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-1 && dst[i] != NULLCHAR)
323 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
324 if(appData.debugMode)
325 printf("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;
451 int sending_ICS_login = 0;
452 int sending_ICS_password = 0;
455 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
456 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
457 long timeControl_2; /* [AS] Allow separate time controls */
458 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
459 long timeRemaining[2][MAX_MOVES];
461 TimeMark programStartTime;
462 char ics_handle[MSG_SIZ];
463 int have_set_title = 0;
465 /* animateTraining preserves the state of appData.animate
466 * when Training mode is activated. This allows the
467 * response to be animated when appData.animate == TRUE and
468 * appData.animateDragging == TRUE.
470 Boolean animateTraining;
476 Board boards[MAX_MOVES];
477 /* [HGM] Following 7 needed for accurate legality tests: */
478 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
479 signed char initialRights[BOARD_FILES];
480 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
481 int initialRulePlies, FENrulePlies;
482 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
485 int mute; // mute all sounds
487 // [HGM] vari: next 12 to save and restore variations
488 #define MAX_VARIATIONS 10
489 int framePtr = MAX_MOVES-1; // points to free stack entry
491 int savedFirst[MAX_VARIATIONS];
492 int savedLast[MAX_VARIATIONS];
493 int savedFramePtr[MAX_VARIATIONS];
494 char *savedDetails[MAX_VARIATIONS];
495 ChessMove savedResult[MAX_VARIATIONS];
497 void PushTail P((int firstMove, int lastMove));
498 Boolean PopTail P((Boolean annotate));
499 void CleanupTail P((void));
501 ChessSquare FIDEArray[2][BOARD_FILES] = {
502 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
503 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
504 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
505 BlackKing, BlackBishop, BlackKnight, BlackRook }
508 ChessSquare twoKingsArray[2][BOARD_FILES] = {
509 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
510 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
511 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
512 BlackKing, BlackKing, BlackKnight, BlackRook }
515 ChessSquare KnightmateArray[2][BOARD_FILES] = {
516 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
517 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
518 { BlackRook, BlackMan, BlackBishop, BlackQueen,
519 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
522 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
523 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
524 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
525 { BlackLance, BlackAlfil, BlackMarshall, BlackAngel,
526 BlackKing, BlackMarshall, BlackAlfil, BlackLance }
529 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
530 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
531 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
532 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
533 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
536 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
537 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
538 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
539 { BlackRook, BlackKnight, BlackMan, BlackFerz,
540 BlackKing, BlackMan, BlackKnight, BlackRook }
544 #if (BOARD_FILES>=10)
545 ChessSquare ShogiArray[2][BOARD_FILES] = {
546 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
547 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
548 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
549 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
552 ChessSquare XiangqiArray[2][BOARD_FILES] = {
553 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
554 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
555 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
556 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
559 ChessSquare CapablancaArray[2][BOARD_FILES] = {
560 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
561 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
562 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
563 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
566 ChessSquare GreatArray[2][BOARD_FILES] = {
567 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
568 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
569 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
570 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
573 ChessSquare JanusArray[2][BOARD_FILES] = {
574 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
575 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
576 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
577 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
581 ChessSquare GothicArray[2][BOARD_FILES] = {
582 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
583 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
584 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
585 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
588 #define GothicArray CapablancaArray
592 ChessSquare FalconArray[2][BOARD_FILES] = {
593 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
594 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
595 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
596 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
599 #define FalconArray CapablancaArray
602 #else // !(BOARD_FILES>=10)
603 #define XiangqiPosition FIDEArray
604 #define CapablancaArray FIDEArray
605 #define GothicArray FIDEArray
606 #define GreatArray FIDEArray
607 #endif // !(BOARD_FILES>=10)
609 #if (BOARD_FILES>=12)
610 ChessSquare CourierArray[2][BOARD_FILES] = {
611 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
612 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
613 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
614 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
616 #else // !(BOARD_FILES>=12)
617 #define CourierArray CapablancaArray
618 #endif // !(BOARD_FILES>=12)
621 Board initialPosition;
624 /* Convert str to a rating. Checks for special cases of "----",
626 "++++", etc. Also strips ()'s */
628 string_to_rating(str)
631 while(*str && !isdigit(*str)) ++str;
633 return 0; /* One of the special "no rating" cases */
641 /* Init programStats */
642 programStats.movelist[0] = 0;
643 programStats.depth = 0;
644 programStats.nr_moves = 0;
645 programStats.moves_left = 0;
646 programStats.nodes = 0;
647 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
648 programStats.score = 0;
649 programStats.got_only_move = 0;
650 programStats.got_fail = 0;
651 programStats.line_is_book = 0;
657 int matched, min, sec;
659 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
660 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
662 GetTimeMark(&programStartTime);
663 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
666 programStats.ok_to_send = 1;
667 programStats.seen_stat = 0;
670 * Initialize game list
676 * Internet chess server status
678 if (appData.icsActive) {
679 appData.matchMode = FALSE;
680 appData.matchGames = 0;
682 appData.noChessProgram = !appData.zippyPlay;
684 appData.zippyPlay = FALSE;
685 appData.zippyTalk = FALSE;
686 appData.noChessProgram = TRUE;
688 if (*appData.icsHelper != NULLCHAR) {
689 appData.useTelnet = TRUE;
690 appData.telnetProgram = appData.icsHelper;
693 appData.zippyTalk = appData.zippyPlay = FALSE;
696 /* [AS] Initialize pv info list [HGM] and game state */
700 for( i=0; i<=framePtr; i++ ) {
701 pvInfoList[i].depth = -1;
702 boards[i][EP_STATUS] = EP_NONE;
703 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
708 * Parse timeControl resource
710 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
711 appData.movesPerSession)) {
713 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
714 DisplayFatalError(buf, 0, 2);
718 * Parse searchTime resource
720 if (*appData.searchTime != NULLCHAR) {
721 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
723 searchTime = min * 60;
724 } else if (matched == 2) {
725 searchTime = min * 60 + sec;
728 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
729 DisplayFatalError(buf, 0, 2);
733 /* [AS] Adjudication threshold */
734 adjudicateLossThreshold = appData.adjudicateLossThreshold;
736 first.which = _("first");
737 second.which = _("second");
738 first.maybeThinking = second.maybeThinking = FALSE;
739 first.pr = second.pr = NoProc;
740 first.isr = second.isr = NULL;
741 first.sendTime = second.sendTime = 2;
742 first.sendDrawOffers = 1;
743 if (appData.firstPlaysBlack) {
744 first.twoMachinesColor = "black\n";
745 second.twoMachinesColor = "white\n";
747 first.twoMachinesColor = "white\n";
748 second.twoMachinesColor = "black\n";
750 first.program = appData.firstChessProgram;
751 second.program = appData.secondChessProgram;
752 first.host = appData.firstHost;
753 second.host = appData.secondHost;
754 first.dir = appData.firstDirectory;
755 second.dir = appData.secondDirectory;
756 first.other = &second;
757 second.other = &first;
758 first.initString = appData.initString;
759 second.initString = appData.secondInitString;
760 first.computerString = appData.firstComputerString;
761 second.computerString = appData.secondComputerString;
762 first.useSigint = second.useSigint = TRUE;
763 first.useSigterm = second.useSigterm = TRUE;
764 first.reuse = appData.reuseFirst;
765 second.reuse = appData.reuseSecond;
766 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
767 second.nps = appData.secondNPS;
768 first.useSetboard = second.useSetboard = FALSE;
769 first.useSAN = second.useSAN = FALSE;
770 first.usePing = second.usePing = FALSE;
771 first.lastPing = second.lastPing = 0;
772 first.lastPong = second.lastPong = 0;
773 first.usePlayother = second.usePlayother = FALSE;
774 first.useColors = second.useColors = TRUE;
775 first.useUsermove = second.useUsermove = FALSE;
776 first.sendICS = second.sendICS = FALSE;
777 first.sendName = second.sendName = appData.icsActive;
778 first.sdKludge = second.sdKludge = FALSE;
779 first.stKludge = second.stKludge = FALSE;
780 TidyProgramName(first.program, first.host, first.tidy);
781 TidyProgramName(second.program, second.host, second.tidy);
782 first.matchWins = second.matchWins = 0;
783 safeStrCpy(first.variants, appData.variant, sizeof(first.variants)/sizeof(first.variants[0]));
784 safeStrCpy(second.variants, appData.variant,sizeof(second.variants)/sizeof(second.variants[0]));
785 first.analysisSupport = second.analysisSupport = 2; /* detect */
786 first.analyzing = second.analyzing = FALSE;
787 first.initDone = second.initDone = FALSE;
789 /* New features added by Tord: */
790 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
791 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
792 /* End of new features added by Tord. */
793 first.fenOverride = appData.fenOverride1;
794 second.fenOverride = appData.fenOverride2;
796 /* [HGM] time odds: set factor for each machine */
797 first.timeOdds = appData.firstTimeOdds;
798 second.timeOdds = appData.secondTimeOdds;
800 if(appData.timeOddsMode) {
801 norm = first.timeOdds;
802 if(norm > second.timeOdds) norm = second.timeOdds;
804 first.timeOdds /= norm;
805 second.timeOdds /= norm;
808 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
809 first.accumulateTC = appData.firstAccumulateTC;
810 second.accumulateTC = appData.secondAccumulateTC;
811 first.maxNrOfSessions = second.maxNrOfSessions = 1;
814 first.debug = second.debug = FALSE;
815 first.supportsNPS = second.supportsNPS = UNKNOWN;
818 first.optionSettings = appData.firstOptions;
819 second.optionSettings = appData.secondOptions;
821 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
822 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
823 first.isUCI = appData.firstIsUCI; /* [AS] */
824 second.isUCI = appData.secondIsUCI; /* [AS] */
825 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
826 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
828 if (appData.firstProtocolVersion > PROTOVER
829 || appData.firstProtocolVersion < 1)
834 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
835 appData.firstProtocolVersion);
836 if( (len > MSG_SIZ) && appData.debugMode )
837 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
839 DisplayFatalError(buf, 0, 2);
843 first.protocolVersion = appData.firstProtocolVersion;
846 if (appData.secondProtocolVersion > PROTOVER
847 || appData.secondProtocolVersion < 1)
852 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
853 appData.secondProtocolVersion);
854 if( (len > MSG_SIZ) && appData.debugMode )
855 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
857 DisplayFatalError(buf, 0, 2);
861 second.protocolVersion = appData.secondProtocolVersion;
864 if (appData.icsActive) {
865 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
866 // } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
867 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
868 appData.clockMode = FALSE;
869 first.sendTime = second.sendTime = 0;
873 /* Override some settings from environment variables, for backward
874 compatibility. Unfortunately it's not feasible to have the env
875 vars just set defaults, at least in xboard. Ugh.
877 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
882 if (appData.noChessProgram) {
883 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
884 sprintf(programVersion, "%s", PACKAGE_STRING);
886 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
887 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
888 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
891 if (!appData.icsActive) {
895 /* Check for variants that are supported only in ICS mode,
896 or not at all. Some that are accepted here nevertheless
897 have bugs; see comments below.
899 VariantClass variant = StringToVariant(appData.variant);
901 case VariantBughouse: /* need four players and two boards */
902 case VariantKriegspiel: /* need to hide pieces and move details */
903 /* case VariantFischeRandom: (Fabien: moved below) */
904 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
905 if( (len > MSG_SIZ) && appData.debugMode )
906 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
908 DisplayFatalError(buf, 0, 2);
912 case VariantLoadable:
922 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
923 if( (len > MSG_SIZ) && appData.debugMode )
924 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
926 DisplayFatalError(buf, 0, 2);
929 case VariantXiangqi: /* [HGM] repetition rules not implemented */
930 case VariantFairy: /* [HGM] TestLegality definitely off! */
931 case VariantGothic: /* [HGM] should work */
932 case VariantCapablanca: /* [HGM] should work */
933 case VariantCourier: /* [HGM] initial forced moves not implemented */
934 case VariantShogi: /* [HGM] could still mate with pawn drop */
935 case VariantKnightmate: /* [HGM] should work */
936 case VariantCylinder: /* [HGM] untested */
937 case VariantFalcon: /* [HGM] untested */
938 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
939 offboard interposition not understood */
940 case VariantNormal: /* definitely works! */
941 case VariantWildCastle: /* pieces not automatically shuffled */
942 case VariantNoCastle: /* pieces not automatically shuffled */
943 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
944 case VariantLosers: /* should work except for win condition,
945 and doesn't know captures are mandatory */
946 case VariantSuicide: /* should work except for win condition,
947 and doesn't know captures are mandatory */
948 case VariantGiveaway: /* should work except for win condition,
949 and doesn't know captures are mandatory */
950 case VariantTwoKings: /* should work */
951 case VariantAtomic: /* should work except for win condition */
952 case Variant3Check: /* should work except for win condition */
953 case VariantShatranj: /* should work except for all win conditions */
954 case VariantMakruk: /* should work except for daw countdown */
955 case VariantBerolina: /* might work if TestLegality is off */
956 case VariantCapaRandom: /* should work */
957 case VariantJanus: /* should work */
958 case VariantSuper: /* experimental */
959 case VariantGreat: /* experimental, requires legality testing to be off */
960 case VariantSChess: /* S-Chess, should work */
965 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
966 InitEngineUCI( installDir, &second );
969 int NextIntegerFromString( char ** str, long * value )
974 while( *s == ' ' || *s == '\t' ) {
980 if( *s >= '0' && *s <= '9' ) {
981 while( *s >= '0' && *s <= '9' ) {
982 *value = *value * 10 + (*s - '0');
994 int NextTimeControlFromString( char ** str, long * value )
997 int result = NextIntegerFromString( str, &temp );
1000 *value = temp * 60; /* Minutes */
1001 if( **str == ':' ) {
1003 result = NextIntegerFromString( str, &temp );
1004 *value += temp; /* Seconds */
1011 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1012 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1013 int result = -1, type = 0; long temp, temp2;
1015 if(**str != ':') return -1; // old params remain in force!
1017 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1018 if( NextIntegerFromString( str, &temp ) ) return -1;
1019 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1022 /* time only: incremental or sudden-death time control */
1023 if(**str == '+') { /* increment follows; read it */
1025 if(**str == '!') type = *(*str)++; // Bronstein TC
1026 if(result = NextIntegerFromString( str, &temp2)) return -1;
1027 *inc = temp2 * 1000;
1028 if(**str == '.') { // read fraction of increment
1029 char *start = ++(*str);
1030 if(result = NextIntegerFromString( str, &temp2)) return -1;
1032 while(start++ < *str) temp2 /= 10;
1036 *moves = 0; *tc = temp * 1000; *incType = type;
1040 (*str)++; /* classical time control */
1041 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1052 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1053 { /* [HGM] get time to add from the multi-session time-control string */
1054 int incType, moves=1; /* kludge to force reading of first session */
1055 long time, increment;
1058 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1059 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1061 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1062 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1063 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1064 if(movenr == -1) return time; /* last move before new session */
1065 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1066 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1067 if(!moves) return increment; /* current session is incremental */
1068 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1069 } while(movenr >= -1); /* try again for next session */
1071 return 0; // no new time quota on this move
1075 ParseTimeControl(tc, ti, mps)
1082 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1085 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1086 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1087 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1091 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1093 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1096 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1098 snprintf(buf, MSG_SIZ, ":%s", mytc);
1100 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1102 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1107 /* Parse second time control */
1110 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1118 timeControl_2 = tc2 * 1000;
1128 timeControl = tc1 * 1000;
1131 timeIncrement = ti * 1000; /* convert to ms */
1132 movesPerSession = 0;
1135 movesPerSession = mps;
1143 if (appData.debugMode) {
1144 fprintf(debugFP, "%s\n", programVersion);
1147 set_cont_sequence(appData.wrapContSeq);
1148 if (appData.matchGames > 0) {
1149 appData.matchMode = TRUE;
1150 } else if (appData.matchMode) {
1151 appData.matchGames = 1;
1153 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1154 appData.matchGames = appData.sameColorGames;
1155 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1156 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1157 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1160 if (appData.noChessProgram || first.protocolVersion == 1) {
1163 /* kludge: allow timeout for initial "feature" commands */
1165 DisplayMessage("", _("Starting chess program"));
1166 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1171 InitBackEnd3 P((void))
1173 GameMode initialMode;
1177 InitChessProgram(&first, startedFromSetupPosition);
1179 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1180 free(programVersion);
1181 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1182 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1185 if (appData.icsActive) {
1187 /* [DM] Make a console window if needed [HGM] merged ifs */
1193 if (*appData.icsCommPort != NULLCHAR)
1194 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1195 appData.icsCommPort);
1197 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1198 appData.icsHost, appData.icsPort);
1200 if( (len > MSG_SIZ) && appData.debugMode )
1201 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1203 DisplayFatalError(buf, err, 1);
1208 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1210 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1211 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1212 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1213 } else if (appData.noChessProgram) {
1219 if (*appData.cmailGameName != NULLCHAR) {
1221 OpenLoopback(&cmailPR);
1223 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1227 DisplayMessage("", "");
1228 if (StrCaseCmp(appData.initialMode, "") == 0) {
1229 initialMode = BeginningOfGame;
1230 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1231 initialMode = TwoMachinesPlay;
1232 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1233 initialMode = AnalyzeFile;
1234 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1235 initialMode = AnalyzeMode;
1236 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1237 initialMode = MachinePlaysWhite;
1238 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1239 initialMode = MachinePlaysBlack;
1240 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1241 initialMode = EditGame;
1242 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1243 initialMode = EditPosition;
1244 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1245 initialMode = Training;
1247 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1248 if( (len > MSG_SIZ) && appData.debugMode )
1249 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1251 DisplayFatalError(buf, 0, 2);
1255 if (appData.matchMode) {
1256 /* Set up machine vs. machine match */
1257 if (appData.noChessProgram) {
1258 DisplayFatalError(_("Can't have a match with no chess programs"),
1264 if (*appData.loadGameFile != NULLCHAR) {
1265 int index = appData.loadGameIndex; // [HGM] autoinc
1266 if(index<0) lastIndex = index = 1;
1267 if (!LoadGameFromFile(appData.loadGameFile,
1269 appData.loadGameFile, FALSE)) {
1270 DisplayFatalError(_("Bad game file"), 0, 1);
1273 } else if (*appData.loadPositionFile != NULLCHAR) {
1274 int index = appData.loadPositionIndex; // [HGM] autoinc
1275 if(index<0) lastIndex = index = 1;
1276 if (!LoadPositionFromFile(appData.loadPositionFile,
1278 appData.loadPositionFile)) {
1279 DisplayFatalError(_("Bad position file"), 0, 1);
1284 } else if (*appData.cmailGameName != NULLCHAR) {
1285 /* Set up cmail mode */
1286 ReloadCmailMsgEvent(TRUE);
1288 /* Set up other modes */
1289 if (initialMode == AnalyzeFile) {
1290 if (*appData.loadGameFile == NULLCHAR) {
1291 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1295 if (*appData.loadGameFile != NULLCHAR) {
1296 (void) LoadGameFromFile(appData.loadGameFile,
1297 appData.loadGameIndex,
1298 appData.loadGameFile, TRUE);
1299 } else if (*appData.loadPositionFile != NULLCHAR) {
1300 (void) LoadPositionFromFile(appData.loadPositionFile,
1301 appData.loadPositionIndex,
1302 appData.loadPositionFile);
1303 /* [HGM] try to make self-starting even after FEN load */
1304 /* to allow automatic setup of fairy variants with wtm */
1305 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1306 gameMode = BeginningOfGame;
1307 setboardSpoiledMachineBlack = 1;
1309 /* [HGM] loadPos: make that every new game uses the setup */
1310 /* from file as long as we do not switch variant */
1311 if(!blackPlaysFirst) {
1312 startedFromPositionFile = TRUE;
1313 CopyBoard(filePosition, boards[0]);
1316 if (initialMode == AnalyzeMode) {
1317 if (appData.noChessProgram) {
1318 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1321 if (appData.icsActive) {
1322 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1326 } else if (initialMode == AnalyzeFile) {
1327 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1328 ShowThinkingEvent();
1330 AnalysisPeriodicEvent(1);
1331 } else if (initialMode == MachinePlaysWhite) {
1332 if (appData.noChessProgram) {
1333 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1337 if (appData.icsActive) {
1338 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1342 MachineWhiteEvent();
1343 } else if (initialMode == MachinePlaysBlack) {
1344 if (appData.noChessProgram) {
1345 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1349 if (appData.icsActive) {
1350 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1354 MachineBlackEvent();
1355 } else if (initialMode == TwoMachinesPlay) {
1356 if (appData.noChessProgram) {
1357 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1361 if (appData.icsActive) {
1362 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1367 } else if (initialMode == EditGame) {
1369 } else if (initialMode == EditPosition) {
1370 EditPositionEvent();
1371 } else if (initialMode == Training) {
1372 if (*appData.loadGameFile == NULLCHAR) {
1373 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1382 * Establish will establish a contact to a remote host.port.
1383 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1384 * used to talk to the host.
1385 * Returns 0 if okay, error code if not.
1392 if (*appData.icsCommPort != NULLCHAR) {
1393 /* Talk to the host through a serial comm port */
1394 return OpenCommPort(appData.icsCommPort, &icsPR);
1396 } else if (*appData.gateway != NULLCHAR) {
1397 if (*appData.remoteShell == NULLCHAR) {
1398 /* Use the rcmd protocol to run telnet program on a gateway host */
1399 snprintf(buf, sizeof(buf), "%s %s %s",
1400 appData.telnetProgram, appData.icsHost, appData.icsPort);
1401 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1404 /* Use the rsh program to run telnet program on a gateway host */
1405 if (*appData.remoteUser == NULLCHAR) {
1406 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1407 appData.gateway, appData.telnetProgram,
1408 appData.icsHost, appData.icsPort);
1410 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1411 appData.remoteShell, appData.gateway,
1412 appData.remoteUser, appData.telnetProgram,
1413 appData.icsHost, appData.icsPort);
1415 return StartChildProcess(buf, "", &icsPR);
1418 } else if (appData.useTelnet) {
1419 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1422 /* TCP socket interface differs somewhat between
1423 Unix and NT; handle details in the front end.
1425 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1429 void EscapeExpand(char *p, char *q)
1430 { // [HGM] initstring: routine to shape up string arguments
1431 while(*p++ = *q++) if(p[-1] == '\\')
1433 case 'n': p[-1] = '\n'; break;
1434 case 'r': p[-1] = '\r'; break;
1435 case 't': p[-1] = '\t'; break;
1436 case '\\': p[-1] = '\\'; break;
1437 case 0: *p = 0; return;
1438 default: p[-1] = q[-1]; break;
1443 show_bytes(fp, buf, count)
1449 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1450 fprintf(fp, "\\%03o", *buf & 0xff);
1459 /* Returns an errno value */
1461 OutputMaybeTelnet(pr, message, count, outError)
1467 char buf[8192], *p, *q, *buflim;
1468 int left, newcount, outcount;
1470 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1471 *appData.gateway != NULLCHAR) {
1472 if (appData.debugMode) {
1473 fprintf(debugFP, ">ICS: ");
1474 show_bytes(debugFP, message, count);
1475 fprintf(debugFP, "\n");
1477 return OutputToProcess(pr, message, count, outError);
1480 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1487 if (appData.debugMode) {
1488 fprintf(debugFP, ">ICS: ");
1489 show_bytes(debugFP, buf, newcount);
1490 fprintf(debugFP, "\n");
1492 outcount = OutputToProcess(pr, buf, newcount, outError);
1493 if (outcount < newcount) return -1; /* to be sure */
1500 } else if (((unsigned char) *p) == TN_IAC) {
1501 *q++ = (char) TN_IAC;
1508 if (appData.debugMode) {
1509 fprintf(debugFP, ">ICS: ");
1510 show_bytes(debugFP, buf, newcount);
1511 fprintf(debugFP, "\n");
1513 outcount = OutputToProcess(pr, buf, newcount, outError);
1514 if (outcount < newcount) return -1; /* to be sure */
1519 read_from_player(isr, closure, message, count, error)
1526 int outError, outCount;
1527 static int gotEof = 0;
1529 /* Pass data read from player on to ICS */
1532 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1533 if (outCount < count) {
1534 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1536 } else if (count < 0) {
1537 RemoveInputSource(isr);
1538 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1539 } else if (gotEof++ > 0) {
1540 RemoveInputSource(isr);
1541 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1547 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1548 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1549 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1550 SendToICS("date\n");
1551 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1554 /* added routine for printf style output to ics */
1555 void ics_printf(char *format, ...)
1557 char buffer[MSG_SIZ];
1560 va_start(args, format);
1561 vsnprintf(buffer, sizeof(buffer), format, args);
1562 buffer[sizeof(buffer)-1] = '\0';
1571 int count, outCount, outError;
1573 if (icsPR == NULL) return;
1576 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1577 if (outCount < count) {
1578 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1582 /* This is used for sending logon scripts to the ICS. Sending
1583 without a delay causes problems when using timestamp on ICC
1584 (at least on my machine). */
1586 SendToICSDelayed(s,msdelay)
1590 int count, outCount, outError;
1592 if (icsPR == NULL) return;
1595 if (appData.debugMode) {
1596 fprintf(debugFP, ">ICS: ");
1597 show_bytes(debugFP, s, count);
1598 fprintf(debugFP, "\n");
1600 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1602 if (outCount < count) {
1603 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1608 /* Remove all highlighting escape sequences in s
1609 Also deletes any suffix starting with '('
1612 StripHighlightAndTitle(s)
1615 static char retbuf[MSG_SIZ];
1618 while (*s != NULLCHAR) {
1619 while (*s == '\033') {
1620 while (*s != NULLCHAR && !isalpha(*s)) s++;
1621 if (*s != NULLCHAR) s++;
1623 while (*s != NULLCHAR && *s != '\033') {
1624 if (*s == '(' || *s == '[') {
1635 /* Remove all highlighting escape sequences in s */
1640 static char retbuf[MSG_SIZ];
1643 while (*s != NULLCHAR) {
1644 while (*s == '\033') {
1645 while (*s != NULLCHAR && !isalpha(*s)) s++;
1646 if (*s != NULLCHAR) s++;
1648 while (*s != NULLCHAR && *s != '\033') {
1656 char *variantNames[] = VARIANT_NAMES;
1661 return variantNames[v];
1665 /* Identify a variant from the strings the chess servers use or the
1666 PGN Variant tag names we use. */
1673 VariantClass v = VariantNormal;
1674 int i, found = FALSE;
1680 /* [HGM] skip over optional board-size prefixes */
1681 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1682 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1683 while( *e++ != '_');
1686 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1690 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1691 if (StrCaseStr(e, variantNames[i])) {
1692 v = (VariantClass) i;
1699 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1700 || StrCaseStr(e, "wild/fr")
1701 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1702 v = VariantFischeRandom;
1703 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1704 (i = 1, p = StrCaseStr(e, "w"))) {
1706 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1713 case 0: /* FICS only, actually */
1715 /* Castling legal even if K starts on d-file */
1716 v = VariantWildCastle;
1721 /* Castling illegal even if K & R happen to start in
1722 normal positions. */
1723 v = VariantNoCastle;
1736 /* Castling legal iff K & R start in normal positions */
1742 /* Special wilds for position setup; unclear what to do here */
1743 v = VariantLoadable;
1746 /* Bizarre ICC game */
1747 v = VariantTwoKings;
1750 v = VariantKriegspiel;
1756 v = VariantFischeRandom;
1759 v = VariantCrazyhouse;
1762 v = VariantBughouse;
1768 /* Not quite the same as FICS suicide! */
1769 v = VariantGiveaway;
1775 v = VariantShatranj;
1778 /* Temporary names for future ICC types. The name *will* change in
1779 the next xboard/WinBoard release after ICC defines it. */
1817 v = VariantCapablanca;
1820 v = VariantKnightmate;
1826 v = VariantCylinder;
1832 v = VariantCapaRandom;
1835 v = VariantBerolina;
1847 /* Found "wild" or "w" in the string but no number;
1848 must assume it's normal chess. */
1852 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
1853 if( (len > MSG_SIZ) && appData.debugMode )
1854 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
1856 DisplayError(buf, 0);
1862 if (appData.debugMode) {
1863 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1864 e, wnum, VariantName(v));
1869 static int leftover_start = 0, leftover_len = 0;
1870 char star_match[STAR_MATCH_N][MSG_SIZ];
1872 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1873 advance *index beyond it, and set leftover_start to the new value of
1874 *index; else return FALSE. If pattern contains the character '*', it
1875 matches any sequence of characters not containing '\r', '\n', or the
1876 character following the '*' (if any), and the matched sequence(s) are
1877 copied into star_match.
1880 looking_at(buf, index, pattern)
1885 char *bufp = &buf[*index], *patternp = pattern;
1887 char *matchp = star_match[0];
1890 if (*patternp == NULLCHAR) {
1891 *index = leftover_start = bufp - buf;
1895 if (*bufp == NULLCHAR) return FALSE;
1896 if (*patternp == '*') {
1897 if (*bufp == *(patternp + 1)) {
1899 matchp = star_match[++star_count];
1903 } else if (*bufp == '\n' || *bufp == '\r') {
1905 if (*patternp == NULLCHAR)
1910 *matchp++ = *bufp++;
1914 if (*patternp != *bufp) return FALSE;
1921 SendToPlayer(data, length)
1925 int error, outCount;
1926 outCount = OutputToProcess(NoProc, data, length, &error);
1927 if (outCount < length) {
1928 DisplayFatalError(_("Error writing to display"), error, 1);
1933 PackHolding(packed, holding)
1945 switch (runlength) {
1956 sprintf(q, "%d", runlength);
1968 /* Telnet protocol requests from the front end */
1970 TelnetRequest(ddww, option)
1971 unsigned char ddww, option;
1973 unsigned char msg[3];
1974 int outCount, outError;
1976 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1978 if (appData.debugMode) {
1979 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1995 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2004 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2007 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2012 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2014 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2021 if (!appData.icsActive) return;
2022 TelnetRequest(TN_DO, TN_ECHO);
2028 if (!appData.icsActive) return;
2029 TelnetRequest(TN_DONT, TN_ECHO);
2033 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2035 /* put the holdings sent to us by the server on the board holdings area */
2036 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2040 if(gameInfo.holdingsWidth < 2) return;
2041 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2042 return; // prevent overwriting by pre-board holdings
2044 if( (int)lowestPiece >= BlackPawn ) {
2047 holdingsStartRow = BOARD_HEIGHT-1;
2050 holdingsColumn = BOARD_WIDTH-1;
2051 countsColumn = BOARD_WIDTH-2;
2052 holdingsStartRow = 0;
2056 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2057 board[i][holdingsColumn] = EmptySquare;
2058 board[i][countsColumn] = (ChessSquare) 0;
2060 while( (p=*holdings++) != NULLCHAR ) {
2061 piece = CharToPiece( ToUpper(p) );
2062 if(piece == EmptySquare) continue;
2063 /*j = (int) piece - (int) WhitePawn;*/
2064 j = PieceToNumber(piece);
2065 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2066 if(j < 0) continue; /* should not happen */
2067 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2068 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2069 board[holdingsStartRow+j*direction][countsColumn]++;
2075 VariantSwitch(Board board, VariantClass newVariant)
2077 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2078 static Board oldBoard;
2080 startedFromPositionFile = FALSE;
2081 if(gameInfo.variant == newVariant) return;
2083 /* [HGM] This routine is called each time an assignment is made to
2084 * gameInfo.variant during a game, to make sure the board sizes
2085 * are set to match the new variant. If that means adding or deleting
2086 * holdings, we shift the playing board accordingly
2087 * This kludge is needed because in ICS observe mode, we get boards
2088 * of an ongoing game without knowing the variant, and learn about the
2089 * latter only later. This can be because of the move list we requested,
2090 * in which case the game history is refilled from the beginning anyway,
2091 * but also when receiving holdings of a crazyhouse game. In the latter
2092 * case we want to add those holdings to the already received position.
2096 if (appData.debugMode) {
2097 fprintf(debugFP, "Switch board from %s to %s\n",
2098 VariantName(gameInfo.variant), VariantName(newVariant));
2099 setbuf(debugFP, NULL);
2101 shuffleOpenings = 0; /* [HGM] shuffle */
2102 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2106 newWidth = 9; newHeight = 9;
2107 gameInfo.holdingsSize = 7;
2108 case VariantBughouse:
2109 case VariantCrazyhouse:
2110 newHoldingsWidth = 2; break;
2114 newHoldingsWidth = 2;
2115 gameInfo.holdingsSize = 8;
2118 case VariantCapablanca:
2119 case VariantCapaRandom:
2122 newHoldingsWidth = gameInfo.holdingsSize = 0;
2125 if(newWidth != gameInfo.boardWidth ||
2126 newHeight != gameInfo.boardHeight ||
2127 newHoldingsWidth != gameInfo.holdingsWidth ) {
2129 /* shift position to new playing area, if needed */
2130 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2131 for(i=0; i<BOARD_HEIGHT; i++)
2132 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2133 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2135 for(i=0; i<newHeight; i++) {
2136 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2137 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2139 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2140 for(i=0; i<BOARD_HEIGHT; i++)
2141 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2142 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2145 gameInfo.boardWidth = newWidth;
2146 gameInfo.boardHeight = newHeight;
2147 gameInfo.holdingsWidth = newHoldingsWidth;
2148 gameInfo.variant = newVariant;
2149 InitDrawingSizes(-2, 0);
2150 } else gameInfo.variant = newVariant;
2151 CopyBoard(oldBoard, board); // remember correctly formatted board
2152 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2153 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2156 static int loggedOn = FALSE;
2158 /*-- Game start info cache: --*/
2160 char gs_kind[MSG_SIZ];
2161 static char player1Name[128] = "";
2162 static char player2Name[128] = "";
2163 static char cont_seq[] = "\n\\ ";
2164 static int player1Rating = -1;
2165 static int player2Rating = -1;
2166 /*----------------------------*/
2168 ColorClass curColor = ColorNormal;
2169 int suppressKibitz = 0;
2172 Boolean soughtPending = FALSE;
2173 Boolean seekGraphUp;
2174 #define MAX_SEEK_ADS 200
2176 char *seekAdList[MAX_SEEK_ADS];
2177 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2178 float tcList[MAX_SEEK_ADS];
2179 char colorList[MAX_SEEK_ADS];
2180 int nrOfSeekAds = 0;
2181 int minRating = 1010, maxRating = 2800;
2182 int hMargin = 10, vMargin = 20, h, w;
2183 extern int squareSize, lineGap;
2188 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2189 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2190 if(r < minRating+100 && r >=0 ) r = minRating+100;
2191 if(r > maxRating) r = maxRating;
2192 if(tc < 1.) tc = 1.;
2193 if(tc > 95.) tc = 95.;
2194 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2195 y = ((double)r - minRating)/(maxRating - minRating)
2196 * (h-vMargin-squareSize/8-1) + vMargin;
2197 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2198 if(strstr(seekAdList[i], " u ")) color = 1;
2199 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2200 !strstr(seekAdList[i], "bullet") &&
2201 !strstr(seekAdList[i], "blitz") &&
2202 !strstr(seekAdList[i], "standard") ) color = 2;
2203 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2204 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2208 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2210 char buf[MSG_SIZ], *ext = "";
2211 VariantClass v = StringToVariant(type);
2212 if(strstr(type, "wild")) {
2213 ext = type + 4; // append wild number
2214 if(v == VariantFischeRandom) type = "chess960"; else
2215 if(v == VariantLoadable) type = "setup"; else
2216 type = VariantName(v);
2218 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2219 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2220 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2221 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2222 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2223 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2224 seekNrList[nrOfSeekAds] = nr;
2225 zList[nrOfSeekAds] = 0;
2226 seekAdList[nrOfSeekAds++] = StrSave(buf);
2227 if(plot) PlotSeekAd(nrOfSeekAds-1);
2234 int x = xList[i], y = yList[i], d=squareSize/4, k;
2235 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2236 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2237 // now replot every dot that overlapped
2238 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2239 int xx = xList[k], yy = yList[k];
2240 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2241 DrawSeekDot(xx, yy, colorList[k]);
2246 RemoveSeekAd(int nr)
2249 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2251 if(seekAdList[i]) free(seekAdList[i]);
2252 seekAdList[i] = seekAdList[--nrOfSeekAds];
2253 seekNrList[i] = seekNrList[nrOfSeekAds];
2254 ratingList[i] = ratingList[nrOfSeekAds];
2255 colorList[i] = colorList[nrOfSeekAds];
2256 tcList[i] = tcList[nrOfSeekAds];
2257 xList[i] = xList[nrOfSeekAds];
2258 yList[i] = yList[nrOfSeekAds];
2259 zList[i] = zList[nrOfSeekAds];
2260 seekAdList[nrOfSeekAds] = NULL;
2266 MatchSoughtLine(char *line)
2268 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2269 int nr, base, inc, u=0; char dummy;
2271 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2272 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2274 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2275 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2276 // match: compact and save the line
2277 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2287 if(!seekGraphUp) return FALSE;
2288 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2289 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2291 DrawSeekBackground(0, 0, w, h);
2292 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2293 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2294 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2295 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2297 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2300 snprintf(buf, MSG_SIZ, "%d", i);
2301 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2304 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2305 for(i=1; i<100; i+=(i<10?1:5)) {
2306 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2307 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2308 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2310 snprintf(buf, MSG_SIZ, "%d", i);
2311 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2314 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2318 int SeekGraphClick(ClickType click, int x, int y, int moving)
2320 static int lastDown = 0, displayed = 0, lastSecond;
2321 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2322 if(click == Release || moving) return FALSE;
2324 soughtPending = TRUE;
2325 SendToICS(ics_prefix);
2326 SendToICS("sought\n"); // should this be "sought all"?
2327 } else { // issue challenge based on clicked ad
2328 int dist = 10000; int i, closest = 0, second = 0;
2329 for(i=0; i<nrOfSeekAds; i++) {
2330 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2331 if(d < dist) { dist = d; closest = i; }
2332 second += (d - zList[i] < 120); // count in-range ads
2333 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2337 second = (second > 1);
2338 if(displayed != closest || second != lastSecond) {
2339 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2340 lastSecond = second; displayed = closest;
2342 if(click == Press) {
2343 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2346 } // on press 'hit', only show info
2347 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2348 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2349 SendToICS(ics_prefix);
2351 return TRUE; // let incoming board of started game pop down the graph
2352 } else if(click == Release) { // release 'miss' is ignored
2353 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2354 if(moving == 2) { // right up-click
2355 nrOfSeekAds = 0; // refresh graph
2356 soughtPending = TRUE;
2357 SendToICS(ics_prefix);
2358 SendToICS("sought\n"); // should this be "sought all"?
2361 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2362 // press miss or release hit 'pop down' seek graph
2363 seekGraphUp = FALSE;
2364 DrawPosition(TRUE, NULL);
2370 read_from_ics(isr, closure, data, count, error)
2377 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2378 #define STARTED_NONE 0
2379 #define STARTED_MOVES 1
2380 #define STARTED_BOARD 2
2381 #define STARTED_OBSERVE 3
2382 #define STARTED_HOLDINGS 4
2383 #define STARTED_CHATTER 5
2384 #define STARTED_COMMENT 6
2385 #define STARTED_MOVES_NOHIDE 7
2387 static int started = STARTED_NONE;
2388 static char parse[20000];
2389 static int parse_pos = 0;
2390 static char buf[BUF_SIZE + 1];
2391 static int firstTime = TRUE, intfSet = FALSE;
2392 static ColorClass prevColor = ColorNormal;
2393 static int savingComment = FALSE;
2394 static int cmatch = 0; // continuation sequence match
2401 int backup; /* [DM] For zippy color lines */
2403 char talker[MSG_SIZ]; // [HGM] chat
2406 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2408 if (appData.debugMode) {
2410 fprintf(debugFP, "<ICS: ");
2411 show_bytes(debugFP, data, count);
2412 fprintf(debugFP, "\n");
2416 if (appData.debugMode) { int f = forwardMostMove;
2417 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2418 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2419 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2422 /* If last read ended with a partial line that we couldn't parse,
2423 prepend it to the new read and try again. */
2424 if (leftover_len > 0) {
2425 for (i=0; i<leftover_len; i++)
2426 buf[i] = buf[leftover_start + i];
2429 /* copy new characters into the buffer */
2430 bp = buf + leftover_len;
2431 buf_len=leftover_len;
2432 for (i=0; i<count; i++)
2435 if (data[i] == '\r')
2438 // join lines split by ICS?
2439 if (!appData.noJoin)
2442 Joining just consists of finding matches against the
2443 continuation sequence, and discarding that sequence
2444 if found instead of copying it. So, until a match
2445 fails, there's nothing to do since it might be the
2446 complete sequence, and thus, something we don't want
2449 if (data[i] == cont_seq[cmatch])
2452 if (cmatch == strlen(cont_seq))
2454 cmatch = 0; // complete match. just reset the counter
2457 it's possible for the ICS to not include the space
2458 at the end of the last word, making our [correct]
2459 join operation fuse two separate words. the server
2460 does this when the space occurs at the width setting.
