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)) {
7373 DrawPosition(FALSE, boards[currentMove = forwardMostMove-1]);
7374 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7375 return; // [HGM] adjudicate: for all automatic game ends
7379 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7381 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7382 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7384 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7386 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7388 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7389 char buf[3*MSG_SIZ];
7391 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7392 programStats.score / 100.,
7394 programStats.time / 100.,
7395 (unsigned int)programStats.nodes,
7396 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7397 programStats.movelist);
7399 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7404 /* [AS] Clear stats for next move */
7405 ClearProgramStats();
7406 thinkOutput[0] = NULLCHAR;
7407 hiddenThinkOutputState = 0;
7410 if (gameMode == TwoMachinesPlay) {
7411 /* [HGM] relaying draw offers moved to after reception of move */
7412 /* and interpreting offer as claim if it brings draw condition */
7413 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7414 SendToProgram("draw\n", cps->other);
7416 if (cps->other->sendTime) {
7417 SendTimeRemaining(cps->other,
7418 cps->other->twoMachinesColor[0] == 'w');
7420 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7421 if (firstMove && !bookHit) {
7423 if (cps->other->useColors) {
7424 SendToProgram(cps->other->twoMachinesColor, cps->other);
7426 SendToProgram("go\n", cps->other);
7428 cps->other->maybeThinking = TRUE;
7431 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7433 if (!pausing && appData.ringBellAfterMoves) {
7438 * Reenable menu items that were disabled while
7439 * machine was thinking
7441 if (gameMode != TwoMachinesPlay)
7442 SetUserThinkingEnables();
7444 // [HGM] book: after book hit opponent has received move and is now in force mode
7445 // force the book reply into it, and then fake that it outputted this move by jumping
7446 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7448 static char bookMove[MSG_SIZ]; // a bit generous?
7450 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7451 strcat(bookMove, bookHit);
7454 programStats.nodes = programStats.depth = programStats.time =
7455 programStats.score = programStats.got_only_move = 0;
7456 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7458 if(cps->lastPing != cps->lastPong) {
7459 savedMessage = message; // args for deferred call
7461 ScheduleDelayedEvent(DeferredBookMove, 10);
7470 /* Set special modes for chess engines. Later something general
7471 * could be added here; for now there is just one kludge feature,
7472 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7473 * when "xboard" is given as an interactive command.
7475 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7476 cps->useSigint = FALSE;
7477 cps->useSigterm = FALSE;
7479 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7480 ParseFeatures(message+8, cps);
7481 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7484 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
7485 int dummy, s=6; char buf[MSG_SIZ];
7486 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
7487 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
7488 ParseFEN(boards[0], &dummy, message+s);
7489 DrawPosition(TRUE, boards[0]);
7490 startedFromSetupPosition = TRUE;
7493 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7494 * want this, I was asked to put it in, and obliged.
7496 if (!strncmp(message, "setboard ", 9)) {
7497 Board initial_position;
7499 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7501 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7502 DisplayError(_("Bad FEN received from engine"), 0);
7506 CopyBoard(boards[0], initial_position);
7507 initialRulePlies = FENrulePlies;
7508 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7509 else gameMode = MachinePlaysBlack;
7510 DrawPosition(FALSE, boards[currentMove]);
7516 * Look for communication commands
7518 if (!strncmp(message, "telluser ", 9)) {
7519 if(message[9] == '\\' && message[10] == '\\')
7520 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
7521 DisplayNote(message + 9);
7524 if (!strncmp(message, "tellusererror ", 14)) {
7526 if(message[14] == '\\' && message[15] == '\\')
7527 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
7528 DisplayError(message + 14, 0);
7531 if (!strncmp(message, "tellopponent ", 13)) {
7532 if (appData.icsActive) {
7534 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7538 DisplayNote(message + 13);
7542 if (!strncmp(message, "tellothers ", 11)) {
7543 if (appData.icsActive) {
7545 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7551 if (!strncmp(message, "tellall ", 8)) {
7552 if (appData.icsActive) {
7554 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7558 DisplayNote(message + 8);
7562 if (strncmp(message, "warning", 7) == 0) {
7563 /* Undocumented feature, use tellusererror in new code */
7564 DisplayError(message, 0);
7567 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7568 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
7569 strcat(realname, " query");
7570 AskQuestion(realname, buf2, buf1, cps->pr);
7573 /* Commands from the engine directly to ICS. We don't allow these to be
7574 * sent until we are logged on. Crafty kibitzes have been known to
7575 * interfere with the login process.
7578 if (!strncmp(message, "tellics ", 8)) {
7579 SendToICS(message + 8);
7583 if (!strncmp(message, "tellicsnoalias ", 15)) {
7584 SendToICS(ics_prefix);
7585 SendToICS(message + 15);
7589 /* The following are for backward compatibility only */
7590 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7591 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7592 SendToICS(ics_prefix);
7598 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7602 * If the move is illegal, cancel it and redraw the board.
7603 * Also deal with other error cases. Matching is rather loose
7604 * here to accommodate engines written before the spec.
7606 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7607 strncmp(message, "Error", 5) == 0) {
7608 if (StrStr(message, "name") ||
7609 StrStr(message, "rating") || StrStr(message, "?") ||
7610 StrStr(message, "result") || StrStr(message, "board") ||
7611 StrStr(message, "bk") || StrStr(message, "computer") ||
7612 StrStr(message, "variant") || StrStr(message, "hint") ||
7613 StrStr(message, "random") || StrStr(message, "depth") ||
7614 StrStr(message, "accepted")) {
7617 if (StrStr(message, "protover")) {
7618 /* Program is responding to input, so it's apparently done
7619 initializing, and this error message indicates it is
7620 protocol version 1. So we don't need to wait any longer
7621 for it to initialize and send feature commands. */
7622 FeatureDone(cps, 1);
7623 cps->protocolVersion = 1;
7626 cps->maybeThinking = FALSE;
7628 if (StrStr(message, "draw")) {
7629 /* Program doesn't have "draw" command */
7630 cps->sendDrawOffers = 0;
7633 if (cps->sendTime != 1 &&
7634 (StrStr(message, "time") || StrStr(message, "otim"))) {
7635 /* Program apparently doesn't have "time" or "otim" command */
7639 if (StrStr(message, "analyze")) {
7640 cps->analysisSupport = FALSE;
7641 cps->analyzing = FALSE;
7643 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
7644 DisplayError(buf2, 0);
7647 if (StrStr(message, "(no matching move)st")) {
7648 /* Special kludge for GNU Chess 4 only */
7649 cps->stKludge = TRUE;
7650 SendTimeControl(cps, movesPerSession, timeControl,
7651 timeIncrement, appData.searchDepth,
7655 if (StrStr(message, "(no matching move)sd")) {
7656 /* Special kludge for GNU Chess 4 only */
7657 cps->sdKludge = TRUE;
7658 SendTimeControl(cps, movesPerSession, timeControl,
7659 timeIncrement, appData.searchDepth,
7663 if (!StrStr(message, "llegal")) {
7666 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7667 gameMode == IcsIdle) return;
7668 if (forwardMostMove <= backwardMostMove) return;
7669 if (pausing) PauseEvent();
7670 if(appData.forceIllegal) {
7671 // [HGM] illegal: machine refused move; force position after move into it
7672 SendToProgram("force\n", cps);
7673 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7674 // we have a real problem now, as SendBoard will use the a2a3 kludge
7675 // when black is to move, while there might be nothing on a2 or black
7676 // might already have the move. So send the board as if white has the move.
7677 // But first we must change the stm of the engine, as it refused the last move
7678 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7679 if(WhiteOnMove(forwardMostMove)) {
7680 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7681 SendBoard(cps, forwardMostMove); // kludgeless board
7683 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7684 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7685 SendBoard(cps, forwardMostMove+1); // kludgeless board
7687 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7688 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7689 gameMode == TwoMachinesPlay)
7690 SendToProgram("go\n", cps);
7693 if (gameMode == PlayFromGameFile) {
7694 /* Stop reading this game file */
7695 gameMode = EditGame;
7698 /* [HGM] illegal-move claim should forfeit game when Xboard */
7699 /* only passes fully legal moves */
7700 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7701 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7702 "False illegal-move claim", GE_XBOARD );
7703 return; // do not take back move we tested as valid
7705 currentMove = forwardMostMove-1;
7706 DisplayMove(currentMove-1); /* before DisplayMoveError */
7707 SwitchClocks(forwardMostMove-1); // [HGM] race
7708 DisplayBothClocks();
7709 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
7710 parseList[currentMove], cps->which);
7711 DisplayMoveError(buf1);
7712 DrawPosition(FALSE, boards[currentMove]);
7715 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7716 /* Program has a broken "time" command that
7717 outputs a string not ending in newline.
7723 * If chess program startup fails, exit with an error message.
7724 * Attempts to recover here are futile.
7726 if ((StrStr(message, "unknown host") != NULL)
7727 || (StrStr(message, "No remote directory") != NULL)
7728 || (StrStr(message, "not found") != NULL)
7729 || (StrStr(message, "No such file") != NULL)
7730 || (StrStr(message, "can't alloc") != NULL)
7731 || (StrStr(message, "Permission denied") != NULL)) {
7733 cps->maybeThinking = FALSE;
7734 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7735 cps->which, cps->program, cps->host, message);
7736 RemoveInputSource(cps->isr);
7737 DisplayFatalError(buf1, 0, 1);
7742 * Look for hint output
7744 if (sscanf(message, "Hint: %s", buf1) == 1) {
7745 if (cps == &first && hintRequested) {
7746 hintRequested = FALSE;
7747 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7748 &fromX, &fromY, &toX, &toY, &promoChar)) {
7749 (void) CoordsToAlgebraic(boards[forwardMostMove],
7750 PosFlags(forwardMostMove),
7751 fromY, fromX, toY, toX, promoChar, buf1);
7752 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7753 DisplayInformation(buf2);
7755 /* Hint move could not be parsed!? */
7756 snprintf(buf2, sizeof(buf2),
7757 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7759 DisplayError(buf2, 0);
7762 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
7768 * Ignore other messages if game is not in progress
7770 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7771 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7774 * look for win, lose, draw, or draw offer
7776 if (strncmp(message, "1-0", 3) == 0) {
7777 char *p, *q, *r = "";
7778 p = strchr(message, '{');
7786 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7788 } else if (strncmp(message, "0-1", 3) == 0) {
7789 char *p, *q, *r = "";
7790 p = strchr(message, '{');
7798 /* Kludge for Arasan 4.1 bug */
7799 if (strcmp(r, "Black resigns") == 0) {
7800 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7803 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7805 } else if (strncmp(message, "1/2", 3) == 0) {
7806 char *p, *q, *r = "";
7807 p = strchr(message, '{');
7816 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7819 } else if (strncmp(message, "White resign", 12) == 0) {
7820 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7822 } else if (strncmp(message, "Black resign", 12) == 0) {
7823 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7825 } else if (strncmp(message, "White matches", 13) == 0 ||
7826 strncmp(message, "Black matches", 13) == 0 ) {
7827 /* [HGM] ignore GNUShogi noises */
7829 } else if (strncmp(message, "White", 5) == 0 &&
7830 message[5] != '(' &&
7831 StrStr(message, "Black") == NULL) {
7832 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7834 } else if (strncmp(message, "Black", 5) == 0 &&
7835 message[5] != '(') {
7836 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7838 } else if (strcmp(message, "resign") == 0 ||
7839 strcmp(message, "computer resigns") == 0) {
7841 case MachinePlaysBlack:
7842 case IcsPlayingBlack:
7843 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7845 case MachinePlaysWhite:
7846 case IcsPlayingWhite:
7847 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7849 case TwoMachinesPlay:
7850 if (cps->twoMachinesColor[0] == 'w')
7851 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7853 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7860 } else if (strncmp(message, "opponent mates", 14) == 0) {
7862 case MachinePlaysBlack:
7863 case IcsPlayingBlack:
7864 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7866 case MachinePlaysWhite:
7867 case IcsPlayingWhite:
7868 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7870 case TwoMachinesPlay:
7871 if (cps->twoMachinesColor[0] == 'w')
7872 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7874 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7881 } else if (strncmp(message, "computer mates", 14) == 0) {
7883 case MachinePlaysBlack:
7884 case IcsPlayingBlack:
7885 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7887 case MachinePlaysWhite:
7888 case IcsPlayingWhite:
7889 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7891 case TwoMachinesPlay:
7892 if (cps->twoMachinesColor[0] == 'w')
7893 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7895 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7902 } else if (strncmp(message, "checkmate", 9) == 0) {
7903 if (WhiteOnMove(forwardMostMove)) {
7904 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7906 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7909 } else if (strstr(message, "Draw") != NULL ||
7910 strstr(message, "game is a draw") != NULL) {
7911 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7913 } else if (strstr(message, "offer") != NULL &&
7914 strstr(message, "draw") != NULL) {
7916 if (appData.zippyPlay && first.initDone) {
7917 /* Relay offer to ICS */
7918 SendToICS(ics_prefix);
7919 SendToICS("draw\n");
7922 cps->offeredDraw = 2; /* valid until this engine moves twice */
7923 if (gameMode == TwoMachinesPlay) {
7924 if (cps->other->offeredDraw) {
7925 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7926 /* [HGM] in two-machine mode we delay relaying draw offer */
7927 /* until after we also have move, to see if it is really claim */
7929 } else if (gameMode == MachinePlaysWhite ||
7930 gameMode == MachinePlaysBlack) {
7931 if (userOfferedDraw) {
7932 DisplayInformation(_("Machine accepts your draw offer"));
7933 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7935 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7942 * Look for thinking output
7944 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7945 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7947 int plylev, mvleft, mvtot, curscore, time;
7948 char mvname[MOVE_LEN];
7952 int prefixHint = FALSE;
7953 mvname[0] = NULLCHAR;
7956 case MachinePlaysBlack:
7957 case IcsPlayingBlack:
7958 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7960 case MachinePlaysWhite:
7961 case IcsPlayingWhite:
7962 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7967 case IcsObserving: /* [DM] icsEngineAnalyze */
7968 if (!appData.icsEngineAnalyze) ignore = TRUE;
7970 case TwoMachinesPlay:
7971 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7981 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7983 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7984 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7986 if (plyext != ' ' && plyext != '\t') {
7990 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7991 if( cps->scoreIsAbsolute &&
7992 ( gameMode == MachinePlaysBlack ||
7993 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7994 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7995 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7996 !WhiteOnMove(currentMove)
7999 curscore = -curscore;
8003 tempStats.depth = plylev;
8004 tempStats.nodes = nodes;
8005 tempStats.time = time;
8006 tempStats.score = curscore;
8007 tempStats.got_only_move = 0;
8009 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8012 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8013 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8014 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8015 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8016 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8017 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8018 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8019 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8022 /* Buffer overflow protection */
8023 if (buf1[0] != NULLCHAR) {
8024 if (strlen(buf1) >= sizeof(tempStats.movelist)
8025 && appData.debugMode) {
8027 "PV is too long; using the first %u bytes.\n",
8028 (unsigned) sizeof(tempStats.movelist) - 1);
8031 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8033 sprintf(tempStats.movelist, " no PV\n");
8036 if (tempStats.seen_stat) {
8037 tempStats.ok_to_send = 1;
8040 if (strchr(tempStats.movelist, '(') != NULL) {
8041 tempStats.line_is_book = 1;
8042 tempStats.nr_moves = 0;
8043 tempStats.moves_left = 0;
8045 tempStats.line_is_book = 0;
8048 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8049 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8051 SendProgramStatsToFrontend( cps, &tempStats );
8054 [AS] Protect the thinkOutput buffer from overflow... this
8055 is only useful if buf1 hasn't overflowed first!
8057 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8059 (gameMode == TwoMachinesPlay ?
8060 ToUpper(cps->twoMachinesColor[0]) : ' '),
8061 ((double) curscore) / 100.0,
8062 prefixHint ? lastHint : "",
8063 prefixHint ? " " : "" );
8065 if( buf1[0] != NULLCHAR ) {
8066 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8068 if( strlen(buf1) > max_len ) {
8069 if( appData.debugMode) {
8070 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8072 buf1[max_len+1] = '\0';
8075 strcat( thinkOutput, buf1 );
8078 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8079 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8080 DisplayMove(currentMove - 1);
8084 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8085 /* crafty (9.25+) says "(only move) <move>"
8086 * if there is only 1 legal move
8088 sscanf(p, "(only move) %s", buf1);
8089 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8090 sprintf(programStats.movelist, "%s (only move)", buf1);
8091 programStats.depth = 1;
8092 programStats.nr_moves = 1;
8093 programStats.moves_left = 1;
8094 programStats.nodes = 1;
8095 programStats.time = 1;
8096 programStats.got_only_move = 1;
8098 /* Not really, but we also use this member to
8099 mean "line isn't going to change" (Crafty
8100 isn't searching, so stats won't change) */
8101 programStats.line_is_book = 1;
8103 SendProgramStatsToFrontend( cps, &programStats );
8105 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8106 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8107 DisplayMove(currentMove - 1);
8110 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8111 &time, &nodes, &plylev, &mvleft,
8112 &mvtot, mvname) >= 5) {
8113 /* The stat01: line is from Crafty (9.29+) in response
8114 to the "." command */
8115 programStats.seen_stat = 1;
8116 cps->maybeThinking = TRUE;
8118 if (programStats.got_only_move || !appData.periodicUpdates)
8121 programStats.depth = plylev;
8122 programStats.time = time;
8123 programStats.nodes = nodes;
8124 programStats.moves_left = mvleft;
8125 programStats.nr_moves = mvtot;
8126 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8127 programStats.ok_to_send = 1;
8128 programStats.movelist[0] = '\0';
8130 SendProgramStatsToFrontend( cps, &programStats );
8134 } else if (strncmp(message,"++",2) == 0) {
8135 /* Crafty 9.29+ outputs this */
8136 programStats.got_fail = 2;
8139 } else if (strncmp(message,"--",2) == 0) {
8140 /* Crafty 9.29+ outputs this */
8141 programStats.got_fail = 1;
8144 } else if (thinkOutput[0] != NULLCHAR &&
8145 strncmp(message, " ", 4) == 0) {
8146 unsigned message_len;
8149 while (*p && *p == ' ') p++;
8151 message_len = strlen( p );
8153 /* [AS] Avoid buffer overflow */
8154 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8155 strcat(thinkOutput, " ");
8156 strcat(thinkOutput, p);
8159 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8160 strcat(programStats.movelist, " ");
8161 strcat(programStats.movelist, p);
8164 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8165 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8166 DisplayMove(currentMove - 1);
8174 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8175 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8177 ChessProgramStats cpstats;
8179 if (plyext != ' ' && plyext != '\t') {
8183 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8184 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8185 curscore = -curscore;
8188 cpstats.depth = plylev;
8189 cpstats.nodes = nodes;
8190 cpstats.time = time;
8191 cpstats.score = curscore;
8192 cpstats.got_only_move = 0;
8193 cpstats.movelist[0] = '\0';
8195 if (buf1[0] != NULLCHAR) {
8196 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8199 cpstats.ok_to_send = 0;
8200 cpstats.line_is_book = 0;
8201 cpstats.nr_moves = 0;
8202 cpstats.moves_left = 0;
8204 SendProgramStatsToFrontend( cps, &cpstats );
8211 /* Parse a game score from the character string "game", and
8212 record it as the history of the current game. The game
8213 score is NOT assumed to start from the standard position.
8214 The display is not updated in any way.
8217 ParseGameHistory(game)
8221 int fromX, fromY, toX, toY, boardIndex;
8226 if (appData.debugMode)
8227 fprintf(debugFP, "Parsing game history: %s\n", game);
8229 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8230 gameInfo.site = StrSave(appData.icsHost);
8231 gameInfo.date = PGNDate();
8232 gameInfo.round = StrSave("-");
8234 /* Parse out names of players */
8235 while (*game == ' ') game++;
8237 while (*game != ' ') *p++ = *game++;
8239 gameInfo.white = StrSave(buf);
8240 while (*game == ' ') game++;
8242 while (*game != ' ' && *game != '\n') *p++ = *game++;
8244 gameInfo.black = StrSave(buf);
8247 boardIndex = blackPlaysFirst ? 1 : 0;
8250 yyboardindex = boardIndex;
8251 moveType = (ChessMove) Myylex();
8253 case IllegalMove: /* maybe suicide chess, etc. */
8254 if (appData.debugMode) {
8255 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8256 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8257 setbuf(debugFP, NULL);
8259 case WhitePromotion:
8260 case BlackPromotion:
8261 case WhiteNonPromotion:
8262 case BlackNonPromotion:
8264 case WhiteCapturesEnPassant:
8265 case BlackCapturesEnPassant:
8266 case WhiteKingSideCastle:
8267 case WhiteQueenSideCastle:
8268 case BlackKingSideCastle:
8269 case BlackQueenSideCastle:
8270 case WhiteKingSideCastleWild:
8271 case WhiteQueenSideCastleWild:
8272 case BlackKingSideCastleWild:
8273 case BlackQueenSideCastleWild:
8275 case WhiteHSideCastleFR:
8276 case WhiteASideCastleFR:
8277 case BlackHSideCastleFR:
8278 case BlackASideCastleFR:
8280 fromX = currentMoveString[0] - AAA;
8281 fromY = currentMoveString[1] - ONE;
8282 toX = currentMoveString[2] - AAA;
8283 toY = currentMoveString[3] - ONE;
8284 promoChar = currentMoveString[4];
8288 fromX = moveType == WhiteDrop ?
