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 void LeftClick(ClickType clickType, int xPix, int yPix)
6346 Boolean saveAnimate;
6347 static int second = 0, promotionChoice = 0, dragging = 0;
6348 char promoChoice = NULLCHAR;
6350 if(appData.seekGraph && appData.icsActive && loggedOn &&
6351 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6352 SeekGraphClick(clickType, xPix, yPix, 0);
6356 if (clickType == Press) ErrorPopDown();
6357 MarkTargetSquares(1);
6359 x = EventToSquare(xPix, BOARD_WIDTH);
6360 y = EventToSquare(yPix, BOARD_HEIGHT);
6361 if (!flipView && y >= 0) {
6362 y = BOARD_HEIGHT - 1 - y;
6364 if (flipView && x >= 0) {
6365 x = BOARD_WIDTH - 1 - x;
6368 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6369 if(clickType == Release) return; // ignore upclick of click-click destination
6370 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6371 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6372 if(gameInfo.holdingsWidth &&
6373 (WhiteOnMove(currentMove)
6374 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6375 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6376 // click in right holdings, for determining promotion piece
6377 ChessSquare p = boards[currentMove][y][x];
6378 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6379 if(p != EmptySquare) {
6380 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6385 DrawPosition(FALSE, boards[currentMove]);
6389 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6390 if(clickType == Press
6391 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6392 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6393 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6396 autoQueen = appData.alwaysPromoteToQueen;
6399 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6400 if (clickType == Press) {
6402 if (OKToStartUserMove(x, y)) {
6406 MarkTargetSquares(0);
6407 DragPieceBegin(xPix, yPix); dragging = 1;
6408 if (appData.highlightDragging) {
6409 SetHighlights(x, y, -1, -1);
6412 } else if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6413 DragPieceEnd(xPix, yPix); dragging = 0;
6414 DrawPosition(FALSE, NULL);
6421 if (clickType == Press && gameMode != EditPosition) {
6426 // ignore off-board to clicks
6427 if(y < 0 || x < 0) return;
6429 /* Check if clicking again on the same color piece */
6430 fromP = boards[currentMove][fromY][fromX];
6431 toP = boards[currentMove][y][x];
6432 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6433 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6434 WhitePawn <= toP && toP <= WhiteKing &&
6435 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6436 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6437 (BlackPawn <= fromP && fromP <= BlackKing &&
6438 BlackPawn <= toP && toP <= BlackKing &&
6439 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6440 !(fromP == BlackKing && toP == BlackRook && frc))) {
6441 /* Clicked again on same color piece -- changed his mind */
6442 second = (x == fromX && y == fromY);
6443 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6444 if (appData.highlightDragging) {
6445 SetHighlights(x, y, -1, -1);
6449 if (OKToStartUserMove(x, y)) {
6451 fromY = y; dragging = 1;
6452 MarkTargetSquares(0);
6453 DragPieceBegin(xPix, yPix);
6456 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6459 // ignore clicks on holdings
6460 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6463 if (clickType == Release && x == fromX && y == fromY) {
6464 DragPieceEnd(xPix, yPix); dragging = 0;
6465 if (appData.animateDragging) {
6466 /* Undo animation damage if any */
6467 DrawPosition(FALSE, NULL);
6470 /* Second up/down in same square; just abort move */
6475 ClearPremoveHighlights();
6477 /* First upclick in same square; start click-click mode */
6478 SetHighlights(x, y, -1, -1);
6483 /* we now have a different from- and (possibly off-board) to-square */
6484 /* Completed move */
6487 saveAnimate = appData.animate;
6488 if (clickType == Press) {
6489 /* Finish clickclick move */
6490 if (appData.animate || appData.highlightLastMove) {
6491 SetHighlights(fromX, fromY, toX, toY);
6496 /* Finish drag move */
6497 if (appData.highlightLastMove) {
6498 SetHighlights(fromX, fromY, toX, toY);
6502 DragPieceEnd(xPix, yPix); dragging = 0;
6503 /* Don't animate move and drag both */
6504 appData.animate = FALSE;
6507 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6508 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6509 ChessSquare piece = boards[currentMove][fromY][fromX];
6510 if(gameMode == EditPosition && piece != EmptySquare &&
6511 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6514 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6515 n = PieceToNumber(piece - (int)BlackPawn);
6516 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6517 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6518 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6520 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6521 n = PieceToNumber(piece);
6522 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6523 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6524 boards[currentMove][n][BOARD_WIDTH-2]++;
6526 boards[currentMove][fromY][fromX] = EmptySquare;
6530 DrawPosition(TRUE, boards[currentMove]);
6534 // off-board moves should not be highlighted
6535 if(x < 0 || y < 0) ClearHighlights();
6537 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6538 SetHighlights(fromX, fromY, toX, toY);
6539 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6540 // [HGM] super: promotion to captured piece selected from holdings
6541 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6542 promotionChoice = TRUE;
6543 // kludge follows to temporarily execute move on display, without promoting yet
6544 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6545 boards[currentMove][toY][toX] = p;
6546 DrawPosition(FALSE, boards[currentMove]);
6547 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6548 boards[currentMove][toY][toX] = q;
6549 DisplayMessage("Click in holdings to choose piece", "");
6554 int oldMove = currentMove;
6555 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6556 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6557 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6558 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
6559 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
6560 DrawPosition(TRUE, boards[currentMove]);
6563 appData.animate = saveAnimate;
6564 if (appData.animate || appData.animateDragging) {
6565 /* Undo animation damage if needed */
6566 DrawPosition(FALSE, NULL);
6570 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6571 { // front-end-free part taken out of PieceMenuPopup
6572 int whichMenu; int xSqr, ySqr;
6574 if(seekGraphUp) { // [HGM] seekgraph
6575 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6576 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6580 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6581 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6582 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6583 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6584 if(action == Press) {
6585 originalFlip = flipView;
6586 flipView = !flipView; // temporarily flip board to see game from partners perspective
6587 DrawPosition(TRUE, partnerBoard);
6588 DisplayMessage(partnerStatus, "");
6590 } else if(action == Release) {
6591 flipView = originalFlip;
6592 DrawPosition(TRUE, boards[currentMove]);
6598 xSqr = EventToSquare(x, BOARD_WIDTH);
6599 ySqr = EventToSquare(y, BOARD_HEIGHT);
6600 if (action == Release) UnLoadPV(); // [HGM] pv
6601 if (action != Press) return -2; // return code to be ignored
6604 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6606 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6607 if (xSqr < 0 || ySqr < 0) return -1;
\r
6608 whichMenu = 0; // edit-position menu
6611 if(!appData.icsEngineAnalyze) return -1;
6612 case IcsPlayingWhite:
6613 case IcsPlayingBlack:
6614 if(!appData.zippyPlay) goto noZip;
6617 case MachinePlaysWhite:
6618 case MachinePlaysBlack:
6619 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6620 if (!appData.dropMenu) {
6622 return 2; // flag front-end to grab mouse events
6624 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6625 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6628 if (xSqr < 0 || ySqr < 0) return -1;
6629 if (!appData.dropMenu || appData.testLegality &&
6630 gameInfo.variant != VariantBughouse &&
6631 gameInfo.variant != VariantCrazyhouse) return -1;
6632 whichMenu = 1; // drop menu
6638 if (((*fromX = xSqr) < 0) ||
6639 ((*fromY = ySqr) < 0)) {
6640 *fromX = *fromY = -1;
6644 *fromX = BOARD_WIDTH - 1 - *fromX;
6646 *fromY = BOARD_HEIGHT - 1 - *fromY;
6651 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6653 // char * hint = lastHint;
6654 FrontEndProgramStats stats;
6656 stats.which = cps == &first ? 0 : 1;
6657 stats.depth = cpstats->depth;
6658 stats.nodes = cpstats->nodes;
6659 stats.score = cpstats->score;
6660 stats.time = cpstats->time;
6661 stats.pv = cpstats->movelist;
6662 stats.hint = lastHint;
6663 stats.an_move_index = 0;
6664 stats.an_move_count = 0;
6666 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6667 stats.hint = cpstats->move_name;
6668 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6669 stats.an_move_count = cpstats->nr_moves;
6672 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
6674 SetProgramStats( &stats );
6678 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
6679 { // count all piece types
6681 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
6682 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
6683 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
6686 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
6687 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
6688 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
6689 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
6690 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
6691 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
6696 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
6698 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
6699 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
6701 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
6702 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
6703 if(myPawns == 2 && nMine == 3) // KPP
6704 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
6705 if(myPawns == 1 && nMine == 2) // KP
6706 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6707 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
6708 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
6709 if(myPawns) return FALSE;
6710 if(pCnt[WhiteRook+side])
6711 return pCnt[BlackRook-side] ||
6712 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
6713 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
6714 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
6715 if(pCnt[WhiteCannon+side]) {
6716 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
6717 return majorDefense || pCnt[BlackAlfil-side] >= 2;
6719 if(pCnt[WhiteKnight+side])
6720 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6725 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
6727 VariantClass v = gameInfo.variant;
6729 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
6730 if(v == VariantShatranj) return TRUE; // always winnable through baring
6731 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
6732 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
6734 if(v == VariantXiangqi) {
6735 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
6737 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
6738 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
6739 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
6740 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
6741 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
6742 if(stale) // we have at least one last-rank P plus perhaps C
6743 return majors // KPKX
6744 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
6746 return pCnt[WhiteFerz+side] // KCAK
6747 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
6748 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
6749 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
6751 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
6752 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
6754 if(nMine == 1) return FALSE; // bare King
6755 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
6756 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
6757 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
6758 // by now we have King + 1 piece (or multiple Bishops on the same color)
6759 if(pCnt[WhiteKnight+side])
6760 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
6761 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
6762 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
6764 return (pCnt[BlackKnight-side]); // KBKN, KFKN
6765 if(pCnt[WhiteAlfil+side])
6766 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
6767 if(pCnt[WhiteWazir+side])
6768 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
6775 Adjudicate(ChessProgramState *cps)
6776 { // [HGM] some adjudications useful with buggy engines
6777 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6778 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6779 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6780 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6781 int k, count = 0; static int bare = 1;
6782 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6783 Boolean canAdjudicate = !appData.icsActive;
6785 // most tests only when we understand the game, i.e. legality-checking on
6786 if( appData.testLegality )
6787 { /* [HGM] Some more adjudications for obstinate engines */
6788 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
6789 static int moveCount = 6;
6791 char *reason = NULL;
6793 /* Count what is on board. */
6794 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
6796 /* Some material-based adjudications that have to be made before stalemate test */
6797 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
6798 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6799 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6800 if(canAdjudicate && appData.checkMates) {
6802 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6803 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6804 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6805 "Xboard adjudication: King destroyed", GE_XBOARD );
6810 /* Bare King in Shatranj (loses) or Losers (wins) */
6811 if( nrW == 1 || nrB == 1) {
6812 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6813 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6814 if(canAdjudicate && appData.checkMates) {
6816 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6817 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6818 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6819 "Xboard adjudication: Bare king", GE_XBOARD );
6823 if( gameInfo.variant == VariantShatranj && --bare < 0)
6825 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6826 if(canAdjudicate && appData.checkMates) {
6827 /* but only adjudicate if adjudication enabled */
6829 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6830 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6831 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
6832 "Xboard adjudication: Bare king", GE_XBOARD );
6839 // don't wait for engine to announce game end if we can judge ourselves
6840 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6842 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6843 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6844 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6845 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6848 reason = "Xboard adjudication: 3rd check";
6849 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6859 reason = "Xboard adjudication: Stalemate";
6860 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6861 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6862 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6863 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6864 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6865 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
6866 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
6867 EP_CHECKMATE : EP_WINS);
6868 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6869 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6873 reason = "Xboard adjudication: Checkmate";
6874 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6878 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6880 result = GameIsDrawn; break;
6882 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6884 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6888 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6890 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6891 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6892 GameEnds( result, reason, GE_XBOARD );
6896 /* Next absolutely insufficient mating material. */
6897 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
6898 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
6899 { /* includes KBK, KNK, KK of KBKB with like Bishops */
6901 /* always flag draws, for judging claims */
6902 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6904 if(canAdjudicate && appData.materialDraws) {
6905 /* but only adjudicate them if adjudication enabled */
6906 if(engineOpponent) {
6907 SendToProgram("force\n", engineOpponent); // suppress reply
6908 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6910 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6911 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6916 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6917 if(gameInfo.variant == VariantXiangqi ?
6918 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
6920 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
6921 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
6922 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
6923 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
6925 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6926 { /* if the first 3 moves do not show a tactical win, declare draw */
6927 if(engineOpponent) {
6928 SendToProgram("force\n", engineOpponent); // suppress reply
6929 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6931 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6932 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6935 } else moveCount = 6;
6937 if (appData.debugMode) { int i;
6938 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6939 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6940 appData.drawRepeats);
6941 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6942 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6946 // Repetition draws and 50-move rule can be applied independently of legality testing
6948 /* Check for rep-draws */
6950 for(k = forwardMostMove-2;
6951 k>=backwardMostMove && k>=forwardMostMove-100 &&
6952 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6953 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6956 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6957 /* compare castling rights */
6958 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6959 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6960 rights++; /* King lost rights, while rook still had them */
6961 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6962 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6963 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6964 rights++; /* but at least one rook lost them */
6966 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6967 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6969 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6970 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6971 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6974 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6975 && appData.drawRepeats > 1) {
6976 /* adjudicate after user-specified nr of repeats */
6977 int result = GameIsDrawn;
6978 char *details = "XBoard adjudication: repetition draw";
6979 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6980 // [HGM] xiangqi: check for forbidden perpetuals
6981 int m, ourPerpetual = 1, hisPerpetual = 1;
6982 for(m=forwardMostMove; m>k; m-=2) {
6983 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6984 ourPerpetual = 0; // the current mover did not always check
6985 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6986 hisPerpetual = 0; // the opponent did not always check
6988 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6989 ourPerpetual, hisPerpetual);
6990 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6991 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6992 details = "Xboard adjudication: perpetual checking";
6994 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
6995 break; // (or we would have caught him before). Abort repetition-checking loop.
6997 // Now check for perpetual chases
6998 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6999 hisPerpetual = PerpetualChase(k, forwardMostMove);
7000 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7001 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7002 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7003 details = "Xboard adjudication: perpetual chasing";
7005 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7006 break; // Abort repetition-checking loop.
7008 // if neither of us is checking or chasing all the time, or both are, it is draw
7010 if(engineOpponent) {
7011 SendToProgram("force\n", engineOpponent); // suppress reply
7012 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7014 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7015 GameEnds( result, details, GE_XBOARD );
7018 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7019 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7023 /* Now we test for 50-move draws. Determine ply count */
7024 count = forwardMostMove;
7025 /* look for last irreversble move */
7026 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7028 /* if we hit starting position, add initial plies */
7029 if( count == backwardMostMove )
7030 count -= initialRulePlies;
7031 count = forwardMostMove - count;
7032 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7033 // adjust reversible move counter for checks in Xiangqi
7034 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7035 if(i < backwardMostMove) i = backwardMostMove;
7036 while(i <= forwardMostMove) {
7037 lastCheck = inCheck; // check evasion does not count
7038 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7039 if(inCheck || lastCheck) count--; // check does not count
7044 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7045 /* this is used to judge if draw claims are legal */
7046 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7047 if(engineOpponent) {
7048 SendToProgram("force\n", engineOpponent); // suppress reply
7049 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7051 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7052 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7056 /* if draw offer is pending, treat it as a draw claim
7057 * when draw condition present, to allow engines a way to
7058 * claim draws before making their move to avoid a race
7059 * condition occurring after their move
7061 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7063 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7064 p = "Draw claim: 50-move rule";
7065 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7066 p = "Draw claim: 3-fold repetition";
7067 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7068 p = "Draw claim: insufficient mating material";
7069 if( p != NULL && canAdjudicate) {
7070 if(engineOpponent) {
7071 SendToProgram("force\n", engineOpponent); // suppress reply
7072 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7074 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7075 GameEnds( GameIsDrawn, p, GE_XBOARD );
7080 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
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, "Xboard adjudication: long game", GE_XBOARD );
7092 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7093 { // [HGM] book: this routine intercepts moves to simulate book replies
7094 char *bookHit = NULL;
7096 //first determine if the incoming move brings opponent into his book
7097 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7098 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7099 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7100 if(bookHit != NULL && !cps->bookSuspend) {
7101 // make sure opponent is not going to reply after receiving move to book position
7102 SendToProgram("force\n", cps);
7103 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7105 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7106 // now arrange restart after book miss
7108 // after a book hit we never send 'go', and the code after the call to this routine
7109 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7111 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
7112 SendToProgram(buf, cps);
7113 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7114 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7115 SendToProgram("go\n", cps);
7116 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7117 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7118 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7119 SendToProgram("go\n", cps);
7120 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7122 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7126 ChessProgramState *savedState;
7127 void DeferredBookMove(void)
7129 if(savedState->lastPing != savedState->lastPong)
7130 ScheduleDelayedEvent(DeferredBookMove, 10);
7132 HandleMachineMove(savedMessage, savedState);
7136 HandleMachineMove(message, cps)
7138 ChessProgramState *cps;
7140 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7141 char realname[MSG_SIZ];
7142 int fromX, fromY, toX, toY;
7151 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7153 * Kludge to ignore BEL characters
7155 while (*message == '\007') message++;
7158 * [HGM] engine debug message: ignore lines starting with '#' character
7160 if(cps->debug && *message == '#') return;
7163 * Look for book output
7165 if (cps == &first && bookRequested) {
7166 if (message[0] == '\t' || message[0] == ' ') {
7167 /* Part of the book output is here; append it */
7168 strcat(bookOutput, message);
7169 strcat(bookOutput, " \n");
7171 } else if (bookOutput[0] != NULLCHAR) {
7172 /* All of book output has arrived; display it */
7173 char *p = bookOutput;
7174 while (*p != NULLCHAR) {
7175 if (*p == '\t') *p = ' ';
7178 DisplayInformation(bookOutput);
7179 bookRequested = FALSE;
7180 /* Fall through to parse the current output */
7185 * Look for machine move.
7187 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7188 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7190 /* This method is only useful on engines that support ping */
7191 if (cps->lastPing != cps->lastPong) {
7192 if (gameMode == BeginningOfGame) {
7193 /* Extra move from before last new; ignore */
7194 if (appData.debugMode) {
7195 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7198 if (appData.debugMode) {
7199 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7200 cps->which, gameMode);
7203 SendToProgram("undo\n", cps);
7209 case BeginningOfGame:
7210 /* Extra move from before last reset; ignore */
7211 if (appData.debugMode) {
7212 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7219 /* Extra move after we tried to stop. The mode test is
7220 not a reliable way of detecting this problem, but it's
7221 the best we can do on engines that don't support ping.