2462 if (!buf_len || buf[buf_len-1] != ' ')
2473 match failed, so we have to copy what matched before
2474 falling through and copying this character. In reality,
2475 this will only ever be just the newline character, but
2476 it doesn't hurt to be precise.
2478 strncpy(bp, cont_seq, cmatch);
2490 buf[buf_len] = NULLCHAR;
2491 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2496 while (i < buf_len) {
2497 /* Deal with part of the TELNET option negotiation
2498 protocol. We refuse to do anything beyond the
2499 defaults, except that we allow the WILL ECHO option,
2500 which ICS uses to turn off password echoing when we are
2501 directly connected to it. We reject this option
2502 if localLineEditing mode is on (always on in xboard)
2503 and we are talking to port 23, which might be a real
2504 telnet server that will try to keep WILL ECHO on permanently.
2506 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2507 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2508 unsigned char option;
2510 switch ((unsigned char) buf[++i]) {
2512 if (appData.debugMode)
2513 fprintf(debugFP, "\n<WILL ");
2514 switch (option = (unsigned char) buf[++i]) {
2516 if (appData.debugMode)
2517 fprintf(debugFP, "ECHO ");
2518 /* Reply only if this is a change, according
2519 to the protocol rules. */
2520 if (remoteEchoOption) break;
2521 if (appData.localLineEditing &&
2522 atoi(appData.icsPort) == TN_PORT) {
2523 TelnetRequest(TN_DONT, TN_ECHO);
2526 TelnetRequest(TN_DO, TN_ECHO);
2527 remoteEchoOption = TRUE;
2531 if (appData.debugMode)
2532 fprintf(debugFP, "%d ", option);
2533 /* Whatever this is, we don't want it. */
2534 TelnetRequest(TN_DONT, option);
2539 if (appData.debugMode)
2540 fprintf(debugFP, "\n<WONT ");
2541 switch (option = (unsigned char) buf[++i]) {
2543 if (appData.debugMode)
2544 fprintf(debugFP, "ECHO ");
2545 /* Reply only if this is a change, according
2546 to the protocol rules. */
2547 if (!remoteEchoOption) break;
2549 TelnetRequest(TN_DONT, TN_ECHO);
2550 remoteEchoOption = FALSE;
2553 if (appData.debugMode)
2554 fprintf(debugFP, "%d ", (unsigned char) option);
2555 /* Whatever this is, it must already be turned
2556 off, because we never agree to turn on
2557 anything non-default, so according to the
2558 protocol rules, we don't reply. */
2563 if (appData.debugMode)
2564 fprintf(debugFP, "\n<DO ");
2565 switch (option = (unsigned char) buf[++i]) {
2567 /* Whatever this is, we refuse to do it. */
2568 if (appData.debugMode)
2569 fprintf(debugFP, "%d ", option);
2570 TelnetRequest(TN_WONT, option);
2575 if (appData.debugMode)
2576 fprintf(debugFP, "\n<DONT ");
2577 switch (option = (unsigned char) buf[++i]) {
2579 if (appData.debugMode)
2580 fprintf(debugFP, "%d ", option);
2581 /* Whatever this is, we are already not doing
2582 it, because we never agree to do anything
2583 non-default, so according to the protocol
2584 rules, we don't reply. */
2589 if (appData.debugMode)
2590 fprintf(debugFP, "\n<IAC ");
2591 /* Doubled IAC; pass it through */
2595 if (appData.debugMode)
2596 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2597 /* Drop all other telnet commands on the floor */
2600 if (oldi > next_out)
2601 SendToPlayer(&buf[next_out], oldi - next_out);
2607 /* OK, this at least will *usually* work */
2608 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2612 if (loggedOn && !intfSet) {
2613 if (ics_type == ICS_ICC) {
2614 snprintf(str, MSG_SIZ,
2615 "/set-quietly interface %s\n/set-quietly style 12\n",
2617 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2618 strcat(str, "/set-2 51 1\n/set seek 1\n");
2619 } else if (ics_type == ICS_CHESSNET) {
2620 snprintf(str, MSG_SIZ, "/style 12\n");
2622 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2623 strcat(str, programVersion);
2624 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2625 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2626 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2628 strcat(str, "$iset nohighlight 1\n");
2630 strcat(str, "$iset lock 1\n$style 12\n");
2633 NotifyFrontendLogin();
2637 if (started == STARTED_COMMENT) {
2638 /* Accumulate characters in comment */
2639 parse[parse_pos++] = buf[i];
2640 if (buf[i] == '\n') {
2641 parse[parse_pos] = NULLCHAR;
2642 if(chattingPartner>=0) {
2644 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2645 OutputChatMessage(chattingPartner, mess);
2646 chattingPartner = -1;
2647 next_out = i+1; // [HGM] suppress printing in ICS window
2649 if(!suppressKibitz) // [HGM] kibitz
2650 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2651 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2652 int nrDigit = 0, nrAlph = 0, j;
2653 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2654 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2655 parse[parse_pos] = NULLCHAR;
2656 // try to be smart: if it does not look like search info, it should go to
2657 // ICS interaction window after all, not to engine-output window.
2658 for(j=0; j<parse_pos; j++) { // count letters and digits
2659 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2660 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2661 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2663 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2664 int depth=0; float score;
2665 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2666 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2667 pvInfoList[forwardMostMove-1].depth = depth;
2668 pvInfoList[forwardMostMove-1].score = 100*score;
2670 OutputKibitz(suppressKibitz, parse);
2673 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2674 SendToPlayer(tmp, strlen(tmp));
2676 next_out = i+1; // [HGM] suppress printing in ICS window
2678 started = STARTED_NONE;
2680 /* Don't match patterns against characters in comment */
2685 if (started == STARTED_CHATTER) {
2686 if (buf[i] != '\n') {
2687 /* Don't match patterns against characters in chatter */
2691 started = STARTED_NONE;
2692 if(suppressKibitz) next_out = i+1;
2695 /* Kludge to deal with rcmd protocol */
2696 if (firstTime && looking_at(buf, &i, "\001*")) {
2697 DisplayFatalError(&buf[1], 0, 1);
2703 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2706 if (appData.debugMode)
2707 fprintf(debugFP, "ics_type %d\n", ics_type);
2710 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2711 ics_type = ICS_FICS;
2713 if (appData.debugMode)
2714 fprintf(debugFP, "ics_type %d\n", ics_type);
2717 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2718 ics_type = ICS_CHESSNET;
2720 if (appData.debugMode)
2721 fprintf(debugFP, "ics_type %d\n", ics_type);
2726 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2727 looking_at(buf, &i, "Logging you in as \"*\"") ||
2728 looking_at(buf, &i, "will be \"*\""))) {
2729 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
2733 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2735 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2736 DisplayIcsInteractionTitle(buf);
2737 have_set_title = TRUE;
2740 /* skip finger notes */
2741 if (started == STARTED_NONE &&
2742 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2743 (buf[i] == '1' && buf[i+1] == '0')) &&
2744 buf[i+2] == ':' && buf[i+3] == ' ') {
2745 started = STARTED_CHATTER;
2751 // [HGM] seekgraph: recognize sought lines and end-of-sought message
2752 if(appData.seekGraph) {
2753 if(soughtPending && MatchSoughtLine(buf+i)) {
2754 i = strstr(buf+i, "rated") - buf;
2755 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2756 next_out = leftover_start = i;
2757 started = STARTED_CHATTER;
2758 suppressKibitz = TRUE;
2761 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
2762 && looking_at(buf, &i, "* ads displayed")) {
2763 soughtPending = FALSE;
2768 if(appData.autoRefresh) {
2769 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
2770 int s = (ics_type == ICS_ICC); // ICC format differs
2772 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
2773 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
2774 looking_at(buf, &i, "*% "); // eat prompt
2775 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
2776 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2777 next_out = i; // suppress
2780 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
2781 char *p = star_match[0];
2783 if(seekGraphUp) RemoveSeekAd(atoi(p));
2784 while(*p && *p++ != ' '); // next
2786 looking_at(buf, &i, "*% "); // eat prompt
2787 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2794 /* skip formula vars */
2795 if (started == STARTED_NONE &&
2796 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2797 started = STARTED_CHATTER;
2802 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2803 if (appData.autoKibitz && started == STARTED_NONE &&
2804 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2805 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2806 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
2807 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2808 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2809 suppressKibitz = TRUE;
2810 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2812 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2813 && (gameMode == IcsPlayingWhite)) ||
2814 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2815 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2816 started = STARTED_CHATTER; // own kibitz we simply discard
2818 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2819 parse_pos = 0; parse[0] = NULLCHAR;
2820 savingComment = TRUE;
2821 suppressKibitz = gameMode != IcsObserving ? 2 :
2822 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2826 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
2827 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
2828 && atoi(star_match[0])) {
2829 // suppress the acknowledgements of our own autoKibitz
2831 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2832 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
2833 SendToPlayer(star_match[0], strlen(star_match[0]));
2834 if(looking_at(buf, &i, "*% ")) // eat prompt
2835 suppressKibitz = FALSE;
2839 } // [HGM] kibitz: end of patch
2841 // [HGM] chat: intercept tells by users for which we have an open chat window
2843 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2844 looking_at(buf, &i, "* whispers:") ||
2845 looking_at(buf, &i, "* kibitzes:") ||
2846 looking_at(buf, &i, "* shouts:") ||
2847 looking_at(buf, &i, "* c-shouts:") ||
2848 looking_at(buf, &i, "--> * ") ||
2849 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2850 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
2851 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
2852 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
2854 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2855 chattingPartner = -1;
2857 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2858 for(p=0; p<MAX_CHAT; p++) {
2859 if(channel == atoi(chatPartner[p])) {
2860 talker[0] = '['; strcat(talker, "] ");
2861 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
2862 chattingPartner = p; break;
2865 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
2866 for(p=0; p<MAX_CHAT; p++) {
2867 if(!strcmp("kibitzes", chatPartner[p])) {
2868 talker[0] = '['; strcat(talker, "] ");
2869 chattingPartner = p; break;
2872 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2873 for(p=0; p<MAX_CHAT; p++) {
2874 if(!strcmp("whispers", chatPartner[p])) {
2875 talker[0] = '['; strcat(talker, "] ");
2876 chattingPartner = p; break;
2879 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
2880 if(buf[i-8] == '-' && buf[i-3] == 't')
2881 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
2882 if(!strcmp("c-shouts", chatPartner[p])) {
2883 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
2884 chattingPartner = p; break;
2887 if(chattingPartner < 0)
2888 for(p=0; p<MAX_CHAT; p++) {
2889 if(!strcmp("shouts", chatPartner[p])) {
2890 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
2891 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
2892 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
2893 chattingPartner = p; break;
2897 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2898 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2899 talker[0] = 0; Colorize(ColorTell, FALSE);
2900 chattingPartner = p; break;
2902 if(chattingPartner<0) i = oldi; else {
2903 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
2904 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
2905 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2906 started = STARTED_COMMENT;
2907 parse_pos = 0; parse[0] = NULLCHAR;
2908 savingComment = 3 + chattingPartner; // counts as TRUE
2909 suppressKibitz = TRUE;
2912 } // [HGM] chat: end of patch
2914 if (appData.zippyTalk || appData.zippyPlay) {
2915 /* [DM] Backup address for color zippy lines */
2918 if (loggedOn == TRUE)
2919 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2920 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2922 } // [DM] 'else { ' deleted
2924 /* Regular tells and says */
2925 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2926 looking_at(buf, &i, "* (your partner) tells you: ") ||
2927 looking_at(buf, &i, "* says: ") ||
2928 /* Don't color "message" or "messages" output */
2929 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2930 looking_at(buf, &i, "*. * at *:*: ") ||
2931 looking_at(buf, &i, "--* (*:*): ") ||
2932 /* Message notifications (same color as tells) */
2933 looking_at(buf, &i, "* has left a message ") ||
2934 looking_at(buf, &i, "* just sent you a message:\n") ||
2935 /* Whispers and kibitzes */
2936 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2937 looking_at(buf, &i, "* kibitzes: ") ||
2939 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2941 if (tkind == 1 && strchr(star_match[0], ':')) {
2942 /* Avoid "tells you:" spoofs in channels */
2945 if (star_match[0][0] == NULLCHAR ||
2946 strchr(star_match[0], ' ') ||
2947 (tkind == 3 && strchr(star_match[1], ' '))) {
2948 /* Reject bogus matches */
2951 if (appData.colorize) {
2952 if (oldi > next_out) {
2953 SendToPlayer(&buf[next_out], oldi - next_out);
2958 Colorize(ColorTell, FALSE);
2959 curColor = ColorTell;
2962 Colorize(ColorKibitz, FALSE);
2963 curColor = ColorKibitz;
2966 p = strrchr(star_match[1], '(');
2973 Colorize(ColorChannel1, FALSE);
2974 curColor = ColorChannel1;
2976 Colorize(ColorChannel, FALSE);
2977 curColor = ColorChannel;
2981 curColor = ColorNormal;
2985 if (started == STARTED_NONE && appData.autoComment &&
2986 (gameMode == IcsObserving ||
2987 gameMode == IcsPlayingWhite ||
2988 gameMode == IcsPlayingBlack)) {
2989 parse_pos = i - oldi;
2990 memcpy(parse, &buf[oldi], parse_pos);
2991 parse[parse_pos] = NULLCHAR;
2992 started = STARTED_COMMENT;
2993 savingComment = TRUE;
2995 started = STARTED_CHATTER;
2996 savingComment = FALSE;
3003 if (looking_at(buf, &i, "* s-shouts: ") ||
3004 looking_at(buf, &i, "* c-shouts: ")) {
3005 if (appData.colorize) {
3006 if (oldi > next_out) {
3007 SendToPlayer(&buf[next_out], oldi - next_out);
3010 Colorize(ColorSShout, FALSE);
3011 curColor = ColorSShout;
3014 started = STARTED_CHATTER;
3018 if (looking_at(buf, &i, "--->")) {
3023 if (looking_at(buf, &i, "* shouts: ") ||
3024 looking_at(buf, &i, "--> ")) {
3025 if (appData.colorize) {
3026 if (oldi > next_out) {
3027 SendToPlayer(&buf[next_out], oldi - next_out);
3030 Colorize(ColorShout, FALSE);
3031 curColor = ColorShout;
3034 started = STARTED_CHATTER;
3038 if (looking_at( buf, &i, "Challenge:")) {
3039 if (appData.colorize) {
3040 if (oldi > next_out) {
3041 SendToPlayer(&buf[next_out], oldi - next_out);
3044 Colorize(ColorChallenge, FALSE);
3045 curColor = ColorChallenge;
3051 if (looking_at(buf, &i, "* offers you") ||
3052 looking_at(buf, &i, "* offers to be") ||
3053 looking_at(buf, &i, "* would like to") ||
3054 looking_at(buf, &i, "* requests to") ||
3055 looking_at(buf, &i, "Your opponent offers") ||
3056 looking_at(buf, &i, "Your opponent requests")) {
3058 if (appData.colorize) {
3059 if (oldi > next_out) {
3060 SendToPlayer(&buf[next_out], oldi - next_out);
3063 Colorize(ColorRequest, FALSE);
3064 curColor = ColorRequest;
3069 if (looking_at(buf, &i, "* (*) seeking")) {
3070 if (appData.colorize) {
3071 if (oldi > next_out) {
3072 SendToPlayer(&buf[next_out], oldi - next_out);
3075 Colorize(ColorSeek, FALSE);
3076 curColor = ColorSeek;
3081 if (looking_at(buf, &i, "\\ ")) {
3082 if (prevColor != ColorNormal) {
3083 if (oldi > next_out) {
3084 SendToPlayer(&buf[next_out], oldi - next_out);
3087 Colorize(prevColor, TRUE);
3088 curColor = prevColor;
3090 if (savingComment) {
3091 parse_pos = i - oldi;
3092 memcpy(parse, &buf[oldi], parse_pos);
3093 parse[parse_pos] = NULLCHAR;
3094 started = STARTED_COMMENT;
3095 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3096 chattingPartner = savingComment - 3; // kludge to remember the box
3098 started = STARTED_CHATTER;
3103 if (looking_at(buf, &i, "Black Strength :") ||
3104 looking_at(buf, &i, "<<< style 10 board >>>") ||
3105 looking_at(buf, &i, "<10>") ||
3106 looking_at(buf, &i, "#@#")) {
3107 /* Wrong board style */
3109 SendToICS(ics_prefix);
3110 SendToICS("set style 12\n");
3111 SendToICS(ics_prefix);
3112 SendToICS("refresh\n");
3116 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3118 have_sent_ICS_logon = 1;
3119 /* if we don't send the login/password via icsLogon, use special readline
3121 if (strlen(appData.icsLogon)==0)
3123 sending_ICS_password = 0; // in case we come back to login
3124 sending_ICS_login = 1;
3128 /* need to shadow the password */
3129 if (!sending_ICS_password && looking_at(buf, &i, "password:")) {
3130 /* if we don't send the login/password via icsLogon, use special readline
3132 if (strlen(appData.icsLogon)==0)
3133 sending_ICS_password = 1;
3137 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3138 (looking_at(buf, &i, "\n<12> ") ||
3139 looking_at(buf, &i, "<12> "))) {
3141 if (oldi > next_out) {
3142 SendToPlayer(&buf[next_out], oldi - next_out);
3145 started = STARTED_BOARD;
3150 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3151 looking_at(buf, &i, "<b1> ")) {
3152 if (oldi > next_out) {
3153 SendToPlayer(&buf[next_out], oldi - next_out);
3156 started = STARTED_HOLDINGS;
3161 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3163 /* Header for a move list -- first line */
3165 switch (ics_getting_history) {
3169 case BeginningOfGame:
3170 /* User typed "moves" or "oldmoves" while we
3171 were idle. Pretend we asked for these
3172 moves and soak them up so user can step
3173 through them and/or save them.
3176 gameMode = IcsObserving;
3179 ics_getting_history = H_GOT_UNREQ_HEADER;
3181 case EditGame: /*?*/
3182 case EditPosition: /*?*/
3183 /* Should above feature work in these modes too? */
3184 /* For now it doesn't */
3185 ics_getting_history = H_GOT_UNWANTED_HEADER;
3188 ics_getting_history = H_GOT_UNWANTED_HEADER;
3193 /* Is this the right one? */
3194 if (gameInfo.white && gameInfo.black &&
3195 strcmp(gameInfo.white, star_match[0]) == 0 &&
3196 strcmp(gameInfo.black, star_match[2]) == 0) {
3198 ics_getting_history = H_GOT_REQ_HEADER;
3201 case H_GOT_REQ_HEADER:
3202 case H_GOT_UNREQ_HEADER:
3203 case H_GOT_UNWANTED_HEADER:
3204 case H_GETTING_MOVES:
3205 /* Should not happen */
3206 DisplayError(_("Error gathering move list: two headers"), 0);
3207 ics_getting_history = H_FALSE;
3211 /* Save player ratings into gameInfo if needed */
3212 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3213 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3214 (gameInfo.whiteRating == -1 ||
3215 gameInfo.blackRating == -1)) {
3217 gameInfo.whiteRating = string_to_rating(star_match[1]);
3218 gameInfo.blackRating = string_to_rating(star_match[3]);
3219 if (appData.debugMode)
3220 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3221 gameInfo.whiteRating, gameInfo.blackRating);
3226 if (looking_at(buf, &i,
3227 "* * match, initial time: * minute*, increment: * second")) {
3228 /* Header for a move list -- second line */
3229 /* Initial board will follow if this is a wild game */
3230 if (gameInfo.event != NULL) free(gameInfo.event);
3231 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3232 gameInfo.event = StrSave(str);
3233 /* [HGM] we switched variant. Translate boards if needed. */
3234 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3238 if (looking_at(buf, &i, "Move ")) {
3239 /* Beginning of a move list */
3240 switch (ics_getting_history) {
3242 /* Normally should not happen */
3243 /* Maybe user hit reset while we were parsing */
3246 /* Happens if we are ignoring a move list that is not
3247 * the one we just requested. Common if the user
3248 * tries to observe two games without turning off
3251 case H_GETTING_MOVES:
3252 /* Should not happen */
3253 DisplayError(_("Error gathering move list: nested"), 0);
3254 ics_getting_history = H_FALSE;
3256 case H_GOT_REQ_HEADER:
3257 ics_getting_history = H_GETTING_MOVES;
3258 started = STARTED_MOVES;
3260 if (oldi > next_out) {
3261 SendToPlayer(&buf[next_out], oldi - next_out);
3264 case H_GOT_UNREQ_HEADER:
3265 ics_getting_history = H_GETTING_MOVES;
3266 started = STARTED_MOVES_NOHIDE;
3269 case H_GOT_UNWANTED_HEADER:
3270 ics_getting_history = H_FALSE;
3276 if (looking_at(buf, &i, "% ") ||
3277 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3278 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3279 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3280 soughtPending = FALSE;
3284 if(suppressKibitz) next_out = i;
3285 savingComment = FALSE;
3289 case STARTED_MOVES_NOHIDE:
3290 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3291 parse[parse_pos + i - oldi] = NULLCHAR;
3292 ParseGameHistory(parse);
3294 if (appData.zippyPlay && first.initDone) {
3295 FeedMovesToProgram(&first, forwardMostMove);
3296 if (gameMode == IcsPlayingWhite) {
3297 if (WhiteOnMove(forwardMostMove)) {
3298 if (first.sendTime) {
3299 if (first.useColors) {
3300 SendToProgram("black\n", &first);
3302 SendTimeRemaining(&first, TRUE);
3304 if (first.useColors) {
3305 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3307 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3308 first.maybeThinking = TRUE;
3310 if (first.usePlayother) {
3311 if (first.sendTime) {
3312 SendTimeRemaining(&first, TRUE);
3314 SendToProgram("playother\n", &first);
3320 } else if (gameMode == IcsPlayingBlack) {
3321 if (!WhiteOnMove(forwardMostMove)) {
3322 if (first.sendTime) {
3323 if (first.useColors) {
3324 SendToProgram("white\n", &first);
3326 SendTimeRemaining(&first, FALSE);
3328 if (first.useColors) {
3329 SendToProgram("black\n", &first);
3331 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3332 first.maybeThinking = TRUE;
3334 if (first.usePlayother) {
3335 if (first.sendTime) {
3336 SendTimeRemaining(&first, FALSE);
3338 SendToProgram("playother\n", &first);
3347 if (gameMode == IcsObserving && ics_gamenum == -1) {
3348 /* Moves came from oldmoves or moves command
3349 while we weren't doing anything else.
3351 currentMove = forwardMostMove;
3352 ClearHighlights();/*!!could figure this out*/
3353 flipView = appData.flipView;
3354 DrawPosition(TRUE, boards[currentMove]);
3355 DisplayBothClocks();
3356 snprintf(str, MSG_SIZ, "%s vs. %s",
3357 gameInfo.white, gameInfo.black);
3361 /* Moves were history of an active game */
3362 if (gameInfo.resultDetails != NULL) {
3363 free(gameInfo.resultDetails);
3364 gameInfo.resultDetails = NULL;
3367 HistorySet(parseList, backwardMostMove,
3368 forwardMostMove, currentMove-1);
3369 DisplayMove(currentMove - 1);
3370 if (started == STARTED_MOVES) next_out = i;
3371 started = STARTED_NONE;
3372 ics_getting_history = H_FALSE;
3375 case STARTED_OBSERVE:
3376 started = STARTED_NONE;
3377 SendToICS(ics_prefix);
3378 SendToICS("refresh\n");
3384 if(bookHit) { // [HGM] book: simulate book reply
3385 static char bookMove[MSG_SIZ]; // a bit generous?
3387 programStats.nodes = programStats.depth = programStats.time =
3388 programStats.score = programStats.got_only_move = 0;
3389 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3391 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3392 strcat(bookMove, bookHit);
3393 HandleMachineMove(bookMove, &first);
3398 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3399 started == STARTED_HOLDINGS ||
3400 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3401 /* Accumulate characters in move list or board */
3402 parse[parse_pos++] = buf[i];
3405 /* Start of game messages. Mostly we detect start of game
3406 when the first board image arrives. On some versions
3407 of the ICS, though, we need to do a "refresh" after starting
3408 to observe in order to get the current board right away. */
3409 if (looking_at(buf, &i, "Adding game * to observation list")) {
3410 started = STARTED_OBSERVE;
3414 /* Handle auto-observe */
3415 if (appData.autoObserve &&
3416 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3417 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3419 /* Choose the player that was highlighted, if any. */
3420 if (star_match[0][0] == '\033' ||
3421 star_match[1][0] != '\033') {
3422 player = star_match[0];
3424 player = star_match[2];
3426 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3427 ics_prefix, StripHighlightAndTitle(player));
3430 /* Save ratings from notify string */
3431 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3432 player1Rating = string_to_rating(star_match[1]);
3433 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3434 player2Rating = string_to_rating(star_match[3]);
3436 if (appData.debugMode)
3438 "Ratings from 'Game notification:' %s %d, %s %d\n",
3439 player1Name, player1Rating,
3440 player2Name, player2Rating);
3445 /* Deal with automatic examine mode after a game,
3446 and with IcsObserving -> IcsExamining transition */
3447 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3448 looking_at(buf, &i, "has made you an examiner of game *")) {
3450 int gamenum = atoi(star_match[0]);
3451 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3452 gamenum == ics_gamenum) {
3453 /* We were already playing or observing this game;
3454 no need to refetch history */
3455 gameMode = IcsExamining;
3457 pauseExamForwardMostMove = forwardMostMove;
3458 } else if (currentMove < forwardMostMove) {
3459 ForwardInner(forwardMostMove);
3462 /* I don't think this case really can happen */
3463 SendToICS(ics_prefix);
3464 SendToICS("refresh\n");
3469 /* Error messages */
3470 // if (ics_user_moved) {
3471 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3472 if (looking_at(buf, &i, "Illegal move") ||
3473 looking_at(buf, &i, "Not a legal move") ||
3474 looking_at(buf, &i, "Your king is in check") ||
3475 looking_at(buf, &i, "It isn't your turn") ||
3476 looking_at(buf, &i, "It is not your move")) {
3478 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3479 currentMove = forwardMostMove-1;
3480 DisplayMove(currentMove - 1); /* before DMError */
3481 DrawPosition(FALSE, boards[currentMove]);
3482 SwitchClocks(forwardMostMove-1); // [HGM] race
3483 DisplayBothClocks();
3485 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3491 if (looking_at(buf, &i, "still have time") ||
3492 looking_at(buf, &i, "not out of time") ||
3493 looking_at(buf, &i, "either player is out of time") ||
3494 looking_at(buf, &i, "has timeseal; checking")) {
3495 /* We must have called his flag a little too soon */
3496 whiteFlag = blackFlag = FALSE;
3500 if (looking_at(buf, &i, "added * seconds to") ||
3501 looking_at(buf, &i, "seconds were added to")) {
3502 /* Update the clocks */
3503 SendToICS(ics_prefix);
3504 SendToICS("refresh\n");
3508 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3509 ics_clock_paused = TRUE;
3514 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3515 ics_clock_paused = FALSE;
3520 /* Grab player ratings from the Creating: message.
3521 Note we have to check for the special case when
3522 the ICS inserts things like [white] or [black]. */
3523 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3524 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3526 0 player 1 name (not necessarily white)
3528 2 empty, white, or black (IGNORED)
3529 3 player 2 name (not necessarily black)
3532 The names/ratings are sorted out when the game
3533 actually starts (below).
3535 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3536 player1Rating = string_to_rating(star_match[1]);
3537 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3538 player2Rating = string_to_rating(star_match[4]);
3540 if (appData.debugMode)
3542 "Ratings from 'Creating:' %s %d, %s %d\n",
3543 player1Name, player1Rating,
3544 player2Name, player2Rating);
3549 /* Improved generic start/end-of-game messages */
3550 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3551 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3552 /* If tkind == 0: */
3553 /* star_match[0] is the game number */
3554 /* [1] is the white player's name */
3555 /* [2] is the black player's name */
3556 /* For end-of-game: */
3557 /* [3] is the reason for the game end */
3558 /* [4] is a PGN end game-token, preceded by " " */
3559 /* For start-of-game: */
3560 /* [3] begins with "Creating" or "Continuing" */
3561 /* [4] is " *" or empty (don't care). */
3562 int gamenum = atoi(star_match[0]);
3563 char *whitename, *blackname, *why, *endtoken;
3564 ChessMove endtype = EndOfFile;
3567 whitename = star_match[1];
3568 blackname = star_match[2];
3569 why = star_match[3];
3570 endtoken = star_match[4];
3572 whitename = star_match[1];
3573 blackname = star_match[3];
3574 why = star_match[5];
3575 endtoken = star_match[6];
3578 /* Game start messages */
3579 if (strncmp(why, "Creating ", 9) == 0 ||
3580 strncmp(why, "Continuing ", 11) == 0) {
3581 gs_gamenum = gamenum;
3582 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3583 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3585 if (appData.zippyPlay) {
3586 ZippyGameStart(whitename, blackname);
3589 partnerBoardValid = FALSE; // [HGM] bughouse
3593 /* Game end messages */
3594 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3595 ics_gamenum != gamenum) {
3598 while (endtoken[0] == ' ') endtoken++;
3599 switch (endtoken[0]) {
3602 endtype = GameUnfinished;
3605 endtype = BlackWins;
3608 if (endtoken[1] == '/')
3609 endtype = GameIsDrawn;
3611 endtype = WhiteWins;
3614 GameEnds(endtype, why, GE_ICS);
3616 if (appData.zippyPlay && first.initDone) {
3617 ZippyGameEnd(endtype, why);
3618 if (first.pr == NULL) {
3619 /* Start the next process early so that we'll
3620 be ready for the next challenge */
3621 StartChessProgram(&first);
3623 /* Send "new" early, in case this command takes
3624 a long time to finish, so that we'll be ready
3625 for the next challenge. */
3626 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3630 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3634 if (looking_at(buf, &i, "Removing game * from observation") ||
3635 looking_at(buf, &i, "no longer observing game *") ||
3636 looking_at(buf, &i, "Game * (*) has no examiners")) {
3637 if (gameMode == IcsObserving &&
3638 atoi(star_match[0]) == ics_gamenum)
3640 /* icsEngineAnalyze */
3641 if (appData.icsEngineAnalyze) {
3648 ics_user_moved = FALSE;
3653 if (looking_at(buf, &i, "no longer examining game *")) {
3654 if (gameMode == IcsExamining &&
3655 atoi(star_match[0]) == ics_gamenum)
3659 ics_user_moved = FALSE;
3664 /* Advance leftover_start past any newlines we find,
3665 so only partial lines can get reparsed */
3666 if (looking_at(buf, &i, "\n")) {
3667 prevColor = curColor;
3668 if (curColor != ColorNormal) {
3669 if (oldi > next_out) {
3670 SendToPlayer(&buf[next_out], oldi - next_out);
3673 Colorize(ColorNormal, FALSE);
3674 curColor = ColorNormal;
3676 if (started == STARTED_BOARD) {
3677 started = STARTED_NONE;
3678 parse[parse_pos] = NULLCHAR;
3679 ParseBoard12(parse);
3682 /* Send premove here */
3683 if (appData.premove) {
3685 if (currentMove == 0 &&
3686 gameMode == IcsPlayingWhite &&
3687 appData.premoveWhite) {
3688 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3689 if (appData.debugMode)
3690 fprintf(debugFP, "Sending premove:\n");
3692 } else if (currentMove == 1 &&
3693 gameMode == IcsPlayingBlack &&
3694 appData.premoveBlack) {
3695 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3696 if (appData.debugMode)
3697 fprintf(debugFP, "Sending premove:\n");
3699 } else if (gotPremove) {
3701 ClearPremoveHighlights();
3702 if (appData.debugMode)
3703 fprintf(debugFP, "Sending premove:\n");
3704 UserMoveEvent(premoveFromX, premoveFromY,
3705 premoveToX, premoveToY,
3710 /* Usually suppress following prompt */
3711 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3712 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3713 if (looking_at(buf, &i, "*% ")) {
3714 savingComment = FALSE;
3719 } else if (started == STARTED_HOLDINGS) {
3721 char new_piece[MSG_SIZ];
3722 started = STARTED_NONE;
3723 parse[parse_pos] = NULLCHAR;
3724 if (appData.debugMode)
3725 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3726 parse, currentMove);
3727 if (sscanf(parse, " game %d", &gamenum) == 1) {
3728 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
3729 if (gameInfo.variant == VariantNormal) {
3730 /* [HGM] We seem to switch variant during a game!
3731 * Presumably no holdings were displayed, so we have
3732 * to move the position two files to the right to
3733 * create room for them!
3735 VariantClass newVariant;
3736 switch(gameInfo.boardWidth) { // base guess on board width
3737 case 9: newVariant = VariantShogi; break;
3738 case 10: newVariant = VariantGreat; break;
3739 default: newVariant = VariantCrazyhouse; break;
3741 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3742 /* Get a move list just to see the header, which
3743 will tell us whether this is really bug or zh */
3744 if (ics_getting_history == H_FALSE) {
3745 ics_getting_history = H_REQUESTED;
3746 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
3750 new_piece[0] = NULLCHAR;
3751 sscanf(parse, "game %d white [%s black [%s <- %s",
3752 &gamenum, white_holding, black_holding,
3754 white_holding[strlen(white_holding)-1] = NULLCHAR;
3755 black_holding[strlen(black_holding)-1] = NULLCHAR;
3756 /* [HGM] copy holdings to board holdings area */
3757 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3758 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3759 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3761 if (appData.zippyPlay && first.initDone) {
3762 ZippyHoldings(white_holding, black_holding,
3766 if (tinyLayout || smallLayout) {
3767 char wh[16], bh[16];
3768 PackHolding(wh, white_holding);
3769 PackHolding(bh, black_holding);
3770 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
3771 gameInfo.white, gameInfo.black);
3773 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
3774 gameInfo.white, white_holding,
3775 gameInfo.black, black_holding);
3777 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
3778 DrawPosition(FALSE, boards[currentMove]);
3780 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
3781 sscanf(parse, "game %d white [%s black [%s <- %s",
3782 &gamenum, white_holding, black_holding,
3784 white_holding[strlen(white_holding)-1] = NULLCHAR;
3785 black_holding[strlen(black_holding)-1] = NULLCHAR;
3786 /* [HGM] copy holdings to partner-board holdings area */
3787 CopyHoldings(partnerBoard, white_holding, WhitePawn);
3788 CopyHoldings(partnerBoard, black_holding, BlackPawn);
3789 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
3790 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3791 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
3794 /* Suppress following prompt */
3795 if (looking_at(buf, &i, "*% ")) {
3796 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3797 savingComment = FALSE;
3805 i++; /* skip unparsed character and loop back */
3808 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3809 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3810 // SendToPlayer(&buf[next_out], i - next_out);
3811 started != STARTED_HOLDINGS && leftover_start > next_out) {
3812 SendToPlayer(&buf[next_out], leftover_start - next_out);
3816 leftover_len = buf_len - leftover_start;
3817 /* if buffer ends with something we couldn't parse,
3818 reparse it after appending the next read */
3820 } else if (count == 0) {
3821 RemoveInputSource(isr);
3822 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3824 DisplayFatalError(_("Error reading from ICS"), error, 1);
3829 /* Board style 12 looks like this:
3831 <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
3833 * The "<12> " is stripped before it gets to this routine. The two
3834 * trailing 0's (flip state and clock ticking) are later addition, and
3835 * some chess servers may not have them, or may have only the first.
3836 * Additional trailing fields may be added in the future.
3839 #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"
3841 #define RELATION_OBSERVING_PLAYED 0
3842 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3843 #define RELATION_PLAYING_MYMOVE 1
3844 #define RELATION_PLAYING_NOTMYMOVE -1
3845 #define RELATION_EXAMINING 2
3846 #define RELATION_ISOLATED_BOARD -3
3847 #define RELATION_STARTING_POSITION -4 /* FICS only */
3850 ParseBoard12(string)
3853 GameMode newGameMode;
3854 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3855 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3856 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3857 char to_play, board_chars[200];
3858 char move_str[500], str[500], elapsed_time[500];
3859 char black[32], white[32];
3861 int prevMove = currentMove;
3864 int fromX, fromY, toX, toY;
3866 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3867 char *bookHit = NULL; // [HGM] book
3868 Boolean weird = FALSE, reqFlag = FALSE;
3870 fromX = fromY = toX = toY = -1;
3874 if (appData.debugMode)
3875 fprintf(debugFP, _("Parsing board: %s\n"), string);
3877 move_str[0] = NULLCHAR;
3878 elapsed_time[0] = NULLCHAR;
3879 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3881 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3882 if(string[i] == ' ') { ranks++; files = 0; }
3884 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3887 for(j = 0; j <i; j++) board_chars[j] = string[j];
3888 board_chars[i] = '\0';
3891 n = sscanf(string, PATTERN, &to_play, &double_push,
3892 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3893 &gamenum, white, black, &relation, &basetime, &increment,
3894 &white_stren, &black_stren, &white_time, &black_time,
3895 &moveNum, str, elapsed_time, move_str, &ics_flip,
3899 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3900 DisplayError(str, 0);
3904 /* Convert the move number to internal form */
3905 moveNum = (moveNum - 1) * 2;
3906 if (to_play == 'B') moveNum++;
3907 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3908 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3914 case RELATION_OBSERVING_PLAYED:
3915 case RELATION_OBSERVING_STATIC:
3916 if (gamenum == -1) {
3917 /* Old ICC buglet */
3918 relation = RELATION_OBSERVING_STATIC;
3920 newGameMode = IcsObserving;
3922 case RELATION_PLAYING_MYMOVE:
3923 case RELATION_PLAYING_NOTMYMOVE:
3925 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3926 IcsPlayingWhite : IcsPlayingBlack;
3928 case RELATION_EXAMINING:
3929 newGameMode = IcsExamining;
3931 case RELATION_ISOLATED_BOARD:
3933 /* Just display this board. If user was doing something else,
3934 we will forget about it until the next board comes. */
3935 newGameMode = IcsIdle;
3937 case RELATION_STARTING_POSITION:
3938 newGameMode = gameMode;
3942 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
3943 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
3944 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
3946 for (k = 0; k < ranks; k++) {
3947 for (j = 0; j < files; j++)
3948 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3949 if(gameInfo.holdingsWidth > 1) {
3950 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3951 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3954 CopyBoard(partnerBoard, board);
3955 if(toSqr = strchr(str, '/')) { // extract highlights from long move
3956 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
3957 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
3958 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
3959 if(toSqr = strchr(str, '-')) {
3960 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
3961 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
3962 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
3963 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
3964 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
3965 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3966 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
3967 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
3968 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
3969 DisplayMessage(partnerStatus, "");
3970 partnerBoardValid = TRUE;
3974 /* Modify behavior for initial board display on move listing
3977 switch (ics_getting_history) {
3981 case H_GOT_REQ_HEADER:
3982 case H_GOT_UNREQ_HEADER:
3983 /* This is the initial position of the current game */
3984 gamenum = ics_gamenum;
3985 moveNum = 0; /* old ICS bug workaround */
3986 if (to_play == 'B') {
3987 startedFromSetupPosition = TRUE;
3988 blackPlaysFirst = TRUE;
3990 if (forwardMostMove == 0) forwardMostMove = 1;
3991 if (backwardMostMove == 0) backwardMostMove = 1;
3992 if (currentMove == 0) currentMove = 1;
3994 newGameMode = gameMode;
3995 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3997 case H_GOT_UNWANTED_HEADER:
3998 /* This is an initial board that we don't want */
4000 case H_GETTING_MOVES:
4001 /* Should not happen */
4002 DisplayError(_("Error gathering move list: extra board"), 0);
4003 ics_getting_history = H_FALSE;
4007 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4008 weird && (int)gameInfo.variant < (int)VariantShogi) {
4009 /* [HGM] We seem to have switched variant unexpectedly
4010 * Try to guess new variant from board size
4012 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4013 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4014 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4015 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4016 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4017 if(!weird) newVariant = VariantNormal;
4018 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4019 /* Get a move list just to see the header, which
4020 will tell us whether this is really bug or zh */
4021 if (ics_getting_history == H_FALSE) {
4022 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4023 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4028 /* Take action if this is the first board of a new game, or of a
4029 different game than is currently being displayed. */
4030 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4031 relation == RELATION_ISOLATED_BOARD) {
4033 /* Forget the old game and get the history (if any) of the new one */
4034 if (gameMode != BeginningOfGame) {
4038 if (appData.autoRaiseBoard) BoardToTop();
4040 if (gamenum == -1) {
4041 newGameMode = IcsIdle;
4042 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4043 appData.getMoveList && !reqFlag) {
4044 /* Need to get game history */
4045 ics_getting_history = H_REQUESTED;
4046 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4050 /* Initially flip the board to have black on the bottom if playing
4051 black or if the ICS flip flag is set, but let the user change
4052 it with the Flip View button. */
4053 flipView = appData.autoFlipView ?