8289 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8290 (int) CharToPiece(ToLower(currentMoveString[0]));
8292 toX = currentMoveString[2] - AAA;
8293 toY = currentMoveString[3] - ONE;
8294 promoChar = NULLCHAR;
8298 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8299 if (appData.debugMode) {
8300 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8301 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8302 setbuf(debugFP, NULL);
8304 DisplayError(buf, 0);
8306 case ImpossibleMove:
8308 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8309 if (appData.debugMode) {
8310 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8311 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8312 setbuf(debugFP, NULL);
8314 DisplayError(buf, 0);
8317 if (boardIndex < backwardMostMove) {
8318 /* Oops, gap. How did that happen? */
8319 DisplayError(_("Gap in move list"), 0);
8322 backwardMostMove = blackPlaysFirst ? 1 : 0;
8323 if (boardIndex > forwardMostMove) {
8324 forwardMostMove = boardIndex;
8328 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8329 strcat(parseList[boardIndex-1], " ");
8330 strcat(parseList[boardIndex-1], yy_text);
8342 case GameUnfinished:
8343 if (gameMode == IcsExamining) {
8344 if (boardIndex < backwardMostMove) {
8345 /* Oops, gap. How did that happen? */
8348 backwardMostMove = blackPlaysFirst ? 1 : 0;
8351 gameInfo.result = moveType;
8352 p = strchr(yy_text, '{');
8353 if (p == NULL) p = strchr(yy_text, '(');
8356 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8358 q = strchr(p, *p == '{' ? '}' : ')');
8359 if (q != NULL) *q = NULLCHAR;
8362 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
8363 gameInfo.resultDetails = StrSave(p);
8366 if (boardIndex >= forwardMostMove &&
8367 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8368 backwardMostMove = blackPlaysFirst ? 1 : 0;
8371 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8372 fromY, fromX, toY, toX, promoChar,
8373 parseList[boardIndex]);
8374 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8375 /* currentMoveString is set as a side-effect of yylex */
8376 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8377 strcat(moveList[boardIndex], "\n");
8379 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8380 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8386 if(gameInfo.variant != VariantShogi)
8387 strcat(parseList[boardIndex - 1], "+");
8391 strcat(parseList[boardIndex - 1], "#");
8398 /* Apply a move to the given board */
8400 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8401 int fromX, fromY, toX, toY;
8405 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8406 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8408 /* [HGM] compute & store e.p. status and castling rights for new position */
8409 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8411 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8412 oldEP = (signed char)board[EP_STATUS];
8413 board[EP_STATUS] = EP_NONE;
8415 if( board[toY][toX] != EmptySquare )
8416 board[EP_STATUS] = EP_CAPTURE;
8418 if (fromY == DROP_RANK) {
8420 piece = board[toY][toX] = (ChessSquare) fromX;
8424 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
8425 if( gameInfo.variant == VariantFairy ) board[EP_STATUS] = EP_PAWN_MOVE; // Lance in fairy is Pawn-like
8427 if( board[fromY][fromX] == WhitePawn ) {
8428 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8429 board[EP_STATUS] = EP_PAWN_MOVE;
8431 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8432 gameInfo.variant != VariantBerolina || toX < fromX)
8433 board[EP_STATUS] = toX | berolina;
8434 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8435 gameInfo.variant != VariantBerolina || toX > fromX)
8436 board[EP_STATUS] = toX;
8439 if( board[fromY][fromX] == BlackPawn ) {
8440 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8441 board[EP_STATUS] = EP_PAWN_MOVE;
8442 if( toY-fromY== -2) {
8443 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8444 gameInfo.variant != VariantBerolina || toX < fromX)
8445 board[EP_STATUS] = toX | berolina;
8446 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8447 gameInfo.variant != VariantBerolina || toX > fromX)
8448 board[EP_STATUS] = toX;
8452 for(i=0; i<nrCastlingRights; i++) {
8453 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8454 board[CASTLING][i] == toX && castlingRank[i] == toY
8455 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8458 if (fromX == toX && fromY == toY) return;
8460 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8461 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8462 if(gameInfo.variant == VariantKnightmate)
8463 king += (int) WhiteUnicorn - (int) WhiteKing;
8465 /* Code added by Tord: */
8466 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
8467 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
8468 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
8469 board[fromY][fromX] = EmptySquare;
8470 board[toY][toX] = EmptySquare;
8471 if((toX > fromX) != (piece == WhiteRook)) {
8472 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8474 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8476 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
8477 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
8478 board[fromY][fromX] = EmptySquare;
8479 board[toY][toX] = EmptySquare;
8480 if((toX > fromX) != (piece == BlackRook)) {
8481 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8483 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8485 /* End of code added by Tord */
8487 } else if (board[fromY][fromX] == king
8488 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8489 && toY == fromY && toX > fromX+1) {
8490 board[fromY][fromX] = EmptySquare;
8491 board[toY][toX] = king;
8492 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8493 board[fromY][BOARD_RGHT-1] = EmptySquare;
8494 } else if (board[fromY][fromX] == king
8495 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8496 && toY == fromY && toX < fromX-1) {
8497 board[fromY][fromX] = EmptySquare;
8498 board[toY][toX] = king;
8499 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8500 board[fromY][BOARD_LEFT] = EmptySquare;
8501 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
8502 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
8503 && toY >= BOARD_HEIGHT-promoRank
8505 /* white pawn promotion */
8506 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8507 if (board[toY][toX] == EmptySquare) {
8508 board[toY][toX] = WhiteQueen;
8510 if(gameInfo.variant==VariantBughouse ||
8511 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8512 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8513 board[fromY][fromX] = EmptySquare;
8514 } else if ((fromY == BOARD_HEIGHT-4)
8516 && gameInfo.variant != VariantXiangqi
8517 && gameInfo.variant != VariantBerolina
8518 && (board[fromY][fromX] == WhitePawn)
8519 && (board[toY][toX] == EmptySquare)) {
8520 board[fromY][fromX] = EmptySquare;
8521 board[toY][toX] = WhitePawn;
8522 captured = board[toY - 1][toX];
8523 board[toY - 1][toX] = EmptySquare;
8524 } else if ((fromY == BOARD_HEIGHT-4)
8526 && gameInfo.variant == VariantBerolina
8527 && (board[fromY][fromX] == WhitePawn)
8528 && (board[toY][toX] == EmptySquare)) {
8529 board[fromY][fromX] = EmptySquare;
8530 board[toY][toX] = WhitePawn;
8531 if(oldEP & EP_BEROLIN_A) {
8532 captured = board[fromY][fromX-1];
8533 board[fromY][fromX-1] = EmptySquare;
8534 }else{ captured = board[fromY][fromX+1];
8535 board[fromY][fromX+1] = EmptySquare;
8537 } else if (board[fromY][fromX] == king
8538 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8539 && toY == fromY && toX > fromX+1) {
8540 board[fromY][fromX] = EmptySquare;
8541 board[toY][toX] = king;
8542 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8543 board[fromY][BOARD_RGHT-1] = EmptySquare;
8544 } else if (board[fromY][fromX] == king
8545 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8546 && toY == fromY && toX < fromX-1) {
8547 board[fromY][fromX] = EmptySquare;
8548 board[toY][toX] = king;
8549 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8550 board[fromY][BOARD_LEFT] = EmptySquare;
8551 } else if (fromY == 7 && fromX == 3
8552 && board[fromY][fromX] == BlackKing
8553 && toY == 7 && toX == 5) {
8554 board[fromY][fromX] = EmptySquare;
8555 board[toY][toX] = BlackKing;
8556 board[fromY][7] = EmptySquare;
8557 board[toY][4] = BlackRook;
8558 } else if (fromY == 7 && fromX == 3
8559 && board[fromY][fromX] == BlackKing
8560 && toY == 7 && toX == 1) {
8561 board[fromY][fromX] = EmptySquare;
8562 board[toY][toX] = BlackKing;
8563 board[fromY][0] = EmptySquare;
8564 board[toY][2] = BlackRook;
8565 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
8566 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
8569 /* black pawn promotion */
8570 board[toY][toX] = CharToPiece(ToLower(promoChar));
8571 if (board[toY][toX] == EmptySquare) {
8572 board[toY][toX] = BlackQueen;
8574 if(gameInfo.variant==VariantBughouse ||
8575 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8576 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8577 board[fromY][fromX] = EmptySquare;
8578 } else if ((fromY == 3)
8580 && gameInfo.variant != VariantXiangqi
8581 && gameInfo.variant != VariantBerolina
8582 && (board[fromY][fromX] == BlackPawn)
8583 && (board[toY][toX] == EmptySquare)) {
8584 board[fromY][fromX] = EmptySquare;
8585 board[toY][toX] = BlackPawn;
8586 captured = board[toY + 1][toX];
8587 board[toY + 1][toX] = EmptySquare;
8588 } else if ((fromY == 3)
8590 && gameInfo.variant == VariantBerolina
8591 && (board[fromY][fromX] == BlackPawn)
8592 && (board[toY][toX] == EmptySquare)) {
8593 board[fromY][fromX] = EmptySquare;
8594 board[toY][toX] = BlackPawn;
8595 if(oldEP & EP_BEROLIN_A) {
8596 captured = board[fromY][fromX-1];
8597 board[fromY][fromX-1] = EmptySquare;
8598 }else{ captured = board[fromY][fromX+1];
8599 board[fromY][fromX+1] = EmptySquare;
8602 board[toY][toX] = board[fromY][fromX];
8603 board[fromY][fromX] = EmptySquare;
8607 if (gameInfo.holdingsWidth != 0) {
8609 /* !!A lot more code needs to be written to support holdings */
8610 /* [HGM] OK, so I have written it. Holdings are stored in the */
8611 /* penultimate board files, so they are automaticlly stored */
8612 /* in the game history. */
8613 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
8614 && promoChar && piece != WhitePawn && piece != BlackPawn) {
8615 /* Delete from holdings, by decreasing count */
8616 /* and erasing image if necessary */
8617 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
8618 if(p < (int) BlackPawn) { /* white drop */
8619 p -= (int)WhitePawn;
8620 p = PieceToNumber((ChessSquare)p);
8621 if(p >= gameInfo.holdingsSize) p = 0;
8622 if(--board[p][BOARD_WIDTH-2] <= 0)
8623 board[p][BOARD_WIDTH-1] = EmptySquare;
8624 if((int)board[p][BOARD_WIDTH-2] < 0)
8625 board[p][BOARD_WIDTH-2] = 0;
8626 } else { /* black drop */
8627 p -= (int)BlackPawn;
8628 p = PieceToNumber((ChessSquare)p);
8629 if(p >= gameInfo.holdingsSize) p = 0;
8630 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8631 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8632 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8633 board[BOARD_HEIGHT-1-p][1] = 0;
8636 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8637 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
8638 /* [HGM] holdings: Add to holdings, if holdings exist */
8639 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8640 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8641 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8644 if (p >= (int) BlackPawn) {
8645 p -= (int)BlackPawn;
8646 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8647 /* in Shogi restore piece to its original first */
8648 captured = (ChessSquare) (DEMOTED captured);
8651 p = PieceToNumber((ChessSquare)p);
8652 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8653 board[p][BOARD_WIDTH-2]++;
8654 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8656 p -= (int)WhitePawn;
8657 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8658 captured = (ChessSquare) (DEMOTED captured);
8661 p = PieceToNumber((ChessSquare)p);
8662 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8663 board[BOARD_HEIGHT-1-p][1]++;
8664 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8667 } else if (gameInfo.variant == VariantAtomic) {
8668 if (captured != EmptySquare) {
8670 for (y = toY-1; y <= toY+1; y++) {
8671 for (x = toX-1; x <= toX+1; x++) {
8672 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8673 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8674 board[y][x] = EmptySquare;
8678 board[toY][toX] = EmptySquare;
8681 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
8682 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
8684 if(promoChar == '+') {
8685 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
8686 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8687 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
8688 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
8690 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8691 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8692 // [HGM] superchess: take promotion piece out of holdings
8693 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8694 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8695 if(!--board[k][BOARD_WIDTH-2])
8696 board[k][BOARD_WIDTH-1] = EmptySquare;
8698 if(!--board[BOARD_HEIGHT-1-k][1])
8699 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8705 /* Updates forwardMostMove */
8707 MakeMove(fromX, fromY, toX, toY, promoChar)
8708 int fromX, fromY, toX, toY;
8711 // forwardMostMove++; // [HGM] bare: moved downstream
8713 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8714 int timeLeft; static int lastLoadFlag=0; int king, piece;
8715 piece = boards[forwardMostMove][fromY][fromX];
8716 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8717 if(gameInfo.variant == VariantKnightmate)
8718 king += (int) WhiteUnicorn - (int) WhiteKing;
8719 if(forwardMostMove == 0) {
8721 fprintf(serverMoves, "%s;", second.tidy);
8722 fprintf(serverMoves, "%s;", first.tidy);
8723 if(!blackPlaysFirst)
8724 fprintf(serverMoves, "%s;", second.tidy);
8725 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8726 lastLoadFlag = loadFlag;
8728 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8729 // print castling suffix
8730 if( toY == fromY && piece == king ) {
8732 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8734 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8737 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8738 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8739 boards[forwardMostMove][toY][toX] == EmptySquare
8740 && fromX != toX && fromY != toY)
8741 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8743 if(promoChar != NULLCHAR)
8744 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8746 fprintf(serverMoves, "/%d/%d",
8747 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8748 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8749 else timeLeft = blackTimeRemaining/1000;
8750 fprintf(serverMoves, "/%d", timeLeft);
8752 fflush(serverMoves);
8755 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8756 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8760 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8761 if (commentList[forwardMostMove+1] != NULL) {
8762 free(commentList[forwardMostMove+1]);
8763 commentList[forwardMostMove+1] = NULL;
8765 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8766 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8767 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8768 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8769 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8770 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8771 gameInfo.result = GameUnfinished;
8772 if (gameInfo.resultDetails != NULL) {
8773 free(gameInfo.resultDetails);
8774 gameInfo.resultDetails = NULL;
8776 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8777 moveList[forwardMostMove - 1]);
8778 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8779 PosFlags(forwardMostMove - 1),
8780 fromY, fromX, toY, toX, promoChar,
8781 parseList[forwardMostMove - 1]);
8782 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8788 if(gameInfo.variant != VariantShogi)
8789 strcat(parseList[forwardMostMove - 1], "+");
8793 strcat(parseList[forwardMostMove - 1], "#");
8796 if (appData.debugMode) {
8797 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8802 /* Updates currentMove if not pausing */
8804 ShowMove(fromX, fromY, toX, toY)
8806 int instant = (gameMode == PlayFromGameFile) ?
8807 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8808 if(appData.noGUI) return;
8809 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8811 if (forwardMostMove == currentMove + 1) {
8812 AnimateMove(boards[forwardMostMove - 1],
8813 fromX, fromY, toX, toY);
8815 if (appData.highlightLastMove) {
8816 SetHighlights(fromX, fromY, toX, toY);
8819 currentMove = forwardMostMove;
8822 if (instant) return;
8824 DisplayMove(currentMove - 1);
8825 DrawPosition(FALSE, boards[currentMove]);
8826 DisplayBothClocks();
8827 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8830 void SendEgtPath(ChessProgramState *cps)
8831 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8832 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8834 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8837 char c, *q = name+1, *r, *s;
8839 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8840 while(*p && *p != ',') *q++ = *p++;
8842 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8843 strcmp(name, ",nalimov:") == 0 ) {
8844 // take nalimov path from the menu-changeable option first, if it is defined
8845 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8846 SendToProgram(buf,cps); // send egtbpath command for nalimov
8848 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8849 (s = StrStr(appData.egtFormats, name)) != NULL) {
8850 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8851 s = r = StrStr(s, ":") + 1; // beginning of path info
8852 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8853 c = *r; *r = 0; // temporarily null-terminate path info
8854 *--q = 0; // strip of trailig ':' from name
8855 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
8857 SendToProgram(buf,cps); // send egtbpath command for this format
8859 if(*p == ',') p++; // read away comma to position for next format name
8864 InitChessProgram(cps, setup)
8865 ChessProgramState *cps;
8866 int setup; /* [HGM] needed to setup FRC opening position */
8868 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8869 if (appData.noChessProgram) return;
8870 hintRequested = FALSE;
8871 bookRequested = FALSE;
8873 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8874 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8875 if(cps->memSize) { /* [HGM] memory */
8876 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8877 SendToProgram(buf, cps);
8879 SendEgtPath(cps); /* [HGM] EGT */
8880 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8881 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
8882 SendToProgram(buf, cps);
8885 SendToProgram(cps->initString, cps);
8886 if (gameInfo.variant != VariantNormal &&
8887 gameInfo.variant != VariantLoadable
8888 /* [HGM] also send variant if board size non-standard */
8889 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8891 char *v = VariantName(gameInfo.variant);
8892 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8893 /* [HGM] in protocol 1 we have to assume all variants valid */
8894 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
8895 DisplayFatalError(buf, 0, 1);
8899 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8900 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8901 if( gameInfo.variant == VariantXiangqi )
8902 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8903 if( gameInfo.variant == VariantShogi )
8904 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8905 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8906 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8907 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8908 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8909 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8910 if( gameInfo.variant == VariantCourier )
8911 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8912 if( gameInfo.variant == VariantSuper )
8913 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8914 if( gameInfo.variant == VariantGreat )
8915 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8916 if( gameInfo.variant == VariantSChess )
8917 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
8920 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8921 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8922 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8923 if(StrStr(cps->variants, b) == NULL) {
8924 // specific sized variant not known, check if general sizing allowed
8925 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8926 if(StrStr(cps->variants, "boardsize") == NULL) {
8927 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
8928 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8929 DisplayFatalError(buf, 0, 1);
8932 /* [HGM] here we really should compare with the maximum supported board size */
8935 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
8936 snprintf(buf, MSG_SIZ, "variant %s\n", b);
8937 SendToProgram(buf, cps);
8939 currentlyInitializedVariant = gameInfo.variant;
8941 /* [HGM] send opening position in FRC to first engine */
8943 SendToProgram("force\n", cps);
8945 /* engine is now in force mode! Set flag to wake it up after first move. */
8946 setboardSpoiledMachineBlack = 1;
8950 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8951 SendToProgram(buf, cps);
8953 cps->maybeThinking = FALSE;
8954 cps->offeredDraw = 0;
8955 if (!appData.icsActive) {
8956 SendTimeControl(cps, movesPerSession, timeControl,
8957 timeIncrement, appData.searchDepth,
8960 if (appData.showThinking
8961 // [HGM] thinking: four options require thinking output to be sent
8962 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8964 SendToProgram("post\n", cps);
8966 SendToProgram("hard\n", cps);
8967 if (!appData.ponderNextMove) {
8968 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8969 it without being sure what state we are in first. "hard"
8970 is not a toggle, so that one is OK.
