2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 #define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
62 #define DoSleep( n ) if( (n) >= 0) sleep(n)
72 #include <sys/types.h>
81 #else /* not STDC_HEADERS */
84 # else /* not HAVE_STRING_H */
86 # endif /* not HAVE_STRING_H */
87 #endif /* not STDC_HEADERS */
90 # include <sys/fcntl.h>
91 #else /* not HAVE_SYS_FCNTL_H */
94 # endif /* HAVE_FCNTL_H */
95 #endif /* not HAVE_SYS_FCNTL_H */
97 #if TIME_WITH_SYS_TIME
98 # include <sys/time.h>
102 # include <sys/time.h>
108 #if defined(_amigados) && !defined(__GNUC__)
113 extern int gettimeofday(struct timeval *, struct timezone *);
121 #include "frontend.h"
128 #include "backendz.h"
132 # define _(s) gettext (s)
133 # define N_(s) gettext_noop (s)
134 # define T_(s) gettext(s)
147 /* A point in time */
149 long sec; /* Assuming this is >= 32 bits */
150 int ms; /* Assuming this is >= 16 bits */
153 int establish P((void));
154 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
156 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
157 char *buf, int count, int error));
158 void ics_printf P((char *format, ...));
159 void SendToICS P((char *s));
160 void SendToICSDelayed P((char *s, long msdelay));
161 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
162 void HandleMachineMove P((char *message, ChessProgramState *cps));
163 int AutoPlayOneMove P((void));
164 int LoadGameOneMove P((ChessMove readAhead));
165 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
166 int LoadPositionFromFile P((char *filename, int n, char *title));
167 int SavePositionToFile P((char *filename));
168 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
170 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
171 void ShowMove P((int fromX, int fromY, int toX, int toY));
172 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
173 /*char*/int promoChar));
174 void BackwardInner P((int target));
175 void ForwardInner P((int target));
176 int Adjudicate P((ChessProgramState *cps));
177 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
178 void EditPositionDone P((Boolean fakeRights));
179 void PrintOpponents P((FILE *fp));
180 void PrintPosition P((FILE *fp, int move));
181 void StartChessProgram P((ChessProgramState *cps));
182 void SendToProgram P((char *message, ChessProgramState *cps));
183 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
184 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
185 char *buf, int count, int error));
186 void SendTimeControl P((ChessProgramState *cps,
187 int mps, long tc, int inc, int sd, int st));
188 char *TimeControlTagValue P((void));
189 void Attention P((ChessProgramState *cps));
190 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
191 void ResurrectChessProgram P((void));
192 void DisplayComment P((int moveNumber, char *text));
193 void DisplayMove P((int moveNumber));
195 void ParseGameHistory P((char *game));
196 void ParseBoard12 P((char *string));
197 void KeepAlive P((void));
198 void StartClocks P((void));
199 void SwitchClocks P((int nr));
200 void StopClocks P((void));
201 void ResetClocks P((void));
202 char *PGNDate P((void));
203 void SetGameInfo P((void));
204 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
205 int RegisterMove P((void));
206 void MakeRegisteredMove P((void));
207 void TruncateGame P((void));
208 int looking_at P((char *, int *, char *));
209 void CopyPlayerNameIntoFileName P((char **, char *));
210 char *SavePart P((char *));
211 int SaveGameOldStyle P((FILE *));
212 int SaveGamePGN P((FILE *));
213 void GetTimeMark P((TimeMark *));
214 long SubtractTimeMarks P((TimeMark *, TimeMark *));
215 int CheckFlags P((void));
216 long NextTickLength P((long));
217 void CheckTimeControl P((void));
218 void show_bytes P((FILE *, char *, int));
219 int string_to_rating P((char *str));
220 void ParseFeatures P((char* args, ChessProgramState *cps));
221 void InitBackEnd3 P((void));
222 void FeatureDone P((ChessProgramState* cps, int val));
223 void InitChessProgram P((ChessProgramState *cps, int setup));
224 void OutputKibitz(int window, char *text);
225 int PerpetualChase(int first, int last);
226 int EngineOutputIsUp();
227 void InitDrawingSizes(int x, int y);
230 extern void ConsoleCreate();
233 ChessProgramState *WhitePlayer();
234 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
235 int VerifyDisplayMode P(());
237 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
238 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
239 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
240 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
241 void ics_update_width P((int new_width));
242 extern char installDir[MSG_SIZ];
243 VariantClass startVariant; /* [HGM] nicks: initial variant */
245 extern int tinyLayout, smallLayout;
246 ChessProgramStats programStats;
247 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
249 static int exiting = 0; /* [HGM] moved to top */
250 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
251 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
252 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
253 int partnerHighlight[2];
254 Boolean partnerBoardValid = 0;
255 char partnerStatus[MSG_SIZ];
257 Boolean originalFlip;
258 Boolean twoBoards = 0;
259 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
260 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
261 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
262 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
263 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
264 int opponentKibitzes;
265 int lastSavedGame; /* [HGM] save: ID of game */
266 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
267 extern int chatCount;
269 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
271 /* States for ics_getting_history */
273 #define H_REQUESTED 1
274 #define H_GOT_REQ_HEADER 2
275 #define H_GOT_UNREQ_HEADER 3
276 #define H_GETTING_MOVES 4
277 #define H_GOT_UNWANTED_HEADER 5
279 /* whosays values for GameEnds */
288 /* Maximum number of games in a cmail message */
289 #define CMAIL_MAX_GAMES 20
291 /* Different types of move when calling RegisterMove */
293 #define CMAIL_RESIGN 1
295 #define CMAIL_ACCEPT 3
297 /* Different types of result to remember for each game */
298 #define CMAIL_NOT_RESULT 0
299 #define CMAIL_OLD_RESULT 1
300 #define CMAIL_NEW_RESULT 2
302 /* Telnet protocol constants */
313 safeStrCpy( char *dst, const char *src, size_t count )
316 assert( dst != NULL );
317 assert( src != NULL );
320 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
321 if( i == count-1 && dst[i] != NULLCHAR)
323 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
324 if(appData.debugMode)
325 printf("safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst,count);
331 /* Some compiler can't cast u64 to double
332 * This function do the job for us:
334 * We use the highest bit for cast, this only
335 * works if the highest bit is not
336 * in use (This should not happen)
338 * We used this for all compiler
341 u64ToDouble(u64 value)
344 u64 tmp = value & u64Const(0x7fffffffffffffff);
345 r = (double)(s64)tmp;
346 if (value & u64Const(0x8000000000000000))
347 r += 9.2233720368547758080e18; /* 2^63 */
351 /* Fake up flags for now, as we aren't keeping track of castling
352 availability yet. [HGM] Change of logic: the flag now only
353 indicates the type of castlings allowed by the rule of the game.
354 The actual rights themselves are maintained in the array
355 castlingRights, as part of the game history, and are not probed
361 int flags = F_ALL_CASTLE_OK;
362 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
363 switch (gameInfo.variant) {
365 flags &= ~F_ALL_CASTLE_OK;
366 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
367 flags |= F_IGNORE_CHECK;
369 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
372 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
374 case VariantKriegspiel:
375 flags |= F_KRIEGSPIEL_CAPTURE;
377 case VariantCapaRandom:
378 case VariantFischeRandom:
379 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
380 case VariantNoCastle:
381 case VariantShatranj:
384 flags &= ~F_ALL_CASTLE_OK;
392 FILE *gameFileFP, *debugFP;
395 [AS] Note: sometimes, the sscanf() function is used to parse the input
396 into a fixed-size buffer. Because of this, we must be prepared to
397 receive strings as long as the size of the input buffer, which is currently
398 set to 4K for Windows and 8K for the rest.
399 So, we must either allocate sufficiently large buffers here, or
400 reduce the size of the input buffer in the input reading part.
403 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
404 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
405 char thinkOutput1[MSG_SIZ*10];
407 ChessProgramState first, second;
409 /* premove variables */
412 int premoveFromX = 0;
413 int premoveFromY = 0;
414 int premovePromoChar = 0;
416 Boolean alarmSounded;
417 /* end premove variables */
419 char *ics_prefix = "$";
420 int ics_type = ICS_GENERIC;
422 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
423 int pauseExamForwardMostMove = 0;
424 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
425 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
426 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
427 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
428 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
429 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
430 int whiteFlag = FALSE, blackFlag = FALSE;
431 int userOfferedDraw = FALSE;
432 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
433 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
434 int cmailMoveType[CMAIL_MAX_GAMES];
435 long ics_clock_paused = 0;
436 ProcRef icsPR = NoProc, cmailPR = NoProc;
437 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
438 GameMode gameMode = BeginningOfGame;
439 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
440 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
441 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
442 int hiddenThinkOutputState = 0; /* [AS] */
443 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
444 int adjudicateLossPlies = 6;
445 char white_holding[64], black_holding[64];
446 TimeMark lastNodeCountTime;
447 long lastNodeCount=0;
448 int shiftKey; // [HGM] set by mouse handler
450 int have_sent_ICS_logon = 0;
451 int sending_ICS_login = 0;
452 int sending_ICS_password = 0;
455 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
456 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
457 long timeControl_2; /* [AS] Allow separate time controls */
458 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
459 long timeRemaining[2][MAX_MOVES];
461 TimeMark programStartTime;
462 char ics_handle[MSG_SIZ];
463 int have_set_title = 0;
465 /* animateTraining preserves the state of appData.animate
466 * when Training mode is activated. This allows the
467 * response to be animated when appData.animate == TRUE and
468 * appData.animateDragging == TRUE.
470 Boolean animateTraining;
476 Board boards[MAX_MOVES];
477 /* [HGM] Following 7 needed for accurate legality tests: */
478 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
479 signed char initialRights[BOARD_FILES];
480 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
481 int initialRulePlies, FENrulePlies;
482 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
485 int mute; // mute all sounds
487 // [HGM] vari: next 12 to save and restore variations
488 #define MAX_VARIATIONS 10
489 int framePtr = MAX_MOVES-1; // points to free stack entry
491 int savedFirst[MAX_VARIATIONS];
492 int savedLast[MAX_VARIATIONS];
493 int savedFramePtr[MAX_VARIATIONS];
494 char *savedDetails[MAX_VARIATIONS];
495 ChessMove savedResult[MAX_VARIATIONS];
497 void PushTail P((int firstMove, int lastMove));
498 Boolean PopTail P((Boolean annotate));
499 void CleanupTail P((void));
501 ChessSquare FIDEArray[2][BOARD_FILES] = {
502 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
503 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
504 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
505 BlackKing, BlackBishop, BlackKnight, BlackRook }
508 ChessSquare twoKingsArray[2][BOARD_FILES] = {
509 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
510 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
511 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
512 BlackKing, BlackKing, BlackKnight, BlackRook }
515 ChessSquare KnightmateArray[2][BOARD_FILES] = {
516 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
517 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
518 { BlackRook, BlackMan, BlackBishop, BlackQueen,
519 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
522 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
523 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
524 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
525 { BlackLance, BlackAlfil, BlackMarshall, BlackAngel,
526 BlackKing, BlackMarshall, BlackAlfil, BlackLance }
529 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
530 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
531 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
532 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
533 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
536 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
537 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
538 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
539 { BlackRook, BlackKnight, BlackMan, BlackFerz,
540 BlackKing, BlackMan, BlackKnight, BlackRook }
544 #if (BOARD_FILES>=10)
545 ChessSquare ShogiArray[2][BOARD_FILES] = {
546 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
547 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
548 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
549 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
552 ChessSquare XiangqiArray[2][BOARD_FILES] = {
553 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
554 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
555 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
556 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
559 ChessSquare CapablancaArray[2][BOARD_FILES] = {
560 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
561 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
562 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
563 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
566 ChessSquare GreatArray[2][BOARD_FILES] = {
567 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
568 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
569 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
570 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
573 ChessSquare JanusArray[2][BOARD_FILES] = {
574 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
575 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
576 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
577 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
581 ChessSquare GothicArray[2][BOARD_FILES] = {
582 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
583 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
584 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
585 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
588 #define GothicArray CapablancaArray
592 ChessSquare FalconArray[2][BOARD_FILES] = {
593 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
594 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
595 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
596 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
599 #define FalconArray CapablancaArray
602 #else // !(BOARD_FILES>=10)
603 #define XiangqiPosition FIDEArray
604 #define CapablancaArray FIDEArray
605 #define GothicArray FIDEArray
606 #define GreatArray FIDEArray
607 #endif // !(BOARD_FILES>=10)
609 #if (BOARD_FILES>=12)
610 ChessSquare CourierArray[2][BOARD_FILES] = {
611 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
612 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
613 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
614 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
616 #else // !(BOARD_FILES>=12)
617 #define CourierArray CapablancaArray
618 #endif // !(BOARD_FILES>=12)
621 Board initialPosition;
624 /* Convert str to a rating. Checks for special cases of "----",
626 "++++", etc. Also strips ()'s */
628 string_to_rating(str)
631 while(*str && !isdigit(*str)) ++str;
633 return 0; /* One of the special "no rating" cases */
641 /* Init programStats */
642 programStats.movelist[0] = 0;
643 programStats.depth = 0;
644 programStats.nr_moves = 0;
645 programStats.moves_left = 0;
646 programStats.nodes = 0;
647 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
648 programStats.score = 0;
649 programStats.got_only_move = 0;
650 programStats.got_fail = 0;
651 programStats.line_is_book = 0;
657 int matched, min, sec;
659 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
660 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
662 GetTimeMark(&programStartTime);
663 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
666 programStats.ok_to_send = 1;
667 programStats.seen_stat = 0;
670 * Initialize game list
676 * Internet chess server status
678 if (appData.icsActive) {
679 appData.matchMode = FALSE;
680 appData.matchGames = 0;
682 appData.noChessProgram = !appData.zippyPlay;
684 appData.zippyPlay = FALSE;
685 appData.zippyTalk = FALSE;
686 appData.noChessProgram = TRUE;
688 if (*appData.icsHelper != NULLCHAR) {
689 appData.useTelnet = TRUE;
690 appData.telnetProgram = appData.icsHelper;
693 appData.zippyTalk = appData.zippyPlay = FALSE;
696 /* [AS] Initialize pv info list [HGM] and game state */
700 for( i=0; i<=framePtr; i++ ) {
701 pvInfoList[i].depth = -1;
702 boards[i][EP_STATUS] = EP_NONE;
703 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
708 * Parse timeControl resource
710 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
711 appData.movesPerSession)) {
713 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
714 DisplayFatalError(buf, 0, 2);
718 * Parse searchTime resource
720 if (*appData.searchTime != NULLCHAR) {
721 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
723 searchTime = min * 60;
724 } else if (matched == 2) {
725 searchTime = min * 60 + sec;
728 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
729 DisplayFatalError(buf, 0, 2);
733 /* [AS] Adjudication threshold */
734 adjudicateLossThreshold = appData.adjudicateLossThreshold;
736 first.which = _("first");
737 second.which = _("second");
738 first.maybeThinking = second.maybeThinking = FALSE;
739 first.pr = second.pr = NoProc;
740 first.isr = second.isr = NULL;
741 first.sendTime = second.sendTime = 2;
742 first.sendDrawOffers = 1;
743 if (appData.firstPlaysBlack) {
744 first.twoMachinesColor = "black\n";
745 second.twoMachinesColor = "white\n";
747 first.twoMachinesColor = "white\n";
748 second.twoMachinesColor = "black\n";
750 first.program = appData.firstChessProgram;
751 second.program = appData.secondChessProgram;
752 first.host = appData.firstHost;
753 second.host = appData.secondHost;
754 first.dir = appData.firstDirectory;
755 second.dir = appData.secondDirectory;
756 first.other = &second;
757 second.other = &first;
758 first.initString = appData.initString;
759 second.initString = appData.secondInitString;
760 first.computerString = appData.firstComputerString;
761 second.computerString = appData.secondComputerString;
762 first.useSigint = second.useSigint = TRUE;
763 first.useSigterm = second.useSigterm = TRUE;
764 first.reuse = appData.reuseFirst;
765 second.reuse = appData.reuseSecond;
766 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
767 second.nps = appData.secondNPS;
768 first.useSetboard = second.useSetboard = FALSE;
769 first.useSAN = second.useSAN = FALSE;
770 first.usePing = second.usePing = FALSE;
771 first.lastPing = second.lastPing = 0;
772 first.lastPong = second.lastPong = 0;
773 first.usePlayother = second.usePlayother = FALSE;
774 first.useColors = second.useColors = TRUE;
775 first.useUsermove = second.useUsermove = FALSE;
776 first.sendICS = second.sendICS = FALSE;
777 first.sendName = second.sendName = appData.icsActive;
778 first.sdKludge = second.sdKludge = FALSE;
779 first.stKludge = second.stKludge = FALSE;
780 TidyProgramName(first.program, first.host, first.tidy);
781 TidyProgramName(second.program, second.host, second.tidy);
782 first.matchWins = second.matchWins = 0;
783 safeStrCpy(first.variants, appData.variant, sizeof(first.variants)/sizeof(first.variants[0]));
784 safeStrCpy(second.variants, appData.variant,sizeof(second.variants)/sizeof(second.variants[0]));
785 first.analysisSupport = second.analysisSupport = 2; /* detect */
786 first.analyzing = second.analyzing = FALSE;
787 first.initDone = second.initDone = FALSE;
789 /* New features added by Tord: */
790 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
791 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
792 /* End of new features added by Tord. */
793 first.fenOverride = appData.fenOverride1;
794 second.fenOverride = appData.fenOverride2;
796 /* [HGM] time odds: set factor for each machine */
797 first.timeOdds = appData.firstTimeOdds;
798 second.timeOdds = appData.secondTimeOdds;
800 if(appData.timeOddsMode) {
801 norm = first.timeOdds;
802 if(norm > second.timeOdds) norm = second.timeOdds;
804 first.timeOdds /= norm;
805 second.timeOdds /= norm;
808 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
809 first.accumulateTC = appData.firstAccumulateTC;
810 second.accumulateTC = appData.secondAccumulateTC;
811 first.maxNrOfSessions = second.maxNrOfSessions = 1;
814 first.debug = second.debug = FALSE;
815 first.supportsNPS = second.supportsNPS = UNKNOWN;
818 first.optionSettings = appData.firstOptions;
819 second.optionSettings = appData.secondOptions;
821 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
822 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
823 first.isUCI = appData.firstIsUCI; /* [AS] */
824 second.isUCI = appData.secondIsUCI; /* [AS] */
825 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
826 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
828 if (appData.firstProtocolVersion > PROTOVER
829 || appData.firstProtocolVersion < 1)
834 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
835 appData.firstProtocolVersion);
836 if( (len > MSG_SIZ) && appData.debugMode )
837 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
839 DisplayFatalError(buf, 0, 2);
843 first.protocolVersion = appData.firstProtocolVersion;
846 if (appData.secondProtocolVersion > PROTOVER
847 || appData.secondProtocolVersion < 1)
852 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
853 appData.secondProtocolVersion);
854 if( (len > MSG_SIZ) && appData.debugMode )
855 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
857 DisplayFatalError(buf, 0, 2);
861 second.protocolVersion = appData.secondProtocolVersion;
864 if (appData.icsActive) {
865 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
866 // } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
867 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
868 appData.clockMode = FALSE;
869 first.sendTime = second.sendTime = 0;
873 /* Override some settings from environment variables, for backward
874 compatibility. Unfortunately it's not feasible to have the env
875 vars just set defaults, at least in xboard. Ugh.
877 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
882 if (appData.noChessProgram) {
883 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
884 sprintf(programVersion, "%s", PACKAGE_STRING);
886 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
887 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
888 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
891 if (!appData.icsActive) {
895 /* Check for variants that are supported only in ICS mode,
896 or not at all. Some that are accepted here nevertheless
897 have bugs; see comments below.
899 VariantClass variant = StringToVariant(appData.variant);
901 case VariantBughouse: /* need four players and two boards */
902 case VariantKriegspiel: /* need to hide pieces and move details */
903 /* case VariantFischeRandom: (Fabien: moved below) */
904 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
905 if( (len > MSG_SIZ) && appData.debugMode )
906 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
908 DisplayFatalError(buf, 0, 2);
912 case VariantLoadable:
922 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
923 if( (len > MSG_SIZ) && appData.debugMode )
924 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
926 DisplayFatalError(buf, 0, 2);
929 case VariantXiangqi: /* [HGM] repetition rules not implemented */
930 case VariantFairy: /* [HGM] TestLegality definitely off! */
931 case VariantGothic: /* [HGM] should work */
932 case VariantCapablanca: /* [HGM] should work */
933 case VariantCourier: /* [HGM] initial forced moves not implemented */
934 case VariantShogi: /* [HGM] could still mate with pawn drop */
935 case VariantKnightmate: /* [HGM] should work */
936 case VariantCylinder: /* [HGM] untested */
937 case VariantFalcon: /* [HGM] untested */
938 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
939 offboard interposition not understood */
940 case VariantNormal: /* definitely works! */
941 case VariantWildCastle: /* pieces not automatically shuffled */
942 case VariantNoCastle: /* pieces not automatically shuffled */
943 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
944 case VariantLosers: /* should work except for win condition,
945 and doesn't know captures are mandatory */
946 case VariantSuicide: /* should work except for win condition,
947 and doesn't know captures are mandatory */
948 case VariantGiveaway: /* should work except for win condition,
949 and doesn't know captures are mandatory */
950 case VariantTwoKings: /* should work */
951 case VariantAtomic: /* should work except for win condition */
952 case Variant3Check: /* should work except for win condition */
953 case VariantShatranj: /* should work except for all win conditions */
954 case VariantMakruk: /* should work except for daw countdown */
955 case VariantBerolina: /* might work if TestLegality is off */
956 case VariantCapaRandom: /* should work */
957 case VariantJanus: /* should work */
958 case VariantSuper: /* experimental */
959 case VariantGreat: /* experimental, requires legality testing to be off */
960 case VariantSChess: /* S-Chess, should work */
965 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
966 InitEngineUCI( installDir, &second );
969 int NextIntegerFromString( char ** str, long * value )
974 while( *s == ' ' || *s == '\t' ) {
980 if( *s >= '0' && *s <= '9' ) {
981 while( *s >= '0' && *s <= '9' ) {
982 *value = *value * 10 + (*s - '0');
994 int NextTimeControlFromString( char ** str, long * value )
997 int result = NextIntegerFromString( str, &temp );
1000 *value = temp * 60; /* Minutes */
1001 if( **str == ':' ) {
1003 result = NextIntegerFromString( str, &temp );
1004 *value += temp; /* Seconds */
1011 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1012 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1013 int result = -1, type = 0; long temp, temp2;
1015 if(**str != ':') return -1; // old params remain in force!
1017 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1018 if( NextIntegerFromString( str, &temp ) ) return -1;
1019 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1022 /* time only: incremental or sudden-death time control */
1023 if(**str == '+') { /* increment follows; read it */
1025 if(**str == '!') type = *(*str)++; // Bronstein TC
1026 if(result = NextIntegerFromString( str, &temp2)) return -1;
1027 *inc = temp2 * 1000;
1028 if(**str == '.') { // read fraction of increment
1029 char *start = ++(*str);
1030 if(result = NextIntegerFromString( str, &temp2)) return -1;
1032 while(start++ < *str) temp2 /= 10;
1036 *moves = 0; *tc = temp * 1000; *incType = type;
1040 (*str)++; /* classical time control */
1041 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1052 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1053 { /* [HGM] get time to add from the multi-session time-control string */
1054 int incType, moves=1; /* kludge to force reading of first session */
1055 long time, increment;
1058 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1059 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1061 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1062 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1063 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1064 if(movenr == -1) return time; /* last move before new session */
1065 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1066 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1067 if(!moves) return increment; /* current session is incremental */
1068 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1069 } while(movenr >= -1); /* try again for next session */
1071 return 0; // no new time quota on this move
1075 ParseTimeControl(tc, ti, mps)
1082 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1085 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1086 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1087 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1091 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1093 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1096 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1098 snprintf(buf, MSG_SIZ, ":%s", mytc);
1100 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1102 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1107 /* Parse second time control */
1110 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1118 timeControl_2 = tc2 * 1000;
1128 timeControl = tc1 * 1000;
1131 timeIncrement = ti * 1000; /* convert to ms */
1132 movesPerSession = 0;
1135 movesPerSession = mps;
1143 if (appData.debugMode) {
1144 fprintf(debugFP, "%s\n", programVersion);
1147 set_cont_sequence(appData.wrapContSeq);
1148 if (appData.matchGames > 0) {
1149 appData.matchMode = TRUE;
1150 } else if (appData.matchMode) {
1151 appData.matchGames = 1;
1153 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1154 appData.matchGames = appData.sameColorGames;
1155 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1156 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1157 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1160 if (appData.noChessProgram || first.protocolVersion == 1) {
1163 /* kludge: allow timeout for initial "feature" commands */
1165 DisplayMessage("", _("Starting chess program"));
1166 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1171 InitBackEnd3 P((void))
1173 GameMode initialMode;
1177 InitChessProgram(&first, startedFromSetupPosition);
1179 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1180 free(programVersion);
1181 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1182 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1185 if (appData.icsActive) {
1187 /* [DM] Make a console window if needed [HGM] merged ifs */
1193 if (*appData.icsCommPort != NULLCHAR)
1194 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1195 appData.icsCommPort);
1197 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1198 appData.icsHost, appData.icsPort);
1200 if( (len > MSG_SIZ) && appData.debugMode )
1201 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1203 DisplayFatalError(buf, err, 1);
1208 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1210 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1211 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1212 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1213 } else if (appData.noChessProgram) {
1219 if (*appData.cmailGameName != NULLCHAR) {
1221 OpenLoopback(&cmailPR);
1223 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1227 DisplayMessage("", "");
1228 if (StrCaseCmp(appData.initialMode, "") == 0) {
1229 initialMode = BeginningOfGame;
1230 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1231 initialMode = TwoMachinesPlay;
1232 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1233 initialMode = AnalyzeFile;
1234 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1235 initialMode = AnalyzeMode;
1236 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1237 initialMode = MachinePlaysWhite;
1238 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1239 initialMode = MachinePlaysBlack;
1240 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1241 initialMode = EditGame;
1242 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1243 initialMode = EditPosition;
1244 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1245 initialMode = Training;
1247 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1248 if( (len > MSG_SIZ) && appData.debugMode )
1249 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1251 DisplayFatalError(buf, 0, 2);
1255 if (appData.matchMode) {
1256 /* Set up machine vs. machine match */
1257 if (appData.noChessProgram) {
1258 DisplayFatalError(_("Can't have a match with no chess programs"),
1264 if (*appData.loadGameFile != NULLCHAR) {
1265 int index = appData.loadGameIndex; // [HGM] autoinc
1266 if(index<0) lastIndex = index = 1;
1267 if (!LoadGameFromFile(appData.loadGameFile,
1269 appData.loadGameFile, FALSE)) {
1270 DisplayFatalError(_("Bad game file"), 0, 1);
1273 } else if (*appData.loadPositionFile != NULLCHAR) {
1274 int index = appData.loadPositionIndex; // [HGM] autoinc
1275 if(index<0) lastIndex = index = 1;
1276 if (!LoadPositionFromFile(appData.loadPositionFile,
1278 appData.loadPositionFile)) {
1279 DisplayFatalError(_("Bad position file"), 0, 1);
1284 } else if (*appData.cmailGameName != NULLCHAR) {
1285 /* Set up cmail mode */
1286 ReloadCmailMsgEvent(TRUE);
1288 /* Set up other modes */
1289 if (initialMode == AnalyzeFile) {
1290 if (*appData.loadGameFile == NULLCHAR) {
1291 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1295 if (*appData.loadGameFile != NULLCHAR) {
1296 (void) LoadGameFromFile(appData.loadGameFile,
1297 appData.loadGameIndex,
1298 appData.loadGameFile, TRUE);
1299 } else if (*appData.loadPositionFile != NULLCHAR) {
1300 (void) LoadPositionFromFile(appData.loadPositionFile,
1301 appData.loadPositionIndex,
1302 appData.loadPositionFile);
1303 /* [HGM] try to make self-starting even after FEN load */
1304 /* to allow automatic setup of fairy variants with wtm */
1305 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1306 gameMode = BeginningOfGame;
1307 setboardSpoiledMachineBlack = 1;
1309 /* [HGM] loadPos: make that every new game uses the setup */
1310 /* from file as long as we do not switch variant */
1311 if(!blackPlaysFirst) {
1312 startedFromPositionFile = TRUE;
1313 CopyBoard(filePosition, boards[0]);
1316 if (initialMode == AnalyzeMode) {
1317 if (appData.noChessProgram) {
1318 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1321 if (appData.icsActive) {
1322 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1326 } else if (initialMode == AnalyzeFile) {
1327 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1328 ShowThinkingEvent();
1330 AnalysisPeriodicEvent(1);
1331 } else if (initialMode == MachinePlaysWhite) {
1332 if (appData.noChessProgram) {
1333 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1337 if (appData.icsActive) {
1338 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1342 MachineWhiteEvent();
1343 } else if (initialMode == MachinePlaysBlack) {
1344 if (appData.noChessProgram) {
1345 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1349 if (appData.icsActive) {
1350 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1354 MachineBlackEvent();
1355 } else if (initialMode == TwoMachinesPlay) {
1356 if (appData.noChessProgram) {
1357 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1361 if (appData.icsActive) {
1362 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1367 } else if (initialMode == EditGame) {
1369 } else if (initialMode == EditPosition) {
1370 EditPositionEvent();
1371 } else if (initialMode == Training) {
1372 if (*appData.loadGameFile == NULLCHAR) {
1373 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1382 * Establish will establish a contact to a remote host.port.
1383 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1384 * used to talk to the host.
1385 * Returns 0 if okay, error code if not.
1392 if (*appData.icsCommPort != NULLCHAR) {
1393 /* Talk to the host through a serial comm port */
1394 return OpenCommPort(appData.icsCommPort, &icsPR);
1396 } else if (*appData.gateway != NULLCHAR) {
1397 if (*appData.remoteShell == NULLCHAR) {
1398 /* Use the rcmd protocol to run telnet program on a gateway host */
1399 snprintf(buf, sizeof(buf), "%s %s %s",
1400 appData.telnetProgram, appData.icsHost, appData.icsPort);
1401 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1404 /* Use the rsh program to run telnet program on a gateway host */
1405 if (*appData.remoteUser == NULLCHAR) {
1406 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1407 appData.gateway, appData.telnetProgram,
1408 appData.icsHost, appData.icsPort);
1410 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1411 appData.remoteShell, appData.gateway,
1412 appData.remoteUser, appData.telnetProgram,
1413 appData.icsHost, appData.icsPort);
1415 return StartChildProcess(buf, "", &icsPR);
1418 } else if (appData.useTelnet) {
1419 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1422 /* TCP socket interface differs somewhat between
1423 Unix and NT; handle details in the front end.
1425 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1429 void EscapeExpand(char *p, char *q)
1430 { // [HGM] initstring: routine to shape up string arguments
1431 while(*p++ = *q++) if(p[-1] == '\\')
1433 case 'n': p[-1] = '\n'; break;
1434 case 'r': p[-1] = '\r'; break;
1435 case 't': p[-1] = '\t'; break;
1436 case '\\': p[-1] = '\\'; break;
1437 case 0: *p = 0; return;
1438 default: p[-1] = q[-1]; break;
1443 show_bytes(fp, buf, count)
1449 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1450 fprintf(fp, "\\%03o", *buf & 0xff);
1459 /* Returns an errno value */
1461 OutputMaybeTelnet(pr, message, count, outError)
1467 char buf[8192], *p, *q, *buflim;
1468 int left, newcount, outcount;
1470 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1471 *appData.gateway != NULLCHAR) {
1472 if (appData.debugMode) {
1473 fprintf(debugFP, ">ICS: ");
1474 show_bytes(debugFP, message, count);
1475 fprintf(debugFP, "\n");
1477 return OutputToProcess(pr, message, count, outError);
1480 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1487 if (appData.debugMode) {
1488 fprintf(debugFP, ">ICS: ");
1489 show_bytes(debugFP, buf, newcount);
1490 fprintf(debugFP, "\n");
1492 outcount = OutputToProcess(pr, buf, newcount, outError);
1493 if (outcount < newcount) return -1; /* to be sure */
1500 } else if (((unsigned char) *p) == TN_IAC) {
1501 *q++ = (char) TN_IAC;
1508 if (appData.debugMode) {
1509 fprintf(debugFP, ">ICS: ");
1510 show_bytes(debugFP, buf, newcount);
1511 fprintf(debugFP, "\n");
1513 outcount = OutputToProcess(pr, buf, newcount, outError);
1514 if (outcount < newcount) return -1; /* to be sure */
1519 read_from_player(isr, closure, message, count, error)
1526 int outError, outCount;
1527 static int gotEof = 0;
1529 /* Pass data read from player on to ICS */
1532 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1533 if (outCount < count) {
1534 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1536 } else if (count < 0) {
1537 RemoveInputSource(isr);
1538 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1539 } else if (gotEof++ > 0) {
1540 RemoveInputSource(isr);
1541 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1547 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1548 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1549 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1550 SendToICS("date\n");
1551 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1554 /* added routine for printf style output to ics */
1555 void ics_printf(char *format, ...)
1557 char buffer[MSG_SIZ];
1560 va_start(args, format);
1561 vsnprintf(buffer, sizeof(buffer), format, args);
1562 buffer[sizeof(buffer)-1] = '\0';
1571 int count, outCount, outError;
1573 if (icsPR == NULL) return;
1576 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1577 if (outCount < count) {
1578 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1582 /* This is used for sending logon scripts to the ICS. Sending
1583 without a delay causes problems when using timestamp on ICC
1584 (at least on my machine). */
1586 SendToICSDelayed(s,msdelay)
1590 int count, outCount, outError;
1592 if (icsPR == NULL) return;
1595 if (appData.debugMode) {
1596 fprintf(debugFP, ">ICS: ");
1597 show_bytes(debugFP, s, count);
1598 fprintf(debugFP, "\n");
1600 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1602 if (outCount < count) {
1603 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1608 /* Remove all highlighting escape sequences in s
1609 Also deletes any suffix starting with '('
1612 StripHighlightAndTitle(s)
1615 static char retbuf[MSG_SIZ];
1618 while (*s != NULLCHAR) {
1619 while (*s == '\033') {
1620 while (*s != NULLCHAR && !isalpha(*s)) s++;
1621 if (*s != NULLCHAR) s++;
1623 while (*s != NULLCHAR && *s != '\033') {
1624 if (*s == '(' || *s == '[') {
1635 /* Remove all highlighting escape sequences in s */
1640 static char retbuf[MSG_SIZ];
1643 while (*s != NULLCHAR) {
1644 while (*s == '\033') {
1645 while (*s != NULLCHAR && !isalpha(*s)) s++;
1646 if (*s != NULLCHAR) s++;
1648 while (*s != NULLCHAR && *s != '\033') {
1656 char *variantNames[] = VARIANT_NAMES;
1661 return variantNames[v];
1665 /* Identify a variant from the strings the chess servers use or the
1666 PGN Variant tag names we use. */
1673 VariantClass v = VariantNormal;
1674 int i, found = FALSE;
1680 /* [HGM] skip over optional board-size prefixes */
1681 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1682 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1683 while( *e++ != '_');
1686 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1690 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1691 if (StrCaseStr(e, variantNames[i])) {
1692 v = (VariantClass) i;
1699 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1700 || StrCaseStr(e, "wild/fr")
1701 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1702 v = VariantFischeRandom;
1703 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1704 (i = 1, p = StrCaseStr(e, "w"))) {
1706 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1713 case 0: /* FICS only, actually */
1715 /* Castling legal even if K starts on d-file */
1716 v = VariantWildCastle;
1721 /* Castling illegal even if K & R happen to start in
1722 normal positions. */
1723 v = VariantNoCastle;
1736 /* Castling legal iff K & R start in normal positions */
1742 /* Special wilds for position setup; unclear what to do here */
1743 v = VariantLoadable;
1746 /* Bizarre ICC game */
1747 v = VariantTwoKings;
1750 v = VariantKriegspiel;
1756 v = VariantFischeRandom;
1759 v = VariantCrazyhouse;
1762 v = VariantBughouse;
1768 /* Not quite the same as FICS suicide! */
1769 v = VariantGiveaway;
1775 v = VariantShatranj;
1778 /* Temporary names for future ICC types. The name *will* change in
1779 the next xboard/WinBoard release after ICC defines it. */
1817 v = VariantCapablanca;
1820 v = VariantKnightmate;
1826 v = VariantCylinder;
1832 v = VariantCapaRandom;
1835 v = VariantBerolina;
1847 /* Found "wild" or "w" in the string but no number;
1848 must assume it's normal chess. */
1852 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
1853 if( (len > MSG_SIZ) && appData.debugMode )
1854 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
1856 DisplayError(buf, 0);
1862 if (appData.debugMode) {
1863 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1864 e, wnum, VariantName(v));
1869 static int leftover_start = 0, leftover_len = 0;
1870 char star_match[STAR_MATCH_N][MSG_SIZ];
1872 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1873 advance *index beyond it, and set leftover_start to the new value of
1874 *index; else return FALSE. If pattern contains the character '*', it
1875 matches any sequence of characters not containing '\r', '\n', or the
1876 character following the '*' (if any), and the matched sequence(s) are
1877 copied into star_match.
1880 looking_at(buf, index, pattern)
1885 char *bufp = &buf[*index], *patternp = pattern;
1887 char *matchp = star_match[0];
1890 if (*patternp == NULLCHAR) {
1891 *index = leftover_start = bufp - buf;
1895 if (*bufp == NULLCHAR) return FALSE;
1896 if (*patternp == '*') {
1897 if (*bufp == *(patternp + 1)) {
1899 matchp = star_match[++star_count];
1903 } else if (*bufp == '\n' || *bufp == '\r') {
1905 if (*patternp == NULLCHAR)
1910 *matchp++ = *bufp++;
1914 if (*patternp != *bufp) return FALSE;
1921 SendToPlayer(data, length)
1925 int error, outCount;
1926 outCount = OutputToProcess(NoProc, data, length, &error);
1927 if (outCount < length) {
1928 DisplayFatalError(_("Error writing to display"), error, 1);
1933 PackHolding(packed, holding)
1945 switch (runlength) {
1956 sprintf(q, "%d", runlength);
1968 /* Telnet protocol requests from the front end */
1970 TelnetRequest(ddww, option)
1971 unsigned char ddww, option;
1973 unsigned char msg[3];
1974 int outCount, outError;
1976 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1978 if (appData.debugMode) {
1979 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1995 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2004 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2007 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2012 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2014 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2021 if (!appData.icsActive) return;
2022 TelnetRequest(TN_DO, TN_ECHO);
2028 if (!appData.icsActive) return;
2029 TelnetRequest(TN_DONT, TN_ECHO);
2033 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2035 /* put the holdings sent to us by the server on the board holdings area */
2036 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2040 if(gameInfo.holdingsWidth < 2) return;
2041 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2042 return; // prevent overwriting by pre-board holdings
2044 if( (int)lowestPiece >= BlackPawn ) {
2047 holdingsStartRow = BOARD_HEIGHT-1;
2050 holdingsColumn = BOARD_WIDTH-1;
2051 countsColumn = BOARD_WIDTH-2;
2052 holdingsStartRow = 0;
2056 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2057 board[i][holdingsColumn] = EmptySquare;
2058 board[i][countsColumn] = (ChessSquare) 0;
2060 while( (p=*holdings++) != NULLCHAR ) {
2061 piece = CharToPiece( ToUpper(p) );
2062 if(piece == EmptySquare) continue;
2063 /*j = (int) piece - (int) WhitePawn;*/
2064 j = PieceToNumber(piece);
2065 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2066 if(j < 0) continue; /* should not happen */
2067 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2068 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2069 board[holdingsStartRow+j*direction][countsColumn]++;
2075 VariantSwitch(Board board, VariantClass newVariant)
2077 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2078 static Board oldBoard;
2080 startedFromPositionFile = FALSE;
2081 if(gameInfo.variant == newVariant) return;
2083 /* [HGM] This routine is called each time an assignment is made to
2084 * gameInfo.variant during a game, to make sure the board sizes
2085 * are set to match the new variant. If that means adding or deleting
2086 * holdings, we shift the playing board accordingly
2087 * This kludge is needed because in ICS observe mode, we get boards
2088 * of an ongoing game without knowing the variant, and learn about the
2089 * latter only later. This can be because of the move list we requested,
2090 * in which case the game history is refilled from the beginning anyway,
2091 * but also when receiving holdings of a crazyhouse game. In the latter
2092 * case we want to add those holdings to the already received position.