7223 if (appData.debugMode) {
7224 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7225 cps->which, gameMode);
7227 SendToProgram("undo\n", cps);
7230 case MachinePlaysWhite:
7231 case IcsPlayingWhite:
7232 machineWhite = TRUE;
7235 case MachinePlaysBlack:
7236 case IcsPlayingBlack:
7237 machineWhite = FALSE;
7240 case TwoMachinesPlay:
7241 machineWhite = (cps->twoMachinesColor[0] == 'w');
7244 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7245 if (appData.debugMode) {
7247 "Ignoring move out of turn by %s, gameMode %d"
7248 ", forwardMost %d\n",
7249 cps->which, gameMode, forwardMostMove);
7254 if (appData.debugMode) { int f = forwardMostMove;
7255 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7256 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7257 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7259 if(cps->alphaRank) AlphaRank(machineMove, 4);
7260 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7261 &fromX, &fromY, &toX, &toY, &promoChar)) {
7262 /* Machine move could not be parsed; ignore it. */
7263 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7264 machineMove, cps->which);
7265 DisplayError(buf1, 0);
7266 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7267 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7268 if (gameMode == TwoMachinesPlay) {
7269 GameEnds(machineWhite ? BlackWins : WhiteWins,
7275 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7276 /* So we have to redo legality test with true e.p. status here, */
7277 /* to make sure an illegal e.p. capture does not slip through, */
7278 /* to cause a forfeit on a justified illegal-move complaint */
7279 /* of the opponent. */
7280 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7282 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7283 fromY, fromX, toY, toX, promoChar);
7284 if (appData.debugMode) {
7286 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7287 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7288 fprintf(debugFP, "castling rights\n");
7290 if(moveType == IllegalMove) {
7291 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7292 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7293 GameEnds(machineWhite ? BlackWins : WhiteWins,
7296 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7297 /* [HGM] Kludge to handle engines that send FRC-style castling
7298 when they shouldn't (like TSCP-Gothic) */
7300 case WhiteASideCastleFR:
7301 case BlackASideCastleFR:
7303 currentMoveString[2]++;
7305 case WhiteHSideCastleFR:
7306 case BlackHSideCastleFR:
7308 currentMoveString[2]--;
7310 default: ; // nothing to do, but suppresses warning of pedantic compilers
7313 hintRequested = FALSE;
7314 lastHint[0] = NULLCHAR;
7315 bookRequested = FALSE;
7316 /* Program may be pondering now */
7317 cps->maybeThinking = TRUE;
7318 if (cps->sendTime == 2) cps->sendTime = 1;
7319 if (cps->offeredDraw) cps->offeredDraw--;
7321 /* currentMoveString is set as a side-effect of ParseOneMove */
7322 safeStrCpy(machineMove, currentMoveString, sizeof(machineMove)/sizeof(machineMove[0]));
7323 strcat(machineMove, "\n");
7324 safeStrCpy(moveList[forwardMostMove], machineMove, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
7326 /* [AS] Save move info*/
7327 pvInfoList[ forwardMostMove ].score = programStats.score;
7328 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7329 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7331 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7333 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7334 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7337 while( count < adjudicateLossPlies ) {
7338 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7341 score = -score; /* Flip score for winning side */
7344 if( score > adjudicateLossThreshold ) {
7351 if( count >= adjudicateLossPlies ) {
7352 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7354 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7355 "Xboard adjudication",
7362 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7365 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7367 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7368 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7370 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7372 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7374 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7375 char buf[3*MSG_SIZ];
7377 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7378 programStats.score / 100.,
7380 programStats.time / 100.,
7381 (unsigned int)programStats.nodes,
7382 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7383 programStats.movelist);
7385 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7390 /* [AS] Clear stats for next move */
7391 ClearProgramStats();
7392 thinkOutput[0] = NULLCHAR;
7393 hiddenThinkOutputState = 0;
7396 if (gameMode == TwoMachinesPlay) {
7397 /* [HGM] relaying draw offers moved to after reception of move */
7398 /* and interpreting offer as claim if it brings draw condition */
7399 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7400 SendToProgram("draw\n", cps->other);
7402 if (cps->other->sendTime) {
7403 SendTimeRemaining(cps->other,
7404 cps->other->twoMachinesColor[0] == 'w');
7406 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7407 if (firstMove && !bookHit) {
7409 if (cps->other->useColors) {
7410 SendToProgram(cps->other->twoMachinesColor, cps->other);
7412 SendToProgram("go\n", cps->other);
7414 cps->other->maybeThinking = TRUE;
7417 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7419 if (!pausing && appData.ringBellAfterMoves) {
7424 * Reenable menu items that were disabled while
7425 * machine was thinking
7427 if (gameMode != TwoMachinesPlay)
7428 SetUserThinkingEnables();
7430 // [HGM] book: after book hit opponent has received move and is now in force mode
7431 // force the book reply into it, and then fake that it outputted this move by jumping
7432 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7434 static char bookMove[MSG_SIZ]; // a bit generous?
7436 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7437 strcat(bookMove, bookHit);
7440 programStats.nodes = programStats.depth = programStats.time =
7441 programStats.score = programStats.got_only_move = 0;
7442 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7444 if(cps->lastPing != cps->lastPong) {
7445 savedMessage = message; // args for deferred call
7447 ScheduleDelayedEvent(DeferredBookMove, 10);
7456 /* Set special modes for chess engines. Later something general
7457 * could be added here; for now there is just one kludge feature,
7458 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7459 * when "xboard" is given as an interactive command.
7461 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7462 cps->useSigint = FALSE;
7463 cps->useSigterm = FALSE;
7465 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7466 ParseFeatures(message+8, cps);
7467 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7470 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
7471 int dummy, s=6; char buf[MSG_SIZ];
7472 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
7473 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
7474 ParseFEN(boards[0], &dummy, message+s);
7475 DrawPosition(TRUE, boards[0]);
7476 startedFromSetupPosition = TRUE;
7479 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7480 * want this, I was asked to put it in, and obliged.
7482 if (!strncmp(message, "setboard ", 9)) {
7483 Board initial_position;
7485 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7487 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7488 DisplayError(_("Bad FEN received from engine"), 0);
7492 CopyBoard(boards[0], initial_position);
7493 initialRulePlies = FENrulePlies;
7494 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7495 else gameMode = MachinePlaysBlack;
7496 DrawPosition(FALSE, boards[currentMove]);
7502 * Look for communication commands
7504 if (!strncmp(message, "telluser ", 9)) {
7505 if(message[9] == '\\' && message[10] == '\\')
7506 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
7507 DisplayNote(message + 9);
7510 if (!strncmp(message, "tellusererror ", 14)) {
7512 if(message[14] == '\\' && message[15] == '\\')
7513 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
7514 DisplayError(message + 14, 0);
7517 if (!strncmp(message, "tellopponent ", 13)) {
7518 if (appData.icsActive) {
7520 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7524 DisplayNote(message + 13);
7528 if (!strncmp(message, "tellothers ", 11)) {
7529 if (appData.icsActive) {
7531 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7537 if (!strncmp(message, "tellall ", 8)) {
7538 if (appData.icsActive) {
7540 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7544 DisplayNote(message + 8);
7548 if (strncmp(message, "warning", 7) == 0) {
7549 /* Undocumented feature, use tellusererror in new code */
7550 DisplayError(message, 0);
7553 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7554 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
7555 strcat(realname, " query");
7556 AskQuestion(realname, buf2, buf1, cps->pr);
7559 /* Commands from the engine directly to ICS. We don't allow these to be
7560 * sent until we are logged on. Crafty kibitzes have been known to
7561 * interfere with the login process.
7564 if (!strncmp(message, "tellics ", 8)) {
7565 SendToICS(message + 8);
7569 if (!strncmp(message, "tellicsnoalias ", 15)) {
7570 SendToICS(ics_prefix);
7571 SendToICS(message + 15);
7575 /* The following are for backward compatibility only */
7576 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7577 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7578 SendToICS(ics_prefix);
7584 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7588 * If the move is illegal, cancel it and redraw the board.
7589 * Also deal with other error cases. Matching is rather loose
7590 * here to accommodate engines written before the spec.
7592 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7593 strncmp(message, "Error", 5) == 0) {
7594 if (StrStr(message, "name") ||
7595 StrStr(message, "rating") || StrStr(message, "?") ||
7596 StrStr(message, "result") || StrStr(message, "board") ||
7597 StrStr(message, "bk") || StrStr(message, "computer") ||
7598 StrStr(message, "variant") || StrStr(message, "hint") ||
7599 StrStr(message, "random") || StrStr(message, "depth") ||
7600 StrStr(message, "accepted")) {
7603 if (StrStr(message, "protover")) {
7604 /* Program is responding to input, so it's apparently done
7605 initializing, and this error message indicates it is
7606 protocol version 1. So we don't need to wait any longer
7607 for it to initialize and send feature commands. */
7608 FeatureDone(cps, 1);
7609 cps->protocolVersion = 1;
7612 cps->maybeThinking = FALSE;
7614 if (StrStr(message, "draw")) {
7615 /* Program doesn't have "draw" command */
7616 cps->sendDrawOffers = 0;
7619 if (cps->sendTime != 1 &&
7620 (StrStr(message, "time") || StrStr(message, "otim"))) {
7621 /* Program apparently doesn't have "time" or "otim" command */
7625 if (StrStr(message, "analyze")) {
7626 cps->analysisSupport = FALSE;
7627 cps->analyzing = FALSE;
7629 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
7630 DisplayError(buf2, 0);
7633 if (StrStr(message, "(no matching move)st")) {
7634 /* Special kludge for GNU Chess 4 only */
7635 cps->stKludge = TRUE;
7636 SendTimeControl(cps, movesPerSession, timeControl,
7637 timeIncrement, appData.searchDepth,
7641 if (StrStr(message, "(no matching move)sd")) {
7642 /* Special kludge for GNU Chess 4 only */
7643 cps->sdKludge = TRUE;
7644 SendTimeControl(cps, movesPerSession, timeControl,
7645 timeIncrement, appData.searchDepth,
7649 if (!StrStr(message, "llegal")) {
7652 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7653 gameMode == IcsIdle) return;
7654 if (forwardMostMove <= backwardMostMove) return;
7655 if (pausing) PauseEvent();
7656 if(appData.forceIllegal) {
7657 // [HGM] illegal: machine refused move; force position after move into it
7658 SendToProgram("force\n", cps);
7659 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7660 // we have a real problem now, as SendBoard will use the a2a3 kludge
7661 // when black is to move, while there might be nothing on a2 or black
7662 // might already have the move. So send the board as if white has the move.
7663 // But first we must change the stm of the engine, as it refused the last move
7664 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7665 if(WhiteOnMove(forwardMostMove)) {
7666 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7667 SendBoard(cps, forwardMostMove); // kludgeless board
7669 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7670 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7671 SendBoard(cps, forwardMostMove+1); // kludgeless board
7673 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7674 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7675 gameMode == TwoMachinesPlay)
7676 SendToProgram("go\n", cps);
7679 if (gameMode == PlayFromGameFile) {
7680 /* Stop reading this game file */
7681 gameMode = EditGame;
7684 currentMove = forwardMostMove-1;
7685 DisplayMove(currentMove-1); /* before DisplayMoveError */
7686 SwitchClocks(forwardMostMove-1); // [HGM] race
7687 DisplayBothClocks();
7688 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
7689 parseList[currentMove], cps->which);
7690 DisplayMoveError(buf1);
7691 DrawPosition(FALSE, boards[currentMove]);
7693 /* [HGM] illegal-move claim should forfeit game when Xboard */
7694 /* only passes fully legal moves */
7695 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7696 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7697 "False illegal-move claim", GE_XBOARD );
7701 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7702 /* Program has a broken "time" command that
7703 outputs a string not ending in newline.
7709 * If chess program startup fails, exit with an error message.
7710 * Attempts to recover here are futile.
7712 if ((StrStr(message, "unknown host") != NULL)
7713 || (StrStr(message, "No remote directory") != NULL)
7714 || (StrStr(message, "not found") != NULL)
7715 || (StrStr(message, "No such file") != NULL)
7716 || (StrStr(message, "can't alloc") != NULL)
7717 || (StrStr(message, "Permission denied") != NULL)) {
7719 cps->maybeThinking = FALSE;
7720 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7721 cps->which, cps->program, cps->host, message);
7722 RemoveInputSource(cps->isr);
7723 DisplayFatalError(buf1, 0, 1);
7728 * Look for hint output
7730 if (sscanf(message, "Hint: %s", buf1) == 1) {
7731 if (cps == &first && hintRequested) {
7732 hintRequested = FALSE;
7733 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7734 &fromX, &fromY, &toX, &toY, &promoChar)) {
7735 (void) CoordsToAlgebraic(boards[forwardMostMove],
7736 PosFlags(forwardMostMove),
7737 fromY, fromX, toY, toX, promoChar, buf1);
7738 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7739 DisplayInformation(buf2);
7741 /* Hint move could not be parsed!? */
7742 snprintf(buf2, sizeof(buf2),
7743 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7745 DisplayError(buf2, 0);
7748 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
7754 * Ignore other messages if game is not in progress
7756 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7757 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7760 * look for win, lose, draw, or draw offer
7762 if (strncmp(message, "1-0", 3) == 0) {
7763 char *p, *q, *r = "";
7764 p = strchr(message, '{');
7772 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7774 } else if (strncmp(message, "0-1", 3) == 0) {
7775 char *p, *q, *r = "";
7776 p = strchr(message, '{');
7784 /* Kludge for Arasan 4.1 bug */
7785 if (strcmp(r, "Black resigns") == 0) {
7786 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7789 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7791 } else if (strncmp(message, "1/2", 3) == 0) {
7792 char *p, *q, *r = "";
7793 p = strchr(message, '{');
7802 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7805 } else if (strncmp(message, "White resign", 12) == 0) {
7806 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7808 } else if (strncmp(message, "Black resign", 12) == 0) {
7809 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7811 } else if (strncmp(message, "White matches", 13) == 0 ||
7812 strncmp(message, "Black matches", 13) == 0 ) {
7813 /* [HGM] ignore GNUShogi noises */
7815 } else if (strncmp(message, "White", 5) == 0 &&
7816 message[5] != '(' &&
7817 StrStr(message, "Black") == NULL) {
7818 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7820 } else if (strncmp(message, "Black", 5) == 0 &&
7821 message[5] != '(') {
7822 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7824 } else if (strcmp(message, "resign") == 0 ||
7825 strcmp(message, "computer resigns") == 0) {
7827 case MachinePlaysBlack:
7828 case IcsPlayingBlack:
7829 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7831 case MachinePlaysWhite:
7832 case IcsPlayingWhite:
7833 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7835 case TwoMachinesPlay:
7836 if (cps->twoMachinesColor[0] == 'w')
7837 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7839 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7846 } else if (strncmp(message, "opponent mates", 14) == 0) {
7848 case MachinePlaysBlack:
7849 case IcsPlayingBlack:
7850 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7852 case MachinePlaysWhite:
7853 case IcsPlayingWhite:
7854 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7856 case TwoMachinesPlay:
7857 if (cps->twoMachinesColor[0] == 'w')
7858 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7860 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7867 } else if (strncmp(message, "computer mates", 14) == 0) {
7869 case MachinePlaysBlack:
7870 case IcsPlayingBlack:
7871 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7873 case MachinePlaysWhite:
7874 case IcsPlayingWhite:
7875 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7877 case TwoMachinesPlay:
7878 if (cps->twoMachinesColor[0] == 'w')
7879 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7881 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7888 } else if (strncmp(message, "checkmate", 9) == 0) {
7889 if (WhiteOnMove(forwardMostMove)) {
7890 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7892 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7895 } else if (strstr(message, "Draw") != NULL ||
7896 strstr(message, "game is a draw") != NULL) {
7897 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7899 } else if (strstr(message, "offer") != NULL &&
7900 strstr(message, "draw") != NULL) {
7902 if (appData.zippyPlay && first.initDone) {
7903 /* Relay offer to ICS */
7904 SendToICS(ics_prefix);
7905 SendToICS("draw\n");
7908 cps->offeredDraw = 2; /* valid until this engine moves twice */
7909 if (gameMode == TwoMachinesPlay) {
7910 if (cps->other->offeredDraw) {
7911 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7912 /* [HGM] in two-machine mode we delay relaying draw offer */
7913 /* until after we also have move, to see if it is really claim */
7915 } else if (gameMode == MachinePlaysWhite ||
7916 gameMode == MachinePlaysBlack) {
7917 if (userOfferedDraw) {
7918 DisplayInformation(_("Machine accepts your draw offer"));
7919 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7921 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7928 * Look for thinking output
7930 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7931 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7933 int plylev, mvleft, mvtot, curscore, time;
7934 char mvname[MOVE_LEN];
7938 int prefixHint = FALSE;
7939 mvname[0] = NULLCHAR;
7942 case MachinePlaysBlack:
7943 case IcsPlayingBlack:
7944 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7946 case MachinePlaysWhite:
7947 case IcsPlayingWhite:
7948 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7953 case IcsObserving: /* [DM] icsEngineAnalyze */
7954 if (!appData.icsEngineAnalyze) ignore = TRUE;
7956 case TwoMachinesPlay:
7957 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7967 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7969 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7970 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7972 if (plyext != ' ' && plyext != '\t') {
7976 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7977 if( cps->scoreIsAbsolute &&
7978 ( gameMode == MachinePlaysBlack ||
7979 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7980 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7981 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7982 !WhiteOnMove(currentMove)
7985 curscore = -curscore;
7989 tempStats.depth = plylev;
7990 tempStats.nodes = nodes;
7991 tempStats.time = time;
7992 tempStats.score = curscore;
7993 tempStats.got_only_move = 0;
7995 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7998 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7999 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8000 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8001 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8002 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8003 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8004 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8005 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8008 /* Buffer overflow protection */
8009 if (buf1[0] != NULLCHAR) {
8010 if (strlen(buf1) >= sizeof(tempStats.movelist)
8011 && appData.debugMode) {
8013 "PV is too long; using the first %u bytes.\n",
8014 (unsigned) sizeof(tempStats.movelist) - 1);
8017 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8019 sprintf(tempStats.movelist, " no PV\n");
8022 if (tempStats.seen_stat) {
8023 tempStats.ok_to_send = 1;
8026 if (strchr(tempStats.movelist, '(') != NULL) {
8027 tempStats.line_is_book = 1;
8028 tempStats.nr_moves = 0;
8029 tempStats.moves_left = 0;
8031 tempStats.line_is_book = 0;
8034 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8035 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8037 SendProgramStatsToFrontend( cps, &tempStats );
8040 [AS] Protect the thinkOutput buffer from overflow... this
8041 is only useful if buf1 hasn't overflowed first!
8043 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8045 (gameMode == TwoMachinesPlay ?
8046 ToUpper(cps->twoMachinesColor[0]) : ' '),
8047 ((double) curscore) / 100.0,
8048 prefixHint ? lastHint : "",
8049 prefixHint ? " " : "" );
8051 if( buf1[0] != NULLCHAR ) {
8052 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8054 if( strlen(buf1) > max_len ) {
8055 if( appData.debugMode) {
8056 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8058 buf1[max_len+1] = '\0';
8061 strcat( thinkOutput, buf1 );
8064 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8065 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8066 DisplayMove(currentMove - 1);
8070 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8071 /* crafty (9.25+) says "(only move) <move>"
8072 * if there is only 1 legal move
8074 sscanf(p, "(only move) %s", buf1);
8075 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8076 sprintf(programStats.movelist, "%s (only move)", buf1);
8077 programStats.depth = 1;
8078 programStats.nr_moves = 1;
8079 programStats.moves_left = 1;
8080 programStats.nodes = 1;
8081 programStats.time = 1;
8082 programStats.got_only_move = 1;
8084 /* Not really, but we also use this member to
8085 mean "line isn't going to change" (Crafty
8086 isn't searching, so stats won't change) */
8087 programStats.line_is_book = 1;
8089 SendProgramStatsToFrontend( cps, &programStats );
8091 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8092 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8093 DisplayMove(currentMove - 1);
8096 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8097 &time, &nodes, &plylev, &mvleft,
8098 &mvtot, mvname) >= 5) {
8099 /* The stat01: line is from Crafty (9.29+) in response
8100 to the "." command */
8101 programStats.seen_stat = 1;
8102 cps->maybeThinking = TRUE;
8104 if (programStats.got_only_move || !appData.periodicUpdates)
8107 programStats.depth = plylev;
8108 programStats.time = time;
8109 programStats.nodes = nodes;
8110 programStats.moves_left = mvleft;
8111 programStats.nr_moves = mvtot;
8112 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8113 programStats.ok_to_send = 1;
8114 programStats.movelist[0] = '\0';
8116 SendProgramStatsToFrontend( cps, &programStats );
8120 } else if (strncmp(message,"++",2) == 0) {
8121 /* Crafty 9.29+ outputs this */
8122 programStats.got_fail = 2;
8125 } else if (strncmp(message,"--",2) == 0) {
8126 /* Crafty 9.29+ outputs this */
8127 programStats.got_fail = 1;
8130 } else if (thinkOutput[0] != NULLCHAR &&
8131 strncmp(message, " ", 4) == 0) {
8132 unsigned message_len;
8135 while (*p && *p == ' ') p++;
8137 message_len = strlen( p );
8139 /* [AS] Avoid buffer overflow */
8140 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8141 strcat(thinkOutput, " ");
8142 strcat(thinkOutput, p);
8145 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8146 strcat(programStats.movelist, " ");
8147 strcat(programStats.movelist, p);
8150 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8151 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8152 DisplayMove(currentMove - 1);
8160 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8161 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8163 ChessProgramStats cpstats;
8165 if (plyext != ' ' && plyext != '\t') {
8169 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8170 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8171 curscore = -curscore;
8174 cpstats.depth = plylev;
8175 cpstats.nodes = nodes;
8176 cpstats.time = time;
8177 cpstats.score = curscore;
8178 cpstats.got_only_move = 0;
8179 cpstats.movelist[0] = '\0';
8181 if (buf1[0] != NULLCHAR) {
8182 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8185 cpstats.ok_to_send = 0;
8186 cpstats.line_is_book = 0;
8187 cpstats.nr_moves = 0;
8188 cpstats.moves_left = 0;
8190 SendProgramStatsToFrontend( cps, &cpstats );
8197 /* Parse a game score from the character string "game", and
8198 record it as the history of the current game. The game
8199 score is NOT assumed to start from the standard position.
