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[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
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, MSG_SIZ, _("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, MSG_SIZ);
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, "............");
5354 switch (gameInfo.variant) {
5355 case VariantFischeRandom:
5356 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 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5387 gameInfo.holdingsSize = 7;
5390 pieces = JanusArray;
5391 gameInfo.boardWidth = 10;
5392 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5393 nrCastlingRights = 6;
5394 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5395 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5396 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5397 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5398 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5399 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5402 pieces = FalconArray;
5403 gameInfo.boardWidth = 10;
5404 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5406 case VariantXiangqi:
5407 pieces = XiangqiArray;
5408 gameInfo.boardWidth = 9;
5409 gameInfo.boardHeight = 10;
5410 nrCastlingRights = 0;
5411 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5414 pieces = ShogiArray;
5415 gameInfo.boardWidth = 9;
5416 gameInfo.boardHeight = 9;
5417 gameInfo.holdingsSize = 7;
5418 nrCastlingRights = 0;
5419 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5421 case VariantCourier:
5422 pieces = CourierArray;
5423 gameInfo.boardWidth = 12;
5424 nrCastlingRights = 0;
5425 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5427 case VariantKnightmate:
5428 pieces = KnightmateArray;
5429 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5432 pieces = fairyArray;
5433 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5436 pieces = GreatArray;
5437 gameInfo.boardWidth = 10;
5438 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5439 gameInfo.holdingsSize = 8;
5443 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5444 gameInfo.holdingsSize = 8;
5445 startedFromSetupPosition = TRUE;
5447 case VariantCrazyhouse:
5448 case VariantBughouse:
5450 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5451 gameInfo.holdingsSize = 5;
5453 case VariantWildCastle:
5455 /* !!?shuffle with kings guaranteed to be on d or e file */
5456 shuffleOpenings = 1;
5458 case VariantNoCastle:
5460 nrCastlingRights = 0;
5461 /* !!?unconstrained back-rank shuffle */
5462 shuffleOpenings = 1;
5467 if(appData.NrFiles >= 0) {
5468 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5469 gameInfo.boardWidth = appData.NrFiles;
5471 if(appData.NrRanks >= 0) {
5472 gameInfo.boardHeight = appData.NrRanks;
5474 if(appData.holdingsSize >= 0) {
5475 i = appData.holdingsSize;
5476 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5477 gameInfo.holdingsSize = i;
5479 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5480 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5481 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5483 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5484 if(pawnRow < 1) pawnRow = 1;
5485 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5487 /* User pieceToChar list overrules defaults */
5488 if(appData.pieceToCharTable != NULL)
5489 SetCharTable(pieceToChar, appData.pieceToCharTable);
5491 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5493 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5494 s = (ChessSquare) 0; /* account holding counts in guard band */
5495 for( i=0; i<BOARD_HEIGHT; i++ )
5496 initialPosition[i][j] = s;
5498 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5499 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5500 initialPosition[pawnRow][j] = WhitePawn;
5501 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
5502 if(gameInfo.variant == VariantXiangqi) {
5504 initialPosition[pawnRow][j] =
5505 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5506 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5507 initialPosition[2][j] = WhiteCannon;
5508 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5512 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5514 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5517 initialPosition[1][j] = WhiteBishop;
5518 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5520 initialPosition[1][j] = WhiteRook;
5521 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5524 if( nrCastlingRights == -1) {
5525 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5526 /* This sets default castling rights from none to normal corners */
5527 /* Variants with other castling rights must set them themselves above */
5528 nrCastlingRights = 6;
5530 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5531 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5532 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5533 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5534 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5535 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5538 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5539 if(gameInfo.variant == VariantGreat) { // promotion commoners
5540 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5541 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5542 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5543 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5545 if( gameInfo.variant == VariantSChess ) {
5546 initialPosition[1][0] = BlackMarshall;
5547 initialPosition[2][0] = BlackAngel;
5548 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5549 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5550 initialPosition[1][1] = initialPosition[2][1] =
5551 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5553 if (appData.debugMode) {
5554 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5556 if(shuffleOpenings) {
5557 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5558 startedFromSetupPosition = TRUE;
5560 if(startedFromPositionFile) {
5561 /* [HGM] loadPos: use PositionFile for every new game */
5562 CopyBoard(initialPosition, filePosition);
5563 for(i=0; i<nrCastlingRights; i++)
5564 initialRights[i] = filePosition[CASTLING][i];
5565 startedFromSetupPosition = TRUE;
5568 CopyBoard(boards[0], initialPosition);
5570 if(oldx != gameInfo.boardWidth ||
5571 oldy != gameInfo.boardHeight ||
5572 oldh != gameInfo.holdingsWidth
5574 || oldv == VariantGothic || // For licensing popups
5575 gameInfo.variant == VariantGothic
5578 || oldv == VariantFalcon ||
5579 gameInfo.variant == VariantFalcon
5582 InitDrawingSizes(-2 ,0);
5585 DrawPosition(TRUE, boards[currentMove]);
5589 SendBoard(cps, moveNum)
5590 ChessProgramState *cps;
5593 char message[MSG_SIZ];
5595 if (cps->useSetboard) {
5596 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5597 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
5598 SendToProgram(message, cps);
5604 /* Kludge to set black to move, avoiding the troublesome and now
5605 * deprecated "black" command.
5607 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
5608 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
5610 SendToProgram("edit\n", cps);
5611 SendToProgram("#\n", cps);
5612 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5613 bp = &boards[moveNum][i][BOARD_LEFT];
5614 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5615 if ((int) *bp < (int) BlackPawn) {
5616 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
5618 if(message[0] == '+' || message[0] == '~') {
5619 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5620 PieceToChar((ChessSquare)(DEMOTED *bp)),
5623 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5624 message[1] = BOARD_RGHT - 1 - j + '1';
5625 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5627 SendToProgram(message, cps);
5632 SendToProgram("c\n", cps);
5633 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5634 bp = &boards[moveNum][i][BOARD_LEFT];
5635 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5636 if (((int) *bp != (int) EmptySquare)
5637 && ((int) *bp >= (int) BlackPawn)) {
5638 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5640 if(message[0] == '+' || message[0] == '~') {
5641 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5642 PieceToChar((ChessSquare)(DEMOTED *bp)),
5645 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5646 message[1] = BOARD_RGHT - 1 - j + '1';
5647 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5649 SendToProgram(message, cps);
5654 SendToProgram(".\n", cps);
5656 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5659 static int autoQueen; // [HGM] oneclick
5662 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5664 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5665 /* [HGM] add Shogi promotions */
5666 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5671 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5672 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5674 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5675 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5678 piece = boards[currentMove][fromY][fromX];
5679 if(gameInfo.variant == VariantShogi) {
5680 promotionZoneSize = BOARD_HEIGHT/3;
5681 highestPromotingPiece = (int)WhiteFerz;
5682 } else if(gameInfo.variant == VariantMakruk) {
5683 promotionZoneSize = 3;
5686 // next weed out all moves that do not touch the promotion zone at all
5687 if((int)piece >= BlackPawn) {
5688 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5690 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5692 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5693 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5696 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5698 // weed out mandatory Shogi promotions
5699 if(gameInfo.variant == VariantShogi) {
5700 if(piece >= BlackPawn) {
5701 if(toY == 0 && piece == BlackPawn ||
5702 toY == 0 && piece == BlackQueen ||
5703 toY <= 1 && piece == BlackKnight) {
5708 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5709 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5710 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5717 // weed out obviously illegal Pawn moves
5718 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5719 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5720 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5721 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5722 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5723 // note we are not allowed to test for valid (non-)capture, due to premove
5726 // we either have a choice what to promote to, or (in Shogi) whether to promote
5727 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5728 *promoChoice = PieceToChar(BlackFerz); // no choice
5731 // no sense asking what we must promote to if it is going to explode...
5732 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
5733 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
5736 if(autoQueen) { // predetermined
5737 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5738 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5739 else *promoChoice = PieceToChar(BlackQueen);
5743 // suppress promotion popup on illegal moves that are not premoves
5744 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5745 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5746 if(appData.testLegality && !premove) {
5747 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5748 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
5749 if(moveType != WhitePromotion && moveType != BlackPromotion)
5757 InPalace(row, column)
5759 { /* [HGM] for Xiangqi */
5760 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5761 column < (BOARD_WIDTH + 4)/2 &&
5762 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5767 PieceForSquare (x, y)
5771 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5774 return boards[currentMove][y][x];
5778 OKToStartUserMove(x, y)
5781 ChessSquare from_piece;
5784 if (matchMode) return FALSE;
5785 if (gameMode == EditPosition) return TRUE;
5787 if (x >= 0 && y >= 0)
5788 from_piece = boards[currentMove][y][x];
5790 from_piece = EmptySquare;
5792 if (from_piece == EmptySquare) return FALSE;
5794 white_piece = (int)from_piece >= (int)WhitePawn &&
5795 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5798 case PlayFromGameFile:
5800 case TwoMachinesPlay:
5808 case MachinePlaysWhite:
5809 case IcsPlayingBlack:
5810 if (appData.zippyPlay) return FALSE;
5812 DisplayMoveError(_("You are playing Black"));
5817 case MachinePlaysBlack:
5818 case IcsPlayingWhite:
5819 if (appData.zippyPlay) return FALSE;
5821 DisplayMoveError(_("You are playing White"));
5827 if (!white_piece && WhiteOnMove(currentMove)) {
5828 DisplayMoveError(_("It is White's turn"));
5831 if (white_piece && !WhiteOnMove(currentMove)) {
5832 DisplayMoveError(_("It is Black's turn"));
5835 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5836 /* Editing correspondence game history */
5837 /* Could disallow this or prompt for confirmation */
5842 case BeginningOfGame:
5843 if (appData.icsActive) return FALSE;
5844 if (!appData.noChessProgram) {
5846 DisplayMoveError(_("You are playing White"));
5853 if (!white_piece && WhiteOnMove(currentMove)) {
5854 DisplayMoveError(_("It is White's turn"));
5857 if (white_piece && !WhiteOnMove(currentMove)) {
5858 DisplayMoveError(_("It is Black's turn"));
5867 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5868 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5869 && gameMode != AnalyzeFile && gameMode != Training) {
5870 DisplayMoveError(_("Displayed position is not current"));
5877 OnlyMove(int *x, int *y, Boolean captures) {
5878 DisambiguateClosure cl;
5879 if (appData.zippyPlay) return FALSE;
5881 case MachinePlaysBlack:
5882 case IcsPlayingWhite:
5883 case BeginningOfGame:
5884 if(!WhiteOnMove(currentMove)) return FALSE;
5886 case MachinePlaysWhite:
5887 case IcsPlayingBlack:
5888 if(WhiteOnMove(currentMove)) return FALSE;
5895 cl.pieceIn = EmptySquare;
5900 cl.promoCharIn = NULLCHAR;
5901 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5902 if( cl.kind == NormalMove ||
5903 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5904 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5905 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5912 if(cl.kind != ImpossibleMove) return FALSE;
5913 cl.pieceIn = EmptySquare;
5918 cl.promoCharIn = NULLCHAR;
5919 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5920 if( cl.kind == NormalMove ||
5921 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5922 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5923 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5928 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5934 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5935 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5936 int lastLoadGameUseList = FALSE;
5937 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5938 ChessMove lastLoadGameStart = EndOfFile;
5941 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5942 int fromX, fromY, toX, toY;
5946 ChessSquare pdown, pup;
5948 /* Check if the user is playing in turn. This is complicated because we
5949 let the user "pick up" a piece before it is his turn. So the piece he
5950 tried to pick up may have been captured by the time he puts it down!
5951 Therefore we use the color the user is supposed to be playing in this
5952 test, not the color of the piece that is currently on the starting
5953 square---except in EditGame mode, where the user is playing both
5954 sides; fortunately there the capture race can't happen. (It can
5955 now happen in IcsExamining mode, but that's just too bad. The user
5956 will get a somewhat confusing message in that case.)
5960 case PlayFromGameFile:
5962 case TwoMachinesPlay:
5966 /* We switched into a game mode where moves are not accepted,
5967 perhaps while the mouse button was down. */
5970 case MachinePlaysWhite:
5971 /* User is moving for Black */
5972 if (WhiteOnMove(currentMove)) {
5973 DisplayMoveError(_("It is White's turn"));
5978 case MachinePlaysBlack:
5979 /* User is moving for White */
5980 if (!WhiteOnMove(currentMove)) {
5981 DisplayMoveError(_("It is Black's turn"));
5988 case BeginningOfGame:
5991 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5992 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5993 /* User is moving for Black */
5994 if (WhiteOnMove(currentMove)) {
5995 DisplayMoveError(_("It is White's turn"));
5999 /* User is moving for White */
6000 if (!WhiteOnMove(currentMove)) {
6001 DisplayMoveError(_("It is Black's turn"));
6007 case IcsPlayingBlack:
6008 /* User is moving for Black */
6009 if (WhiteOnMove(currentMove)) {
6010 if (!appData.premove) {
6011 DisplayMoveError(_("It is White's turn"));
6012 } else if (toX >= 0 && toY >= 0) {
6015 premoveFromX = fromX;
6016 premoveFromY = fromY;
6017 premovePromoChar = promoChar;
6019 if (appData.debugMode)
6020 fprintf(debugFP, "Got premove: fromX %d,"
6021 "fromY %d, toX %d, toY %d\n",
6022 fromX, fromY, toX, toY);
6028 case IcsPlayingWhite:
6029 /* User is moving for White */
6030 if (!WhiteOnMove(currentMove)) {
6031 if (!appData.premove) {
6032 DisplayMoveError(_("It is Black's turn"));
6033 } else if (toX >= 0 && toY >= 0) {
6036 premoveFromX = fromX;
6037 premoveFromY = fromY;
6038 premovePromoChar = promoChar;
6040 if (appData.debugMode)
6041 fprintf(debugFP, "Got premove: fromX %d,"
6042 "fromY %d, toX %d, toY %d\n",
6043 fromX, fromY, toX, toY);
6053 /* EditPosition, empty square, or different color piece;
6054 click-click move is possible */
6055 if (toX == -2 || toY == -2) {
6056 boards[0][fromY][fromX] = EmptySquare;
6057 DrawPosition(FALSE, boards[currentMove]);
6059 } else if (toX >= 0 && toY >= 0) {
6060 boards[0][toY][toX] = boards[0][fromY][fromX];
6061 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6062 if(boards[0][fromY][0] != EmptySquare) {
6063 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6064 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6067 if(fromX == BOARD_RGHT+1) {
6068 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6069 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6070 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6073 boards[0][fromY][fromX] = EmptySquare;
6074 DrawPosition(FALSE, boards[currentMove]);
6080 if(toX < 0 || toY < 0) return;
6081 pdown = boards[currentMove][fromY][fromX];
6082 pup = boards[currentMove][toY][toX];
6084 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6085 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
6086 if( pup != EmptySquare ) return;
6087 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6088 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6089 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6090 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6091 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6092 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6093 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6097 /* [HGM] always test for legality, to get promotion info */
6098 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6099 fromY, fromX, toY, toX, promoChar);
6100 /* [HGM] but possibly ignore an IllegalMove result */
6101 if (appData.testLegality) {
6102 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6103 DisplayMoveError(_("Illegal move"));
6108 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6111 /* Common tail of UserMoveEvent and DropMenuEvent */
6113 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6115 int fromX, fromY, toX, toY;
6116 /*char*/int promoChar;
6120 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6121 // [HGM] superchess: suppress promotions to non-available piece
6122 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6123 if(WhiteOnMove(currentMove)) {
6124 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6126 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6130 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6131 move type in caller when we know the move is a legal promotion */
6132 if(moveType == NormalMove && promoChar)
6133 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6135 /* [HGM] <popupFix> The following if has been moved here from
6136 UserMoveEvent(). Because it seemed to belong here (why not allow
6137 piece drops in training games?), and because it can only be
6138 performed after it is known to what we promote. */
6139 if (gameMode == Training) {
6140 /* compare the move played on the board to the next move in the
6141 * game. If they match, display the move and the opponent's response.
6142 * If they don't match, display an error message.
6146 CopyBoard(testBoard, boards[currentMove]);
6147 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6149 if (CompareBoards(testBoard, boards[currentMove+1])) {
6150 ForwardInner(currentMove+1);
6152 /* Autoplay the opponent's response.
6153 * if appData.animate was TRUE when Training mode was entered,
6154 * the response will be animated.
6156 saveAnimate = appData.animate;
6157 appData.animate = animateTraining;
6158 ForwardInner(currentMove+1);
6159 appData.animate = saveAnimate;
6161 /* check for the end of the game */
6162 if (currentMove >= forwardMostMove) {
6163 gameMode = PlayFromGameFile;
6165 SetTrainingModeOff();
6166 DisplayInformation(_("End of game"));
6169 DisplayError(_("Incorrect move"), 0);
6174 /* Ok, now we know that the move is good, so we can kill
6175 the previous line in Analysis Mode */
6176 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6177 && currentMove < forwardMostMove) {
6178 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6179 else forwardMostMove = currentMove;
6182 /* If we need the chess program but it's dead, restart it */
6183 ResurrectChessProgram();
6185 /* A user move restarts a paused game*/
6189 thinkOutput[0] = NULLCHAR;
6191 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6193 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
6195 if (gameMode == BeginningOfGame) {
6196 if (appData.noChessProgram) {
6197 gameMode = EditGame;
6201 gameMode = MachinePlaysBlack;
6204 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6206 if (first.sendName) {
6207 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6208 SendToProgram(buf, &first);
6215 /* Relay move to ICS or chess engine */
6216 if (appData.icsActive) {
6217 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6218 gameMode == IcsExamining) {
6219 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6220 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6222 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6224 // also send plain move, in case ICS does not understand atomic claims
6225 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6229 if (first.sendTime && (gameMode == BeginningOfGame ||
6230 gameMode == MachinePlaysWhite ||
6231 gameMode == MachinePlaysBlack)) {
6232 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6234 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6235 // [HGM] book: if program might be playing, let it use book
6236 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6237 first.maybeThinking = TRUE;
6238 } else SendMoveToProgram(forwardMostMove-1, &first);
6239 if (currentMove == cmailOldMove + 1) {
6240 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6244 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6248 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6254 if (WhiteOnMove(currentMove)) {
6255 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6257 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6261 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6266 case MachinePlaysBlack:
6267 case MachinePlaysWhite:
6268 /* disable certain menu options while machine is thinking */
6269 SetMachineThinkingEnables();
6276 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6278 if(bookHit) { // [HGM] book: simulate book reply
6279 static char bookMove[MSG_SIZ]; // a bit generous?
6281 programStats.nodes = programStats.depth = programStats.time =
6282 programStats.score = programStats.got_only_move = 0;
6283 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6285 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6286 strcat(bookMove, bookHit);
6287 HandleMachineMove(bookMove, &first);
6293 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6300 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6301 Markers *m = (Markers *) closure;
6302 if(rf == fromY && ff == fromX)
6303 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6304 || kind == WhiteCapturesEnPassant
6305 || kind == BlackCapturesEnPassant);
6306 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6310 MarkTargetSquares(int clear)
6313 if(!appData.markers || !appData.highlightDragging ||
6314 !appData.testLegality || gameMode == EditPosition) return;
6316 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6319 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6320 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6321 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6323 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6326 DrawPosition(TRUE, NULL);
6330 Explode(Board board, int fromX, int fromY, int toX, int toY)
6332 if(gameInfo.variant == VariantAtomic &&
6333 (board[toY][toX] != EmptySquare || // capture?
6334 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6335 board[fromY][fromX] == BlackPawn )
6337 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6343 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6345 void LeftClick(ClickType clickType, int xPix, int yPix)
6348 Boolean saveAnimate;
6349 static int second = 0, promotionChoice = 0, dragging = 0;
6350 char promoChoice = NULLCHAR;
6352 if(appData.seekGraph && appData.icsActive && loggedOn &&
6353 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6354 SeekGraphClick(clickType, xPix, yPix, 0);
6358 if (clickType == Press) ErrorPopDown();
6359 MarkTargetSquares(1);
6361 x = EventToSquare(xPix, BOARD_WIDTH);
6362 y = EventToSquare(yPix, BOARD_HEIGHT);
6363 if (!flipView && y >= 0) {
6364 y = BOARD_HEIGHT - 1 - y;
6366 if (flipView && x >= 0) {
6367 x = BOARD_WIDTH - 1 - x;
6370 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6371 if(clickType == Release) return; // ignore upclick of click-click destination
6372 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6373 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6374 if(gameInfo.holdingsWidth &&
6375 (WhiteOnMove(currentMove)
6376 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6377 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6378 // click in right holdings, for determining promotion piece
6379 ChessSquare p = boards[currentMove][y][x];
6380 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6381 if(p != EmptySquare) {
6382 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6387 DrawPosition(FALSE, boards[currentMove]);
6391 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6392 if(clickType == Press
6393 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6394 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6395 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6398 autoQueen = appData.alwaysPromoteToQueen;
6401 gatingPiece = EmptySquare;
6402 if (clickType != Press) {
6403 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6404 DragPieceEnd(xPix, yPix); dragging = 0;
6405 DrawPosition(FALSE, NULL);
6409 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6411 if (OKToStartUserMove(x, y)) {
6415 MarkTargetSquares(0);
6416 DragPieceBegin(xPix, yPix); dragging = 1;
6417 if (appData.highlightDragging) {
6418 SetHighlights(x, y, -1, -1);
6426 if (clickType == Press && gameMode != EditPosition) {
6431 // ignore off-board to clicks
6432 if(y < 0 || x < 0) return;
6434 /* Check if clicking again on the same color piece */
6435 fromP = boards[currentMove][fromY][fromX];
6436 toP = boards[currentMove][y][x];
6437 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6438 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6439 WhitePawn <= toP && toP <= WhiteKing &&
6440 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6441 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6442 (BlackPawn <= fromP && fromP <= BlackKing &&
6443 BlackPawn <= toP && toP <= BlackKing &&
6444 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6445 !(fromP == BlackKing && toP == BlackRook && frc))) {
6446 /* Clicked again on same color piece -- changed his mind */
6447 second = (x == fromX && y == fromY);
6448 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6449 if (appData.highlightDragging) {
6450 SetHighlights(x, y, -1, -1);
6454 if (OKToStartUserMove(x, y)) {
6455 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6456 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6457 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6458 gatingPiece = boards[currentMove][fromY][fromX];
6459 else gatingPiece = EmptySquare;
6461 fromY = y; dragging = 1;
6462 MarkTargetSquares(0);
6463 DragPieceBegin(xPix, yPix);
6466 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6469 // ignore clicks on holdings
6470 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6473 if (clickType == Release && x == fromX && y == fromY) {
6474 DragPieceEnd(xPix, yPix); dragging = 0;
6475 if (appData.animateDragging) {
6476 /* Undo animation damage if any */
6477 DrawPosition(FALSE, NULL);
6480 /* Second up/down in same square; just abort move */
6483 gatingPiece = EmptySquare;
6486 ClearPremoveHighlights();
6488 /* First upclick in same square; start click-click mode */
6489 SetHighlights(x, y, -1, -1);
6494 /* we now have a different from- and (possibly off-board) to-square */
6495 /* Completed move */
6498 saveAnimate = appData.animate;
6499 if (clickType == Press) {
6500 /* Finish clickclick move */
6501 if (appData.animate || appData.highlightLastMove) {
6502 SetHighlights(fromX, fromY, toX, toY);
6507 /* Finish drag move */
6508 if (appData.highlightLastMove) {
6509 SetHighlights(fromX, fromY, toX, toY);
6513 DragPieceEnd(xPix, yPix); dragging = 0;
6514 /* Don't animate move and drag both */
6515 appData.animate = FALSE;
6518 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6519 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6520 ChessSquare piece = boards[currentMove][fromY][fromX];
6521 if(gameMode == EditPosition && piece != EmptySquare &&
6522 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6525 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6526 n = PieceToNumber(piece - (int)BlackPawn);
6527 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6528 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6529 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6531 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6532 n = PieceToNumber(piece);
6533 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6534 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6535 boards[currentMove][n][BOARD_WIDTH-2]++;
6537 boards[currentMove][fromY][fromX] = EmptySquare;
6541 DrawPosition(TRUE, boards[currentMove]);
6545 // off-board moves should not be highlighted
6546 if(x < 0 || y < 0) ClearHighlights();
6548 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
6550 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6551 SetHighlights(fromX, fromY, toX, toY);
6552 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6553 // [HGM] super: promotion to captured piece selected from holdings
6554 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6555 promotionChoice = TRUE;
6556 // kludge follows to temporarily execute move on display, without promoting yet
6557 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6558 boards[currentMove][toY][toX] = p;
6559 DrawPosition(FALSE, boards[currentMove]);
6560 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6561 boards[currentMove][toY][toX] = q;
6562 DisplayMessage("Click in holdings to choose piece", "");
6567 int oldMove = currentMove;
6568 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6569 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6570 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6571 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
6572 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
6573 DrawPosition(TRUE, boards[currentMove]);
6576 appData.animate = saveAnimate;
6577 if (appData.animate || appData.animateDragging) {
6578 /* Undo animation damage if needed */
6579 DrawPosition(FALSE, NULL);
6583 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6584 { // front-end-free part taken out of PieceMenuPopup
6585 int whichMenu; int xSqr, ySqr;
6587 if(seekGraphUp) { // [HGM] seekgraph
6588 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6589 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6593 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6594 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6595 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6596 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6597 if(action == Press) {
6598 originalFlip = flipView;
6599 flipView = !flipView; // temporarily flip board to see game from partners perspective
6600 DrawPosition(TRUE, partnerBoard);
6601 DisplayMessage(partnerStatus, "");
6603 } else if(action == Release) {
6604 flipView = originalFlip;
6605 DrawPosition(TRUE, boards[currentMove]);
6611 xSqr = EventToSquare(x, BOARD_WIDTH);
6612 ySqr = EventToSquare(y, BOARD_HEIGHT);
6613 if (action == Release) UnLoadPV(); // [HGM] pv
6614 if (action != Press) return -2; // return code to be ignored
6617 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6619 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6620 if (xSqr < 0 || ySqr < 0) return -1;
\r
6621 whichMenu = 0; // edit-position menu
6624 if(!appData.icsEngineAnalyze) return -1;
6625 case IcsPlayingWhite:
6626 case IcsPlayingBlack:
6627 if(!appData.zippyPlay) goto noZip;
6630 case MachinePlaysWhite:
6631 case MachinePlaysBlack:
6632 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6633 if (!appData.dropMenu) {
6635 return 2; // flag front-end to grab mouse events
6637 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6638 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6641 if (xSqr < 0 || ySqr < 0) return -1;
6642 if (!appData.dropMenu || appData.testLegality &&
6643 gameInfo.variant != VariantBughouse &&
6644 gameInfo.variant != VariantCrazyhouse) return -1;
6645 whichMenu = 1; // drop menu
6651 if (((*fromX = xSqr) < 0) ||
6652 ((*fromY = ySqr) < 0)) {
6653 *fromX = *fromY = -1;
6657 *fromX = BOARD_WIDTH - 1 - *fromX;
6659 *fromY = BOARD_HEIGHT - 1 - *fromY;
6664 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6666 // char * hint = lastHint;
6667 FrontEndProgramStats stats;
6669 stats.which = cps == &first ? 0 : 1;
6670 stats.depth = cpstats->depth;
6671 stats.nodes = cpstats->nodes;
6672 stats.score = cpstats->score;
6673 stats.time = cpstats->time;
6674 stats.pv = cpstats->movelist;
6675 stats.hint = lastHint;
6676 stats.an_move_index = 0;
6677 stats.an_move_count = 0;
6679 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6680 stats.hint = cpstats->move_name;
6681 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6682 stats.an_move_count = cpstats->nr_moves;
6685 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
6687 SetProgramStats( &stats );
6691 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
6692 { // count all piece types
6694 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
6695 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
6696 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
6699 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
6700 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
6701 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
6702 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
6703 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
6704 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
6709 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
6711 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
6712 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
6714 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
6715 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
6716 if(myPawns == 2 && nMine == 3) // KPP
6717 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
6718 if(myPawns == 1 && nMine == 2) // KP
6719 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6720 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
6721 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
6722 if(myPawns) return FALSE;
6723 if(pCnt[WhiteRook+side])
6724 return pCnt[BlackRook-side] ||
6725 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
6726 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
6727 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
6728 if(pCnt[WhiteCannon+side]) {
6729 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
6730 return majorDefense || pCnt[BlackAlfil-side] >= 2;
6732 if(pCnt[WhiteKnight+side])
6733 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6738 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
6740 VariantClass v = gameInfo.variant;
6742 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
6743 if(v == VariantShatranj) return TRUE; // always winnable through baring
6744 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
6745 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
6747 if(v == VariantXiangqi) {
6748 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
6750 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
6751 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
6752 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
6753 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
6754 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
6755 if(stale) // we have at least one last-rank P plus perhaps C
6756 return majors // KPKX
6757 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
6759 return pCnt[WhiteFerz+side] // KCAK
6760 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
6761 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
6762 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
6764 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
6765 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
6767 if(nMine == 1) return FALSE; // bare King
6768 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
6769 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
6770 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
6771 // by now we have King + 1 piece (or multiple Bishops on the same color)
6772 if(pCnt[WhiteKnight+side])
6773 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
6774 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
6775 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
6777 return (pCnt[BlackKnight-side]); // KBKN, KFKN
6778 if(pCnt[WhiteAlfil+side])
6779 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
6780 if(pCnt[WhiteWazir+side])
6781 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
6788 Adjudicate(ChessProgramState *cps)
6789 { // [HGM] some adjudications useful with buggy engines
6790 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6791 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6792 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6793 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6794 int k, count = 0; static int bare = 1;
6795 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6796 Boolean canAdjudicate = !appData.icsActive;
6798 // most tests only when we understand the game, i.e. legality-checking on
6799 if( appData.testLegality )
6800 { /* [HGM] Some more adjudications for obstinate engines */
6801 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
6802 static int moveCount = 6;
6804 char *reason = NULL;
6806 /* Count what is on board. */
6807 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
6809 /* Some material-based adjudications that have to be made before stalemate test */
6810 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
6811 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6812 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6813 if(canAdjudicate && appData.checkMates) {
6815 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6816 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6817 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6818 "Xboard adjudication: King destroyed", GE_XBOARD );
6823 /* Bare King in Shatranj (loses) or Losers (wins) */
6824 if( nrW == 1 || nrB == 1) {
6825 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6826 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6827 if(canAdjudicate && appData.checkMates) {
6829 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6830 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6831 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6832 "Xboard adjudication: Bare king", GE_XBOARD );
6836 if( gameInfo.variant == VariantShatranj && --bare < 0)
6838 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6839 if(canAdjudicate && appData.checkMates) {
6840 /* but only adjudicate if adjudication enabled */
6842 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6843 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6844 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
6845 "Xboard adjudication: Bare king", GE_XBOARD );
6852 // don't wait for engine to announce game end if we can judge ourselves
6853 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6855 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6856 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6857 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6858 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6861 reason = "Xboard adjudication: 3rd check";
6862 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6872 reason = "Xboard adjudication: Stalemate";
6873 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6874 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6875 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6876 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6877 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6878 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
6879 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
6880 EP_CHECKMATE : EP_WINS);
6881 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6882 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6886 reason = "Xboard adjudication: Checkmate";
6887 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6891 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6893 result = GameIsDrawn; break;
6895 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6897 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6901 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6903 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6904 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6905 GameEnds( result, reason, GE_XBOARD );
6909 /* Next absolutely insufficient mating material. */
6910 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
6911 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
6912 { /* includes KBK, KNK, KK of KBKB with like Bishops */
6914 /* always flag draws, for judging claims */
6915 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6917 if(canAdjudicate && appData.materialDraws) {
6918 /* but only adjudicate them if adjudication enabled */
6919 if(engineOpponent) {
6920 SendToProgram("force\n", engineOpponent); // suppress reply
6921 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6923 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6924 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6929 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6930 if(gameInfo.variant == VariantXiangqi ?