4054 (newGameMode == IcsPlayingBlack) || ics_flip :
4057 /* Done with values from previous mode; copy in new ones */
4058 gameMode = newGameMode;
4060 ics_gamenum = gamenum;
4061 if (gamenum == gs_gamenum) {
4062 int klen = strlen(gs_kind);
4063 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4064 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4065 gameInfo.event = StrSave(str);
4067 gameInfo.event = StrSave("ICS game");
4069 gameInfo.site = StrSave(appData.icsHost);
4070 gameInfo.date = PGNDate();
4071 gameInfo.round = StrSave("-");
4072 gameInfo.white = StrSave(white);
4073 gameInfo.black = StrSave(black);
4074 timeControl = basetime * 60 * 1000;
4076 timeIncrement = increment * 1000;
4077 movesPerSession = 0;
4078 gameInfo.timeControl = TimeControlTagValue();
4079 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4080 if (appData.debugMode) {
4081 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4082 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4083 setbuf(debugFP, NULL);
4086 gameInfo.outOfBook = NULL;
4088 /* Do we have the ratings? */
4089 if (strcmp(player1Name, white) == 0 &&
4090 strcmp(player2Name, black) == 0) {
4091 if (appData.debugMode)
4092 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4093 player1Rating, player2Rating);
4094 gameInfo.whiteRating = player1Rating;
4095 gameInfo.blackRating = player2Rating;
4096 } else if (strcmp(player2Name, white) == 0 &&
4097 strcmp(player1Name, black) == 0) {
4098 if (appData.debugMode)
4099 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4100 player2Rating, player1Rating);
4101 gameInfo.whiteRating = player2Rating;
4102 gameInfo.blackRating = player1Rating;
4104 player1Name[0] = player2Name[0] = NULLCHAR;
4106 /* Silence shouts if requested */
4107 if (appData.quietPlay &&
4108 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4109 SendToICS(ics_prefix);
4110 SendToICS("set shout 0\n");
4114 /* Deal with midgame name changes */
4116 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4117 if (gameInfo.white) free(gameInfo.white);
4118 gameInfo.white = StrSave(white);
4120 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4121 if (gameInfo.black) free(gameInfo.black);
4122 gameInfo.black = StrSave(black);
4126 /* Throw away game result if anything actually changes in examine mode */
4127 if (gameMode == IcsExamining && !newGame) {
4128 gameInfo.result = GameUnfinished;
4129 if (gameInfo.resultDetails != NULL) {
4130 free(gameInfo.resultDetails);
4131 gameInfo.resultDetails = NULL;
4135 /* In pausing && IcsExamining mode, we ignore boards coming
4136 in if they are in a different variation than we are. */
4137 if (pauseExamInvalid) return;
4138 if (pausing && gameMode == IcsExamining) {
4139 if (moveNum <= pauseExamForwardMostMove) {
4140 pauseExamInvalid = TRUE;
4141 forwardMostMove = pauseExamForwardMostMove;
4146 if (appData.debugMode) {
4147 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4149 /* Parse the board */
4150 for (k = 0; k < ranks; k++) {
4151 for (j = 0; j < files; j++)
4152 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4153 if(gameInfo.holdingsWidth > 1) {
4154 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4155 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4158 CopyBoard(boards[moveNum], board);
4159 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4161 startedFromSetupPosition =
4162 !CompareBoards(board, initialPosition);
4163 if(startedFromSetupPosition)
4164 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4167 /* [HGM] Set castling rights. Take the outermost Rooks,
4168 to make it also work for FRC opening positions. Note that board12
4169 is really defective for later FRC positions, as it has no way to
4170 indicate which Rook can castle if they are on the same side of King.
4171 For the initial position we grant rights to the outermost Rooks,
4172 and remember thos rights, and we then copy them on positions
4173 later in an FRC game. This means WB might not recognize castlings with
4174 Rooks that have moved back to their original position as illegal,
4175 but in ICS mode that is not its job anyway.
4177 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4178 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4180 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4181 if(board[0][i] == WhiteRook) j = i;
4182 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4183 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4184 if(board[0][i] == WhiteRook) j = i;
4185 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4186 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4187 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4188 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4189 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4190 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4191 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4193 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4194 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4195 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4196 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4197 if(board[BOARD_HEIGHT-1][k] == bKing)
4198 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4199 if(gameInfo.variant == VariantTwoKings) {
4200 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4201 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4202 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4205 r = boards[moveNum][CASTLING][0] = initialRights[0];
4206 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4207 r = boards[moveNum][CASTLING][1] = initialRights[1];
4208 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4209 r = boards[moveNum][CASTLING][3] = initialRights[3];
4210 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4211 r = boards[moveNum][CASTLING][4] = initialRights[4];
4212 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4213 /* wildcastle kludge: always assume King has rights */
4214 r = boards[moveNum][CASTLING][2] = initialRights[2];
4215 r = boards[moveNum][CASTLING][5] = initialRights[5];
4217 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4218 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4221 if (ics_getting_history == H_GOT_REQ_HEADER ||
4222 ics_getting_history == H_GOT_UNREQ_HEADER) {
4223 /* This was an initial position from a move list, not
4224 the current position */
4228 /* Update currentMove and known move number limits */
4229 newMove = newGame || moveNum > forwardMostMove;
4232 forwardMostMove = backwardMostMove = currentMove = moveNum;
4233 if (gameMode == IcsExamining && moveNum == 0) {
4234 /* Workaround for ICS limitation: we are not told the wild
4235 type when starting to examine a game. But if we ask for
4236 the move list, the move list header will tell us */
4237 ics_getting_history = H_REQUESTED;
4238 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4241 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4242 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4244 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4245 /* [HGM] applied this also to an engine that is silently watching */
4246 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4247 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4248 gameInfo.variant == currentlyInitializedVariant) {
4249 takeback = forwardMostMove - moveNum;
4250 for (i = 0; i < takeback; i++) {
4251 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4252 SendToProgram("undo\n", &first);
4257 forwardMostMove = moveNum;
4258 if (!pausing || currentMove > forwardMostMove)
4259 currentMove = forwardMostMove;
4261 /* New part of history that is not contiguous with old part */
4262 if (pausing && gameMode == IcsExamining) {
4263 pauseExamInvalid = TRUE;
4264 forwardMostMove = pauseExamForwardMostMove;
4267 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4269 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4270 // [HGM] when we will receive the move list we now request, it will be
4271 // fed to the engine from the first move on. So if the engine is not
4272 // in the initial position now, bring it there.
4273 InitChessProgram(&first, 0);
4276 ics_getting_history = H_REQUESTED;
4277 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4280 forwardMostMove = backwardMostMove = currentMove = moveNum;
4283 /* Update the clocks */
4284 if (strchr(elapsed_time, '.')) {
4286 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4287 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4289 /* Time is in seconds */
4290 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4291 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4296 if (appData.zippyPlay && newGame &&
4297 gameMode != IcsObserving && gameMode != IcsIdle &&
4298 gameMode != IcsExamining)
4299 ZippyFirstBoard(moveNum, basetime, increment);
4302 /* Put the move on the move list, first converting
4303 to canonical algebraic form. */
4305 if (appData.debugMode) {
4306 if (appData.debugMode) { int f = forwardMostMove;
4307 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4308 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4309 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4311 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4312 fprintf(debugFP, "moveNum = %d\n", moveNum);
4313 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4314 setbuf(debugFP, NULL);
4316 if (moveNum <= backwardMostMove) {
4317 /* We don't know what the board looked like before
4319 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4320 strcat(parseList[moveNum - 1], " ");
4321 strcat(parseList[moveNum - 1], elapsed_time);
4322 moveList[moveNum - 1][0] = NULLCHAR;
4323 } else if (strcmp(move_str, "none") == 0) {
4324 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4325 /* Again, we don't know what the board looked like;
4326 this is really the start of the game. */
4327 parseList[moveNum - 1][0] = NULLCHAR;
4328 moveList[moveNum - 1][0] = NULLCHAR;
4329 backwardMostMove = moveNum;
4330 startedFromSetupPosition = TRUE;
4331 fromX = fromY = toX = toY = -1;
4333 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4334 // So we parse the long-algebraic move string in stead of the SAN move
4335 int valid; char buf[MSG_SIZ], *prom;
4337 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4338 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4339 // str looks something like "Q/a1-a2"; kill the slash
4341 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4342 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4343 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4344 strcat(buf, prom); // long move lacks promo specification!
4345 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4346 if(appData.debugMode)
4347 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4348 safeStrCpy(move_str, buf, sizeof(move_str)/sizeof(move_str[0]));
4350 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4351 &fromX, &fromY, &toX, &toY, &promoChar)
4352 || ParseOneMove(buf, moveNum - 1, &moveType,
4353 &fromX, &fromY, &toX, &toY, &promoChar);
4354 // end of long SAN patch
4356 (void) CoordsToAlgebraic(boards[moveNum - 1],
4357 PosFlags(moveNum - 1),
4358 fromY, fromX, toY, toX, promoChar,
4359 parseList[moveNum-1]);
4360 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4366 if(gameInfo.variant != VariantShogi)
4367 strcat(parseList[moveNum - 1], "+");
4370 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4371 strcat(parseList[moveNum - 1], "#");
4374 strcat(parseList[moveNum - 1], " ");
4375 strcat(parseList[moveNum - 1], elapsed_time);
4376 /* currentMoveString is set as a side-effect of ParseOneMove */
4377 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4378 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4379 strcat(moveList[moveNum - 1], "\n");
4381 if(gameInfo.holdingsWidth && !appData.disguise) // inherit info that ICS does not give from previous board
4382 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4383 ChessSquare old, new = boards[moveNum][k][j];
4384 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4385 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4386 if(old == new) continue;
4387 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4388 else if(new == WhiteWazir || new == BlackWazir) {
4389 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4390 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4391 else boards[moveNum][k][j] = old; // preserve type of Gold
4392 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4393 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4396 /* Move from ICS was illegal!? Punt. */
4397 if (appData.debugMode) {
4398 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4399 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4401 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4402 strcat(parseList[moveNum - 1], " ");
4403 strcat(parseList[moveNum - 1], elapsed_time);
4404 moveList[moveNum - 1][0] = NULLCHAR;
4405 fromX = fromY = toX = toY = -1;
4408 if (appData.debugMode) {
4409 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4410 setbuf(debugFP, NULL);
4414 /* Send move to chess program (BEFORE animating it). */
4415 if (appData.zippyPlay && !newGame && newMove &&
4416 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4418 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4419 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4420 if (moveList[moveNum - 1][0] == NULLCHAR) {
4421 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4423 DisplayError(str, 0);
4425 if (first.sendTime) {
4426 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4428 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4429 if (firstMove && !bookHit) {
4431 if (first.useColors) {
4432 SendToProgram(gameMode == IcsPlayingWhite ?
4434 "black\ngo\n", &first);
4436 SendToProgram("go\n", &first);
4438 first.maybeThinking = TRUE;
4441 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4442 if (moveList[moveNum - 1][0] == NULLCHAR) {
4443 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4444 DisplayError(str, 0);
4446 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4447 SendMoveToProgram(moveNum - 1, &first);
4454 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4455 /* If move comes from a remote source, animate it. If it
4456 isn't remote, it will have already been animated. */
4457 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4458 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4460 if (!pausing && appData.highlightLastMove) {
4461 SetHighlights(fromX, fromY, toX, toY);
4465 /* Start the clocks */
4466 whiteFlag = blackFlag = FALSE;
4467 appData.clockMode = !(basetime == 0 && increment == 0);
4469 ics_clock_paused = TRUE;
4471 } else if (ticking == 1) {
4472 ics_clock_paused = FALSE;
4474 if (gameMode == IcsIdle ||
4475 relation == RELATION_OBSERVING_STATIC ||
4476 relation == RELATION_EXAMINING ||
4478 DisplayBothClocks();
4482 /* Display opponents and material strengths */
4483 if (gameInfo.variant != VariantBughouse &&
4484 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4485 if (tinyLayout || smallLayout) {
4486 if(gameInfo.variant == VariantNormal)
4487 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4488 gameInfo.white, white_stren, gameInfo.black, black_stren,
4489 basetime, increment);
4491 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4492 gameInfo.white, white_stren, gameInfo.black, black_stren,
4493 basetime, increment, (int) gameInfo.variant);
4495 if(gameInfo.variant == VariantNormal)
4496 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4497 gameInfo.white, white_stren, gameInfo.black, black_stren,
4498 basetime, increment);
4500 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4501 gameInfo.white, white_stren, gameInfo.black, black_stren,
4502 basetime, increment, VariantName(gameInfo.variant));
4505 if (appData.debugMode) {
4506 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4511 /* Display the board */
4512 if (!pausing && !appData.noGUI) {
4514 if (appData.premove)
4516 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4517 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4518 ClearPremoveHighlights();
4520 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4521 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4522 DrawPosition(j, boards[currentMove]);
4524 DisplayMove(moveNum - 1);
4525 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4526 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4527 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4528 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4532 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4534 if(bookHit) { // [HGM] book: simulate book reply
4535 static char bookMove[MSG_SIZ]; // a bit generous?
4537 programStats.nodes = programStats.depth = programStats.time =
4538 programStats.score = programStats.got_only_move = 0;
4539 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4541 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4542 strcat(bookMove, bookHit);
4543 HandleMachineMove(bookMove, &first);
4552 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4553 ics_getting_history = H_REQUESTED;
4554 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4560 AnalysisPeriodicEvent(force)
4563 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4564 && !force) || !appData.periodicUpdates)
4567 /* Send . command to Crafty to collect stats */
4568 SendToProgram(".\n", &first);
4570 /* Don't send another until we get a response (this makes
4571 us stop sending to old Crafty's which don't understand
4572 the "." command (sending illegal cmds resets node count & time,
4573 which looks bad)) */
4574 programStats.ok_to_send = 0;
4577 void ics_update_width(new_width)
4580 ics_printf("set width %d\n", new_width);
4584 SendMoveToProgram(moveNum, cps)
4586 ChessProgramState *cps;
4590 if (cps->useUsermove) {
4591 SendToProgram("usermove ", cps);
4595 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4596 int len = space - parseList[moveNum];
4597 memcpy(buf, parseList[moveNum], len);
4599 buf[len] = NULLCHAR;
4601 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4603 SendToProgram(buf, cps);
4605 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4606 AlphaRank(moveList[moveNum], 4);
4607 SendToProgram(moveList[moveNum], cps);
4608 AlphaRank(moveList[moveNum], 4); // and back
4610 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4611 * the engine. It would be nice to have a better way to identify castle
4613 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4614 && cps->useOOCastle) {
4615 int fromX = moveList[moveNum][0] - AAA;
4616 int fromY = moveList[moveNum][1] - ONE;
4617 int toX = moveList[moveNum][2] - AAA;
4618 int toY = moveList[moveNum][3] - ONE;
4619 if((boards[moveNum][fromY][fromX] == WhiteKing
4620 && boards[moveNum][toY][toX] == WhiteRook)
4621 || (boards[moveNum][fromY][fromX] == BlackKing
4622 && boards[moveNum][toY][toX] == BlackRook)) {
4623 if(toX > fromX) SendToProgram("O-O\n", cps);
4624 else SendToProgram("O-O-O\n", cps);
4626 else SendToProgram(moveList[moveNum], cps);
4628 else SendToProgram(moveList[moveNum], cps);
4629 /* End of additions by Tord */
4632 /* [HGM] setting up the opening has brought engine in force mode! */
4633 /* Send 'go' if we are in a mode where machine should play. */
4634 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4635 (gameMode == TwoMachinesPlay ||
4637 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4639 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4640 SendToProgram("go\n", cps);
4641 if (appData.debugMode) {
4642 fprintf(debugFP, "(extra)\n");
4645 setboardSpoiledMachineBlack = 0;
4649 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4651 int fromX, fromY, toX, toY;
4654 char user_move[MSG_SIZ];
4658 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4659 (int)moveType, fromX, fromY, toX, toY);
4660 DisplayError(user_move + strlen("say "), 0);
4662 case WhiteKingSideCastle:
4663 case BlackKingSideCastle:
4664 case WhiteQueenSideCastleWild:
4665 case BlackQueenSideCastleWild:
4667 case WhiteHSideCastleFR:
4668 case BlackHSideCastleFR:
4670 snprintf(user_move, MSG_SIZ, "o-o\n");
4672 case WhiteQueenSideCastle:
4673 case BlackQueenSideCastle:
4674 case WhiteKingSideCastleWild:
4675 case BlackKingSideCastleWild:
4677 case WhiteASideCastleFR:
4678 case BlackASideCastleFR:
4680 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4682 case WhiteNonPromotion:
4683 case BlackNonPromotion:
4684 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4686 case WhitePromotion:
4687 case BlackPromotion:
4688 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4689 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4690 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4691 PieceToChar(WhiteFerz));
4692 else if(gameInfo.variant == VariantGreat)
4693 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4694 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4695 PieceToChar(WhiteMan));
4697 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4698 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4704 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
4705 ToUpper(PieceToChar((ChessSquare) fromX)),
4706 AAA + toX, ONE + toY);
4708 case IllegalMove: /* could be a variant we don't quite understand */
4709 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
4711 case WhiteCapturesEnPassant:
4712 case BlackCapturesEnPassant:
4713 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
4714 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4717 SendToICS(user_move);
4718 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4719 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4724 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
4725 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
4726 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
4727 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
4728 DisplayError("You cannot do this while you are playing or observing", 0);
4731 if(gameMode != IcsExamining) { // is this ever not the case?
4732 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
4734 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
4735 snprintf(command,MSG_SIZ, "match %s", ics_handle);
4736 } else { // on FICS we must first go to general examine mode
4737 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
4739 if(gameInfo.variant != VariantNormal) {
4740 // try figure out wild number, as xboard names are not always valid on ICS
4741 for(i=1; i<=36; i++) {
4742 snprintf(buf, MSG_SIZ, "wild/%d", i);
4743 if(StringToVariant(buf) == gameInfo.variant) break;
4745 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
4746 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
4747 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
4748 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
4749 SendToICS(ics_prefix);
4751 if(startedFromSetupPosition || backwardMostMove != 0) {
4752 fen = PositionToFEN(backwardMostMove, NULL);
4753 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
4754 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
4756 } else { // FICS: everything has to set by separate bsetup commands
4757 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
4758 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
4760 if(!WhiteOnMove(backwardMostMove)) {
4761 SendToICS("bsetup tomove black\n");
4763 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
4764 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
4766 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
4767 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
4769 i = boards[backwardMostMove][EP_STATUS];
4770 if(i >= 0) { // set e.p.
4771 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
4777 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
4778 SendToICS("bsetup done\n"); // switch to normal examining.
4780 for(i = backwardMostMove; i<last; i++) {
4782 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
4785 SendToICS(ics_prefix);
4786 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
4790 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4795 if (rf == DROP_RANK) {
4796 sprintf(move, "%c@%c%c\n",
4797 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4799 if (promoChar == 'x' || promoChar == NULLCHAR) {
4800 sprintf(move, "%c%c%c%c\n",
4801 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4803 sprintf(move, "%c%c%c%c%c\n",
4804 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4810 ProcessICSInitScript(f)
4815 while (fgets(buf, MSG_SIZ, f)) {
4816 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4823 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4825 AlphaRank(char *move, int n)
4827 // char *p = move, c; int x, y;
4829 if (appData.debugMode) {
4830 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4834 move[2]>='0' && move[2]<='9' &&
4835 move[3]>='a' && move[3]<='x' ) {
4837 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4838 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4840 if(move[0]>='0' && move[0]<='9' &&
4841 move[1]>='a' && move[1]<='x' &&
4842 move[2]>='0' && move[2]<='9' &&
4843 move[3]>='a' && move[3]<='x' ) {
4844 /* input move, Shogi -> normal */
4845 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4846 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4847 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4848 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4851 move[3]>='0' && move[3]<='9' &&
4852 move[2]>='a' && move[2]<='x' ) {
4854 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4855 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4858 move[0]>='a' && move[0]<='x' &&
4859 move[3]>='0' && move[3]<='9' &&
4860 move[2]>='a' && move[2]<='x' ) {
4861 /* output move, normal -> Shogi */
4862 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4863 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4864 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4865 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4866 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4868 if (appData.debugMode) {
4869 fprintf(debugFP, " out = '%s'\n", move);
4873 char yy_textstr[8000];
4875 /* Parser for moves from gnuchess, ICS, or user typein box */
4877 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4880 ChessMove *moveType;
4881 int *fromX, *fromY, *toX, *toY;
4884 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
4886 switch (*moveType) {
4887 case WhitePromotion:
4888 case BlackPromotion:
4889 case WhiteNonPromotion:
4890 case BlackNonPromotion:
4892 case WhiteCapturesEnPassant:
4893 case BlackCapturesEnPassant:
4894 case WhiteKingSideCastle:
4895 case WhiteQueenSideCastle:
4896 case BlackKingSideCastle:
4897 case BlackQueenSideCastle:
4898 case WhiteKingSideCastleWild:
4899 case WhiteQueenSideCastleWild:
4900 case BlackKingSideCastleWild:
4901 case BlackQueenSideCastleWild:
4902 /* Code added by Tord: */
4903 case WhiteHSideCastleFR:
4904 case WhiteASideCastleFR:
4905 case BlackHSideCastleFR:
4906 case BlackASideCastleFR:
4907 /* End of code added by Tord */
4908 case IllegalMove: /* bug or odd chess variant */
4909 *fromX = currentMoveString[0] - AAA;
4910 *fromY = currentMoveString[1] - ONE;
4911 *toX = currentMoveString[2] - AAA;
4912 *toY = currentMoveString[3] - ONE;
4913 *promoChar = currentMoveString[4];
4914 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4915 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4916 if (appData.debugMode) {
4917 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4919 *fromX = *fromY = *toX = *toY = 0;
4922 if (appData.testLegality) {
4923 return (*moveType != IllegalMove);
4925 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4926 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4931 *fromX = *moveType == WhiteDrop ?
4932 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4933 (int) CharToPiece(ToLower(currentMoveString[0]));
4935 *toX = currentMoveString[2] - AAA;
4936 *toY = currentMoveString[3] - ONE;
4937 *promoChar = NULLCHAR;
4941 case ImpossibleMove:
4951 if (appData.debugMode) {
4952 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4955 *fromX = *fromY = *toX = *toY = 0;
4956 *promoChar = NULLCHAR;
4963 ParsePV(char *pv, Boolean storeComments)
4964 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4965 int fromX, fromY, toX, toY; char promoChar;
4970 endPV = forwardMostMove;
4972 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
4973 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
4974 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4975 if(appData.debugMode){
4976 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);
4978 if(!valid && nr == 0 &&
4979 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4980 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4981 // Hande case where played move is different from leading PV move
4982 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
4983 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
4984 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
4985 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
4986 endPV += 2; // if position different, keep this
4987 moveList[endPV-1][0] = fromX + AAA;
4988 moveList[endPV-1][1] = fromY + ONE;
4989 moveList[endPV-1][2] = toX + AAA;
4990 moveList[endPV-1][3] = toY + ONE;
4991 parseList[endPV-1][0] = NULLCHAR;
4992 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
4995 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
4996 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
4997 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
4998 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
4999 valid++; // allow comments in PV
5003 if(endPV+1 > framePtr) break; // no space, truncate
5006 CopyBoard(boards[endPV], boards[endPV-1]);
5007 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5008 moveList[endPV-1][0] = fromX + AAA;
5009 moveList[endPV-1][1] = fromY + ONE;
5010 moveList[endPV-1][2] = toX + AAA;
5011 moveList[endPV-1][3] = toY + ONE;
5013 CoordsToAlgebraic(boards[endPV - 1],
5014 PosFlags(endPV - 1),
5015 fromY, fromX, toY, toX, promoChar,
5016 parseList[endPV - 1]);
5018 parseList[endPV-1][0] = NULLCHAR;
5020 currentMove = endPV;
5021 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5022 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5023 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5024 DrawPosition(TRUE, boards[currentMove]);
5027 static int lastX, lastY;
5030 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5035 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5036 lastX = x; lastY = y;
5037 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5039 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5040 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5042 do{ while(buf[index] && buf[index] != '\n') index++;
5043 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5045 ParsePV(buf+startPV, FALSE);
5046 *start = startPV; *end = index-1;
5051 LoadPV(int x, int y)
5052 { // called on right mouse click to load PV
5053 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5054 lastX = x; lastY = y;
5055 ParsePV(lastPV[which], FALSE); // load the PV of the thinking engine in the boards array.
5062 if(endPV < 0) return;
5064 currentMove = forwardMostMove;
5065 ClearPremoveHighlights();
5066 DrawPosition(TRUE, boards[currentMove]);
5070 MovePV(int x, int y, int h)
5071 { // step through PV based on mouse coordinates (called on mouse move)
5072 int margin = h>>3, step = 0;
5074 if(endPV < 0) return;
5075 // we must somehow check if right button is still down (might be released off board!)
5076 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
5077 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
5078 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
5080 lastX = x; lastY = y;
5081 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5082 currentMove += step;
5083 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5084 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5085 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5086 DrawPosition(FALSE, boards[currentMove]);
5090 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5091 // All positions will have equal probability, but the current method will not provide a unique
5092 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5098 int piecesLeft[(int)BlackPawn];
5099 int seed, nrOfShuffles;
5101 void GetPositionNumber()
5102 { // sets global variable seed
5105 seed = appData.defaultFrcPosition;
5106 if(seed < 0) { // randomize based on time for negative FRC position numbers
5107 for(i=0; i<50; i++) seed += random();
5108 seed = random() ^ random() >> 8 ^ random() << 8;
5109 if(seed<0) seed = -seed;
5113 int put(Board board, int pieceType, int rank, int n, int shade)
5114 // put the piece on the (n-1)-th empty squares of the given shade
5118 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5119 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5120 board[rank][i] = (ChessSquare) pieceType;
5121 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5123 piecesLeft[pieceType]--;
5131 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5132 // calculate where the next piece goes, (any empty square), and put it there
5136 i = seed % squaresLeft[shade];
5137 nrOfShuffles *= squaresLeft[shade];
5138 seed /= squaresLeft[shade];
5139 put(board, pieceType, rank, i, shade);
5142 void AddTwoPieces(Board board, int pieceType, int rank)
5143 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5145 int i, n=squaresLeft[ANY], j=n-1, k;
5147 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5148 i = seed % k; // pick one
5151 while(i >= j) i -= j--;
5152 j = n - 1 - j; i += j;
5153 put(board, pieceType, rank, j, ANY);
5154 put(board, pieceType, rank, i, ANY);
5157 void SetUpShuffle(Board board, int number)
5161 GetPositionNumber(); nrOfShuffles = 1;
5163 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5164 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5165 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5167 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5169 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5170 p = (int) board[0][i];
5171 if(p < (int) BlackPawn) piecesLeft[p] ++;
5172 board[0][i] = EmptySquare;
5175 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5176 // shuffles restricted to allow normal castling put KRR first
5177 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5178 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5179 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5180 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5181 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5182 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5183 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5184 put(board, WhiteRook, 0, 0, ANY);
5185 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5188 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5189 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5190 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5191 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5192 while(piecesLeft[p] >= 2) {
5193 AddOnePiece(board, p, 0, LITE);
5194 AddOnePiece(board, p, 0, DARK);
5196 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5199 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5200 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5201 // but we leave King and Rooks for last, to possibly obey FRC restriction
5202 if(p == (int)WhiteRook) continue;
5203 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5204 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5207 // now everything is placed, except perhaps King (Unicorn) and Rooks
5209 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5210 // Last King gets castling rights
5211 while(piecesLeft[(int)WhiteUnicorn]) {
5212 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5213 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5216 while(piecesLeft[(int)WhiteKing]) {
5217 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5218 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5223 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5224 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5227 // Only Rooks can be left; simply place them all
5228 while(piecesLeft[(int)WhiteRook]) {
5229 i = put(board, WhiteRook, 0, 0, ANY);
5230 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5233 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5235 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5238 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5239 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5242 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5245 int SetCharTable( char *table, const char * map )
5246 /* [HGM] moved here from winboard.c because of its general usefulness */
5247 /* Basically a safe strcpy that uses the last character as King */
5249 int result = FALSE; int NrPieces;
5251 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5252 && NrPieces >= 12 && !(NrPieces&1)) {
5253 int i; /* [HGM] Accept even length from 12 to 34 */
5255 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5256 for( i=0; i<NrPieces/2-1; i++ ) {
5258 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5260 table[(int) WhiteKing] = map[NrPieces/2-1];
5261 table[(int) BlackKing] = map[NrPieces-1];
5269 void Prelude(Board board)
5270 { // [HGM] superchess: random selection of exo-pieces
5271 int i, j, k; ChessSquare p;
5272 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5274 GetPositionNumber(); // use FRC position number
5276 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5277 SetCharTable(pieceToChar, appData.pieceToCharTable);
5278 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5279 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5282 j = seed%4; seed /= 4;
5283 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5284 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5285 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5286 j = seed%3 + (seed%3 >= j); seed /= 3;
5287 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5288 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5289 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5290 j = seed%3; seed /= 3;
5291 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5292 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5293 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5294 j = seed%2 + (seed%2 >= j); seed /= 2;
5295 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5296 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5297 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5298 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5299 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5300 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5301 put(board, exoPieces[0], 0, 0, ANY);
5302 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5306 InitPosition(redraw)
5309 ChessSquare (* pieces)[BOARD_FILES];
5310 int i, j, pawnRow, overrule,
5311 oldx = gameInfo.boardWidth,
5312 oldy = gameInfo.boardHeight,
5313 oldh = gameInfo.holdingsWidth,
5314 oldv = gameInfo.variant;
5316 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5318 /* [AS] Initialize pv info list [HGM] and game status */
5320 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5321 pvInfoList[i].depth = 0;
5322 boards[i][EP_STATUS] = EP_NONE;
5323 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5326 initialRulePlies = 0; /* 50-move counter start */
5328 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5329 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5333 /* [HGM] logic here is completely changed. In stead of full positions */
5334 /* the initialized data only consist of the two backranks. The switch */
5335 /* selects which one we will use, which is than copied to the Board */
5336 /* initialPosition, which for the rest is initialized by Pawns and */
5337 /* empty squares. This initial position is then copied to boards[0], */
5338 /* possibly after shuffling, so that it remains available. */
5340 gameInfo.holdingsWidth = 0; /* default board sizes */
5341 gameInfo.boardWidth = 8;
5342 gameInfo.boardHeight = 8;
5343 gameInfo.holdingsSize = 0;
5344 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5345 for(i=0; i<BOARD_FILES-2; i++)
5346 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5347 initialPosition[EP_STATUS] = EP_NONE;
5348 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5349 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5350 SetCharTable(pieceNickName, appData.pieceNickNames);
5351 else SetCharTable(pieceNickName, "............");
5353 switch (gameInfo.variant) {
5354 case VariantFischeRandom:
5355 shuffleOpenings = TRUE;
5359 case VariantShatranj:
5360 pieces = ShatranjArray;
5361 nrCastlingRights = 0;
5362 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5365 pieces = makrukArray;
5366 nrCastlingRights = 0;
5367 startedFromSetupPosition = TRUE;
5368 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5370 case VariantTwoKings:
5371 pieces = twoKingsArray;
5373 case VariantCapaRandom:
5374 shuffleOpenings = TRUE;
5375 case VariantCapablanca:
5376 pieces = CapablancaArray;
5377 gameInfo.boardWidth = 10;
5378 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5381 pieces = GothicArray;
5382 gameInfo.boardWidth = 10;
5383 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5386 pieces = JanusArray;
5387 gameInfo.boardWidth = 10;
5388 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5389 nrCastlingRights = 6;
5390 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5391 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5392 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5393 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5394 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5395 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5398 pieces = FalconArray;
5399 gameInfo.boardWidth = 10;
5400 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5402 case VariantXiangqi:
5403 pieces = XiangqiArray;
5404 gameInfo.boardWidth = 9;
5405 gameInfo.boardHeight = 10;
5406 nrCastlingRights = 0;
5407 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5410 pieces = ShogiArray;
5411 gameInfo.boardWidth = 9;
5412 gameInfo.boardHeight = 9;
5413 gameInfo.holdingsSize = 7;
5414 nrCastlingRights = 0;
5415 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5417 case VariantCourier:
5418 pieces = CourierArray;
5419 gameInfo.boardWidth = 12;
5420 nrCastlingRights = 0;
5421 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5423 case VariantKnightmate:
5424 pieces = KnightmateArray;
5425 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5428 pieces = fairyArray;
5429 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5432 pieces = GreatArray;
5433 gameInfo.boardWidth = 10;
5434 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5435 gameInfo.holdingsSize = 8;
5439 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5440 gameInfo.holdingsSize = 8;
5441 startedFromSetupPosition = TRUE;
5443 case VariantCrazyhouse:
5444 case VariantBughouse:
5446 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5447 gameInfo.holdingsSize = 5;
5449 case VariantWildCastle:
5451 /* !!?shuffle with kings guaranteed to be on d or e file */
5452 shuffleOpenings = 1;
5454 case VariantNoCastle:
5456 nrCastlingRights = 0;
5457 /* !!?unconstrained back-rank shuffle */
5458 shuffleOpenings = 1;
5463 if(appData.NrFiles >= 0) {
5464 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5465 gameInfo.boardWidth = appData.NrFiles;
5467 if(appData.NrRanks >= 0) {
5468 gameInfo.boardHeight = appData.NrRanks;
5470 if(appData.holdingsSize >= 0) {
5471 i = appData.holdingsSize;
5472 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5473 gameInfo.holdingsSize = i;
5475 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5476 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5477 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5479 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5480 if(pawnRow < 1) pawnRow = 1;
5481 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5483 /* User pieceToChar list overrules defaults */
5484 if(appData.pieceToCharTable != NULL)
5485 SetCharTable(pieceToChar, appData.pieceToCharTable);
5487 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5489 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5490 s = (ChessSquare) 0; /* account holding counts in guard band */
5491 for( i=0; i<BOARD_HEIGHT; i++ )
5492 initialPosition[i][j] = s;
5494 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5495 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5496 initialPosition[pawnRow][j] = WhitePawn;
5497 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
5498 if(gameInfo.variant == VariantXiangqi) {
5500 initialPosition[pawnRow][j] =
5501 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5502 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5503 initialPosition[2][j] = WhiteCannon;
5504 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5508 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5510 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5513 initialPosition[1][j] = WhiteBishop;
5514 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5516 initialPosition[1][j] = WhiteRook;
5517 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5520 if( nrCastlingRights == -1) {
5521 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5522 /* This sets default castling rights from none to normal corners */
5523 /* Variants with other castling rights must set them themselves above */
5524 nrCastlingRights = 6;
5526 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5527 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5528 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5529 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5530 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5531 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5534 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5535 if(gameInfo.variant == VariantGreat) { // promotion commoners
5536 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5537 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5538 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5539 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5541 if (appData.debugMode) {
5542 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5544 if(shuffleOpenings) {
5545 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5546 startedFromSetupPosition = TRUE;
5548 if(startedFromPositionFile) {
5549 /* [HGM] loadPos: use PositionFile for every new game */
5550 CopyBoard(initialPosition, filePosition);
5551 for(i=0; i<nrCastlingRights; i++)
5552 initialRights[i] = filePosition[CASTLING][i];
5553 startedFromSetupPosition = TRUE;
5556 CopyBoard(boards[0], initialPosition);
5558 if(oldx != gameInfo.boardWidth ||
5559 oldy != gameInfo.boardHeight ||
5560 oldh != gameInfo.holdingsWidth
5562 || oldv == VariantGothic || // For licensing popups
5563 gameInfo.variant == VariantGothic
5566 || oldv == VariantFalcon ||
5567 gameInfo.variant == VariantFalcon
5570 InitDrawingSizes(-2 ,0);
5573 DrawPosition(TRUE, boards[currentMove]);
5577 SendBoard(cps, moveNum)
5578 ChessProgramState *cps;
5581 char message[MSG_SIZ];
5583 if (cps->useSetboard) {
5584 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5585 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
5586 SendToProgram(message, cps);
5592 /* Kludge to set black to move, avoiding the troublesome and now
5593 * deprecated "black" command.
5595 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
5596 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
5598 SendToProgram("edit\n", cps);
5599 SendToProgram("#\n", cps);
5600 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5601 bp = &boards[moveNum][i][BOARD_LEFT];
5602 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5603 if ((int) *bp < (int) BlackPawn) {
5604 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
5606 if(message[0] == '+' || message[0] == '~') {
5607 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5608 PieceToChar((ChessSquare)(DEMOTED *bp)),
5611 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5612 message[1] = BOARD_RGHT - 1 - j + '1';
5613 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5615 SendToProgram(message, cps);
5620 SendToProgram("c\n", cps);
5621 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5622 bp = &boards[moveNum][i][BOARD_LEFT];
5623 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5624 if (((int) *bp != (int) EmptySquare)
5625 && ((int) *bp >= (int) BlackPawn)) {
5626 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5628 if(message[0] == '+' || message[0] == '~') {
5629 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5630 PieceToChar((ChessSquare)(DEMOTED *bp)),
5633 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5634 message[1] = BOARD_RGHT - 1 - j + '1';
5635 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5637 SendToProgram(message, cps);
5642 SendToProgram(".\n", cps);
5644 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5647 static int autoQueen; // [HGM] oneclick
5650 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5652 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5653 /* [HGM] add Shogi promotions */
5654 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5659 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5660 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5662 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5663 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5666 piece = boards[currentMove][fromY][fromX];
5667 if(gameInfo.variant == VariantShogi) {
5668 promotionZoneSize = BOARD_HEIGHT/3;
5669 highestPromotingPiece = (int)WhiteFerz;
5670 } else if(gameInfo.variant == VariantMakruk) {
5671 promotionZoneSize = 3;
5674 // next weed out all moves that do not touch the promotion zone at all
5675 if((int)piece >= BlackPawn) {
5676 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5678 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5680 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5681 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5684 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5686 // weed out mandatory Shogi promotions
5687 if(gameInfo.variant == VariantShogi) {
5688 if(piece >= BlackPawn) {
5689 if(toY == 0 && piece == BlackPawn ||
5690 toY == 0 && piece == BlackQueen ||
5691 toY <= 1 && piece == BlackKnight) {
5696 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5697 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5698 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5705 // weed out obviously illegal Pawn moves
5706 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5707 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5708 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5709 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5710 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5711 // note we are not allowed to test for valid (non-)capture, due to premove
5714 // we either have a choice what to promote to, or (in Shogi) whether to promote
5715 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5716 *promoChoice = PieceToChar(BlackFerz); // no choice
5719 // no sense asking what we must promote to if it is going to explode...
5720 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
5721 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
5724 if(autoQueen) { // predetermined
5725 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5726 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5727 else *promoChoice = PieceToChar(BlackQueen);
5731 // suppress promotion popup on illegal moves that are not premoves
5732 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5733 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5734 if(appData.testLegality && !premove) {
5735 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5736 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
5737 if(moveType != WhitePromotion && moveType != BlackPromotion)
5745 InPalace(row, column)
5747 { /* [HGM] for Xiangqi */
5748 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5749 column < (BOARD_WIDTH + 4)/2 &&
5750 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5755 PieceForSquare (x, y)
5759 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5762 return boards[currentMove][y][x];
5766 OKToStartUserMove(x, y)
5769 ChessSquare from_piece;
5772 if (matchMode) return FALSE;
5773 if (gameMode == EditPosition) return TRUE;
5775 if (x >= 0 && y >= 0)
5776 from_piece = boards[currentMove][y][x];
5778 from_piece = EmptySquare;
5780 if (from_piece == EmptySquare) return FALSE;
5782 white_piece = (int)from_piece >= (int)WhitePawn &&
5783 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5786 case PlayFromGameFile:
5788 case TwoMachinesPlay:
5796 case MachinePlaysWhite:
5797 case IcsPlayingBlack:
5798 if (appData.zippyPlay) return FALSE;
5800 DisplayMoveError(_("You are playing Black"));
5805 case MachinePlaysBlack:
5806 case IcsPlayingWhite:
5807 if (appData.zippyPlay) return FALSE;
5809 DisplayMoveError(_("You are playing White"));
5815 if (!white_piece && WhiteOnMove(currentMove)) {
5816 DisplayMoveError(_("It is White's turn"));
5819 if (white_piece && !WhiteOnMove(currentMove)) {
5820 DisplayMoveError(_("It is Black's turn"));
5823 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5824 /* Editing correspondence game history */
5825 /* Could disallow this or prompt for confirmation */
5830 case BeginningOfGame:
5831 if (appData.icsActive) return FALSE;
5832 if (!appData.noChessProgram) {
5834 DisplayMoveError(_("You are playing White"));
5841 if (!white_piece && WhiteOnMove(currentMove)) {
5842 DisplayMoveError(_("It is White's turn"));
5845 if (white_piece && !WhiteOnMove(currentMove)) {
5846 DisplayMoveError(_("It is Black's turn"));
5855 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5856 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5857 && gameMode != AnalyzeFile && gameMode != Training) {
5858 DisplayMoveError(_("Displayed position is not current"));
5865 OnlyMove(int *x, int *y, Boolean captures) {
5866 DisambiguateClosure cl;
5867 if (appData.zippyPlay) return FALSE;
5869 case MachinePlaysBlack:
5870 case IcsPlayingWhite:
5871 case BeginningOfGame:
5872 if(!WhiteOnMove(currentMove)) return FALSE;
5874 case MachinePlaysWhite:
5875 case IcsPlayingBlack:
5876 if(WhiteOnMove(currentMove)) return FALSE;
5883 cl.pieceIn = EmptySquare;
5888 cl.promoCharIn = NULLCHAR;
5889 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5890 if( cl.kind == NormalMove ||
5891 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5892 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5893 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5900 if(cl.kind != ImpossibleMove) return FALSE;
5901 cl.pieceIn = EmptySquare;
5906 cl.promoCharIn = NULLCHAR;
5907 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5908 if( cl.kind == NormalMove ||
5909 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5910 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5911 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5916 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5922 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5923 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5924 int lastLoadGameUseList = FALSE;
5925 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5926 ChessMove lastLoadGameStart = EndOfFile;
5929 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5930 int fromX, fromY, toX, toY;
5934 ChessSquare pdown, pup;
5936 /* Check if the user is playing in turn. This is complicated because we
5937 let the user "pick up" a piece before it is his turn. So the piece he
5938 tried to pick up may have been captured by the time he puts it down!