8200 The display is not updated in any way.
8203 ParseGameHistory(game)
8207 int fromX, fromY, toX, toY, boardIndex;
8212 if (appData.debugMode)
8213 fprintf(debugFP, "Parsing game history: %s\n", game);
8215 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8216 gameInfo.site = StrSave(appData.icsHost);
8217 gameInfo.date = PGNDate();
8218 gameInfo.round = StrSave("-");
8220 /* Parse out names of players */
8221 while (*game == ' ') game++;
8223 while (*game != ' ') *p++ = *game++;
8225 gameInfo.white = StrSave(buf);
8226 while (*game == ' ') game++;
8228 while (*game != ' ' && *game != '\n') *p++ = *game++;
8230 gameInfo.black = StrSave(buf);
8233 boardIndex = blackPlaysFirst ? 1 : 0;
8236 yyboardindex = boardIndex;
8237 moveType = (ChessMove) Myylex();
8239 case IllegalMove: /* maybe suicide chess, etc. */
8240 if (appData.debugMode) {
8241 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8242 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8243 setbuf(debugFP, NULL);
8245 case WhitePromotion:
8246 case BlackPromotion:
8247 case WhiteNonPromotion:
8248 case BlackNonPromotion:
8250 case WhiteCapturesEnPassant:
8251 case BlackCapturesEnPassant:
8252 case WhiteKingSideCastle:
8253 case WhiteQueenSideCastle:
8254 case BlackKingSideCastle:
8255 case BlackQueenSideCastle:
8256 case WhiteKingSideCastleWild:
8257 case WhiteQueenSideCastleWild:
8258 case BlackKingSideCastleWild:
8259 case BlackQueenSideCastleWild:
8261 case WhiteHSideCastleFR:
8262 case WhiteASideCastleFR:
8263 case BlackHSideCastleFR:
8264 case BlackASideCastleFR:
8266 fromX = currentMoveString[0] - AAA;
8267 fromY = currentMoveString[1] - ONE;
8268 toX = currentMoveString[2] - AAA;
8269 toY = currentMoveString[3] - ONE;
8270 promoChar = currentMoveString[4];
8274 fromX = moveType == WhiteDrop ?
8275 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8276 (int) CharToPiece(ToLower(currentMoveString[0]));
8278 toX = currentMoveString[2] - AAA;
8279 toY = currentMoveString[3] - ONE;
8280 promoChar = NULLCHAR;
8284 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8285 if (appData.debugMode) {
8286 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8287 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8288 setbuf(debugFP, NULL);
8290 DisplayError(buf, 0);
8292 case ImpossibleMove:
8294 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8295 if (appData.debugMode) {
8296 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8297 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8298 setbuf(debugFP, NULL);
8300 DisplayError(buf, 0);
8303 if (boardIndex < backwardMostMove) {
8304 /* Oops, gap. How did that happen? */
8305 DisplayError(_("Gap in move list"), 0);
8308 backwardMostMove = blackPlaysFirst ? 1 : 0;
8309 if (boardIndex > forwardMostMove) {
8310 forwardMostMove = boardIndex;
8314 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8315 strcat(parseList[boardIndex-1], " ");
8316 strcat(parseList[boardIndex-1], yy_text);
8328 case GameUnfinished:
8329 if (gameMode == IcsExamining) {
8330 if (boardIndex < backwardMostMove) {
8331 /* Oops, gap. How did that happen? */
8334 backwardMostMove = blackPlaysFirst ? 1 : 0;
8337 gameInfo.result = moveType;
8338 p = strchr(yy_text, '{');
8339 if (p == NULL) p = strchr(yy_text, '(');
8342 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8344 q = strchr(p, *p == '{' ? '}' : ')');
8345 if (q != NULL) *q = NULLCHAR;
8348 gameInfo.resultDetails = StrSave(p);
8351 if (boardIndex >= forwardMostMove &&
8352 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8353 backwardMostMove = blackPlaysFirst ? 1 : 0;
8356 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8357 fromY, fromX, toY, toX, promoChar,
8358 parseList[boardIndex]);
8359 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8360 /* currentMoveString is set as a side-effect of yylex */
8361 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8362 strcat(moveList[boardIndex], "\n");
8364 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8365 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8371 if(gameInfo.variant != VariantShogi)
8372 strcat(parseList[boardIndex - 1], "+");
8376 strcat(parseList[boardIndex - 1], "#");
8383 /* Apply a move to the given board */
8385 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8386 int fromX, fromY, toX, toY;
8390 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8391 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8393 /* [HGM] compute & store e.p. status and castling rights for new position */
8394 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8396 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8397 oldEP = (signed char)board[EP_STATUS];
8398 board[EP_STATUS] = EP_NONE;
8400 if( board[toY][toX] != EmptySquare )
8401 board[EP_STATUS] = EP_CAPTURE;
8403 if (fromY == DROP_RANK) {
8405 piece = board[toY][toX] = (ChessSquare) fromX;
8409 if( board[fromY][fromX] == WhitePawn ) {
8410 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8411 board[EP_STATUS] = EP_PAWN_MOVE;
8413 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8414 gameInfo.variant != VariantBerolina || toX < fromX)
8415 board[EP_STATUS] = toX | berolina;
8416 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8417 gameInfo.variant != VariantBerolina || toX > fromX)
8418 board[EP_STATUS] = toX;
8421 if( board[fromY][fromX] == BlackPawn ) {
8422 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8423 board[EP_STATUS] = EP_PAWN_MOVE;
8424 if( toY-fromY== -2) {
8425 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8426 gameInfo.variant != VariantBerolina || toX < fromX)
8427 board[EP_STATUS] = toX | berolina;
8428 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8429 gameInfo.variant != VariantBerolina || toX > fromX)
8430 board[EP_STATUS] = toX;
8434 for(i=0; i<nrCastlingRights; i++) {
8435 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8436 board[CASTLING][i] == toX && castlingRank[i] == toY
8437 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8440 if (fromX == toX && fromY == toY) return;
8442 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8443 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8444 if(gameInfo.variant == VariantKnightmate)
8445 king += (int) WhiteUnicorn - (int) WhiteKing;
8447 /* Code added by Tord: */
8448 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
8449 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
8450 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
8451 board[fromY][fromX] = EmptySquare;
8452 board[toY][toX] = EmptySquare;
8453 if((toX > fromX) != (piece == WhiteRook)) {
8454 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8456 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8458 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
8459 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
8460 board[fromY][fromX] = EmptySquare;
8461 board[toY][toX] = EmptySquare;
8462 if((toX > fromX) != (piece == BlackRook)) {
8463 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8465 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8467 /* End of code added by Tord */
8469 } else if (board[fromY][fromX] == king
8470 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8471 && toY == fromY && toX > fromX+1) {
8472 board[fromY][fromX] = EmptySquare;
8473 board[toY][toX] = king;
8474 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8475 board[fromY][BOARD_RGHT-1] = EmptySquare;
8476 } else if (board[fromY][fromX] == king
8477 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8478 && toY == fromY && toX < fromX-1) {
8479 board[fromY][fromX] = EmptySquare;
8480 board[toY][toX] = king;
8481 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8482 board[fromY][BOARD_LEFT] = EmptySquare;
8483 } else if (board[fromY][fromX] == WhitePawn
8484 && toY >= BOARD_HEIGHT-promoRank
8485 && gameInfo.variant != VariantXiangqi
8487 /* white pawn promotion */
8488 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8489 if (board[toY][toX] == EmptySquare) {
8490 board[toY][toX] = WhiteQueen;
8492 if(gameInfo.variant==VariantBughouse ||
8493 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8494 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8495 board[fromY][fromX] = EmptySquare;
8496 } else if ((fromY == BOARD_HEIGHT-4)
8498 && gameInfo.variant != VariantXiangqi
8499 && gameInfo.variant != VariantBerolina
8500 && (board[fromY][fromX] == WhitePawn)
8501 && (board[toY][toX] == EmptySquare)) {
8502 board[fromY][fromX] = EmptySquare;
8503 board[toY][toX] = WhitePawn;
8504 captured = board[toY - 1][toX];
8505 board[toY - 1][toX] = EmptySquare;
8506 } else if ((fromY == BOARD_HEIGHT-4)
8508 && gameInfo.variant == VariantBerolina
8509 && (board[fromY][fromX] == WhitePawn)
8510 && (board[toY][toX] == EmptySquare)) {
8511 board[fromY][fromX] = EmptySquare;
8512 board[toY][toX] = WhitePawn;
8513 if(oldEP & EP_BEROLIN_A) {
8514 captured = board[fromY][fromX-1];
8515 board[fromY][fromX-1] = EmptySquare;
8516 }else{ captured = board[fromY][fromX+1];
8517 board[fromY][fromX+1] = EmptySquare;
8519 } else if (board[fromY][fromX] == king
8520 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8521 && toY == fromY && toX > fromX+1) {
8522 board[fromY][fromX] = EmptySquare;
8523 board[toY][toX] = king;
8524 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8525 board[fromY][BOARD_RGHT-1] = EmptySquare;
8526 } else if (board[fromY][fromX] == king
8527 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8528 && toY == fromY && toX < fromX-1) {
8529 board[fromY][fromX] = EmptySquare;
8530 board[toY][toX] = king;
8531 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8532 board[fromY][BOARD_LEFT] = EmptySquare;
8533 } else if (fromY == 7 && fromX == 3
8534 && board[fromY][fromX] == BlackKing
8535 && toY == 7 && toX == 5) {
8536 board[fromY][fromX] = EmptySquare;
8537 board[toY][toX] = BlackKing;
8538 board[fromY][7] = EmptySquare;
8539 board[toY][4] = BlackRook;
8540 } else if (fromY == 7 && fromX == 3
8541 && board[fromY][fromX] == BlackKing
8542 && toY == 7 && toX == 1) {
8543 board[fromY][fromX] = EmptySquare;
8544 board[toY][toX] = BlackKing;
8545 board[fromY][0] = EmptySquare;
8546 board[toY][2] = BlackRook;
8547 } else if (board[fromY][fromX] == BlackPawn
8549 && gameInfo.variant != VariantXiangqi
8551 /* black pawn promotion */
8552 board[toY][toX] = CharToPiece(ToLower(promoChar));
8553 if (board[toY][toX] == EmptySquare) {
8554 board[toY][toX] = BlackQueen;
8556 if(gameInfo.variant==VariantBughouse ||
8557 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8558 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8559 board[fromY][fromX] = EmptySquare;
8560 } else if ((fromY == 3)
8562 && gameInfo.variant != VariantXiangqi
8563 && gameInfo.variant != VariantBerolina
8564 && (board[fromY][fromX] == BlackPawn)
8565 && (board[toY][toX] == EmptySquare)) {
8566 board[fromY][fromX] = EmptySquare;
8567 board[toY][toX] = BlackPawn;
8568 captured = board[toY + 1][toX];
8569 board[toY + 1][toX] = EmptySquare;
8570 } else if ((fromY == 3)
8572 && gameInfo.variant == VariantBerolina
8573 && (board[fromY][fromX] == BlackPawn)
8574 && (board[toY][toX] == EmptySquare)) {
8575 board[fromY][fromX] = EmptySquare;
8576 board[toY][toX] = BlackPawn;
8577 if(oldEP & EP_BEROLIN_A) {
8578 captured = board[fromY][fromX-1];
8579 board[fromY][fromX-1] = EmptySquare;
8580 }else{ captured = board[fromY][fromX+1];
8581 board[fromY][fromX+1] = EmptySquare;
8584 board[toY][toX] = board[fromY][fromX];
8585 board[fromY][fromX] = EmptySquare;
8589 if (gameInfo.holdingsWidth != 0) {
8591 /* !!A lot more code needs to be written to support holdings */
8592 /* [HGM] OK, so I have written it. Holdings are stored in the */
8593 /* penultimate board files, so they are automaticlly stored */
8594 /* in the game history. */
8595 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
8596 && promoChar && piece != WhitePawn && piece != BlackPawn) {
8597 /* Delete from holdings, by decreasing count */
8598 /* and erasing image if necessary */
8599 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
8600 if(p < (int) BlackPawn) { /* white drop */
8601 p -= (int)WhitePawn;
8602 p = PieceToNumber((ChessSquare)p);
8603 if(p >= gameInfo.holdingsSize) p = 0;
8604 if(--board[p][BOARD_WIDTH-2] <= 0)
8605 board[p][BOARD_WIDTH-1] = EmptySquare;
8606 if((int)board[p][BOARD_WIDTH-2] < 0)
8607 board[p][BOARD_WIDTH-2] = 0;
8608 } else { /* black drop */
8609 p -= (int)BlackPawn;
8610 p = PieceToNumber((ChessSquare)p);
8611 if(p >= gameInfo.holdingsSize) p = 0;
8612 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8613 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8614 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8615 board[BOARD_HEIGHT-1-p][1] = 0;
8618 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8619 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
8620 /* [HGM] holdings: Add to holdings, if holdings exist */
8621 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8622 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8623 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8626 if (p >= (int) BlackPawn) {
8627 p -= (int)BlackPawn;
8628 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8629 /* in Shogi restore piece to its original first */
8630 captured = (ChessSquare) (DEMOTED captured);
8633 p = PieceToNumber((ChessSquare)p);
8634 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8635 board[p][BOARD_WIDTH-2]++;
8636 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8638 p -= (int)WhitePawn;
8639 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8640 captured = (ChessSquare) (DEMOTED captured);
8643 p = PieceToNumber((ChessSquare)p);
8644 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8645 board[BOARD_HEIGHT-1-p][1]++;
8646 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8649 } else if (gameInfo.variant == VariantAtomic) {
8650 if (captured != EmptySquare) {
8652 for (y = toY-1; y <= toY+1; y++) {
8653 for (x = toX-1; x <= toX+1; x++) {
8654 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8655 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8656 board[y][x] = EmptySquare;
8660 board[toY][toX] = EmptySquare;
8663 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
8664 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
8666 if(promoChar == '+') {
8667 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
8668 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8669 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
8670 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
8672 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8673 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8674 // [HGM] superchess: take promotion piece out of holdings
8675 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8676 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8677 if(!--board[k][BOARD_WIDTH-2])
8678 board[k][BOARD_WIDTH-1] = EmptySquare;
8680 if(!--board[BOARD_HEIGHT-1-k][1])
8681 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8687 /* Updates forwardMostMove */
8689 MakeMove(fromX, fromY, toX, toY, promoChar)
8690 int fromX, fromY, toX, toY;
8693 // forwardMostMove++; // [HGM] bare: moved downstream
8695 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8696 int timeLeft; static int lastLoadFlag=0; int king, piece;
8697 piece = boards[forwardMostMove][fromY][fromX];
8698 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8699 if(gameInfo.variant == VariantKnightmate)
8700 king += (int) WhiteUnicorn - (int) WhiteKing;
8701 if(forwardMostMove == 0) {
8703 fprintf(serverMoves, "%s;", second.tidy);
8704 fprintf(serverMoves, "%s;", first.tidy);
8705 if(!blackPlaysFirst)
8706 fprintf(serverMoves, "%s;", second.tidy);
8707 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8708 lastLoadFlag = loadFlag;
8710 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8711 // print castling suffix
8712 if( toY == fromY && piece == king ) {
8714 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8716 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8719 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8720 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8721 boards[forwardMostMove][toY][toX] == EmptySquare
8722 && fromX != toX && fromY != toY)
8723 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8725 if(promoChar != NULLCHAR)
8726 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8728 fprintf(serverMoves, "/%d/%d",
8729 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8730 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8731 else timeLeft = blackTimeRemaining/1000;
8732 fprintf(serverMoves, "/%d", timeLeft);
8734 fflush(serverMoves);
8737 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8738 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8742 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8743 if (commentList[forwardMostMove+1] != NULL) {
8744 free(commentList[forwardMostMove+1]);
8745 commentList[forwardMostMove+1] = NULL;
8747 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8748 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8749 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8750 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8751 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8752 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8753 gameInfo.result = GameUnfinished;
8754 if (gameInfo.resultDetails != NULL) {
8755 free(gameInfo.resultDetails);
8756 gameInfo.resultDetails = NULL;
8758 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8759 moveList[forwardMostMove - 1]);
8760 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8761 PosFlags(forwardMostMove - 1),
8762 fromY, fromX, toY, toX, promoChar,
8763 parseList[forwardMostMove - 1]);
8764 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8770 if(gameInfo.variant != VariantShogi)
8771 strcat(parseList[forwardMostMove - 1], "+");
8775 strcat(parseList[forwardMostMove - 1], "#");
8778 if (appData.debugMode) {
8779 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8784 /* Updates currentMove if not pausing */
8786 ShowMove(fromX, fromY, toX, toY)
8788 int instant = (gameMode == PlayFromGameFile) ?
8789 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8790 if(appData.noGUI) return;
8791 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8793 if (forwardMostMove == currentMove + 1) {
8794 AnimateMove(boards[forwardMostMove - 1],
8795 fromX, fromY, toX, toY);
8797 if (appData.highlightLastMove) {
8798 SetHighlights(fromX, fromY, toX, toY);
8801 currentMove = forwardMostMove;
8804 if (instant) return;
8806 DisplayMove(currentMove - 1);
8807 DrawPosition(FALSE, boards[currentMove]);
8808 DisplayBothClocks();
8809 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8812 void SendEgtPath(ChessProgramState *cps)
8813 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8814 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8816 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8819 char c, *q = name+1, *r, *s;
8821 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8822 while(*p && *p != ',') *q++ = *p++;
8824 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8825 strcmp(name, ",nalimov:") == 0 ) {
8826 // take nalimov path from the menu-changeable option first, if it is defined
8827 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8828 SendToProgram(buf,cps); // send egtbpath command for nalimov
8830 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8831 (s = StrStr(appData.egtFormats, name)) != NULL) {
8832 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8833 s = r = StrStr(s, ":") + 1; // beginning of path info
8834 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8835 c = *r; *r = 0; // temporarily null-terminate path info
8836 *--q = 0; // strip of trailig ':' from name
8837 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
8839 SendToProgram(buf,cps); // send egtbpath command for this format
8841 if(*p == ',') p++; // read away comma to position for next format name
8846 InitChessProgram(cps, setup)
8847 ChessProgramState *cps;
8848 int setup; /* [HGM] needed to setup FRC opening position */
8850 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8851 if (appData.noChessProgram) return;
8852 hintRequested = FALSE;
8853 bookRequested = FALSE;
8855 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8856 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8857 if(cps->memSize) { /* [HGM] memory */
8858 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8859 SendToProgram(buf, cps);
8861 SendEgtPath(cps); /* [HGM] EGT */
8862 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8863 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
8864 SendToProgram(buf, cps);
8867 SendToProgram(cps->initString, cps);
8868 if (gameInfo.variant != VariantNormal &&
8869 gameInfo.variant != VariantLoadable
8870 /* [HGM] also send variant if board size non-standard */
8871 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8873 char *v = VariantName(gameInfo.variant);
8874 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8875 /* [HGM] in protocol 1 we have to assume all variants valid */
8876 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
8877 DisplayFatalError(buf, 0, 1);
8881 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8882 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8883 if( gameInfo.variant == VariantXiangqi )
8884 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8885 if( gameInfo.variant == VariantShogi )
8886 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8887 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8888 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8889 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8890 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8891 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8892 if( gameInfo.variant == VariantCourier )
8893 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8894 if( gameInfo.variant == VariantSuper )
8895 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8896 if( gameInfo.variant == VariantGreat )
8897 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8900 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8901 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8902 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8903 if(StrStr(cps->variants, b) == NULL) {
8904 // specific sized variant not known, check if general sizing allowed
8905 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8906 if(StrStr(cps->variants, "boardsize") == NULL) {
8907 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
8908 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8909 DisplayFatalError(buf, 0, 1);
8912 /* [HGM] here we really should compare with the maximum supported board size */
8915 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
8916 snprintf(buf, MSG_SIZ, "variant %s\n", b);
8917 SendToProgram(buf, cps);
8919 currentlyInitializedVariant = gameInfo.variant;
8921 /* [HGM] send opening position in FRC to first engine */
8923 SendToProgram("force\n", cps);
8925 /* engine is now in force mode! Set flag to wake it up after first move. */
8926 setboardSpoiledMachineBlack = 1;
8930 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8931 SendToProgram(buf, cps);
8933 cps->maybeThinking = FALSE;
8934 cps->offeredDraw = 0;
8935 if (!appData.icsActive) {
8936 SendTimeControl(cps, movesPerSession, timeControl,
8937 timeIncrement, appData.searchDepth,
8940 if (appData.showThinking
8941 // [HGM] thinking: four options require thinking output to be sent
8942 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8944 SendToProgram("post\n", cps);
8946 SendToProgram("hard\n", cps);
8947 if (!appData.ponderNextMove) {
8948 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8949 it without being sure what state we are in first. "hard"
8950 is not a toggle, so that one is OK.