8972 SendToProgram("easy\n", cps);
8975 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
8976 SendToProgram(buf, cps);
8978 cps->initDone = TRUE;
8983 StartChessProgram(cps)
8984 ChessProgramState *cps;
8989 if (appData.noChessProgram) return;
8990 cps->initDone = FALSE;
8992 if (strcmp(cps->host, "localhost") == 0) {
8993 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8994 } else if (*appData.remoteShell == NULLCHAR) {
8995 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8997 if (*appData.remoteUser == NULLCHAR) {
8998 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9001 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9002 cps->host, appData.remoteUser, cps->program);
9004 err = StartChildProcess(buf, "", &cps->pr);
9008 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9009 DisplayFatalError(buf, err, 1);
9015 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9016 if (cps->protocolVersion > 1) {
9017 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9018 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9019 cps->comboCnt = 0; // and values of combo boxes
9020 SendToProgram(buf, cps);
9022 SendToProgram("xboard\n", cps);
9028 TwoMachinesEventIfReady P((void))
9030 if (first.lastPing != first.lastPong) {
9031 DisplayMessage("", _("Waiting for first chess program"));
9032 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9035 if (second.lastPing != second.lastPong) {
9036 DisplayMessage("", _("Waiting for second chess program"));
9037 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9045 NextMatchGame P((void))
9047 int index; /* [HGM] autoinc: step load index during match */
9049 if (*appData.loadGameFile != NULLCHAR) {
9050 index = appData.loadGameIndex;
9051 if(index < 0) { // [HGM] autoinc
9052 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9053 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9055 LoadGameFromFile(appData.loadGameFile,
9057 appData.loadGameFile, FALSE);
9058 } else if (*appData.loadPositionFile != NULLCHAR) {
9059 index = appData.loadPositionIndex;
9060 if(index < 0) { // [HGM] autoinc
9061 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9062 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9064 LoadPositionFromFile(appData.loadPositionFile,
9066 appData.loadPositionFile);
9068 TwoMachinesEventIfReady();
9071 void UserAdjudicationEvent( int result )
9073 ChessMove gameResult = GameIsDrawn;
9076 gameResult = WhiteWins;
9078 else if( result < 0 ) {
9079 gameResult = BlackWins;
9082 if( gameMode == TwoMachinesPlay ) {
9083 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9088 // [HGM] save: calculate checksum of game to make games easily identifiable
9089 int StringCheckSum(char *s)
9092 if(s==NULL) return 0;
9093 while(*s) i = i*259 + *s++;
9100 for(i=backwardMostMove; i<forwardMostMove; i++) {
9101 sum += pvInfoList[i].depth;
9102 sum += StringCheckSum(parseList[i]);
9103 sum += StringCheckSum(commentList[i]);
9106 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9107 return sum + StringCheckSum(commentList[i]);
9108 } // end of save patch
9111 GameEnds(result, resultDetails, whosays)
9113 char *resultDetails;
9116 GameMode nextGameMode;
9118 char buf[MSG_SIZ], popupRequested = 0;
9120 if(endingGame) return; /* [HGM] crash: forbid recursion */
9122 if(twoBoards) { // [HGM] dual: switch back to one board
9123 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9124 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9126 if (appData.debugMode) {
9127 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9128 result, resultDetails ? resultDetails : "(null)", whosays);
9131 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9133 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9134 /* If we are playing on ICS, the server decides when the
9135 game is over, but the engine can offer to draw, claim
9139 if (appData.zippyPlay && first.initDone) {
9140 if (result == GameIsDrawn) {
9141 /* In case draw still needs to be claimed */
9142 SendToICS(ics_prefix);
9143 SendToICS("draw\n");
9144 } else if (StrCaseStr(resultDetails, "resign")) {
9145 SendToICS(ics_prefix);
9146 SendToICS("resign\n");
9150 endingGame = 0; /* [HGM] crash */
9154 /* If we're loading the game from a file, stop */
9155 if (whosays == GE_FILE) {
9156 (void) StopLoadGameTimer();
9160 /* Cancel draw offers */
9161 first.offeredDraw = second.offeredDraw = 0;
9163 /* If this is an ICS game, only ICS can really say it's done;
9164 if not, anyone can. */
9165 isIcsGame = (gameMode == IcsPlayingWhite ||
9166 gameMode == IcsPlayingBlack ||
9167 gameMode == IcsObserving ||
9168 gameMode == IcsExamining);
9170 if (!isIcsGame || whosays == GE_ICS) {
9171 /* OK -- not an ICS game, or ICS said it was done */
9173 if (!isIcsGame && !appData.noChessProgram)
9174 SetUserThinkingEnables();
9176 /* [HGM] if a machine claims the game end we verify this claim */
9177 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9178 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9180 ChessMove trueResult = (ChessMove) -1;
9182 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9183 first.twoMachinesColor[0] :
9184 second.twoMachinesColor[0] ;
9186 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9187 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9188 /* [HGM] verify: engine mate claims accepted if they were flagged */
9189 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9191 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9192 /* [HGM] verify: engine mate claims accepted if they were flagged */
9193 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9195 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9196 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9199 // now verify win claims, but not in drop games, as we don't understand those yet
9200 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9201 || gameInfo.variant == VariantGreat) &&
9202 (result == WhiteWins && claimer == 'w' ||
9203 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9204 if (appData.debugMode) {
9205 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9206 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9208 if(result != trueResult) {
9209 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
9210 result = claimer == 'w' ? BlackWins : WhiteWins;
9211 resultDetails = buf;
9214 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9215 && (forwardMostMove <= backwardMostMove ||
9216 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9217 (claimer=='b')==(forwardMostMove&1))
9219 /* [HGM] verify: draws that were not flagged are false claims */
9220 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
9221 result = claimer == 'w' ? BlackWins : WhiteWins;
9222 resultDetails = buf;
9224 /* (Claiming a loss is accepted no questions asked!) */
9226 /* [HGM] bare: don't allow bare King to win */
9227 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9228 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9229 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9230 && result != GameIsDrawn)
9231 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9232 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9233 int p = (signed char)boards[forwardMostMove][i][j] - color;
9234 if(p >= 0 && p <= (int)WhiteKing) k++;
9236 if (appData.debugMode) {
9237 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9238 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9241 result = GameIsDrawn;
9242 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
9243 resultDetails = buf;
9249 if(serverMoves != NULL && !loadFlag) { char c = '=';
9250 if(result==WhiteWins) c = '+';
9251 if(result==BlackWins) c = '-';
9252 if(resultDetails != NULL)
9253 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9255 if (resultDetails != NULL) {
9256 gameInfo.result = result;
9257 gameInfo.resultDetails = StrSave(resultDetails);
9259 /* display last move only if game was not loaded from file */
9260 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9261 DisplayMove(currentMove - 1);
9263 if (forwardMostMove != 0) {
9264 if (gameMode != PlayFromGameFile && gameMode != EditGame
9265 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9267 if (*appData.saveGameFile != NULLCHAR) {
9268 SaveGameToFile(appData.saveGameFile, TRUE);
9269 } else if (appData.autoSaveGames) {
9272 if (*appData.savePositionFile != NULLCHAR) {
9273 SavePositionToFile(appData.savePositionFile);
9278 /* Tell program how game ended in case it is learning */
9279 /* [HGM] Moved this to after saving the PGN, just in case */
9280 /* engine died and we got here through time loss. In that */
9281 /* case we will get a fatal error writing the pipe, which */
9282 /* would otherwise lose us the PGN. */
9283 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9284 /* output during GameEnds should never be fatal anymore */
9285 if (gameMode == MachinePlaysWhite ||
9286 gameMode == MachinePlaysBlack ||
9287 gameMode == TwoMachinesPlay ||
9288 gameMode == IcsPlayingWhite ||
9289 gameMode == IcsPlayingBlack ||
9290 gameMode == BeginningOfGame) {
9292 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
9294 if (first.pr != NoProc) {
9295 SendToProgram(buf, &first);
9297 if (second.pr != NoProc &&
9298 gameMode == TwoMachinesPlay) {
9299 SendToProgram(buf, &second);
9304 if (appData.icsActive) {
9305 if (appData.quietPlay &&
9306 (gameMode == IcsPlayingWhite ||
9307 gameMode == IcsPlayingBlack)) {
9308 SendToICS(ics_prefix);
9309 SendToICS("set shout 1\n");
9311 nextGameMode = IcsIdle;
9312 ics_user_moved = FALSE;
9313 /* clean up premove. It's ugly when the game has ended and the
9314 * premove highlights are still on the board.
9318 ClearPremoveHighlights();
9319 DrawPosition(FALSE, boards[currentMove]);
9321 if (whosays == GE_ICS) {
9324 if (gameMode == IcsPlayingWhite)
9326 else if(gameMode == IcsPlayingBlack)
9330 if (gameMode == IcsPlayingBlack)
9332 else if(gameMode == IcsPlayingWhite)
9339 PlayIcsUnfinishedSound();
9342 } else if (gameMode == EditGame ||
9343 gameMode == PlayFromGameFile ||
9344 gameMode == AnalyzeMode ||
9345 gameMode == AnalyzeFile) {
9346 nextGameMode = gameMode;
9348 nextGameMode = EndOfGame;
9353 nextGameMode = gameMode;
9356 if (appData.noChessProgram) {
9357 gameMode = nextGameMode;
9359 endingGame = 0; /* [HGM] crash */
9364 /* Put first chess program into idle state */
9365 if (first.pr != NoProc &&
9366 (gameMode == MachinePlaysWhite ||
9367 gameMode == MachinePlaysBlack ||
9368 gameMode == TwoMachinesPlay ||
9369 gameMode == IcsPlayingWhite ||
9370 gameMode == IcsPlayingBlack ||
9371 gameMode == BeginningOfGame)) {
9372 SendToProgram("force\n", &first);
9373 if (first.usePing) {
9375 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
9376 SendToProgram(buf, &first);
9379 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9380 /* Kill off first chess program */
9381 if (first.isr != NULL)
9382 RemoveInputSource(first.isr);
9385 if (first.pr != NoProc) {
9387 DoSleep( appData.delayBeforeQuit );
9388 SendToProgram("quit\n", &first);
9389 DoSleep( appData.delayAfterQuit );
9390 DestroyChildProcess(first.pr, first.useSigterm);
9395 /* Put second chess program into idle state */
9396 if (second.pr != NoProc &&
9397 gameMode == TwoMachinesPlay) {
9398 SendToProgram("force\n", &second);
9399 if (second.usePing) {
9401 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
9402 SendToProgram(buf, &second);
9405 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9406 /* Kill off second chess program */
9407 if (second.isr != NULL)
9408 RemoveInputSource(second.isr);
9411 if (second.pr != NoProc) {
9412 DoSleep( appData.delayBeforeQuit );
9413 SendToProgram("quit\n", &second);
9414 DoSleep( appData.delayAfterQuit );
9415 DestroyChildProcess(second.pr, second.useSigterm);
9420 if (matchMode && gameMode == TwoMachinesPlay) {
9423 if (first.twoMachinesColor[0] == 'w') {
9430 if (first.twoMachinesColor[0] == 'b') {
9439 if (matchGame < appData.matchGames) {
9441 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9442 tmp = first.twoMachinesColor;
9443 first.twoMachinesColor = second.twoMachinesColor;
9444 second.twoMachinesColor = tmp;
9446 gameMode = nextGameMode;
9448 if(appData.matchPause>10000 || appData.matchPause<10)
9449 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9450 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9451 endingGame = 0; /* [HGM] crash */
9454 gameMode = nextGameMode;
9455 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
9456 first.tidy, second.tidy,
9457 first.matchWins, second.matchWins,
9458 appData.matchGames - (first.matchWins + second.matchWins));
9459 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
9460 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
9461 first.twoMachinesColor = "black\n";
9462 second.twoMachinesColor = "white\n";
9464 first.twoMachinesColor = "white\n";
9465 second.twoMachinesColor = "black\n";
9469 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9470 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9472 gameMode = nextGameMode;
9474 endingGame = 0; /* [HGM] crash */
9475 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
9476 if(matchMode == TRUE) DisplayFatalError(buf, 0, 0); else {
9477 matchMode = FALSE; appData.matchGames = matchGame = 0;
9483 /* Assumes program was just initialized (initString sent).
9484 Leaves program in force mode. */
9486 FeedMovesToProgram(cps, upto)
9487 ChessProgramState *cps;
9492 if (appData.debugMode)
9493 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9494 startedFromSetupPosition ? "position and " : "",
9495 backwardMostMove, upto, cps->which);
9496 if(currentlyInitializedVariant != gameInfo.variant) {
9498 // [HGM] variantswitch: make engine aware of new variant
9499 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9500 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9501 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
9502 SendToProgram(buf, cps);
9503 currentlyInitializedVariant = gameInfo.variant;
9505 SendToProgram("force\n", cps);
9506 if (startedFromSetupPosition) {
9507 SendBoard(cps, backwardMostMove);
9508 if (appData.debugMode) {
9509 fprintf(debugFP, "feedMoves\n");
9512 for (i = backwardMostMove; i < upto; i++) {
9513 SendMoveToProgram(i, cps);
9519 ResurrectChessProgram()
9521 /* The chess program may have exited.
9522 If so, restart it and feed it all the moves made so far. */
9524 if (appData.noChessProgram || first.pr != NoProc) return;
9526 StartChessProgram(&first);
9527 InitChessProgram(&first, FALSE);
9528 FeedMovesToProgram(&first, currentMove);
9530 if (!first.sendTime) {
9531 /* can't tell gnuchess what its clock should read,
9532 so we bow to its notion. */
9534 timeRemaining[0][currentMove] = whiteTimeRemaining;
9535 timeRemaining[1][currentMove] = blackTimeRemaining;
9538 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9539 appData.icsEngineAnalyze) && first.analysisSupport) {
9540 SendToProgram("analyze\n", &first);
9541 first.analyzing = TRUE;
9554 if (appData.debugMode) {
9555 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9556 redraw, init, gameMode);
9558 CleanupTail(); // [HGM] vari: delete any stored variations
9559 pausing = pauseExamInvalid = FALSE;
9560 startedFromSetupPosition = blackPlaysFirst = FALSE;
9562 whiteFlag = blackFlag = FALSE;
9563 userOfferedDraw = FALSE;
9564 hintRequested = bookRequested = FALSE;
9565 first.maybeThinking = FALSE;
9566 second.maybeThinking = FALSE;
9567 first.bookSuspend = FALSE; // [HGM] book
9568 second.bookSuspend = FALSE;
9569 thinkOutput[0] = NULLCHAR;
9570 lastHint[0] = NULLCHAR;
9571 ClearGameInfo(&gameInfo);
9572 gameInfo.variant = StringToVariant(appData.variant);
9573 ics_user_moved = ics_clock_paused = FALSE;
9574 ics_getting_history = H_FALSE;
9576 white_holding[0] = black_holding[0] = NULLCHAR;
9577 ClearProgramStats();
9578 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9582 flipView = appData.flipView;
9583 ClearPremoveHighlights();
9585 alarmSounded = FALSE;
9587 GameEnds(EndOfFile, NULL, GE_PLAYER);
9588 if(appData.serverMovesName != NULL) {
9589 /* [HGM] prepare to make moves file for broadcasting */
9590 clock_t t = clock();
9591 if(serverMoves != NULL) fclose(serverMoves);
9592 serverMoves = fopen(appData.serverMovesName, "r");
9593 if(serverMoves != NULL) {
9594 fclose(serverMoves);
9595 /* delay 15 sec before overwriting, so all clients can see end */
9596 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9598 serverMoves = fopen(appData.serverMovesName, "w");
9602 gameMode = BeginningOfGame;
9604 if(appData.icsActive) gameInfo.variant = VariantNormal;
9605 currentMove = forwardMostMove = backwardMostMove = 0;
9606 InitPosition(redraw);
9607 for (i = 0; i < MAX_MOVES; i++) {
9608 if (commentList[i] != NULL) {
9609 free(commentList[i]);
9610 commentList[i] = NULL;
9614 timeRemaining[0][0] = whiteTimeRemaining;
9615 timeRemaining[1][0] = blackTimeRemaining;
9616 if (first.pr == NULL) {
9617 StartChessProgram(&first);
9620 InitChessProgram(&first, startedFromSetupPosition);
9623 DisplayMessage("", "");
9624 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9625 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9632 if (!AutoPlayOneMove())
9634 if (matchMode || appData.timeDelay == 0)
9636 if (appData.timeDelay < 0)
9638 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9647 int fromX, fromY, toX, toY;
9649 if (appData.debugMode) {
9650 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9653 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
9656 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
9657 pvInfoList[currentMove].depth = programStats.depth;
9658 pvInfoList[currentMove].score = programStats.score;
9659 pvInfoList[currentMove].time = 0;
9660 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
9663 if (currentMove >= forwardMostMove) {
9664 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
9665 gameMode = EditGame;
9668 /* [AS] Clear current move marker at the end of a game */
9669 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9674 toX = moveList[currentMove][2] - AAA;
9675 toY = moveList[currentMove][3] - ONE;
9677 if (moveList[currentMove][1] == '@') {
9678 if (appData.highlightLastMove) {
9679 SetHighlights(-1, -1, toX, toY);
9682 fromX = moveList[currentMove][0] - AAA;
9683 fromY = moveList[currentMove][1] - ONE;
9685 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9687 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9689 if (appData.highlightLastMove) {
9690 SetHighlights(fromX, fromY, toX, toY);
9693 DisplayMove(currentMove);
9694 SendMoveToProgram(currentMove++, &first);
9695 DisplayBothClocks();
9696 DrawPosition(FALSE, boards[currentMove]);
9697 // [HGM] PV info: always display, routine tests if empty
9698 DisplayComment(currentMove - 1, commentList[currentMove]);
9704 LoadGameOneMove(readAhead)
9705 ChessMove readAhead;
9707 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9708 char promoChar = NULLCHAR;
9713 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9714 gameMode != AnalyzeMode && gameMode != Training) {
9719 yyboardindex = forwardMostMove;
9720 if (readAhead != EndOfFile) {
9721 moveType = readAhead;
9723 if (gameFileFP == NULL)
9725 moveType = (ChessMove) Myylex();
9731 if (appData.debugMode)
9732 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9735 /* append the comment but don't display it */
9736 AppendComment(currentMove, p, FALSE);
9739 case WhiteCapturesEnPassant:
9740 case BlackCapturesEnPassant:
9741 case WhitePromotion:
9742 case BlackPromotion:
9743 case WhiteNonPromotion:
9744 case BlackNonPromotion:
9746 case WhiteKingSideCastle:
9747 case WhiteQueenSideCastle:
9748 case BlackKingSideCastle:
9749 case BlackQueenSideCastle:
9750 case WhiteKingSideCastleWild:
9751 case WhiteQueenSideCastleWild:
9752 case BlackKingSideCastleWild:
9753 case BlackQueenSideCastleWild:
9755 case WhiteHSideCastleFR:
9756 case WhiteASideCastleFR:
9757 case BlackHSideCastleFR:
9758 case BlackASideCastleFR:
9760 if (appData.debugMode)
9761 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9762 fromX = currentMoveString[0] - AAA;
9763 fromY = currentMoveString[1] - ONE;
9764 toX = currentMoveString[2] - AAA;
9765 toY = currentMoveString[3] - ONE;
9766 promoChar = currentMoveString[4];
9771 if (appData.debugMode)
9772 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9773 fromX = moveType == WhiteDrop ?
9774 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9775 (int) CharToPiece(ToLower(currentMoveString[0]));
9777 toX = currentMoveString[2] - AAA;
9778 toY = currentMoveString[3] - ONE;
9784 case GameUnfinished:
9785 if (appData.debugMode)
9786 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9787 p = strchr(yy_text, '{');
9788 if (p == NULL) p = strchr(yy_text, '(');
9791 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9793 q = strchr(p, *p == '{' ? '}' : ')');
9794 if (q != NULL) *q = NULLCHAR;
9797 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9798 GameEnds(moveType, p, GE_FILE);
9800 if (cmailMsgLoaded) {
9802 flipView = WhiteOnMove(currentMove);
9803 if (moveType == GameUnfinished) flipView = !flipView;
9804 if (appData.debugMode)
9805 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9810 if (appData.debugMode)
9811 fprintf(debugFP, "Parser hit end of file\n");
9812 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9818 if (WhiteOnMove(currentMove)) {
9819 GameEnds(BlackWins, "Black mates", GE_FILE);
9821 GameEnds(WhiteWins, "White mates", GE_FILE);
9825 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9832 if (lastLoadGameStart == GNUChessGame) {
9833 /* GNUChessGames have numbers, but they aren't move numbers */
9834 if (appData.debugMode)
9835 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9836 yy_text, (int) moveType);
9837 return LoadGameOneMove(EndOfFile); /* tail recursion */
9839 /* else fall thru */
9844 /* Reached start of next game in file */
9845 if (appData.debugMode)
9846 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9847 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9853 if (WhiteOnMove(currentMove)) {
9854 GameEnds(BlackWins, "Black mates", GE_FILE);
9856 GameEnds(WhiteWins, "White mates", GE_FILE);
9860 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9866 case PositionDiagram: /* should not happen; ignore */
9867 case ElapsedTime: /* ignore */
9868 case NAG: /* ignore */
9869 if (appData.debugMode)
9870 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9871 yy_text, (int) moveType);
9872 return LoadGameOneMove(EndOfFile); /* tail recursion */
9875 if (appData.testLegality) {
9876 if (appData.debugMode)
9877 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9878 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9879 (forwardMostMove / 2) + 1,
9880 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9881 DisplayError(move, 0);
9884 if (appData.debugMode)
9885 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9886 yy_text, currentMoveString);
9887 fromX = currentMoveString[0] - AAA;
9888 fromY = currentMoveString[1] - ONE;
9889 toX = currentMoveString[2] - AAA;
9890 toY = currentMoveString[3] - ONE;
9891 promoChar = currentMoveString[4];
9896 if (appData.debugMode)
9897 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9898 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
9899 (forwardMostMove / 2) + 1,
9900 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9901 DisplayError(move, 0);
9906 case ImpossibleMove:
9907 if (appData.debugMode)
9908 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9909 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9910 (forwardMostMove / 2) + 1,
9911 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9912 DisplayError(move, 0);
9918 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9919 DrawPosition(FALSE, boards[currentMove]);
9920 DisplayBothClocks();
9921 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9922 DisplayComment(currentMove - 1, commentList[currentMove]);
9924 (void) StopLoadGameTimer();
9926 cmailOldMove = forwardMostMove;
9929 /* currentMoveString is set as a side-effect of yylex */
9930 strcat(currentMoveString, "\n");
9931 safeStrCpy(moveList[forwardMostMove], currentMoveString, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
9933 thinkOutput[0] = NULLCHAR;
9934 MakeMove(fromX, fromY, toX, toY, promoChar);
9935 currentMove = forwardMostMove;
9940 /* Load the nth game from the given file */
9942 LoadGameFromFile(filename, n, title, useList)
9946 /*Boolean*/ int useList;
9951 if (strcmp(filename, "-") == 0) {
9955 f = fopen(filename, "rb");
9957 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9958 DisplayError(buf, errno);
9962 if (fseek(f, 0, 0) == -1) {
9963 /* f is not seekable; probably a pipe */
9966 if (useList && n == 0) {
9967 int error = GameListBuild(f);
9969 DisplayError(_("Cannot build game list"), error);
9970 } else if (!ListEmpty(&gameList) &&
9971 ((ListGame *) gameList.tailPred)->number > 1) {
9972 GameListPopUp(f, title);
9979 return LoadGame(f, n, title, FALSE);
9984 MakeRegisteredMove()
9986 int fromX, fromY, toX, toY;
9988 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9989 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9992 if (appData.debugMode)
9993 fprintf(debugFP, "Restoring %s for game %d\n",
9994 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9996 thinkOutput[0] = NULLCHAR;
9997 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
9998 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9999 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
10000 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
10001 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
10002 promoChar = cmailMove[lastLoadGameNumber - 1][4];
10003 MakeMove(fromX, fromY, toX, toY, promoChar);
10004 ShowMove(fromX, fromY, toX, toY);
10006 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10013 if (WhiteOnMove(currentMove)) {
10014 GameEnds(BlackWins, "Black mates", GE_PLAYER);
10016 GameEnds(WhiteWins, "White mates", GE_PLAYER);
10021 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
10028 if (WhiteOnMove(currentMove)) {
10029 GameEnds(BlackWins, "White resigns", GE_PLAYER);
10031 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
10036 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
10047 /* Wrapper around LoadGame for use when a Cmail message is loaded */
10049 CmailLoadGame(f, gameNumber, title, useList)
10057 if (gameNumber > nCmailGames) {
10058 DisplayError(_("No more games in this message"), 0);
10061 if (f == lastLoadGameFP) {
10062 int offset = gameNumber - lastLoadGameNumber;
10064 cmailMsg[0] = NULLCHAR;
10065 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10066 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10067 nCmailMovesRegistered--;
10069 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10070 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10071 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10074 if (! RegisterMove()) return FALSE;
10078 retVal = LoadGame(f, gameNumber, title, useList);
10080 /* Make move registered during previous look at this game, if any */
10081 MakeRegisteredMove();
10083 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10084 commentList[currentMove]
10085 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10086 DisplayComment(currentMove - 1, commentList[currentMove]);
10092 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10097 int gameNumber = lastLoadGameNumber + offset;
10098 if (lastLoadGameFP == NULL) {
10099 DisplayError(_("No game has been loaded yet"), 0);
10102 if (gameNumber <= 0) {
10103 DisplayError(_("Can't back up any further"), 0);
10106 if (cmailMsgLoaded) {
10107 return CmailLoadGame(lastLoadGameFP, gameNumber,
10108 lastLoadGameTitle, lastLoadGameUseList);
10110 return LoadGame(lastLoadGameFP, gameNumber,
10111 lastLoadGameTitle, lastLoadGameUseList);
10117 /* Load the nth game from open file f */
10119 LoadGame(f, gameNumber, title, useList)
10127 int gn = gameNumber;
10128 ListGame *lg = NULL;
10129 int numPGNTags = 0;
10131 GameMode oldGameMode;
10132 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10134 if (appData.debugMode)
10135 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10137 if (gameMode == Training )
10138 SetTrainingModeOff();
10140 oldGameMode = gameMode;
10141 if (gameMode != BeginningOfGame) {
10142 Reset(FALSE, TRUE);
10146 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10147 fclose(lastLoadGameFP);
10151 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10154 fseek(f, lg->offset, 0);
10155 GameListHighlight(gameNumber);
10159 DisplayError(_("Game number out of range"), 0);
10164 if (fseek(f, 0, 0) == -1) {
10165 if (f == lastLoadGameFP ?