5939 Therefore we use the color the user is supposed to be playing in this
5940 test, not the color of the piece that is currently on the starting
5941 square---except in EditGame mode, where the user is playing both
5942 sides; fortunately there the capture race can't happen. (It can
5943 now happen in IcsExamining mode, but that's just too bad. The user
5944 will get a somewhat confusing message in that case.)
5948 case PlayFromGameFile:
5950 case TwoMachinesPlay:
5954 /* We switched into a game mode where moves are not accepted,
5955 perhaps while the mouse button was down. */
5958 case MachinePlaysWhite:
5959 /* User is moving for Black */
5960 if (WhiteOnMove(currentMove)) {
5961 DisplayMoveError(_("It is White's turn"));
5966 case MachinePlaysBlack:
5967 /* User is moving for White */
5968 if (!WhiteOnMove(currentMove)) {
5969 DisplayMoveError(_("It is Black's turn"));
5976 case BeginningOfGame:
5979 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5980 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5981 /* User is moving for Black */
5982 if (WhiteOnMove(currentMove)) {
5983 DisplayMoveError(_("It is White's turn"));
5987 /* User is moving for White */
5988 if (!WhiteOnMove(currentMove)) {
5989 DisplayMoveError(_("It is Black's turn"));
5995 case IcsPlayingBlack:
5996 /* User is moving for Black */
5997 if (WhiteOnMove(currentMove)) {
5998 if (!appData.premove) {
5999 DisplayMoveError(_("It is White's turn"));
6000 } else if (toX >= 0 && toY >= 0) {
6003 premoveFromX = fromX;
6004 premoveFromY = fromY;
6005 premovePromoChar = promoChar;
6007 if (appData.debugMode)
6008 fprintf(debugFP, "Got premove: fromX %d,"
6009 "fromY %d, toX %d, toY %d\n",
6010 fromX, fromY, toX, toY);
6016 case IcsPlayingWhite:
6017 /* User is moving for White */
6018 if (!WhiteOnMove(currentMove)) {
6019 if (!appData.premove) {
6020 DisplayMoveError(_("It is Black's turn"));
6021 } else if (toX >= 0 && toY >= 0) {
6024 premoveFromX = fromX;
6025 premoveFromY = fromY;
6026 premovePromoChar = promoChar;
6028 if (appData.debugMode)
6029 fprintf(debugFP, "Got premove: fromX %d,"
6030 "fromY %d, toX %d, toY %d\n",
6031 fromX, fromY, toX, toY);
6041 /* EditPosition, empty square, or different color piece;
6042 click-click move is possible */
6043 if (toX == -2 || toY == -2) {
6044 boards[0][fromY][fromX] = EmptySquare;
6045 DrawPosition(FALSE, boards[currentMove]);
6047 } else if (toX >= 0 && toY >= 0) {
6048 boards[0][toY][toX] = boards[0][fromY][fromX];
6049 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6050 if(boards[0][fromY][0] != EmptySquare) {
6051 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6052 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6055 if(fromX == BOARD_RGHT+1) {
6056 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6057 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6058 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6061 boards[0][fromY][fromX] = EmptySquare;
6062 DrawPosition(FALSE, boards[currentMove]);
6068 if(toX < 0 || toY < 0) return;
6069 pdown = boards[currentMove][fromY][fromX];
6070 pup = boards[currentMove][toY][toX];
6072 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6073 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
6074 if( pup != EmptySquare ) return;
6075 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6076 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6077 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6078 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6079 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6080 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6081 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6085 /* [HGM] always test for legality, to get promotion info */
6086 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6087 fromY, fromX, toY, toX, promoChar);
6088 /* [HGM] but possibly ignore an IllegalMove result */
6089 if (appData.testLegality) {
6090 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6091 DisplayMoveError(_("Illegal move"));
6096 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6099 /* Common tail of UserMoveEvent and DropMenuEvent */
6101 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6103 int fromX, fromY, toX, toY;
6104 /*char*/int promoChar;
6108 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6109 // [HGM] superchess: suppress promotions to non-available piece
6110 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6111 if(WhiteOnMove(currentMove)) {
6112 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6114 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6118 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6119 move type in caller when we know the move is a legal promotion */
6120 if(moveType == NormalMove && promoChar)
6121 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6123 /* [HGM] <popupFix> The following if has been moved here from
6124 UserMoveEvent(). Because it seemed to belong here (why not allow
6125 piece drops in training games?), and because it can only be
6126 performed after it is known to what we promote. */
6127 if (gameMode == Training) {
6128 /* compare the move played on the board to the next move in the
6129 * game. If they match, display the move and the opponent's response.
6130 * If they don't match, display an error message.
6134 CopyBoard(testBoard, boards[currentMove]);
6135 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6137 if (CompareBoards(testBoard, boards[currentMove+1])) {
6138 ForwardInner(currentMove+1);
6140 /* Autoplay the opponent's response.
6141 * if appData.animate was TRUE when Training mode was entered,
6142 * the response will be animated.
6144 saveAnimate = appData.animate;
6145 appData.animate = animateTraining;
6146 ForwardInner(currentMove+1);
6147 appData.animate = saveAnimate;
6149 /* check for the end of the game */
6150 if (currentMove >= forwardMostMove) {
6151 gameMode = PlayFromGameFile;
6153 SetTrainingModeOff();
6154 DisplayInformation(_("End of game"));
6157 DisplayError(_("Incorrect move"), 0);
6162 /* Ok, now we know that the move is good, so we can kill
6163 the previous line in Analysis Mode */
6164 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6165 && currentMove < forwardMostMove) {
6166 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6167 else forwardMostMove = currentMove;
6170 /* If we need the chess program but it's dead, restart it */
6171 ResurrectChessProgram();
6173 /* A user move restarts a paused game*/
6177 thinkOutput[0] = NULLCHAR;
6179 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6181 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
6183 if (gameMode == BeginningOfGame) {
6184 if (appData.noChessProgram) {
6185 gameMode = EditGame;
6189 gameMode = MachinePlaysBlack;
6192 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6194 if (first.sendName) {
6195 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6196 SendToProgram(buf, &first);
6203 /* Relay move to ICS or chess engine */
6204 if (appData.icsActive) {
6205 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6206 gameMode == IcsExamining) {
6207 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6208 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6210 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6212 // also send plain move, in case ICS does not understand atomic claims
6213 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6217 if (first.sendTime && (gameMode == BeginningOfGame ||
6218 gameMode == MachinePlaysWhite ||
6219 gameMode == MachinePlaysBlack)) {
6220 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6222 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6223 // [HGM] book: if program might be playing, let it use book
6224 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6225 first.maybeThinking = TRUE;
6226 } else SendMoveToProgram(forwardMostMove-1, &first);
6227 if (currentMove == cmailOldMove + 1) {
6228 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6232 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6236 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6242 if (WhiteOnMove(currentMove)) {
6243 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6245 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6249 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6254 case MachinePlaysBlack:
6255 case MachinePlaysWhite:
6256 /* disable certain menu options while machine is thinking */
6257 SetMachineThinkingEnables();
6264 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6266 if(bookHit) { // [HGM] book: simulate book reply
6267 static char bookMove[MSG_SIZ]; // a bit generous?
6269 programStats.nodes = programStats.depth = programStats.time =
6270 programStats.score = programStats.got_only_move = 0;
6271 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6273 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6274 strcat(bookMove, bookHit);
6275 HandleMachineMove(bookMove, &first);
6281 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6288 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6289 Markers *m = (Markers *) closure;
6290 if(rf == fromY && ff == fromX)
6291 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6292 || kind == WhiteCapturesEnPassant
6293 || kind == BlackCapturesEnPassant);
6294 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6298 MarkTargetSquares(int clear)
6301 if(!appData.markers || !appData.highlightDragging ||
6302 !appData.testLegality || gameMode == EditPosition) return;
6304 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6307 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6308 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6309 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6311 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6314 DrawPosition(TRUE, NULL);
6318 Explode(Board board, int fromX, int fromY, int toX, int toY)
6320 if(gameInfo.variant == VariantAtomic &&
6321 (board[toY][toX] != EmptySquare || // capture?
6322 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6323 board[fromY][fromX] == BlackPawn )
6325 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6331 void LeftClick(ClickType clickType, int xPix, int yPix)
6334 Boolean saveAnimate;
6335 static int second = 0, promotionChoice = 0, dragging = 0;
6336 char promoChoice = NULLCHAR;
6338 if(appData.seekGraph && appData.icsActive && loggedOn &&
6339 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6340 SeekGraphClick(clickType, xPix, yPix, 0);
6344 if (clickType == Press) ErrorPopDown();
6345 MarkTargetSquares(1);
6347 x = EventToSquare(xPix, BOARD_WIDTH);
6348 y = EventToSquare(yPix, BOARD_HEIGHT);
6349 if (!flipView && y >= 0) {
6350 y = BOARD_HEIGHT - 1 - y;
6352 if (flipView && x >= 0) {
6353 x = BOARD_WIDTH - 1 - x;
6356 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6357 if(clickType == Release) return; // ignore upclick of click-click destination
6358 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6359 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6360 if(gameInfo.holdingsWidth &&
6361 (WhiteOnMove(currentMove)
6362 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6363 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6364 // click in right holdings, for determining promotion piece
6365 ChessSquare p = boards[currentMove][y][x];
6366 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6367 if(p != EmptySquare) {
6368 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6373 DrawPosition(FALSE, boards[currentMove]);
6377 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6378 if(clickType == Press
6379 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6380 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6381 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6384 autoQueen = appData.alwaysPromoteToQueen;
6387 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6388 if (clickType == Press) {
6390 if (OKToStartUserMove(x, y)) {
6394 MarkTargetSquares(0);
6395 DragPieceBegin(xPix, yPix); dragging = 1;
6396 if (appData.highlightDragging) {
6397 SetHighlights(x, y, -1, -1);
6400 } else 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);
6409 if (clickType == Press && gameMode != EditPosition) {
6414 // ignore off-board to clicks
6415 if(y < 0 || x < 0) return;
6417 /* Check if clicking again on the same color piece */
6418 fromP = boards[currentMove][fromY][fromX];
6419 toP = boards[currentMove][y][x];
6420 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6421 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6422 WhitePawn <= toP && toP <= WhiteKing &&
6423 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6424 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6425 (BlackPawn <= fromP && fromP <= BlackKing &&
6426 BlackPawn <= toP && toP <= BlackKing &&
6427 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6428 !(fromP == BlackKing && toP == BlackRook && frc))) {
6429 /* Clicked again on same color piece -- changed his mind */
6430 second = (x == fromX && y == fromY);
6431 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6432 if (appData.highlightDragging) {
6433 SetHighlights(x, y, -1, -1);
6437 if (OKToStartUserMove(x, y)) {
6439 fromY = y; dragging = 1;
6440 MarkTargetSquares(0);
6441 DragPieceBegin(xPix, yPix);
6444 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6447 // ignore clicks on holdings
6448 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6451 if (clickType == Release && x == fromX && y == fromY) {
6452 DragPieceEnd(xPix, yPix); dragging = 0;
6453 if (appData.animateDragging) {
6454 /* Undo animation damage if any */
6455 DrawPosition(FALSE, NULL);
6458 /* Second up/down in same square; just abort move */
6463 ClearPremoveHighlights();
6465 /* First upclick in same square; start click-click mode */
6466 SetHighlights(x, y, -1, -1);
6471 /* we now have a different from- and (possibly off-board) to-square */
6472 /* Completed move */
6475 saveAnimate = appData.animate;
6476 if (clickType == Press) {
6477 /* Finish clickclick move */
6478 if (appData.animate || appData.highlightLastMove) {
6479 SetHighlights(fromX, fromY, toX, toY);
6484 /* Finish drag move */
6485 if (appData.highlightLastMove) {
6486 SetHighlights(fromX, fromY, toX, toY);
6490 DragPieceEnd(xPix, yPix); dragging = 0;
6491 /* Don't animate move and drag both */
6492 appData.animate = FALSE;
6495 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6496 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6497 ChessSquare piece = boards[currentMove][fromY][fromX];
6498 if(gameMode == EditPosition && piece != EmptySquare &&
6499 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6502 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6503 n = PieceToNumber(piece - (int)BlackPawn);
6504 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6505 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6506 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6508 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6509 n = PieceToNumber(piece);
6510 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6511 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6512 boards[currentMove][n][BOARD_WIDTH-2]++;
6514 boards[currentMove][fromY][fromX] = EmptySquare;
6518 DrawPosition(TRUE, boards[currentMove]);
6522 // off-board moves should not be highlighted
6523 if(x < 0 || y < 0) ClearHighlights();
6525 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6526 SetHighlights(fromX, fromY, toX, toY);
6527 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6528 // [HGM] super: promotion to captured piece selected from holdings
6529 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6530 promotionChoice = TRUE;
6531 // kludge follows to temporarily execute move on display, without promoting yet
6532 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6533 boards[currentMove][toY][toX] = p;
6534 DrawPosition(FALSE, boards[currentMove]);
6535 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6536 boards[currentMove][toY][toX] = q;
6537 DisplayMessage("Click in holdings to choose piece", "");
6542 int oldMove = currentMove;
6543 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6544 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6545 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6546 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
6547 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
6548 DrawPosition(TRUE, boards[currentMove]);
6551 appData.animate = saveAnimate;
6552 if (appData.animate || appData.animateDragging) {
6553 /* Undo animation damage if needed */
6554 DrawPosition(FALSE, NULL);
6558 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6559 { // front-end-free part taken out of PieceMenuPopup
6560 int whichMenu; int xSqr, ySqr;
6562 if(seekGraphUp) { // [HGM] seekgraph
6563 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6564 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6568 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6569 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6570 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6571 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6572 if(action == Press) {
6573 originalFlip = flipView;
6574 flipView = !flipView; // temporarily flip board to see game from partners perspective
6575 DrawPosition(TRUE, partnerBoard);
6576 DisplayMessage(partnerStatus, "");
6578 } else if(action == Release) {
6579 flipView = originalFlip;
6580 DrawPosition(TRUE, boards[currentMove]);
6586 xSqr = EventToSquare(x, BOARD_WIDTH);
6587 ySqr = EventToSquare(y, BOARD_HEIGHT);
6588 if (action == Release) UnLoadPV(); // [HGM] pv
6589 if (action != Press) return -2; // return code to be ignored
6592 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6594 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6595 if (xSqr < 0 || ySqr < 0) return -1;
\r
6596 whichMenu = 0; // edit-position menu
6599 if(!appData.icsEngineAnalyze) return -1;
6600 case IcsPlayingWhite:
6601 case IcsPlayingBlack:
6602 if(!appData.zippyPlay) goto noZip;
6605 case MachinePlaysWhite:
6606 case MachinePlaysBlack:
6607 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6608 if (!appData.dropMenu) {
6610 return 2; // flag front-end to grab mouse events
6612 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6613 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6616 if (xSqr < 0 || ySqr < 0) return -1;
6617 if (!appData.dropMenu || appData.testLegality &&
6618 gameInfo.variant != VariantBughouse &&
6619 gameInfo.variant != VariantCrazyhouse) return -1;
6620 whichMenu = 1; // drop menu
6626 if (((*fromX = xSqr) < 0) ||
6627 ((*fromY = ySqr) < 0)) {
6628 *fromX = *fromY = -1;
6632 *fromX = BOARD_WIDTH - 1 - *fromX;
6634 *fromY = BOARD_HEIGHT - 1 - *fromY;
6639 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6641 // char * hint = lastHint;
6642 FrontEndProgramStats stats;
6644 stats.which = cps == &first ? 0 : 1;
6645 stats.depth = cpstats->depth;
6646 stats.nodes = cpstats->nodes;
6647 stats.score = cpstats->score;
6648 stats.time = cpstats->time;
6649 stats.pv = cpstats->movelist;
6650 stats.hint = lastHint;
6651 stats.an_move_index = 0;
6652 stats.an_move_count = 0;
6654 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6655 stats.hint = cpstats->move_name;
6656 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6657 stats.an_move_count = cpstats->nr_moves;
6660 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
6662 SetProgramStats( &stats );
6666 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
6667 { // count all piece types
6669 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
6670 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
6671 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
6674 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
6675 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
6676 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
6677 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
6678 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
6679 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
6684 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
6686 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
6687 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
6689 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
6690 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
6691 if(myPawns == 2 && nMine == 3) // KPP
6692 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
6693 if(myPawns == 1 && nMine == 2) // KP
6694 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6695 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
6696 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
6697 if(myPawns) return FALSE;
6698 if(pCnt[WhiteRook+side])
6699 return pCnt[BlackRook-side] ||
6700 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
6701 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
6702 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
6703 if(pCnt[WhiteCannon+side]) {
6704 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
6705 return majorDefense || pCnt[BlackAlfil-side] >= 2;
6707 if(pCnt[WhiteKnight+side])
6708 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6713 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
6715 VariantClass v = gameInfo.variant;
6717 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
6718 if(v == VariantShatranj) return TRUE; // always winnable through baring
6719 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
6720 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
6722 if(v == VariantXiangqi) {
6723 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
6725 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
6726 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
6727 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
6728 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
6729 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
6730 if(stale) // we have at least one last-rank P plus perhaps C
6731 return majors // KPKX
6732 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
6734 return pCnt[WhiteFerz+side] // KCAK
6735 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
6736 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
6737 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
6739 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
6740 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
6742 if(nMine == 1) return FALSE; // bare King
6743 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
6744 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
6745 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
6746 // by now we have King + 1 piece (or multiple Bishops on the same color)
6747 if(pCnt[WhiteKnight+side])
6748 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
6749 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
6750 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
6752 return (pCnt[BlackKnight-side]); // KBKN, KFKN
6753 if(pCnt[WhiteAlfil+side])
6754 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
6755 if(pCnt[WhiteWazir+side])
6756 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
6763 Adjudicate(ChessProgramState *cps)
6764 { // [HGM] some adjudications useful with buggy engines
6765 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6766 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6767 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6768 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6769 int k, count = 0; static int bare = 1;
6770 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6771 Boolean canAdjudicate = !appData.icsActive;
6773 // most tests only when we understand the game, i.e. legality-checking on
6774 if( appData.testLegality )
6775 { /* [HGM] Some more adjudications for obstinate engines */
6776 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
6777 static int moveCount = 6;
6779 char *reason = NULL;
6781 /* Count what is on board. */
6782 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
6784 /* Some material-based adjudications that have to be made before stalemate test */
6785 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
6786 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6787 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6788 if(canAdjudicate && appData.checkMates) {
6790 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6791 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6792 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6793 "Xboard adjudication: King destroyed", GE_XBOARD );
6798 /* Bare King in Shatranj (loses) or Losers (wins) */
6799 if( nrW == 1 || nrB == 1) {
6800 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6801 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6802 if(canAdjudicate && appData.checkMates) {
6804 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6805 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6806 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6807 "Xboard adjudication: Bare king", GE_XBOARD );
6811 if( gameInfo.variant == VariantShatranj && --bare < 0)
6813 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6814 if(canAdjudicate && appData.checkMates) {
6815 /* but only adjudicate if adjudication enabled */
6817 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6818 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6819 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
6820 "Xboard adjudication: Bare king", GE_XBOARD );
6827 // don't wait for engine to announce game end if we can judge ourselves
6828 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6830 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6831 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6832 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6833 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6836 reason = "Xboard adjudication: 3rd check";
6837 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6847 reason = "Xboard adjudication: Stalemate";
6848 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6849 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6850 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6851 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6852 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6853 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
6854 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
6855 EP_CHECKMATE : EP_WINS);
6856 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6857 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6861 reason = "Xboard adjudication: Checkmate";
6862 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6866 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6868 result = GameIsDrawn; break;
6870 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6872 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6876 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6878 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6879 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6880 GameEnds( result, reason, GE_XBOARD );
6884 /* Next absolutely insufficient mating material. */
6885 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
6886 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
6887 { /* includes KBK, KNK, KK of KBKB with like Bishops */
6889 /* always flag draws, for judging claims */
6890 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6892 if(canAdjudicate && appData.materialDraws) {
6893 /* but only adjudicate them if adjudication enabled */
6894 if(engineOpponent) {
6895 SendToProgram("force\n", engineOpponent); // suppress reply
6896 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6898 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6899 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6904 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6905 if(gameInfo.variant == VariantXiangqi ?
6906 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
6908 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
6909 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
6910 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
6911 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
6913 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6914 { /* if the first 3 moves do not show a tactical win, declare draw */
6915 if(engineOpponent) {
6916 SendToProgram("force\n", engineOpponent); // suppress reply
6917 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6919 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6920 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6923 } else moveCount = 6;
6925 if (appData.debugMode) { int i;
6926 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6927 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6928 appData.drawRepeats);
6929 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6930 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6934 // Repetition draws and 50-move rule can be applied independently of legality testing
6936 /* Check for rep-draws */
6938 for(k = forwardMostMove-2;
6939 k>=backwardMostMove && k>=forwardMostMove-100 &&
6940 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6941 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6944 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6945 /* compare castling rights */
6946 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6947 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6948 rights++; /* King lost rights, while rook still had them */
6949 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6950 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6951 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6952 rights++; /* but at least one rook lost them */
6954 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6955 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6957 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6958 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6959 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6962 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6963 && appData.drawRepeats > 1) {
6964 /* adjudicate after user-specified nr of repeats */
6965 int result = GameIsDrawn;
6966 char *details = "XBoard adjudication: repetition draw";
6967 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6968 // [HGM] xiangqi: check for forbidden perpetuals
6969 int m, ourPerpetual = 1, hisPerpetual = 1;
6970 for(m=forwardMostMove; m>k; m-=2) {
6971 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6972 ourPerpetual = 0; // the current mover did not always check
6973 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6974 hisPerpetual = 0; // the opponent did not always check
6976 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6977 ourPerpetual, hisPerpetual);
6978 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6979 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6980 details = "Xboard adjudication: perpetual checking";
6982 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
6983 break; // (or we would have caught him before). Abort repetition-checking loop.
6985 // Now check for perpetual chases
6986 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6987 hisPerpetual = PerpetualChase(k, forwardMostMove);
6988 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6989 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6990 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6991 details = "Xboard adjudication: perpetual chasing";
6993 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6994 break; // Abort repetition-checking loop.
6996 // if neither of us is checking or chasing all the time, or both are, it is draw
6998 if(engineOpponent) {
6999 SendToProgram("force\n", engineOpponent); // suppress reply
7000 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7002 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7003 GameEnds( result, details, GE_XBOARD );
7006 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7007 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7011 /* Now we test for 50-move draws. Determine ply count */
7012 count = forwardMostMove;
7013 /* look for last irreversble move */
7014 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7016 /* if we hit starting position, add initial plies */
7017 if( count == backwardMostMove )
7018 count -= initialRulePlies;
7019 count = forwardMostMove - count;
7020 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7021 // adjust reversible move counter for checks in Xiangqi
7022 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7023 if(i < backwardMostMove) i = backwardMostMove;
7024 while(i <= forwardMostMove) {
7025 lastCheck = inCheck; // check evasion does not count
7026 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7027 if(inCheck || lastCheck) count--; // check does not count
7032 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7033 /* this is used to judge if draw claims are legal */
7034 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7035 if(engineOpponent) {
7036 SendToProgram("force\n", engineOpponent); // suppress reply
7037 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7039 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7040 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7044 /* if draw offer is pending, treat it as a draw claim
7045 * when draw condition present, to allow engines a way to
7046 * claim draws before making their move to avoid a race
7047 * condition occurring after their move
7049 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7051 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7052 p = "Draw claim: 50-move rule";
7053 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7054 p = "Draw claim: 3-fold repetition";
7055 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7056 p = "Draw claim: insufficient mating material";
7057 if( p != NULL && canAdjudicate) {
7058 if(engineOpponent) {
7059 SendToProgram("force\n", engineOpponent); // suppress reply
7060 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7062 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7063 GameEnds( GameIsDrawn, p, GE_XBOARD );
7068 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7069 if(engineOpponent) {
7070 SendToProgram("force\n", engineOpponent); // suppress reply
7071 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7073 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7074 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7080 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7081 { // [HGM] book: this routine intercepts moves to simulate book replies
7082 char *bookHit = NULL;
7084 //first determine if the incoming move brings opponent into his book
7085 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7086 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7087 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7088 if(bookHit != NULL && !cps->bookSuspend) {
7089 // make sure opponent is not going to reply after receiving move to book position
7090 SendToProgram("force\n", cps);
7091 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7093 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7094 // now arrange restart after book miss
7096 // after a book hit we never send 'go', and the code after the call to this routine
7097 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7099 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
7100 SendToProgram(buf, cps);
7101 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7102 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7103 SendToProgram("go\n", cps);
7104 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7105 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7106 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7107 SendToProgram("go\n", cps);
7108 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7110 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7114 ChessProgramState *savedState;
7115 void DeferredBookMove(void)
7117 if(savedState->lastPing != savedState->lastPong)
7118 ScheduleDelayedEvent(DeferredBookMove, 10);
7120 HandleMachineMove(savedMessage, savedState);
7124 HandleMachineMove(message, cps)
7126 ChessProgramState *cps;
7128 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7129 char realname[MSG_SIZ];
7130 int fromX, fromY, toX, toY;
7139 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7141 * Kludge to ignore BEL characters
7143 while (*message == '\007') message++;
7146 * [HGM] engine debug message: ignore lines starting with '#' character
7148 if(cps->debug && *message == '#') return;
7151 * Look for book output
7153 if (cps == &first && bookRequested) {
7154 if (message[0] == '\t' || message[0] == ' ') {
7155 /* Part of the book output is here; append it */
7156 strcat(bookOutput, message);
7157 strcat(bookOutput, " \n");
7159 } else if (bookOutput[0] != NULLCHAR) {
7160 /* All of book output has arrived; display it */
7161 char *p = bookOutput;
7162 while (*p != NULLCHAR) {
7163 if (*p == '\t') *p = ' ';
7166 DisplayInformation(bookOutput);
7167 bookRequested = FALSE;
7168 /* Fall through to parse the current output */
7173 * Look for machine move.
7175 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7176 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7178 /* This method is only useful on engines that support ping */
7179 if (cps->lastPing != cps->lastPong) {
7180 if (gameMode == BeginningOfGame) {
7181 /* Extra move from before last new; ignore */
7182 if (appData.debugMode) {
7183 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7186 if (appData.debugMode) {
7187 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7188 cps->which, gameMode);
7191 SendToProgram("undo\n", cps);
7197 case BeginningOfGame:
7198 /* Extra move from before last reset; ignore */
7199 if (appData.debugMode) {
7200 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7207 /* Extra move after we tried to stop. The mode test is
7208 not a reliable way of detecting this problem, but it's
7209 the best we can do on engines that don't support ping.
7211 if (appData.debugMode) {
7212 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7213 cps->which, gameMode);
7215 SendToProgram("undo\n", cps);
7218 case MachinePlaysWhite:
7219 case IcsPlayingWhite:
7220 machineWhite = TRUE;
7223 case MachinePlaysBlack:
7224 case IcsPlayingBlack:
7225 machineWhite = FALSE;
7228 case TwoMachinesPlay:
7229 machineWhite = (cps->twoMachinesColor[0] == 'w');
7232 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7233 if (appData.debugMode) {
7235 "Ignoring move out of turn by %s, gameMode %d"
7236 ", forwardMost %d\n",
7237 cps->which, gameMode, forwardMostMove);
7242 if (appData.debugMode) { int f = forwardMostMove;
7243 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7244 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7245 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7247 if(cps->alphaRank) AlphaRank(machineMove, 4);
7248 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7249 &fromX, &fromY, &toX, &toY, &promoChar)) {
7250 /* Machine move could not be parsed; ignore it. */
7251 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7252 machineMove, cps->which);
7253 DisplayError(buf1, 0);
7254 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7255 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7256 if (gameMode == TwoMachinesPlay) {
7257 GameEnds(machineWhite ? BlackWins : WhiteWins,
7263 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7264 /* So we have to redo legality test with true e.p. status here, */
7265 /* to make sure an illegal e.p. capture does not slip through, */
7266 /* to cause a forfeit on a justified illegal-move complaint */
7267 /* of the opponent. */
7268 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7270 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7271 fromY, fromX, toY, toX, promoChar);
7272 if (appData.debugMode) {
7274 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7275 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7276 fprintf(debugFP, "castling rights\n");
7278 if(moveType == IllegalMove) {
7279 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7280 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7281 GameEnds(machineWhite ? BlackWins : WhiteWins,
7284 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7285 /* [HGM] Kludge to handle engines that send FRC-style castling
7286 when they shouldn't (like TSCP-Gothic) */
7288 case WhiteASideCastleFR:
7289 case BlackASideCastleFR:
7291 currentMoveString[2]++;
7293 case WhiteHSideCastleFR:
7294 case BlackHSideCastleFR:
7296 currentMoveString[2]--;
7298 default: ; // nothing to do, but suppresses warning of pedantic compilers
7301 hintRequested = FALSE;
7302 lastHint[0] = NULLCHAR;
7303 bookRequested = FALSE;
7304 /* Program may be pondering now */
7305 cps->maybeThinking = TRUE;
7306 if (cps->sendTime == 2) cps->sendTime = 1;
7307 if (cps->offeredDraw) cps->offeredDraw--;
7309 /* currentMoveString is set as a side-effect of ParseOneMove */
7310 safeStrCpy(machineMove, currentMoveString, sizeof(machineMove)/sizeof(machineMove[0]));
7311 strcat(machineMove, "\n");
7312 safeStrCpy(moveList[forwardMostMove], machineMove, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
7314 /* [AS] Save move info*/
7315 pvInfoList[ forwardMostMove ].score = programStats.score;
7316 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7317 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7319 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7321 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7322 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7325 while( count < adjudicateLossPlies ) {
7326 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7329 score = -score; /* Flip score for winning side */
7332 if( score > adjudicateLossThreshold ) {
7339 if( count >= adjudicateLossPlies ) {
7340 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7342 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7343 "Xboard adjudication",
7350 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7353 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7355 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7356 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7358 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7360 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7362 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7363 char buf[3*MSG_SIZ];
7365 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7366 programStats.score / 100.,
7368 programStats.time / 100.,
7369 (unsigned int)programStats.nodes,
7370 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7371 programStats.movelist);
7373 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7378 /* [AS] Clear stats for next move */
7379 ClearProgramStats();
7380 thinkOutput[0] = NULLCHAR;
7381 hiddenThinkOutputState = 0;
7384 if (gameMode == TwoMachinesPlay) {
7385 /* [HGM] relaying draw offers moved to after reception of move */
7386 /* and interpreting offer as claim if it brings draw condition */
7387 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7388 SendToProgram("draw\n", cps->other);
7390 if (cps->other->sendTime) {
7391 SendTimeRemaining(cps->other,
7392 cps->other->twoMachinesColor[0] == 'w');
7394 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7395 if (firstMove && !bookHit) {
7397 if (cps->other->useColors) {
7398 SendToProgram(cps->other->twoMachinesColor, cps->other);
7400 SendToProgram("go\n", cps->other);
7402 cps->other->maybeThinking = TRUE;
7405 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7407 if (!pausing && appData.ringBellAfterMoves) {
7412 * Reenable menu items that were disabled while
7413 * machine was thinking
7415 if (gameMode != TwoMachinesPlay)
7416 SetUserThinkingEnables();
7418 // [HGM] book: after book hit opponent has received move and is now in force mode
7419 // force the book reply into it, and then fake that it outputted this move by jumping
7420 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7422 static char bookMove[MSG_SIZ]; // a bit generous?
7424 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7425 strcat(bookMove, bookHit);
7428 programStats.nodes = programStats.depth = programStats.time =
7429 programStats.score = programStats.got_only_move = 0;
7430 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7432 if(cps->lastPing != cps->lastPong) {
7433 savedMessage = message; // args for deferred call
7435 ScheduleDelayedEvent(DeferredBookMove, 10);
7444 /* Set special modes for chess engines. Later something general
7445 * could be added here; for now there is just one kludge feature,
7446 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7447 * when "xboard" is given as an interactive command.
7449 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7450 cps->useSigint = FALSE;
7451 cps->useSigterm = FALSE;
7453 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7454 ParseFeatures(message+8, cps);
7455 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7458 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
7459 int dummy, s=6; char buf[MSG_SIZ];
7460 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
7461 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
7462 ParseFEN(boards[0], &dummy, message+s);
7463 DrawPosition(TRUE, boards[0]);
7464 startedFromSetupPosition = TRUE;
7467 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7468 * want this, I was asked to put it in, and obliged.
7470 if (!strncmp(message, "setboard ", 9)) {
7471 Board initial_position;
7473 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7475 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7476 DisplayError(_("Bad FEN received from engine"), 0);
7480 CopyBoard(boards[0], initial_position);
7481 initialRulePlies = FENrulePlies;
7482 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7483 else gameMode = MachinePlaysBlack;
7484 DrawPosition(FALSE, boards[currentMove]);
7490 * Look for communication commands
7492 if (!strncmp(message, "telluser ", 9)) {
7493 if(message[9] == '\\' && message[10] == '\\')
7494 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
7495 DisplayNote(message + 9);
7498 if (!strncmp(message, "tellusererror ", 14)) {
7500 if(message[14] == '\\' && message[15] == '\\')
7501 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
7502 DisplayError(message + 14, 0);
7505 if (!strncmp(message, "tellopponent ", 13)) {
7506 if (appData.icsActive) {
7508 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7512 DisplayNote(message + 13);
7516 if (!strncmp(message, "tellothers ", 11)) {
7517 if (appData.icsActive) {
7519 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7525 if (!strncmp(message, "tellall ", 8)) {
7526 if (appData.icsActive) {
7528 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7532 DisplayNote(message + 8);
7536 if (strncmp(message, "warning", 7) == 0) {
7537 /* Undocumented feature, use tellusererror in new code */
7538 DisplayError(message, 0);
7541 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7542 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
7543 strcat(realname, " query");
7544 AskQuestion(realname, buf2, buf1, cps->pr);
7547 /* Commands from the engine directly to ICS. We don't allow these to be
7548 * sent until we are logged on. Crafty kibitzes have been known to
7549 * interfere with the login process.
7552 if (!strncmp(message, "tellics ", 8)) {
7553 SendToICS(message + 8);
7557 if (!strncmp(message, "tellicsnoalias ", 15)) {
7558 SendToICS(ics_prefix);
7559 SendToICS(message + 15);
7563 /* The following are for backward compatibility only */
7564 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7565 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7566 SendToICS(ics_prefix);
7572 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7576 * If the move is illegal, cancel it and redraw the board.
7577 * Also deal with other error cases. Matching is rather loose
7578 * here to accommodate engines written before the spec.
7580 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7581 strncmp(message, "Error", 5) == 0) {
7582 if (StrStr(message, "name") ||
7583 StrStr(message, "rating") || StrStr(message, "?") ||
7584 StrStr(message, "result") || StrStr(message, "board") ||
7585 StrStr(message, "bk") || StrStr(message, "computer") ||
7586 StrStr(message, "variant") || StrStr(message, "hint") ||
7587 StrStr(message, "random") || StrStr(message, "depth") ||
7588 StrStr(message, "accepted")) {
7591 if (StrStr(message, "protover")) {
7592 /* Program is responding to input, so it's apparently done
7593 initializing, and this error message indicates it is
7594 protocol version 1. So we don't need to wait any longer
7595 for it to initialize and send feature commands. */
7596 FeatureDone(cps, 1);
7597 cps->protocolVersion = 1;
7600 cps->maybeThinking = FALSE;
7602 if (StrStr(message, "draw")) {
7603 /* Program doesn't have "draw" command */
7604 cps->sendDrawOffers = 0;
7607 if (cps->sendTime != 1 &&
7608 (StrStr(message, "time") || StrStr(message, "otim"))) {
7609 /* Program apparently doesn't have "time" or "otim" command */
7613 if (StrStr(message, "analyze")) {
7614 cps->analysisSupport = FALSE;
7615 cps->analyzing = FALSE;
7617 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
7618 DisplayError(buf2, 0);
7621 if (StrStr(message, "(no matching move)st")) {
7622 /* Special kludge for GNU Chess 4 only */
7623 cps->stKludge = TRUE;
7624 SendTimeControl(cps, movesPerSession, timeControl,
7625 timeIncrement, appData.searchDepth,
7629 if (StrStr(message, "(no matching move)sd")) {
7630 /* Special kludge for GNU Chess 4 only */
7631 cps->sdKludge = TRUE;
7632 SendTimeControl(cps, movesPerSession, timeControl,
7633 timeIncrement, appData.searchDepth,
7637 if (!StrStr(message, "llegal")) {
7640 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7641 gameMode == IcsIdle) return;
7642 if (forwardMostMove <= backwardMostMove) return;
7643 if (pausing) PauseEvent();
7644 if(appData.forceIllegal) {
7645 // [HGM] illegal: machine refused move; force position after move into it
7646 SendToProgram("force\n", cps);
7647 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7648 // we have a real problem now, as SendBoard will use the a2a3 kludge
7649 // when black is to move, while there might be nothing on a2 or black
7650 // might already have the move. So send the board as if white has the move.
7651 // But first we must change the stm of the engine, as it refused the last move
7652 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7653 if(WhiteOnMove(forwardMostMove)) {
7654 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7655 SendBoard(cps, forwardMostMove); // kludgeless board
7657 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7658 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7659 SendBoard(cps, forwardMostMove+1); // kludgeless board
7661 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7662 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7663 gameMode == TwoMachinesPlay)
7664 SendToProgram("go\n", cps);
7667 if (gameMode == PlayFromGameFile) {
7668 /* Stop reading this game file */
7669 gameMode = EditGame;
7672 currentMove = forwardMostMove-1;
7673 DisplayMove(currentMove-1); /* before DisplayMoveError */
7674 SwitchClocks(forwardMostMove-1); // [HGM] race
7675 DisplayBothClocks();
7676 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
7677 parseList[currentMove], cps->which);
7678 DisplayMoveError(buf1);
7679 DrawPosition(FALSE, boards[currentMove]);
7681 /* [HGM] illegal-move claim should forfeit game when Xboard */
7682 /* only passes fully legal moves */
7683 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7684 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7685 "False illegal-move claim", GE_XBOARD );
7689 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7690 /* Program has a broken "time" command that
7691 outputs a string not ending in newline.
7697 * If chess program startup fails, exit with an error message.
7698 * Attempts to recover here are futile.