6931 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
6933 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
6934 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
6935 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
6936 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
6938 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6939 { /* if the first 3 moves do not show a tactical win, declare draw */
6940 if(engineOpponent) {
6941 SendToProgram("force\n", engineOpponent); // suppress reply
6942 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6944 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6945 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6948 } else moveCount = 6;
6950 if (appData.debugMode) { int i;
6951 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6952 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6953 appData.drawRepeats);
6954 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6955 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6959 // Repetition draws and 50-move rule can be applied independently of legality testing
6961 /* Check for rep-draws */
6963 for(k = forwardMostMove-2;
6964 k>=backwardMostMove && k>=forwardMostMove-100 &&
6965 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6966 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6969 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6970 /* compare castling rights */
6971 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6972 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6973 rights++; /* King lost rights, while rook still had them */
6974 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6975 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6976 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6977 rights++; /* but at least one rook lost them */
6979 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6980 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6982 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6983 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6984 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6987 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6988 && appData.drawRepeats > 1) {
6989 /* adjudicate after user-specified nr of repeats */
6990 int result = GameIsDrawn;
6991 char *details = "XBoard adjudication: repetition draw";
6992 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6993 // [HGM] xiangqi: check for forbidden perpetuals
6994 int m, ourPerpetual = 1, hisPerpetual = 1;
6995 for(m=forwardMostMove; m>k; m-=2) {
6996 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6997 ourPerpetual = 0; // the current mover did not always check
6998 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6999 hisPerpetual = 0; // the opponent did not always check
7001 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7002 ourPerpetual, hisPerpetual);
7003 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7004 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7005 details = "Xboard adjudication: perpetual checking";
7007 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7008 break; // (or we would have caught him before). Abort repetition-checking loop.
7010 // Now check for perpetual chases
7011 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7012 hisPerpetual = PerpetualChase(k, forwardMostMove);
7013 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7014 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7015 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7016 details = "Xboard adjudication: perpetual chasing";
7018 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7019 break; // Abort repetition-checking loop.
7021 // if neither of us is checking or chasing all the time, or both are, it is draw
7023 if(engineOpponent) {
7024 SendToProgram("force\n", engineOpponent); // suppress reply
7025 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7027 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7028 GameEnds( result, details, GE_XBOARD );
7031 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7032 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7036 /* Now we test for 50-move draws. Determine ply count */
7037 count = forwardMostMove;
7038 /* look for last irreversble move */
7039 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7041 /* if we hit starting position, add initial plies */
7042 if( count == backwardMostMove )
7043 count -= initialRulePlies;
7044 count = forwardMostMove - count;
7045 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7046 // adjust reversible move counter for checks in Xiangqi
7047 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7048 if(i < backwardMostMove) i = backwardMostMove;
7049 while(i <= forwardMostMove) {
7050 lastCheck = inCheck; // check evasion does not count
7051 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7052 if(inCheck || lastCheck) count--; // check does not count
7057 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7058 /* this is used to judge if draw claims are legal */
7059 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7060 if(engineOpponent) {
7061 SendToProgram("force\n", engineOpponent); // suppress reply
7062 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7064 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7065 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7069 /* if draw offer is pending, treat it as a draw claim
7070 * when draw condition present, to allow engines a way to
7071 * claim draws before making their move to avoid a race
7072 * condition occurring after their move
7074 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7076 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7077 p = "Draw claim: 50-move rule";
7078 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7079 p = "Draw claim: 3-fold repetition";
7080 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7081 p = "Draw claim: insufficient mating material";
7082 if( p != NULL && canAdjudicate) {
7083 if(engineOpponent) {
7084 SendToProgram("force\n", engineOpponent); // suppress reply
7085 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7087 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7088 GameEnds( GameIsDrawn, p, GE_XBOARD );
7093 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7094 if(engineOpponent) {
7095 SendToProgram("force\n", engineOpponent); // suppress reply
7096 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7098 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7099 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7105 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7106 { // [HGM] book: this routine intercepts moves to simulate book replies
7107 char *bookHit = NULL;
7109 //first determine if the incoming move brings opponent into his book
7110 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7111 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7112 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7113 if(bookHit != NULL && !cps->bookSuspend) {
7114 // make sure opponent is not going to reply after receiving move to book position
7115 SendToProgram("force\n", cps);
7116 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7118 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7119 // now arrange restart after book miss
7121 // after a book hit we never send 'go', and the code after the call to this routine
7122 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7124 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
7125 SendToProgram(buf, cps);
7126 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7127 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7128 SendToProgram("go\n", cps);
7129 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7130 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7131 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7132 SendToProgram("go\n", cps);
7133 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7135 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7139 ChessProgramState *savedState;
7140 void DeferredBookMove(void)
7142 if(savedState->lastPing != savedState->lastPong)
7143 ScheduleDelayedEvent(DeferredBookMove, 10);
7145 HandleMachineMove(savedMessage, savedState);
7149 HandleMachineMove(message, cps)
7151 ChessProgramState *cps;
7153 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7154 char realname[MSG_SIZ];
7155 int fromX, fromY, toX, toY;
7164 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7166 * Kludge to ignore BEL characters
7168 while (*message == '\007') message++;
7171 * [HGM] engine debug message: ignore lines starting with '#' character
7173 if(cps->debug && *message == '#') return;
7176 * Look for book output
7178 if (cps == &first && bookRequested) {
7179 if (message[0] == '\t' || message[0] == ' ') {
7180 /* Part of the book output is here; append it */
7181 strcat(bookOutput, message);
7182 strcat(bookOutput, " \n");
7184 } else if (bookOutput[0] != NULLCHAR) {
7185 /* All of book output has arrived; display it */
7186 char *p = bookOutput;
7187 while (*p != NULLCHAR) {
7188 if (*p == '\t') *p = ' ';
7191 DisplayInformation(bookOutput);
7192 bookRequested = FALSE;
7193 /* Fall through to parse the current output */
7198 * Look for machine move.
7200 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7201 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7203 /* This method is only useful on engines that support ping */
7204 if (cps->lastPing != cps->lastPong) {
7205 if (gameMode == BeginningOfGame) {
7206 /* Extra move from before last new; ignore */
7207 if (appData.debugMode) {
7208 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7211 if (appData.debugMode) {
7212 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7213 cps->which, gameMode);
7216 SendToProgram("undo\n", cps);
7222 case BeginningOfGame:
7223 /* Extra move from before last reset; ignore */
7224 if (appData.debugMode) {
7225 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7232 /* Extra move after we tried to stop. The mode test is
7233 not a reliable way of detecting this problem, but it's
7234 the best we can do on engines that don't support ping.
7236 if (appData.debugMode) {
7237 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7238 cps->which, gameMode);
7240 SendToProgram("undo\n", cps);
7243 case MachinePlaysWhite:
7244 case IcsPlayingWhite:
7245 machineWhite = TRUE;
7248 case MachinePlaysBlack:
7249 case IcsPlayingBlack:
7250 machineWhite = FALSE;
7253 case TwoMachinesPlay:
7254 machineWhite = (cps->twoMachinesColor[0] == 'w');
7257 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7258 if (appData.debugMode) {
7260 "Ignoring move out of turn by %s, gameMode %d"
7261 ", forwardMost %d\n",
7262 cps->which, gameMode, forwardMostMove);
7267 if (appData.debugMode) { int f = forwardMostMove;
7268 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7269 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7270 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7272 if(cps->alphaRank) AlphaRank(machineMove, 4);
7273 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7274 &fromX, &fromY, &toX, &toY, &promoChar)) {
7275 /* Machine move could not be parsed; ignore it. */
7276 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7277 machineMove, cps->which);
7278 DisplayError(buf1, 0);
7279 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7280 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7281 if (gameMode == TwoMachinesPlay) {
7282 GameEnds(machineWhite ? BlackWins : WhiteWins,
7288 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7289 /* So we have to redo legality test with true e.p. status here, */
7290 /* to make sure an illegal e.p. capture does not slip through, */
7291 /* to cause a forfeit on a justified illegal-move complaint */
7292 /* of the opponent. */
7293 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7295 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7296 fromY, fromX, toY, toX, promoChar);
7297 if (appData.debugMode) {
7299 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7300 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7301 fprintf(debugFP, "castling rights\n");
7303 if(moveType == IllegalMove) {
7304 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7305 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7306 GameEnds(machineWhite ? BlackWins : WhiteWins,
7309 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7310 /* [HGM] Kludge to handle engines that send FRC-style castling
7311 when they shouldn't (like TSCP-Gothic) */
7313 case WhiteASideCastleFR:
7314 case BlackASideCastleFR:
7316 currentMoveString[2]++;
7318 case WhiteHSideCastleFR:
7319 case BlackHSideCastleFR:
7321 currentMoveString[2]--;
7323 default: ; // nothing to do, but suppresses warning of pedantic compilers
7326 hintRequested = FALSE;
7327 lastHint[0] = NULLCHAR;
7328 bookRequested = FALSE;
7329 /* Program may be pondering now */
7330 cps->maybeThinking = TRUE;
7331 if (cps->sendTime == 2) cps->sendTime = 1;
7332 if (cps->offeredDraw) cps->offeredDraw--;
7334 /* currentMoveString is set as a side-effect of ParseOneMove */
7335 safeStrCpy(machineMove, currentMoveString, sizeof(machineMove)/sizeof(machineMove[0]));
7336 strcat(machineMove, "\n");
7337 safeStrCpy(moveList[forwardMostMove], machineMove, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
7339 /* [AS] Save move info*/
7340 pvInfoList[ forwardMostMove ].score = programStats.score;
7341 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7342 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7344 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7346 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7347 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7350 while( count < adjudicateLossPlies ) {
7351 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7354 score = -score; /* Flip score for winning side */
7357 if( score > adjudicateLossThreshold ) {
7364 if( count >= adjudicateLossPlies ) {
7365 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7367 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7368 "Xboard adjudication",
7375 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7378 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7380 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7381 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7383 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7385 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7387 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7388 char buf[3*MSG_SIZ];
7390 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7391 programStats.score / 100.,
7393 programStats.time / 100.,
7394 (unsigned int)programStats.nodes,
7395 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7396 programStats.movelist);
7398 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7403 /* [AS] Clear stats for next move */
7404 ClearProgramStats();
7405 thinkOutput[0] = NULLCHAR;
7406 hiddenThinkOutputState = 0;
7409 if (gameMode == TwoMachinesPlay) {
7410 /* [HGM] relaying draw offers moved to after reception of move */
7411 /* and interpreting offer as claim if it brings draw condition */
7412 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7413 SendToProgram("draw\n", cps->other);
7415 if (cps->other->sendTime) {
7416 SendTimeRemaining(cps->other,
7417 cps->other->twoMachinesColor[0] == 'w');
7419 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7420 if (firstMove && !bookHit) {
7422 if (cps->other->useColors) {
7423 SendToProgram(cps->other->twoMachinesColor, cps->other);
7425 SendToProgram("go\n", cps->other);
7427 cps->other->maybeThinking = TRUE;
7430 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7432 if (!pausing && appData.ringBellAfterMoves) {
7437 * Reenable menu items that were disabled while
7438 * machine was thinking
7440 if (gameMode != TwoMachinesPlay)
7441 SetUserThinkingEnables();
7443 // [HGM] book: after book hit opponent has received move and is now in force mode
7444 // force the book reply into it, and then fake that it outputted this move by jumping
7445 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7447 static char bookMove[MSG_SIZ]; // a bit generous?
7449 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7450 strcat(bookMove, bookHit);
7453 programStats.nodes = programStats.depth = programStats.time =
7454 programStats.score = programStats.got_only_move = 0;
7455 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7457 if(cps->lastPing != cps->lastPong) {
7458 savedMessage = message; // args for deferred call
7460 ScheduleDelayedEvent(DeferredBookMove, 10);
7469 /* Set special modes for chess engines. Later something general
7470 * could be added here; for now there is just one kludge feature,
7471 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7472 * when "xboard" is given as an interactive command.
7474 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7475 cps->useSigint = FALSE;
7476 cps->useSigterm = FALSE;
7478 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7479 ParseFeatures(message+8, cps);
7480 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7483 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
7484 int dummy, s=6; char buf[MSG_SIZ];
7485 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
7486 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
7487 ParseFEN(boards[0], &dummy, message+s);
7488 DrawPosition(TRUE, boards[0]);
7489 startedFromSetupPosition = TRUE;
7492 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7493 * want this, I was asked to put it in, and obliged.
7495 if (!strncmp(message, "setboard ", 9)) {
7496 Board initial_position;
7498 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7500 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7501 DisplayError(_("Bad FEN received from engine"), 0);
7505 CopyBoard(boards[0], initial_position);
7506 initialRulePlies = FENrulePlies;
7507 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7508 else gameMode = MachinePlaysBlack;
7509 DrawPosition(FALSE, boards[currentMove]);
7515 * Look for communication commands
7517 if (!strncmp(message, "telluser ", 9)) {
7518 if(message[9] == '\\' && message[10] == '\\')
7519 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
7520 DisplayNote(message + 9);
7523 if (!strncmp(message, "tellusererror ", 14)) {
7525 if(message[14] == '\\' && message[15] == '\\')
7526 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
7527 DisplayError(message + 14, 0);
7530 if (!strncmp(message, "tellopponent ", 13)) {
7531 if (appData.icsActive) {
7533 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7537 DisplayNote(message + 13);
7541 if (!strncmp(message, "tellothers ", 11)) {
7542 if (appData.icsActive) {
7544 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7550 if (!strncmp(message, "tellall ", 8)) {
7551 if (appData.icsActive) {
7553 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7557 DisplayNote(message + 8);
7561 if (strncmp(message, "warning", 7) == 0) {
7562 /* Undocumented feature, use tellusererror in new code */
7563 DisplayError(message, 0);
7566 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7567 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
7568 strcat(realname, " query");
7569 AskQuestion(realname, buf2, buf1, cps->pr);
7572 /* Commands from the engine directly to ICS. We don't allow these to be
7573 * sent until we are logged on. Crafty kibitzes have been known to
7574 * interfere with the login process.
7577 if (!strncmp(message, "tellics ", 8)) {
7578 SendToICS(message + 8);
7582 if (!strncmp(message, "tellicsnoalias ", 15)) {
7583 SendToICS(ics_prefix);
7584 SendToICS(message + 15);
7588 /* The following are for backward compatibility only */
7589 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7590 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7591 SendToICS(ics_prefix);
7597 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7601 * If the move is illegal, cancel it and redraw the board.
7602 * Also deal with other error cases. Matching is rather loose
7603 * here to accommodate engines written before the spec.
7605 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7606 strncmp(message, "Error", 5) == 0) {
7607 if (StrStr(message, "name") ||
7608 StrStr(message, "rating") || StrStr(message, "?") ||
7609 StrStr(message, "result") || StrStr(message, "board") ||
7610 StrStr(message, "bk") || StrStr(message, "computer") ||
7611 StrStr(message, "variant") || StrStr(message, "hint") ||
7612 StrStr(message, "random") || StrStr(message, "depth") ||
7613 StrStr(message, "accepted")) {
7616 if (StrStr(message, "protover")) {
7617 /* Program is responding to input, so it's apparently done
7618 initializing, and this error message indicates it is
7619 protocol version 1. So we don't need to wait any longer
7620 for it to initialize and send feature commands. */
7621 FeatureDone(cps, 1);
7622 cps->protocolVersion = 1;
7625 cps->maybeThinking = FALSE;
7627 if (StrStr(message, "draw")) {
7628 /* Program doesn't have "draw" command */
7629 cps->sendDrawOffers = 0;
7632 if (cps->sendTime != 1 &&
7633 (StrStr(message, "time") || StrStr(message, "otim"))) {
7634 /* Program apparently doesn't have "time" or "otim" command */
7638 if (StrStr(message, "analyze")) {
7639 cps->analysisSupport = FALSE;
7640 cps->analyzing = FALSE;
7642 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
7643 DisplayError(buf2, 0);
7646 if (StrStr(message, "(no matching move)st")) {
7647 /* Special kludge for GNU Chess 4 only */
7648 cps->stKludge = TRUE;
7649 SendTimeControl(cps, movesPerSession, timeControl,
7650 timeIncrement, appData.searchDepth,
7654 if (StrStr(message, "(no matching move)sd")) {
7655 /* Special kludge for GNU Chess 4 only */
7656 cps->sdKludge = TRUE;
7657 SendTimeControl(cps, movesPerSession, timeControl,
7658 timeIncrement, appData.searchDepth,
7662 if (!StrStr(message, "llegal")) {
7665 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7666 gameMode == IcsIdle) return;
7667 if (forwardMostMove <= backwardMostMove) return;
7668 if (pausing) PauseEvent();
7669 if(appData.forceIllegal) {
7670 // [HGM] illegal: machine refused move; force position after move into it
7671 SendToProgram("force\n", cps);
7672 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7673 // we have a real problem now, as SendBoard will use the a2a3 kludge
7674 // when black is to move, while there might be nothing on a2 or black
7675 // might already have the move. So send the board as if white has the move.
7676 // But first we must change the stm of the engine, as it refused the last move
7677 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7678 if(WhiteOnMove(forwardMostMove)) {
7679 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7680 SendBoard(cps, forwardMostMove); // kludgeless board
7682 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7683 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7684 SendBoard(cps, forwardMostMove+1); // kludgeless board
7686 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7687 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7688 gameMode == TwoMachinesPlay)
7689 SendToProgram("go\n", cps);
7692 if (gameMode == PlayFromGameFile) {
7693 /* Stop reading this game file */
7694 gameMode = EditGame;
7697 currentMove = forwardMostMove-1;
7698 DisplayMove(currentMove-1); /* before DisplayMoveError */
7699 SwitchClocks(forwardMostMove-1); // [HGM] race
7700 DisplayBothClocks();
7701 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
7702 parseList[currentMove], cps->which);
7703 DisplayMoveError(buf1);
7704 DrawPosition(FALSE, boards[currentMove]);
7706 /* [HGM] illegal-move claim should forfeit game when Xboard */
7707 /* only passes fully legal moves */
7708 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7709 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7710 "False illegal-move claim", GE_XBOARD );
7714 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7715 /* Program has a broken "time" command that
7716 outputs a string not ending in newline.
7722 * If chess program startup fails, exit with an error message.
7723 * Attempts to recover here are futile.
7725 if ((StrStr(message, "unknown host") != NULL)
7726 || (StrStr(message, "No remote directory") != NULL)
7727 || (StrStr(message, "not found") != NULL)
7728 || (StrStr(message, "No such file") != NULL)
7729 || (StrStr(message, "can't alloc") != NULL)
7730 || (StrStr(message, "Permission denied") != NULL)) {
7732 cps->maybeThinking = FALSE;
7733 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7734 cps->which, cps->program, cps->host, message);
7735 RemoveInputSource(cps->isr);
7736 DisplayFatalError(buf1, 0, 1);
7741 * Look for hint output
7743 if (sscanf(message, "Hint: %s", buf1) == 1) {
7744 if (cps == &first && hintRequested) {
7745 hintRequested = FALSE;
7746 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7747 &fromX, &fromY, &toX, &toY, &promoChar)) {
7748 (void) CoordsToAlgebraic(boards[forwardMostMove],
7749 PosFlags(forwardMostMove),
7750 fromY, fromX, toY, toX, promoChar, buf1);
7751 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7752 DisplayInformation(buf2);
7754 /* Hint move could not be parsed!? */
7755 snprintf(buf2, sizeof(buf2),
7756 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7758 DisplayError(buf2, 0);
7761 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
7767 * Ignore other messages if game is not in progress
7769 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7770 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7773 * look for win, lose, draw, or draw offer
7775 if (strncmp(message, "1-0", 3) == 0) {
7776 char *p, *q, *r = "";
7777 p = strchr(message, '{');
7785 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7787 } else if (strncmp(message, "0-1", 3) == 0) {
7788 char *p, *q, *r = "";
7789 p = strchr(message, '{');
7797 /* Kludge for Arasan 4.1 bug */
7798 if (strcmp(r, "Black resigns") == 0) {
7799 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7802 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7804 } else if (strncmp(message, "1/2", 3) == 0) {
7805 char *p, *q, *r = "";
7806 p = strchr(message, '{');
7815 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7818 } else if (strncmp(message, "White resign", 12) == 0) {
7819 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7821 } else if (strncmp(message, "Black resign", 12) == 0) {
7822 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7824 } else if (strncmp(message, "White matches", 13) == 0 ||
7825 strncmp(message, "Black matches", 13) == 0 ) {
7826 /* [HGM] ignore GNUShogi noises */
7828 } else if (strncmp(message, "White", 5) == 0 &&
7829 message[5] != '(' &&
7830 StrStr(message, "Black") == NULL) {
7831 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7833 } else if (strncmp(message, "Black", 5) == 0 &&
7834 message[5] != '(') {
7835 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7837 } else if (strcmp(message, "resign") == 0 ||
7838 strcmp(message, "computer resigns") == 0) {
7840 case MachinePlaysBlack:
7841 case IcsPlayingBlack:
7842 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7844 case MachinePlaysWhite:
7845 case IcsPlayingWhite:
7846 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7848 case TwoMachinesPlay:
7849 if (cps->twoMachinesColor[0] == 'w')
7850 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7852 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7859 } else if (strncmp(message, "opponent mates", 14) == 0) {
7861 case MachinePlaysBlack:
7862 case IcsPlayingBlack:
7863 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7865 case MachinePlaysWhite:
7866 case IcsPlayingWhite:
7867 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7869 case TwoMachinesPlay:
7870 if (cps->twoMachinesColor[0] == 'w')
7871 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7873 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7880 } else if (strncmp(message, "computer mates", 14) == 0) {
7882 case MachinePlaysBlack:
7883 case IcsPlayingBlack:
7884 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7886 case MachinePlaysWhite:
7887 case IcsPlayingWhite:
7888 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7890 case TwoMachinesPlay:
7891 if (cps->twoMachinesColor[0] == 'w')
7892 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7894 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7901 } else if (strncmp(message, "checkmate", 9) == 0) {
7902 if (WhiteOnMove(forwardMostMove)) {
7903 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7905 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7908 } else if (strstr(message, "Draw") != NULL ||
7909 strstr(message, "game is a draw") != NULL) {
7910 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7912 } else if (strstr(message, "offer") != NULL &&
7913 strstr(message, "draw") != NULL) {
7915 if (appData.zippyPlay && first.initDone) {
7916 /* Relay offer to ICS */
7917 SendToICS(ics_prefix);
7918 SendToICS("draw\n");
7921 cps->offeredDraw = 2; /* valid until this engine moves twice */
7922 if (gameMode == TwoMachinesPlay) {
7923 if (cps->other->offeredDraw) {
7924 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7925 /* [HGM] in two-machine mode we delay relaying draw offer */
7926 /* until after we also have move, to see if it is really claim */
7928 } else if (gameMode == MachinePlaysWhite ||
7929 gameMode == MachinePlaysBlack) {
7930 if (userOfferedDraw) {
7931 DisplayInformation(_("Machine accepts your draw offer"));
7932 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7934 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7941 * Look for thinking output
7943 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7944 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7946 int plylev, mvleft, mvtot, curscore, time;
7947 char mvname[MOVE_LEN];
7951 int prefixHint = FALSE;
7952 mvname[0] = NULLCHAR;
7955 case MachinePlaysBlack:
7956 case IcsPlayingBlack:
7957 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7959 case MachinePlaysWhite:
7960 case IcsPlayingWhite:
7961 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7966 case IcsObserving: /* [DM] icsEngineAnalyze */
7967 if (!appData.icsEngineAnalyze) ignore = TRUE;
7969 case TwoMachinesPlay:
7970 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7980 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7982 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7983 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7985 if (plyext != ' ' && plyext != '\t') {
7989 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7990 if( cps->scoreIsAbsolute &&
7991 ( gameMode == MachinePlaysBlack ||
7992 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7993 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7994 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7995 !WhiteOnMove(currentMove)
7998 curscore = -curscore;
8002 tempStats.depth = plylev;
8003 tempStats.nodes = nodes;
8004 tempStats.time = time;
8005 tempStats.score = curscore;
8006 tempStats.got_only_move = 0;
8008 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8011 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8012 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8013 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8014 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8015 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8016 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8017 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8018 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8021 /* Buffer overflow protection */
8022 if (buf1[0] != NULLCHAR) {
8023 if (strlen(buf1) >= sizeof(tempStats.movelist)
8024 && appData.debugMode) {
8026 "PV is too long; using the first %u bytes.\n",
8027 (unsigned) sizeof(tempStats.movelist) - 1);
8030 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8032 sprintf(tempStats.movelist, " no PV\n");
8035 if (tempStats.seen_stat) {
8036 tempStats.ok_to_send = 1;
8039 if (strchr(tempStats.movelist, '(') != NULL) {
8040 tempStats.line_is_book = 1;
8041 tempStats.nr_moves = 0;
8042 tempStats.moves_left = 0;
8044 tempStats.line_is_book = 0;
8047 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8048 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8050 SendProgramStatsToFrontend( cps, &tempStats );
8053 [AS] Protect the thinkOutput buffer from overflow... this
8054 is only useful if buf1 hasn't overflowed first!
