5147 put(board, pieceType, rank, i, ANY);
5150 void SetUpShuffle(Board board, int number)
5154 GetPositionNumber(); nrOfShuffles = 1;
5156 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5157 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5158 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5160 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5162 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5163 p = (int) board[0][i];
5164 if(p < (int) BlackPawn) piecesLeft[p] ++;
5165 board[0][i] = EmptySquare;
5168 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5169 // shuffles restricted to allow normal castling put KRR first
5170 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5171 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5172 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5173 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5174 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5175 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5176 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5177 put(board, WhiteRook, 0, 0, ANY);
5178 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5181 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5182 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5183 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5184 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5185 while(piecesLeft[p] >= 2) {
5186 AddOnePiece(board, p, 0, LITE);
5187 AddOnePiece(board, p, 0, DARK);
5189 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5192 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5193 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5194 // but we leave King and Rooks for last, to possibly obey FRC restriction
5195 if(p == (int)WhiteRook) continue;
5196 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5197 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5200 // now everything is placed, except perhaps King (Unicorn) and Rooks
5202 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5203 // Last King gets castling rights
5204 while(piecesLeft[(int)WhiteUnicorn]) {
5205 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5206 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5209 while(piecesLeft[(int)WhiteKing]) {
5210 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5211 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5216 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5217 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5220 // Only Rooks can be left; simply place them all
5221 while(piecesLeft[(int)WhiteRook]) {
5222 i = put(board, WhiteRook, 0, 0, ANY);
5223 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5226 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5228 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5231 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5232 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5235 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5238 int SetCharTable( char *table, const char * map )
5239 /* [HGM] moved here from winboard.c because of its general usefulness */
5240 /* Basically a safe strcpy that uses the last character as King */
5242 int result = FALSE; int NrPieces;
5244 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5245 && NrPieces >= 12 && !(NrPieces&1)) {
5246 int i; /* [HGM] Accept even length from 12 to 34 */
5248 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5249 for( i=0; i<NrPieces/2-1; i++ ) {
5251 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5253 table[(int) WhiteKing] = map[NrPieces/2-1];
5254 table[(int) BlackKing] = map[NrPieces-1];
5262 void Prelude(Board board)
5263 { // [HGM] superchess: random selection of exo-pieces
5264 int i, j, k; ChessSquare p;
5265 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5267 GetPositionNumber(); // use FRC position number
5269 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5270 SetCharTable(pieceToChar, appData.pieceToCharTable);
5271 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5272 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5275 j = seed%4; seed /= 4;
5276 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5277 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5278 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5279 j = seed%3 + (seed%3 >= j); seed /= 3;
5280 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5281 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5282 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5283 j = seed%3; seed /= 3;
5284 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5285 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5286 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5287 j = seed%2 + (seed%2 >= j); seed /= 2;
5288 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5289 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5290 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5291 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5292 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5293 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5294 put(board, exoPieces[0], 0, 0, ANY);
5295 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5299 InitPosition(redraw)
5302 ChessSquare (* pieces)[BOARD_FILES];
5303 int i, j, pawnRow, overrule,
5304 oldx = gameInfo.boardWidth,
5305 oldy = gameInfo.boardHeight,
5306 oldh = gameInfo.holdingsWidth;
5309 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5311 /* [AS] Initialize pv info list [HGM] and game status */
5313 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5314 pvInfoList[i].depth = 0;
5315 boards[i][EP_STATUS] = EP_NONE;
5316 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5319 initialRulePlies = 0; /* 50-move counter start */
5321 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5322 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5326 /* [HGM] logic here is completely changed. In stead of full positions */
5327 /* the initialized data only consist of the two backranks. The switch */
5328 /* selects which one we will use, which is than copied to the Board */
5329 /* initialPosition, which for the rest is initialized by Pawns and */
5330 /* empty squares. This initial position is then copied to boards[0], */
5331 /* possibly after shuffling, so that it remains available. */
5333 gameInfo.holdingsWidth = 0; /* default board sizes */
5334 gameInfo.boardWidth = 8;
5335 gameInfo.boardHeight = 8;
5336 gameInfo.holdingsSize = 0;
5337 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5338 for(i=0; i<BOARD_FILES-2; i++)
5339 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5340 initialPosition[EP_STATUS] = EP_NONE;
5341 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5342 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5343 SetCharTable(pieceNickName, appData.pieceNickNames);
5344 else SetCharTable(pieceNickName, "............");
5347 switch (gameInfo.variant) {
5348 case VariantFischeRandom:
5349 shuffleOpenings = TRUE;
5352 case VariantShatranj:
5353 pieces = ShatranjArray;
5354 nrCastlingRights = 0;
5355 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5358 pieces = makrukArray;
5359 nrCastlingRights = 0;
5360 startedFromSetupPosition = TRUE;
5361 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5363 case VariantTwoKings:
5364 pieces = twoKingsArray;
5366 case VariantCapaRandom:
5367 shuffleOpenings = TRUE;
5368 case VariantCapablanca:
5369 pieces = CapablancaArray;
5370 gameInfo.boardWidth = 10;
5371 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5374 pieces = GothicArray;
5375 gameInfo.boardWidth = 10;
5376 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5379 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5380 gameInfo.holdingsSize = 7;
5383 pieces = JanusArray;
5384 gameInfo.boardWidth = 10;
5385 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5386 nrCastlingRights = 6;
5387 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5388 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5389 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5390 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5391 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5392 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5395 pieces = FalconArray;
5396 gameInfo.boardWidth = 10;
5397 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5399 case VariantXiangqi:
5400 pieces = XiangqiArray;
5401 gameInfo.boardWidth = 9;
5402 gameInfo.boardHeight = 10;
5403 nrCastlingRights = 0;
5404 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5407 pieces = ShogiArray;
5408 gameInfo.boardWidth = 9;
5409 gameInfo.boardHeight = 9;
5410 gameInfo.holdingsSize = 7;
5411 nrCastlingRights = 0;
5412 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5414 case VariantCourier:
5415 pieces = CourierArray;
5416 gameInfo.boardWidth = 12;
5417 nrCastlingRights = 0;
5418 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5420 case VariantKnightmate:
5421 pieces = KnightmateArray;
5422 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5424 case VariantSpartan:
5425 pieces = SpartanArray;
5426 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5429 pieces = fairyArray;
5430 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5433 pieces = GreatArray;
5434 gameInfo.boardWidth = 10;
5435 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5436 gameInfo.holdingsSize = 8;
5440 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5441 gameInfo.holdingsSize = 8;
5442 startedFromSetupPosition = TRUE;
5444 case VariantCrazyhouse:
5445 case VariantBughouse:
5447 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5448 gameInfo.holdingsSize = 5;
5450 case VariantWildCastle:
5452 /* !!?shuffle with kings guaranteed to be on d or e file */
5453 shuffleOpenings = 1;
5455 case VariantNoCastle:
5457 nrCastlingRights = 0;
5458 /* !!?unconstrained back-rank shuffle */
5459 shuffleOpenings = 1;
5464 if(appData.NrFiles >= 0) {
5465 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5466 gameInfo.boardWidth = appData.NrFiles;
5468 if(appData.NrRanks >= 0) {
5469 gameInfo.boardHeight = appData.NrRanks;
5471 if(appData.holdingsSize >= 0) {
5472 i = appData.holdingsSize;
5473 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5474 gameInfo.holdingsSize = i;
5476 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5477 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5478 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5480 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5481 if(pawnRow < 1) pawnRow = 1;
5482 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5484 /* User pieceToChar list overrules defaults */
5485 if(appData.pieceToCharTable != NULL)
5486 SetCharTable(pieceToChar, appData.pieceToCharTable);
5488 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5490 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5491 s = (ChessSquare) 0; /* account holding counts in guard band */
5492 for( i=0; i<BOARD_HEIGHT; i++ )
5493 initialPosition[i][j] = s;
5495 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5496 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5497 initialPosition[pawnRow][j] = WhitePawn;
5498 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5499 if(gameInfo.variant == VariantXiangqi) {
5501 initialPosition[pawnRow][j] =
5502 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5503 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5504 initialPosition[2][j] = WhiteCannon;
5505 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5509 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5511 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5514 initialPosition[1][j] = WhiteBishop;
5515 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5517 initialPosition[1][j] = WhiteRook;
5518 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5521 if( nrCastlingRights == -1) {
5522 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5523 /* This sets default castling rights from none to normal corners */
5524 /* Variants with other castling rights must set them themselves above */
5525 nrCastlingRights = 6;
5527 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5528 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5529 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5530 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5531 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5532 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5535 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5536 if(gameInfo.variant == VariantGreat) { // promotion commoners
5537 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5538 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5539 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5540 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5542 if( gameInfo.variant == VariantSChess ) {
5543 initialPosition[1][0] = BlackMarshall;
5544 initialPosition[2][0] = BlackAngel;
5545 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5546 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5547 initialPosition[1][1] = initialPosition[2][1] =
5548 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5550 if (appData.debugMode) {
5551 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5553 if(shuffleOpenings) {
5554 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5555 startedFromSetupPosition = TRUE;
5557 if(startedFromPositionFile) {
5558 /* [HGM] loadPos: use PositionFile for every new game */
5559 CopyBoard(initialPosition, filePosition);
5560 for(i=0; i<nrCastlingRights; i++)
5561 initialRights[i] = filePosition[CASTLING][i];
5562 startedFromSetupPosition = TRUE;
5565 CopyBoard(boards[0], initialPosition);
5567 if(oldx != gameInfo.boardWidth ||
5568 oldy != gameInfo.boardHeight ||
5569 oldv != gameInfo.variant ||
5570 oldh != gameInfo.holdingsWidth
5572 InitDrawingSizes(-2 ,0);
5574 oldv = gameInfo.variant;
5576 DrawPosition(TRUE, boards[currentMove]);
5580 SendBoard(cps, moveNum)
5581 ChessProgramState *cps;
5584 char message[MSG_SIZ];
5586 if (cps->useSetboard) {
5587 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5588 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
5589 SendToProgram(message, cps);
5595 /* Kludge to set black to move, avoiding the troublesome and now
5596 * deprecated "black" command.
5598 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
5599 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
5601 SendToProgram("edit\n", cps);
5602 SendToProgram("#\n", cps);
5603 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5604 bp = &boards[moveNum][i][BOARD_LEFT];
5605 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5606 if ((int) *bp < (int) BlackPawn) {
5607 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
5609 if(message[0] == '+' || message[0] == '~') {
5610 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5611 PieceToChar((ChessSquare)(DEMOTED *bp)),
5614 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5615 message[1] = BOARD_RGHT - 1 - j + '1';
5616 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5618 SendToProgram(message, cps);
5623 SendToProgram("c\n", cps);
5624 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5625 bp = &boards[moveNum][i][BOARD_LEFT];
5626 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5627 if (((int) *bp != (int) EmptySquare)
5628 && ((int) *bp >= (int) BlackPawn)) {
5629 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5631 if(message[0] == '+' || message[0] == '~') {
5632 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5633 PieceToChar((ChessSquare)(DEMOTED *bp)),
5636 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5637 message[1] = BOARD_RGHT - 1 - j + '1';
5638 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5640 SendToProgram(message, cps);
5645 SendToProgram(".\n", cps);
5647 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5650 static int autoQueen; // [HGM] oneclick
5653 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5655 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5656 /* [HGM] add Shogi promotions */
5657 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5662 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5663 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5665 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5666 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5669 piece = boards[currentMove][fromY][fromX];
5670 if(gameInfo.variant == VariantShogi) {
5671 promotionZoneSize = BOARD_HEIGHT/3;
5672 highestPromotingPiece = (int)WhiteFerz;
5673 } else if(gameInfo.variant == VariantMakruk) {
5674 promotionZoneSize = 3;
5677 // Treat Lance as Pawn when it is not representing Amazon
5678 if(gameInfo.variant != VariantSuper) {
5679 if(piece == WhiteLance) piece = WhitePawn; else
5680 if(piece == BlackLance) piece = BlackPawn;
5683 // next weed out all moves that do not touch the promotion zone at all
5684 if((int)piece >= BlackPawn) {
5685 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5687 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5689 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5690 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5693 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5695 // weed out mandatory Shogi promotions
5696 if(gameInfo.variant == VariantShogi) {
5697 if(piece >= BlackPawn) {
5698 if(toY == 0 && piece == BlackPawn ||
5699 toY == 0 && piece == BlackQueen ||
5700 toY <= 1 && piece == BlackKnight) {
5705 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5706 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5707 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5714 // weed out obviously illegal Pawn moves
5715 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5716 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5717 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5718 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5719 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5720 // note we are not allowed to test for valid (non-)capture, due to premove
5723 // we either have a choice what to promote to, or (in Shogi) whether to promote
5724 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5725 *promoChoice = PieceToChar(BlackFerz); // no choice
5728 // no sense asking what we must promote to if it is going to explode...
5729 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
5730 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
5733 if(autoQueen) { // predetermined
5734 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5735 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5736 else *promoChoice = PieceToChar(BlackQueen);
5740 // suppress promotion popup on illegal moves that are not premoves
5741 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5742 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5743 if(appData.testLegality && !premove) {
5744 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5745 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
5746 if(moveType != WhitePromotion && moveType != BlackPromotion)
5754 InPalace(row, column)
5756 { /* [HGM] for Xiangqi */
5757 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5758 column < (BOARD_WIDTH + 4)/2 &&
5759 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5764 PieceForSquare (x, y)
5768 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5771 return boards[currentMove][y][x];
5775 OKToStartUserMove(x, y)
5778 ChessSquare from_piece;
5781 if (matchMode) return FALSE;
5782 if (gameMode == EditPosition) return TRUE;
5784 if (x >= 0 && y >= 0)
5785 from_piece = boards[currentMove][y][x];
5787 from_piece = EmptySquare;
5789 if (from_piece == EmptySquare) return FALSE;
5791 white_piece = (int)from_piece >= (int)WhitePawn &&
5792 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5795 case PlayFromGameFile:
5797 case TwoMachinesPlay:
5805 case MachinePlaysWhite:
5806 case IcsPlayingBlack:
5807 if (appData.zippyPlay) return FALSE;
5809 DisplayMoveError(_("You are playing Black"));
5814 case MachinePlaysBlack:
5815 case IcsPlayingWhite:
5816 if (appData.zippyPlay) return FALSE;
5818 DisplayMoveError(_("You are playing White"));
5824 if (!white_piece && WhiteOnMove(currentMove)) {
5825 DisplayMoveError(_("It is White's turn"));
5828 if (white_piece && !WhiteOnMove(currentMove)) {
5829 DisplayMoveError(_("It is Black's turn"));
5832 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5833 /* Editing correspondence game history */
5834 /* Could disallow this or prompt for confirmation */
5839 case BeginningOfGame:
5840 if (appData.icsActive) return FALSE;
5841 if (!appData.noChessProgram) {
5843 DisplayMoveError(_("You are playing White"));
5850 if (!white_piece && WhiteOnMove(currentMove)) {
5851 DisplayMoveError(_("It is White's turn"));
5854 if (white_piece && !WhiteOnMove(currentMove)) {
5855 DisplayMoveError(_("It is Black's turn"));
5864 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5865 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5866 && gameMode != AnalyzeFile && gameMode != Training) {
5867 DisplayMoveError(_("Displayed position is not current"));
5874 OnlyMove(int *x, int *y, Boolean captures) {
5875 DisambiguateClosure cl;
5876 if (appData.zippyPlay) return FALSE;
5878 case MachinePlaysBlack:
5879 case IcsPlayingWhite:
5880 case BeginningOfGame:
5881 if(!WhiteOnMove(currentMove)) return FALSE;
5883 case MachinePlaysWhite:
5884 case IcsPlayingBlack:
5885 if(WhiteOnMove(currentMove)) return FALSE;
5892 cl.pieceIn = EmptySquare;
5897 cl.promoCharIn = NULLCHAR;
5898 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5899 if( cl.kind == NormalMove ||
5900 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5901 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5902 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5909 if(cl.kind != ImpossibleMove) return FALSE;
5910 cl.pieceIn = EmptySquare;
5915 cl.promoCharIn = NULLCHAR;
5916 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5917 if( cl.kind == NormalMove ||
5918 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5919 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5920 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5925 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5931 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5932 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5933 int lastLoadGameUseList = FALSE;
5934 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5935 ChessMove lastLoadGameStart = EndOfFile;
5938 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5939 int fromX, fromY, toX, toY;
5943 ChessSquare pdown, pup;
5945 /* Check if the user is playing in turn. This is complicated because we
5946 let the user "pick up" a piece before it is his turn. So the piece he
5947 tried to pick up may have been captured by the time he puts it down!
5948 Therefore we use the color the user is supposed to be playing in this
5949 test, not the color of the piece that is currently on the starting
5950 square---except in EditGame mode, where the user is playing both
5951 sides; fortunately there the capture race can't happen. (It can
5952 now happen in IcsExamining mode, but that's just too bad. The user
5953 will get a somewhat confusing message in that case.)
5957 case PlayFromGameFile:
5959 case TwoMachinesPlay:
5963 /* We switched into a game mode where moves are not accepted,
5964 perhaps while the mouse button was down. */
5967 case MachinePlaysWhite:
5968 /* User is moving for Black */
5969 if (WhiteOnMove(currentMove)) {
5970 DisplayMoveError(_("It is White's turn"));
5975 case MachinePlaysBlack:
5976 /* User is moving for White */
5977 if (!WhiteOnMove(currentMove)) {
5978 DisplayMoveError(_("It is Black's turn"));
5985 case BeginningOfGame:
5988 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5989 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5990 /* User is moving for Black */
5991 if (WhiteOnMove(currentMove)) {
5992 DisplayMoveError(_("It is White's turn"));
5996 /* User is moving for White */
5997 if (!WhiteOnMove(currentMove)) {
5998 DisplayMoveError(_("It is Black's turn"));
6004 case IcsPlayingBlack:
6005 /* User is moving for Black */
6006 if (WhiteOnMove(currentMove)) {
6007 if (!appData.premove) {
6008 DisplayMoveError(_("It is White's turn"));
6009 } else if (toX >= 0 && toY >= 0) {
6012 premoveFromX = fromX;
6013 premoveFromY = fromY;
6014 premovePromoChar = promoChar;
6016 if (appData.debugMode)
6017 fprintf(debugFP, "Got premove: fromX %d,"
6018 "fromY %d, toX %d, toY %d\n",
6019 fromX, fromY, toX, toY);
6025 case IcsPlayingWhite:
6026 /* User is moving for White */
6027 if (!WhiteOnMove(currentMove)) {
6028 if (!appData.premove) {
6029 DisplayMoveError(_("It is Black's turn"));
6030 } else if (toX >= 0 && toY >= 0) {
6033 premoveFromX = fromX;
6034 premoveFromY = fromY;
6035 premovePromoChar = promoChar;
6037 if (appData.debugMode)
6038 fprintf(debugFP, "Got premove: fromX %d,"
6039 "fromY %d, toX %d, toY %d\n",
6040 fromX, fromY, toX, toY);
6050 /* EditPosition, empty square, or different color piece;
6051 click-click move is possible */
6052 if (toX == -2 || toY == -2) {
6053 boards[0][fromY][fromX] = EmptySquare;
6054 DrawPosition(FALSE, boards[currentMove]);
6056 } else if (toX >= 0 && toY >= 0) {
6057 boards[0][toY][toX] = boards[0][fromY][fromX];
6058 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6059 if(boards[0][fromY][0] != EmptySquare) {
6060 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6061 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6064 if(fromX == BOARD_RGHT+1) {
6065 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6066 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6067 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6070 boards[0][fromY][fromX] = EmptySquare;
6071 DrawPosition(FALSE, boards[currentMove]);
6077 if(toX < 0 || toY < 0) return;
6078 pdown = boards[currentMove][fromY][fromX];
6079 pup = boards[currentMove][toY][toX];
6081 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6082 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
6083 if( pup != EmptySquare ) return;
6084 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6085 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6086 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6087 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6088 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6089 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6090 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6094 /* [HGM] always test for legality, to get promotion info */
6095 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6096 fromY, fromX, toY, toX, promoChar);
6097 /* [HGM] but possibly ignore an IllegalMove result */
6098 if (appData.testLegality) {
6099 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6100 DisplayMoveError(_("Illegal move"));
6105 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6108 /* Common tail of UserMoveEvent and DropMenuEvent */
6110 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6112 int fromX, fromY, toX, toY;
6113 /*char*/int promoChar;
6117 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6118 // [HGM] superchess: suppress promotions to non-available piece
6119 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6120 if(WhiteOnMove(currentMove)) {
6121 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6123 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6127 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6128 move type in caller when we know the move is a legal promotion */
6129 if(moveType == NormalMove && promoChar)
6130 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6132 /* [HGM] <popupFix> The following if has been moved here from
6133 UserMoveEvent(). Because it seemed to belong here (why not allow
6134 piece drops in training games?), and because it can only be
6135 performed after it is known to what we promote. */
6136 if (gameMode == Training) {
6137 /* compare the move played on the board to the next move in the
6138 * game. If they match, display the move and the opponent's response.
6139 * If they don't match, display an error message.
6143 CopyBoard(testBoard, boards[currentMove]);
6144 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6146 if (CompareBoards(testBoard, boards[currentMove+1])) {
6147 ForwardInner(currentMove+1);
6149 /* Autoplay the opponent's response.
6150 * if appData.animate was TRUE when Training mode was entered,
6151 * the response will be animated.
6153 saveAnimate = appData.animate;
6154 appData.animate = animateTraining;
6155 ForwardInner(currentMove+1);
6156 appData.animate = saveAnimate;
6158 /* check for the end of the game */
6159 if (currentMove >= forwardMostMove) {
6160 gameMode = PlayFromGameFile;
6162 SetTrainingModeOff();
6163 DisplayInformation(_("End of game"));
6166 DisplayError(_("Incorrect move"), 0);
6171 /* Ok, now we know that the move is good, so we can kill
6172 the previous line in Analysis Mode */
6173 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6174 && currentMove < forwardMostMove) {
6175 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6176 else forwardMostMove = currentMove;
6179 /* If we need the chess program but it's dead, restart it */
6180 ResurrectChessProgram();
6182 /* A user move restarts a paused game*/
6186 thinkOutput[0] = NULLCHAR;
6188 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6190 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
6192 if (gameMode == BeginningOfGame) {
6193 if (appData.noChessProgram) {
6194 gameMode = EditGame;
6198 gameMode = MachinePlaysBlack;
6201 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6203 if (first.sendName) {
6204 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6205 SendToProgram(buf, &first);
6212 /* Relay move to ICS or chess engine */
6213 if (appData.icsActive) {
6214 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6215 gameMode == IcsExamining) {
6216 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6217 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6219 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6221 // also send plain move, in case ICS does not understand atomic claims
6222 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6226 if (first.sendTime && (gameMode == BeginningOfGame ||
6227 gameMode == MachinePlaysWhite ||
6228 gameMode == MachinePlaysBlack)) {
6229 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6231 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6232 // [HGM] book: if program might be playing, let it use book
6233 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6234 first.maybeThinking = TRUE;
6235 } else SendMoveToProgram(forwardMostMove-1, &first);
6236 if (currentMove == cmailOldMove + 1) {
6237 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6241 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6245 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6251 if (WhiteOnMove(currentMove)) {
6252 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6254 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6258 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6263 case MachinePlaysBlack:
6264 case MachinePlaysWhite:
6265 /* disable certain menu options while machine is thinking */
6266 SetMachineThinkingEnables();
6273 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6275 if(bookHit) { // [HGM] book: simulate book reply
6276 static char bookMove[MSG_SIZ]; // a bit generous?
6278 programStats.nodes = programStats.depth = programStats.time =
6279 programStats.score = programStats.got_only_move = 0;
6280 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6282 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6283 strcat(bookMove, bookHit);
6284 HandleMachineMove(bookMove, &first);
6290 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6297 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6298 Markers *m = (Markers *) closure;
6299 if(rf == fromY && ff == fromX)
6300 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6301 || kind == WhiteCapturesEnPassant
6302 || kind == BlackCapturesEnPassant);
6303 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6307 MarkTargetSquares(int clear)
6310 if(!appData.markers || !appData.highlightDragging ||
6311 !appData.testLegality || gameMode == EditPosition) return;
6313 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6316 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6317 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6318 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6320 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6323 DrawPosition(TRUE, NULL);
6327 Explode(Board board, int fromX, int fromY, int toX, int toY)
6329 if(gameInfo.variant == VariantAtomic &&
6330 (board[toY][toX] != EmptySquare || // capture?