2096 if (appData.debugMode) {
2097 fprintf(debugFP, "Switch board from %s to %s\n",
2098 VariantName(gameInfo.variant), VariantName(newVariant));
2099 setbuf(debugFP, NULL);
2101 shuffleOpenings = 0; /* [HGM] shuffle */
2102 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2106 newWidth = 9; newHeight = 9;
2107 gameInfo.holdingsSize = 7;
2108 case VariantBughouse:
2109 case VariantCrazyhouse:
2110 newHoldingsWidth = 2; break;
2114 newHoldingsWidth = 2;
2115 gameInfo.holdingsSize = 8;
2118 case VariantCapablanca:
2119 case VariantCapaRandom:
2122 newHoldingsWidth = gameInfo.holdingsSize = 0;
2125 if(newWidth != gameInfo.boardWidth ||
2126 newHeight != gameInfo.boardHeight ||
2127 newHoldingsWidth != gameInfo.holdingsWidth ) {
2129 /* shift position to new playing area, if needed */
2130 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2131 for(i=0; i<BOARD_HEIGHT; i++)
2132 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2133 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2135 for(i=0; i<newHeight; i++) {
2136 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2137 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2139 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2140 for(i=0; i<BOARD_HEIGHT; i++)
2141 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2142 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2145 gameInfo.boardWidth = newWidth;
2146 gameInfo.boardHeight = newHeight;
2147 gameInfo.holdingsWidth = newHoldingsWidth;
2148 gameInfo.variant = newVariant;
2149 InitDrawingSizes(-2, 0);
2150 } else gameInfo.variant = newVariant;
2151 CopyBoard(oldBoard, board); // remember correctly formatted board
2152 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2153 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2156 static int loggedOn = FALSE;
2158 /*-- Game start info cache: --*/
2160 char gs_kind[MSG_SIZ];
2161 static char player1Name[128] = "";
2162 static char player2Name[128] = "";
2163 static char cont_seq[] = "\n\\ ";
2164 static int player1Rating = -1;
2165 static int player2Rating = -1;
2166 /*----------------------------*/
2168 ColorClass curColor = ColorNormal;
2169 int suppressKibitz = 0;
2172 Boolean soughtPending = FALSE;
2173 Boolean seekGraphUp;
2174 #define MAX_SEEK_ADS 200
2176 char *seekAdList[MAX_SEEK_ADS];
2177 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2178 float tcList[MAX_SEEK_ADS];
2179 char colorList[MAX_SEEK_ADS];
2180 int nrOfSeekAds = 0;
2181 int minRating = 1010, maxRating = 2800;
2182 int hMargin = 10, vMargin = 20, h, w;
2183 extern int squareSize, lineGap;
2188 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2189 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2190 if(r < minRating+100 && r >=0 ) r = minRating+100;
2191 if(r > maxRating) r = maxRating;
2192 if(tc < 1.) tc = 1.;
2193 if(tc > 95.) tc = 95.;
2194 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2195 y = ((double)r - minRating)/(maxRating - minRating)
2196 * (h-vMargin-squareSize/8-1) + vMargin;
2197 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2198 if(strstr(seekAdList[i], " u ")) color = 1;
2199 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2200 !strstr(seekAdList[i], "bullet") &&
2201 !strstr(seekAdList[i], "blitz") &&
2202 !strstr(seekAdList[i], "standard") ) color = 2;
2203 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2204 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2208 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2210 char buf[MSG_SIZ], *ext = "";
2211 VariantClass v = StringToVariant(type);
2212 if(strstr(type, "wild")) {
2213 ext = type + 4; // append wild number
2214 if(v == VariantFischeRandom) type = "chess960"; else
2215 if(v == VariantLoadable) type = "setup"; else
2216 type = VariantName(v);
2218 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2219 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2220 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2221 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2222 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2223 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2224 seekNrList[nrOfSeekAds] = nr;
2225 zList[nrOfSeekAds] = 0;
2226 seekAdList[nrOfSeekAds++] = StrSave(buf);
2227 if(plot) PlotSeekAd(nrOfSeekAds-1);
2234 int x = xList[i], y = yList[i], d=squareSize/4, k;
2235 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2236 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2237 // now replot every dot that overlapped
2238 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2239 int xx = xList[k], yy = yList[k];
2240 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2241 DrawSeekDot(xx, yy, colorList[k]);
2246 RemoveSeekAd(int nr)
2249 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2251 if(seekAdList[i]) free(seekAdList[i]);
2252 seekAdList[i] = seekAdList[--nrOfSeekAds];
2253 seekNrList[i] = seekNrList[nrOfSeekAds];
2254 ratingList[i] = ratingList[nrOfSeekAds];
2255 colorList[i] = colorList[nrOfSeekAds];
2256 tcList[i] = tcList[nrOfSeekAds];
2257 xList[i] = xList[nrOfSeekAds];
2258 yList[i] = yList[nrOfSeekAds];
2259 zList[i] = zList[nrOfSeekAds];
2260 seekAdList[nrOfSeekAds] = NULL;
2266 MatchSoughtLine(char *line)
2268 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2269 int nr, base, inc, u=0; char dummy;
2271 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2272 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2274 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2275 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2276 // match: compact and save the line
2277 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2287 if(!seekGraphUp) return FALSE;
2288 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2289 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2291 DrawSeekBackground(0, 0, w, h);
2292 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2293 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2294 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2295 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2297 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2300 snprintf(buf, MSG_SIZ, "%d", i);
2301 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2304 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2305 for(i=1; i<100; i+=(i<10?1:5)) {
2306 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2307 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2308 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2310 snprintf(buf, MSG_SIZ, "%d", i);
2311 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2314 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2318 int SeekGraphClick(ClickType click, int x, int y, int moving)
2320 static int lastDown = 0, displayed = 0, lastSecond;
2321 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2322 if(click == Release || moving) return FALSE;
2324 soughtPending = TRUE;
2325 SendToICS(ics_prefix);
2326 SendToICS("sought\n"); // should this be "sought all"?
2327 } else { // issue challenge based on clicked ad
2328 int dist = 10000; int i, closest = 0, second = 0;
2329 for(i=0; i<nrOfSeekAds; i++) {
2330 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2331 if(d < dist) { dist = d; closest = i; }
2332 second += (d - zList[i] < 120); // count in-range ads
2333 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2337 second = (second > 1);
2338 if(displayed != closest || second != lastSecond) {
2339 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2340 lastSecond = second; displayed = closest;
2342 if(click == Press) {
2343 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2346 } // on press 'hit', only show info
2347 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2348 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2349 SendToICS(ics_prefix);
2351 return TRUE; // let incoming board of started game pop down the graph
2352 } else if(click == Release) { // release 'miss' is ignored
2353 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2354 if(moving == 2) { // right up-click
2355 nrOfSeekAds = 0; // refresh graph
2356 soughtPending = TRUE;
2357 SendToICS(ics_prefix);
2358 SendToICS("sought\n"); // should this be "sought all"?
2361 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2362 // press miss or release hit 'pop down' seek graph
2363 seekGraphUp = FALSE;
2364 DrawPosition(TRUE, NULL);
2370 read_from_ics(isr, closure, data, count, error)
2377 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2378 #define STARTED_NONE 0
2379 #define STARTED_MOVES 1
2380 #define STARTED_BOARD 2
2381 #define STARTED_OBSERVE 3
2382 #define STARTED_HOLDINGS 4
2383 #define STARTED_CHATTER 5
2384 #define STARTED_COMMENT 6
2385 #define STARTED_MOVES_NOHIDE 7
2387 static int started = STARTED_NONE;
2388 static char parse[20000];
2389 static int parse_pos = 0;
2390 static char buf[BUF_SIZE + 1];
2391 static int firstTime = TRUE, intfSet = FALSE;
2392 static ColorClass prevColor = ColorNormal;
2393 static int savingComment = FALSE;
2394 static int cmatch = 0; // continuation sequence match
2401 int backup; /* [DM] For zippy color lines */
2403 char talker[MSG_SIZ]; // [HGM] chat
2406 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2408 if (appData.debugMode) {
2410 fprintf(debugFP, "<ICS: ");
2411 show_bytes(debugFP, data, count);
2412 fprintf(debugFP, "\n");
2416 if (appData.debugMode) { int f = forwardMostMove;
2417 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2418 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2419 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2422 /* If last read ended with a partial line that we couldn't parse,
2423 prepend it to the new read and try again. */
2424 if (leftover_len > 0) {
2425 for (i=0; i<leftover_len; i++)
2426 buf[i] = buf[leftover_start + i];
2429 /* copy new characters into the buffer */
2430 bp = buf + leftover_len;
2431 buf_len=leftover_len;
2432 for (i=0; i<count; i++)
2435 if (data[i] == '\r')
2438 // join lines split by ICS?
2439 if (!appData.noJoin)
2442 Joining just consists of finding matches against the
2443 continuation sequence, and discarding that sequence
2444 if found instead of copying it. So, until a match
2445 fails, there's nothing to do since it might be the
2446 complete sequence, and thus, something we don't want
2449 if (data[i] == cont_seq[cmatch])
2452 if (cmatch == strlen(cont_seq))
2454 cmatch = 0; // complete match. just reset the counter
2457 it's possible for the ICS to not include the space
2458 at the end of the last word, making our [correct]
2459 join operation fuse two separate words. the server
2460 does this when the space occurs at the width setting.
2462 if (!buf_len || buf[buf_len-1] != ' ')
2473 match failed, so we have to copy what matched before
2474 falling through and copying this character. In reality,
2475 this will only ever be just the newline character, but
2476 it doesn't hurt to be precise.
2478 strncpy(bp, cont_seq, cmatch);
2490 buf[buf_len] = NULLCHAR;
2491 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2496 while (i < buf_len) {
2497 /* Deal with part of the TELNET option negotiation
2498 protocol. We refuse to do anything beyond the
2499 defaults, except that we allow the WILL ECHO option,
2500 which ICS uses to turn off password echoing when we are
2501 directly connected to it. We reject this option
2502 if localLineEditing mode is on (always on in xboard)
2503 and we are talking to port 23, which might be a real
2504 telnet server that will try to keep WILL ECHO on permanently.
2506 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2507 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2508 unsigned char option;
2510 switch ((unsigned char) buf[++i]) {
2512 if (appData.debugMode)
2513 fprintf(debugFP, "\n<WILL ");
2514 switch (option = (unsigned char) buf[++i]) {
2516 if (appData.debugMode)
2517 fprintf(debugFP, "ECHO ");
2518 /* Reply only if this is a change, according
2519 to the protocol rules. */
2520 if (remoteEchoOption) break;
2521 if (appData.localLineEditing &&
2522 atoi(appData.icsPort) == TN_PORT) {
2523 TelnetRequest(TN_DONT, TN_ECHO);
2526 TelnetRequest(TN_DO, TN_ECHO);
2527 remoteEchoOption = TRUE;
2531 if (appData.debugMode)
2532 fprintf(debugFP, "%d ", option);
2533 /* Whatever this is, we don't want it. */
2534 TelnetRequest(TN_DONT, option);
2539 if (appData.debugMode)
2540 fprintf(debugFP, "\n<WONT ");
2541 switch (option = (unsigned char) buf[++i]) {
2543 if (appData.debugMode)
2544 fprintf(debugFP, "ECHO ");
2545 /* Reply only if this is a change, according
2546 to the protocol rules. */
2547 if (!remoteEchoOption) break;
2549 TelnetRequest(TN_DONT, TN_ECHO);
2550 remoteEchoOption = FALSE;
2553 if (appData.debugMode)
2554 fprintf(debugFP, "%d ", (unsigned char) option);
2555 /* Whatever this is, it must already be turned
2556 off, because we never agree to turn on
2557 anything non-default, so according to the
2558 protocol rules, we don't reply. */
2563 if (appData.debugMode)
2564 fprintf(debugFP, "\n<DO ");
2565 switch (option = (unsigned char) buf[++i]) {
2567 /* Whatever this is, we refuse to do it. */
2568 if (appData.debugMode)
2569 fprintf(debugFP, "%d ", option);
2570 TelnetRequest(TN_WONT, option);
2575 if (appData.debugMode)
2576 fprintf(debugFP, "\n<DONT ");
2577 switch (option = (unsigned char) buf[++i]) {
2579 if (appData.debugMode)
2580 fprintf(debugFP, "%d ", option);
2581 /* Whatever this is, we are already not doing
2582 it, because we never agree to do anything
2583 non-default, so according to the protocol
2584 rules, we don't reply. */
2589 if (appData.debugMode)
2590 fprintf(debugFP, "\n<IAC ");
2591 /* Doubled IAC; pass it through */
2595 if (appData.debugMode)
2596 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2597 /* Drop all other telnet commands on the floor */
2600 if (oldi > next_out)
2601 SendToPlayer(&buf[next_out], oldi - next_out);
2607 /* OK, this at least will *usually* work */
2608 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2612 if (loggedOn && !intfSet) {
2613 if (ics_type == ICS_ICC) {
2614 snprintf(str, MSG_SIZ,
2615 "/set-quietly interface %s\n/set-quietly style 12\n",
2617 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2618 strcat(str, "/set-2 51 1\n/set seek 1\n");
2619 } else if (ics_type == ICS_CHESSNET) {
2620 snprintf(str, MSG_SIZ, "/style 12\n");
2622 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2623 strcat(str, programVersion);
2624 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2625 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2626 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2628 strcat(str, "$iset nohighlight 1\n");
2630 strcat(str, "$iset lock 1\n$style 12\n");
2633 NotifyFrontendLogin();
2637 if (started == STARTED_COMMENT) {
2638 /* Accumulate characters in comment */
2639 parse[parse_pos++] = buf[i];
2640 if (buf[i] == '\n') {
2641 parse[parse_pos] = NULLCHAR;
2642 if(chattingPartner>=0) {
2644 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2645 OutputChatMessage(chattingPartner, mess);
2646 chattingPartner = -1;
2647 next_out = i+1; // [HGM] suppress printing in ICS window
2649 if(!suppressKibitz) // [HGM] kibitz
2650 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2651 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2652 int nrDigit = 0, nrAlph = 0, j;
2653 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2654 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2655 parse[parse_pos] = NULLCHAR;
2656 // try to be smart: if it does not look like search info, it should go to
2657 // ICS interaction window after all, not to engine-output window.
2658 for(j=0; j<parse_pos; j++) { // count letters and digits
2659 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2660 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2661 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2663 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2664 int depth=0; float score;
2665 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2666 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2667 pvInfoList[forwardMostMove-1].depth = depth;
2668 pvInfoList[forwardMostMove-1].score = 100*score;
2670 OutputKibitz(suppressKibitz, parse);
2673 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2674 SendToPlayer(tmp, strlen(tmp));
2676 next_out = i+1; // [HGM] suppress printing in ICS window
2678 started = STARTED_NONE;
2680 /* Don't match patterns against characters in comment */
2685 if (started == STARTED_CHATTER) {
2686 if (buf[i] != '\n') {
2687 /* Don't match patterns against characters in chatter */
2691 started = STARTED_NONE;
2692 if(suppressKibitz) next_out = i+1;
2695 /* Kludge to deal with rcmd protocol */
2696 if (firstTime && looking_at(buf, &i, "\001*")) {
2697 DisplayFatalError(&buf[1], 0, 1);
2703 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2706 if (appData.debugMode)
2707 fprintf(debugFP, "ics_type %d\n", ics_type);
2710 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2711 ics_type = ICS_FICS;
2713 if (appData.debugMode)
2714 fprintf(debugFP, "ics_type %d\n", ics_type);
2717 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2718 ics_type = ICS_CHESSNET;
2720 if (appData.debugMode)
2721 fprintf(debugFP, "ics_type %d\n", ics_type);
2726 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2727 looking_at(buf, &i, "Logging you in as \"*\"") ||
2728 looking_at(buf, &i, "will be \"*\""))) {
2729 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
2733 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2735 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2736 DisplayIcsInteractionTitle(buf);
2737 have_set_title = TRUE;
2740 /* skip finger notes */
2741 if (started == STARTED_NONE &&
2742 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2743 (buf[i] == '1' && buf[i+1] == '0')) &&
2744 buf[i+2] == ':' && buf[i+3] == ' ') {
2745 started = STARTED_CHATTER;
2751 // [HGM] seekgraph: recognize sought lines and end-of-sought message
2752 if(appData.seekGraph) {
2753 if(soughtPending && MatchSoughtLine(buf+i)) {
2754 i = strstr(buf+i, "rated") - buf;
2755 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2756 next_out = leftover_start = i;
2757 started = STARTED_CHATTER;
2758 suppressKibitz = TRUE;
2761 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
2762 && looking_at(buf, &i, "* ads displayed")) {
2763 soughtPending = FALSE;
2768 if(appData.autoRefresh) {
2769 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
2770 int s = (ics_type == ICS_ICC); // ICC format differs
2772 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
2773 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
2774 looking_at(buf, &i, "*% "); // eat prompt
2775 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
2776 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2777 next_out = i; // suppress
2780 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
2781 char *p = star_match[0];
2783 if(seekGraphUp) RemoveSeekAd(atoi(p));
2784 while(*p && *p++ != ' '); // next
2786 looking_at(buf, &i, "*% "); // eat prompt
2787 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2794 /* skip formula vars */
2795 if (started == STARTED_NONE &&
2796 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2797 started = STARTED_CHATTER;
2802 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2803 if (appData.autoKibitz && started == STARTED_NONE &&
2804 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2805 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2806 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
2807 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2808 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2809 suppressKibitz = TRUE;
2810 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2812 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2813 && (gameMode == IcsPlayingWhite)) ||
2814 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2815 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2816 started = STARTED_CHATTER; // own kibitz we simply discard
2818 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2819 parse_pos = 0; parse[0] = NULLCHAR;
2820 savingComment = TRUE;
2821 suppressKibitz = gameMode != IcsObserving ? 2 :
2822 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2826 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
2827 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
2828 && atoi(star_match[0])) {
2829 // suppress the acknowledgements of our own autoKibitz
2831 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2832 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
2833 SendToPlayer(star_match[0], strlen(star_match[0]));
2834 if(looking_at(buf, &i, "*% ")) // eat prompt
2835 suppressKibitz = FALSE;
2839 } // [HGM] kibitz: end of patch
2841 // [HGM] chat: intercept tells by users for which we have an open chat window
2843 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2844 looking_at(buf, &i, "* whispers:") ||
2845 looking_at(buf, &i, "* kibitzes:") ||
2846 looking_at(buf, &i, "* shouts:") ||
2847 looking_at(buf, &i, "* c-shouts:") ||
2848 looking_at(buf, &i, "--> * ") ||
2849 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2850 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
2851 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
2852 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
2854 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2855 chattingPartner = -1;
2857 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2858 for(p=0; p<MAX_CHAT; p++) {
2859 if(channel == atoi(chatPartner[p])) {
2860 talker[0] = '['; strcat(talker, "] ");
2861 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
2862 chattingPartner = p; break;
2865 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
2866 for(p=0; p<MAX_CHAT; p++) {
2867 if(!strcmp("kibitzes", chatPartner[p])) {
2868 talker[0] = '['; strcat(talker, "] ");
2869 chattingPartner = p; break;
2872 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2873 for(p=0; p<MAX_CHAT; p++) {
2874 if(!strcmp("whispers", chatPartner[p])) {
2875 talker[0] = '['; strcat(talker, "] ");
2876 chattingPartner = p; break;
2879 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
2880 if(buf[i-8] == '-' && buf[i-3] == 't')
2881 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
2882 if(!strcmp("c-shouts", chatPartner[p])) {
2883 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
2884 chattingPartner = p; break;
2887 if(chattingPartner < 0)
2888 for(p=0; p<MAX_CHAT; p++) {
2889 if(!strcmp("shouts", chatPartner[p])) {
2890 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
2891 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
2892 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
2893 chattingPartner = p; break;
2897 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2898 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2899 talker[0] = 0; Colorize(ColorTell, FALSE);
2900 chattingPartner = p; break;
2902 if(chattingPartner<0) i = oldi; else {
2903 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
2904 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
2905 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2906 started = STARTED_COMMENT;
2907 parse_pos = 0; parse[0] = NULLCHAR;
2908 savingComment = 3 + chattingPartner; // counts as TRUE
2909 suppressKibitz = TRUE;
2912 } // [HGM] chat: end of patch
2914 if (appData.zippyTalk || appData.zippyPlay) {
2915 /* [DM] Backup address for color zippy lines */
2918 if (loggedOn == TRUE)
2919 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2920 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2922 } // [DM] 'else { ' deleted
2924 /* Regular tells and says */
2925 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2926 looking_at(buf, &i, "* (your partner) tells you: ") ||
2927 looking_at(buf, &i, "* says: ") ||
2928 /* Don't color "message" or "messages" output */
2929 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2930 looking_at(buf, &i, "*. * at *:*: ") ||
2931 looking_at(buf, &i, "--* (*:*): ") ||
2932 /* Message notifications (same color as tells) */
2933 looking_at(buf, &i, "* has left a message ") ||
2934 looking_at(buf, &i, "* just sent you a message:\n") ||
2935 /* Whispers and kibitzes */
2936 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2937 looking_at(buf, &i, "* kibitzes: ") ||
2939 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2941 if (tkind == 1 && strchr(star_match[0], ':')) {
2942 /* Avoid "tells you:" spoofs in channels */
2945 if (star_match[0][0] == NULLCHAR ||
2946 strchr(star_match[0], ' ') ||
2947 (tkind == 3 && strchr(star_match[1], ' '))) {
2948 /* Reject bogus matches */
2951 if (appData.colorize) {
2952 if (oldi > next_out) {
2953 SendToPlayer(&buf[next_out], oldi - next_out);
2958 Colorize(ColorTell, FALSE);
2959 curColor = ColorTell;
2962 Colorize(ColorKibitz, FALSE);
2963 curColor = ColorKibitz;
2966 p = strrchr(star_match[1], '(');
2973 Colorize(ColorChannel1, FALSE);
2974 curColor = ColorChannel1;
2976 Colorize(ColorChannel, FALSE);
2977 curColor = ColorChannel;
2981 curColor = ColorNormal;
2985 if (started == STARTED_NONE && appData.autoComment &&
2986 (gameMode == IcsObserving ||
2987 gameMode == IcsPlayingWhite ||
2988 gameMode == IcsPlayingBlack)) {
2989 parse_pos = i - oldi;
2990 memcpy(parse, &buf[oldi], parse_pos);
2991 parse[parse_pos] = NULLCHAR;
2992 started = STARTED_COMMENT;
2993 savingComment = TRUE;
2995 started = STARTED_CHATTER;
2996 savingComment = FALSE;
3003 if (looking_at(buf, &i, "* s-shouts: ") ||
3004 looking_at(buf, &i, "* c-shouts: ")) {
3005 if (appData.colorize) {
3006 if (oldi > next_out) {
3007 SendToPlayer(&buf[next_out], oldi - next_out);
3010 Colorize(ColorSShout, FALSE);
3011 curColor = ColorSShout;
3014 started = STARTED_CHATTER;
3018 if (looking_at(buf, &i, "--->")) {
3023 if (looking_at(buf, &i, "* shouts: ") ||
3024 looking_at(buf, &i, "--> ")) {
3025 if (appData.colorize) {
3026 if (oldi > next_out) {
3027 SendToPlayer(&buf[next_out], oldi - next_out);
3030 Colorize(ColorShout, FALSE);
3031 curColor = ColorShout;
3034 started = STARTED_CHATTER;
3038 if (looking_at( buf, &i, "Challenge:")) {
3039 if (appData.colorize) {
3040 if (oldi > next_out) {
3041 SendToPlayer(&buf[next_out], oldi - next_out);
3044 Colorize(ColorChallenge, FALSE);
3045 curColor = ColorChallenge;
3051 if (looking_at(buf, &i, "* offers you") ||
3052 looking_at(buf, &i, "* offers to be") ||
3053 looking_at(buf, &i, "* would like to") ||
3054 looking_at(buf, &i, "* requests to") ||
3055 looking_at(buf, &i, "Your opponent offers") ||
3056 looking_at(buf, &i, "Your opponent requests")) {
3058 if (appData.colorize) {
3059 if (oldi > next_out) {
3060 SendToPlayer(&buf[next_out], oldi - next_out);
3063 Colorize(ColorRequest, FALSE);
3064 curColor = ColorRequest;
3069 if (looking_at(buf, &i, "* (*) seeking")) {
3070 if (appData.colorize) {
3071 if (oldi > next_out) {
3072 SendToPlayer(&buf[next_out], oldi - next_out);
3075 Colorize(ColorSeek, FALSE);
3076 curColor = ColorSeek;
3081 if (looking_at(buf, &i, "\\ ")) {
3082 if (prevColor != ColorNormal) {
3083 if (oldi > next_out) {
3084 SendToPlayer(&buf[next_out], oldi - next_out);
3087 Colorize(prevColor, TRUE);
3088 curColor = prevColor;
3090 if (savingComment) {
3091 parse_pos = i - oldi;
3092 memcpy(parse, &buf[oldi], parse_pos);
3093 parse[parse_pos] = NULLCHAR;
3094 started = STARTED_COMMENT;
3095 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3096 chattingPartner = savingComment - 3; // kludge to remember the box
3098 started = STARTED_CHATTER;
3103 if (looking_at(buf, &i, "Black Strength :") ||
3104 looking_at(buf, &i, "<<< style 10 board >>>") ||
3105 looking_at(buf, &i, "<10>") ||
3106 looking_at(buf, &i, "#@#")) {
3107 /* Wrong board style */
3109 SendToICS(ics_prefix);
3110 SendToICS("set style 12\n");
3111 SendToICS(ics_prefix);
3112 SendToICS("refresh\n");
3116 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3118 have_sent_ICS_logon = 1;
3119 /* if we don't send the login/password via icsLogon, use special readline
3121 if (strlen(appData.icsLogon)==0)
3123 sending_ICS_password = 0; // in case we come back to login
3124 sending_ICS_login = 1;
3128 /* need to shadow the password */
3129 if (!sending_ICS_password && looking_at(buf, &i, "password:")) {
3130 /* if we don't send the login/password via icsLogon, use special readline
3132 if (strlen(appData.icsLogon)==0)
3133 sending_ICS_password = 1;
3137 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3138 (looking_at(buf, &i, "\n<12> ") ||
3139 looking_at(buf, &i, "<12> "))) {
3141 if (oldi > next_out) {
3142 SendToPlayer(&buf[next_out], oldi - next_out);
3145 started = STARTED_BOARD;
3150 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3151 looking_at(buf, &i, "<b1> ")) {
3152 if (oldi > next_out) {
3153 SendToPlayer(&buf[next_out], oldi - next_out);
3156 started = STARTED_HOLDINGS;
3161 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3163 /* Header for a move list -- first line */
3165 switch (ics_getting_history) {
3169 case BeginningOfGame:
3170 /* User typed "moves" or "oldmoves" while we
3171 were idle. Pretend we asked for these
3172 moves and soak them up so user can step
3173 through them and/or save them.
3176 gameMode = IcsObserving;
3179 ics_getting_history = H_GOT_UNREQ_HEADER;
3181 case EditGame: /*?*/
3182 case EditPosition: /*?*/
3183 /* Should above feature work in these modes too? */
3184 /* For now it doesn't */
3185 ics_getting_history = H_GOT_UNWANTED_HEADER;
3188 ics_getting_history = H_GOT_UNWANTED_HEADER;
3193 /* Is this the right one? */
3194 if (gameInfo.white && gameInfo.black &&
3195 strcmp(gameInfo.white, star_match[0]) == 0 &&
3196 strcmp(gameInfo.black, star_match[2]) == 0) {
3198 ics_getting_history = H_GOT_REQ_HEADER;
3201 case H_GOT_REQ_HEADER:
3202 case H_GOT_UNREQ_HEADER:
3203 case H_GOT_UNWANTED_HEADER:
3204 case H_GETTING_MOVES:
3205 /* Should not happen */
3206 DisplayError(_("Error gathering move list: two headers"), 0);
3207 ics_getting_history = H_FALSE;
3211 /* Save player ratings into gameInfo if needed */
3212 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3213 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3214 (gameInfo.whiteRating == -1 ||
3215 gameInfo.blackRating == -1)) {
3217 gameInfo.whiteRating = string_to_rating(star_match[1]);
3218 gameInfo.blackRating = string_to_rating(star_match[3]);
3219 if (appData.debugMode)
3220 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3221 gameInfo.whiteRating, gameInfo.blackRating);
3226 if (looking_at(buf, &i,
3227 "* * match, initial time: * minute*, increment: * second")) {
3228 /* Header for a move list -- second line */
3229 /* Initial board will follow if this is a wild game */
3230 if (gameInfo.event != NULL) free(gameInfo.event);
3231 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3232 gameInfo.event = StrSave(str);
3233 /* [HGM] we switched variant. Translate boards if needed. */
3234 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3238 if (looking_at(buf, &i, "Move ")) {
3239 /* Beginning of a move list */
3240 switch (ics_getting_history) {
3242 /* Normally should not happen */
3243 /* Maybe user hit reset while we were parsing */
3246 /* Happens if we are ignoring a move list that is not
3247 * the one we just requested. Common if the user
3248 * tries to observe two games without turning off
3251 case H_GETTING_MOVES:
3252 /* Should not happen */
3253 DisplayError(_("Error gathering move list: nested"), 0);
3254 ics_getting_history = H_FALSE;
3256 case H_GOT_REQ_HEADER:
3257 ics_getting_history = H_GETTING_MOVES;
3258 started = STARTED_MOVES;
3260 if (oldi > next_out) {
3261 SendToPlayer(&buf[next_out], oldi - next_out);
3264 case H_GOT_UNREQ_HEADER:
3265 ics_getting_history = H_GETTING_MOVES;
3266 started = STARTED_MOVES_NOHIDE;
3269 case H_GOT_UNWANTED_HEADER:
3270 ics_getting_history = H_FALSE;
3276 if (looking_at(buf, &i, "% ") ||
3277 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3278 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3279 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3280 soughtPending = FALSE;
3284 if(suppressKibitz) next_out = i;
3285 savingComment = FALSE;
3289 case STARTED_MOVES_NOHIDE:
3290 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3291 parse[parse_pos + i - oldi] = NULLCHAR;
3292 ParseGameHistory(parse);
3294 if (appData.zippyPlay && first.initDone) {
3295 FeedMovesToProgram(&first, forwardMostMove);
3296 if (gameMode == IcsPlayingWhite) {
3297 if (WhiteOnMove(forwardMostMove)) {
3298 if (first.sendTime) {
3299 if (first.useColors) {
3300 SendToProgram("black\n", &first);
3302 SendTimeRemaining(&first, TRUE);
3304 if (first.useColors) {
3305 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3307 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3308 first.maybeThinking = TRUE;
3310 if (first.usePlayother) {
3311 if (first.sendTime) {
3312 SendTimeRemaining(&first, TRUE);
3314 SendToProgram("playother\n", &first);
3320 } else if (gameMode == IcsPlayingBlack) {
3321 if (!WhiteOnMove(forwardMostMove)) {
3322 if (first.sendTime) {
3323 if (first.useColors) {
3324 SendToProgram("white\n", &first);
3326 SendTimeRemaining(&first, FALSE);
3328 if (first.useColors) {
3329 SendToProgram("black\n", &first);
3331 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3332 first.maybeThinking = TRUE;
3334 if (first.usePlayother) {
3335 if (first.sendTime) {
3336 SendTimeRemaining(&first, FALSE);
3338 SendToProgram("playother\n", &first);
3347 if (gameMode == IcsObserving && ics_gamenum == -1) {
3348 /* Moves came from oldmoves or moves command
3349 while we weren't doing anything else.
3351 currentMove = forwardMostMove;
3352 ClearHighlights();/*!!could figure this out*/
3353 flipView = appData.flipView;
3354 DrawPosition(TRUE, boards[currentMove]);
3355 DisplayBothClocks();
3356 snprintf(str, MSG_SIZ, "%s vs. %s",
3357 gameInfo.white, gameInfo.black);
3361 /* Moves were history of an active game */
3362 if (gameInfo.resultDetails != NULL) {
3363 free(gameInfo.resultDetails);
3364 gameInfo.resultDetails = NULL;
3367 HistorySet(parseList, backwardMostMove,
3368 forwardMostMove, currentMove-1);
3369 DisplayMove(currentMove - 1);
3370 if (started == STARTED_MOVES) next_out = i;
3371 started = STARTED_NONE;
3372 ics_getting_history = H_FALSE;
3375 case STARTED_OBSERVE:
3376 started = STARTED_NONE;
3377 SendToICS(ics_prefix);
3378 SendToICS("refresh\n");
3384 if(bookHit) { // [HGM] book: simulate book reply
3385 static char bookMove[MSG_SIZ]; // a bit generous?
3387 programStats.nodes = programStats.depth = programStats.time =
3388 programStats.score = programStats.got_only_move = 0;
3389 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3391 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3392 strcat(bookMove, bookHit);
3393 HandleMachineMove(bookMove, &first);
3398 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3399 started == STARTED_HOLDINGS ||
3400 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3401 /* Accumulate characters in move list or board */
3402 parse[parse_pos++] = buf[i];
3405 /* Start of game messages. Mostly we detect start of game
3406 when the first board image arrives. On some versions
3407 of the ICS, though, we need to do a "refresh" after starting
3408 to observe in order to get the current board right away. */
3409 if (looking_at(buf, &i, "Adding game * to observation list")) {
3410 started = STARTED_OBSERVE;
3414 /* Handle auto-observe */
3415 if (appData.autoObserve &&
3416 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3417 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3419 /* Choose the player that was highlighted, if any. */
3420 if (star_match[0][0] == '\033' ||
3421 star_match[1][0] != '\033') {
3422 player = star_match[0];
3424 player = star_match[2];
3426 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3427 ics_prefix, StripHighlightAndTitle(player));
3430 /* Save ratings from notify string */
3431 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3432 player1Rating = string_to_rating(star_match[1]);
3433 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3434 player2Rating = string_to_rating(star_match[3]);
3436 if (appData.debugMode)
3438 "Ratings from 'Game notification:' %s %d, %s %d\n",
3439 player1Name, player1Rating,
3440 player2Name, player2Rating);
3445 /* Deal with automatic examine mode after a game,
3446 and with IcsObserving -> IcsExamining transition */
3447 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3448 looking_at(buf, &i, "has made you an examiner of game *")) {
3450 int gamenum = atoi(star_match[0]);
3451 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3452 gamenum == ics_gamenum) {
3453 /* We were already playing or observing this game;
3454 no need to refetch history */
3455 gameMode = IcsExamining;
3457 pauseExamForwardMostMove = forwardMostMove;
3458 } else if (currentMove < forwardMostMove) {
3459 ForwardInner(forwardMostMove);
3462 /* I don't think this case really can happen */
3463 SendToICS(ics_prefix);
3464 SendToICS("refresh\n");
3469 /* Error messages */
3470 // if (ics_user_moved) {
3471 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3472 if (looking_at(buf, &i, "Illegal move") ||
3473 looking_at(buf, &i, "Not a legal move") ||
3474 looking_at(buf, &i, "Your king is in check") ||
3475 looking_at(buf, &i, "It isn't your turn") ||
3476 looking_at(buf, &i, "It is not your move")) {
3478 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3479 currentMove = forwardMostMove-1;
3480 DisplayMove(currentMove - 1); /* before DMError */
3481 DrawPosition(FALSE, boards[currentMove]);
3482 SwitchClocks(forwardMostMove-1); // [HGM] race
3483 DisplayBothClocks();
3485 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3491 if (looking_at(buf, &i, "still have time") ||
3492 looking_at(buf, &i, "not out of time") ||
3493 looking_at(buf, &i, "either player is out of time") ||
3494 looking_at(buf, &i, "has timeseal; checking")) {
3495 /* We must have called his flag a little too soon */
3496 whiteFlag = blackFlag = FALSE;
3500 if (looking_at(buf, &i, "added * seconds to") ||
3501 looking_at(buf, &i, "seconds were added to")) {
3502 /* Update the clocks */
3503 SendToICS(ics_prefix);
3504 SendToICS("refresh\n");
3508 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3509 ics_clock_paused = TRUE;
3514 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3515 ics_clock_paused = FALSE;
3520 /* Grab player ratings from the Creating: message.
3521 Note we have to check for the special case when
3522 the ICS inserts things like [white] or [black]. */
3523 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3524 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3526 0 player 1 name (not necessarily white)
3528 2 empty, white, or black (IGNORED)
3529 3 player 2 name (not necessarily black)
3532 The names/ratings are sorted out when the game
3533 actually starts (below).