8056 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8058 (gameMode == TwoMachinesPlay ?
8059 ToUpper(cps->twoMachinesColor[0]) : ' '),
8060 ((double) curscore) / 100.0,
8061 prefixHint ? lastHint : "",
8062 prefixHint ? " " : "" );
8064 if( buf1[0] != NULLCHAR ) {
8065 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8067 if( strlen(buf1) > max_len ) {
8068 if( appData.debugMode) {
8069 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8071 buf1[max_len+1] = '\0';
8074 strcat( thinkOutput, buf1 );
8077 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8078 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8079 DisplayMove(currentMove - 1);
8083 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8084 /* crafty (9.25+) says "(only move) <move>"
8085 * if there is only 1 legal move
8087 sscanf(p, "(only move) %s", buf1);
8088 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8089 sprintf(programStats.movelist, "%s (only move)", buf1);
8090 programStats.depth = 1;
8091 programStats.nr_moves = 1;
8092 programStats.moves_left = 1;
8093 programStats.nodes = 1;
8094 programStats.time = 1;
8095 programStats.got_only_move = 1;
8097 /* Not really, but we also use this member to
8098 mean "line isn't going to change" (Crafty
8099 isn't searching, so stats won't change) */
8100 programStats.line_is_book = 1;
8102 SendProgramStatsToFrontend( cps, &programStats );
8104 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8105 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8106 DisplayMove(currentMove - 1);
8109 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8110 &time, &nodes, &plylev, &mvleft,
8111 &mvtot, mvname) >= 5) {
8112 /* The stat01: line is from Crafty (9.29+) in response
8113 to the "." command */
8114 programStats.seen_stat = 1;
8115 cps->maybeThinking = TRUE;
8117 if (programStats.got_only_move || !appData.periodicUpdates)
8120 programStats.depth = plylev;
8121 programStats.time = time;
8122 programStats.nodes = nodes;
8123 programStats.moves_left = mvleft;
8124 programStats.nr_moves = mvtot;
8125 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8126 programStats.ok_to_send = 1;
8127 programStats.movelist[0] = '\0';
8129 SendProgramStatsToFrontend( cps, &programStats );
8133 } else if (strncmp(message,"++",2) == 0) {
8134 /* Crafty 9.29+ outputs this */
8135 programStats.got_fail = 2;
8138 } else if (strncmp(message,"--",2) == 0) {
8139 /* Crafty 9.29+ outputs this */
8140 programStats.got_fail = 1;
8143 } else if (thinkOutput[0] != NULLCHAR &&
8144 strncmp(message, " ", 4) == 0) {
8145 unsigned message_len;
8148 while (*p && *p == ' ') p++;
8150 message_len = strlen( p );
8152 /* [AS] Avoid buffer overflow */
8153 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8154 strcat(thinkOutput, " ");
8155 strcat(thinkOutput, p);
8158 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8159 strcat(programStats.movelist, " ");
8160 strcat(programStats.movelist, p);
8163 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8164 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8165 DisplayMove(currentMove - 1);
8173 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8174 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8176 ChessProgramStats cpstats;
8178 if (plyext != ' ' && plyext != '\t') {
8182 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8183 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8184 curscore = -curscore;
8187 cpstats.depth = plylev;
8188 cpstats.nodes = nodes;
8189 cpstats.time = time;
8190 cpstats.score = curscore;
8191 cpstats.got_only_move = 0;
8192 cpstats.movelist[0] = '\0';
8194 if (buf1[0] != NULLCHAR) {
8195 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8198 cpstats.ok_to_send = 0;
8199 cpstats.line_is_book = 0;
8200 cpstats.nr_moves = 0;
8201 cpstats.moves_left = 0;
8203 SendProgramStatsToFrontend( cps, &cpstats );
8210 /* Parse a game score from the character string "game", and
8211 record it as the history of the current game. The game
8212 score is NOT assumed to start from the standard position.
8213 The display is not updated in any way.
8216 ParseGameHistory(game)
8220 int fromX, fromY, toX, toY, boardIndex;
8225 if (appData.debugMode)
8226 fprintf(debugFP, "Parsing game history: %s\n", game);
8228 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8229 gameInfo.site = StrSave(appData.icsHost);
8230 gameInfo.date = PGNDate();
8231 gameInfo.round = StrSave("-");
8233 /* Parse out names of players */
8234 while (*game == ' ') game++;
8236 while (*game != ' ') *p++ = *game++;
8238 gameInfo.white = StrSave(buf);
8239 while (*game == ' ') game++;
8241 while (*game != ' ' && *game != '\n') *p++ = *game++;
8243 gameInfo.black = StrSave(buf);
8246 boardIndex = blackPlaysFirst ? 1 : 0;
8249 yyboardindex = boardIndex;
8250 moveType = (ChessMove) Myylex();
8252 case IllegalMove: /* maybe suicide chess, etc. */
8253 if (appData.debugMode) {
8254 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8255 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8256 setbuf(debugFP, NULL);
8258 case WhitePromotion:
8259 case BlackPromotion:
8260 case WhiteNonPromotion:
8261 case BlackNonPromotion:
8263 case WhiteCapturesEnPassant:
8264 case BlackCapturesEnPassant:
8265 case WhiteKingSideCastle:
8266 case WhiteQueenSideCastle:
8267 case BlackKingSideCastle:
8268 case BlackQueenSideCastle:
8269 case WhiteKingSideCastleWild:
8270 case WhiteQueenSideCastleWild:
8271 case BlackKingSideCastleWild:
8272 case BlackQueenSideCastleWild:
8274 case WhiteHSideCastleFR:
8275 case WhiteASideCastleFR:
8276 case BlackHSideCastleFR:
8277 case BlackASideCastleFR:
8279 fromX = currentMoveString[0] - AAA;
8280 fromY = currentMoveString[1] - ONE;
8281 toX = currentMoveString[2] - AAA;
8282 toY = currentMoveString[3] - ONE;
8283 promoChar = currentMoveString[4];
8287 fromX = moveType == WhiteDrop ?
8288 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8289 (int) CharToPiece(ToLower(currentMoveString[0]));
8291 toX = currentMoveString[2] - AAA;
8292 toY = currentMoveString[3] - ONE;
8293 promoChar = NULLCHAR;
8297 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8298 if (appData.debugMode) {
8299 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8300 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8301 setbuf(debugFP, NULL);
8303 DisplayError(buf, 0);
8305 case ImpossibleMove:
8307 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8308 if (appData.debugMode) {
8309 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8310 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8311 setbuf(debugFP, NULL);
8313 DisplayError(buf, 0);
8316 if (boardIndex < backwardMostMove) {
8317 /* Oops, gap. How did that happen? */
8318 DisplayError(_("Gap in move list"), 0);
8321 backwardMostMove = blackPlaysFirst ? 1 : 0;
8322 if (boardIndex > forwardMostMove) {
8323 forwardMostMove = boardIndex;
8327 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8328 strcat(parseList[boardIndex-1], " ");
8329 strcat(parseList[boardIndex-1], yy_text);
8341 case GameUnfinished:
8342 if (gameMode == IcsExamining) {
8343 if (boardIndex < backwardMostMove) {
8344 /* Oops, gap. How did that happen? */
8347 backwardMostMove = blackPlaysFirst ? 1 : 0;
8350 gameInfo.result = moveType;
8351 p = strchr(yy_text, '{');
8352 if (p == NULL) p = strchr(yy_text, '(');
8355 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8357 q = strchr(p, *p == '{' ? '}' : ')');
8358 if (q != NULL) *q = NULLCHAR;
8361 gameInfo.resultDetails = StrSave(p);
8364 if (boardIndex >= forwardMostMove &&
8365 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8366 backwardMostMove = blackPlaysFirst ? 1 : 0;
8369 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8370 fromY, fromX, toY, toX, promoChar,
8371 parseList[boardIndex]);
8372 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8373 /* currentMoveString is set as a side-effect of yylex */
8374 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8375 strcat(moveList[boardIndex], "\n");
8377 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8378 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8384 if(gameInfo.variant != VariantShogi)
8385 strcat(parseList[boardIndex - 1], "+");
8389 strcat(parseList[boardIndex - 1], "#");
8396 /* Apply a move to the given board */
8398 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8399 int fromX, fromY, toX, toY;
8403 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8404 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8406 /* [HGM] compute & store e.p. status and castling rights for new position */
8407 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8409 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8410 oldEP = (signed char)board[EP_STATUS];
8411 board[EP_STATUS] = EP_NONE;
8413 if( board[toY][toX] != EmptySquare )
8414 board[EP_STATUS] = EP_CAPTURE;
8416 if (fromY == DROP_RANK) {
8418 piece = board[toY][toX] = (ChessSquare) fromX;
8422 if( board[fromY][fromX] == WhitePawn ) {
8423 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8424 board[EP_STATUS] = EP_PAWN_MOVE;
8426 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8427 gameInfo.variant != VariantBerolina || toX < fromX)
8428 board[EP_STATUS] = toX | berolina;
8429 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8430 gameInfo.variant != VariantBerolina || toX > fromX)
8431 board[EP_STATUS] = toX;
8434 if( board[fromY][fromX] == BlackPawn ) {
8435 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8436 board[EP_STATUS] = EP_PAWN_MOVE;
8437 if( toY-fromY== -2) {
8438 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8439 gameInfo.variant != VariantBerolina || toX < fromX)
8440 board[EP_STATUS] = toX | berolina;
8441 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8442 gameInfo.variant != VariantBerolina || toX > fromX)
8443 board[EP_STATUS] = toX;
8447 for(i=0; i<nrCastlingRights; i++) {
8448 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8449 board[CASTLING][i] == toX && castlingRank[i] == toY
8450 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8453 if (fromX == toX && fromY == toY) return;
8455 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8456 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8457 if(gameInfo.variant == VariantKnightmate)
8458 king += (int) WhiteUnicorn - (int) WhiteKing;
8460 /* Code added by Tord: */
8461 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
8462 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
8463 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
8464 board[fromY][fromX] = EmptySquare;
8465 board[toY][toX] = EmptySquare;
8466 if((toX > fromX) != (piece == WhiteRook)) {
8467 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8469 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8471 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
8472 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
8473 board[fromY][fromX] = EmptySquare;
8474 board[toY][toX] = EmptySquare;
8475 if((toX > fromX) != (piece == BlackRook)) {
8476 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8478 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8480 /* End of code added by Tord */
8482 } else if (board[fromY][fromX] == king
8483 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8484 && toY == fromY && toX > fromX+1) {
8485 board[fromY][fromX] = EmptySquare;
8486 board[toY][toX] = king;
8487 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8488 board[fromY][BOARD_RGHT-1] = EmptySquare;
8489 } else if (board[fromY][fromX] == king
8490 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8491 && toY == fromY && toX < fromX-1) {
8492 board[fromY][fromX] = EmptySquare;
8493 board[toY][toX] = king;
8494 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8495 board[fromY][BOARD_LEFT] = EmptySquare;
8496 } else if (board[fromY][fromX] == WhitePawn
8497 && toY >= BOARD_HEIGHT-promoRank
8498 && gameInfo.variant != VariantXiangqi
8500 /* white pawn promotion */
8501 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8502 if (board[toY][toX] == EmptySquare) {
8503 board[toY][toX] = WhiteQueen;
8505 if(gameInfo.variant==VariantBughouse ||
8506 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8507 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8508 board[fromY][fromX] = EmptySquare;
8509 } else if ((fromY == BOARD_HEIGHT-4)
8511 && gameInfo.variant != VariantXiangqi
8512 && gameInfo.variant != VariantBerolina
8513 && (board[fromY][fromX] == WhitePawn)
8514 && (board[toY][toX] == EmptySquare)) {
8515 board[fromY][fromX] = EmptySquare;
8516 board[toY][toX] = WhitePawn;
8517 captured = board[toY - 1][toX];
8518 board[toY - 1][toX] = EmptySquare;
8519 } else if ((fromY == BOARD_HEIGHT-4)
8521 && gameInfo.variant == VariantBerolina
8522 && (board[fromY][fromX] == WhitePawn)
8523 && (board[toY][toX] == EmptySquare)) {
8524 board[fromY][fromX] = EmptySquare;
8525 board[toY][toX] = WhitePawn;
8526 if(oldEP & EP_BEROLIN_A) {
8527 captured = board[fromY][fromX-1];
8528 board[fromY][fromX-1] = EmptySquare;
8529 }else{ captured = board[fromY][fromX+1];
8530 board[fromY][fromX+1] = EmptySquare;
8532 } else if (board[fromY][fromX] == king
8533 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8534 && toY == fromY && toX > fromX+1) {
8535 board[fromY][fromX] = EmptySquare;
8536 board[toY][toX] = king;
8537 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8538 board[fromY][BOARD_RGHT-1] = EmptySquare;
8539 } else if (board[fromY][fromX] == king
8540 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8541 && toY == fromY && toX < fromX-1) {
8542 board[fromY][fromX] = EmptySquare;
8543 board[toY][toX] = king;
8544 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8545 board[fromY][BOARD_LEFT] = EmptySquare;
8546 } else if (fromY == 7 && fromX == 3
8547 && board[fromY][fromX] == BlackKing
8548 && toY == 7 && toX == 5) {
8549 board[fromY][fromX] = EmptySquare;
8550 board[toY][toX] = BlackKing;
8551 board[fromY][7] = EmptySquare;
8552 board[toY][4] = BlackRook;
8553 } else if (fromY == 7 && fromX == 3
8554 && board[fromY][fromX] == BlackKing
8555 && toY == 7 && toX == 1) {
8556 board[fromY][fromX] = EmptySquare;
8557 board[toY][toX] = BlackKing;
8558 board[fromY][0] = EmptySquare;
8559 board[toY][2] = BlackRook;
8560 } else if (board[fromY][fromX] == BlackPawn
8562 && gameInfo.variant != VariantXiangqi
8564 /* black pawn promotion */
8565 board[toY][toX] = CharToPiece(ToLower(promoChar));
8566 if (board[toY][toX] == EmptySquare) {
8567 board[toY][toX] = BlackQueen;
8569 if(gameInfo.variant==VariantBughouse ||
8570 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8571 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8572 board[fromY][fromX] = EmptySquare;
8573 } else if ((fromY == 3)
8575 && gameInfo.variant != VariantXiangqi
8576 && gameInfo.variant != VariantBerolina
8577 && (board[fromY][fromX] == BlackPawn)
8578 && (board[toY][toX] == EmptySquare)) {
8579 board[fromY][fromX] = EmptySquare;
8580 board[toY][toX] = BlackPawn;
8581 captured = board[toY + 1][toX];
8582 board[toY + 1][toX] = EmptySquare;
8583 } else if ((fromY == 3)
8585 && gameInfo.variant == VariantBerolina
8586 && (board[fromY][fromX] == BlackPawn)
8587 && (board[toY][toX] == EmptySquare)) {
8588 board[fromY][fromX] = EmptySquare;
8589 board[toY][toX] = BlackPawn;
8590 if(oldEP & EP_BEROLIN_A) {
8591 captured = board[fromY][fromX-1];
8592 board[fromY][fromX-1] = EmptySquare;
8593 }else{ captured = board[fromY][fromX+1];
8594 board[fromY][fromX+1] = EmptySquare;
8597 board[toY][toX] = board[fromY][fromX];
8598 board[fromY][fromX] = EmptySquare;
8602 if (gameInfo.holdingsWidth != 0) {
8604 /* !!A lot more code needs to be written to support holdings */
8605 /* [HGM] OK, so I have written it. Holdings are stored in the */
8606 /* penultimate board files, so they are automaticlly stored */
8607 /* in the game history. */
8608 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
8609 && promoChar && piece != WhitePawn && piece != BlackPawn) {
8610 /* Delete from holdings, by decreasing count */
8611 /* and erasing image if necessary */
8612 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
8613 if(p < (int) BlackPawn) { /* white drop */
8614 p -= (int)WhitePawn;
8615 p = PieceToNumber((ChessSquare)p);
8616 if(p >= gameInfo.holdingsSize) p = 0;
8617 if(--board[p][BOARD_WIDTH-2] <= 0)
8618 board[p][BOARD_WIDTH-1] = EmptySquare;
8619 if((int)board[p][BOARD_WIDTH-2] < 0)
8620 board[p][BOARD_WIDTH-2] = 0;
8621 } else { /* black drop */
8622 p -= (int)BlackPawn;
8623 p = PieceToNumber((ChessSquare)p);
8624 if(p >= gameInfo.holdingsSize) p = 0;
8625 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8626 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8627 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8628 board[BOARD_HEIGHT-1-p][1] = 0;
8631 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8632 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
8633 /* [HGM] holdings: Add to holdings, if holdings exist */
8634 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8635 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8636 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8639 if (p >= (int) BlackPawn) {
8640 p -= (int)BlackPawn;
8641 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8642 /* in Shogi restore piece to its original first */
8643 captured = (ChessSquare) (DEMOTED captured);
8646 p = PieceToNumber((ChessSquare)p);
8647 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8648 board[p][BOARD_WIDTH-2]++;
8649 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8651 p -= (int)WhitePawn;
8652 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8653 captured = (ChessSquare) (DEMOTED captured);
8656 p = PieceToNumber((ChessSquare)p);
8657 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8658 board[BOARD_HEIGHT-1-p][1]++;
8659 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8662 } else if (gameInfo.variant == VariantAtomic) {
8663 if (captured != EmptySquare) {
8665 for (y = toY-1; y <= toY+1; y++) {
8666 for (x = toX-1; x <= toX+1; x++) {
8667 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8668 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8669 board[y][x] = EmptySquare;
8673 board[toY][toX] = EmptySquare;
8676 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
8677 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
8679 if(promoChar == '+') {
8680 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
8681 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8682 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
8683 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
8685 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8686 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8687 // [HGM] superchess: take promotion piece out of holdings
8688 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8689 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8690 if(!--board[k][BOARD_WIDTH-2])
8691 board[k][BOARD_WIDTH-1] = EmptySquare;
8693 if(!--board[BOARD_HEIGHT-1-k][1])
8694 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8700 /* Updates forwardMostMove */
8702 MakeMove(fromX, fromY, toX, toY, promoChar)
8703 int fromX, fromY, toX, toY;
8706 // forwardMostMove++; // [HGM] bare: moved downstream
8708 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8709 int timeLeft; static int lastLoadFlag=0; int king, piece;
8710 piece = boards[forwardMostMove][fromY][fromX];
8711 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8712 if(gameInfo.variant == VariantKnightmate)
8713 king += (int) WhiteUnicorn - (int) WhiteKing;
8714 if(forwardMostMove == 0) {
8716 fprintf(serverMoves, "%s;", second.tidy);
8717 fprintf(serverMoves, "%s;", first.tidy);
8718 if(!blackPlaysFirst)
8719 fprintf(serverMoves, "%s;", second.tidy);
8720 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8721 lastLoadFlag = loadFlag;
8723 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8724 // print castling suffix
8725 if( toY == fromY && piece == king ) {
8727 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8729 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8732 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8733 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8734 boards[forwardMostMove][toY][toX] == EmptySquare
8735 && fromX != toX && fromY != toY)
8736 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8738 if(promoChar != NULLCHAR)
8739 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8741 fprintf(serverMoves, "/%d/%d",
8742 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8743 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8744 else timeLeft = blackTimeRemaining/1000;
8745 fprintf(serverMoves, "/%d", timeLeft);
8747 fflush(serverMoves);
8750 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8751 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8755 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8756 if (commentList[forwardMostMove+1] != NULL) {
8757 free(commentList[forwardMostMove+1]);
8758 commentList[forwardMostMove+1] = NULL;
8760 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8761 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8762 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8763 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8764 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8765 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8766 gameInfo.result = GameUnfinished;
8767 if (gameInfo.resultDetails != NULL) {
8768 free(gameInfo.resultDetails);
8769 gameInfo.resultDetails = NULL;
8771 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8772 moveList[forwardMostMove - 1]);
8773 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8774 PosFlags(forwardMostMove - 1),
8775 fromY, fromX, toY, toX, promoChar,
8776 parseList[forwardMostMove - 1]);
8777 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8783 if(gameInfo.variant != VariantShogi)
8784 strcat(parseList[forwardMostMove - 1], "+");
8788 strcat(parseList[forwardMostMove - 1], "#");
8791 if (appData.debugMode) {
8792 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8797 /* Updates currentMove if not pausing */
8799 ShowMove(fromX, fromY, toX, toY)
8801 int instant = (gameMode == PlayFromGameFile) ?
8802 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8803 if(appData.noGUI) return;
8804 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8806 if (forwardMostMove == currentMove + 1) {
8807 AnimateMove(boards[forwardMostMove - 1],
8808 fromX, fromY, toX, toY);
8810 if (appData.highlightLastMove) {
8811 SetHighlights(fromX, fromY, toX, toY);
8814 currentMove = forwardMostMove;
8817 if (instant) return;
8819 DisplayMove(currentMove - 1);
8820 DrawPosition(FALSE, boards[currentMove]);
8821 DisplayBothClocks();
8822 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8825 void SendEgtPath(ChessProgramState *cps)
8826 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8827 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8829 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8832 char c, *q = name+1, *r, *s;
8834 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8835 while(*p && *p != ',') *q++ = *p++;
8837 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8838 strcmp(name, ",nalimov:") == 0 ) {
8839 // take nalimov path from the menu-changeable option first, if it is defined
8840 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8841 SendToProgram(buf,cps); // send egtbpath command for nalimov
8843 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8844 (s = StrStr(appData.egtFormats, name)) != NULL) {
8845 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8846 s = r = StrStr(s, ":") + 1; // beginning of path info
8847 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8848 c = *r; *r = 0; // temporarily null-terminate path info
8849 *--q = 0; // strip of trailig ':' from name
8850 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
8852 SendToProgram(buf,cps); // send egtbpath command for this format
8854 if(*p == ',') p++; // read away comma to position for next format name
8859 InitChessProgram(cps, setup)
8860 ChessProgramState *cps;
8861 int setup; /* [HGM] needed to setup FRC opening position */
8863 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8864 if (appData.noChessProgram) return;
8865 hintRequested = FALSE;
8866 bookRequested = FALSE;
8868 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8869 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8870 if(cps->memSize) { /* [HGM] memory */
8871 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8872 SendToProgram(buf, cps);
8874 SendEgtPath(cps); /* [HGM] EGT */
8875 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8876 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
8877 SendToProgram(buf, cps);
8880 SendToProgram(cps->initString, cps);
8881 if (gameInfo.variant != VariantNormal &&
8882 gameInfo.variant != VariantLoadable
8883 /* [HGM] also send variant if board size non-standard */
8884 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8886 char *v = VariantName(gameInfo.variant);
8887 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8888 /* [HGM] in protocol 1 we have to assume all variants valid */
8889 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
8890 DisplayFatalError(buf, 0, 1);
8894 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8895 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8896 if( gameInfo.variant == VariantXiangqi )
8897 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8898 if( gameInfo.variant == VariantShogi )
8899 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8900 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8901 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8902 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8903 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8904 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8905 if( gameInfo.variant == VariantCourier )
8906 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8907 if( gameInfo.variant == VariantSuper )
8908 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8909 if( gameInfo.variant == VariantGreat )
8910 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8913 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8914 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8915 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8916 if(StrStr(cps->variants, b) == NULL) {
8917 // specific sized variant not known, check if general sizing allowed
8918 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8919 if(StrStr(cps->variants, "boardsize") == NULL) {
8920 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
8921 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8922 DisplayFatalError(buf, 0, 1);
8925 /* [HGM] here we really should compare with the maximum supported board size */
8928 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
8929 snprintf(buf, MSG_SIZ, "variant %s\n", b);
8930 SendToProgram(buf, cps);
8932 currentlyInitializedVariant = gameInfo.variant;
8934 /* [HGM] send opening position in FRC to first engine */
8936 SendToProgram("force\n", cps);
8938 /* engine is now in force mode! Set flag to wake it up after first move. */
8939 setboardSpoiledMachineBlack = 1;
8943 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8944 SendToProgram(buf, cps);
8946 cps->maybeThinking = FALSE;
8947 cps->offeredDraw = 0;
8948 if (!appData.icsActive) {
8949 SendTimeControl(cps, movesPerSession, timeControl,
8950 timeIncrement, appData.searchDepth,
8953 if (appData.showThinking
8954 // [HGM] thinking: four options require thinking output to be sent
8955 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8957 SendToProgram("post\n", cps);
8959 SendToProgram("hard\n", cps);
8960 if (!appData.ponderNextMove) {
8961 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8962 it without being sure what state we are in first. "hard"
8963 is not a toggle, so that one is OK.