7700 if ((StrStr(message, "unknown host") != NULL)
7701 || (StrStr(message, "No remote directory") != NULL)
7702 || (StrStr(message, "not found") != NULL)
7703 || (StrStr(message, "No such file") != NULL)
7704 || (StrStr(message, "can't alloc") != NULL)
7705 || (StrStr(message, "Permission denied") != NULL)) {
7707 cps->maybeThinking = FALSE;
7708 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7709 cps->which, cps->program, cps->host, message);
7710 RemoveInputSource(cps->isr);
7711 DisplayFatalError(buf1, 0, 1);
7716 * Look for hint output
7718 if (sscanf(message, "Hint: %s", buf1) == 1) {
7719 if (cps == &first && hintRequested) {
7720 hintRequested = FALSE;
7721 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7722 &fromX, &fromY, &toX, &toY, &promoChar)) {
7723 (void) CoordsToAlgebraic(boards[forwardMostMove],
7724 PosFlags(forwardMostMove),
7725 fromY, fromX, toY, toX, promoChar, buf1);
7726 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7727 DisplayInformation(buf2);
7729 /* Hint move could not be parsed!? */
7730 snprintf(buf2, sizeof(buf2),
7731 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7733 DisplayError(buf2, 0);
7736 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
7742 * Ignore other messages if game is not in progress
7744 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7745 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7748 * look for win, lose, draw, or draw offer
7750 if (strncmp(message, "1-0", 3) == 0) {
7751 char *p, *q, *r = "";
7752 p = strchr(message, '{');
7760 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7762 } else if (strncmp(message, "0-1", 3) == 0) {
7763 char *p, *q, *r = "";
7764 p = strchr(message, '{');
7772 /* Kludge for Arasan 4.1 bug */
7773 if (strcmp(r, "Black resigns") == 0) {
7774 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7777 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7779 } else if (strncmp(message, "1/2", 3) == 0) {
7780 char *p, *q, *r = "";
7781 p = strchr(message, '{');
7790 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7793 } else if (strncmp(message, "White resign", 12) == 0) {
7794 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7796 } else if (strncmp(message, "Black resign", 12) == 0) {
7797 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7799 } else if (strncmp(message, "White matches", 13) == 0 ||
7800 strncmp(message, "Black matches", 13) == 0 ) {
7801 /* [HGM] ignore GNUShogi noises */
7803 } else if (strncmp(message, "White", 5) == 0 &&
7804 message[5] != '(' &&
7805 StrStr(message, "Black") == NULL) {
7806 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7808 } else if (strncmp(message, "Black", 5) == 0 &&
7809 message[5] != '(') {
7810 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7812 } else if (strcmp(message, "resign") == 0 ||
7813 strcmp(message, "computer resigns") == 0) {
7815 case MachinePlaysBlack:
7816 case IcsPlayingBlack:
7817 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7819 case MachinePlaysWhite:
7820 case IcsPlayingWhite:
7821 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7823 case TwoMachinesPlay:
7824 if (cps->twoMachinesColor[0] == 'w')
7825 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7827 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7834 } else if (strncmp(message, "opponent mates", 14) == 0) {
7836 case MachinePlaysBlack:
7837 case IcsPlayingBlack:
7838 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7840 case MachinePlaysWhite:
7841 case IcsPlayingWhite:
7842 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7844 case TwoMachinesPlay:
7845 if (cps->twoMachinesColor[0] == 'w')
7846 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7848 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7855 } else if (strncmp(message, "computer mates", 14) == 0) {
7857 case MachinePlaysBlack:
7858 case IcsPlayingBlack:
7859 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7861 case MachinePlaysWhite:
7862 case IcsPlayingWhite:
7863 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7865 case TwoMachinesPlay:
7866 if (cps->twoMachinesColor[0] == 'w')
7867 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7869 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7876 } else if (strncmp(message, "checkmate", 9) == 0) {
7877 if (WhiteOnMove(forwardMostMove)) {
7878 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7880 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7883 } else if (strstr(message, "Draw") != NULL ||
7884 strstr(message, "game is a draw") != NULL) {
7885 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7887 } else if (strstr(message, "offer") != NULL &&
7888 strstr(message, "draw") != NULL) {
7890 if (appData.zippyPlay && first.initDone) {
7891 /* Relay offer to ICS */
7892 SendToICS(ics_prefix);
7893 SendToICS("draw\n");
7896 cps->offeredDraw = 2; /* valid until this engine moves twice */
7897 if (gameMode == TwoMachinesPlay) {
7898 if (cps->other->offeredDraw) {
7899 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7900 /* [HGM] in two-machine mode we delay relaying draw offer */
7901 /* until after we also have move, to see if it is really claim */
7903 } else if (gameMode == MachinePlaysWhite ||
7904 gameMode == MachinePlaysBlack) {
7905 if (userOfferedDraw) {
7906 DisplayInformation(_("Machine accepts your draw offer"));
7907 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7909 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7916 * Look for thinking output
7918 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7919 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7921 int plylev, mvleft, mvtot, curscore, time;
7922 char mvname[MOVE_LEN];
7926 int prefixHint = FALSE;
7927 mvname[0] = NULLCHAR;
7930 case MachinePlaysBlack:
7931 case IcsPlayingBlack:
7932 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7934 case MachinePlaysWhite:
7935 case IcsPlayingWhite:
7936 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7941 case IcsObserving: /* [DM] icsEngineAnalyze */
7942 if (!appData.icsEngineAnalyze) ignore = TRUE;
7944 case TwoMachinesPlay:
7945 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7955 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7957 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7958 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7960 if (plyext != ' ' && plyext != '\t') {
7964 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7965 if( cps->scoreIsAbsolute &&
7966 ( gameMode == MachinePlaysBlack ||
7967 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7968 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7969 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7970 !WhiteOnMove(currentMove)
7973 curscore = -curscore;
7977 tempStats.depth = plylev;
7978 tempStats.nodes = nodes;
7979 tempStats.time = time;
7980 tempStats.score = curscore;
7981 tempStats.got_only_move = 0;
7983 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7986 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7987 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7988 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7989 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7990 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7991 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7992 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7993 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7996 /* Buffer overflow protection */
7997 if (buf1[0] != NULLCHAR) {
7998 if (strlen(buf1) >= sizeof(tempStats.movelist)
7999 && appData.debugMode) {
8001 "PV is too long; using the first %u bytes.\n",
8002 (unsigned) sizeof(tempStats.movelist) - 1);
8005 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8007 sprintf(tempStats.movelist, " no PV\n");
8010 if (tempStats.seen_stat) {
8011 tempStats.ok_to_send = 1;
8014 if (strchr(tempStats.movelist, '(') != NULL) {
8015 tempStats.line_is_book = 1;
8016 tempStats.nr_moves = 0;
8017 tempStats.moves_left = 0;
8019 tempStats.line_is_book = 0;
8022 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8023 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8025 SendProgramStatsToFrontend( cps, &tempStats );
8028 [AS] Protect the thinkOutput buffer from overflow... this
8029 is only useful if buf1 hasn't overflowed first!
8031 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8033 (gameMode == TwoMachinesPlay ?
8034 ToUpper(cps->twoMachinesColor[0]) : ' '),
8035 ((double) curscore) / 100.0,
8036 prefixHint ? lastHint : "",
8037 prefixHint ? " " : "" );
8039 if( buf1[0] != NULLCHAR ) {
8040 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8042 if( strlen(buf1) > max_len ) {
8043 if( appData.debugMode) {
8044 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8046 buf1[max_len+1] = '\0';
8049 strcat( thinkOutput, buf1 );
8052 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8053 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8054 DisplayMove(currentMove - 1);
8058 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8059 /* crafty (9.25+) says "(only move) <move>"
8060 * if there is only 1 legal move
8062 sscanf(p, "(only move) %s", buf1);
8063 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8064 sprintf(programStats.movelist, "%s (only move)", buf1);
8065 programStats.depth = 1;
8066 programStats.nr_moves = 1;
8067 programStats.moves_left = 1;
8068 programStats.nodes = 1;
8069 programStats.time = 1;
8070 programStats.got_only_move = 1;
8072 /* Not really, but we also use this member to
8073 mean "line isn't going to change" (Crafty
8074 isn't searching, so stats won't change) */
8075 programStats.line_is_book = 1;
8077 SendProgramStatsToFrontend( cps, &programStats );
8079 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8080 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8081 DisplayMove(currentMove - 1);
8084 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8085 &time, &nodes, &plylev, &mvleft,
8086 &mvtot, mvname) >= 5) {
8087 /* The stat01: line is from Crafty (9.29+) in response
8088 to the "." command */
8089 programStats.seen_stat = 1;
8090 cps->maybeThinking = TRUE;
8092 if (programStats.got_only_move || !appData.periodicUpdates)
8095 programStats.depth = plylev;
8096 programStats.time = time;
8097 programStats.nodes = nodes;
8098 programStats.moves_left = mvleft;
8099 programStats.nr_moves = mvtot;
8100 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8101 programStats.ok_to_send = 1;
8102 programStats.movelist[0] = '\0';
8104 SendProgramStatsToFrontend( cps, &programStats );
8108 } else if (strncmp(message,"++",2) == 0) {
8109 /* Crafty 9.29+ outputs this */
8110 programStats.got_fail = 2;
8113 } else if (strncmp(message,"--",2) == 0) {
8114 /* Crafty 9.29+ outputs this */
8115 programStats.got_fail = 1;
8118 } else if (thinkOutput[0] != NULLCHAR &&
8119 strncmp(message, " ", 4) == 0) {
8120 unsigned message_len;
8123 while (*p && *p == ' ') p++;
8125 message_len = strlen( p );
8127 /* [AS] Avoid buffer overflow */
8128 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8129 strcat(thinkOutput, " ");
8130 strcat(thinkOutput, p);
8133 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8134 strcat(programStats.movelist, " ");
8135 strcat(programStats.movelist, p);
8138 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8139 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8140 DisplayMove(currentMove - 1);
8148 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8149 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8151 ChessProgramStats cpstats;
8153 if (plyext != ' ' && plyext != '\t') {
8157 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8158 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8159 curscore = -curscore;
8162 cpstats.depth = plylev;
8163 cpstats.nodes = nodes;
8164 cpstats.time = time;
8165 cpstats.score = curscore;
8166 cpstats.got_only_move = 0;
8167 cpstats.movelist[0] = '\0';
8169 if (buf1[0] != NULLCHAR) {
8170 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8173 cpstats.ok_to_send = 0;
8174 cpstats.line_is_book = 0;
8175 cpstats.nr_moves = 0;
8176 cpstats.moves_left = 0;
8178 SendProgramStatsToFrontend( cps, &cpstats );
8185 /* Parse a game score from the character string "game", and
8186 record it as the history of the current game. The game
8187 score is NOT assumed to start from the standard position.
8188 The display is not updated in any way.
8191 ParseGameHistory(game)
8195 int fromX, fromY, toX, toY, boardIndex;
8200 if (appData.debugMode)
8201 fprintf(debugFP, "Parsing game history: %s\n", game);
8203 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8204 gameInfo.site = StrSave(appData.icsHost);
8205 gameInfo.date = PGNDate();
8206 gameInfo.round = StrSave("-");
8208 /* Parse out names of players */
8209 while (*game == ' ') game++;
8211 while (*game != ' ') *p++ = *game++;
8213 gameInfo.white = StrSave(buf);
8214 while (*game == ' ') game++;
8216 while (*game != ' ' && *game != '\n') *p++ = *game++;
8218 gameInfo.black = StrSave(buf);
8221 boardIndex = blackPlaysFirst ? 1 : 0;
8224 yyboardindex = boardIndex;
8225 moveType = (ChessMove) Myylex();
8227 case IllegalMove: /* maybe suicide chess, etc. */
8228 if (appData.debugMode) {
8229 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8230 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8231 setbuf(debugFP, NULL);
8233 case WhitePromotion:
8234 case BlackPromotion:
8235 case WhiteNonPromotion:
8236 case BlackNonPromotion:
8238 case WhiteCapturesEnPassant:
8239 case BlackCapturesEnPassant:
8240 case WhiteKingSideCastle:
8241 case WhiteQueenSideCastle:
8242 case BlackKingSideCastle:
8243 case BlackQueenSideCastle:
8244 case WhiteKingSideCastleWild:
8245 case WhiteQueenSideCastleWild:
8246 case BlackKingSideCastleWild:
8247 case BlackQueenSideCastleWild:
8249 case WhiteHSideCastleFR:
8250 case WhiteASideCastleFR:
8251 case BlackHSideCastleFR:
8252 case BlackASideCastleFR:
8254 fromX = currentMoveString[0] - AAA;
8255 fromY = currentMoveString[1] - ONE;
8256 toX = currentMoveString[2] - AAA;
8257 toY = currentMoveString[3] - ONE;
8258 promoChar = currentMoveString[4];
8262 fromX = moveType == WhiteDrop ?
8263 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8264 (int) CharToPiece(ToLower(currentMoveString[0]));
8266 toX = currentMoveString[2] - AAA;
8267 toY = currentMoveString[3] - ONE;
8268 promoChar = NULLCHAR;
8272 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8273 if (appData.debugMode) {
8274 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8275 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8276 setbuf(debugFP, NULL);
8278 DisplayError(buf, 0);
8280 case ImpossibleMove:
8282 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8283 if (appData.debugMode) {
8284 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8285 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8286 setbuf(debugFP, NULL);
8288 DisplayError(buf, 0);
8291 if (boardIndex < backwardMostMove) {
8292 /* Oops, gap. How did that happen? */
8293 DisplayError(_("Gap in move list"), 0);
8296 backwardMostMove = blackPlaysFirst ? 1 : 0;
8297 if (boardIndex > forwardMostMove) {
8298 forwardMostMove = boardIndex;
8302 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8303 strcat(parseList[boardIndex-1], " ");
8304 strcat(parseList[boardIndex-1], yy_text);
8316 case GameUnfinished:
8317 if (gameMode == IcsExamining) {
8318 if (boardIndex < backwardMostMove) {
8319 /* Oops, gap. How did that happen? */
8322 backwardMostMove = blackPlaysFirst ? 1 : 0;
8325 gameInfo.result = moveType;
8326 p = strchr(yy_text, '{');
8327 if (p == NULL) p = strchr(yy_text, '(');
8330 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8332 q = strchr(p, *p == '{' ? '}' : ')');
8333 if (q != NULL) *q = NULLCHAR;
8336 gameInfo.resultDetails = StrSave(p);
8339 if (boardIndex >= forwardMostMove &&
8340 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8341 backwardMostMove = blackPlaysFirst ? 1 : 0;
8344 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8345 fromY, fromX, toY, toX, promoChar,
8346 parseList[boardIndex]);
8347 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8348 /* currentMoveString is set as a side-effect of yylex */
8349 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8350 strcat(moveList[boardIndex], "\n");
8352 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8353 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8359 if(gameInfo.variant != VariantShogi)
8360 strcat(parseList[boardIndex - 1], "+");
8364 strcat(parseList[boardIndex - 1], "#");
8371 /* Apply a move to the given board */
8373 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8374 int fromX, fromY, toX, toY;
8378 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8379 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8381 /* [HGM] compute & store e.p. status and castling rights for new position */
8382 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8384 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8385 oldEP = (signed char)board[EP_STATUS];
8386 board[EP_STATUS] = EP_NONE;
8388 if( board[toY][toX] != EmptySquare )
8389 board[EP_STATUS] = EP_CAPTURE;
8391 if (fromY == DROP_RANK) {
8393 piece = board[toY][toX] = (ChessSquare) fromX;
8397 if( board[fromY][fromX] == WhitePawn ) {
8398 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8399 board[EP_STATUS] = EP_PAWN_MOVE;
8401 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8402 gameInfo.variant != VariantBerolina || toX < fromX)
8403 board[EP_STATUS] = toX | berolina;
8404 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8405 gameInfo.variant != VariantBerolina || toX > fromX)
8406 board[EP_STATUS] = toX;
8409 if( board[fromY][fromX] == BlackPawn ) {
8410 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8411 board[EP_STATUS] = EP_PAWN_MOVE;
8412 if( toY-fromY== -2) {
8413 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8414 gameInfo.variant != VariantBerolina || toX < fromX)
8415 board[EP_STATUS] = toX | berolina;
8416 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8417 gameInfo.variant != VariantBerolina || toX > fromX)
8418 board[EP_STATUS] = toX;
8422 for(i=0; i<nrCastlingRights; i++) {
8423 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8424 board[CASTLING][i] == toX && castlingRank[i] == toY
8425 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8428 if (fromX == toX && fromY == toY) return;
8430 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8431 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8432 if(gameInfo.variant == VariantKnightmate)
8433 king += (int) WhiteUnicorn - (int) WhiteKing;
8435 /* Code added by Tord: */
8436 /* FRC castling assumed when king captures friendly rook. */
8437 if (board[fromY][fromX] == WhiteKing &&
8438 board[toY][toX] == WhiteRook) {
8439 board[fromY][fromX] = EmptySquare;
8440 board[toY][toX] = EmptySquare;
8442 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8444 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8446 } else if (board[fromY][fromX] == BlackKing &&
8447 board[toY][toX] == BlackRook) {
8448 board[fromY][fromX] = EmptySquare;
8449 board[toY][toX] = EmptySquare;
8451 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8453 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8455 /* End of code added by Tord */
8457 } else if (board[fromY][fromX] == king
8458 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8459 && toY == fromY && toX > fromX+1) {
8460 board[fromY][fromX] = EmptySquare;
8461 board[toY][toX] = king;
8462 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8463 board[fromY][BOARD_RGHT-1] = EmptySquare;
8464 } else if (board[fromY][fromX] == king
8465 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8466 && toY == fromY && toX < fromX-1) {
8467 board[fromY][fromX] = EmptySquare;
8468 board[toY][toX] = king;
8469 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8470 board[fromY][BOARD_LEFT] = EmptySquare;
8471 } else if (board[fromY][fromX] == WhitePawn
8472 && toY >= BOARD_HEIGHT-promoRank
8473 && gameInfo.variant != VariantXiangqi
8475 /* white pawn promotion */
8476 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8477 if (board[toY][toX] == EmptySquare) {
8478 board[toY][toX] = WhiteQueen;
8480 if(gameInfo.variant==VariantBughouse ||
8481 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8482 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8483 board[fromY][fromX] = EmptySquare;
8484 } else if ((fromY == BOARD_HEIGHT-4)
8486 && gameInfo.variant != VariantXiangqi
8487 && gameInfo.variant != VariantBerolina
8488 && (board[fromY][fromX] == WhitePawn)
8489 && (board[toY][toX] == EmptySquare)) {
8490 board[fromY][fromX] = EmptySquare;
8491 board[toY][toX] = WhitePawn;
8492 captured = board[toY - 1][toX];
8493 board[toY - 1][toX] = EmptySquare;
8494 } else if ((fromY == BOARD_HEIGHT-4)
8496 && gameInfo.variant == VariantBerolina
8497 && (board[fromY][fromX] == WhitePawn)
8498 && (board[toY][toX] == EmptySquare)) {
8499 board[fromY][fromX] = EmptySquare;
8500 board[toY][toX] = WhitePawn;
8501 if(oldEP & EP_BEROLIN_A) {
8502 captured = board[fromY][fromX-1];
8503 board[fromY][fromX-1] = EmptySquare;
8504 }else{ captured = board[fromY][fromX+1];
8505 board[fromY][fromX+1] = EmptySquare;
8507 } else if (board[fromY][fromX] == king
8508 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8509 && toY == fromY && toX > fromX+1) {
8510 board[fromY][fromX] = EmptySquare;
8511 board[toY][toX] = king;
8512 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8513 board[fromY][BOARD_RGHT-1] = EmptySquare;
8514 } else if (board[fromY][fromX] == king
8515 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8516 && toY == fromY && toX < fromX-1) {
8517 board[fromY][fromX] = EmptySquare;
8518 board[toY][toX] = king;
8519 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8520 board[fromY][BOARD_LEFT] = EmptySquare;
8521 } else if (fromY == 7 && fromX == 3
8522 && board[fromY][fromX] == BlackKing
8523 && toY == 7 && toX == 5) {
8524 board[fromY][fromX] = EmptySquare;
8525 board[toY][toX] = BlackKing;
8526 board[fromY][7] = EmptySquare;
8527 board[toY][4] = BlackRook;
8528 } else if (fromY == 7 && fromX == 3
8529 && board[fromY][fromX] == BlackKing
8530 && toY == 7 && toX == 1) {
8531 board[fromY][fromX] = EmptySquare;
8532 board[toY][toX] = BlackKing;
8533 board[fromY][0] = EmptySquare;
8534 board[toY][2] = BlackRook;
8535 } else if (board[fromY][fromX] == BlackPawn
8537 && gameInfo.variant != VariantXiangqi
8539 /* black pawn promotion */
8540 board[toY][toX] = CharToPiece(ToLower(promoChar));
8541 if (board[toY][toX] == EmptySquare) {
8542 board[toY][toX] = BlackQueen;
8544 if(gameInfo.variant==VariantBughouse ||
8545 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8546 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8547 board[fromY][fromX] = EmptySquare;
8548 } else if ((fromY == 3)
8550 && gameInfo.variant != VariantXiangqi
8551 && gameInfo.variant != VariantBerolina
8552 && (board[fromY][fromX] == BlackPawn)
8553 && (board[toY][toX] == EmptySquare)) {
8554 board[fromY][fromX] = EmptySquare;
8555 board[toY][toX] = BlackPawn;
8556 captured = board[toY + 1][toX];
8557 board[toY + 1][toX] = EmptySquare;
8558 } else if ((fromY == 3)
8560 && gameInfo.variant == VariantBerolina
8561 && (board[fromY][fromX] == BlackPawn)
8562 && (board[toY][toX] == EmptySquare)) {
8563 board[fromY][fromX] = EmptySquare;
8564 board[toY][toX] = BlackPawn;
8565 if(oldEP & EP_BEROLIN_A) {
8566 captured = board[fromY][fromX-1];
8567 board[fromY][fromX-1] = EmptySquare;
8568 }else{ captured = board[fromY][fromX+1];
8569 board[fromY][fromX+1] = EmptySquare;
8572 board[toY][toX] = board[fromY][fromX];
8573 board[fromY][fromX] = EmptySquare;
8577 if (gameInfo.holdingsWidth != 0) {
8579 /* !!A lot more code needs to be written to support holdings */
8580 /* [HGM] OK, so I have written it. Holdings are stored in the */
8581 /* penultimate board files, so they are automaticlly stored */
8582 /* in the game history. */
8583 if (fromY == DROP_RANK) {
8584 /* Delete from holdings, by decreasing count */
8585 /* and erasing image if necessary */
8587 if(p < (int) BlackPawn) { /* white drop */
8588 p -= (int)WhitePawn;
8589 p = PieceToNumber((ChessSquare)p);
8590 if(p >= gameInfo.holdingsSize) p = 0;
8591 if(--board[p][BOARD_WIDTH-2] <= 0)
8592 board[p][BOARD_WIDTH-1] = EmptySquare;
8593 if((int)board[p][BOARD_WIDTH-2] < 0)
8594 board[p][BOARD_WIDTH-2] = 0;
8595 } else { /* black drop */
8596 p -= (int)BlackPawn;
8597 p = PieceToNumber((ChessSquare)p);
8598 if(p >= gameInfo.holdingsSize) p = 0;
8599 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8600 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8601 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8602 board[BOARD_HEIGHT-1-p][1] = 0;
8605 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8606 && gameInfo.variant != VariantBughouse ) {
8607 /* [HGM] holdings: Add to holdings, if holdings exist */
8608 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8609 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8610 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8613 if (p >= (int) BlackPawn) {
8614 p -= (int)BlackPawn;
8615 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8616 /* in Shogi restore piece to its original first */
8617 captured = (ChessSquare) (DEMOTED captured);
8620 p = PieceToNumber((ChessSquare)p);
8621 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8622 board[p][BOARD_WIDTH-2]++;
8623 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8625 p -= (int)WhitePawn;
8626 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8627 captured = (ChessSquare) (DEMOTED captured);
8630 p = PieceToNumber((ChessSquare)p);
8631 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8632 board[BOARD_HEIGHT-1-p][1]++;
8633 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8636 } else if (gameInfo.variant == VariantAtomic) {
8637 if (captured != EmptySquare) {
8639 for (y = toY-1; y <= toY+1; y++) {
8640 for (x = toX-1; x <= toX+1; x++) {
8641 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8642 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8643 board[y][x] = EmptySquare;
8647 board[toY][toX] = EmptySquare;
8650 if(promoChar == '+') {
8651 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
8652 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8653 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
8654 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
8656 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8657 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8658 // [HGM] superchess: take promotion piece out of holdings
8659 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8660 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8661 if(!--board[k][BOARD_WIDTH-2])
8662 board[k][BOARD_WIDTH-1] = EmptySquare;
8664 if(!--board[BOARD_HEIGHT-1-k][1])
8665 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8671 /* Updates forwardMostMove */
8673 MakeMove(fromX, fromY, toX, toY, promoChar)
8674 int fromX, fromY, toX, toY;
8677 // forwardMostMove++; // [HGM] bare: moved downstream
8679 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8680 int timeLeft; static int lastLoadFlag=0; int king, piece;
8681 piece = boards[forwardMostMove][fromY][fromX];
8682 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8683 if(gameInfo.variant == VariantKnightmate)
8684 king += (int) WhiteUnicorn - (int) WhiteKing;
8685 if(forwardMostMove == 0) {
8687 fprintf(serverMoves, "%s;", second.tidy);
8688 fprintf(serverMoves, "%s;", first.tidy);
8689 if(!blackPlaysFirst)
8690 fprintf(serverMoves, "%s;", second.tidy);
8691 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8692 lastLoadFlag = loadFlag;
8694 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8695 // print castling suffix
8696 if( toY == fromY && piece == king ) {
8698 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8700 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8703 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8704 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8705 boards[forwardMostMove][toY][toX] == EmptySquare
8706 && fromX != toX && fromY != toY)
8707 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8709 if(promoChar != NULLCHAR)
8710 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8712 fprintf(serverMoves, "/%d/%d",
8713 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8714 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8715 else timeLeft = blackTimeRemaining/1000;
8716 fprintf(serverMoves, "/%d", timeLeft);
8718 fflush(serverMoves);
8721 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8722 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8726 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8727 if (commentList[forwardMostMove+1] != NULL) {
8728 free(commentList[forwardMostMove+1]);
8729 commentList[forwardMostMove+1] = NULL;
8731 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8732 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8733 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8734 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8735 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8736 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8737 gameInfo.result = GameUnfinished;
8738 if (gameInfo.resultDetails != NULL) {
8739 free(gameInfo.resultDetails);
8740 gameInfo.resultDetails = NULL;
8742 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8743 moveList[forwardMostMove - 1]);
8744 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8745 PosFlags(forwardMostMove - 1),
8746 fromY, fromX, toY, toX, promoChar,
8747 parseList[forwardMostMove - 1]);
8748 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8754 if(gameInfo.variant != VariantShogi)
8755 strcat(parseList[forwardMostMove - 1], "+");
8759 strcat(parseList[forwardMostMove - 1], "#");
8762 if (appData.debugMode) {
8763 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8768 /* Updates currentMove if not pausing */
8770 ShowMove(fromX, fromY, toX, toY)
8772 int instant = (gameMode == PlayFromGameFile) ?
8773 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8774 if(appData.noGUI) return;
8775 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8777 if (forwardMostMove == currentMove + 1) {
8778 AnimateMove(boards[forwardMostMove - 1],
8779 fromX, fromY, toX, toY);
8781 if (appData.highlightLastMove) {
8782 SetHighlights(fromX, fromY, toX, toY);
8785 currentMove = forwardMostMove;
8788 if (instant) return;
8790 DisplayMove(currentMove - 1);
8791 DrawPosition(FALSE, boards[currentMove]);
8792 DisplayBothClocks();
8793 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8796 void SendEgtPath(ChessProgramState *cps)
8797 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8798 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8800 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8803 char c, *q = name+1, *r, *s;
8805 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8806 while(*p && *p != ',') *q++ = *p++;
8808 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8809 strcmp(name, ",nalimov:") == 0 ) {
8810 // take nalimov path from the menu-changeable option first, if it is defined
8811 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8812 SendToProgram(buf,cps); // send egtbpath command for nalimov
8814 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8815 (s = StrStr(appData.egtFormats, name)) != NULL) {
8816 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8817 s = r = StrStr(s, ":") + 1; // beginning of path info
8818 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8819 c = *r; *r = 0; // temporarily null-terminate path info
8820 *--q = 0; // strip of trailig ':' from name
8821 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
8823 SendToProgram(buf,cps); // send egtbpath command for this format
8825 if(*p == ',') p++; // read away comma to position for next format name
8830 InitChessProgram(cps, setup)
8831 ChessProgramState *cps;
8832 int setup; /* [HGM] needed to setup FRC opening position */
8834 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8835 if (appData.noChessProgram) return;
8836 hintRequested = FALSE;
8837 bookRequested = FALSE;
8839 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8840 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8841 if(cps->memSize) { /* [HGM] memory */
8842 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8843 SendToProgram(buf, cps);
8845 SendEgtPath(cps); /* [HGM] EGT */
8846 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8847 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
8848 SendToProgram(buf, cps);
8851 SendToProgram(cps->initString, cps);
8852 if (gameInfo.variant != VariantNormal &&
8853 gameInfo.variant != VariantLoadable
8854 /* [HGM] also send variant if board size non-standard */
8855 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8857 char *v = VariantName(gameInfo.variant);
8858 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8859 /* [HGM] in protocol 1 we have to assume all variants valid */
8860 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
8861 DisplayFatalError(buf, 0, 1);
8865 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8866 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8867 if( gameInfo.variant == VariantXiangqi )
8868 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8869 if( gameInfo.variant == VariantShogi )
8870 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8871 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8872 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8873 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8874 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8875 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8876 if( gameInfo.variant == VariantCourier )
8877 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8878 if( gameInfo.variant == VariantSuper )
8879 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8880 if( gameInfo.variant == VariantGreat )
8881 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8884 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8885 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8886 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8887 if(StrStr(cps->variants, b) == NULL) {
8888 // specific sized variant not known, check if general sizing allowed
8889 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8890 if(StrStr(cps->variants, "boardsize") == NULL) {
8891 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
8892 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8893 DisplayFatalError(buf, 0, 1);
8896 /* [HGM] here we really should compare with the maximum supported board size */
8899 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
8900 snprintf(buf, MSG_SIZ, "variant %s\n", b);
8901 SendToProgram(buf, cps);
8903 currentlyInitializedVariant = gameInfo.variant;
8905 /* [HGM] send opening position in FRC to first engine */
8907 SendToProgram("force\n", cps);
8909 /* engine is now in force mode! Set flag to wake it up after first move. */
8910 setboardSpoiledMachineBlack = 1;
8914 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8915 SendToProgram(buf, cps);
8917 cps->maybeThinking = FALSE;
8918 cps->offeredDraw = 0;
8919 if (!appData.icsActive) {
8920 SendTimeControl(cps, movesPerSession, timeControl,
8921 timeIncrement, appData.searchDepth,
8924 if (appData.showThinking
8925 // [HGM] thinking: four options require thinking output to be sent
8926 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8928 SendToProgram("post\n", cps);
8930 SendToProgram("hard\n", cps);
8931 if (!appData.ponderNextMove) {
8932 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8933 it without being sure what state we are in first. "hard"
8934 is not a toggle, so that one is OK.
8936 SendToProgram("easy\n", cps);
8939 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
8940 SendToProgram(buf, cps);
8942 cps->initDone = TRUE;
8947 StartChessProgram(cps)
8948 ChessProgramState *cps;
8953 if (appData.noChessProgram) return;
8954 cps->initDone = FALSE;
8956 if (strcmp(cps->host, "localhost") == 0) {
8957 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8958 } else if (*appData.remoteShell == NULLCHAR) {
8959 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8961 if (*appData.remoteUser == NULLCHAR) {
8962 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8965 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8966 cps->host, appData.remoteUser, cps->program);
8968 err = StartChildProcess(buf, "", &cps->pr);
8972 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
8973 DisplayFatalError(buf, err, 1);
8979 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8980 if (cps->protocolVersion > 1) {
8981 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
8982 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8983 cps->comboCnt = 0; // and values of combo boxes
8984 SendToProgram(buf, cps);
8986 SendToProgram("xboard\n", cps);
8992 TwoMachinesEventIfReady P((void))
8994 if (first.lastPing != first.lastPong) {
8995 DisplayMessage("", _("Waiting for first chess program"));
8996 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8999 if (second.lastPing != second.lastPong) {
9000 DisplayMessage("", _("Waiting for second chess program"));
9001 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9009 NextMatchGame P((void))
9011 int index; /* [HGM] autoinc: step load index during match */
9013 if (*appData.loadGameFile != NULLCHAR) {
9014 index = appData.loadGameIndex;
9015 if(index < 0) { // [HGM] autoinc
9016 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9017 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9019 LoadGameFromFile(appData.loadGameFile,
9021 appData.loadGameFile, FALSE);
9022 } else if (*appData.loadPositionFile != NULLCHAR) {
9023 index = appData.loadPositionIndex;
9024 if(index < 0) { // [HGM] autoinc
9025 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9026 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9028 LoadPositionFromFile(appData.loadPositionFile,
9030 appData.loadPositionFile);
9032 TwoMachinesEventIfReady();
9035 void UserAdjudicationEvent( int result )
9037 ChessMove gameResult = GameIsDrawn;
9040 gameResult = WhiteWins;
9042 else if( result < 0 ) {
9043 gameResult = BlackWins;
9046 if( gameMode == TwoMachinesPlay ) {
9047 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9052 // [HGM] save: calculate checksum of game to make games easily identifiable
9053 int StringCheckSum(char *s)
9056 if(s==NULL) return 0;
9057 while(*s) i = i*259 + *s++;
9064 for(i=backwardMostMove; i<forwardMostMove; i++) {
9065 sum += pvInfoList[i].depth;
9066 sum += StringCheckSum(parseList[i]);
9067 sum += StringCheckSum(commentList[i]);
9070 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9071 return sum + StringCheckSum(commentList[i]);
9072 } // end of save patch
9075 GameEnds(result, resultDetails, whosays)
9077 char *resultDetails;
9080 GameMode nextGameMode;
9082 char buf[MSG_SIZ], popupRequested = 0;
9084 if(endingGame) return; /* [HGM] crash: forbid recursion */
9086 if(twoBoards) { // [HGM] dual: switch back to one board
9087 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9088 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9090 if (appData.debugMode) {
9091 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9092 result, resultDetails ? resultDetails : "(null)", whosays);
9095 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9097 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9098 /* If we are playing on ICS, the server decides when the
9099 game is over, but the engine can offer to draw, claim
9103 if (appData.zippyPlay && first.initDone) {
9104 if (result == GameIsDrawn) {
9105 /* In case draw still needs to be claimed */
9106 SendToICS(ics_prefix);
9107 SendToICS("draw\n");
9108 } else if (StrCaseStr(resultDetails, "resign")) {
9109 SendToICS(ics_prefix);
9110 SendToICS("resign\n");
9114 endingGame = 0; /* [HGM] crash */
9118 /* If we're loading the game from a file, stop */
9119 if (whosays == GE_FILE) {
9120 (void) StopLoadGameTimer();
9124 /* Cancel draw offers */
9125 first.offeredDraw = second.offeredDraw = 0;
9127 /* If this is an ICS game, only ICS can really say it's done;
9128 if not, anyone can. */
9129 isIcsGame = (gameMode == IcsPlayingWhite ||
9130 gameMode == IcsPlayingBlack ||
9131 gameMode == IcsObserving ||
9132 gameMode == IcsExamining);
9134 if (!isIcsGame || whosays == GE_ICS) {
9135 /* OK -- not an ICS game, or ICS said it was done */
9137 if (!isIcsGame && !appData.noChessProgram)
9138 SetUserThinkingEnables();
9140 /* [HGM] if a machine claims the game end we verify this claim */
9141 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9142 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9144 ChessMove trueResult = (ChessMove) -1;
9146 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9147 first.twoMachinesColor[0] :
9148 second.twoMachinesColor[0] ;
9150 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9151 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9152 /* [HGM] verify: engine mate claims accepted if they were flagged */
9153 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9155 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9156 /* [HGM] verify: engine mate claims accepted if they were flagged */
9157 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9159 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9160 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9163 // now verify win claims, but not in drop games, as we don't understand those yet
9164 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9165 || gameInfo.variant == VariantGreat) &&
9166 (result == WhiteWins && claimer == 'w' ||
9167 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9168 if (appData.debugMode) {
9169 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9170 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9172 if(result != trueResult) {
9173 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
9174 result = claimer == 'w' ? BlackWins : WhiteWins;
9175 resultDetails = buf;
9178 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9179 && (forwardMostMove <= backwardMostMove ||
9180 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9181 (claimer=='b')==(forwardMostMove&1))
9183 /* [HGM] verify: draws that were not flagged are false claims */
9184 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
9185 result = claimer == 'w' ? BlackWins : WhiteWins;
9186 resultDetails = buf;
9188 /* (Claiming a loss is accepted no questions asked!) */
9190 /* [HGM] bare: don't allow bare King to win */
9191 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9192 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9193 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9194 && result != GameIsDrawn)
9195 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9196 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9197 int p = (signed char)boards[forwardMostMove][i][j] - color;
9198 if(p >= 0 && p <= (int)WhiteKing) k++;
9200 if (appData.debugMode) {
9201 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9202 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9205 result = GameIsDrawn;
9206 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
9207 resultDetails = buf;
9213 if(serverMoves != NULL && !loadFlag) { char c = '=';
9214 if(result==WhiteWins) c = '+';
9215 if(result==BlackWins) c = '-';
9216 if(resultDetails != NULL)
9217 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9219 if (resultDetails != NULL) {
9220 gameInfo.result = result;
9221 gameInfo.resultDetails = StrSave(resultDetails);
9223 /* display last move only if game was not loaded from file */
9224 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9225 DisplayMove(currentMove - 1);
9227 if (forwardMostMove != 0) {
9228 if (gameMode != PlayFromGameFile && gameMode != EditGame
9229 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9231 if (*appData.saveGameFile != NULLCHAR) {
9232 SaveGameToFile(appData.saveGameFile, TRUE);
9233 } else if (appData.autoSaveGames) {
9236 if (*appData.savePositionFile != NULLCHAR) {
9237 SavePositionToFile(appData.savePositionFile);
9242 /* Tell program how game ended in case it is learning */
9243 /* [HGM] Moved this to after saving the PGN, just in case */
9244 /* engine died and we got here through time loss. In that */
9245 /* case we will get a fatal error writing the pipe, which */
9246 /* would otherwise lose us the PGN. */
9247 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9248 /* output during GameEnds should never be fatal anymore */
9249 if (gameMode == MachinePlaysWhite ||
9250 gameMode == MachinePlaysBlack ||
9251 gameMode == TwoMachinesPlay ||
9252 gameMode == IcsPlayingWhite ||
9253 gameMode == IcsPlayingBlack ||
9254 gameMode == BeginningOfGame) {
9256 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
9258 if (first.pr != NoProc) {
9259 SendToProgram(buf, &first);
9261 if (second.pr != NoProc &&
9262 gameMode == TwoMachinesPlay) {
9263 SendToProgram(buf, &second);
9268 if (appData.icsActive) {
9269 if (appData.quietPlay &&
9270 (gameMode == IcsPlayingWhite ||
9271 gameMode == IcsPlayingBlack)) {
9272 SendToICS(ics_prefix);
9273 SendToICS("set shout 1\n");
9275 nextGameMode = IcsIdle;
9276 ics_user_moved = FALSE;
9277 /* clean up premove. It's ugly when the game has ended and the
9278 * premove highlights are still on the board.
9282 ClearPremoveHighlights();
9283 DrawPosition(FALSE, boards[currentMove]);
9285 if (whosays == GE_ICS) {
9288 if (gameMode == IcsPlayingWhite)
9290 else if(gameMode == IcsPlayingBlack)
9294 if (gameMode == IcsPlayingBlack)
9296 else if(gameMode == IcsPlayingWhite)
9303 PlayIcsUnfinishedSound();
9306 } else if (gameMode == EditGame ||
9307 gameMode == PlayFromGameFile ||
9308 gameMode == AnalyzeMode ||
9309 gameMode == AnalyzeFile) {
9310 nextGameMode = gameMode;
9312 nextGameMode = EndOfGame;
9317 nextGameMode = gameMode;
9320 if (appData.noChessProgram) {
9321 gameMode = nextGameMode;
9323 endingGame = 0; /* [HGM] crash */
9328 /* Put first chess program into idle state */
9329 if (first.pr != NoProc &&
9330 (gameMode == MachinePlaysWhite ||
9331 gameMode == MachinePlaysBlack ||
9332 gameMode == TwoMachinesPlay ||
9333 gameMode == IcsPlayingWhite ||
9334 gameMode == IcsPlayingBlack ||
9335 gameMode == BeginningOfGame)) {
9336 SendToProgram("force\n", &first);
9337 if (first.usePing) {
9339 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
9340 SendToProgram(buf, &first);
9343 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9344 /* Kill off first chess program */
9345 if (first.isr != NULL)
9346 RemoveInputSource(first.isr);
9349 if (first.pr != NoProc) {
9351 DoSleep( appData.delayBeforeQuit );
9352 SendToProgram("quit\n", &first);
9353 DoSleep( appData.delayAfterQuit );
9354 DestroyChildProcess(first.pr, first.useSigterm);
9359 /* Put second chess program into idle state */
9360 if (second.pr != NoProc &&
9361 gameMode == TwoMachinesPlay) {
9362 SendToProgram("force\n", &second);
9363 if (second.usePing) {
9365 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
9366 SendToProgram(buf, &second);
9369 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9370 /* Kill off second chess program */
9371 if (second.isr != NULL)
9372 RemoveInputSource(second.isr);
9375 if (second.pr != NoProc) {
9376 DoSleep( appData.delayBeforeQuit );
9377 SendToProgram("quit\n", &second);
9378 DoSleep( appData.delayAfterQuit );
9379 DestroyChildProcess(second.pr, second.useSigterm);
9384 if (matchMode && gameMode == TwoMachinesPlay) {
9387 if (first.twoMachinesColor[0] == 'w') {
9394 if (first.twoMachinesColor[0] == 'b') {
9403 if (matchGame < appData.matchGames) {
9405 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9406 tmp = first.twoMachinesColor;
9407 first.twoMachinesColor = second.twoMachinesColor;
9408 second.twoMachinesColor = tmp;
9410 gameMode = nextGameMode;
9412 if(appData.matchPause>10000 || appData.matchPause<10)
9413 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9414 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9415 endingGame = 0; /* [HGM] crash */
9418 gameMode = nextGameMode;
9419 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
9420 first.tidy, second.tidy,
9421 first.matchWins, second.matchWins,
9422 appData.matchGames - (first.matchWins + second.matchWins));
9423 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
9426 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9427 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9429 gameMode = nextGameMode;
9431 endingGame = 0; /* [HGM] crash */
9432 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
9433 if(matchMode == TRUE) DisplayFatalError(buf, 0, 0); else {
9434 matchMode = FALSE; appData.matchGames = matchGame = 0;
9440 /* Assumes program was just initialized (initString sent).