3535 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3536 player1Rating = string_to_rating(star_match[1]);
3537 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3538 player2Rating = string_to_rating(star_match[4]);
3540 if (appData.debugMode)
3542 "Ratings from 'Creating:' %s %d, %s %d\n",
3543 player1Name, player1Rating,
3544 player2Name, player2Rating);
3549 /* Improved generic start/end-of-game messages */
3550 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3551 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3552 /* If tkind == 0: */
3553 /* star_match[0] is the game number */
3554 /* [1] is the white player's name */
3555 /* [2] is the black player's name */
3556 /* For end-of-game: */
3557 /* [3] is the reason for the game end */
3558 /* [4] is a PGN end game-token, preceded by " " */
3559 /* For start-of-game: */
3560 /* [3] begins with "Creating" or "Continuing" */
3561 /* [4] is " *" or empty (don't care). */
3562 int gamenum = atoi(star_match[0]);
3563 char *whitename, *blackname, *why, *endtoken;
3564 ChessMove endtype = EndOfFile;
3567 whitename = star_match[1];
3568 blackname = star_match[2];
3569 why = star_match[3];
3570 endtoken = star_match[4];
3572 whitename = star_match[1];
3573 blackname = star_match[3];
3574 why = star_match[5];
3575 endtoken = star_match[6];
3578 /* Game start messages */
3579 if (strncmp(why, "Creating ", 9) == 0 ||
3580 strncmp(why, "Continuing ", 11) == 0) {
3581 gs_gamenum = gamenum;
3582 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3583 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3585 if (appData.zippyPlay) {
3586 ZippyGameStart(whitename, blackname);
3589 partnerBoardValid = FALSE; // [HGM] bughouse
3593 /* Game end messages */
3594 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3595 ics_gamenum != gamenum) {
3598 while (endtoken[0] == ' ') endtoken++;
3599 switch (endtoken[0]) {
3602 endtype = GameUnfinished;
3605 endtype = BlackWins;
3608 if (endtoken[1] == '/')
3609 endtype = GameIsDrawn;
3611 endtype = WhiteWins;
3614 GameEnds(endtype, why, GE_ICS);
3616 if (appData.zippyPlay && first.initDone) {
3617 ZippyGameEnd(endtype, why);
3618 if (first.pr == NULL) {
3619 /* Start the next process early so that we'll
3620 be ready for the next challenge */
3621 StartChessProgram(&first);
3623 /* Send "new" early, in case this command takes
3624 a long time to finish, so that we'll be ready
3625 for the next challenge. */
3626 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3630 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3634 if (looking_at(buf, &i, "Removing game * from observation") ||
3635 looking_at(buf, &i, "no longer observing game *") ||
3636 looking_at(buf, &i, "Game * (*) has no examiners")) {
3637 if (gameMode == IcsObserving &&
3638 atoi(star_match[0]) == ics_gamenum)
3640 /* icsEngineAnalyze */
3641 if (appData.icsEngineAnalyze) {
3648 ics_user_moved = FALSE;
3653 if (looking_at(buf, &i, "no longer examining game *")) {
3654 if (gameMode == IcsExamining &&
3655 atoi(star_match[0]) == ics_gamenum)
3659 ics_user_moved = FALSE;
3664 /* Advance leftover_start past any newlines we find,
3665 so only partial lines can get reparsed */
3666 if (looking_at(buf, &i, "\n")) {
3667 prevColor = curColor;
3668 if (curColor != ColorNormal) {
3669 if (oldi > next_out) {
3670 SendToPlayer(&buf[next_out], oldi - next_out);
3673 Colorize(ColorNormal, FALSE);
3674 curColor = ColorNormal;
3676 if (started == STARTED_BOARD) {
3677 started = STARTED_NONE;
3678 parse[parse_pos] = NULLCHAR;
3679 ParseBoard12(parse);
3682 /* Send premove here */
3683 if (appData.premove) {
3685 if (currentMove == 0 &&
3686 gameMode == IcsPlayingWhite &&
3687 appData.premoveWhite) {
3688 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3689 if (appData.debugMode)
3690 fprintf(debugFP, "Sending premove:\n");
3692 } else if (currentMove == 1 &&
3693 gameMode == IcsPlayingBlack &&
3694 appData.premoveBlack) {
3695 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3696 if (appData.debugMode)
3697 fprintf(debugFP, "Sending premove:\n");
3699 } else if (gotPremove) {
3701 ClearPremoveHighlights();
3702 if (appData.debugMode)
3703 fprintf(debugFP, "Sending premove:\n");
3704 UserMoveEvent(premoveFromX, premoveFromY,
3705 premoveToX, premoveToY,
3710 /* Usually suppress following prompt */
3711 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3712 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3713 if (looking_at(buf, &i, "*% ")) {
3714 savingComment = FALSE;
3719 } else if (started == STARTED_HOLDINGS) {
3721 char new_piece[MSG_SIZ];
3722 started = STARTED_NONE;
3723 parse[parse_pos] = NULLCHAR;
3724 if (appData.debugMode)
3725 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3726 parse, currentMove);
3727 if (sscanf(parse, " game %d", &gamenum) == 1) {
3728 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
3729 if (gameInfo.variant == VariantNormal) {
3730 /* [HGM] We seem to switch variant during a game!
3731 * Presumably no holdings were displayed, so we have
3732 * to move the position two files to the right to
3733 * create room for them!
3735 VariantClass newVariant;
3736 switch(gameInfo.boardWidth) { // base guess on board width
3737 case 9: newVariant = VariantShogi; break;
3738 case 10: newVariant = VariantGreat; break;
3739 default: newVariant = VariantCrazyhouse; break;
3741 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3742 /* Get a move list just to see the header, which
3743 will tell us whether this is really bug or zh */
3744 if (ics_getting_history == H_FALSE) {
3745 ics_getting_history = H_REQUESTED;
3746 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
3750 new_piece[0] = NULLCHAR;
3751 sscanf(parse, "game %d white [%s black [%s <- %s",
3752 &gamenum, white_holding, black_holding,
3754 white_holding[strlen(white_holding)-1] = NULLCHAR;
3755 black_holding[strlen(black_holding)-1] = NULLCHAR;
3756 /* [HGM] copy holdings to board holdings area */
3757 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3758 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3759 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3761 if (appData.zippyPlay && first.initDone) {
3762 ZippyHoldings(white_holding, black_holding,
3766 if (tinyLayout || smallLayout) {
3767 char wh[16], bh[16];
3768 PackHolding(wh, white_holding);
3769 PackHolding(bh, black_holding);
3770 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
3771 gameInfo.white, gameInfo.black);
3773 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
3774 gameInfo.white, white_holding,
3775 gameInfo.black, black_holding);
3777 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
3778 DrawPosition(FALSE, boards[currentMove]);
3780 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
3781 sscanf(parse, "game %d white [%s black [%s <- %s",
3782 &gamenum, white_holding, black_holding,
3784 white_holding[strlen(white_holding)-1] = NULLCHAR;
3785 black_holding[strlen(black_holding)-1] = NULLCHAR;
3786 /* [HGM] copy holdings to partner-board holdings area */
3787 CopyHoldings(partnerBoard, white_holding, WhitePawn);
3788 CopyHoldings(partnerBoard, black_holding, BlackPawn);
3789 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
3790 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3791 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
3794 /* Suppress following prompt */
3795 if (looking_at(buf, &i, "*% ")) {
3796 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3797 savingComment = FALSE;
3805 i++; /* skip unparsed character and loop back */
3808 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3809 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3810 // SendToPlayer(&buf[next_out], i - next_out);
3811 started != STARTED_HOLDINGS && leftover_start > next_out) {
3812 SendToPlayer(&buf[next_out], leftover_start - next_out);
3816 leftover_len = buf_len - leftover_start;
3817 /* if buffer ends with something we couldn't parse,
3818 reparse it after appending the next read */
3820 } else if (count == 0) {
3821 RemoveInputSource(isr);
3822 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3824 DisplayFatalError(_("Error reading from ICS"), error, 1);
3829 /* Board style 12 looks like this:
3831 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
3833 * The "<12> " is stripped before it gets to this routine. The two
3834 * trailing 0's (flip state and clock ticking) are later addition, and
3835 * some chess servers may not have them, or may have only the first.
3836 * Additional trailing fields may be added in the future.
3839 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
3841 #define RELATION_OBSERVING_PLAYED 0
3842 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3843 #define RELATION_PLAYING_MYMOVE 1
3844 #define RELATION_PLAYING_NOTMYMOVE -1
3845 #define RELATION_EXAMINING 2
3846 #define RELATION_ISOLATED_BOARD -3
3847 #define RELATION_STARTING_POSITION -4 /* FICS only */
3850 ParseBoard12(string)
3853 GameMode newGameMode;
3854 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3855 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3856 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3857 char to_play, board_chars[200];
3858 char move_str[500], str[500], elapsed_time[500];
3859 char black[32], white[32];
3861 int prevMove = currentMove;
3864 int fromX, fromY, toX, toY;
3866 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3867 char *bookHit = NULL; // [HGM] book
3868 Boolean weird = FALSE, reqFlag = FALSE;
3870 fromX = fromY = toX = toY = -1;
3874 if (appData.debugMode)
3875 fprintf(debugFP, _("Parsing board: %s\n"), string);
3877 move_str[0] = NULLCHAR;
3878 elapsed_time[0] = NULLCHAR;
3879 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3881 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3882 if(string[i] == ' ') { ranks++; files = 0; }
3884 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3887 for(j = 0; j <i; j++) board_chars[j] = string[j];
3888 board_chars[i] = '\0';
3891 n = sscanf(string, PATTERN, &to_play, &double_push,
3892 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3893 &gamenum, white, black, &relation, &basetime, &increment,
3894 &white_stren, &black_stren, &white_time, &black_time,
3895 &moveNum, str, elapsed_time, move_str, &ics_flip,
3899 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3900 DisplayError(str, 0);
3904 /* Convert the move number to internal form */
3905 moveNum = (moveNum - 1) * 2;
3906 if (to_play == 'B') moveNum++;
3907 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3908 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3914 case RELATION_OBSERVING_PLAYED:
3915 case RELATION_OBSERVING_STATIC:
3916 if (gamenum == -1) {
3917 /* Old ICC buglet */
3918 relation = RELATION_OBSERVING_STATIC;
3920 newGameMode = IcsObserving;
3922 case RELATION_PLAYING_MYMOVE:
3923 case RELATION_PLAYING_NOTMYMOVE:
3925 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3926 IcsPlayingWhite : IcsPlayingBlack;
3928 case RELATION_EXAMINING:
3929 newGameMode = IcsExamining;
3931 case RELATION_ISOLATED_BOARD:
3933 /* Just display this board. If user was doing something else,
3934 we will forget about it until the next board comes. */
3935 newGameMode = IcsIdle;
3937 case RELATION_STARTING_POSITION:
3938 newGameMode = gameMode;
3942 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
3943 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
3944 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
3946 for (k = 0; k < ranks; k++) {
3947 for (j = 0; j < files; j++)
3948 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3949 if(gameInfo.holdingsWidth > 1) {
3950 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3951 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3954 CopyBoard(partnerBoard, board);
3955 if(toSqr = strchr(str, '/')) { // extract highlights from long move
3956 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
3957 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
3958 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
3959 if(toSqr = strchr(str, '-')) {
3960 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
3961 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
3962 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
3963 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
3964 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
3965 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3966 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
3967 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
3968 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
3969 DisplayMessage(partnerStatus, "");
3970 partnerBoardValid = TRUE;
3974 /* Modify behavior for initial board display on move listing
3977 switch (ics_getting_history) {
3981 case H_GOT_REQ_HEADER:
3982 case H_GOT_UNREQ_HEADER:
3983 /* This is the initial position of the current game */
3984 gamenum = ics_gamenum;
3985 moveNum = 0; /* old ICS bug workaround */
3986 if (to_play == 'B') {
3987 startedFromSetupPosition = TRUE;
3988 blackPlaysFirst = TRUE;
3990 if (forwardMostMove == 0) forwardMostMove = 1;
3991 if (backwardMostMove == 0) backwardMostMove = 1;
3992 if (currentMove == 0) currentMove = 1;
3994 newGameMode = gameMode;
3995 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3997 case H_GOT_UNWANTED_HEADER:
3998 /* This is an initial board that we don't want */
4000 case H_GETTING_MOVES:
4001 /* Should not happen */
4002 DisplayError(_("Error gathering move list: extra board"), 0);
4003 ics_getting_history = H_FALSE;
4007 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4008 weird && (int)gameInfo.variant < (int)VariantShogi) {
4009 /* [HGM] We seem to have switched variant unexpectedly
4010 * Try to guess new variant from board size
4012 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4013 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4014 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4015 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4016 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4017 if(!weird) newVariant = VariantNormal;
4018 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4019 /* Get a move list just to see the header, which
4020 will tell us whether this is really bug or zh */
4021 if (ics_getting_history == H_FALSE) {
4022 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4023 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4028 /* Take action if this is the first board of a new game, or of a
4029 different game than is currently being displayed. */
4030 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4031 relation == RELATION_ISOLATED_BOARD) {
4033 /* Forget the old game and get the history (if any) of the new one */
4034 if (gameMode != BeginningOfGame) {
4038 if (appData.autoRaiseBoard) BoardToTop();
4040 if (gamenum == -1) {
4041 newGameMode = IcsIdle;
4042 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4043 appData.getMoveList && !reqFlag) {
4044 /* Need to get game history */
4045 ics_getting_history = H_REQUESTED;
4046 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4050 /* Initially flip the board to have black on the bottom if playing
4051 black or if the ICS flip flag is set, but let the user change
4052 it with the Flip View button. */
4053 flipView = appData.autoFlipView ?
4054 (newGameMode == IcsPlayingBlack) || ics_flip :
4057 /* Done with values from previous mode; copy in new ones */
4058 gameMode = newGameMode;
4060 ics_gamenum = gamenum;
4061 if (gamenum == gs_gamenum) {
4062 int klen = strlen(gs_kind);
4063 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4064 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4065 gameInfo.event = StrSave(str);
4067 gameInfo.event = StrSave("ICS game");
4069 gameInfo.site = StrSave(appData.icsHost);
4070 gameInfo.date = PGNDate();
4071 gameInfo.round = StrSave("-");
4072 gameInfo.white = StrSave(white);
4073 gameInfo.black = StrSave(black);
4074 timeControl = basetime * 60 * 1000;
4076 timeIncrement = increment * 1000;
4077 movesPerSession = 0;
4078 gameInfo.timeControl = TimeControlTagValue();
4079 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4080 if (appData.debugMode) {
4081 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4082 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4083 setbuf(debugFP, NULL);
4086 gameInfo.outOfBook = NULL;
4088 /* Do we have the ratings? */
4089 if (strcmp(player1Name, white) == 0 &&
4090 strcmp(player2Name, black) == 0) {
4091 if (appData.debugMode)
4092 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4093 player1Rating, player2Rating);
4094 gameInfo.whiteRating = player1Rating;
4095 gameInfo.blackRating = player2Rating;
4096 } else if (strcmp(player2Name, white) == 0 &&
4097 strcmp(player1Name, black) == 0) {
4098 if (appData.debugMode)
4099 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4100 player2Rating, player1Rating);
4101 gameInfo.whiteRating = player2Rating;
4102 gameInfo.blackRating = player1Rating;
4104 player1Name[0] = player2Name[0] = NULLCHAR;
4106 /* Silence shouts if requested */
4107 if (appData.quietPlay &&
4108 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4109 SendToICS(ics_prefix);
4110 SendToICS("set shout 0\n");
4114 /* Deal with midgame name changes */
4116 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4117 if (gameInfo.white) free(gameInfo.white);
4118 gameInfo.white = StrSave(white);
4120 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4121 if (gameInfo.black) free(gameInfo.black);
4122 gameInfo.black = StrSave(black);
4126 /* Throw away game result if anything actually changes in examine mode */
4127 if (gameMode == IcsExamining && !newGame) {
4128 gameInfo.result = GameUnfinished;
4129 if (gameInfo.resultDetails != NULL) {
4130 free(gameInfo.resultDetails);
4131 gameInfo.resultDetails = NULL;
4135 /* In pausing && IcsExamining mode, we ignore boards coming
4136 in if they are in a different variation than we are. */
4137 if (pauseExamInvalid) return;
4138 if (pausing && gameMode == IcsExamining) {
4139 if (moveNum <= pauseExamForwardMostMove) {
4140 pauseExamInvalid = TRUE;
4141 forwardMostMove = pauseExamForwardMostMove;
4146 if (appData.debugMode) {
4147 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4149 /* Parse the board */
4150 for (k = 0; k < ranks; k++) {
4151 for (j = 0; j < files; j++)
4152 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4153 if(gameInfo.holdingsWidth > 1) {
4154 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4155 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4158 CopyBoard(boards[moveNum], board);
4159 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4161 startedFromSetupPosition =
4162 !CompareBoards(board, initialPosition);
4163 if(startedFromSetupPosition)
4164 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4167 /* [HGM] Set castling rights. Take the outermost Rooks,
4168 to make it also work for FRC opening positions. Note that board12
4169 is really defective for later FRC positions, as it has no way to
4170 indicate which Rook can castle if they are on the same side of King.
4171 For the initial position we grant rights to the outermost Rooks,
4172 and remember thos rights, and we then copy them on positions
4173 later in an FRC game. This means WB might not recognize castlings with
4174 Rooks that have moved back to their original position as illegal,
4175 but in ICS mode that is not its job anyway.
4177 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4178 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4180 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4181 if(board[0][i] == WhiteRook) j = i;
4182 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4183 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4184 if(board[0][i] == WhiteRook) j = i;
4185 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4186 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4187 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4188 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4189 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4190 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4191 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4193 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4194 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4195 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4196 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4197 if(board[BOARD_HEIGHT-1][k] == bKing)
4198 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4199 if(gameInfo.variant == VariantTwoKings) {
4200 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4201 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4202 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4205 r = boards[moveNum][CASTLING][0] = initialRights[0];
4206 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4207 r = boards[moveNum][CASTLING][1] = initialRights[1];
4208 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4209 r = boards[moveNum][CASTLING][3] = initialRights[3];
4210 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4211 r = boards[moveNum][CASTLING][4] = initialRights[4];
4212 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4213 /* wildcastle kludge: always assume King has rights */
4214 r = boards[moveNum][CASTLING][2] = initialRights[2];
4215 r = boards[moveNum][CASTLING][5] = initialRights[5];
4217 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4218 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4221 if (ics_getting_history == H_GOT_REQ_HEADER ||
4222 ics_getting_history == H_GOT_UNREQ_HEADER) {
4223 /* This was an initial position from a move list, not
4224 the current position */
4228 /* Update currentMove and known move number limits */
4229 newMove = newGame || moveNum > forwardMostMove;
4232 forwardMostMove = backwardMostMove = currentMove = moveNum;
4233 if (gameMode == IcsExamining && moveNum == 0) {
4234 /* Workaround for ICS limitation: we are not told the wild
4235 type when starting to examine a game. But if we ask for
4236 the move list, the move list header will tell us */
4237 ics_getting_history = H_REQUESTED;
4238 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4241 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4242 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4244 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4245 /* [HGM] applied this also to an engine that is silently watching */
4246 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4247 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4248 gameInfo.variant == currentlyInitializedVariant) {
4249 takeback = forwardMostMove - moveNum;
4250 for (i = 0; i < takeback; i++) {
4251 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4252 SendToProgram("undo\n", &first);
4257 forwardMostMove = moveNum;
4258 if (!pausing || currentMove > forwardMostMove)
4259 currentMove = forwardMostMove;
4261 /* New part of history that is not contiguous with old part */
4262 if (pausing && gameMode == IcsExamining) {
4263 pauseExamInvalid = TRUE;
4264 forwardMostMove = pauseExamForwardMostMove;
4267 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4269 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4270 // [HGM] when we will receive the move list we now request, it will be
4271 // fed to the engine from the first move on. So if the engine is not
4272 // in the initial position now, bring it there.
4273 InitChessProgram(&first, 0);
4276 ics_getting_history = H_REQUESTED;
4277 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4280 forwardMostMove = backwardMostMove = currentMove = moveNum;
4283 /* Update the clocks */
4284 if (strchr(elapsed_time, '.')) {
4286 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4287 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4289 /* Time is in seconds */
4290 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4291 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4296 if (appData.zippyPlay && newGame &&
4297 gameMode != IcsObserving && gameMode != IcsIdle &&
4298 gameMode != IcsExamining)
4299 ZippyFirstBoard(moveNum, basetime, increment);
4302 /* Put the move on the move list, first converting
4303 to canonical algebraic form. */
4305 if (appData.debugMode) {
4306 if (appData.debugMode) { int f = forwardMostMove;
4307 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4308 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4309 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4311 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4312 fprintf(debugFP, "moveNum = %d\n", moveNum);
4313 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4314 setbuf(debugFP, NULL);
4316 if (moveNum <= backwardMostMove) {
4317 /* We don't know what the board looked like before
4319 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4320 strcat(parseList[moveNum - 1], " ");
4321 strcat(parseList[moveNum - 1], elapsed_time);
4322 moveList[moveNum - 1][0] = NULLCHAR;
4323 } else if (strcmp(move_str, "none") == 0) {
4324 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4325 /* Again, we don't know what the board looked like;
4326 this is really the start of the game. */
4327 parseList[moveNum - 1][0] = NULLCHAR;
4328 moveList[moveNum - 1][0] = NULLCHAR;
4329 backwardMostMove = moveNum;
4330 startedFromSetupPosition = TRUE;
4331 fromX = fromY = toX = toY = -1;
4333 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4334 // So we parse the long-algebraic move string in stead of the SAN move
4335 int valid; char buf[MSG_SIZ], *prom;
4337 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4338 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4339 // str looks something like "Q/a1-a2"; kill the slash
4341 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4342 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4343 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4344 strcat(buf, prom); // long move lacks promo specification!
4345 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4346 if(appData.debugMode)
4347 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4348 safeStrCpy(move_str, buf, sizeof(move_str)/sizeof(move_str[0]));
4350 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4351 &fromX, &fromY, &toX, &toY, &promoChar)
4352 || ParseOneMove(buf, moveNum - 1, &moveType,
4353 &fromX, &fromY, &toX, &toY, &promoChar);
4354 // end of long SAN patch
4356 (void) CoordsToAlgebraic(boards[moveNum - 1],
4357 PosFlags(moveNum - 1),
4358 fromY, fromX, toY, toX, promoChar,
4359 parseList[moveNum-1]);
4360 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4366 if(gameInfo.variant != VariantShogi)
4367 strcat(parseList[moveNum - 1], "+");
4370 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4371 strcat(parseList[moveNum - 1], "#");
4374 strcat(parseList[moveNum - 1], " ");
4375 strcat(parseList[moveNum - 1], elapsed_time);
4376 /* currentMoveString is set as a side-effect of ParseOneMove */
4377 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4378 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4379 strcat(moveList[moveNum - 1], "\n");
4381 if(gameInfo.holdingsWidth && !appData.disguise) // inherit info that ICS does not give from previous board
4382 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4383 ChessSquare old, new = boards[moveNum][k][j];
4384 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4385 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4386 if(old == new) continue;
4387 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4388 else if(new == WhiteWazir || new == BlackWazir) {
4389 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4390 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4391 else boards[moveNum][k][j] = old; // preserve type of Gold
4392 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4393 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4396 /* Move from ICS was illegal!? Punt. */
4397 if (appData.debugMode) {
4398 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4399 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4401 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4402 strcat(parseList[moveNum - 1], " ");
4403 strcat(parseList[moveNum - 1], elapsed_time);
4404 moveList[moveNum - 1][0] = NULLCHAR;
4405 fromX = fromY = toX = toY = -1;
4408 if (appData.debugMode) {
4409 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4410 setbuf(debugFP, NULL);
4414 /* Send move to chess program (BEFORE animating it). */
4415 if (appData.zippyPlay && !newGame && newMove &&
4416 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4418 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4419 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4420 if (moveList[moveNum - 1][0] == NULLCHAR) {
4421 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4423 DisplayError(str, 0);
4425 if (first.sendTime) {
4426 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4428 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4429 if (firstMove && !bookHit) {
4431 if (first.useColors) {
4432 SendToProgram(gameMode == IcsPlayingWhite ?
4434 "black\ngo\n", &first);
4436 SendToProgram("go\n", &first);
4438 first.maybeThinking = TRUE;
4441 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4442 if (moveList[moveNum - 1][0] == NULLCHAR) {
4443 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4444 DisplayError(str, 0);
4446 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4447 SendMoveToProgram(moveNum - 1, &first);
4454 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4455 /* If move comes from a remote source, animate it. If it
4456 isn't remote, it will have already been animated. */
4457 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4458 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4460 if (!pausing && appData.highlightLastMove) {
4461 SetHighlights(fromX, fromY, toX, toY);
4465 /* Start the clocks */
4466 whiteFlag = blackFlag = FALSE;
4467 appData.clockMode = !(basetime == 0 && increment == 0);
4469 ics_clock_paused = TRUE;
4471 } else if (ticking == 1) {
4472 ics_clock_paused = FALSE;
4474 if (gameMode == IcsIdle ||
4475 relation == RELATION_OBSERVING_STATIC ||
4476 relation == RELATION_EXAMINING ||
4478 DisplayBothClocks();
4482 /* Display opponents and material strengths */
4483 if (gameInfo.variant != VariantBughouse &&
4484 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4485 if (tinyLayout || smallLayout) {
4486 if(gameInfo.variant == VariantNormal)
4487 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4488 gameInfo.white, white_stren, gameInfo.black, black_stren,
4489 basetime, increment);
4491 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4492 gameInfo.white, white_stren, gameInfo.black, black_stren,
4493 basetime, increment, (int) gameInfo.variant);
4495 if(gameInfo.variant == VariantNormal)
4496 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4497 gameInfo.white, white_stren, gameInfo.black, black_stren,
4498 basetime, increment);
4500 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4501 gameInfo.white, white_stren, gameInfo.black, black_stren,
4502 basetime, increment, VariantName(gameInfo.variant));
4505 if (appData.debugMode) {
4506 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4511 /* Display the board */
4512 if (!pausing && !appData.noGUI) {
4514 if (appData.premove)
4516 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4517 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4518 ClearPremoveHighlights();
4520 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4521 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4522 DrawPosition(j, boards[currentMove]);
4524 DisplayMove(moveNum - 1);
4525 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4526 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4527 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4528 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4532 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4534 if(bookHit) { // [HGM] book: simulate book reply
4535 static char bookMove[MSG_SIZ]; // a bit generous?
4537 programStats.nodes = programStats.depth = programStats.time =
4538 programStats.score = programStats.got_only_move = 0;
4539 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4541 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4542 strcat(bookMove, bookHit);
4543 HandleMachineMove(bookMove, &first);
4552 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4553 ics_getting_history = H_REQUESTED;
4554 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4560 AnalysisPeriodicEvent(force)
4563 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4564 && !force) || !appData.periodicUpdates)
4567 /* Send . command to Crafty to collect stats */
4568 SendToProgram(".\n", &first);
4570 /* Don't send another until we get a response (this makes
4571 us stop sending to old Crafty's which don't understand
4572 the "." command (sending illegal cmds resets node count & time,
4573 which looks bad)) */
4574 programStats.ok_to_send = 0;
4577 void ics_update_width(new_width)
4580 ics_printf("set width %d\n", new_width);
4584 SendMoveToProgram(moveNum, cps)
4586 ChessProgramState *cps;
4590 if (cps->useUsermove) {
4591 SendToProgram("usermove ", cps);
4595 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4596 int len = space - parseList[moveNum];
4597 memcpy(buf, parseList[moveNum], len);
4599 buf[len] = NULLCHAR;
4601 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4603 SendToProgram(buf, cps);
4605 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4606 AlphaRank(moveList[moveNum], 4);
4607 SendToProgram(moveList[moveNum], cps);
4608 AlphaRank(moveList[moveNum], 4); // and back
4610 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4611 * the engine. It would be nice to have a better way to identify castle
4613 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4614 && cps->useOOCastle) {
4615 int fromX = moveList[moveNum][0] - AAA;
4616 int fromY = moveList[moveNum][1] - ONE;
4617 int toX = moveList[moveNum][2] - AAA;
4618 int toY = moveList[moveNum][3] - ONE;
4619 if((boards[moveNum][fromY][fromX] == WhiteKing
4620 && boards[moveNum][toY][toX] == WhiteRook)
4621 || (boards[moveNum][fromY][fromX] == BlackKing
4622 && boards[moveNum][toY][toX] == BlackRook)) {
4623 if(toX > fromX) SendToProgram("O-O\n", cps);
4624 else SendToProgram("O-O-O\n", cps);
4626 else SendToProgram(moveList[moveNum], cps);
4628 else SendToProgram(moveList[moveNum], cps);
4629 /* End of additions by Tord */
4632 /* [HGM] setting up the opening has brought engine in force mode! */
4633 /* Send 'go' if we are in a mode where machine should play. */
4634 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4635 (gameMode == TwoMachinesPlay ||
4637 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4639 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4640 SendToProgram("go\n", cps);
4641 if (appData.debugMode) {
4642 fprintf(debugFP, "(extra)\n");
4645 setboardSpoiledMachineBlack = 0;
4649 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4651 int fromX, fromY, toX, toY;
4654 char user_move[MSG_SIZ];
4658 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4659 (int)moveType, fromX, fromY, toX, toY);
4660 DisplayError(user_move + strlen("say "), 0);
4662 case WhiteKingSideCastle:
4663 case BlackKingSideCastle:
4664 case WhiteQueenSideCastleWild:
4665 case BlackQueenSideCastleWild:
4667 case WhiteHSideCastleFR:
4668 case BlackHSideCastleFR:
4670 snprintf(user_move, MSG_SIZ, "o-o\n");
4672 case WhiteQueenSideCastle:
4673 case BlackQueenSideCastle:
4674 case WhiteKingSideCastleWild:
4675 case BlackKingSideCastleWild:
4677 case WhiteASideCastleFR:
4678 case BlackASideCastleFR:
4680 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4682 case WhiteNonPromotion:
4683 case BlackNonPromotion:
4684 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4686 case WhitePromotion:
4687 case BlackPromotion:
4688 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4689 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4690 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4691 PieceToChar(WhiteFerz));
4692 else if(gameInfo.variant == VariantGreat)
4693 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4694 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4695 PieceToChar(WhiteMan));
4697 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4698 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4704 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
4705 ToUpper(PieceToChar((ChessSquare) fromX)),
4706 AAA + toX, ONE + toY);
4708 case IllegalMove: /* could be a variant we don't quite understand */
4709 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
4711 case WhiteCapturesEnPassant:
4712 case BlackCapturesEnPassant:
4713 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
4714 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4717 SendToICS(user_move);
4718 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4719 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4724 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
4725 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
4726 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
4727 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
4728 DisplayError("You cannot do this while you are playing or observing", 0);
4731 if(gameMode != IcsExamining) { // is this ever not the case?
4732 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
4734 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
4735 snprintf(command,MSG_SIZ, "match %s", ics_handle);
4736 } else { // on FICS we must first go to general examine mode
4737 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
4739 if(gameInfo.variant != VariantNormal) {
4740 // try figure out wild number, as xboard names are not always valid on ICS
4741 for(i=1; i<=36; i++) {
4742 snprintf(buf, MSG_SIZ, "wild/%d", i);
4743 if(StringToVariant(buf) == gameInfo.variant) break;
4745 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
4746 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
4747 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
4748 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
4749 SendToICS(ics_prefix);
4751 if(startedFromSetupPosition || backwardMostMove != 0) {
4752 fen = PositionToFEN(backwardMostMove, NULL);
4753 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
4754 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
4756 } else { // FICS: everything has to set by separate bsetup commands
4757 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
4758 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
4760 if(!WhiteOnMove(backwardMostMove)) {
4761 SendToICS("bsetup tomove black\n");
4763 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
4764 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
4766 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
4767 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
4769 i = boards[backwardMostMove][EP_STATUS];
4770 if(i >= 0) { // set e.p.
4771 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
4777 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
4778 SendToICS("bsetup done\n"); // switch to normal examining.
4780 for(i = backwardMostMove; i<last; i++) {
4782 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
4785 SendToICS(ics_prefix);
4786 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
4790 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4795 if (rf == DROP_RANK) {
4796 sprintf(move, "%c@%c%c\n",
4797 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4799 if (promoChar == 'x' || promoChar == NULLCHAR) {
4800 sprintf(move, "%c%c%c%c\n",
4801 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4803 sprintf(move, "%c%c%c%c%c\n",
4804 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4810 ProcessICSInitScript(f)
4815 while (fgets(buf, MSG_SIZ, f)) {
4816 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4823 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4825 AlphaRank(char *move, int n)
4827 // char *p = move, c; int x, y;
4829 if (appData.debugMode) {
4830 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4834 move[2]>='0' && move[2]<='9' &&
4835 move[3]>='a' && move[3]<='x' ) {
4837 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4838 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4840 if(move[0]>='0' && move[0]<='9' &&
4841 move[1]>='a' && move[1]<='x' &&
4842 move[2]>='0' && move[2]<='9' &&
4843 move[3]>='a' && move[3]<='x' ) {
4844 /* input move, Shogi -> normal */
4845 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4846 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4847 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4848 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4851 move[3]>='0' && move[3]<='9' &&
4852 move[2]>='a' && move[2]<='x' ) {
4854 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4855 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4858 move[0]>='a' && move[0]<='x' &&
4859 move[3]>='0' && move[3]<='9' &&
4860 move[2]>='a' && move[2]<='x' ) {
4861 /* output move, normal -> Shogi */
4862 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4863 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4864 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4865 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4866 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4868 if (appData.debugMode) {
4869 fprintf(debugFP, " out = '%s'\n", move);
4873 char yy_textstr[8000];
4875 /* Parser for moves from gnuchess, ICS, or user typein box */
4877 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4880 ChessMove *moveType;
4881 int *fromX, *fromY, *toX, *toY;
4884 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
4886 switch (*moveType) {
4887 case WhitePromotion:
4888 case BlackPromotion:
4889 case WhiteNonPromotion:
4890 case BlackNonPromotion:
4892 case WhiteCapturesEnPassant:
4893 case BlackCapturesEnPassant:
4894 case WhiteKingSideCastle:
4895 case WhiteQueenSideCastle:
4896 case BlackKingSideCastle:
4897 case BlackQueenSideCastle:
4898 case WhiteKingSideCastleWild:
4899 case WhiteQueenSideCastleWild:
4900 case BlackKingSideCastleWild:
4901 case BlackQueenSideCastleWild:
4902 /* Code added by Tord: */
4903 case WhiteHSideCastleFR:
4904 case WhiteASideCastleFR:
4905 case BlackHSideCastleFR:
4906 case BlackASideCastleFR:
4907 /* End of code added by Tord */
4908 case IllegalMove: /* bug or odd chess variant */
4909 *fromX = currentMoveString[0] - AAA;
4910 *fromY = currentMoveString[1] - ONE;
4911 *toX = currentMoveString[2] - AAA;
4912 *toY = currentMoveString[3] - ONE;
4913 *promoChar = currentMoveString[4];
4914 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4915 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4916 if (appData.debugMode) {
4917 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4919 *fromX = *fromY = *toX = *toY = 0;
4922 if (appData.testLegality) {
4923 return (*moveType != IllegalMove);
4925 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4926 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4931 *fromX = *moveType == WhiteDrop ?
4932 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4933 (int) CharToPiece(ToLower(currentMoveString[0]));
4935 *toX = currentMoveString[2] - AAA;
4936 *toY = currentMoveString[3] - ONE;
4937 *promoChar = NULLCHAR;
4941 case ImpossibleMove:
4951 if (appData.debugMode) {
4952 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4955 *fromX = *fromY = *toX = *toY = 0;
4956 *promoChar = NULLCHAR;
4963 ParsePV(char *pv, Boolean storeComments)
4964 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4965 int fromX, fromY, toX, toY; char promoChar;
4970 endPV = forwardMostMove;
4972 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
4973 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
4974 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4975 if(appData.debugMode){
4976 fprintf(debugFP,"parsePV: %d %c%c%c%c yy='%s'\nPV = '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, yy_textstr, pv);
4978 if(!valid && nr == 0 &&
4979 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4980 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4981 // Hande case where played move is different from leading PV move
4982 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
4983 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
4984 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
4985 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
4986 endPV += 2; // if position different, keep this
4987 moveList[endPV-1][0] = fromX + AAA;
4988 moveList[endPV-1][1] = fromY + ONE;
4989 moveList[endPV-1][2] = toX + AAA;
4990 moveList[endPV-1][3] = toY + ONE;
4991 parseList[endPV-1][0] = NULLCHAR;
4992 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
4995 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
4996 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
4997 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
4998 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
4999 valid++; // allow comments in PV
5003 if(endPV+1 > framePtr) break; // no space, truncate
5006 CopyBoard(boards[endPV], boards[endPV-1]);
5007 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5008 moveList[endPV-1][0] = fromX + AAA;
5009 moveList[endPV-1][1] = fromY + ONE;
5010 moveList[endPV-1][2] = toX + AAA;
5011 moveList[endPV-1][3] = toY + ONE;
5013 CoordsToAlgebraic(boards[endPV - 1],
5014 PosFlags(endPV - 1),
5015 fromY, fromX, toY, toX, promoChar,
5016 parseList[endPV - 1]);
5018 parseList[endPV-1][0] = NULLCHAR;
5020 currentMove = endPV;
5021 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5022 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5023 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5024 DrawPosition(TRUE, boards[currentMove]);
5027 static int lastX, lastY;
5030 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5035 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5036 lastX = x; lastY = y;
5037 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5039 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5040 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5042 do{ while(buf[index] && buf[index] != '\n') index++;
5043 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5045 ParsePV(buf+startPV, FALSE);
5046 *start = startPV; *end = index-1;
5051 LoadPV(int x, int y)
5052 { // called on right mouse click to load PV
5053 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5054 lastX = x; lastY = y;
5055 ParsePV(lastPV[which], FALSE); // load the PV of the thinking engine in the boards array.
5062 if(endPV < 0) return;
5064 currentMove = forwardMostMove;
5065 ClearPremoveHighlights();
5066 DrawPosition(TRUE, boards[currentMove]);
5070 MovePV(int x, int y, int h)
5071 { // step through PV based on mouse coordinates (called on mouse move)
5072 int margin = h>>3, step = 0;
5074 if(endPV < 0) return;
5075 // we must somehow check if right button is still down (might be released off board!)