6331 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6332 board[fromY][fromX] == BlackPawn )
6334 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6340 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6342 void LeftClick(ClickType clickType, int xPix, int yPix)
6345 Boolean saveAnimate;
6346 static int second = 0, promotionChoice = 0, dragging = 0;
6347 char promoChoice = NULLCHAR;
6349 if(appData.seekGraph && appData.icsActive && loggedOn &&
6350 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6351 SeekGraphClick(clickType, xPix, yPix, 0);
6355 if (clickType == Press) ErrorPopDown();
6356 MarkTargetSquares(1);
6358 x = EventToSquare(xPix, BOARD_WIDTH);
6359 y = EventToSquare(yPix, BOARD_HEIGHT);
6360 if (!flipView && y >= 0) {
6361 y = BOARD_HEIGHT - 1 - y;
6363 if (flipView && x >= 0) {
6364 x = BOARD_WIDTH - 1 - x;
6367 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6368 if(clickType == Release) return; // ignore upclick of click-click destination
6369 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6370 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6371 if(gameInfo.holdingsWidth &&
6372 (WhiteOnMove(currentMove)
6373 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6374 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6375 // click in right holdings, for determining promotion piece
6376 ChessSquare p = boards[currentMove][y][x];
6377 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6378 if(p != EmptySquare) {
6379 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6384 DrawPosition(FALSE, boards[currentMove]);
6388 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6389 if(clickType == Press
6390 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6391 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6392 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6395 autoQueen = appData.alwaysPromoteToQueen;
6398 gatingPiece = EmptySquare;
6399 if (clickType != Press) {
6400 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6401 DragPieceEnd(xPix, yPix); dragging = 0;
6402 DrawPosition(FALSE, NULL);
6406 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6408 if (OKToStartUserMove(x, y)) {
6412 MarkTargetSquares(0);
6413 DragPieceBegin(xPix, yPix); dragging = 1;
6414 if (appData.highlightDragging) {
6415 SetHighlights(x, y, -1, -1);
6423 if (clickType == Press && gameMode != EditPosition) {
6428 // ignore off-board to clicks
6429 if(y < 0 || x < 0) return;
6431 /* Check if clicking again on the same color piece */
6432 fromP = boards[currentMove][fromY][fromX];
6433 toP = boards[currentMove][y][x];
6434 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6435 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6436 WhitePawn <= toP && toP <= WhiteKing &&
6437 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6438 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6439 (BlackPawn <= fromP && fromP <= BlackKing &&
6440 BlackPawn <= toP && toP <= BlackKing &&
6441 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6442 !(fromP == BlackKing && toP == BlackRook && frc))) {
6443 /* Clicked again on same color piece -- changed his mind */
6444 second = (x == fromX && y == fromY);
6445 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6446 if (appData.highlightDragging) {
6447 SetHighlights(x, y, -1, -1);
6451 if (OKToStartUserMove(x, y)) {
6452 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6453 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6454 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6455 gatingPiece = boards[currentMove][fromY][fromX];
6456 else gatingPiece = EmptySquare;
6458 fromY = y; dragging = 1;
6459 MarkTargetSquares(0);
6460 DragPieceBegin(xPix, yPix);
6463 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6466 // ignore clicks on holdings
6467 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6470 if (clickType == Release && x == fromX && y == fromY) {
6471 DragPieceEnd(xPix, yPix); dragging = 0;
6472 if (appData.animateDragging) {
6473 /* Undo animation damage if any */
6474 DrawPosition(FALSE, NULL);
6477 /* Second up/down in same square; just abort move */
6480 gatingPiece = EmptySquare;
6483 ClearPremoveHighlights();
6485 /* First upclick in same square; start click-click mode */
6486 SetHighlights(x, y, -1, -1);
6491 /* we now have a different from- and (possibly off-board) to-square */
6492 /* Completed move */
6495 saveAnimate = appData.animate;
6496 if (clickType == Press) {
6497 /* Finish clickclick move */
6498 if (appData.animate || appData.highlightLastMove) {
6499 SetHighlights(fromX, fromY, toX, toY);
6504 /* Finish drag move */
6505 if (appData.highlightLastMove) {
6506 SetHighlights(fromX, fromY, toX, toY);
6510 DragPieceEnd(xPix, yPix); dragging = 0;
6511 /* Don't animate move and drag both */
6512 appData.animate = FALSE;
6515 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6516 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6517 ChessSquare piece = boards[currentMove][fromY][fromX];
6518 if(gameMode == EditPosition && piece != EmptySquare &&
6519 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6522 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6523 n = PieceToNumber(piece - (int)BlackPawn);
6524 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6525 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6526 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6528 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6529 n = PieceToNumber(piece);
6530 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6531 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6532 boards[currentMove][n][BOARD_WIDTH-2]++;
6534 boards[currentMove][fromY][fromX] = EmptySquare;
6538 DrawPosition(TRUE, boards[currentMove]);
6542 // off-board moves should not be highlighted
6543 if(x < 0 || y < 0) ClearHighlights();
6545 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
6547 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6548 SetHighlights(fromX, fromY, toX, toY);
6549 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6550 // [HGM] super: promotion to captured piece selected from holdings
6551 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6552 promotionChoice = TRUE;
6553 // kludge follows to temporarily execute move on display, without promoting yet
6554 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6555 boards[currentMove][toY][toX] = p;
6556 DrawPosition(FALSE, boards[currentMove]);
6557 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6558 boards[currentMove][toY][toX] = q;
6559 DisplayMessage("Click in holdings to choose piece", "");
6564 int oldMove = currentMove;
6565 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6566 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6567 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6568 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
6569 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
6570 DrawPosition(TRUE, boards[currentMove]);
6573 appData.animate = saveAnimate;
6574 if (appData.animate || appData.animateDragging) {
6575 /* Undo animation damage if needed */
6576 DrawPosition(FALSE, NULL);
6580 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6581 { // front-end-free part taken out of PieceMenuPopup
6582 int whichMenu; int xSqr, ySqr;
6584 if(seekGraphUp) { // [HGM] seekgraph
6585 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6586 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6590 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6591 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6592 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6593 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6594 if(action == Press) {
6595 originalFlip = flipView;
6596 flipView = !flipView; // temporarily flip board to see game from partners perspective
6597 DrawPosition(TRUE, partnerBoard);
6598 DisplayMessage(partnerStatus, "");
6600 } else if(action == Release) {
6601 flipView = originalFlip;
6602 DrawPosition(TRUE, boards[currentMove]);
6608 xSqr = EventToSquare(x, BOARD_WIDTH);
6609 ySqr = EventToSquare(y, BOARD_HEIGHT);
6610 if (action == Release) UnLoadPV(); // [HGM] pv
6611 if (action != Press) return -2; // return code to be ignored
6614 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6616 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6617 if (xSqr < 0 || ySqr < 0) return -1;
\r
6618 whichMenu = 0; // edit-position menu
6621 if(!appData.icsEngineAnalyze) return -1;
6622 case IcsPlayingWhite:
6623 case IcsPlayingBlack:
6624 if(!appData.zippyPlay) goto noZip;
6627 case MachinePlaysWhite:
6628 case MachinePlaysBlack:
6629 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6630 if (!appData.dropMenu) {
6632 return 2; // flag front-end to grab mouse events
6634 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6635 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6638 if (xSqr < 0 || ySqr < 0) return -1;
6639 if (!appData.dropMenu || appData.testLegality &&
6640 gameInfo.variant != VariantBughouse &&
6641 gameInfo.variant != VariantCrazyhouse) return -1;
6642 whichMenu = 1; // drop menu
6648 if (((*fromX = xSqr) < 0) ||
6649 ((*fromY = ySqr) < 0)) {
6650 *fromX = *fromY = -1;
6654 *fromX = BOARD_WIDTH - 1 - *fromX;
6656 *fromY = BOARD_HEIGHT - 1 - *fromY;
6661 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6663 // char * hint = lastHint;
6664 FrontEndProgramStats stats;
6666 stats.which = cps == &first ? 0 : 1;
6667 stats.depth = cpstats->depth;
6668 stats.nodes = cpstats->nodes;
6669 stats.score = cpstats->score;
6670 stats.time = cpstats->time;
6671 stats.pv = cpstats->movelist;
6672 stats.hint = lastHint;
6673 stats.an_move_index = 0;
6674 stats.an_move_count = 0;
6676 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6677 stats.hint = cpstats->move_name;
6678 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6679 stats.an_move_count = cpstats->nr_moves;
6682 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
6684 SetProgramStats( &stats );
6688 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
6689 { // count all piece types
6691 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
6692 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
6693 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
6696 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
6697 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
6698 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
6699 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
6700 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
6701 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
6706 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
6708 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
6709 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
6711 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
6712 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
6713 if(myPawns == 2 && nMine == 3) // KPP
6714 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
6715 if(myPawns == 1 && nMine == 2) // KP
6716 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6717 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
6718 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
6719 if(myPawns) return FALSE;
6720 if(pCnt[WhiteRook+side])
6721 return pCnt[BlackRook-side] ||
6722 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
6723 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
6724 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
6725 if(pCnt[WhiteCannon+side]) {
6726 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
6727 return majorDefense || pCnt[BlackAlfil-side] >= 2;
6729 if(pCnt[WhiteKnight+side])
6730 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6735 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
6737 VariantClass v = gameInfo.variant;
6739 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
6740 if(v == VariantShatranj) return TRUE; // always winnable through baring
6741 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
6742 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
6744 if(v == VariantXiangqi) {
6745 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
6747 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
6748 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
6749 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
6750 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
6751 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
6752 if(stale) // we have at least one last-rank P plus perhaps C
6753 return majors // KPKX
6754 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
6756 return pCnt[WhiteFerz+side] // KCAK
6757 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
6758 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
6759 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
6761 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
6762 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
6764 if(nMine == 1) return FALSE; // bare King
6765 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
6766 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
6767 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
6768 // by now we have King + 1 piece (or multiple Bishops on the same color)
6769 if(pCnt[WhiteKnight+side])
6770 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
6771 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
6772 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
6774 return (pCnt[BlackKnight-side]); // KBKN, KFKN
6775 if(pCnt[WhiteAlfil+side])
6776 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
6777 if(pCnt[WhiteWazir+side])
6778 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
6785 Adjudicate(ChessProgramState *cps)
6786 { // [HGM] some adjudications useful with buggy engines
6787 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6788 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6789 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6790 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6791 int k, count = 0; static int bare = 1;
6792 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6793 Boolean canAdjudicate = !appData.icsActive;
6795 // most tests only when we understand the game, i.e. legality-checking on
6796 if( appData.testLegality )
6797 { /* [HGM] Some more adjudications for obstinate engines */
6798 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
6799 static int moveCount = 6;
6801 char *reason = NULL;
6803 /* Count what is on board. */
6804 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
6806 /* Some material-based adjudications that have to be made before stalemate test */
6807 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
6808 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6809 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6810 if(canAdjudicate && appData.checkMates) {
6812 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6813 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6814 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6815 "Xboard adjudication: King destroyed", GE_XBOARD );
6820 /* Bare King in Shatranj (loses) or Losers (wins) */
6821 if( nrW == 1 || nrB == 1) {
6822 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6823 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6824 if(canAdjudicate && appData.checkMates) {
6826 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6827 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6828 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6829 "Xboard adjudication: Bare king", GE_XBOARD );
6833 if( gameInfo.variant == VariantShatranj && --bare < 0)
6835 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6836 if(canAdjudicate && appData.checkMates) {
6837 /* but only adjudicate if adjudication enabled */
6839 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6840 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6841 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
6842 "Xboard adjudication: Bare king", GE_XBOARD );
6849 // don't wait for engine to announce game end if we can judge ourselves
6850 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6852 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6853 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6854 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6855 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6858 reason = "Xboard adjudication: 3rd check";
6859 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6869 reason = "Xboard adjudication: Stalemate";
6870 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6871 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6872 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6873 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6874 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6875 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
6876 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
6877 EP_CHECKMATE : EP_WINS);
6878 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6879 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6883 reason = "Xboard adjudication: Checkmate";
6884 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6888 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6890 result = GameIsDrawn; break;
6892 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6894 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6898 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6900 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6901 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6902 GameEnds( result, reason, GE_XBOARD );
6906 /* Next absolutely insufficient mating material. */
6907 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
6908 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
6909 { /* includes KBK, KNK, KK of KBKB with like Bishops */
6911 /* always flag draws, for judging claims */
6912 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6914 if(canAdjudicate && appData.materialDraws) {
6915 /* but only adjudicate them if adjudication enabled */
6916 if(engineOpponent) {
6917 SendToProgram("force\n", engineOpponent); // suppress reply
6918 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6920 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6921 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6926 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6927 if(gameInfo.variant == VariantXiangqi ?
6928 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
6930 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
6931 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
6932 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
6933 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
6935 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6936 { /* if the first 3 moves do not show a tactical win, declare draw */
6937 if(engineOpponent) {
6938 SendToProgram("force\n", engineOpponent); // suppress reply
6939 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6941 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6942 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6945 } else moveCount = 6;
6947 if (appData.debugMode) { int i;
6948 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6949 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6950 appData.drawRepeats);
6951 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6952 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6956 // Repetition draws and 50-move rule can be applied independently of legality testing
6958 /* Check for rep-draws */
6960 for(k = forwardMostMove-2;
6961 k>=backwardMostMove && k>=forwardMostMove-100 &&
6962 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6963 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6966 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6967 /* compare castling rights */
6968 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6969 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6970 rights++; /* King lost rights, while rook still had them */
6971 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6972 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6973 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6974 rights++; /* but at least one rook lost them */
6976 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6977 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6979 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6980 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6981 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6984 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6985 && appData.drawRepeats > 1) {
6986 /* adjudicate after user-specified nr of repeats */
6987 int result = GameIsDrawn;
6988 char *details = "XBoard adjudication: repetition draw";
6989 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6990 // [HGM] xiangqi: check for forbidden perpetuals
6991 int m, ourPerpetual = 1, hisPerpetual = 1;
6992 for(m=forwardMostMove; m>k; m-=2) {
6993 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6994 ourPerpetual = 0; // the current mover did not always check
6995 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6996 hisPerpetual = 0; // the opponent did not always check
6998 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6999 ourPerpetual, hisPerpetual);
7000 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7001 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7002 details = "Xboard adjudication: perpetual checking";
7004 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7005 break; // (or we would have caught him before). Abort repetition-checking loop.
7007 // Now check for perpetual chases
7008 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7009 hisPerpetual = PerpetualChase(k, forwardMostMove);
7010 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7011 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7012 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7013 details = "Xboard adjudication: perpetual chasing";
7015 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7016 break; // Abort repetition-checking loop.
7018 // if neither of us is checking or chasing all the time, or both are, it is draw
7020 if(engineOpponent) {
7021 SendToProgram("force\n", engineOpponent); // suppress reply
7022 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7024 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7025 GameEnds( result, details, GE_XBOARD );
7028 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7029 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7033 /* Now we test for 50-move draws. Determine ply count */
7034 count = forwardMostMove;
7035 /* look for last irreversble move */
7036 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7038 /* if we hit starting position, add initial plies */
7039 if( count == backwardMostMove )
7040 count -= initialRulePlies;
7041 count = forwardMostMove - count;
7042 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7043 // adjust reversible move counter for checks in Xiangqi
7044 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7045 if(i < backwardMostMove) i = backwardMostMove;
7046 while(i <= forwardMostMove) {
7047 lastCheck = inCheck; // check evasion does not count
7048 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7049 if(inCheck || lastCheck) count--; // check does not count
7054 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7055 /* this is used to judge if draw claims are legal */
7056 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7057 if(engineOpponent) {
7058 SendToProgram("force\n", engineOpponent); // suppress reply
7059 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7061 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7062 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7066 /* if draw offer is pending, treat it as a draw claim
7067 * when draw condition present, to allow engines a way to
7068 * claim draws before making their move to avoid a race
7069 * condition occurring after their move
7071 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7073 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7074 p = "Draw claim: 50-move rule";
7075 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7076 p = "Draw claim: 3-fold repetition";
7077 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7078 p = "Draw claim: insufficient mating material";
7079 if( p != NULL && canAdjudicate) {
7080 if(engineOpponent) {
7081 SendToProgram("force\n", engineOpponent); // suppress reply
7082 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7084 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7085 GameEnds( GameIsDrawn, p, GE_XBOARD );
7090 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7091 if(engineOpponent) {
7092 SendToProgram("force\n", engineOpponent); // suppress reply
7093 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7095 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7096 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7102 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7103 { // [HGM] book: this routine intercepts moves to simulate book replies
7104 char *bookHit = NULL;
7106 //first determine if the incoming move brings opponent into his book
7107 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7108 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7109 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7110 if(bookHit != NULL && !cps->bookSuspend) {
7111 // make sure opponent is not going to reply after receiving move to book position
7112 SendToProgram("force\n", cps);
7113 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7115 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7116 // now arrange restart after book miss
7118 // after a book hit we never send 'go', and the code after the call to this routine
7119 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7121 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
7122 SendToProgram(buf, cps);
7123 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7124 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7125 SendToProgram("go\n", cps);
7126 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7127 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7128 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7129 SendToProgram("go\n", cps);
7130 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7132 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7136 ChessProgramState *savedState;
7137 void DeferredBookMove(void)
7139 if(savedState->lastPing != savedState->lastPong)
7140 ScheduleDelayedEvent(DeferredBookMove, 10);
7142 HandleMachineMove(savedMessage, savedState);
7146 HandleMachineMove(message, cps)
7148 ChessProgramState *cps;
7150 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7151 char realname[MSG_SIZ];
7152 int fromX, fromY, toX, toY;
7161 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7163 * Kludge to ignore BEL characters
7165 while (*message == '\007') message++;
7168 * [HGM] engine debug message: ignore lines starting with '#' character
7170 if(cps->debug && *message == '#') return;
7173 * Look for book output
7175 if (cps == &first && bookRequested) {
7176 if (message[0] == '\t' || message[0] == ' ') {
7177 /* Part of the book output is here; append it */
7178 strcat(bookOutput, message);
7179 strcat(bookOutput, " \n");
7181 } else if (bookOutput[0] != NULLCHAR) {
7182 /* All of book output has arrived; display it */
7183 char *p = bookOutput;
7184 while (*p != NULLCHAR) {
7185 if (*p == '\t') *p = ' ';
7188 DisplayInformation(bookOutput);
7189 bookRequested = FALSE;
7190 /* Fall through to parse the current output */
7195 * Look for machine move.
7197 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7198 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7200 /* This method is only useful on engines that support ping */
7201 if (cps->lastPing != cps->lastPong) {
7202 if (gameMode == BeginningOfGame) {
7203 /* Extra move from before last new; ignore */
7204 if (appData.debugMode) {
7205 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7208 if (appData.debugMode) {
7209 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7210 cps->which, gameMode);
7213 SendToProgram("undo\n", cps);
7219 case BeginningOfGame:
7220 /* Extra move from before last reset; ignore */
7221 if (appData.debugMode) {
7222 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7229 /* Extra move after we tried to stop. The mode test is
7230 not a reliable way of detecting this problem, but it's
7231 the best we can do on engines that don't support ping.
7233 if (appData.debugMode) {
7234 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7235 cps->which, gameMode);
7237 SendToProgram("undo\n", cps);
7240 case MachinePlaysWhite:
7241 case IcsPlayingWhite:
7242 machineWhite = TRUE;
7245 case MachinePlaysBlack:
7246 case IcsPlayingBlack:
7247 machineWhite = FALSE;
7250 case TwoMachinesPlay:
7251 machineWhite = (cps->twoMachinesColor[0] == 'w');
7254 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7255 if (appData.debugMode) {
7257 "Ignoring move out of turn by %s, gameMode %d"
7258 ", forwardMost %d\n",
7259 cps->which, gameMode, forwardMostMove);
7264 if (appData.debugMode) { int f = forwardMostMove;
7265 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7266 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7267 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7269 if(cps->alphaRank) AlphaRank(machineMove, 4);
7270 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7271 &fromX, &fromY, &toX, &toY, &promoChar)) {
7272 /* Machine move could not be parsed; ignore it. */
7273 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7274 machineMove, cps->which);
7275 DisplayError(buf1, 0);
7276 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7277 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7278 if (gameMode == TwoMachinesPlay) {
7279 GameEnds(machineWhite ? BlackWins : WhiteWins,
7285 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7286 /* So we have to redo legality test with true e.p. status here, */
7287 /* to make sure an illegal e.p. capture does not slip through, */
7288 /* to cause a forfeit on a justified illegal-move complaint */
7289 /* of the opponent. */
7290 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7292 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7293 fromY, fromX, toY, toX, promoChar);
7294 if (appData.debugMode) {
7296 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7297 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7298 fprintf(debugFP, "castling rights\n");
7300 if(moveType == IllegalMove) {
7301 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7302 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7303 GameEnds(machineWhite ? BlackWins : WhiteWins,
7306 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7307 /* [HGM] Kludge to handle engines that send FRC-style castling
7308 when they shouldn't (like TSCP-Gothic) */
7310 case WhiteASideCastleFR:
7311 case BlackASideCastleFR:
7313 currentMoveString[2]++;
7315 case WhiteHSideCastleFR:
7316 case BlackHSideCastleFR:
7318 currentMoveString[2]--;
7320 default: ; // nothing to do, but suppresses warning of pedantic compilers
7323 hintRequested = FALSE;
7324 lastHint[0] = NULLCHAR;
7325 bookRequested = FALSE;
7326 /* Program may be pondering now */
7327 cps->maybeThinking = TRUE;
7328 if (cps->sendTime == 2) cps->sendTime = 1;
7329 if (cps->offeredDraw) cps->offeredDraw--;
7331 /* currentMoveString is set as a side-effect of ParseOneMove */
7332 safeStrCpy(machineMove, currentMoveString, sizeof(machineMove)/sizeof(machineMove[0]));
7333 strcat(machineMove, "\n");
7334 safeStrCpy(moveList[forwardMostMove], machineMove, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
7336 /* [AS] Save move info*/
7337 pvInfoList[ forwardMostMove ].score = programStats.score;
7338 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7339 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7341 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7343 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7344 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7347 while( count < adjudicateLossPlies ) {
7348 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7351 score = -score; /* Flip score for winning side */
7354 if( score > adjudicateLossThreshold ) {
7361 if( count >= adjudicateLossPlies ) {
7362 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7364 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7365 "Xboard adjudication",
7372 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7375 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7377 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7378 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7380 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7382 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7384 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7385 char buf[3*MSG_SIZ];
7387 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7388 programStats.score / 100.,
7390 programStats.time / 100.,
7391 (unsigned int)programStats.nodes,
7392 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7393 programStats.movelist);
7395 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7400 /* [AS] Clear stats for next move */
7401 ClearProgramStats();
7402 thinkOutput[0] = NULLCHAR;
7403 hiddenThinkOutputState = 0;
7406 if (gameMode == TwoMachinesPlay) {
7407 /* [HGM] relaying draw offers moved to after reception of move */
7408 /* and interpreting offer as claim if it brings draw condition */
7409 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7410 SendToProgram("draw\n", cps->other);
7412 if (cps->other->sendTime) {
7413 SendTimeRemaining(cps->other,
7414 cps->other->twoMachinesColor[0] == 'w');
7416 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7417 if (firstMove && !bookHit) {
7419 if (cps->other->useColors) {
7420 SendToProgram(cps->other->twoMachinesColor, cps->other);
7422 SendToProgram("go\n", cps->other);
7424 cps->other->maybeThinking = TRUE;
7427 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7429 if (!pausing && appData.ringBellAfterMoves) {
7434 * Reenable menu items that were disabled while
7435 * machine was thinking
7437 if (gameMode != TwoMachinesPlay)
7438 SetUserThinkingEnables();
7440 // [HGM] book: after book hit opponent has received move and is now in force mode
7441 // force the book reply into it, and then fake that it outputted this move by jumping
7442 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7444 static char bookMove[MSG_SIZ]; // a bit generous?
7446 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7447 strcat(bookMove, bookHit);
7450 programStats.nodes = programStats.depth = programStats.time =
7451 programStats.score = programStats.got_only_move = 0;
7452 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7454 if(cps->lastPing != cps->lastPong) {
7455 savedMessage = message; // args for deferred call
7457 ScheduleDelayedEvent(DeferredBookMove, 10);
7466 /* Set special modes for chess engines. Later something general
7467 * could be added here; for now there is just one kludge feature,
7468 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7469 * when "xboard" is given as an interactive command.
7471 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7472 cps->useSigint = FALSE;
7473 cps->useSigterm = FALSE;
7475 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7476 ParseFeatures(message+8, cps);
7477 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7480 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
7481 int dummy, s=6; char buf[MSG_SIZ];
7482 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
7483 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
7484 ParseFEN(boards[0], &dummy, message+s);
7485 DrawPosition(TRUE, boards[0]);
7486 startedFromSetupPosition = TRUE;
7489 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7490 * want this, I was asked to put it in, and obliged.
7492 if (!strncmp(message, "setboard ", 9)) {
7493 Board initial_position;
7495 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7497 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7498 DisplayError(_("Bad FEN received from engine"), 0);
7502 CopyBoard(boards[0], initial_position);
7503 initialRulePlies = FENrulePlies;
7504 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7505 else gameMode = MachinePlaysBlack;
7506 DrawPosition(FALSE, boards[currentMove]);
7512 * Look for communication commands
7514 if (!strncmp(message, "telluser ", 9)) {
7515 if(message[9] == '\\' && message[10] == '\\')
7516 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
7517 DisplayNote(message + 9);
7520 if (!strncmp(message, "tellusererror ", 14)) {
7522 if(message[14] == '\\' && message[15] == '\\')
7523 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
7524 DisplayError(message + 14, 0);
7527 if (!strncmp(message, "tellopponent ", 13)) {
7528 if (appData.icsActive) {
7530 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7534 DisplayNote(message + 13);
7538 if (!strncmp(message, "tellothers ", 11)) {
7539 if (appData.icsActive) {
7541 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7547 if (!strncmp(message, "tellall ", 8)) {
7548 if (appData.icsActive) {
7550 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7554 DisplayNote(message + 8);
7558 if (strncmp(message, "warning", 7) == 0) {
7559 /* Undocumented feature, use tellusererror in new code */
7560 DisplayError(message, 0);
7563 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7564 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
7565 strcat(realname, " query");
7566 AskQuestion(realname, buf2, buf1, cps->pr);
7569 /* Commands from the engine directly to ICS. We don't allow these to be
7570 * sent until we are logged on. Crafty kibitzes have been known to
7571 * interfere with the login process.
7574 if (!strncmp(message, "tellics ", 8)) {
7575 SendToICS(message + 8);
7579 if (!strncmp(message, "tellicsnoalias ", 15)) {
7580 SendToICS(ics_prefix);
7581 SendToICS(message + 15);
7585 /* The following are for backward compatibility only */
7586 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7587 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7588 SendToICS(ics_prefix);
7594 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7598 * If the move is illegal, cancel it and redraw the board.
7599 * Also deal with other error cases. Matching is rather loose
7600 * here to accommodate engines written before the spec.
7602 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7603 strncmp(message, "Error", 5) == 0) {
7604 if (StrStr(message, "name") ||
7605 StrStr(message, "rating") || StrStr(message, "?") ||
7606 StrStr(message, "result") || StrStr(message, "board") ||
7607 StrStr(message, "bk") || StrStr(message, "computer") ||
7608 StrStr(message, "variant") || StrStr(message, "hint") ||
7609 StrStr(message, "random") || StrStr(message, "depth") ||
7610 StrStr(message, "accepted")) {
7613 if (StrStr(message, "protover")) {
7614 /* Program is responding to input, so it's apparently done
7615 initializing, and this error message indicates it is
7616 protocol version 1. So we don't need to wait any longer
7617 for it to initialize and send feature commands. */
7618 FeatureDone(cps, 1);
7619 cps->protocolVersion = 1;
7622 cps->maybeThinking = FALSE;
7624 if (StrStr(message, "draw")) {
7625 /* Program doesn't have "draw" command */
7626 cps->sendDrawOffers = 0;
7629 if (cps->sendTime != 1 &&
7630 (StrStr(message, "time") || StrStr(message, "otim"))) {
7631 /* Program apparently doesn't have "time" or "otim" command */
7635 if (StrStr(message, "analyze")) {
7636 cps->analysisSupport = FALSE;
7637 cps->analyzing = FALSE;
7639 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
7640 DisplayError(buf2, 0);
7643 if (StrStr(message, "(no matching move)st")) {
7644 /* Special kludge for GNU Chess 4 only */
7645 cps->stKludge = TRUE;
7646 SendTimeControl(cps, movesPerSession, timeControl,
7647 timeIncrement, appData.searchDepth,
7651 if (StrStr(message, "(no matching move)sd")) {
7652 /* Special kludge for GNU Chess 4 only */
7653 cps->sdKludge = TRUE;
7654 SendTimeControl(cps, movesPerSession, timeControl,
7655 timeIncrement, appData.searchDepth,
7659 if (!StrStr(message, "llegal")) {
7662 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7663 gameMode == IcsIdle) return;
7664 if (forwardMostMove <= backwardMostMove) return;
7665 if (pausing) PauseEvent();
7666 if(appData.forceIllegal) {
7667 // [HGM] illegal: machine refused move; force position after move into it
7668 SendToProgram("force\n", cps);
7669 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7670 // we have a real problem now, as SendBoard will use the a2a3 kludge
7671 // when black is to move, while there might be nothing on a2 or black
7672 // might already have the move. So send the board as if white has the move.
7673 // But first we must change the stm of the engine, as it refused the last move
7674 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7675 if(WhiteOnMove(forwardMostMove)) {
7676 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7677 SendBoard(cps, forwardMostMove); // kludgeless board
7679 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7680 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7681 SendBoard(cps, forwardMostMove+1); // kludgeless board
7683 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7684 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7685 gameMode == TwoMachinesPlay)
7686 SendToProgram("go\n", cps);
7689 if (gameMode == PlayFromGameFile) {
7690 /* Stop reading this game file */
7691 gameMode = EditGame;
7694 currentMove = forwardMostMove-1;
7695 DisplayMove(currentMove-1); /* before DisplayMoveError */
7696 SwitchClocks(forwardMostMove-1); // [HGM] race
7697 DisplayBothClocks();
7698 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
7699 parseList[currentMove], cps->which);
7700 DisplayMoveError(buf1);
7701 DrawPosition(FALSE, boards[currentMove]);
7703 /* [HGM] illegal-move claim should forfeit game when Xboard */
7704 /* only passes fully legal moves */
7705 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7706 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7707 "False illegal-move claim", GE_XBOARD );
7711 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7712 /* Program has a broken "time" command that
7713 outputs a string not ending in newline.
7719 * If chess program startup fails, exit with an error message.
7720 * Attempts to recover here are futile.