8965 SendToProgram("easy\n", cps);
8968 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
8969 SendToProgram(buf, cps);
8971 cps->initDone = TRUE;
8976 StartChessProgram(cps)
8977 ChessProgramState *cps;
8982 if (appData.noChessProgram) return;
8983 cps->initDone = FALSE;
8985 if (strcmp(cps->host, "localhost") == 0) {
8986 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8987 } else if (*appData.remoteShell == NULLCHAR) {
8988 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8990 if (*appData.remoteUser == NULLCHAR) {
8991 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8994 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8995 cps->host, appData.remoteUser, cps->program);
8997 err = StartChildProcess(buf, "", &cps->pr);
9001 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9002 DisplayFatalError(buf, err, 1);
9008 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9009 if (cps->protocolVersion > 1) {
9010 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9011 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9012 cps->comboCnt = 0; // and values of combo boxes
9013 SendToProgram(buf, cps);
9015 SendToProgram("xboard\n", cps);
9021 TwoMachinesEventIfReady P((void))
9023 if (first.lastPing != first.lastPong) {
9024 DisplayMessage("", _("Waiting for first chess program"));
9025 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9028 if (second.lastPing != second.lastPong) {
9029 DisplayMessage("", _("Waiting for second chess program"));
9030 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9038 NextMatchGame P((void))
9040 int index; /* [HGM] autoinc: step load index during match */
9042 if (*appData.loadGameFile != NULLCHAR) {
9043 index = appData.loadGameIndex;
9044 if(index < 0) { // [HGM] autoinc
9045 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9046 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9048 LoadGameFromFile(appData.loadGameFile,
9050 appData.loadGameFile, FALSE);
9051 } else if (*appData.loadPositionFile != NULLCHAR) {
9052 index = appData.loadPositionIndex;
9053 if(index < 0) { // [HGM] autoinc
9054 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9055 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9057 LoadPositionFromFile(appData.loadPositionFile,
9059 appData.loadPositionFile);
9061 TwoMachinesEventIfReady();
9064 void UserAdjudicationEvent( int result )
9066 ChessMove gameResult = GameIsDrawn;
9069 gameResult = WhiteWins;
9071 else if( result < 0 ) {
9072 gameResult = BlackWins;
9075 if( gameMode == TwoMachinesPlay ) {
9076 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9081 // [HGM] save: calculate checksum of game to make games easily identifiable
9082 int StringCheckSum(char *s)
9085 if(s==NULL) return 0;
9086 while(*s) i = i*259 + *s++;
9093 for(i=backwardMostMove; i<forwardMostMove; i++) {
9094 sum += pvInfoList[i].depth;
9095 sum += StringCheckSum(parseList[i]);
9096 sum += StringCheckSum(commentList[i]);
9099 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9100 return sum + StringCheckSum(commentList[i]);
9101 } // end of save patch
9104 GameEnds(result, resultDetails, whosays)
9106 char *resultDetails;
9109 GameMode nextGameMode;
9111 char buf[MSG_SIZ], popupRequested = 0;
9113 if(endingGame) return; /* [HGM] crash: forbid recursion */
9115 if(twoBoards) { // [HGM] dual: switch back to one board
9116 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9117 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9119 if (appData.debugMode) {
9120 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9121 result, resultDetails ? resultDetails : "(null)", whosays);
9124 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9126 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9127 /* If we are playing on ICS, the server decides when the
9128 game is over, but the engine can offer to draw, claim
9132 if (appData.zippyPlay && first.initDone) {
9133 if (result == GameIsDrawn) {
9134 /* In case draw still needs to be claimed */
9135 SendToICS(ics_prefix);
9136 SendToICS("draw\n");
9137 } else if (StrCaseStr(resultDetails, "resign")) {
9138 SendToICS(ics_prefix);
9139 SendToICS("resign\n");
9143 endingGame = 0; /* [HGM] crash */
9147 /* If we're loading the game from a file, stop */
9148 if (whosays == GE_FILE) {
9149 (void) StopLoadGameTimer();
9153 /* Cancel draw offers */
9154 first.offeredDraw = second.offeredDraw = 0;
9156 /* If this is an ICS game, only ICS can really say it's done;
9157 if not, anyone can. */
9158 isIcsGame = (gameMode == IcsPlayingWhite ||
9159 gameMode == IcsPlayingBlack ||
9160 gameMode == IcsObserving ||
9161 gameMode == IcsExamining);
9163 if (!isIcsGame || whosays == GE_ICS) {
9164 /* OK -- not an ICS game, or ICS said it was done */
9166 if (!isIcsGame && !appData.noChessProgram)
9167 SetUserThinkingEnables();
9169 /* [HGM] if a machine claims the game end we verify this claim */
9170 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9171 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9173 ChessMove trueResult = (ChessMove) -1;
9175 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9176 first.twoMachinesColor[0] :
9177 second.twoMachinesColor[0] ;
9179 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9180 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9181 /* [HGM] verify: engine mate claims accepted if they were flagged */
9182 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9184 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9185 /* [HGM] verify: engine mate claims accepted if they were flagged */
9186 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9188 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9189 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9192 // now verify win claims, but not in drop games, as we don't understand those yet
9193 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9194 || gameInfo.variant == VariantGreat) &&
9195 (result == WhiteWins && claimer == 'w' ||
9196 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9197 if (appData.debugMode) {
9198 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9199 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9201 if(result != trueResult) {
9202 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
9203 result = claimer == 'w' ? BlackWins : WhiteWins;
9204 resultDetails = buf;
9207 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9208 && (forwardMostMove <= backwardMostMove ||
9209 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9210 (claimer=='b')==(forwardMostMove&1))
9212 /* [HGM] verify: draws that were not flagged are false claims */
9213 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
9214 result = claimer == 'w' ? BlackWins : WhiteWins;
9215 resultDetails = buf;
9217 /* (Claiming a loss is accepted no questions asked!) */
9219 /* [HGM] bare: don't allow bare King to win */
9220 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9221 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9222 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9223 && result != GameIsDrawn)
9224 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9225 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9226 int p = (signed char)boards[forwardMostMove][i][j] - color;
9227 if(p >= 0 && p <= (int)WhiteKing) k++;
9229 if (appData.debugMode) {
9230 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9231 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9234 result = GameIsDrawn;
9235 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
9236 resultDetails = buf;
9242 if(serverMoves != NULL && !loadFlag) { char c = '=';
9243 if(result==WhiteWins) c = '+';
9244 if(result==BlackWins) c = '-';
9245 if(resultDetails != NULL)
9246 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9248 if (resultDetails != NULL) {
9249 gameInfo.result = result;
9250 gameInfo.resultDetails = StrSave(resultDetails);
9252 /* display last move only if game was not loaded from file */
9253 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9254 DisplayMove(currentMove - 1);
9256 if (forwardMostMove != 0) {
9257 if (gameMode != PlayFromGameFile && gameMode != EditGame
9258 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9260 if (*appData.saveGameFile != NULLCHAR) {
9261 SaveGameToFile(appData.saveGameFile, TRUE);
9262 } else if (appData.autoSaveGames) {
9265 if (*appData.savePositionFile != NULLCHAR) {
9266 SavePositionToFile(appData.savePositionFile);
9271 /* Tell program how game ended in case it is learning */
9272 /* [HGM] Moved this to after saving the PGN, just in case */
9273 /* engine died and we got here through time loss. In that */
9274 /* case we will get a fatal error writing the pipe, which */
9275 /* would otherwise lose us the PGN. */
9276 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9277 /* output during GameEnds should never be fatal anymore */
9278 if (gameMode == MachinePlaysWhite ||
9279 gameMode == MachinePlaysBlack ||
9280 gameMode == TwoMachinesPlay ||
9281 gameMode == IcsPlayingWhite ||
9282 gameMode == IcsPlayingBlack ||
9283 gameMode == BeginningOfGame) {
9285 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
9287 if (first.pr != NoProc) {
9288 SendToProgram(buf, &first);
9290 if (second.pr != NoProc &&
9291 gameMode == TwoMachinesPlay) {
9292 SendToProgram(buf, &second);
9297 if (appData.icsActive) {
9298 if (appData.quietPlay &&
9299 (gameMode == IcsPlayingWhite ||
9300 gameMode == IcsPlayingBlack)) {
9301 SendToICS(ics_prefix);
9302 SendToICS("set shout 1\n");
9304 nextGameMode = IcsIdle;
9305 ics_user_moved = FALSE;
9306 /* clean up premove. It's ugly when the game has ended and the
9307 * premove highlights are still on the board.
9311 ClearPremoveHighlights();
9312 DrawPosition(FALSE, boards[currentMove]);
9314 if (whosays == GE_ICS) {
9317 if (gameMode == IcsPlayingWhite)
9319 else if(gameMode == IcsPlayingBlack)
9323 if (gameMode == IcsPlayingBlack)
9325 else if(gameMode == IcsPlayingWhite)
9332 PlayIcsUnfinishedSound();
9335 } else if (gameMode == EditGame ||
9336 gameMode == PlayFromGameFile ||
9337 gameMode == AnalyzeMode ||
9338 gameMode == AnalyzeFile) {
9339 nextGameMode = gameMode;
9341 nextGameMode = EndOfGame;
9346 nextGameMode = gameMode;
9349 if (appData.noChessProgram) {
9350 gameMode = nextGameMode;
9352 endingGame = 0; /* [HGM] crash */
9357 /* Put first chess program into idle state */
9358 if (first.pr != NoProc &&
9359 (gameMode == MachinePlaysWhite ||
9360 gameMode == MachinePlaysBlack ||
9361 gameMode == TwoMachinesPlay ||
9362 gameMode == IcsPlayingWhite ||
9363 gameMode == IcsPlayingBlack ||
9364 gameMode == BeginningOfGame)) {
9365 SendToProgram("force\n", &first);
9366 if (first.usePing) {
9368 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
9369 SendToProgram(buf, &first);
9372 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9373 /* Kill off first chess program */
9374 if (first.isr != NULL)
9375 RemoveInputSource(first.isr);
9378 if (first.pr != NoProc) {
9380 DoSleep( appData.delayBeforeQuit );
9381 SendToProgram("quit\n", &first);
9382 DoSleep( appData.delayAfterQuit );
9383 DestroyChildProcess(first.pr, first.useSigterm);
9388 /* Put second chess program into idle state */
9389 if (second.pr != NoProc &&
9390 gameMode == TwoMachinesPlay) {
9391 SendToProgram("force\n", &second);
9392 if (second.usePing) {
9394 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
9395 SendToProgram(buf, &second);
9398 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9399 /* Kill off second chess program */
9400 if (second.isr != NULL)
9401 RemoveInputSource(second.isr);
9404 if (second.pr != NoProc) {
9405 DoSleep( appData.delayBeforeQuit );
9406 SendToProgram("quit\n", &second);
9407 DoSleep( appData.delayAfterQuit );
9408 DestroyChildProcess(second.pr, second.useSigterm);
9413 if (matchMode && gameMode == TwoMachinesPlay) {
9416 if (first.twoMachinesColor[0] == 'w') {
9423 if (first.twoMachinesColor[0] == 'b') {
9432 if (matchGame < appData.matchGames) {
9434 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9435 tmp = first.twoMachinesColor;
9436 first.twoMachinesColor = second.twoMachinesColor;
9437 second.twoMachinesColor = tmp;
9439 gameMode = nextGameMode;
9441 if(appData.matchPause>10000 || appData.matchPause<10)
9442 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9443 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9444 endingGame = 0; /* [HGM] crash */
9447 gameMode = nextGameMode;
9448 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
9449 first.tidy, second.tidy,
9450 first.matchWins, second.matchWins,
9451 appData.matchGames - (first.matchWins + second.matchWins));
9452 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
9455 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9456 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9458 gameMode = nextGameMode;
9460 endingGame = 0; /* [HGM] crash */
9461 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
9462 if(matchMode == TRUE) DisplayFatalError(buf, 0, 0); else {
9463 matchMode = FALSE; appData.matchGames = matchGame = 0;
9469 /* Assumes program was just initialized (initString sent).
9470 Leaves program in force mode. */
9472 FeedMovesToProgram(cps, upto)
9473 ChessProgramState *cps;
9478 if (appData.debugMode)
9479 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9480 startedFromSetupPosition ? "position and " : "",
9481 backwardMostMove, upto, cps->which);
9482 if(currentlyInitializedVariant != gameInfo.variant) {
9484 // [HGM] variantswitch: make engine aware of new variant
9485 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9486 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9487 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
9488 SendToProgram(buf, cps);
9489 currentlyInitializedVariant = gameInfo.variant;
9491 SendToProgram("force\n", cps);
9492 if (startedFromSetupPosition) {
9493 SendBoard(cps, backwardMostMove);
9494 if (appData.debugMode) {
9495 fprintf(debugFP, "feedMoves\n");
9498 for (i = backwardMostMove; i < upto; i++) {
9499 SendMoveToProgram(i, cps);
9505 ResurrectChessProgram()
9507 /* The chess program may have exited.
9508 If so, restart it and feed it all the moves made so far. */
9510 if (appData.noChessProgram || first.pr != NoProc) return;
9512 StartChessProgram(&first);
9513 InitChessProgram(&first, FALSE);
9514 FeedMovesToProgram(&first, currentMove);
9516 if (!first.sendTime) {
9517 /* can't tell gnuchess what its clock should read,
9518 so we bow to its notion. */
9520 timeRemaining[0][currentMove] = whiteTimeRemaining;
9521 timeRemaining[1][currentMove] = blackTimeRemaining;
9524 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9525 appData.icsEngineAnalyze) && first.analysisSupport) {
9526 SendToProgram("analyze\n", &first);
9527 first.analyzing = TRUE;
9540 if (appData.debugMode) {
9541 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9542 redraw, init, gameMode);
9544 CleanupTail(); // [HGM] vari: delete any stored variations
9545 pausing = pauseExamInvalid = FALSE;
9546 startedFromSetupPosition = blackPlaysFirst = FALSE;
9548 whiteFlag = blackFlag = FALSE;
9549 userOfferedDraw = FALSE;
9550 hintRequested = bookRequested = FALSE;
9551 first.maybeThinking = FALSE;
9552 second.maybeThinking = FALSE;
9553 first.bookSuspend = FALSE; // [HGM] book
9554 second.bookSuspend = FALSE;
9555 thinkOutput[0] = NULLCHAR;
9556 lastHint[0] = NULLCHAR;
9557 ClearGameInfo(&gameInfo);
9558 gameInfo.variant = StringToVariant(appData.variant);
9559 ics_user_moved = ics_clock_paused = FALSE;
9560 ics_getting_history = H_FALSE;
9562 white_holding[0] = black_holding[0] = NULLCHAR;
9563 ClearProgramStats();
9564 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9568 flipView = appData.flipView;
9569 ClearPremoveHighlights();
9571 alarmSounded = FALSE;
9573 GameEnds(EndOfFile, NULL, GE_PLAYER);
9574 if(appData.serverMovesName != NULL) {
9575 /* [HGM] prepare to make moves file for broadcasting */
9576 clock_t t = clock();
9577 if(serverMoves != NULL) fclose(serverMoves);
9578 serverMoves = fopen(appData.serverMovesName, "r");
9579 if(serverMoves != NULL) {
9580 fclose(serverMoves);
9581 /* delay 15 sec before overwriting, so all clients can see end */
9582 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9584 serverMoves = fopen(appData.serverMovesName, "w");
9588 gameMode = BeginningOfGame;
9590 if(appData.icsActive) gameInfo.variant = VariantNormal;
9591 currentMove = forwardMostMove = backwardMostMove = 0;
9592 InitPosition(redraw);
9593 for (i = 0; i < MAX_MOVES; i++) {
9594 if (commentList[i] != NULL) {
9595 free(commentList[i]);
9596 commentList[i] = NULL;
9600 timeRemaining[0][0] = whiteTimeRemaining;
9601 timeRemaining[1][0] = blackTimeRemaining;
9602 if (first.pr == NULL) {
9603 StartChessProgram(&first);
9606 InitChessProgram(&first, startedFromSetupPosition);
9609 DisplayMessage("", "");
9610 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9611 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9618 if (!AutoPlayOneMove())
9620 if (matchMode || appData.timeDelay == 0)
9622 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9624 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9633 int fromX, fromY, toX, toY;
9635 if (appData.debugMode) {
9636 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9639 if (gameMode != PlayFromGameFile)
9642 if (currentMove >= forwardMostMove) {
9643 gameMode = EditGame;
9646 /* [AS] Clear current move marker at the end of a game */
9647 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9652 toX = moveList[currentMove][2] - AAA;
9653 toY = moveList[currentMove][3] - ONE;
9655 if (moveList[currentMove][1] == '@') {
9656 if (appData.highlightLastMove) {
9657 SetHighlights(-1, -1, toX, toY);
9660 fromX = moveList[currentMove][0] - AAA;
9661 fromY = moveList[currentMove][1] - ONE;
9663 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9665 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9667 if (appData.highlightLastMove) {
9668 SetHighlights(fromX, fromY, toX, toY);
9671 DisplayMove(currentMove);
9672 SendMoveToProgram(currentMove++, &first);
9673 DisplayBothClocks();
9674 DrawPosition(FALSE, boards[currentMove]);
9675 // [HGM] PV info: always display, routine tests if empty
9676 DisplayComment(currentMove - 1, commentList[currentMove]);
9682 LoadGameOneMove(readAhead)
9683 ChessMove readAhead;
9685 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9686 char promoChar = NULLCHAR;
9691 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9692 gameMode != AnalyzeMode && gameMode != Training) {
9697 yyboardindex = forwardMostMove;
9698 if (readAhead != EndOfFile) {
9699 moveType = readAhead;
9701 if (gameFileFP == NULL)
9703 moveType = (ChessMove) Myylex();
9709 if (appData.debugMode)
9710 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9713 /* append the comment but don't display it */
9714 AppendComment(currentMove, p, FALSE);
9717 case WhiteCapturesEnPassant:
9718 case BlackCapturesEnPassant:
9719 case WhitePromotion:
9720 case BlackPromotion:
9721 case WhiteNonPromotion:
9722 case BlackNonPromotion:
9724 case WhiteKingSideCastle:
9725 case WhiteQueenSideCastle:
9726 case BlackKingSideCastle:
9727 case BlackQueenSideCastle:
9728 case WhiteKingSideCastleWild:
9729 case WhiteQueenSideCastleWild:
9730 case BlackKingSideCastleWild:
9731 case BlackQueenSideCastleWild:
9733 case WhiteHSideCastleFR:
9734 case WhiteASideCastleFR:
9735 case BlackHSideCastleFR:
9736 case BlackASideCastleFR:
9738 if (appData.debugMode)
9739 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9740 fromX = currentMoveString[0] - AAA;
9741 fromY = currentMoveString[1] - ONE;
9742 toX = currentMoveString[2] - AAA;
9743 toY = currentMoveString[3] - ONE;
9744 promoChar = currentMoveString[4];
9749 if (appData.debugMode)
9750 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9751 fromX = moveType == WhiteDrop ?
9752 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9753 (int) CharToPiece(ToLower(currentMoveString[0]));
9755 toX = currentMoveString[2] - AAA;
9756 toY = currentMoveString[3] - ONE;
9762 case GameUnfinished:
9763 if (appData.debugMode)
9764 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9765 p = strchr(yy_text, '{');
9766 if (p == NULL) p = strchr(yy_text, '(');
9769 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9771 q = strchr(p, *p == '{' ? '}' : ')');
9772 if (q != NULL) *q = NULLCHAR;
9775 GameEnds(moveType, p, GE_FILE);
9777 if (cmailMsgLoaded) {
9779 flipView = WhiteOnMove(currentMove);
9780 if (moveType == GameUnfinished) flipView = !flipView;
9781 if (appData.debugMode)
9782 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9787 if (appData.debugMode)
9788 fprintf(debugFP, "Parser hit end of file\n");
9789 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9795 if (WhiteOnMove(currentMove)) {
9796 GameEnds(BlackWins, "Black mates", GE_FILE);
9798 GameEnds(WhiteWins, "White mates", GE_FILE);
9802 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9809 if (lastLoadGameStart == GNUChessGame) {
9810 /* GNUChessGames have numbers, but they aren't move numbers */
9811 if (appData.debugMode)
9812 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9813 yy_text, (int) moveType);
9814 return LoadGameOneMove(EndOfFile); /* tail recursion */
9816 /* else fall thru */
9821 /* Reached start of next game in file */
9822 if (appData.debugMode)
9823 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9824 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9830 if (WhiteOnMove(currentMove)) {
9831 GameEnds(BlackWins, "Black mates", GE_FILE);
9833 GameEnds(WhiteWins, "White mates", GE_FILE);
9837 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9843 case PositionDiagram: /* should not happen; ignore */
9844 case ElapsedTime: /* ignore */
9845 case NAG: /* ignore */
9846 if (appData.debugMode)
9847 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9848 yy_text, (int) moveType);
9849 return LoadGameOneMove(EndOfFile); /* tail recursion */
9852 if (appData.testLegality) {
9853 if (appData.debugMode)
9854 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9855 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9856 (forwardMostMove / 2) + 1,
9857 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9858 DisplayError(move, 0);
9861 if (appData.debugMode)
9862 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9863 yy_text, currentMoveString);
9864 fromX = currentMoveString[0] - AAA;
9865 fromY = currentMoveString[1] - ONE;
9866 toX = currentMoveString[2] - AAA;
9867 toY = currentMoveString[3] - ONE;
9868 promoChar = currentMoveString[4];
9873 if (appData.debugMode)
9874 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9875 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
9876 (forwardMostMove / 2) + 1,
9877 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9878 DisplayError(move, 0);
9883 case ImpossibleMove:
9884 if (appData.debugMode)
9885 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9886 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9887 (forwardMostMove / 2) + 1,
9888 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9889 DisplayError(move, 0);
9895 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9896 DrawPosition(FALSE, boards[currentMove]);
9897 DisplayBothClocks();
9898 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9899 DisplayComment(currentMove - 1, commentList[currentMove]);
9901 (void) StopLoadGameTimer();
9903 cmailOldMove = forwardMostMove;
9906 /* currentMoveString is set as a side-effect of yylex */
9907 strcat(currentMoveString, "\n");
9908 safeStrCpy(moveList[forwardMostMove], currentMoveString, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
9910 thinkOutput[0] = NULLCHAR;
9911 MakeMove(fromX, fromY, toX, toY, promoChar);
9912 currentMove = forwardMostMove;
9917 /* Load the nth game from the given file */
9919 LoadGameFromFile(filename, n, title, useList)
9923 /*Boolean*/ int useList;
9928 if (strcmp(filename, "-") == 0) {
9932 f = fopen(filename, "rb");
9934 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9935 DisplayError(buf, errno);
9939 if (fseek(f, 0, 0) == -1) {
9940 /* f is not seekable; probably a pipe */
9943 if (useList && n == 0) {
9944 int error = GameListBuild(f);
9946 DisplayError(_("Cannot build game list"), error);
9947 } else if (!ListEmpty(&gameList) &&
9948 ((ListGame *) gameList.tailPred)->number > 1) {
9949 GameListPopUp(f, title);
9956 return LoadGame(f, n, title, FALSE);
9961 MakeRegisteredMove()
9963 int fromX, fromY, toX, toY;
9965 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9966 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9969 if (appData.debugMode)
9970 fprintf(debugFP, "Restoring %s for game %d\n",
9971 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9973 thinkOutput[0] = NULLCHAR;
9974 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
9975 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9976 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9977 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9978 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9979 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9980 MakeMove(fromX, fromY, toX, toY, promoChar);
9981 ShowMove(fromX, fromY, toX, toY);
9983 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9990 if (WhiteOnMove(currentMove)) {
9991 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9993 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9998 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
10005 if (WhiteOnMove(currentMove)) {
10006 GameEnds(BlackWins, "White resigns", GE_PLAYER);
10008 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
10013 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
10024 /* Wrapper around LoadGame for use when a Cmail message is loaded */
10026 CmailLoadGame(f, gameNumber, title, useList)
10034 if (gameNumber > nCmailGames) {
10035 DisplayError(_("No more games in this message"), 0);
10038 if (f == lastLoadGameFP) {
10039 int offset = gameNumber - lastLoadGameNumber;
10041 cmailMsg[0] = NULLCHAR;
10042 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10043 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10044 nCmailMovesRegistered--;
10046 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10047 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10048 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10051 if (! RegisterMove()) return FALSE;
10055 retVal = LoadGame(f, gameNumber, title, useList);
10057 /* Make move registered during previous look at this game, if any */
10058 MakeRegisteredMove();
10060 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10061 commentList[currentMove]
10062 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10063 DisplayComment(currentMove - 1, commentList[currentMove]);
10069 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10074 int gameNumber = lastLoadGameNumber + offset;
10075 if (lastLoadGameFP == NULL) {
10076 DisplayError(_("No game has been loaded yet"), 0);
10079 if (gameNumber <= 0) {
10080 DisplayError(_("Can't back up any further"), 0);
10083 if (cmailMsgLoaded) {
10084 return CmailLoadGame(lastLoadGameFP, gameNumber,
10085 lastLoadGameTitle, lastLoadGameUseList);
10087 return LoadGame(lastLoadGameFP, gameNumber,
10088 lastLoadGameTitle, lastLoadGameUseList);
10094 /* Load the nth game from open file f */
10096 LoadGame(f, gameNumber, title, useList)
10104 int gn = gameNumber;
10105 ListGame *lg = NULL;
10106 int numPGNTags = 0;
10108 GameMode oldGameMode;
10109 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10111 if (appData.debugMode)
10112 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10114 if (gameMode == Training )
10115 SetTrainingModeOff();
10117 oldGameMode = gameMode;
10118 if (gameMode != BeginningOfGame) {
10119 Reset(FALSE, TRUE);
10123 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10124 fclose(lastLoadGameFP);
10128 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10131 fseek(f, lg->offset, 0);
10132 GameListHighlight(gameNumber);
10136 DisplayError(_("Game number out of range"), 0);
10141 if (fseek(f, 0, 0) == -1) {
10142 if (f == lastLoadGameFP ?