5076 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
5077 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
5078 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
5080 lastX = x; lastY = y;
5081 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5082 currentMove += step;
5083 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5084 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5085 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5086 DrawPosition(FALSE, boards[currentMove]);
5090 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5091 // All positions will have equal probability, but the current method will not provide a unique
5092 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5098 int piecesLeft[(int)BlackPawn];
5099 int seed, nrOfShuffles;
5101 void GetPositionNumber()
5102 { // sets global variable seed
5105 seed = appData.defaultFrcPosition;
5106 if(seed < 0) { // randomize based on time for negative FRC position numbers
5107 for(i=0; i<50; i++) seed += random();
5108 seed = random() ^ random() >> 8 ^ random() << 8;
5109 if(seed<0) seed = -seed;
5113 int put(Board board, int pieceType, int rank, int n, int shade)
5114 // put the piece on the (n-1)-th empty squares of the given shade
5118 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5119 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5120 board[rank][i] = (ChessSquare) pieceType;
5121 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5123 piecesLeft[pieceType]--;
5131 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5132 // calculate where the next piece goes, (any empty square), and put it there
5136 i = seed % squaresLeft[shade];
5137 nrOfShuffles *= squaresLeft[shade];
5138 seed /= squaresLeft[shade];
5139 put(board, pieceType, rank, i, shade);
5142 void AddTwoPieces(Board board, int pieceType, int rank)
5143 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5145 int i, n=squaresLeft[ANY], j=n-1, k;
5147 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5148 i = seed % k; // pick one
5151 while(i >= j) i -= j--;
5152 j = n - 1 - j; i += j;
5153 put(board, pieceType, rank, j, ANY);
5154 put(board, pieceType, rank, i, ANY);
5157 void SetUpShuffle(Board board, int number)
5161 GetPositionNumber(); nrOfShuffles = 1;
5163 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5164 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5165 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5167 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5169 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5170 p = (int) board[0][i];
5171 if(p < (int) BlackPawn) piecesLeft[p] ++;
5172 board[0][i] = EmptySquare;
5175 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5176 // shuffles restricted to allow normal castling put KRR first
5177 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5178 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5179 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5180 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5181 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5182 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5183 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5184 put(board, WhiteRook, 0, 0, ANY);
5185 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5188 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5189 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5190 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5191 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5192 while(piecesLeft[p] >= 2) {
5193 AddOnePiece(board, p, 0, LITE);
5194 AddOnePiece(board, p, 0, DARK);
5196 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5199 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5200 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5201 // but we leave King and Rooks for last, to possibly obey FRC restriction
5202 if(p == (int)WhiteRook) continue;
5203 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5204 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5207 // now everything is placed, except perhaps King (Unicorn) and Rooks
5209 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5210 // Last King gets castling rights
5211 while(piecesLeft[(int)WhiteUnicorn]) {
5212 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5213 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5216 while(piecesLeft[(int)WhiteKing]) {
5217 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5218 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5223 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5224 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5227 // Only Rooks can be left; simply place them all
5228 while(piecesLeft[(int)WhiteRook]) {
5229 i = put(board, WhiteRook, 0, 0, ANY);
5230 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5233 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5235 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5238 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5239 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5242 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5245 int SetCharTable( char *table, const char * map )
5246 /* [HGM] moved here from winboard.c because of its general usefulness */
5247 /* Basically a safe strcpy that uses the last character as King */
5249 int result = FALSE; int NrPieces;
5251 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5252 && NrPieces >= 12 && !(NrPieces&1)) {
5253 int i; /* [HGM] Accept even length from 12 to 34 */
5255 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5256 for( i=0; i<NrPieces/2-1; i++ ) {
5258 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5260 table[(int) WhiteKing] = map[NrPieces/2-1];
5261 table[(int) BlackKing] = map[NrPieces-1];
5269 void Prelude(Board board)
5270 { // [HGM] superchess: random selection of exo-pieces
5271 int i, j, k; ChessSquare p;
5272 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5274 GetPositionNumber(); // use FRC position number
5276 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5277 SetCharTable(pieceToChar, appData.pieceToCharTable);
5278 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5279 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5282 j = seed%4; seed /= 4;
5283 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5284 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5285 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5286 j = seed%3 + (seed%3 >= j); seed /= 3;
5287 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5288 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5289 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5290 j = seed%3; seed /= 3;
5291 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5292 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5293 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5294 j = seed%2 + (seed%2 >= j); seed /= 2;
5295 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5296 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5297 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5298 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5299 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5300 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5301 put(board, exoPieces[0], 0, 0, ANY);
5302 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5306 InitPosition(redraw)
5309 ChessSquare (* pieces)[BOARD_FILES];
5310 int i, j, pawnRow, overrule,
5311 oldx = gameInfo.boardWidth,
5312 oldy = gameInfo.boardHeight,
5313 oldh = gameInfo.holdingsWidth,
5314 oldv = gameInfo.variant;
5316 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5318 /* [AS] Initialize pv info list [HGM] and game status */
5320 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5321 pvInfoList[i].depth = 0;
5322 boards[i][EP_STATUS] = EP_NONE;
5323 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5326 initialRulePlies = 0; /* 50-move counter start */
5328 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5329 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5333 /* [HGM] logic here is completely changed. In stead of full positions */
5334 /* the initialized data only consist of the two backranks. The switch */
5335 /* selects which one we will use, which is than copied to the Board */
5336 /* initialPosition, which for the rest is initialized by Pawns and */
5337 /* empty squares. This initial position is then copied to boards[0], */
5338 /* possibly after shuffling, so that it remains available. */
5340 gameInfo.holdingsWidth = 0; /* default board sizes */
5341 gameInfo.boardWidth = 8;
5342 gameInfo.boardHeight = 8;
5343 gameInfo.holdingsSize = 0;
5344 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5345 for(i=0; i<BOARD_FILES-2; i++)
5346 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5347 initialPosition[EP_STATUS] = EP_NONE;
5348 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5349 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5350 SetCharTable(pieceNickName, appData.pieceNickNames);
5351 else SetCharTable(pieceNickName, "............");
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(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6403 if (clickType == Press) {
6405 if (OKToStartUserMove(x, y)) {
6409 MarkTargetSquares(0);
6410 DragPieceBegin(xPix, yPix); dragging = 1;
6411 if (appData.highlightDragging) {
6412 SetHighlights(x, y, -1, -1);
6415 } else if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6416 DragPieceEnd(xPix, yPix); dragging = 0;
6417 DrawPosition(FALSE, NULL);
6424 if (clickType == Press && gameMode != EditPosition) {
6429 // ignore off-board to clicks
6430 if(y < 0 || x < 0) return;
6432 /* Check if clicking again on the same color piece */
6433 fromP = boards[currentMove][fromY][fromX];
6434 toP = boards[currentMove][y][x];
6435 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6436 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6437 WhitePawn <= toP && toP <= WhiteKing &&
6438 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6439 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6440 (BlackPawn <= fromP && fromP <= BlackKing &&
6441 BlackPawn <= toP && toP <= BlackKing &&
6442 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6443 !(fromP == BlackKing && toP == BlackRook && frc))) {
6444 /* Clicked again on same color piece -- changed his mind */
6445 second = (x == fromX && y == fromY);
6446 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6447 if (appData.highlightDragging) {
6448 SetHighlights(x, y, -1, -1);
6452 if (OKToStartUserMove(x, y)) {
6453 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6454 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6455 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6456 gatingPiece = boards[currentMove][fromY][fromX];
6457 else gatingPiece = EmptySquare;
6459 fromY = y; dragging = 1;
6460 MarkTargetSquares(0);
6461 DragPieceBegin(xPix, yPix);
6464 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6467 // ignore clicks on holdings
6468 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6471 if (clickType == Release && x == fromX && y == fromY) {
6472 DragPieceEnd(xPix, yPix); dragging = 0;
6473 if (appData.animateDragging) {
6474 /* Undo animation damage if any */
6475 DrawPosition(FALSE, NULL);
6478 /* Second up/down in same square; just abort move */
6481 gatingPiece = EmptySquare;
6484 ClearPremoveHighlights();
6486 /* First upclick in same square; start click-click mode */
6487 SetHighlights(x, y, -1, -1);
6492 /* we now have a different from- and (possibly off-board) to-square */
6493 /* Completed move */
6496 saveAnimate = appData.animate;
6497 if (clickType == Press) {
6498 /* Finish clickclick move */
6499 if (appData.animate || appData.highlightLastMove) {
6500 SetHighlights(fromX, fromY, toX, toY);
6505 /* Finish drag move */
6506 if (appData.highlightLastMove) {
6507 SetHighlights(fromX, fromY, toX, toY);
6511 DragPieceEnd(xPix, yPix); dragging = 0;
6512 /* Don't animate move and drag both */
6513 appData.animate = FALSE;
6516 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6517 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6518 ChessSquare piece = boards[currentMove][fromY][fromX];
6519 if(gameMode == EditPosition && piece != EmptySquare &&
6520 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6523 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6524 n = PieceToNumber(piece - (int)BlackPawn);
6525 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6526 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6527 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6529 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6530 n = PieceToNumber(piece);
6531 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6532 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6533 boards[currentMove][n][BOARD_WIDTH-2]++;
6535 boards[currentMove][fromY][fromX] = EmptySquare;
6539 DrawPosition(TRUE, boards[currentMove]);
6543 // off-board moves should not be highlighted
6544 if(x < 0 || y < 0) ClearHighlights();
6546 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
6548 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6549 SetHighlights(fromX, fromY, toX, toY);
6550 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6551 // [HGM] super: promotion to captured piece selected from holdings
6552 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6553 promotionChoice = TRUE;
6554 // kludge follows to temporarily execute move on display, without promoting yet
6555 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6556 boards[currentMove][toY][toX] = p;
6557 DrawPosition(FALSE, boards[currentMove]);
6558 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6559 boards[currentMove][toY][toX] = q;
6560 DisplayMessage("Click in holdings to choose piece", "");
6565 int oldMove = currentMove;
6566 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6567 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6568 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6569 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
6570 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
6571 DrawPosition(TRUE, boards[currentMove]);
6574 appData.animate = saveAnimate;
6575 if (appData.animate || appData.animateDragging) {
6576 /* Undo animation damage if needed */
6577 DrawPosition(FALSE, NULL);
6581 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6582 { // front-end-free part taken out of PieceMenuPopup
6583 int whichMenu; int xSqr, ySqr;
6585 if(seekGraphUp) { // [HGM] seekgraph
6586 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6587 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6591 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6592 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6593 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6594 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6595 if(action == Press) {
6596 originalFlip = flipView;
6597 flipView = !flipView; // temporarily flip board to see game from partners perspective
6598 DrawPosition(TRUE, partnerBoard);
6599 DisplayMessage(partnerStatus, "");
6601 } else if(action == Release) {
6602 flipView = originalFlip;
6603 DrawPosition(TRUE, boards[currentMove]);
6609 xSqr = EventToSquare(x, BOARD_WIDTH);
6610 ySqr = EventToSquare(y, BOARD_HEIGHT);
6611 if (action == Release) UnLoadPV(); // [HGM] pv
6612 if (action != Press) return -2; // return code to be ignored
6615 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6617 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6618 if (xSqr < 0 || ySqr < 0) return -1;
\r
6619 whichMenu = 0; // edit-position menu
6622 if(!appData.icsEngineAnalyze) return -1;
6623 case IcsPlayingWhite:
6624 case IcsPlayingBlack:
6625 if(!appData.zippyPlay) goto noZip;
6628 case MachinePlaysWhite:
6629 case MachinePlaysBlack:
6630 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6631 if (!appData.dropMenu) {
6633 return 2; // flag front-end to grab mouse events
6635 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6636 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6639 if (xSqr < 0 || ySqr < 0) return -1;
6640 if (!appData.dropMenu || appData.testLegality &&
6641 gameInfo.variant != VariantBughouse &&
6642 gameInfo.variant != VariantCrazyhouse) return -1;
6643 whichMenu = 1; // drop menu
6649 if (((*fromX = xSqr) < 0) ||
6650 ((*fromY = ySqr) < 0)) {
6651 *fromX = *fromY = -1;
6655 *fromX = BOARD_WIDTH - 1 - *fromX;
6657 *fromY = BOARD_HEIGHT - 1 - *fromY;
6662 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6664 // char * hint = lastHint;
6665 FrontEndProgramStats stats;
6667 stats.which = cps == &first ? 0 : 1;
6668 stats.depth = cpstats->depth;
6669 stats.nodes = cpstats->nodes;
6670 stats.score = cpstats->score;
6671 stats.time = cpstats->time;
6672 stats.pv = cpstats->movelist;
6673 stats.hint = lastHint;
6674 stats.an_move_index = 0;
6675 stats.an_move_count = 0;
6677 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6678 stats.hint = cpstats->move_name;
6679 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6680 stats.an_move_count = cpstats->nr_moves;
6683 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
6685 SetProgramStats( &stats );
6689 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
6690 { // count all piece types
6692 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
6693 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
6694 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
6697 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
6698 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
6699 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
6700 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
6701 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
6702 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
6707 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
6709 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
6710 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
6712 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
6713 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
6714 if(myPawns == 2 && nMine == 3) // KPP
6715 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
6716 if(myPawns == 1 && nMine == 2) // KP
6717 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6718 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
6719 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
6720 if(myPawns) return FALSE;
6721 if(pCnt[WhiteRook+side])
6722 return pCnt[BlackRook-side] ||
6723 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
6724 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
6725 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
6726 if(pCnt[WhiteCannon+side]) {
6727 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
6728 return majorDefense || pCnt[BlackAlfil-side] >= 2;
6730 if(pCnt[WhiteKnight+side])
6731 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6736 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
6738 VariantClass v = gameInfo.variant;
6740 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
6741 if(v == VariantShatranj) return TRUE; // always winnable through baring
6742 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
6743 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
6745 if(v == VariantXiangqi) {
6746 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
6748 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
6749 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
6750 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
6751 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
6752 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
6753 if(stale) // we have at least one last-rank P plus perhaps C
6754 return majors // KPKX
6755 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
6757 return pCnt[WhiteFerz+side] // KCAK
6758 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
6759 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
6760 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
6762 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
6763 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
6765 if(nMine == 1) return FALSE; // bare King
6766 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
6767 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
6768 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
6769 // by now we have King + 1 piece (or multiple Bishops on the same color)
6770 if(pCnt[WhiteKnight+side])
6771 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
6772 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
6773 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
6775 return (pCnt[BlackKnight-side]); // KBKN, KFKN
6776 if(pCnt[WhiteAlfil+side])
6777 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
6778 if(pCnt[WhiteWazir+side])
6779 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
6786 Adjudicate(ChessProgramState *cps)
6787 { // [HGM] some adjudications useful with buggy engines
6788 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6789 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6790 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6791 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6792 int k, count = 0; static int bare = 1;
6793 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6794 Boolean canAdjudicate = !appData.icsActive;
6796 // most tests only when we understand the game, i.e. legality-checking on
6797 if( appData.testLegality )
6798 { /* [HGM] Some more adjudications for obstinate engines */
6799 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
6800 static int moveCount = 6;
6802 char *reason = NULL;
6804 /* Count what is on board. */
6805 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
6807 /* Some material-based adjudications that have to be made before stalemate test */
6808 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
6809 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6810 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6811 if(canAdjudicate && appData.checkMates) {
6813 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6814 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6815 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6816 "Xboard adjudication: King destroyed", GE_XBOARD );
6821 /* Bare King in Shatranj (loses) or Losers (wins) */
6822 if( nrW == 1 || nrB == 1) {
6823 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6824 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6825 if(canAdjudicate && appData.checkMates) {
6827 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6828 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6829 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6830 "Xboard adjudication: Bare king", GE_XBOARD );
6834 if( gameInfo.variant == VariantShatranj && --bare < 0)
6836 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6837 if(canAdjudicate && appData.checkMates) {
6838 /* but only adjudicate if adjudication enabled */
6840 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6841 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6842 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
6843 "Xboard adjudication: Bare king", GE_XBOARD );
6850 // don't wait for engine to announce game end if we can judge ourselves
6851 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6853 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6854 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6855 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6856 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6859 reason = "Xboard adjudication: 3rd check";
6860 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6870 reason = "Xboard adjudication: Stalemate";
6871 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6872 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6873 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6874 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6875 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6876 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
6877 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
6878 EP_CHECKMATE : EP_WINS);
6879 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6880 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6884 reason = "Xboard adjudication: Checkmate";
6885 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6889 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6891 result = GameIsDrawn; break;
6893 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6895 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6899 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6901 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6902 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6903 GameEnds( result, reason, GE_XBOARD );
6907 /* Next absolutely insufficient mating material. */
6908 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
6909 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
6910 { /* includes KBK, KNK, KK of KBKB with like Bishops */
6912 /* always flag draws, for judging claims */
6913 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6915 if(canAdjudicate && appData.materialDraws) {
6916 /* but only adjudicate them if adjudication enabled */
6917 if(engineOpponent) {
6918 SendToProgram("force\n", engineOpponent); // suppress reply
6919 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6921 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6922 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6927 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6928 if(gameInfo.variant == VariantXiangqi ?
6929 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
6931 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
6932 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
6933 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
6934 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
6936 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6937 { /* if the first 3 moves do not show a tactical win, declare draw */
6938 if(engineOpponent) {
6939 SendToProgram("force\n", engineOpponent); // suppress reply
6940 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6942 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6943 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6946 } else moveCount = 6;
6948 if (appData.debugMode) { int i;
6949 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6950 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6951 appData.drawRepeats);
6952 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6953 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6957 // Repetition draws and 50-move rule can be applied independently of legality testing
6959 /* Check for rep-draws */
6961 for(k = forwardMostMove-2;
6962 k>=backwardMostMove && k>=forwardMostMove-100 &&
6963 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6964 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6967 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6968 /* compare castling rights */
6969 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6970 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6971 rights++; /* King lost rights, while rook still had them */
6972 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6973 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6974 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6975 rights++; /* but at least one rook lost them */
6977 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6978 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6980 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6981 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6982 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6985 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6986 && appData.drawRepeats > 1) {
6987 /* adjudicate after user-specified nr of repeats */
6988 int result = GameIsDrawn;
6989 char *details = "XBoard adjudication: repetition draw";
6990 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6991 // [HGM] xiangqi: check for forbidden perpetuals
6992 int m, ourPerpetual = 1, hisPerpetual = 1;
6993 for(m=forwardMostMove; m>k; m-=2) {
6994 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6995 ourPerpetual = 0; // the current mover did not always check
6996 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6997 hisPerpetual = 0; // the opponent did not always check
6999 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7000 ourPerpetual, hisPerpetual);
7001 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7002 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7003 details = "Xboard adjudication: perpetual checking";
7005 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7006 break; // (or we would have caught him before). Abort repetition-checking loop.
7008 // Now check for perpetual chases
7009 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7010 hisPerpetual = PerpetualChase(k, forwardMostMove);
7011 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7012 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7013 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7014 details = "Xboard adjudication: perpetual chasing";
7016 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7017 break; // Abort repetition-checking loop.
7019 // if neither of us is checking or chasing all the time, or both are, it is draw
7021 if(engineOpponent) {
7022 SendToProgram("force\n", engineOpponent); // suppress reply
7023 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7025 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7026 GameEnds( result, details, GE_XBOARD );
7029 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7030 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7034 /* Now we test for 50-move draws. Determine ply count */
7035 count = forwardMostMove;
7036 /* look for last irreversble move */
7037 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7039 /* if we hit starting position, add initial plies */
7040 if( count == backwardMostMove )
7041 count -= initialRulePlies;
7042 count = forwardMostMove - count;
7043 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7044 // adjust reversible move counter for checks in Xiangqi
7045 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7046 if(i < backwardMostMove) i = backwardMostMove;
7047 while(i <= forwardMostMove) {
7048 lastCheck = inCheck; // check evasion does not count
7049 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7050 if(inCheck || lastCheck) count--; // check does not count
7055 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7056 /* this is used to judge if draw claims are legal */
7057 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7058 if(engineOpponent) {
7059 SendToProgram("force\n", engineOpponent); // suppress reply
7060 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7062 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7063 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7067 /* if draw offer is pending, treat it as a draw claim
7068 * when draw condition present, to allow engines a way to
7069 * claim draws before making their move to avoid a race
7070 * condition occurring after their move
7072 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7074 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7075 p = "Draw claim: 50-move rule";
7076 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7077 p = "Draw claim: 3-fold repetition";
7078 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7079 p = "Draw claim: insufficient mating material";
7080 if( p != NULL && canAdjudicate) {
7081 if(engineOpponent) {
7082 SendToProgram("force\n", engineOpponent); // suppress reply
7083 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7085 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7086 GameEnds( GameIsDrawn, p, GE_XBOARD );
7091 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7092 if(engineOpponent) {
7093 SendToProgram("force\n", engineOpponent); // suppress reply
7094 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7096 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7097 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7103 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7104 { // [HGM] book: this routine intercepts moves to simulate book replies
7105 char *bookHit = NULL;
7107 //first determine if the incoming move brings opponent into his book
7108 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7109 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7110 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7111 if(bookHit != NULL && !cps->bookSuspend) {
7112 // make sure opponent is not going to reply after receiving move to book position
7113 SendToProgram("force\n", cps);
7114 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7116 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7117 // now arrange restart after book miss
7119 // after a book hit we never send 'go', and the code after the call to this routine
7120 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7122 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
7123 SendToProgram(buf, cps);
7124 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7125 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7126 SendToProgram("go\n", cps);
7127 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7128 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7129 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7130 SendToProgram("go\n", cps);
7131 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7133 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7137 ChessProgramState *savedState;
7138 void DeferredBookMove(void)
7140 if(savedState->lastPing != savedState->lastPong)
7141 ScheduleDelayedEvent(DeferredBookMove, 10);
7143 HandleMachineMove(savedMessage, savedState);
7147 HandleMachineMove(message, cps)
7149 ChessProgramState *cps;
7151 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7152 char realname[MSG_SIZ];
7153 int fromX, fromY, toX, toY;
7162 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7164 * Kludge to ignore BEL characters
7166 while (*message == '\007') message++;
7169 * [HGM] engine debug message: ignore lines starting with '#' character
7171 if(cps->debug && *message == '#') return;
7174 * Look for book output
7176 if (cps == &first && bookRequested) {
7177 if (message[0] == '\t' || message[0] == ' ') {
7178 /* Part of the book output is here; append it */
7179 strcat(bookOutput, message);
7180 strcat(bookOutput, " \n");
7182 } else if (bookOutput[0] != NULLCHAR) {
7183 /* All of book output has arrived; display it */
7184 char *p = bookOutput;
7185 while (*p != NULLCHAR) {
7186 if (*p == '\t') *p = ' ';
7189 DisplayInformation(bookOutput);
7190 bookRequested = FALSE;
7191 /* Fall through to parse the current output */
7196 * Look for machine move.
7198 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7199 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7201 /* This method is only useful on engines that support ping */
7202 if (cps->lastPing != cps->lastPong) {
7203 if (gameMode == BeginningOfGame) {
7204 /* Extra move from before last new; ignore */
7205 if (appData.debugMode) {
7206 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7209 if (appData.debugMode) {
7210 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7211 cps->which, gameMode);
7214 SendToProgram("undo\n", cps);
7220 case BeginningOfGame:
7221 /* Extra move from before last reset; ignore */
7222 if (appData.debugMode) {
7223 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7230 /* Extra move after we tried to stop. The mode test is
7231 not a reliable way of detecting this problem, but it's
7232 the best we can do on engines that don't support ping.
7234 if (appData.debugMode) {
7235 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7236 cps->which, gameMode);
7238 SendToProgram("undo\n", cps);
7241 case MachinePlaysWhite:
7242 case IcsPlayingWhite:
7243 machineWhite = TRUE;
7246 case MachinePlaysBlack:
7247 case IcsPlayingBlack:
7248 machineWhite = FALSE;
7251 case TwoMachinesPlay:
7252 machineWhite = (cps->twoMachinesColor[0] == 'w');
7255 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7256 if (appData.debugMode) {
7258 "Ignoring move out of turn by %s, gameMode %d"
7259 ", forwardMost %d\n",
7260 cps->which, gameMode, forwardMostMove);
7265 if (appData.debugMode) { int f = forwardMostMove;
7266 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7267 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7268 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7270 if(cps->alphaRank) AlphaRank(machineMove, 4);
7271 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7272 &fromX, &fromY, &toX, &toY, &promoChar)) {
7273 /* Machine move could not be parsed; ignore it. */
7274 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7275 machineMove, cps->which);
7276 DisplayError(buf1, 0);
7277 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7278 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7279 if (gameMode == TwoMachinesPlay) {
7280 GameEnds(machineWhite ? BlackWins : WhiteWins,
7286 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7287 /* So we have to redo legality test with true e.p. status here, */
7288 /* to make sure an illegal e.p. capture does not slip through, */
7289 /* to cause a forfeit on a justified illegal-move complaint */
7290 /* of the opponent. */
7291 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7293 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7294 fromY, fromX, toY, toX, promoChar);
7295 if (appData.debugMode) {
7297 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7298 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7299 fprintf(debugFP, "castling rights\n");
7301 if(moveType == IllegalMove) {
7302 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7303 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7304 GameEnds(machineWhite ? BlackWins : WhiteWins,
7307 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7308 /* [HGM] Kludge to handle engines that send FRC-style castling
7309 when they shouldn't (like TSCP-Gothic) */
7311 case WhiteASideCastleFR:
7312 case BlackASideCastleFR:
7314 currentMoveString[2]++;
7316 case WhiteHSideCastleFR:
7317 case BlackHSideCastleFR:
7319 currentMoveString[2]--;
7321 default: ; // nothing to do, but suppresses warning of pedantic compilers
7324 hintRequested = FALSE;
7325 lastHint[0] = NULLCHAR;
7326 bookRequested = FALSE;
7327 /* Program may be pondering now */
7328 cps->maybeThinking = TRUE;
7329 if (cps->sendTime == 2) cps->sendTime = 1;
7330 if (cps->offeredDraw) cps->offeredDraw--;
7332 /* currentMoveString is set as a side-effect of ParseOneMove */
7333 safeStrCpy(machineMove, currentMoveString, sizeof(machineMove)/sizeof(machineMove[0]));
7334 strcat(machineMove, "\n");
7335 safeStrCpy(moveList[forwardMostMove], machineMove, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
7337 /* [AS] Save move info*/
7338 pvInfoList[ forwardMostMove ].score = programStats.score;
7339 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7340 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7342 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7344 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7345 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7348 while( count < adjudicateLossPlies ) {
7349 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7352 score = -score; /* Flip score for winning side */
7355 if( score > adjudicateLossThreshold ) {
7362 if( count >= adjudicateLossPlies ) {
7363 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7365 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7366 "Xboard adjudication",
7373 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7376 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7378 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7379 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7381 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7383 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7385 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7386 char buf[3*MSG_SIZ];
7388 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7389 programStats.score / 100.,
7391 programStats.time / 100.,
7392 (unsigned int)programStats.nodes,
7393 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7394 programStats.movelist);
7396 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7401 /* [AS] Clear stats for next move */
7402 ClearProgramStats();
7403 thinkOutput[0] = NULLCHAR;
7404 hiddenThinkOutputState = 0;
7407 if (gameMode == TwoMachinesPlay) {
7408 /* [HGM] relaying draw offers moved to after reception of move */
7409 /* and interpreting offer as claim if it brings draw condition */
7410 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7411 SendToProgram("draw\n", cps->other);
7413 if (cps->other->sendTime) {
7414 SendTimeRemaining(cps->other,
7415 cps->other->twoMachinesColor[0] == 'w');
7417 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7418 if (firstMove && !bookHit) {
7420 if (cps->other->useColors) {
7421 SendToProgram(cps->other->twoMachinesColor, cps->other);
7423 SendToProgram("go\n", cps->other);
7425 cps->other->maybeThinking = TRUE;
7428 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7430 if (!pausing && appData.ringBellAfterMoves) {
7435 * Reenable menu items that were disabled while
7436 * machine was thinking
7438 if (gameMode != TwoMachinesPlay)
7439 SetUserThinkingEnables();
7441 // [HGM] book: after book hit opponent has received move and is now in force mode
7442 // force the book reply into it, and then fake that it outputted this move by jumping
7443 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7445 static char bookMove[MSG_SIZ]; // a bit generous?
7447 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7448 strcat(bookMove, bookHit);
7451 programStats.nodes = programStats.depth = programStats.time =
7452 programStats.score = programStats.got_only_move = 0;
7453 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7455 if(cps->lastPing != cps->lastPong) {
7456 savedMessage = message; // args for deferred call
7458 ScheduleDelayedEvent(DeferredBookMove, 10);
7467 /* Set special modes for chess engines. Later something general
7468 * could be added here; for now there is just one kludge feature,
7469 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7470 * when "xboard" is given as an interactive command.
7472 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7473 cps->useSigint = FALSE;
7474 cps->useSigterm = FALSE;
7476 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7477 ParseFeatures(message+8, cps);
7478 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7481 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
7482 int dummy, s=6; char buf[MSG_SIZ];
7483 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
7484 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
7485 ParseFEN(boards[0], &dummy, message+s);
7486 DrawPosition(TRUE, boards[0]);
7487 startedFromSetupPosition = TRUE;
7490 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7491 * want this, I was asked to put it in, and obliged.
7493 if (!strncmp(message, "setboard ", 9)) {
7494 Board initial_position;
7496 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7498 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7499 DisplayError(_("Bad FEN received from engine"), 0);
7503 CopyBoard(boards[0], initial_position);
7504 initialRulePlies = FENrulePlies;
7505 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7506 else gameMode = MachinePlaysBlack;
7507 DrawPosition(FALSE, boards[currentMove]);
7513 * Look for communication commands
7515 if (!strncmp(message, "telluser ", 9)) {
7516 if(message[9] == '\\' && message[10] == '\\')
7517 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
7518 DisplayNote(message + 9);
7521 if (!strncmp(message, "tellusererror ", 14)) {
7523 if(message[14] == '\\' && message[15] == '\\')
7524 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
7525 DisplayError(message + 14, 0);
7528 if (!strncmp(message, "tellopponent ", 13)) {
7529 if (appData.icsActive) {
7531 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7535 DisplayNote(message + 13);
7539 if (!strncmp(message, "tellothers ", 11)) {
7540 if (appData.icsActive) {
7542 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7548 if (!strncmp(message, "tellall ", 8)) {
7549 if (appData.icsActive) {
7551 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7555 DisplayNote(message + 8);
7559 if (strncmp(message, "warning", 7) == 0) {
7560 /* Undocumented feature, use tellusererror in new code */
7561 DisplayError(message, 0);
7564 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7565 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
7566 strcat(realname, " query");
7567 AskQuestion(realname, buf2, buf1, cps->pr);
7570 /* Commands from the engine directly to ICS. We don't allow these to be
7571 * sent until we are logged on. Crafty kibitzes have been known to
7572 * interfere with the login process.
7575 if (!strncmp(message, "tellics ", 8)) {
7576 SendToICS(message + 8);
7580 if (!strncmp(message, "tellicsnoalias ", 15)) {
7581 SendToICS(ics_prefix);
7582 SendToICS(message + 15);
7586 /* The following are for backward compatibility only */
7587 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7588 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7589 SendToICS(ics_prefix);
7595 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7599 * If the move is illegal, cancel it and redraw the board.
7600 * Also deal with other error cases. Matching is rather loose
7601 * here to accommodate engines written before the spec.
7603 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7604 strncmp(message, "Error", 5) == 0) {
7605 if (StrStr(message, "name") ||
7606 StrStr(message, "rating") || StrStr(message, "?") ||
7607 StrStr(message, "result") || StrStr(message, "board") ||
7608 StrStr(message, "bk") || StrStr(message, "computer") ||
7609 StrStr(message, "variant") || StrStr(message, "hint") ||
7610 StrStr(message, "random") || StrStr(message, "depth") ||
7611 StrStr(message, "accepted")) {
7614 if (StrStr(message, "protover")) {
7615 /* Program is responding to input, so it's apparently done
7616 initializing, and this error message indicates it is
7617 protocol version 1. So we don't need to wait any longer
7618 for it to initialize and send feature commands. */
7619 FeatureDone(cps, 1);
7620 cps->protocolVersion = 1;
7623 cps->maybeThinking = FALSE;
7625 if (StrStr(message, "draw")) {
7626 /* Program doesn't have "draw" command */
7627 cps->sendDrawOffers = 0;
7630 if (cps->sendTime != 1 &&
7631 (StrStr(message, "time") || StrStr(message, "otim"))) {
7632 /* Program apparently doesn't have "time" or "otim" command */
7636 if (StrStr(message, "analyze")) {
7637 cps->analysisSupport = FALSE;
7638 cps->analyzing = FALSE;
7640 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
7641 DisplayError(buf2, 0);
7644 if (StrStr(message, "(no matching move)st")) {
7645 /* Special kludge for GNU Chess 4 only */
7646 cps->stKludge = TRUE;
7647 SendTimeControl(cps, movesPerSession, timeControl,
7648 timeIncrement, appData.searchDepth,
7652 if (StrStr(message, "(no matching move)sd")) {
7653 /* Special kludge for GNU Chess 4 only */
7654 cps->sdKludge = TRUE;
7655 SendTimeControl(cps, movesPerSession, timeControl,
7656 timeIncrement, appData.searchDepth,
7660 if (!StrStr(message, "llegal")) {
7663 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7664 gameMode == IcsIdle) return;
7665 if (forwardMostMove <= backwardMostMove) return;
7666 if (pausing) PauseEvent();
7667 if(appData.forceIllegal) {
7668 // [HGM] illegal: machine refused move; force position after move into it
7669 SendToProgram("force\n", cps);
7670 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7671 // we have a real problem now, as SendBoard will use the a2a3 kludge
7672 // when black is to move, while there might be nothing on a2 or black
7673 // might already have the move. So send the board as if white has the move.
7674 // But first we must change the stm of the engine, as it refused the last move
7675 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7676 if(WhiteOnMove(forwardMostMove)) {
7677 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7678 SendBoard(cps, forwardMostMove); // kludgeless board
7680 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7681 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7682 SendBoard(cps, forwardMostMove+1); // kludgeless board
7684 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7685 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7686 gameMode == TwoMachinesPlay)
7687 SendToProgram("go\n", cps);
7690 if (gameMode == PlayFromGameFile) {
7691 /* Stop reading this game file */
7692 gameMode = EditGame;
7695 currentMove = forwardMostMove-1;
7696 DisplayMove(currentMove-1); /* before DisplayMoveError */
7697 SwitchClocks(forwardMostMove-1); // [HGM] race
7698 DisplayBothClocks();
7699 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
7700 parseList[currentMove], cps->which);
7701 DisplayMoveError(buf1);
7702 DrawPosition(FALSE, boards[currentMove]);
7704 /* [HGM] illegal-move claim should forfeit game when Xboard */
7705 /* only passes fully legal moves */
7706 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7707 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7708 "False illegal-move claim", GE_XBOARD );
7712 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7713 /* Program has a broken "time" command that
7714 outputs a string not ending in newline.
7720 * If chess program startup fails, exit with an error message.
7721 * Attempts to recover here are futile.
7723 if ((StrStr(message, "unknown host") != NULL)
7724 || (StrStr(message, "No remote directory") != NULL)
7725 || (StrStr(message, "not found") != NULL)
7726 || (StrStr(message, "No such file") != NULL)
7727 || (StrStr(message, "can't alloc") != NULL)
7728 || (StrStr(message, "Permission denied") != NULL)) {
7730 cps->maybeThinking = FALSE;
7731 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7732 cps->which, cps->program, cps->host, message);
7733 RemoveInputSource(cps->isr);
7734 DisplayFatalError(buf1, 0, 1);
7739 * Look for hint output
7741 if (sscanf(message, "Hint: %s", buf1) == 1) {
7742 if (cps == &first && hintRequested) {
7743 hintRequested = FALSE;
7744 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7745 &fromX, &fromY, &toX, &toY, &promoChar)) {
7746 (void) CoordsToAlgebraic(boards[forwardMostMove],
7747 PosFlags(forwardMostMove),
7748 fromY, fromX, toY, toX, promoChar, buf1);
7749 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7750 DisplayInformation(buf2);
7752 /* Hint move could not be parsed!? */
7753 snprintf(buf2, sizeof(buf2),
7754 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7756 DisplayError(buf2, 0);
7759 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
7765 * Ignore other messages if game is not in progress
7767 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7768 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7771 * look for win, lose, draw, or draw offer
7773 if (strncmp(message, "1-0", 3) == 0) {
7774 char *p, *q, *r = "";
7775 p = strchr(message, '{');
7783 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7785 } else if (strncmp(message, "0-1", 3) == 0) {
7786 char *p, *q, *r = "";
7787 p = strchr(message, '{');
7795 /* Kludge for Arasan 4.1 bug */
7796 if (strcmp(r, "Black resigns") == 0) {
7797 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7800 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7802 } else if (strncmp(message, "1/2", 3) == 0) {
7803 char *p, *q, *r = "";
7804 p = strchr(message, '{');
7813 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7816 } else if (strncmp(message, "White resign", 12) == 0) {
7817 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7819 } else if (strncmp(message, "Black resign", 12) == 0) {
7820 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7822 } else if (strncmp(message, "White matches", 13) == 0 ||
7823 strncmp(message, "Black matches", 13) == 0 ) {
7824 /* [HGM] ignore GNUShogi noises */
7826 } else if (strncmp(message, "White", 5) == 0 &&
7827 message[5] != '(' &&
7828 StrStr(message, "Black") == NULL) {
7829 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7831 } else if (strncmp(message, "Black", 5) == 0 &&
7832 message[5] != '(') {
7833 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7835 } else if (strcmp(message, "resign") == 0 ||
7836 strcmp(message, "computer resigns") == 0) {
7838 case MachinePlaysBlack:
7839 case IcsPlayingBlack:
7840 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7842 case MachinePlaysWhite:
7843 case IcsPlayingWhite:
7844 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7846 case TwoMachinesPlay:
7847 if (cps->twoMachinesColor[0] == 'w')
7848 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7850 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7857 } else if (strncmp(message, "opponent mates", 14) == 0) {
7859 case MachinePlaysBlack:
7860 case IcsPlayingBlack:
7861 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7863 case MachinePlaysWhite:
7864 case IcsPlayingWhite:
7865 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7867 case TwoMachinesPlay:
7868 if (cps->twoMachinesColor[0] == 'w')
7869 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7871 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7878 } else if (strncmp(message, "computer mates", 14) == 0) {
7880 case MachinePlaysBlack:
7881 case IcsPlayingBlack:
7882 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7884 case MachinePlaysWhite:
7885 case IcsPlayingWhite:
7886 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7888 case TwoMachinesPlay:
7889 if (cps->twoMachinesColor[0] == 'w')
7890 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7892 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7899 } else if (strncmp(message, "checkmate", 9) == 0) {
7900 if (WhiteOnMove(forwardMostMove)) {
7901 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7903 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7906 } else if (strstr(message, "Draw") != NULL ||
7907 strstr(message, "game is a draw") != NULL) {
7908 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7910 } else if (strstr(message, "offer") != NULL &&
7911 strstr(message, "draw") != NULL) {
7913 if (appData.zippyPlay && first.initDone) {
7914 /* Relay offer to ICS */
7915 SendToICS(ics_prefix);
7916 SendToICS("draw\n");
7919 cps->offeredDraw = 2; /* valid until this engine moves twice */
7920 if (gameMode == TwoMachinesPlay) {
7921 if (cps->other->offeredDraw) {
7922 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7923 /* [HGM] in two-machine mode we delay relaying draw offer */
7924 /* until after we also have move, to see if it is really claim */
7926 } else if (gameMode == MachinePlaysWhite ||
7927 gameMode == MachinePlaysBlack) {
7928 if (userOfferedDraw) {
7929 DisplayInformation(_("Machine accepts your draw offer"));
7930 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7932 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7939 * Look for thinking output
7941 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7942 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7944 int plylev, mvleft, mvtot, curscore, time;
7945 char mvname[MOVE_LEN];
7949 int prefixHint = FALSE;
7950 mvname[0] = NULLCHAR;
7953 case MachinePlaysBlack:
7954 case IcsPlayingBlack:
7955 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7957 case MachinePlaysWhite:
7958 case IcsPlayingWhite:
7959 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7964 case IcsObserving: /* [DM] icsEngineAnalyze */
7965 if (!appData.icsEngineAnalyze) ignore = TRUE;
7967 case TwoMachinesPlay:
7968 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7978 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7980 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7981 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7983 if (plyext != ' ' && plyext != '\t') {
7987 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7988 if( cps->scoreIsAbsolute &&
7989 ( gameMode == MachinePlaysBlack ||
7990 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7991 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7992 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7993 !WhiteOnMove(currentMove)
7996 curscore = -curscore;
8000 tempStats.depth = plylev;
8001 tempStats.nodes = nodes;
8002 tempStats.time = time;
8003 tempStats.score = curscore;
8004 tempStats.got_only_move = 0;
8006 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8009 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8010 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8011 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8012 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8013 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8014 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8015 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8016 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8019 /* Buffer overflow protection */
8020 if (buf1[0] != NULLCHAR) {
8021 if (strlen(buf1) >= sizeof(tempStats.movelist)
8022 && appData.debugMode) {
8024 "PV is too long; using the first %u bytes.\n",
8025 (unsigned) sizeof(tempStats.movelist) - 1);
8028 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8030 sprintf(tempStats.movelist, " no PV\n");
8033 if (tempStats.seen_stat) {
8034 tempStats.ok_to_send = 1;
8037 if (strchr(tempStats.movelist, '(') != NULL) {
8038 tempStats.line_is_book = 1;
8039 tempStats.nr_moves = 0;
8040 tempStats.moves_left = 0;
8042 tempStats.line_is_book = 0;
8045 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8046 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8048 SendProgramStatsToFrontend( cps, &tempStats );
8051 [AS] Protect the thinkOutput buffer from overflow... this
8052 is only useful if buf1 hasn't overflowed first!
8054 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8056 (gameMode == TwoMachinesPlay ?