9441 Leaves program in force mode. */
9443 FeedMovesToProgram(cps, upto)
9444 ChessProgramState *cps;
9449 if (appData.debugMode)
9450 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9451 startedFromSetupPosition ? "position and " : "",
9452 backwardMostMove, upto, cps->which);
9453 if(currentlyInitializedVariant != gameInfo.variant) {
9455 // [HGM] variantswitch: make engine aware of new variant
9456 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9457 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9458 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
9459 SendToProgram(buf, cps);
9460 currentlyInitializedVariant = gameInfo.variant;
9462 SendToProgram("force\n", cps);
9463 if (startedFromSetupPosition) {
9464 SendBoard(cps, backwardMostMove);
9465 if (appData.debugMode) {
9466 fprintf(debugFP, "feedMoves\n");
9469 for (i = backwardMostMove; i < upto; i++) {
9470 SendMoveToProgram(i, cps);
9476 ResurrectChessProgram()
9478 /* The chess program may have exited.
9479 If so, restart it and feed it all the moves made so far. */
9481 if (appData.noChessProgram || first.pr != NoProc) return;
9483 StartChessProgram(&first);
9484 InitChessProgram(&first, FALSE);
9485 FeedMovesToProgram(&first, currentMove);
9487 if (!first.sendTime) {
9488 /* can't tell gnuchess what its clock should read,
9489 so we bow to its notion. */
9491 timeRemaining[0][currentMove] = whiteTimeRemaining;
9492 timeRemaining[1][currentMove] = blackTimeRemaining;
9495 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9496 appData.icsEngineAnalyze) && first.analysisSupport) {
9497 SendToProgram("analyze\n", &first);
9498 first.analyzing = TRUE;
9511 if (appData.debugMode) {
9512 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9513 redraw, init, gameMode);
9515 CleanupTail(); // [HGM] vari: delete any stored variations
9516 pausing = pauseExamInvalid = FALSE;
9517 startedFromSetupPosition = blackPlaysFirst = FALSE;
9519 whiteFlag = blackFlag = FALSE;
9520 userOfferedDraw = FALSE;
9521 hintRequested = bookRequested = FALSE;
9522 first.maybeThinking = FALSE;
9523 second.maybeThinking = FALSE;
9524 first.bookSuspend = FALSE; // [HGM] book
9525 second.bookSuspend = FALSE;
9526 thinkOutput[0] = NULLCHAR;
9527 lastHint[0] = NULLCHAR;
9528 ClearGameInfo(&gameInfo);
9529 gameInfo.variant = StringToVariant(appData.variant);
9530 ics_user_moved = ics_clock_paused = FALSE;
9531 ics_getting_history = H_FALSE;
9533 white_holding[0] = black_holding[0] = NULLCHAR;
9534 ClearProgramStats();
9535 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9539 flipView = appData.flipView;
9540 ClearPremoveHighlights();
9542 alarmSounded = FALSE;
9544 GameEnds(EndOfFile, NULL, GE_PLAYER);
9545 if(appData.serverMovesName != NULL) {
9546 /* [HGM] prepare to make moves file for broadcasting */
9547 clock_t t = clock();
9548 if(serverMoves != NULL) fclose(serverMoves);
9549 serverMoves = fopen(appData.serverMovesName, "r");
9550 if(serverMoves != NULL) {
9551 fclose(serverMoves);
9552 /* delay 15 sec before overwriting, so all clients can see end */
9553 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9555 serverMoves = fopen(appData.serverMovesName, "w");
9559 gameMode = BeginningOfGame;
9561 if(appData.icsActive) gameInfo.variant = VariantNormal;
9562 currentMove = forwardMostMove = backwardMostMove = 0;
9563 InitPosition(redraw);
9564 for (i = 0; i < MAX_MOVES; i++) {
9565 if (commentList[i] != NULL) {
9566 free(commentList[i]);
9567 commentList[i] = NULL;
9571 timeRemaining[0][0] = whiteTimeRemaining;
9572 timeRemaining[1][0] = blackTimeRemaining;
9573 if (first.pr == NULL) {
9574 StartChessProgram(&first);
9577 InitChessProgram(&first, startedFromSetupPosition);
9580 DisplayMessage("", "");
9581 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9582 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9589 if (!AutoPlayOneMove())
9591 if (matchMode || appData.timeDelay == 0)
9593 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9595 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9604 int fromX, fromY, toX, toY;
9606 if (appData.debugMode) {
9607 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9610 if (gameMode != PlayFromGameFile)
9613 if (currentMove >= forwardMostMove) {
9614 gameMode = EditGame;
9617 /* [AS] Clear current move marker at the end of a game */
9618 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9623 toX = moveList[currentMove][2] - AAA;
9624 toY = moveList[currentMove][3] - ONE;
9626 if (moveList[currentMove][1] == '@') {
9627 if (appData.highlightLastMove) {
9628 SetHighlights(-1, -1, toX, toY);
9631 fromX = moveList[currentMove][0] - AAA;
9632 fromY = moveList[currentMove][1] - ONE;
9634 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9636 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9638 if (appData.highlightLastMove) {
9639 SetHighlights(fromX, fromY, toX, toY);
9642 DisplayMove(currentMove);
9643 SendMoveToProgram(currentMove++, &first);
9644 DisplayBothClocks();
9645 DrawPosition(FALSE, boards[currentMove]);
9646 // [HGM] PV info: always display, routine tests if empty
9647 DisplayComment(currentMove - 1, commentList[currentMove]);
9653 LoadGameOneMove(readAhead)
9654 ChessMove readAhead;
9656 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9657 char promoChar = NULLCHAR;
9662 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9663 gameMode != AnalyzeMode && gameMode != Training) {
9668 yyboardindex = forwardMostMove;
9669 if (readAhead != EndOfFile) {
9670 moveType = readAhead;
9672 if (gameFileFP == NULL)
9674 moveType = (ChessMove) Myylex();
9680 if (appData.debugMode)
9681 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9684 /* append the comment but don't display it */
9685 AppendComment(currentMove, p, FALSE);
9688 case WhiteCapturesEnPassant:
9689 case BlackCapturesEnPassant:
9690 case WhitePromotion:
9691 case BlackPromotion:
9692 case WhiteNonPromotion:
9693 case BlackNonPromotion:
9695 case WhiteKingSideCastle:
9696 case WhiteQueenSideCastle:
9697 case BlackKingSideCastle:
9698 case BlackQueenSideCastle:
9699 case WhiteKingSideCastleWild:
9700 case WhiteQueenSideCastleWild:
9701 case BlackKingSideCastleWild:
9702 case BlackQueenSideCastleWild:
9704 case WhiteHSideCastleFR:
9705 case WhiteASideCastleFR:
9706 case BlackHSideCastleFR:
9707 case BlackASideCastleFR:
9709 if (appData.debugMode)
9710 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9711 fromX = currentMoveString[0] - AAA;
9712 fromY = currentMoveString[1] - ONE;
9713 toX = currentMoveString[2] - AAA;
9714 toY = currentMoveString[3] - ONE;
9715 promoChar = currentMoveString[4];
9720 if (appData.debugMode)
9721 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9722 fromX = moveType == WhiteDrop ?
9723 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9724 (int) CharToPiece(ToLower(currentMoveString[0]));
9726 toX = currentMoveString[2] - AAA;
9727 toY = currentMoveString[3] - ONE;
9733 case GameUnfinished:
9734 if (appData.debugMode)
9735 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9736 p = strchr(yy_text, '{');
9737 if (p == NULL) p = strchr(yy_text, '(');
9740 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9742 q = strchr(p, *p == '{' ? '}' : ')');
9743 if (q != NULL) *q = NULLCHAR;
9746 GameEnds(moveType, p, GE_FILE);
9748 if (cmailMsgLoaded) {
9750 flipView = WhiteOnMove(currentMove);
9751 if (moveType == GameUnfinished) flipView = !flipView;
9752 if (appData.debugMode)
9753 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9758 if (appData.debugMode)
9759 fprintf(debugFP, "Parser hit end of file\n");
9760 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9766 if (WhiteOnMove(currentMove)) {
9767 GameEnds(BlackWins, "Black mates", GE_FILE);
9769 GameEnds(WhiteWins, "White mates", GE_FILE);
9773 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9780 if (lastLoadGameStart == GNUChessGame) {
9781 /* GNUChessGames have numbers, but they aren't move numbers */
9782 if (appData.debugMode)
9783 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9784 yy_text, (int) moveType);
9785 return LoadGameOneMove(EndOfFile); /* tail recursion */
9787 /* else fall thru */
9792 /* Reached start of next game in file */
9793 if (appData.debugMode)
9794 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9795 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9801 if (WhiteOnMove(currentMove)) {
9802 GameEnds(BlackWins, "Black mates", GE_FILE);
9804 GameEnds(WhiteWins, "White mates", GE_FILE);
9808 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9814 case PositionDiagram: /* should not happen; ignore */
9815 case ElapsedTime: /* ignore */
9816 case NAG: /* ignore */
9817 if (appData.debugMode)
9818 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9819 yy_text, (int) moveType);
9820 return LoadGameOneMove(EndOfFile); /* tail recursion */
9823 if (appData.testLegality) {
9824 if (appData.debugMode)
9825 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9826 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9827 (forwardMostMove / 2) + 1,
9828 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9829 DisplayError(move, 0);
9832 if (appData.debugMode)
9833 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9834 yy_text, currentMoveString);
9835 fromX = currentMoveString[0] - AAA;
9836 fromY = currentMoveString[1] - ONE;
9837 toX = currentMoveString[2] - AAA;
9838 toY = currentMoveString[3] - ONE;
9839 promoChar = currentMoveString[4];
9844 if (appData.debugMode)
9845 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9846 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
9847 (forwardMostMove / 2) + 1,
9848 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9849 DisplayError(move, 0);
9854 case ImpossibleMove:
9855 if (appData.debugMode)
9856 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9857 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9858 (forwardMostMove / 2) + 1,
9859 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9860 DisplayError(move, 0);
9866 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9867 DrawPosition(FALSE, boards[currentMove]);
9868 DisplayBothClocks();
9869 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9870 DisplayComment(currentMove - 1, commentList[currentMove]);
9872 (void) StopLoadGameTimer();
9874 cmailOldMove = forwardMostMove;
9877 /* currentMoveString is set as a side-effect of yylex */
9878 strcat(currentMoveString, "\n");
9879 safeStrCpy(moveList[forwardMostMove], currentMoveString, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
9881 thinkOutput[0] = NULLCHAR;
9882 MakeMove(fromX, fromY, toX, toY, promoChar);
9883 currentMove = forwardMostMove;
9888 /* Load the nth game from the given file */
9890 LoadGameFromFile(filename, n, title, useList)
9894 /*Boolean*/ int useList;
9899 if (strcmp(filename, "-") == 0) {
9903 f = fopen(filename, "rb");
9905 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9906 DisplayError(buf, errno);
9910 if (fseek(f, 0, 0) == -1) {
9911 /* f is not seekable; probably a pipe */
9914 if (useList && n == 0) {
9915 int error = GameListBuild(f);
9917 DisplayError(_("Cannot build game list"), error);
9918 } else if (!ListEmpty(&gameList) &&
9919 ((ListGame *) gameList.tailPred)->number > 1) {
9920 GameListPopUp(f, title);
9927 return LoadGame(f, n, title, FALSE);
9932 MakeRegisteredMove()
9934 int fromX, fromY, toX, toY;
9936 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9937 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9940 if (appData.debugMode)
9941 fprintf(debugFP, "Restoring %s for game %d\n",
9942 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9944 thinkOutput[0] = NULLCHAR;
9945 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
9946 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9947 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9948 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9949 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9950 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9951 MakeMove(fromX, fromY, toX, toY, promoChar);
9952 ShowMove(fromX, fromY, toX, toY);
9954 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9961 if (WhiteOnMove(currentMove)) {
9962 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9964 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9969 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9976 if (WhiteOnMove(currentMove)) {
9977 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9979 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9984 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9995 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9997 CmailLoadGame(f, gameNumber, title, useList)
10005 if (gameNumber > nCmailGames) {
10006 DisplayError(_("No more games in this message"), 0);
10009 if (f == lastLoadGameFP) {
10010 int offset = gameNumber - lastLoadGameNumber;
10012 cmailMsg[0] = NULLCHAR;
10013 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10014 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10015 nCmailMovesRegistered--;
10017 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10018 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10019 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10022 if (! RegisterMove()) return FALSE;
10026 retVal = LoadGame(f, gameNumber, title, useList);
10028 /* Make move registered during previous look at this game, if any */
10029 MakeRegisteredMove();
10031 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10032 commentList[currentMove]
10033 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10034 DisplayComment(currentMove - 1, commentList[currentMove]);
10040 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10045 int gameNumber = lastLoadGameNumber + offset;
10046 if (lastLoadGameFP == NULL) {
10047 DisplayError(_("No game has been loaded yet"), 0);
10050 if (gameNumber <= 0) {
10051 DisplayError(_("Can't back up any further"), 0);
10054 if (cmailMsgLoaded) {
10055 return CmailLoadGame(lastLoadGameFP, gameNumber,
10056 lastLoadGameTitle, lastLoadGameUseList);
10058 return LoadGame(lastLoadGameFP, gameNumber,
10059 lastLoadGameTitle, lastLoadGameUseList);
10065 /* Load the nth game from open file f */
10067 LoadGame(f, gameNumber, title, useList)
10075 int gn = gameNumber;
10076 ListGame *lg = NULL;
10077 int numPGNTags = 0;
10079 GameMode oldGameMode;
10080 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10082 if (appData.debugMode)
10083 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10085 if (gameMode == Training )
10086 SetTrainingModeOff();
10088 oldGameMode = gameMode;
10089 if (gameMode != BeginningOfGame) {
10090 Reset(FALSE, TRUE);
10094 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10095 fclose(lastLoadGameFP);
10099 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10102 fseek(f, lg->offset, 0);
10103 GameListHighlight(gameNumber);
10107 DisplayError(_("Game number out of range"), 0);
10112 if (fseek(f, 0, 0) == -1) {
10113 if (f == lastLoadGameFP ?
10114 gameNumber == lastLoadGameNumber + 1 :
10118 DisplayError(_("Can't seek on game file"), 0);
10123 lastLoadGameFP = f;
10124 lastLoadGameNumber = gameNumber;
10125 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10126 lastLoadGameUseList = useList;
10130 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10131 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10132 lg->gameInfo.black);
10134 } else if (*title != NULLCHAR) {
10135 if (gameNumber > 1) {
10136 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
10139 DisplayTitle(title);
10143 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10144 gameMode = PlayFromGameFile;
10148 currentMove = forwardMostMove = backwardMostMove = 0;
10149 CopyBoard(boards[0], initialPosition);
10153 * Skip the first gn-1 games in the file.
10154 * Also skip over anything that precedes an identifiable
10155 * start of game marker, to avoid being confused by
10156 * garbage at the start of the file. Currently
10157 * recognized start of game markers are the move number "1",
10158 * the pattern "gnuchess .* game", the pattern
10159 * "^[#;%] [^ ]* game file", and a PGN tag block.
10160 * A game that starts with one of the latter two patterns
10161 * will also have a move number 1, possibly
10162 * following a position diagram.
10163 * 5-4-02: Let's try being more lenient and allowing a game to
10164 * start with an unnumbered move. Does that break anything?
10166 cm = lastLoadGameStart = EndOfFile;
10168 yyboardindex = forwardMostMove;
10169 cm = (ChessMove) Myylex();
10172 if (cmailMsgLoaded) {
10173 nCmailGames = CMAIL_MAX_GAMES - gn;
10176 DisplayError(_("Game not found in file"), 0);
10183 lastLoadGameStart = cm;
10186 case MoveNumberOne:
10187 switch (lastLoadGameStart) {
10192 case MoveNumberOne:
10194 gn--; /* count this game */
10195 lastLoadGameStart = cm;
10204 switch (lastLoadGameStart) {
10207 case MoveNumberOne:
10209 gn--; /* count this game */
10210 lastLoadGameStart = cm;
10213 lastLoadGameStart = cm; /* game counted already */
10221 yyboardindex = forwardMostMove;
10222 cm = (ChessMove) Myylex();
10223 } while (cm == PGNTag || cm == Comment);
10230 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10231 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10232 != CMAIL_OLD_RESULT) {
10234 cmailResult[ CMAIL_MAX_GAMES
10235 - gn - 1] = CMAIL_OLD_RESULT;
10241 /* Only a NormalMove can be at the start of a game
10242 * without a position diagram. */
10243 if (lastLoadGameStart == EndOfFile ) {
10245 lastLoadGameStart = MoveNumberOne;
10254 if (appData.debugMode)
10255 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10257 if (cm == XBoardGame) {
10258 /* Skip any header junk before position diagram and/or move 1 */
10260 yyboardindex = forwardMostMove;
10261 cm = (ChessMove) Myylex();
10263 if (cm == EndOfFile ||
10264 cm == GNUChessGame || cm == XBoardGame) {
10265 /* Empty game; pretend end-of-file and handle later */
10270 if (cm == MoveNumberOne || cm == PositionDiagram ||
10271 cm == PGNTag || cm == Comment)
10274 } else if (cm == GNUChessGame) {
10275 if (gameInfo.event != NULL) {
10276 free(gameInfo.event);
10278 gameInfo.event = StrSave(yy_text);
10281 startedFromSetupPosition = FALSE;
10282 while (cm == PGNTag) {
10283 if (appData.debugMode)
10284 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10285 err = ParsePGNTag(yy_text, &gameInfo);
10286 if (!err) numPGNTags++;
10288 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10289 if(gameInfo.variant != oldVariant) {
10290 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10291 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10292 InitPosition(TRUE);
10293 oldVariant = gameInfo.variant;
10294 if (appData.debugMode)
10295 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10299 if (gameInfo.fen != NULL) {
10300 Board initial_position;
10301 startedFromSetupPosition = TRUE;
10302 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10304 DisplayError(_("Bad FEN position in file"), 0);
10307 CopyBoard(boards[0], initial_position);
10308 if (blackPlaysFirst) {
10309 currentMove = forwardMostMove = backwardMostMove = 1;
10310 CopyBoard(boards[1], initial_position);
10311 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10312 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10313 timeRemaining[0][1] = whiteTimeRemaining;
10314 timeRemaining[1][1] = blackTimeRemaining;
10315 if (commentList[0] != NULL) {
10316 commentList[1] = commentList[0];
10317 commentList[0] = NULL;
10320 currentMove = forwardMostMove = backwardMostMove = 0;
10322 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10324 initialRulePlies = FENrulePlies;
10325 for( i=0; i< nrCastlingRights; i++ )
10326 initialRights[i] = initial_position[CASTLING][i];
10328 yyboardindex = forwardMostMove;
10329 free(gameInfo.fen);
10330 gameInfo.fen = NULL;
10333 yyboardindex = forwardMostMove;
10334 cm = (ChessMove) Myylex();
10336 /* Handle comments interspersed among the tags */
10337 while (cm == Comment) {
10339 if (appData.debugMode)
10340 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10342 AppendComment(currentMove, p, FALSE);
10343 yyboardindex = forwardMostMove;
10344 cm = (ChessMove) Myylex();
10348 /* don't rely on existence of Event tag since if game was
10349 * pasted from clipboard the Event tag may not exist
10351 if (numPGNTags > 0){
10353 if (gameInfo.variant == VariantNormal) {
10354 VariantClass v = StringToVariant(gameInfo.event);
10355 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10356 if(v < VariantShogi) gameInfo.variant = v;
10359 if( appData.autoDisplayTags ) {
10360 tags = PGNTags(&gameInfo);
10361 TagsPopUp(tags, CmailMsg());
10366 /* Make something up, but don't display it now */
10371 if (cm == PositionDiagram) {
10374 Board initial_position;
10376 if (appData.debugMode)
10377 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10379 if (!startedFromSetupPosition) {
10381 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10382 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10392 initial_position[i][j++] = CharToPiece(*p);
10395 while (*p == ' ' || *p == '\t' ||
10396 *p == '\n' || *p == '\r') p++;
10398 if (strncmp(p, "black", strlen("black"))==0)
10399 blackPlaysFirst = TRUE;
10401 blackPlaysFirst = FALSE;
10402 startedFromSetupPosition = TRUE;
10404 CopyBoard(boards[0], initial_position);
10405 if (blackPlaysFirst) {
10406 currentMove = forwardMostMove = backwardMostMove = 1;
10407 CopyBoard(boards[1], initial_position);
10408 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10409 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10410 timeRemaining[0][1] = whiteTimeRemaining;
10411 timeRemaining[1][1] = blackTimeRemaining;
10412 if (commentList[0] != NULL) {
10413 commentList[1] = commentList[0];
10414 commentList[0] = NULL;
10417 currentMove = forwardMostMove = backwardMostMove = 0;
10420 yyboardindex = forwardMostMove;
10421 cm = (ChessMove) Myylex();
10424 if (first.pr == NoProc) {
10425 StartChessProgram(&first);
10427 InitChessProgram(&first, FALSE);
10428 SendToProgram("force\n", &first);
10429 if (startedFromSetupPosition) {
10430 SendBoard(&first, forwardMostMove);
10431 if (appData.debugMode) {
10432 fprintf(debugFP, "Load Game\n");
10434 DisplayBothClocks();
10437 /* [HGM] server: flag to write setup moves in broadcast file as one */
10438 loadFlag = appData.suppressLoadMoves;
10440 while (cm == Comment) {
10442 if (appData.debugMode)
10443 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10445 AppendComment(currentMove, p, FALSE);
10446 yyboardindex = forwardMostMove;
10447 cm = (ChessMove) Myylex();
10450 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
10451 cm == WhiteWins || cm == BlackWins ||
10452 cm == GameIsDrawn || cm == GameUnfinished) {
10453 DisplayMessage("", _("No moves in game"));
10454 if (cmailMsgLoaded) {
10455 if (appData.debugMode)
10456 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10460 DrawPosition(FALSE, boards[currentMove]);
10461 DisplayBothClocks();
10462 gameMode = EditGame;
10469 // [HGM] PV info: routine tests if comment empty
10470 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10471 DisplayComment(currentMove - 1, commentList[currentMove]);
10473 if (!matchMode && appData.timeDelay != 0)
10474 DrawPosition(FALSE, boards[currentMove]);
10476 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10477 programStats.ok_to_send = 1;
10480 /* if the first token after the PGN tags is a move
10481 * and not move number 1, retrieve it from the parser
10483 if (cm != MoveNumberOne)
10484 LoadGameOneMove(cm);
10486 /* load the remaining moves from the file */
10487 while (LoadGameOneMove(EndOfFile)) {
10488 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10489 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10492 /* rewind to the start of the game */
10493 currentMove = backwardMostMove;
10495 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10497 if (oldGameMode == AnalyzeFile ||
10498 oldGameMode == AnalyzeMode) {
10499 AnalyzeFileEvent();
10502 if (matchMode || appData.timeDelay == 0) {
10504 gameMode = EditGame;
10506 } else if (appData.timeDelay > 0) {
10507 AutoPlayGameLoop();
10510 if (appData.debugMode)
10511 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10513 loadFlag = 0; /* [HGM] true game starts */
10517 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10519 ReloadPosition(offset)
10522 int positionNumber = lastLoadPositionNumber + offset;
10523 if (lastLoadPositionFP == NULL) {
10524 DisplayError(_("No position has been loaded yet"), 0);
10527 if (positionNumber <= 0) {
10528 DisplayError(_("Can't back up any further"), 0);
10531 return LoadPosition(lastLoadPositionFP, positionNumber,
10532 lastLoadPositionTitle);
10535 /* Load the nth position from the given file */
10537 LoadPositionFromFile(filename, n, title)
10545 if (strcmp(filename, "-") == 0) {
10546 return LoadPosition(stdin, n, "stdin");
10548 f = fopen(filename, "rb");
10550 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10551 DisplayError(buf, errno);
10554 return LoadPosition(f, n, title);
10559 /* Load the nth position from the given open file, and close it */
10561 LoadPosition(f, positionNumber, title)
10563 int positionNumber;
10566 char *p, line[MSG_SIZ];
10567 Board initial_position;
10568 int i, j, fenMode, pn;
10570 if (gameMode == Training )
10571 SetTrainingModeOff();
10573 if (gameMode != BeginningOfGame) {
10574 Reset(FALSE, TRUE);
10576 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10577 fclose(lastLoadPositionFP);
10579 if (positionNumber == 0) positionNumber = 1;
10580 lastLoadPositionFP = f;
10581 lastLoadPositionNumber = positionNumber;
10582 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
10583 if (first.pr == NoProc) {
10584 StartChessProgram(&first);
10585 InitChessProgram(&first, FALSE);
10587 pn = positionNumber;
10588 if (positionNumber < 0) {
10589 /* Negative position number means to seek to that byte offset */
10590 if (fseek(f, -positionNumber, 0) == -1) {
10591 DisplayError(_("Can't seek on position file"), 0);
10596 if (fseek(f, 0, 0) == -1) {
10597 if (f == lastLoadPositionFP ?
10598 positionNumber == lastLoadPositionNumber + 1 :
10599 positionNumber == 1) {
10602 DisplayError(_("Can't seek on position file"), 0);
10607 /* See if this file is FEN or old-style xboard */
10608 if (fgets(line, MSG_SIZ, f) == NULL) {
10609 DisplayError(_("Position not found in file"), 0);
10612 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10613 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10616 if (fenMode || line[0] == '#') pn--;
10618 /* skip positions before number pn */
10619 if (fgets(line, MSG_SIZ, f) == NULL) {
10621 DisplayError(_("Position not found in file"), 0);
10624 if (fenMode || line[0] == '#') pn--;
10629 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10630 DisplayError(_("Bad FEN position in file"), 0);
10634 (void) fgets(line, MSG_SIZ, f);
10635 (void) fgets(line, MSG_SIZ, f);
10637 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10638 (void) fgets(line, MSG_SIZ, f);
10639 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10642 initial_position[i][j++] = CharToPiece(*p);
10646 blackPlaysFirst = FALSE;
10648 (void) fgets(line, MSG_SIZ, f);
10649 if (strncmp(line, "black", strlen("black"))==0)
10650 blackPlaysFirst = TRUE;
10653 startedFromSetupPosition = TRUE;
10655 SendToProgram("force\n", &first);
10656 CopyBoard(boards[0], initial_position);
10657 if (blackPlaysFirst) {
10658 currentMove = forwardMostMove = backwardMostMove = 1;
10659 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10660 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10661 CopyBoard(boards[1], initial_position);
10662 DisplayMessage("", _("Black to play"));
10664 currentMove = forwardMostMove = backwardMostMove = 0;
10665 DisplayMessage("", _("White to play"));
10667 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10668 SendBoard(&first, forwardMostMove);
10669 if (appData.debugMode) {
10671 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10672 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10673 fprintf(debugFP, "Load Position\n");
10676 if (positionNumber > 1) {
10677 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
10678 DisplayTitle(line);
10680 DisplayTitle(title);
10682 gameMode = EditGame;
10685 timeRemaining[0][1] = whiteTimeRemaining;
10686 timeRemaining[1][1] = blackTimeRemaining;
10687 DrawPosition(FALSE, boards[currentMove]);
10694 CopyPlayerNameIntoFileName(dest, src)
10697 while (*src != NULLCHAR && *src != ',') {
10702 *(*dest)++ = *src++;
10707 char *DefaultFileName(ext)
10710 static char def[MSG_SIZ];
10713 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10715 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10717 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10719 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
10726 /* Save the current game to the given file */
10728 SaveGameToFile(filename, append)
10735 if (strcmp(filename, "-") == 0) {
10736 return SaveGame(stdout, 0, NULL);
10738 f = fopen(filename, append ? "a" : "w");
10740 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10741 DisplayError(buf, errno);
10744 return SaveGame(f, 0, NULL);
10753 static char buf[MSG_SIZ];
10756 p = strchr(str, ' ');
10757 if (p == NULL) return str;
10758 strncpy(buf, str, p - str);
10759 buf[p - str] = NULLCHAR;
10763 #define PGN_MAX_LINE 75
10765 #define PGN_SIDE_WHITE 0
10766 #define PGN_SIDE_BLACK 1
10769 static int FindFirstMoveOutOfBook( int side )
10773 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10774 int index = backwardMostMove;
10775 int has_book_hit = 0;
10777 if( (index % 2) != side ) {
10781 while( index < forwardMostMove ) {
10782 /* Check to see if engine is in book */
10783 int depth = pvInfoList[index].depth;
10784 int score = pvInfoList[index].score;
10790 else if( score == 0 && depth == 63 ) {
10791 in_book = 1; /* Zappa */
10793 else if( score == 2 && depth == 99 ) {
10794 in_book = 1; /* Abrok */
10797 has_book_hit += in_book;
10813 void GetOutOfBookInfo( char * buf )
10817 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10819 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10820 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10824 if( oob[0] >= 0 || oob[1] >= 0 ) {
10825 for( i=0; i<2; i++ ) {
10829 if( i > 0 && oob[0] >= 0 ) {
10830 strcat( buf, " " );
10833 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10834 sprintf( buf+strlen(buf), "%s%.2f",
10835 pvInfoList[idx].score >= 0 ? "+" : "",
10836 pvInfoList[idx].score / 100.0 );
10842 /* Save game in PGN style and close the file */
10847 int i, offset, linelen, newblock;
10851 int movelen, numlen, blank;
10852 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10854 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10856 tm = time((time_t *) NULL);
10858 PrintPGNTags(f, &gameInfo);
10860 if (backwardMostMove > 0 || startedFromSetupPosition) {
10861 char *fen = PositionToFEN(backwardMostMove, NULL);
10862 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10863 fprintf(f, "\n{--------------\n");
10864 PrintPosition(f, backwardMostMove);
10865 fprintf(f, "--------------}\n");
10869 /* [AS] Out of book annotation */
10870 if( appData.saveOutOfBookInfo ) {
10873 GetOutOfBookInfo( buf );
10875 if( buf[0] != '\0' ) {
10876 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10883 i = backwardMostMove;
10887 while (i < forwardMostMove) {
10888 /* Print comments preceding this move */
10889 if (commentList[i] != NULL) {
10890 if (linelen > 0) fprintf(f, "\n");
10891 fprintf(f, "%s", commentList[i]);
10896 /* Format move number */
10898 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
10901 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
10903 numtext[0] = NULLCHAR;
10905 numlen = strlen(numtext);
10908 /* Print move number */
10909 blank = linelen > 0 && numlen > 0;
10910 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10919 fprintf(f, "%s", numtext);
10923 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
10924 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10927 blank = linelen > 0 && movelen > 0;
10928 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10937 fprintf(f, "%s", move_buffer);
10938 linelen += movelen;
10940 /* [AS] Add PV info if present */
10941 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10942 /* [HGM] add time */
10943 char buf[MSG_SIZ]; int seconds;
10945 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10951 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
10954 seconds = (seconds + 4)/10; // round to full seconds
10956 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
10958 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
10961 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
10962 pvInfoList[i].score >= 0 ? "+" : "",
10963 pvInfoList[i].score / 100.0,
10964 pvInfoList[i].depth,
10967 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10969 /* Print score/depth */
10970 blank = linelen > 0 && movelen > 0;
10971 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10980 fprintf(f, "%s", move_buffer);
10981 linelen += movelen;
10987 /* Start a new line */
10988 if (linelen > 0) fprintf(f, "\n");
10990 /* Print comments after last move */
10991 if (commentList[i] != NULL) {
10992 fprintf(f, "%s\n", commentList[i]);
10996 if (gameInfo.resultDetails != NULL &&
10997 gameInfo.resultDetails[0] != NULLCHAR) {
10998 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10999 PGNResult(gameInfo.result));
11001 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11005 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11009 /* Save game in old style and close the file */
11011 SaveGameOldStyle(f)
11017 tm = time((time_t *) NULL);
11019 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11022 if (backwardMostMove > 0 || startedFromSetupPosition) {
11023 fprintf(f, "\n[--------------\n");
11024 PrintPosition(f, backwardMostMove);
11025 fprintf(f, "--------------]\n");
11030 i = backwardMostMove;
11031 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11033 while (i < forwardMostMove) {
11034 if (commentList[i] != NULL) {
11035 fprintf(f, "[%s]\n", commentList[i]);
11038 if ((i % 2) == 1) {
11039 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11042 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11044 if (commentList[i] != NULL) {
11048 if (i >= forwardMostMove) {
11052 fprintf(f, "%s\n", parseList[i]);
11057 if (commentList[i] != NULL) {
11058 fprintf(f, "[%s]\n", commentList[i]);
11061 /* This isn't really the old style, but it's close enough */
11062 if (gameInfo.resultDetails != NULL &&
11063 gameInfo.resultDetails[0] != NULLCHAR) {
11064 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11065 gameInfo.resultDetails);
11067 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11074 /* Save the current game to open file f and close the file */
11076 SaveGame(f, dummy, dummy2)
11081 if (gameMode == EditPosition) EditPositionDone(TRUE);
11082 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11083 if (appData.oldSaveStyle)
11084 return SaveGameOldStyle(f);
11086 return SaveGamePGN(f);
11089 /* Save the current position to the given file */
11091 SavePositionToFile(filename)
11097 if (strcmp(filename, "-") == 0) {
11098 return SavePosition(stdout, 0, NULL);
11100 f = fopen(filename, "a");
11102 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11103 DisplayError(buf, errno);
11106 SavePosition(f, 0, NULL);
11112 /* Save the current position to the given open file and close the file */
11114 SavePosition(f, dummy, dummy2)
11122 if (gameMode == EditPosition) EditPositionDone(TRUE);
11123 if (appData.oldSaveStyle) {
11124 tm = time((time_t *) NULL);
11126 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11128 fprintf(f, "[--------------\n");
11129 PrintPosition(f, currentMove);
11130 fprintf(f, "--------------]\n");
11132 fen = PositionToFEN(currentMove, NULL);
11133 fprintf(f, "%s\n", fen);
11141 ReloadCmailMsgEvent(unregister)
11145 static char *inFilename = NULL;
11146 static char *outFilename;
11148 struct stat inbuf, outbuf;
11151 /* Any registered moves are unregistered if unregister is set, */
11152 /* i.e. invoked by the signal handler */
11154 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11155 cmailMoveRegistered[i] = FALSE;
11156 if (cmailCommentList[i] != NULL) {
11157 free(cmailCommentList[i]);
11158 cmailCommentList[i] = NULL;
11161 nCmailMovesRegistered = 0;
11164 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11165 cmailResult[i] = CMAIL_NOT_RESULT;
11169 if (inFilename == NULL) {
11170 /* Because the filenames are static they only get malloced once */
11171 /* and they never get freed */
11172 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11173 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11175 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11176 sprintf(outFilename, "%s.out", appData.cmailGameName);
11179 status = stat(outFilename, &outbuf);
11181 cmailMailedMove = FALSE;
11183 status = stat(inFilename, &inbuf);
11184 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11187 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11188 counts the games, notes how each one terminated, etc.