7722 if ((StrStr(message, "unknown host") != NULL)
7723 || (StrStr(message, "No remote directory") != NULL)
7724 || (StrStr(message, "not found") != NULL)
7725 || (StrStr(message, "No such file") != NULL)
7726 || (StrStr(message, "can't alloc") != NULL)
7727 || (StrStr(message, "Permission denied") != NULL)) {
7729 cps->maybeThinking = FALSE;
7730 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7731 cps->which, cps->program, cps->host, message);
7732 RemoveInputSource(cps->isr);
7733 DisplayFatalError(buf1, 0, 1);
7738 * Look for hint output
7740 if (sscanf(message, "Hint: %s", buf1) == 1) {
7741 if (cps == &first && hintRequested) {
7742 hintRequested = FALSE;
7743 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7744 &fromX, &fromY, &toX, &toY, &promoChar)) {
7745 (void) CoordsToAlgebraic(boards[forwardMostMove],
7746 PosFlags(forwardMostMove),
7747 fromY, fromX, toY, toX, promoChar, buf1);
7748 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7749 DisplayInformation(buf2);
7751 /* Hint move could not be parsed!? */
7752 snprintf(buf2, sizeof(buf2),
7753 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7755 DisplayError(buf2, 0);
7758 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
7764 * Ignore other messages if game is not in progress
7766 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7767 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7770 * look for win, lose, draw, or draw offer
7772 if (strncmp(message, "1-0", 3) == 0) {
7773 char *p, *q, *r = "";
7774 p = strchr(message, '{');
7782 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7784 } else if (strncmp(message, "0-1", 3) == 0) {
7785 char *p, *q, *r = "";
7786 p = strchr(message, '{');
7794 /* Kludge for Arasan 4.1 bug */
7795 if (strcmp(r, "Black resigns") == 0) {
7796 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7799 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7801 } else if (strncmp(message, "1/2", 3) == 0) {
7802 char *p, *q, *r = "";
7803 p = strchr(message, '{');
7812 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7815 } else if (strncmp(message, "White resign", 12) == 0) {
7816 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7818 } else if (strncmp(message, "Black resign", 12) == 0) {
7819 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7821 } else if (strncmp(message, "White matches", 13) == 0 ||
7822 strncmp(message, "Black matches", 13) == 0 ) {
7823 /* [HGM] ignore GNUShogi noises */
7825 } else if (strncmp(message, "White", 5) == 0 &&
7826 message[5] != '(' &&
7827 StrStr(message, "Black") == NULL) {
7828 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7830 } else if (strncmp(message, "Black", 5) == 0 &&
7831 message[5] != '(') {
7832 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7834 } else if (strcmp(message, "resign") == 0 ||
7835 strcmp(message, "computer resigns") == 0) {
7837 case MachinePlaysBlack:
7838 case IcsPlayingBlack:
7839 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7841 case MachinePlaysWhite:
7842 case IcsPlayingWhite:
7843 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7845 case TwoMachinesPlay:
7846 if (cps->twoMachinesColor[0] == 'w')
7847 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7849 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7856 } else if (strncmp(message, "opponent mates", 14) == 0) {
7858 case MachinePlaysBlack:
7859 case IcsPlayingBlack:
7860 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7862 case MachinePlaysWhite:
7863 case IcsPlayingWhite:
7864 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7866 case TwoMachinesPlay:
7867 if (cps->twoMachinesColor[0] == 'w')
7868 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7870 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7877 } else if (strncmp(message, "computer mates", 14) == 0) {
7879 case MachinePlaysBlack:
7880 case IcsPlayingBlack:
7881 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7883 case MachinePlaysWhite:
7884 case IcsPlayingWhite:
7885 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7887 case TwoMachinesPlay:
7888 if (cps->twoMachinesColor[0] == 'w')
7889 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7891 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7898 } else if (strncmp(message, "checkmate", 9) == 0) {
7899 if (WhiteOnMove(forwardMostMove)) {
7900 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7902 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7905 } else if (strstr(message, "Draw") != NULL ||
7906 strstr(message, "game is a draw") != NULL) {
7907 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7909 } else if (strstr(message, "offer") != NULL &&
7910 strstr(message, "draw") != NULL) {
7912 if (appData.zippyPlay && first.initDone) {
7913 /* Relay offer to ICS */
7914 SendToICS(ics_prefix);
7915 SendToICS("draw\n");
7918 cps->offeredDraw = 2; /* valid until this engine moves twice */
7919 if (gameMode == TwoMachinesPlay) {
7920 if (cps->other->offeredDraw) {
7921 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7922 /* [HGM] in two-machine mode we delay relaying draw offer */
7923 /* until after we also have move, to see if it is really claim */
7925 } else if (gameMode == MachinePlaysWhite ||
7926 gameMode == MachinePlaysBlack) {
7927 if (userOfferedDraw) {
7928 DisplayInformation(_("Machine accepts your draw offer"));
7929 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7931 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7938 * Look for thinking output
7940 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7941 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7943 int plylev, mvleft, mvtot, curscore, time;
7944 char mvname[MOVE_LEN];
7948 int prefixHint = FALSE;
7949 mvname[0] = NULLCHAR;
7952 case MachinePlaysBlack:
7953 case IcsPlayingBlack:
7954 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7956 case MachinePlaysWhite:
7957 case IcsPlayingWhite:
7958 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7963 case IcsObserving: /* [DM] icsEngineAnalyze */
7964 if (!appData.icsEngineAnalyze) ignore = TRUE;
7966 case TwoMachinesPlay:
7967 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7977 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7979 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7980 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7982 if (plyext != ' ' && plyext != '\t') {
7986 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7987 if( cps->scoreIsAbsolute &&
7988 ( gameMode == MachinePlaysBlack ||
7989 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7990 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7991 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7992 !WhiteOnMove(currentMove)
7995 curscore = -curscore;
7999 tempStats.depth = plylev;
8000 tempStats.nodes = nodes;
8001 tempStats.time = time;
8002 tempStats.score = curscore;
8003 tempStats.got_only_move = 0;
8005 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8008 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8009 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8010 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8011 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8012 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8013 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8014 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8015 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8018 /* Buffer overflow protection */
8019 if (buf1[0] != NULLCHAR) {
8020 if (strlen(buf1) >= sizeof(tempStats.movelist)
8021 && appData.debugMode) {
8023 "PV is too long; using the first %u bytes.\n",
8024 (unsigned) sizeof(tempStats.movelist) - 1);
8027 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8029 sprintf(tempStats.movelist, " no PV\n");
8032 if (tempStats.seen_stat) {
8033 tempStats.ok_to_send = 1;
8036 if (strchr(tempStats.movelist, '(') != NULL) {
8037 tempStats.line_is_book = 1;
8038 tempStats.nr_moves = 0;
8039 tempStats.moves_left = 0;
8041 tempStats.line_is_book = 0;
8044 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8045 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8047 SendProgramStatsToFrontend( cps, &tempStats );
8050 [AS] Protect the thinkOutput buffer from overflow... this
8051 is only useful if buf1 hasn't overflowed first!
8053 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8055 (gameMode == TwoMachinesPlay ?
8056 ToUpper(cps->twoMachinesColor[0]) : ' '),
8057 ((double) curscore) / 100.0,
8058 prefixHint ? lastHint : "",
8059 prefixHint ? " " : "" );
8061 if( buf1[0] != NULLCHAR ) {
8062 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8064 if( strlen(buf1) > max_len ) {
8065 if( appData.debugMode) {
8066 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8068 buf1[max_len+1] = '\0';
8071 strcat( thinkOutput, buf1 );
8074 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8075 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8076 DisplayMove(currentMove - 1);
8080 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8081 /* crafty (9.25+) says "(only move) <move>"
8082 * if there is only 1 legal move
8084 sscanf(p, "(only move) %s", buf1);
8085 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8086 sprintf(programStats.movelist, "%s (only move)", buf1);
8087 programStats.depth = 1;
8088 programStats.nr_moves = 1;
8089 programStats.moves_left = 1;
8090 programStats.nodes = 1;
8091 programStats.time = 1;
8092 programStats.got_only_move = 1;
8094 /* Not really, but we also use this member to
8095 mean "line isn't going to change" (Crafty
8096 isn't searching, so stats won't change) */
8097 programStats.line_is_book = 1;
8099 SendProgramStatsToFrontend( cps, &programStats );
8101 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8102 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8103 DisplayMove(currentMove - 1);
8106 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8107 &time, &nodes, &plylev, &mvleft,
8108 &mvtot, mvname) >= 5) {
8109 /* The stat01: line is from Crafty (9.29+) in response
8110 to the "." command */
8111 programStats.seen_stat = 1;
8112 cps->maybeThinking = TRUE;
8114 if (programStats.got_only_move || !appData.periodicUpdates)
8117 programStats.depth = plylev;
8118 programStats.time = time;
8119 programStats.nodes = nodes;
8120 programStats.moves_left = mvleft;
8121 programStats.nr_moves = mvtot;
8122 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8123 programStats.ok_to_send = 1;
8124 programStats.movelist[0] = '\0';
8126 SendProgramStatsToFrontend( cps, &programStats );
8130 } else if (strncmp(message,"++",2) == 0) {
8131 /* Crafty 9.29+ outputs this */
8132 programStats.got_fail = 2;
8135 } else if (strncmp(message,"--",2) == 0) {
8136 /* Crafty 9.29+ outputs this */
8137 programStats.got_fail = 1;
8140 } else if (thinkOutput[0] != NULLCHAR &&
8141 strncmp(message, " ", 4) == 0) {
8142 unsigned message_len;
8145 while (*p && *p == ' ') p++;
8147 message_len = strlen( p );
8149 /* [AS] Avoid buffer overflow */
8150 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8151 strcat(thinkOutput, " ");
8152 strcat(thinkOutput, p);
8155 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8156 strcat(programStats.movelist, " ");
8157 strcat(programStats.movelist, p);
8160 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8161 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8162 DisplayMove(currentMove - 1);
8170 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8171 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8173 ChessProgramStats cpstats;
8175 if (plyext != ' ' && plyext != '\t') {
8179 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8180 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8181 curscore = -curscore;
8184 cpstats.depth = plylev;
8185 cpstats.nodes = nodes;
8186 cpstats.time = time;
8187 cpstats.score = curscore;
8188 cpstats.got_only_move = 0;
8189 cpstats.movelist[0] = '\0';
8191 if (buf1[0] != NULLCHAR) {
8192 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8195 cpstats.ok_to_send = 0;
8196 cpstats.line_is_book = 0;
8197 cpstats.nr_moves = 0;
8198 cpstats.moves_left = 0;
8200 SendProgramStatsToFrontend( cps, &cpstats );
8207 /* Parse a game score from the character string "game", and
8208 record it as the history of the current game. The game
8209 score is NOT assumed to start from the standard position.
8210 The display is not updated in any way.
8213 ParseGameHistory(game)
8217 int fromX, fromY, toX, toY, boardIndex;
8222 if (appData.debugMode)
8223 fprintf(debugFP, "Parsing game history: %s\n", game);
8225 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8226 gameInfo.site = StrSave(appData.icsHost);
8227 gameInfo.date = PGNDate();
8228 gameInfo.round = StrSave("-");
8230 /* Parse out names of players */
8231 while (*game == ' ') game++;
8233 while (*game != ' ') *p++ = *game++;
8235 gameInfo.white = StrSave(buf);
8236 while (*game == ' ') game++;
8238 while (*game != ' ' && *game != '\n') *p++ = *game++;
8240 gameInfo.black = StrSave(buf);
8243 boardIndex = blackPlaysFirst ? 1 : 0;
8246 yyboardindex = boardIndex;
8247 moveType = (ChessMove) Myylex();
8249 case IllegalMove: /* maybe suicide chess, etc. */
8250 if (appData.debugMode) {
8251 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8252 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8253 setbuf(debugFP, NULL);
8255 case WhitePromotion:
8256 case BlackPromotion:
8257 case WhiteNonPromotion:
8258 case BlackNonPromotion:
8260 case WhiteCapturesEnPassant:
8261 case BlackCapturesEnPassant:
8262 case WhiteKingSideCastle:
8263 case WhiteQueenSideCastle:
8264 case BlackKingSideCastle:
8265 case BlackQueenSideCastle:
8266 case WhiteKingSideCastleWild:
8267 case WhiteQueenSideCastleWild:
8268 case BlackKingSideCastleWild:
8269 case BlackQueenSideCastleWild:
8271 case WhiteHSideCastleFR:
8272 case WhiteASideCastleFR:
8273 case BlackHSideCastleFR:
8274 case BlackASideCastleFR:
8276 fromX = currentMoveString[0] - AAA;
8277 fromY = currentMoveString[1] - ONE;
8278 toX = currentMoveString[2] - AAA;
8279 toY = currentMoveString[3] - ONE;
8280 promoChar = currentMoveString[4];
8284 fromX = moveType == WhiteDrop ?
8285 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8286 (int) CharToPiece(ToLower(currentMoveString[0]));
8288 toX = currentMoveString[2] - AAA;
8289 toY = currentMoveString[3] - ONE;
8290 promoChar = NULLCHAR;
8294 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8295 if (appData.debugMode) {
8296 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8297 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8298 setbuf(debugFP, NULL);
8300 DisplayError(buf, 0);
8302 case ImpossibleMove:
8304 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8305 if (appData.debugMode) {
8306 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8307 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8308 setbuf(debugFP, NULL);
8310 DisplayError(buf, 0);
8313 if (boardIndex < backwardMostMove) {
8314 /* Oops, gap. How did that happen? */
8315 DisplayError(_("Gap in move list"), 0);
8318 backwardMostMove = blackPlaysFirst ? 1 : 0;
8319 if (boardIndex > forwardMostMove) {
8320 forwardMostMove = boardIndex;
8324 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8325 strcat(parseList[boardIndex-1], " ");
8326 strcat(parseList[boardIndex-1], yy_text);
8338 case GameUnfinished:
8339 if (gameMode == IcsExamining) {
8340 if (boardIndex < backwardMostMove) {
8341 /* Oops, gap. How did that happen? */
8344 backwardMostMove = blackPlaysFirst ? 1 : 0;
8347 gameInfo.result = moveType;
8348 p = strchr(yy_text, '{');
8349 if (p == NULL) p = strchr(yy_text, '(');
8352 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8354 q = strchr(p, *p == '{' ? '}' : ')');
8355 if (q != NULL) *q = NULLCHAR;
8358 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
8359 gameInfo.resultDetails = StrSave(p);
8362 if (boardIndex >= forwardMostMove &&
8363 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8364 backwardMostMove = blackPlaysFirst ? 1 : 0;
8367 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8368 fromY, fromX, toY, toX, promoChar,
8369 parseList[boardIndex]);
8370 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8371 /* currentMoveString is set as a side-effect of yylex */
8372 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8373 strcat(moveList[boardIndex], "\n");
8375 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8376 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8382 if(gameInfo.variant != VariantShogi)
8383 strcat(parseList[boardIndex - 1], "+");
8387 strcat(parseList[boardIndex - 1], "#");
8394 /* Apply a move to the given board */
8396 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8397 int fromX, fromY, toX, toY;
8401 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8402 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8404 /* [HGM] compute & store e.p. status and castling rights for new position */
8405 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8407 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8408 oldEP = (signed char)board[EP_STATUS];
8409 board[EP_STATUS] = EP_NONE;
8411 if( board[toY][toX] != EmptySquare )
8412 board[EP_STATUS] = EP_CAPTURE;
8414 if (fromY == DROP_RANK) {
8416 piece = board[toY][toX] = (ChessSquare) fromX;
8420 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
8421 if( gameInfo.variant == VariantFairy ) board[EP_STATUS] = EP_PAWN_MOVE; // Lance in fairy is Pawn-like
8423 if( board[fromY][fromX] == WhitePawn ) {
8424 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8425 board[EP_STATUS] = EP_PAWN_MOVE;
8427 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8428 gameInfo.variant != VariantBerolina || toX < fromX)
8429 board[EP_STATUS] = toX | berolina;
8430 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8431 gameInfo.variant != VariantBerolina || toX > fromX)
8432 board[EP_STATUS] = toX;
8435 if( board[fromY][fromX] == BlackPawn ) {
8436 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8437 board[EP_STATUS] = EP_PAWN_MOVE;
8438 if( toY-fromY== -2) {
8439 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8440 gameInfo.variant != VariantBerolina || toX < fromX)
8441 board[EP_STATUS] = toX | berolina;
8442 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8443 gameInfo.variant != VariantBerolina || toX > fromX)
8444 board[EP_STATUS] = toX;
8448 for(i=0; i<nrCastlingRights; i++) {
8449 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8450 board[CASTLING][i] == toX && castlingRank[i] == toY
8451 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8454 if (fromX == toX && fromY == toY) return;
8456 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8457 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8458 if(gameInfo.variant == VariantKnightmate)
8459 king += (int) WhiteUnicorn - (int) WhiteKing;
8461 /* Code added by Tord: */
8462 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
8463 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
8464 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
8465 board[fromY][fromX] = EmptySquare;
8466 board[toY][toX] = EmptySquare;
8467 if((toX > fromX) != (piece == WhiteRook)) {
8468 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8470 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8472 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
8473 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
8474 board[fromY][fromX] = EmptySquare;
8475 board[toY][toX] = EmptySquare;
8476 if((toX > fromX) != (piece == BlackRook)) {
8477 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8479 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8481 /* End of code added by Tord */
8483 } else if (board[fromY][fromX] == king
8484 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8485 && toY == fromY && toX > fromX+1) {
8486 board[fromY][fromX] = EmptySquare;
8487 board[toY][toX] = king;
8488 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8489 board[fromY][BOARD_RGHT-1] = EmptySquare;
8490 } else if (board[fromY][fromX] == king
8491 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8492 && toY == fromY && toX < fromX-1) {
8493 board[fromY][fromX] = EmptySquare;
8494 board[toY][toX] = king;
8495 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8496 board[fromY][BOARD_LEFT] = EmptySquare;
8497 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
8498 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
8499 && toY >= BOARD_HEIGHT-promoRank
8501 /* white pawn promotion */
8502 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8503 if (board[toY][toX] == EmptySquare) {
8504 board[toY][toX] = WhiteQueen;
8506 if(gameInfo.variant==VariantBughouse ||
8507 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8508 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8509 board[fromY][fromX] = EmptySquare;
8510 } else if ((fromY == BOARD_HEIGHT-4)
8512 && gameInfo.variant != VariantXiangqi
8513 && gameInfo.variant != VariantBerolina
8514 && (board[fromY][fromX] == WhitePawn)
8515 && (board[toY][toX] == EmptySquare)) {
8516 board[fromY][fromX] = EmptySquare;
8517 board[toY][toX] = WhitePawn;
8518 captured = board[toY - 1][toX];
8519 board[toY - 1][toX] = EmptySquare;
8520 } else if ((fromY == BOARD_HEIGHT-4)
8522 && gameInfo.variant == VariantBerolina
8523 && (board[fromY][fromX] == WhitePawn)
8524 && (board[toY][toX] == EmptySquare)) {
8525 board[fromY][fromX] = EmptySquare;
8526 board[toY][toX] = WhitePawn;
8527 if(oldEP & EP_BEROLIN_A) {
8528 captured = board[fromY][fromX-1];
8529 board[fromY][fromX-1] = EmptySquare;
8530 }else{ captured = board[fromY][fromX+1];
8531 board[fromY][fromX+1] = EmptySquare;
8533 } else if (board[fromY][fromX] == king
8534 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8535 && toY == fromY && toX > fromX+1) {
8536 board[fromY][fromX] = EmptySquare;
8537 board[toY][toX] = king;
8538 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8539 board[fromY][BOARD_RGHT-1] = EmptySquare;
8540 } else if (board[fromY][fromX] == king
8541 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8542 && toY == fromY && toX < fromX-1) {
8543 board[fromY][fromX] = EmptySquare;
8544 board[toY][toX] = king;
8545 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8546 board[fromY][BOARD_LEFT] = EmptySquare;
8547 } else if (fromY == 7 && fromX == 3
8548 && board[fromY][fromX] == BlackKing
8549 && toY == 7 && toX == 5) {
8550 board[fromY][fromX] = EmptySquare;
8551 board[toY][toX] = BlackKing;
8552 board[fromY][7] = EmptySquare;
8553 board[toY][4] = BlackRook;
8554 } else if (fromY == 7 && fromX == 3
8555 && board[fromY][fromX] == BlackKing
8556 && toY == 7 && toX == 1) {
8557 board[fromY][fromX] = EmptySquare;
8558 board[toY][toX] = BlackKing;
8559 board[fromY][0] = EmptySquare;
8560 board[toY][2] = BlackRook;
8561 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
8562 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
8565 /* black pawn promotion */
8566 board[toY][toX] = CharToPiece(ToLower(promoChar));
8567 if (board[toY][toX] == EmptySquare) {
8568 board[toY][toX] = BlackQueen;
8570 if(gameInfo.variant==VariantBughouse ||
8571 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8572 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8573 board[fromY][fromX] = EmptySquare;
8574 } else if ((fromY == 3)
8576 && gameInfo.variant != VariantXiangqi
8577 && gameInfo.variant != VariantBerolina
8578 && (board[fromY][fromX] == BlackPawn)
8579 && (board[toY][toX] == EmptySquare)) {
8580 board[fromY][fromX] = EmptySquare;
8581 board[toY][toX] = BlackPawn;
8582 captured = board[toY + 1][toX];
8583 board[toY + 1][toX] = EmptySquare;
8584 } else if ((fromY == 3)
8586 && gameInfo.variant == VariantBerolina
8587 && (board[fromY][fromX] == BlackPawn)
8588 && (board[toY][toX] == EmptySquare)) {
8589 board[fromY][fromX] = EmptySquare;
8590 board[toY][toX] = BlackPawn;
8591 if(oldEP & EP_BEROLIN_A) {
8592 captured = board[fromY][fromX-1];
8593 board[fromY][fromX-1] = EmptySquare;
8594 }else{ captured = board[fromY][fromX+1];
8595 board[fromY][fromX+1] = EmptySquare;
8598 board[toY][toX] = board[fromY][fromX];
8599 board[fromY][fromX] = EmptySquare;
8603 if (gameInfo.holdingsWidth != 0) {
8605 /* !!A lot more code needs to be written to support holdings */
8606 /* [HGM] OK, so I have written it. Holdings are stored in the */
8607 /* penultimate board files, so they are automaticlly stored */
8608 /* in the game history. */
8609 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
8610 && promoChar && piece != WhitePawn && piece != BlackPawn) {
8611 /* Delete from holdings, by decreasing count */
8612 /* and erasing image if necessary */
8613 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
8614 if(p < (int) BlackPawn) { /* white drop */
8615 p -= (int)WhitePawn;
8616 p = PieceToNumber((ChessSquare)p);
8617 if(p >= gameInfo.holdingsSize) p = 0;
8618 if(--board[p][BOARD_WIDTH-2] <= 0)
8619 board[p][BOARD_WIDTH-1] = EmptySquare;
8620 if((int)board[p][BOARD_WIDTH-2] < 0)
8621 board[p][BOARD_WIDTH-2] = 0;
8622 } else { /* black drop */
8623 p -= (int)BlackPawn;
8624 p = PieceToNumber((ChessSquare)p);
8625 if(p >= gameInfo.holdingsSize) p = 0;
8626 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8627 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8628 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8629 board[BOARD_HEIGHT-1-p][1] = 0;
8632 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8633 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
8634 /* [HGM] holdings: Add to holdings, if holdings exist */
8635 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8636 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8637 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8640 if (p >= (int) BlackPawn) {
8641 p -= (int)BlackPawn;
8642 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8643 /* in Shogi restore piece to its original first */
8644 captured = (ChessSquare) (DEMOTED captured);
8647 p = PieceToNumber((ChessSquare)p);
8648 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8649 board[p][BOARD_WIDTH-2]++;
8650 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8652 p -= (int)WhitePawn;
8653 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8654 captured = (ChessSquare) (DEMOTED captured);
8657 p = PieceToNumber((ChessSquare)p);
8658 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8659 board[BOARD_HEIGHT-1-p][1]++;
8660 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8663 } else if (gameInfo.variant == VariantAtomic) {
8664 if (captured != EmptySquare) {
8666 for (y = toY-1; y <= toY+1; y++) {
8667 for (x = toX-1; x <= toX+1; x++) {
8668 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8669 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8670 board[y][x] = EmptySquare;
8674 board[toY][toX] = EmptySquare;
8677 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
8678 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
8680 if(promoChar == '+') {
8681 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
8682 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8683 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
8684 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
8686 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8687 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8688 // [HGM] superchess: take promotion piece out of holdings
8689 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8690 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8691 if(!--board[k][BOARD_WIDTH-2])
8692 board[k][BOARD_WIDTH-1] = EmptySquare;
8694 if(!--board[BOARD_HEIGHT-1-k][1])
8695 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8701 /* Updates forwardMostMove */
8703 MakeMove(fromX, fromY, toX, toY, promoChar)
8704 int fromX, fromY, toX, toY;
8707 // forwardMostMove++; // [HGM] bare: moved downstream
8709 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8710 int timeLeft; static int lastLoadFlag=0; int king, piece;
8711 piece = boards[forwardMostMove][fromY][fromX];
8712 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8713 if(gameInfo.variant == VariantKnightmate)
8714 king += (int) WhiteUnicorn - (int) WhiteKing;
8715 if(forwardMostMove == 0) {
8717 fprintf(serverMoves, "%s;", second.tidy);
8718 fprintf(serverMoves, "%s;", first.tidy);
8719 if(!blackPlaysFirst)
8720 fprintf(serverMoves, "%s;", second.tidy);
8721 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8722 lastLoadFlag = loadFlag;
8724 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8725 // print castling suffix
8726 if( toY == fromY && piece == king ) {
8728 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8730 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8733 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8734 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8735 boards[forwardMostMove][toY][toX] == EmptySquare
8736 && fromX != toX && fromY != toY)
8737 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8739 if(promoChar != NULLCHAR)
8740 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8742 fprintf(serverMoves, "/%d/%d",
8743 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8744 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8745 else timeLeft = blackTimeRemaining/1000;
8746 fprintf(serverMoves, "/%d", timeLeft);
8748 fflush(serverMoves);
8751 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8752 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8756 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8757 if (commentList[forwardMostMove+1] != NULL) {
8758 free(commentList[forwardMostMove+1]);
8759 commentList[forwardMostMove+1] = NULL;
8761 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8762 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8763 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8764 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8765 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8766 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8767 gameInfo.result = GameUnfinished;
8768 if (gameInfo.resultDetails != NULL) {
8769 free(gameInfo.resultDetails);
8770 gameInfo.resultDetails = NULL;
8772 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8773 moveList[forwardMostMove - 1]);
8774 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8775 PosFlags(forwardMostMove - 1),
8776 fromY, fromX, toY, toX, promoChar,
8777 parseList[forwardMostMove - 1]);
8778 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8784 if(gameInfo.variant != VariantShogi)
8785 strcat(parseList[forwardMostMove - 1], "+");
8789 strcat(parseList[forwardMostMove - 1], "#");
8792 if (appData.debugMode) {
8793 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8798 /* Updates currentMove if not pausing */
8800 ShowMove(fromX, fromY, toX, toY)
8802 int instant = (gameMode == PlayFromGameFile) ?