8057 ToUpper(cps->twoMachinesColor[0]) : ' '),
8058 ((double) curscore) / 100.0,
8059 prefixHint ? lastHint : "",
8060 prefixHint ? " " : "" );
8062 if( buf1[0] != NULLCHAR ) {
8063 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8065 if( strlen(buf1) > max_len ) {
8066 if( appData.debugMode) {
8067 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8069 buf1[max_len+1] = '\0';
8072 strcat( thinkOutput, buf1 );
8075 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8076 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8077 DisplayMove(currentMove - 1);
8081 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8082 /* crafty (9.25+) says "(only move) <move>"
8083 * if there is only 1 legal move
8085 sscanf(p, "(only move) %s", buf1);
8086 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8087 sprintf(programStats.movelist, "%s (only move)", buf1);
8088 programStats.depth = 1;
8089 programStats.nr_moves = 1;
8090 programStats.moves_left = 1;
8091 programStats.nodes = 1;
8092 programStats.time = 1;
8093 programStats.got_only_move = 1;
8095 /* Not really, but we also use this member to
8096 mean "line isn't going to change" (Crafty
8097 isn't searching, so stats won't change) */
8098 programStats.line_is_book = 1;
8100 SendProgramStatsToFrontend( cps, &programStats );
8102 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8103 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8104 DisplayMove(currentMove - 1);
8107 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8108 &time, &nodes, &plylev, &mvleft,
8109 &mvtot, mvname) >= 5) {
8110 /* The stat01: line is from Crafty (9.29+) in response
8111 to the "." command */
8112 programStats.seen_stat = 1;
8113 cps->maybeThinking = TRUE;
8115 if (programStats.got_only_move || !appData.periodicUpdates)
8118 programStats.depth = plylev;
8119 programStats.time = time;
8120 programStats.nodes = nodes;
8121 programStats.moves_left = mvleft;
8122 programStats.nr_moves = mvtot;
8123 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8124 programStats.ok_to_send = 1;
8125 programStats.movelist[0] = '\0';
8127 SendProgramStatsToFrontend( cps, &programStats );
8131 } else if (strncmp(message,"++",2) == 0) {
8132 /* Crafty 9.29+ outputs this */
8133 programStats.got_fail = 2;
8136 } else if (strncmp(message,"--",2) == 0) {
8137 /* Crafty 9.29+ outputs this */
8138 programStats.got_fail = 1;
8141 } else if (thinkOutput[0] != NULLCHAR &&
8142 strncmp(message, " ", 4) == 0) {
8143 unsigned message_len;
8146 while (*p && *p == ' ') p++;
8148 message_len = strlen( p );
8150 /* [AS] Avoid buffer overflow */
8151 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8152 strcat(thinkOutput, " ");
8153 strcat(thinkOutput, p);
8156 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8157 strcat(programStats.movelist, " ");
8158 strcat(programStats.movelist, p);
8161 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8162 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8163 DisplayMove(currentMove - 1);
8171 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8172 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8174 ChessProgramStats cpstats;
8176 if (plyext != ' ' && plyext != '\t') {
8180 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8181 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8182 curscore = -curscore;
8185 cpstats.depth = plylev;
8186 cpstats.nodes = nodes;
8187 cpstats.time = time;
8188 cpstats.score = curscore;
8189 cpstats.got_only_move = 0;
8190 cpstats.movelist[0] = '\0';
8192 if (buf1[0] != NULLCHAR) {
8193 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8196 cpstats.ok_to_send = 0;
8197 cpstats.line_is_book = 0;
8198 cpstats.nr_moves = 0;
8199 cpstats.moves_left = 0;
8201 SendProgramStatsToFrontend( cps, &cpstats );
8208 /* Parse a game score from the character string "game", and
8209 record it as the history of the current game. The game
8210 score is NOT assumed to start from the standard position.
8211 The display is not updated in any way.
8214 ParseGameHistory(game)
8218 int fromX, fromY, toX, toY, boardIndex;
8223 if (appData.debugMode)
8224 fprintf(debugFP, "Parsing game history: %s\n", game);
8226 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8227 gameInfo.site = StrSave(appData.icsHost);
8228 gameInfo.date = PGNDate();
8229 gameInfo.round = StrSave("-");
8231 /* Parse out names of players */
8232 while (*game == ' ') game++;
8234 while (*game != ' ') *p++ = *game++;
8236 gameInfo.white = StrSave(buf);
8237 while (*game == ' ') game++;
8239 while (*game != ' ' && *game != '\n') *p++ = *game++;
8241 gameInfo.black = StrSave(buf);
8244 boardIndex = blackPlaysFirst ? 1 : 0;
8247 yyboardindex = boardIndex;
8248 moveType = (ChessMove) Myylex();
8250 case IllegalMove: /* maybe suicide chess, etc. */
8251 if (appData.debugMode) {
8252 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8253 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8254 setbuf(debugFP, NULL);
8256 case WhitePromotion:
8257 case BlackPromotion:
8258 case WhiteNonPromotion:
8259 case BlackNonPromotion:
8261 case WhiteCapturesEnPassant:
8262 case BlackCapturesEnPassant:
8263 case WhiteKingSideCastle:
8264 case WhiteQueenSideCastle:
8265 case BlackKingSideCastle:
8266 case BlackQueenSideCastle:
8267 case WhiteKingSideCastleWild:
8268 case WhiteQueenSideCastleWild:
8269 case BlackKingSideCastleWild:
8270 case BlackQueenSideCastleWild:
8272 case WhiteHSideCastleFR:
8273 case WhiteASideCastleFR:
8274 case BlackHSideCastleFR:
8275 case BlackASideCastleFR:
8277 fromX = currentMoveString[0] - AAA;
8278 fromY = currentMoveString[1] - ONE;
8279 toX = currentMoveString[2] - AAA;
8280 toY = currentMoveString[3] - ONE;
8281 promoChar = currentMoveString[4];
8285 fromX = moveType == WhiteDrop ?
8286 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8287 (int) CharToPiece(ToLower(currentMoveString[0]));
8289 toX = currentMoveString[2] - AAA;
8290 toY = currentMoveString[3] - ONE;
8291 promoChar = NULLCHAR;
8295 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8296 if (appData.debugMode) {
8297 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8298 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8299 setbuf(debugFP, NULL);
8301 DisplayError(buf, 0);
8303 case ImpossibleMove:
8305 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8306 if (appData.debugMode) {
8307 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8308 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8309 setbuf(debugFP, NULL);
8311 DisplayError(buf, 0);
8314 if (boardIndex < backwardMostMove) {
8315 /* Oops, gap. How did that happen? */
8316 DisplayError(_("Gap in move list"), 0);
8319 backwardMostMove = blackPlaysFirst ? 1 : 0;
8320 if (boardIndex > forwardMostMove) {
8321 forwardMostMove = boardIndex;
8325 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8326 strcat(parseList[boardIndex-1], " ");
8327 strcat(parseList[boardIndex-1], yy_text);
8339 case GameUnfinished:
8340 if (gameMode == IcsExamining) {
8341 if (boardIndex < backwardMostMove) {
8342 /* Oops, gap. How did that happen? */
8345 backwardMostMove = blackPlaysFirst ? 1 : 0;
8348 gameInfo.result = moveType;
8349 p = strchr(yy_text, '{');
8350 if (p == NULL) p = strchr(yy_text, '(');
8353 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8355 q = strchr(p, *p == '{' ? '}' : ')');
8356 if (q != NULL) *q = NULLCHAR;
8359 gameInfo.resultDetails = StrSave(p);
8362 if (boardIndex >= forwardMostMove &&
8363 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8364 backwardMostMove = blackPlaysFirst ? 1 : 0;
8367 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8368 fromY, fromX, toY, toX, promoChar,
8369 parseList[boardIndex]);
8370 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8371 /* currentMoveString is set as a side-effect of yylex */
8372 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8373 strcat(moveList[boardIndex], "\n");
8375 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8376 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8382 if(gameInfo.variant != VariantShogi)
8383 strcat(parseList[boardIndex - 1], "+");
8387 strcat(parseList[boardIndex - 1], "#");
8394 /* Apply a move to the given board */
8396 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8397 int fromX, fromY, toX, toY;
8401 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8402 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8404 /* [HGM] compute & store e.p. status and castling rights for new position */
8405 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8407 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8408 oldEP = (signed char)board[EP_STATUS];
8409 board[EP_STATUS] = EP_NONE;
8411 if( board[toY][toX] != EmptySquare )
8412 board[EP_STATUS] = EP_CAPTURE;
8414 if (fromY == DROP_RANK) {
8416 piece = board[toY][toX] = (ChessSquare) fromX;
8420 if( board[fromY][fromX] == WhitePawn ) {
8421 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8422 board[EP_STATUS] = EP_PAWN_MOVE;
8424 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8425 gameInfo.variant != VariantBerolina || toX < fromX)
8426 board[EP_STATUS] = toX | berolina;
8427 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8428 gameInfo.variant != VariantBerolina || toX > fromX)
8429 board[EP_STATUS] = toX;
8432 if( board[fromY][fromX] == BlackPawn ) {
8433 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8434 board[EP_STATUS] = EP_PAWN_MOVE;
8435 if( toY-fromY== -2) {
8436 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8437 gameInfo.variant != VariantBerolina || toX < fromX)
8438 board[EP_STATUS] = toX | berolina;
8439 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8440 gameInfo.variant != VariantBerolina || toX > fromX)
8441 board[EP_STATUS] = toX;
8445 for(i=0; i<nrCastlingRights; i++) {
8446 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8447 board[CASTLING][i] == toX && castlingRank[i] == toY
8448 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8451 if (fromX == toX && fromY == toY) return;
8453 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8454 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8455 if(gameInfo.variant == VariantKnightmate)
8456 king += (int) WhiteUnicorn - (int) WhiteKing;
8458 /* Code added by Tord: */
8459 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
8460 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
8461 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
8462 board[fromY][fromX] = EmptySquare;
8463 board[toY][toX] = EmptySquare;
8464 if((toX > fromX) != (piece == WhiteRook)) {
8465 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8467 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8469 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
8470 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
8471 board[fromY][fromX] = EmptySquare;
8472 board[toY][toX] = EmptySquare;
8473 if((toX > fromX) != (piece == BlackRook)) {
8474 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8476 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8478 /* End of code added by Tord */
8480 } else if (board[fromY][fromX] == king
8481 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8482 && toY == fromY && toX > fromX+1) {
8483 board[fromY][fromX] = EmptySquare;
8484 board[toY][toX] = king;
8485 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8486 board[fromY][BOARD_RGHT-1] = EmptySquare;
8487 } else if (board[fromY][fromX] == king
8488 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8489 && toY == fromY && toX < fromX-1) {
8490 board[fromY][fromX] = EmptySquare;
8491 board[toY][toX] = king;
8492 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8493 board[fromY][BOARD_LEFT] = EmptySquare;
8494 } else if (board[fromY][fromX] == WhitePawn
8495 && toY >= BOARD_HEIGHT-promoRank
8496 && gameInfo.variant != VariantXiangqi
8498 /* white pawn promotion */
8499 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8500 if (board[toY][toX] == EmptySquare) {
8501 board[toY][toX] = WhiteQueen;
8503 if(gameInfo.variant==VariantBughouse ||
8504 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8505 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8506 board[fromY][fromX] = EmptySquare;
8507 } else if ((fromY == BOARD_HEIGHT-4)
8509 && gameInfo.variant != VariantXiangqi
8510 && gameInfo.variant != VariantBerolina
8511 && (board[fromY][fromX] == WhitePawn)
8512 && (board[toY][toX] == EmptySquare)) {
8513 board[fromY][fromX] = EmptySquare;
8514 board[toY][toX] = WhitePawn;
8515 captured = board[toY - 1][toX];
8516 board[toY - 1][toX] = EmptySquare;
8517 } else if ((fromY == BOARD_HEIGHT-4)
8519 && gameInfo.variant == VariantBerolina
8520 && (board[fromY][fromX] == WhitePawn)
8521 && (board[toY][toX] == EmptySquare)) {
8522 board[fromY][fromX] = EmptySquare;
8523 board[toY][toX] = WhitePawn;
8524 if(oldEP & EP_BEROLIN_A) {
8525 captured = board[fromY][fromX-1];
8526 board[fromY][fromX-1] = EmptySquare;
8527 }else{ captured = board[fromY][fromX+1];
8528 board[fromY][fromX+1] = EmptySquare;
8530 } else if (board[fromY][fromX] == king
8531 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8532 && toY == fromY && toX > fromX+1) {
8533 board[fromY][fromX] = EmptySquare;
8534 board[toY][toX] = king;
8535 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8536 board[fromY][BOARD_RGHT-1] = EmptySquare;
8537 } else if (board[fromY][fromX] == king
8538 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8539 && toY == fromY && toX < fromX-1) {
8540 board[fromY][fromX] = EmptySquare;
8541 board[toY][toX] = king;
8542 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8543 board[fromY][BOARD_LEFT] = EmptySquare;
8544 } else if (fromY == 7 && fromX == 3
8545 && board[fromY][fromX] == BlackKing
8546 && toY == 7 && toX == 5) {
8547 board[fromY][fromX] = EmptySquare;
8548 board[toY][toX] = BlackKing;
8549 board[fromY][7] = EmptySquare;
8550 board[toY][4] = BlackRook;
8551 } else if (fromY == 7 && fromX == 3
8552 && board[fromY][fromX] == BlackKing
8553 && toY == 7 && toX == 1) {
8554 board[fromY][fromX] = EmptySquare;
8555 board[toY][toX] = BlackKing;
8556 board[fromY][0] = EmptySquare;
8557 board[toY][2] = BlackRook;
8558 } else if (board[fromY][fromX] == BlackPawn
8560 && gameInfo.variant != VariantXiangqi
8562 /* black pawn promotion */
8563 board[toY][toX] = CharToPiece(ToLower(promoChar));
8564 if (board[toY][toX] == EmptySquare) {
8565 board[toY][toX] = BlackQueen;
8567 if(gameInfo.variant==VariantBughouse ||
8568 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8569 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8570 board[fromY][fromX] = EmptySquare;
8571 } else if ((fromY == 3)
8573 && gameInfo.variant != VariantXiangqi
8574 && gameInfo.variant != VariantBerolina
8575 && (board[fromY][fromX] == BlackPawn)
8576 && (board[toY][toX] == EmptySquare)) {
8577 board[fromY][fromX] = EmptySquare;
8578 board[toY][toX] = BlackPawn;
8579 captured = board[toY + 1][toX];
8580 board[toY + 1][toX] = EmptySquare;
8581 } else if ((fromY == 3)
8583 && gameInfo.variant == VariantBerolina
8584 && (board[fromY][fromX] == BlackPawn)
8585 && (board[toY][toX] == EmptySquare)) {
8586 board[fromY][fromX] = EmptySquare;
8587 board[toY][toX] = BlackPawn;
8588 if(oldEP & EP_BEROLIN_A) {
8589 captured = board[fromY][fromX-1];
8590 board[fromY][fromX-1] = EmptySquare;
8591 }else{ captured = board[fromY][fromX+1];
8592 board[fromY][fromX+1] = EmptySquare;
8595 board[toY][toX] = board[fromY][fromX];
8596 board[fromY][fromX] = EmptySquare;
8600 if (gameInfo.holdingsWidth != 0) {
8602 /* !!A lot more code needs to be written to support holdings */
8603 /* [HGM] OK, so I have written it. Holdings are stored in the */
8604 /* penultimate board files, so they are automaticlly stored */
8605 /* in the game history. */
8606 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
8607 && promoChar && piece != WhitePawn && piece != BlackPawn) {
8608 /* Delete from holdings, by decreasing count */
8609 /* and erasing image if necessary */
8610 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
8611 if(p < (int) BlackPawn) { /* white drop */
8612 p -= (int)WhitePawn;
8613 p = PieceToNumber((ChessSquare)p);
8614 if(p >= gameInfo.holdingsSize) p = 0;
8615 if(--board[p][BOARD_WIDTH-2] <= 0)
8616 board[p][BOARD_WIDTH-1] = EmptySquare;
8617 if((int)board[p][BOARD_WIDTH-2] < 0)
8618 board[p][BOARD_WIDTH-2] = 0;
8619 } else { /* black drop */
8620 p -= (int)BlackPawn;
8621 p = PieceToNumber((ChessSquare)p);
8622 if(p >= gameInfo.holdingsSize) p = 0;
8623 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8624 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8625 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8626 board[BOARD_HEIGHT-1-p][1] = 0;
8629 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8630 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
8631 /* [HGM] holdings: Add to holdings, if holdings exist */
8632 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8633 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8634 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8637 if (p >= (int) BlackPawn) {
8638 p -= (int)BlackPawn;
8639 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8640 /* in Shogi restore piece to its original first */
8641 captured = (ChessSquare) (DEMOTED captured);
8644 p = PieceToNumber((ChessSquare)p);
8645 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8646 board[p][BOARD_WIDTH-2]++;
8647 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8649 p -= (int)WhitePawn;
8650 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8651 captured = (ChessSquare) (DEMOTED captured);
8654 p = PieceToNumber((ChessSquare)p);
8655 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8656 board[BOARD_HEIGHT-1-p][1]++;
8657 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8660 } else if (gameInfo.variant == VariantAtomic) {
8661 if (captured != EmptySquare) {
8663 for (y = toY-1; y <= toY+1; y++) {
8664 for (x = toX-1; x <= toX+1; x++) {
8665 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8666 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8667 board[y][x] = EmptySquare;
8671 board[toY][toX] = EmptySquare;
8674 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
8675 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
8677 if(promoChar == '+') {
8678 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
8679 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8680 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
8681 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
8683 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8684 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8685 // [HGM] superchess: take promotion piece out of holdings
8686 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8687 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8688 if(!--board[k][BOARD_WIDTH-2])
8689 board[k][BOARD_WIDTH-1] = EmptySquare;
8691 if(!--board[BOARD_HEIGHT-1-k][1])
8692 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8698 /* Updates forwardMostMove */
8700 MakeMove(fromX, fromY, toX, toY, promoChar)
8701 int fromX, fromY, toX, toY;
8704 // forwardMostMove++; // [HGM] bare: moved downstream
8706 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8707 int timeLeft; static int lastLoadFlag=0; int king, piece;
8708 piece = boards[forwardMostMove][fromY][fromX];
8709 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8710 if(gameInfo.variant == VariantKnightmate)
8711 king += (int) WhiteUnicorn - (int) WhiteKing;
8712 if(forwardMostMove == 0) {
8714 fprintf(serverMoves, "%s;", second.tidy);
8715 fprintf(serverMoves, "%s;", first.tidy);
8716 if(!blackPlaysFirst)
8717 fprintf(serverMoves, "%s;", second.tidy);
8718 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8719 lastLoadFlag = loadFlag;
8721 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8722 // print castling suffix
8723 if( toY == fromY && piece == king ) {
8725 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8727 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8730 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8731 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8732 boards[forwardMostMove][toY][toX] == EmptySquare
8733 && fromX != toX && fromY != toY)
8734 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8736 if(promoChar != NULLCHAR)
8737 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8739 fprintf(serverMoves, "/%d/%d",
8740 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8741 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8742 else timeLeft = blackTimeRemaining/1000;
8743 fprintf(serverMoves, "/%d", timeLeft);
8745 fflush(serverMoves);
8748 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8749 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8753 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8754 if (commentList[forwardMostMove+1] != NULL) {
8755 free(commentList[forwardMostMove+1]);
8756 commentList[forwardMostMove+1] = NULL;
8758 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8759 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8760 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8761 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8762 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8763 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8764 gameInfo.result = GameUnfinished;
8765 if (gameInfo.resultDetails != NULL) {
8766 free(gameInfo.resultDetails);
8767 gameInfo.resultDetails = NULL;
8769 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8770 moveList[forwardMostMove - 1]);
8771 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8772 PosFlags(forwardMostMove - 1),
8773 fromY, fromX, toY, toX, promoChar,
8774 parseList[forwardMostMove - 1]);
8775 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8781 if(gameInfo.variant != VariantShogi)
8782 strcat(parseList[forwardMostMove - 1], "+");
8786 strcat(parseList[forwardMostMove - 1], "#");
8789 if (appData.debugMode) {
8790 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8795 /* Updates currentMove if not pausing */
8797 ShowMove(fromX, fromY, toX, toY)
8799 int instant = (gameMode == PlayFromGameFile) ?
8800 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8801 if(appData.noGUI) return;
8802 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8804 if (forwardMostMove == currentMove + 1) {
8805 AnimateMove(boards[forwardMostMove - 1],
8806 fromX, fromY, toX, toY);
8808 if (appData.highlightLastMove) {
8809 SetHighlights(fromX, fromY, toX, toY);
8812 currentMove = forwardMostMove;
8815 if (instant) return;
8817 DisplayMove(currentMove - 1);
8818 DrawPosition(FALSE, boards[currentMove]);
8819 DisplayBothClocks();
8820 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8823 void SendEgtPath(ChessProgramState *cps)
8824 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8825 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8827 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8830 char c, *q = name+1, *r, *s;
8832 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8833 while(*p && *p != ',') *q++ = *p++;
8835 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8836 strcmp(name, ",nalimov:") == 0 ) {
8837 // take nalimov path from the menu-changeable option first, if it is defined
8838 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8839 SendToProgram(buf,cps); // send egtbpath command for nalimov
8841 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8842 (s = StrStr(appData.egtFormats, name)) != NULL) {
8843 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8844 s = r = StrStr(s, ":") + 1; // beginning of path info
8845 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8846 c = *r; *r = 0; // temporarily null-terminate path info
8847 *--q = 0; // strip of trailig ':' from name
8848 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
8850 SendToProgram(buf,cps); // send egtbpath command for this format
8852 if(*p == ',') p++; // read away comma to position for next format name
8857 InitChessProgram(cps, setup)
8858 ChessProgramState *cps;
8859 int setup; /* [HGM] needed to setup FRC opening position */
8861 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8862 if (appData.noChessProgram) return;
8863 hintRequested = FALSE;
8864 bookRequested = FALSE;
8866 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8867 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8868 if(cps->memSize) { /* [HGM] memory */
8869 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8870 SendToProgram(buf, cps);
8872 SendEgtPath(cps); /* [HGM] EGT */
8873 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8874 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
8875 SendToProgram(buf, cps);
8878 SendToProgram(cps->initString, cps);
8879 if (gameInfo.variant != VariantNormal &&
8880 gameInfo.variant != VariantLoadable
8881 /* [HGM] also send variant if board size non-standard */
8882 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8884 char *v = VariantName(gameInfo.variant);
8885 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8886 /* [HGM] in protocol 1 we have to assume all variants valid */
8887 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
8888 DisplayFatalError(buf, 0, 1);
8892 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8893 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8894 if( gameInfo.variant == VariantXiangqi )
8895 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8896 if( gameInfo.variant == VariantShogi )
8897 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8898 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8899 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8900 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8901 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8902 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8903 if( gameInfo.variant == VariantCourier )
8904 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8905 if( gameInfo.variant == VariantSuper )
8906 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8907 if( gameInfo.variant == VariantGreat )
8908 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8911 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8912 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8913 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8914 if(StrStr(cps->variants, b) == NULL) {
8915 // specific sized variant not known, check if general sizing allowed
8916 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8917 if(StrStr(cps->variants, "boardsize") == NULL) {
8918 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
8919 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8920 DisplayFatalError(buf, 0, 1);
8923 /* [HGM] here we really should compare with the maximum supported board size */
8926 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
8927 snprintf(buf, MSG_SIZ, "variant %s\n", b);
8928 SendToProgram(buf, cps);
8930 currentlyInitializedVariant = gameInfo.variant;
8932 /* [HGM] send opening position in FRC to first engine */
8934 SendToProgram("force\n", cps);
8936 /* engine is now in force mode! Set flag to wake it up after first move. */
8937 setboardSpoiledMachineBlack = 1;
8941 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8942 SendToProgram(buf, cps);
8944 cps->maybeThinking = FALSE;
8945 cps->offeredDraw = 0;
8946 if (!appData.icsActive) {
8947 SendTimeControl(cps, movesPerSession, timeControl,
8948 timeIncrement, appData.searchDepth,
8951 if (appData.showThinking
8952 // [HGM] thinking: four options require thinking output to be sent
8953 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8955 SendToProgram("post\n", cps);
8957 SendToProgram("hard\n", cps);
8958 if (!appData.ponderNextMove) {
8959 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8960 it without being sure what state we are in first. "hard"
8961 is not a toggle, so that one is OK.
8963 SendToProgram("easy\n", cps);
8966 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
8967 SendToProgram(buf, cps);
8969 cps->initDone = TRUE;
8974 StartChessProgram(cps)
8975 ChessProgramState *cps;
8980 if (appData.noChessProgram) return;
8981 cps->initDone = FALSE;
8983 if (strcmp(cps->host, "localhost") == 0) {
8984 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8985 } else if (*appData.remoteShell == NULLCHAR) {
8986 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8988 if (*appData.remoteUser == NULLCHAR) {
8989 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8992 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8993 cps->host, appData.remoteUser, cps->program);
8995 err = StartChildProcess(buf, "", &cps->pr);
8999 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9000 DisplayFatalError(buf, err, 1);
9006 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9007 if (cps->protocolVersion > 1) {
9008 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9009 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9010 cps->comboCnt = 0; // and values of combo boxes
9011 SendToProgram(buf, cps);
9013 SendToProgram("xboard\n", cps);
9019 TwoMachinesEventIfReady P((void))
9021 if (first.lastPing != first.lastPong) {
9022 DisplayMessage("", _("Waiting for first chess program"));
9023 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9026 if (second.lastPing != second.lastPong) {
9027 DisplayMessage("", _("Waiting for second chess program"));
9028 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9036 NextMatchGame P((void))
9038 int index; /* [HGM] autoinc: step load index during match */
9040 if (*appData.loadGameFile != NULLCHAR) {
9041 index = appData.loadGameIndex;
9042 if(index < 0) { // [HGM] autoinc
9043 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9044 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9046 LoadGameFromFile(appData.loadGameFile,
9048 appData.loadGameFile, FALSE);
9049 } else if (*appData.loadPositionFile != NULLCHAR) {
9050 index = appData.loadPositionIndex;
9051 if(index < 0) { // [HGM] autoinc
9052 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9053 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9055 LoadPositionFromFile(appData.loadPositionFile,
9057 appData.loadPositionFile);
9059 TwoMachinesEventIfReady();
9062 void UserAdjudicationEvent( int result )
9064 ChessMove gameResult = GameIsDrawn;
9067 gameResult = WhiteWins;
9069 else if( result < 0 ) {
9070 gameResult = BlackWins;
9073 if( gameMode == TwoMachinesPlay ) {
9074 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9079 // [HGM] save: calculate checksum of game to make games easily identifiable
9080 int StringCheckSum(char *s)
9083 if(s==NULL) return 0;
9084 while(*s) i = i*259 + *s++;
9091 for(i=backwardMostMove; i<forwardMostMove; i++) {
9092 sum += pvInfoList[i].depth;
9093 sum += StringCheckSum(parseList[i]);
9094 sum += StringCheckSum(commentList[i]);
9097 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9098 return sum + StringCheckSum(commentList[i]);
9099 } // end of save patch
9102 GameEnds(result, resultDetails, whosays)
9104 char *resultDetails;
9107 GameMode nextGameMode;
9109 char buf[MSG_SIZ], popupRequested = 0;
9111 if(endingGame) return; /* [HGM] crash: forbid recursion */
9113 if(twoBoards) { // [HGM] dual: switch back to one board
9114 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9115 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9117 if (appData.debugMode) {
9118 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9119 result, resultDetails ? resultDetails : "(null)", whosays);
9122 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9124 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9125 /* If we are playing on ICS, the server decides when the
9126 game is over, but the engine can offer to draw, claim
9130 if (appData.zippyPlay && first.initDone) {
9131 if (result == GameIsDrawn) {
9132 /* In case draw still needs to be claimed */
9133 SendToICS(ics_prefix);
9134 SendToICS("draw\n");
9135 } else if (StrCaseStr(resultDetails, "resign")) {
9136 SendToICS(ics_prefix);
9137 SendToICS("resign\n");
9141 endingGame = 0; /* [HGM] crash */
9145 /* If we're loading the game from a file, stop */
9146 if (whosays == GE_FILE) {
9147 (void) StopLoadGameTimer();
9151 /* Cancel draw offers */
9152 first.offeredDraw = second.offeredDraw = 0;
9154 /* If this is an ICS game, only ICS can really say it's done;
9155 if not, anyone can. */
9156 isIcsGame = (gameMode == IcsPlayingWhite ||
9157 gameMode == IcsPlayingBlack ||
9158 gameMode == IcsObserving ||
9159 gameMode == IcsExamining);
9161 if (!isIcsGame || whosays == GE_ICS) {
9162 /* OK -- not an ICS game, or ICS said it was done */
9164 if (!isIcsGame && !appData.noChessProgram)
9165 SetUserThinkingEnables();
9167 /* [HGM] if a machine claims the game end we verify this claim */
9168 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9169 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9171 ChessMove trueResult = (ChessMove) -1;
9173 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9174 first.twoMachinesColor[0] :
9175 second.twoMachinesColor[0] ;
9177 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9178 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9179 /* [HGM] verify: engine mate claims accepted if they were flagged */
9180 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9182 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9183 /* [HGM] verify: engine mate claims accepted if they were flagged */
9184 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9186 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9187 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9190 // now verify win claims, but not in drop games, as we don't understand those yet
9191 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9192 || gameInfo.variant == VariantGreat) &&
9193 (result == WhiteWins && claimer == 'w' ||
9194 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9195 if (appData.debugMode) {
9196 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9197 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9199 if(result != trueResult) {
9200 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
9201 result = claimer == 'w' ? BlackWins : WhiteWins;
9202 resultDetails = buf;
9205 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9206 && (forwardMostMove <= backwardMostMove ||
9207 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9208 (claimer=='b')==(forwardMostMove&1))
9210 /* [HGM] verify: draws that were not flagged are false claims */
9211 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
9212 result = claimer == 'w' ? BlackWins : WhiteWins;
9213 resultDetails = buf;
9215 /* (Claiming a loss is accepted no questions asked!) */
9217 /* [HGM] bare: don't allow bare King to win */
9218 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9219 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9220 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9221 && result != GameIsDrawn)
9222 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9223 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9224 int p = (signed char)boards[forwardMostMove][i][j] - color;
9225 if(p >= 0 && p <= (int)WhiteKing) k++;
9227 if (appData.debugMode) {
9228 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9229 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9232 result = GameIsDrawn;
9233 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
9234 resultDetails = buf;
9240 if(serverMoves != NULL && !loadFlag) { char c = '=';
9241 if(result==WhiteWins) c = '+';
9242 if(result==BlackWins) c = '-';
9243 if(resultDetails != NULL)
9244 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9246 if (resultDetails != NULL) {
9247 gameInfo.result = result;
9248 gameInfo.resultDetails = StrSave(resultDetails);
9250 /* display last move only if game was not loaded from file */
9251 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9252 DisplayMove(currentMove - 1);
9254 if (forwardMostMove != 0) {
9255 if (gameMode != PlayFromGameFile && gameMode != EditGame
9256 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9258 if (*appData.saveGameFile != NULLCHAR) {
9259 SaveGameToFile(appData.saveGameFile, TRUE);
9260 } else if (appData.autoSaveGames) {
9263 if (*appData.savePositionFile != NULLCHAR) {
9264 SavePositionToFile(appData.savePositionFile);
9269 /* Tell program how game ended in case it is learning */
9270 /* [HGM] Moved this to after saving the PGN, just in case */
9271 /* engine died and we got here through time loss. In that */
9272 /* case we will get a fatal error writing the pipe, which */
9273 /* would otherwise lose us the PGN. */
9274 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9275 /* output during GameEnds should never be fatal anymore */
9276 if (gameMode == MachinePlaysWhite ||
9277 gameMode == MachinePlaysBlack ||
9278 gameMode == TwoMachinesPlay ||
9279 gameMode == IcsPlayingWhite ||
9280 gameMode == IcsPlayingBlack ||
9281 gameMode == BeginningOfGame) {
9283 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
9285 if (first.pr != NoProc) {
9286 SendToProgram(buf, &first);
9288 if (second.pr != NoProc &&
9289 gameMode == TwoMachinesPlay) {
9290 SendToProgram(buf, &second);
9295 if (appData.icsActive) {
9296 if (appData.quietPlay &&
9297 (gameMode == IcsPlayingWhite ||
9298 gameMode == IcsPlayingBlack)) {
9299 SendToICS(ics_prefix);
9300 SendToICS("set shout 1\n");
9302 nextGameMode = IcsIdle;
9303 ics_user_moved = FALSE;
9304 /* clean up premove. It's ugly when the game has ended and the
9305 * premove highlights are still on the board.
9309 ClearPremoveHighlights();
9310 DrawPosition(FALSE, boards[currentMove]);
9312 if (whosays == GE_ICS) {
9315 if (gameMode == IcsPlayingWhite)
9317 else if(gameMode == IcsPlayingBlack)
9321 if (gameMode == IcsPlayingBlack)
9323 else if(gameMode == IcsPlayingWhite)
9330 PlayIcsUnfinishedSound();
9333 } else if (gameMode == EditGame ||
9334 gameMode == PlayFromGameFile ||
9335 gameMode == AnalyzeMode ||
9336 gameMode == AnalyzeFile) {
9337 nextGameMode = gameMode;
9339 nextGameMode = EndOfGame;
9344 nextGameMode = gameMode;
9347 if (appData.noChessProgram) {
9348 gameMode = nextGameMode;
9350 endingGame = 0; /* [HGM] crash */
9355 /* Put first chess program into idle state */
9356 if (first.pr != NoProc &&
9357 (gameMode == MachinePlaysWhite ||
9358 gameMode == MachinePlaysBlack ||
9359 gameMode == TwoMachinesPlay ||
9360 gameMode == IcsPlayingWhite ||
9361 gameMode == IcsPlayingBlack ||
9362 gameMode == BeginningOfGame)) {
9363 SendToProgram("force\n", &first);
9364 if (first.usePing) {
9366 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
9367 SendToProgram(buf, &first);
9370 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9371 /* Kill off first chess program */
9372 if (first.isr != NULL)
9373 RemoveInputSource(first.isr);
9376 if (first.pr != NoProc) {
9378 DoSleep( appData.delayBeforeQuit );
9379 SendToProgram("quit\n", &first);
9380 DoSleep( appData.delayAfterQuit );
9381 DestroyChildProcess(first.pr, first.useSigterm);
9386 /* Put second chess program into idle state */
9387 if (second.pr != NoProc &&
9388 gameMode == TwoMachinesPlay) {
9389 SendToProgram("force\n", &second);
9390 if (second.usePing) {
9392 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
9393 SendToProgram(buf, &second);
9396 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9397 /* Kill off second chess program */
9398 if (second.isr != NULL)
9399 RemoveInputSource(second.isr);
9402 if (second.pr != NoProc) {
9403 DoSleep( appData.delayBeforeQuit );
9404 SendToProgram("quit\n", &second);
9405 DoSleep( appData.delayAfterQuit );
9406 DestroyChildProcess(second.pr, second.useSigterm);
9411 if (matchMode && gameMode == TwoMachinesPlay) {
9414 if (first.twoMachinesColor[0] == 'w') {
9421 if (first.twoMachinesColor[0] == 'b') {
9430 if (matchGame < appData.matchGames) {
9432 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9433 tmp = first.twoMachinesColor;
9434 first.twoMachinesColor = second.twoMachinesColor;
9435 second.twoMachinesColor = tmp;
9437 gameMode = nextGameMode;
9439 if(appData.matchPause>10000 || appData.matchPause<10)
9440 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9441 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9442 endingGame = 0; /* [HGM] crash */
9445 gameMode = nextGameMode;
9446 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
9447 first.tidy, second.tidy,
9448 first.matchWins, second.matchWins,
9449 appData.matchGames - (first.matchWins + second.matchWins));
9450 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
9453 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9454 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9456 gameMode = nextGameMode;
9458 endingGame = 0; /* [HGM] crash */
9459 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
9460 if(matchMode == TRUE) DisplayFatalError(buf, 0, 0); else {
9461 matchMode = FALSE; appData.matchGames = matchGame = 0;
9467 /* Assumes program was just initialized (initString sent).
9468 Leaves program in force mode. */
9470 FeedMovesToProgram(cps, upto)
9471 ChessProgramState *cps;
9476 if (appData.debugMode)
9477 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9478 startedFromSetupPosition ? "position and " : "",
9479 backwardMostMove, upto, cps->which);
9480 if(currentlyInitializedVariant != gameInfo.variant) {
9482 // [HGM] variantswitch: make engine aware of new variant
9483 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9484 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9485 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
9486 SendToProgram(buf, cps);
9487 currentlyInitializedVariant = gameInfo.variant;
9489 SendToProgram("force\n", cps);
9490 if (startedFromSetupPosition) {
9491 SendBoard(cps, backwardMostMove);
9492 if (appData.debugMode) {
9493 fprintf(debugFP, "feedMoves\n");
9496 for (i = backwardMostMove; i < upto; i++) {
9497 SendMoveToProgram(i, cps);
9503 ResurrectChessProgram()
9505 /* The chess program may have exited.