8952 SendToProgram("easy\n", cps);
8955 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
8956 SendToProgram(buf, cps);
8958 cps->initDone = TRUE;
8963 StartChessProgram(cps)
8964 ChessProgramState *cps;
8969 if (appData.noChessProgram) return;
8970 cps->initDone = FALSE;
8972 if (strcmp(cps->host, "localhost") == 0) {
8973 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8974 } else if (*appData.remoteShell == NULLCHAR) {
8975 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8977 if (*appData.remoteUser == NULLCHAR) {
8978 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8981 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8982 cps->host, appData.remoteUser, cps->program);
8984 err = StartChildProcess(buf, "", &cps->pr);
8988 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
8989 DisplayFatalError(buf, err, 1);
8995 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8996 if (cps->protocolVersion > 1) {
8997 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
8998 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8999 cps->comboCnt = 0; // and values of combo boxes
9000 SendToProgram(buf, cps);
9002 SendToProgram("xboard\n", cps);
9008 TwoMachinesEventIfReady P((void))
9010 if (first.lastPing != first.lastPong) {
9011 DisplayMessage("", _("Waiting for first chess program"));
9012 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9015 if (second.lastPing != second.lastPong) {
9016 DisplayMessage("", _("Waiting for second chess program"));
9017 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9025 NextMatchGame P((void))
9027 int index; /* [HGM] autoinc: step load index during match */
9029 if (*appData.loadGameFile != NULLCHAR) {
9030 index = appData.loadGameIndex;
9031 if(index < 0) { // [HGM] autoinc
9032 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9033 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9035 LoadGameFromFile(appData.loadGameFile,
9037 appData.loadGameFile, FALSE);
9038 } else if (*appData.loadPositionFile != NULLCHAR) {
9039 index = appData.loadPositionIndex;
9040 if(index < 0) { // [HGM] autoinc
9041 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9042 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9044 LoadPositionFromFile(appData.loadPositionFile,
9046 appData.loadPositionFile);
9048 TwoMachinesEventIfReady();
9051 void UserAdjudicationEvent( int result )
9053 ChessMove gameResult = GameIsDrawn;
9056 gameResult = WhiteWins;
9058 else if( result < 0 ) {
9059 gameResult = BlackWins;
9062 if( gameMode == TwoMachinesPlay ) {
9063 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9068 // [HGM] save: calculate checksum of game to make games easily identifiable
9069 int StringCheckSum(char *s)
9072 if(s==NULL) return 0;
9073 while(*s) i = i*259 + *s++;
9080 for(i=backwardMostMove; i<forwardMostMove; i++) {
9081 sum += pvInfoList[i].depth;
9082 sum += StringCheckSum(parseList[i]);
9083 sum += StringCheckSum(commentList[i]);
9086 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9087 return sum + StringCheckSum(commentList[i]);
9088 } // end of save patch
9091 GameEnds(result, resultDetails, whosays)
9093 char *resultDetails;
9096 GameMode nextGameMode;
9098 char buf[MSG_SIZ], popupRequested = 0;
9100 if(endingGame) return; /* [HGM] crash: forbid recursion */
9102 if(twoBoards) { // [HGM] dual: switch back to one board
9103 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9104 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9106 if (appData.debugMode) {
9107 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9108 result, resultDetails ? resultDetails : "(null)", whosays);
9111 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9113 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9114 /* If we are playing on ICS, the server decides when the
9115 game is over, but the engine can offer to draw, claim
9119 if (appData.zippyPlay && first.initDone) {
9120 if (result == GameIsDrawn) {
9121 /* In case draw still needs to be claimed */
9122 SendToICS(ics_prefix);
9123 SendToICS("draw\n");
9124 } else if (StrCaseStr(resultDetails, "resign")) {
9125 SendToICS(ics_prefix);
9126 SendToICS("resign\n");
9130 endingGame = 0; /* [HGM] crash */
9134 /* If we're loading the game from a file, stop */
9135 if (whosays == GE_FILE) {
9136 (void) StopLoadGameTimer();
9140 /* Cancel draw offers */
9141 first.offeredDraw = second.offeredDraw = 0;
9143 /* If this is an ICS game, only ICS can really say it's done;
9144 if not, anyone can. */
9145 isIcsGame = (gameMode == IcsPlayingWhite ||
9146 gameMode == IcsPlayingBlack ||
9147 gameMode == IcsObserving ||
9148 gameMode == IcsExamining);
9150 if (!isIcsGame || whosays == GE_ICS) {
9151 /* OK -- not an ICS game, or ICS said it was done */
9153 if (!isIcsGame && !appData.noChessProgram)
9154 SetUserThinkingEnables();
9156 /* [HGM] if a machine claims the game end we verify this claim */
9157 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9158 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9160 ChessMove trueResult = (ChessMove) -1;
9162 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9163 first.twoMachinesColor[0] :
9164 second.twoMachinesColor[0] ;
9166 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9167 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9168 /* [HGM] verify: engine mate claims accepted if they were flagged */
9169 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9171 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9172 /* [HGM] verify: engine mate claims accepted if they were flagged */
9173 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9175 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9176 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9179 // now verify win claims, but not in drop games, as we don't understand those yet
9180 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9181 || gameInfo.variant == VariantGreat) &&
9182 (result == WhiteWins && claimer == 'w' ||
9183 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9184 if (appData.debugMode) {
9185 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9186 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9188 if(result != trueResult) {
9189 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
9190 result = claimer == 'w' ? BlackWins : WhiteWins;
9191 resultDetails = buf;
9194 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9195 && (forwardMostMove <= backwardMostMove ||
9196 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9197 (claimer=='b')==(forwardMostMove&1))
9199 /* [HGM] verify: draws that were not flagged are false claims */
9200 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
9201 result = claimer == 'w' ? BlackWins : WhiteWins;
9202 resultDetails = buf;
9204 /* (Claiming a loss is accepted no questions asked!) */
9206 /* [HGM] bare: don't allow bare King to win */
9207 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9208 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9209 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9210 && result != GameIsDrawn)
9211 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9212 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9213 int p = (signed char)boards[forwardMostMove][i][j] - color;
9214 if(p >= 0 && p <= (int)WhiteKing) k++;
9216 if (appData.debugMode) {
9217 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9218 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9221 result = GameIsDrawn;
9222 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
9223 resultDetails = buf;
9229 if(serverMoves != NULL && !loadFlag) { char c = '=';
9230 if(result==WhiteWins) c = '+';
9231 if(result==BlackWins) c = '-';
9232 if(resultDetails != NULL)
9233 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9235 if (resultDetails != NULL) {
9236 gameInfo.result = result;
9237 gameInfo.resultDetails = StrSave(resultDetails);
9239 /* display last move only if game was not loaded from file */
9240 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9241 DisplayMove(currentMove - 1);
9243 if (forwardMostMove != 0) {
9244 if (gameMode != PlayFromGameFile && gameMode != EditGame
9245 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9247 if (*appData.saveGameFile != NULLCHAR) {
9248 SaveGameToFile(appData.saveGameFile, TRUE);
9249 } else if (appData.autoSaveGames) {
9252 if (*appData.savePositionFile != NULLCHAR) {
9253 SavePositionToFile(appData.savePositionFile);
9258 /* Tell program how game ended in case it is learning */
9259 /* [HGM] Moved this to after saving the PGN, just in case */
9260 /* engine died and we got here through time loss. In that */
9261 /* case we will get a fatal error writing the pipe, which */
9262 /* would otherwise lose us the PGN. */
9263 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9264 /* output during GameEnds should never be fatal anymore */
9265 if (gameMode == MachinePlaysWhite ||
9266 gameMode == MachinePlaysBlack ||
9267 gameMode == TwoMachinesPlay ||
9268 gameMode == IcsPlayingWhite ||
9269 gameMode == IcsPlayingBlack ||
9270 gameMode == BeginningOfGame) {
9272 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
9274 if (first.pr != NoProc) {
9275 SendToProgram(buf, &first);
9277 if (second.pr != NoProc &&
9278 gameMode == TwoMachinesPlay) {
9279 SendToProgram(buf, &second);
9284 if (appData.icsActive) {
9285 if (appData.quietPlay &&
9286 (gameMode == IcsPlayingWhite ||
9287 gameMode == IcsPlayingBlack)) {
9288 SendToICS(ics_prefix);
9289 SendToICS("set shout 1\n");
9291 nextGameMode = IcsIdle;
9292 ics_user_moved = FALSE;
9293 /* clean up premove. It's ugly when the game has ended and the
9294 * premove highlights are still on the board.
9298 ClearPremoveHighlights();
9299 DrawPosition(FALSE, boards[currentMove]);
9301 if (whosays == GE_ICS) {
9304 if (gameMode == IcsPlayingWhite)
9306 else if(gameMode == IcsPlayingBlack)
9310 if (gameMode == IcsPlayingBlack)
9312 else if(gameMode == IcsPlayingWhite)
9319 PlayIcsUnfinishedSound();
9322 } else if (gameMode == EditGame ||
9323 gameMode == PlayFromGameFile ||
9324 gameMode == AnalyzeMode ||
9325 gameMode == AnalyzeFile) {
9326 nextGameMode = gameMode;
9328 nextGameMode = EndOfGame;
9333 nextGameMode = gameMode;
9336 if (appData.noChessProgram) {
9337 gameMode = nextGameMode;
9339 endingGame = 0; /* [HGM] crash */
9344 /* Put first chess program into idle state */
9345 if (first.pr != NoProc &&
9346 (gameMode == MachinePlaysWhite ||
9347 gameMode == MachinePlaysBlack ||
9348 gameMode == TwoMachinesPlay ||
9349 gameMode == IcsPlayingWhite ||
9350 gameMode == IcsPlayingBlack ||
9351 gameMode == BeginningOfGame)) {
9352 SendToProgram("force\n", &first);
9353 if (first.usePing) {
9355 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
9356 SendToProgram(buf, &first);
9359 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9360 /* Kill off first chess program */
9361 if (first.isr != NULL)
9362 RemoveInputSource(first.isr);
9365 if (first.pr != NoProc) {
9367 DoSleep( appData.delayBeforeQuit );
9368 SendToProgram("quit\n", &first);
9369 DoSleep( appData.delayAfterQuit );
9370 DestroyChildProcess(first.pr, first.useSigterm);
9375 /* Put second chess program into idle state */
9376 if (second.pr != NoProc &&
9377 gameMode == TwoMachinesPlay) {
9378 SendToProgram("force\n", &second);
9379 if (second.usePing) {
9381 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
9382 SendToProgram(buf, &second);
9385 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9386 /* Kill off second chess program */
9387 if (second.isr != NULL)
9388 RemoveInputSource(second.isr);
9391 if (second.pr != NoProc) {
9392 DoSleep( appData.delayBeforeQuit );
9393 SendToProgram("quit\n", &second);
9394 DoSleep( appData.delayAfterQuit );
9395 DestroyChildProcess(second.pr, second.useSigterm);
9400 if (matchMode && gameMode == TwoMachinesPlay) {
9403 if (first.twoMachinesColor[0] == 'w') {
9410 if (first.twoMachinesColor[0] == 'b') {
9419 if (matchGame < appData.matchGames) {
9421 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9422 tmp = first.twoMachinesColor;
9423 first.twoMachinesColor = second.twoMachinesColor;
9424 second.twoMachinesColor = tmp;
9426 gameMode = nextGameMode;
9428 if(appData.matchPause>10000 || appData.matchPause<10)
9429 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9430 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9431 endingGame = 0; /* [HGM] crash */
9434 gameMode = nextGameMode;
9435 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
9436 first.tidy, second.tidy,
9437 first.matchWins, second.matchWins,
9438 appData.matchGames - (first.matchWins + second.matchWins));
9439 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
9442 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9443 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9445 gameMode = nextGameMode;
9447 endingGame = 0; /* [HGM] crash */
9448 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
9449 if(matchMode == TRUE) DisplayFatalError(buf, 0, 0); else {
9450 matchMode = FALSE; appData.matchGames = matchGame = 0;
9456 /* Assumes program was just initialized (initString sent).
9457 Leaves program in force mode. */
9459 FeedMovesToProgram(cps, upto)
9460 ChessProgramState *cps;
9465 if (appData.debugMode)
9466 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9467 startedFromSetupPosition ? "position and " : "",
9468 backwardMostMove, upto, cps->which);
9469 if(currentlyInitializedVariant != gameInfo.variant) {
9471 // [HGM] variantswitch: make engine aware of new variant
9472 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9473 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9474 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
9475 SendToProgram(buf, cps);
9476 currentlyInitializedVariant = gameInfo.variant;
9478 SendToProgram("force\n", cps);
9479 if (startedFromSetupPosition) {
9480 SendBoard(cps, backwardMostMove);
9481 if (appData.debugMode) {
9482 fprintf(debugFP, "feedMoves\n");
9485 for (i = backwardMostMove; i < upto; i++) {
9486 SendMoveToProgram(i, cps);
9492 ResurrectChessProgram()
9494 /* The chess program may have exited.
9495 If so, restart it and feed it all the moves made so far. */
9497 if (appData.noChessProgram || first.pr != NoProc) return;
9499 StartChessProgram(&first);
9500 InitChessProgram(&first, FALSE);
9501 FeedMovesToProgram(&first, currentMove);
9503 if (!first.sendTime) {
9504 /* can't tell gnuchess what its clock should read,
9505 so we bow to its notion. */
9507 timeRemaining[0][currentMove] = whiteTimeRemaining;
9508 timeRemaining[1][currentMove] = blackTimeRemaining;
9511 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9512 appData.icsEngineAnalyze) && first.analysisSupport) {
9513 SendToProgram("analyze\n", &first);
9514 first.analyzing = TRUE;
9527 if (appData.debugMode) {
9528 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9529 redraw, init, gameMode);
9531 CleanupTail(); // [HGM] vari: delete any stored variations
9532 pausing = pauseExamInvalid = FALSE;
9533 startedFromSetupPosition = blackPlaysFirst = FALSE;
9535 whiteFlag = blackFlag = FALSE;
9536 userOfferedDraw = FALSE;
9537 hintRequested = bookRequested = FALSE;
9538 first.maybeThinking = FALSE;
9539 second.maybeThinking = FALSE;
9540 first.bookSuspend = FALSE; // [HGM] book
9541 second.bookSuspend = FALSE;
9542 thinkOutput[0] = NULLCHAR;
9543 lastHint[0] = NULLCHAR;
9544 ClearGameInfo(&gameInfo);
9545 gameInfo.variant = StringToVariant(appData.variant);
9546 ics_user_moved = ics_clock_paused = FALSE;
9547 ics_getting_history = H_FALSE;
9549 white_holding[0] = black_holding[0] = NULLCHAR;
9550 ClearProgramStats();
9551 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9555 flipView = appData.flipView;
9556 ClearPremoveHighlights();
9558 alarmSounded = FALSE;
9560 GameEnds(EndOfFile, NULL, GE_PLAYER);
9561 if(appData.serverMovesName != NULL) {
9562 /* [HGM] prepare to make moves file for broadcasting */
9563 clock_t t = clock();
9564 if(serverMoves != NULL) fclose(serverMoves);
9565 serverMoves = fopen(appData.serverMovesName, "r");
9566 if(serverMoves != NULL) {
9567 fclose(serverMoves);
9568 /* delay 15 sec before overwriting, so all clients can see end */
9569 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9571 serverMoves = fopen(appData.serverMovesName, "w");
9575 gameMode = BeginningOfGame;
9577 if(appData.icsActive) gameInfo.variant = VariantNormal;
9578 currentMove = forwardMostMove = backwardMostMove = 0;
9579 InitPosition(redraw);
9580 for (i = 0; i < MAX_MOVES; i++) {
9581 if (commentList[i] != NULL) {
9582 free(commentList[i]);
9583 commentList[i] = NULL;
9587 timeRemaining[0][0] = whiteTimeRemaining;
9588 timeRemaining[1][0] = blackTimeRemaining;
9589 if (first.pr == NULL) {
9590 StartChessProgram(&first);
9593 InitChessProgram(&first, startedFromSetupPosition);
9596 DisplayMessage("", "");
9597 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9598 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9605 if (!AutoPlayOneMove())
9607 if (matchMode || appData.timeDelay == 0)
9609 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9611 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9620 int fromX, fromY, toX, toY;
9622 if (appData.debugMode) {
9623 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9626 if (gameMode != PlayFromGameFile)
9629 if (currentMove >= forwardMostMove) {
9630 gameMode = EditGame;
9633 /* [AS] Clear current move marker at the end of a game */
9634 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9639 toX = moveList[currentMove][2] - AAA;
9640 toY = moveList[currentMove][3] - ONE;
9642 if (moveList[currentMove][1] == '@') {
9643 if (appData.highlightLastMove) {
9644 SetHighlights(-1, -1, toX, toY);
9647 fromX = moveList[currentMove][0] - AAA;
9648 fromY = moveList[currentMove][1] - ONE;
9650 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9652 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9654 if (appData.highlightLastMove) {
9655 SetHighlights(fromX, fromY, toX, toY);
9658 DisplayMove(currentMove);
9659 SendMoveToProgram(currentMove++, &first);
9660 DisplayBothClocks();
9661 DrawPosition(FALSE, boards[currentMove]);
9662 // [HGM] PV info: always display, routine tests if empty
9663 DisplayComment(currentMove - 1, commentList[currentMove]);
9669 LoadGameOneMove(readAhead)
9670 ChessMove readAhead;
9672 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9673 char promoChar = NULLCHAR;
9678 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9679 gameMode != AnalyzeMode && gameMode != Training) {
9684 yyboardindex = forwardMostMove;
9685 if (readAhead != EndOfFile) {
9686 moveType = readAhead;
9688 if (gameFileFP == NULL)
9690 moveType = (ChessMove) Myylex();
9696 if (appData.debugMode)
9697 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9700 /* append the comment but don't display it */
9701 AppendComment(currentMove, p, FALSE);
9704 case WhiteCapturesEnPassant:
9705 case BlackCapturesEnPassant:
9706 case WhitePromotion:
9707 case BlackPromotion:
9708 case WhiteNonPromotion:
9709 case BlackNonPromotion:
9711 case WhiteKingSideCastle:
9712 case WhiteQueenSideCastle:
9713 case BlackKingSideCastle:
9714 case BlackQueenSideCastle:
9715 case WhiteKingSideCastleWild:
9716 case WhiteQueenSideCastleWild:
9717 case BlackKingSideCastleWild:
9718 case BlackQueenSideCastleWild:
9720 case WhiteHSideCastleFR:
9721 case WhiteASideCastleFR:
9722 case BlackHSideCastleFR:
9723 case BlackASideCastleFR:
9725 if (appData.debugMode)
9726 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9727 fromX = currentMoveString[0] - AAA;
9728 fromY = currentMoveString[1] - ONE;
9729 toX = currentMoveString[2] - AAA;
9730 toY = currentMoveString[3] - ONE;
9731 promoChar = currentMoveString[4];
9736 if (appData.debugMode)
9737 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9738 fromX = moveType == WhiteDrop ?