8803 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8804 if(appData.noGUI) return;
8805 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8807 if (forwardMostMove == currentMove + 1) {
8808 AnimateMove(boards[forwardMostMove - 1],
8809 fromX, fromY, toX, toY);
8811 if (appData.highlightLastMove) {
8812 SetHighlights(fromX, fromY, toX, toY);
8815 currentMove = forwardMostMove;
8818 if (instant) return;
8820 DisplayMove(currentMove - 1);
8821 DrawPosition(FALSE, boards[currentMove]);
8822 DisplayBothClocks();
8823 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8826 void SendEgtPath(ChessProgramState *cps)
8827 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8828 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8830 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8833 char c, *q = name+1, *r, *s;
8835 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8836 while(*p && *p != ',') *q++ = *p++;
8838 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8839 strcmp(name, ",nalimov:") == 0 ) {
8840 // take nalimov path from the menu-changeable option first, if it is defined
8841 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8842 SendToProgram(buf,cps); // send egtbpath command for nalimov
8844 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8845 (s = StrStr(appData.egtFormats, name)) != NULL) {
8846 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8847 s = r = StrStr(s, ":") + 1; // beginning of path info
8848 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8849 c = *r; *r = 0; // temporarily null-terminate path info
8850 *--q = 0; // strip of trailig ':' from name
8851 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
8853 SendToProgram(buf,cps); // send egtbpath command for this format
8855 if(*p == ',') p++; // read away comma to position for next format name
8860 InitChessProgram(cps, setup)
8861 ChessProgramState *cps;
8862 int setup; /* [HGM] needed to setup FRC opening position */
8864 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8865 if (appData.noChessProgram) return;
8866 hintRequested = FALSE;
8867 bookRequested = FALSE;
8869 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8870 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8871 if(cps->memSize) { /* [HGM] memory */
8872 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8873 SendToProgram(buf, cps);
8875 SendEgtPath(cps); /* [HGM] EGT */
8876 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8877 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
8878 SendToProgram(buf, cps);
8881 SendToProgram(cps->initString, cps);
8882 if (gameInfo.variant != VariantNormal &&
8883 gameInfo.variant != VariantLoadable
8884 /* [HGM] also send variant if board size non-standard */
8885 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8887 char *v = VariantName(gameInfo.variant);
8888 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8889 /* [HGM] in protocol 1 we have to assume all variants valid */
8890 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
8891 DisplayFatalError(buf, 0, 1);
8895 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8896 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8897 if( gameInfo.variant == VariantXiangqi )
8898 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8899 if( gameInfo.variant == VariantShogi )
8900 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8901 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8902 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8903 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8904 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8905 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8906 if( gameInfo.variant == VariantCourier )
8907 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8908 if( gameInfo.variant == VariantSuper )
8909 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8910 if( gameInfo.variant == VariantGreat )
8911 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8912 if( gameInfo.variant == VariantSChess )
8913 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
8916 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8917 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8918 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8919 if(StrStr(cps->variants, b) == NULL) {
8920 // specific sized variant not known, check if general sizing allowed
8921 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8922 if(StrStr(cps->variants, "boardsize") == NULL) {
8923 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
8924 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8925 DisplayFatalError(buf, 0, 1);
8928 /* [HGM] here we really should compare with the maximum supported board size */
8931 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
8932 snprintf(buf, MSG_SIZ, "variant %s\n", b);
8933 SendToProgram(buf, cps);
8935 currentlyInitializedVariant = gameInfo.variant;
8937 /* [HGM] send opening position in FRC to first engine */
8939 SendToProgram("force\n", cps);
8941 /* engine is now in force mode! Set flag to wake it up after first move. */
8942 setboardSpoiledMachineBlack = 1;
8946 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8947 SendToProgram(buf, cps);
8949 cps->maybeThinking = FALSE;
8950 cps->offeredDraw = 0;
8951 if (!appData.icsActive) {
8952 SendTimeControl(cps, movesPerSession, timeControl,
8953 timeIncrement, appData.searchDepth,
8956 if (appData.showThinking
8957 // [HGM] thinking: four options require thinking output to be sent
8958 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8960 SendToProgram("post\n", cps);
8962 SendToProgram("hard\n", cps);
8963 if (!appData.ponderNextMove) {
8964 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8965 it without being sure what state we are in first. "hard"
8966 is not a toggle, so that one is OK.
8968 SendToProgram("easy\n", cps);
8971 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
8972 SendToProgram(buf, cps);
8974 cps->initDone = TRUE;
8979 StartChessProgram(cps)
8980 ChessProgramState *cps;
8985 if (appData.noChessProgram) return;
8986 cps->initDone = FALSE;
8988 if (strcmp(cps->host, "localhost") == 0) {
8989 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8990 } else if (*appData.remoteShell == NULLCHAR) {
8991 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8993 if (*appData.remoteUser == NULLCHAR) {
8994 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8997 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8998 cps->host, appData.remoteUser, cps->program);
9000 err = StartChildProcess(buf, "", &cps->pr);
9004 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9005 DisplayFatalError(buf, err, 1);
9011 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9012 if (cps->protocolVersion > 1) {
9013 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9014 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9015 cps->comboCnt = 0; // and values of combo boxes
9016 SendToProgram(buf, cps);
9018 SendToProgram("xboard\n", cps);
9024 TwoMachinesEventIfReady P((void))
9026 if (first.lastPing != first.lastPong) {
9027 DisplayMessage("", _("Waiting for first chess program"));
9028 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9031 if (second.lastPing != second.lastPong) {
9032 DisplayMessage("", _("Waiting for second chess program"));
9033 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9041 NextMatchGame P((void))
9043 int index; /* [HGM] autoinc: step load index during match */
9045 if (*appData.loadGameFile != NULLCHAR) {
9046 index = appData.loadGameIndex;
9047 if(index < 0) { // [HGM] autoinc
9048 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9049 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9051 LoadGameFromFile(appData.loadGameFile,
9053 appData.loadGameFile, FALSE);
9054 } else if (*appData.loadPositionFile != NULLCHAR) {
9055 index = appData.loadPositionIndex;
9056 if(index < 0) { // [HGM] autoinc
9057 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9058 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9060 LoadPositionFromFile(appData.loadPositionFile,
9062 appData.loadPositionFile);
9064 TwoMachinesEventIfReady();
9067 void UserAdjudicationEvent( int result )
9069 ChessMove gameResult = GameIsDrawn;
9072 gameResult = WhiteWins;
9074 else if( result < 0 ) {
9075 gameResult = BlackWins;
9078 if( gameMode == TwoMachinesPlay ) {
9079 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9084 // [HGM] save: calculate checksum of game to make games easily identifiable
9085 int StringCheckSum(char *s)
9088 if(s==NULL) return 0;
9089 while(*s) i = i*259 + *s++;
9096 for(i=backwardMostMove; i<forwardMostMove; i++) {
9097 sum += pvInfoList[i].depth;
9098 sum += StringCheckSum(parseList[i]);
9099 sum += StringCheckSum(commentList[i]);
9102 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9103 return sum + StringCheckSum(commentList[i]);
9104 } // end of save patch
9107 GameEnds(result, resultDetails, whosays)
9109 char *resultDetails;
9112 GameMode nextGameMode;
9114 char buf[MSG_SIZ], popupRequested = 0;
9116 if(endingGame) return; /* [HGM] crash: forbid recursion */
9118 if(twoBoards) { // [HGM] dual: switch back to one board
9119 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9120 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9122 if (appData.debugMode) {
9123 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9124 result, resultDetails ? resultDetails : "(null)", whosays);
9127 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9129 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9130 /* If we are playing on ICS, the server decides when the
9131 game is over, but the engine can offer to draw, claim
9135 if (appData.zippyPlay && first.initDone) {
9136 if (result == GameIsDrawn) {
9137 /* In case draw still needs to be claimed */
9138 SendToICS(ics_prefix);
9139 SendToICS("draw\n");
9140 } else if (StrCaseStr(resultDetails, "resign")) {
9141 SendToICS(ics_prefix);
9142 SendToICS("resign\n");
9146 endingGame = 0; /* [HGM] crash */
9150 /* If we're loading the game from a file, stop */
9151 if (whosays == GE_FILE) {
9152 (void) StopLoadGameTimer();
9156 /* Cancel draw offers */
9157 first.offeredDraw = second.offeredDraw = 0;
9159 /* If this is an ICS game, only ICS can really say it's done;
9160 if not, anyone can. */
9161 isIcsGame = (gameMode == IcsPlayingWhite ||
9162 gameMode == IcsPlayingBlack ||
9163 gameMode == IcsObserving ||
9164 gameMode == IcsExamining);
9166 if (!isIcsGame || whosays == GE_ICS) {
9167 /* OK -- not an ICS game, or ICS said it was done */
9169 if (!isIcsGame && !appData.noChessProgram)
9170 SetUserThinkingEnables();
9172 /* [HGM] if a machine claims the game end we verify this claim */
9173 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9174 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9176 ChessMove trueResult = (ChessMove) -1;
9178 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9179 first.twoMachinesColor[0] :
9180 second.twoMachinesColor[0] ;
9182 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9183 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9184 /* [HGM] verify: engine mate claims accepted if they were flagged */
9185 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9187 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9188 /* [HGM] verify: engine mate claims accepted if they were flagged */
9189 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9191 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9192 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9195 // now verify win claims, but not in drop games, as we don't understand those yet
9196 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9197 || gameInfo.variant == VariantGreat) &&
9198 (result == WhiteWins && claimer == 'w' ||
9199 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9200 if (appData.debugMode) {
9201 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9202 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9204 if(result != trueResult) {
9205 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
9206 result = claimer == 'w' ? BlackWins : WhiteWins;
9207 resultDetails = buf;
9210 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9211 && (forwardMostMove <= backwardMostMove ||
9212 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9213 (claimer=='b')==(forwardMostMove&1))
9215 /* [HGM] verify: draws that were not flagged are false claims */
9216 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
9217 result = claimer == 'w' ? BlackWins : WhiteWins;
9218 resultDetails = buf;
9220 /* (Claiming a loss is accepted no questions asked!) */
9222 /* [HGM] bare: don't allow bare King to win */
9223 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9224 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9225 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9226 && result != GameIsDrawn)
9227 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9228 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9229 int p = (signed char)boards[forwardMostMove][i][j] - color;
9230 if(p >= 0 && p <= (int)WhiteKing) k++;
9232 if (appData.debugMode) {
9233 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9234 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9237 result = GameIsDrawn;
9238 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
9239 resultDetails = buf;
9245 if(serverMoves != NULL && !loadFlag) { char c = '=';
9246 if(result==WhiteWins) c = '+';
9247 if(result==BlackWins) c = '-';
9248 if(resultDetails != NULL)
9249 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9251 if (resultDetails != NULL) {
9252 gameInfo.result = result;
9253 gameInfo.resultDetails = StrSave(resultDetails);
9255 /* display last move only if game was not loaded from file */
9256 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9257 DisplayMove(currentMove - 1);
9259 if (forwardMostMove != 0) {
9260 if (gameMode != PlayFromGameFile && gameMode != EditGame
9261 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9263 if (*appData.saveGameFile != NULLCHAR) {
9264 SaveGameToFile(appData.saveGameFile, TRUE);
9265 } else if (appData.autoSaveGames) {
9268 if (*appData.savePositionFile != NULLCHAR) {
9269 SavePositionToFile(appData.savePositionFile);
9274 /* Tell program how game ended in case it is learning */
9275 /* [HGM] Moved this to after saving the PGN, just in case */
9276 /* engine died and we got here through time loss. In that */
9277 /* case we will get a fatal error writing the pipe, which */
9278 /* would otherwise lose us the PGN. */
9279 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9280 /* output during GameEnds should never be fatal anymore */
9281 if (gameMode == MachinePlaysWhite ||
9282 gameMode == MachinePlaysBlack ||
9283 gameMode == TwoMachinesPlay ||
9284 gameMode == IcsPlayingWhite ||
9285 gameMode == IcsPlayingBlack ||
9286 gameMode == BeginningOfGame) {
9288 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
9290 if (first.pr != NoProc) {
9291 SendToProgram(buf, &first);
9293 if (second.pr != NoProc &&
9294 gameMode == TwoMachinesPlay) {
9295 SendToProgram(buf, &second);
9300 if (appData.icsActive) {
9301 if (appData.quietPlay &&
9302 (gameMode == IcsPlayingWhite ||
9303 gameMode == IcsPlayingBlack)) {
9304 SendToICS(ics_prefix);
9305 SendToICS("set shout 1\n");
9307 nextGameMode = IcsIdle;
9308 ics_user_moved = FALSE;
9309 /* clean up premove. It's ugly when the game has ended and the
9310 * premove highlights are still on the board.
9314 ClearPremoveHighlights();
9315 DrawPosition(FALSE, boards[currentMove]);
9317 if (whosays == GE_ICS) {
9320 if (gameMode == IcsPlayingWhite)
9322 else if(gameMode == IcsPlayingBlack)
9326 if (gameMode == IcsPlayingBlack)
9328 else if(gameMode == IcsPlayingWhite)
9335 PlayIcsUnfinishedSound();
9338 } else if (gameMode == EditGame ||
9339 gameMode == PlayFromGameFile ||
9340 gameMode == AnalyzeMode ||
9341 gameMode == AnalyzeFile) {
9342 nextGameMode = gameMode;
9344 nextGameMode = EndOfGame;
9349 nextGameMode = gameMode;
9352 if (appData.noChessProgram) {
9353 gameMode = nextGameMode;
9355 endingGame = 0; /* [HGM] crash */
9360 /* Put first chess program into idle state */
9361 if (first.pr != NoProc &&
9362 (gameMode == MachinePlaysWhite ||
9363 gameMode == MachinePlaysBlack ||
9364 gameMode == TwoMachinesPlay ||
9365 gameMode == IcsPlayingWhite ||
9366 gameMode == IcsPlayingBlack ||
9367 gameMode == BeginningOfGame)) {
9368 SendToProgram("force\n", &first);
9369 if (first.usePing) {
9371 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
9372 SendToProgram(buf, &first);
9375 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9376 /* Kill off first chess program */
9377 if (first.isr != NULL)
9378 RemoveInputSource(first.isr);
9381 if (first.pr != NoProc) {
9383 DoSleep( appData.delayBeforeQuit );
9384 SendToProgram("quit\n", &first);
9385 DoSleep( appData.delayAfterQuit );
9386 DestroyChildProcess(first.pr, first.useSigterm);
9391 /* Put second chess program into idle state */
9392 if (second.pr != NoProc &&
9393 gameMode == TwoMachinesPlay) {
9394 SendToProgram("force\n", &second);
9395 if (second.usePing) {
9397 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
9398 SendToProgram(buf, &second);
9401 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9402 /* Kill off second chess program */
9403 if (second.isr != NULL)
9404 RemoveInputSource(second.isr);
9407 if (second.pr != NoProc) {
9408 DoSleep( appData.delayBeforeQuit );
9409 SendToProgram("quit\n", &second);
9410 DoSleep( appData.delayAfterQuit );
9411 DestroyChildProcess(second.pr, second.useSigterm);
9416 if (matchMode && gameMode == TwoMachinesPlay) {
9419 if (first.twoMachinesColor[0] == 'w') {
9426 if (first.twoMachinesColor[0] == 'b') {
9435 if (matchGame < appData.matchGames) {
9437 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9438 tmp = first.twoMachinesColor;
9439 first.twoMachinesColor = second.twoMachinesColor;
9440 second.twoMachinesColor = tmp;
9442 gameMode = nextGameMode;
9444 if(appData.matchPause>10000 || appData.matchPause<10)
9445 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9446 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9447 endingGame = 0; /* [HGM] crash */
9450 gameMode = nextGameMode;
9451 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
9452 first.tidy, second.tidy,
9453 first.matchWins, second.matchWins,
9454 appData.matchGames - (first.matchWins + second.matchWins));
9455 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
9458 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9459 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9461 gameMode = nextGameMode;
9463 endingGame = 0; /* [HGM] crash */
9464 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
9465 if(matchMode == TRUE) DisplayFatalError(buf, 0, 0); else {
9466 matchMode = FALSE; appData.matchGames = matchGame = 0;
9472 /* Assumes program was just initialized (initString sent).
9473 Leaves program in force mode. */
9475 FeedMovesToProgram(cps, upto)
9476 ChessProgramState *cps;
9481 if (appData.debugMode)
9482 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9483 startedFromSetupPosition ? "position and " : "",
9484 backwardMostMove, upto, cps->which);
9485 if(currentlyInitializedVariant != gameInfo.variant) {
9487 // [HGM] variantswitch: make engine aware of new variant
9488 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9489 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9490 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
9491 SendToProgram(buf, cps);
9492 currentlyInitializedVariant = gameInfo.variant;
9494 SendToProgram("force\n", cps);
9495 if (startedFromSetupPosition) {
9496 SendBoard(cps, backwardMostMove);
9497 if (appData.debugMode) {
9498 fprintf(debugFP, "feedMoves\n");
9501 for (i = backwardMostMove; i < upto; i++) {
9502 SendMoveToProgram(i, cps);
9508 ResurrectChessProgram()
9510 /* The chess program may have exited.
9511 If so, restart it and feed it all the moves made so far. */
9513 if (appData.noChessProgram || first.pr != NoProc) return;
9515 StartChessProgram(&first);
9516 InitChessProgram(&first, FALSE);
9517 FeedMovesToProgram(&first, currentMove);
9519 if (!first.sendTime) {
9520 /* can't tell gnuchess what its clock should read,
9521 so we bow to its notion. */
9523 timeRemaining[0][currentMove] = whiteTimeRemaining;
9524 timeRemaining[1][currentMove] = blackTimeRemaining;
9527 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9528 appData.icsEngineAnalyze) && first.analysisSupport) {
9529 SendToProgram("analyze\n", &first);
9530 first.analyzing = TRUE;
9543 if (appData.debugMode) {
9544 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9545 redraw, init, gameMode);
9547 CleanupTail(); // [HGM] vari: delete any stored variations
9548 pausing = pauseExamInvalid = FALSE;
9549 startedFromSetupPosition = blackPlaysFirst = FALSE;
9551 whiteFlag = blackFlag = FALSE;
9552 userOfferedDraw = FALSE;
9553 hintRequested = bookRequested = FALSE;
9554 first.maybeThinking = FALSE;
9555 second.maybeThinking = FALSE;
9556 first.bookSuspend = FALSE; // [HGM] book
9557 second.bookSuspend = FALSE;
9558 thinkOutput[0] = NULLCHAR;
9559 lastHint[0] = NULLCHAR;
9560 ClearGameInfo(&gameInfo);
9561 gameInfo.variant = StringToVariant(appData.variant);
9562 ics_user_moved = ics_clock_paused = FALSE;
9563 ics_getting_history = H_FALSE;
9565 white_holding[0] = black_holding[0] = NULLCHAR;
9566 ClearProgramStats();
9567 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9571 flipView = appData.flipView;
9572 ClearPremoveHighlights();
9574 alarmSounded = FALSE;
9576 GameEnds(EndOfFile, NULL, GE_PLAYER);
9577 if(appData.serverMovesName != NULL) {
9578 /* [HGM] prepare to make moves file for broadcasting */
9579 clock_t t = clock();
9580 if(serverMoves != NULL) fclose(serverMoves);
9581 serverMoves = fopen(appData.serverMovesName, "r");
9582 if(serverMoves != NULL) {
9583 fclose(serverMoves);
9584 /* delay 15 sec before overwriting, so all clients can see end */
9585 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9587 serverMoves = fopen(appData.serverMovesName, "w");
9591 gameMode = BeginningOfGame;
9593 if(appData.icsActive) gameInfo.variant = VariantNormal;
9594 currentMove = forwardMostMove = backwardMostMove = 0;
9595 InitPosition(redraw);
9596 for (i = 0; i < MAX_MOVES; i++) {
9597 if (commentList[i] != NULL) {
9598 free(commentList[i]);
9599 commentList[i] = NULL;
9603 timeRemaining[0][0] = whiteTimeRemaining;
9604 timeRemaining[1][0] = blackTimeRemaining;
9605 if (first.pr == NULL) {
9606 StartChessProgram(&first);
9609 InitChessProgram(&first, startedFromSetupPosition);
9612 DisplayMessage("", "");
9613 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9614 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9621 if (!AutoPlayOneMove())
9623 if (matchMode || appData.timeDelay == 0)
9625 if (appData.timeDelay < 0)
9627 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9636 int fromX, fromY, toX, toY;
9638 if (appData.debugMode) {
9639 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9642 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
9645 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
9646 pvInfoList[currentMove].depth = programStats.depth;
9647 pvInfoList[currentMove].score = programStats.score;
9648 pvInfoList[currentMove].time = 0;
9649 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
9652 if (currentMove >= forwardMostMove) {
9653 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
9654 gameMode = EditGame;
9657 /* [AS] Clear current move marker at the end of a game */
9658 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9663 toX = moveList[currentMove][2] - AAA;
9664 toY = moveList[currentMove][3] - ONE;
9666 if (moveList[currentMove][1] == '@') {
9667 if (appData.highlightLastMove) {
9668 SetHighlights(-1, -1, toX, toY);
9671 fromX = moveList[currentMove][0] - AAA;
9672 fromY = moveList[currentMove][1] - ONE;
9674 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9676 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9678 if (appData.highlightLastMove) {
9679 SetHighlights(fromX, fromY, toX, toY);
9682 DisplayMove(currentMove);
9683 SendMoveToProgram(currentMove++, &first);
9684 DisplayBothClocks();
9685 DrawPosition(FALSE, boards[currentMove]);
9686 // [HGM] PV info: always display, routine tests if empty
9687 DisplayComment(currentMove - 1, commentList[currentMove]);
9693 LoadGameOneMove(readAhead)
9694 ChessMove readAhead;
9696 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9697 char promoChar = NULLCHAR;
9702 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9703 gameMode != AnalyzeMode && gameMode != Training) {
9708 yyboardindex = forwardMostMove;
9709 if (readAhead != EndOfFile) {
9710 moveType = readAhead;
9712 if (gameFileFP == NULL)
9714 moveType = (ChessMove) Myylex();
9720 if (appData.debugMode)
9721 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9724 /* append the comment but don't display it */
9725 AppendComment(currentMove, p, FALSE);
9728 case WhiteCapturesEnPassant:
9729 case BlackCapturesEnPassant:
9730 case WhitePromotion:
9731 case BlackPromotion:
9732 case WhiteNonPromotion:
9733 case BlackNonPromotion:
9735 case WhiteKingSideCastle:
9736 case WhiteQueenSideCastle:
9737 case BlackKingSideCastle:
9738 case BlackQueenSideCastle:
9739 case WhiteKingSideCastleWild:
9740 case WhiteQueenSideCastleWild:
9741 case BlackKingSideCastleWild:
9742 case BlackQueenSideCastleWild:
9744 case WhiteHSideCastleFR:
9745 case WhiteASideCastleFR:
9746 case BlackHSideCastleFR:
9747 case BlackASideCastleFR:
9749 if (appData.debugMode)
9750 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9751 fromX = currentMoveString[0] - AAA;
9752 fromY = currentMoveString[1] - ONE;
9753 toX = currentMoveString[2] - AAA;
9754 toY = currentMoveString[3] - ONE;
9755 promoChar = currentMoveString[4];
9760 if (appData.debugMode)
9761 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9762 fromX = moveType == WhiteDrop ?
9763 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9764 (int) CharToPiece(ToLower(currentMoveString[0]));
9766 toX = currentMoveString[2] - AAA;
9767 toY = currentMoveString[3] - ONE;
9773 case GameUnfinished:
9774 if (appData.debugMode)
9775 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9776 p = strchr(yy_text, '{');
9777 if (p == NULL) p = strchr(yy_text, '(');
9780 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9782 q = strchr(p, *p == '{' ? '}' : ')');
9783 if (q != NULL) *q = NULLCHAR;
9786 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9787 GameEnds(moveType, p, GE_FILE);
9789 if (cmailMsgLoaded) {
9791 flipView = WhiteOnMove(currentMove);
9792 if (moveType == GameUnfinished) flipView = !flipView;
9793 if (appData.debugMode)
9794 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9799 if (appData.debugMode)
9800 fprintf(debugFP, "Parser hit end of file\n");
9801 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9807 if (WhiteOnMove(currentMove)) {
9808 GameEnds(BlackWins, "Black mates", GE_FILE);
9810 GameEnds(WhiteWins, "White mates", GE_FILE);
9814 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9821 if (lastLoadGameStart == GNUChessGame) {
9822 /* GNUChessGames have numbers, but they aren't move numbers */
9823 if (appData.debugMode)
9824 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9825 yy_text, (int) moveType);
9826 return LoadGameOneMove(EndOfFile); /* tail recursion */
9828 /* else fall thru */
9833 /* Reached start of next game in file */
9834 if (appData.debugMode)
9835 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9836 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9842 if (WhiteOnMove(currentMove)) {
9843 GameEnds(BlackWins, "Black mates", GE_FILE);
9845 GameEnds(WhiteWins, "White mates", GE_FILE);
9849 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9855 case PositionDiagram: /* should not happen; ignore */
9856 case ElapsedTime: /* ignore */
9857 case NAG: /* ignore */
9858 if (appData.debugMode)
9859 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9860 yy_text, (int) moveType);
9861 return LoadGameOneMove(EndOfFile); /* tail recursion */
9864 if (appData.testLegality) {
9865 if (appData.debugMode)
9866 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9867 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9868 (forwardMostMove / 2) + 1,
9869 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9870 DisplayError(move, 0);
9873 if (appData.debugMode)
9874 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9875 yy_text, currentMoveString);
9876 fromX = currentMoveString[0] - AAA;
9877 fromY = currentMoveString[1] - ONE;
9878 toX = currentMoveString[2] - AAA;
9879 toY = currentMoveString[3] - ONE;
9880 promoChar = currentMoveString[4];
9885 if (appData.debugMode)
9886 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9887 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
9888 (forwardMostMove / 2) + 1,
9889 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9890 DisplayError(move, 0);
9895 case ImpossibleMove:
9896 if (appData.debugMode)
9897 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9898 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9899 (forwardMostMove / 2) + 1,
9900 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9901 DisplayError(move, 0);
9907 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9908 DrawPosition(FALSE, boards[currentMove]);
9909 DisplayBothClocks();
9910 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9911 DisplayComment(currentMove - 1, commentList[currentMove]);
9913 (void) StopLoadGameTimer();
9915 cmailOldMove = forwardMostMove;
9918 /* currentMoveString is set as a side-effect of yylex */
9919 strcat(currentMoveString, "\n");
9920 safeStrCpy(moveList[forwardMostMove], currentMoveString, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
9922 thinkOutput[0] = NULLCHAR;
9923 MakeMove(fromX, fromY, toX, toY, promoChar);
9924 currentMove = forwardMostMove;
9929 /* Load the nth game from the given file */
9931 LoadGameFromFile(filename, n, title, useList)
9935 /*Boolean*/ int useList;
9940 if (strcmp(filename, "-") == 0) {
9944 f = fopen(filename, "rb");
9946 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9947 DisplayError(buf, errno);
9951 if (fseek(f, 0, 0) == -1) {
9952 /* f is not seekable; probably a pipe */
9955 if (useList && n == 0) {
9956 int error = GameListBuild(f);
9958 DisplayError(_("Cannot build game list"), error);
9959 } else if (!ListEmpty(&gameList) &&
9960 ((ListGame *) gameList.tailPred)->number > 1) {
9961 GameListPopUp(f, title);
9968 return LoadGame(f, n, title, FALSE);
9973 MakeRegisteredMove()
9975 int fromX, fromY, toX, toY;
9977 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9978 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9981 if (appData.debugMode)
9982 fprintf(debugFP, "Restoring %s for game %d\n",
9983 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9985 thinkOutput[0] = NULLCHAR;
9986 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
9987 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9988 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9989 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9990 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9991 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9992 MakeMove(fromX, fromY, toX, toY, promoChar);
9993 ShowMove(fromX, fromY, toX, toY);
9995 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10002 if (WhiteOnMove(currentMove)) {
10003 GameEnds(BlackWins, "Black mates", GE_PLAYER);
10005 GameEnds(WhiteWins, "White mates", GE_PLAYER);
10010 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
10017 if (WhiteOnMove(currentMove)) {
10018 GameEnds(BlackWins, "White resigns", GE_PLAYER);
10020 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
10025 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
10036 /* Wrapper around LoadGame for use when a Cmail message is loaded */
10038 CmailLoadGame(f, gameNumber, title, useList)
10046 if (gameNumber > nCmailGames) {
10047 DisplayError(_("No more games in this message"), 0);
10050 if (f == lastLoadGameFP) {
10051 int offset = gameNumber - lastLoadGameNumber;
10053 cmailMsg[0] = NULLCHAR;
10054 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10055 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10056 nCmailMovesRegistered--;
10058 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10059 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10060 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10063 if (! RegisterMove()) return FALSE;
10067 retVal = LoadGame(f, gameNumber, title, useList);
10069 /* Make move registered during previous look at this game, if any */
10070 MakeRegisteredMove();
10072 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10073 commentList[currentMove]
10074 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10075 DisplayComment(currentMove - 1, commentList[currentMove]);
10081 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10086 int gameNumber = lastLoadGameNumber + offset;
10087 if (lastLoadGameFP == NULL) {
10088 DisplayError(_("No game has been loaded yet"), 0);
10091 if (gameNumber <= 0) {
10092 DisplayError(_("Can't back up any further"), 0);
10095 if (cmailMsgLoaded) {
10096 return CmailLoadGame(lastLoadGameFP, gameNumber,
10097 lastLoadGameTitle, lastLoadGameUseList);
10099 return LoadGame(lastLoadGameFP, gameNumber,
10100 lastLoadGameTitle, lastLoadGameUseList);
10106 /* Load the nth game from open file f */
10108 LoadGame(f, gameNumber, title, useList)
10116 int gn = gameNumber;
10117 ListGame *lg = NULL;
10118 int numPGNTags = 0;
10120 GameMode oldGameMode;
10121 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10123 if (appData.debugMode)
10124 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10126 if (gameMode == Training )
10127 SetTrainingModeOff();
10129 oldGameMode = gameMode;
10130 if (gameMode != BeginningOfGame) {
10131 Reset(FALSE, TRUE);
10135 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10136 fclose(lastLoadGameFP);
10140 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10143 fseek(f, lg->offset, 0);
10144 GameListHighlight(gameNumber);
10148 DisplayError(_("Game number out of range"), 0);
10153 if (fseek(f, 0, 0) == -1) {
10154 if (f == lastLoadGameFP ?