11190 It would be nice to remove this kludge and instead gather all
11191 the information while building the game list. (And to keep it
11192 in the game list nodes instead of having a bunch of fixed-size
11193 parallel arrays.) Note this will require getting each game's
11194 termination from the PGN tags, as the game list builder does
11195 not process the game moves. --mann
11197 cmailMsgLoaded = TRUE;
11198 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11200 /* Load first game in the file or popup game menu */
11201 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11203 #endif /* !WIN32 */
11211 char string[MSG_SIZ];
11213 if ( cmailMailedMove
11214 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11215 return TRUE; /* Allow free viewing */
11218 /* Unregister move to ensure that we don't leave RegisterMove */
11219 /* with the move registered when the conditions for registering no */
11221 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11222 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11223 nCmailMovesRegistered --;
11225 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11227 free(cmailCommentList[lastLoadGameNumber - 1]);
11228 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11232 if (cmailOldMove == -1) {
11233 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11237 if (currentMove > cmailOldMove + 1) {
11238 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11242 if (currentMove < cmailOldMove) {
11243 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11247 if (forwardMostMove > currentMove) {
11248 /* Silently truncate extra moves */
11252 if ( (currentMove == cmailOldMove + 1)
11253 || ( (currentMove == cmailOldMove)
11254 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11255 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11256 if (gameInfo.result != GameUnfinished) {
11257 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11260 if (commentList[currentMove] != NULL) {
11261 cmailCommentList[lastLoadGameNumber - 1]
11262 = StrSave(commentList[currentMove]);
11264 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
11266 if (appData.debugMode)
11267 fprintf(debugFP, "Saving %s for game %d\n",
11268 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11270 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11272 f = fopen(string, "w");
11273 if (appData.oldSaveStyle) {
11274 SaveGameOldStyle(f); /* also closes the file */
11276 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
11277 f = fopen(string, "w");
11278 SavePosition(f, 0, NULL); /* also closes the file */
11280 fprintf(f, "{--------------\n");
11281 PrintPosition(f, currentMove);
11282 fprintf(f, "--------------}\n\n");
11284 SaveGame(f, 0, NULL); /* also closes the file*/
11287 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11288 nCmailMovesRegistered ++;
11289 } else if (nCmailGames == 1) {
11290 DisplayError(_("You have not made a move yet"), 0);
11301 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11302 FILE *commandOutput;
11303 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11304 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11310 if (! cmailMsgLoaded) {
11311 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11315 if (nCmailGames == nCmailResults) {
11316 DisplayError(_("No unfinished games"), 0);
11320 #if CMAIL_PROHIBIT_REMAIL
11321 if (cmailMailedMove) {
11322 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);
11323 DisplayError(msg, 0);
11328 if (! (cmailMailedMove || RegisterMove())) return;
11330 if ( cmailMailedMove
11331 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11332 snprintf(string, MSG_SIZ, partCommandString,
11333 appData.debugMode ? " -v" : "", appData.cmailGameName);
11334 commandOutput = popen(string, "r");
11336 if (commandOutput == NULL) {
11337 DisplayError(_("Failed to invoke cmail"), 0);
11339 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11340 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11342 if (nBuffers > 1) {
11343 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11344 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11345 nBytes = MSG_SIZ - 1;
11347 (void) memcpy(msg, buffer, nBytes);
11349 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11351 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11352 cmailMailedMove = TRUE; /* Prevent >1 moves */
11355 for (i = 0; i < nCmailGames; i ++) {
11356 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11361 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11363 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
11365 appData.cmailGameName,
11367 LoadGameFromFile(buffer, 1, buffer, FALSE);
11368 cmailMsgLoaded = FALSE;
11372 DisplayInformation(msg);
11373 pclose(commandOutput);
11376 if ((*cmailMsg) != '\0') {
11377 DisplayInformation(cmailMsg);
11382 #endif /* !WIN32 */
11391 int prependComma = 0;
11393 char string[MSG_SIZ]; /* Space for game-list */
11396 if (!cmailMsgLoaded) return "";
11398 if (cmailMailedMove) {
11399 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
11401 /* Create a list of games left */
11402 snprintf(string, MSG_SIZ, "[");
11403 for (i = 0; i < nCmailGames; i ++) {
11404 if (! ( cmailMoveRegistered[i]
11405 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11406 if (prependComma) {
11407 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
11409 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
11413 strcat(string, number);
11416 strcat(string, "]");
11418 if (nCmailMovesRegistered + nCmailResults == 0) {
11419 switch (nCmailGames) {
11421 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
11425 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
11429 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
11434 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11436 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
11441 if (nCmailResults == nCmailGames) {
11442 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
11444 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
11449 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
11461 if (gameMode == Training)
11462 SetTrainingModeOff();
11465 cmailMsgLoaded = FALSE;
11466 if (appData.icsActive) {
11467 SendToICS(ics_prefix);
11468 SendToICS("refresh\n");
11478 /* Give up on clean exit */
11482 /* Keep trying for clean exit */
11486 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11488 if (telnetISR != NULL) {
11489 RemoveInputSource(telnetISR);
11491 if (icsPR != NoProc) {
11492 DestroyChildProcess(icsPR, TRUE);
11495 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11496 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11498 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11499 /* make sure this other one finishes before killing it! */
11500 if(endingGame) { int count = 0;
11501 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11502 while(endingGame && count++ < 10) DoSleep(1);
11503 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11506 /* Kill off chess programs */
11507 if (first.pr != NoProc) {
11510 DoSleep( appData.delayBeforeQuit );
11511 SendToProgram("quit\n", &first);
11512 DoSleep( appData.delayAfterQuit );
11513 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11515 if (second.pr != NoProc) {
11516 DoSleep( appData.delayBeforeQuit );
11517 SendToProgram("quit\n", &second);
11518 DoSleep( appData.delayAfterQuit );
11519 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11521 if (first.isr != NULL) {
11522 RemoveInputSource(first.isr);
11524 if (second.isr != NULL) {
11525 RemoveInputSource(second.isr);
11528 ShutDownFrontEnd();
11535 if (appData.debugMode)
11536 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11540 if (gameMode == MachinePlaysWhite ||
11541 gameMode == MachinePlaysBlack) {
11544 DisplayBothClocks();
11546 if (gameMode == PlayFromGameFile) {
11547 if (appData.timeDelay >= 0)
11548 AutoPlayGameLoop();
11549 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11550 Reset(FALSE, TRUE);
11551 SendToICS(ics_prefix);
11552 SendToICS("refresh\n");
11553 } else if (currentMove < forwardMostMove) {
11554 ForwardInner(forwardMostMove);
11556 pauseExamInvalid = FALSE;
11558 switch (gameMode) {
11562 pauseExamForwardMostMove = forwardMostMove;
11563 pauseExamInvalid = FALSE;
11566 case IcsPlayingWhite:
11567 case IcsPlayingBlack:
11571 case PlayFromGameFile:
11572 (void) StopLoadGameTimer();
11576 case BeginningOfGame:
11577 if (appData.icsActive) return;
11578 /* else fall through */
11579 case MachinePlaysWhite:
11580 case MachinePlaysBlack:
11581 case TwoMachinesPlay:
11582 if (forwardMostMove == 0)
11583 return; /* don't pause if no one has moved */
11584 if ((gameMode == MachinePlaysWhite &&
11585 !WhiteOnMove(forwardMostMove)) ||
11586 (gameMode == MachinePlaysBlack &&
11587 WhiteOnMove(forwardMostMove))) {
11600 char title[MSG_SIZ];
11602 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11603 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
11605 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11606 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11607 parseList[currentMove - 1]);
11610 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11617 char *tags = PGNTags(&gameInfo);
11618 EditTagsPopUp(tags);
11625 if (appData.noChessProgram || gameMode == AnalyzeMode)
11628 if (gameMode != AnalyzeFile) {
11629 if (!appData.icsEngineAnalyze) {
11631 if (gameMode != EditGame) return;
11633 ResurrectChessProgram();
11634 SendToProgram("analyze\n", &first);
11635 first.analyzing = TRUE;
11636 /*first.maybeThinking = TRUE;*/
11637 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11638 EngineOutputPopUp();
11640 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11645 StartAnalysisClock();
11646 GetTimeMark(&lastNodeCountTime);
11653 if (appData.noChessProgram || gameMode == AnalyzeFile)
11656 if (gameMode != AnalyzeMode) {
11658 if (gameMode != EditGame) return;
11659 ResurrectChessProgram();
11660 SendToProgram("analyze\n", &first);
11661 first.analyzing = TRUE;
11662 /*first.maybeThinking = TRUE;*/
11663 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11664 EngineOutputPopUp();
11666 gameMode = AnalyzeFile;
11671 StartAnalysisClock();
11672 GetTimeMark(&lastNodeCountTime);
11677 MachineWhiteEvent()
11680 char *bookHit = NULL;
11682 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11686 if (gameMode == PlayFromGameFile ||
11687 gameMode == TwoMachinesPlay ||
11688 gameMode == Training ||
11689 gameMode == AnalyzeMode ||
11690 gameMode == EndOfGame)
11693 if (gameMode == EditPosition)
11694 EditPositionDone(TRUE);
11696 if (!WhiteOnMove(currentMove)) {
11697 DisplayError(_("It is not White's turn"), 0);
11701 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11704 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11705 gameMode == AnalyzeFile)
11708 ResurrectChessProgram(); /* in case it isn't running */
11709 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11710 gameMode = MachinePlaysWhite;
11713 gameMode = MachinePlaysWhite;
11717 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11719 if (first.sendName) {
11720 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
11721 SendToProgram(buf, &first);
11723 if (first.sendTime) {
11724 if (first.useColors) {
11725 SendToProgram("black\n", &first); /*gnu kludge*/
11727 SendTimeRemaining(&first, TRUE);
11729 if (first.useColors) {
11730 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11732 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11733 SetMachineThinkingEnables();
11734 first.maybeThinking = TRUE;
11738 if (appData.autoFlipView && !flipView) {
11739 flipView = !flipView;
11740 DrawPosition(FALSE, NULL);
11741 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11744 if(bookHit) { // [HGM] book: simulate book reply
11745 static char bookMove[MSG_SIZ]; // a bit generous?
11747 programStats.nodes = programStats.depth = programStats.time =
11748 programStats.score = programStats.got_only_move = 0;
11749 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11751 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11752 strcat(bookMove, bookHit);
11753 HandleMachineMove(bookMove, &first);
11758 MachineBlackEvent()
11761 char *bookHit = NULL;
11763 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11767 if (gameMode == PlayFromGameFile ||
11768 gameMode == TwoMachinesPlay ||
11769 gameMode == Training ||
11770 gameMode == AnalyzeMode ||
11771 gameMode == EndOfGame)
11774 if (gameMode == EditPosition)
11775 EditPositionDone(TRUE);
11777 if (WhiteOnMove(currentMove)) {
11778 DisplayError(_("It is not Black's turn"), 0);
11782 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11785 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11786 gameMode == AnalyzeFile)
11789 ResurrectChessProgram(); /* in case it isn't running */
11790 gameMode = MachinePlaysBlack;
11794 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11796 if (first.sendName) {
11797 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
11798 SendToProgram(buf, &first);
11800 if (first.sendTime) {
11801 if (first.useColors) {
11802 SendToProgram("white\n", &first); /*gnu kludge*/
11804 SendTimeRemaining(&first, FALSE);
11806 if (first.useColors) {
11807 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11809 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11810 SetMachineThinkingEnables();
11811 first.maybeThinking = TRUE;
11814 if (appData.autoFlipView && flipView) {
11815 flipView = !flipView;
11816 DrawPosition(FALSE, NULL);
11817 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11819 if(bookHit) { // [HGM] book: simulate book reply
11820 static char bookMove[MSG_SIZ]; // a bit generous?
11822 programStats.nodes = programStats.depth = programStats.time =
11823 programStats.score = programStats.got_only_move = 0;
11824 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11826 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11827 strcat(bookMove, bookHit);
11828 HandleMachineMove(bookMove, &first);
11834 DisplayTwoMachinesTitle()
11837 if (appData.matchGames > 0) {
11838 if (first.twoMachinesColor[0] == 'w') {
11839 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11840 gameInfo.white, gameInfo.black,
11841 first.matchWins, second.matchWins,
11842 matchGame - 1 - (first.matchWins + second.matchWins));
11844 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11845 gameInfo.white, gameInfo.black,
11846 second.matchWins, first.matchWins,
11847 matchGame - 1 - (first.matchWins + second.matchWins));
11850 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11856 SettingsMenuIfReady()
11858 if (second.lastPing != second.lastPong) {
11859 DisplayMessage("", _("Waiting for second chess program"));
11860 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
11864 DisplayMessage("", "");
11865 SettingsPopUp(&second);
11869 WaitForSecond(DelayedEventCallback retry)
11871 if (second.pr == NULL) {
11872 StartChessProgram(&second);
11873 if (second.protocolVersion == 1) {
11876 /* kludge: allow timeout for initial "feature" command */
11878 DisplayMessage("", _("Starting second chess program"));
11879 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
11887 TwoMachinesEvent P((void))
11891 ChessProgramState *onmove;
11892 char *bookHit = NULL;
11894 if (appData.noChessProgram) return;
11896 switch (gameMode) {
11897 case TwoMachinesPlay:
11899 case MachinePlaysWhite:
11900 case MachinePlaysBlack:
11901 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11902 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11906 case BeginningOfGame:
11907 case PlayFromGameFile:
11910 if (gameMode != EditGame) return;
11913 EditPositionDone(TRUE);
11924 // forwardMostMove = currentMove;
11925 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11926 ResurrectChessProgram(); /* in case first program isn't running */
11928 if(WaitForSecond(TwoMachinesEventIfReady)) return;
11929 DisplayMessage("", "");
11930 InitChessProgram(&second, FALSE);
11931 SendToProgram("force\n", &second);
11932 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
11933 ScheduleDelayedEvent(TwoMachinesEvent, 10);
11936 if (startedFromSetupPosition) {
11937 SendBoard(&second, backwardMostMove);
11938 if (appData.debugMode) {
11939 fprintf(debugFP, "Two Machines\n");
11942 for (i = backwardMostMove; i < forwardMostMove; i++) {
11943 SendMoveToProgram(i, &second);
11946 gameMode = TwoMachinesPlay;
11950 DisplayTwoMachinesTitle();
11952 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11958 SendToProgram(first.computerString, &first);
11959 if (first.sendName) {
11960 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
11961 SendToProgram(buf, &first);
11963 SendToProgram(second.computerString, &second);
11964 if (second.sendName) {
11965 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
11966 SendToProgram(buf, &second);
11970 if (!first.sendTime || !second.sendTime) {
11971 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11972 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11974 if (onmove->sendTime) {
11975 if (onmove->useColors) {
11976 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11978 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11980 if (onmove->useColors) {
11981 SendToProgram(onmove->twoMachinesColor, onmove);
11983 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11984 // SendToProgram("go\n", onmove);
11985 onmove->maybeThinking = TRUE;
11986 SetMachineThinkingEnables();
11990 if(bookHit) { // [HGM] book: simulate book reply
11991 static char bookMove[MSG_SIZ]; // a bit generous?
11993 programStats.nodes = programStats.depth = programStats.time =
11994 programStats.score = programStats.got_only_move = 0;
11995 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11997 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11998 strcat(bookMove, bookHit);
11999 savedMessage = bookMove; // args for deferred call
12000 savedState = onmove;
12001 ScheduleDelayedEvent(DeferredBookMove, 1);
12008 if (gameMode == Training) {
12009 SetTrainingModeOff();
12010 gameMode = PlayFromGameFile;
12011 DisplayMessage("", _("Training mode off"));
12013 gameMode = Training;
12014 animateTraining = appData.animate;
12016 /* make sure we are not already at the end of the game */
12017 if (currentMove < forwardMostMove) {
12018 SetTrainingModeOn();
12019 DisplayMessage("", _("Training mode on"));
12021 gameMode = PlayFromGameFile;
12022 DisplayError(_("Already at end of game"), 0);
12031 if (!appData.icsActive) return;
12032 switch (gameMode) {
12033 case IcsPlayingWhite:
12034 case IcsPlayingBlack:
12037 case BeginningOfGame:
12045 EditPositionDone(TRUE);
12058 gameMode = IcsIdle;
12069 switch (gameMode) {
12071 SetTrainingModeOff();
12073 case MachinePlaysWhite:
12074 case MachinePlaysBlack:
12075 case BeginningOfGame:
12076 SendToProgram("force\n", &first);
12077 SetUserThinkingEnables();
12079 case PlayFromGameFile:
12080 (void) StopLoadGameTimer();
12081 if (gameFileFP != NULL) {
12086 EditPositionDone(TRUE);
12091 SendToProgram("force\n", &first);
12093 case TwoMachinesPlay:
12094 GameEnds(EndOfFile, NULL, GE_PLAYER);
12095 ResurrectChessProgram();
12096 SetUserThinkingEnables();
12099 ResurrectChessProgram();
12101 case IcsPlayingBlack:
12102 case IcsPlayingWhite:
12103 DisplayError(_("Warning: You are still playing a game"), 0);
12106 DisplayError(_("Warning: You are still observing a game"), 0);
12109 DisplayError(_("Warning: You are still examining a game"), 0);
12120 first.offeredDraw = second.offeredDraw = 0;
12122 if (gameMode == PlayFromGameFile) {
12123 whiteTimeRemaining = timeRemaining[0][currentMove];
12124 blackTimeRemaining = timeRemaining[1][currentMove];
12128 if (gameMode == MachinePlaysWhite ||
12129 gameMode == MachinePlaysBlack ||
12130 gameMode == TwoMachinesPlay ||
12131 gameMode == EndOfGame) {
12132 i = forwardMostMove;
12133 while (i > currentMove) {
12134 SendToProgram("undo\n", &first);
12137 whiteTimeRemaining = timeRemaining[0][currentMove];
12138 blackTimeRemaining = timeRemaining[1][currentMove];
12139 DisplayBothClocks();
12140 if (whiteFlag || blackFlag) {
12141 whiteFlag = blackFlag = 0;
12146 gameMode = EditGame;
12153 EditPositionEvent()
12155 if (gameMode == EditPosition) {
12161 if (gameMode != EditGame) return;
12163 gameMode = EditPosition;
12166 if (currentMove > 0)
12167 CopyBoard(boards[0], boards[currentMove]);
12169 blackPlaysFirst = !WhiteOnMove(currentMove);
12171 currentMove = forwardMostMove = backwardMostMove = 0;
12172 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12179 /* [DM] icsEngineAnalyze - possible call from other functions */
12180 if (appData.icsEngineAnalyze) {
12181 appData.icsEngineAnalyze = FALSE;
12183 DisplayMessage("",_("Close ICS engine analyze..."));
12185 if (first.analysisSupport && first.analyzing) {
12186 SendToProgram("exit\n", &first);
12187 first.analyzing = FALSE;
12189 thinkOutput[0] = NULLCHAR;
12193 EditPositionDone(Boolean fakeRights)
12195 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12197 startedFromSetupPosition = TRUE;
12198 InitChessProgram(&first, FALSE);
12199 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12200 boards[0][EP_STATUS] = EP_NONE;
12201 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12202 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12203 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12204 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12205 } else boards[0][CASTLING][2] = NoRights;
12206 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12207 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12208 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12209 } else boards[0][CASTLING][5] = NoRights;
12211 SendToProgram("force\n", &first);
12212 if (blackPlaysFirst) {
12213 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12214 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12215 currentMove = forwardMostMove = backwardMostMove = 1;
12216 CopyBoard(boards[1], boards[0]);
12218 currentMove = forwardMostMove = backwardMostMove = 0;
12220 SendBoard(&first, forwardMostMove);
12221 if (appData.debugMode) {
12222 fprintf(debugFP, "EditPosDone\n");
12225 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12226 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12227 gameMode = EditGame;
12229 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12230 ClearHighlights(); /* [AS] */
12233 /* Pause for `ms' milliseconds */
12234 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12244 } while (SubtractTimeMarks(&m2, &m1) < ms);
12247 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12249 SendMultiLineToICS(buf)
12252 char temp[MSG_SIZ+1], *p;
12259 strncpy(temp, buf, len);
12264 if (*p == '\n' || *p == '\r')
12269 strcat(temp, "\n");
12271 SendToPlayer(temp, strlen(temp));
12275 SetWhiteToPlayEvent()
12277 if (gameMode == EditPosition) {
12278 blackPlaysFirst = FALSE;
12279 DisplayBothClocks(); /* works because currentMove is 0 */
12280 } else if (gameMode == IcsExamining) {
12281 SendToICS(ics_prefix);
12282 SendToICS("tomove white\n");
12287 SetBlackToPlayEvent()
12289 if (gameMode == EditPosition) {
12290 blackPlaysFirst = TRUE;
12291 currentMove = 1; /* kludge */
12292 DisplayBothClocks();
12294 } else if (gameMode == IcsExamining) {
12295 SendToICS(ics_prefix);
12296 SendToICS("tomove black\n");
12301 EditPositionMenuEvent(selection, x, y)
12302 ChessSquare selection;
12306 ChessSquare piece = boards[0][y][x];
12308 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12310 switch (selection) {
12312 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12313 SendToICS(ics_prefix);
12314 SendToICS("bsetup clear\n");
12315 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12316 SendToICS(ics_prefix);
12317 SendToICS("clearboard\n");
12319 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12320 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12321 for (y = 0; y < BOARD_HEIGHT; y++) {
12322 if (gameMode == IcsExamining) {
12323 if (boards[currentMove][y][x] != EmptySquare) {
12324 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
12329 boards[0][y][x] = p;
12334 if (gameMode == EditPosition) {
12335 DrawPosition(FALSE, boards[0]);
12340 SetWhiteToPlayEvent();
12344 SetBlackToPlayEvent();
12348 if (gameMode == IcsExamining) {
12349 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12350 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12353 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12354 if(x == BOARD_LEFT-2) {
12355 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12356 boards[0][y][1] = 0;
12358 if(x == BOARD_RGHT+1) {
12359 if(y >= gameInfo.holdingsSize) break;
12360 boards[0][y][BOARD_WIDTH-2] = 0;
12363 boards[0][y][x] = EmptySquare;
12364 DrawPosition(FALSE, boards[0]);
12369 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12370 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12371 selection = (ChessSquare) (PROMOTED piece);
12372 } else if(piece == EmptySquare) selection = WhiteSilver;
12373 else selection = (ChessSquare)((int)piece - 1);
12377 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12378 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12379 selection = (ChessSquare) (DEMOTED piece);
12380 } else if(piece == EmptySquare) selection = BlackSilver;
12381 else selection = (ChessSquare)((int)piece + 1);
12386 if(gameInfo.variant == VariantShatranj ||
12387 gameInfo.variant == VariantXiangqi ||
12388 gameInfo.variant == VariantCourier ||
12389 gameInfo.variant == VariantMakruk )
12390 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12395 if(gameInfo.variant == VariantXiangqi)
12396 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12397 if(gameInfo.variant == VariantKnightmate)
12398 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12401 if (gameMode == IcsExamining) {
12402 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12403 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
12404 PieceToChar(selection), AAA + x, ONE + y);
12407 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12409 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12410 n = PieceToNumber(selection - BlackPawn);
12411 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12412 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12413 boards[0][BOARD_HEIGHT-1-n][1]++;
12415 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12416 n = PieceToNumber(selection);
12417 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12418 boards[0][n][BOARD_WIDTH-1] = selection;
12419 boards[0][n][BOARD_WIDTH-2]++;
12422 boards[0][y][x] = selection;
12423 DrawPosition(TRUE, boards[0]);
12431 DropMenuEvent(selection, x, y)
12432 ChessSquare selection;
12435 ChessMove moveType;
12437 switch (gameMode) {
12438 case IcsPlayingWhite:
12439 case MachinePlaysBlack:
12440 if (!WhiteOnMove(currentMove)) {
12441 DisplayMoveError(_("It is Black's turn"));
12444 moveType = WhiteDrop;
12446 case IcsPlayingBlack:
12447 case MachinePlaysWhite:
12448 if (WhiteOnMove(currentMove)) {
12449 DisplayMoveError(_("It is White's turn"));
12452 moveType = BlackDrop;
12455 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12461 if (moveType == BlackDrop && selection < BlackPawn) {
12462 selection = (ChessSquare) ((int) selection
12463 + (int) BlackPawn - (int) WhitePawn);
12465 if (boards[currentMove][y][x] != EmptySquare) {
12466 DisplayMoveError(_("That square is occupied"));
12470 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12476 /* Accept a pending offer of any kind from opponent */
12478 if (appData.icsActive) {
12479 SendToICS(ics_prefix);
12480 SendToICS("accept\n");
12481 } else if (cmailMsgLoaded) {
12482 if (currentMove == cmailOldMove &&
12483 commentList[cmailOldMove] != NULL &&
12484 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12485 "Black offers a draw" : "White offers a draw")) {
12487 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12488 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12490 DisplayError(_("There is no pending offer on this move"), 0);
12491 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12494 /* Not used for offers from chess program */
12501 /* Decline a pending offer of any kind from opponent */
12503 if (appData.icsActive) {
12504 SendToICS(ics_prefix);
12505 SendToICS("decline\n");
12506 } else if (cmailMsgLoaded) {
12507 if (currentMove == cmailOldMove &&
12508 commentList[cmailOldMove] != NULL &&
12509 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12510 "Black offers a draw" : "White offers a draw")) {
12512 AppendComment(cmailOldMove, "Draw declined", TRUE);
12513 DisplayComment(cmailOldMove - 1, "Draw declined");
12516 DisplayError(_("There is no pending offer on this move"), 0);
12519 /* Not used for offers from chess program */
12526 /* Issue ICS rematch command */
12527 if (appData.icsActive) {
12528 SendToICS(ics_prefix);
12529 SendToICS("rematch\n");
12536 /* Call your opponent's flag (claim a win on time) */
12537 if (appData.icsActive) {
12538 SendToICS(ics_prefix);
12539 SendToICS("flag\n");
12541 switch (gameMode) {
12544 case MachinePlaysWhite:
12547 GameEnds(GameIsDrawn, "Both players ran out of time",
12550 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12552 DisplayError(_("Your opponent is not out of time"), 0);
12555 case MachinePlaysBlack:
12558 GameEnds(GameIsDrawn, "Both players ran out of time",
12561 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12563 DisplayError(_("Your opponent is not out of time"), 0);
12573 /* Offer draw or accept pending draw offer from opponent */
12575 if (appData.icsActive) {
12576 /* Note: tournament rules require draw offers to be
12577 made after you make your move but before you punch
12578 your clock. Currently ICS doesn't let you do that;
12579 instead, you immediately punch your clock after making
12580 a move, but you can offer a draw at any time. */
12582 SendToICS(ics_prefix);
12583 SendToICS("draw\n");
12584 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12585 } else if (cmailMsgLoaded) {
12586 if (currentMove == cmailOldMove &&
12587 commentList[cmailOldMove] != NULL &&
12588 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12589 "Black offers a draw" : "White offers a draw")) {
12590 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12591 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12592 } else if (currentMove == cmailOldMove + 1) {
12593 char *offer = WhiteOnMove(cmailOldMove) ?
12594 "White offers a draw" : "Black offers a draw";
12595 AppendComment(currentMove, offer, TRUE);
12596 DisplayComment(currentMove - 1, offer);
12597 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12599 DisplayError(_("You must make your move before offering a draw"), 0);
12600 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12602 } else if (first.offeredDraw) {
12603 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12605 if (first.sendDrawOffers) {
12606 SendToProgram("draw\n", &first);
12607 userOfferedDraw = TRUE;
12615 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12617 if (appData.icsActive) {
12618 SendToICS(ics_prefix);
12619 SendToICS("adjourn\n");
12621 /* Currently GNU Chess doesn't offer or accept Adjourns */
12629 /* Offer Abort or accept pending Abort offer from opponent */
12631 if (appData.icsActive) {
12632 SendToICS(ics_prefix);
12633 SendToICS("abort\n");
12635 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12642 /* Resign. You can do this even if it's not your turn. */
12644 if (appData.icsActive) {
12645 SendToICS(ics_prefix);
12646 SendToICS("resign\n");
12648 switch (gameMode) {
12649 case MachinePlaysWhite:
12650 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12652 case MachinePlaysBlack:
12653 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12656 if (cmailMsgLoaded) {
12658 if (WhiteOnMove(cmailOldMove)) {
12659 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12661 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12663 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12674 StopObservingEvent()
12676 /* Stop observing current games */
12677 SendToICS(ics_prefix);
12678 SendToICS("unobserve\n");
12682 StopExaminingEvent()
12684 /* Stop observing current game */
12685 SendToICS(ics_prefix);
12686 SendToICS("unexamine\n");
12690 ForwardInner(target)
12695 if (appData.debugMode)
12696 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12697 target, currentMove, forwardMostMove);
12699 if (gameMode == EditPosition)
12702 if (gameMode == PlayFromGameFile && !pausing)
12705 if (gameMode == IcsExamining && pausing)
12706 limit = pauseExamForwardMostMove;
12708 limit = forwardMostMove;
12710 if (target > limit) target = limit;
12712 if (target > 0 && moveList[target - 1][0]) {
12713 int fromX, fromY, toX, toY;
12714 toX = moveList[target - 1][2] - AAA;
12715 toY = moveList[target - 1][3] - ONE;
12716 if (moveList[target - 1][1] == '@') {
12717 if (appData.highlightLastMove) {
12718 SetHighlights(-1, -1, toX, toY);
12721 fromX = moveList[target - 1][0] - AAA;
12722 fromY = moveList[target - 1][1] - ONE;
12723 if (target == currentMove + 1) {
12724 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12726 if (appData.highlightLastMove) {
12727 SetHighlights(fromX, fromY, toX, toY);
12731 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12732 gameMode == Training || gameMode == PlayFromGameFile ||
12733 gameMode == AnalyzeFile) {
12734 while (currentMove < target) {
12735 SendMoveToProgram(currentMove++, &first);
12738 currentMove = target;
12741 if (gameMode == EditGame || gameMode == EndOfGame) {
12742 whiteTimeRemaining = timeRemaining[0][currentMove];
12743 blackTimeRemaining = timeRemaining[1][currentMove];
12745 DisplayBothClocks();
12746 DisplayMove(currentMove - 1);
12747 DrawPosition(FALSE, boards[currentMove]);
12748 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12749 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12750 DisplayComment(currentMove - 1, commentList[currentMove]);
12758 if (gameMode == IcsExamining && !pausing) {
12759 SendToICS(ics_prefix);
12760 SendToICS("forward\n");
12762 ForwardInner(currentMove + 1);
12769 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12770 /* to optimze, we temporarily turn off analysis mode while we feed
12771 * the remaining moves to the engine. Otherwise we get analysis output
12774 if (first.analysisSupport) {
12775 SendToProgram("exit\nforce\n", &first);
12776 first.analyzing = FALSE;
12780 if (gameMode == IcsExamining && !pausing) {
12781 SendToICS(ics_prefix);
12782 SendToICS("forward 999999\n");
12784 ForwardInner(forwardMostMove);
12787 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12788 /* we have fed all the moves, so reactivate analysis mode */
12789 SendToProgram("analyze\n", &first);
12790 first.analyzing = TRUE;
12791 /*first.maybeThinking = TRUE;*/
12792 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12797 BackwardInner(target)
12800 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12802 if (appData.debugMode)
12803 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12804 target, currentMove, forwardMostMove);
12806 if (gameMode == EditPosition) return;
12807 if (currentMove <= backwardMostMove) {
12809 DrawPosition(full_redraw, boards[currentMove]);
12812 if (gameMode == PlayFromGameFile && !pausing)
12815 if (moveList[target][0]) {
12816 int fromX, fromY, toX, toY;
12817 toX = moveList[target][2] - AAA;
12818 toY = moveList[target][3] - ONE;
12819 if (moveList[target][1] == '@') {
12820 if (appData.highlightLastMove) {
12821 SetHighlights(-1, -1, toX, toY);
12824 fromX = moveList[target][0] - AAA;
12825 fromY = moveList[target][1] - ONE;
12826 if (target == currentMove - 1) {
12827 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12829 if (appData.highlightLastMove) {
12830 SetHighlights(fromX, fromY, toX, toY);
12834 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12835 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12836 while (currentMove > target) {
12837 SendToProgram("undo\n", &first);
12841 currentMove = target;
12844 if (gameMode == EditGame || gameMode == EndOfGame) {
12845 whiteTimeRemaining = timeRemaining[0][currentMove];
12846 blackTimeRemaining = timeRemaining[1][currentMove];
12848 DisplayBothClocks();
12849 DisplayMove(currentMove - 1);
12850 DrawPosition(full_redraw, boards[currentMove]);
12851 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12852 // [HGM] PV info: routine tests if comment empty
12853 DisplayComment(currentMove - 1, commentList[currentMove]);
12859 if (gameMode == IcsExamining && !pausing) {
12860 SendToICS(ics_prefix);
12861 SendToICS("backward\n");
12863 BackwardInner(currentMove - 1);
12870 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12871 /* to optimize, we temporarily turn off analysis mode while we undo
12872 * all the moves. Otherwise we get analysis output after each undo.
12874 if (first.analysisSupport) {
12875 SendToProgram("exit\nforce\n", &first);
12876 first.analyzing = FALSE;
12880 if (gameMode == IcsExamining && !pausing) {
12881 SendToICS(ics_prefix);
12882 SendToICS("backward 999999\n");
12884 BackwardInner(backwardMostMove);
12887 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12888 /* we have fed all the moves, so reactivate analysis mode */
12889 SendToProgram("analyze\n", &first);
12890 first.analyzing = TRUE;
12891 /*first.maybeThinking = TRUE;*/
12892 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12899 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12900 if (to >= forwardMostMove) to = forwardMostMove;
12901 if (to <= backwardMostMove) to = backwardMostMove;
12902 if (to < currentMove) {
12910 RevertEvent(Boolean annotate)
12912 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12915 if (gameMode != IcsExamining) {
12916 DisplayError(_("You are not examining a game"), 0);
12920 DisplayError(_("You can't revert while pausing"), 0);
12923 SendToICS(ics_prefix);
12924 SendToICS("revert\n");
12930 switch (gameMode) {
12931 case MachinePlaysWhite:
12932 case MachinePlaysBlack:
12933 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12934 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12937 if (forwardMostMove < 2) return;
12938 currentMove = forwardMostMove = forwardMostMove - 2;
12939 whiteTimeRemaining = timeRemaining[0][currentMove];
12940 blackTimeRemaining = timeRemaining[1][currentMove];
12941 DisplayBothClocks();
12942 DisplayMove(currentMove - 1);
12943 ClearHighlights();/*!! could figure this out*/
12944 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12945 SendToProgram("remove\n", &first);
12946 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12949 case BeginningOfGame:
12953 case IcsPlayingWhite:
12954 case IcsPlayingBlack:
12955 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12956 SendToICS(ics_prefix);
12957 SendToICS("takeback 2\n");
12959 SendToICS(ics_prefix);
12960 SendToICS("takeback 1\n");
12969 ChessProgramState *cps;
12971 switch (gameMode) {
12972 case MachinePlaysWhite:
12973 if (!WhiteOnMove(forwardMostMove)) {
12974 DisplayError(_("It is your turn"), 0);
12979 case MachinePlaysBlack:
12980 if (WhiteOnMove(forwardMostMove)) {
12981 DisplayError(_("It is your turn"), 0);
12986 case TwoMachinesPlay:
12987 if (WhiteOnMove(forwardMostMove) ==
12988 (first.twoMachinesColor[0] == 'w')) {
12994 case BeginningOfGame:
12998 SendToProgram("?\n", cps);
13002 TruncateGameEvent()
13005 if (gameMode != EditGame) return;
13012 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
13013 if (forwardMostMove > currentMove) {
13014 if (gameInfo.resultDetails != NULL) {
13015 free(gameInfo.resultDetails);
13016 gameInfo.resultDetails = NULL;
13017 gameInfo.result = GameUnfinished;
13019 forwardMostMove = currentMove;
13020 HistorySet(parseList, backwardMostMove, forwardMostMove,
13028 if (appData.noChessProgram) return;
13029 switch (gameMode) {
13030 case MachinePlaysWhite:
13031 if (WhiteOnMove(forwardMostMove)) {
13032 DisplayError(_("Wait until your turn"), 0);
13036 case BeginningOfGame:
13037 case MachinePlaysBlack:
13038 if (!WhiteOnMove(forwardMostMove)) {
13039 DisplayError(_("Wait until your turn"), 0);
13044 DisplayError(_("No hint available"), 0);
13047 SendToProgram("hint\n", &first);
13048 hintRequested = TRUE;
13054 if (appData.noChessProgram) return;
13055 switch (gameMode) {
13056 case MachinePlaysWhite:
13057 if (WhiteOnMove(forwardMostMove)) {
13058 DisplayError(_("Wait until your turn"), 0);
13062 case BeginningOfGame:
13063 case MachinePlaysBlack:
13064 if (!WhiteOnMove(forwardMostMove)) {
13065 DisplayError(_("Wait until your turn"), 0);
13070 EditPositionDone(TRUE);
13072 case TwoMachinesPlay:
13077 SendToProgram("bk\n", &first);
13078 bookOutput[0] = NULLCHAR;
13079 bookRequested = TRUE;
13085 char *tags = PGNTags(&gameInfo);
13086 TagsPopUp(tags, CmailMsg());
13090 /* end button procedures */
13093 PrintPosition(fp, move)
13099 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13100 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13101 char c = PieceToChar(boards[move][i][j]);
13102 fputc(c == 'x' ? '.' : c, fp);
13103 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13106 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13107 fprintf(fp, "white to play\n");
13109 fprintf(fp, "black to play\n");
13116 if (gameInfo.white != NULL) {
13117 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13123 /* Find last component of program's own name, using some heuristics */
13125 TidyProgramName(prog, host, buf)
13126 char *prog, *host, buf[MSG_SIZ];
13129 int local = (strcmp(host, "localhost") == 0);
13130 while (!local && (p = strchr(prog, ';')) != NULL) {
13132 while (*p == ' ') p++;
13135 if (*prog == '"' || *prog == '\'') {
13136 q = strchr(prog + 1, *prog);
13138 q = strchr(prog, ' ');
13140 if (q == NULL) q = prog + strlen(prog);
13142 while (p >= prog && *p != '/' && *p != '\\') p--;
13144 if(p == prog && *p == '"') p++;
13145 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13146 memcpy(buf, p, q - p);
13147 buf[q - p] = NULLCHAR;
13155 TimeControlTagValue()
13158 if (!appData.clockMode) {
13159 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
13160 } else if (movesPerSession > 0) {
13161 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
13162 } else if (timeIncrement == 0) {
13163 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
13165 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13167 return StrSave(buf);
13173 /* This routine is used only for certain modes */
13174 VariantClass v = gameInfo.variant;
13175 ChessMove r = GameUnfinished;
13178 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13179 r = gameInfo.result;
13180 p = gameInfo.resultDetails;
13181 gameInfo.resultDetails = NULL;
13183 ClearGameInfo(&gameInfo);
13184 gameInfo.variant = v;
13186 switch (gameMode) {
13187 case MachinePlaysWhite:
13188 gameInfo.event = StrSave( appData.pgnEventHeader );
13189 gameInfo.site = StrSave(HostName());
13190 gameInfo.date = PGNDate();
13191 gameInfo.round = StrSave("-");
13192 gameInfo.white = StrSave(first.tidy);
13193 gameInfo.black = StrSave(UserName());
13194 gameInfo.timeControl = TimeControlTagValue();
13197 case MachinePlaysBlack:
13198 gameInfo.event = StrSave( appData.pgnEventHeader );
13199 gameInfo.site = StrSave(HostName());
13200 gameInfo.date = PGNDate();
13201 gameInfo.round = StrSave("-");
13202 gameInfo.white = StrSave(UserName());
13203 gameInfo.black = StrSave(first.tidy);
13204 gameInfo.timeControl = TimeControlTagValue();
13207 case TwoMachinesPlay:
13208 gameInfo.event = StrSave( appData.pgnEventHeader );
13209 gameInfo.site = StrSave(HostName());
13210 gameInfo.date = PGNDate();
13211 if (matchGame > 0) {
13213 snprintf(buf, MSG_SIZ, "%d", matchGame);
13214 gameInfo.round = StrSave(buf);
13216 gameInfo.round = StrSave("-");
13218 if (first.twoMachinesColor[0] == 'w') {
13219 gameInfo.white = StrSave(first.tidy);
13220 gameInfo.black = StrSave(second.tidy);
13222 gameInfo.white = StrSave(second.tidy);
13223 gameInfo.black = StrSave(first.tidy);
13225 gameInfo.timeControl = TimeControlTagValue();
13229 gameInfo.event = StrSave("Edited game");
13230 gameInfo.site = StrSave(HostName());
13231 gameInfo.date = PGNDate();
13232 gameInfo.round = StrSave("-");
13233 gameInfo.white = StrSave("-");
13234 gameInfo.black = StrSave("-");
13235 gameInfo.result = r;
13236 gameInfo.resultDetails = p;
13240 gameInfo.event = StrSave("Edited position");
13241 gameInfo.site = StrSave(HostName());
13242 gameInfo.date = PGNDate();
13243 gameInfo.round = StrSave("-");
13244 gameInfo.white = StrSave("-");
13245 gameInfo.black = StrSave("-");
13248 case IcsPlayingWhite:
13249 case IcsPlayingBlack:
13254 case PlayFromGameFile:
13255 gameInfo.event = StrSave("Game from non-PGN file");
13256 gameInfo.site = StrSave(HostName());
13257 gameInfo.date = PGNDate();
13258 gameInfo.round = StrSave("-");
13259 gameInfo.white = StrSave("?");
13260 gameInfo.black = StrSave("?");
13269 ReplaceComment(index, text)
13275 while (*text == '\n') text++;
13276 len = strlen(text);
13277 while (len > 0 && text[len - 1] == '\n') len--;
13279 if (commentList[index] != NULL)
13280 free(commentList[index]);
13283 commentList[index] = NULL;
13286 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13287 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13288 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13289 commentList[index] = (char *) malloc(len + 2);
13290 strncpy(commentList[index], text, len);
13291 commentList[index][len] = '\n';
13292 commentList[index][len + 1] = NULLCHAR;
13294 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13296 commentList[index] = (char *) malloc(len + 7);
13297 safeStrCpy(commentList[index], "{\n", 3);
13298 safeStrCpy(commentList[index]+2, text, len+1);
13299 commentList[index][len+2] = NULLCHAR;
13300 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13301 strcat(commentList[index], "\n}\n");
13315 if (ch == '\r') continue;
13317 } while (ch != '\0');
13321 AppendComment(index, text, addBraces)
13324 Boolean addBraces; // [HGM] braces: tells if we should add {}
13329 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13330 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13333 while (*text == '\n') text++;
13334 len = strlen(text);
13335 while (len > 0 && text[len - 1] == '\n') len--;
13337 if (len == 0) return;
13339 if (commentList[index] != NULL) {
13340 old = commentList[index];
13341 oldlen = strlen(old);
13342 while(commentList[index][oldlen-1] == '\n')
13343 commentList[index][--oldlen] = NULLCHAR;
13344 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13345 safeStrCpy(commentList[index], old, oldlen);
13347 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13348 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13349 if(addBraces) addBraces = FALSE; else { text++; len--; }
13350 while (*text == '\n') { text++; len--; }
13351 commentList[index][--oldlen] = NULLCHAR;
13353 if(addBraces) strcat(commentList[index], "\n{\n");
13354 else strcat(commentList[index], "\n");
13355 strcat(commentList[index], text);
13356 if(addBraces) strcat(commentList[index], "\n}\n");
13357 else strcat(commentList[index], "\n");
13359 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13361 safeStrCpy(commentList[index], "{\n", 3);
13362 else commentList[index][0] = NULLCHAR;
13363 strcat(commentList[index], text);
13364 strcat(commentList[index], "\n");
13365 if(addBraces) strcat(commentList[index], "}\n");
13369 static char * FindStr( char * text, char * sub_text )
13371 char * result = strstr( text, sub_text );
13373 if( result != NULL ) {
13374 result += strlen( sub_text );
13380 /* [AS] Try to extract PV info from PGN comment */
13381 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13382 char *GetInfoFromComment( int index, char * text )
13386 if( text != NULL && index > 0 ) {
13389 int time = -1, sec = 0, deci;
13390 char * s_eval = FindStr( text, "[%eval " );
13391 char * s_emt = FindStr( text, "[%emt " );
13393 if( s_eval != NULL || s_emt != NULL ) {
13397 if( s_eval != NULL ) {
13398 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13402 if( delim != ']' ) {
13407 if( s_emt != NULL ) {
13412 /* We expect something like: [+|-]nnn.nn/dd */
13415 if(*text != '{') return text; // [HGM] braces: must be normal comment
13417 sep = strchr( text, '/' );
13418 if( sep == NULL || sep < (text+4) ) {
13422 time = -1; sec = -1; deci = -1;
13423 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13424 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13425 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13426 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13430 if( score_lo < 0 || score_lo >= 100 ) {
13434 if(sec >= 0) time = 600*time + 10*sec; else
13435 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13437 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13439 /* [HGM] PV time: now locate end of PV info */
13440 while( *++sep >= '0' && *sep <= '9'); // strip depth
13442 while( *++sep >= '0' && *sep <= '9'); // strip time
13444 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13446 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13447 while(*sep == ' ') sep++;
13458 pvInfoList[index-1].depth = depth;
13459 pvInfoList[index-1].score = score;
13460 pvInfoList[index-1].time = 10*time; // centi-sec
13461 if(*sep == '}') *sep = 0; else *--sep = '{';
13467 SendToProgram(message, cps)
13469 ChessProgramState *cps;
13471 int count, outCount, error;
13474 if (cps->pr == NULL) return;
13477 if (appData.debugMode) {
13480 fprintf(debugFP, "%ld >%-6s: %s",
13481 SubtractTimeMarks(&now, &programStartTime),
13482 cps->which, message);
13485 count = strlen(message);
13486 outCount = OutputToProcess(cps->pr, message, count, &error);
13487 if (outCount < count && !exiting
13488 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13489 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), cps->which);
13490 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13491 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13492 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13493 snprintf(buf, MSG_SIZ, "%s program exits in draw position (%s)", cps->which, cps->program);
13495 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13497 gameInfo.resultDetails = StrSave(buf);
13499 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13504 ReceiveFromProgram(isr, closure, message, count, error)
13505 InputSourceRef isr;
13513 ChessProgramState *cps = (ChessProgramState *)closure;
13515 if (isr != cps->isr) return; /* Killed intentionally */
13518 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
13519 cps->which, cps->program);
13520 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13521 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13522 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13523 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13525 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13527 gameInfo.resultDetails = StrSave(buf);
13529 RemoveInputSource(cps->isr);
13530 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13532 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
13533 cps->which, cps->program);
13534 RemoveInputSource(cps->isr);
13536 /* [AS] Program is misbehaving badly... kill it */
13537 if( count == -2 ) {
13538 DestroyChildProcess( cps->pr, 9 );
13542 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13547 if ((end_str = strchr(message, '\r')) != NULL)
13548 *end_str = NULLCHAR;
13549 if ((end_str = strchr(message, '\n')) != NULL)
13550 *end_str = NULLCHAR;
13552 if (appData.debugMode) {
13553 TimeMark now; int print = 1;
13554 char *quote = ""; char c; int i;
13556 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13557 char start = message[0];
13558 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13559 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13560 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13561 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13562 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13563 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13564 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13565 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
13566 sscanf(message, "hint: %c", &c)!=1 &&
13567 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13568 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13569 print = (appData.engineComments >= 2);
13571 message[0] = start; // restore original message
13575 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13576 SubtractTimeMarks(&now, &programStartTime), cps->which,
13582 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13583 if (appData.icsEngineAnalyze) {
13584 if (strstr(message, "whisper") != NULL ||
13585 strstr(message, "kibitz") != NULL ||
13586 strstr(message, "tellics") != NULL) return;
13589 HandleMachineMove(message, cps);
13594 SendTimeControl(cps, mps, tc, inc, sd, st)
13595 ChessProgramState *cps;
13596 int mps, inc, sd, st;
13602 if( timeControl_2 > 0 ) {
13603 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13604 tc = timeControl_2;
13607 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13608 inc /= cps->timeOdds;
13609 st /= cps->timeOdds;
13611 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13614 /* Set exact time per move, normally using st command */
13615 if (cps->stKludge) {
13616 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13618 if (seconds == 0) {
13619 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
13621 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
13624 snprintf(buf, MSG_SIZ, "st %d\n", st);
13627 /* Set conventional or incremental time control, using level command */
13628 if (seconds == 0) {
13629 /* Note old gnuchess bug -- minutes:seconds used to not work.