10143 gameNumber == lastLoadGameNumber + 1 :
10147 DisplayError(_("Can't seek on game file"), 0);
10152 lastLoadGameFP = f;
10153 lastLoadGameNumber = gameNumber;
10154 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10155 lastLoadGameUseList = useList;
10159 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10160 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10161 lg->gameInfo.black);
10163 } else if (*title != NULLCHAR) {
10164 if (gameNumber > 1) {
10165 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
10168 DisplayTitle(title);
10172 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10173 gameMode = PlayFromGameFile;
10177 currentMove = forwardMostMove = backwardMostMove = 0;
10178 CopyBoard(boards[0], initialPosition);
10182 * Skip the first gn-1 games in the file.
10183 * Also skip over anything that precedes an identifiable
10184 * start of game marker, to avoid being confused by
10185 * garbage at the start of the file. Currently
10186 * recognized start of game markers are the move number "1",
10187 * the pattern "gnuchess .* game", the pattern
10188 * "^[#;%] [^ ]* game file", and a PGN tag block.
10189 * A game that starts with one of the latter two patterns
10190 * will also have a move number 1, possibly
10191 * following a position diagram.
10192 * 5-4-02: Let's try being more lenient and allowing a game to
10193 * start with an unnumbered move. Does that break anything?
10195 cm = lastLoadGameStart = EndOfFile;
10197 yyboardindex = forwardMostMove;
10198 cm = (ChessMove) Myylex();
10201 if (cmailMsgLoaded) {
10202 nCmailGames = CMAIL_MAX_GAMES - gn;
10205 DisplayError(_("Game not found in file"), 0);
10212 lastLoadGameStart = cm;
10215 case MoveNumberOne:
10216 switch (lastLoadGameStart) {
10221 case MoveNumberOne:
10223 gn--; /* count this game */
10224 lastLoadGameStart = cm;
10233 switch (lastLoadGameStart) {
10236 case MoveNumberOne:
10238 gn--; /* count this game */
10239 lastLoadGameStart = cm;
10242 lastLoadGameStart = cm; /* game counted already */
10250 yyboardindex = forwardMostMove;
10251 cm = (ChessMove) Myylex();
10252 } while (cm == PGNTag || cm == Comment);
10259 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10260 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10261 != CMAIL_OLD_RESULT) {
10263 cmailResult[ CMAIL_MAX_GAMES
10264 - gn - 1] = CMAIL_OLD_RESULT;
10270 /* Only a NormalMove can be at the start of a game
10271 * without a position diagram. */
10272 if (lastLoadGameStart == EndOfFile ) {
10274 lastLoadGameStart = MoveNumberOne;
10283 if (appData.debugMode)
10284 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10286 if (cm == XBoardGame) {
10287 /* Skip any header junk before position diagram and/or move 1 */
10289 yyboardindex = forwardMostMove;
10290 cm = (ChessMove) Myylex();
10292 if (cm == EndOfFile ||
10293 cm == GNUChessGame || cm == XBoardGame) {
10294 /* Empty game; pretend end-of-file and handle later */
10299 if (cm == MoveNumberOne || cm == PositionDiagram ||
10300 cm == PGNTag || cm == Comment)
10303 } else if (cm == GNUChessGame) {
10304 if (gameInfo.event != NULL) {
10305 free(gameInfo.event);
10307 gameInfo.event = StrSave(yy_text);
10310 startedFromSetupPosition = FALSE;
10311 while (cm == PGNTag) {
10312 if (appData.debugMode)
10313 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10314 err = ParsePGNTag(yy_text, &gameInfo);
10315 if (!err) numPGNTags++;
10317 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10318 if(gameInfo.variant != oldVariant) {
10319 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10320 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10321 InitPosition(TRUE);
10322 oldVariant = gameInfo.variant;
10323 if (appData.debugMode)
10324 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10328 if (gameInfo.fen != NULL) {
10329 Board initial_position;
10330 startedFromSetupPosition = TRUE;
10331 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10333 DisplayError(_("Bad FEN position in file"), 0);
10336 CopyBoard(boards[0], initial_position);
10337 if (blackPlaysFirst) {
10338 currentMove = forwardMostMove = backwardMostMove = 1;
10339 CopyBoard(boards[1], initial_position);
10340 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10341 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10342 timeRemaining[0][1] = whiteTimeRemaining;
10343 timeRemaining[1][1] = blackTimeRemaining;
10344 if (commentList[0] != NULL) {
10345 commentList[1] = commentList[0];
10346 commentList[0] = NULL;
10349 currentMove = forwardMostMove = backwardMostMove = 0;
10351 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10353 initialRulePlies = FENrulePlies;
10354 for( i=0; i< nrCastlingRights; i++ )
10355 initialRights[i] = initial_position[CASTLING][i];
10357 yyboardindex = forwardMostMove;
10358 free(gameInfo.fen);
10359 gameInfo.fen = NULL;
10362 yyboardindex = forwardMostMove;
10363 cm = (ChessMove) Myylex();
10365 /* Handle comments interspersed among the tags */
10366 while (cm == Comment) {
10368 if (appData.debugMode)
10369 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10371 AppendComment(currentMove, p, FALSE);
10372 yyboardindex = forwardMostMove;
10373 cm = (ChessMove) Myylex();
10377 /* don't rely on existence of Event tag since if game was
10378 * pasted from clipboard the Event tag may not exist
10380 if (numPGNTags > 0){
10382 if (gameInfo.variant == VariantNormal) {
10383 VariantClass v = StringToVariant(gameInfo.event);
10384 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10385 if(v < VariantShogi) gameInfo.variant = v;
10388 if( appData.autoDisplayTags ) {
10389 tags = PGNTags(&gameInfo);
10390 TagsPopUp(tags, CmailMsg());
10395 /* Make something up, but don't display it now */
10400 if (cm == PositionDiagram) {
10403 Board initial_position;
10405 if (appData.debugMode)
10406 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10408 if (!startedFromSetupPosition) {
10410 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10411 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10421 initial_position[i][j++] = CharToPiece(*p);
10424 while (*p == ' ' || *p == '\t' ||
10425 *p == '\n' || *p == '\r') p++;
10427 if (strncmp(p, "black", strlen("black"))==0)
10428 blackPlaysFirst = TRUE;
10430 blackPlaysFirst = FALSE;
10431 startedFromSetupPosition = TRUE;
10433 CopyBoard(boards[0], initial_position);
10434 if (blackPlaysFirst) {
10435 currentMove = forwardMostMove = backwardMostMove = 1;
10436 CopyBoard(boards[1], initial_position);
10437 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10438 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10439 timeRemaining[0][1] = whiteTimeRemaining;
10440 timeRemaining[1][1] = blackTimeRemaining;
10441 if (commentList[0] != NULL) {
10442 commentList[1] = commentList[0];
10443 commentList[0] = NULL;
10446 currentMove = forwardMostMove = backwardMostMove = 0;
10449 yyboardindex = forwardMostMove;
10450 cm = (ChessMove) Myylex();
10453 if (first.pr == NoProc) {
10454 StartChessProgram(&first);
10456 InitChessProgram(&first, FALSE);
10457 SendToProgram("force\n", &first);
10458 if (startedFromSetupPosition) {
10459 SendBoard(&first, forwardMostMove);
10460 if (appData.debugMode) {
10461 fprintf(debugFP, "Load Game\n");
10463 DisplayBothClocks();
10466 /* [HGM] server: flag to write setup moves in broadcast file as one */
10467 loadFlag = appData.suppressLoadMoves;
10469 while (cm == Comment) {
10471 if (appData.debugMode)
10472 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10474 AppendComment(currentMove, p, FALSE);
10475 yyboardindex = forwardMostMove;
10476 cm = (ChessMove) Myylex();
10479 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
10480 cm == WhiteWins || cm == BlackWins ||
10481 cm == GameIsDrawn || cm == GameUnfinished) {
10482 DisplayMessage("", _("No moves in game"));
10483 if (cmailMsgLoaded) {
10484 if (appData.debugMode)
10485 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10489 DrawPosition(FALSE, boards[currentMove]);
10490 DisplayBothClocks();
10491 gameMode = EditGame;
10498 // [HGM] PV info: routine tests if comment empty
10499 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10500 DisplayComment(currentMove - 1, commentList[currentMove]);
10502 if (!matchMode && appData.timeDelay != 0)
10503 DrawPosition(FALSE, boards[currentMove]);
10505 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10506 programStats.ok_to_send = 1;
10509 /* if the first token after the PGN tags is a move
10510 * and not move number 1, retrieve it from the parser
10512 if (cm != MoveNumberOne)
10513 LoadGameOneMove(cm);
10515 /* load the remaining moves from the file */
10516 while (LoadGameOneMove(EndOfFile)) {
10517 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10518 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10521 /* rewind to the start of the game */
10522 currentMove = backwardMostMove;
10524 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10526 if (oldGameMode == AnalyzeFile ||
10527 oldGameMode == AnalyzeMode) {
10528 AnalyzeFileEvent();
10531 if (matchMode || appData.timeDelay == 0) {
10533 gameMode = EditGame;
10535 } else if (appData.timeDelay > 0) {
10536 AutoPlayGameLoop();
10539 if (appData.debugMode)
10540 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10542 loadFlag = 0; /* [HGM] true game starts */
10546 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10548 ReloadPosition(offset)
10551 int positionNumber = lastLoadPositionNumber + offset;
10552 if (lastLoadPositionFP == NULL) {
10553 DisplayError(_("No position has been loaded yet"), 0);
10556 if (positionNumber <= 0) {
10557 DisplayError(_("Can't back up any further"), 0);
10560 return LoadPosition(lastLoadPositionFP, positionNumber,
10561 lastLoadPositionTitle);
10564 /* Load the nth position from the given file */
10566 LoadPositionFromFile(filename, n, title)
10574 if (strcmp(filename, "-") == 0) {
10575 return LoadPosition(stdin, n, "stdin");
10577 f = fopen(filename, "rb");
10579 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10580 DisplayError(buf, errno);
10583 return LoadPosition(f, n, title);
10588 /* Load the nth position from the given open file, and close it */
10590 LoadPosition(f, positionNumber, title)
10592 int positionNumber;
10595 char *p, line[MSG_SIZ];
10596 Board initial_position;
10597 int i, j, fenMode, pn;
10599 if (gameMode == Training )
10600 SetTrainingModeOff();
10602 if (gameMode != BeginningOfGame) {
10603 Reset(FALSE, TRUE);
10605 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10606 fclose(lastLoadPositionFP);
10608 if (positionNumber == 0) positionNumber = 1;
10609 lastLoadPositionFP = f;
10610 lastLoadPositionNumber = positionNumber;
10611 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
10612 if (first.pr == NoProc) {
10613 StartChessProgram(&first);
10614 InitChessProgram(&first, FALSE);
10616 pn = positionNumber;
10617 if (positionNumber < 0) {
10618 /* Negative position number means to seek to that byte offset */
10619 if (fseek(f, -positionNumber, 0) == -1) {
10620 DisplayError(_("Can't seek on position file"), 0);
10625 if (fseek(f, 0, 0) == -1) {
10626 if (f == lastLoadPositionFP ?
10627 positionNumber == lastLoadPositionNumber + 1 :
10628 positionNumber == 1) {
10631 DisplayError(_("Can't seek on position file"), 0);
10636 /* See if this file is FEN or old-style xboard */
10637 if (fgets(line, MSG_SIZ, f) == NULL) {
10638 DisplayError(_("Position not found in file"), 0);
10641 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10642 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10645 if (fenMode || line[0] == '#') pn--;
10647 /* skip positions before number pn */
10648 if (fgets(line, MSG_SIZ, f) == NULL) {
10650 DisplayError(_("Position not found in file"), 0);
10653 if (fenMode || line[0] == '#') pn--;
10658 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10659 DisplayError(_("Bad FEN position in file"), 0);
10663 (void) fgets(line, MSG_SIZ, f);
10664 (void) fgets(line, MSG_SIZ, f);
10666 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10667 (void) fgets(line, MSG_SIZ, f);
10668 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10671 initial_position[i][j++] = CharToPiece(*p);
10675 blackPlaysFirst = FALSE;
10677 (void) fgets(line, MSG_SIZ, f);
10678 if (strncmp(line, "black", strlen("black"))==0)
10679 blackPlaysFirst = TRUE;
10682 startedFromSetupPosition = TRUE;
10684 SendToProgram("force\n", &first);
10685 CopyBoard(boards[0], initial_position);
10686 if (blackPlaysFirst) {
10687 currentMove = forwardMostMove = backwardMostMove = 1;
10688 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10689 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10690 CopyBoard(boards[1], initial_position);
10691 DisplayMessage("", _("Black to play"));
10693 currentMove = forwardMostMove = backwardMostMove = 0;
10694 DisplayMessage("", _("White to play"));
10696 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10697 SendBoard(&first, forwardMostMove);
10698 if (appData.debugMode) {
10700 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10701 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10702 fprintf(debugFP, "Load Position\n");
10705 if (positionNumber > 1) {
10706 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
10707 DisplayTitle(line);
10709 DisplayTitle(title);
10711 gameMode = EditGame;
10714 timeRemaining[0][1] = whiteTimeRemaining;
10715 timeRemaining[1][1] = blackTimeRemaining;
10716 DrawPosition(FALSE, boards[currentMove]);
10723 CopyPlayerNameIntoFileName(dest, src)
10726 while (*src != NULLCHAR && *src != ',') {
10731 *(*dest)++ = *src++;
10736 char *DefaultFileName(ext)
10739 static char def[MSG_SIZ];
10742 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10744 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10746 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10748 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
10755 /* Save the current game to the given file */
10757 SaveGameToFile(filename, append)
10764 if (strcmp(filename, "-") == 0) {
10765 return SaveGame(stdout, 0, NULL);
10767 f = fopen(filename, append ? "a" : "w");
10769 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10770 DisplayError(buf, errno);
10773 return SaveGame(f, 0, NULL);
10782 static char buf[MSG_SIZ];
10785 p = strchr(str, ' ');
10786 if (p == NULL) return str;
10787 strncpy(buf, str, p - str);
10788 buf[p - str] = NULLCHAR;
10792 #define PGN_MAX_LINE 75
10794 #define PGN_SIDE_WHITE 0
10795 #define PGN_SIDE_BLACK 1
10798 static int FindFirstMoveOutOfBook( int side )
10802 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10803 int index = backwardMostMove;
10804 int has_book_hit = 0;
10806 if( (index % 2) != side ) {
10810 while( index < forwardMostMove ) {
10811 /* Check to see if engine is in book */
10812 int depth = pvInfoList[index].depth;
10813 int score = pvInfoList[index].score;
10819 else if( score == 0 && depth == 63 ) {
10820 in_book = 1; /* Zappa */
10822 else if( score == 2 && depth == 99 ) {
10823 in_book = 1; /* Abrok */
10826 has_book_hit += in_book;
10842 void GetOutOfBookInfo( char * buf )
10846 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10848 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10849 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10853 if( oob[0] >= 0 || oob[1] >= 0 ) {
10854 for( i=0; i<2; i++ ) {
10858 if( i > 0 && oob[0] >= 0 ) {
10859 strcat( buf, " " );
10862 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10863 sprintf( buf+strlen(buf), "%s%.2f",
10864 pvInfoList[idx].score >= 0 ? "+" : "",
10865 pvInfoList[idx].score / 100.0 );
10871 /* Save game in PGN style and close the file */
10876 int i, offset, linelen, newblock;
10880 int movelen, numlen, blank;
10881 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10883 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10885 tm = time((time_t *) NULL);
10887 PrintPGNTags(f, &gameInfo);
10889 if (backwardMostMove > 0 || startedFromSetupPosition) {
10890 char *fen = PositionToFEN(backwardMostMove, NULL);
10891 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10892 fprintf(f, "\n{--------------\n");
10893 PrintPosition(f, backwardMostMove);
10894 fprintf(f, "--------------}\n");
10898 /* [AS] Out of book annotation */
10899 if( appData.saveOutOfBookInfo ) {
10902 GetOutOfBookInfo( buf );
10904 if( buf[0] != '\0' ) {
10905 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10912 i = backwardMostMove;
10916 while (i < forwardMostMove) {
10917 /* Print comments preceding this move */
10918 if (commentList[i] != NULL) {
10919 if (linelen > 0) fprintf(f, "\n");
10920 fprintf(f, "%s", commentList[i]);
10925 /* Format move number */
10927 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
10930 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
10932 numtext[0] = NULLCHAR;
10934 numlen = strlen(numtext);
10937 /* Print move number */
10938 blank = linelen > 0 && numlen > 0;
10939 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10948 fprintf(f, "%s", numtext);
10952 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
10953 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10956 blank = linelen > 0 && movelen > 0;
10957 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10966 fprintf(f, "%s", move_buffer);
10967 linelen += movelen;
10969 /* [AS] Add PV info if present */
10970 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10971 /* [HGM] add time */
10972 char buf[MSG_SIZ]; int seconds;
10974 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10980 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
10983 seconds = (seconds + 4)/10; // round to full seconds
10985 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
10987 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
10990 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
10991 pvInfoList[i].score >= 0 ? "+" : "",
10992 pvInfoList[i].score / 100.0,
10993 pvInfoList[i].depth,
10996 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10998 /* Print score/depth */
10999 blank = linelen > 0 && movelen > 0;
11000 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11009 fprintf(f, "%s", move_buffer);
11010 linelen += movelen;
11016 /* Start a new line */
11017 if (linelen > 0) fprintf(f, "\n");
11019 /* Print comments after last move */
11020 if (commentList[i] != NULL) {
11021 fprintf(f, "%s\n", commentList[i]);
11025 if (gameInfo.resultDetails != NULL &&
11026 gameInfo.resultDetails[0] != NULLCHAR) {
11027 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
11028 PGNResult(gameInfo.result));
11030 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11034 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11038 /* Save game in old style and close the file */
11040 SaveGameOldStyle(f)
11046 tm = time((time_t *) NULL);
11048 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11051 if (backwardMostMove > 0 || startedFromSetupPosition) {
11052 fprintf(f, "\n[--------------\n");
11053 PrintPosition(f, backwardMostMove);
11054 fprintf(f, "--------------]\n");
11059 i = backwardMostMove;
11060 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11062 while (i < forwardMostMove) {
11063 if (commentList[i] != NULL) {
11064 fprintf(f, "[%s]\n", commentList[i]);
11067 if ((i % 2) == 1) {
11068 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11071 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11073 if (commentList[i] != NULL) {
11077 if (i >= forwardMostMove) {
11081 fprintf(f, "%s\n", parseList[i]);
11086 if (commentList[i] != NULL) {
11087 fprintf(f, "[%s]\n", commentList[i]);
11090 /* This isn't really the old style, but it's close enough */
11091 if (gameInfo.resultDetails != NULL &&
11092 gameInfo.resultDetails[0] != NULLCHAR) {
11093 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11094 gameInfo.resultDetails);
11096 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11103 /* Save the current game to open file f and close the file */
11105 SaveGame(f, dummy, dummy2)
11110 if (gameMode == EditPosition) EditPositionDone(TRUE);
11111 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11112 if (appData.oldSaveStyle)
11113 return SaveGameOldStyle(f);
11115 return SaveGamePGN(f);
11118 /* Save the current position to the given file */
11120 SavePositionToFile(filename)
11126 if (strcmp(filename, "-") == 0) {
11127 return SavePosition(stdout, 0, NULL);
11129 f = fopen(filename, "a");
11131 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11132 DisplayError(buf, errno);
11135 SavePosition(f, 0, NULL);
11141 /* Save the current position to the given open file and close the file */
11143 SavePosition(f, dummy, dummy2)
11151 if (gameMode == EditPosition) EditPositionDone(TRUE);
11152 if (appData.oldSaveStyle) {
11153 tm = time((time_t *) NULL);
11155 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11157 fprintf(f, "[--------------\n");
11158 PrintPosition(f, currentMove);
11159 fprintf(f, "--------------]\n");
11161 fen = PositionToFEN(currentMove, NULL);
11162 fprintf(f, "%s\n", fen);
11170 ReloadCmailMsgEvent(unregister)
11174 static char *inFilename = NULL;
11175 static char *outFilename;
11177 struct stat inbuf, outbuf;
11180 /* Any registered moves are unregistered if unregister is set, */
11181 /* i.e. invoked by the signal handler */
11183 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11184 cmailMoveRegistered[i] = FALSE;
11185 if (cmailCommentList[i] != NULL) {
11186 free(cmailCommentList[i]);
11187 cmailCommentList[i] = NULL;
11190 nCmailMovesRegistered = 0;
11193 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11194 cmailResult[i] = CMAIL_NOT_RESULT;
11198 if (inFilename == NULL) {
11199 /* Because the filenames are static they only get malloced once */
11200 /* and they never get freed */
11201 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11202 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11204 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11205 sprintf(outFilename, "%s.out", appData.cmailGameName);
11208 status = stat(outFilename, &outbuf);
11210 cmailMailedMove = FALSE;
11212 status = stat(inFilename, &inbuf);
11213 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11216 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11217 counts the games, notes how each one terminated, etc.
11219 It would be nice to remove this kludge and instead gather all
11220 the information while building the game list. (And to keep it
11221 in the game list nodes instead of having a bunch of fixed-size
11222 parallel arrays.) Note this will require getting each game's
11223 termination from the PGN tags, as the game list builder does
11224 not process the game moves. --mann
11226 cmailMsgLoaded = TRUE;
11227 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11229 /* Load first game in the file or popup game menu */
11230 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11232 #endif /* !WIN32 */
11240 char string[MSG_SIZ];
11242 if ( cmailMailedMove
11243 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11244 return TRUE; /* Allow free viewing */
11247 /* Unregister move to ensure that we don't leave RegisterMove */
11248 /* with the move registered when the conditions for registering no */
11250 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11251 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11252 nCmailMovesRegistered --;
11254 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11256 free(cmailCommentList[lastLoadGameNumber - 1]);
11257 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11261 if (cmailOldMove == -1) {
11262 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11266 if (currentMove > cmailOldMove + 1) {
11267 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11271 if (currentMove < cmailOldMove) {
11272 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11276 if (forwardMostMove > currentMove) {
11277 /* Silently truncate extra moves */
11281 if ( (currentMove == cmailOldMove + 1)
11282 || ( (currentMove == cmailOldMove)
11283 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11284 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11285 if (gameInfo.result != GameUnfinished) {
11286 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11289 if (commentList[currentMove] != NULL) {
11290 cmailCommentList[lastLoadGameNumber - 1]
11291 = StrSave(commentList[currentMove]);
11293 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
11295 if (appData.debugMode)
11296 fprintf(debugFP, "Saving %s for game %d\n",
11297 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11299 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11301 f = fopen(string, "w");
11302 if (appData.oldSaveStyle) {
11303 SaveGameOldStyle(f); /* also closes the file */
11305 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
11306 f = fopen(string, "w");
11307 SavePosition(f, 0, NULL); /* also closes the file */
11309 fprintf(f, "{--------------\n");
11310 PrintPosition(f, currentMove);
11311 fprintf(f, "--------------}\n\n");
11313 SaveGame(f, 0, NULL); /* also closes the file*/
11316 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11317 nCmailMovesRegistered ++;
11318 } else if (nCmailGames == 1) {
11319 DisplayError(_("You have not made a move yet"), 0);
11330 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11331 FILE *commandOutput;
11332 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11333 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11339 if (! cmailMsgLoaded) {
11340 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11344 if (nCmailGames == nCmailResults) {
11345 DisplayError(_("No unfinished games"), 0);
11349 #if CMAIL_PROHIBIT_REMAIL
11350 if (cmailMailedMove) {
11351 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);
11352 DisplayError(msg, 0);
11357 if (! (cmailMailedMove || RegisterMove())) return;
11359 if ( cmailMailedMove
11360 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11361 snprintf(string, MSG_SIZ, partCommandString,
11362 appData.debugMode ? " -v" : "", appData.cmailGameName);
11363 commandOutput = popen(string, "r");
11365 if (commandOutput == NULL) {
11366 DisplayError(_("Failed to invoke cmail"), 0);
11368 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11369 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11371 if (nBuffers > 1) {
11372 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11373 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11374 nBytes = MSG_SIZ - 1;
11376 (void) memcpy(msg, buffer, nBytes);
11378 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11380 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11381 cmailMailedMove = TRUE; /* Prevent >1 moves */
11384 for (i = 0; i < nCmailGames; i ++) {
11385 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11390 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11392 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
11394 appData.cmailGameName,
11396 LoadGameFromFile(buffer, 1, buffer, FALSE);
11397 cmailMsgLoaded = FALSE;
11401 DisplayInformation(msg);
11402 pclose(commandOutput);
11405 if ((*cmailMsg) != '\0') {
11406 DisplayInformation(cmailMsg);
11411 #endif /* !WIN32 */
11420 int prependComma = 0;
11422 char string[MSG_SIZ]; /* Space for game-list */
11425 if (!cmailMsgLoaded) return "";
11427 if (cmailMailedMove) {
11428 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
11430 /* Create a list of games left */
11431 snprintf(string, MSG_SIZ, "[");
11432 for (i = 0; i < nCmailGames; i ++) {
11433 if (! ( cmailMoveRegistered[i]
11434 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11435 if (prependComma) {
11436 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
11438 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
11442 strcat(string, number);
11445 strcat(string, "]");
11447 if (nCmailMovesRegistered + nCmailResults == 0) {
11448 switch (nCmailGames) {
11450 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
11454 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
11458 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
11463 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11465 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
11470 if (nCmailResults == nCmailGames) {
11471 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
11473 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
11478 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
11490 if (gameMode == Training)
11491 SetTrainingModeOff();
11494 cmailMsgLoaded = FALSE;
11495 if (appData.icsActive) {
11496 SendToICS(ics_prefix);
11497 SendToICS("refresh\n");
11507 /* Give up on clean exit */
11511 /* Keep trying for clean exit */
11515 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11517 if (telnetISR != NULL) {
11518 RemoveInputSource(telnetISR);
11520 if (icsPR != NoProc) {
11521 DestroyChildProcess(icsPR, TRUE);
11524 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11525 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11527 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11528 /* make sure this other one finishes before killing it! */
11529 if(endingGame) { int count = 0;
11530 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11531 while(endingGame && count++ < 10) DoSleep(1);
11532 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11535 /* Kill off chess programs */
11536 if (first.pr != NoProc) {
11539 DoSleep( appData.delayBeforeQuit );
11540 SendToProgram("quit\n", &first);
11541 DoSleep( appData.delayAfterQuit );
11542 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11544 if (second.pr != NoProc) {
11545 DoSleep( appData.delayBeforeQuit );
11546 SendToProgram("quit\n", &second);
11547 DoSleep( appData.delayAfterQuit );
11548 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11550 if (first.isr != NULL) {
11551 RemoveInputSource(first.isr);
11553 if (second.isr != NULL) {
11554 RemoveInputSource(second.isr);
11557 ShutDownFrontEnd();
11564 if (appData.debugMode)
11565 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11569 if (gameMode == MachinePlaysWhite ||
11570 gameMode == MachinePlaysBlack) {
11573 DisplayBothClocks();
11575 if (gameMode == PlayFromGameFile) {
11576 if (appData.timeDelay >= 0)
11577 AutoPlayGameLoop();
11578 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11579 Reset(FALSE, TRUE);
11580 SendToICS(ics_prefix);
11581 SendToICS("refresh\n");
11582 } else if (currentMove < forwardMostMove) {
11583 ForwardInner(forwardMostMove);
11585 pauseExamInvalid = FALSE;
11587 switch (gameMode) {
11591 pauseExamForwardMostMove = forwardMostMove;
11592 pauseExamInvalid = FALSE;
11595 case IcsPlayingWhite:
11596 case IcsPlayingBlack:
11600 case PlayFromGameFile:
11601 (void) StopLoadGameTimer();
11605 case BeginningOfGame:
11606 if (appData.icsActive) return;
11607 /* else fall through */
11608 case MachinePlaysWhite:
11609 case MachinePlaysBlack:
11610 case TwoMachinesPlay:
11611 if (forwardMostMove == 0)
11612 return; /* don't pause if no one has moved */
11613 if ((gameMode == MachinePlaysWhite &&
11614 !WhiteOnMove(forwardMostMove)) ||
11615 (gameMode == MachinePlaysBlack &&
11616 WhiteOnMove(forwardMostMove))) {
11629 char title[MSG_SIZ];
11631 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11632 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
11634 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11635 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11636 parseList[currentMove - 1]);
11639 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11646 char *tags = PGNTags(&gameInfo);
11647 EditTagsPopUp(tags);
11654 if (appData.noChessProgram || gameMode == AnalyzeMode)
11657 if (gameMode != AnalyzeFile) {
11658 if (!appData.icsEngineAnalyze) {
11660 if (gameMode != EditGame) return;
11662 ResurrectChessProgram();
11663 SendToProgram("analyze\n", &first);
11664 first.analyzing = TRUE;
11665 /*first.maybeThinking = TRUE;*/
11666 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11667 EngineOutputPopUp();
11669 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11674 StartAnalysisClock();
11675 GetTimeMark(&lastNodeCountTime);
11682 if (appData.noChessProgram || gameMode == AnalyzeFile)
11685 if (gameMode != AnalyzeMode) {
11687 if (gameMode != EditGame) return;
11688 ResurrectChessProgram();
11689 SendToProgram("analyze\n", &first);
11690 first.analyzing = TRUE;
11691 /*first.maybeThinking = TRUE;*/
11692 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11693 EngineOutputPopUp();
11695 gameMode = AnalyzeFile;
11700 StartAnalysisClock();
11701 GetTimeMark(&lastNodeCountTime);
11706 MachineWhiteEvent()
11709 char *bookHit = NULL;
11711 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11715 if (gameMode == PlayFromGameFile ||
11716 gameMode == TwoMachinesPlay ||
11717 gameMode == Training ||
11718 gameMode == AnalyzeMode ||
11719 gameMode == EndOfGame)
11722 if (gameMode == EditPosition)
11723 EditPositionDone(TRUE);
11725 if (!WhiteOnMove(currentMove)) {
11726 DisplayError(_("It is not White's turn"), 0);
11730 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11733 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11734 gameMode == AnalyzeFile)
11737 ResurrectChessProgram(); /* in case it isn't running */
11738 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11739 gameMode = MachinePlaysWhite;
11742 gameMode = MachinePlaysWhite;
11746 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11748 if (first.sendName) {
11749 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
11750 SendToProgram(buf, &first);
11752 if (first.sendTime) {
11753 if (first.useColors) {
11754 SendToProgram("black\n", &first); /*gnu kludge*/
11756 SendTimeRemaining(&first, TRUE);
11758 if (first.useColors) {
11759 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11761 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11762 SetMachineThinkingEnables();
11763 first.maybeThinking = TRUE;
11767 if (appData.autoFlipView && !flipView) {
11768 flipView = !flipView;
11769 DrawPosition(FALSE, NULL);
11770 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11773 if(bookHit) { // [HGM] book: simulate book reply
11774 static char bookMove[MSG_SIZ]; // a bit generous?