10155 gameNumber == lastLoadGameNumber + 1 :
10159 DisplayError(_("Can't seek on game file"), 0);
10164 lastLoadGameFP = f;
10165 lastLoadGameNumber = gameNumber;
10166 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10167 lastLoadGameUseList = useList;
10171 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10172 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10173 lg->gameInfo.black);
10175 } else if (*title != NULLCHAR) {
10176 if (gameNumber > 1) {
10177 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
10180 DisplayTitle(title);
10184 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10185 gameMode = PlayFromGameFile;
10189 currentMove = forwardMostMove = backwardMostMove = 0;
10190 CopyBoard(boards[0], initialPosition);
10194 * Skip the first gn-1 games in the file.
10195 * Also skip over anything that precedes an identifiable
10196 * start of game marker, to avoid being confused by
10197 * garbage at the start of the file. Currently
10198 * recognized start of game markers are the move number "1",
10199 * the pattern "gnuchess .* game", the pattern
10200 * "^[#;%] [^ ]* game file", and a PGN tag block.
10201 * A game that starts with one of the latter two patterns
10202 * will also have a move number 1, possibly
10203 * following a position diagram.
10204 * 5-4-02: Let's try being more lenient and allowing a game to
10205 * start with an unnumbered move. Does that break anything?
10207 cm = lastLoadGameStart = EndOfFile;
10209 yyboardindex = forwardMostMove;
10210 cm = (ChessMove) Myylex();
10213 if (cmailMsgLoaded) {
10214 nCmailGames = CMAIL_MAX_GAMES - gn;
10217 DisplayError(_("Game not found in file"), 0);
10224 lastLoadGameStart = cm;
10227 case MoveNumberOne:
10228 switch (lastLoadGameStart) {
10233 case MoveNumberOne:
10235 gn--; /* count this game */
10236 lastLoadGameStart = cm;
10245 switch (lastLoadGameStart) {
10248 case MoveNumberOne:
10250 gn--; /* count this game */
10251 lastLoadGameStart = cm;
10254 lastLoadGameStart = cm; /* game counted already */
10262 yyboardindex = forwardMostMove;
10263 cm = (ChessMove) Myylex();
10264 } while (cm == PGNTag || cm == Comment);
10271 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10272 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10273 != CMAIL_OLD_RESULT) {
10275 cmailResult[ CMAIL_MAX_GAMES
10276 - gn - 1] = CMAIL_OLD_RESULT;
10282 /* Only a NormalMove can be at the start of a game
10283 * without a position diagram. */
10284 if (lastLoadGameStart == EndOfFile ) {
10286 lastLoadGameStart = MoveNumberOne;
10295 if (appData.debugMode)
10296 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10298 if (cm == XBoardGame) {
10299 /* Skip any header junk before position diagram and/or move 1 */
10301 yyboardindex = forwardMostMove;
10302 cm = (ChessMove) Myylex();
10304 if (cm == EndOfFile ||
10305 cm == GNUChessGame || cm == XBoardGame) {
10306 /* Empty game; pretend end-of-file and handle later */
10311 if (cm == MoveNumberOne || cm == PositionDiagram ||
10312 cm == PGNTag || cm == Comment)
10315 } else if (cm == GNUChessGame) {
10316 if (gameInfo.event != NULL) {
10317 free(gameInfo.event);
10319 gameInfo.event = StrSave(yy_text);
10322 startedFromSetupPosition = FALSE;
10323 while (cm == PGNTag) {
10324 if (appData.debugMode)
10325 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10326 err = ParsePGNTag(yy_text, &gameInfo);
10327 if (!err) numPGNTags++;
10329 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10330 if(gameInfo.variant != oldVariant) {
10331 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10332 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10333 InitPosition(TRUE);
10334 oldVariant = gameInfo.variant;
10335 if (appData.debugMode)
10336 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10340 if (gameInfo.fen != NULL) {
10341 Board initial_position;
10342 startedFromSetupPosition = TRUE;
10343 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10345 DisplayError(_("Bad FEN position in file"), 0);
10348 CopyBoard(boards[0], initial_position);
10349 if (blackPlaysFirst) {
10350 currentMove = forwardMostMove = backwardMostMove = 1;
10351 CopyBoard(boards[1], initial_position);
10352 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10353 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10354 timeRemaining[0][1] = whiteTimeRemaining;
10355 timeRemaining[1][1] = blackTimeRemaining;
10356 if (commentList[0] != NULL) {
10357 commentList[1] = commentList[0];
10358 commentList[0] = NULL;
10361 currentMove = forwardMostMove = backwardMostMove = 0;
10363 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10365 initialRulePlies = FENrulePlies;
10366 for( i=0; i< nrCastlingRights; i++ )
10367 initialRights[i] = initial_position[CASTLING][i];
10369 yyboardindex = forwardMostMove;
10370 free(gameInfo.fen);
10371 gameInfo.fen = NULL;
10374 yyboardindex = forwardMostMove;
10375 cm = (ChessMove) Myylex();
10377 /* Handle comments interspersed among the tags */
10378 while (cm == Comment) {
10380 if (appData.debugMode)
10381 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10383 AppendComment(currentMove, p, FALSE);
10384 yyboardindex = forwardMostMove;
10385 cm = (ChessMove) Myylex();
10389 /* don't rely on existence of Event tag since if game was
10390 * pasted from clipboard the Event tag may not exist
10392 if (numPGNTags > 0){
10394 if (gameInfo.variant == VariantNormal) {
10395 VariantClass v = StringToVariant(gameInfo.event);
10396 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10397 if(v < VariantShogi) gameInfo.variant = v;
10400 if( appData.autoDisplayTags ) {
10401 tags = PGNTags(&gameInfo);
10402 TagsPopUp(tags, CmailMsg());
10407 /* Make something up, but don't display it now */
10412 if (cm == PositionDiagram) {
10415 Board initial_position;
10417 if (appData.debugMode)
10418 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10420 if (!startedFromSetupPosition) {
10422 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10423 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10433 initial_position[i][j++] = CharToPiece(*p);
10436 while (*p == ' ' || *p == '\t' ||
10437 *p == '\n' || *p == '\r') p++;
10439 if (strncmp(p, "black", strlen("black"))==0)
10440 blackPlaysFirst = TRUE;
10442 blackPlaysFirst = FALSE;
10443 startedFromSetupPosition = TRUE;
10445 CopyBoard(boards[0], initial_position);
10446 if (blackPlaysFirst) {
10447 currentMove = forwardMostMove = backwardMostMove = 1;
10448 CopyBoard(boards[1], initial_position);
10449 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10450 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10451 timeRemaining[0][1] = whiteTimeRemaining;
10452 timeRemaining[1][1] = blackTimeRemaining;
10453 if (commentList[0] != NULL) {
10454 commentList[1] = commentList[0];
10455 commentList[0] = NULL;
10458 currentMove = forwardMostMove = backwardMostMove = 0;
10461 yyboardindex = forwardMostMove;
10462 cm = (ChessMove) Myylex();
10465 if (first.pr == NoProc) {
10466 StartChessProgram(&first);
10468 InitChessProgram(&first, FALSE);
10469 SendToProgram("force\n", &first);
10470 if (startedFromSetupPosition) {
10471 SendBoard(&first, forwardMostMove);
10472 if (appData.debugMode) {
10473 fprintf(debugFP, "Load Game\n");
10475 DisplayBothClocks();
10478 /* [HGM] server: flag to write setup moves in broadcast file as one */
10479 loadFlag = appData.suppressLoadMoves;
10481 while (cm == Comment) {
10483 if (appData.debugMode)
10484 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10486 AppendComment(currentMove, p, FALSE);
10487 yyboardindex = forwardMostMove;
10488 cm = (ChessMove) Myylex();
10491 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
10492 cm == WhiteWins || cm == BlackWins ||
10493 cm == GameIsDrawn || cm == GameUnfinished) {
10494 DisplayMessage("", _("No moves in game"));
10495 if (cmailMsgLoaded) {
10496 if (appData.debugMode)
10497 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10501 DrawPosition(FALSE, boards[currentMove]);
10502 DisplayBothClocks();
10503 gameMode = EditGame;
10510 // [HGM] PV info: routine tests if comment empty
10511 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10512 DisplayComment(currentMove - 1, commentList[currentMove]);
10514 if (!matchMode && appData.timeDelay != 0)
10515 DrawPosition(FALSE, boards[currentMove]);
10517 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10518 programStats.ok_to_send = 1;
10521 /* if the first token after the PGN tags is a move
10522 * and not move number 1, retrieve it from the parser
10524 if (cm != MoveNumberOne)
10525 LoadGameOneMove(cm);
10527 /* load the remaining moves from the file */
10528 while (LoadGameOneMove(EndOfFile)) {
10529 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10530 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10533 /* rewind to the start of the game */
10534 currentMove = backwardMostMove;
10536 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10538 if (oldGameMode == AnalyzeFile ||
10539 oldGameMode == AnalyzeMode) {
10540 AnalyzeFileEvent();
10543 if (matchMode || appData.timeDelay == 0) {
10545 gameMode = EditGame;
10547 } else if (appData.timeDelay > 0) {
10548 AutoPlayGameLoop();
10551 if (appData.debugMode)
10552 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10554 loadFlag = 0; /* [HGM] true game starts */
10558 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10560 ReloadPosition(offset)
10563 int positionNumber = lastLoadPositionNumber + offset;
10564 if (lastLoadPositionFP == NULL) {
10565 DisplayError(_("No position has been loaded yet"), 0);
10568 if (positionNumber <= 0) {
10569 DisplayError(_("Can't back up any further"), 0);
10572 return LoadPosition(lastLoadPositionFP, positionNumber,
10573 lastLoadPositionTitle);
10576 /* Load the nth position from the given file */
10578 LoadPositionFromFile(filename, n, title)
10586 if (strcmp(filename, "-") == 0) {
10587 return LoadPosition(stdin, n, "stdin");
10589 f = fopen(filename, "rb");
10591 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10592 DisplayError(buf, errno);
10595 return LoadPosition(f, n, title);
10600 /* Load the nth position from the given open file, and close it */
10602 LoadPosition(f, positionNumber, title)
10604 int positionNumber;
10607 char *p, line[MSG_SIZ];
10608 Board initial_position;
10609 int i, j, fenMode, pn;
10611 if (gameMode == Training )
10612 SetTrainingModeOff();
10614 if (gameMode != BeginningOfGame) {
10615 Reset(FALSE, TRUE);
10617 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10618 fclose(lastLoadPositionFP);
10620 if (positionNumber == 0) positionNumber = 1;
10621 lastLoadPositionFP = f;
10622 lastLoadPositionNumber = positionNumber;
10623 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
10624 if (first.pr == NoProc) {
10625 StartChessProgram(&first);
10626 InitChessProgram(&first, FALSE);
10628 pn = positionNumber;
10629 if (positionNumber < 0) {
10630 /* Negative position number means to seek to that byte offset */
10631 if (fseek(f, -positionNumber, 0) == -1) {
10632 DisplayError(_("Can't seek on position file"), 0);
10637 if (fseek(f, 0, 0) == -1) {
10638 if (f == lastLoadPositionFP ?
10639 positionNumber == lastLoadPositionNumber + 1 :
10640 positionNumber == 1) {
10643 DisplayError(_("Can't seek on position file"), 0);
10648 /* See if this file is FEN or old-style xboard */
10649 if (fgets(line, MSG_SIZ, f) == NULL) {
10650 DisplayError(_("Position not found in file"), 0);
10653 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10654 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10657 if (fenMode || line[0] == '#') pn--;
10659 /* skip positions before number pn */
10660 if (fgets(line, MSG_SIZ, f) == NULL) {
10662 DisplayError(_("Position not found in file"), 0);
10665 if (fenMode || line[0] == '#') pn--;
10670 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10671 DisplayError(_("Bad FEN position in file"), 0);
10675 (void) fgets(line, MSG_SIZ, f);
10676 (void) fgets(line, MSG_SIZ, f);
10678 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10679 (void) fgets(line, MSG_SIZ, f);
10680 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10683 initial_position[i][j++] = CharToPiece(*p);
10687 blackPlaysFirst = FALSE;
10689 (void) fgets(line, MSG_SIZ, f);
10690 if (strncmp(line, "black", strlen("black"))==0)
10691 blackPlaysFirst = TRUE;
10694 startedFromSetupPosition = TRUE;
10696 SendToProgram("force\n", &first);
10697 CopyBoard(boards[0], initial_position);
10698 if (blackPlaysFirst) {
10699 currentMove = forwardMostMove = backwardMostMove = 1;
10700 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10701 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10702 CopyBoard(boards[1], initial_position);
10703 DisplayMessage("", _("Black to play"));
10705 currentMove = forwardMostMove = backwardMostMove = 0;
10706 DisplayMessage("", _("White to play"));
10708 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10709 SendBoard(&first, forwardMostMove);
10710 if (appData.debugMode) {
10712 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10713 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10714 fprintf(debugFP, "Load Position\n");
10717 if (positionNumber > 1) {
10718 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
10719 DisplayTitle(line);
10721 DisplayTitle(title);
10723 gameMode = EditGame;
10726 timeRemaining[0][1] = whiteTimeRemaining;
10727 timeRemaining[1][1] = blackTimeRemaining;
10728 DrawPosition(FALSE, boards[currentMove]);
10735 CopyPlayerNameIntoFileName(dest, src)
10738 while (*src != NULLCHAR && *src != ',') {
10743 *(*dest)++ = *src++;
10748 char *DefaultFileName(ext)
10751 static char def[MSG_SIZ];
10754 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10756 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10758 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10760 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
10767 /* Save the current game to the given file */
10769 SaveGameToFile(filename, append)
10776 if (strcmp(filename, "-") == 0) {
10777 return SaveGame(stdout, 0, NULL);
10779 f = fopen(filename, append ? "a" : "w");
10781 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10782 DisplayError(buf, errno);
10785 return SaveGame(f, 0, NULL);
10794 static char buf[MSG_SIZ];
10797 p = strchr(str, ' ');
10798 if (p == NULL) return str;
10799 strncpy(buf, str, p - str);
10800 buf[p - str] = NULLCHAR;
10804 #define PGN_MAX_LINE 75
10806 #define PGN_SIDE_WHITE 0
10807 #define PGN_SIDE_BLACK 1
10810 static int FindFirstMoveOutOfBook( int side )
10814 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10815 int index = backwardMostMove;
10816 int has_book_hit = 0;
10818 if( (index % 2) != side ) {
10822 while( index < forwardMostMove ) {
10823 /* Check to see if engine is in book */
10824 int depth = pvInfoList[index].depth;
10825 int score = pvInfoList[index].score;
10831 else if( score == 0 && depth == 63 ) {
10832 in_book = 1; /* Zappa */
10834 else if( score == 2 && depth == 99 ) {
10835 in_book = 1; /* Abrok */
10838 has_book_hit += in_book;
10854 void GetOutOfBookInfo( char * buf )
10858 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10860 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10861 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10865 if( oob[0] >= 0 || oob[1] >= 0 ) {
10866 for( i=0; i<2; i++ ) {
10870 if( i > 0 && oob[0] >= 0 ) {
10871 strcat( buf, " " );
10874 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10875 sprintf( buf+strlen(buf), "%s%.2f",
10876 pvInfoList[idx].score >= 0 ? "+" : "",
10877 pvInfoList[idx].score / 100.0 );
10883 /* Save game in PGN style and close the file */
10888 int i, offset, linelen, newblock;
10892 int movelen, numlen, blank;
10893 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10895 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10897 tm = time((time_t *) NULL);
10899 PrintPGNTags(f, &gameInfo);
10901 if (backwardMostMove > 0 || startedFromSetupPosition) {
10902 char *fen = PositionToFEN(backwardMostMove, NULL);
10903 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10904 fprintf(f, "\n{--------------\n");
10905 PrintPosition(f, backwardMostMove);
10906 fprintf(f, "--------------}\n");
10910 /* [AS] Out of book annotation */
10911 if( appData.saveOutOfBookInfo ) {
10914 GetOutOfBookInfo( buf );
10916 if( buf[0] != '\0' ) {
10917 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10924 i = backwardMostMove;
10928 while (i < forwardMostMove) {
10929 /* Print comments preceding this move */
10930 if (commentList[i] != NULL) {
10931 if (linelen > 0) fprintf(f, "\n");
10932 fprintf(f, "%s", commentList[i]);
10937 /* Format move number */
10939 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
10942 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
10944 numtext[0] = NULLCHAR;
10946 numlen = strlen(numtext);
10949 /* Print move number */
10950 blank = linelen > 0 && numlen > 0;
10951 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10960 fprintf(f, "%s", numtext);
10964 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
10965 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10968 blank = linelen > 0 && movelen > 0;
10969 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10978 fprintf(f, "%s", move_buffer);
10979 linelen += movelen;
10981 /* [AS] Add PV info if present */
10982 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10983 /* [HGM] add time */
10984 char buf[MSG_SIZ]; int seconds;
10986 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10992 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
10995 seconds = (seconds + 4)/10; // round to full seconds
10997 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
10999 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
11002 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
11003 pvInfoList[i].score >= 0 ? "+" : "",
11004 pvInfoList[i].score / 100.0,
11005 pvInfoList[i].depth,
11008 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
11010 /* Print score/depth */
11011 blank = linelen > 0 && movelen > 0;
11012 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11021 fprintf(f, "%s", move_buffer);
11022 linelen += movelen;
11028 /* Start a new line */
11029 if (linelen > 0) fprintf(f, "\n");
11031 /* Print comments after last move */
11032 if (commentList[i] != NULL) {
11033 fprintf(f, "%s\n", commentList[i]);
11037 if (gameInfo.resultDetails != NULL &&
11038 gameInfo.resultDetails[0] != NULLCHAR) {
11039 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
11040 PGNResult(gameInfo.result));
11042 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11046 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11050 /* Save game in old style and close the file */
11052 SaveGameOldStyle(f)
11058 tm = time((time_t *) NULL);
11060 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11063 if (backwardMostMove > 0 || startedFromSetupPosition) {
11064 fprintf(f, "\n[--------------\n");
11065 PrintPosition(f, backwardMostMove);
11066 fprintf(f, "--------------]\n");
11071 i = backwardMostMove;
11072 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11074 while (i < forwardMostMove) {
11075 if (commentList[i] != NULL) {
11076 fprintf(f, "[%s]\n", commentList[i]);
11079 if ((i % 2) == 1) {
11080 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11083 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11085 if (commentList[i] != NULL) {
11089 if (i >= forwardMostMove) {
11093 fprintf(f, "%s\n", parseList[i]);
11098 if (commentList[i] != NULL) {
11099 fprintf(f, "[%s]\n", commentList[i]);
11102 /* This isn't really the old style, but it's close enough */
11103 if (gameInfo.resultDetails != NULL &&
11104 gameInfo.resultDetails[0] != NULLCHAR) {
11105 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11106 gameInfo.resultDetails);
11108 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11115 /* Save the current game to open file f and close the file */
11117 SaveGame(f, dummy, dummy2)
11122 if (gameMode == EditPosition) EditPositionDone(TRUE);
11123 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11124 if (appData.oldSaveStyle)
11125 return SaveGameOldStyle(f);
11127 return SaveGamePGN(f);
11130 /* Save the current position to the given file */
11132 SavePositionToFile(filename)
11138 if (strcmp(filename, "-") == 0) {
11139 return SavePosition(stdout, 0, NULL);
11141 f = fopen(filename, "a");
11143 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11144 DisplayError(buf, errno);
11147 SavePosition(f, 0, NULL);
11153 /* Save the current position to the given open file and close the file */
11155 SavePosition(f, dummy, dummy2)
11163 if (gameMode == EditPosition) EditPositionDone(TRUE);
11164 if (appData.oldSaveStyle) {
11165 tm = time((time_t *) NULL);
11167 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11169 fprintf(f, "[--------------\n");
11170 PrintPosition(f, currentMove);
11171 fprintf(f, "--------------]\n");
11173 fen = PositionToFEN(currentMove, NULL);
11174 fprintf(f, "%s\n", fen);
11182 ReloadCmailMsgEvent(unregister)
11186 static char *inFilename = NULL;
11187 static char *outFilename;
11189 struct stat inbuf, outbuf;
11192 /* Any registered moves are unregistered if unregister is set, */
11193 /* i.e. invoked by the signal handler */
11195 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11196 cmailMoveRegistered[i] = FALSE;
11197 if (cmailCommentList[i] != NULL) {
11198 free(cmailCommentList[i]);
11199 cmailCommentList[i] = NULL;
11202 nCmailMovesRegistered = 0;
11205 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11206 cmailResult[i] = CMAIL_NOT_RESULT;
11210 if (inFilename == NULL) {
11211 /* Because the filenames are static they only get malloced once */
11212 /* and they never get freed */
11213 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11214 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11216 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11217 sprintf(outFilename, "%s.out", appData.cmailGameName);
11220 status = stat(outFilename, &outbuf);
11222 cmailMailedMove = FALSE;
11224 status = stat(inFilename, &inbuf);
11225 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11228 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11229 counts the games, notes how each one terminated, etc.