10166 gameNumber == lastLoadGameNumber + 1 :
10170 DisplayError(_("Can't seek on game file"), 0);
10175 lastLoadGameFP = f;
10176 lastLoadGameNumber = gameNumber;
10177 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10178 lastLoadGameUseList = useList;
10182 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10183 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10184 lg->gameInfo.black);
10186 } else if (*title != NULLCHAR) {
10187 if (gameNumber > 1) {
10188 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
10191 DisplayTitle(title);
10195 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10196 gameMode = PlayFromGameFile;
10200 currentMove = forwardMostMove = backwardMostMove = 0;
10201 CopyBoard(boards[0], initialPosition);
10205 * Skip the first gn-1 games in the file.
10206 * Also skip over anything that precedes an identifiable
10207 * start of game marker, to avoid being confused by
10208 * garbage at the start of the file. Currently
10209 * recognized start of game markers are the move number "1",
10210 * the pattern "gnuchess .* game", the pattern
10211 * "^[#;%] [^ ]* game file", and a PGN tag block.
10212 * A game that starts with one of the latter two patterns
10213 * will also have a move number 1, possibly
10214 * following a position diagram.
10215 * 5-4-02: Let's try being more lenient and allowing a game to
10216 * start with an unnumbered move. Does that break anything?
10218 cm = lastLoadGameStart = EndOfFile;
10220 yyboardindex = forwardMostMove;
10221 cm = (ChessMove) Myylex();
10224 if (cmailMsgLoaded) {
10225 nCmailGames = CMAIL_MAX_GAMES - gn;
10228 DisplayError(_("Game not found in file"), 0);
10235 lastLoadGameStart = cm;
10238 case MoveNumberOne:
10239 switch (lastLoadGameStart) {
10244 case MoveNumberOne:
10246 gn--; /* count this game */
10247 lastLoadGameStart = cm;
10256 switch (lastLoadGameStart) {
10259 case MoveNumberOne:
10261 gn--; /* count this game */
10262 lastLoadGameStart = cm;
10265 lastLoadGameStart = cm; /* game counted already */
10273 yyboardindex = forwardMostMove;
10274 cm = (ChessMove) Myylex();
10275 } while (cm == PGNTag || cm == Comment);
10282 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10283 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10284 != CMAIL_OLD_RESULT) {
10286 cmailResult[ CMAIL_MAX_GAMES
10287 - gn - 1] = CMAIL_OLD_RESULT;
10293 /* Only a NormalMove can be at the start of a game
10294 * without a position diagram. */
10295 if (lastLoadGameStart == EndOfFile ) {
10297 lastLoadGameStart = MoveNumberOne;
10306 if (appData.debugMode)
10307 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10309 if (cm == XBoardGame) {
10310 /* Skip any header junk before position diagram and/or move 1 */
10312 yyboardindex = forwardMostMove;
10313 cm = (ChessMove) Myylex();
10315 if (cm == EndOfFile ||
10316 cm == GNUChessGame || cm == XBoardGame) {
10317 /* Empty game; pretend end-of-file and handle later */
10322 if (cm == MoveNumberOne || cm == PositionDiagram ||
10323 cm == PGNTag || cm == Comment)
10326 } else if (cm == GNUChessGame) {
10327 if (gameInfo.event != NULL) {
10328 free(gameInfo.event);
10330 gameInfo.event = StrSave(yy_text);
10333 startedFromSetupPosition = FALSE;
10334 while (cm == PGNTag) {
10335 if (appData.debugMode)
10336 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10337 err = ParsePGNTag(yy_text, &gameInfo);
10338 if (!err) numPGNTags++;
10340 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10341 if(gameInfo.variant != oldVariant) {
10342 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10343 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10344 InitPosition(TRUE);
10345 oldVariant = gameInfo.variant;
10346 if (appData.debugMode)
10347 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10351 if (gameInfo.fen != NULL) {
10352 Board initial_position;
10353 startedFromSetupPosition = TRUE;
10354 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10356 DisplayError(_("Bad FEN position in file"), 0);
10359 CopyBoard(boards[0], initial_position);
10360 if (blackPlaysFirst) {
10361 currentMove = forwardMostMove = backwardMostMove = 1;
10362 CopyBoard(boards[1], initial_position);
10363 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10364 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10365 timeRemaining[0][1] = whiteTimeRemaining;
10366 timeRemaining[1][1] = blackTimeRemaining;
10367 if (commentList[0] != NULL) {
10368 commentList[1] = commentList[0];
10369 commentList[0] = NULL;
10372 currentMove = forwardMostMove = backwardMostMove = 0;
10374 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10376 initialRulePlies = FENrulePlies;
10377 for( i=0; i< nrCastlingRights; i++ )
10378 initialRights[i] = initial_position[CASTLING][i];
10380 yyboardindex = forwardMostMove;
10381 free(gameInfo.fen);
10382 gameInfo.fen = NULL;
10385 yyboardindex = forwardMostMove;
10386 cm = (ChessMove) Myylex();
10388 /* Handle comments interspersed among the tags */
10389 while (cm == Comment) {
10391 if (appData.debugMode)
10392 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10394 AppendComment(currentMove, p, FALSE);
10395 yyboardindex = forwardMostMove;
10396 cm = (ChessMove) Myylex();
10400 /* don't rely on existence of Event tag since if game was
10401 * pasted from clipboard the Event tag may not exist
10403 if (numPGNTags > 0){
10405 if (gameInfo.variant == VariantNormal) {
10406 VariantClass v = StringToVariant(gameInfo.event);
10407 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10408 if(v < VariantShogi) gameInfo.variant = v;
10411 if( appData.autoDisplayTags ) {
10412 tags = PGNTags(&gameInfo);
10413 TagsPopUp(tags, CmailMsg());
10418 /* Make something up, but don't display it now */
10423 if (cm == PositionDiagram) {
10426 Board initial_position;
10428 if (appData.debugMode)
10429 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10431 if (!startedFromSetupPosition) {
10433 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10434 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10444 initial_position[i][j++] = CharToPiece(*p);
10447 while (*p == ' ' || *p == '\t' ||
10448 *p == '\n' || *p == '\r') p++;
10450 if (strncmp(p, "black", strlen("black"))==0)
10451 blackPlaysFirst = TRUE;
10453 blackPlaysFirst = FALSE;
10454 startedFromSetupPosition = TRUE;
10456 CopyBoard(boards[0], initial_position);
10457 if (blackPlaysFirst) {
10458 currentMove = forwardMostMove = backwardMostMove = 1;
10459 CopyBoard(boards[1], initial_position);
10460 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10461 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10462 timeRemaining[0][1] = whiteTimeRemaining;
10463 timeRemaining[1][1] = blackTimeRemaining;
10464 if (commentList[0] != NULL) {
10465 commentList[1] = commentList[0];
10466 commentList[0] = NULL;
10469 currentMove = forwardMostMove = backwardMostMove = 0;
10472 yyboardindex = forwardMostMove;
10473 cm = (ChessMove) Myylex();
10476 if (first.pr == NoProc) {
10477 StartChessProgram(&first);
10479 InitChessProgram(&first, FALSE);
10480 SendToProgram("force\n", &first);
10481 if (startedFromSetupPosition) {
10482 SendBoard(&first, forwardMostMove);
10483 if (appData.debugMode) {
10484 fprintf(debugFP, "Load Game\n");
10486 DisplayBothClocks();
10489 /* [HGM] server: flag to write setup moves in broadcast file as one */
10490 loadFlag = appData.suppressLoadMoves;
10492 while (cm == Comment) {
10494 if (appData.debugMode)
10495 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10497 AppendComment(currentMove, p, FALSE);
10498 yyboardindex = forwardMostMove;
10499 cm = (ChessMove) Myylex();
10502 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
10503 cm == WhiteWins || cm == BlackWins ||
10504 cm == GameIsDrawn || cm == GameUnfinished) {
10505 DisplayMessage("", _("No moves in game"));
10506 if (cmailMsgLoaded) {
10507 if (appData.debugMode)
10508 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10512 DrawPosition(FALSE, boards[currentMove]);
10513 DisplayBothClocks();
10514 gameMode = EditGame;
10521 // [HGM] PV info: routine tests if comment empty
10522 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10523 DisplayComment(currentMove - 1, commentList[currentMove]);
10525 if (!matchMode && appData.timeDelay != 0)
10526 DrawPosition(FALSE, boards[currentMove]);
10528 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10529 programStats.ok_to_send = 1;
10532 /* if the first token after the PGN tags is a move
10533 * and not move number 1, retrieve it from the parser
10535 if (cm != MoveNumberOne)
10536 LoadGameOneMove(cm);
10538 /* load the remaining moves from the file */
10539 while (LoadGameOneMove(EndOfFile)) {
10540 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10541 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10544 /* rewind to the start of the game */
10545 currentMove = backwardMostMove;
10547 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10549 if (oldGameMode == AnalyzeFile ||
10550 oldGameMode == AnalyzeMode) {
10551 AnalyzeFileEvent();
10554 if (matchMode || appData.timeDelay == 0) {
10556 gameMode = EditGame;
10558 } else if (appData.timeDelay > 0) {
10559 AutoPlayGameLoop();
10562 if (appData.debugMode)
10563 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10565 loadFlag = 0; /* [HGM] true game starts */
10569 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10571 ReloadPosition(offset)
10574 int positionNumber = lastLoadPositionNumber + offset;
10575 if (lastLoadPositionFP == NULL) {
10576 DisplayError(_("No position has been loaded yet"), 0);
10579 if (positionNumber <= 0) {
10580 DisplayError(_("Can't back up any further"), 0);
10583 return LoadPosition(lastLoadPositionFP, positionNumber,
10584 lastLoadPositionTitle);
10587 /* Load the nth position from the given file */
10589 LoadPositionFromFile(filename, n, title)
10597 if (strcmp(filename, "-") == 0) {
10598 return LoadPosition(stdin, n, "stdin");
10600 f = fopen(filename, "rb");
10602 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10603 DisplayError(buf, errno);
10606 return LoadPosition(f, n, title);
10611 /* Load the nth position from the given open file, and close it */
10613 LoadPosition(f, positionNumber, title)
10615 int positionNumber;
10618 char *p, line[MSG_SIZ];
10619 Board initial_position;
10620 int i, j, fenMode, pn;
10622 if (gameMode == Training )
10623 SetTrainingModeOff();
10625 if (gameMode != BeginningOfGame) {
10626 Reset(FALSE, TRUE);
10628 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10629 fclose(lastLoadPositionFP);
10631 if (positionNumber == 0) positionNumber = 1;
10632 lastLoadPositionFP = f;
10633 lastLoadPositionNumber = positionNumber;
10634 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
10635 if (first.pr == NoProc) {
10636 StartChessProgram(&first);
10637 InitChessProgram(&first, FALSE);
10639 pn = positionNumber;
10640 if (positionNumber < 0) {
10641 /* Negative position number means to seek to that byte offset */
10642 if (fseek(f, -positionNumber, 0) == -1) {
10643 DisplayError(_("Can't seek on position file"), 0);
10648 if (fseek(f, 0, 0) == -1) {
10649 if (f == lastLoadPositionFP ?
10650 positionNumber == lastLoadPositionNumber + 1 :
10651 positionNumber == 1) {
10654 DisplayError(_("Can't seek on position file"), 0);
10659 /* See if this file is FEN or old-style xboard */
10660 if (fgets(line, MSG_SIZ, f) == NULL) {
10661 DisplayError(_("Position not found in file"), 0);
10664 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10665 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10668 if (fenMode || line[0] == '#') pn--;
10670 /* skip positions before number pn */
10671 if (fgets(line, MSG_SIZ, f) == NULL) {
10673 DisplayError(_("Position not found in file"), 0);
10676 if (fenMode || line[0] == '#') pn--;
10681 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10682 DisplayError(_("Bad FEN position in file"), 0);
10686 (void) fgets(line, MSG_SIZ, f);
10687 (void) fgets(line, MSG_SIZ, f);
10689 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10690 (void) fgets(line, MSG_SIZ, f);
10691 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10694 initial_position[i][j++] = CharToPiece(*p);
10698 blackPlaysFirst = FALSE;
10700 (void) fgets(line, MSG_SIZ, f);
10701 if (strncmp(line, "black", strlen("black"))==0)
10702 blackPlaysFirst = TRUE;
10705 startedFromSetupPosition = TRUE;
10707 SendToProgram("force\n", &first);
10708 CopyBoard(boards[0], initial_position);
10709 if (blackPlaysFirst) {
10710 currentMove = forwardMostMove = backwardMostMove = 1;
10711 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10712 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10713 CopyBoard(boards[1], initial_position);
10714 DisplayMessage("", _("Black to play"));
10716 currentMove = forwardMostMove = backwardMostMove = 0;
10717 DisplayMessage("", _("White to play"));
10719 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10720 SendBoard(&first, forwardMostMove);
10721 if (appData.debugMode) {
10723 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10724 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10725 fprintf(debugFP, "Load Position\n");
10728 if (positionNumber > 1) {
10729 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
10730 DisplayTitle(line);
10732 DisplayTitle(title);
10734 gameMode = EditGame;
10737 timeRemaining[0][1] = whiteTimeRemaining;
10738 timeRemaining[1][1] = blackTimeRemaining;
10739 DrawPosition(FALSE, boards[currentMove]);
10746 CopyPlayerNameIntoFileName(dest, src)
10749 while (*src != NULLCHAR && *src != ',') {
10754 *(*dest)++ = *src++;
10759 char *DefaultFileName(ext)
10762 static char def[MSG_SIZ];
10765 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10767 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10769 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10771 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
10778 /* Save the current game to the given file */
10780 SaveGameToFile(filename, append)
10787 if (strcmp(filename, "-") == 0) {
10788 return SaveGame(stdout, 0, NULL);
10790 f = fopen(filename, append ? "a" : "w");
10792 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10793 DisplayError(buf, errno);
10796 return SaveGame(f, 0, NULL);
10805 static char buf[MSG_SIZ];
10808 p = strchr(str, ' ');
10809 if (p == NULL) return str;
10810 strncpy(buf, str, p - str);
10811 buf[p - str] = NULLCHAR;
10815 #define PGN_MAX_LINE 75
10817 #define PGN_SIDE_WHITE 0
10818 #define PGN_SIDE_BLACK 1
10821 static int FindFirstMoveOutOfBook( int side )
10825 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10826 int index = backwardMostMove;
10827 int has_book_hit = 0;
10829 if( (index % 2) != side ) {
10833 while( index < forwardMostMove ) {
10834 /* Check to see if engine is in book */
10835 int depth = pvInfoList[index].depth;
10836 int score = pvInfoList[index].score;
10842 else if( score == 0 && depth == 63 ) {
10843 in_book = 1; /* Zappa */
10845 else if( score == 2 && depth == 99 ) {
10846 in_book = 1; /* Abrok */
10849 has_book_hit += in_book;
10865 void GetOutOfBookInfo( char * buf )
10869 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10871 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10872 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10876 if( oob[0] >= 0 || oob[1] >= 0 ) {
10877 for( i=0; i<2; i++ ) {
10881 if( i > 0 && oob[0] >= 0 ) {
10882 strcat( buf, " " );
10885 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10886 sprintf( buf+strlen(buf), "%s%.2f",
10887 pvInfoList[idx].score >= 0 ? "+" : "",
10888 pvInfoList[idx].score / 100.0 );
10894 /* Save game in PGN style and close the file */
10899 int i, offset, linelen, newblock;
10903 int movelen, numlen, blank;
10904 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10906 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10908 tm = time((time_t *) NULL);
10910 PrintPGNTags(f, &gameInfo);
10912 if (backwardMostMove > 0 || startedFromSetupPosition) {
10913 char *fen = PositionToFEN(backwardMostMove, NULL);
10914 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10915 fprintf(f, "\n{--------------\n");
10916 PrintPosition(f, backwardMostMove);
10917 fprintf(f, "--------------}\n");
10921 /* [AS] Out of book annotation */
10922 if( appData.saveOutOfBookInfo ) {
10925 GetOutOfBookInfo( buf );
10927 if( buf[0] != '\0' ) {
10928 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10935 i = backwardMostMove;
10939 while (i < forwardMostMove) {
10940 /* Print comments preceding this move */
10941 if (commentList[i] != NULL) {
10942 if (linelen > 0) fprintf(f, "\n");
10943 fprintf(f, "%s", commentList[i]);
10948 /* Format move number */
10950 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
10953 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
10955 numtext[0] = NULLCHAR;
10957 numlen = strlen(numtext);
10960 /* Print move number */
10961 blank = linelen > 0 && numlen > 0;
10962 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10971 fprintf(f, "%s", numtext);
10975 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
10976 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10979 blank = linelen > 0 && movelen > 0;
10980 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10989 fprintf(f, "%s", move_buffer);
10990 linelen += movelen;
10992 /* [AS] Add PV info if present */
10993 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10994 /* [HGM] add time */
10995 char buf[MSG_SIZ]; int seconds;
10997 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
11003 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
11006 seconds = (seconds + 4)/10; // round to full seconds
11008 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
11010 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
11013 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
11014 pvInfoList[i].score >= 0 ? "+" : "",
11015 pvInfoList[i].score / 100.0,
11016 pvInfoList[i].depth,
11019 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
11021 /* Print score/depth */
11022 blank = linelen > 0 && movelen > 0;
11023 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11032 fprintf(f, "%s", move_buffer);
11033 linelen += movelen;
11039 /* Start a new line */
11040 if (linelen > 0) fprintf(f, "\n");
11042 /* Print comments after last move */
11043 if (commentList[i] != NULL) {
11044 fprintf(f, "%s\n", commentList[i]);
11048 if (gameInfo.resultDetails != NULL &&
11049 gameInfo.resultDetails[0] != NULLCHAR) {
11050 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
11051 PGNResult(gameInfo.result));
11053 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11057 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11061 /* Save game in old style and close the file */
11063 SaveGameOldStyle(f)
11069 tm = time((time_t *) NULL);
11071 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11074 if (backwardMostMove > 0 || startedFromSetupPosition) {
11075 fprintf(f, "\n[--------------\n");
11076 PrintPosition(f, backwardMostMove);
11077 fprintf(f, "--------------]\n");
11082 i = backwardMostMove;
11083 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11085 while (i < forwardMostMove) {
11086 if (commentList[i] != NULL) {
11087 fprintf(f, "[%s]\n", commentList[i]);
11090 if ((i % 2) == 1) {
11091 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11094 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11096 if (commentList[i] != NULL) {
11100 if (i >= forwardMostMove) {
11104 fprintf(f, "%s\n", parseList[i]);
11109 if (commentList[i] != NULL) {
11110 fprintf(f, "[%s]\n", commentList[i]);
11113 /* This isn't really the old style, but it's close enough */
11114 if (gameInfo.resultDetails != NULL &&
11115 gameInfo.resultDetails[0] != NULLCHAR) {
11116 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11117 gameInfo.resultDetails);
11119 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11126 /* Save the current game to open file f and close the file */
11128 SaveGame(f, dummy, dummy2)
11133 if (gameMode == EditPosition) EditPositionDone(TRUE);
11134 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11135 if (appData.oldSaveStyle)
11136 return SaveGameOldStyle(f);
11138 return SaveGamePGN(f);
11141 /* Save the current position to the given file */
11143 SavePositionToFile(filename)
11149 if (strcmp(filename, "-") == 0) {
11150 return SavePosition(stdout, 0, NULL);
11152 f = fopen(filename, "a");
11154 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11155 DisplayError(buf, errno);
11158 SavePosition(f, 0, NULL);
11164 /* Save the current position to the given open file and close the file */
11166 SavePosition(f, dummy, dummy2)
11174 if (gameMode == EditPosition) EditPositionDone(TRUE);
11175 if (appData.oldSaveStyle) {
11176 tm = time((time_t *) NULL);
11178 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11180 fprintf(f, "[--------------\n");
11181 PrintPosition(f, currentMove);
11182 fprintf(f, "--------------]\n");
11184 fen = PositionToFEN(currentMove, NULL);
11185 fprintf(f, "%s\n", fen);
11193 ReloadCmailMsgEvent(unregister)
11197 static char *inFilename = NULL;
11198 static char *outFilename;
11200 struct stat inbuf, outbuf;
11203 /* Any registered moves are unregistered if unregister is set, */
11204 /* i.e. invoked by the signal handler */
11206 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11207 cmailMoveRegistered[i] = FALSE;
11208 if (cmailCommentList[i] != NULL) {
11209 free(cmailCommentList[i]);
11210 cmailCommentList[i] = NULL;
11213 nCmailMovesRegistered = 0;
11216 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11217 cmailResult[i] = CMAIL_NOT_RESULT;
11221 if (inFilename == NULL) {
11222 /* Because the filenames are static they only get malloced once */
11223 /* and they never get freed */
11224 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11225 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11227 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11228 sprintf(outFilename, "%s.out", appData.cmailGameName);
11231 status = stat(outFilename, &outbuf);
11233 cmailMailedMove = FALSE;
11235 status = stat(inFilename, &inbuf);
11236 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11239 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11240 counts the games, notes how each one terminated, etc.