11776 programStats.nodes = programStats.depth = programStats.time =
11777 programStats.score = programStats.got_only_move = 0;
11778 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11780 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11781 strcat(bookMove, bookHit);
11782 HandleMachineMove(bookMove, &first);
11787 MachineBlackEvent()
11790 char *bookHit = NULL;
11792 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11796 if (gameMode == PlayFromGameFile ||
11797 gameMode == TwoMachinesPlay ||
11798 gameMode == Training ||
11799 gameMode == AnalyzeMode ||
11800 gameMode == EndOfGame)
11803 if (gameMode == EditPosition)
11804 EditPositionDone(TRUE);
11806 if (WhiteOnMove(currentMove)) {
11807 DisplayError(_("It is not Black's turn"), 0);
11811 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11814 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11815 gameMode == AnalyzeFile)
11818 ResurrectChessProgram(); /* in case it isn't running */
11819 gameMode = MachinePlaysBlack;
11823 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11825 if (first.sendName) {
11826 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
11827 SendToProgram(buf, &first);
11829 if (first.sendTime) {
11830 if (first.useColors) {
11831 SendToProgram("white\n", &first); /*gnu kludge*/
11833 SendTimeRemaining(&first, FALSE);
11835 if (first.useColors) {
11836 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11838 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11839 SetMachineThinkingEnables();
11840 first.maybeThinking = TRUE;
11843 if (appData.autoFlipView && flipView) {
11844 flipView = !flipView;
11845 DrawPosition(FALSE, NULL);
11846 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11848 if(bookHit) { // [HGM] book: simulate book reply
11849 static char bookMove[MSG_SIZ]; // a bit generous?
11851 programStats.nodes = programStats.depth = programStats.time =
11852 programStats.score = programStats.got_only_move = 0;
11853 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11855 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11856 strcat(bookMove, bookHit);
11857 HandleMachineMove(bookMove, &first);
11863 DisplayTwoMachinesTitle()
11866 if (appData.matchGames > 0) {
11867 if (first.twoMachinesColor[0] == 'w') {
11868 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11869 gameInfo.white, gameInfo.black,
11870 first.matchWins, second.matchWins,
11871 matchGame - 1 - (first.matchWins + second.matchWins));
11873 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11874 gameInfo.white, gameInfo.black,
11875 second.matchWins, first.matchWins,
11876 matchGame - 1 - (first.matchWins + second.matchWins));
11879 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11885 SettingsMenuIfReady()
11887 if (second.lastPing != second.lastPong) {
11888 DisplayMessage("", _("Waiting for second chess program"));
11889 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
11893 DisplayMessage("", "");
11894 SettingsPopUp(&second);
11898 WaitForSecond(DelayedEventCallback retry)
11900 if (second.pr == NULL) {
11901 StartChessProgram(&second);
11902 if (second.protocolVersion == 1) {
11905 /* kludge: allow timeout for initial "feature" command */
11907 DisplayMessage("", _("Starting second chess program"));
11908 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
11916 TwoMachinesEvent P((void))
11920 ChessProgramState *onmove;
11921 char *bookHit = NULL;
11923 if (appData.noChessProgram) return;
11925 switch (gameMode) {
11926 case TwoMachinesPlay:
11928 case MachinePlaysWhite:
11929 case MachinePlaysBlack:
11930 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11931 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11935 case BeginningOfGame:
11936 case PlayFromGameFile:
11939 if (gameMode != EditGame) return;
11942 EditPositionDone(TRUE);
11953 // forwardMostMove = currentMove;
11954 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11955 ResurrectChessProgram(); /* in case first program isn't running */
11957 if(WaitForSecond(TwoMachinesEventIfReady)) return;
11958 DisplayMessage("", "");
11959 InitChessProgram(&second, FALSE);
11960 SendToProgram("force\n", &second);
11961 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
11962 ScheduleDelayedEvent(TwoMachinesEvent, 10);
11965 if (startedFromSetupPosition) {
11966 SendBoard(&second, backwardMostMove);
11967 if (appData.debugMode) {
11968 fprintf(debugFP, "Two Machines\n");
11971 for (i = backwardMostMove; i < forwardMostMove; i++) {
11972 SendMoveToProgram(i, &second);
11975 gameMode = TwoMachinesPlay;
11979 DisplayTwoMachinesTitle();
11981 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11987 SendToProgram(first.computerString, &first);
11988 if (first.sendName) {
11989 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
11990 SendToProgram(buf, &first);
11992 SendToProgram(second.computerString, &second);
11993 if (second.sendName) {
11994 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
11995 SendToProgram(buf, &second);
11999 if (!first.sendTime || !second.sendTime) {
12000 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12001 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12003 if (onmove->sendTime) {
12004 if (onmove->useColors) {
12005 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
12007 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
12009 if (onmove->useColors) {
12010 SendToProgram(onmove->twoMachinesColor, onmove);
12012 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
12013 // SendToProgram("go\n", onmove);
12014 onmove->maybeThinking = TRUE;
12015 SetMachineThinkingEnables();
12019 if(bookHit) { // [HGM] book: simulate book reply
12020 static char bookMove[MSG_SIZ]; // a bit generous?
12022 programStats.nodes = programStats.depth = programStats.time =
12023 programStats.score = programStats.got_only_move = 0;
12024 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12026 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12027 strcat(bookMove, bookHit);
12028 savedMessage = bookMove; // args for deferred call
12029 savedState = onmove;
12030 ScheduleDelayedEvent(DeferredBookMove, 1);
12037 if (gameMode == Training) {
12038 SetTrainingModeOff();
12039 gameMode = PlayFromGameFile;
12040 DisplayMessage("", _("Training mode off"));
12042 gameMode = Training;
12043 animateTraining = appData.animate;
12045 /* make sure we are not already at the end of the game */
12046 if (currentMove < forwardMostMove) {
12047 SetTrainingModeOn();
12048 DisplayMessage("", _("Training mode on"));
12050 gameMode = PlayFromGameFile;
12051 DisplayError(_("Already at end of game"), 0);
12060 if (!appData.icsActive) return;
12061 switch (gameMode) {
12062 case IcsPlayingWhite:
12063 case IcsPlayingBlack:
12066 case BeginningOfGame:
12074 EditPositionDone(TRUE);
12087 gameMode = IcsIdle;
12098 switch (gameMode) {
12100 SetTrainingModeOff();
12102 case MachinePlaysWhite:
12103 case MachinePlaysBlack:
12104 case BeginningOfGame:
12105 SendToProgram("force\n", &first);
12106 SetUserThinkingEnables();
12108 case PlayFromGameFile:
12109 (void) StopLoadGameTimer();
12110 if (gameFileFP != NULL) {
12115 EditPositionDone(TRUE);
12120 SendToProgram("force\n", &first);
12122 case TwoMachinesPlay:
12123 GameEnds(EndOfFile, NULL, GE_PLAYER);
12124 ResurrectChessProgram();
12125 SetUserThinkingEnables();
12128 ResurrectChessProgram();
12130 case IcsPlayingBlack:
12131 case IcsPlayingWhite:
12132 DisplayError(_("Warning: You are still playing a game"), 0);
12135 DisplayError(_("Warning: You are still observing a game"), 0);
12138 DisplayError(_("Warning: You are still examining a game"), 0);
12149 first.offeredDraw = second.offeredDraw = 0;
12151 if (gameMode == PlayFromGameFile) {
12152 whiteTimeRemaining = timeRemaining[0][currentMove];
12153 blackTimeRemaining = timeRemaining[1][currentMove];
12157 if (gameMode == MachinePlaysWhite ||
12158 gameMode == MachinePlaysBlack ||
12159 gameMode == TwoMachinesPlay ||
12160 gameMode == EndOfGame) {
12161 i = forwardMostMove;
12162 while (i > currentMove) {
12163 SendToProgram("undo\n", &first);
12166 whiteTimeRemaining = timeRemaining[0][currentMove];
12167 blackTimeRemaining = timeRemaining[1][currentMove];
12168 DisplayBothClocks();
12169 if (whiteFlag || blackFlag) {
12170 whiteFlag = blackFlag = 0;
12175 gameMode = EditGame;
12182 EditPositionEvent()
12184 if (gameMode == EditPosition) {
12190 if (gameMode != EditGame) return;
12192 gameMode = EditPosition;
12195 if (currentMove > 0)
12196 CopyBoard(boards[0], boards[currentMove]);
12198 blackPlaysFirst = !WhiteOnMove(currentMove);
12200 currentMove = forwardMostMove = backwardMostMove = 0;
12201 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12208 /* [DM] icsEngineAnalyze - possible call from other functions */
12209 if (appData.icsEngineAnalyze) {
12210 appData.icsEngineAnalyze = FALSE;
12212 DisplayMessage("",_("Close ICS engine analyze..."));
12214 if (first.analysisSupport && first.analyzing) {
12215 SendToProgram("exit\n", &first);
12216 first.analyzing = FALSE;
12218 thinkOutput[0] = NULLCHAR;
12222 EditPositionDone(Boolean fakeRights)
12224 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12226 startedFromSetupPosition = TRUE;
12227 InitChessProgram(&first, FALSE);
12228 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12229 boards[0][EP_STATUS] = EP_NONE;
12230 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12231 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12232 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12233 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12234 } else boards[0][CASTLING][2] = NoRights;
12235 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12236 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12237 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12238 } else boards[0][CASTLING][5] = NoRights;
12240 SendToProgram("force\n", &first);
12241 if (blackPlaysFirst) {
12242 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12243 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12244 currentMove = forwardMostMove = backwardMostMove = 1;
12245 CopyBoard(boards[1], boards[0]);
12247 currentMove = forwardMostMove = backwardMostMove = 0;
12249 SendBoard(&first, forwardMostMove);
12250 if (appData.debugMode) {
12251 fprintf(debugFP, "EditPosDone\n");
12254 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12255 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12256 gameMode = EditGame;
12258 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12259 ClearHighlights(); /* [AS] */
12262 /* Pause for `ms' milliseconds */
12263 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12273 } while (SubtractTimeMarks(&m2, &m1) < ms);
12276 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12278 SendMultiLineToICS(buf)
12281 char temp[MSG_SIZ+1], *p;
12288 strncpy(temp, buf, len);
12293 if (*p == '\n' || *p == '\r')
12298 strcat(temp, "\n");
12300 SendToPlayer(temp, strlen(temp));
12304 SetWhiteToPlayEvent()
12306 if (gameMode == EditPosition) {
12307 blackPlaysFirst = FALSE;
12308 DisplayBothClocks(); /* works because currentMove is 0 */
12309 } else if (gameMode == IcsExamining) {
12310 SendToICS(ics_prefix);
12311 SendToICS("tomove white\n");
12316 SetBlackToPlayEvent()
12318 if (gameMode == EditPosition) {
12319 blackPlaysFirst = TRUE;
12320 currentMove = 1; /* kludge */
12321 DisplayBothClocks();
12323 } else if (gameMode == IcsExamining) {
12324 SendToICS(ics_prefix);
12325 SendToICS("tomove black\n");
12330 EditPositionMenuEvent(selection, x, y)
12331 ChessSquare selection;
12335 ChessSquare piece = boards[0][y][x];
12337 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12339 switch (selection) {
12341 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12342 SendToICS(ics_prefix);
12343 SendToICS("bsetup clear\n");
12344 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12345 SendToICS(ics_prefix);
12346 SendToICS("clearboard\n");
12348 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12349 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12350 for (y = 0; y < BOARD_HEIGHT; y++) {
12351 if (gameMode == IcsExamining) {
12352 if (boards[currentMove][y][x] != EmptySquare) {
12353 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
12358 boards[0][y][x] = p;
12363 if (gameMode == EditPosition) {
12364 DrawPosition(FALSE, boards[0]);
12369 SetWhiteToPlayEvent();
12373 SetBlackToPlayEvent();
12377 if (gameMode == IcsExamining) {
12378 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12379 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12382 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12383 if(x == BOARD_LEFT-2) {
12384 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12385 boards[0][y][1] = 0;
12387 if(x == BOARD_RGHT+1) {
12388 if(y >= gameInfo.holdingsSize) break;
12389 boards[0][y][BOARD_WIDTH-2] = 0;
12392 boards[0][y][x] = EmptySquare;
12393 DrawPosition(FALSE, boards[0]);
12398 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12399 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12400 selection = (ChessSquare) (PROMOTED piece);
12401 } else if(piece == EmptySquare) selection = WhiteSilver;
12402 else selection = (ChessSquare)((int)piece - 1);
12406 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12407 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12408 selection = (ChessSquare) (DEMOTED piece);
12409 } else if(piece == EmptySquare) selection = BlackSilver;
12410 else selection = (ChessSquare)((int)piece + 1);
12415 if(gameInfo.variant == VariantShatranj ||
12416 gameInfo.variant == VariantXiangqi ||
12417 gameInfo.variant == VariantCourier ||
12418 gameInfo.variant == VariantMakruk )
12419 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12424 if(gameInfo.variant == VariantXiangqi)
12425 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12426 if(gameInfo.variant == VariantKnightmate)
12427 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12430 if (gameMode == IcsExamining) {
12431 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12432 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
12433 PieceToChar(selection), AAA + x, ONE + y);
12436 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12438 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12439 n = PieceToNumber(selection - BlackPawn);
12440 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12441 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12442 boards[0][BOARD_HEIGHT-1-n][1]++;
12444 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12445 n = PieceToNumber(selection);
12446 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12447 boards[0][n][BOARD_WIDTH-1] = selection;
12448 boards[0][n][BOARD_WIDTH-2]++;
12451 boards[0][y][x] = selection;
12452 DrawPosition(TRUE, boards[0]);
12460 DropMenuEvent(selection, x, y)
12461 ChessSquare selection;
12464 ChessMove moveType;
12466 switch (gameMode) {
12467 case IcsPlayingWhite:
12468 case MachinePlaysBlack:
12469 if (!WhiteOnMove(currentMove)) {
12470 DisplayMoveError(_("It is Black's turn"));
12473 moveType = WhiteDrop;
12475 case IcsPlayingBlack:
12476 case MachinePlaysWhite:
12477 if (WhiteOnMove(currentMove)) {
12478 DisplayMoveError(_("It is White's turn"));
12481 moveType = BlackDrop;
12484 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12490 if (moveType == BlackDrop && selection < BlackPawn) {
12491 selection = (ChessSquare) ((int) selection
12492 + (int) BlackPawn - (int) WhitePawn);
12494 if (boards[currentMove][y][x] != EmptySquare) {
12495 DisplayMoveError(_("That square is occupied"));
12499 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12505 /* Accept a pending offer of any kind from opponent */
12507 if (appData.icsActive) {
12508 SendToICS(ics_prefix);
12509 SendToICS("accept\n");
12510 } else if (cmailMsgLoaded) {
12511 if (currentMove == cmailOldMove &&
12512 commentList[cmailOldMove] != NULL &&
12513 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12514 "Black offers a draw" : "White offers a draw")) {
12516 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12517 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12519 DisplayError(_("There is no pending offer on this move"), 0);
12520 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12523 /* Not used for offers from chess program */
12530 /* Decline a pending offer of any kind from opponent */
12532 if (appData.icsActive) {
12533 SendToICS(ics_prefix);
12534 SendToICS("decline\n");
12535 } else if (cmailMsgLoaded) {
12536 if (currentMove == cmailOldMove &&
12537 commentList[cmailOldMove] != NULL &&
12538 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12539 "Black offers a draw" : "White offers a draw")) {
12541 AppendComment(cmailOldMove, "Draw declined", TRUE);
12542 DisplayComment(cmailOldMove - 1, "Draw declined");
12545 DisplayError(_("There is no pending offer on this move"), 0);
12548 /* Not used for offers from chess program */
12555 /* Issue ICS rematch command */
12556 if (appData.icsActive) {
12557 SendToICS(ics_prefix);
12558 SendToICS("rematch\n");
12565 /* Call your opponent's flag (claim a win on time) */
12566 if (appData.icsActive) {
12567 SendToICS(ics_prefix);
12568 SendToICS("flag\n");
12570 switch (gameMode) {
12573 case MachinePlaysWhite:
12576 GameEnds(GameIsDrawn, "Both players ran out of time",
12579 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12581 DisplayError(_("Your opponent is not out of time"), 0);
12584 case MachinePlaysBlack:
12587 GameEnds(GameIsDrawn, "Both players ran out of time",
12590 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12592 DisplayError(_("Your opponent is not out of time"), 0);
12602 /* Offer draw or accept pending draw offer from opponent */
12604 if (appData.icsActive) {
12605 /* Note: tournament rules require draw offers to be
12606 made after you make your move but before you punch
12607 your clock. Currently ICS doesn't let you do that;
12608 instead, you immediately punch your clock after making
12609 a move, but you can offer a draw at any time. */
12611 SendToICS(ics_prefix);
12612 SendToICS("draw\n");
12613 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12614 } else if (cmailMsgLoaded) {
12615 if (currentMove == cmailOldMove &&
12616 commentList[cmailOldMove] != NULL &&
12617 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12618 "Black offers a draw" : "White offers a draw")) {
12619 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12620 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12621 } else if (currentMove == cmailOldMove + 1) {
12622 char *offer = WhiteOnMove(cmailOldMove) ?
12623 "White offers a draw" : "Black offers a draw";
12624 AppendComment(currentMove, offer, TRUE);
12625 DisplayComment(currentMove - 1, offer);
12626 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12628 DisplayError(_("You must make your move before offering a draw"), 0);
12629 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12631 } else if (first.offeredDraw) {
12632 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12634 if (first.sendDrawOffers) {
12635 SendToProgram("draw\n", &first);
12636 userOfferedDraw = TRUE;
12644 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12646 if (appData.icsActive) {
12647 SendToICS(ics_prefix);
12648 SendToICS("adjourn\n");
12650 /* Currently GNU Chess doesn't offer or accept Adjourns */
12658 /* Offer Abort or accept pending Abort offer from opponent */
12660 if (appData.icsActive) {
12661 SendToICS(ics_prefix);
12662 SendToICS("abort\n");
12664 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12671 /* Resign. You can do this even if it's not your turn. */
12673 if (appData.icsActive) {
12674 SendToICS(ics_prefix);
12675 SendToICS("resign\n");
12677 switch (gameMode) {
12678 case MachinePlaysWhite:
12679 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12681 case MachinePlaysBlack:
12682 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12685 if (cmailMsgLoaded) {
12687 if (WhiteOnMove(cmailOldMove)) {
12688 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12690 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12692 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12703 StopObservingEvent()
12705 /* Stop observing current games */
12706 SendToICS(ics_prefix);
12707 SendToICS("unobserve\n");
12711 StopExaminingEvent()
12713 /* Stop observing current game */
12714 SendToICS(ics_prefix);
12715 SendToICS("unexamine\n");
12719 ForwardInner(target)
12724 if (appData.debugMode)
12725 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12726 target, currentMove, forwardMostMove);
12728 if (gameMode == EditPosition)
12731 if (gameMode == PlayFromGameFile && !pausing)
12734 if (gameMode == IcsExamining && pausing)
12735 limit = pauseExamForwardMostMove;
12737 limit = forwardMostMove;
12739 if (target > limit) target = limit;
12741 if (target > 0 && moveList[target - 1][0]) {
12742 int fromX, fromY, toX, toY;
12743 toX = moveList[target - 1][2] - AAA;
12744 toY = moveList[target - 1][3] - ONE;
12745 if (moveList[target - 1][1] == '@') {
12746 if (appData.highlightLastMove) {
12747 SetHighlights(-1, -1, toX, toY);
12750 fromX = moveList[target - 1][0] - AAA;
12751 fromY = moveList[target - 1][1] - ONE;
12752 if (target == currentMove + 1) {
12753 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12755 if (appData.highlightLastMove) {
12756 SetHighlights(fromX, fromY, toX, toY);
12760 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12761 gameMode == Training || gameMode == PlayFromGameFile ||
12762 gameMode == AnalyzeFile) {
12763 while (currentMove < target) {
12764 SendMoveToProgram(currentMove++, &first);
12767 currentMove = target;
12770 if (gameMode == EditGame || gameMode == EndOfGame) {
12771 whiteTimeRemaining = timeRemaining[0][currentMove];
12772 blackTimeRemaining = timeRemaining[1][currentMove];
12774 DisplayBothClocks();
12775 DisplayMove(currentMove - 1);
12776 DrawPosition(FALSE, boards[currentMove]);
12777 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12778 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12779 DisplayComment(currentMove - 1, commentList[currentMove]);
12787 if (gameMode == IcsExamining && !pausing) {
12788 SendToICS(ics_prefix);
12789 SendToICS("forward\n");
12791 ForwardInner(currentMove + 1);
12798 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12799 /* to optimze, we temporarily turn off analysis mode while we feed
12800 * the remaining moves to the engine. Otherwise we get analysis output
12803 if (first.analysisSupport) {
12804 SendToProgram("exit\nforce\n", &first);
12805 first.analyzing = FALSE;
12809 if (gameMode == IcsExamining && !pausing) {
12810 SendToICS(ics_prefix);
12811 SendToICS("forward 999999\n");
12813 ForwardInner(forwardMostMove);
12816 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12817 /* we have fed all the moves, so reactivate analysis mode */
12818 SendToProgram("analyze\n", &first);
12819 first.analyzing = TRUE;
12820 /*first.maybeThinking = TRUE;*/
12821 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12826 BackwardInner(target)
12829 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12831 if (appData.debugMode)
12832 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12833 target, currentMove, forwardMostMove);
12835 if (gameMode == EditPosition) return;
12836 if (currentMove <= backwardMostMove) {
12838 DrawPosition(full_redraw, boards[currentMove]);
12841 if (gameMode == PlayFromGameFile && !pausing)
12844 if (moveList[target][0]) {
12845 int fromX, fromY, toX, toY;
12846 toX = moveList[target][2] - AAA;
12847 toY = moveList[target][3] - ONE;
12848 if (moveList[target][1] == '@') {
12849 if (appData.highlightLastMove) {
12850 SetHighlights(-1, -1, toX, toY);
12853 fromX = moveList[target][0] - AAA;
12854 fromY = moveList[target][1] - ONE;
12855 if (target == currentMove - 1) {
12856 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12858 if (appData.highlightLastMove) {
12859 SetHighlights(fromX, fromY, toX, toY);
12863 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12864 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12865 while (currentMove > target) {
12866 SendToProgram("undo\n", &first);
12870 currentMove = target;
12873 if (gameMode == EditGame || gameMode == EndOfGame) {
12874 whiteTimeRemaining = timeRemaining[0][currentMove];
12875 blackTimeRemaining = timeRemaining[1][currentMove];
12877 DisplayBothClocks();
12878 DisplayMove(currentMove - 1);
12879 DrawPosition(full_redraw, boards[currentMove]);
12880 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12881 // [HGM] PV info: routine tests if comment empty
12882 DisplayComment(currentMove - 1, commentList[currentMove]);
12888 if (gameMode == IcsExamining && !pausing) {
12889 SendToICS(ics_prefix);
12890 SendToICS("backward\n");
12892 BackwardInner(currentMove - 1);
12899 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12900 /* to optimize, we temporarily turn off analysis mode while we undo
12901 * all the moves. Otherwise we get analysis output after each undo.