11231 It would be nice to remove this kludge and instead gather all
11232 the information while building the game list. (And to keep it
11233 in the game list nodes instead of having a bunch of fixed-size
11234 parallel arrays.) Note this will require getting each game's
11235 termination from the PGN tags, as the game list builder does
11236 not process the game moves. --mann
11238 cmailMsgLoaded = TRUE;
11239 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11241 /* Load first game in the file or popup game menu */
11242 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11244 #endif /* !WIN32 */
11252 char string[MSG_SIZ];
11254 if ( cmailMailedMove
11255 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11256 return TRUE; /* Allow free viewing */
11259 /* Unregister move to ensure that we don't leave RegisterMove */
11260 /* with the move registered when the conditions for registering no */
11262 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11263 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11264 nCmailMovesRegistered --;
11266 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11268 free(cmailCommentList[lastLoadGameNumber - 1]);
11269 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11273 if (cmailOldMove == -1) {
11274 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11278 if (currentMove > cmailOldMove + 1) {
11279 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11283 if (currentMove < cmailOldMove) {
11284 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11288 if (forwardMostMove > currentMove) {
11289 /* Silently truncate extra moves */
11293 if ( (currentMove == cmailOldMove + 1)
11294 || ( (currentMove == cmailOldMove)
11295 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11296 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11297 if (gameInfo.result != GameUnfinished) {
11298 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11301 if (commentList[currentMove] != NULL) {
11302 cmailCommentList[lastLoadGameNumber - 1]
11303 = StrSave(commentList[currentMove]);
11305 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
11307 if (appData.debugMode)
11308 fprintf(debugFP, "Saving %s for game %d\n",
11309 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11311 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11313 f = fopen(string, "w");
11314 if (appData.oldSaveStyle) {
11315 SaveGameOldStyle(f); /* also closes the file */
11317 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
11318 f = fopen(string, "w");
11319 SavePosition(f, 0, NULL); /* also closes the file */
11321 fprintf(f, "{--------------\n");
11322 PrintPosition(f, currentMove);
11323 fprintf(f, "--------------}\n\n");
11325 SaveGame(f, 0, NULL); /* also closes the file*/
11328 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11329 nCmailMovesRegistered ++;
11330 } else if (nCmailGames == 1) {
11331 DisplayError(_("You have not made a move yet"), 0);
11342 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11343 FILE *commandOutput;
11344 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11345 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11351 if (! cmailMsgLoaded) {
11352 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11356 if (nCmailGames == nCmailResults) {
11357 DisplayError(_("No unfinished games"), 0);
11361 #if CMAIL_PROHIBIT_REMAIL
11362 if (cmailMailedMove) {
11363 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);
11364 DisplayError(msg, 0);
11369 if (! (cmailMailedMove || RegisterMove())) return;
11371 if ( cmailMailedMove
11372 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11373 snprintf(string, MSG_SIZ, partCommandString,
11374 appData.debugMode ? " -v" : "", appData.cmailGameName);
11375 commandOutput = popen(string, "r");
11377 if (commandOutput == NULL) {
11378 DisplayError(_("Failed to invoke cmail"), 0);
11380 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11381 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11383 if (nBuffers > 1) {
11384 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11385 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11386 nBytes = MSG_SIZ - 1;
11388 (void) memcpy(msg, buffer, nBytes);
11390 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11392 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11393 cmailMailedMove = TRUE; /* Prevent >1 moves */
11396 for (i = 0; i < nCmailGames; i ++) {
11397 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11402 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11404 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
11406 appData.cmailGameName,
11408 LoadGameFromFile(buffer, 1, buffer, FALSE);
11409 cmailMsgLoaded = FALSE;
11413 DisplayInformation(msg);
11414 pclose(commandOutput);
11417 if ((*cmailMsg) != '\0') {
11418 DisplayInformation(cmailMsg);
11423 #endif /* !WIN32 */
11432 int prependComma = 0;
11434 char string[MSG_SIZ]; /* Space for game-list */
11437 if (!cmailMsgLoaded) return "";
11439 if (cmailMailedMove) {
11440 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
11442 /* Create a list of games left */
11443 snprintf(string, MSG_SIZ, "[");
11444 for (i = 0; i < nCmailGames; i ++) {
11445 if (! ( cmailMoveRegistered[i]
11446 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11447 if (prependComma) {
11448 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
11450 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
11454 strcat(string, number);
11457 strcat(string, "]");
11459 if (nCmailMovesRegistered + nCmailResults == 0) {
11460 switch (nCmailGames) {
11462 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
11466 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
11470 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
11475 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11477 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
11482 if (nCmailResults == nCmailGames) {
11483 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
11485 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
11490 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
11502 if (gameMode == Training)
11503 SetTrainingModeOff();
11506 cmailMsgLoaded = FALSE;
11507 if (appData.icsActive) {
11508 SendToICS(ics_prefix);
11509 SendToICS("refresh\n");
11519 /* Give up on clean exit */
11523 /* Keep trying for clean exit */
11527 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11529 if (telnetISR != NULL) {
11530 RemoveInputSource(telnetISR);
11532 if (icsPR != NoProc) {
11533 DestroyChildProcess(icsPR, TRUE);
11536 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11537 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11539 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11540 /* make sure this other one finishes before killing it! */
11541 if(endingGame) { int count = 0;
11542 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11543 while(endingGame && count++ < 10) DoSleep(1);
11544 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11547 /* Kill off chess programs */
11548 if (first.pr != NoProc) {
11551 DoSleep( appData.delayBeforeQuit );
11552 SendToProgram("quit\n", &first);
11553 DoSleep( appData.delayAfterQuit );
11554 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11556 if (second.pr != NoProc) {
11557 DoSleep( appData.delayBeforeQuit );
11558 SendToProgram("quit\n", &second);
11559 DoSleep( appData.delayAfterQuit );
11560 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11562 if (first.isr != NULL) {
11563 RemoveInputSource(first.isr);
11565 if (second.isr != NULL) {
11566 RemoveInputSource(second.isr);
11569 ShutDownFrontEnd();
11576 if (appData.debugMode)
11577 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11581 if (gameMode == MachinePlaysWhite ||
11582 gameMode == MachinePlaysBlack) {
11585 DisplayBothClocks();
11587 if (gameMode == PlayFromGameFile) {
11588 if (appData.timeDelay >= 0)
11589 AutoPlayGameLoop();
11590 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11591 Reset(FALSE, TRUE);
11592 SendToICS(ics_prefix);
11593 SendToICS("refresh\n");
11594 } else if (currentMove < forwardMostMove) {
11595 ForwardInner(forwardMostMove);
11597 pauseExamInvalid = FALSE;
11599 switch (gameMode) {
11603 pauseExamForwardMostMove = forwardMostMove;
11604 pauseExamInvalid = FALSE;
11607 case IcsPlayingWhite:
11608 case IcsPlayingBlack:
11612 case PlayFromGameFile:
11613 (void) StopLoadGameTimer();
11617 case BeginningOfGame:
11618 if (appData.icsActive) return;
11619 /* else fall through */
11620 case MachinePlaysWhite:
11621 case MachinePlaysBlack:
11622 case TwoMachinesPlay:
11623 if (forwardMostMove == 0)
11624 return; /* don't pause if no one has moved */
11625 if ((gameMode == MachinePlaysWhite &&
11626 !WhiteOnMove(forwardMostMove)) ||
11627 (gameMode == MachinePlaysBlack &&
11628 WhiteOnMove(forwardMostMove))) {
11641 char title[MSG_SIZ];
11643 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11644 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
11646 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11647 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11648 parseList[currentMove - 1]);
11651 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11658 char *tags = PGNTags(&gameInfo);
11659 EditTagsPopUp(tags, NULL);
11666 if (appData.noChessProgram || gameMode == AnalyzeMode)
11669 if (gameMode != AnalyzeFile) {
11670 if (!appData.icsEngineAnalyze) {
11672 if (gameMode != EditGame) return;
11674 ResurrectChessProgram();
11675 SendToProgram("analyze\n", &first);
11676 first.analyzing = TRUE;
11677 /*first.maybeThinking = TRUE;*/
11678 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11679 EngineOutputPopUp();
11681 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11686 StartAnalysisClock();
11687 GetTimeMark(&lastNodeCountTime);
11694 if (appData.noChessProgram || gameMode == AnalyzeFile)
11697 if (gameMode != AnalyzeMode) {
11699 if (gameMode != EditGame) return;
11700 ResurrectChessProgram();
11701 SendToProgram("analyze\n", &first);
11702 first.analyzing = TRUE;
11703 /*first.maybeThinking = TRUE;*/
11704 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11705 EngineOutputPopUp();
11707 gameMode = AnalyzeFile;
11712 StartAnalysisClock();
11713 GetTimeMark(&lastNodeCountTime);
11718 MachineWhiteEvent()
11721 char *bookHit = NULL;
11723 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11727 if (gameMode == PlayFromGameFile ||
11728 gameMode == TwoMachinesPlay ||
11729 gameMode == Training ||
11730 gameMode == AnalyzeMode ||
11731 gameMode == EndOfGame)
11734 if (gameMode == EditPosition)
11735 EditPositionDone(TRUE);
11737 if (!WhiteOnMove(currentMove)) {
11738 DisplayError(_("It is not White's turn"), 0);
11742 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11745 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11746 gameMode == AnalyzeFile)
11749 ResurrectChessProgram(); /* in case it isn't running */
11750 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11751 gameMode = MachinePlaysWhite;
11754 gameMode = MachinePlaysWhite;
11758 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11760 if (first.sendName) {
11761 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
11762 SendToProgram(buf, &first);
11764 if (first.sendTime) {
11765 if (first.useColors) {
11766 SendToProgram("black\n", &first); /*gnu kludge*/
11768 SendTimeRemaining(&first, TRUE);
11770 if (first.useColors) {
11771 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11773 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11774 SetMachineThinkingEnables();
11775 first.maybeThinking = TRUE;
11779 if (appData.autoFlipView && !flipView) {
11780 flipView = !flipView;
11781 DrawPosition(FALSE, NULL);
11782 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11785 if(bookHit) { // [HGM] book: simulate book reply
11786 static char bookMove[MSG_SIZ]; // a bit generous?
11788 programStats.nodes = programStats.depth = programStats.time =
11789 programStats.score = programStats.got_only_move = 0;
11790 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11792 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11793 strcat(bookMove, bookHit);
11794 HandleMachineMove(bookMove, &first);
11799 MachineBlackEvent()
11802 char *bookHit = NULL;
11804 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11808 if (gameMode == PlayFromGameFile ||
11809 gameMode == TwoMachinesPlay ||
11810 gameMode == Training ||
11811 gameMode == AnalyzeMode ||
11812 gameMode == EndOfGame)
11815 if (gameMode == EditPosition)
11816 EditPositionDone(TRUE);
11818 if (WhiteOnMove(currentMove)) {
11819 DisplayError(_("It is not Black's turn"), 0);
11823 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11826 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11827 gameMode == AnalyzeFile)
11830 ResurrectChessProgram(); /* in case it isn't running */
11831 gameMode = MachinePlaysBlack;
11835 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11837 if (first.sendName) {
11838 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
11839 SendToProgram(buf, &first);
11841 if (first.sendTime) {
11842 if (first.useColors) {
11843 SendToProgram("white\n", &first); /*gnu kludge*/
11845 SendTimeRemaining(&first, FALSE);
11847 if (first.useColors) {
11848 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11850 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11851 SetMachineThinkingEnables();
11852 first.maybeThinking = TRUE;
11855 if (appData.autoFlipView && flipView) {
11856 flipView = !flipView;
11857 DrawPosition(FALSE, NULL);
11858 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11860 if(bookHit) { // [HGM] book: simulate book reply
11861 static char bookMove[MSG_SIZ]; // a bit generous?
11863 programStats.nodes = programStats.depth = programStats.time =
11864 programStats.score = programStats.got_only_move = 0;
11865 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11867 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11868 strcat(bookMove, bookHit);
11869 HandleMachineMove(bookMove, &first);
11875 DisplayTwoMachinesTitle()
11878 if (appData.matchGames > 0) {
11879 if (first.twoMachinesColor[0] == 'w') {
11880 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11881 gameInfo.white, gameInfo.black,
11882 first.matchWins, second.matchWins,
11883 matchGame - 1 - (first.matchWins + second.matchWins));
11885 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11886 gameInfo.white, gameInfo.black,
11887 second.matchWins, first.matchWins,
11888 matchGame - 1 - (first.matchWins + second.matchWins));
11891 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11897 SettingsMenuIfReady()
11899 if (second.lastPing != second.lastPong) {
11900 DisplayMessage("", _("Waiting for second chess program"));
11901 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
11905 DisplayMessage("", "");
11906 SettingsPopUp(&second);
11910 WaitForSecond(DelayedEventCallback retry)
11912 if (second.pr == NULL) {
11913 StartChessProgram(&second);
11914 if (second.protocolVersion == 1) {
11917 /* kludge: allow timeout for initial "feature" command */
11919 DisplayMessage("", _("Starting second chess program"));
11920 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
11928 TwoMachinesEvent P((void))
11932 ChessProgramState *onmove;
11933 char *bookHit = NULL;
11935 if (appData.noChessProgram) return;
11937 switch (gameMode) {
11938 case TwoMachinesPlay:
11940 case MachinePlaysWhite:
11941 case MachinePlaysBlack:
11942 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11943 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11947 case BeginningOfGame:
11948 case PlayFromGameFile:
11951 if (gameMode != EditGame) return;
11954 EditPositionDone(TRUE);
11965 // forwardMostMove = currentMove;
11966 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11967 ResurrectChessProgram(); /* in case first program isn't running */
11969 if(WaitForSecond(TwoMachinesEventIfReady)) return;
11970 DisplayMessage("", "");
11971 InitChessProgram(&second, FALSE);
11972 SendToProgram("force\n", &second);
11973 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
11974 ScheduleDelayedEvent(TwoMachinesEvent, 10);
11977 if (startedFromSetupPosition) {
11978 SendBoard(&second, backwardMostMove);
11979 if (appData.debugMode) {
11980 fprintf(debugFP, "Two Machines\n");
11983 for (i = backwardMostMove; i < forwardMostMove; i++) {
11984 SendMoveToProgram(i, &second);
11987 gameMode = TwoMachinesPlay;
11991 DisplayTwoMachinesTitle();
11993 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11999 SendToProgram(first.computerString, &first);
12000 if (first.sendName) {
12001 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
12002 SendToProgram(buf, &first);
12004 SendToProgram(second.computerString, &second);
12005 if (second.sendName) {
12006 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
12007 SendToProgram(buf, &second);
12011 if (!first.sendTime || !second.sendTime) {
12012 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12013 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12015 if (onmove->sendTime) {
12016 if (onmove->useColors) {
12017 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
12019 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
12021 if (onmove->useColors) {
12022 SendToProgram(onmove->twoMachinesColor, onmove);
12024 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
12025 // SendToProgram("go\n", onmove);
12026 onmove->maybeThinking = TRUE;
12027 SetMachineThinkingEnables();
12031 if(bookHit) { // [HGM] book: simulate book reply
12032 static char bookMove[MSG_SIZ]; // a bit generous?
12034 programStats.nodes = programStats.depth = programStats.time =
12035 programStats.score = programStats.got_only_move = 0;
12036 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12038 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12039 strcat(bookMove, bookHit);
12040 savedMessage = bookMove; // args for deferred call
12041 savedState = onmove;
12042 ScheduleDelayedEvent(DeferredBookMove, 1);
12049 if (gameMode == Training) {
12050 SetTrainingModeOff();
12051 gameMode = PlayFromGameFile;
12052 DisplayMessage("", _("Training mode off"));
12054 gameMode = Training;
12055 animateTraining = appData.animate;
12057 /* make sure we are not already at the end of the game */
12058 if (currentMove < forwardMostMove) {
12059 SetTrainingModeOn();
12060 DisplayMessage("", _("Training mode on"));
12062 gameMode = PlayFromGameFile;
12063 DisplayError(_("Already at end of game"), 0);
12072 if (!appData.icsActive) return;
12073 switch (gameMode) {
12074 case IcsPlayingWhite:
12075 case IcsPlayingBlack:
12078 case BeginningOfGame:
12086 EditPositionDone(TRUE);
12099 gameMode = IcsIdle;
12110 switch (gameMode) {
12112 SetTrainingModeOff();
12114 case MachinePlaysWhite:
12115 case MachinePlaysBlack:
12116 case BeginningOfGame:
12117 SendToProgram("force\n", &first);
12118 SetUserThinkingEnables();
12120 case PlayFromGameFile:
12121 (void) StopLoadGameTimer();
12122 if (gameFileFP != NULL) {
12127 EditPositionDone(TRUE);
12132 SendToProgram("force\n", &first);
12134 case TwoMachinesPlay:
12135 GameEnds(EndOfFile, NULL, GE_PLAYER);
12136 ResurrectChessProgram();
12137 SetUserThinkingEnables();
12140 ResurrectChessProgram();
12142 case IcsPlayingBlack:
12143 case IcsPlayingWhite:
12144 DisplayError(_("Warning: You are still playing a game"), 0);
12147 DisplayError(_("Warning: You are still observing a game"), 0);
12150 DisplayError(_("Warning: You are still examining a game"), 0);
12161 first.offeredDraw = second.offeredDraw = 0;
12163 if (gameMode == PlayFromGameFile) {
12164 whiteTimeRemaining = timeRemaining[0][currentMove];
12165 blackTimeRemaining = timeRemaining[1][currentMove];
12169 if (gameMode == MachinePlaysWhite ||
12170 gameMode == MachinePlaysBlack ||
12171 gameMode == TwoMachinesPlay ||
12172 gameMode == EndOfGame) {
12173 i = forwardMostMove;
12174 while (i > currentMove) {
12175 SendToProgram("undo\n", &first);
12178 whiteTimeRemaining = timeRemaining[0][currentMove];
12179 blackTimeRemaining = timeRemaining[1][currentMove];
12180 DisplayBothClocks();
12181 if (whiteFlag || blackFlag) {
12182 whiteFlag = blackFlag = 0;
12187 gameMode = EditGame;
12194 EditPositionEvent()
12196 if (gameMode == EditPosition) {
12202 if (gameMode != EditGame) return;
12204 gameMode = EditPosition;
12207 if (currentMove > 0)
12208 CopyBoard(boards[0], boards[currentMove]);
12210 blackPlaysFirst = !WhiteOnMove(currentMove);
12212 currentMove = forwardMostMove = backwardMostMove = 0;
12213 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12220 /* [DM] icsEngineAnalyze - possible call from other functions */
12221 if (appData.icsEngineAnalyze) {
12222 appData.icsEngineAnalyze = FALSE;
12224 DisplayMessage("",_("Close ICS engine analyze..."));
12226 if (first.analysisSupport && first.analyzing) {
12227 SendToProgram("exit\n", &first);
12228 first.analyzing = FALSE;
12230 thinkOutput[0] = NULLCHAR;
12234 EditPositionDone(Boolean fakeRights)
12236 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12238 startedFromSetupPosition = TRUE;
12239 InitChessProgram(&first, FALSE);
12240 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12241 boards[0][EP_STATUS] = EP_NONE;
12242 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12243 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12244 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12245 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12246 } else boards[0][CASTLING][2] = NoRights;
12247 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12248 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12249 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12250 } else boards[0][CASTLING][5] = NoRights;
12252 SendToProgram("force\n", &first);
12253 if (blackPlaysFirst) {
12254 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12255 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12256 currentMove = forwardMostMove = backwardMostMove = 1;
12257 CopyBoard(boards[1], boards[0]);
12259 currentMove = forwardMostMove = backwardMostMove = 0;
12261 SendBoard(&first, forwardMostMove);
12262 if (appData.debugMode) {
12263 fprintf(debugFP, "EditPosDone\n");
12266 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12267 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12268 gameMode = EditGame;
12270 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12271 ClearHighlights(); /* [AS] */
12274 /* Pause for `ms' milliseconds */
12275 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12285 } while (SubtractTimeMarks(&m2, &m1) < ms);
12288 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12290 SendMultiLineToICS(buf)
12293 char temp[MSG_SIZ+1], *p;
12300 strncpy(temp, buf, len);
12305 if (*p == '\n' || *p == '\r')
12310 strcat(temp, "\n");
12312 SendToPlayer(temp, strlen(temp));
12316 SetWhiteToPlayEvent()
12318 if (gameMode == EditPosition) {
12319 blackPlaysFirst = FALSE;
12320 DisplayBothClocks(); /* works because currentMove is 0 */
12321 } else if (gameMode == IcsExamining) {
12322 SendToICS(ics_prefix);
12323 SendToICS("tomove white\n");
12328 SetBlackToPlayEvent()
12330 if (gameMode == EditPosition) {
12331 blackPlaysFirst = TRUE;
12332 currentMove = 1; /* kludge */
12333 DisplayBothClocks();
12335 } else if (gameMode == IcsExamining) {
12336 SendToICS(ics_prefix);
12337 SendToICS("tomove black\n");
12342 EditPositionMenuEvent(selection, x, y)
12343 ChessSquare selection;
12347 ChessSquare piece = boards[0][y][x];
12349 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12351 switch (selection) {
12353 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12354 SendToICS(ics_prefix);
12355 SendToICS("bsetup clear\n");
12356 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12357 SendToICS(ics_prefix);
12358 SendToICS("clearboard\n");
12360 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12361 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12362 for (y = 0; y < BOARD_HEIGHT; y++) {
12363 if (gameMode == IcsExamining) {
12364 if (boards[currentMove][y][x] != EmptySquare) {
12365 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
12370 boards[0][y][x] = p;
12375 if (gameMode == EditPosition) {
12376 DrawPosition(FALSE, boards[0]);
12381 SetWhiteToPlayEvent();
12385 SetBlackToPlayEvent();
12389 if (gameMode == IcsExamining) {
12390 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12391 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12394 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12395 if(x == BOARD_LEFT-2) {
12396 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12397 boards[0][y][1] = 0;
12399 if(x == BOARD_RGHT+1) {
12400 if(y >= gameInfo.holdingsSize) break;
12401 boards[0][y][BOARD_WIDTH-2] = 0;
12404 boards[0][y][x] = EmptySquare;
12405 DrawPosition(FALSE, boards[0]);
12410 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12411 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12412 selection = (ChessSquare) (PROMOTED piece);
12413 } else if(piece == EmptySquare) selection = WhiteSilver;
12414 else selection = (ChessSquare)((int)piece - 1);
12418 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12419 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12420 selection = (ChessSquare) (DEMOTED piece);
12421 } else if(piece == EmptySquare) selection = BlackSilver;
12422 else selection = (ChessSquare)((int)piece + 1);
12427 if(gameInfo.variant == VariantShatranj ||
12428 gameInfo.variant == VariantXiangqi ||
12429 gameInfo.variant == VariantCourier ||
12430 gameInfo.variant == VariantMakruk )
12431 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12436 if(gameInfo.variant == VariantXiangqi)
12437 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12438 if(gameInfo.variant == VariantKnightmate)
12439 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12442 if (gameMode == IcsExamining) {
12443 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12444 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
12445 PieceToChar(selection), AAA + x, ONE + y);
12448 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12450 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12451 n = PieceToNumber(selection - BlackPawn);
12452 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12453 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12454 boards[0][BOARD_HEIGHT-1-n][1]++;
12456 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12457 n = PieceToNumber(selection);
12458 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12459 boards[0][n][BOARD_WIDTH-1] = selection;
12460 boards[0][n][BOARD_WIDTH-2]++;
12463 boards[0][y][x] = selection;
12464 DrawPosition(TRUE, boards[0]);
12472 DropMenuEvent(selection, x, y)
12473 ChessSquare selection;
12476 ChessMove moveType;
12478 switch (gameMode) {
12479 case IcsPlayingWhite:
12480 case MachinePlaysBlack:
12481 if (!WhiteOnMove(currentMove)) {
12482 DisplayMoveError(_("It is Black's turn"));
12485 moveType = WhiteDrop;
12487 case IcsPlayingBlack:
12488 case MachinePlaysWhite:
12489 if (WhiteOnMove(currentMove)) {
12490 DisplayMoveError(_("It is White's turn"));
12493 moveType = BlackDrop;
12496 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12502 if (moveType == BlackDrop && selection < BlackPawn) {
12503 selection = (ChessSquare) ((int) selection
12504 + (int) BlackPawn - (int) WhitePawn);
12506 if (boards[currentMove][y][x] != EmptySquare) {
12507 DisplayMoveError(_("That square is occupied"));
12511 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12517 /* Accept a pending offer of any kind from opponent */
12519 if (appData.icsActive) {
12520 SendToICS(ics_prefix);
12521 SendToICS("accept\n");
12522 } else if (cmailMsgLoaded) {
12523 if (currentMove == cmailOldMove &&
12524 commentList[cmailOldMove] != NULL &&
12525 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12526 "Black offers a draw" : "White offers a draw")) {
12528 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12529 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12531 DisplayError(_("There is no pending offer on this move"), 0);
12532 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12535 /* Not used for offers from chess program */
12542 /* Decline a pending offer of any kind from opponent */
12544 if (appData.icsActive) {
12545 SendToICS(ics_prefix);
12546 SendToICS("decline\n");
12547 } else if (cmailMsgLoaded) {
12548 if (currentMove == cmailOldMove &&
12549 commentList[cmailOldMove] != NULL &&
12550 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12551 "Black offers a draw" : "White offers a draw")) {
12553 AppendComment(cmailOldMove, "Draw declined", TRUE);
12554 DisplayComment(cmailOldMove - 1, "Draw declined");
12557 DisplayError(_("There is no pending offer on this move"), 0);
12560 /* Not used for offers from chess program */
12567 /* Issue ICS rematch command */
12568 if (appData.icsActive) {
12569 SendToICS(ics_prefix);
12570 SendToICS("rematch\n");
12577 /* Call your opponent's flag (claim a win on time) */
12578 if (appData.icsActive) {
12579 SendToICS(ics_prefix);
12580 SendToICS("flag\n");
12582 switch (gameMode) {
12585 case MachinePlaysWhite:
12588 GameEnds(GameIsDrawn, "Both players ran out of time",
12591 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12593 DisplayError(_("Your opponent is not out of time"), 0);
12596 case MachinePlaysBlack:
12599 GameEnds(GameIsDrawn, "Both players ran out of time",
12602 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12604 DisplayError(_("Your opponent is not out of time"), 0);
12614 /* Offer draw or accept pending draw offer from opponent */
12616 if (appData.icsActive) {
12617 /* Note: tournament rules require draw offers to be
12618 made after you make your move but before you punch
12619 your clock. Currently ICS doesn't let you do that;
12620 instead, you immediately punch your clock after making
12621 a move, but you can offer a draw at any time. */
12623 SendToICS(ics_prefix);
12624 SendToICS("draw\n");
12625 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12626 } else if (cmailMsgLoaded) {
12627 if (currentMove == cmailOldMove &&
12628 commentList[cmailOldMove] != NULL &&
12629 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12630 "Black offers a draw" : "White offers a draw")) {
12631 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12632 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12633 } else if (currentMove == cmailOldMove + 1) {
12634 char *offer = WhiteOnMove(cmailOldMove) ?
12635 "White offers a draw" : "Black offers a draw";
12636 AppendComment(currentMove, offer, TRUE);
12637 DisplayComment(currentMove - 1, offer);
12638 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12640 DisplayError(_("You must make your move before offering a draw"), 0);
12641 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12643 } else if (first.offeredDraw) {
12644 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12646 if (first.sendDrawOffers) {
12647 SendToProgram("draw\n", &first);
12648 userOfferedDraw = TRUE;
12656 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12658 if (appData.icsActive) {
12659 SendToICS(ics_prefix);
12660 SendToICS("adjourn\n");
12662 /* Currently GNU Chess doesn't offer or accept Adjourns */
12670 /* Offer Abort or accept pending Abort offer from opponent */
12672 if (appData.icsActive) {
12673 SendToICS(ics_prefix);
12674 SendToICS("abort\n");
12676 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12683 /* Resign. You can do this even if it's not your turn. */
12685 if (appData.icsActive) {
12686 SendToICS(ics_prefix);
12687 SendToICS("resign\n");
12689 switch (gameMode) {
12690 case MachinePlaysWhite:
12691 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12693 case MachinePlaysBlack:
12694 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12697 if (cmailMsgLoaded) {
12699 if (WhiteOnMove(cmailOldMove)) {
12700 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12702 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12704 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12715 StopObservingEvent()
12717 /* Stop observing current games */
12718 SendToICS(ics_prefix);
12719 SendToICS("unobserve\n");
12723 StopExaminingEvent()
12725 /* Stop observing current game */
12726 SendToICS(ics_prefix);
12727 SendToICS("unexamine\n");
12731 ForwardInner(target)
12736 if (appData.debugMode)
12737 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12738 target, currentMove, forwardMostMove);
12740 if (gameMode == EditPosition)
12743 if (gameMode == PlayFromGameFile && !pausing)
12746 if (gameMode == IcsExamining && pausing)
12747 limit = pauseExamForwardMostMove;
12749 limit = forwardMostMove;
12751 if (target > limit) target = limit;
12753 if (target > 0 && moveList[target - 1][0]) {
12754 int fromX, fromY, toX, toY;
12755 toX = moveList[target - 1][2] - AAA;
12756 toY = moveList[target - 1][3] - ONE;
12757 if (moveList[target - 1][1] == '@') {
12758 if (appData.highlightLastMove) {
12759 SetHighlights(-1, -1, toX, toY);
12762 fromX = moveList[target - 1][0] - AAA;
12763 fromY = moveList[target - 1][1] - ONE;
12764 if (target == currentMove + 1) {
12765 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12767 if (appData.highlightLastMove) {
12768 SetHighlights(fromX, fromY, toX, toY);
12772 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12773 gameMode == Training || gameMode == PlayFromGameFile ||
12774 gameMode == AnalyzeFile) {
12775 while (currentMove < target) {
12776 SendMoveToProgram(currentMove++, &first);
12779 currentMove = target;
12782 if (gameMode == EditGame || gameMode == EndOfGame) {
12783 whiteTimeRemaining = timeRemaining[0][currentMove];
12784 blackTimeRemaining = timeRemaining[1][currentMove];
12786 DisplayBothClocks();
12787 DisplayMove(currentMove - 1);
12788 DrawPosition(FALSE, boards[currentMove]);
12789 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12790 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12791 DisplayComment(currentMove - 1, commentList[currentMove]);
12799 if (gameMode == IcsExamining && !pausing) {
12800 SendToICS(ics_prefix);
12801 SendToICS("forward\n");
12803 ForwardInner(currentMove + 1);
12810 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12811 /* to optimze, we temporarily turn off analysis mode while we feed
12812 * the remaining moves to the engine. Otherwise we get analysis output
12815 if (first.analysisSupport) {
12816 SendToProgram("exit\nforce\n", &first);
12817 first.analyzing = FALSE;
12821 if (gameMode == IcsExamining && !pausing) {
12822 SendToICS(ics_prefix);
12823 SendToICS("forward 999999\n");
12825 ForwardInner(forwardMostMove);
12828 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12829 /* we have fed all the moves, so reactivate analysis mode */
12830 SendToProgram("analyze\n", &first);
12831 first.analyzing = TRUE;
12832 /*first.maybeThinking = TRUE;*/
12833 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12838 BackwardInner(target)
12841 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12843 if (appData.debugMode)
12844 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12845 target, currentMove, forwardMostMove);
12847 if (gameMode == EditPosition) return;
12848 if (currentMove <= backwardMostMove) {
12850 DrawPosition(full_redraw, boards[currentMove]);
12853 if (gameMode == PlayFromGameFile && !pausing)
12856 if (moveList[target][0]) {
12857 int fromX, fromY, toX, toY;
12858 toX = moveList[target][2] - AAA;
12859 toY = moveList[target][3] - ONE;
12860 if (moveList[target][1] == '@') {
12861 if (appData.highlightLastMove) {
12862 SetHighlights(-1, -1, toX, toY);
12865 fromX = moveList[target][0] - AAA;
12866 fromY = moveList[target][1] - ONE;
12867 if (target == currentMove - 1) {
12868 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12870 if (appData.highlightLastMove) {
12871 SetHighlights(fromX, fromY, toX, toY);
12875 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12876 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12877 while (currentMove > target) {
12878 SendToProgram("undo\n", &first);
12882 currentMove = target;
12885 if (gameMode == EditGame || gameMode == EndOfGame) {
12886 whiteTimeRemaining = timeRemaining[0][currentMove];
12887 blackTimeRemaining = timeRemaining[1][currentMove];
12889 DisplayBothClocks();
12890 DisplayMove(currentMove - 1);
12891 DrawPosition(full_redraw, boards[currentMove]);
12892 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12893 // [HGM] PV info: routine tests if comment empty
12894 DisplayComment(currentMove - 1, commentList[currentMove]);
12900 if (gameMode == IcsExamining && !pausing) {
12901 SendToICS(ics_prefix);
12902 SendToICS("backward\n");
12904 BackwardInner(currentMove - 1);
12911 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12912 /* to optimize, we temporarily turn off analysis mode while we undo
12913 * all the moves. Otherwise we get analysis output after each undo.