9739 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9740 (int) CharToPiece(ToLower(currentMoveString[0]));
9742 toX = currentMoveString[2] - AAA;
9743 toY = currentMoveString[3] - ONE;
9749 case GameUnfinished:
9750 if (appData.debugMode)
9751 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9752 p = strchr(yy_text, '{');
9753 if (p == NULL) p = strchr(yy_text, '(');
9756 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9758 q = strchr(p, *p == '{' ? '}' : ')');
9759 if (q != NULL) *q = NULLCHAR;
9762 GameEnds(moveType, p, GE_FILE);
9764 if (cmailMsgLoaded) {
9766 flipView = WhiteOnMove(currentMove);
9767 if (moveType == GameUnfinished) flipView = !flipView;
9768 if (appData.debugMode)
9769 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9774 if (appData.debugMode)
9775 fprintf(debugFP, "Parser hit end of file\n");
9776 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9782 if (WhiteOnMove(currentMove)) {
9783 GameEnds(BlackWins, "Black mates", GE_FILE);
9785 GameEnds(WhiteWins, "White mates", GE_FILE);
9789 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9796 if (lastLoadGameStart == GNUChessGame) {
9797 /* GNUChessGames have numbers, but they aren't move numbers */
9798 if (appData.debugMode)
9799 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9800 yy_text, (int) moveType);
9801 return LoadGameOneMove(EndOfFile); /* tail recursion */
9803 /* else fall thru */
9808 /* Reached start of next game in file */
9809 if (appData.debugMode)
9810 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9811 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9817 if (WhiteOnMove(currentMove)) {
9818 GameEnds(BlackWins, "Black mates", GE_FILE);
9820 GameEnds(WhiteWins, "White mates", GE_FILE);
9824 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9830 case PositionDiagram: /* should not happen; ignore */
9831 case ElapsedTime: /* ignore */
9832 case NAG: /* ignore */
9833 if (appData.debugMode)
9834 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9835 yy_text, (int) moveType);
9836 return LoadGameOneMove(EndOfFile); /* tail recursion */
9839 if (appData.testLegality) {
9840 if (appData.debugMode)
9841 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9842 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9843 (forwardMostMove / 2) + 1,
9844 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9845 DisplayError(move, 0);
9848 if (appData.debugMode)
9849 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9850 yy_text, currentMoveString);
9851 fromX = currentMoveString[0] - AAA;
9852 fromY = currentMoveString[1] - ONE;
9853 toX = currentMoveString[2] - AAA;
9854 toY = currentMoveString[3] - ONE;
9855 promoChar = currentMoveString[4];
9860 if (appData.debugMode)
9861 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9862 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
9863 (forwardMostMove / 2) + 1,
9864 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9865 DisplayError(move, 0);
9870 case ImpossibleMove:
9871 if (appData.debugMode)
9872 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9873 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9874 (forwardMostMove / 2) + 1,
9875 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9876 DisplayError(move, 0);
9882 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9883 DrawPosition(FALSE, boards[currentMove]);
9884 DisplayBothClocks();
9885 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9886 DisplayComment(currentMove - 1, commentList[currentMove]);
9888 (void) StopLoadGameTimer();
9890 cmailOldMove = forwardMostMove;
9893 /* currentMoveString is set as a side-effect of yylex */
9894 strcat(currentMoveString, "\n");
9895 safeStrCpy(moveList[forwardMostMove], currentMoveString, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
9897 thinkOutput[0] = NULLCHAR;
9898 MakeMove(fromX, fromY, toX, toY, promoChar);
9899 currentMove = forwardMostMove;
9904 /* Load the nth game from the given file */
9906 LoadGameFromFile(filename, n, title, useList)
9910 /*Boolean*/ int useList;
9915 if (strcmp(filename, "-") == 0) {
9919 f = fopen(filename, "rb");
9921 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9922 DisplayError(buf, errno);
9926 if (fseek(f, 0, 0) == -1) {
9927 /* f is not seekable; probably a pipe */
9930 if (useList && n == 0) {
9931 int error = GameListBuild(f);
9933 DisplayError(_("Cannot build game list"), error);
9934 } else if (!ListEmpty(&gameList) &&
9935 ((ListGame *) gameList.tailPred)->number > 1) {
9936 GameListPopUp(f, title);
9943 return LoadGame(f, n, title, FALSE);
9948 MakeRegisteredMove()
9950 int fromX, fromY, toX, toY;
9952 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9953 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9956 if (appData.debugMode)
9957 fprintf(debugFP, "Restoring %s for game %d\n",
9958 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9960 thinkOutput[0] = NULLCHAR;
9961 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
9962 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9963 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9964 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9965 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9966 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9967 MakeMove(fromX, fromY, toX, toY, promoChar);
9968 ShowMove(fromX, fromY, toX, toY);
9970 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9977 if (WhiteOnMove(currentMove)) {
9978 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9980 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9985 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9992 if (WhiteOnMove(currentMove)) {
9993 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9995 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
10000 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
10011 /* Wrapper around LoadGame for use when a Cmail message is loaded */
10013 CmailLoadGame(f, gameNumber, title, useList)
10021 if (gameNumber > nCmailGames) {
10022 DisplayError(_("No more games in this message"), 0);
10025 if (f == lastLoadGameFP) {
10026 int offset = gameNumber - lastLoadGameNumber;
10028 cmailMsg[0] = NULLCHAR;
10029 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10030 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10031 nCmailMovesRegistered--;
10033 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10034 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10035 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10038 if (! RegisterMove()) return FALSE;
10042 retVal = LoadGame(f, gameNumber, title, useList);
10044 /* Make move registered during previous look at this game, if any */
10045 MakeRegisteredMove();
10047 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10048 commentList[currentMove]
10049 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10050 DisplayComment(currentMove - 1, commentList[currentMove]);
10056 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10061 int gameNumber = lastLoadGameNumber + offset;
10062 if (lastLoadGameFP == NULL) {
10063 DisplayError(_("No game has been loaded yet"), 0);
10066 if (gameNumber <= 0) {
10067 DisplayError(_("Can't back up any further"), 0);
10070 if (cmailMsgLoaded) {
10071 return CmailLoadGame(lastLoadGameFP, gameNumber,
10072 lastLoadGameTitle, lastLoadGameUseList);
10074 return LoadGame(lastLoadGameFP, gameNumber,
10075 lastLoadGameTitle, lastLoadGameUseList);
10081 /* Load the nth game from open file f */
10083 LoadGame(f, gameNumber, title, useList)
10091 int gn = gameNumber;
10092 ListGame *lg = NULL;
10093 int numPGNTags = 0;
10095 GameMode oldGameMode;
10096 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10098 if (appData.debugMode)
10099 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10101 if (gameMode == Training )
10102 SetTrainingModeOff();
10104 oldGameMode = gameMode;
10105 if (gameMode != BeginningOfGame) {
10106 Reset(FALSE, TRUE);
10110 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10111 fclose(lastLoadGameFP);
10115 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10118 fseek(f, lg->offset, 0);
10119 GameListHighlight(gameNumber);
10123 DisplayError(_("Game number out of range"), 0);
10128 if (fseek(f, 0, 0) == -1) {
10129 if (f == lastLoadGameFP ?
10130 gameNumber == lastLoadGameNumber + 1 :
10134 DisplayError(_("Can't seek on game file"), 0);
10139 lastLoadGameFP = f;
10140 lastLoadGameNumber = gameNumber;
10141 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10142 lastLoadGameUseList = useList;
10146 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10147 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10148 lg->gameInfo.black);
10150 } else if (*title != NULLCHAR) {
10151 if (gameNumber > 1) {
10152 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
10155 DisplayTitle(title);
10159 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10160 gameMode = PlayFromGameFile;
10164 currentMove = forwardMostMove = backwardMostMove = 0;
10165 CopyBoard(boards[0], initialPosition);
10169 * Skip the first gn-1 games in the file.
10170 * Also skip over anything that precedes an identifiable
10171 * start of game marker, to avoid being confused by
10172 * garbage at the start of the file. Currently
10173 * recognized start of game markers are the move number "1",
10174 * the pattern "gnuchess .* game", the pattern
10175 * "^[#;%] [^ ]* game file", and a PGN tag block.
10176 * A game that starts with one of the latter two patterns
10177 * will also have a move number 1, possibly
10178 * following a position diagram.
10179 * 5-4-02: Let's try being more lenient and allowing a game to
10180 * start with an unnumbered move. Does that break anything?
10182 cm = lastLoadGameStart = EndOfFile;
10184 yyboardindex = forwardMostMove;
10185 cm = (ChessMove) Myylex();
10188 if (cmailMsgLoaded) {
10189 nCmailGames = CMAIL_MAX_GAMES - gn;
10192 DisplayError(_("Game not found in file"), 0);
10199 lastLoadGameStart = cm;
10202 case MoveNumberOne:
10203 switch (lastLoadGameStart) {
10208 case MoveNumberOne:
10210 gn--; /* count this game */
10211 lastLoadGameStart = cm;
10220 switch (lastLoadGameStart) {
10223 case MoveNumberOne:
10225 gn--; /* count this game */
10226 lastLoadGameStart = cm;
10229 lastLoadGameStart = cm; /* game counted already */
10237 yyboardindex = forwardMostMove;
10238 cm = (ChessMove) Myylex();
10239 } while (cm == PGNTag || cm == Comment);
10246 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10247 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10248 != CMAIL_OLD_RESULT) {
10250 cmailResult[ CMAIL_MAX_GAMES
10251 - gn - 1] = CMAIL_OLD_RESULT;
10257 /* Only a NormalMove can be at the start of a game
10258 * without a position diagram. */
10259 if (lastLoadGameStart == EndOfFile ) {
10261 lastLoadGameStart = MoveNumberOne;
10270 if (appData.debugMode)
10271 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10273 if (cm == XBoardGame) {
10274 /* Skip any header junk before position diagram and/or move 1 */
10276 yyboardindex = forwardMostMove;
10277 cm = (ChessMove) Myylex();
10279 if (cm == EndOfFile ||
10280 cm == GNUChessGame || cm == XBoardGame) {
10281 /* Empty game; pretend end-of-file and handle later */
10286 if (cm == MoveNumberOne || cm == PositionDiagram ||
10287 cm == PGNTag || cm == Comment)
10290 } else if (cm == GNUChessGame) {
10291 if (gameInfo.event != NULL) {
10292 free(gameInfo.event);
10294 gameInfo.event = StrSave(yy_text);
10297 startedFromSetupPosition = FALSE;
10298 while (cm == PGNTag) {
10299 if (appData.debugMode)
10300 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10301 err = ParsePGNTag(yy_text, &gameInfo);
10302 if (!err) numPGNTags++;
10304 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10305 if(gameInfo.variant != oldVariant) {
10306 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10307 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10308 InitPosition(TRUE);
10309 oldVariant = gameInfo.variant;
10310 if (appData.debugMode)
10311 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10315 if (gameInfo.fen != NULL) {
10316 Board initial_position;
10317 startedFromSetupPosition = TRUE;
10318 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10320 DisplayError(_("Bad FEN position in file"), 0);
10323 CopyBoard(boards[0], initial_position);
10324 if (blackPlaysFirst) {
10325 currentMove = forwardMostMove = backwardMostMove = 1;
10326 CopyBoard(boards[1], initial_position);
10327 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10328 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10329 timeRemaining[0][1] = whiteTimeRemaining;
10330 timeRemaining[1][1] = blackTimeRemaining;
10331 if (commentList[0] != NULL) {
10332 commentList[1] = commentList[0];
10333 commentList[0] = NULL;
10336 currentMove = forwardMostMove = backwardMostMove = 0;
10338 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10340 initialRulePlies = FENrulePlies;
10341 for( i=0; i< nrCastlingRights; i++ )
10342 initialRights[i] = initial_position[CASTLING][i];
10344 yyboardindex = forwardMostMove;
10345 free(gameInfo.fen);
10346 gameInfo.fen = NULL;
10349 yyboardindex = forwardMostMove;
10350 cm = (ChessMove) Myylex();
10352 /* Handle comments interspersed among the tags */
10353 while (cm == Comment) {
10355 if (appData.debugMode)
10356 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10358 AppendComment(currentMove, p, FALSE);
10359 yyboardindex = forwardMostMove;
10360 cm = (ChessMove) Myylex();
10364 /* don't rely on existence of Event tag since if game was
10365 * pasted from clipboard the Event tag may not exist
10367 if (numPGNTags > 0){
10369 if (gameInfo.variant == VariantNormal) {
10370 VariantClass v = StringToVariant(gameInfo.event);
10371 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10372 if(v < VariantShogi) gameInfo.variant = v;
10375 if( appData.autoDisplayTags ) {
10376 tags = PGNTags(&gameInfo);
10377 TagsPopUp(tags, CmailMsg());
10382 /* Make something up, but don't display it now */
10387 if (cm == PositionDiagram) {
10390 Board initial_position;
10392 if (appData.debugMode)
10393 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10395 if (!startedFromSetupPosition) {
10397 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10398 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10408 initial_position[i][j++] = CharToPiece(*p);
10411 while (*p == ' ' || *p == '\t' ||
10412 *p == '\n' || *p == '\r') p++;
10414 if (strncmp(p, "black", strlen("black"))==0)
10415 blackPlaysFirst = TRUE;
10417 blackPlaysFirst = FALSE;
10418 startedFromSetupPosition = TRUE;
10420 CopyBoard(boards[0], initial_position);
10421 if (blackPlaysFirst) {
10422 currentMove = forwardMostMove = backwardMostMove = 1;
10423 CopyBoard(boards[1], initial_position);
10424 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10425 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10426 timeRemaining[0][1] = whiteTimeRemaining;
10427 timeRemaining[1][1] = blackTimeRemaining;
10428 if (commentList[0] != NULL) {
10429 commentList[1] = commentList[0];
10430 commentList[0] = NULL;
10433 currentMove = forwardMostMove = backwardMostMove = 0;
10436 yyboardindex = forwardMostMove;
10437 cm = (ChessMove) Myylex();
10440 if (first.pr == NoProc) {
10441 StartChessProgram(&first);
10443 InitChessProgram(&first, FALSE);
10444 SendToProgram("force\n", &first);
10445 if (startedFromSetupPosition) {
10446 SendBoard(&first, forwardMostMove);
10447 if (appData.debugMode) {
10448 fprintf(debugFP, "Load Game\n");
10450 DisplayBothClocks();
10453 /* [HGM] server: flag to write setup moves in broadcast file as one */
10454 loadFlag = appData.suppressLoadMoves;
10456 while (cm == Comment) {
10458 if (appData.debugMode)
10459 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10461 AppendComment(currentMove, p, FALSE);
10462 yyboardindex = forwardMostMove;
10463 cm = (ChessMove) Myylex();
10466 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
10467 cm == WhiteWins || cm == BlackWins ||
10468 cm == GameIsDrawn || cm == GameUnfinished) {
10469 DisplayMessage("", _("No moves in game"));
10470 if (cmailMsgLoaded) {
10471 if (appData.debugMode)
10472 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10476 DrawPosition(FALSE, boards[currentMove]);
10477 DisplayBothClocks();
10478 gameMode = EditGame;
10485 // [HGM] PV info: routine tests if comment empty
10486 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10487 DisplayComment(currentMove - 1, commentList[currentMove]);
10489 if (!matchMode && appData.timeDelay != 0)
10490 DrawPosition(FALSE, boards[currentMove]);
10492 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10493 programStats.ok_to_send = 1;
10496 /* if the first token after the PGN tags is a move
10497 * and not move number 1, retrieve it from the parser
10499 if (cm != MoveNumberOne)
10500 LoadGameOneMove(cm);
10502 /* load the remaining moves from the file */
10503 while (LoadGameOneMove(EndOfFile)) {
10504 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10505 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10508 /* rewind to the start of the game */
10509 currentMove = backwardMostMove;
10511 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10513 if (oldGameMode == AnalyzeFile ||
10514 oldGameMode == AnalyzeMode) {
10515 AnalyzeFileEvent();
10518 if (matchMode || appData.timeDelay == 0) {
10520 gameMode = EditGame;
10522 } else if (appData.timeDelay > 0) {
10523 AutoPlayGameLoop();
10526 if (appData.debugMode)
10527 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10529 loadFlag = 0; /* [HGM] true game starts */
10533 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10535 ReloadPosition(offset)
10538 int positionNumber = lastLoadPositionNumber + offset;
10539 if (lastLoadPositionFP == NULL) {
10540 DisplayError(_("No position has been loaded yet"), 0);
10543 if (positionNumber <= 0) {
10544 DisplayError(_("Can't back up any further"), 0);
10547 return LoadPosition(lastLoadPositionFP, positionNumber,
10548 lastLoadPositionTitle);
10551 /* Load the nth position from the given file */
10553 LoadPositionFromFile(filename, n, title)
10561 if (strcmp(filename, "-") == 0) {
10562 return LoadPosition(stdin, n, "stdin");
10564 f = fopen(filename, "rb");
10566 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10567 DisplayError(buf, errno);
10570 return LoadPosition(f, n, title);
10575 /* Load the nth position from the given open file, and close it */
10577 LoadPosition(f, positionNumber, title)
10579 int positionNumber;
10582 char *p, line[MSG_SIZ];
10583 Board initial_position;
10584 int i, j, fenMode, pn;
10586 if (gameMode == Training )
10587 SetTrainingModeOff();
10589 if (gameMode != BeginningOfGame) {
10590 Reset(FALSE, TRUE);
10592 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10593 fclose(lastLoadPositionFP);
10595 if (positionNumber == 0) positionNumber = 1;
10596 lastLoadPositionFP = f;
10597 lastLoadPositionNumber = positionNumber;
10598 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
10599 if (first.pr == NoProc) {
10600 StartChessProgram(&first);
10601 InitChessProgram(&first, FALSE);
10603 pn = positionNumber;
10604 if (positionNumber < 0) {
10605 /* Negative position number means to seek to that byte offset */
10606 if (fseek(f, -positionNumber, 0) == -1) {
10607 DisplayError(_("Can't seek on position file"), 0);
10612 if (fseek(f, 0, 0) == -1) {
10613 if (f == lastLoadPositionFP ?