12903 if (first.analysisSupport) {
12904 SendToProgram("exit\nforce\n", &first);
12905 first.analyzing = FALSE;
12909 if (gameMode == IcsExamining && !pausing) {
12910 SendToICS(ics_prefix);
12911 SendToICS("backward 999999\n");
12913 BackwardInner(backwardMostMove);
12916 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12917 /* we have fed all the moves, so reactivate analysis mode */
12918 SendToProgram("analyze\n", &first);
12919 first.analyzing = TRUE;
12920 /*first.maybeThinking = TRUE;*/
12921 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12928 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12929 if (to >= forwardMostMove) to = forwardMostMove;
12930 if (to <= backwardMostMove) to = backwardMostMove;
12931 if (to < currentMove) {
12939 RevertEvent(Boolean annotate)
12941 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12944 if (gameMode != IcsExamining) {
12945 DisplayError(_("You are not examining a game"), 0);
12949 DisplayError(_("You can't revert while pausing"), 0);
12952 SendToICS(ics_prefix);
12953 SendToICS("revert\n");
12959 switch (gameMode) {
12960 case MachinePlaysWhite:
12961 case MachinePlaysBlack:
12962 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12963 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12966 if (forwardMostMove < 2) return;
12967 currentMove = forwardMostMove = forwardMostMove - 2;
12968 whiteTimeRemaining = timeRemaining[0][currentMove];
12969 blackTimeRemaining = timeRemaining[1][currentMove];
12970 DisplayBothClocks();
12971 DisplayMove(currentMove - 1);
12972 ClearHighlights();/*!! could figure this out*/
12973 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12974 SendToProgram("remove\n", &first);
12975 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12978 case BeginningOfGame:
12982 case IcsPlayingWhite:
12983 case IcsPlayingBlack:
12984 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12985 SendToICS(ics_prefix);
12986 SendToICS("takeback 2\n");
12988 SendToICS(ics_prefix);
12989 SendToICS("takeback 1\n");
12998 ChessProgramState *cps;
13000 switch (gameMode) {
13001 case MachinePlaysWhite:
13002 if (!WhiteOnMove(forwardMostMove)) {
13003 DisplayError(_("It is your turn"), 0);
13008 case MachinePlaysBlack:
13009 if (WhiteOnMove(forwardMostMove)) {
13010 DisplayError(_("It is your turn"), 0);
13015 case TwoMachinesPlay:
13016 if (WhiteOnMove(forwardMostMove) ==
13017 (first.twoMachinesColor[0] == 'w')) {
13023 case BeginningOfGame:
13027 SendToProgram("?\n", cps);
13031 TruncateGameEvent()
13034 if (gameMode != EditGame) return;
13041 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
13042 if (forwardMostMove > currentMove) {
13043 if (gameInfo.resultDetails != NULL) {
13044 free(gameInfo.resultDetails);
13045 gameInfo.resultDetails = NULL;
13046 gameInfo.result = GameUnfinished;
13048 forwardMostMove = currentMove;
13049 HistorySet(parseList, backwardMostMove, forwardMostMove,
13057 if (appData.noChessProgram) return;
13058 switch (gameMode) {
13059 case MachinePlaysWhite:
13060 if (WhiteOnMove(forwardMostMove)) {
13061 DisplayError(_("Wait until your turn"), 0);
13065 case BeginningOfGame:
13066 case MachinePlaysBlack:
13067 if (!WhiteOnMove(forwardMostMove)) {
13068 DisplayError(_("Wait until your turn"), 0);
13073 DisplayError(_("No hint available"), 0);
13076 SendToProgram("hint\n", &first);
13077 hintRequested = TRUE;
13083 if (appData.noChessProgram) return;
13084 switch (gameMode) {
13085 case MachinePlaysWhite:
13086 if (WhiteOnMove(forwardMostMove)) {
13087 DisplayError(_("Wait until your turn"), 0);
13091 case BeginningOfGame:
13092 case MachinePlaysBlack:
13093 if (!WhiteOnMove(forwardMostMove)) {
13094 DisplayError(_("Wait until your turn"), 0);
13099 EditPositionDone(TRUE);
13101 case TwoMachinesPlay:
13106 SendToProgram("bk\n", &first);
13107 bookOutput[0] = NULLCHAR;
13108 bookRequested = TRUE;
13114 char *tags = PGNTags(&gameInfo);
13115 TagsPopUp(tags, CmailMsg());
13119 /* end button procedures */
13122 PrintPosition(fp, move)
13128 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13129 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13130 char c = PieceToChar(boards[move][i][j]);
13131 fputc(c == 'x' ? '.' : c, fp);
13132 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13135 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13136 fprintf(fp, "white to play\n");
13138 fprintf(fp, "black to play\n");
13145 if (gameInfo.white != NULL) {
13146 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13152 /* Find last component of program's own name, using some heuristics */
13154 TidyProgramName(prog, host, buf)
13155 char *prog, *host, buf[MSG_SIZ];
13158 int local = (strcmp(host, "localhost") == 0);
13159 while (!local && (p = strchr(prog, ';')) != NULL) {
13161 while (*p == ' ') p++;
13164 if (*prog == '"' || *prog == '\'') {
13165 q = strchr(prog + 1, *prog);
13167 q = strchr(prog, ' ');
13169 if (q == NULL) q = prog + strlen(prog);
13171 while (p >= prog && *p != '/' && *p != '\\') p--;
13173 if(p == prog && *p == '"') p++;
13174 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13175 memcpy(buf, p, q - p);
13176 buf[q - p] = NULLCHAR;
13184 TimeControlTagValue()
13187 if (!appData.clockMode) {
13188 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
13189 } else if (movesPerSession > 0) {
13190 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
13191 } else if (timeIncrement == 0) {
13192 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
13194 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13196 return StrSave(buf);
13202 /* This routine is used only for certain modes */
13203 VariantClass v = gameInfo.variant;
13204 ChessMove r = GameUnfinished;
13207 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13208 r = gameInfo.result;
13209 p = gameInfo.resultDetails;
13210 gameInfo.resultDetails = NULL;
13212 ClearGameInfo(&gameInfo);
13213 gameInfo.variant = v;
13215 switch (gameMode) {
13216 case MachinePlaysWhite:
13217 gameInfo.event = StrSave( appData.pgnEventHeader );
13218 gameInfo.site = StrSave(HostName());
13219 gameInfo.date = PGNDate();
13220 gameInfo.round = StrSave("-");
13221 gameInfo.white = StrSave(first.tidy);
13222 gameInfo.black = StrSave(UserName());
13223 gameInfo.timeControl = TimeControlTagValue();
13226 case MachinePlaysBlack:
13227 gameInfo.event = StrSave( appData.pgnEventHeader );
13228 gameInfo.site = StrSave(HostName());
13229 gameInfo.date = PGNDate();
13230 gameInfo.round = StrSave("-");
13231 gameInfo.white = StrSave(UserName());
13232 gameInfo.black = StrSave(first.tidy);
13233 gameInfo.timeControl = TimeControlTagValue();
13236 case TwoMachinesPlay:
13237 gameInfo.event = StrSave( appData.pgnEventHeader );
13238 gameInfo.site = StrSave(HostName());
13239 gameInfo.date = PGNDate();
13240 if (matchGame > 0) {
13242 snprintf(buf, MSG_SIZ, "%d", matchGame);
13243 gameInfo.round = StrSave(buf);
13245 gameInfo.round = StrSave("-");
13247 if (first.twoMachinesColor[0] == 'w') {
13248 gameInfo.white = StrSave(first.tidy);
13249 gameInfo.black = StrSave(second.tidy);
13251 gameInfo.white = StrSave(second.tidy);
13252 gameInfo.black = StrSave(first.tidy);
13254 gameInfo.timeControl = TimeControlTagValue();
13258 gameInfo.event = StrSave("Edited game");
13259 gameInfo.site = StrSave(HostName());
13260 gameInfo.date = PGNDate();
13261 gameInfo.round = StrSave("-");
13262 gameInfo.white = StrSave("-");
13263 gameInfo.black = StrSave("-");
13264 gameInfo.result = r;
13265 gameInfo.resultDetails = p;
13269 gameInfo.event = StrSave("Edited position");
13270 gameInfo.site = StrSave(HostName());
13271 gameInfo.date = PGNDate();
13272 gameInfo.round = StrSave("-");
13273 gameInfo.white = StrSave("-");
13274 gameInfo.black = StrSave("-");
13277 case IcsPlayingWhite:
13278 case IcsPlayingBlack:
13283 case PlayFromGameFile:
13284 gameInfo.event = StrSave("Game from non-PGN file");
13285 gameInfo.site = StrSave(HostName());
13286 gameInfo.date = PGNDate();
13287 gameInfo.round = StrSave("-");
13288 gameInfo.white = StrSave("?");
13289 gameInfo.black = StrSave("?");
13298 ReplaceComment(index, text)
13304 while (*text == '\n') text++;
13305 len = strlen(text);
13306 while (len > 0 && text[len - 1] == '\n') len--;
13308 if (commentList[index] != NULL)
13309 free(commentList[index]);
13312 commentList[index] = NULL;
13315 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13316 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13317 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13318 commentList[index] = (char *) malloc(len + 2);
13319 strncpy(commentList[index], text, len);
13320 commentList[index][len] = '\n';
13321 commentList[index][len + 1] = NULLCHAR;
13323 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13325 commentList[index] = (char *) malloc(len + 7);
13326 safeStrCpy(commentList[index], "{\n", 3);
13327 safeStrCpy(commentList[index]+2, text, len+1);
13328 commentList[index][len+2] = NULLCHAR;
13329 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13330 strcat(commentList[index], "\n}\n");
13344 if (ch == '\r') continue;
13346 } while (ch != '\0');
13350 AppendComment(index, text, addBraces)
13353 Boolean addBraces; // [HGM] braces: tells if we should add {}
13358 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13359 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13362 while (*text == '\n') text++;
13363 len = strlen(text);
13364 while (len > 0 && text[len - 1] == '\n') len--;
13366 if (len == 0) return;
13368 if (commentList[index] != NULL) {
13369 old = commentList[index];
13370 oldlen = strlen(old);
13371 while(commentList[index][oldlen-1] == '\n')
13372 commentList[index][--oldlen] = NULLCHAR;
13373 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13374 safeStrCpy(commentList[index], old, oldlen);
13376 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13377 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13378 if(addBraces) addBraces = FALSE; else { text++; len--; }
13379 while (*text == '\n') { text++; len--; }
13380 commentList[index][--oldlen] = NULLCHAR;
13382 if(addBraces) strcat(commentList[index], "\n{\n");
13383 else strcat(commentList[index], "\n");
13384 strcat(commentList[index], text);
13385 if(addBraces) strcat(commentList[index], "\n}\n");
13386 else strcat(commentList[index], "\n");
13388 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13390 safeStrCpy(commentList[index], "{\n", 3);
13391 else commentList[index][0] = NULLCHAR;
13392 strcat(commentList[index], text);
13393 strcat(commentList[index], "\n");
13394 if(addBraces) strcat(commentList[index], "}\n");
13398 static char * FindStr( char * text, char * sub_text )
13400 char * result = strstr( text, sub_text );
13402 if( result != NULL ) {
13403 result += strlen( sub_text );
13409 /* [AS] Try to extract PV info from PGN comment */
13410 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13411 char *GetInfoFromComment( int index, char * text )
13415 if( text != NULL && index > 0 ) {
13418 int time = -1, sec = 0, deci;
13419 char * s_eval = FindStr( text, "[%eval " );
13420 char * s_emt = FindStr( text, "[%emt " );
13422 if( s_eval != NULL || s_emt != NULL ) {
13426 if( s_eval != NULL ) {
13427 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13431 if( delim != ']' ) {
13436 if( s_emt != NULL ) {
13441 /* We expect something like: [+|-]nnn.nn/dd */
13444 if(*text != '{') return text; // [HGM] braces: must be normal comment
13446 sep = strchr( text, '/' );
13447 if( sep == NULL || sep < (text+4) ) {
13451 time = -1; sec = -1; deci = -1;
13452 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13453 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13454 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13455 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13459 if( score_lo < 0 || score_lo >= 100 ) {
13463 if(sec >= 0) time = 600*time + 10*sec; else
13464 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13466 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13468 /* [HGM] PV time: now locate end of PV info */
13469 while( *++sep >= '0' && *sep <= '9'); // strip depth
13471 while( *++sep >= '0' && *sep <= '9'); // strip time
13473 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13475 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13476 while(*sep == ' ') sep++;
13487 pvInfoList[index-1].depth = depth;
13488 pvInfoList[index-1].score = score;
13489 pvInfoList[index-1].time = 10*time; // centi-sec
13490 if(*sep == '}') *sep = 0; else *--sep = '{';
13496 SendToProgram(message, cps)
13498 ChessProgramState *cps;
13500 int count, outCount, error;
13503 if (cps->pr == NULL) return;
13506 if (appData.debugMode) {
13509 fprintf(debugFP, "%ld >%-6s: %s",
13510 SubtractTimeMarks(&now, &programStartTime),
13511 cps->which, message);
13514 count = strlen(message);
13515 outCount = OutputToProcess(cps->pr, message, count, &error);
13516 if (outCount < count && !exiting
13517 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13518 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), cps->which);
13519 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13520 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13521 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13522 snprintf(buf, MSG_SIZ, "%s program exits in draw position (%s)", cps->which, cps->program);
13524 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13526 gameInfo.resultDetails = StrSave(buf);
13528 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13533 ReceiveFromProgram(isr, closure, message, count, error)
13534 InputSourceRef isr;
13542 ChessProgramState *cps = (ChessProgramState *)closure;
13544 if (isr != cps->isr) return; /* Killed intentionally */
13547 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
13548 cps->which, cps->program);
13549 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13550 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13551 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13552 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13554 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13556 gameInfo.resultDetails = StrSave(buf);
13558 RemoveInputSource(cps->isr);
13559 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13561 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
13562 cps->which, cps->program);
13563 RemoveInputSource(cps->isr);
13565 /* [AS] Program is misbehaving badly... kill it */
13566 if( count == -2 ) {
13567 DestroyChildProcess( cps->pr, 9 );
13571 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13576 if ((end_str = strchr(message, '\r')) != NULL)
13577 *end_str = NULLCHAR;
13578 if ((end_str = strchr(message, '\n')) != NULL)
13579 *end_str = NULLCHAR;
13581 if (appData.debugMode) {
13582 TimeMark now; int print = 1;
13583 char *quote = ""; char c; int i;
13585 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13586 char start = message[0];
13587 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13588 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13589 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13590 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13591 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13592 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13593 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13594 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
13595 sscanf(message, "hint: %c", &c)!=1 &&
13596 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13597 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13598 print = (appData.engineComments >= 2);
13600 message[0] = start; // restore original message
13604 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13605 SubtractTimeMarks(&now, &programStartTime), cps->which,
13611 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13612 if (appData.icsEngineAnalyze) {
13613 if (strstr(message, "whisper") != NULL ||
13614 strstr(message, "kibitz") != NULL ||
13615 strstr(message, "tellics") != NULL) return;
13618 HandleMachineMove(message, cps);
13623 SendTimeControl(cps, mps, tc, inc, sd, st)
13624 ChessProgramState *cps;
13625 int mps, inc, sd, st;
13631 if( timeControl_2 > 0 ) {
13632 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13633 tc = timeControl_2;
13636 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13637 inc /= cps->timeOdds;
13638 st /= cps->timeOdds;
13640 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13643 /* Set exact time per move, normally using st command */
13644 if (cps->stKludge) {
13645 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13647 if (seconds == 0) {
13648 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
13650 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
13653 snprintf(buf, MSG_SIZ, "st %d\n", st);
13656 /* Set conventional or incremental time control, using level command */
13657 if (seconds == 0) {
13658 /* Note old gnuchess bug -- minutes:seconds used to not work.
13659 Fixed in later versions, but still avoid :seconds
13660 when seconds is 0. */
13661 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
13663 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
13664 seconds, inc/1000.);
13667 SendToProgram(buf, cps);
13669 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13670 /* Orthogonally, limit search to given depth */
13672 if (cps->sdKludge) {
13673 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
13675 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
13677 SendToProgram(buf, cps);
13680 if(cps->nps > 0) { /* [HGM] nps */
13681 if(cps->supportsNPS == FALSE)
13682 cps->nps = -1; // don't use if engine explicitly says not supported!
13684 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
13685 SendToProgram(buf, cps);
13690 ChessProgramState *WhitePlayer()
13691 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13693 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13694 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13700 SendTimeRemaining(cps, machineWhite)
13701 ChessProgramState *cps;
13702 int /*boolean*/ machineWhite;
13704 char message[MSG_SIZ];
13707 /* Note: this routine must be called when the clocks are stopped
13708 or when they have *just* been set or switched; otherwise
13709 it will be off by the time since the current tick started.
13711 if (machineWhite) {
13712 time = whiteTimeRemaining / 10;
13713 otime = blackTimeRemaining / 10;
13715 time = blackTimeRemaining / 10;
13716 otime = whiteTimeRemaining / 10;
13718 /* [HGM] translate opponent's time by time-odds factor */
13719 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13720 if (appData.debugMode) {
13721 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13724 if (time <= 0) time = 1;
13725 if (otime <= 0) otime = 1;
13727 snprintf(message, MSG_SIZ, "time %ld\n", time);
13728 SendToProgram(message, cps);
13730 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
13731 SendToProgram(message, cps);
13735 BoolFeature(p, name, loc, cps)
13739 ChessProgramState *cps;
13742 int len = strlen(name);
13745 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13747 sscanf(*p, "%d", &val);
13749 while (**p && **p != ' ')
13751 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13752 SendToProgram(buf, cps);
13759 IntFeature(p, name, loc, cps)
13763 ChessProgramState *cps;
13766 int len = strlen(name);
13767 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13769 sscanf(*p, "%d", loc);
13770 while (**p && **p != ' ') (*p)++;
13771 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13772 SendToProgram(buf, cps);
13779 StringFeature(p, name, loc, cps)
13783 ChessProgramState *cps;
13786 int len = strlen(name);
13787 if (strncmp((*p), name, len) == 0
13788 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13790 sscanf(*p, "%[^\"]", loc);
13791 while (**p && **p != '\"') (*p)++;
13792 if (**p == '\"') (*p)++;
13793 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13794 SendToProgram(buf, cps);
13801 ParseOption(Option *opt, ChessProgramState *cps)
13802 // [HGM] options: process the string that defines an engine option, and determine
13803 // name, type, default value, and allowed value range
13805 char *p, *q, buf[MSG_SIZ];
13806 int n, min = (-1)<<31, max = 1<<31, def;
13808 if(p = strstr(opt->name, " -spin ")) {
13809 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13810 if(max < min) max = min; // enforce consistency
13811 if(def < min) def = min;
13812 if(def > max) def = max;
13817 } else if((p = strstr(opt->name, " -slider "))) {
13818 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13819 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13820 if(max < min) max = min; // enforce consistency
13821 if(def < min) def = min;
13822 if(def > max) def = max;
13826 opt->type = Spin; // Slider;
13827 } else if((p = strstr(opt->name, " -string "))) {
13828 opt->textValue = p+9;
13829 opt->type = TextBox;
13830 } else if((p = strstr(opt->name, " -file "))) {
13831 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13832 opt->textValue = p+7;
13833 opt->type = TextBox; // FileName;
13834 } else if((p = strstr(opt->name, " -path "))) {
13835 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13836 opt->textValue = p+7;
13837 opt->type = TextBox; // PathName;
13838 } else if(p = strstr(opt->name, " -check ")) {
13839 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13840 opt->value = (def != 0);
13841 opt->type = CheckBox;
13842 } else if(p = strstr(opt->name, " -combo ")) {
13843 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13844 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13845 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13846 opt->value = n = 0;
13847 while(q = StrStr(q, " /// ")) {
13848 n++; *q = 0; // count choices, and null-terminate each of them
13850 if(*q == '*') { // remember default, which is marked with * prefix
13854 cps->comboList[cps->comboCnt++] = q;
13856 cps->comboList[cps->comboCnt++] = NULL;
13858 opt->type = ComboBox;
13859 } else if(p = strstr(opt->name, " -button")) {
13860 opt->type = Button;
13861 } else if(p = strstr(opt->name, " -save")) {
13862 opt->type = SaveButton;
13863 } else return FALSE;
13864 *p = 0; // terminate option name
13865 // now look if the command-line options define a setting for this engine option.
13866 if(cps->optionSettings && cps->optionSettings[0])
13867 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13868 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13869 snprintf(buf, MSG_SIZ, "option %s", p);
13870 if(p = strstr(buf, ",")) *p = 0;
13871 if(q = strchr(buf, '=')) switch(opt->type) {
13873 for(n=0; n<opt->max; n++)
13874 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
13877 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
13881 opt->value = atoi(q+1);
13886 SendToProgram(buf, cps);
13892 FeatureDone(cps, val)
13893 ChessProgramState* cps;
13896 DelayedEventCallback cb = GetDelayedEvent();
13897 if ((cb == InitBackEnd3 && cps == &first) ||
13898 (cb == SettingsMenuIfReady && cps == &second) ||
13899 (cb == TwoMachinesEventIfReady && cps == &second)) {
13900 CancelDelayedEvent();
13901 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13903 cps->initDone = val;
13906 /* Parse feature command from engine */
13908 ParseFeatures(args, cps)
13910 ChessProgramState *cps;
13918 while (*p == ' ') p++;
13919 if (*p == NULLCHAR) return;
13921 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13922 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13923 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13924 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13925 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13926 if (BoolFeature(&p, "reuse", &val, cps)) {
13927 /* Engine can disable reuse, but can't enable it if user said no */
13928 if (!val) cps->reuse = FALSE;
13931 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13932 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13933 if (gameMode == TwoMachinesPlay) {
13934 DisplayTwoMachinesTitle();
13940 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13941 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13942 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13943 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13944 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13945 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13946 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13947 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13948 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13949 if (IntFeature(&p, "done", &val, cps)) {
13950 FeatureDone(cps, val);
13953 /* Added by Tord: */
13954 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13955 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13956 /* End of additions by Tord */
13958 /* [HGM] added features: */
13959 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13960 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13961 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13962 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13963 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13964 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13965 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13966 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13967 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13968 SendToProgram(buf, cps);
13971 if(cps->nrOptions >= MAX_OPTIONS) {
13973 snprintf(buf, MSG_SIZ, "%s engine has too many options\n", cps->which);
13974 DisplayError(buf, 0);
13978 /* End of additions by HGM */
13980 /* unknown feature: complain and skip */
13982 while (*q && *q != '=') q++;
13983 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
13984 SendToProgram(buf, cps);
13990 while (*p && *p != '\"') p++;
13991 if (*p == '\"') p++;
13993 while (*p && *p != ' ') p++;
14001 PeriodicUpdatesEvent(newState)
14004 if (newState == appData.periodicUpdates)
14007 appData.periodicUpdates=newState;
14009 /* Display type changes, so update it now */
14010 // DisplayAnalysis();
14012 /* Get the ball rolling again... */
14014 AnalysisPeriodicEvent(1);
14015 StartAnalysisClock();
14020 PonderNextMoveEvent(newState)
14023 if (newState == appData.ponderNextMove) return;
14024 if (gameMode == EditPosition) EditPositionDone(TRUE);
14026 SendToProgram("hard\n", &first);
14027 if (gameMode == TwoMachinesPlay) {
14028 SendToProgram("hard\n", &second);
14031 SendToProgram("easy\n", &first);
14032 thinkOutput[0] = NULLCHAR;
14033 if (gameMode == TwoMachinesPlay) {
14034 SendToProgram("easy\n", &second);
14037 appData.ponderNextMove = newState;
14041 NewSettingEvent(option, feature, command, value)
14043 int option, value, *feature;
14047 if (gameMode == EditPosition) EditPositionDone(TRUE);
14048 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
14049 if(feature == NULL || *feature) SendToProgram(buf, &first);
14050 if (gameMode == TwoMachinesPlay) {
14051 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
14056 ShowThinkingEvent()
14057 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
14059 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
14060 int newState = appData.showThinking
14061 // [HGM] thinking: other features now need thinking output as well
14062 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
14064 if (oldState == newState) return;
14065 oldState = newState;
14066 if (gameMode == EditPosition) EditPositionDone(TRUE);
14068 SendToProgram("post\n", &first);
14069 if (gameMode == TwoMachinesPlay) {
14070 SendToProgram("post\n", &second);
14073 SendToProgram("nopost\n", &first);
14074 thinkOutput[0] = NULLCHAR;
14075 if (gameMode == TwoMachinesPlay) {
14076 SendToProgram("nopost\n", &second);
14079 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
14083 AskQuestionEvent(title, question, replyPrefix, which)
14084 char *title; char *question; char *replyPrefix; char *which;
14086 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
14087 if (pr == NoProc) return;
14088 AskQuestion(title, question, replyPrefix, pr);
14092 DisplayMove(moveNumber)
14095 char message[MSG_SIZ];
14097 char cpThinkOutput[MSG_SIZ];
14099 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
14101 if (moveNumber == forwardMostMove - 1 ||
14102 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14104 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
14106 if (strchr(cpThinkOutput, '\n')) {
14107 *strchr(cpThinkOutput, '\n') = NULLCHAR;
14110 *cpThinkOutput = NULLCHAR;
14113 /* [AS] Hide thinking from human user */
14114 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
14115 *cpThinkOutput = NULLCHAR;
14116 if( thinkOutput[0] != NULLCHAR ) {
14119 for( i=0; i<=hiddenThinkOutputState; i++ ) {
14120 cpThinkOutput[i] = '.';
14122 cpThinkOutput[i] = NULLCHAR;
14123 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14127 if (moveNumber == forwardMostMove - 1 &&
14128 gameInfo.resultDetails != NULL) {
14129 if (gameInfo.resultDetails[0] == NULLCHAR) {
14130 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
14132 snprintf(res, MSG_SIZ, " {%s} %s",
14133 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
14139 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14140 DisplayMessage(res, cpThinkOutput);
14142 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
14143 WhiteOnMove(moveNumber) ? " " : ".. ",
14144 parseList[moveNumber], res);
14145 DisplayMessage(message, cpThinkOutput);
14150 DisplayComment(moveNumber, text)
14154 char title[MSG_SIZ];
14155 char buf[8000]; // comment can be long!
14158 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14159 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
14161 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
14162 WhiteOnMove(moveNumber) ? " " : ".. ",
14163 parseList[moveNumber]);
14165 // [HGM] PV info: display PV info together with (or as) comment
14166 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14167 if(text == NULL) text = "";
14168 score = pvInfoList[moveNumber].score;
14169 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14170 depth, (pvInfoList[moveNumber].time+50)/100, text);
14173 if (text != NULL && (appData.autoDisplayComment || commentUp))
14174 CommentPopUp(title, text);
14177 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14178 * might be busy thinking or pondering. It can be omitted if your
14179 * gnuchess is configured to stop thinking immediately on any user
14180 * input. However, that gnuchess feature depends on the FIONREAD
14181 * ioctl, which does not work properly on some flavors of Unix.