11242 It would be nice to remove this kludge and instead gather all
11243 the information while building the game list. (And to keep it
11244 in the game list nodes instead of having a bunch of fixed-size
11245 parallel arrays.) Note this will require getting each game's
11246 termination from the PGN tags, as the game list builder does
11247 not process the game moves. --mann
11249 cmailMsgLoaded = TRUE;
11250 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11252 /* Load first game in the file or popup game menu */
11253 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11255 #endif /* !WIN32 */
11263 char string[MSG_SIZ];
11265 if ( cmailMailedMove
11266 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11267 return TRUE; /* Allow free viewing */
11270 /* Unregister move to ensure that we don't leave RegisterMove */
11271 /* with the move registered when the conditions for registering no */
11273 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11274 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11275 nCmailMovesRegistered --;
11277 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11279 free(cmailCommentList[lastLoadGameNumber - 1]);
11280 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11284 if (cmailOldMove == -1) {
11285 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11289 if (currentMove > cmailOldMove + 1) {
11290 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11294 if (currentMove < cmailOldMove) {
11295 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11299 if (forwardMostMove > currentMove) {
11300 /* Silently truncate extra moves */
11304 if ( (currentMove == cmailOldMove + 1)
11305 || ( (currentMove == cmailOldMove)
11306 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11307 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11308 if (gameInfo.result != GameUnfinished) {
11309 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11312 if (commentList[currentMove] != NULL) {
11313 cmailCommentList[lastLoadGameNumber - 1]
11314 = StrSave(commentList[currentMove]);
11316 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
11318 if (appData.debugMode)
11319 fprintf(debugFP, "Saving %s for game %d\n",
11320 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11322 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11324 f = fopen(string, "w");
11325 if (appData.oldSaveStyle) {
11326 SaveGameOldStyle(f); /* also closes the file */
11328 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
11329 f = fopen(string, "w");
11330 SavePosition(f, 0, NULL); /* also closes the file */
11332 fprintf(f, "{--------------\n");
11333 PrintPosition(f, currentMove);
11334 fprintf(f, "--------------}\n\n");
11336 SaveGame(f, 0, NULL); /* also closes the file*/
11339 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11340 nCmailMovesRegistered ++;
11341 } else if (nCmailGames == 1) {
11342 DisplayError(_("You have not made a move yet"), 0);
11353 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11354 FILE *commandOutput;
11355 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11356 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11362 if (! cmailMsgLoaded) {
11363 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11367 if (nCmailGames == nCmailResults) {
11368 DisplayError(_("No unfinished games"), 0);
11372 #if CMAIL_PROHIBIT_REMAIL
11373 if (cmailMailedMove) {
11374 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);
11375 DisplayError(msg, 0);
11380 if (! (cmailMailedMove || RegisterMove())) return;
11382 if ( cmailMailedMove
11383 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11384 snprintf(string, MSG_SIZ, partCommandString,
11385 appData.debugMode ? " -v" : "", appData.cmailGameName);
11386 commandOutput = popen(string, "r");
11388 if (commandOutput == NULL) {
11389 DisplayError(_("Failed to invoke cmail"), 0);
11391 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11392 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11394 if (nBuffers > 1) {
11395 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11396 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11397 nBytes = MSG_SIZ - 1;
11399 (void) memcpy(msg, buffer, nBytes);
11401 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11403 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11404 cmailMailedMove = TRUE; /* Prevent >1 moves */
11407 for (i = 0; i < nCmailGames; i ++) {
11408 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11413 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11415 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
11417 appData.cmailGameName,
11419 LoadGameFromFile(buffer, 1, buffer, FALSE);
11420 cmailMsgLoaded = FALSE;
11424 DisplayInformation(msg);
11425 pclose(commandOutput);
11428 if ((*cmailMsg) != '\0') {
11429 DisplayInformation(cmailMsg);
11434 #endif /* !WIN32 */
11443 int prependComma = 0;
11445 char string[MSG_SIZ]; /* Space for game-list */
11448 if (!cmailMsgLoaded) return "";
11450 if (cmailMailedMove) {
11451 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
11453 /* Create a list of games left */
11454 snprintf(string, MSG_SIZ, "[");
11455 for (i = 0; i < nCmailGames; i ++) {
11456 if (! ( cmailMoveRegistered[i]
11457 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11458 if (prependComma) {
11459 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
11461 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
11465 strcat(string, number);
11468 strcat(string, "]");
11470 if (nCmailMovesRegistered + nCmailResults == 0) {
11471 switch (nCmailGames) {
11473 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
11477 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
11481 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
11486 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11488 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
11493 if (nCmailResults == nCmailGames) {
11494 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
11496 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
11501 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
11513 if (gameMode == Training)
11514 SetTrainingModeOff();
11517 cmailMsgLoaded = FALSE;
11518 if (appData.icsActive) {
11519 SendToICS(ics_prefix);
11520 SendToICS("refresh\n");
11530 /* Give up on clean exit */
11534 /* Keep trying for clean exit */
11538 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11540 if (telnetISR != NULL) {
11541 RemoveInputSource(telnetISR);
11543 if (icsPR != NoProc) {
11544 DestroyChildProcess(icsPR, TRUE);
11547 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11548 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11550 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11551 /* make sure this other one finishes before killing it! */
11552 if(endingGame) { int count = 0;
11553 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11554 while(endingGame && count++ < 10) DoSleep(1);
11555 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11558 /* Kill off chess programs */
11559 if (first.pr != NoProc) {
11562 DoSleep( appData.delayBeforeQuit );
11563 SendToProgram("quit\n", &first);
11564 DoSleep( appData.delayAfterQuit );
11565 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11567 if (second.pr != NoProc) {
11568 DoSleep( appData.delayBeforeQuit );
11569 SendToProgram("quit\n", &second);
11570 DoSleep( appData.delayAfterQuit );
11571 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11573 if (first.isr != NULL) {
11574 RemoveInputSource(first.isr);
11576 if (second.isr != NULL) {
11577 RemoveInputSource(second.isr);
11580 ShutDownFrontEnd();
11587 if (appData.debugMode)
11588 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11592 if (gameMode == MachinePlaysWhite ||
11593 gameMode == MachinePlaysBlack) {
11596 DisplayBothClocks();
11598 if (gameMode == PlayFromGameFile) {
11599 if (appData.timeDelay >= 0)
11600 AutoPlayGameLoop();
11601 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11602 Reset(FALSE, TRUE);
11603 SendToICS(ics_prefix);
11604 SendToICS("refresh\n");
11605 } else if (currentMove < forwardMostMove) {
11606 ForwardInner(forwardMostMove);
11608 pauseExamInvalid = FALSE;
11610 switch (gameMode) {
11614 pauseExamForwardMostMove = forwardMostMove;
11615 pauseExamInvalid = FALSE;
11618 case IcsPlayingWhite:
11619 case IcsPlayingBlack:
11623 case PlayFromGameFile:
11624 (void) StopLoadGameTimer();
11628 case BeginningOfGame:
11629 if (appData.icsActive) return;
11630 /* else fall through */
11631 case MachinePlaysWhite:
11632 case MachinePlaysBlack:
11633 case TwoMachinesPlay:
11634 if (forwardMostMove == 0)
11635 return; /* don't pause if no one has moved */
11636 if ((gameMode == MachinePlaysWhite &&
11637 !WhiteOnMove(forwardMostMove)) ||
11638 (gameMode == MachinePlaysBlack &&
11639 WhiteOnMove(forwardMostMove))) {
11652 char title[MSG_SIZ];
11654 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11655 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
11657 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11658 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11659 parseList[currentMove - 1]);
11662 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11669 char *tags = PGNTags(&gameInfo);
11670 EditTagsPopUp(tags, NULL);
11677 if (appData.noChessProgram || gameMode == AnalyzeMode)
11680 if (gameMode != AnalyzeFile) {
11681 if (!appData.icsEngineAnalyze) {
11683 if (gameMode != EditGame) return;
11685 ResurrectChessProgram();
11686 SendToProgram("analyze\n", &first);
11687 first.analyzing = TRUE;
11688 /*first.maybeThinking = TRUE;*/
11689 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11690 EngineOutputPopUp();
11692 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11697 StartAnalysisClock();
11698 GetTimeMark(&lastNodeCountTime);
11705 if (appData.noChessProgram || gameMode == AnalyzeFile)
11708 if (gameMode != AnalyzeMode) {
11710 if (gameMode != EditGame) return;
11711 ResurrectChessProgram();
11712 SendToProgram("analyze\n", &first);
11713 first.analyzing = TRUE;
11714 /*first.maybeThinking = TRUE;*/
11715 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11716 EngineOutputPopUp();
11718 gameMode = AnalyzeFile;
11723 StartAnalysisClock();
11724 GetTimeMark(&lastNodeCountTime);
11729 MachineWhiteEvent()
11732 char *bookHit = NULL;
11734 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11738 if (gameMode == PlayFromGameFile ||
11739 gameMode == TwoMachinesPlay ||
11740 gameMode == Training ||
11741 gameMode == AnalyzeMode ||
11742 gameMode == EndOfGame)
11745 if (gameMode == EditPosition)
11746 EditPositionDone(TRUE);
11748 if (!WhiteOnMove(currentMove)) {
11749 DisplayError(_("It is not White's turn"), 0);
11753 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11756 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11757 gameMode == AnalyzeFile)
11760 ResurrectChessProgram(); /* in case it isn't running */
11761 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11762 gameMode = MachinePlaysWhite;
11765 gameMode = MachinePlaysWhite;
11769 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11771 if (first.sendName) {
11772 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
11773 SendToProgram(buf, &first);
11775 if (first.sendTime) {
11776 if (first.useColors) {
11777 SendToProgram("black\n", &first); /*gnu kludge*/
11779 SendTimeRemaining(&first, TRUE);
11781 if (first.useColors) {
11782 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11784 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11785 SetMachineThinkingEnables();
11786 first.maybeThinking = TRUE;
11790 if (appData.autoFlipView && !flipView) {
11791 flipView = !flipView;
11792 DrawPosition(FALSE, NULL);
11793 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11796 if(bookHit) { // [HGM] book: simulate book reply
11797 static char bookMove[MSG_SIZ]; // a bit generous?
11799 programStats.nodes = programStats.depth = programStats.time =
11800 programStats.score = programStats.got_only_move = 0;
11801 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11803 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11804 strcat(bookMove, bookHit);
11805 HandleMachineMove(bookMove, &first);
11810 MachineBlackEvent()
11813 char *bookHit = NULL;
11815 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11819 if (gameMode == PlayFromGameFile ||
11820 gameMode == TwoMachinesPlay ||
11821 gameMode == Training ||
11822 gameMode == AnalyzeMode ||
11823 gameMode == EndOfGame)
11826 if (gameMode == EditPosition)
11827 EditPositionDone(TRUE);
11829 if (WhiteOnMove(currentMove)) {
11830 DisplayError(_("It is not Black's turn"), 0);
11834 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11837 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11838 gameMode == AnalyzeFile)
11841 ResurrectChessProgram(); /* in case it isn't running */
11842 gameMode = MachinePlaysBlack;
11846 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11848 if (first.sendName) {
11849 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
11850 SendToProgram(buf, &first);
11852 if (first.sendTime) {
11853 if (first.useColors) {
11854 SendToProgram("white\n", &first); /*gnu kludge*/
11856 SendTimeRemaining(&first, FALSE);
11858 if (first.useColors) {
11859 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11861 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11862 SetMachineThinkingEnables();
11863 first.maybeThinking = TRUE;
11866 if (appData.autoFlipView && flipView) {
11867 flipView = !flipView;
11868 DrawPosition(FALSE, NULL);
11869 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11871 if(bookHit) { // [HGM] book: simulate book reply
11872 static char bookMove[MSG_SIZ]; // a bit generous?
11874 programStats.nodes = programStats.depth = programStats.time =
11875 programStats.score = programStats.got_only_move = 0;
11876 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11878 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11879 strcat(bookMove, bookHit);
11880 HandleMachineMove(bookMove, &first);
11886 DisplayTwoMachinesTitle()
11889 if (appData.matchGames > 0) {
11890 if (first.twoMachinesColor[0] == 'w') {
11891 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11892 gameInfo.white, gameInfo.black,
11893 first.matchWins, second.matchWins,
11894 matchGame - 1 - (first.matchWins + second.matchWins));
11896 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11897 gameInfo.white, gameInfo.black,
11898 second.matchWins, first.matchWins,
11899 matchGame - 1 - (first.matchWins + second.matchWins));
11902 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11908 SettingsMenuIfReady()
11910 if (second.lastPing != second.lastPong) {
11911 DisplayMessage("", _("Waiting for second chess program"));
11912 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
11916 DisplayMessage("", "");
11917 SettingsPopUp(&second);
11921 WaitForSecond(DelayedEventCallback retry)
11923 if (second.pr == NULL) {
11924 StartChessProgram(&second);
11925 if (second.protocolVersion == 1) {
11928 /* kludge: allow timeout for initial "feature" command */
11930 DisplayMessage("", _("Starting second chess program"));
11931 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
11939 TwoMachinesEvent P((void))
11943 ChessProgramState *onmove;
11944 char *bookHit = NULL;
11946 if (appData.noChessProgram) return;
11948 switch (gameMode) {
11949 case TwoMachinesPlay:
11951 case MachinePlaysWhite:
11952 case MachinePlaysBlack:
11953 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11954 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11958 case BeginningOfGame:
11959 case PlayFromGameFile:
11962 if (gameMode != EditGame) return;
11965 EditPositionDone(TRUE);
11976 // forwardMostMove = currentMove;
11977 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11978 ResurrectChessProgram(); /* in case first program isn't running */
11980 if(WaitForSecond(TwoMachinesEventIfReady)) return;
11981 DisplayMessage("", "");
11982 InitChessProgram(&second, FALSE);
11983 SendToProgram("force\n", &second);
11984 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
11985 ScheduleDelayedEvent(TwoMachinesEvent, 10);
11988 if (startedFromSetupPosition) {
11989 SendBoard(&second, backwardMostMove);
11990 if (appData.debugMode) {
11991 fprintf(debugFP, "Two Machines\n");
11994 for (i = backwardMostMove; i < forwardMostMove; i++) {
11995 SendMoveToProgram(i, &second);
11998 gameMode = TwoMachinesPlay;
12002 DisplayTwoMachinesTitle();
12004 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
12010 SendToProgram(first.computerString, &first);
12011 if (first.sendName) {
12012 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
12013 SendToProgram(buf, &first);
12015 SendToProgram(second.computerString, &second);
12016 if (second.sendName) {
12017 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
12018 SendToProgram(buf, &second);
12022 if (!first.sendTime || !second.sendTime) {
12023 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12024 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12026 if (onmove->sendTime) {
12027 if (onmove->useColors) {
12028 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
12030 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
12032 if (onmove->useColors) {
12033 SendToProgram(onmove->twoMachinesColor, onmove);
12035 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
12036 // SendToProgram("go\n", onmove);
12037 onmove->maybeThinking = TRUE;
12038 SetMachineThinkingEnables();
12042 if(bookHit) { // [HGM] book: simulate book reply
12043 static char bookMove[MSG_SIZ]; // a bit generous?
12045 programStats.nodes = programStats.depth = programStats.time =
12046 programStats.score = programStats.got_only_move = 0;
12047 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12049 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12050 strcat(bookMove, bookHit);
12051 savedMessage = bookMove; // args for deferred call
12052 savedState = onmove;
12053 ScheduleDelayedEvent(DeferredBookMove, 1);
12060 if (gameMode == Training) {
12061 SetTrainingModeOff();
12062 gameMode = PlayFromGameFile;
12063 DisplayMessage("", _("Training mode off"));
12065 gameMode = Training;
12066 animateTraining = appData.animate;
12068 /* make sure we are not already at the end of the game */
12069 if (currentMove < forwardMostMove) {
12070 SetTrainingModeOn();
12071 DisplayMessage("", _("Training mode on"));
12073 gameMode = PlayFromGameFile;
12074 DisplayError(_("Already at end of game"), 0);
12083 if (!appData.icsActive) return;
12084 switch (gameMode) {
12085 case IcsPlayingWhite:
12086 case IcsPlayingBlack:
12089 case BeginningOfGame:
12097 EditPositionDone(TRUE);
12110 gameMode = IcsIdle;
12121 switch (gameMode) {
12123 SetTrainingModeOff();
12125 case MachinePlaysWhite:
12126 case MachinePlaysBlack:
12127 case BeginningOfGame:
12128 SendToProgram("force\n", &first);
12129 SetUserThinkingEnables();
12131 case PlayFromGameFile:
12132 (void) StopLoadGameTimer();
12133 if (gameFileFP != NULL) {
12138 EditPositionDone(TRUE);
12143 SendToProgram("force\n", &first);
12145 case TwoMachinesPlay:
12146 GameEnds(EndOfFile, NULL, GE_PLAYER);
12147 ResurrectChessProgram();
12148 SetUserThinkingEnables();
12151 ResurrectChessProgram();
12153 case IcsPlayingBlack:
12154 case IcsPlayingWhite:
12155 DisplayError(_("Warning: You are still playing a game"), 0);
12158 DisplayError(_("Warning: You are still observing a game"), 0);
12161 DisplayError(_("Warning: You are still examining a game"), 0);
12172 first.offeredDraw = second.offeredDraw = 0;
12174 if (gameMode == PlayFromGameFile) {
12175 whiteTimeRemaining = timeRemaining[0][currentMove];
12176 blackTimeRemaining = timeRemaining[1][currentMove];
12180 if (gameMode == MachinePlaysWhite ||
12181 gameMode == MachinePlaysBlack ||
12182 gameMode == TwoMachinesPlay ||
12183 gameMode == EndOfGame) {
12184 i = forwardMostMove;
12185 while (i > currentMove) {
12186 SendToProgram("undo\n", &first);
12189 whiteTimeRemaining = timeRemaining[0][currentMove];
12190 blackTimeRemaining = timeRemaining[1][currentMove];
12191 DisplayBothClocks();
12192 if (whiteFlag || blackFlag) {
12193 whiteFlag = blackFlag = 0;
12198 gameMode = EditGame;
12205 EditPositionEvent()
12207 if (gameMode == EditPosition) {
12213 if (gameMode != EditGame) return;
12215 gameMode = EditPosition;
12218 if (currentMove > 0)
12219 CopyBoard(boards[0], boards[currentMove]);
12221 blackPlaysFirst = !WhiteOnMove(currentMove);
12223 currentMove = forwardMostMove = backwardMostMove = 0;
12224 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12231 /* [DM] icsEngineAnalyze - possible call from other functions */
12232 if (appData.icsEngineAnalyze) {
12233 appData.icsEngineAnalyze = FALSE;
12235 DisplayMessage("",_("Close ICS engine analyze..."));
12237 if (first.analysisSupport && first.analyzing) {
12238 SendToProgram("exit\n", &first);
12239 first.analyzing = FALSE;
12241 thinkOutput[0] = NULLCHAR;
12245 EditPositionDone(Boolean fakeRights)
12247 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12249 startedFromSetupPosition = TRUE;
12250 InitChessProgram(&first, FALSE);
12251 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12252 boards[0][EP_STATUS] = EP_NONE;
12253 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12254 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12255 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12256 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12257 } else boards[0][CASTLING][2] = NoRights;
12258 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12259 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12260 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12261 } else boards[0][CASTLING][5] = NoRights;
12263 SendToProgram("force\n", &first);
12264 if (blackPlaysFirst) {
12265 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12266 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12267 currentMove = forwardMostMove = backwardMostMove = 1;
12268 CopyBoard(boards[1], boards[0]);
12270 currentMove = forwardMostMove = backwardMostMove = 0;
12272 SendBoard(&first, forwardMostMove);
12273 if (appData.debugMode) {
12274 fprintf(debugFP, "EditPosDone\n");
12277 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12278 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12279 gameMode = EditGame;
12281 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12282 ClearHighlights(); /* [AS] */
12285 /* Pause for `ms' milliseconds */
12286 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12296 } while (SubtractTimeMarks(&m2, &m1) < ms);
12299 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12301 SendMultiLineToICS(buf)
12304 char temp[MSG_SIZ+1], *p;
12311 strncpy(temp, buf, len);
12316 if (*p == '\n' || *p == '\r')
12321 strcat(temp, "\n");
12323 SendToPlayer(temp, strlen(temp));
12327 SetWhiteToPlayEvent()
12329 if (gameMode == EditPosition) {
12330 blackPlaysFirst = FALSE;
12331 DisplayBothClocks(); /* works because currentMove is 0 */
12332 } else if (gameMode == IcsExamining) {
12333 SendToICS(ics_prefix);
12334 SendToICS("tomove white\n");
12339 SetBlackToPlayEvent()
12341 if (gameMode == EditPosition) {
12342 blackPlaysFirst = TRUE;
12343 currentMove = 1; /* kludge */
12344 DisplayBothClocks();
12346 } else if (gameMode == IcsExamining) {
12347 SendToICS(ics_prefix);
12348 SendToICS("tomove black\n");
12353 EditPositionMenuEvent(selection, x, y)
12354 ChessSquare selection;
12358 ChessSquare piece = boards[0][y][x];
12360 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12362 switch (selection) {
12364 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12365 SendToICS(ics_prefix);
12366 SendToICS("bsetup clear\n");
12367 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12368 SendToICS(ics_prefix);
12369 SendToICS("clearboard\n");
12371 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12372 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12373 for (y = 0; y < BOARD_HEIGHT; y++) {
12374 if (gameMode == IcsExamining) {
12375 if (boards[currentMove][y][x] != EmptySquare) {
12376 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
12381 boards[0][y][x] = p;
12386 if (gameMode == EditPosition) {
12387 DrawPosition(FALSE, boards[0]);
12392 SetWhiteToPlayEvent();
12396 SetBlackToPlayEvent();
12400 if (gameMode == IcsExamining) {
12401 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12402 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12405 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12406 if(x == BOARD_LEFT-2) {
12407 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12408 boards[0][y][1] = 0;
12410 if(x == BOARD_RGHT+1) {
12411 if(y >= gameInfo.holdingsSize) break;
12412 boards[0][y][BOARD_WIDTH-2] = 0;
12415 boards[0][y][x] = EmptySquare;
12416 DrawPosition(FALSE, boards[0]);
12421 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12422 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12423 selection = (ChessSquare) (PROMOTED piece);
12424 } else if(piece == EmptySquare) selection = WhiteSilver;
12425 else selection = (ChessSquare)((int)piece - 1);
12429 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12430 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12431 selection = (ChessSquare) (DEMOTED piece);
12432 } else if(piece == EmptySquare) selection = BlackSilver;
12433 else selection = (ChessSquare)((int)piece + 1);
12438 if(gameInfo.variant == VariantShatranj ||
12439 gameInfo.variant == VariantXiangqi ||
12440 gameInfo.variant == VariantCourier ||
12441 gameInfo.variant == VariantMakruk )
12442 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12447 if(gameInfo.variant == VariantXiangqi)
12448 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12449 if(gameInfo.variant == VariantKnightmate)
12450 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12453 if (gameMode == IcsExamining) {
12454 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12455 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
12456 PieceToChar(selection), AAA + x, ONE + y);
12459 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12461 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12462 n = PieceToNumber(selection - BlackPawn);
12463 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12464 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12465 boards[0][BOARD_HEIGHT-1-n][1]++;
12467 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12468 n = PieceToNumber(selection);
12469 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12470 boards[0][n][BOARD_WIDTH-1] = selection;
12471 boards[0][n][BOARD_WIDTH-2]++;
12474 boards[0][y][x] = selection;
12475 DrawPosition(TRUE, boards[0]);
12483 DropMenuEvent(selection, x, y)
12484 ChessSquare selection;
12487 ChessMove moveType;
12489 switch (gameMode) {
12490 case IcsPlayingWhite:
12491 case MachinePlaysBlack:
12492 if (!WhiteOnMove(currentMove)) {
12493 DisplayMoveError(_("It is Black's turn"));
12496 moveType = WhiteDrop;
12498 case IcsPlayingBlack:
12499 case MachinePlaysWhite:
12500 if (WhiteOnMove(currentMove)) {
12501 DisplayMoveError(_("It is White's turn"));
12504 moveType = BlackDrop;
12507 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12513 if (moveType == BlackDrop && selection < BlackPawn) {
12514 selection = (ChessSquare) ((int) selection
12515 + (int) BlackPawn - (int) WhitePawn);
12517 if (boards[currentMove][y][x] != EmptySquare) {
12518 DisplayMoveError(_("That square is occupied"));
12522 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12528 /* Accept a pending offer of any kind from opponent */
12530 if (appData.icsActive) {
12531 SendToICS(ics_prefix);
12532 SendToICS("accept\n");
12533 } else if (cmailMsgLoaded) {
12534 if (currentMove == cmailOldMove &&
12535 commentList[cmailOldMove] != NULL &&
12536 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12537 "Black offers a draw" : "White offers a draw")) {
12539 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12540 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12542 DisplayError(_("There is no pending offer on this move"), 0);
12543 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12546 /* Not used for offers from chess program */
12553 /* Decline a pending offer of any kind from opponent */
12555 if (appData.icsActive) {
12556 SendToICS(ics_prefix);
12557 SendToICS("decline\n");
12558 } else if (cmailMsgLoaded) {
12559 if (currentMove == cmailOldMove &&
12560 commentList[cmailOldMove] != NULL &&
12561 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12562 "Black offers a draw" : "White offers a draw")) {
12564 AppendComment(cmailOldMove, "Draw declined", TRUE);
12565 DisplayComment(cmailOldMove - 1, "Draw declined");
12568 DisplayError(_("There is no pending offer on this move"), 0);
12571 /* Not used for offers from chess program */
12578 /* Issue ICS rematch command */
12579 if (appData.icsActive) {
12580 SendToICS(ics_prefix);
12581 SendToICS("rematch\n");
12588 /* Call your opponent's flag (claim a win on time) */
12589 if (appData.icsActive) {
12590 SendToICS(ics_prefix);
12591 SendToICS("flag\n");
12593 switch (gameMode) {
12596 case MachinePlaysWhite:
12599 GameEnds(GameIsDrawn, "Both players ran out of time",
12602 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12604 DisplayError(_("Your opponent is not out of time"), 0);
12607 case MachinePlaysBlack:
12610 GameEnds(GameIsDrawn, "Both players ran out of time",
12613 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12615 DisplayError(_("Your opponent is not out of time"), 0);
12625 /* Offer draw or accept pending draw offer from opponent */
12627 if (appData.icsActive) {
12628 /* Note: tournament rules require draw offers to be
12629 made after you make your move but before you punch
12630 your clock. Currently ICS doesn't let you do that;
12631 instead, you immediately punch your clock after making
12632 a move, but you can offer a draw at any time. */
12634 SendToICS(ics_prefix);
12635 SendToICS("draw\n");
12636 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12637 } else if (cmailMsgLoaded) {
12638 if (currentMove == cmailOldMove &&
12639 commentList[cmailOldMove] != NULL &&
12640 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12641 "Black offers a draw" : "White offers a draw")) {
12642 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12643 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12644 } else if (currentMove == cmailOldMove + 1) {
12645 char *offer = WhiteOnMove(cmailOldMove) ?