13630 Fixed in later versions, but still avoid :seconds
13631 when seconds is 0. */
13632 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
13634 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
13635 seconds, inc/1000.);
13638 SendToProgram(buf, cps);
13640 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13641 /* Orthogonally, limit search to given depth */
13643 if (cps->sdKludge) {
13644 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
13646 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
13648 SendToProgram(buf, cps);
13651 if(cps->nps > 0) { /* [HGM] nps */
13652 if(cps->supportsNPS == FALSE)
13653 cps->nps = -1; // don't use if engine explicitly says not supported!
13655 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
13656 SendToProgram(buf, cps);
13661 ChessProgramState *WhitePlayer()
13662 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13664 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13665 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13671 SendTimeRemaining(cps, machineWhite)
13672 ChessProgramState *cps;
13673 int /*boolean*/ machineWhite;
13675 char message[MSG_SIZ];
13678 /* Note: this routine must be called when the clocks are stopped
13679 or when they have *just* been set or switched; otherwise
13680 it will be off by the time since the current tick started.
13682 if (machineWhite) {
13683 time = whiteTimeRemaining / 10;
13684 otime = blackTimeRemaining / 10;
13686 time = blackTimeRemaining / 10;
13687 otime = whiteTimeRemaining / 10;
13689 /* [HGM] translate opponent's time by time-odds factor */
13690 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13691 if (appData.debugMode) {
13692 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13695 if (time <= 0) time = 1;
13696 if (otime <= 0) otime = 1;
13698 snprintf(message, MSG_SIZ, "time %ld\n", time);
13699 SendToProgram(message, cps);
13701 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
13702 SendToProgram(message, cps);
13706 BoolFeature(p, name, loc, cps)
13710 ChessProgramState *cps;
13713 int len = strlen(name);
13716 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13718 sscanf(*p, "%d", &val);
13720 while (**p && **p != ' ')
13722 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13723 SendToProgram(buf, cps);
13730 IntFeature(p, name, loc, cps)
13734 ChessProgramState *cps;
13737 int len = strlen(name);
13738 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13740 sscanf(*p, "%d", loc);
13741 while (**p && **p != ' ') (*p)++;
13742 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13743 SendToProgram(buf, cps);
13750 StringFeature(p, name, loc, cps)
13754 ChessProgramState *cps;
13757 int len = strlen(name);
13758 if (strncmp((*p), name, len) == 0
13759 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13761 sscanf(*p, "%[^\"]", loc);
13762 while (**p && **p != '\"') (*p)++;
13763 if (**p == '\"') (*p)++;
13764 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13765 SendToProgram(buf, cps);
13772 ParseOption(Option *opt, ChessProgramState *cps)
13773 // [HGM] options: process the string that defines an engine option, and determine
13774 // name, type, default value, and allowed value range
13776 char *p, *q, buf[MSG_SIZ];
13777 int n, min = (-1)<<31, max = 1<<31, def;
13779 if(p = strstr(opt->name, " -spin ")) {
13780 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13781 if(max < min) max = min; // enforce consistency
13782 if(def < min) def = min;
13783 if(def > max) def = max;
13788 } else if((p = strstr(opt->name, " -slider "))) {
13789 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13790 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13791 if(max < min) max = min; // enforce consistency
13792 if(def < min) def = min;
13793 if(def > max) def = max;
13797 opt->type = Spin; // Slider;
13798 } else if((p = strstr(opt->name, " -string "))) {
13799 opt->textValue = p+9;
13800 opt->type = TextBox;
13801 } else if((p = strstr(opt->name, " -file "))) {
13802 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13803 opt->textValue = p+7;
13804 opt->type = TextBox; // FileName;
13805 } else if((p = strstr(opt->name, " -path "))) {
13806 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13807 opt->textValue = p+7;
13808 opt->type = TextBox; // PathName;
13809 } else if(p = strstr(opt->name, " -check ")) {
13810 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13811 opt->value = (def != 0);
13812 opt->type = CheckBox;
13813 } else if(p = strstr(opt->name, " -combo ")) {
13814 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13815 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13816 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13817 opt->value = n = 0;
13818 while(q = StrStr(q, " /// ")) {
13819 n++; *q = 0; // count choices, and null-terminate each of them
13821 if(*q == '*') { // remember default, which is marked with * prefix
13825 cps->comboList[cps->comboCnt++] = q;
13827 cps->comboList[cps->comboCnt++] = NULL;
13829 opt->type = ComboBox;
13830 } else if(p = strstr(opt->name, " -button")) {
13831 opt->type = Button;
13832 } else if(p = strstr(opt->name, " -save")) {
13833 opt->type = SaveButton;
13834 } else return FALSE;
13835 *p = 0; // terminate option name
13836 // now look if the command-line options define a setting for this engine option.
13837 if(cps->optionSettings && cps->optionSettings[0])
13838 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13839 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13840 snprintf(buf, MSG_SIZ, "option %s", p);
13841 if(p = strstr(buf, ",")) *p = 0;
13842 if(q = strchr(buf, '=')) switch(opt->type) {
13844 for(n=0; n<opt->max; n++)
13845 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
13848 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
13852 opt->value = atoi(q+1);
13857 SendToProgram(buf, cps);
13863 FeatureDone(cps, val)
13864 ChessProgramState* cps;
13867 DelayedEventCallback cb = GetDelayedEvent();
13868 if ((cb == InitBackEnd3 && cps == &first) ||
13869 (cb == SettingsMenuIfReady && cps == &second) ||
13870 (cb == TwoMachinesEventIfReady && cps == &second)) {
13871 CancelDelayedEvent();
13872 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13874 cps->initDone = val;
13877 /* Parse feature command from engine */
13879 ParseFeatures(args, cps)
13881 ChessProgramState *cps;
13889 while (*p == ' ') p++;
13890 if (*p == NULLCHAR) return;
13892 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13893 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13894 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13895 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13896 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13897 if (BoolFeature(&p, "reuse", &val, cps)) {
13898 /* Engine can disable reuse, but can't enable it if user said no */
13899 if (!val) cps->reuse = FALSE;
13902 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13903 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13904 if (gameMode == TwoMachinesPlay) {
13905 DisplayTwoMachinesTitle();
13911 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13912 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13913 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13914 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13915 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13916 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13917 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13918 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13919 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13920 if (IntFeature(&p, "done", &val, cps)) {
13921 FeatureDone(cps, val);
13924 /* Added by Tord: */
13925 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13926 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13927 /* End of additions by Tord */
13929 /* [HGM] added features: */
13930 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13931 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13932 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13933 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13934 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13935 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13936 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13937 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13938 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13939 SendToProgram(buf, cps);
13942 if(cps->nrOptions >= MAX_OPTIONS) {
13944 snprintf(buf, MSG_SIZ, "%s engine has too many options\n", cps->which);
13945 DisplayError(buf, 0);
13949 /* End of additions by HGM */
13951 /* unknown feature: complain and skip */
13953 while (*q && *q != '=') q++;
13954 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
13955 SendToProgram(buf, cps);
13961 while (*p && *p != '\"') p++;
13962 if (*p == '\"') p++;
13964 while (*p && *p != ' ') p++;
13972 PeriodicUpdatesEvent(newState)
13975 if (newState == appData.periodicUpdates)
13978 appData.periodicUpdates=newState;
13980 /* Display type changes, so update it now */
13981 // DisplayAnalysis();
13983 /* Get the ball rolling again... */
13985 AnalysisPeriodicEvent(1);
13986 StartAnalysisClock();
13991 PonderNextMoveEvent(newState)
13994 if (newState == appData.ponderNextMove) return;
13995 if (gameMode == EditPosition) EditPositionDone(TRUE);
13997 SendToProgram("hard\n", &first);
13998 if (gameMode == TwoMachinesPlay) {
13999 SendToProgram("hard\n", &second);
14002 SendToProgram("easy\n", &first);
14003 thinkOutput[0] = NULLCHAR;
14004 if (gameMode == TwoMachinesPlay) {
14005 SendToProgram("easy\n", &second);
14008 appData.ponderNextMove = newState;
14012 NewSettingEvent(option, feature, command, value)
14014 int option, value, *feature;
14018 if (gameMode == EditPosition) EditPositionDone(TRUE);
14019 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
14020 if(feature == NULL || *feature) SendToProgram(buf, &first);
14021 if (gameMode == TwoMachinesPlay) {
14022 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
14027 ShowThinkingEvent()
14028 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
14030 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
14031 int newState = appData.showThinking
14032 // [HGM] thinking: other features now need thinking output as well
14033 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
14035 if (oldState == newState) return;
14036 oldState = newState;
14037 if (gameMode == EditPosition) EditPositionDone(TRUE);
14039 SendToProgram("post\n", &first);
14040 if (gameMode == TwoMachinesPlay) {
14041 SendToProgram("post\n", &second);
14044 SendToProgram("nopost\n", &first);
14045 thinkOutput[0] = NULLCHAR;
14046 if (gameMode == TwoMachinesPlay) {
14047 SendToProgram("nopost\n", &second);
14050 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
14054 AskQuestionEvent(title, question, replyPrefix, which)
14055 char *title; char *question; char *replyPrefix; char *which;
14057 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
14058 if (pr == NoProc) return;
14059 AskQuestion(title, question, replyPrefix, pr);
14063 DisplayMove(moveNumber)
14066 char message[MSG_SIZ];
14068 char cpThinkOutput[MSG_SIZ];
14070 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
14072 if (moveNumber == forwardMostMove - 1 ||
14073 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14075 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
14077 if (strchr(cpThinkOutput, '\n')) {
14078 *strchr(cpThinkOutput, '\n') = NULLCHAR;
14081 *cpThinkOutput = NULLCHAR;
14084 /* [AS] Hide thinking from human user */
14085 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
14086 *cpThinkOutput = NULLCHAR;
14087 if( thinkOutput[0] != NULLCHAR ) {
14090 for( i=0; i<=hiddenThinkOutputState; i++ ) {
14091 cpThinkOutput[i] = '.';
14093 cpThinkOutput[i] = NULLCHAR;
14094 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14098 if (moveNumber == forwardMostMove - 1 &&
14099 gameInfo.resultDetails != NULL) {
14100 if (gameInfo.resultDetails[0] == NULLCHAR) {
14101 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
14103 snprintf(res, MSG_SIZ, " {%s} %s",
14104 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
14110 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14111 DisplayMessage(res, cpThinkOutput);
14113 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
14114 WhiteOnMove(moveNumber) ? " " : ".. ",
14115 parseList[moveNumber], res);
14116 DisplayMessage(message, cpThinkOutput);
14121 DisplayComment(moveNumber, text)
14125 char title[MSG_SIZ];
14126 char buf[8000]; // comment can be long!
14129 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14130 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
14132 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
14133 WhiteOnMove(moveNumber) ? " " : ".. ",
14134 parseList[moveNumber]);
14136 // [HGM] PV info: display PV info together with (or as) comment
14137 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14138 if(text == NULL) text = "";
14139 score = pvInfoList[moveNumber].score;
14140 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14141 depth, (pvInfoList[moveNumber].time+50)/100, text);
14144 if (text != NULL && (appData.autoDisplayComment || commentUp))
14145 CommentPopUp(title, text);
14148 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14149 * might be busy thinking or pondering. It can be omitted if your
14150 * gnuchess is configured to stop thinking immediately on any user
14151 * input. However, that gnuchess feature depends on the FIONREAD
14152 * ioctl, which does not work properly on some flavors of Unix.
14156 ChessProgramState *cps;
14159 if (!cps->useSigint) return;
14160 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14161 switch (gameMode) {
14162 case MachinePlaysWhite:
14163 case MachinePlaysBlack:
14164 case TwoMachinesPlay:
14165 case IcsPlayingWhite:
14166 case IcsPlayingBlack:
14169 /* Skip if we know it isn't thinking */
14170 if (!cps->maybeThinking) return;
14171 if (appData.debugMode)
14172 fprintf(debugFP, "Interrupting %s\n", cps->which);
14173 InterruptChildProcess(cps->pr);
14174 cps->maybeThinking = FALSE;
14179 #endif /*ATTENTION*/
14185 if (whiteTimeRemaining <= 0) {
14188 if (appData.icsActive) {
14189 if (appData.autoCallFlag &&
14190 gameMode == IcsPlayingBlack && !blackFlag) {
14191 SendToICS(ics_prefix);
14192 SendToICS("flag\n");
14196 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14198 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14199 if (appData.autoCallFlag) {
14200 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14207 if (blackTimeRemaining <= 0) {
14210 if (appData.icsActive) {
14211 if (appData.autoCallFlag &&
14212 gameMode == IcsPlayingWhite && !whiteFlag) {
14213 SendToICS(ics_prefix);
14214 SendToICS("flag\n");
14218 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14220 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14221 if (appData.autoCallFlag) {
14222 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14235 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14236 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14239 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14241 if ( !WhiteOnMove(forwardMostMove) ) {
14242 /* White made time control */
14243 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
14244 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
14245 /* [HGM] time odds: correct new time quota for time odds! */
14246 / WhitePlayer()->timeOdds;
14247 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
14249 lastBlack -= blackTimeRemaining;
14250 /* Black made time control */
14251 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
14252 / WhitePlayer()->other->timeOdds;
14253 lastWhite = whiteTimeRemaining;
14258 DisplayBothClocks()
14260 int wom = gameMode == EditPosition ?
14261 !blackPlaysFirst : WhiteOnMove(currentMove);
14262 DisplayWhiteClock(whiteTimeRemaining, wom);
14263 DisplayBlackClock(blackTimeRemaining, !wom);
14267 /* Timekeeping seems to be a portability nightmare. I think everyone
14268 has ftime(), but I'm really not sure, so I'm including some ifdefs
14269 to use other calls if you don't. Clocks will be less accurate if
14270 you have neither ftime nor gettimeofday.
14273 /* VS 2008 requires the #include outside of the function */
14274 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14275 #include <sys/timeb.h>
14278 /* Get the current time as a TimeMark */
14283 #if HAVE_GETTIMEOFDAY
14285 struct timeval timeVal;
14286 struct timezone timeZone;
14288 gettimeofday(&timeVal, &timeZone);
14289 tm->sec = (long) timeVal.tv_sec;
14290 tm->ms = (int) (timeVal.tv_usec / 1000L);
14292 #else /*!HAVE_GETTIMEOFDAY*/
14295 // include <sys/timeb.h> / moved to just above start of function
14296 struct timeb timeB;
14299 tm->sec = (long) timeB.time;
14300 tm->ms = (int) timeB.millitm;
14302 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14303 tm->sec = (long) time(NULL);
14309 /* Return the difference in milliseconds between two
14310 time marks. We assume the difference will fit in a long!
14313 SubtractTimeMarks(tm2, tm1)
14314 TimeMark *tm2, *tm1;
14316 return 1000L*(tm2->sec - tm1->sec) +
14317 (long) (tm2->ms - tm1->ms);
14322 * Code to manage the game clocks.
14324 * In tournament play, black starts the clock and then white makes a move.
14325 * We give the human user a slight advantage if he is playing white---the
14326 * clocks don't run until he makes his first move, so it takes zero time.
14327 * Also, we don't account for network lag, so we could get out of sync
14328 * with GNU Chess's clock -- but then, referees are always right.
14331 static TimeMark tickStartTM;
14332 static long intendedTickLength;
14335 NextTickLength(timeRemaining)
14336 long timeRemaining;
14338 long nominalTickLength, nextTickLength;
14340 if (timeRemaining > 0L && timeRemaining <= 10000L)
14341 nominalTickLength = 100L;
14343 nominalTickLength = 1000L;
14344 nextTickLength = timeRemaining % nominalTickLength;
14345 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14347 return nextTickLength;
14350 /* Adjust clock one minute up or down */
14352 AdjustClock(Boolean which, int dir)
14354 if(which) blackTimeRemaining += 60000*dir;
14355 else whiteTimeRemaining += 60000*dir;
14356 DisplayBothClocks();
14359 /* Stop clocks and reset to a fresh time control */
14363 (void) StopClockTimer();
14364 if (appData.icsActive) {
14365 whiteTimeRemaining = blackTimeRemaining = 0;
14366 } else if (searchTime) {
14367 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14368 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14369 } else { /* [HGM] correct new time quote for time odds */
14370 whiteTC = blackTC = fullTimeControlString;
14371 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
14372 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
14374 if (whiteFlag || blackFlag) {
14376 whiteFlag = blackFlag = FALSE;
14378 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
14379 DisplayBothClocks();
14382 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14384 /* Decrement running clock by amount of time that has passed */
14388 long timeRemaining;
14389 long lastTickLength, fudge;
14392 if (!appData.clockMode) return;
14393 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14397 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14399 /* Fudge if we woke up a little too soon */
14400 fudge = intendedTickLength - lastTickLength;
14401 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14403 if (WhiteOnMove(forwardMostMove)) {
14404 if(whiteNPS >= 0) lastTickLength = 0;
14405 timeRemaining = whiteTimeRemaining -= lastTickLength;
14406 if(timeRemaining < 0 && !appData.icsActive) {
14407 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
14408 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
14409 whiteStartMove = forwardMostMove; whiteTC = nextSession;
14410 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
14413 DisplayWhiteClock(whiteTimeRemaining - fudge,
14414 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14416 if(blackNPS >= 0) lastTickLength = 0;
14417 timeRemaining = blackTimeRemaining -= lastTickLength;
14418 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
14419 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
14421 blackStartMove = forwardMostMove;
14422 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
14425 DisplayBlackClock(blackTimeRemaining - fudge,
14426 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14428 if (CheckFlags()) return;
14431 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14432 StartClockTimer(intendedTickLength);
14434 /* if the time remaining has fallen below the alarm threshold, sound the
14435 * alarm. if the alarm has sounded and (due to a takeback or time control
14436 * with increment) the time remaining has increased to a level above the
14437 * threshold, reset the alarm so it can sound again.
14440 if (appData.icsActive && appData.icsAlarm) {
14442 /* make sure we are dealing with the user's clock */
14443 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14444 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14447 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14448 alarmSounded = FALSE;
14449 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14451 alarmSounded = TRUE;
14457 /* A player has just moved, so stop the previously running
14458 clock and (if in clock mode) start the other one.
14459 We redisplay both clocks in case we're in ICS mode, because
14460 ICS gives us an update to both clocks after every move.
14461 Note that this routine is called *after* forwardMostMove
14462 is updated, so the last fractional tick must be subtracted
14463 from the color that is *not* on move now.
14466 SwitchClocks(int newMoveNr)
14468 long lastTickLength;
14470 int flagged = FALSE;
14474 if (StopClockTimer() && appData.clockMode) {
14475 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14476 if (!WhiteOnMove(forwardMostMove)) {
14477 if(blackNPS >= 0) lastTickLength = 0;
14478 blackTimeRemaining -= lastTickLength;
14479 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14480 // if(pvInfoList[forwardMostMove-1].time == -1)
14481 pvInfoList[forwardMostMove-1].time = // use GUI time
14482 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14484 if(whiteNPS >= 0) lastTickLength = 0;
14485 whiteTimeRemaining -= lastTickLength;
14486 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14487 // if(pvInfoList[forwardMostMove-1].time == -1)
14488 pvInfoList[forwardMostMove-1].time =
14489 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14491 flagged = CheckFlags();
14493 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14494 CheckTimeControl();
14496 if (flagged || !appData.clockMode) return;
14498 switch (gameMode) {
14499 case MachinePlaysBlack:
14500 case MachinePlaysWhite:
14501 case BeginningOfGame:
14502 if (pausing) return;
14506 case PlayFromGameFile:
14514 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14515 if(WhiteOnMove(forwardMostMove))
14516 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14517 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14521 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14522 whiteTimeRemaining : blackTimeRemaining);
14523 StartClockTimer(intendedTickLength);
14527 /* Stop both clocks */
14531 long lastTickLength;
14534 if (!StopClockTimer()) return;
14535 if (!appData.clockMode) return;
14539 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14540 if (WhiteOnMove(forwardMostMove)) {
14541 if(whiteNPS >= 0) lastTickLength = 0;
14542 whiteTimeRemaining -= lastTickLength;
14543 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14545 if(blackNPS >= 0) lastTickLength = 0;
14546 blackTimeRemaining -= lastTickLength;
14547 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14552 /* Start clock of player on move. Time may have been reset, so
14553 if clock is already running, stop and restart it. */
14557 (void) StopClockTimer(); /* in case it was running already */
14558 DisplayBothClocks();
14559 if (CheckFlags()) return;
14561 if (!appData.clockMode) return;
14562 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14564 GetTimeMark(&tickStartTM);
14565 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14566 whiteTimeRemaining : blackTimeRemaining);
14568 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14569 whiteNPS = blackNPS = -1;
14570 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14571 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14572 whiteNPS = first.nps;
14573 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14574 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14575 blackNPS = first.nps;
14576 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14577 whiteNPS = second.nps;
14578 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14579 blackNPS = second.nps;
14580 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14582 StartClockTimer(intendedTickLength);
14589 long second, minute, hour, day;
14591 static char buf[32];
14593 if (ms > 0 && ms <= 9900) {
14594 /* convert milliseconds to tenths, rounding up */
14595 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14597 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
14601 /* convert milliseconds to seconds, rounding up */
14602 /* use floating point to avoid strangeness of integer division
14603 with negative dividends on many machines */
14604 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14611 day = second / (60 * 60 * 24);
14612 second = second % (60 * 60 * 24);
14613 hour = second / (60 * 60);
14614 second = second % (60 * 60);
14615 minute = second / 60;
14616 second = second % 60;
14619 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
14620 sign, day, hour, minute, second);
14622 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14624 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
14631 * This is necessary because some C libraries aren't ANSI C compliant yet.
14634 StrStr(string, match)
14635 char *string, *match;
14639 length = strlen(match);
14641 for (i = strlen(string) - length; i >= 0; i--, string++)
14642 if (!strncmp(match, string, length))
14649 StrCaseStr(string, match)
14650 char *string, *match;
14654 length = strlen(match);
14656 for (i = strlen(string) - length; i >= 0; i--, string++) {
14657 for (j = 0; j < length; j++) {
14658 if (ToLower(match[j]) != ToLower(string[j]))
14661 if (j == length) return string;
14675 c1 = ToLower(*s1++);
14676 c2 = ToLower(*s2++);
14677 if (c1 > c2) return 1;
14678 if (c1 < c2) return -1;
14679 if (c1 == NULLCHAR) return 0;
14688 return isupper(c) ? tolower(c) : c;
14696 return islower(c) ? toupper(c) : c;
14698 #endif /* !_amigados */
14706 if ((ret = (char *) malloc(strlen(s) + 1)))
14708 safeStrCpy(ret, s, strlen(s)+1);
14714 StrSavePtr(s, savePtr)
14715 char *s, **savePtr;
14720 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14721 safeStrCpy(*savePtr, s, strlen(s)+1);
14733 clock = time((time_t *)NULL);
14734 tm = localtime(&clock);
14735 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
14736 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14737 return StrSave(buf);
14742 PositionToFEN(move, overrideCastling)
14744 char *overrideCastling;
14746 int i, j, fromX, fromY, toX, toY;
14753 whiteToPlay = (gameMode == EditPosition) ?
14754 !blackPlaysFirst : (move % 2 == 0);
14757 /* Piece placement data */
14758 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14760 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14761 if (boards[move][i][j] == EmptySquare) {
14763 } else { ChessSquare piece = boards[move][i][j];
14764 if (emptycount > 0) {
14765 if(emptycount<10) /* [HGM] can be >= 10 */
14766 *p++ = '0' + emptycount;
14767 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14770 if(PieceToChar(piece) == '+') {
14771 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14773 piece = (ChessSquare)(DEMOTED piece);
14775 *p++ = PieceToChar(piece);
14777 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14778 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14783 if (emptycount > 0) {
14784 if(emptycount<10) /* [HGM] can be >= 10 */
14785 *p++ = '0' + emptycount;
14786 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14793 /* [HGM] print Crazyhouse or Shogi holdings */
14794 if( gameInfo.holdingsWidth ) {
14795 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14797 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14798 piece = boards[move][i][BOARD_WIDTH-1];
14799 if( piece != EmptySquare )
14800 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14801 *p++ = PieceToChar(piece);
14803 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14804 piece = boards[move][BOARD_HEIGHT-i-1][0];
14805 if( piece != EmptySquare )
14806 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14807 *p++ = PieceToChar(piece);
14810 if( q == p ) *p++ = '-';
14816 *p++ = whiteToPlay ? 'w' : 'b';
14819 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14820 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14822 if(nrCastlingRights) {
14824 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14825 /* [HGM] write directly from rights */
14826 if(boards[move][CASTLING][2] != NoRights &&
14827 boards[move][CASTLING][0] != NoRights )
14828 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14829 if(boards[move][CASTLING][2] != NoRights &&
14830 boards[move][CASTLING][1] != NoRights )
14831 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14832 if(boards[move][CASTLING][5] != NoRights &&
14833 boards[move][CASTLING][3] != NoRights )
14834 *p++ = boards[move][CASTLING][3] + AAA;
14835 if(boards[move][CASTLING][5] != NoRights &&
14836 boards[move][CASTLING][4] != NoRights )
14837 *p++ = boards[move][CASTLING][4] + AAA;
14840 /* [HGM] write true castling rights */
14841 if( nrCastlingRights == 6 ) {
14842 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14843 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14844 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14845 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14846 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14847 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14848 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14849 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14852 if (q == p) *p++ = '-'; /* No castling rights */
14856 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14857 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14858 /* En passant target square */
14859 if (move > backwardMostMove) {
14860 fromX = moveList[move - 1][0] - AAA;
14861 fromY = moveList[move - 1][1] - ONE;
14862 toX = moveList[move - 1][2] - AAA;
14863 toY = moveList[move - 1][3] - ONE;
14864 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14865 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14866 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14868 /* 2-square pawn move just happened */
14870 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14874 } else if(move == backwardMostMove) {
14875 // [HGM] perhaps we should always do it like this, and forget the above?
14876 if((signed char)boards[move][EP_STATUS] >= 0) {
14877 *p++ = boards[move][EP_STATUS] + AAA;
14878 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14889 /* [HGM] find reversible plies */
14890 { int i = 0, j=move;
14892 if (appData.debugMode) { int k;
14893 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14894 for(k=backwardMostMove; k<=forwardMostMove; k++)
14895 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14899 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14900 if( j == backwardMostMove ) i += initialRulePlies;
14901 sprintf(p, "%d ", i);
14902 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14904 /* Fullmove number */
14905 sprintf(p, "%d", (move / 2) + 1);
14907 return StrSave(buf);
14911 ParseFEN(board, blackPlaysFirst, fen)
14913 int *blackPlaysFirst;
14923 /* [HGM] by default clear Crazyhouse holdings, if present */
14924 if(gameInfo.holdingsWidth) {
14925 for(i=0; i<BOARD_HEIGHT; i++) {
14926 board[i][0] = EmptySquare; /* black holdings */
14927 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14928 board[i][1] = (ChessSquare) 0; /* black counts */
14929 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14933 /* Piece placement data */
14934 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14937 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14938 if (*p == '/') p++;
14939 emptycount = gameInfo.boardWidth - j;
14940 while (emptycount--)
14941 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14943 #if(BOARD_FILES >= 10)
14944 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14945 p++; emptycount=10;
14946 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14947 while (emptycount--)
14948 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14950 } else if (isdigit(*p)) {
14951 emptycount = *p++ - '0';
14952 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14953 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14954 while (emptycount--)
14955 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14956 } else if (*p == '+' || isalpha(*p)) {
14957 if (j >= gameInfo.boardWidth) return FALSE;
14959 piece = CharToPiece(*++p);
14960 if(piece == EmptySquare) return FALSE; /* unknown piece */
14961 piece = (ChessSquare) (PROMOTED piece ); p++;
14962 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14963 } else piece = CharToPiece(*p++);
14965 if(piece==EmptySquare) return FALSE; /* unknown piece */
14966 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14967 piece = (ChessSquare) (PROMOTED piece);
14968 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14971 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14977 while (*p == '/' || *p == ' ') p++;
14979 /* [HGM] look for Crazyhouse holdings here */
14980 while(*p==' ') p++;
14981 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14983 if(*p == '-' ) p++; /* empty holdings */ else {
14984 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14985 /* if we would allow FEN reading to set board size, we would */
14986 /* have to add holdings and shift the board read so far here */
14987 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14989 if((int) piece >= (int) BlackPawn ) {
14990 i = (int)piece - (int)BlackPawn;
14991 i = PieceToNumber((ChessSquare)i);
14992 if( i >= gameInfo.holdingsSize ) return FALSE;
14993 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14994 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14996 i = (int)piece - (int)WhitePawn;
14997 i = PieceToNumber((ChessSquare)i);
14998 if( i >= gameInfo.holdingsSize ) return FALSE;
14999 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
15000 board[i][BOARD_WIDTH-2]++; /* black holdings */
15007 while(*p == ' ') p++;
15011 if(appData.colorNickNames) {
15012 if( c == appData.colorNickNames[0] ) c = 'w'; else
15013 if( c == appData.colorNickNames[1] ) c = 'b';
15017 *blackPlaysFirst = FALSE;
15020 *blackPlaysFirst = TRUE;
15026 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
15027 /* return the extra info in global variiables */
15029 /* set defaults in case FEN is incomplete */
15030 board[EP_STATUS] = EP_UNKNOWN;
15031 for(i=0; i<nrCastlingRights; i++ ) {
15032 board[CASTLING][i] =
15033 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
15034 } /* assume possible unless obviously impossible */
15035 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
15036 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
15037 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
15038 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
15039 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
15040 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
15041 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
15042 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
15045 while(*p==' ') p++;
15046 if(nrCastlingRights) {
15047 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
15048 /* castling indicator present, so default becomes no castlings */
15049 for(i=0; i<nrCastlingRights; i++ ) {
15050 board[CASTLING][i] = NoRights;
15053 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
15054 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
15055 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
15056 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
15057 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
15059 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
15060 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
15061 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
15063 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
15064 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
15065 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
15066 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
15067 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
15068 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
15071 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
15072 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
15073 board[CASTLING][2] = whiteKingFile;
15076 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
15077 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
15078 board[CASTLING][2] = whiteKingFile;
15081 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
15082 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
15083 board[CASTLING][5] = blackKingFile;
15086 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
15087 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
15088 board[CASTLING][5] = blackKingFile;
15091 default: /* FRC castlings */
15092 if(c >= 'a') { /* black rights */
15093 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15094 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
15095 if(i == BOARD_RGHT) break;
15096 board[CASTLING][5] = i;
15098 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
15099 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
15101 board[CASTLING][3] = c;
15103 board[CASTLING][4] = c;
15104 } else { /* white rights */
15105 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15106 if(board[0][i] == WhiteKing) break;
15107 if(i == BOARD_RGHT) break;
15108 board[CASTLING][2] = i;
15109 c -= AAA - 'a' + 'A';
15110 if(board[0][c] >= WhiteKing) break;
15112 board[CASTLING][0] = c;
15114 board[CASTLING][1] = c;
15118 for(i=0; i<nrCastlingRights; i++)
15119 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15120 if (appData.debugMode) {
15121 fprintf(debugFP, "FEN castling rights:");
15122 for(i=0; i<nrCastlingRights; i++)
15123 fprintf(debugFP, " %d", board[CASTLING][i]);
15124 fprintf(debugFP, "\n");
15127 while(*p==' ') p++;
15130 /* read e.p. field in games that know e.p. capture */
15131 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15132 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15134 p++; board[EP_STATUS] = EP_NONE;
15136 char c = *p++ - AAA;
15138 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
15139 if(*p >= '0' && *p <='9') p++;
15140 board[EP_STATUS] = c;
15145 if(sscanf(p, "%d", &i) == 1) {
15146 FENrulePlies = i; /* 50-move ply counter */
15147 /* (The move number is still ignored) */
15154 EditPositionPasteFEN(char *fen)
15157 Board initial_position;
15159 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15160 DisplayError(_("Bad FEN position in clipboard"), 0);
15163 int savedBlackPlaysFirst = blackPlaysFirst;
15164 EditPositionEvent();
15165 blackPlaysFirst = savedBlackPlaysFirst;
15166 CopyBoard(boards[0], initial_position);
15167 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15168 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15169 DisplayBothClocks();
15170 DrawPosition(FALSE, boards[currentMove]);
15175 static char cseq[12] = "\\ ";
15177 Boolean set_cont_sequence(char *new_seq)
15182 // handle bad attempts to set the sequence
15184 return 0; // acceptable error - no debug
15186 len = strlen(new_seq);
15187 ret = (len > 0) && (len < sizeof(cseq));
15189 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
15190 else if (appData.debugMode)
15191 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15196 reformat a source message so words don't cross the width boundary. internal
15197 newlines are not removed. returns the wrapped size (no null character unless
15198 included in source message). If dest is NULL, only calculate the size required
15199 for the dest buffer. lp argument indicats line position upon entry, and it's
15200 passed back upon exit.
15202 int wrap(char *dest, char *src, int count, int width, int *lp)
15204 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15206 cseq_len = strlen(cseq);
15207 old_line = line = *lp;
15208 ansi = len = clen = 0;
15210 for (i=0; i < count; i++)
15212 if (src[i] == '\033')
15215 // if we hit the width, back up
15216 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15218 // store i & len in case the word is too long
15219 old_i = i, old_len = len;
15221 // find the end of the last word
15222 while (i && src[i] != ' ' && src[i] != '\n')
15228 // word too long? restore i & len before splitting it
15229 if ((old_i-i+clen) >= width)
15236 if (i && src[i-1] == ' ')
15239 if (src[i] != ' ' && src[i] != '\n')
15246 // now append the newline and continuation sequence
15251 strncpy(dest+len, cseq, cseq_len);
15259 dest[len] = src[i];
15263 if (src[i] == '\n')
15268 if (dest && appData.debugMode)
15270 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15271 count, width, line, len, *lp);
15272 show_bytes(debugFP, src, count);
15273 fprintf(debugFP, "\ndest: ");
15274 show_bytes(debugFP, dest, len);
15275 fprintf(debugFP, "\n");
15277 *lp = dest ? line : old_line;
15282 // [HGM] vari: routines for shelving variations
15285 PushTail(int firstMove, int lastMove)
15287 int i, j, nrMoves = lastMove - firstMove;
15289 if(appData.icsActive) { // only in local mode
15290 forwardMostMove = currentMove; // mimic old ICS behavior
15293 if(storedGames >= MAX_VARIATIONS-1) return;
15295 // push current tail of game on stack
15296 savedResult[storedGames] = gameInfo.result;
15297 savedDetails[storedGames] = gameInfo.resultDetails;
15298 gameInfo.resultDetails = NULL;
15299 savedFirst[storedGames] = firstMove;
15300 savedLast [storedGames] = lastMove;
15301 savedFramePtr[storedGames] = framePtr;
15302 framePtr -= nrMoves; // reserve space for the boards
15303 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15304 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15305 for(j=0; j<MOVE_LEN; j++)
15306 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15307 for(j=0; j<2*MOVE_LEN; j++)
15308 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15309 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15310 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15311 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15312 pvInfoList[firstMove+i-1].depth = 0;
15313 commentList[framePtr+i] = commentList[firstMove+i];
15314 commentList[firstMove+i] = NULL;
15318 forwardMostMove = firstMove; // truncate game so we can start variation
15319 if(storedGames == 1) GreyRevert(FALSE);
15323 PopTail(Boolean annotate)
15326 char buf[8000], moveBuf[20];
15328 if(appData.icsActive) return FALSE; // only in local mode
15329 if(!storedGames) return FALSE; // sanity
15330 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15333 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15334 nrMoves = savedLast[storedGames] - currentMove;
15337 if(!WhiteOnMove(currentMove))
15338 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
15339 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
15340 for(i=currentMove; i<forwardMostMove; i++) {
15342 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
15343 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
15344 strcat(buf, moveBuf);
15345 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15346 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15350 for(i=1; i<=nrMoves; i++) { // copy last variation back
15351 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15352 for(j=0; j<MOVE_LEN; j++)
15353 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15354 for(j=0; j<2*MOVE_LEN; j++)
15355 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15356 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15357 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15358 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15359 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15360 commentList[currentMove+i] = commentList[framePtr+i];
15361 commentList[framePtr+i] = NULL;
15363 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15364 framePtr = savedFramePtr[storedGames];
15365 gameInfo.result = savedResult[storedGames];
15366 if(gameInfo.resultDetails != NULL) {
15367 free(gameInfo.resultDetails);
15369 gameInfo.resultDetails = savedDetails[storedGames];
15370 forwardMostMove = currentMove + nrMoves;
15371 if(storedGames == 0) GreyRevert(TRUE);
15377 { // remove all shelved variations
15379 for(i=0; i<storedGames; i++) {
15380 if(savedDetails[i])
15381 free(savedDetails[i]);
15382 savedDetails[i] = NULL;
15384 for(i=framePtr; i<MAX_MOVES; i++) {
15385 if(commentList[i]) free(commentList[i]);
15386 commentList[i] = NULL;
15388 framePtr = MAX_MOVES-1;
15393 LoadVariation(int index, char *text)
15394 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15395 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15396 int level = 0, move;
15398 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15399 // first find outermost bracketing variation
15400 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15401 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15402 if(*p == '{') wait = '}'; else
15403 if(*p == '[') wait = ']'; else
15404 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15405 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15407 if(*p == wait) wait = NULLCHAR; // closing ]} found
15410 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15411 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15412 end[1] = NULLCHAR; // clip off comment beyond variation
15413 ToNrEvent(currentMove-1);
15414 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15415 // kludge: use ParsePV() to append variation to game
15416 move = currentMove;
15417 ParsePV(start, TRUE);
15418 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15419 ClearPremoveHighlights();
15421 ToNrEvent(currentMove+1);