14185 ChessProgramState *cps;
14188 if (!cps->useSigint) return;
14189 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14190 switch (gameMode) {
14191 case MachinePlaysWhite:
14192 case MachinePlaysBlack:
14193 case TwoMachinesPlay:
14194 case IcsPlayingWhite:
14195 case IcsPlayingBlack:
14198 /* Skip if we know it isn't thinking */
14199 if (!cps->maybeThinking) return;
14200 if (appData.debugMode)
14201 fprintf(debugFP, "Interrupting %s\n", cps->which);
14202 InterruptChildProcess(cps->pr);
14203 cps->maybeThinking = FALSE;
14208 #endif /*ATTENTION*/
14214 if (whiteTimeRemaining <= 0) {
14217 if (appData.icsActive) {
14218 if (appData.autoCallFlag &&
14219 gameMode == IcsPlayingBlack && !blackFlag) {
14220 SendToICS(ics_prefix);
14221 SendToICS("flag\n");
14225 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14227 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14228 if (appData.autoCallFlag) {
14229 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14236 if (blackTimeRemaining <= 0) {
14239 if (appData.icsActive) {
14240 if (appData.autoCallFlag &&
14241 gameMode == IcsPlayingWhite && !whiteFlag) {
14242 SendToICS(ics_prefix);
14243 SendToICS("flag\n");
14247 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14249 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14250 if (appData.autoCallFlag) {
14251 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14264 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14265 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14268 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14270 if ( !WhiteOnMove(forwardMostMove) ) {
14271 /* White made time control */
14272 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
14273 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
14274 /* [HGM] time odds: correct new time quota for time odds! */
14275 / WhitePlayer()->timeOdds;
14276 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
14278 lastBlack -= blackTimeRemaining;
14279 /* Black made time control */
14280 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
14281 / WhitePlayer()->other->timeOdds;
14282 lastWhite = whiteTimeRemaining;
14287 DisplayBothClocks()
14289 int wom = gameMode == EditPosition ?
14290 !blackPlaysFirst : WhiteOnMove(currentMove);
14291 DisplayWhiteClock(whiteTimeRemaining, wom);
14292 DisplayBlackClock(blackTimeRemaining, !wom);
14296 /* Timekeeping seems to be a portability nightmare. I think everyone
14297 has ftime(), but I'm really not sure, so I'm including some ifdefs
14298 to use other calls if you don't. Clocks will be less accurate if
14299 you have neither ftime nor gettimeofday.
14302 /* VS 2008 requires the #include outside of the function */
14303 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14304 #include <sys/timeb.h>
14307 /* Get the current time as a TimeMark */
14312 #if HAVE_GETTIMEOFDAY
14314 struct timeval timeVal;
14315 struct timezone timeZone;
14317 gettimeofday(&timeVal, &timeZone);
14318 tm->sec = (long) timeVal.tv_sec;
14319 tm->ms = (int) (timeVal.tv_usec / 1000L);
14321 #else /*!HAVE_GETTIMEOFDAY*/
14324 // include <sys/timeb.h> / moved to just above start of function
14325 struct timeb timeB;
14328 tm->sec = (long) timeB.time;
14329 tm->ms = (int) timeB.millitm;
14331 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14332 tm->sec = (long) time(NULL);
14338 /* Return the difference in milliseconds between two
14339 time marks. We assume the difference will fit in a long!
14342 SubtractTimeMarks(tm2, tm1)
14343 TimeMark *tm2, *tm1;
14345 return 1000L*(tm2->sec - tm1->sec) +
14346 (long) (tm2->ms - tm1->ms);
14351 * Code to manage the game clocks.
14353 * In tournament play, black starts the clock and then white makes a move.
14354 * We give the human user a slight advantage if he is playing white---the
14355 * clocks don't run until he makes his first move, so it takes zero time.
14356 * Also, we don't account for network lag, so we could get out of sync
14357 * with GNU Chess's clock -- but then, referees are always right.
14360 static TimeMark tickStartTM;
14361 static long intendedTickLength;
14364 NextTickLength(timeRemaining)
14365 long timeRemaining;
14367 long nominalTickLength, nextTickLength;
14369 if (timeRemaining > 0L && timeRemaining <= 10000L)
14370 nominalTickLength = 100L;
14372 nominalTickLength = 1000L;
14373 nextTickLength = timeRemaining % nominalTickLength;
14374 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14376 return nextTickLength;
14379 /* Adjust clock one minute up or down */
14381 AdjustClock(Boolean which, int dir)
14383 if(which) blackTimeRemaining += 60000*dir;
14384 else whiteTimeRemaining += 60000*dir;
14385 DisplayBothClocks();
14388 /* Stop clocks and reset to a fresh time control */
14392 (void) StopClockTimer();
14393 if (appData.icsActive) {
14394 whiteTimeRemaining = blackTimeRemaining = 0;
14395 } else if (searchTime) {
14396 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14397 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14398 } else { /* [HGM] correct new time quote for time odds */
14399 whiteTC = blackTC = fullTimeControlString;
14400 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
14401 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
14403 if (whiteFlag || blackFlag) {
14405 whiteFlag = blackFlag = FALSE;
14407 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
14408 DisplayBothClocks();
14411 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14413 /* Decrement running clock by amount of time that has passed */
14417 long timeRemaining;
14418 long lastTickLength, fudge;
14421 if (!appData.clockMode) return;
14422 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14426 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14428 /* Fudge if we woke up a little too soon */
14429 fudge = intendedTickLength - lastTickLength;
14430 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14432 if (WhiteOnMove(forwardMostMove)) {
14433 if(whiteNPS >= 0) lastTickLength = 0;
14434 timeRemaining = whiteTimeRemaining -= lastTickLength;
14435 if(timeRemaining < 0 && !appData.icsActive) {
14436 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
14437 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
14438 whiteStartMove = forwardMostMove; whiteTC = nextSession;
14439 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
14442 DisplayWhiteClock(whiteTimeRemaining - fudge,
14443 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14445 if(blackNPS >= 0) lastTickLength = 0;
14446 timeRemaining = blackTimeRemaining -= lastTickLength;
14447 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
14448 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
14450 blackStartMove = forwardMostMove;
14451 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
14454 DisplayBlackClock(blackTimeRemaining - fudge,
14455 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14457 if (CheckFlags()) return;
14460 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14461 StartClockTimer(intendedTickLength);
14463 /* if the time remaining has fallen below the alarm threshold, sound the
14464 * alarm. if the alarm has sounded and (due to a takeback or time control
14465 * with increment) the time remaining has increased to a level above the
14466 * threshold, reset the alarm so it can sound again.
14469 if (appData.icsActive && appData.icsAlarm) {
14471 /* make sure we are dealing with the user's clock */
14472 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14473 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14476 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14477 alarmSounded = FALSE;
14478 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14480 alarmSounded = TRUE;
14486 /* A player has just moved, so stop the previously running
14487 clock and (if in clock mode) start the other one.
14488 We redisplay both clocks in case we're in ICS mode, because
14489 ICS gives us an update to both clocks after every move.
14490 Note that this routine is called *after* forwardMostMove
14491 is updated, so the last fractional tick must be subtracted
14492 from the color that is *not* on move now.
14495 SwitchClocks(int newMoveNr)
14497 long lastTickLength;
14499 int flagged = FALSE;
14503 if (StopClockTimer() && appData.clockMode) {
14504 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14505 if (!WhiteOnMove(forwardMostMove)) {
14506 if(blackNPS >= 0) lastTickLength = 0;
14507 blackTimeRemaining -= lastTickLength;
14508 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14509 // if(pvInfoList[forwardMostMove-1].time == -1)
14510 pvInfoList[forwardMostMove-1].time = // use GUI time
14511 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14513 if(whiteNPS >= 0) lastTickLength = 0;
14514 whiteTimeRemaining -= lastTickLength;
14515 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14516 // if(pvInfoList[forwardMostMove-1].time == -1)
14517 pvInfoList[forwardMostMove-1].time =
14518 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14520 flagged = CheckFlags();
14522 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14523 CheckTimeControl();
14525 if (flagged || !appData.clockMode) return;
14527 switch (gameMode) {
14528 case MachinePlaysBlack:
14529 case MachinePlaysWhite:
14530 case BeginningOfGame:
14531 if (pausing) return;
14535 case PlayFromGameFile:
14543 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14544 if(WhiteOnMove(forwardMostMove))
14545 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14546 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14550 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14551 whiteTimeRemaining : blackTimeRemaining);
14552 StartClockTimer(intendedTickLength);
14556 /* Stop both clocks */
14560 long lastTickLength;
14563 if (!StopClockTimer()) return;
14564 if (!appData.clockMode) return;
14568 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14569 if (WhiteOnMove(forwardMostMove)) {
14570 if(whiteNPS >= 0) lastTickLength = 0;
14571 whiteTimeRemaining -= lastTickLength;
14572 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14574 if(blackNPS >= 0) lastTickLength = 0;
14575 blackTimeRemaining -= lastTickLength;
14576 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14581 /* Start clock of player on move. Time may have been reset, so
14582 if clock is already running, stop and restart it. */
14586 (void) StopClockTimer(); /* in case it was running already */
14587 DisplayBothClocks();
14588 if (CheckFlags()) return;
14590 if (!appData.clockMode) return;
14591 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14593 GetTimeMark(&tickStartTM);
14594 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14595 whiteTimeRemaining : blackTimeRemaining);
14597 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14598 whiteNPS = blackNPS = -1;
14599 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14600 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14601 whiteNPS = first.nps;
14602 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14603 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14604 blackNPS = first.nps;
14605 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14606 whiteNPS = second.nps;
14607 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14608 blackNPS = second.nps;
14609 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14611 StartClockTimer(intendedTickLength);
14618 long second, minute, hour, day;
14620 static char buf[32];
14622 if (ms > 0 && ms <= 9900) {
14623 /* convert milliseconds to tenths, rounding up */
14624 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14626 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
14630 /* convert milliseconds to seconds, rounding up */
14631 /* use floating point to avoid strangeness of integer division
14632 with negative dividends on many machines */
14633 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14640 day = second / (60 * 60 * 24);
14641 second = second % (60 * 60 * 24);
14642 hour = second / (60 * 60);
14643 second = second % (60 * 60);
14644 minute = second / 60;
14645 second = second % 60;
14648 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
14649 sign, day, hour, minute, second);
14651 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14653 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
14660 * This is necessary because some C libraries aren't ANSI C compliant yet.
14663 StrStr(string, match)
14664 char *string, *match;
14668 length = strlen(match);
14670 for (i = strlen(string) - length; i >= 0; i--, string++)
14671 if (!strncmp(match, string, length))
14678 StrCaseStr(string, match)
14679 char *string, *match;
14683 length = strlen(match);
14685 for (i = strlen(string) - length; i >= 0; i--, string++) {
14686 for (j = 0; j < length; j++) {
14687 if (ToLower(match[j]) != ToLower(string[j]))
14690 if (j == length) return string;
14704 c1 = ToLower(*s1++);
14705 c2 = ToLower(*s2++);
14706 if (c1 > c2) return 1;
14707 if (c1 < c2) return -1;
14708 if (c1 == NULLCHAR) return 0;
14717 return isupper(c) ? tolower(c) : c;
14725 return islower(c) ? toupper(c) : c;
14727 #endif /* !_amigados */
14735 if ((ret = (char *) malloc(strlen(s) + 1)))
14737 safeStrCpy(ret, s, strlen(s)+1);
14743 StrSavePtr(s, savePtr)
14744 char *s, **savePtr;
14749 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14750 safeStrCpy(*savePtr, s, strlen(s)+1);
14762 clock = time((time_t *)NULL);
14763 tm = localtime(&clock);
14764 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
14765 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14766 return StrSave(buf);
14771 PositionToFEN(move, overrideCastling)
14773 char *overrideCastling;
14775 int i, j, fromX, fromY, toX, toY;
14782 whiteToPlay = (gameMode == EditPosition) ?
14783 !blackPlaysFirst : (move % 2 == 0);
14786 /* Piece placement data */
14787 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14789 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14790 if (boards[move][i][j] == EmptySquare) {
14792 } else { ChessSquare piece = boards[move][i][j];
14793 if (emptycount > 0) {
14794 if(emptycount<10) /* [HGM] can be >= 10 */
14795 *p++ = '0' + emptycount;
14796 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14799 if(PieceToChar(piece) == '+') {
14800 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14802 piece = (ChessSquare)(DEMOTED piece);
14804 *p++ = PieceToChar(piece);
14806 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14807 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14812 if (emptycount > 0) {
14813 if(emptycount<10) /* [HGM] can be >= 10 */
14814 *p++ = '0' + emptycount;
14815 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14822 /* [HGM] print Crazyhouse or Shogi holdings */
14823 if( gameInfo.holdingsWidth ) {
14824 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14826 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14827 piece = boards[move][i][BOARD_WIDTH-1];
14828 if( piece != EmptySquare )
14829 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14830 *p++ = PieceToChar(piece);
14832 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14833 piece = boards[move][BOARD_HEIGHT-i-1][0];
14834 if( piece != EmptySquare )
14835 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14836 *p++ = PieceToChar(piece);
14839 if( q == p ) *p++ = '-';
14845 *p++ = whiteToPlay ? 'w' : 'b';
14848 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14849 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14851 if(nrCastlingRights) {
14853 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14854 /* [HGM] write directly from rights */
14855 if(boards[move][CASTLING][2] != NoRights &&
14856 boards[move][CASTLING][0] != NoRights )
14857 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14858 if(boards[move][CASTLING][2] != NoRights &&
14859 boards[move][CASTLING][1] != NoRights )
14860 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14861 if(boards[move][CASTLING][5] != NoRights &&
14862 boards[move][CASTLING][3] != NoRights )
14863 *p++ = boards[move][CASTLING][3] + AAA;
14864 if(boards[move][CASTLING][5] != NoRights &&
14865 boards[move][CASTLING][4] != NoRights )
14866 *p++ = boards[move][CASTLING][4] + AAA;
14869 /* [HGM] write true castling rights */
14870 if( nrCastlingRights == 6 ) {
14871 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14872 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14873 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14874 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14875 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14876 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14877 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14878 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14881 if (q == p) *p++ = '-'; /* No castling rights */
14885 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14886 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14887 /* En passant target square */
14888 if (move > backwardMostMove) {
14889 fromX = moveList[move - 1][0] - AAA;
14890 fromY = moveList[move - 1][1] - ONE;
14891 toX = moveList[move - 1][2] - AAA;
14892 toY = moveList[move - 1][3] - ONE;
14893 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14894 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14895 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14897 /* 2-square pawn move just happened */
14899 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14903 } else if(move == backwardMostMove) {
14904 // [HGM] perhaps we should always do it like this, and forget the above?
14905 if((signed char)boards[move][EP_STATUS] >= 0) {
14906 *p++ = boards[move][EP_STATUS] + AAA;
14907 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14918 /* [HGM] find reversible plies */
14919 { int i = 0, j=move;
14921 if (appData.debugMode) { int k;
14922 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14923 for(k=backwardMostMove; k<=forwardMostMove; k++)
14924 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14928 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14929 if( j == backwardMostMove ) i += initialRulePlies;
14930 sprintf(p, "%d ", i);
14931 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14933 /* Fullmove number */
14934 sprintf(p, "%d", (move / 2) + 1);
14936 return StrSave(buf);
14940 ParseFEN(board, blackPlaysFirst, fen)
14942 int *blackPlaysFirst;
14952 /* [HGM] by default clear Crazyhouse holdings, if present */
14953 if(gameInfo.holdingsWidth) {
14954 for(i=0; i<BOARD_HEIGHT; i++) {
14955 board[i][0] = EmptySquare; /* black holdings */
14956 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14957 board[i][1] = (ChessSquare) 0; /* black counts */
14958 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14962 /* Piece placement data */
14963 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14966 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14967 if (*p == '/') p++;
14968 emptycount = gameInfo.boardWidth - j;
14969 while (emptycount--)
14970 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14972 #if(BOARD_FILES >= 10)
14973 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14974 p++; emptycount=10;
14975 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14976 while (emptycount--)
14977 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14979 } else if (isdigit(*p)) {
14980 emptycount = *p++ - '0';
14981 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14982 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14983 while (emptycount--)
14984 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14985 } else if (*p == '+' || isalpha(*p)) {
14986 if (j >= gameInfo.boardWidth) return FALSE;
14988 piece = CharToPiece(*++p);
14989 if(piece == EmptySquare) return FALSE; /* unknown piece */
14990 piece = (ChessSquare) (PROMOTED piece ); p++;
14991 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14992 } else piece = CharToPiece(*p++);
14994 if(piece==EmptySquare) return FALSE; /* unknown piece */
14995 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14996 piece = (ChessSquare) (PROMOTED piece);
14997 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
15000 board[i][(j++)+gameInfo.holdingsWidth] = piece;
15006 while (*p == '/' || *p == ' ') p++;
15008 /* [HGM] look for Crazyhouse holdings here */
15009 while(*p==' ') p++;
15010 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
15012 if(*p == '-' ) p++; /* empty holdings */ else {
15013 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
15014 /* if we would allow FEN reading to set board size, we would */
15015 /* have to add holdings and shift the board read so far here */
15016 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
15018 if((int) piece >= (int) BlackPawn ) {
15019 i = (int)piece - (int)BlackPawn;
15020 i = PieceToNumber((ChessSquare)i);
15021 if( i >= gameInfo.holdingsSize ) return FALSE;
15022 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
15023 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
15025 i = (int)piece - (int)WhitePawn;
15026 i = PieceToNumber((ChessSquare)i);
15027 if( i >= gameInfo.holdingsSize ) return FALSE;
15028 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
15029 board[i][BOARD_WIDTH-2]++; /* black holdings */
15036 while(*p == ' ') p++;
15040 if(appData.colorNickNames) {
15041 if( c == appData.colorNickNames[0] ) c = 'w'; else
15042 if( c == appData.colorNickNames[1] ) c = 'b';
15046 *blackPlaysFirst = FALSE;
15049 *blackPlaysFirst = TRUE;
15055 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
15056 /* return the extra info in global variiables */
15058 /* set defaults in case FEN is incomplete */
15059 board[EP_STATUS] = EP_UNKNOWN;
15060 for(i=0; i<nrCastlingRights; i++ ) {
15061 board[CASTLING][i] =
15062 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
15063 } /* assume possible unless obviously impossible */
15064 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
15065 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
15066 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
15067 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
15068 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
15069 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
15070 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
15071 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
15074 while(*p==' ') p++;
15075 if(nrCastlingRights) {
15076 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
15077 /* castling indicator present, so default becomes no castlings */
15078 for(i=0; i<nrCastlingRights; i++ ) {
15079 board[CASTLING][i] = NoRights;
15082 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
15083 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
15084 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
15085 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
15086 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
15088 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
15089 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
15090 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
15092 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
15093 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
15094 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
15095 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
15096 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
15097 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
15100 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
15101 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
15102 board[CASTLING][2] = whiteKingFile;
15105 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
15106 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
15107 board[CASTLING][2] = whiteKingFile;
15110 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
15111 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
15112 board[CASTLING][5] = blackKingFile;
15115 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
15116 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
15117 board[CASTLING][5] = blackKingFile;
15120 default: /* FRC castlings */
15121 if(c >= 'a') { /* black rights */
15122 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15123 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
15124 if(i == BOARD_RGHT) break;
15125 board[CASTLING][5] = i;
15127 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
15128 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
15130 board[CASTLING][3] = c;
15132 board[CASTLING][4] = c;
15133 } else { /* white rights */
15134 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15135 if(board[0][i] == WhiteKing) break;
15136 if(i == BOARD_RGHT) break;
15137 board[CASTLING][2] = i;
15138 c -= AAA - 'a' + 'A';
15139 if(board[0][c] >= WhiteKing) break;
15141 board[CASTLING][0] = c;
15143 board[CASTLING][1] = c;
15147 for(i=0; i<nrCastlingRights; i++)
15148 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15149 if (appData.debugMode) {
15150 fprintf(debugFP, "FEN castling rights:");
15151 for(i=0; i<nrCastlingRights; i++)
15152 fprintf(debugFP, " %d", board[CASTLING][i]);
15153 fprintf(debugFP, "\n");
15156 while(*p==' ') p++;
15159 /* read e.p. field in games that know e.p. capture */
15160 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15161 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15163 p++; board[EP_STATUS] = EP_NONE;
15165 char c = *p++ - AAA;
15167 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
15168 if(*p >= '0' && *p <='9') p++;
15169 board[EP_STATUS] = c;
15174 if(sscanf(p, "%d", &i) == 1) {
15175 FENrulePlies = i; /* 50-move ply counter */
15176 /* (The move number is still ignored) */
15183 EditPositionPasteFEN(char *fen)
15186 Board initial_position;
15188 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15189 DisplayError(_("Bad FEN position in clipboard"), 0);
15192 int savedBlackPlaysFirst = blackPlaysFirst;
15193 EditPositionEvent();
15194 blackPlaysFirst = savedBlackPlaysFirst;
15195 CopyBoard(boards[0], initial_position);
15196 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15197 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15198 DisplayBothClocks();
15199 DrawPosition(FALSE, boards[currentMove]);
15204 static char cseq[12] = "\\ ";
15206 Boolean set_cont_sequence(char *new_seq)
15211 // handle bad attempts to set the sequence
15213 return 0; // acceptable error - no debug
15215 len = strlen(new_seq);
15216 ret = (len > 0) && (len < sizeof(cseq));
15218 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
15219 else if (appData.debugMode)
15220 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15225 reformat a source message so words don't cross the width boundary. internal
15226 newlines are not removed. returns the wrapped size (no null character unless
15227 included in source message). If dest is NULL, only calculate the size required
15228 for the dest buffer. lp argument indicats line position upon entry, and it's
15229 passed back upon exit.
15231 int wrap(char *dest, char *src, int count, int width, int *lp)
15233 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15235 cseq_len = strlen(cseq);
15236 old_line = line = *lp;
15237 ansi = len = clen = 0;
15239 for (i=0; i < count; i++)
15241 if (src[i] == '\033')
15244 // if we hit the width, back up
15245 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15247 // store i & len in case the word is too long
15248 old_i = i, old_len = len;
15250 // find the end of the last word
15251 while (i && src[i] != ' ' && src[i] != '\n')
15257 // word too long? restore i & len before splitting it
15258 if ((old_i-i+clen) >= width)
15265 if (i && src[i-1] == ' ')
15268 if (src[i] != ' ' && src[i] != '\n')
15275 // now append the newline and continuation sequence
15280 strncpy(dest+len, cseq, cseq_len);
15288 dest[len] = src[i];
15292 if (src[i] == '\n')
15297 if (dest && appData.debugMode)
15299 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15300 count, width, line, len, *lp);
15301 show_bytes(debugFP, src, count);
15302 fprintf(debugFP, "\ndest: ");
15303 show_bytes(debugFP, dest, len);
15304 fprintf(debugFP, "\n");
15306 *lp = dest ? line : old_line;
15311 // [HGM] vari: routines for shelving variations
15314 PushTail(int firstMove, int lastMove)
15316 int i, j, nrMoves = lastMove - firstMove;
15318 if(appData.icsActive) { // only in local mode
15319 forwardMostMove = currentMove; // mimic old ICS behavior
15322 if(storedGames >= MAX_VARIATIONS-1) return;
15324 // push current tail of game on stack
15325 savedResult[storedGames] = gameInfo.result;
15326 savedDetails[storedGames] = gameInfo.resultDetails;
15327 gameInfo.resultDetails = NULL;
15328 savedFirst[storedGames] = firstMove;
15329 savedLast [storedGames] = lastMove;
15330 savedFramePtr[storedGames] = framePtr;
15331 framePtr -= nrMoves; // reserve space for the boards
15332 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15333 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15334 for(j=0; j<MOVE_LEN; j++)
15335 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15336 for(j=0; j<2*MOVE_LEN; j++)
15337 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15338 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15339 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15340 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15341 pvInfoList[firstMove+i-1].depth = 0;
15342 commentList[framePtr+i] = commentList[firstMove+i];
15343 commentList[firstMove+i] = NULL;
15347 forwardMostMove = firstMove; // truncate game so we can start variation
15348 if(storedGames == 1) GreyRevert(FALSE);
15352 PopTail(Boolean annotate)
15355 char buf[8000], moveBuf[20];
15357 if(appData.icsActive) return FALSE; // only in local mode
15358 if(!storedGames) return FALSE; // sanity
15359 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15362 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15363 nrMoves = savedLast[storedGames] - currentMove;
15366 if(!WhiteOnMove(currentMove))
15367 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
15368 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
15369 for(i=currentMove; i<forwardMostMove; i++) {
15371 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
15372 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
15373 strcat(buf, moveBuf);
15374 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15375 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15379 for(i=1; i<=nrMoves; i++) { // copy last variation back
15380 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15381 for(j=0; j<MOVE_LEN; j++)
15382 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15383 for(j=0; j<2*MOVE_LEN; j++)
15384 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15385 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15386 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15387 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15388 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15389 commentList[currentMove+i] = commentList[framePtr+i];
15390 commentList[framePtr+i] = NULL;
15392 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15393 framePtr = savedFramePtr[storedGames];
15394 gameInfo.result = savedResult[storedGames];
15395 if(gameInfo.resultDetails != NULL) {
15396 free(gameInfo.resultDetails);
15398 gameInfo.resultDetails = savedDetails[storedGames];
15399 forwardMostMove = currentMove + nrMoves;
15400 if(storedGames == 0) GreyRevert(TRUE);
15406 { // remove all shelved variations
15408 for(i=0; i<storedGames; i++) {
15409 if(savedDetails[i])
15410 free(savedDetails[i]);
15411 savedDetails[i] = NULL;
15413 for(i=framePtr; i<MAX_MOVES; i++) {
15414 if(commentList[i]) free(commentList[i]);
15415 commentList[i] = NULL;
15417 framePtr = MAX_MOVES-1;
15422 LoadVariation(int index, char *text)
15423 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15424 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15425 int level = 0, move;
15427 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15428 // first find outermost bracketing variation
15429 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15430 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15431 if(*p == '{') wait = '}'; else
15432 if(*p == '[') wait = ']'; else
15433 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15434 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15436 if(*p == wait) wait = NULLCHAR; // closing ]} found
15439 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15440 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15441 end[1] = NULLCHAR; // clip off comment beyond variation
15442 ToNrEvent(currentMove-1);
15443 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15444 // kludge: use ParsePV() to append variation to game
15445 move = currentMove;
15446 ParsePV(start, TRUE);
15447 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15448 ClearPremoveHighlights();
15450 ToNrEvent(currentMove+1);