10614 positionNumber == lastLoadPositionNumber + 1 :
10615 positionNumber == 1) {
10618 DisplayError(_("Can't seek on position file"), 0);
10623 /* See if this file is FEN or old-style xboard */
10624 if (fgets(line, MSG_SIZ, f) == NULL) {
10625 DisplayError(_("Position not found in file"), 0);
10628 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10629 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10632 if (fenMode || line[0] == '#') pn--;
10634 /* skip positions before number pn */
10635 if (fgets(line, MSG_SIZ, f) == NULL) {
10637 DisplayError(_("Position not found in file"), 0);
10640 if (fenMode || line[0] == '#') pn--;
10645 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10646 DisplayError(_("Bad FEN position in file"), 0);
10650 (void) fgets(line, MSG_SIZ, f);
10651 (void) fgets(line, MSG_SIZ, f);
10653 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10654 (void) fgets(line, MSG_SIZ, f);
10655 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10658 initial_position[i][j++] = CharToPiece(*p);
10662 blackPlaysFirst = FALSE;
10664 (void) fgets(line, MSG_SIZ, f);
10665 if (strncmp(line, "black", strlen("black"))==0)
10666 blackPlaysFirst = TRUE;
10669 startedFromSetupPosition = TRUE;
10671 SendToProgram("force\n", &first);
10672 CopyBoard(boards[0], initial_position);
10673 if (blackPlaysFirst) {
10674 currentMove = forwardMostMove = backwardMostMove = 1;
10675 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10676 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10677 CopyBoard(boards[1], initial_position);
10678 DisplayMessage("", _("Black to play"));
10680 currentMove = forwardMostMove = backwardMostMove = 0;
10681 DisplayMessage("", _("White to play"));
10683 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10684 SendBoard(&first, forwardMostMove);
10685 if (appData.debugMode) {
10687 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10688 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10689 fprintf(debugFP, "Load Position\n");
10692 if (positionNumber > 1) {
10693 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
10694 DisplayTitle(line);
10696 DisplayTitle(title);
10698 gameMode = EditGame;
10701 timeRemaining[0][1] = whiteTimeRemaining;
10702 timeRemaining[1][1] = blackTimeRemaining;
10703 DrawPosition(FALSE, boards[currentMove]);
10710 CopyPlayerNameIntoFileName(dest, src)
10713 while (*src != NULLCHAR && *src != ',') {
10718 *(*dest)++ = *src++;
10723 char *DefaultFileName(ext)
10726 static char def[MSG_SIZ];
10729 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10731 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10733 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10735 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
10742 /* Save the current game to the given file */
10744 SaveGameToFile(filename, append)
10751 if (strcmp(filename, "-") == 0) {
10752 return SaveGame(stdout, 0, NULL);
10754 f = fopen(filename, append ? "a" : "w");
10756 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10757 DisplayError(buf, errno);
10760 return SaveGame(f, 0, NULL);
10769 static char buf[MSG_SIZ];
10772 p = strchr(str, ' ');
10773 if (p == NULL) return str;
10774 strncpy(buf, str, p - str);
10775 buf[p - str] = NULLCHAR;
10779 #define PGN_MAX_LINE 75
10781 #define PGN_SIDE_WHITE 0
10782 #define PGN_SIDE_BLACK 1
10785 static int FindFirstMoveOutOfBook( int side )
10789 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10790 int index = backwardMostMove;
10791 int has_book_hit = 0;
10793 if( (index % 2) != side ) {
10797 while( index < forwardMostMove ) {
10798 /* Check to see if engine is in book */
10799 int depth = pvInfoList[index].depth;
10800 int score = pvInfoList[index].score;
10806 else if( score == 0 && depth == 63 ) {
10807 in_book = 1; /* Zappa */
10809 else if( score == 2 && depth == 99 ) {
10810 in_book = 1; /* Abrok */
10813 has_book_hit += in_book;
10829 void GetOutOfBookInfo( char * buf )
10833 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10835 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10836 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10840 if( oob[0] >= 0 || oob[1] >= 0 ) {
10841 for( i=0; i<2; i++ ) {
10845 if( i > 0 && oob[0] >= 0 ) {
10846 strcat( buf, " " );
10849 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10850 sprintf( buf+strlen(buf), "%s%.2f",
10851 pvInfoList[idx].score >= 0 ? "+" : "",
10852 pvInfoList[idx].score / 100.0 );
10858 /* Save game in PGN style and close the file */
10863 int i, offset, linelen, newblock;
10867 int movelen, numlen, blank;
10868 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10870 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10872 tm = time((time_t *) NULL);
10874 PrintPGNTags(f, &gameInfo);
10876 if (backwardMostMove > 0 || startedFromSetupPosition) {
10877 char *fen = PositionToFEN(backwardMostMove, NULL);
10878 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10879 fprintf(f, "\n{--------------\n");
10880 PrintPosition(f, backwardMostMove);
10881 fprintf(f, "--------------}\n");
10885 /* [AS] Out of book annotation */
10886 if( appData.saveOutOfBookInfo ) {
10889 GetOutOfBookInfo( buf );
10891 if( buf[0] != '\0' ) {
10892 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10899 i = backwardMostMove;
10903 while (i < forwardMostMove) {
10904 /* Print comments preceding this move */
10905 if (commentList[i] != NULL) {
10906 if (linelen > 0) fprintf(f, "\n");
10907 fprintf(f, "%s", commentList[i]);
10912 /* Format move number */
10914 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
10917 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
10919 numtext[0] = NULLCHAR;
10921 numlen = strlen(numtext);
10924 /* Print move number */
10925 blank = linelen > 0 && numlen > 0;
10926 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10935 fprintf(f, "%s", numtext);
10939 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
10940 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10943 blank = linelen > 0 && movelen > 0;
10944 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10953 fprintf(f, "%s", move_buffer);
10954 linelen += movelen;
10956 /* [AS] Add PV info if present */
10957 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10958 /* [HGM] add time */
10959 char buf[MSG_SIZ]; int seconds;
10961 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10967 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
10970 seconds = (seconds + 4)/10; // round to full seconds
10972 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
10974 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
10977 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
10978 pvInfoList[i].score >= 0 ? "+" : "",
10979 pvInfoList[i].score / 100.0,
10980 pvInfoList[i].depth,
10983 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10985 /* Print score/depth */
10986 blank = linelen > 0 && movelen > 0;
10987 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10996 fprintf(f, "%s", move_buffer);
10997 linelen += movelen;
11003 /* Start a new line */
11004 if (linelen > 0) fprintf(f, "\n");
11006 /* Print comments after last move */
11007 if (commentList[i] != NULL) {
11008 fprintf(f, "%s\n", commentList[i]);
11012 if (gameInfo.resultDetails != NULL &&
11013 gameInfo.resultDetails[0] != NULLCHAR) {
11014 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
11015 PGNResult(gameInfo.result));
11017 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11021 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11025 /* Save game in old style and close the file */
11027 SaveGameOldStyle(f)
11033 tm = time((time_t *) NULL);
11035 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11038 if (backwardMostMove > 0 || startedFromSetupPosition) {
11039 fprintf(f, "\n[--------------\n");
11040 PrintPosition(f, backwardMostMove);
11041 fprintf(f, "--------------]\n");
11046 i = backwardMostMove;
11047 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11049 while (i < forwardMostMove) {
11050 if (commentList[i] != NULL) {
11051 fprintf(f, "[%s]\n", commentList[i]);
11054 if ((i % 2) == 1) {
11055 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11058 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11060 if (commentList[i] != NULL) {
11064 if (i >= forwardMostMove) {
11068 fprintf(f, "%s\n", parseList[i]);
11073 if (commentList[i] != NULL) {
11074 fprintf(f, "[%s]\n", commentList[i]);
11077 /* This isn't really the old style, but it's close enough */
11078 if (gameInfo.resultDetails != NULL &&
11079 gameInfo.resultDetails[0] != NULLCHAR) {
11080 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11081 gameInfo.resultDetails);
11083 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11090 /* Save the current game to open file f and close the file */
11092 SaveGame(f, dummy, dummy2)
11097 if (gameMode == EditPosition) EditPositionDone(TRUE);
11098 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11099 if (appData.oldSaveStyle)
11100 return SaveGameOldStyle(f);
11102 return SaveGamePGN(f);
11105 /* Save the current position to the given file */
11107 SavePositionToFile(filename)
11113 if (strcmp(filename, "-") == 0) {
11114 return SavePosition(stdout, 0, NULL);
11116 f = fopen(filename, "a");
11118 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11119 DisplayError(buf, errno);
11122 SavePosition(f, 0, NULL);
11128 /* Save the current position to the given open file and close the file */
11130 SavePosition(f, dummy, dummy2)
11138 if (gameMode == EditPosition) EditPositionDone(TRUE);
11139 if (appData.oldSaveStyle) {
11140 tm = time((time_t *) NULL);
11142 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11144 fprintf(f, "[--------------\n");
11145 PrintPosition(f, currentMove);
11146 fprintf(f, "--------------]\n");
11148 fen = PositionToFEN(currentMove, NULL);
11149 fprintf(f, "%s\n", fen);
11157 ReloadCmailMsgEvent(unregister)
11161 static char *inFilename = NULL;
11162 static char *outFilename;
11164 struct stat inbuf, outbuf;
11167 /* Any registered moves are unregistered if unregister is set, */
11168 /* i.e. invoked by the signal handler */
11170 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11171 cmailMoveRegistered[i] = FALSE;
11172 if (cmailCommentList[i] != NULL) {
11173 free(cmailCommentList[i]);
11174 cmailCommentList[i] = NULL;
11177 nCmailMovesRegistered = 0;
11180 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11181 cmailResult[i] = CMAIL_NOT_RESULT;
11185 if (inFilename == NULL) {
11186 /* Because the filenames are static they only get malloced once */
11187 /* and they never get freed */
11188 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11189 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11191 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11192 sprintf(outFilename, "%s.out", appData.cmailGameName);
11195 status = stat(outFilename, &outbuf);
11197 cmailMailedMove = FALSE;
11199 status = stat(inFilename, &inbuf);
11200 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11203 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11204 counts the games, notes how each one terminated, etc.
11206 It would be nice to remove this kludge and instead gather all
11207 the information while building the game list. (And to keep it
11208 in the game list nodes instead of having a bunch of fixed-size
11209 parallel arrays.) Note this will require getting each game's
11210 termination from the PGN tags, as the game list builder does
11211 not process the game moves. --mann
11213 cmailMsgLoaded = TRUE;
11214 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11216 /* Load first game in the file or popup game menu */
11217 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11219 #endif /* !WIN32 */
11227 char string[MSG_SIZ];
11229 if ( cmailMailedMove
11230 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11231 return TRUE; /* Allow free viewing */
11234 /* Unregister move to ensure that we don't leave RegisterMove */
11235 /* with the move registered when the conditions for registering no */
11237 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11238 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11239 nCmailMovesRegistered --;
11241 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11243 free(cmailCommentList[lastLoadGameNumber - 1]);
11244 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11248 if (cmailOldMove == -1) {
11249 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11253 if (currentMove > cmailOldMove + 1) {
11254 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11258 if (currentMove < cmailOldMove) {
11259 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11263 if (forwardMostMove > currentMove) {
11264 /* Silently truncate extra moves */
11268 if ( (currentMove == cmailOldMove + 1)
11269 || ( (currentMove == cmailOldMove)
11270 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11271 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11272 if (gameInfo.result != GameUnfinished) {
11273 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11276 if (commentList[currentMove] != NULL) {
11277 cmailCommentList[lastLoadGameNumber - 1]
11278 = StrSave(commentList[currentMove]);
11280 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
11282 if (appData.debugMode)
11283 fprintf(debugFP, "Saving %s for game %d\n",
11284 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11286 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11288 f = fopen(string, "w");
11289 if (appData.oldSaveStyle) {
11290 SaveGameOldStyle(f); /* also closes the file */
11292 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
11293 f = fopen(string, "w");
11294 SavePosition(f, 0, NULL); /* also closes the file */
11296 fprintf(f, "{--------------\n");
11297 PrintPosition(f, currentMove);
11298 fprintf(f, "--------------}\n\n");
11300 SaveGame(f, 0, NULL); /* also closes the file*/
11303 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11304 nCmailMovesRegistered ++;
11305 } else if (nCmailGames == 1) {
11306 DisplayError(_("You have not made a move yet"), 0);
11317 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11318 FILE *commandOutput;
11319 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11320 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11326 if (! cmailMsgLoaded) {
11327 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11331 if (nCmailGames == nCmailResults) {
11332 DisplayError(_("No unfinished games"), 0);
11336 #if CMAIL_PROHIBIT_REMAIL
11337 if (cmailMailedMove) {
11338 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);
11339 DisplayError(msg, 0);
11344 if (! (cmailMailedMove || RegisterMove())) return;
11346 if ( cmailMailedMove
11347 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11348 snprintf(string, MSG_SIZ, partCommandString,
11349 appData.debugMode ? " -v" : "", appData.cmailGameName);
11350 commandOutput = popen(string, "r");
11352 if (commandOutput == NULL) {
11353 DisplayError(_("Failed to invoke cmail"), 0);
11355 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11356 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11358 if (nBuffers > 1) {
11359 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11360 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11361 nBytes = MSG_SIZ - 1;
11363 (void) memcpy(msg, buffer, nBytes);
11365 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11367 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11368 cmailMailedMove = TRUE; /* Prevent >1 moves */
11371 for (i = 0; i < nCmailGames; i ++) {
11372 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11377 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11379 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
11381 appData.cmailGameName,
11383 LoadGameFromFile(buffer, 1, buffer, FALSE);
11384 cmailMsgLoaded = FALSE;
11388 DisplayInformation(msg);
11389 pclose(commandOutput);
11392 if ((*cmailMsg) != '\0') {
11393 DisplayInformation(cmailMsg);
11398 #endif /* !WIN32 */
11407 int prependComma = 0;
11409 char string[MSG_SIZ]; /* Space for game-list */
11412 if (!cmailMsgLoaded) return "";
11414 if (cmailMailedMove) {
11415 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
11417 /* Create a list of games left */
11418 snprintf(string, MSG_SIZ, "[");
11419 for (i = 0; i < nCmailGames; i ++) {
11420 if (! ( cmailMoveRegistered[i]
11421 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11422 if (prependComma) {
11423 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
11425 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
11429 strcat(string, number);
11432 strcat(string, "]");
11434 if (nCmailMovesRegistered + nCmailResults == 0) {
11435 switch (nCmailGames) {
11437 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
11441 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
11445 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
11450 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11452 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
11457 if (nCmailResults == nCmailGames) {
11458 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
11460 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
11465 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
11477 if (gameMode == Training)
11478 SetTrainingModeOff();
11481 cmailMsgLoaded = FALSE;
11482 if (appData.icsActive) {
11483 SendToICS(ics_prefix);
11484 SendToICS("refresh\n");
11494 /* Give up on clean exit */
11498 /* Keep trying for clean exit */
11502 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11504 if (telnetISR != NULL) {
11505 RemoveInputSource(telnetISR);
11507 if (icsPR != NoProc) {
11508 DestroyChildProcess(icsPR, TRUE);
11511 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11512 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11514 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11515 /* make sure this other one finishes before killing it! */
11516 if(endingGame) { int count = 0;
11517 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11518 while(endingGame && count++ < 10) DoSleep(1);
11519 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11522 /* Kill off chess programs */
11523 if (first.pr != NoProc) {
11526 DoSleep( appData.delayBeforeQuit );
11527 SendToProgram("quit\n", &first);
11528 DoSleep( appData.delayAfterQuit );
11529 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11531 if (second.pr != NoProc) {
11532 DoSleep( appData.delayBeforeQuit );
11533 SendToProgram("quit\n", &second);
11534 DoSleep( appData.delayAfterQuit );
11535 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11537 if (first.isr != NULL) {
11538 RemoveInputSource(first.isr);
11540 if (second.isr != NULL) {
11541 RemoveInputSource(second.isr);
11544 ShutDownFrontEnd();
11551 if (appData.debugMode)
11552 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11556 if (gameMode == MachinePlaysWhite ||
11557 gameMode == MachinePlaysBlack) {
11560 DisplayBothClocks();
11562 if (gameMode == PlayFromGameFile) {
11563 if (appData.timeDelay >= 0)
11564 AutoPlayGameLoop();
11565 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11566 Reset(FALSE, TRUE);
11567 SendToICS(ics_prefix);
11568 SendToICS("refresh\n");
11569 } else if (currentMove < forwardMostMove) {
11570 ForwardInner(forwardMostMove);
11572 pauseExamInvalid = FALSE;
11574 switch (gameMode) {
11578 pauseExamForwardMostMove = forwardMostMove;
11579 pauseExamInvalid = FALSE;
11582 case IcsPlayingWhite:
11583 case IcsPlayingBlack:
11587 case PlayFromGameFile:
11588 (void) StopLoadGameTimer();
11592 case BeginningOfGame:
11593 if (appData.icsActive) return;
11594 /* else fall through */
11595 case MachinePlaysWhite:
11596 case MachinePlaysBlack:
11597 case TwoMachinesPlay:
11598 if (forwardMostMove == 0)
11599 return; /* don't pause if no one has moved */
11600 if ((gameMode == MachinePlaysWhite &&
11601 !WhiteOnMove(forwardMostMove)) ||
11602 (gameMode == MachinePlaysBlack &&
11603 WhiteOnMove(forwardMostMove))) {
11616 char title[MSG_SIZ];
11618 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11619 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
11621 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11622 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11623 parseList[currentMove - 1]);
11626 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11633 char *tags = PGNTags(&gameInfo);
11634 EditTagsPopUp(tags);
11641 if (appData.noChessProgram || gameMode == AnalyzeMode)
11644 if (gameMode != AnalyzeFile) {
11645 if (!appData.icsEngineAnalyze) {
11647 if (gameMode != EditGame) return;
11649 ResurrectChessProgram();
11650 SendToProgram("analyze\n", &first);
11651 first.analyzing = TRUE;
11652 /*first.maybeThinking = TRUE;*/
11653 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11654 EngineOutputPopUp();
11656 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11661 StartAnalysisClock();
11662 GetTimeMark(&lastNodeCountTime);
11669 if (appData.noChessProgram || gameMode == AnalyzeFile)
11672 if (gameMode != AnalyzeMode) {
11674 if (gameMode != EditGame) return;
11675 ResurrectChessProgram();
11676 SendToProgram("analyze\n", &first);
11677 first.analyzing = TRUE;
11678 /*first.maybeThinking = TRUE;*/
11679 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11680 EngineOutputPopUp();
11682 gameMode = AnalyzeFile;
11687 StartAnalysisClock();
11688 GetTimeMark(&lastNodeCountTime);
11693 MachineWhiteEvent()
11696 char *bookHit = NULL;
11698 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11702 if (gameMode == PlayFromGameFile ||
11703 gameMode == TwoMachinesPlay ||
11704 gameMode == Training ||
11705 gameMode == AnalyzeMode ||
11706 gameMode == EndOfGame)
11709 if (gameMode == EditPosition)
11710 EditPositionDone(TRUE);
11712 if (!WhiteOnMove(currentMove)) {
11713 DisplayError(_("It is not White's turn"), 0);
11717 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11720 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11721 gameMode == AnalyzeFile)
11724 ResurrectChessProgram(); /* in case it isn't running */
11725 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11726 gameMode = MachinePlaysWhite;
11729 gameMode = MachinePlaysWhite;
11733 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11735 if (first.sendName) {
11736 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
11737 SendToProgram(buf, &first);
11739 if (first.sendTime) {
11740 if (first.useColors) {
11741 SendToProgram("black\n", &first); /*gnu kludge*/
11743 SendTimeRemaining(&first, TRUE);
11745 if (first.useColors) {
11746 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11748 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11749 SetMachineThinkingEnables();
11750 first.maybeThinking = TRUE;
11754 if (appData.autoFlipView && !flipView) {
11755 flipView = !flipView;
11756 DrawPosition(FALSE, NULL);
11757 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11760 if(bookHit) { // [HGM] book: simulate book reply
11761 static char bookMove[MSG_SIZ]; // a bit generous?
11763 programStats.nodes = programStats.depth = programStats.time =
11764 programStats.score = programStats.got_only_move = 0;
11765 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11767 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11768 strcat(bookMove, bookHit);
11769 HandleMachineMove(bookMove, &first);
11774 MachineBlackEvent()
11777 char *bookHit = NULL;
11779 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11783 if (gameMode == PlayFromGameFile ||
11784 gameMode == TwoMachinesPlay ||
11785 gameMode == Training ||
11786 gameMode == AnalyzeMode ||
11787 gameMode == EndOfGame)
11790 if (gameMode == EditPosition)
11791 EditPositionDone(TRUE);
11793 if (WhiteOnMove(currentMove)) {
11794 DisplayError(_("It is not Black's turn"), 0);
11798 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11801 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11802 gameMode == AnalyzeFile)
11805 ResurrectChessProgram(); /* in case it isn't running */
11806 gameMode = MachinePlaysBlack;
11810 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11812 if (first.sendName) {
11813 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
11814 SendToProgram(buf, &first);
11816 if (first.sendTime) {
11817 if (first.useColors) {
11818 SendToProgram("white\n", &first); /*gnu kludge*/
11820 SendTimeRemaining(&first, FALSE);
11822 if (first.useColors) {
11823 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11825 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11826 SetMachineThinkingEnables();
11827 first.maybeThinking = TRUE;
11830 if (appData.autoFlipView && flipView) {
11831 flipView = !flipView;
11832 DrawPosition(FALSE, NULL);
11833 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11835 if(bookHit) { // [HGM] book: simulate book reply
11836 static char bookMove[MSG_SIZ]; // a bit generous?