9506 If so, restart it and feed it all the moves made so far. */
9508 if (appData.noChessProgram || first.pr != NoProc) return;
9510 StartChessProgram(&first);
9511 InitChessProgram(&first, FALSE);
9512 FeedMovesToProgram(&first, currentMove);
9514 if (!first.sendTime) {
9515 /* can't tell gnuchess what its clock should read,
9516 so we bow to its notion. */
9518 timeRemaining[0][currentMove] = whiteTimeRemaining;
9519 timeRemaining[1][currentMove] = blackTimeRemaining;
9522 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9523 appData.icsEngineAnalyze) && first.analysisSupport) {
9524 SendToProgram("analyze\n", &first);
9525 first.analyzing = TRUE;
9538 if (appData.debugMode) {
9539 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9540 redraw, init, gameMode);
9542 CleanupTail(); // [HGM] vari: delete any stored variations
9543 pausing = pauseExamInvalid = FALSE;
9544 startedFromSetupPosition = blackPlaysFirst = FALSE;
9546 whiteFlag = blackFlag = FALSE;
9547 userOfferedDraw = FALSE;
9548 hintRequested = bookRequested = FALSE;
9549 first.maybeThinking = FALSE;
9550 second.maybeThinking = FALSE;
9551 first.bookSuspend = FALSE; // [HGM] book
9552 second.bookSuspend = FALSE;
9553 thinkOutput[0] = NULLCHAR;
9554 lastHint[0] = NULLCHAR;
9555 ClearGameInfo(&gameInfo);
9556 gameInfo.variant = StringToVariant(appData.variant);
9557 ics_user_moved = ics_clock_paused = FALSE;
9558 ics_getting_history = H_FALSE;
9560 white_holding[0] = black_holding[0] = NULLCHAR;
9561 ClearProgramStats();
9562 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9566 flipView = appData.flipView;
9567 ClearPremoveHighlights();
9569 alarmSounded = FALSE;
9571 GameEnds(EndOfFile, NULL, GE_PLAYER);
9572 if(appData.serverMovesName != NULL) {
9573 /* [HGM] prepare to make moves file for broadcasting */
9574 clock_t t = clock();
9575 if(serverMoves != NULL) fclose(serverMoves);
9576 serverMoves = fopen(appData.serverMovesName, "r");
9577 if(serverMoves != NULL) {
9578 fclose(serverMoves);
9579 /* delay 15 sec before overwriting, so all clients can see end */
9580 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9582 serverMoves = fopen(appData.serverMovesName, "w");
9586 gameMode = BeginningOfGame;
9588 if(appData.icsActive) gameInfo.variant = VariantNormal;
9589 currentMove = forwardMostMove = backwardMostMove = 0;
9590 InitPosition(redraw);
9591 for (i = 0; i < MAX_MOVES; i++) {
9592 if (commentList[i] != NULL) {
9593 free(commentList[i]);
9594 commentList[i] = NULL;
9598 timeRemaining[0][0] = whiteTimeRemaining;
9599 timeRemaining[1][0] = blackTimeRemaining;
9600 if (first.pr == NULL) {
9601 StartChessProgram(&first);
9604 InitChessProgram(&first, startedFromSetupPosition);
9607 DisplayMessage("", "");
9608 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9609 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9616 if (!AutoPlayOneMove())
9618 if (matchMode || appData.timeDelay == 0)
9620 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9622 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9631 int fromX, fromY, toX, toY;
9633 if (appData.debugMode) {
9634 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9637 if (gameMode != PlayFromGameFile)
9640 if (currentMove >= forwardMostMove) {
9641 gameMode = EditGame;
9644 /* [AS] Clear current move marker at the end of a game */
9645 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9650 toX = moveList[currentMove][2] - AAA;
9651 toY = moveList[currentMove][3] - ONE;
9653 if (moveList[currentMove][1] == '@') {
9654 if (appData.highlightLastMove) {
9655 SetHighlights(-1, -1, toX, toY);
9658 fromX = moveList[currentMove][0] - AAA;
9659 fromY = moveList[currentMove][1] - ONE;
9661 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9663 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9665 if (appData.highlightLastMove) {
9666 SetHighlights(fromX, fromY, toX, toY);
9669 DisplayMove(currentMove);
9670 SendMoveToProgram(currentMove++, &first);
9671 DisplayBothClocks();
9672 DrawPosition(FALSE, boards[currentMove]);
9673 // [HGM] PV info: always display, routine tests if empty
9674 DisplayComment(currentMove - 1, commentList[currentMove]);
9680 LoadGameOneMove(readAhead)
9681 ChessMove readAhead;
9683 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9684 char promoChar = NULLCHAR;
9689 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9690 gameMode != AnalyzeMode && gameMode != Training) {
9695 yyboardindex = forwardMostMove;
9696 if (readAhead != EndOfFile) {
9697 moveType = readAhead;
9699 if (gameFileFP == NULL)
9701 moveType = (ChessMove) Myylex();
9707 if (appData.debugMode)
9708 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9711 /* append the comment but don't display it */
9712 AppendComment(currentMove, p, FALSE);
9715 case WhiteCapturesEnPassant:
9716 case BlackCapturesEnPassant:
9717 case WhitePromotion:
9718 case BlackPromotion:
9719 case WhiteNonPromotion:
9720 case BlackNonPromotion:
9722 case WhiteKingSideCastle:
9723 case WhiteQueenSideCastle:
9724 case BlackKingSideCastle:
9725 case BlackQueenSideCastle:
9726 case WhiteKingSideCastleWild:
9727 case WhiteQueenSideCastleWild:
9728 case BlackKingSideCastleWild:
9729 case BlackQueenSideCastleWild:
9731 case WhiteHSideCastleFR:
9732 case WhiteASideCastleFR:
9733 case BlackHSideCastleFR:
9734 case BlackASideCastleFR:
9736 if (appData.debugMode)
9737 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9738 fromX = currentMoveString[0] - AAA;
9739 fromY = currentMoveString[1] - ONE;
9740 toX = currentMoveString[2] - AAA;
9741 toY = currentMoveString[3] - ONE;
9742 promoChar = currentMoveString[4];
9747 if (appData.debugMode)
9748 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9749 fromX = moveType == WhiteDrop ?
9750 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9751 (int) CharToPiece(ToLower(currentMoveString[0]));
9753 toX = currentMoveString[2] - AAA;
9754 toY = currentMoveString[3] - ONE;
9760 case GameUnfinished:
9761 if (appData.debugMode)
9762 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9763 p = strchr(yy_text, '{');
9764 if (p == NULL) p = strchr(yy_text, '(');
9767 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9769 q = strchr(p, *p == '{' ? '}' : ')');
9770 if (q != NULL) *q = NULLCHAR;
9773 GameEnds(moveType, p, GE_FILE);
9775 if (cmailMsgLoaded) {
9777 flipView = WhiteOnMove(currentMove);
9778 if (moveType == GameUnfinished) flipView = !flipView;
9779 if (appData.debugMode)
9780 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9785 if (appData.debugMode)
9786 fprintf(debugFP, "Parser hit end of file\n");
9787 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9793 if (WhiteOnMove(currentMove)) {
9794 GameEnds(BlackWins, "Black mates", GE_FILE);
9796 GameEnds(WhiteWins, "White mates", GE_FILE);
9800 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9807 if (lastLoadGameStart == GNUChessGame) {
9808 /* GNUChessGames have numbers, but they aren't move numbers */
9809 if (appData.debugMode)
9810 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9811 yy_text, (int) moveType);
9812 return LoadGameOneMove(EndOfFile); /* tail recursion */
9814 /* else fall thru */
9819 /* Reached start of next game in file */
9820 if (appData.debugMode)
9821 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9822 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9828 if (WhiteOnMove(currentMove)) {
9829 GameEnds(BlackWins, "Black mates", GE_FILE);
9831 GameEnds(WhiteWins, "White mates", GE_FILE);
9835 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9841 case PositionDiagram: /* should not happen; ignore */
9842 case ElapsedTime: /* ignore */
9843 case NAG: /* ignore */
9844 if (appData.debugMode)
9845 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9846 yy_text, (int) moveType);
9847 return LoadGameOneMove(EndOfFile); /* tail recursion */
9850 if (appData.testLegality) {
9851 if (appData.debugMode)
9852 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9853 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9854 (forwardMostMove / 2) + 1,
9855 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9856 DisplayError(move, 0);
9859 if (appData.debugMode)
9860 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9861 yy_text, currentMoveString);
9862 fromX = currentMoveString[0] - AAA;
9863 fromY = currentMoveString[1] - ONE;
9864 toX = currentMoveString[2] - AAA;
9865 toY = currentMoveString[3] - ONE;
9866 promoChar = currentMoveString[4];
9871 if (appData.debugMode)
9872 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9873 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
9874 (forwardMostMove / 2) + 1,
9875 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9876 DisplayError(move, 0);
9881 case ImpossibleMove:
9882 if (appData.debugMode)
9883 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9884 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9885 (forwardMostMove / 2) + 1,
9886 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9887 DisplayError(move, 0);
9893 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9894 DrawPosition(FALSE, boards[currentMove]);
9895 DisplayBothClocks();
9896 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9897 DisplayComment(currentMove - 1, commentList[currentMove]);
9899 (void) StopLoadGameTimer();
9901 cmailOldMove = forwardMostMove;
9904 /* currentMoveString is set as a side-effect of yylex */
9905 strcat(currentMoveString, "\n");
9906 safeStrCpy(moveList[forwardMostMove], currentMoveString, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
9908 thinkOutput[0] = NULLCHAR;
9909 MakeMove(fromX, fromY, toX, toY, promoChar);
9910 currentMove = forwardMostMove;
9915 /* Load the nth game from the given file */
9917 LoadGameFromFile(filename, n, title, useList)
9921 /*Boolean*/ int useList;
9926 if (strcmp(filename, "-") == 0) {
9930 f = fopen(filename, "rb");
9932 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9933 DisplayError(buf, errno);
9937 if (fseek(f, 0, 0) == -1) {
9938 /* f is not seekable; probably a pipe */
9941 if (useList && n == 0) {
9942 int error = GameListBuild(f);
9944 DisplayError(_("Cannot build game list"), error);
9945 } else if (!ListEmpty(&gameList) &&
9946 ((ListGame *) gameList.tailPred)->number > 1) {
9947 GameListPopUp(f, title);
9954 return LoadGame(f, n, title, FALSE);
9959 MakeRegisteredMove()
9961 int fromX, fromY, toX, toY;
9963 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9964 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9967 if (appData.debugMode)
9968 fprintf(debugFP, "Restoring %s for game %d\n",
9969 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9971 thinkOutput[0] = NULLCHAR;
9972 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
9973 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9974 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9975 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9976 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9977 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9978 MakeMove(fromX, fromY, toX, toY, promoChar);
9979 ShowMove(fromX, fromY, toX, toY);
9981 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9988 if (WhiteOnMove(currentMove)) {
9989 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9991 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9996 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
10003 if (WhiteOnMove(currentMove)) {
10004 GameEnds(BlackWins, "White resigns", GE_PLAYER);
10006 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
10011 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
10022 /* Wrapper around LoadGame for use when a Cmail message is loaded */
10024 CmailLoadGame(f, gameNumber, title, useList)
10032 if (gameNumber > nCmailGames) {
10033 DisplayError(_("No more games in this message"), 0);
10036 if (f == lastLoadGameFP) {
10037 int offset = gameNumber - lastLoadGameNumber;
10039 cmailMsg[0] = NULLCHAR;
10040 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10041 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10042 nCmailMovesRegistered--;
10044 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10045 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10046 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10049 if (! RegisterMove()) return FALSE;
10053 retVal = LoadGame(f, gameNumber, title, useList);
10055 /* Make move registered during previous look at this game, if any */
10056 MakeRegisteredMove();
10058 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10059 commentList[currentMove]
10060 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10061 DisplayComment(currentMove - 1, commentList[currentMove]);
10067 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10072 int gameNumber = lastLoadGameNumber + offset;
10073 if (lastLoadGameFP == NULL) {
10074 DisplayError(_("No game has been loaded yet"), 0);
10077 if (gameNumber <= 0) {
10078 DisplayError(_("Can't back up any further"), 0);
10081 if (cmailMsgLoaded) {
10082 return CmailLoadGame(lastLoadGameFP, gameNumber,
10083 lastLoadGameTitle, lastLoadGameUseList);
10085 return LoadGame(lastLoadGameFP, gameNumber,
10086 lastLoadGameTitle, lastLoadGameUseList);
10092 /* Load the nth game from open file f */
10094 LoadGame(f, gameNumber, title, useList)
10102 int gn = gameNumber;
10103 ListGame *lg = NULL;
10104 int numPGNTags = 0;
10106 GameMode oldGameMode;
10107 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10109 if (appData.debugMode)
10110 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10112 if (gameMode == Training )
10113 SetTrainingModeOff();
10115 oldGameMode = gameMode;
10116 if (gameMode != BeginningOfGame) {
10117 Reset(FALSE, TRUE);
10121 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10122 fclose(lastLoadGameFP);
10126 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10129 fseek(f, lg->offset, 0);
10130 GameListHighlight(gameNumber);
10134 DisplayError(_("Game number out of range"), 0);
10139 if (fseek(f, 0, 0) == -1) {
10140 if (f == lastLoadGameFP ?
10141 gameNumber == lastLoadGameNumber + 1 :
10145 DisplayError(_("Can't seek on game file"), 0);
10150 lastLoadGameFP = f;
10151 lastLoadGameNumber = gameNumber;
10152 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10153 lastLoadGameUseList = useList;
10157 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10158 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10159 lg->gameInfo.black);
10161 } else if (*title != NULLCHAR) {
10162 if (gameNumber > 1) {
10163 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
10166 DisplayTitle(title);
10170 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10171 gameMode = PlayFromGameFile;
10175 currentMove = forwardMostMove = backwardMostMove = 0;
10176 CopyBoard(boards[0], initialPosition);
10180 * Skip the first gn-1 games in the file.
10181 * Also skip over anything that precedes an identifiable
10182 * start of game marker, to avoid being confused by
10183 * garbage at the start of the file. Currently
10184 * recognized start of game markers are the move number "1",
10185 * the pattern "gnuchess .* game", the pattern
10186 * "^[#;%] [^ ]* game file", and a PGN tag block.
10187 * A game that starts with one of the latter two patterns
10188 * will also have a move number 1, possibly
10189 * following a position diagram.
10190 * 5-4-02: Let's try being more lenient and allowing a game to
10191 * start with an unnumbered move. Does that break anything?
10193 cm = lastLoadGameStart = EndOfFile;
10195 yyboardindex = forwardMostMove;
10196 cm = (ChessMove) Myylex();
10199 if (cmailMsgLoaded) {
10200 nCmailGames = CMAIL_MAX_GAMES - gn;
10203 DisplayError(_("Game not found in file"), 0);
10210 lastLoadGameStart = cm;
10213 case MoveNumberOne:
10214 switch (lastLoadGameStart) {
10219 case MoveNumberOne:
10221 gn--; /* count this game */
10222 lastLoadGameStart = cm;
10231 switch (lastLoadGameStart) {
10234 case MoveNumberOne:
10236 gn--; /* count this game */
10237 lastLoadGameStart = cm;
10240 lastLoadGameStart = cm; /* game counted already */
10248 yyboardindex = forwardMostMove;
10249 cm = (ChessMove) Myylex();
10250 } while (cm == PGNTag || cm == Comment);
10257 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10258 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10259 != CMAIL_OLD_RESULT) {
10261 cmailResult[ CMAIL_MAX_GAMES
10262 - gn - 1] = CMAIL_OLD_RESULT;
10268 /* Only a NormalMove can be at the start of a game
10269 * without a position diagram. */
10270 if (lastLoadGameStart == EndOfFile ) {
10272 lastLoadGameStart = MoveNumberOne;
10281 if (appData.debugMode)
10282 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10284 if (cm == XBoardGame) {
10285 /* Skip any header junk before position diagram and/or move 1 */
10287 yyboardindex = forwardMostMove;
10288 cm = (ChessMove) Myylex();
10290 if (cm == EndOfFile ||
10291 cm == GNUChessGame || cm == XBoardGame) {
10292 /* Empty game; pretend end-of-file and handle later */
10297 if (cm == MoveNumberOne || cm == PositionDiagram ||
10298 cm == PGNTag || cm == Comment)
10301 } else if (cm == GNUChessGame) {
10302 if (gameInfo.event != NULL) {
10303 free(gameInfo.event);
10305 gameInfo.event = StrSave(yy_text);
10308 startedFromSetupPosition = FALSE;
10309 while (cm == PGNTag) {
10310 if (appData.debugMode)
10311 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10312 err = ParsePGNTag(yy_text, &gameInfo);
10313 if (!err) numPGNTags++;
10315 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10316 if(gameInfo.variant != oldVariant) {
10317 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10318 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10319 InitPosition(TRUE);
10320 oldVariant = gameInfo.variant;
10321 if (appData.debugMode)
10322 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10326 if (gameInfo.fen != NULL) {
10327 Board initial_position;
10328 startedFromSetupPosition = TRUE;
10329 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10331 DisplayError(_("Bad FEN position in file"), 0);
10334 CopyBoard(boards[0], initial_position);
10335 if (blackPlaysFirst) {
10336 currentMove = forwardMostMove = backwardMostMove = 1;
10337 CopyBoard(boards[1], initial_position);
10338 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10339 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10340 timeRemaining[0][1] = whiteTimeRemaining;
10341 timeRemaining[1][1] = blackTimeRemaining;
10342 if (commentList[0] != NULL) {
10343 commentList[1] = commentList[0];
10344 commentList[0] = NULL;
10347 currentMove = forwardMostMove = backwardMostMove = 0;
10349 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10351 initialRulePlies = FENrulePlies;
10352 for( i=0; i< nrCastlingRights; i++ )
10353 initialRights[i] = initial_position[CASTLING][i];
10355 yyboardindex = forwardMostMove;
10356 free(gameInfo.fen);
10357 gameInfo.fen = NULL;
10360 yyboardindex = forwardMostMove;
10361 cm = (ChessMove) Myylex();
10363 /* Handle comments interspersed among the tags */
10364 while (cm == Comment) {
10366 if (appData.debugMode)
10367 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10369 AppendComment(currentMove, p, FALSE);
10370 yyboardindex = forwardMostMove;
10371 cm = (ChessMove) Myylex();
10375 /* don't rely on existence of Event tag since if game was
10376 * pasted from clipboard the Event tag may not exist
10378 if (numPGNTags > 0){
10380 if (gameInfo.variant == VariantNormal) {
10381 VariantClass v = StringToVariant(gameInfo.event);
10382 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10383 if(v < VariantShogi) gameInfo.variant = v;
10386 if( appData.autoDisplayTags ) {
10387 tags = PGNTags(&gameInfo);
10388 TagsPopUp(tags, CmailMsg());
10393 /* Make something up, but don't display it now */
10398 if (cm == PositionDiagram) {
10401 Board initial_position;
10403 if (appData.debugMode)
10404 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10406 if (!startedFromSetupPosition) {
10408 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10409 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10419 initial_position[i][j++] = CharToPiece(*p);
10422 while (*p == ' ' || *p == '\t' ||
10423 *p == '\n' || *p == '\r') p++;
10425 if (strncmp(p, "black", strlen("black"))==0)
10426 blackPlaysFirst = TRUE;
10428 blackPlaysFirst = FALSE;
10429 startedFromSetupPosition = TRUE;
10431 CopyBoard(boards[0], initial_position);
10432 if (blackPlaysFirst) {
10433 currentMove = forwardMostMove = backwardMostMove = 1;
10434 CopyBoard(boards[1], initial_position);
10435 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10436 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10437 timeRemaining[0][1] = whiteTimeRemaining;
10438 timeRemaining[1][1] = blackTimeRemaining;
10439 if (commentList[0] != NULL) {
10440 commentList[1] = commentList[0];
10441 commentList[0] = NULL;
10444 currentMove = forwardMostMove = backwardMostMove = 0;
10447 yyboardindex = forwardMostMove;
10448 cm = (ChessMove) Myylex();
10451 if (first.pr == NoProc) {
10452 StartChessProgram(&first);
10454 InitChessProgram(&first, FALSE);
10455 SendToProgram("force\n", &first);
10456 if (startedFromSetupPosition) {
10457 SendBoard(&first, forwardMostMove);
10458 if (appData.debugMode) {
10459 fprintf(debugFP, "Load Game\n");
10461 DisplayBothClocks();
10464 /* [HGM] server: flag to write setup moves in broadcast file as one */
10465 loadFlag = appData.suppressLoadMoves;
10467 while (cm == Comment) {
10469 if (appData.debugMode)
10470 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10472 AppendComment(currentMove, p, FALSE);
10473 yyboardindex = forwardMostMove;
10474 cm = (ChessMove) Myylex();
10477 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
10478 cm == WhiteWins || cm == BlackWins ||
10479 cm == GameIsDrawn || cm == GameUnfinished) {
10480 DisplayMessage("", _("No moves in game"));
10481 if (cmailMsgLoaded) {
10482 if (appData.debugMode)
10483 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10487 DrawPosition(FALSE, boards[currentMove]);
10488 DisplayBothClocks();
10489 gameMode = EditGame;
10496 // [HGM] PV info: routine tests if comment empty
10497 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10498 DisplayComment(currentMove - 1, commentList[currentMove]);
10500 if (!matchMode && appData.timeDelay != 0)
10501 DrawPosition(FALSE, boards[currentMove]);
10503 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10504 programStats.ok_to_send = 1;
10507 /* if the first token after the PGN tags is a move
10508 * and not move number 1, retrieve it from the parser
10510 if (cm != MoveNumberOne)
10511 LoadGameOneMove(cm);
10513 /* load the remaining moves from the file */
10514 while (LoadGameOneMove(EndOfFile)) {
10515 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10516 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10519 /* rewind to the start of the game */
10520 currentMove = backwardMostMove;
10522 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10524 if (oldGameMode == AnalyzeFile ||
10525 oldGameMode == AnalyzeMode) {
10526 AnalyzeFileEvent();
10529 if (matchMode || appData.timeDelay == 0) {
10531 gameMode = EditGame;
10533 } else if (appData.timeDelay > 0) {
10534 AutoPlayGameLoop();
10537 if (appData.debugMode)
10538 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10540 loadFlag = 0; /* [HGM] true game starts */
10544 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10546 ReloadPosition(offset)
10549 int positionNumber = lastLoadPositionNumber + offset;
10550 if (lastLoadPositionFP == NULL) {
10551 DisplayError(_("No position has been loaded yet"), 0);
10554 if (positionNumber <= 0) {
10555 DisplayError(_("Can't back up any further"), 0);
10558 return LoadPosition(lastLoadPositionFP, positionNumber,
10559 lastLoadPositionTitle);
10562 /* Load the nth position from the given file */
10564 LoadPositionFromFile(filename, n, title)
10572 if (strcmp(filename, "-") == 0) {
10573 return LoadPosition(stdin, n, "stdin");
10575 f = fopen(filename, "rb");
10577 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10578 DisplayError(buf, errno);
10581 return LoadPosition(f, n, title);
10586 /* Load the nth position from the given open file, and close it */
10588 LoadPosition(f, positionNumber, title)
10590 int positionNumber;
10593 char *p, line[MSG_SIZ];
10594 Board initial_position;
10595 int i, j, fenMode, pn;
10597 if (gameMode == Training )
10598 SetTrainingModeOff();
10600 if (gameMode != BeginningOfGame) {
10601 Reset(FALSE, TRUE);
10603 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10604 fclose(lastLoadPositionFP);
10606 if (positionNumber == 0) positionNumber = 1;
10607 lastLoadPositionFP = f;
10608 lastLoadPositionNumber = positionNumber;
10609 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
10610 if (first.pr == NoProc) {
10611 StartChessProgram(&first);
10612 InitChessProgram(&first, FALSE);
10614 pn = positionNumber;
10615 if (positionNumber < 0) {
10616 /* Negative position number means to seek to that byte offset */
10617 if (fseek(f, -positionNumber, 0) == -1) {
10618 DisplayError(_("Can't seek on position file"), 0);
10623 if (fseek(f, 0, 0) == -1) {
10624 if (f == lastLoadPositionFP ?
10625 positionNumber == lastLoadPositionNumber + 1 :
10626 positionNumber == 1) {
10629 DisplayError(_("Can't seek on position file"), 0);
10634 /* See if this file is FEN or old-style xboard */
10635 if (fgets(line, MSG_SIZ, f) == NULL) {
10636 DisplayError(_("Position not found in file"), 0);
10639 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10640 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10643 if (fenMode || line[0] == '#') pn--;
10645 /* skip positions before number pn */
10646 if (fgets(line, MSG_SIZ, f) == NULL) {
10648 DisplayError(_("Position not found in file"), 0);
10651 if (fenMode || line[0] == '#') pn--;
10656 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10657 DisplayError(_("Bad FEN position in file"), 0);
10661 (void) fgets(line, MSG_SIZ, f);
10662 (void) fgets(line, MSG_SIZ, f);
10664 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10665 (void) fgets(line, MSG_SIZ, f);
10666 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10669 initial_position[i][j++] = CharToPiece(*p);
10673 blackPlaysFirst = FALSE;
10675 (void) fgets(line, MSG_SIZ, f);
10676 if (strncmp(line, "black", strlen("black"))==0)
10677 blackPlaysFirst = TRUE;
10680 startedFromSetupPosition = TRUE;
10682 SendToProgram("force\n", &first);
10683 CopyBoard(boards[0], initial_position);
10684 if (blackPlaysFirst) {
10685 currentMove = forwardMostMove = backwardMostMove = 1;
10686 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10687 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10688 CopyBoard(boards[1], initial_position);
10689 DisplayMessage("", _("Black to play"));
10691 currentMove = forwardMostMove = backwardMostMove = 0;
10692 DisplayMessage("", _("White to play"));
10694 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10695 SendBoard(&first, forwardMostMove);
10696 if (appData.debugMode) {
10698 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10699 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10700 fprintf(debugFP, "Load Position\n");
10703 if (positionNumber > 1) {
10704 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
10705 DisplayTitle(line);
10707 DisplayTitle(title);
10709 gameMode = EditGame;
10712 timeRemaining[0][1] = whiteTimeRemaining;
10713 timeRemaining[1][1] = blackTimeRemaining;
10714 DrawPosition(FALSE, boards[currentMove]);
10721 CopyPlayerNameIntoFileName(dest, src)
10724 while (*src != NULLCHAR && *src != ',') {
10729 *(*dest)++ = *src++;
10734 char *DefaultFileName(ext)
10737 static char def[MSG_SIZ];
10740 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10742 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10744 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10746 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
10753 /* Save the current game to the given file */
10755 SaveGameToFile(filename, append)
10762 if (strcmp(filename, "-") == 0) {
10763 return SaveGame(stdout, 0, NULL);
10765 f = fopen(filename, append ? "a" : "w");
10767 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10768 DisplayError(buf, errno);
10771 return SaveGame(f, 0, NULL);
10780 static char buf[MSG_SIZ];
10783 p = strchr(str, ' ');
10784 if (p == NULL) return str;
10785 strncpy(buf, str, p - str);
10786 buf[p - str] = NULLCHAR;
10790 #define PGN_MAX_LINE 75
10792 #define PGN_SIDE_WHITE 0
10793 #define PGN_SIDE_BLACK 1
10796 static int FindFirstMoveOutOfBook( int side )
10800 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10801 int index = backwardMostMove;
10802 int has_book_hit = 0;
10804 if( (index % 2) != side ) {
10808 while( index < forwardMostMove ) {
10809 /* Check to see if engine is in book */
10810 int depth = pvInfoList[index].depth;
10811 int score = pvInfoList[index].score;
10817 else if( score == 0 && depth == 63 ) {
10818 in_book = 1; /* Zappa */
10820 else if( score == 2 && depth == 99 ) {
10821 in_book = 1; /* Abrok */
10824 has_book_hit += in_book;
10840 void GetOutOfBookInfo( char * buf )
10844 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10846 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10847 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10851 if( oob[0] >= 0 || oob[1] >= 0 ) {
10852 for( i=0; i<2; i++ ) {
10856 if( i > 0 && oob[0] >= 0 ) {
10857 strcat( buf, " " );
10860 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10861 sprintf( buf+strlen(buf), "%s%.2f",
10862 pvInfoList[idx].score >= 0 ? "+" : "",
10863 pvInfoList[idx].score / 100.0 );
10869 /* Save game in PGN style and close the file */
10874 int i, offset, linelen, newblock;
10878 int movelen, numlen, blank;
10879 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10881 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10883 tm = time((time_t *) NULL);
10885 PrintPGNTags(f, &gameInfo);
10887 if (backwardMostMove > 0 || startedFromSetupPosition) {
10888 char *fen = PositionToFEN(backwardMostMove, NULL);
10889 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10890 fprintf(f, "\n{--------------\n");
10891 PrintPosition(f, backwardMostMove);
10892 fprintf(f, "--------------}\n");
10896 /* [AS] Out of book annotation */
10897 if( appData.saveOutOfBookInfo ) {
10900 GetOutOfBookInfo( buf );
10902 if( buf[0] != '\0' ) {
10903 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10910 i = backwardMostMove;
10914 while (i < forwardMostMove) {
10915 /* Print comments preceding this move */
10916 if (commentList[i] != NULL) {
10917 if (linelen > 0) fprintf(f, "\n");
10918 fprintf(f, "%s", commentList[i]);
10923 /* Format move number */
10925 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
10928 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
10930 numtext[0] = NULLCHAR;
10932 numlen = strlen(numtext);
10935 /* Print move number */
10936 blank = linelen > 0 && numlen > 0;
10937 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10946 fprintf(f, "%s", numtext);
10950 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
10951 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10954 blank = linelen > 0 && movelen > 0;
10955 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10964 fprintf(f, "%s", move_buffer);
10965 linelen += movelen;
10967 /* [AS] Add PV info if present */
10968 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10969 /* [HGM] add time */
10970 char buf[MSG_SIZ]; int seconds;
10972 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10978 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
10981 seconds = (seconds + 4)/10; // round to full seconds
10983 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
10985 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
10988 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
10989 pvInfoList[i].score >= 0 ? "+" : "",
10990 pvInfoList[i].score / 100.0,
10991 pvInfoList[i].depth,
10994 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10996 /* Print score/depth */
10997 blank = linelen > 0 && movelen > 0;
10998 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11007 fprintf(f, "%s", move_buffer);
11008 linelen += movelen;
11014 /* Start a new line */
11015 if (linelen > 0) fprintf(f, "\n");
11017 /* Print comments after last move */
11018 if (commentList[i] != NULL) {
11019 fprintf(f, "%s\n", commentList[i]);
11023 if (gameInfo.resultDetails != NULL &&
11024 gameInfo.resultDetails[0] != NULLCHAR) {
11025 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
11026 PGNResult(gameInfo.result));
11028 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11032 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11036 /* Save game in old style and close the file */
11038 SaveGameOldStyle(f)
11044 tm = time((time_t *) NULL);
11046 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11049 if (backwardMostMove > 0 || startedFromSetupPosition) {
11050 fprintf(f, "\n[--------------\n");
11051 PrintPosition(f, backwardMostMove);
11052 fprintf(f, "--------------]\n");
11057 i = backwardMostMove;
11058 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11060 while (i < forwardMostMove) {
11061 if (commentList[i] != NULL) {
11062 fprintf(f, "[%s]\n", commentList[i]);
11065 if ((i % 2) == 1) {
11066 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11069 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11071 if (commentList[i] != NULL) {
11075 if (i >= forwardMostMove) {
11079 fprintf(f, "%s\n", parseList[i]);
11084 if (commentList[i] != NULL) {
11085 fprintf(f, "[%s]\n", commentList[i]);
11088 /* This isn't really the old style, but it's close enough */
11089 if (gameInfo.resultDetails != NULL &&
11090 gameInfo.resultDetails[0] != NULLCHAR) {
11091 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11092 gameInfo.resultDetails);
11094 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11101 /* Save the current game to open file f and close the file */
11103 SaveGame(f, dummy, dummy2)
11108 if (gameMode == EditPosition) EditPositionDone(TRUE);
11109 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11110 if (appData.oldSaveStyle)
11111 return SaveGameOldStyle(f);
11113 return SaveGamePGN(f);
11116 /* Save the current position to the given file */
11118 SavePositionToFile(filename)
11124 if (strcmp(filename, "-") == 0) {
11125 return SavePosition(stdout, 0, NULL);
11127 f = fopen(filename, "a");
11129 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11130 DisplayError(buf, errno);
11133 SavePosition(f, 0, NULL);
11139 /* Save the current position to the given open file and close the file */
11141 SavePosition(f, dummy, dummy2)
11149 if (gameMode == EditPosition) EditPositionDone(TRUE);
11150 if (appData.oldSaveStyle) {
11151 tm = time((time_t *) NULL);
11153 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11155 fprintf(f, "[--------------\n");
11156 PrintPosition(f, currentMove);
11157 fprintf(f, "--------------]\n");
11159 fen = PositionToFEN(currentMove, NULL);
11160 fprintf(f, "%s\n", fen);
11168 ReloadCmailMsgEvent(unregister)
11172 static char *inFilename = NULL;
11173 static char *outFilename;
11175 struct stat inbuf, outbuf;
11178 /* Any registered moves are unregistered if unregister is set, */
11179 /* i.e. invoked by the signal handler */
11181 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11182 cmailMoveRegistered[i] = FALSE;
11183 if (cmailCommentList[i] != NULL) {
11184 free(cmailCommentList[i]);
11185 cmailCommentList[i] = NULL;
11188 nCmailMovesRegistered = 0;
11191 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11192 cmailResult[i] = CMAIL_NOT_RESULT;
11196 if (inFilename == NULL) {
11197 /* Because the filenames are static they only get malloced once */
11198 /* and they never get freed */
11199 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11200 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11202 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11203 sprintf(outFilename, "%s.out", appData.cmailGameName);
11206 status = stat(outFilename, &outbuf);
11208 cmailMailedMove = FALSE;
11210 status = stat(inFilename, &inbuf);
11211 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11214 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11215 counts the games, notes how each one terminated, etc.
11217 It would be nice to remove this kludge and instead gather all
11218 the information while building the game list. (And to keep it
11219 in the game list nodes instead of having a bunch of fixed-size
11220 parallel arrays.) Note this will require getting each game's
11221 termination from the PGN tags, as the game list builder does
11222 not process the game moves. --mann
11224 cmailMsgLoaded = TRUE;
11225 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11227 /* Load first game in the file or popup game menu */
11228 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11230 #endif /* !WIN32 */
11238 char string[MSG_SIZ];
11240 if ( cmailMailedMove
11241 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11242 return TRUE; /* Allow free viewing */
11245 /* Unregister move to ensure that we don't leave RegisterMove */
11246 /* with the move registered when the conditions for registering no */
11248 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11249 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11250 nCmailMovesRegistered --;
11252 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11254 free(cmailCommentList[lastLoadGameNumber - 1]);
11255 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11259 if (cmailOldMove == -1) {
11260 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11264 if (currentMove > cmailOldMove + 1) {
11265 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11269 if (currentMove < cmailOldMove) {
11270 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11274 if (forwardMostMove > currentMove) {
11275 /* Silently truncate extra moves */
11279 if ( (currentMove == cmailOldMove + 1)
11280 || ( (currentMove == cmailOldMove)
11281 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11282 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11283 if (gameInfo.result != GameUnfinished) {
11284 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11287 if (commentList[currentMove] != NULL) {
11288 cmailCommentList[lastLoadGameNumber - 1]
11289 = StrSave(commentList[currentMove]);
11291 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
11293 if (appData.debugMode)
11294 fprintf(debugFP, "Saving %s for game %d\n",
11295 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11297 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11299 f = fopen(string, "w");
11300 if (appData.oldSaveStyle) {
11301 SaveGameOldStyle(f); /* also closes the file */
11303 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
11304 f = fopen(string, "w");
11305 SavePosition(f, 0, NULL); /* also closes the file */
11307 fprintf(f, "{--------------\n");
11308 PrintPosition(f, currentMove);
11309 fprintf(f, "--------------}\n\n");
11311 SaveGame(f, 0, NULL); /* also closes the file*/
11314 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11315 nCmailMovesRegistered ++;
11316 } else if (nCmailGames == 1) {
11317 DisplayError(_("You have not made a move yet"), 0);
11328 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11329 FILE *commandOutput;
11330 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11331 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11337 if (! cmailMsgLoaded) {
11338 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11342 if (nCmailGames == nCmailResults) {
11343 DisplayError(_("No unfinished games"), 0);
11347 #if CMAIL_PROHIBIT_REMAIL
11348 if (cmailMailedMove) {
11349 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);
11350 DisplayError(msg, 0);
11355 if (! (cmailMailedMove || RegisterMove())) return;
11357 if ( cmailMailedMove
11358 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11359 snprintf(string, MSG_SIZ, partCommandString,
11360 appData.debugMode ? " -v" : "", appData.cmailGameName);
11361 commandOutput = popen(string, "r");
11363 if (commandOutput == NULL) {
11364 DisplayError(_("Failed to invoke cmail"), 0);
11366 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11367 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11369 if (nBuffers > 1) {
11370 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11371 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11372 nBytes = MSG_SIZ - 1;
11374 (void) memcpy(msg, buffer, nBytes);
11376 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11378 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11379 cmailMailedMove = TRUE; /* Prevent >1 moves */
11382 for (i = 0; i < nCmailGames; i ++) {
11383 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11388 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11390 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
11392 appData.cmailGameName,
11394 LoadGameFromFile(buffer, 1, buffer, FALSE);
11395 cmailMsgLoaded = FALSE;
11399 DisplayInformation(msg);
11400 pclose(commandOutput);
11403 if ((*cmailMsg) != '\0') {
11404 DisplayInformation(cmailMsg);
11409 #endif /* !WIN32 */
11418 int prependComma = 0;
11420 char string[MSG_SIZ]; /* Space for game-list */
11423 if (!cmailMsgLoaded) return "";
11425 if (cmailMailedMove) {
11426 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
11428 /* Create a list of games left */
11429 snprintf(string, MSG_SIZ, "[");
11430 for (i = 0; i < nCmailGames; i ++) {
11431 if (! ( cmailMoveRegistered[i]
11432 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11433 if (prependComma) {
11434 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
11436 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
11440 strcat(string, number);
11443 strcat(string, "]");
11445 if (nCmailMovesRegistered + nCmailResults == 0) {
11446 switch (nCmailGames) {
11448 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
11452 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
11456 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
11461 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11463 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
11468 if (nCmailResults == nCmailGames) {
11469 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
11471 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
11476 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
11488 if (gameMode == Training)
11489 SetTrainingModeOff();
11492 cmailMsgLoaded = FALSE;
11493 if (appData.icsActive) {
11494 SendToICS(ics_prefix);
11495 SendToICS("refresh\n");
11505 /* Give up on clean exit */
11509 /* Keep trying for clean exit */
11513 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11515 if (telnetISR != NULL) {
11516 RemoveInputSource(telnetISR);
11518 if (icsPR != NoProc) {
11519 DestroyChildProcess(icsPR, TRUE);
11522 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11523 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11525 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11526 /* make sure this other one finishes before killing it! */
11527 if(endingGame) { int count = 0;
11528 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11529 while(endingGame && count++ < 10) DoSleep(1);
11530 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11533 /* Kill off chess programs */
11534 if (first.pr != NoProc) {
11537 DoSleep( appData.delayBeforeQuit );
11538 SendToProgram("quit\n", &first);
11539 DoSleep( appData.delayAfterQuit );
11540 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11542 if (second.pr != NoProc) {
11543 DoSleep( appData.delayBeforeQuit );
11544 SendToProgram("quit\n", &second);
11545 DoSleep( appData.delayAfterQuit );
11546 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11548 if (first.isr != NULL) {
11549 RemoveInputSource(first.isr);
11551 if (second.isr != NULL) {
11552 RemoveInputSource(second.isr);
11555 ShutDownFrontEnd();
11562 if (appData.debugMode)
11563 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11567 if (gameMode == MachinePlaysWhite ||
11568 gameMode == MachinePlaysBlack) {
11571 DisplayBothClocks();
11573 if (gameMode == PlayFromGameFile) {
11574 if (appData.timeDelay >= 0)
11575 AutoPlayGameLoop();
11576 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11577 Reset(FALSE, TRUE);
11578 SendToICS(ics_prefix);
11579 SendToICS("refresh\n");
11580 } else if (currentMove < forwardMostMove) {
11581 ForwardInner(forwardMostMove);
11583 pauseExamInvalid = FALSE;
11585 switch (gameMode) {
11589 pauseExamForwardMostMove = forwardMostMove;
11590 pauseExamInvalid = FALSE;
11593 case IcsPlayingWhite:
11594 case IcsPlayingBlack:
11598 case PlayFromGameFile:
11599 (void) StopLoadGameTimer();
11603 case BeginningOfGame:
11604 if (appData.icsActive) return;
11605 /* else fall through */
11606 case MachinePlaysWhite:
11607 case MachinePlaysBlack:
11608 case TwoMachinesPlay:
11609 if (forwardMostMove == 0)
11610 return; /* don't pause if no one has moved */
11611 if ((gameMode == MachinePlaysWhite &&
11612 !WhiteOnMove(forwardMostMove)) ||
11613 (gameMode == MachinePlaysBlack &&
11614 WhiteOnMove(forwardMostMove))) {
11627 char title[MSG_SIZ];
11629 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11630 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
11632 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11633 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11634 parseList[currentMove - 1]);
11637 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11644 char *tags = PGNTags(&gameInfo);
11645 EditTagsPopUp(tags);
11652 if (appData.noChessProgram || gameMode == AnalyzeMode)
11655 if (gameMode != AnalyzeFile) {
11656 if (!appData.icsEngineAnalyze) {
11658 if (gameMode != EditGame) return;
11660 ResurrectChessProgram();
11661 SendToProgram("analyze\n", &first);
11662 first.analyzing = TRUE;
11663 /*first.maybeThinking = TRUE;*/
11664 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11665 EngineOutputPopUp();
11667 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11672 StartAnalysisClock();
11673 GetTimeMark(&lastNodeCountTime);
11680 if (appData.noChessProgram || gameMode == AnalyzeFile)
11683 if (gameMode != AnalyzeMode) {
11685 if (gameMode != EditGame) return;
11686 ResurrectChessProgram();
11687 SendToProgram("analyze\n", &first);
11688 first.analyzing = TRUE;
11689 /*first.maybeThinking = TRUE;*/
11690 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11691 EngineOutputPopUp();
11693 gameMode = AnalyzeFile;
11698 StartAnalysisClock();
11699 GetTimeMark(&lastNodeCountTime);
11704 MachineWhiteEvent()
11707 char *bookHit = NULL;
11709 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11713 if (gameMode == PlayFromGameFile ||
11714 gameMode == TwoMachinesPlay ||
11715 gameMode == Training ||
11716 gameMode == AnalyzeMode ||
11717 gameMode == EndOfGame)
11720 if (gameMode == EditPosition)
11721 EditPositionDone(TRUE);
11723 if (!WhiteOnMove(currentMove)) {
11724 DisplayError(_("It is not White's turn"), 0);
11728 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11731 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11732 gameMode == AnalyzeFile)
11735 ResurrectChessProgram(); /* in case it isn't running */
11736 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11737 gameMode = MachinePlaysWhite;
11740 gameMode = MachinePlaysWhite;
11744 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11746 if (first.sendName) {
11747 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
11748 SendToProgram(buf, &first);
11750 if (first.sendTime) {
11751 if (first.useColors) {
11752 SendToProgram("black\n", &first); /*gnu kludge*/
11754 SendTimeRemaining(&first, TRUE);
11756 if (first.useColors) {
11757 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11759 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11760 SetMachineThinkingEnables();
11761 first.maybeThinking = TRUE;
11765 if (appData.autoFlipView && !flipView) {
11766 flipView = !flipView;
11767 DrawPosition(FALSE, NULL);
11768 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11771 if(bookHit) { // [HGM] book: simulate book reply
11772 static char bookMove[MSG_SIZ]; // a bit generous?