12646 "White offers a draw" : "Black offers a draw";
12647 AppendComment(currentMove, offer, TRUE);
12648 DisplayComment(currentMove - 1, offer);
12649 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12651 DisplayError(_("You must make your move before offering a draw"), 0);
12652 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12654 } else if (first.offeredDraw) {
12655 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12657 if (first.sendDrawOffers) {
12658 SendToProgram("draw\n", &first);
12659 userOfferedDraw = TRUE;
12667 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12669 if (appData.icsActive) {
12670 SendToICS(ics_prefix);
12671 SendToICS("adjourn\n");
12673 /* Currently GNU Chess doesn't offer or accept Adjourns */
12681 /* Offer Abort or accept pending Abort offer from opponent */
12683 if (appData.icsActive) {
12684 SendToICS(ics_prefix);
12685 SendToICS("abort\n");
12687 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12694 /* Resign. You can do this even if it's not your turn. */
12696 if (appData.icsActive) {
12697 SendToICS(ics_prefix);
12698 SendToICS("resign\n");
12700 switch (gameMode) {
12701 case MachinePlaysWhite:
12702 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12704 case MachinePlaysBlack:
12705 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12708 if (cmailMsgLoaded) {
12710 if (WhiteOnMove(cmailOldMove)) {
12711 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12713 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12715 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12726 StopObservingEvent()
12728 /* Stop observing current games */
12729 SendToICS(ics_prefix);
12730 SendToICS("unobserve\n");
12734 StopExaminingEvent()
12736 /* Stop observing current game */
12737 SendToICS(ics_prefix);
12738 SendToICS("unexamine\n");
12742 ForwardInner(target)
12747 if (appData.debugMode)
12748 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12749 target, currentMove, forwardMostMove);
12751 if (gameMode == EditPosition)
12754 if (gameMode == PlayFromGameFile && !pausing)
12757 if (gameMode == IcsExamining && pausing)
12758 limit = pauseExamForwardMostMove;
12760 limit = forwardMostMove;
12762 if (target > limit) target = limit;
12764 if (target > 0 && moveList[target - 1][0]) {
12765 int fromX, fromY, toX, toY;
12766 toX = moveList[target - 1][2] - AAA;
12767 toY = moveList[target - 1][3] - ONE;
12768 if (moveList[target - 1][1] == '@') {
12769 if (appData.highlightLastMove) {
12770 SetHighlights(-1, -1, toX, toY);
12773 fromX = moveList[target - 1][0] - AAA;
12774 fromY = moveList[target - 1][1] - ONE;
12775 if (target == currentMove + 1) {
12776 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12778 if (appData.highlightLastMove) {
12779 SetHighlights(fromX, fromY, toX, toY);
12783 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12784 gameMode == Training || gameMode == PlayFromGameFile ||
12785 gameMode == AnalyzeFile) {
12786 while (currentMove < target) {
12787 SendMoveToProgram(currentMove++, &first);
12790 currentMove = target;
12793 if (gameMode == EditGame || gameMode == EndOfGame) {
12794 whiteTimeRemaining = timeRemaining[0][currentMove];
12795 blackTimeRemaining = timeRemaining[1][currentMove];
12797 DisplayBothClocks();
12798 DisplayMove(currentMove - 1);
12799 DrawPosition(FALSE, boards[currentMove]);
12800 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12801 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12802 DisplayComment(currentMove - 1, commentList[currentMove]);
12810 if (gameMode == IcsExamining && !pausing) {
12811 SendToICS(ics_prefix);
12812 SendToICS("forward\n");
12814 ForwardInner(currentMove + 1);
12821 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12822 /* to optimze, we temporarily turn off analysis mode while we feed
12823 * the remaining moves to the engine. Otherwise we get analysis output
12826 if (first.analysisSupport) {
12827 SendToProgram("exit\nforce\n", &first);
12828 first.analyzing = FALSE;
12832 if (gameMode == IcsExamining && !pausing) {
12833 SendToICS(ics_prefix);
12834 SendToICS("forward 999999\n");
12836 ForwardInner(forwardMostMove);
12839 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12840 /* we have fed all the moves, so reactivate analysis mode */
12841 SendToProgram("analyze\n", &first);
12842 first.analyzing = TRUE;
12843 /*first.maybeThinking = TRUE;*/
12844 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12849 BackwardInner(target)
12852 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12854 if (appData.debugMode)
12855 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12856 target, currentMove, forwardMostMove);
12858 if (gameMode == EditPosition) return;
12859 if (currentMove <= backwardMostMove) {
12861 DrawPosition(full_redraw, boards[currentMove]);
12864 if (gameMode == PlayFromGameFile && !pausing)
12867 if (moveList[target][0]) {
12868 int fromX, fromY, toX, toY;
12869 toX = moveList[target][2] - AAA;
12870 toY = moveList[target][3] - ONE;
12871 if (moveList[target][1] == '@') {
12872 if (appData.highlightLastMove) {
12873 SetHighlights(-1, -1, toX, toY);
12876 fromX = moveList[target][0] - AAA;
12877 fromY = moveList[target][1] - ONE;
12878 if (target == currentMove - 1) {
12879 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12881 if (appData.highlightLastMove) {
12882 SetHighlights(fromX, fromY, toX, toY);
12886 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12887 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12888 while (currentMove > target) {
12889 SendToProgram("undo\n", &first);
12893 currentMove = target;
12896 if (gameMode == EditGame || gameMode == EndOfGame) {
12897 whiteTimeRemaining = timeRemaining[0][currentMove];
12898 blackTimeRemaining = timeRemaining[1][currentMove];
12900 DisplayBothClocks();
12901 DisplayMove(currentMove - 1);
12902 DrawPosition(full_redraw, boards[currentMove]);
12903 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12904 // [HGM] PV info: routine tests if comment empty
12905 DisplayComment(currentMove - 1, commentList[currentMove]);
12911 if (gameMode == IcsExamining && !pausing) {
12912 SendToICS(ics_prefix);
12913 SendToICS("backward\n");
12915 BackwardInner(currentMove - 1);
12922 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12923 /* to optimize, we temporarily turn off analysis mode while we undo
12924 * all the moves. Otherwise we get analysis output after each undo.
12926 if (first.analysisSupport) {
12927 SendToProgram("exit\nforce\n", &first);
12928 first.analyzing = FALSE;
12932 if (gameMode == IcsExamining && !pausing) {
12933 SendToICS(ics_prefix);
12934 SendToICS("backward 999999\n");
12936 BackwardInner(backwardMostMove);
12939 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12940 /* we have fed all the moves, so reactivate analysis mode */
12941 SendToProgram("analyze\n", &first);
12942 first.analyzing = TRUE;
12943 /*first.maybeThinking = TRUE;*/
12944 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12951 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12952 if (to >= forwardMostMove) to = forwardMostMove;
12953 if (to <= backwardMostMove) to = backwardMostMove;
12954 if (to < currentMove) {
12962 RevertEvent(Boolean annotate)
12964 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12967 if (gameMode != IcsExamining) {
12968 DisplayError(_("You are not examining a game"), 0);
12972 DisplayError(_("You can't revert while pausing"), 0);
12975 SendToICS(ics_prefix);
12976 SendToICS("revert\n");
12982 switch (gameMode) {
12983 case MachinePlaysWhite:
12984 case MachinePlaysBlack:
12985 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12986 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12989 if (forwardMostMove < 2) return;
12990 currentMove = forwardMostMove = forwardMostMove - 2;
12991 whiteTimeRemaining = timeRemaining[0][currentMove];
12992 blackTimeRemaining = timeRemaining[1][currentMove];
12993 DisplayBothClocks();
12994 DisplayMove(currentMove - 1);
12995 ClearHighlights();/*!! could figure this out*/
12996 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12997 SendToProgram("remove\n", &first);
12998 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
13001 case BeginningOfGame:
13005 case IcsPlayingWhite:
13006 case IcsPlayingBlack:
13007 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
13008 SendToICS(ics_prefix);
13009 SendToICS("takeback 2\n");
13011 SendToICS(ics_prefix);
13012 SendToICS("takeback 1\n");
13021 ChessProgramState *cps;
13023 switch (gameMode) {
13024 case MachinePlaysWhite:
13025 if (!WhiteOnMove(forwardMostMove)) {
13026 DisplayError(_("It is your turn"), 0);
13031 case MachinePlaysBlack:
13032 if (WhiteOnMove(forwardMostMove)) {
13033 DisplayError(_("It is your turn"), 0);
13038 case TwoMachinesPlay:
13039 if (WhiteOnMove(forwardMostMove) ==
13040 (first.twoMachinesColor[0] == 'w')) {
13046 case BeginningOfGame:
13050 SendToProgram("?\n", cps);
13054 TruncateGameEvent()
13057 if (gameMode != EditGame) return;
13064 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
13065 if (forwardMostMove > currentMove) {
13066 if (gameInfo.resultDetails != NULL) {
13067 free(gameInfo.resultDetails);
13068 gameInfo.resultDetails = NULL;
13069 gameInfo.result = GameUnfinished;
13071 forwardMostMove = currentMove;
13072 HistorySet(parseList, backwardMostMove, forwardMostMove,
13080 if (appData.noChessProgram) return;
13081 switch (gameMode) {
13082 case MachinePlaysWhite:
13083 if (WhiteOnMove(forwardMostMove)) {
13084 DisplayError(_("Wait until your turn"), 0);
13088 case BeginningOfGame:
13089 case MachinePlaysBlack:
13090 if (!WhiteOnMove(forwardMostMove)) {
13091 DisplayError(_("Wait until your turn"), 0);
13096 DisplayError(_("No hint available"), 0);
13099 SendToProgram("hint\n", &first);
13100 hintRequested = TRUE;
13106 if (appData.noChessProgram) return;
13107 switch (gameMode) {
13108 case MachinePlaysWhite:
13109 if (WhiteOnMove(forwardMostMove)) {
13110 DisplayError(_("Wait until your turn"), 0);
13114 case BeginningOfGame:
13115 case MachinePlaysBlack:
13116 if (!WhiteOnMove(forwardMostMove)) {
13117 DisplayError(_("Wait until your turn"), 0);
13122 EditPositionDone(TRUE);
13124 case TwoMachinesPlay:
13129 SendToProgram("bk\n", &first);
13130 bookOutput[0] = NULLCHAR;
13131 bookRequested = TRUE;
13137 char *tags = PGNTags(&gameInfo);
13138 TagsPopUp(tags, CmailMsg());
13142 /* end button procedures */
13145 PrintPosition(fp, move)
13151 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13152 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13153 char c = PieceToChar(boards[move][i][j]);
13154 fputc(c == 'x' ? '.' : c, fp);
13155 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13158 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13159 fprintf(fp, "white to play\n");
13161 fprintf(fp, "black to play\n");
13168 if (gameInfo.white != NULL) {
13169 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13175 /* Find last component of program's own name, using some heuristics */
13177 TidyProgramName(prog, host, buf)
13178 char *prog, *host, buf[MSG_SIZ];
13181 int local = (strcmp(host, "localhost") == 0);
13182 while (!local && (p = strchr(prog, ';')) != NULL) {
13184 while (*p == ' ') p++;
13187 if (*prog == '"' || *prog == '\'') {
13188 q = strchr(prog + 1, *prog);
13190 q = strchr(prog, ' ');
13192 if (q == NULL) q = prog + strlen(prog);
13194 while (p >= prog && *p != '/' && *p != '\\') p--;
13196 if(p == prog && *p == '"') p++;
13197 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13198 memcpy(buf, p, q - p);
13199 buf[q - p] = NULLCHAR;
13207 TimeControlTagValue()
13210 if (!appData.clockMode) {
13211 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
13212 } else if (movesPerSession > 0) {
13213 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
13214 } else if (timeIncrement == 0) {
13215 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
13217 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13219 return StrSave(buf);
13225 /* This routine is used only for certain modes */
13226 VariantClass v = gameInfo.variant;
13227 ChessMove r = GameUnfinished;
13230 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13231 r = gameInfo.result;
13232 p = gameInfo.resultDetails;
13233 gameInfo.resultDetails = NULL;
13235 ClearGameInfo(&gameInfo);
13236 gameInfo.variant = v;
13238 switch (gameMode) {
13239 case MachinePlaysWhite:
13240 gameInfo.event = StrSave( appData.pgnEventHeader );
13241 gameInfo.site = StrSave(HostName());
13242 gameInfo.date = PGNDate();
13243 gameInfo.round = StrSave("-");
13244 gameInfo.white = StrSave(first.tidy);
13245 gameInfo.black = StrSave(UserName());
13246 gameInfo.timeControl = TimeControlTagValue();
13249 case MachinePlaysBlack:
13250 gameInfo.event = StrSave( appData.pgnEventHeader );
13251 gameInfo.site = StrSave(HostName());
13252 gameInfo.date = PGNDate();
13253 gameInfo.round = StrSave("-");
13254 gameInfo.white = StrSave(UserName());
13255 gameInfo.black = StrSave(first.tidy);
13256 gameInfo.timeControl = TimeControlTagValue();
13259 case TwoMachinesPlay:
13260 gameInfo.event = StrSave( appData.pgnEventHeader );
13261 gameInfo.site = StrSave(HostName());
13262 gameInfo.date = PGNDate();
13263 if (matchGame > 0) {
13265 snprintf(buf, MSG_SIZ, "%d", matchGame);
13266 gameInfo.round = StrSave(buf);
13268 gameInfo.round = StrSave("-");
13270 if (first.twoMachinesColor[0] == 'w') {
13271 gameInfo.white = StrSave(first.tidy);
13272 gameInfo.black = StrSave(second.tidy);
13274 gameInfo.white = StrSave(second.tidy);
13275 gameInfo.black = StrSave(first.tidy);
13277 gameInfo.timeControl = TimeControlTagValue();
13281 gameInfo.event = StrSave("Edited game");
13282 gameInfo.site = StrSave(HostName());
13283 gameInfo.date = PGNDate();
13284 gameInfo.round = StrSave("-");
13285 gameInfo.white = StrSave("-");
13286 gameInfo.black = StrSave("-");
13287 gameInfo.result = r;
13288 gameInfo.resultDetails = p;
13292 gameInfo.event = StrSave("Edited position");
13293 gameInfo.site = StrSave(HostName());
13294 gameInfo.date = PGNDate();
13295 gameInfo.round = StrSave("-");
13296 gameInfo.white = StrSave("-");
13297 gameInfo.black = StrSave("-");
13300 case IcsPlayingWhite:
13301 case IcsPlayingBlack:
13306 case PlayFromGameFile:
13307 gameInfo.event = StrSave("Game from non-PGN file");
13308 gameInfo.site = StrSave(HostName());
13309 gameInfo.date = PGNDate();
13310 gameInfo.round = StrSave("-");
13311 gameInfo.white = StrSave("?");
13312 gameInfo.black = StrSave("?");
13321 ReplaceComment(index, text)
13329 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
13330 pvInfoList[index-1].depth == len &&
13331 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
13332 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
13333 while (*text == '\n') text++;
13334 len = strlen(text);
13335 while (len > 0 && text[len - 1] == '\n') len--;
13337 if (commentList[index] != NULL)
13338 free(commentList[index]);
13341 commentList[index] = NULL;
13344 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13345 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13346 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13347 commentList[index] = (char *) malloc(len + 2);
13348 strncpy(commentList[index], text, len);
13349 commentList[index][len] = '\n';
13350 commentList[index][len + 1] = NULLCHAR;
13352 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13354 commentList[index] = (char *) malloc(len + 7);
13355 safeStrCpy(commentList[index], "{\n", 3);
13356 safeStrCpy(commentList[index]+2, text, len+1);
13357 commentList[index][len+2] = NULLCHAR;
13358 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13359 strcat(commentList[index], "\n}\n");
13373 if (ch == '\r') continue;
13375 } while (ch != '\0');
13379 AppendComment(index, text, addBraces)
13382 Boolean addBraces; // [HGM] braces: tells if we should add {}
13387 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13388 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13391 while (*text == '\n') text++;
13392 len = strlen(text);
13393 while (len > 0 && text[len - 1] == '\n') len--;
13395 if (len == 0) return;
13397 if (commentList[index] != NULL) {
13398 old = commentList[index];
13399 oldlen = strlen(old);
13400 while(commentList[index][oldlen-1] == '\n')
13401 commentList[index][--oldlen] = NULLCHAR;
13402 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13403 safeStrCpy(commentList[index], old, oldlen + len + 6);
13405 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13406 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
13407 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
13408 while (*text == '\n') { text++; len--; }
13409 commentList[index][--oldlen] = NULLCHAR;
13411 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
13412 else strcat(commentList[index], "\n");
13413 strcat(commentList[index], text);
13414 if(addBraces) strcat(commentList[index], addBraces == 2 ? ")\n" : "\n}\n");
13415 else strcat(commentList[index], "\n");
13417 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13419 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
13420 else commentList[index][0] = NULLCHAR;
13421 strcat(commentList[index], text);
13422 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
13423 if(addBraces == TRUE) strcat(commentList[index], "}\n");
13427 static char * FindStr( char * text, char * sub_text )
13429 char * result = strstr( text, sub_text );
13431 if( result != NULL ) {
13432 result += strlen( sub_text );
13438 /* [AS] Try to extract PV info from PGN comment */
13439 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13440 char *GetInfoFromComment( int index, char * text )
13442 char * sep = text, *p;
13444 if( text != NULL && index > 0 ) {
13447 int time = -1, sec = 0, deci;
13448 char * s_eval = FindStr( text, "[%eval " );
13449 char * s_emt = FindStr( text, "[%emt " );
13451 if( s_eval != NULL || s_emt != NULL ) {
13455 if( s_eval != NULL ) {
13456 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13460 if( delim != ']' ) {
13465 if( s_emt != NULL ) {
13470 /* We expect something like: [+|-]nnn.nn/dd */
13473 if(*text != '{') return text; // [HGM] braces: must be normal comment
13475 sep = strchr( text, '/' );
13476 if( sep == NULL || sep < (text+4) ) {
13481 if(p[1] == '(') { // comment starts with PV
13482 p = strchr(p, ')'); // locate end of PV
13483 if(p == NULL || sep < p+5) return text;
13484 // at this point we have something like "{(.*) +0.23/6 ..."