11838 programStats.nodes = programStats.depth = programStats.time =
11839 programStats.score = programStats.got_only_move = 0;
11840 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11842 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11843 strcat(bookMove, bookHit);
11844 HandleMachineMove(bookMove, &first);
11850 DisplayTwoMachinesTitle()
11853 if (appData.matchGames > 0) {
11854 if (first.twoMachinesColor[0] == 'w') {
11855 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11856 gameInfo.white, gameInfo.black,
11857 first.matchWins, second.matchWins,
11858 matchGame - 1 - (first.matchWins + second.matchWins));
11860 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11861 gameInfo.white, gameInfo.black,
11862 second.matchWins, first.matchWins,
11863 matchGame - 1 - (first.matchWins + second.matchWins));
11866 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11872 SettingsMenuIfReady()
11874 if (second.lastPing != second.lastPong) {
11875 DisplayMessage("", _("Waiting for second chess program"));
11876 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
11880 DisplayMessage("", "");
11881 SettingsPopUp(&second);
11885 WaitForSecond(DelayedEventCallback retry)
11887 if (second.pr == NULL) {
11888 StartChessProgram(&second);
11889 if (second.protocolVersion == 1) {
11892 /* kludge: allow timeout for initial "feature" command */
11894 DisplayMessage("", _("Starting second chess program"));
11895 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
11903 TwoMachinesEvent P((void))
11907 ChessProgramState *onmove;
11908 char *bookHit = NULL;
11910 if (appData.noChessProgram) return;
11912 switch (gameMode) {
11913 case TwoMachinesPlay:
11915 case MachinePlaysWhite:
11916 case MachinePlaysBlack:
11917 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11918 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11922 case BeginningOfGame:
11923 case PlayFromGameFile:
11926 if (gameMode != EditGame) return;
11929 EditPositionDone(TRUE);
11940 // forwardMostMove = currentMove;
11941 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11942 ResurrectChessProgram(); /* in case first program isn't running */
11944 if(WaitForSecond(TwoMachinesEventIfReady)) return;
11945 DisplayMessage("", "");
11946 InitChessProgram(&second, FALSE);
11947 SendToProgram("force\n", &second);
11948 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
11949 ScheduleDelayedEvent(TwoMachinesEvent, 10);
11952 if (startedFromSetupPosition) {
11953 SendBoard(&second, backwardMostMove);
11954 if (appData.debugMode) {
11955 fprintf(debugFP, "Two Machines\n");
11958 for (i = backwardMostMove; i < forwardMostMove; i++) {
11959 SendMoveToProgram(i, &second);
11962 gameMode = TwoMachinesPlay;
11966 DisplayTwoMachinesTitle();
11968 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11974 SendToProgram(first.computerString, &first);
11975 if (first.sendName) {
11976 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
11977 SendToProgram(buf, &first);
11979 SendToProgram(second.computerString, &second);
11980 if (second.sendName) {
11981 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
11982 SendToProgram(buf, &second);
11986 if (!first.sendTime || !second.sendTime) {
11987 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11988 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11990 if (onmove->sendTime) {
11991 if (onmove->useColors) {
11992 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11994 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11996 if (onmove->useColors) {
11997 SendToProgram(onmove->twoMachinesColor, onmove);
11999 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
12000 // SendToProgram("go\n", onmove);
12001 onmove->maybeThinking = TRUE;
12002 SetMachineThinkingEnables();
12006 if(bookHit) { // [HGM] book: simulate book reply
12007 static char bookMove[MSG_SIZ]; // a bit generous?
12009 programStats.nodes = programStats.depth = programStats.time =
12010 programStats.score = programStats.got_only_move = 0;
12011 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12013 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12014 strcat(bookMove, bookHit);
12015 savedMessage = bookMove; // args for deferred call
12016 savedState = onmove;
12017 ScheduleDelayedEvent(DeferredBookMove, 1);
12024 if (gameMode == Training) {
12025 SetTrainingModeOff();
12026 gameMode = PlayFromGameFile;
12027 DisplayMessage("", _("Training mode off"));
12029 gameMode = Training;
12030 animateTraining = appData.animate;
12032 /* make sure we are not already at the end of the game */
12033 if (currentMove < forwardMostMove) {
12034 SetTrainingModeOn();
12035 DisplayMessage("", _("Training mode on"));
12037 gameMode = PlayFromGameFile;
12038 DisplayError(_("Already at end of game"), 0);
12047 if (!appData.icsActive) return;
12048 switch (gameMode) {
12049 case IcsPlayingWhite:
12050 case IcsPlayingBlack:
12053 case BeginningOfGame:
12061 EditPositionDone(TRUE);
12074 gameMode = IcsIdle;
12085 switch (gameMode) {
12087 SetTrainingModeOff();
12089 case MachinePlaysWhite:
12090 case MachinePlaysBlack:
12091 case BeginningOfGame:
12092 SendToProgram("force\n", &first);
12093 SetUserThinkingEnables();
12095 case PlayFromGameFile:
12096 (void) StopLoadGameTimer();
12097 if (gameFileFP != NULL) {
12102 EditPositionDone(TRUE);
12107 SendToProgram("force\n", &first);
12109 case TwoMachinesPlay:
12110 GameEnds(EndOfFile, NULL, GE_PLAYER);
12111 ResurrectChessProgram();
12112 SetUserThinkingEnables();
12115 ResurrectChessProgram();
12117 case IcsPlayingBlack:
12118 case IcsPlayingWhite:
12119 DisplayError(_("Warning: You are still playing a game"), 0);
12122 DisplayError(_("Warning: You are still observing a game"), 0);
12125 DisplayError(_("Warning: You are still examining a game"), 0);
12136 first.offeredDraw = second.offeredDraw = 0;
12138 if (gameMode == PlayFromGameFile) {
12139 whiteTimeRemaining = timeRemaining[0][currentMove];
12140 blackTimeRemaining = timeRemaining[1][currentMove];
12144 if (gameMode == MachinePlaysWhite ||
12145 gameMode == MachinePlaysBlack ||
12146 gameMode == TwoMachinesPlay ||
12147 gameMode == EndOfGame) {
12148 i = forwardMostMove;
12149 while (i > currentMove) {
12150 SendToProgram("undo\n", &first);
12153 whiteTimeRemaining = timeRemaining[0][currentMove];
12154 blackTimeRemaining = timeRemaining[1][currentMove];
12155 DisplayBothClocks();
12156 if (whiteFlag || blackFlag) {
12157 whiteFlag = blackFlag = 0;
12162 gameMode = EditGame;
12169 EditPositionEvent()
12171 if (gameMode == EditPosition) {
12177 if (gameMode != EditGame) return;
12179 gameMode = EditPosition;
12182 if (currentMove > 0)
12183 CopyBoard(boards[0], boards[currentMove]);
12185 blackPlaysFirst = !WhiteOnMove(currentMove);
12187 currentMove = forwardMostMove = backwardMostMove = 0;
12188 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12195 /* [DM] icsEngineAnalyze - possible call from other functions */
12196 if (appData.icsEngineAnalyze) {
12197 appData.icsEngineAnalyze = FALSE;
12199 DisplayMessage("",_("Close ICS engine analyze..."));
12201 if (first.analysisSupport && first.analyzing) {
12202 SendToProgram("exit\n", &first);
12203 first.analyzing = FALSE;
12205 thinkOutput[0] = NULLCHAR;
12209 EditPositionDone(Boolean fakeRights)
12211 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12213 startedFromSetupPosition = TRUE;
12214 InitChessProgram(&first, FALSE);
12215 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12216 boards[0][EP_STATUS] = EP_NONE;
12217 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12218 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12219 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12220 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12221 } else boards[0][CASTLING][2] = NoRights;
12222 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12223 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12224 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12225 } else boards[0][CASTLING][5] = NoRights;
12227 SendToProgram("force\n", &first);
12228 if (blackPlaysFirst) {
12229 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12230 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12231 currentMove = forwardMostMove = backwardMostMove = 1;
12232 CopyBoard(boards[1], boards[0]);
12234 currentMove = forwardMostMove = backwardMostMove = 0;
12236 SendBoard(&first, forwardMostMove);
12237 if (appData.debugMode) {
12238 fprintf(debugFP, "EditPosDone\n");
12241 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12242 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12243 gameMode = EditGame;
12245 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12246 ClearHighlights(); /* [AS] */
12249 /* Pause for `ms' milliseconds */
12250 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12260 } while (SubtractTimeMarks(&m2, &m1) < ms);
12263 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12265 SendMultiLineToICS(buf)
12268 char temp[MSG_SIZ+1], *p;
12275 strncpy(temp, buf, len);
12280 if (*p == '\n' || *p == '\r')
12285 strcat(temp, "\n");
12287 SendToPlayer(temp, strlen(temp));
12291 SetWhiteToPlayEvent()
12293 if (gameMode == EditPosition) {
12294 blackPlaysFirst = FALSE;
12295 DisplayBothClocks(); /* works because currentMove is 0 */
12296 } else if (gameMode == IcsExamining) {
12297 SendToICS(ics_prefix);
12298 SendToICS("tomove white\n");
12303 SetBlackToPlayEvent()
12305 if (gameMode == EditPosition) {
12306 blackPlaysFirst = TRUE;
12307 currentMove = 1; /* kludge */
12308 DisplayBothClocks();
12310 } else if (gameMode == IcsExamining) {
12311 SendToICS(ics_prefix);
12312 SendToICS("tomove black\n");
12317 EditPositionMenuEvent(selection, x, y)
12318 ChessSquare selection;
12322 ChessSquare piece = boards[0][y][x];
12324 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12326 switch (selection) {
12328 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12329 SendToICS(ics_prefix);
12330 SendToICS("bsetup clear\n");
12331 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12332 SendToICS(ics_prefix);
12333 SendToICS("clearboard\n");
12335 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12336 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12337 for (y = 0; y < BOARD_HEIGHT; y++) {
12338 if (gameMode == IcsExamining) {
12339 if (boards[currentMove][y][x] != EmptySquare) {
12340 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
12345 boards[0][y][x] = p;
12350 if (gameMode == EditPosition) {
12351 DrawPosition(FALSE, boards[0]);
12356 SetWhiteToPlayEvent();
12360 SetBlackToPlayEvent();
12364 if (gameMode == IcsExamining) {
12365 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12366 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12369 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12370 if(x == BOARD_LEFT-2) {
12371 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12372 boards[0][y][1] = 0;
12374 if(x == BOARD_RGHT+1) {
12375 if(y >= gameInfo.holdingsSize) break;
12376 boards[0][y][BOARD_WIDTH-2] = 0;
12379 boards[0][y][x] = EmptySquare;
12380 DrawPosition(FALSE, boards[0]);
12385 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12386 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12387 selection = (ChessSquare) (PROMOTED piece);
12388 } else if(piece == EmptySquare) selection = WhiteSilver;
12389 else selection = (ChessSquare)((int)piece - 1);
12393 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12394 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12395 selection = (ChessSquare) (DEMOTED piece);
12396 } else if(piece == EmptySquare) selection = BlackSilver;
12397 else selection = (ChessSquare)((int)piece + 1);
12402 if(gameInfo.variant == VariantShatranj ||
12403 gameInfo.variant == VariantXiangqi ||
12404 gameInfo.variant == VariantCourier ||
12405 gameInfo.variant == VariantMakruk )
12406 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12411 if(gameInfo.variant == VariantXiangqi)
12412 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12413 if(gameInfo.variant == VariantKnightmate)
12414 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12417 if (gameMode == IcsExamining) {
12418 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12419 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
12420 PieceToChar(selection), AAA + x, ONE + y);
12423 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12425 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12426 n = PieceToNumber(selection - BlackPawn);
12427 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12428 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12429 boards[0][BOARD_HEIGHT-1-n][1]++;
12431 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12432 n = PieceToNumber(selection);
12433 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12434 boards[0][n][BOARD_WIDTH-1] = selection;
12435 boards[0][n][BOARD_WIDTH-2]++;
12438 boards[0][y][x] = selection;
12439 DrawPosition(TRUE, boards[0]);
12447 DropMenuEvent(selection, x, y)
12448 ChessSquare selection;
12451 ChessMove moveType;
12453 switch (gameMode) {
12454 case IcsPlayingWhite:
12455 case MachinePlaysBlack:
12456 if (!WhiteOnMove(currentMove)) {
12457 DisplayMoveError(_("It is Black's turn"));
12460 moveType = WhiteDrop;
12462 case IcsPlayingBlack:
12463 case MachinePlaysWhite:
12464 if (WhiteOnMove(currentMove)) {
12465 DisplayMoveError(_("It is White's turn"));
12468 moveType = BlackDrop;
12471 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12477 if (moveType == BlackDrop && selection < BlackPawn) {
12478 selection = (ChessSquare) ((int) selection
12479 + (int) BlackPawn - (int) WhitePawn);
12481 if (boards[currentMove][y][x] != EmptySquare) {
12482 DisplayMoveError(_("That square is occupied"));
12486 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12492 /* Accept a pending offer of any kind from opponent */
12494 if (appData.icsActive) {
12495 SendToICS(ics_prefix);
12496 SendToICS("accept\n");
12497 } else if (cmailMsgLoaded) {
12498 if (currentMove == cmailOldMove &&
12499 commentList[cmailOldMove] != NULL &&
12500 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12501 "Black offers a draw" : "White offers a draw")) {
12503 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12504 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12506 DisplayError(_("There is no pending offer on this move"), 0);
12507 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12510 /* Not used for offers from chess program */
12517 /* Decline a pending offer of any kind from opponent */
12519 if (appData.icsActive) {
12520 SendToICS(ics_prefix);
12521 SendToICS("decline\n");
12522 } else if (cmailMsgLoaded) {
12523 if (currentMove == cmailOldMove &&
12524 commentList[cmailOldMove] != NULL &&
12525 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12526 "Black offers a draw" : "White offers a draw")) {
12528 AppendComment(cmailOldMove, "Draw declined", TRUE);
12529 DisplayComment(cmailOldMove - 1, "Draw declined");
12532 DisplayError(_("There is no pending offer on this move"), 0);
12535 /* Not used for offers from chess program */
12542 /* Issue ICS rematch command */
12543 if (appData.icsActive) {
12544 SendToICS(ics_prefix);
12545 SendToICS("rematch\n");
12552 /* Call your opponent's flag (claim a win on time) */
12553 if (appData.icsActive) {
12554 SendToICS(ics_prefix);
12555 SendToICS("flag\n");
12557 switch (gameMode) {
12560 case MachinePlaysWhite:
12563 GameEnds(GameIsDrawn, "Both players ran out of time",
12566 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12568 DisplayError(_("Your opponent is not out of time"), 0);
12571 case MachinePlaysBlack:
12574 GameEnds(GameIsDrawn, "Both players ran out of time",
12577 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12579 DisplayError(_("Your opponent is not out of time"), 0);
12589 /* Offer draw or accept pending draw offer from opponent */
12591 if (appData.icsActive) {
12592 /* Note: tournament rules require draw offers to be
12593 made after you make your move but before you punch
12594 your clock. Currently ICS doesn't let you do that;
12595 instead, you immediately punch your clock after making
12596 a move, but you can offer a draw at any time. */
12598 SendToICS(ics_prefix);
12599 SendToICS("draw\n");
12600 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12601 } else if (cmailMsgLoaded) {
12602 if (currentMove == cmailOldMove &&
12603 commentList[cmailOldMove] != NULL &&
12604 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12605 "Black offers a draw" : "White offers a draw")) {
12606 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12607 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12608 } else if (currentMove == cmailOldMove + 1) {
12609 char *offer = WhiteOnMove(cmailOldMove) ?
12610 "White offers a draw" : "Black offers a draw";
12611 AppendComment(currentMove, offer, TRUE);
12612 DisplayComment(currentMove - 1, offer);
12613 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12615 DisplayError(_("You must make your move before offering a draw"), 0);
12616 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12618 } else if (first.offeredDraw) {
12619 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12621 if (first.sendDrawOffers) {
12622 SendToProgram("draw\n", &first);
12623 userOfferedDraw = TRUE;
12631 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12633 if (appData.icsActive) {
12634 SendToICS(ics_prefix);
12635 SendToICS("adjourn\n");
12637 /* Currently GNU Chess doesn't offer or accept Adjourns */
12645 /* Offer Abort or accept pending Abort offer from opponent */
12647 if (appData.icsActive) {
12648 SendToICS(ics_prefix);
12649 SendToICS("abort\n");
12651 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12658 /* Resign. You can do this even if it's not your turn. */
12660 if (appData.icsActive) {
12661 SendToICS(ics_prefix);
12662 SendToICS("resign\n");
12664 switch (gameMode) {
12665 case MachinePlaysWhite:
12666 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12668 case MachinePlaysBlack:
12669 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12672 if (cmailMsgLoaded) {
12674 if (WhiteOnMove(cmailOldMove)) {
12675 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12677 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12679 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12690 StopObservingEvent()
12692 /* Stop observing current games */
12693 SendToICS(ics_prefix);
12694 SendToICS("unobserve\n");
12698 StopExaminingEvent()
12700 /* Stop observing current game */
12701 SendToICS(ics_prefix);
12702 SendToICS("unexamine\n");
12706 ForwardInner(target)
12711 if (appData.debugMode)
12712 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12713 target, currentMove, forwardMostMove);
12715 if (gameMode == EditPosition)
12718 if (gameMode == PlayFromGameFile && !pausing)
12721 if (gameMode == IcsExamining && pausing)
12722 limit = pauseExamForwardMostMove;
12724 limit = forwardMostMove;
12726 if (target > limit) target = limit;
12728 if (target > 0 && moveList[target - 1][0]) {
12729 int fromX, fromY, toX, toY;
12730 toX = moveList[target - 1][2] - AAA;
12731 toY = moveList[target - 1][3] - ONE;
12732 if (moveList[target - 1][1] == '@') {
12733 if (appData.highlightLastMove) {
12734 SetHighlights(-1, -1, toX, toY);
12737 fromX = moveList[target - 1][0] - AAA;
12738 fromY = moveList[target - 1][1] - ONE;
12739 if (target == currentMove + 1) {
12740 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12742 if (appData.highlightLastMove) {
12743 SetHighlights(fromX, fromY, toX, toY);
12747 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12748 gameMode == Training || gameMode == PlayFromGameFile ||
12749 gameMode == AnalyzeFile) {
12750 while (currentMove < target) {
12751 SendMoveToProgram(currentMove++, &first);
12754 currentMove = target;
12757 if (gameMode == EditGame || gameMode == EndOfGame) {
12758 whiteTimeRemaining = timeRemaining[0][currentMove];
12759 blackTimeRemaining = timeRemaining[1][currentMove];
12761 DisplayBothClocks();
12762 DisplayMove(currentMove - 1);
12763 DrawPosition(FALSE, boards[currentMove]);
12764 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12765 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12766 DisplayComment(currentMove - 1, commentList[currentMove]);
12774 if (gameMode == IcsExamining && !pausing) {
12775 SendToICS(ics_prefix);
12776 SendToICS("forward\n");
12778 ForwardInner(currentMove + 1);
12785 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12786 /* to optimze, we temporarily turn off analysis mode while we feed
12787 * the remaining moves to the engine. Otherwise we get analysis output
12790 if (first.analysisSupport) {
12791 SendToProgram("exit\nforce\n", &first);
12792 first.analyzing = FALSE;
12796 if (gameMode == IcsExamining && !pausing) {
12797 SendToICS(ics_prefix);
12798 SendToICS("forward 999999\n");
12800 ForwardInner(forwardMostMove);
12803 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12804 /* we have fed all the moves, so reactivate analysis mode */
12805 SendToProgram("analyze\n", &first);
12806 first.analyzing = TRUE;
12807 /*first.maybeThinking = TRUE;*/
12808 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12813 BackwardInner(target)
12816 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12818 if (appData.debugMode)
12819 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12820 target, currentMove, forwardMostMove);
12822 if (gameMode == EditPosition) return;
12823 if (currentMove <= backwardMostMove) {
12825 DrawPosition(full_redraw, boards[currentMove]);
12828 if (gameMode == PlayFromGameFile && !pausing)
12831 if (moveList[target][0]) {
12832 int fromX, fromY, toX, toY;
12833 toX = moveList[target][2] - AAA;
12834 toY = moveList[target][3] - ONE;
12835 if (moveList[target][1] == '@') {
12836 if (appData.highlightLastMove) {
12837 SetHighlights(-1, -1, toX, toY);
12840 fromX = moveList[target][0] - AAA;
12841 fromY = moveList[target][1] - ONE;
12842 if (target == currentMove - 1) {
12843 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12845 if (appData.highlightLastMove) {
12846 SetHighlights(fromX, fromY, toX, toY);
12850 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12851 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12852 while (currentMove > target) {
12853 SendToProgram("undo\n", &first);
12857 currentMove = target;
12860 if (gameMode == EditGame || gameMode == EndOfGame) {
12861 whiteTimeRemaining = timeRemaining[0][currentMove];
12862 blackTimeRemaining = timeRemaining[1][currentMove];
12864 DisplayBothClocks();
12865 DisplayMove(currentMove - 1);
12866 DrawPosition(full_redraw, boards[currentMove]);
12867 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12868 // [HGM] PV info: routine tests if comment empty
12869 DisplayComment(currentMove - 1, commentList[currentMove]);
12875 if (gameMode == IcsExamining && !pausing) {
12876 SendToICS(ics_prefix);
12877 SendToICS("backward\n");
12879 BackwardInner(currentMove - 1);
12886 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12887 /* to optimize, we temporarily turn off analysis mode while we undo
12888 * all the moves. Otherwise we get analysis output after each undo.