11774 programStats.nodes = programStats.depth = programStats.time =
11775 programStats.score = programStats.got_only_move = 0;
11776 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11778 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11779 strcat(bookMove, bookHit);
11780 HandleMachineMove(bookMove, &first);
11785 MachineBlackEvent()
11788 char *bookHit = NULL;
11790 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11794 if (gameMode == PlayFromGameFile ||
11795 gameMode == TwoMachinesPlay ||
11796 gameMode == Training ||
11797 gameMode == AnalyzeMode ||
11798 gameMode == EndOfGame)
11801 if (gameMode == EditPosition)
11802 EditPositionDone(TRUE);
11804 if (WhiteOnMove(currentMove)) {
11805 DisplayError(_("It is not Black's turn"), 0);
11809 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11812 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11813 gameMode == AnalyzeFile)
11816 ResurrectChessProgram(); /* in case it isn't running */
11817 gameMode = MachinePlaysBlack;
11821 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11823 if (first.sendName) {
11824 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
11825 SendToProgram(buf, &first);
11827 if (first.sendTime) {
11828 if (first.useColors) {
11829 SendToProgram("white\n", &first); /*gnu kludge*/
11831 SendTimeRemaining(&first, FALSE);
11833 if (first.useColors) {
11834 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11836 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11837 SetMachineThinkingEnables();
11838 first.maybeThinking = TRUE;
11841 if (appData.autoFlipView && flipView) {
11842 flipView = !flipView;
11843 DrawPosition(FALSE, NULL);
11844 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11846 if(bookHit) { // [HGM] book: simulate book reply
11847 static char bookMove[MSG_SIZ]; // a bit generous?
11849 programStats.nodes = programStats.depth = programStats.time =
11850 programStats.score = programStats.got_only_move = 0;
11851 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11853 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11854 strcat(bookMove, bookHit);
11855 HandleMachineMove(bookMove, &first);
11861 DisplayTwoMachinesTitle()
11864 if (appData.matchGames > 0) {
11865 if (first.twoMachinesColor[0] == 'w') {
11866 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11867 gameInfo.white, gameInfo.black,
11868 first.matchWins, second.matchWins,
11869 matchGame - 1 - (first.matchWins + second.matchWins));
11871 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11872 gameInfo.white, gameInfo.black,
11873 second.matchWins, first.matchWins,
11874 matchGame - 1 - (first.matchWins + second.matchWins));
11877 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11883 SettingsMenuIfReady()
11885 if (second.lastPing != second.lastPong) {
11886 DisplayMessage("", _("Waiting for second chess program"));
11887 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
11891 DisplayMessage("", "");
11892 SettingsPopUp(&second);
11896 WaitForSecond(DelayedEventCallback retry)
11898 if (second.pr == NULL) {
11899 StartChessProgram(&second);
11900 if (second.protocolVersion == 1) {
11903 /* kludge: allow timeout for initial "feature" command */
11905 DisplayMessage("", _("Starting second chess program"));
11906 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
11914 TwoMachinesEvent P((void))
11918 ChessProgramState *onmove;
11919 char *bookHit = NULL;
11921 if (appData.noChessProgram) return;
11923 switch (gameMode) {
11924 case TwoMachinesPlay:
11926 case MachinePlaysWhite:
11927 case MachinePlaysBlack:
11928 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11929 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11933 case BeginningOfGame:
11934 case PlayFromGameFile:
11937 if (gameMode != EditGame) return;
11940 EditPositionDone(TRUE);
11951 // forwardMostMove = currentMove;
11952 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11953 ResurrectChessProgram(); /* in case first program isn't running */
11955 if(WaitForSecond(TwoMachinesEventIfReady)) return;
11956 DisplayMessage("", "");
11957 InitChessProgram(&second, FALSE);
11958 SendToProgram("force\n", &second);
11959 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
11960 ScheduleDelayedEvent(TwoMachinesEvent, 10);
11963 if (startedFromSetupPosition) {
11964 SendBoard(&second, backwardMostMove);
11965 if (appData.debugMode) {
11966 fprintf(debugFP, "Two Machines\n");
11969 for (i = backwardMostMove; i < forwardMostMove; i++) {
11970 SendMoveToProgram(i, &second);
11973 gameMode = TwoMachinesPlay;
11977 DisplayTwoMachinesTitle();
11979 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11985 SendToProgram(first.computerString, &first);
11986 if (first.sendName) {
11987 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
11988 SendToProgram(buf, &first);
11990 SendToProgram(second.computerString, &second);
11991 if (second.sendName) {
11992 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
11993 SendToProgram(buf, &second);
11997 if (!first.sendTime || !second.sendTime) {
11998 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11999 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12001 if (onmove->sendTime) {
12002 if (onmove->useColors) {
12003 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
12005 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
12007 if (onmove->useColors) {
12008 SendToProgram(onmove->twoMachinesColor, onmove);
12010 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
12011 // SendToProgram("go\n", onmove);
12012 onmove->maybeThinking = TRUE;
12013 SetMachineThinkingEnables();
12017 if(bookHit) { // [HGM] book: simulate book reply
12018 static char bookMove[MSG_SIZ]; // a bit generous?
12020 programStats.nodes = programStats.depth = programStats.time =
12021 programStats.score = programStats.got_only_move = 0;
12022 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12024 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12025 strcat(bookMove, bookHit);
12026 savedMessage = bookMove; // args for deferred call
12027 savedState = onmove;
12028 ScheduleDelayedEvent(DeferredBookMove, 1);
12035 if (gameMode == Training) {
12036 SetTrainingModeOff();
12037 gameMode = PlayFromGameFile;
12038 DisplayMessage("", _("Training mode off"));
12040 gameMode = Training;
12041 animateTraining = appData.animate;
12043 /* make sure we are not already at the end of the game */
12044 if (currentMove < forwardMostMove) {
12045 SetTrainingModeOn();
12046 DisplayMessage("", _("Training mode on"));
12048 gameMode = PlayFromGameFile;
12049 DisplayError(_("Already at end of game"), 0);
12058 if (!appData.icsActive) return;
12059 switch (gameMode) {
12060 case IcsPlayingWhite:
12061 case IcsPlayingBlack:
12064 case BeginningOfGame:
12072 EditPositionDone(TRUE);
12085 gameMode = IcsIdle;
12096 switch (gameMode) {
12098 SetTrainingModeOff();
12100 case MachinePlaysWhite:
12101 case MachinePlaysBlack:
12102 case BeginningOfGame:
12103 SendToProgram("force\n", &first);
12104 SetUserThinkingEnables();
12106 case PlayFromGameFile:
12107 (void) StopLoadGameTimer();
12108 if (gameFileFP != NULL) {
12113 EditPositionDone(TRUE);
12118 SendToProgram("force\n", &first);
12120 case TwoMachinesPlay:
12121 GameEnds(EndOfFile, NULL, GE_PLAYER);
12122 ResurrectChessProgram();
12123 SetUserThinkingEnables();
12126 ResurrectChessProgram();
12128 case IcsPlayingBlack:
12129 case IcsPlayingWhite:
12130 DisplayError(_("Warning: You are still playing a game"), 0);
12133 DisplayError(_("Warning: You are still observing a game"), 0);
12136 DisplayError(_("Warning: You are still examining a game"), 0);
12147 first.offeredDraw = second.offeredDraw = 0;
12149 if (gameMode == PlayFromGameFile) {
12150 whiteTimeRemaining = timeRemaining[0][currentMove];
12151 blackTimeRemaining = timeRemaining[1][currentMove];
12155 if (gameMode == MachinePlaysWhite ||
12156 gameMode == MachinePlaysBlack ||
12157 gameMode == TwoMachinesPlay ||
12158 gameMode == EndOfGame) {
12159 i = forwardMostMove;
12160 while (i > currentMove) {
12161 SendToProgram("undo\n", &first);
12164 whiteTimeRemaining = timeRemaining[0][currentMove];
12165 blackTimeRemaining = timeRemaining[1][currentMove];
12166 DisplayBothClocks();
12167 if (whiteFlag || blackFlag) {
12168 whiteFlag = blackFlag = 0;
12173 gameMode = EditGame;
12180 EditPositionEvent()
12182 if (gameMode == EditPosition) {
12188 if (gameMode != EditGame) return;
12190 gameMode = EditPosition;
12193 if (currentMove > 0)
12194 CopyBoard(boards[0], boards[currentMove]);
12196 blackPlaysFirst = !WhiteOnMove(currentMove);
12198 currentMove = forwardMostMove = backwardMostMove = 0;
12199 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12206 /* [DM] icsEngineAnalyze - possible call from other functions */
12207 if (appData.icsEngineAnalyze) {
12208 appData.icsEngineAnalyze = FALSE;
12210 DisplayMessage("",_("Close ICS engine analyze..."));
12212 if (first.analysisSupport && first.analyzing) {
12213 SendToProgram("exit\n", &first);
12214 first.analyzing = FALSE;
12216 thinkOutput[0] = NULLCHAR;
12220 EditPositionDone(Boolean fakeRights)
12222 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12224 startedFromSetupPosition = TRUE;
12225 InitChessProgram(&first, FALSE);
12226 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12227 boards[0][EP_STATUS] = EP_NONE;
12228 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12229 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12230 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12231 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12232 } else boards[0][CASTLING][2] = NoRights;
12233 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12234 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12235 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12236 } else boards[0][CASTLING][5] = NoRights;
12238 SendToProgram("force\n", &first);
12239 if (blackPlaysFirst) {
12240 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12241 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12242 currentMove = forwardMostMove = backwardMostMove = 1;
12243 CopyBoard(boards[1], boards[0]);
12245 currentMove = forwardMostMove = backwardMostMove = 0;
12247 SendBoard(&first, forwardMostMove);
12248 if (appData.debugMode) {
12249 fprintf(debugFP, "EditPosDone\n");
12252 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12253 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12254 gameMode = EditGame;
12256 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12257 ClearHighlights(); /* [AS] */
12260 /* Pause for `ms' milliseconds */
12261 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12271 } while (SubtractTimeMarks(&m2, &m1) < ms);
12274 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12276 SendMultiLineToICS(buf)
12279 char temp[MSG_SIZ+1], *p;
12286 strncpy(temp, buf, len);
12291 if (*p == '\n' || *p == '\r')
12296 strcat(temp, "\n");
12298 SendToPlayer(temp, strlen(temp));
12302 SetWhiteToPlayEvent()
12304 if (gameMode == EditPosition) {
12305 blackPlaysFirst = FALSE;
12306 DisplayBothClocks(); /* works because currentMove is 0 */
12307 } else if (gameMode == IcsExamining) {
12308 SendToICS(ics_prefix);
12309 SendToICS("tomove white\n");
12314 SetBlackToPlayEvent()
12316 if (gameMode == EditPosition) {
12317 blackPlaysFirst = TRUE;
12318 currentMove = 1; /* kludge */
12319 DisplayBothClocks();
12321 } else if (gameMode == IcsExamining) {
12322 SendToICS(ics_prefix);
12323 SendToICS("tomove black\n");
12328 EditPositionMenuEvent(selection, x, y)
12329 ChessSquare selection;
12333 ChessSquare piece = boards[0][y][x];
12335 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12337 switch (selection) {
12339 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12340 SendToICS(ics_prefix);
12341 SendToICS("bsetup clear\n");
12342 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12343 SendToICS(ics_prefix);
12344 SendToICS("clearboard\n");
12346 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12347 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12348 for (y = 0; y < BOARD_HEIGHT; y++) {
12349 if (gameMode == IcsExamining) {
12350 if (boards[currentMove][y][x] != EmptySquare) {
12351 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
12356 boards[0][y][x] = p;
12361 if (gameMode == EditPosition) {
12362 DrawPosition(FALSE, boards[0]);
12367 SetWhiteToPlayEvent();
12371 SetBlackToPlayEvent();
12375 if (gameMode == IcsExamining) {
12376 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12377 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12380 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12381 if(x == BOARD_LEFT-2) {
12382 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12383 boards[0][y][1] = 0;
12385 if(x == BOARD_RGHT+1) {
12386 if(y >= gameInfo.holdingsSize) break;
12387 boards[0][y][BOARD_WIDTH-2] = 0;
12390 boards[0][y][x] = EmptySquare;
12391 DrawPosition(FALSE, boards[0]);
12396 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12397 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12398 selection = (ChessSquare) (PROMOTED piece);
12399 } else if(piece == EmptySquare) selection = WhiteSilver;
12400 else selection = (ChessSquare)((int)piece - 1);
12404 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12405 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12406 selection = (ChessSquare) (DEMOTED piece);
12407 } else if(piece == EmptySquare) selection = BlackSilver;
12408 else selection = (ChessSquare)((int)piece + 1);
12413 if(gameInfo.variant == VariantShatranj ||
12414 gameInfo.variant == VariantXiangqi ||
12415 gameInfo.variant == VariantCourier ||
12416 gameInfo.variant == VariantMakruk )
12417 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12422 if(gameInfo.variant == VariantXiangqi)
12423 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12424 if(gameInfo.variant == VariantKnightmate)
12425 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12428 if (gameMode == IcsExamining) {
12429 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12430 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
12431 PieceToChar(selection), AAA + x, ONE + y);
12434 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12436 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12437 n = PieceToNumber(selection - BlackPawn);
12438 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12439 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12440 boards[0][BOARD_HEIGHT-1-n][1]++;
12442 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12443 n = PieceToNumber(selection);
12444 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12445 boards[0][n][BOARD_WIDTH-1] = selection;
12446 boards[0][n][BOARD_WIDTH-2]++;
12449 boards[0][y][x] = selection;
12450 DrawPosition(TRUE, boards[0]);
12458 DropMenuEvent(selection, x, y)
12459 ChessSquare selection;
12462 ChessMove moveType;
12464 switch (gameMode) {
12465 case IcsPlayingWhite:
12466 case MachinePlaysBlack:
12467 if (!WhiteOnMove(currentMove)) {
12468 DisplayMoveError(_("It is Black's turn"));
12471 moveType = WhiteDrop;
12473 case IcsPlayingBlack:
12474 case MachinePlaysWhite:
12475 if (WhiteOnMove(currentMove)) {
12476 DisplayMoveError(_("It is White's turn"));
12479 moveType = BlackDrop;
12482 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12488 if (moveType == BlackDrop && selection < BlackPawn) {
12489 selection = (ChessSquare) ((int) selection
12490 + (int) BlackPawn - (int) WhitePawn);
12492 if (boards[currentMove][y][x] != EmptySquare) {
12493 DisplayMoveError(_("That square is occupied"));
12497 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12503 /* Accept a pending offer of any kind from opponent */
12505 if (appData.icsActive) {
12506 SendToICS(ics_prefix);
12507 SendToICS("accept\n");
12508 } else if (cmailMsgLoaded) {
12509 if (currentMove == cmailOldMove &&
12510 commentList[cmailOldMove] != NULL &&
12511 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12512 "Black offers a draw" : "White offers a draw")) {
12514 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12515 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12517 DisplayError(_("There is no pending offer on this move"), 0);
12518 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12521 /* Not used for offers from chess program */
12528 /* Decline a pending offer of any kind from opponent */
12530 if (appData.icsActive) {
12531 SendToICS(ics_prefix);
12532 SendToICS("decline\n");
12533 } else if (cmailMsgLoaded) {
12534 if (currentMove == cmailOldMove &&
12535 commentList[cmailOldMove] != NULL &&
12536 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12537 "Black offers a draw" : "White offers a draw")) {
12539 AppendComment(cmailOldMove, "Draw declined", TRUE);
12540 DisplayComment(cmailOldMove - 1, "Draw declined");
12543 DisplayError(_("There is no pending offer on this move"), 0);
12546 /* Not used for offers from chess program */
12553 /* Issue ICS rematch command */
12554 if (appData.icsActive) {
12555 SendToICS(ics_prefix);
12556 SendToICS("rematch\n");
12563 /* Call your opponent's flag (claim a win on time) */
12564 if (appData.icsActive) {
12565 SendToICS(ics_prefix);
12566 SendToICS("flag\n");
12568 switch (gameMode) {
12571 case MachinePlaysWhite:
12574 GameEnds(GameIsDrawn, "Both players ran out of time",
12577 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12579 DisplayError(_("Your opponent is not out of time"), 0);
12582 case MachinePlaysBlack:
12585 GameEnds(GameIsDrawn, "Both players ran out of time",
12588 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12590 DisplayError(_("Your opponent is not out of time"), 0);
12600 /* Offer draw or accept pending draw offer from opponent */
12602 if (appData.icsActive) {
12603 /* Note: tournament rules require draw offers to be
12604 made after you make your move but before you punch
12605 your clock. Currently ICS doesn't let you do that;
12606 instead, you immediately punch your clock after making
12607 a move, but you can offer a draw at any time. */
12609 SendToICS(ics_prefix);
12610 SendToICS("draw\n");
12611 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12612 } else if (cmailMsgLoaded) {
12613 if (currentMove == cmailOldMove &&
12614 commentList[cmailOldMove] != NULL &&
12615 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12616 "Black offers a draw" : "White offers a draw")) {
12617 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12618 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12619 } else if (currentMove == cmailOldMove + 1) {
12620 char *offer = WhiteOnMove(cmailOldMove) ?
12621 "White offers a draw" : "Black offers a draw";
12622 AppendComment(currentMove, offer, TRUE);
12623 DisplayComment(currentMove - 1, offer);
12624 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12626 DisplayError(_("You must make your move before offering a draw"), 0);
12627 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12629 } else if (first.offeredDraw) {
12630 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12632 if (first.sendDrawOffers) {
12633 SendToProgram("draw\n", &first);
12634 userOfferedDraw = TRUE;
12642 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12644 if (appData.icsActive) {
12645 SendToICS(ics_prefix);
12646 SendToICS("adjourn\n");
12648 /* Currently GNU Chess doesn't offer or accept Adjourns */
12656 /* Offer Abort or accept pending Abort offer from opponent */
12658 if (appData.icsActive) {
12659 SendToICS(ics_prefix);
12660 SendToICS("abort\n");
12662 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12669 /* Resign. You can do this even if it's not your turn. */
12671 if (appData.icsActive) {
12672 SendToICS(ics_prefix);
12673 SendToICS("resign\n");
12675 switch (gameMode) {
12676 case MachinePlaysWhite:
12677 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12679 case MachinePlaysBlack:
12680 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12683 if (cmailMsgLoaded) {
12685 if (WhiteOnMove(cmailOldMove)) {
12686 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12688 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12690 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12701 StopObservingEvent()
12703 /* Stop observing current games */
12704 SendToICS(ics_prefix);
12705 SendToICS("unobserve\n");
12709 StopExaminingEvent()
12711 /* Stop observing current game */
12712 SendToICS(ics_prefix);
12713 SendToICS("unexamine\n");
12717 ForwardInner(target)
12722 if (appData.debugMode)
12723 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12724 target, currentMove, forwardMostMove);
12726 if (gameMode == EditPosition)
12729 if (gameMode == PlayFromGameFile && !pausing)
12732 if (gameMode == IcsExamining && pausing)
12733 limit = pauseExamForwardMostMove;
12735 limit = forwardMostMove;
12737 if (target > limit) target = limit;
12739 if (target > 0 && moveList[target - 1][0]) {
12740 int fromX, fromY, toX, toY;
12741 toX = moveList[target - 1][2] - AAA;
12742 toY = moveList[target - 1][3] - ONE;
12743 if (moveList[target - 1][1] == '@') {
12744 if (appData.highlightLastMove) {
12745 SetHighlights(-1, -1, toX, toY);
12748 fromX = moveList[target - 1][0] - AAA;
12749 fromY = moveList[target - 1][1] - ONE;
12750 if (target == currentMove + 1) {
12751 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12753 if (appData.highlightLastMove) {
12754 SetHighlights(fromX, fromY, toX, toY);
12758 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12759 gameMode == Training || gameMode == PlayFromGameFile ||
12760 gameMode == AnalyzeFile) {
12761 while (currentMove < target) {
12762 SendMoveToProgram(currentMove++, &first);
12765 currentMove = target;
12768 if (gameMode == EditGame || gameMode == EndOfGame) {
12769 whiteTimeRemaining = timeRemaining[0][currentMove];
12770 blackTimeRemaining = timeRemaining[1][currentMove];
12772 DisplayBothClocks();
12773 DisplayMove(currentMove - 1);
12774 DrawPosition(FALSE, boards[currentMove]);
12775 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12776 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12777 DisplayComment(currentMove - 1, commentList[currentMove]);
12785 if (gameMode == IcsExamining && !pausing) {
12786 SendToICS(ics_prefix);
12787 SendToICS("forward\n");
12789 ForwardInner(currentMove + 1);
12796 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12797 /* to optimze, we temporarily turn off analysis mode while we feed
12798 * the remaining moves to the engine. Otherwise we get analysis output
12801 if (first.analysisSupport) {
12802 SendToProgram("exit\nforce\n", &first);
12803 first.analyzing = FALSE;
12807 if (gameMode == IcsExamining && !pausing) {
12808 SendToICS(ics_prefix);
12809 SendToICS("forward 999999\n");
12811 ForwardInner(forwardMostMove);
12814 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12815 /* we have fed all the moves, so reactivate analysis mode */
12816 SendToProgram("analyze\n", &first);
12817 first.analyzing = TRUE;
12818 /*first.maybeThinking = TRUE;*/
12819 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12824 BackwardInner(target)
12827 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12829 if (appData.debugMode)
12830 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12831 target, currentMove, forwardMostMove);
12833 if (gameMode == EditPosition) return;
12834 if (currentMove <= backwardMostMove) {
12836 DrawPosition(full_redraw, boards[currentMove]);
12839 if (gameMode == PlayFromGameFile && !pausing)
12842 if (moveList[target][0]) {
12843 int fromX, fromY, toX, toY;
12844 toX = moveList[target][2] - AAA;
12845 toY = moveList[target][3] - ONE;
12846 if (moveList[target][1] == '@') {
12847 if (appData.highlightLastMove) {
12848 SetHighlights(-1, -1, toX, toY);
12851 fromX = moveList[target][0] - AAA;
12852 fromY = moveList[target][1] - ONE;
12853 if (target == currentMove - 1) {
12854 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12856 if (appData.highlightLastMove) {
12857 SetHighlights(fromX, fromY, toX, toY);
12861 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12862 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12863 while (currentMove > target) {
12864 SendToProgram("undo\n", &first);
12868 currentMove = target;
12871 if (gameMode == EditGame || gameMode == EndOfGame) {
12872 whiteTimeRemaining = timeRemaining[0][currentMove];
12873 blackTimeRemaining = timeRemaining[1][currentMove];
12875 DisplayBothClocks();
12876 DisplayMove(currentMove - 1);
12877 DrawPosition(full_redraw, boards[currentMove]);
12878 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12879 // [HGM] PV info: routine tests if comment empty
12880 DisplayComment(currentMove - 1, commentList[currentMove]);
12886 if (gameMode == IcsExamining && !pausing) {
12887 SendToICS(ics_prefix);
12888 SendToICS("backward\n");
12890 BackwardInner(currentMove - 1);
12897 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12898 /* to optimize, we temporarily turn off analysis mode while we undo
12899 * all the moves. Otherwise we get analysis output after each undo.
12901 if (first.analysisSupport) {
12902 SendToProgram("exit\nforce\n", &first);
12903 first.analyzing = FALSE;
12907 if (gameMode == IcsExamining && !pausing) {
12908 SendToICS(ics_prefix);
12909 SendToICS("backward 999999\n");
12911 BackwardInner(backwardMostMove);
12914 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12915 /* we have fed all the moves, so reactivate analysis mode */
12916 SendToProgram("analyze\n", &first);
12917 first.analyzing = TRUE;
12918 /*first.maybeThinking = TRUE;*/
12919 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12926 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12927 if (to >= forwardMostMove) to = forwardMostMove;
12928 if (to <= backwardMostMove) to = backwardMostMove;
12929 if (to < currentMove) {
12937 RevertEvent(Boolean annotate)
12939 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12942 if (gameMode != IcsExamining) {
12943 DisplayError(_("You are not examining a game"), 0);
12947 DisplayError(_("You can't revert while pausing"), 0);
12950 SendToICS(ics_prefix);
12951 SendToICS("revert\n");
12957 switch (gameMode) {
12958 case MachinePlaysWhite:
12959 case MachinePlaysBlack:
12960 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12961 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12964 if (forwardMostMove < 2) return;
12965 currentMove = forwardMostMove = forwardMostMove - 2;
12966 whiteTimeRemaining = timeRemaining[0][currentMove];
12967 blackTimeRemaining = timeRemaining[1][currentMove];
12968 DisplayBothClocks();
12969 DisplayMove(currentMove - 1);
12970 ClearHighlights();/*!! could figure this out*/
12971 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12972 SendToProgram("remove\n", &first);
12973 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12976 case BeginningOfGame:
12980 case IcsPlayingWhite:
12981 case IcsPlayingBlack:
12982 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12983 SendToICS(ics_prefix);
12984 SendToICS("takeback 2\n");
12986 SendToICS(ics_prefix);
12987 SendToICS("takeback 1\n");
12996 ChessProgramState *cps;
12998 switch (gameMode) {
12999 case MachinePlaysWhite:
13000 if (!WhiteOnMove(forwardMostMove)) {
13001 DisplayError(_("It is your turn"), 0);
13006 case MachinePlaysBlack:
13007 if (WhiteOnMove(forwardMostMove)) {
13008 DisplayError(_("It is your turn"), 0);
13013 case TwoMachinesPlay:
13014 if (WhiteOnMove(forwardMostMove) ==
13015 (first.twoMachinesColor[0] == 'w')) {
13021 case BeginningOfGame:
13025 SendToProgram("?\n", cps);
13029 TruncateGameEvent()
13032 if (gameMode != EditGame) return;
13039 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
13040 if (forwardMostMove > currentMove) {
13041 if (gameInfo.resultDetails != NULL) {
13042 free(gameInfo.resultDetails);
13043 gameInfo.resultDetails = NULL;
13044 gameInfo.result = GameUnfinished;
13046 forwardMostMove = currentMove;
13047 HistorySet(parseList, backwardMostMove, forwardMostMove,
13055 if (appData.noChessProgram) return;
13056 switch (gameMode) {
13057 case MachinePlaysWhite:
13058 if (WhiteOnMove(forwardMostMove)) {
13059 DisplayError(_("Wait until your turn"), 0);
13063 case BeginningOfGame:
13064 case MachinePlaysBlack:
13065 if (!WhiteOnMove(forwardMostMove)) {
13066 DisplayError(_("Wait until your turn"), 0);
13071 DisplayError(_("No hint available"), 0);
13074 SendToProgram("hint\n", &first);
13075 hintRequested = TRUE;
13081 if (appData.noChessProgram) return;
13082 switch (gameMode) {
13083 case MachinePlaysWhite:
13084 if (WhiteOnMove(forwardMostMove)) {
13085 DisplayError(_("Wait until your turn"), 0);
13089 case BeginningOfGame:
13090 case MachinePlaysBlack:
13091 if (!WhiteOnMove(forwardMostMove)) {
13092 DisplayError(_("Wait until your turn"), 0);
13097 EditPositionDone(TRUE);
13099 case TwoMachinesPlay:
13104 SendToProgram("bk\n", &first);
13105 bookOutput[0] = NULLCHAR;
13106 bookRequested = TRUE;
13112 char *tags = PGNTags(&gameInfo);
13113 TagsPopUp(tags, CmailMsg());
13117 /* end button procedures */
13120 PrintPosition(fp, move)
13126 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13127 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13128 char c = PieceToChar(boards[move][i][j]);
13129 fputc(c == 'x' ? '.' : c, fp);
13130 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13133 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13134 fprintf(fp, "white to play\n");
13136 fprintf(fp, "black to play\n");
13143 if (gameInfo.white != NULL) {
13144 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13150 /* Find last component of program's own name, using some heuristics */
13152 TidyProgramName(prog, host, buf)
13153 char *prog, *host, buf[MSG_SIZ];
13156 int local = (strcmp(host, "localhost") == 0);
13157 while (!local && (p = strchr(prog, ';')) != NULL) {
13159 while (*p == ' ') p++;
13162 if (*prog == '"' || *prog == '\'') {
13163 q = strchr(prog + 1, *prog);
13165 q = strchr(prog, ' ');
13167 if (q == NULL) q = prog + strlen(prog);
13169 while (p >= prog && *p != '/' && *p != '\\') p--;
13171 if(p == prog && *p == '"') p++;
13172 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13173 memcpy(buf, p, q - p);
13174 buf[q - p] = NULLCHAR;
13182 TimeControlTagValue()
13185 if (!appData.clockMode) {
13186 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
13187 } else if (movesPerSession > 0) {
13188 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
13189 } else if (timeIncrement == 0) {
13190 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
13192 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13194 return StrSave(buf);
13200 /* This routine is used only for certain modes */
13201 VariantClass v = gameInfo.variant;
13202 ChessMove r = GameUnfinished;
13205 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13206 r = gameInfo.result;
13207 p = gameInfo.resultDetails;
13208 gameInfo.resultDetails = NULL;
13210 ClearGameInfo(&gameInfo);
13211 gameInfo.variant = v;
13213 switch (gameMode) {
13214 case MachinePlaysWhite:
13215 gameInfo.event = StrSave( appData.pgnEventHeader );
13216 gameInfo.site = StrSave(HostName());
13217 gameInfo.date = PGNDate();
13218 gameInfo.round = StrSave("-");
13219 gameInfo.white = StrSave(first.tidy);
13220 gameInfo.black = StrSave(UserName());
13221 gameInfo.timeControl = TimeControlTagValue();
13224 case MachinePlaysBlack:
13225 gameInfo.event = StrSave( appData.pgnEventHeader );
13226 gameInfo.site = StrSave(HostName());
13227 gameInfo.date = PGNDate();
13228 gameInfo.round = StrSave("-");
13229 gameInfo.white = StrSave(UserName());
13230 gameInfo.black = StrSave(first.tidy);
13231 gameInfo.timeControl = TimeControlTagValue();
13234 case TwoMachinesPlay:
13235 gameInfo.event = StrSave( appData.pgnEventHeader );
13236 gameInfo.site = StrSave(HostName());
13237 gameInfo.date = PGNDate();
13238 if (matchGame > 0) {
13240 snprintf(buf, MSG_SIZ, "%d", matchGame);
13241 gameInfo.round = StrSave(buf);
13243 gameInfo.round = StrSave("-");
13245 if (first.twoMachinesColor[0] == 'w') {
13246 gameInfo.white = StrSave(first.tidy);
13247 gameInfo.black = StrSave(second.tidy);
13249 gameInfo.white = StrSave(second.tidy);
13250 gameInfo.black = StrSave(first.tidy);
13252 gameInfo.timeControl = TimeControlTagValue();
13256 gameInfo.event = StrSave("Edited game");
13257 gameInfo.site = StrSave(HostName());
13258 gameInfo.date = PGNDate();
13259 gameInfo.round = StrSave("-");
13260 gameInfo.white = StrSave("-");
13261 gameInfo.black = StrSave("-");
13262 gameInfo.result = r;
13263 gameInfo.resultDetails = p;
13267 gameInfo.event = StrSave("Edited position");
13268 gameInfo.site = StrSave(HostName());
13269 gameInfo.date = PGNDate();
13270 gameInfo.round = StrSave("-");
13271 gameInfo.white = StrSave("-");
13272 gameInfo.black = StrSave("-");
13275 case IcsPlayingWhite:
13276 case IcsPlayingBlack:
13281 case PlayFromGameFile:
13282 gameInfo.event = StrSave("Game from non-PGN file");
13283 gameInfo.site = StrSave(HostName());
13284 gameInfo.date = PGNDate();
13285 gameInfo.round = StrSave("-");
13286 gameInfo.white = StrSave("?");
13287 gameInfo.black = StrSave("?");
13296 ReplaceComment(index, text)
13302 while (*text == '\n') text++;
13303 len = strlen(text);
13304 while (len > 0 && text[len - 1] == '\n') len--;
13306 if (commentList[index] != NULL)
13307 free(commentList[index]);
13310 commentList[index] = NULL;
13313 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13314 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13315 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13316 commentList[index] = (char *) malloc(len + 2);
13317 strncpy(commentList[index], text, len);
13318 commentList[index][len] = '\n';
13319 commentList[index][len + 1] = NULLCHAR;
13321 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13323 commentList[index] = (char *) malloc(len + 7);
13324 safeStrCpy(commentList[index], "{\n", 3);
13325 safeStrCpy(commentList[index]+2, text, len+1);
13326 commentList[index][len+2] = NULLCHAR;
13327 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13328 strcat(commentList[index], "\n}\n");
13342 if (ch == '\r') continue;
13344 } while (ch != '\0');
13348 AppendComment(index, text, addBraces)
13351 Boolean addBraces; // [HGM] braces: tells if we should add {}
13356 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13357 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13360 while (*text == '\n') text++;
13361 len = strlen(text);
13362 while (len > 0 && text[len - 1] == '\n') len--;
13364 if (len == 0) return;
13366 if (commentList[index] != NULL) {
13367 old = commentList[index];
13368 oldlen = strlen(old);
13369 while(commentList[index][oldlen-1] == '\n')
13370 commentList[index][--oldlen] = NULLCHAR;
13371 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13372 safeStrCpy(commentList[index], old, oldlen);
13374 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13375 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13376 if(addBraces) addBraces = FALSE; else { text++; len--; }
13377 while (*text == '\n') { text++; len--; }
13378 commentList[index][--oldlen] = NULLCHAR;
13380 if(addBraces) strcat(commentList[index], "\n{\n");
13381 else strcat(commentList[index], "\n");
13382 strcat(commentList[index], text);
13383 if(addBraces) strcat(commentList[index], "\n}\n");
13384 else strcat(commentList[index], "\n");
13386 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13388 safeStrCpy(commentList[index], "{\n", 3);
13389 else commentList[index][0] = NULLCHAR;
13390 strcat(commentList[index], text);
13391 strcat(commentList[index], "\n");
13392 if(addBraces) strcat(commentList[index], "}\n");
13396 static char * FindStr( char * text, char * sub_text )
13398 char * result = strstr( text, sub_text );
13400 if( result != NULL ) {
13401 result += strlen( sub_text );
13407 /* [AS] Try to extract PV info from PGN comment */
13408 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13409 char *GetInfoFromComment( int index, char * text )
13413 if( text != NULL && index > 0 ) {
13416 int time = -1, sec = 0, deci;
13417 char * s_eval = FindStr( text, "[%eval " );
13418 char * s_emt = FindStr( text, "[%emt " );
13420 if( s_eval != NULL || s_emt != NULL ) {
13424 if( s_eval != NULL ) {
13425 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13429 if( delim != ']' ) {
13434 if( s_emt != NULL ) {
13439 /* We expect something like: [+|-]nnn.nn/dd */
13442 if(*text != '{') return text; // [HGM] braces: must be normal comment
13444 sep = strchr( text, '/' );
13445 if( sep == NULL || sep < (text+4) ) {
13449 time = -1; sec = -1; deci = -1;
13450 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13451 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13452 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13453 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13457 if( score_lo < 0 || score_lo >= 100 ) {
13461 if(sec >= 0) time = 600*time + 10*sec; else
13462 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13464 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13466 /* [HGM] PV time: now locate end of PV info */
13467 while( *++sep >= '0' && *sep <= '9'); // strip depth
13469 while( *++sep >= '0' && *sep <= '9'); // strip time
13471 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13473 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13474 while(*sep == ' ') sep++;
13485 pvInfoList[index-1].depth = depth;
13486 pvInfoList[index-1].score = score;
13487 pvInfoList[index-1].time = 10*time; // centi-sec
13488 if(*sep == '}') *sep = 0; else *--sep = '{';
13494 SendToProgram(message, cps)
13496 ChessProgramState *cps;
13498 int count, outCount, error;
13501 if (cps->pr == NULL) return;
13504 if (appData.debugMode) {
13507 fprintf(debugFP, "%ld >%-6s: %s",
13508 SubtractTimeMarks(&now, &programStartTime),
13509 cps->which, message);
13512 count = strlen(message);
13513 outCount = OutputToProcess(cps->pr, message, count, &error);
13514 if (outCount < count && !exiting
13515 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13516 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), cps->which);
13517 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13518 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13519 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13520 snprintf(buf, MSG_SIZ, "%s program exits in draw position (%s)", cps->which, cps->program);
13522 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13524 gameInfo.resultDetails = StrSave(buf);
13526 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13531 ReceiveFromProgram(isr, closure, message, count, error)
13532 InputSourceRef isr;
13540 ChessProgramState *cps = (ChessProgramState *)closure;
13542 if (isr != cps->isr) return; /* Killed intentionally */
13545 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
13546 cps->which, cps->program);
13547 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13548 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13549 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13550 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13552 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13554 gameInfo.resultDetails = StrSave(buf);
13556 RemoveInputSource(cps->isr);
13557 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13559 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
13560 cps->which, cps->program);
13561 RemoveInputSource(cps->isr);
13563 /* [AS] Program is misbehaving badly... kill it */
13564 if( count == -2 ) {
13565 DestroyChildProcess( cps->pr, 9 );
13569 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13574 if ((end_str = strchr(message, '\r')) != NULL)
13575 *end_str = NULLCHAR;
13576 if ((end_str = strchr(message, '\n')) != NULL)
13577 *end_str = NULLCHAR;
13579 if (appData.debugMode) {
13580 TimeMark now; int print = 1;
13581 char *quote = ""; char c; int i;
13583 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13584 char start = message[0];
13585 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13586 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13587 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13588 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13589 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13590 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13591 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13592 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
13593 sscanf(message, "hint: %c", &c)!=1 &&
13594 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13595 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13596 print = (appData.engineComments >= 2);
13598 message[0] = start; // restore original message
13602 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13603 SubtractTimeMarks(&now, &programStartTime), cps->which,
13609 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13610 if (appData.icsEngineAnalyze) {
13611 if (strstr(message, "whisper") != NULL ||
13612 strstr(message, "kibitz") != NULL ||
13613 strstr(message, "tellics") != NULL) return;
13616 HandleMachineMove(message, cps);
13621 SendTimeControl(cps, mps, tc, inc, sd, st)
13622 ChessProgramState *cps;
13623 int mps, inc, sd, st;
13629 if( timeControl_2 > 0 ) {
13630 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13631 tc = timeControl_2;
13634 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13635 inc /= cps->timeOdds;
13636 st /= cps->timeOdds;
13638 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13641 /* Set exact time per move, normally using st command */
13642 if (cps->stKludge) {
13643 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13645 if (seconds == 0) {
13646 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
13648 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
13651 snprintf(buf, MSG_SIZ, "st %d\n", st);
13654 /* Set conventional or incremental time control, using level command */
13655 if (seconds == 0) {
13656 /* Note old gnuchess bug -- minutes:seconds used to not work.