12915 if (first.analysisSupport) {
12916 SendToProgram("exit\nforce\n", &first);
12917 first.analyzing = FALSE;
12921 if (gameMode == IcsExamining && !pausing) {
12922 SendToICS(ics_prefix);
12923 SendToICS("backward 999999\n");
12925 BackwardInner(backwardMostMove);
12928 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12929 /* we have fed all the moves, so reactivate analysis mode */
12930 SendToProgram("analyze\n", &first);
12931 first.analyzing = TRUE;
12932 /*first.maybeThinking = TRUE;*/
12933 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12940 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12941 if (to >= forwardMostMove) to = forwardMostMove;
12942 if (to <= backwardMostMove) to = backwardMostMove;
12943 if (to < currentMove) {
12951 RevertEvent(Boolean annotate)
12953 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12956 if (gameMode != IcsExamining) {
12957 DisplayError(_("You are not examining a game"), 0);
12961 DisplayError(_("You can't revert while pausing"), 0);
12964 SendToICS(ics_prefix);
12965 SendToICS("revert\n");
12971 switch (gameMode) {
12972 case MachinePlaysWhite:
12973 case MachinePlaysBlack:
12974 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12975 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12978 if (forwardMostMove < 2) return;
12979 currentMove = forwardMostMove = forwardMostMove - 2;
12980 whiteTimeRemaining = timeRemaining[0][currentMove];
12981 blackTimeRemaining = timeRemaining[1][currentMove];
12982 DisplayBothClocks();
12983 DisplayMove(currentMove - 1);
12984 ClearHighlights();/*!! could figure this out*/
12985 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12986 SendToProgram("remove\n", &first);
12987 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12990 case BeginningOfGame:
12994 case IcsPlayingWhite:
12995 case IcsPlayingBlack:
12996 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12997 SendToICS(ics_prefix);
12998 SendToICS("takeback 2\n");
13000 SendToICS(ics_prefix);
13001 SendToICS("takeback 1\n");
13010 ChessProgramState *cps;
13012 switch (gameMode) {
13013 case MachinePlaysWhite:
13014 if (!WhiteOnMove(forwardMostMove)) {
13015 DisplayError(_("It is your turn"), 0);
13020 case MachinePlaysBlack:
13021 if (WhiteOnMove(forwardMostMove)) {
13022 DisplayError(_("It is your turn"), 0);
13027 case TwoMachinesPlay:
13028 if (WhiteOnMove(forwardMostMove) ==
13029 (first.twoMachinesColor[0] == 'w')) {
13035 case BeginningOfGame:
13039 SendToProgram("?\n", cps);
13043 TruncateGameEvent()
13046 if (gameMode != EditGame) return;
13053 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
13054 if (forwardMostMove > currentMove) {
13055 if (gameInfo.resultDetails != NULL) {
13056 free(gameInfo.resultDetails);
13057 gameInfo.resultDetails = NULL;
13058 gameInfo.result = GameUnfinished;
13060 forwardMostMove = currentMove;
13061 HistorySet(parseList, backwardMostMove, forwardMostMove,
13069 if (appData.noChessProgram) return;
13070 switch (gameMode) {
13071 case MachinePlaysWhite:
13072 if (WhiteOnMove(forwardMostMove)) {
13073 DisplayError(_("Wait until your turn"), 0);
13077 case BeginningOfGame:
13078 case MachinePlaysBlack:
13079 if (!WhiteOnMove(forwardMostMove)) {
13080 DisplayError(_("Wait until your turn"), 0);
13085 DisplayError(_("No hint available"), 0);
13088 SendToProgram("hint\n", &first);
13089 hintRequested = TRUE;
13095 if (appData.noChessProgram) return;
13096 switch (gameMode) {
13097 case MachinePlaysWhite:
13098 if (WhiteOnMove(forwardMostMove)) {
13099 DisplayError(_("Wait until your turn"), 0);
13103 case BeginningOfGame:
13104 case MachinePlaysBlack:
13105 if (!WhiteOnMove(forwardMostMove)) {
13106 DisplayError(_("Wait until your turn"), 0);
13111 EditPositionDone(TRUE);
13113 case TwoMachinesPlay:
13118 SendToProgram("bk\n", &first);
13119 bookOutput[0] = NULLCHAR;
13120 bookRequested = TRUE;
13126 char *tags = PGNTags(&gameInfo);
13127 TagsPopUp(tags, CmailMsg());
13131 /* end button procedures */
13134 PrintPosition(fp, move)
13140 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13141 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13142 char c = PieceToChar(boards[move][i][j]);
13143 fputc(c == 'x' ? '.' : c, fp);
13144 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13147 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13148 fprintf(fp, "white to play\n");
13150 fprintf(fp, "black to play\n");
13157 if (gameInfo.white != NULL) {
13158 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13164 /* Find last component of program's own name, using some heuristics */
13166 TidyProgramName(prog, host, buf)
13167 char *prog, *host, buf[MSG_SIZ];
13170 int local = (strcmp(host, "localhost") == 0);
13171 while (!local && (p = strchr(prog, ';')) != NULL) {
13173 while (*p == ' ') p++;
13176 if (*prog == '"' || *prog == '\'') {
13177 q = strchr(prog + 1, *prog);
13179 q = strchr(prog, ' ');
13181 if (q == NULL) q = prog + strlen(prog);
13183 while (p >= prog && *p != '/' && *p != '\\') p--;
13185 if(p == prog && *p == '"') p++;
13186 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13187 memcpy(buf, p, q - p);
13188 buf[q - p] = NULLCHAR;
13196 TimeControlTagValue()
13199 if (!appData.clockMode) {
13200 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
13201 } else if (movesPerSession > 0) {
13202 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
13203 } else if (timeIncrement == 0) {
13204 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
13206 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13208 return StrSave(buf);
13214 /* This routine is used only for certain modes */
13215 VariantClass v = gameInfo.variant;
13216 ChessMove r = GameUnfinished;
13219 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13220 r = gameInfo.result;
13221 p = gameInfo.resultDetails;
13222 gameInfo.resultDetails = NULL;
13224 ClearGameInfo(&gameInfo);
13225 gameInfo.variant = v;
13227 switch (gameMode) {
13228 case MachinePlaysWhite:
13229 gameInfo.event = StrSave( appData.pgnEventHeader );
13230 gameInfo.site = StrSave(HostName());
13231 gameInfo.date = PGNDate();
13232 gameInfo.round = StrSave("-");
13233 gameInfo.white = StrSave(first.tidy);
13234 gameInfo.black = StrSave(UserName());
13235 gameInfo.timeControl = TimeControlTagValue();
13238 case MachinePlaysBlack:
13239 gameInfo.event = StrSave( appData.pgnEventHeader );
13240 gameInfo.site = StrSave(HostName());
13241 gameInfo.date = PGNDate();
13242 gameInfo.round = StrSave("-");
13243 gameInfo.white = StrSave(UserName());
13244 gameInfo.black = StrSave(first.tidy);
13245 gameInfo.timeControl = TimeControlTagValue();
13248 case TwoMachinesPlay:
13249 gameInfo.event = StrSave( appData.pgnEventHeader );
13250 gameInfo.site = StrSave(HostName());
13251 gameInfo.date = PGNDate();
13252 if (matchGame > 0) {
13254 snprintf(buf, MSG_SIZ, "%d", matchGame);
13255 gameInfo.round = StrSave(buf);
13257 gameInfo.round = StrSave("-");
13259 if (first.twoMachinesColor[0] == 'w') {
13260 gameInfo.white = StrSave(first.tidy);
13261 gameInfo.black = StrSave(second.tidy);
13263 gameInfo.white = StrSave(second.tidy);
13264 gameInfo.black = StrSave(first.tidy);
13266 gameInfo.timeControl = TimeControlTagValue();
13270 gameInfo.event = StrSave("Edited game");
13271 gameInfo.site = StrSave(HostName());
13272 gameInfo.date = PGNDate();
13273 gameInfo.round = StrSave("-");
13274 gameInfo.white = StrSave("-");
13275 gameInfo.black = StrSave("-");
13276 gameInfo.result = r;
13277 gameInfo.resultDetails = p;
13281 gameInfo.event = StrSave("Edited position");
13282 gameInfo.site = StrSave(HostName());
13283 gameInfo.date = PGNDate();
13284 gameInfo.round = StrSave("-");
13285 gameInfo.white = StrSave("-");
13286 gameInfo.black = StrSave("-");
13289 case IcsPlayingWhite:
13290 case IcsPlayingBlack:
13295 case PlayFromGameFile:
13296 gameInfo.event = StrSave("Game from non-PGN file");
13297 gameInfo.site = StrSave(HostName());
13298 gameInfo.date = PGNDate();
13299 gameInfo.round = StrSave("-");
13300 gameInfo.white = StrSave("?");
13301 gameInfo.black = StrSave("?");
13310 ReplaceComment(index, text)
13318 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
13319 pvInfoList[index-1].depth == len &&
13320 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
13321 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
13322 while (*text == '\n') text++;
13323 len = strlen(text);
13324 while (len > 0 && text[len - 1] == '\n') len--;
13326 if (commentList[index] != NULL)
13327 free(commentList[index]);
13330 commentList[index] = NULL;
13333 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13334 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13335 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13336 commentList[index] = (char *) malloc(len + 2);
13337 strncpy(commentList[index], text, len);
13338 commentList[index][len] = '\n';
13339 commentList[index][len + 1] = NULLCHAR;
13341 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13343 commentList[index] = (char *) malloc(len + 7);
13344 safeStrCpy(commentList[index], "{\n", 3);
13345 safeStrCpy(commentList[index]+2, text, len+1);
13346 commentList[index][len+2] = NULLCHAR;
13347 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13348 strcat(commentList[index], "\n}\n");
13362 if (ch == '\r') continue;
13364 } while (ch != '\0');
13368 AppendComment(index, text, addBraces)
13371 Boolean addBraces; // [HGM] braces: tells if we should add {}
13376 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13377 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13380 while (*text == '\n') text++;
13381 len = strlen(text);
13382 while (len > 0 && text[len - 1] == '\n') len--;
13384 if (len == 0) return;
13386 if (commentList[index] != NULL) {
13387 old = commentList[index];
13388 oldlen = strlen(old);
13389 while(commentList[index][oldlen-1] == '\n')
13390 commentList[index][--oldlen] = NULLCHAR;
13391 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13392 safeStrCpy(commentList[index], old, oldlen + len + 6);
13394 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13395 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
13396 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
13397 while (*text == '\n') { text++; len--; }
13398 commentList[index][--oldlen] = NULLCHAR;
13400 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
13401 else strcat(commentList[index], "\n");
13402 strcat(commentList[index], text);
13403 if(addBraces) strcat(commentList[index], addBraces == 2 ? ")\n" : "\n}\n");
13404 else strcat(commentList[index], "\n");
13406 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13408 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
13409 else commentList[index][0] = NULLCHAR;
13410 strcat(commentList[index], text);
13411 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
13412 if(addBraces == TRUE) strcat(commentList[index], "}\n");
13416 static char * FindStr( char * text, char * sub_text )
13418 char * result = strstr( text, sub_text );
13420 if( result != NULL ) {
13421 result += strlen( sub_text );
13427 /* [AS] Try to extract PV info from PGN comment */
13428 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13429 char *GetInfoFromComment( int index, char * text )
13431 char * sep = text, *p;
13433 if( text != NULL && index > 0 ) {
13436 int time = -1, sec = 0, deci;
13437 char * s_eval = FindStr( text, "[%eval " );
13438 char * s_emt = FindStr( text, "[%emt " );
13440 if( s_eval != NULL || s_emt != NULL ) {
13444 if( s_eval != NULL ) {
13445 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13449 if( delim != ']' ) {
13454 if( s_emt != NULL ) {
13459 /* We expect something like: [+|-]nnn.nn/dd */
13462 if(*text != '{') return text; // [HGM] braces: must be normal comment
13464 sep = strchr( text, '/' );
13465 if( sep == NULL || sep < (text+4) ) {
13470 if(p[1] == '(') { // comment starts with PV
13471 p = strchr(p, ')'); // locate end of PV
13472 if(p == NULL || sep < p+5) return text;
13473 // at this point we have something like "{(.*) +0.23/6 ..."
13474 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
13475 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
13476 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
13478 time = -1; sec = -1; deci = -1;
13479 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13480 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13481 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13482 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13486 if( score_lo < 0 || score_lo >= 100 ) {
13490 if(sec >= 0) time = 600*time + 10*sec; else
13491 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13493 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13495 /* [HGM] PV time: now locate end of PV info */
13496 while( *++sep >= '0' && *sep <= '9'); // strip depth
13498 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
13500 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13502 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13503 while(*sep == ' ') sep++;
13514 pvInfoList[index-1].depth = depth;
13515 pvInfoList[index-1].score = score;
13516 pvInfoList[index-1].time = 10*time; // centi-sec
13517 if(*sep == '}') *sep = 0; else *--sep = '{';
13518 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
13524 SendToProgram(message, cps)
13526 ChessProgramState *cps;
13528 int count, outCount, error;
13531 if (cps->pr == NULL) return;
13534 if (appData.debugMode) {
13537 fprintf(debugFP, "%ld >%-6s: %s",
13538 SubtractTimeMarks(&now, &programStartTime),
13539 cps->which, message);
13542 count = strlen(message);
13543 outCount = OutputToProcess(cps->pr, message, count, &error);
13544 if (outCount < count && !exiting
13545 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13546 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), cps->which);
13547 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13548 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13549 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13550 snprintf(buf, MSG_SIZ, "%s program exits in draw position (%s)", cps->which, cps->program);
13552 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13554 gameInfo.resultDetails = StrSave(buf);
13556 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13561 ReceiveFromProgram(isr, closure, message, count, error)
13562 InputSourceRef isr;
13570 ChessProgramState *cps = (ChessProgramState *)closure;
13572 if (isr != cps->isr) return; /* Killed intentionally */
13575 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
13576 cps->which, cps->program);
13577 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13578 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13579 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13580 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13582 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13584 gameInfo.resultDetails = StrSave(buf);
13586 RemoveInputSource(cps->isr);
13587 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13589 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
13590 cps->which, cps->program);
13591 RemoveInputSource(cps->isr);
13593 /* [AS] Program is misbehaving badly... kill it */
13594 if( count == -2 ) {
13595 DestroyChildProcess( cps->pr, 9 );
13599 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13604 if ((end_str = strchr(message, '\r')) != NULL)
13605 *end_str = NULLCHAR;
13606 if ((end_str = strchr(message, '\n')) != NULL)
13607 *end_str = NULLCHAR;
13609 if (appData.debugMode) {
13610 TimeMark now; int print = 1;
13611 char *quote = ""; char c; int i;
13613 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13614 char start = message[0];
13615 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13616 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13617 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13618 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13619 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13620 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13621 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13622 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
13623 sscanf(message, "hint: %c", &c)!=1 &&
13624 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13625 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13626 print = (appData.engineComments >= 2);
13628 message[0] = start; // restore original message
13632 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13633 SubtractTimeMarks(&now, &programStartTime), cps->which,
13639 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13640 if (appData.icsEngineAnalyze) {
13641 if (strstr(message, "whisper") != NULL ||
13642 strstr(message, "kibitz") != NULL ||
13643 strstr(message, "tellics") != NULL) return;
13646 HandleMachineMove(message, cps);
13651 SendTimeControl(cps, mps, tc, inc, sd, st)
13652 ChessProgramState *cps;
13653 int mps, inc, sd, st;
13659 if( timeControl_2 > 0 ) {
13660 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13661 tc = timeControl_2;
13664 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13665 inc /= cps->timeOdds;
13666 st /= cps->timeOdds;
13668 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13671 /* Set exact time per move, normally using st command */
13672 if (cps->stKludge) {
13673 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13675 if (seconds == 0) {
13676 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
13678 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
13681 snprintf(buf, MSG_SIZ, "st %d\n", st);
13684 /* Set conventional or incremental time control, using level command */
13685 if (seconds == 0) {
13686 /* Note old gnuchess bug -- minutes:seconds used to not work.
13687 Fixed in later versions, but still avoid :seconds
13688 when seconds is 0. */
13689 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
13691 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
13692 seconds, inc/1000.);
13695 SendToProgram(buf, cps);
13697 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13698 /* Orthogonally, limit search to given depth */
13700 if (cps->sdKludge) {
13701 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
13703 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
13705 SendToProgram(buf, cps);
13708 if(cps->nps > 0) { /* [HGM] nps */
13709 if(cps->supportsNPS == FALSE)
13710 cps->nps = -1; // don't use if engine explicitly says not supported!
13712 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
13713 SendToProgram(buf, cps);
13718 ChessProgramState *WhitePlayer()
13719 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13721 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13722 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13728 SendTimeRemaining(cps, machineWhite)
13729 ChessProgramState *cps;
13730 int /*boolean*/ machineWhite;
13732 char message[MSG_SIZ];
13735 /* Note: this routine must be called when the clocks are stopped
13736 or when they have *just* been set or switched; otherwise
13737 it will be off by the time since the current tick started.
13739 if (machineWhite) {
13740 time = whiteTimeRemaining / 10;
13741 otime = blackTimeRemaining / 10;
13743 time = blackTimeRemaining / 10;
13744 otime = whiteTimeRemaining / 10;
13746 /* [HGM] translate opponent's time by time-odds factor */
13747 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13748 if (appData.debugMode) {
13749 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13752 if (time <= 0) time = 1;
13753 if (otime <= 0) otime = 1;
13755 snprintf(message, MSG_SIZ, "time %ld\n", time);
13756 SendToProgram(message, cps);
13758 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
13759 SendToProgram(message, cps);
13763 BoolFeature(p, name, loc, cps)
13767 ChessProgramState *cps;
13770 int len = strlen(name);
13773 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13775 sscanf(*p, "%d", &val);
13777 while (**p && **p != ' ')
13779 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13780 SendToProgram(buf, cps);
13787 IntFeature(p, name, loc, cps)
13791 ChessProgramState *cps;
13794 int len = strlen(name);
13795 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13797 sscanf(*p, "%d", loc);
13798 while (**p && **p != ' ') (*p)++;
13799 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13800 SendToProgram(buf, cps);
13807 StringFeature(p, name, loc, cps)
13811 ChessProgramState *cps;
13814 int len = strlen(name);
13815 if (strncmp((*p), name, len) == 0
13816 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13818 sscanf(*p, "%[^\"]", loc);
13819 while (**p && **p != '\"') (*p)++;
13820 if (**p == '\"') (*p)++;
13821 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13822 SendToProgram(buf, cps);
13829 ParseOption(Option *opt, ChessProgramState *cps)
13830 // [HGM] options: process the string that defines an engine option, and determine
13831 // name, type, default value, and allowed value range
13833 char *p, *q, buf[MSG_SIZ];
13834 int n, min = (-1)<<31, max = 1<<31, def;
13836 if(p = strstr(opt->name, " -spin ")) {
13837 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13838 if(max < min) max = min; // enforce consistency
13839 if(def < min) def = min;
13840 if(def > max) def = max;
13845 } else if((p = strstr(opt->name, " -slider "))) {
13846 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13847 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13848 if(max < min) max = min; // enforce consistency
13849 if(def < min) def = min;
13850 if(def > max) def = max;
13854 opt->type = Spin; // Slider;
13855 } else if((p = strstr(opt->name, " -string "))) {
13856 opt->textValue = p+9;
13857 opt->type = TextBox;
13858 } else if((p = strstr(opt->name, " -file "))) {
13859 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13860 opt->textValue = p+7;
13861 opt->type = TextBox; // FileName;
13862 } else if((p = strstr(opt->name, " -path "))) {
13863 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13864 opt->textValue = p+7;
13865 opt->type = TextBox; // PathName;
13866 } else if(p = strstr(opt->name, " -check ")) {
13867 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13868 opt->value = (def != 0);
13869 opt->type = CheckBox;
13870 } else if(p = strstr(opt->name, " -combo ")) {
13871 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13872 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13873 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13874 opt->value = n = 0;
13875 while(q = StrStr(q, " /// ")) {
13876 n++; *q = 0; // count choices, and null-terminate each of them
13878 if(*q == '*') { // remember default, which is marked with * prefix
13882 cps->comboList[cps->comboCnt++] = q;
13884 cps->comboList[cps->comboCnt++] = NULL;
13886 opt->type = ComboBox;
13887 } else if(p = strstr(opt->name, " -button")) {
13888 opt->type = Button;
13889 } else if(p = strstr(opt->name, " -save")) {
13890 opt->type = SaveButton;
13891 } else return FALSE;
13892 *p = 0; // terminate option name
13893 // now look if the command-line options define a setting for this engine option.
13894 if(cps->optionSettings && cps->optionSettings[0])
13895 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13896 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13897 snprintf(buf, MSG_SIZ, "option %s", p);
13898 if(p = strstr(buf, ",")) *p = 0;
13899 if(q = strchr(buf, '=')) switch(opt->type) {
13901 for(n=0; n<opt->max; n++)
13902 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
13905 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
13909 opt->value = atoi(q+1);
13914 SendToProgram(buf, cps);
13920 FeatureDone(cps, val)
13921 ChessProgramState* cps;
13924 DelayedEventCallback cb = GetDelayedEvent();
13925 if ((cb == InitBackEnd3 && cps == &first) ||
13926 (cb == SettingsMenuIfReady && cps == &second) ||
13927 (cb == TwoMachinesEventIfReady && cps == &second)) {
13928 CancelDelayedEvent();
13929 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13931 cps->initDone = val;
13934 /* Parse feature command from engine */
13936 ParseFeatures(args, cps)
13938 ChessProgramState *cps;
13946 while (*p == ' ') p++;
13947 if (*p == NULLCHAR) return;
13949 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13950 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13951 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13952 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13953 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13954 if (BoolFeature(&p, "reuse", &val, cps)) {
13955 /* Engine can disable reuse, but can't enable it if user said no */
13956 if (!val) cps->reuse = FALSE;
13959 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13960 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13961 if (gameMode == TwoMachinesPlay) {
13962 DisplayTwoMachinesTitle();
13968 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13969 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13970 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13971 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13972 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13973 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13974 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13975 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13976 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13977 if (IntFeature(&p, "done", &val, cps)) {
13978 FeatureDone(cps, val);
13981 /* Added by Tord: */
13982 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13983 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13984 /* End of additions by Tord */
13986 /* [HGM] added features: */
13987 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13988 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13989 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13990 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13991 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13992 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13993 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13994 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13995 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13996 SendToProgram(buf, cps);
13999 if(cps->nrOptions >= MAX_OPTIONS) {
14001 snprintf(buf, MSG_SIZ, "%s engine has too many options\n", cps->which);
14002 DisplayError(buf, 0);
14006 /* End of additions by HGM */
14008 /* unknown feature: complain and skip */
14010 while (*q && *q != '=') q++;
14011 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
14012 SendToProgram(buf, cps);
14018 while (*p && *p != '\"') p++;
14019 if (*p == '\"') p++;
14021 while (*p && *p != ' ') p++;
14029 PeriodicUpdatesEvent(newState)
14032 if (newState == appData.periodicUpdates)
14035 appData.periodicUpdates=newState;
14037 /* Display type changes, so update it now */
14038 // DisplayAnalysis();
14040 /* Get the ball rolling again... */
14042 AnalysisPeriodicEvent(1);
14043 StartAnalysisClock();
14048 PonderNextMoveEvent(newState)
14051 if (newState == appData.ponderNextMove) return;
14052 if (gameMode == EditPosition) EditPositionDone(TRUE);
14054 SendToProgram("hard\n", &first);
14055 if (gameMode == TwoMachinesPlay) {
14056 SendToProgram("hard\n", &second);
14059 SendToProgram("easy\n", &first);
14060 thinkOutput[0] = NULLCHAR;
14061 if (gameMode == TwoMachinesPlay) {
14062 SendToProgram("easy\n", &second);
14065 appData.ponderNextMove = newState;
14069 NewSettingEvent(option, feature, command, value)
14071 int option, value, *feature;
14075 if (gameMode == EditPosition) EditPositionDone(TRUE);
14076 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
14077 if(feature == NULL || *feature) SendToProgram(buf, &first);
14078 if (gameMode == TwoMachinesPlay) {
14079 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
14084 ShowThinkingEvent()
14085 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
14087 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
14088 int newState = appData.showThinking
14089 // [HGM] thinking: other features now need thinking output as well
14090 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
14092 if (oldState == newState) return;
14093 oldState = newState;
14094 if (gameMode == EditPosition) EditPositionDone(TRUE);
14096 SendToProgram("post\n", &first);
14097 if (gameMode == TwoMachinesPlay) {
14098 SendToProgram("post\n", &second);
14101 SendToProgram("nopost\n", &first);
14102 thinkOutput[0] = NULLCHAR;
14103 if (gameMode == TwoMachinesPlay) {
14104 SendToProgram("nopost\n", &second);
14107 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
14111 AskQuestionEvent(title, question, replyPrefix, which)
14112 char *title; char *question; char *replyPrefix; char *which;
14114 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
14115 if (pr == NoProc) return;
14116 AskQuestion(title, question, replyPrefix, pr);
14120 DisplayMove(moveNumber)
14123 char message[MSG_SIZ];
14125 char cpThinkOutput[MSG_SIZ];
14127 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
14129 if (moveNumber == forwardMostMove - 1 ||
14130 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14132 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
14134 if (strchr(cpThinkOutput, '\n')) {
14135 *strchr(cpThinkOutput, '\n') = NULLCHAR;
14138 *cpThinkOutput = NULLCHAR;
14141 /* [AS] Hide thinking from human user */
14142 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
14143 *cpThinkOutput = NULLCHAR;
14144 if( thinkOutput[0] != NULLCHAR ) {
14147 for( i=0; i<=hiddenThinkOutputState; i++ ) {
14148 cpThinkOutput[i] = '.';
14150 cpThinkOutput[i] = NULLCHAR;
14151 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14155 if (moveNumber == forwardMostMove - 1 &&
14156 gameInfo.resultDetails != NULL) {
14157 if (gameInfo.resultDetails[0] == NULLCHAR) {
14158 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
14160 snprintf(res, MSG_SIZ, " {%s} %s",
14161 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
14167 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14168 DisplayMessage(res, cpThinkOutput);
14170 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
14171 WhiteOnMove(moveNumber) ? " " : ".. ",
14172 parseList[moveNumber], res);
14173 DisplayMessage(message, cpThinkOutput);
14178 DisplayComment(moveNumber, text)
14182 char title[MSG_SIZ];
14183 char buf[8000]; // comment can be long!