13485 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
13486 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
13487 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
13489 time = -1; sec = -1; deci = -1;
13490 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13491 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13492 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13493 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13497 if( score_lo < 0 || score_lo >= 100 ) {
13501 if(sec >= 0) time = 600*time + 10*sec; else
13502 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13504 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13506 /* [HGM] PV time: now locate end of PV info */
13507 while( *++sep >= '0' && *sep <= '9'); // strip depth
13509 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
13511 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13513 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13514 while(*sep == ' ') sep++;
13525 pvInfoList[index-1].depth = depth;
13526 pvInfoList[index-1].score = score;
13527 pvInfoList[index-1].time = 10*time; // centi-sec
13528 if(*sep == '}') *sep = 0; else *--sep = '{';
13529 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
13535 SendToProgram(message, cps)
13537 ChessProgramState *cps;
13539 int count, outCount, error;
13542 if (cps->pr == NULL) return;
13545 if (appData.debugMode) {
13548 fprintf(debugFP, "%ld >%-6s: %s",
13549 SubtractTimeMarks(&now, &programStartTime),
13550 cps->which, message);
13553 count = strlen(message);
13554 outCount = OutputToProcess(cps->pr, message, count, &error);
13555 if (outCount < count && !exiting
13556 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13557 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), cps->which);
13558 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13559 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13560 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13561 snprintf(buf, MSG_SIZ, "%s program exits in draw position (%s)", cps->which, cps->program);
13563 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13565 gameInfo.resultDetails = StrSave(buf);
13567 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13572 ReceiveFromProgram(isr, closure, message, count, error)
13573 InputSourceRef isr;
13581 ChessProgramState *cps = (ChessProgramState *)closure;
13583 if (isr != cps->isr) return; /* Killed intentionally */
13586 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
13587 cps->which, cps->program);
13588 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13589 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13590 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13591 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13593 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13595 gameInfo.resultDetails = StrSave(buf);
13597 RemoveInputSource(cps->isr);
13598 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13600 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
13601 cps->which, cps->program);
13602 RemoveInputSource(cps->isr);
13604 /* [AS] Program is misbehaving badly... kill it */
13605 if( count == -2 ) {
13606 DestroyChildProcess( cps->pr, 9 );
13610 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13615 if ((end_str = strchr(message, '\r')) != NULL)
13616 *end_str = NULLCHAR;
13617 if ((end_str = strchr(message, '\n')) != NULL)
13618 *end_str = NULLCHAR;
13620 if (appData.debugMode) {
13621 TimeMark now; int print = 1;
13622 char *quote = ""; char c; int i;
13624 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13625 char start = message[0];
13626 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13627 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13628 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13629 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13630 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13631 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13632 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13633 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
13634 sscanf(message, "hint: %c", &c)!=1 &&
13635 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13636 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13637 print = (appData.engineComments >= 2);
13639 message[0] = start; // restore original message
13643 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13644 SubtractTimeMarks(&now, &programStartTime), cps->which,
13650 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13651 if (appData.icsEngineAnalyze) {
13652 if (strstr(message, "whisper") != NULL ||
13653 strstr(message, "kibitz") != NULL ||
13654 strstr(message, "tellics") != NULL) return;
13657 HandleMachineMove(message, cps);
13662 SendTimeControl(cps, mps, tc, inc, sd, st)
13663 ChessProgramState *cps;
13664 int mps, inc, sd, st;
13670 if( timeControl_2 > 0 ) {
13671 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13672 tc = timeControl_2;
13675 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13676 inc /= cps->timeOdds;
13677 st /= cps->timeOdds;
13679 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13682 /* Set exact time per move, normally using st command */
13683 if (cps->stKludge) {
13684 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13686 if (seconds == 0) {
13687 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
13689 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
13692 snprintf(buf, MSG_SIZ, "st %d\n", st);
13695 /* Set conventional or incremental time control, using level command */
13696 if (seconds == 0) {
13697 /* Note old gnuchess bug -- minutes:seconds used to not work.
13698 Fixed in later versions, but still avoid :seconds
13699 when seconds is 0. */
13700 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
13702 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
13703 seconds, inc/1000.);
13706 SendToProgram(buf, cps);
13708 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13709 /* Orthogonally, limit search to given depth */
13711 if (cps->sdKludge) {
13712 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
13714 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
13716 SendToProgram(buf, cps);
13719 if(cps->nps > 0) { /* [HGM] nps */
13720 if(cps->supportsNPS == FALSE)
13721 cps->nps = -1; // don't use if engine explicitly says not supported!
13723 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
13724 SendToProgram(buf, cps);
13729 ChessProgramState *WhitePlayer()
13730 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13732 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13733 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13739 SendTimeRemaining(cps, machineWhite)
13740 ChessProgramState *cps;
13741 int /*boolean*/ machineWhite;
13743 char message[MSG_SIZ];
13746 /* Note: this routine must be called when the clocks are stopped
13747 or when they have *just* been set or switched; otherwise
13748 it will be off by the time since the current tick started.
13750 if (machineWhite) {
13751 time = whiteTimeRemaining / 10;
13752 otime = blackTimeRemaining / 10;
13754 time = blackTimeRemaining / 10;
13755 otime = whiteTimeRemaining / 10;
13757 /* [HGM] translate opponent's time by time-odds factor */
13758 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13759 if (appData.debugMode) {
13760 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13763 if (time <= 0) time = 1;
13764 if (otime <= 0) otime = 1;
13766 snprintf(message, MSG_SIZ, "time %ld\n", time);
13767 SendToProgram(message, cps);
13769 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
13770 SendToProgram(message, cps);
13774 BoolFeature(p, name, loc, cps)
13778 ChessProgramState *cps;
13781 int len = strlen(name);
13784 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13786 sscanf(*p, "%d", &val);
13788 while (**p && **p != ' ')
13790 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13791 SendToProgram(buf, cps);
13798 IntFeature(p, name, loc, cps)
13802 ChessProgramState *cps;
13805 int len = strlen(name);
13806 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13808 sscanf(*p, "%d", loc);
13809 while (**p && **p != ' ') (*p)++;
13810 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13811 SendToProgram(buf, cps);
13818 StringFeature(p, name, loc, cps)
13822 ChessProgramState *cps;
13825 int len = strlen(name);
13826 if (strncmp((*p), name, len) == 0
13827 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13829 sscanf(*p, "%[^\"]", loc);
13830 while (**p && **p != '\"') (*p)++;
13831 if (**p == '\"') (*p)++;
13832 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13833 SendToProgram(buf, cps);
13840 ParseOption(Option *opt, ChessProgramState *cps)
13841 // [HGM] options: process the string that defines an engine option, and determine
13842 // name, type, default value, and allowed value range
13844 char *p, *q, buf[MSG_SIZ];
13845 int n, min = (-1)<<31, max = 1<<31, def;
13847 if(p = strstr(opt->name, " -spin ")) {
13848 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13849 if(max < min) max = min; // enforce consistency
13850 if(def < min) def = min;
13851 if(def > max) def = max;
13856 } else if((p = strstr(opt->name, " -slider "))) {
13857 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13858 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13859 if(max < min) max = min; // enforce consistency
13860 if(def < min) def = min;
13861 if(def > max) def = max;
13865 opt->type = Spin; // Slider;
13866 } else if((p = strstr(opt->name, " -string "))) {
13867 opt->textValue = p+9;
13868 opt->type = TextBox;
13869 } else if((p = strstr(opt->name, " -file "))) {
13870 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13871 opt->textValue = p+7;
13872 opt->type = TextBox; // FileName;
13873 } else if((p = strstr(opt->name, " -path "))) {
13874 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13875 opt->textValue = p+7;
13876 opt->type = TextBox; // PathName;
13877 } else if(p = strstr(opt->name, " -check ")) {
13878 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13879 opt->value = (def != 0);
13880 opt->type = CheckBox;
13881 } else if(p = strstr(opt->name, " -combo ")) {
13882 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13883 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13884 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13885 opt->value = n = 0;
13886 while(q = StrStr(q, " /// ")) {
13887 n++; *q = 0; // count choices, and null-terminate each of them
13889 if(*q == '*') { // remember default, which is marked with * prefix
13893 cps->comboList[cps->comboCnt++] = q;
13895 cps->comboList[cps->comboCnt++] = NULL;
13897 opt->type = ComboBox;
13898 } else if(p = strstr(opt->name, " -button")) {
13899 opt->type = Button;
13900 } else if(p = strstr(opt->name, " -save")) {
13901 opt->type = SaveButton;
13902 } else return FALSE;
13903 *p = 0; // terminate option name
13904 // now look if the command-line options define a setting for this engine option.
13905 if(cps->optionSettings && cps->optionSettings[0])
13906 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13907 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13908 snprintf(buf, MSG_SIZ, "option %s", p);
13909 if(p = strstr(buf, ",")) *p = 0;
13910 if(q = strchr(buf, '=')) switch(opt->type) {
13912 for(n=0; n<opt->max; n++)
13913 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
13916 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
13920 opt->value = atoi(q+1);
13925 SendToProgram(buf, cps);
13931 FeatureDone(cps, val)
13932 ChessProgramState* cps;
13935 DelayedEventCallback cb = GetDelayedEvent();
13936 if ((cb == InitBackEnd3 && cps == &first) ||
13937 (cb == SettingsMenuIfReady && cps == &second) ||
13938 (cb == TwoMachinesEventIfReady && cps == &second)) {
13939 CancelDelayedEvent();
13940 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13942 cps->initDone = val;
13945 /* Parse feature command from engine */
13947 ParseFeatures(args, cps)
13949 ChessProgramState *cps;
13957 while (*p == ' ') p++;
13958 if (*p == NULLCHAR) return;
13960 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13961 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13962 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13963 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13964 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13965 if (BoolFeature(&p, "reuse", &val, cps)) {
13966 /* Engine can disable reuse, but can't enable it if user said no */
13967 if (!val) cps->reuse = FALSE;
13970 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13971 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13972 if (gameMode == TwoMachinesPlay) {
13973 DisplayTwoMachinesTitle();
13979 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13980 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13981 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13982 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13983 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13984 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13985 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13986 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13987 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13988 if (IntFeature(&p, "done", &val, cps)) {
13989 FeatureDone(cps, val);
13992 /* Added by Tord: */
13993 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13994 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13995 /* End of additions by Tord */
13997 /* [HGM] added features: */
13998 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13999 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
14000 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
14001 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
14002 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
14003 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
14004 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
14005 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
14006 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
14007 SendToProgram(buf, cps);
14010 if(cps->nrOptions >= MAX_OPTIONS) {
14012 snprintf(buf, MSG_SIZ, "%s engine has too many options\n", cps->which);
14013 DisplayError(buf, 0);
14017 /* End of additions by HGM */
14019 /* unknown feature: complain and skip */
14021 while (*q && *q != '=') q++;
14022 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
14023 SendToProgram(buf, cps);
14029 while (*p && *p != '\"') p++;
14030 if (*p == '\"') p++;
14032 while (*p && *p != ' ') p++;
14040 PeriodicUpdatesEvent(newState)
14043 if (newState == appData.periodicUpdates)
14046 appData.periodicUpdates=newState;
14048 /* Display type changes, so update it now */
14049 // DisplayAnalysis();
14051 /* Get the ball rolling again... */
14053 AnalysisPeriodicEvent(1);
14054 StartAnalysisClock();
14059 PonderNextMoveEvent(newState)
14062 if (newState == appData.ponderNextMove) return;
14063 if (gameMode == EditPosition) EditPositionDone(TRUE);
14065 SendToProgram("hard\n", &first);
14066 if (gameMode == TwoMachinesPlay) {
14067 SendToProgram("hard\n", &second);
14070 SendToProgram("easy\n", &first);
14071 thinkOutput[0] = NULLCHAR;
14072 if (gameMode == TwoMachinesPlay) {
14073 SendToProgram("easy\n", &second);
14076 appData.ponderNextMove = newState;
14080 NewSettingEvent(option, feature, command, value)
14082 int option, value, *feature;
14086 if (gameMode == EditPosition) EditPositionDone(TRUE);
14087 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
14088 if(feature == NULL || *feature) SendToProgram(buf, &first);
14089 if (gameMode == TwoMachinesPlay) {
14090 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
14095 ShowThinkingEvent()
14096 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
14098 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
14099 int newState = appData.showThinking
14100 // [HGM] thinking: other features now need thinking output as well
14101 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
14103 if (oldState == newState) return;
14104 oldState = newState;
14105 if (gameMode == EditPosition) EditPositionDone(TRUE);
14107 SendToProgram("post\n", &first);
14108 if (gameMode == TwoMachinesPlay) {
14109 SendToProgram("post\n", &second);
14112 SendToProgram("nopost\n", &first);
14113 thinkOutput[0] = NULLCHAR;
14114 if (gameMode == TwoMachinesPlay) {
14115 SendToProgram("nopost\n", &second);
14118 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
14122 AskQuestionEvent(title, question, replyPrefix, which)
14123 char *title; char *question; char *replyPrefix; char *which;
14125 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
14126 if (pr == NoProc) return;
14127 AskQuestion(title, question, replyPrefix, pr);
14131 DisplayMove(moveNumber)
14134 char message[MSG_SIZ];
14136 char cpThinkOutput[MSG_SIZ];
14138 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
14140 if (moveNumber == forwardMostMove - 1 ||
14141 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14143 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
14145 if (strchr(cpThinkOutput, '\n')) {
14146 *strchr(cpThinkOutput, '\n') = NULLCHAR;
14149 *cpThinkOutput = NULLCHAR;
14152 /* [AS] Hide thinking from human user */
14153 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
14154 *cpThinkOutput = NULLCHAR;
14155 if( thinkOutput[0] != NULLCHAR ) {
14158 for( i=0; i<=hiddenThinkOutputState; i++ ) {
14159 cpThinkOutput[i] = '.';
14161 cpThinkOutput[i] = NULLCHAR;
14162 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14166 if (moveNumber == forwardMostMove - 1 &&
14167 gameInfo.resultDetails != NULL) {
14168 if (gameInfo.resultDetails[0] == NULLCHAR) {
14169 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
14171 snprintf(res, MSG_SIZ, " {%s} %s",
14172 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
14178 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14179 DisplayMessage(res, cpThinkOutput);
14181 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
14182 WhiteOnMove(moveNumber) ? " " : ".. ",
14183 parseList[moveNumber], res);
14184 DisplayMessage(message, cpThinkOutput);
14189 DisplayComment(moveNumber, text)
14193 char title[MSG_SIZ];
14194 char buf[8000]; // comment can be long!
14197 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14198 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
14200 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
14201 WhiteOnMove(moveNumber) ? " " : ".. ",
14202 parseList[moveNumber]);
14204 // [HGM] PV info: display PV info together with (or as) comment
14205 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14206 if(text == NULL) text = "";
14207 score = pvInfoList[moveNumber].score;
14208 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14209 depth, (pvInfoList[moveNumber].time+50)/100, text);
14212 if (text != NULL && (appData.autoDisplayComment || commentUp))
14213 CommentPopUp(title, text);
14216 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14217 * might be busy thinking or pondering. It can be omitted if your
14218 * gnuchess is configured to stop thinking immediately on any user
14219 * input. However, that gnuchess feature depends on the FIONREAD
14220 * ioctl, which does not work properly on some flavors of Unix.
14224 ChessProgramState *cps;
14227 if (!cps->useSigint) return;
14228 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14229 switch (gameMode) {
14230 case MachinePlaysWhite:
14231 case MachinePlaysBlack:
14232 case TwoMachinesPlay:
14233 case IcsPlayingWhite:
14234 case IcsPlayingBlack:
14237 /* Skip if we know it isn't thinking */
14238 if (!cps->maybeThinking) return;
14239 if (appData.debugMode)
14240 fprintf(debugFP, "Interrupting %s\n", cps->which);
14241 InterruptChildProcess(cps->pr);
14242 cps->maybeThinking = FALSE;
14247 #endif /*ATTENTION*/
14253 if (whiteTimeRemaining <= 0) {
14256 if (appData.icsActive) {
14257 if (appData.autoCallFlag &&
14258 gameMode == IcsPlayingBlack && !blackFlag) {
14259 SendToICS(ics_prefix);
14260 SendToICS("flag\n");
14264 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14266 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14267 if (appData.autoCallFlag) {
14268 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14275 if (blackTimeRemaining <= 0) {
14278 if (appData.icsActive) {
14279 if (appData.autoCallFlag &&
14280 gameMode == IcsPlayingWhite && !whiteFlag) {
14281 SendToICS(ics_prefix);
14282 SendToICS("flag\n");
14286 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14288 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14289 if (appData.autoCallFlag) {
14290 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14303 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14304 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14307 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14309 if ( !WhiteOnMove(forwardMostMove) ) {
14310 /* White made time control */
14311 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
14312 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
14313 /* [HGM] time odds: correct new time quota for time odds! */
14314 / WhitePlayer()->timeOdds;
14315 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
14317 lastBlack -= blackTimeRemaining;
14318 /* Black made time control */
14319 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
14320 / WhitePlayer()->other->timeOdds;
14321 lastWhite = whiteTimeRemaining;
14326 DisplayBothClocks()
14328 int wom = gameMode == EditPosition ?
14329 !blackPlaysFirst : WhiteOnMove(currentMove);
14330 DisplayWhiteClock(whiteTimeRemaining, wom);
14331 DisplayBlackClock(blackTimeRemaining, !wom);
14335 /* Timekeeping seems to be a portability nightmare. I think everyone
14336 has ftime(), but I'm really not sure, so I'm including some ifdefs
14337 to use other calls if you don't. Clocks will be less accurate if
14338 you have neither ftime nor gettimeofday.
14341 /* VS 2008 requires the #include outside of the function */
14342 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14343 #include <sys/timeb.h>
14346 /* Get the current time as a TimeMark */
14351 #if HAVE_GETTIMEOFDAY
14353 struct timeval timeVal;
14354 struct timezone timeZone;
14356 gettimeofday(&timeVal, &timeZone);
14357 tm->sec = (long) timeVal.tv_sec;
14358 tm->ms = (int) (timeVal.tv_usec / 1000L);
14360 #else /*!HAVE_GETTIMEOFDAY*/
14363 // include <sys/timeb.h> / moved to just above start of function
14364 struct timeb timeB;
14367 tm->sec = (long) timeB.time;
14368 tm->ms = (int) timeB.millitm;
14370 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14371 tm->sec = (long) time(NULL);
14377 /* Return the difference in milliseconds between two
14378 time marks. We assume the difference will fit in a long!
14381 SubtractTimeMarks(tm2, tm1)
14382 TimeMark *tm2, *tm1;
14384 return 1000L*(tm2->sec - tm1->sec) +
14385 (long) (tm2->ms - tm1->ms);
14390 * Code to manage the game clocks.
14392 * In tournament play, black starts the clock and then white makes a move.
14393 * We give the human user a slight advantage if he is playing white---the
14394 * clocks don't run until he makes his first move, so it takes zero time.
14395 * Also, we don't account for network lag, so we could get out of sync
14396 * with GNU Chess's clock -- but then, referees are always right.