13657 Fixed in later versions, but still avoid :seconds
13658 when seconds is 0. */
13659 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
13661 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
13662 seconds, inc/1000.);
13665 SendToProgram(buf, cps);
13667 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13668 /* Orthogonally, limit search to given depth */
13670 if (cps->sdKludge) {
13671 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
13673 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
13675 SendToProgram(buf, cps);
13678 if(cps->nps > 0) { /* [HGM] nps */
13679 if(cps->supportsNPS == FALSE)
13680 cps->nps = -1; // don't use if engine explicitly says not supported!
13682 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
13683 SendToProgram(buf, cps);
13688 ChessProgramState *WhitePlayer()
13689 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13691 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13692 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13698 SendTimeRemaining(cps, machineWhite)
13699 ChessProgramState *cps;
13700 int /*boolean*/ machineWhite;
13702 char message[MSG_SIZ];
13705 /* Note: this routine must be called when the clocks are stopped
13706 or when they have *just* been set or switched; otherwise
13707 it will be off by the time since the current tick started.
13709 if (machineWhite) {
13710 time = whiteTimeRemaining / 10;
13711 otime = blackTimeRemaining / 10;
13713 time = blackTimeRemaining / 10;
13714 otime = whiteTimeRemaining / 10;
13716 /* [HGM] translate opponent's time by time-odds factor */
13717 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13718 if (appData.debugMode) {
13719 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13722 if (time <= 0) time = 1;
13723 if (otime <= 0) otime = 1;
13725 snprintf(message, MSG_SIZ, "time %ld\n", time);
13726 SendToProgram(message, cps);
13728 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
13729 SendToProgram(message, cps);
13733 BoolFeature(p, name, loc, cps)
13737 ChessProgramState *cps;
13740 int len = strlen(name);
13743 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13745 sscanf(*p, "%d", &val);
13747 while (**p && **p != ' ')
13749 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13750 SendToProgram(buf, cps);
13757 IntFeature(p, name, loc, cps)
13761 ChessProgramState *cps;
13764 int len = strlen(name);
13765 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13767 sscanf(*p, "%d", loc);
13768 while (**p && **p != ' ') (*p)++;
13769 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13770 SendToProgram(buf, cps);
13777 StringFeature(p, name, loc, cps)
13781 ChessProgramState *cps;
13784 int len = strlen(name);
13785 if (strncmp((*p), name, len) == 0
13786 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13788 sscanf(*p, "%[^\"]", loc);
13789 while (**p && **p != '\"') (*p)++;
13790 if (**p == '\"') (*p)++;
13791 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13792 SendToProgram(buf, cps);
13799 ParseOption(Option *opt, ChessProgramState *cps)
13800 // [HGM] options: process the string that defines an engine option, and determine
13801 // name, type, default value, and allowed value range
13803 char *p, *q, buf[MSG_SIZ];
13804 int n, min = (-1)<<31, max = 1<<31, def;
13806 if(p = strstr(opt->name, " -spin ")) {
13807 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13808 if(max < min) max = min; // enforce consistency
13809 if(def < min) def = min;
13810 if(def > max) def = max;
13815 } else if((p = strstr(opt->name, " -slider "))) {
13816 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13817 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13818 if(max < min) max = min; // enforce consistency
13819 if(def < min) def = min;
13820 if(def > max) def = max;
13824 opt->type = Spin; // Slider;
13825 } else if((p = strstr(opt->name, " -string "))) {
13826 opt->textValue = p+9;
13827 opt->type = TextBox;
13828 } else if((p = strstr(opt->name, " -file "))) {
13829 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13830 opt->textValue = p+7;
13831 opt->type = TextBox; // FileName;
13832 } else if((p = strstr(opt->name, " -path "))) {
13833 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13834 opt->textValue = p+7;
13835 opt->type = TextBox; // PathName;
13836 } else if(p = strstr(opt->name, " -check ")) {
13837 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13838 opt->value = (def != 0);
13839 opt->type = CheckBox;
13840 } else if(p = strstr(opt->name, " -combo ")) {
13841 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13842 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13843 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13844 opt->value = n = 0;
13845 while(q = StrStr(q, " /// ")) {
13846 n++; *q = 0; // count choices, and null-terminate each of them
13848 if(*q == '*') { // remember default, which is marked with * prefix
13852 cps->comboList[cps->comboCnt++] = q;
13854 cps->comboList[cps->comboCnt++] = NULL;
13856 opt->type = ComboBox;
13857 } else if(p = strstr(opt->name, " -button")) {
13858 opt->type = Button;
13859 } else if(p = strstr(opt->name, " -save")) {
13860 opt->type = SaveButton;
13861 } else return FALSE;
13862 *p = 0; // terminate option name
13863 // now look if the command-line options define a setting for this engine option.
13864 if(cps->optionSettings && cps->optionSettings[0])
13865 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13866 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13867 snprintf(buf, MSG_SIZ, "option %s", p);
13868 if(p = strstr(buf, ",")) *p = 0;
13869 if(q = strchr(buf, '=')) switch(opt->type) {
13871 for(n=0; n<opt->max; n++)
13872 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
13875 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
13879 opt->value = atoi(q+1);
13884 SendToProgram(buf, cps);
13890 FeatureDone(cps, val)
13891 ChessProgramState* cps;
13894 DelayedEventCallback cb = GetDelayedEvent();
13895 if ((cb == InitBackEnd3 && cps == &first) ||
13896 (cb == SettingsMenuIfReady && cps == &second) ||
13897 (cb == TwoMachinesEventIfReady && cps == &second)) {
13898 CancelDelayedEvent();
13899 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13901 cps->initDone = val;
13904 /* Parse feature command from engine */
13906 ParseFeatures(args, cps)
13908 ChessProgramState *cps;
13916 while (*p == ' ') p++;
13917 if (*p == NULLCHAR) return;
13919 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13920 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13921 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13922 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13923 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13924 if (BoolFeature(&p, "reuse", &val, cps)) {
13925 /* Engine can disable reuse, but can't enable it if user said no */
13926 if (!val) cps->reuse = FALSE;
13929 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13930 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13931 if (gameMode == TwoMachinesPlay) {
13932 DisplayTwoMachinesTitle();
13938 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13939 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13940 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13941 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13942 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13943 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13944 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13945 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13946 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13947 if (IntFeature(&p, "done", &val, cps)) {
13948 FeatureDone(cps, val);
13951 /* Added by Tord: */
13952 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13953 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13954 /* End of additions by Tord */
13956 /* [HGM] added features: */
13957 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13958 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13959 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13960 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13961 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13962 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13963 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13964 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13965 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13966 SendToProgram(buf, cps);
13969 if(cps->nrOptions >= MAX_OPTIONS) {
13971 snprintf(buf, MSG_SIZ, "%s engine has too many options\n", cps->which);
13972 DisplayError(buf, 0);
13976 /* End of additions by HGM */
13978 /* unknown feature: complain and skip */
13980 while (*q && *q != '=') q++;
13981 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
13982 SendToProgram(buf, cps);
13988 while (*p && *p != '\"') p++;
13989 if (*p == '\"') p++;
13991 while (*p && *p != ' ') p++;
13999 PeriodicUpdatesEvent(newState)
14002 if (newState == appData.periodicUpdates)
14005 appData.periodicUpdates=newState;
14007 /* Display type changes, so update it now */
14008 // DisplayAnalysis();
14010 /* Get the ball rolling again... */
14012 AnalysisPeriodicEvent(1);
14013 StartAnalysisClock();
14018 PonderNextMoveEvent(newState)
14021 if (newState == appData.ponderNextMove) return;
14022 if (gameMode == EditPosition) EditPositionDone(TRUE);
14024 SendToProgram("hard\n", &first);
14025 if (gameMode == TwoMachinesPlay) {
14026 SendToProgram("hard\n", &second);
14029 SendToProgram("easy\n", &first);
14030 thinkOutput[0] = NULLCHAR;
14031 if (gameMode == TwoMachinesPlay) {
14032 SendToProgram("easy\n", &second);
14035 appData.ponderNextMove = newState;
14039 NewSettingEvent(option, feature, command, value)
14041 int option, value, *feature;
14045 if (gameMode == EditPosition) EditPositionDone(TRUE);
14046 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
14047 if(feature == NULL || *feature) SendToProgram(buf, &first);
14048 if (gameMode == TwoMachinesPlay) {
14049 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
14054 ShowThinkingEvent()
14055 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
14057 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
14058 int newState = appData.showThinking
14059 // [HGM] thinking: other features now need thinking output as well
14060 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
14062 if (oldState == newState) return;
14063 oldState = newState;
14064 if (gameMode == EditPosition) EditPositionDone(TRUE);
14066 SendToProgram("post\n", &first);
14067 if (gameMode == TwoMachinesPlay) {
14068 SendToProgram("post\n", &second);
14071 SendToProgram("nopost\n", &first);
14072 thinkOutput[0] = NULLCHAR;
14073 if (gameMode == TwoMachinesPlay) {
14074 SendToProgram("nopost\n", &second);
14077 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
14081 AskQuestionEvent(title, question, replyPrefix, which)
14082 char *title; char *question; char *replyPrefix; char *which;
14084 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
14085 if (pr == NoProc) return;
14086 AskQuestion(title, question, replyPrefix, pr);
14090 DisplayMove(moveNumber)
14093 char message[MSG_SIZ];
14095 char cpThinkOutput[MSG_SIZ];
14097 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
14099 if (moveNumber == forwardMostMove - 1 ||
14100 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14102 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
14104 if (strchr(cpThinkOutput, '\n')) {
14105 *strchr(cpThinkOutput, '\n') = NULLCHAR;
14108 *cpThinkOutput = NULLCHAR;
14111 /* [AS] Hide thinking from human user */
14112 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
14113 *cpThinkOutput = NULLCHAR;
14114 if( thinkOutput[0] != NULLCHAR ) {
14117 for( i=0; i<=hiddenThinkOutputState; i++ ) {
14118 cpThinkOutput[i] = '.';
14120 cpThinkOutput[i] = NULLCHAR;
14121 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14125 if (moveNumber == forwardMostMove - 1 &&
14126 gameInfo.resultDetails != NULL) {
14127 if (gameInfo.resultDetails[0] == NULLCHAR) {
14128 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
14130 snprintf(res, MSG_SIZ, " {%s} %s",
14131 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
14137 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14138 DisplayMessage(res, cpThinkOutput);
14140 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
14141 WhiteOnMove(moveNumber) ? " " : ".. ",
14142 parseList[moveNumber], res);
14143 DisplayMessage(message, cpThinkOutput);
14148 DisplayComment(moveNumber, text)
14152 char title[MSG_SIZ];
14153 char buf[8000]; // comment can be long!
14156 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14157 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
14159 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
14160 WhiteOnMove(moveNumber) ? " " : ".. ",
14161 parseList[moveNumber]);
14163 // [HGM] PV info: display PV info together with (or as) comment
14164 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14165 if(text == NULL) text = "";
14166 score = pvInfoList[moveNumber].score;
14167 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14168 depth, (pvInfoList[moveNumber].time+50)/100, text);
14171 if (text != NULL && (appData.autoDisplayComment || commentUp))
14172 CommentPopUp(title, text);
14175 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14176 * might be busy thinking or pondering. It can be omitted if your
14177 * gnuchess is configured to stop thinking immediately on any user
14178 * input. However, that gnuchess feature depends on the FIONREAD
14179 * ioctl, which does not work properly on some flavors of Unix.
14183 ChessProgramState *cps;
14186 if (!cps->useSigint) return;
14187 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14188 switch (gameMode) {
14189 case MachinePlaysWhite:
14190 case MachinePlaysBlack:
14191 case TwoMachinesPlay:
14192 case IcsPlayingWhite:
14193 case IcsPlayingBlack:
14196 /* Skip if we know it isn't thinking */
14197 if (!cps->maybeThinking) return;
14198 if (appData.debugMode)
14199 fprintf(debugFP, "Interrupting %s\n", cps->which);
14200 InterruptChildProcess(cps->pr);
14201 cps->maybeThinking = FALSE;
14206 #endif /*ATTENTION*/
14212 if (whiteTimeRemaining <= 0) {
14215 if (appData.icsActive) {
14216 if (appData.autoCallFlag &&
14217 gameMode == IcsPlayingBlack && !blackFlag) {
14218 SendToICS(ics_prefix);
14219 SendToICS("flag\n");
14223 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14225 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14226 if (appData.autoCallFlag) {
14227 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14234 if (blackTimeRemaining <= 0) {
14237 if (appData.icsActive) {
14238 if (appData.autoCallFlag &&
14239 gameMode == IcsPlayingWhite && !whiteFlag) {
14240 SendToICS(ics_prefix);
14241 SendToICS("flag\n");
14245 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14247 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14248 if (appData.autoCallFlag) {
14249 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14262 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14263 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14266 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14268 if ( !WhiteOnMove(forwardMostMove) ) {
14269 /* White made time control */
14270 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
14271 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
14272 /* [HGM] time odds: correct new time quota for time odds! */
14273 / WhitePlayer()->timeOdds;
14274 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
14276 lastBlack -= blackTimeRemaining;
14277 /* Black made time control */
14278 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
14279 / WhitePlayer()->other->timeOdds;
14280 lastWhite = whiteTimeRemaining;
14285 DisplayBothClocks()
14287 int wom = gameMode == EditPosition ?
14288 !blackPlaysFirst : WhiteOnMove(currentMove);
14289 DisplayWhiteClock(whiteTimeRemaining, wom);
14290 DisplayBlackClock(blackTimeRemaining, !wom);
14294 /* Timekeeping seems to be a portability nightmare. I think everyone
14295 has ftime(), but I'm really not sure, so I'm including some ifdefs
14296 to use other calls if you don't. Clocks will be less accurate if
14297 you have neither ftime nor gettimeofday.
14300 /* VS 2008 requires the #include outside of the function */
14301 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14302 #include <sys/timeb.h>
14305 /* Get the current time as a TimeMark */
14310 #if HAVE_GETTIMEOFDAY
14312 struct timeval timeVal;
14313 struct timezone timeZone;
14315 gettimeofday(&timeVal, &timeZone);
14316 tm->sec = (long) timeVal.tv_sec;
14317 tm->ms = (int) (timeVal.tv_usec / 1000L);
14319 #else /*!HAVE_GETTIMEOFDAY*/
14322 // include <sys/timeb.h> / moved to just above start of function
14323 struct timeb timeB;
14326 tm->sec = (long) timeB.time;
14327 tm->ms = (int) timeB.millitm;
14329 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14330 tm->sec = (long) time(NULL);
14336 /* Return the difference in milliseconds between two
14337 time marks. We assume the difference will fit in a long!
14340 SubtractTimeMarks(tm2, tm1)
14341 TimeMark *tm2, *tm1;
14343 return 1000L*(tm2->sec - tm1->sec) +
14344 (long) (tm2->ms - tm1->ms);
14349 * Code to manage the game clocks.
14351 * In tournament play, black starts the clock and then white makes a move.
14352 * We give the human user a slight advantage if he is playing white---the
14353 * clocks don't run until he makes his first move, so it takes zero time.
14354 * Also, we don't account for network lag, so we could get out of sync
14355 * with GNU Chess's clock -- but then, referees are always right.
14358 static TimeMark tickStartTM;
14359 static long intendedTickLength;
14362 NextTickLength(timeRemaining)
14363 long timeRemaining;
14365 long nominalTickLength, nextTickLength;
14367 if (timeRemaining > 0L && timeRemaining <= 10000L)
14368 nominalTickLength = 100L;
14370 nominalTickLength = 1000L;
14371 nextTickLength = timeRemaining % nominalTickLength;
14372 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14374 return nextTickLength;
14377 /* Adjust clock one minute up or down */
14379 AdjustClock(Boolean which, int dir)
14381 if(which) blackTimeRemaining += 60000*dir;
14382 else whiteTimeRemaining += 60000*dir;
14383 DisplayBothClocks();
14386 /* Stop clocks and reset to a fresh time control */
14390 (void) StopClockTimer();
14391 if (appData.icsActive) {
14392 whiteTimeRemaining = blackTimeRemaining = 0;
14393 } else if (searchTime) {
14394 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14395 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14396 } else { /* [HGM] correct new time quote for time odds */
14397 whiteTC = blackTC = fullTimeControlString;
14398 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
14399 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
14401 if (whiteFlag || blackFlag) {
14403 whiteFlag = blackFlag = FALSE;
14405 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
14406 DisplayBothClocks();
14409 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14411 /* Decrement running clock by amount of time that has passed */
14415 long timeRemaining;
14416 long lastTickLength, fudge;
14419 if (!appData.clockMode) return;
14420 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14424 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14426 /* Fudge if we woke up a little too soon */
14427 fudge = intendedTickLength - lastTickLength;
14428 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14430 if (WhiteOnMove(forwardMostMove)) {
14431 if(whiteNPS >= 0) lastTickLength = 0;
14432 timeRemaining = whiteTimeRemaining -= lastTickLength;
14433 if(timeRemaining < 0 && !appData.icsActive) {
14434 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
14435 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
14436 whiteStartMove = forwardMostMove; whiteTC = nextSession;
14437 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
14440 DisplayWhiteClock(whiteTimeRemaining - fudge,
14441 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14443 if(blackNPS >= 0) lastTickLength = 0;
14444 timeRemaining = blackTimeRemaining -= lastTickLength;
14445 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
14446 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
14448 blackStartMove = forwardMostMove;
14449 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
14452 DisplayBlackClock(blackTimeRemaining - fudge,
14453 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14455 if (CheckFlags()) return;
14458 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14459 StartClockTimer(intendedTickLength);
14461 /* if the time remaining has fallen below the alarm threshold, sound the
14462 * alarm. if the alarm has sounded and (due to a takeback or time control
14463 * with increment) the time remaining has increased to a level above the
14464 * threshold, reset the alarm so it can sound again.
14467 if (appData.icsActive && appData.icsAlarm) {
14469 /* make sure we are dealing with the user's clock */
14470 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14471 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14474 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14475 alarmSounded = FALSE;
14476 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14478 alarmSounded = TRUE;
14484 /* A player has just moved, so stop the previously running
14485 clock and (if in clock mode) start the other one.
14486 We redisplay both clocks in case we're in ICS mode, because
14487 ICS gives us an update to both clocks after every move.
14488 Note that this routine is called *after* forwardMostMove
14489 is updated, so the last fractional tick must be subtracted
14490 from the color that is *not* on move now.
14493 SwitchClocks(int newMoveNr)
14495 long lastTickLength;
14497 int flagged = FALSE;
14501 if (StopClockTimer() && appData.clockMode) {
14502 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14503 if (!WhiteOnMove(forwardMostMove)) {
14504 if(blackNPS >= 0) lastTickLength = 0;
14505 blackTimeRemaining -= lastTickLength;
14506 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14507 // if(pvInfoList[forwardMostMove-1].time == -1)
14508 pvInfoList[forwardMostMove-1].time = // use GUI time
14509 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14511 if(whiteNPS >= 0) lastTickLength = 0;
14512 whiteTimeRemaining -= lastTickLength;
14513 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14514 // if(pvInfoList[forwardMostMove-1].time == -1)
14515 pvInfoList[forwardMostMove-1].time =
14516 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14518 flagged = CheckFlags();
14520 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14521 CheckTimeControl();
14523 if (flagged || !appData.clockMode) return;
14525 switch (gameMode) {
14526 case MachinePlaysBlack:
14527 case MachinePlaysWhite:
14528 case BeginningOfGame:
14529 if (pausing) return;
14533 case PlayFromGameFile:
14541 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14542 if(WhiteOnMove(forwardMostMove))
14543 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14544 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14548 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14549 whiteTimeRemaining : blackTimeRemaining);
14550 StartClockTimer(intendedTickLength);
14554 /* Stop both clocks */
14558 long lastTickLength;
14561 if (!StopClockTimer()) return;
14562 if (!appData.clockMode) return;
14566 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14567 if (WhiteOnMove(forwardMostMove)) {
14568 if(whiteNPS >= 0) lastTickLength = 0;
14569 whiteTimeRemaining -= lastTickLength;
14570 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14572 if(blackNPS >= 0) lastTickLength = 0;
14573 blackTimeRemaining -= lastTickLength;
14574 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14579 /* Start clock of player on move. Time may have been reset, so
14580 if clock is already running, stop and restart it. */
14584 (void) StopClockTimer(); /* in case it was running already */
14585 DisplayBothClocks();
14586 if (CheckFlags()) return;
14588 if (!appData.clockMode) return;
14589 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14591 GetTimeMark(&tickStartTM);
14592 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14593 whiteTimeRemaining : blackTimeRemaining);
14595 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14596 whiteNPS = blackNPS = -1;
14597 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14598 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14599 whiteNPS = first.nps;
14600 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14601 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14602 blackNPS = first.nps;
14603 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14604 whiteNPS = second.nps;
14605 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14606 blackNPS = second.nps;
14607 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14609 StartClockTimer(intendedTickLength);
14616 long second, minute, hour, day;
14618 static char buf[32];
14620 if (ms > 0 && ms <= 9900) {
14621 /* convert milliseconds to tenths, rounding up */
14622 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14624 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
14628 /* convert milliseconds to seconds, rounding up */
14629 /* use floating point to avoid strangeness of integer division
14630 with negative dividends on many machines */
14631 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14638 day = second / (60 * 60 * 24);
14639 second = second % (60 * 60 * 24);
14640 hour = second / (60 * 60);
14641 second = second % (60 * 60);
14642 minute = second / 60;
14643 second = second % 60;
14646 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
14647 sign, day, hour, minute, second);
14649 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14651 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
14658 * This is necessary because some C libraries aren't ANSI C compliant yet.
14661 StrStr(string, match)
14662 char *string, *match;
14666 length = strlen(match);
14668 for (i = strlen(string) - length; i >= 0; i--, string++)
14669 if (!strncmp(match, string, length))
14676 StrCaseStr(string, match)
14677 char *string, *match;
14681 length = strlen(match);
14683 for (i = strlen(string) - length; i >= 0; i--, string++) {
14684 for (j = 0; j < length; j++) {
14685 if (ToLower(match[j]) != ToLower(string[j]))
14688 if (j == length) return string;
14702 c1 = ToLower(*s1++);
14703 c2 = ToLower(*s2++);
14704 if (c1 > c2) return 1;
14705 if (c1 < c2) return -1;
14706 if (c1 == NULLCHAR) return 0;
14715 return isupper(c) ? tolower(c) : c;
14723 return islower(c) ? toupper(c) : c;
14725 #endif /* !_amigados */
14733 if ((ret = (char *) malloc(strlen(s) + 1)))
14735 safeStrCpy(ret, s, strlen(s)+1);
14741 StrSavePtr(s, savePtr)
14742 char *s, **savePtr;
14747 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14748 safeStrCpy(*savePtr, s, strlen(s)+1);
14760 clock = time((time_t *)NULL);
14761 tm = localtime(&clock);
14762 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
14763 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14764 return StrSave(buf);
14769 PositionToFEN(move, overrideCastling)
14771 char *overrideCastling;
14773 int i, j, fromX, fromY, toX, toY;
14780 whiteToPlay = (gameMode == EditPosition) ?
14781 !blackPlaysFirst : (move % 2 == 0);
14784 /* Piece placement data */
14785 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14787 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14788 if (boards[move][i][j] == EmptySquare) {
14790 } else { ChessSquare piece = boards[move][i][j];
14791 if (emptycount > 0) {
14792 if(emptycount<10) /* [HGM] can be >= 10 */
14793 *p++ = '0' + emptycount;
14794 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14797 if(PieceToChar(piece) == '+') {
14798 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14800 piece = (ChessSquare)(DEMOTED piece);
14802 *p++ = PieceToChar(piece);
14804 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14805 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14810 if (emptycount > 0) {
14811 if(emptycount<10) /* [HGM] can be >= 10 */
14812 *p++ = '0' + emptycount;
14813 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14820 /* [HGM] print Crazyhouse or Shogi holdings */
14821 if( gameInfo.holdingsWidth ) {
14822 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14824 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14825 piece = boards[move][i][BOARD_WIDTH-1];
14826 if( piece != EmptySquare )
14827 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14828 *p++ = PieceToChar(piece);
14830 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14831 piece = boards[move][BOARD_HEIGHT-i-1][0];
14832 if( piece != EmptySquare )
14833 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14834 *p++ = PieceToChar(piece);
14837 if( q == p ) *p++ = '-';
14843 *p++ = whiteToPlay ? 'w' : 'b';
14846 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14847 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14849 if(nrCastlingRights) {
14851 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14852 /* [HGM] write directly from rights */
14853 if(boards[move][CASTLING][2] != NoRights &&
14854 boards[move][CASTLING][0] != NoRights )
14855 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14856 if(boards[move][CASTLING][2] != NoRights &&
14857 boards[move][CASTLING][1] != NoRights )
14858 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14859 if(boards[move][CASTLING][5] != NoRights &&
14860 boards[move][CASTLING][3] != NoRights )
14861 *p++ = boards[move][CASTLING][3] + AAA;
14862 if(boards[move][CASTLING][5] != NoRights &&
14863 boards[move][CASTLING][4] != NoRights )
14864 *p++ = boards[move][CASTLING][4] + AAA;
14867 /* [HGM] write true castling rights */
14868 if( nrCastlingRights == 6 ) {
14869 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14870 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14871 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14872 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14873 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14874 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14875 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14876 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14879 if (q == p) *p++ = '-'; /* No castling rights */
14883 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14884 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14885 /* En passant target square */
14886 if (move > backwardMostMove) {
14887 fromX = moveList[move - 1][0] - AAA;
14888 fromY = moveList[move - 1][1] - ONE;
14889 toX = moveList[move - 1][2] - AAA;
14890 toY = moveList[move - 1][3] - ONE;
14891 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14892 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14893 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14895 /* 2-square pawn move just happened */
14897 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14901 } else if(move == backwardMostMove) {
14902 // [HGM] perhaps we should always do it like this, and forget the above?
14903 if((signed char)boards[move][EP_STATUS] >= 0) {
14904 *p++ = boards[move][EP_STATUS] + AAA;
14905 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14916 /* [HGM] find reversible plies */
14917 { int i = 0, j=move;
14919 if (appData.debugMode) { int k;
14920 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14921 for(k=backwardMostMove; k<=forwardMostMove; k++)
14922 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14926 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14927 if( j == backwardMostMove ) i += initialRulePlies;
14928 sprintf(p, "%d ", i);
14929 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14931 /* Fullmove number */
14932 sprintf(p, "%d", (move / 2) + 1);
14934 return StrSave(buf);
14938 ParseFEN(board, blackPlaysFirst, fen)
14940 int *blackPlaysFirst;
14950 /* [HGM] by default clear Crazyhouse holdings, if present */
14951 if(gameInfo.holdingsWidth) {
14952 for(i=0; i<BOARD_HEIGHT; i++) {
14953 board[i][0] = EmptySquare; /* black holdings */
14954 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14955 board[i][1] = (ChessSquare) 0; /* black counts */
14956 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14960 /* Piece placement data */
14961 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14964 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14965 if (*p == '/') p++;
14966 emptycount = gameInfo.boardWidth - j;
14967 while (emptycount--)
14968 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14970 #if(BOARD_FILES >= 10)
14971 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14972 p++; emptycount=10;
14973 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14974 while (emptycount--)
14975 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14977 } else if (isdigit(*p)) {
14978 emptycount = *p++ - '0';
14979 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14980 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14981 while (emptycount--)
14982 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14983 } else if (*p == '+' || isalpha(*p)) {
14984 if (j >= gameInfo.boardWidth) return FALSE;
14986 piece = CharToPiece(*++p);
14987 if(piece == EmptySquare) return FALSE; /* unknown piece */
14988 piece = (ChessSquare) (PROMOTED piece ); p++;
14989 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14990 } else piece = CharToPiece(*p++);
14992 if(piece==EmptySquare) return FALSE; /* unknown piece */
14993 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14994 piece = (ChessSquare) (PROMOTED piece);
14995 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14998 board[i][(j++)+gameInfo.holdingsWidth] = piece;
15004 while (*p == '/' || *p == ' ') p++;
15006 /* [HGM] look for Crazyhouse holdings here */
15007 while(*p==' ') p++;
15008 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
15010 if(*p == '-' ) p++; /* empty holdings */ else {
15011 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
15012 /* if we would allow FEN reading to set board size, we would */
15013 /* have to add holdings and shift the board read so far here */
15014 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
15016 if((int) piece >= (int) BlackPawn ) {
15017 i = (int)piece - (int)BlackPawn;
15018 i = PieceToNumber((ChessSquare)i);
15019 if( i >= gameInfo.holdingsSize ) return FALSE;
15020 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
15021 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
15023 i = (int)piece - (int)WhitePawn;
15024 i = PieceToNumber((ChessSquare)i);
15025 if( i >= gameInfo.holdingsSize ) return FALSE;
15026 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
15027 board[i][BOARD_WIDTH-2]++; /* black holdings */
15034 while(*p == ' ') p++;
15038 if(appData.colorNickNames) {
15039 if( c == appData.colorNickNames[0] ) c = 'w'; else
15040 if( c == appData.colorNickNames[1] ) c = 'b';
15044 *blackPlaysFirst = FALSE;
15047 *blackPlaysFirst = TRUE;
15053 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
15054 /* return the extra info in global variiables */
15056 /* set defaults in case FEN is incomplete */
15057 board[EP_STATUS] = EP_UNKNOWN;
15058 for(i=0; i<nrCastlingRights; i++ ) {
15059 board[CASTLING][i] =
15060 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
15061 } /* assume possible unless obviously impossible */
15062 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
15063 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
15064 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
15065 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
15066 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
15067 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
15068 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
15069 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
15072 while(*p==' ') p++;
15073 if(nrCastlingRights) {
15074 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
15075 /* castling indicator present, so default becomes no castlings */
15076 for(i=0; i<nrCastlingRights; i++ ) {
15077 board[CASTLING][i] = NoRights;
15080 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
15081 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
15082 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
15083 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
15084 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
15086 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
15087 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
15088 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
15090 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
15091 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
15092 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
15093 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
15094 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
15095 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
15098 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
15099 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
15100 board[CASTLING][2] = whiteKingFile;
15103 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
15104 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
15105 board[CASTLING][2] = whiteKingFile;
15108 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
15109 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
15110 board[CASTLING][5] = blackKingFile;
15113 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
15114 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
15115 board[CASTLING][5] = blackKingFile;
15118 default: /* FRC castlings */
15119 if(c >= 'a') { /* black rights */
15120 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15121 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
15122 if(i == BOARD_RGHT) break;
15123 board[CASTLING][5] = i;
15125 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
15126 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
15128 board[CASTLING][3] = c;
15130 board[CASTLING][4] = c;
15131 } else { /* white rights */
15132 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15133 if(board[0][i] == WhiteKing) break;
15134 if(i == BOARD_RGHT) break;
15135 board[CASTLING][2] = i;
15136 c -= AAA - 'a' + 'A';
15137 if(board[0][c] >= WhiteKing) break;
15139 board[CASTLING][0] = c;
15141 board[CASTLING][1] = c;
15145 for(i=0; i<nrCastlingRights; i++)
15146 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15147 if (appData.debugMode) {
15148 fprintf(debugFP, "FEN castling rights:");
15149 for(i=0; i<nrCastlingRights; i++)
15150 fprintf(debugFP, " %d", board[CASTLING][i]);
15151 fprintf(debugFP, "\n");
15154 while(*p==' ') p++;
15157 /* read e.p. field in games that know e.p. capture */
15158 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15159 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15161 p++; board[EP_STATUS] = EP_NONE;
15163 char c = *p++ - AAA;
15165 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
15166 if(*p >= '0' && *p <='9') p++;
15167 board[EP_STATUS] = c;
15172 if(sscanf(p, "%d", &i) == 1) {
15173 FENrulePlies = i; /* 50-move ply counter */
15174 /* (The move number is still ignored) */
15181 EditPositionPasteFEN(char *fen)
15184 Board initial_position;
15186 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15187 DisplayError(_("Bad FEN position in clipboard"), 0);
15190 int savedBlackPlaysFirst = blackPlaysFirst;
15191 EditPositionEvent();
15192 blackPlaysFirst = savedBlackPlaysFirst;
15193 CopyBoard(boards[0], initial_position);
15194 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15195 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15196 DisplayBothClocks();
15197 DrawPosition(FALSE, boards[currentMove]);
15202 static char cseq[12] = "\\ ";
15204 Boolean set_cont_sequence(char *new_seq)
15209 // handle bad attempts to set the sequence
15211 return 0; // acceptable error - no debug
15213 len = strlen(new_seq);
15214 ret = (len > 0) && (len < sizeof(cseq));
15216 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
15217 else if (appData.debugMode)
15218 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15223 reformat a source message so words don't cross the width boundary. internal
15224 newlines are not removed. returns the wrapped size (no null character unless
15225 included in source message). If dest is NULL, only calculate the size required
15226 for the dest buffer. lp argument indicats line position upon entry, and it's
15227 passed back upon exit.
15229 int wrap(char *dest, char *src, int count, int width, int *lp)
15231 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15233 cseq_len = strlen(cseq);
15234 old_line = line = *lp;
15235 ansi = len = clen = 0;
15237 for (i=0; i < count; i++)
15239 if (src[i] == '\033')
15242 // if we hit the width, back up
15243 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15245 // store i & len in case the word is too long
15246 old_i = i, old_len = len;
15248 // find the end of the last word
15249 while (i && src[i] != ' ' && src[i] != '\n')
15255 // word too long? restore i & len before splitting it
15256 if ((old_i-i+clen) >= width)
15263 if (i && src[i-1] == ' ')
15266 if (src[i] != ' ' && src[i] != '\n')
15273 // now append the newline and continuation sequence
15278 strncpy(dest+len, cseq, cseq_len);
15286 dest[len] = src[i];
15290 if (src[i] == '\n')
15295 if (dest && appData.debugMode)
15297 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15298 count, width, line, len, *lp);
15299 show_bytes(debugFP, src, count);
15300 fprintf(debugFP, "\ndest: ");
15301 show_bytes(debugFP, dest, len);
15302 fprintf(debugFP, "\n");
15304 *lp = dest ? line : old_line;
15309 // [HGM] vari: routines for shelving variations
15312 PushTail(int firstMove, int lastMove)
15314 int i, j, nrMoves = lastMove - firstMove;
15316 if(appData.icsActive) { // only in local mode
15317 forwardMostMove = currentMove; // mimic old ICS behavior
15320 if(storedGames >= MAX_VARIATIONS-1) return;
15322 // push current tail of game on stack
15323 savedResult[storedGames] = gameInfo.result;
15324 savedDetails[storedGames] = gameInfo.resultDetails;
15325 gameInfo.resultDetails = NULL;
15326 savedFirst[storedGames] = firstMove;
15327 savedLast [storedGames] = lastMove;
15328 savedFramePtr[storedGames] = framePtr;
15329 framePtr -= nrMoves; // reserve space for the boards
15330 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15331 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15332 for(j=0; j<MOVE_LEN; j++)
15333 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15334 for(j=0; j<2*MOVE_LEN; j++)
15335 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15336 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15337 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15338 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15339 pvInfoList[firstMove+i-1].depth = 0;
15340 commentList[framePtr+i] = commentList[firstMove+i];
15341 commentList[firstMove+i] = NULL;
15345 forwardMostMove = firstMove; // truncate game so we can start variation
15346 if(storedGames == 1) GreyRevert(FALSE);
15350 PopTail(Boolean annotate)
15353 char buf[8000], moveBuf[20];
15355 if(appData.icsActive) return FALSE; // only in local mode
15356 if(!storedGames) return FALSE; // sanity
15357 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15360 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15361 nrMoves = savedLast[storedGames] - currentMove;
15364 if(!WhiteOnMove(currentMove))
15365 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
15366 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
15367 for(i=currentMove; i<forwardMostMove; i++) {
15369 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
15370 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
15371 strcat(buf, moveBuf);
15372 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15373 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15377 for(i=1; i<=nrMoves; i++) { // copy last variation back
15378 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15379 for(j=0; j<MOVE_LEN; j++)
15380 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15381 for(j=0; j<2*MOVE_LEN; j++)
15382 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15383 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15384 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15385 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15386 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15387 commentList[currentMove+i] = commentList[framePtr+i];
15388 commentList[framePtr+i] = NULL;
15390 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15391 framePtr = savedFramePtr[storedGames];
15392 gameInfo.result = savedResult[storedGames];
15393 if(gameInfo.resultDetails != NULL) {
15394 free(gameInfo.resultDetails);
15396 gameInfo.resultDetails = savedDetails[storedGames];
15397 forwardMostMove = currentMove + nrMoves;
15398 if(storedGames == 0) GreyRevert(TRUE);
15404 { // remove all shelved variations
15406 for(i=0; i<storedGames; i++) {
15407 if(savedDetails[i])
15408 free(savedDetails[i]);
15409 savedDetails[i] = NULL;
15411 for(i=framePtr; i<MAX_MOVES; i++) {
15412 if(commentList[i]) free(commentList[i]);
15413 commentList[i] = NULL;
15415 framePtr = MAX_MOVES-1;
15420 LoadVariation(int index, char *text)
15421 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15422 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15423 int level = 0, move;
15425 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15426 // first find outermost bracketing variation
15427 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15428 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15429 if(*p == '{') wait = '}'; else
15430 if(*p == '[') wait = ']'; else
15431 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15432 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15434 if(*p == wait) wait = NULLCHAR; // closing ]} found
15437 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15438 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15439 end[1] = NULLCHAR; // clip off comment beyond variation
15440 ToNrEvent(currentMove-1);
15441 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15442 // kludge: use ParsePV() to append variation to game
15443 move = currentMove;
15444 ParsePV(start, TRUE);
15445 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15446 ClearPremoveHighlights();
15448 ToNrEvent(currentMove+1);