14186 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14187 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
14189 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
14190 WhiteOnMove(moveNumber) ? " " : ".. ",
14191 parseList[moveNumber]);
14193 // [HGM] PV info: display PV info together with (or as) comment
14194 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14195 if(text == NULL) text = "";
14196 score = pvInfoList[moveNumber].score;
14197 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14198 depth, (pvInfoList[moveNumber].time+50)/100, text);
14201 if (text != NULL && (appData.autoDisplayComment || commentUp))
14202 CommentPopUp(title, text);
14205 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14206 * might be busy thinking or pondering. It can be omitted if your
14207 * gnuchess is configured to stop thinking immediately on any user
14208 * input. However, that gnuchess feature depends on the FIONREAD
14209 * ioctl, which does not work properly on some flavors of Unix.
14213 ChessProgramState *cps;
14216 if (!cps->useSigint) return;
14217 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14218 switch (gameMode) {
14219 case MachinePlaysWhite:
14220 case MachinePlaysBlack:
14221 case TwoMachinesPlay:
14222 case IcsPlayingWhite:
14223 case IcsPlayingBlack:
14226 /* Skip if we know it isn't thinking */
14227 if (!cps->maybeThinking) return;
14228 if (appData.debugMode)
14229 fprintf(debugFP, "Interrupting %s\n", cps->which);
14230 InterruptChildProcess(cps->pr);
14231 cps->maybeThinking = FALSE;
14236 #endif /*ATTENTION*/
14242 if (whiteTimeRemaining <= 0) {
14245 if (appData.icsActive) {
14246 if (appData.autoCallFlag &&
14247 gameMode == IcsPlayingBlack && !blackFlag) {
14248 SendToICS(ics_prefix);
14249 SendToICS("flag\n");
14253 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14255 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14256 if (appData.autoCallFlag) {
14257 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14264 if (blackTimeRemaining <= 0) {
14267 if (appData.icsActive) {
14268 if (appData.autoCallFlag &&
14269 gameMode == IcsPlayingWhite && !whiteFlag) {
14270 SendToICS(ics_prefix);
14271 SendToICS("flag\n");
14275 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14277 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14278 if (appData.autoCallFlag) {
14279 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14292 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14293 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14296 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14298 if ( !WhiteOnMove(forwardMostMove) ) {
14299 /* White made time control */
14300 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
14301 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
14302 /* [HGM] time odds: correct new time quota for time odds! */
14303 / WhitePlayer()->timeOdds;
14304 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
14306 lastBlack -= blackTimeRemaining;
14307 /* Black made time control */
14308 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
14309 / WhitePlayer()->other->timeOdds;
14310 lastWhite = whiteTimeRemaining;
14315 DisplayBothClocks()
14317 int wom = gameMode == EditPosition ?
14318 !blackPlaysFirst : WhiteOnMove(currentMove);
14319 DisplayWhiteClock(whiteTimeRemaining, wom);
14320 DisplayBlackClock(blackTimeRemaining, !wom);
14324 /* Timekeeping seems to be a portability nightmare. I think everyone
14325 has ftime(), but I'm really not sure, so I'm including some ifdefs
14326 to use other calls if you don't. Clocks will be less accurate if
14327 you have neither ftime nor gettimeofday.
14330 /* VS 2008 requires the #include outside of the function */
14331 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14332 #include <sys/timeb.h>
14335 /* Get the current time as a TimeMark */
14340 #if HAVE_GETTIMEOFDAY
14342 struct timeval timeVal;
14343 struct timezone timeZone;
14345 gettimeofday(&timeVal, &timeZone);
14346 tm->sec = (long) timeVal.tv_sec;
14347 tm->ms = (int) (timeVal.tv_usec / 1000L);
14349 #else /*!HAVE_GETTIMEOFDAY*/
14352 // include <sys/timeb.h> / moved to just above start of function
14353 struct timeb timeB;
14356 tm->sec = (long) timeB.time;
14357 tm->ms = (int) timeB.millitm;
14359 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14360 tm->sec = (long) time(NULL);
14366 /* Return the difference in milliseconds between two
14367 time marks. We assume the difference will fit in a long!
14370 SubtractTimeMarks(tm2, tm1)
14371 TimeMark *tm2, *tm1;
14373 return 1000L*(tm2->sec - tm1->sec) +
14374 (long) (tm2->ms - tm1->ms);
14379 * Code to manage the game clocks.
14381 * In tournament play, black starts the clock and then white makes a move.
14382 * We give the human user a slight advantage if he is playing white---the
14383 * clocks don't run until he makes his first move, so it takes zero time.
14384 * Also, we don't account for network lag, so we could get out of sync
14385 * with GNU Chess's clock -- but then, referees are always right.
14388 static TimeMark tickStartTM;
14389 static long intendedTickLength;
14392 NextTickLength(timeRemaining)
14393 long timeRemaining;
14395 long nominalTickLength, nextTickLength;
14397 if (timeRemaining > 0L && timeRemaining <= 10000L)
14398 nominalTickLength = 100L;
14400 nominalTickLength = 1000L;
14401 nextTickLength = timeRemaining % nominalTickLength;
14402 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14404 return nextTickLength;
14407 /* Adjust clock one minute up or down */
14409 AdjustClock(Boolean which, int dir)
14411 if(which) blackTimeRemaining += 60000*dir;
14412 else whiteTimeRemaining += 60000*dir;
14413 DisplayBothClocks();
14416 /* Stop clocks and reset to a fresh time control */
14420 (void) StopClockTimer();
14421 if (appData.icsActive) {
14422 whiteTimeRemaining = blackTimeRemaining = 0;
14423 } else if (searchTime) {
14424 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14425 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14426 } else { /* [HGM] correct new time quote for time odds */
14427 whiteTC = blackTC = fullTimeControlString;
14428 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
14429 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
14431 if (whiteFlag || blackFlag) {
14433 whiteFlag = blackFlag = FALSE;
14435 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
14436 DisplayBothClocks();
14439 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14441 /* Decrement running clock by amount of time that has passed */
14445 long timeRemaining;
14446 long lastTickLength, fudge;
14449 if (!appData.clockMode) return;
14450 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14454 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14456 /* Fudge if we woke up a little too soon */
14457 fudge = intendedTickLength - lastTickLength;
14458 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14460 if (WhiteOnMove(forwardMostMove)) {
14461 if(whiteNPS >= 0) lastTickLength = 0;
14462 timeRemaining = whiteTimeRemaining -= lastTickLength;
14463 if(timeRemaining < 0 && !appData.icsActive) {
14464 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
14465 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
14466 whiteStartMove = forwardMostMove; whiteTC = nextSession;
14467 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
14470 DisplayWhiteClock(whiteTimeRemaining - fudge,
14471 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14473 if(blackNPS >= 0) lastTickLength = 0;
14474 timeRemaining = blackTimeRemaining -= lastTickLength;
14475 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
14476 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
14478 blackStartMove = forwardMostMove;
14479 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
14482 DisplayBlackClock(blackTimeRemaining - fudge,
14483 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14485 if (CheckFlags()) return;
14488 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14489 StartClockTimer(intendedTickLength);
14491 /* if the time remaining has fallen below the alarm threshold, sound the
14492 * alarm. if the alarm has sounded and (due to a takeback or time control
14493 * with increment) the time remaining has increased to a level above the
14494 * threshold, reset the alarm so it can sound again.
14497 if (appData.icsActive && appData.icsAlarm) {
14499 /* make sure we are dealing with the user's clock */
14500 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14501 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14504 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14505 alarmSounded = FALSE;
14506 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14508 alarmSounded = TRUE;
14514 /* A player has just moved, so stop the previously running
14515 clock and (if in clock mode) start the other one.
14516 We redisplay both clocks in case we're in ICS mode, because
14517 ICS gives us an update to both clocks after every move.
14518 Note that this routine is called *after* forwardMostMove
14519 is updated, so the last fractional tick must be subtracted
14520 from the color that is *not* on move now.
14523 SwitchClocks(int newMoveNr)
14525 long lastTickLength;
14527 int flagged = FALSE;
14531 if (StopClockTimer() && appData.clockMode) {
14532 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14533 if (!WhiteOnMove(forwardMostMove)) {
14534 if(blackNPS >= 0) lastTickLength = 0;
14535 blackTimeRemaining -= lastTickLength;
14536 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14537 // if(pvInfoList[forwardMostMove-1].time == -1)
14538 pvInfoList[forwardMostMove-1].time = // use GUI time
14539 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14541 if(whiteNPS >= 0) lastTickLength = 0;
14542 whiteTimeRemaining -= lastTickLength;
14543 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14544 // if(pvInfoList[forwardMostMove-1].time == -1)
14545 pvInfoList[forwardMostMove-1].time =
14546 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14548 flagged = CheckFlags();
14550 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14551 CheckTimeControl();
14553 if (flagged || !appData.clockMode) return;
14555 switch (gameMode) {
14556 case MachinePlaysBlack:
14557 case MachinePlaysWhite:
14558 case BeginningOfGame:
14559 if (pausing) return;
14563 case PlayFromGameFile:
14571 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14572 if(WhiteOnMove(forwardMostMove))
14573 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14574 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14578 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14579 whiteTimeRemaining : blackTimeRemaining);
14580 StartClockTimer(intendedTickLength);
14584 /* Stop both clocks */
14588 long lastTickLength;
14591 if (!StopClockTimer()) return;
14592 if (!appData.clockMode) return;
14596 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14597 if (WhiteOnMove(forwardMostMove)) {
14598 if(whiteNPS >= 0) lastTickLength = 0;
14599 whiteTimeRemaining -= lastTickLength;
14600 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14602 if(blackNPS >= 0) lastTickLength = 0;
14603 blackTimeRemaining -= lastTickLength;
14604 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14609 /* Start clock of player on move. Time may have been reset, so
14610 if clock is already running, stop and restart it. */
14614 (void) StopClockTimer(); /* in case it was running already */
14615 DisplayBothClocks();
14616 if (CheckFlags()) return;
14618 if (!appData.clockMode) return;
14619 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14621 GetTimeMark(&tickStartTM);
14622 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14623 whiteTimeRemaining : blackTimeRemaining);
14625 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14626 whiteNPS = blackNPS = -1;
14627 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14628 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14629 whiteNPS = first.nps;
14630 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14631 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14632 blackNPS = first.nps;
14633 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14634 whiteNPS = second.nps;
14635 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14636 blackNPS = second.nps;
14637 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14639 StartClockTimer(intendedTickLength);
14646 long second, minute, hour, day;
14648 static char buf[32];
14650 if (ms > 0 && ms <= 9900) {
14651 /* convert milliseconds to tenths, rounding up */
14652 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14654 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
14658 /* convert milliseconds to seconds, rounding up */
14659 /* use floating point to avoid strangeness of integer division
14660 with negative dividends on many machines */
14661 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14668 day = second / (60 * 60 * 24);
14669 second = second % (60 * 60 * 24);
14670 hour = second / (60 * 60);
14671 second = second % (60 * 60);
14672 minute = second / 60;
14673 second = second % 60;
14676 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
14677 sign, day, hour, minute, second);
14679 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14681 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
14688 * This is necessary because some C libraries aren't ANSI C compliant yet.
14691 StrStr(string, match)
14692 char *string, *match;
14696 length = strlen(match);
14698 for (i = strlen(string) - length; i >= 0; i--, string++)
14699 if (!strncmp(match, string, length))
14706 StrCaseStr(string, match)
14707 char *string, *match;
14711 length = strlen(match);
14713 for (i = strlen(string) - length; i >= 0; i--, string++) {
14714 for (j = 0; j < length; j++) {
14715 if (ToLower(match[j]) != ToLower(string[j]))
14718 if (j == length) return string;
14732 c1 = ToLower(*s1++);
14733 c2 = ToLower(*s2++);
14734 if (c1 > c2) return 1;
14735 if (c1 < c2) return -1;
14736 if (c1 == NULLCHAR) return 0;
14745 return isupper(c) ? tolower(c) : c;
14753 return islower(c) ? toupper(c) : c;
14755 #endif /* !_amigados */
14763 if ((ret = (char *) malloc(strlen(s) + 1)))
14765 safeStrCpy(ret, s, strlen(s)+1);
14771 StrSavePtr(s, savePtr)
14772 char *s, **savePtr;
14777 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14778 safeStrCpy(*savePtr, s, strlen(s)+1);
14790 clock = time((time_t *)NULL);
14791 tm = localtime(&clock);
14792 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
14793 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14794 return StrSave(buf);
14799 PositionToFEN(move, overrideCastling)
14801 char *overrideCastling;
14803 int i, j, fromX, fromY, toX, toY;
14810 whiteToPlay = (gameMode == EditPosition) ?
14811 !blackPlaysFirst : (move % 2 == 0);
14814 /* Piece placement data */
14815 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14817 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14818 if (boards[move][i][j] == EmptySquare) {
14820 } else { ChessSquare piece = boards[move][i][j];
14821 if (emptycount > 0) {
14822 if(emptycount<10) /* [HGM] can be >= 10 */
14823 *p++ = '0' + emptycount;
14824 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14827 if(PieceToChar(piece) == '+') {
14828 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14830 piece = (ChessSquare)(DEMOTED piece);
14832 *p++ = PieceToChar(piece);
14834 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14835 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14840 if (emptycount > 0) {
14841 if(emptycount<10) /* [HGM] can be >= 10 */
14842 *p++ = '0' + emptycount;
14843 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14850 /* [HGM] print Crazyhouse or Shogi holdings */
14851 if( gameInfo.holdingsWidth ) {
14852 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14854 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14855 piece = boards[move][i][BOARD_WIDTH-1];
14856 if( piece != EmptySquare )
14857 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14858 *p++ = PieceToChar(piece);
14860 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14861 piece = boards[move][BOARD_HEIGHT-i-1][0];
14862 if( piece != EmptySquare )
14863 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14864 *p++ = PieceToChar(piece);
14867 if( q == p ) *p++ = '-';
14873 *p++ = whiteToPlay ? 'w' : 'b';
14876 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14877 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14879 if(nrCastlingRights) {
14881 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14882 /* [HGM] write directly from rights */
14883 if(boards[move][CASTLING][2] != NoRights &&
14884 boards[move][CASTLING][0] != NoRights )
14885 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14886 if(boards[move][CASTLING][2] != NoRights &&
14887 boards[move][CASTLING][1] != NoRights )
14888 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14889 if(boards[move][CASTLING][5] != NoRights &&
14890 boards[move][CASTLING][3] != NoRights )
14891 *p++ = boards[move][CASTLING][3] + AAA;
14892 if(boards[move][CASTLING][5] != NoRights &&
14893 boards[move][CASTLING][4] != NoRights )
14894 *p++ = boards[move][CASTLING][4] + AAA;
14897 /* [HGM] write true castling rights */
14898 if( nrCastlingRights == 6 ) {
14899 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14900 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14901 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14902 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14903 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14904 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14905 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14906 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14909 if (q == p) *p++ = '-'; /* No castling rights */
14913 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14914 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14915 /* En passant target square */
14916 if (move > backwardMostMove) {
14917 fromX = moveList[move - 1][0] - AAA;
14918 fromY = moveList[move - 1][1] - ONE;
14919 toX = moveList[move - 1][2] - AAA;
14920 toY = moveList[move - 1][3] - ONE;
14921 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14922 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14923 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14925 /* 2-square pawn move just happened */
14927 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14931 } else if(move == backwardMostMove) {
14932 // [HGM] perhaps we should always do it like this, and forget the above?
14933 if((signed char)boards[move][EP_STATUS] >= 0) {
14934 *p++ = boards[move][EP_STATUS] + AAA;
14935 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14946 /* [HGM] find reversible plies */
14947 { int i = 0, j=move;
14949 if (appData.debugMode) { int k;
14950 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14951 for(k=backwardMostMove; k<=forwardMostMove; k++)
14952 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14956 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14957 if( j == backwardMostMove ) i += initialRulePlies;
14958 sprintf(p, "%d ", i);
14959 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14961 /* Fullmove number */
14962 sprintf(p, "%d", (move / 2) + 1);
14964 return StrSave(buf);
14968 ParseFEN(board, blackPlaysFirst, fen)
14970 int *blackPlaysFirst;
14980 /* [HGM] by default clear Crazyhouse holdings, if present */
14981 if(gameInfo.holdingsWidth) {
14982 for(i=0; i<BOARD_HEIGHT; i++) {
14983 board[i][0] = EmptySquare; /* black holdings */
14984 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14985 board[i][1] = (ChessSquare) 0; /* black counts */
14986 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14990 /* Piece placement data */
14991 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14994 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14995 if (*p == '/') p++;
14996 emptycount = gameInfo.boardWidth - j;
14997 while (emptycount--)
14998 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15000 #if(BOARD_FILES >= 10)
15001 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
15002 p++; emptycount=10;
15003 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15004 while (emptycount--)
15005 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15007 } else if (isdigit(*p)) {
15008 emptycount = *p++ - '0';
15009 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
15010 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15011 while (emptycount--)
15012 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15013 } else if (*p == '+' || isalpha(*p)) {
15014 if (j >= gameInfo.boardWidth) return FALSE;
15016 piece = CharToPiece(*++p);
15017 if(piece == EmptySquare) return FALSE; /* unknown piece */
15018 piece = (ChessSquare) (PROMOTED piece ); p++;
15019 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
15020 } else piece = CharToPiece(*p++);
15022 if(piece==EmptySquare) return FALSE; /* unknown piece */
15023 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
15024 piece = (ChessSquare) (PROMOTED piece);
15025 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
15028 board[i][(j++)+gameInfo.holdingsWidth] = piece;
15034 while (*p == '/' || *p == ' ') p++;
15036 /* [HGM] look for Crazyhouse holdings here */
15037 while(*p==' ') p++;
15038 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
15040 if(*p == '-' ) p++; /* empty holdings */ else {
15041 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
15042 /* if we would allow FEN reading to set board size, we would */
15043 /* have to add holdings and shift the board read so far here */
15044 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
15046 if((int) piece >= (int) BlackPawn ) {
15047 i = (int)piece - (int)BlackPawn;
15048 i = PieceToNumber((ChessSquare)i);
15049 if( i >= gameInfo.holdingsSize ) return FALSE;
15050 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
15051 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
15053 i = (int)piece - (int)WhitePawn;
15054 i = PieceToNumber((ChessSquare)i);
15055 if( i >= gameInfo.holdingsSize ) return FALSE;
15056 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
15057 board[i][BOARD_WIDTH-2]++; /* black holdings */
15064 while(*p == ' ') p++;
15068 if(appData.colorNickNames) {
15069 if( c == appData.colorNickNames[0] ) c = 'w'; else
15070 if( c == appData.colorNickNames[1] ) c = 'b';
15074 *blackPlaysFirst = FALSE;
15077 *blackPlaysFirst = TRUE;
15083 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
15084 /* return the extra info in global variiables */
15086 /* set defaults in case FEN is incomplete */
15087 board[EP_STATUS] = EP_UNKNOWN;
15088 for(i=0; i<nrCastlingRights; i++ ) {
15089 board[CASTLING][i] =
15090 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
15091 } /* assume possible unless obviously impossible */
15092 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
15093 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
15094 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
15095 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
15096 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
15097 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
15098 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
15099 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
15102 while(*p==' ') p++;
15103 if(nrCastlingRights) {
15104 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
15105 /* castling indicator present, so default becomes no castlings */
15106 for(i=0; i<nrCastlingRights; i++ ) {
15107 board[CASTLING][i] = NoRights;
15110 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
15111 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
15112 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
15113 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
15114 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
15116 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
15117 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
15118 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
15120 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
15121 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
15122 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
15123 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
15124 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
15125 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
15128 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
15129 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
15130 board[CASTLING][2] = whiteKingFile;
15133 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
15134 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
15135 board[CASTLING][2] = whiteKingFile;
15138 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
15139 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
15140 board[CASTLING][5] = blackKingFile;
15143 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
15144 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
15145 board[CASTLING][5] = blackKingFile;
15148 default: /* FRC castlings */
15149 if(c >= 'a') { /* black rights */
15150 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15151 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
15152 if(i == BOARD_RGHT) break;
15153 board[CASTLING][5] = i;
15155 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
15156 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
15158 board[CASTLING][3] = c;
15160 board[CASTLING][4] = c;
15161 } else { /* white rights */
15162 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15163 if(board[0][i] == WhiteKing) break;
15164 if(i == BOARD_RGHT) break;
15165 board[CASTLING][2] = i;
15166 c -= AAA - 'a' + 'A';
15167 if(board[0][c] >= WhiteKing) break;
15169 board[CASTLING][0] = c;
15171 board[CASTLING][1] = c;
15175 for(i=0; i<nrCastlingRights; i++)
15176 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15177 if (appData.debugMode) {
15178 fprintf(debugFP, "FEN castling rights:");
15179 for(i=0; i<nrCastlingRights; i++)
15180 fprintf(debugFP, " %d", board[CASTLING][i]);
15181 fprintf(debugFP, "\n");
15184 while(*p==' ') p++;
15187 /* read e.p. field in games that know e.p. capture */
15188 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15189 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15191 p++; board[EP_STATUS] = EP_NONE;
15193 char c = *p++ - AAA;
15195 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
15196 if(*p >= '0' && *p <='9') p++;
15197 board[EP_STATUS] = c;
15202 if(sscanf(p, "%d", &i) == 1) {
15203 FENrulePlies = i; /* 50-move ply counter */
15204 /* (The move number is still ignored) */
15211 EditPositionPasteFEN(char *fen)
15214 Board initial_position;
15216 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15217 DisplayError(_("Bad FEN position in clipboard"), 0);
15220 int savedBlackPlaysFirst = blackPlaysFirst;
15221 EditPositionEvent();
15222 blackPlaysFirst = savedBlackPlaysFirst;
15223 CopyBoard(boards[0], initial_position);
15224 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15225 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15226 DisplayBothClocks();
15227 DrawPosition(FALSE, boards[currentMove]);
15232 static char cseq[12] = "\\ ";
15234 Boolean set_cont_sequence(char *new_seq)
15239 // handle bad attempts to set the sequence
15241 return 0; // acceptable error - no debug
15243 len = strlen(new_seq);
15244 ret = (len > 0) && (len < sizeof(cseq));
15246 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
15247 else if (appData.debugMode)
15248 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15253 reformat a source message so words don't cross the width boundary. internal
15254 newlines are not removed. returns the wrapped size (no null character unless
15255 included in source message). If dest is NULL, only calculate the size required
15256 for the dest buffer. lp argument indicats line position upon entry, and it's
15257 passed back upon exit.
15259 int wrap(char *dest, char *src, int count, int width, int *lp)
15261 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15263 cseq_len = strlen(cseq);
15264 old_line = line = *lp;
15265 ansi = len = clen = 0;
15267 for (i=0; i < count; i++)
15269 if (src[i] == '\033')
15272 // if we hit the width, back up
15273 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15275 // store i & len in case the word is too long
15276 old_i = i, old_len = len;
15278 // find the end of the last word
15279 while (i && src[i] != ' ' && src[i] != '\n')
15285 // word too long? restore i & len before splitting it
15286 if ((old_i-i+clen) >= width)
15293 if (i && src[i-1] == ' ')
15296 if (src[i] != ' ' && src[i] != '\n')
15303 // now append the newline and continuation sequence
15308 strncpy(dest+len, cseq, cseq_len);
15316 dest[len] = src[i];
15320 if (src[i] == '\n')
15325 if (dest && appData.debugMode)
15327 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15328 count, width, line, len, *lp);
15329 show_bytes(debugFP, src, count);
15330 fprintf(debugFP, "\ndest: ");
15331 show_bytes(debugFP, dest, len);
15332 fprintf(debugFP, "\n");
15334 *lp = dest ? line : old_line;
15339 // [HGM] vari: routines for shelving variations
15342 PushTail(int firstMove, int lastMove)
15344 int i, j, nrMoves = lastMove - firstMove;
15346 if(appData.icsActive) { // only in local mode
15347 forwardMostMove = currentMove; // mimic old ICS behavior
15350 if(storedGames >= MAX_VARIATIONS-1) return;
15352 // push current tail of game on stack
15353 savedResult[storedGames] = gameInfo.result;
15354 savedDetails[storedGames] = gameInfo.resultDetails;
15355 gameInfo.resultDetails = NULL;
15356 savedFirst[storedGames] = firstMove;
15357 savedLast [storedGames] = lastMove;
15358 savedFramePtr[storedGames] = framePtr;
15359 framePtr -= nrMoves; // reserve space for the boards
15360 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15361 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15362 for(j=0; j<MOVE_LEN; j++)
15363 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15364 for(j=0; j<2*MOVE_LEN; j++)
15365 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15366 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15367 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15368 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15369 pvInfoList[firstMove+i-1].depth = 0;
15370 commentList[framePtr+i] = commentList[firstMove+i];
15371 commentList[firstMove+i] = NULL;
15375 forwardMostMove = firstMove; // truncate game so we can start variation
15376 if(storedGames == 1) GreyRevert(FALSE);
15380 PopTail(Boolean annotate)
15383 char buf[8000], moveBuf[20];
15385 if(appData.icsActive) return FALSE; // only in local mode
15386 if(!storedGames) return FALSE; // sanity
15387 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15390 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15391 nrMoves = savedLast[storedGames] - currentMove;
15394 if(!WhiteOnMove(currentMove))
15395 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
15396 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
15397 for(i=currentMove; i<forwardMostMove; i++) {
15399 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
15400 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
15401 strcat(buf, moveBuf);
15402 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15403 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15407 for(i=1; i<=nrMoves; i++) { // copy last variation back
15408 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15409 for(j=0; j<MOVE_LEN; j++)
15410 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15411 for(j=0; j<2*MOVE_LEN; j++)
15412 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15413 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15414 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15415 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15416 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15417 commentList[currentMove+i] = commentList[framePtr+i];
15418 commentList[framePtr+i] = NULL;
15420 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15421 framePtr = savedFramePtr[storedGames];
15422 gameInfo.result = savedResult[storedGames];
15423 if(gameInfo.resultDetails != NULL) {
15424 free(gameInfo.resultDetails);
15426 gameInfo.resultDetails = savedDetails[storedGames];
15427 forwardMostMove = currentMove + nrMoves;
15428 if(storedGames == 0) GreyRevert(TRUE);
15434 { // remove all shelved variations
15436 for(i=0; i<storedGames; i++) {
15437 if(savedDetails[i])
15438 free(savedDetails[i]);
15439 savedDetails[i] = NULL;
15441 for(i=framePtr; i<MAX_MOVES; i++) {
15442 if(commentList[i]) free(commentList[i]);
15443 commentList[i] = NULL;
15445 framePtr = MAX_MOVES-1;
15450 LoadVariation(int index, char *text)
15451 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15452 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15453 int level = 0, move;
15455 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15456 // first find outermost bracketing variation
15457 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15458 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15459 if(*p == '{') wait = '}'; else
15460 if(*p == '[') wait = ']'; else
15461 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15462 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15464 if(*p == wait) wait = NULLCHAR; // closing ]} found
15467 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15468 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15469 end[1] = NULLCHAR; // clip off comment beyond variation
15470 ToNrEvent(currentMove-1);
15471 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15472 // kludge: use ParsePV() to append variation to game
15473 move = currentMove;
15474 ParsePV(start, TRUE);
15475 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15476 ClearPremoveHighlights();
15478 ToNrEvent(currentMove+1);