14399 static TimeMark tickStartTM;
14400 static long intendedTickLength;
14403 NextTickLength(timeRemaining)
14404 long timeRemaining;
14406 long nominalTickLength, nextTickLength;
14408 if (timeRemaining > 0L && timeRemaining <= 10000L)
14409 nominalTickLength = 100L;
14411 nominalTickLength = 1000L;
14412 nextTickLength = timeRemaining % nominalTickLength;
14413 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14415 return nextTickLength;
14418 /* Adjust clock one minute up or down */
14420 AdjustClock(Boolean which, int dir)
14422 if(which) blackTimeRemaining += 60000*dir;
14423 else whiteTimeRemaining += 60000*dir;
14424 DisplayBothClocks();
14427 /* Stop clocks and reset to a fresh time control */
14431 (void) StopClockTimer();
14432 if (appData.icsActive) {
14433 whiteTimeRemaining = blackTimeRemaining = 0;
14434 } else if (searchTime) {
14435 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14436 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14437 } else { /* [HGM] correct new time quote for time odds */
14438 whiteTC = blackTC = fullTimeControlString;
14439 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
14440 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
14442 if (whiteFlag || blackFlag) {
14444 whiteFlag = blackFlag = FALSE;
14446 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
14447 DisplayBothClocks();
14450 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14452 /* Decrement running clock by amount of time that has passed */
14456 long timeRemaining;
14457 long lastTickLength, fudge;
14460 if (!appData.clockMode) return;
14461 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14465 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14467 /* Fudge if we woke up a little too soon */
14468 fudge = intendedTickLength - lastTickLength;
14469 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14471 if (WhiteOnMove(forwardMostMove)) {
14472 if(whiteNPS >= 0) lastTickLength = 0;
14473 timeRemaining = whiteTimeRemaining -= lastTickLength;
14474 if(timeRemaining < 0 && !appData.icsActive) {
14475 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
14476 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
14477 whiteStartMove = forwardMostMove; whiteTC = nextSession;
14478 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
14481 DisplayWhiteClock(whiteTimeRemaining - fudge,
14482 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14484 if(blackNPS >= 0) lastTickLength = 0;
14485 timeRemaining = blackTimeRemaining -= lastTickLength;
14486 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
14487 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
14489 blackStartMove = forwardMostMove;
14490 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
14493 DisplayBlackClock(blackTimeRemaining - fudge,
14494 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14496 if (CheckFlags()) return;
14499 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14500 StartClockTimer(intendedTickLength);
14502 /* if the time remaining has fallen below the alarm threshold, sound the
14503 * alarm. if the alarm has sounded and (due to a takeback or time control
14504 * with increment) the time remaining has increased to a level above the
14505 * threshold, reset the alarm so it can sound again.
14508 if (appData.icsActive && appData.icsAlarm) {
14510 /* make sure we are dealing with the user's clock */
14511 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14512 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14515 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14516 alarmSounded = FALSE;
14517 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14519 alarmSounded = TRUE;
14525 /* A player has just moved, so stop the previously running
14526 clock and (if in clock mode) start the other one.
14527 We redisplay both clocks in case we're in ICS mode, because
14528 ICS gives us an update to both clocks after every move.
14529 Note that this routine is called *after* forwardMostMove
14530 is updated, so the last fractional tick must be subtracted
14531 from the color that is *not* on move now.
14534 SwitchClocks(int newMoveNr)
14536 long lastTickLength;
14538 int flagged = FALSE;
14542 if (StopClockTimer() && appData.clockMode) {
14543 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14544 if (!WhiteOnMove(forwardMostMove)) {
14545 if(blackNPS >= 0) lastTickLength = 0;
14546 blackTimeRemaining -= lastTickLength;
14547 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14548 // if(pvInfoList[forwardMostMove-1].time == -1)
14549 pvInfoList[forwardMostMove-1].time = // use GUI time
14550 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14552 if(whiteNPS >= 0) lastTickLength = 0;
14553 whiteTimeRemaining -= lastTickLength;
14554 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14555 // if(pvInfoList[forwardMostMove-1].time == -1)
14556 pvInfoList[forwardMostMove-1].time =
14557 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14559 flagged = CheckFlags();
14561 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14562 CheckTimeControl();
14564 if (flagged || !appData.clockMode) return;
14566 switch (gameMode) {
14567 case MachinePlaysBlack:
14568 case MachinePlaysWhite:
14569 case BeginningOfGame:
14570 if (pausing) return;
14574 case PlayFromGameFile:
14582 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14583 if(WhiteOnMove(forwardMostMove))
14584 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14585 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14589 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14590 whiteTimeRemaining : blackTimeRemaining);
14591 StartClockTimer(intendedTickLength);
14595 /* Stop both clocks */
14599 long lastTickLength;
14602 if (!StopClockTimer()) return;
14603 if (!appData.clockMode) return;
14607 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14608 if (WhiteOnMove(forwardMostMove)) {
14609 if(whiteNPS >= 0) lastTickLength = 0;
14610 whiteTimeRemaining -= lastTickLength;
14611 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14613 if(blackNPS >= 0) lastTickLength = 0;
14614 blackTimeRemaining -= lastTickLength;
14615 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14620 /* Start clock of player on move. Time may have been reset, so
14621 if clock is already running, stop and restart it. */
14625 (void) StopClockTimer(); /* in case it was running already */
14626 DisplayBothClocks();
14627 if (CheckFlags()) return;
14629 if (!appData.clockMode) return;
14630 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14632 GetTimeMark(&tickStartTM);
14633 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14634 whiteTimeRemaining : blackTimeRemaining);
14636 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14637 whiteNPS = blackNPS = -1;
14638 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14639 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14640 whiteNPS = first.nps;
14641 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14642 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14643 blackNPS = first.nps;
14644 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14645 whiteNPS = second.nps;
14646 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14647 blackNPS = second.nps;
14648 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14650 StartClockTimer(intendedTickLength);
14657 long second, minute, hour, day;
14659 static char buf[32];
14661 if (ms > 0 && ms <= 9900) {
14662 /* convert milliseconds to tenths, rounding up */
14663 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14665 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
14669 /* convert milliseconds to seconds, rounding up */
14670 /* use floating point to avoid strangeness of integer division
14671 with negative dividends on many machines */
14672 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14679 day = second / (60 * 60 * 24);
14680 second = second % (60 * 60 * 24);
14681 hour = second / (60 * 60);
14682 second = second % (60 * 60);
14683 minute = second / 60;
14684 second = second % 60;
14687 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
14688 sign, day, hour, minute, second);
14690 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14692 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
14699 * This is necessary because some C libraries aren't ANSI C compliant yet.
14702 StrStr(string, match)
14703 char *string, *match;
14707 length = strlen(match);
14709 for (i = strlen(string) - length; i >= 0; i--, string++)
14710 if (!strncmp(match, string, length))
14717 StrCaseStr(string, match)
14718 char *string, *match;
14722 length = strlen(match);
14724 for (i = strlen(string) - length; i >= 0; i--, string++) {
14725 for (j = 0; j < length; j++) {
14726 if (ToLower(match[j]) != ToLower(string[j]))
14729 if (j == length) return string;
14743 c1 = ToLower(*s1++);
14744 c2 = ToLower(*s2++);
14745 if (c1 > c2) return 1;
14746 if (c1 < c2) return -1;
14747 if (c1 == NULLCHAR) return 0;
14756 return isupper(c) ? tolower(c) : c;
14764 return islower(c) ? toupper(c) : c;
14766 #endif /* !_amigados */
14774 if ((ret = (char *) malloc(strlen(s) + 1)))
14776 safeStrCpy(ret, s, strlen(s)+1);
14782 StrSavePtr(s, savePtr)
14783 char *s, **savePtr;
14788 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14789 safeStrCpy(*savePtr, s, strlen(s)+1);
14801 clock = time((time_t *)NULL);
14802 tm = localtime(&clock);
14803 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
14804 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14805 return StrSave(buf);
14810 PositionToFEN(move, overrideCastling)
14812 char *overrideCastling;
14814 int i, j, fromX, fromY, toX, toY;
14821 whiteToPlay = (gameMode == EditPosition) ?
14822 !blackPlaysFirst : (move % 2 == 0);
14825 /* Piece placement data */
14826 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14828 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14829 if (boards[move][i][j] == EmptySquare) {
14831 } else { ChessSquare piece = boards[move][i][j];
14832 if (emptycount > 0) {
14833 if(emptycount<10) /* [HGM] can be >= 10 */
14834 *p++ = '0' + emptycount;
14835 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14838 if(PieceToChar(piece) == '+') {
14839 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14841 piece = (ChessSquare)(DEMOTED piece);
14843 *p++ = PieceToChar(piece);
14845 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14846 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14851 if (emptycount > 0) {
14852 if(emptycount<10) /* [HGM] can be >= 10 */
14853 *p++ = '0' + emptycount;
14854 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14861 /* [HGM] print Crazyhouse or Shogi holdings */
14862 if( gameInfo.holdingsWidth ) {
14863 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14865 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14866 piece = boards[move][i][BOARD_WIDTH-1];
14867 if( piece != EmptySquare )
14868 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14869 *p++ = PieceToChar(piece);
14871 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14872 piece = boards[move][BOARD_HEIGHT-i-1][0];
14873 if( piece != EmptySquare )
14874 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14875 *p++ = PieceToChar(piece);
14878 if( q == p ) *p++ = '-';
14884 *p++ = whiteToPlay ? 'w' : 'b';
14887 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14888 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14890 if(nrCastlingRights) {
14892 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14893 /* [HGM] write directly from rights */
14894 if(boards[move][CASTLING][2] != NoRights &&
14895 boards[move][CASTLING][0] != NoRights )
14896 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14897 if(boards[move][CASTLING][2] != NoRights &&
14898 boards[move][CASTLING][1] != NoRights )
14899 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14900 if(boards[move][CASTLING][5] != NoRights &&
14901 boards[move][CASTLING][3] != NoRights )
14902 *p++ = boards[move][CASTLING][3] + AAA;
14903 if(boards[move][CASTLING][5] != NoRights &&
14904 boards[move][CASTLING][4] != NoRights )
14905 *p++ = boards[move][CASTLING][4] + AAA;
14908 /* [HGM] write true castling rights */
14909 if( nrCastlingRights == 6 ) {
14910 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14911 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14912 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14913 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14914 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14915 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14916 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14917 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14920 if (q == p) *p++ = '-'; /* No castling rights */
14924 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14925 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14926 /* En passant target square */
14927 if (move > backwardMostMove) {
14928 fromX = moveList[move - 1][0] - AAA;
14929 fromY = moveList[move - 1][1] - ONE;
14930 toX = moveList[move - 1][2] - AAA;
14931 toY = moveList[move - 1][3] - ONE;
14932 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14933 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14934 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14936 /* 2-square pawn move just happened */
14938 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14942 } else if(move == backwardMostMove) {
14943 // [HGM] perhaps we should always do it like this, and forget the above?
14944 if((signed char)boards[move][EP_STATUS] >= 0) {
14945 *p++ = boards[move][EP_STATUS] + AAA;
14946 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14957 /* [HGM] find reversible plies */
14958 { int i = 0, j=move;
14960 if (appData.debugMode) { int k;
14961 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14962 for(k=backwardMostMove; k<=forwardMostMove; k++)
14963 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14967 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14968 if( j == backwardMostMove ) i += initialRulePlies;
14969 sprintf(p, "%d ", i);
14970 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14972 /* Fullmove number */
14973 sprintf(p, "%d", (move / 2) + 1);
14975 return StrSave(buf);
14979 ParseFEN(board, blackPlaysFirst, fen)
14981 int *blackPlaysFirst;
14991 /* [HGM] by default clear Crazyhouse holdings, if present */
14992 if(gameInfo.holdingsWidth) {
14993 for(i=0; i<BOARD_HEIGHT; i++) {
14994 board[i][0] = EmptySquare; /* black holdings */
14995 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14996 board[i][1] = (ChessSquare) 0; /* black counts */
14997 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
15001 /* Piece placement data */
15002 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15005 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
15006 if (*p == '/') p++;
15007 emptycount = gameInfo.boardWidth - j;
15008 while (emptycount--)
15009 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15011 #if(BOARD_FILES >= 10)
15012 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
15013 p++; emptycount=10;
15014 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15015 while (emptycount--)
15016 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15018 } else if (isdigit(*p)) {
15019 emptycount = *p++ - '0';
15020 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
15021 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15022 while (emptycount--)
15023 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15024 } else if (*p == '+' || isalpha(*p)) {
15025 if (j >= gameInfo.boardWidth) return FALSE;
15027 piece = CharToPiece(*++p);
15028 if(piece == EmptySquare) return FALSE; /* unknown piece */
15029 piece = (ChessSquare) (PROMOTED piece ); p++;
15030 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
15031 } else piece = CharToPiece(*p++);
15033 if(piece==EmptySquare) return FALSE; /* unknown piece */
15034 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
15035 piece = (ChessSquare) (PROMOTED piece);
15036 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
15039 board[i][(j++)+gameInfo.holdingsWidth] = piece;
15045 while (*p == '/' || *p == ' ') p++;
15047 /* [HGM] look for Crazyhouse holdings here */
15048 while(*p==' ') p++;
15049 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
15051 if(*p == '-' ) p++; /* empty holdings */ else {
15052 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
15053 /* if we would allow FEN reading to set board size, we would */
15054 /* have to add holdings and shift the board read so far here */
15055 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
15057 if((int) piece >= (int) BlackPawn ) {
15058 i = (int)piece - (int)BlackPawn;
15059 i = PieceToNumber((ChessSquare)i);
15060 if( i >= gameInfo.holdingsSize ) return FALSE;
15061 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
15062 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
15064 i = (int)piece - (int)WhitePawn;
15065 i = PieceToNumber((ChessSquare)i);
15066 if( i >= gameInfo.holdingsSize ) return FALSE;
15067 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
15068 board[i][BOARD_WIDTH-2]++; /* black holdings */
15075 while(*p == ' ') p++;
15079 if(appData.colorNickNames) {
15080 if( c == appData.colorNickNames[0] ) c = 'w'; else
15081 if( c == appData.colorNickNames[1] ) c = 'b';
15085 *blackPlaysFirst = FALSE;
15088 *blackPlaysFirst = TRUE;
15094 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
15095 /* return the extra info in global variiables */
15097 /* set defaults in case FEN is incomplete */
15098 board[EP_STATUS] = EP_UNKNOWN;
15099 for(i=0; i<nrCastlingRights; i++ ) {
15100 board[CASTLING][i] =
15101 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
15102 } /* assume possible unless obviously impossible */
15103 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
15104 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
15105 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
15106 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
15107 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
15108 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
15109 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
15110 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
15113 while(*p==' ') p++;
15114 if(nrCastlingRights) {
15115 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
15116 /* castling indicator present, so default becomes no castlings */
15117 for(i=0; i<nrCastlingRights; i++ ) {
15118 board[CASTLING][i] = NoRights;
15121 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
15122 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
15123 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
15124 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
15125 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
15127 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
15128 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
15129 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
15131 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
15132 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
15133 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
15134 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
15135 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
15136 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
15139 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
15140 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
15141 board[CASTLING][2] = whiteKingFile;
15144 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
15145 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
15146 board[CASTLING][2] = whiteKingFile;
15149 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
15150 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
15151 board[CASTLING][5] = blackKingFile;
15154 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
15155 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
15156 board[CASTLING][5] = blackKingFile;
15159 default: /* FRC castlings */
15160 if(c >= 'a') { /* black rights */
15161 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15162 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
15163 if(i == BOARD_RGHT) break;
15164 board[CASTLING][5] = i;
15166 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
15167 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
15169 board[CASTLING][3] = c;
15171 board[CASTLING][4] = c;
15172 } else { /* white rights */
15173 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15174 if(board[0][i] == WhiteKing) break;
15175 if(i == BOARD_RGHT) break;
15176 board[CASTLING][2] = i;
15177 c -= AAA - 'a' + 'A';
15178 if(board[0][c] >= WhiteKing) break;
15180 board[CASTLING][0] = c;
15182 board[CASTLING][1] = c;
15186 for(i=0; i<nrCastlingRights; i++)
15187 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15188 if (appData.debugMode) {
15189 fprintf(debugFP, "FEN castling rights:");
15190 for(i=0; i<nrCastlingRights; i++)
15191 fprintf(debugFP, " %d", board[CASTLING][i]);
15192 fprintf(debugFP, "\n");
15195 while(*p==' ') p++;
15198 /* read e.p. field in games that know e.p. capture */
15199 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15200 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15202 p++; board[EP_STATUS] = EP_NONE;
15204 char c = *p++ - AAA;
15206 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
15207 if(*p >= '0' && *p <='9') p++;
15208 board[EP_STATUS] = c;
15213 if(sscanf(p, "%d", &i) == 1) {
15214 FENrulePlies = i; /* 50-move ply counter */
15215 /* (The move number is still ignored) */
15222 EditPositionPasteFEN(char *fen)
15225 Board initial_position;
15227 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15228 DisplayError(_("Bad FEN position in clipboard"), 0);
15231 int savedBlackPlaysFirst = blackPlaysFirst;
15232 EditPositionEvent();
15233 blackPlaysFirst = savedBlackPlaysFirst;
15234 CopyBoard(boards[0], initial_position);
15235 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15236 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15237 DisplayBothClocks();
15238 DrawPosition(FALSE, boards[currentMove]);
15243 static char cseq[12] = "\\ ";
15245 Boolean set_cont_sequence(char *new_seq)
15250 // handle bad attempts to set the sequence
15252 return 0; // acceptable error - no debug
15254 len = strlen(new_seq);
15255 ret = (len > 0) && (len < sizeof(cseq));
15257 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
15258 else if (appData.debugMode)
15259 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15264 reformat a source message so words don't cross the width boundary. internal
15265 newlines are not removed. returns the wrapped size (no null character unless
15266 included in source message). If dest is NULL, only calculate the size required
15267 for the dest buffer. lp argument indicats line position upon entry, and it's
15268 passed back upon exit.
15270 int wrap(char *dest, char *src, int count, int width, int *lp)
15272 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15274 cseq_len = strlen(cseq);
15275 old_line = line = *lp;
15276 ansi = len = clen = 0;
15278 for (i=0; i < count; i++)
15280 if (src[i] == '\033')
15283 // if we hit the width, back up
15284 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15286 // store i & len in case the word is too long
15287 old_i = i, old_len = len;
15289 // find the end of the last word
15290 while (i && src[i] != ' ' && src[i] != '\n')
15296 // word too long? restore i & len before splitting it
15297 if ((old_i-i+clen) >= width)
15304 if (i && src[i-1] == ' ')
15307 if (src[i] != ' ' && src[i] != '\n')
15314 // now append the newline and continuation sequence
15319 strncpy(dest+len, cseq, cseq_len);
15327 dest[len] = src[i];
15331 if (src[i] == '\n')
15336 if (dest && appData.debugMode)
15338 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15339 count, width, line, len, *lp);
15340 show_bytes(debugFP, src, count);
15341 fprintf(debugFP, "\ndest: ");
15342 show_bytes(debugFP, dest, len);
15343 fprintf(debugFP, "\n");
15345 *lp = dest ? line : old_line;
15350 // [HGM] vari: routines for shelving variations
15353 PushTail(int firstMove, int lastMove)
15355 int i, j, nrMoves = lastMove - firstMove;
15357 if(appData.icsActive) { // only in local mode
15358 forwardMostMove = currentMove; // mimic old ICS behavior
15361 if(storedGames >= MAX_VARIATIONS-1) return;
15363 // push current tail of game on stack
15364 savedResult[storedGames] = gameInfo.result;
15365 savedDetails[storedGames] = gameInfo.resultDetails;
15366 gameInfo.resultDetails = NULL;
15367 savedFirst[storedGames] = firstMove;
15368 savedLast [storedGames] = lastMove;
15369 savedFramePtr[storedGames] = framePtr;
15370 framePtr -= nrMoves; // reserve space for the boards
15371 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15372 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15373 for(j=0; j<MOVE_LEN; j++)
15374 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15375 for(j=0; j<2*MOVE_LEN; j++)
15376 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15377 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15378 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15379 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15380 pvInfoList[firstMove+i-1].depth = 0;
15381 commentList[framePtr+i] = commentList[firstMove+i];
15382 commentList[firstMove+i] = NULL;
15386 forwardMostMove = firstMove; // truncate game so we can start variation
15387 if(storedGames == 1) GreyRevert(FALSE);
15391 PopTail(Boolean annotate)
15394 char buf[8000], moveBuf[20];
15396 if(appData.icsActive) return FALSE; // only in local mode
15397 if(!storedGames) return FALSE; // sanity
15398 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15401 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15402 nrMoves = savedLast[storedGames] - currentMove;
15405 if(!WhiteOnMove(currentMove))
15406 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
15407 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
15408 for(i=currentMove; i<forwardMostMove; i++) {
15410 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
15411 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
15412 strcat(buf, moveBuf);
15413 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15414 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15418 for(i=1; i<=nrMoves; i++) { // copy last variation back
15419 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15420 for(j=0; j<MOVE_LEN; j++)
15421 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15422 for(j=0; j<2*MOVE_LEN; j++)
15423 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15424 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15425 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15426 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15427 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15428 commentList[currentMove+i] = commentList[framePtr+i];
15429 commentList[framePtr+i] = NULL;
15431 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15432 framePtr = savedFramePtr[storedGames];
15433 gameInfo.result = savedResult[storedGames];
15434 if(gameInfo.resultDetails != NULL) {
15435 free(gameInfo.resultDetails);
15437 gameInfo.resultDetails = savedDetails[storedGames];
15438 forwardMostMove = currentMove + nrMoves;
15439 if(storedGames == 0) GreyRevert(TRUE);
15445 { // remove all shelved variations
15447 for(i=0; i<storedGames; i++) {
15448 if(savedDetails[i])
15449 free(savedDetails[i]);
15450 savedDetails[i] = NULL;
15452 for(i=framePtr; i<MAX_MOVES; i++) {
15453 if(commentList[i]) free(commentList[i]);
15454 commentList[i] = NULL;
15456 framePtr = MAX_MOVES-1;
15461 LoadVariation(int index, char *text)
15462 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15463 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15464 int level = 0, move;
15466 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15467 // first find outermost bracketing variation
15468 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15469 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15470 if(*p == '{') wait = '}'; else
15471 if(*p == '[') wait = ']'; else
15472 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15473 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15475 if(*p == wait) wait = NULLCHAR; // closing ]} found
15478 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15479 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15480 end[1] = NULLCHAR; // clip off comment beyond variation
15481 ToNrEvent(currentMove-1);
15482 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15483 // kludge: use ParsePV() to append variation to game
15484 move = currentMove;
15485 ParsePV(start, TRUE);
15486 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15487 ClearPremoveHighlights();
15489 ToNrEvent(currentMove+1);