12890 if (first.analysisSupport) {
12891 SendToProgram("exit\nforce\n", &first);
12892 first.analyzing = FALSE;
12896 if (gameMode == IcsExamining && !pausing) {
12897 SendToICS(ics_prefix);
12898 SendToICS("backward 999999\n");
12900 BackwardInner(backwardMostMove);
12903 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12904 /* we have fed all the moves, so reactivate analysis mode */
12905 SendToProgram("analyze\n", &first);
12906 first.analyzing = TRUE;
12907 /*first.maybeThinking = TRUE;*/
12908 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12915 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12916 if (to >= forwardMostMove) to = forwardMostMove;
12917 if (to <= backwardMostMove) to = backwardMostMove;
12918 if (to < currentMove) {
12926 RevertEvent(Boolean annotate)
12928 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12931 if (gameMode != IcsExamining) {
12932 DisplayError(_("You are not examining a game"), 0);
12936 DisplayError(_("You can't revert while pausing"), 0);
12939 SendToICS(ics_prefix);
12940 SendToICS("revert\n");
12946 switch (gameMode) {
12947 case MachinePlaysWhite:
12948 case MachinePlaysBlack:
12949 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12950 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12953 if (forwardMostMove < 2) return;
12954 currentMove = forwardMostMove = forwardMostMove - 2;
12955 whiteTimeRemaining = timeRemaining[0][currentMove];
12956 blackTimeRemaining = timeRemaining[1][currentMove];
12957 DisplayBothClocks();
12958 DisplayMove(currentMove - 1);
12959 ClearHighlights();/*!! could figure this out*/
12960 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12961 SendToProgram("remove\n", &first);
12962 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12965 case BeginningOfGame:
12969 case IcsPlayingWhite:
12970 case IcsPlayingBlack:
12971 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12972 SendToICS(ics_prefix);
12973 SendToICS("takeback 2\n");
12975 SendToICS(ics_prefix);
12976 SendToICS("takeback 1\n");
12985 ChessProgramState *cps;
12987 switch (gameMode) {
12988 case MachinePlaysWhite:
12989 if (!WhiteOnMove(forwardMostMove)) {
12990 DisplayError(_("It is your turn"), 0);
12995 case MachinePlaysBlack:
12996 if (WhiteOnMove(forwardMostMove)) {
12997 DisplayError(_("It is your turn"), 0);
13002 case TwoMachinesPlay:
13003 if (WhiteOnMove(forwardMostMove) ==
13004 (first.twoMachinesColor[0] == 'w')) {
13010 case BeginningOfGame:
13014 SendToProgram("?\n", cps);
13018 TruncateGameEvent()
13021 if (gameMode != EditGame) return;
13028 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
13029 if (forwardMostMove > currentMove) {
13030 if (gameInfo.resultDetails != NULL) {
13031 free(gameInfo.resultDetails);
13032 gameInfo.resultDetails = NULL;
13033 gameInfo.result = GameUnfinished;
13035 forwardMostMove = currentMove;
13036 HistorySet(parseList, backwardMostMove, forwardMostMove,
13044 if (appData.noChessProgram) return;
13045 switch (gameMode) {
13046 case MachinePlaysWhite:
13047 if (WhiteOnMove(forwardMostMove)) {
13048 DisplayError(_("Wait until your turn"), 0);
13052 case BeginningOfGame:
13053 case MachinePlaysBlack:
13054 if (!WhiteOnMove(forwardMostMove)) {
13055 DisplayError(_("Wait until your turn"), 0);
13060 DisplayError(_("No hint available"), 0);
13063 SendToProgram("hint\n", &first);
13064 hintRequested = TRUE;
13070 if (appData.noChessProgram) return;
13071 switch (gameMode) {
13072 case MachinePlaysWhite:
13073 if (WhiteOnMove(forwardMostMove)) {
13074 DisplayError(_("Wait until your turn"), 0);
13078 case BeginningOfGame:
13079 case MachinePlaysBlack:
13080 if (!WhiteOnMove(forwardMostMove)) {
13081 DisplayError(_("Wait until your turn"), 0);
13086 EditPositionDone(TRUE);
13088 case TwoMachinesPlay:
13093 SendToProgram("bk\n", &first);
13094 bookOutput[0] = NULLCHAR;
13095 bookRequested = TRUE;
13101 char *tags = PGNTags(&gameInfo);
13102 TagsPopUp(tags, CmailMsg());
13106 /* end button procedures */
13109 PrintPosition(fp, move)
13115 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13116 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13117 char c = PieceToChar(boards[move][i][j]);
13118 fputc(c == 'x' ? '.' : c, fp);
13119 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13122 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13123 fprintf(fp, "white to play\n");
13125 fprintf(fp, "black to play\n");
13132 if (gameInfo.white != NULL) {
13133 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13139 /* Find last component of program's own name, using some heuristics */
13141 TidyProgramName(prog, host, buf)
13142 char *prog, *host, buf[MSG_SIZ];
13145 int local = (strcmp(host, "localhost") == 0);
13146 while (!local && (p = strchr(prog, ';')) != NULL) {
13148 while (*p == ' ') p++;
13151 if (*prog == '"' || *prog == '\'') {
13152 q = strchr(prog + 1, *prog);
13154 q = strchr(prog, ' ');
13156 if (q == NULL) q = prog + strlen(prog);
13158 while (p >= prog && *p != '/' && *p != '\\') p--;
13160 if(p == prog && *p == '"') p++;
13161 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13162 memcpy(buf, p, q - p);
13163 buf[q - p] = NULLCHAR;
13171 TimeControlTagValue()
13174 if (!appData.clockMode) {
13175 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
13176 } else if (movesPerSession > 0) {
13177 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
13178 } else if (timeIncrement == 0) {
13179 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
13181 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13183 return StrSave(buf);
13189 /* This routine is used only for certain modes */
13190 VariantClass v = gameInfo.variant;
13191 ChessMove r = GameUnfinished;
13194 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13195 r = gameInfo.result;
13196 p = gameInfo.resultDetails;
13197 gameInfo.resultDetails = NULL;
13199 ClearGameInfo(&gameInfo);
13200 gameInfo.variant = v;
13202 switch (gameMode) {
13203 case MachinePlaysWhite:
13204 gameInfo.event = StrSave( appData.pgnEventHeader );
13205 gameInfo.site = StrSave(HostName());
13206 gameInfo.date = PGNDate();
13207 gameInfo.round = StrSave("-");
13208 gameInfo.white = StrSave(first.tidy);
13209 gameInfo.black = StrSave(UserName());
13210 gameInfo.timeControl = TimeControlTagValue();
13213 case MachinePlaysBlack:
13214 gameInfo.event = StrSave( appData.pgnEventHeader );
13215 gameInfo.site = StrSave(HostName());
13216 gameInfo.date = PGNDate();
13217 gameInfo.round = StrSave("-");
13218 gameInfo.white = StrSave(UserName());
13219 gameInfo.black = StrSave(first.tidy);
13220 gameInfo.timeControl = TimeControlTagValue();
13223 case TwoMachinesPlay:
13224 gameInfo.event = StrSave( appData.pgnEventHeader );
13225 gameInfo.site = StrSave(HostName());
13226 gameInfo.date = PGNDate();
13227 if (matchGame > 0) {
13229 snprintf(buf, MSG_SIZ, "%d", matchGame);
13230 gameInfo.round = StrSave(buf);
13232 gameInfo.round = StrSave("-");
13234 if (first.twoMachinesColor[0] == 'w') {
13235 gameInfo.white = StrSave(first.tidy);
13236 gameInfo.black = StrSave(second.tidy);
13238 gameInfo.white = StrSave(second.tidy);
13239 gameInfo.black = StrSave(first.tidy);
13241 gameInfo.timeControl = TimeControlTagValue();
13245 gameInfo.event = StrSave("Edited game");
13246 gameInfo.site = StrSave(HostName());
13247 gameInfo.date = PGNDate();
13248 gameInfo.round = StrSave("-");
13249 gameInfo.white = StrSave("-");
13250 gameInfo.black = StrSave("-");
13251 gameInfo.result = r;
13252 gameInfo.resultDetails = p;
13256 gameInfo.event = StrSave("Edited position");
13257 gameInfo.site = StrSave(HostName());
13258 gameInfo.date = PGNDate();
13259 gameInfo.round = StrSave("-");
13260 gameInfo.white = StrSave("-");
13261 gameInfo.black = StrSave("-");
13264 case IcsPlayingWhite:
13265 case IcsPlayingBlack:
13270 case PlayFromGameFile:
13271 gameInfo.event = StrSave("Game from non-PGN file");
13272 gameInfo.site = StrSave(HostName());
13273 gameInfo.date = PGNDate();
13274 gameInfo.round = StrSave("-");
13275 gameInfo.white = StrSave("?");
13276 gameInfo.black = StrSave("?");
13285 ReplaceComment(index, text)
13291 while (*text == '\n') text++;
13292 len = strlen(text);
13293 while (len > 0 && text[len - 1] == '\n') len--;
13295 if (commentList[index] != NULL)
13296 free(commentList[index]);
13299 commentList[index] = NULL;
13302 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13303 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13304 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13305 commentList[index] = (char *) malloc(len + 2);
13306 strncpy(commentList[index], text, len);
13307 commentList[index][len] = '\n';
13308 commentList[index][len + 1] = NULLCHAR;
13310 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13312 commentList[index] = (char *) malloc(len + 7);
13313 safeStrCpy(commentList[index], "{\n", 3);
13314 safeStrCpy(commentList[index]+2, text, len+1);
13315 commentList[index][len+2] = NULLCHAR;
13316 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13317 strcat(commentList[index], "\n}\n");
13331 if (ch == '\r') continue;
13333 } while (ch != '\0');
13337 AppendComment(index, text, addBraces)
13340 Boolean addBraces; // [HGM] braces: tells if we should add {}
13345 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13346 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13349 while (*text == '\n') text++;
13350 len = strlen(text);
13351 while (len > 0 && text[len - 1] == '\n') len--;
13353 if (len == 0) return;
13355 if (commentList[index] != NULL) {
13356 old = commentList[index];
13357 oldlen = strlen(old);
13358 while(commentList[index][oldlen-1] == '\n')
13359 commentList[index][--oldlen] = NULLCHAR;
13360 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13361 safeStrCpy(commentList[index], old, oldlen);
13363 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13364 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13365 if(addBraces) addBraces = FALSE; else { text++; len--; }
13366 while (*text == '\n') { text++; len--; }
13367 commentList[index][--oldlen] = NULLCHAR;
13369 if(addBraces) strcat(commentList[index], "\n{\n");
13370 else strcat(commentList[index], "\n");
13371 strcat(commentList[index], text);
13372 if(addBraces) strcat(commentList[index], "\n}\n");
13373 else strcat(commentList[index], "\n");
13375 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13377 safeStrCpy(commentList[index], "{\n", 3);
13378 else commentList[index][0] = NULLCHAR;
13379 strcat(commentList[index], text);
13380 strcat(commentList[index], "\n");
13381 if(addBraces) strcat(commentList[index], "}\n");
13385 static char * FindStr( char * text, char * sub_text )
13387 char * result = strstr( text, sub_text );
13389 if( result != NULL ) {
13390 result += strlen( sub_text );
13396 /* [AS] Try to extract PV info from PGN comment */
13397 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13398 char *GetInfoFromComment( int index, char * text )
13402 if( text != NULL && index > 0 ) {
13405 int time = -1, sec = 0, deci;
13406 char * s_eval = FindStr( text, "[%eval " );
13407 char * s_emt = FindStr( text, "[%emt " );
13409 if( s_eval != NULL || s_emt != NULL ) {
13413 if( s_eval != NULL ) {
13414 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13418 if( delim != ']' ) {
13423 if( s_emt != NULL ) {
13428 /* We expect something like: [+|-]nnn.nn/dd */
13431 if(*text != '{') return text; // [HGM] braces: must be normal comment
13433 sep = strchr( text, '/' );
13434 if( sep == NULL || sep < (text+4) ) {
13438 time = -1; sec = -1; deci = -1;
13439 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13440 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13441 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13442 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13446 if( score_lo < 0 || score_lo >= 100 ) {
13450 if(sec >= 0) time = 600*time + 10*sec; else
13451 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13453 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13455 /* [HGM] PV time: now locate end of PV info */
13456 while( *++sep >= '0' && *sep <= '9'); // strip depth
13458 while( *++sep >= '0' && *sep <= '9'); // strip time
13460 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13462 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13463 while(*sep == ' ') sep++;
13474 pvInfoList[index-1].depth = depth;
13475 pvInfoList[index-1].score = score;
13476 pvInfoList[index-1].time = 10*time; // centi-sec
13477 if(*sep == '}') *sep = 0; else *--sep = '{';
13483 SendToProgram(message, cps)
13485 ChessProgramState *cps;
13487 int count, outCount, error;
13490 if (cps->pr == NULL) return;
13493 if (appData.debugMode) {
13496 fprintf(debugFP, "%ld >%-6s: %s",
13497 SubtractTimeMarks(&now, &programStartTime),
13498 cps->which, message);
13501 count = strlen(message);
13502 outCount = OutputToProcess(cps->pr, message, count, &error);
13503 if (outCount < count && !exiting
13504 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13505 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), cps->which);
13506 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13507 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13508 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13509 snprintf(buf, MSG_SIZ, "%s program exits in draw position (%s)", cps->which, cps->program);
13511 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13513 gameInfo.resultDetails = StrSave(buf);
13515 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13520 ReceiveFromProgram(isr, closure, message, count, error)
13521 InputSourceRef isr;
13529 ChessProgramState *cps = (ChessProgramState *)closure;
13531 if (isr != cps->isr) return; /* Killed intentionally */
13534 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
13535 cps->which, cps->program);
13536 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13537 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13538 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13539 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13541 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13543 gameInfo.resultDetails = StrSave(buf);
13545 RemoveInputSource(cps->isr);
13546 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13548 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
13549 cps->which, cps->program);
13550 RemoveInputSource(cps->isr);
13552 /* [AS] Program is misbehaving badly... kill it */
13553 if( count == -2 ) {
13554 DestroyChildProcess( cps->pr, 9 );
13558 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13563 if ((end_str = strchr(message, '\r')) != NULL)
13564 *end_str = NULLCHAR;
13565 if ((end_str = strchr(message, '\n')) != NULL)
13566 *end_str = NULLCHAR;
13568 if (appData.debugMode) {
13569 TimeMark now; int print = 1;
13570 char *quote = ""; char c; int i;
13572 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13573 char start = message[0];
13574 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13575 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13576 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13577 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13578 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13579 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13580 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13581 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
13582 sscanf(message, "hint: %c", &c)!=1 &&
13583 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13584 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13585 print = (appData.engineComments >= 2);
13587 message[0] = start; // restore original message
13591 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13592 SubtractTimeMarks(&now, &programStartTime), cps->which,
13598 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13599 if (appData.icsEngineAnalyze) {
13600 if (strstr(message, "whisper") != NULL ||
13601 strstr(message, "kibitz") != NULL ||
13602 strstr(message, "tellics") != NULL) return;
13605 HandleMachineMove(message, cps);
13610 SendTimeControl(cps, mps, tc, inc, sd, st)
13611 ChessProgramState *cps;
13612 int mps, inc, sd, st;
13618 if( timeControl_2 > 0 ) {
13619 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13620 tc = timeControl_2;
13623 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13624 inc /= cps->timeOdds;
13625 st /= cps->timeOdds;
13627 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13630 /* Set exact time per move, normally using st command */
13631 if (cps->stKludge) {
13632 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13634 if (seconds == 0) {
13635 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
13637 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
13640 snprintf(buf, MSG_SIZ, "st %d\n", st);
13643 /* Set conventional or incremental time control, using level command */
13644 if (seconds == 0) {
13645 /* Note old gnuchess bug -- minutes:seconds used to not work.
13646 Fixed in later versions, but still avoid :seconds
13647 when seconds is 0. */
13648 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
13650 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
13651 seconds, inc/1000.);
13654 SendToProgram(buf, cps);
13656 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13657 /* Orthogonally, limit search to given depth */
13659 if (cps->sdKludge) {
13660 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
13662 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
13664 SendToProgram(buf, cps);
13667 if(cps->nps > 0) { /* [HGM] nps */
13668 if(cps->supportsNPS == FALSE)
13669 cps->nps = -1; // don't use if engine explicitly says not supported!
13671 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
13672 SendToProgram(buf, cps);
13677 ChessProgramState *WhitePlayer()
13678 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13680 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13681 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13687 SendTimeRemaining(cps, machineWhite)
13688 ChessProgramState *cps;
13689 int /*boolean*/ machineWhite;
13691 char message[MSG_SIZ];
13694 /* Note: this routine must be called when the clocks are stopped
13695 or when they have *just* been set or switched; otherwise
13696 it will be off by the time since the current tick started.
13698 if (machineWhite) {
13699 time = whiteTimeRemaining / 10;
13700 otime = blackTimeRemaining / 10;
13702 time = blackTimeRemaining / 10;
13703 otime = whiteTimeRemaining / 10;
13705 /* [HGM] translate opponent's time by time-odds factor */
13706 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13707 if (appData.debugMode) {
13708 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13711 if (time <= 0) time = 1;
13712 if (otime <= 0) otime = 1;
13714 snprintf(message, MSG_SIZ, "time %ld\n", time);
13715 SendToProgram(message, cps);
13717 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
13718 SendToProgram(message, cps);
13722 BoolFeature(p, name, loc, cps)
13726 ChessProgramState *cps;
13729 int len = strlen(name);
13732 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13734 sscanf(*p, "%d", &val);
13736 while (**p && **p != ' ')
13738 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13739 SendToProgram(buf, cps);
13746 IntFeature(p, name, loc, cps)
13750 ChessProgramState *cps;
13753 int len = strlen(name);
13754 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13756 sscanf(*p, "%d", loc);
13757 while (**p && **p != ' ') (*p)++;
13758 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13759 SendToProgram(buf, cps);
13766 StringFeature(p, name, loc, cps)
13770 ChessProgramState *cps;
13773 int len = strlen(name);
13774 if (strncmp((*p), name, len) == 0
13775 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13777 sscanf(*p, "%[^\"]", loc);
13778 while (**p && **p != '\"') (*p)++;
13779 if (**p == '\"') (*p)++;
13780 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13781 SendToProgram(buf, cps);
13788 ParseOption(Option *opt, ChessProgramState *cps)
13789 // [HGM] options: process the string that defines an engine option, and determine
13790 // name, type, default value, and allowed value range
13792 char *p, *q, buf[MSG_SIZ];
13793 int n, min = (-1)<<31, max = 1<<31, def;
13795 if(p = strstr(opt->name, " -spin ")) {
13796 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13797 if(max < min) max = min; // enforce consistency
13798 if(def < min) def = min;
13799 if(def > max) def = max;
13804 } else if((p = strstr(opt->name, " -slider "))) {
13805 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13806 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13807 if(max < min) max = min; // enforce consistency
13808 if(def < min) def = min;
13809 if(def > max) def = max;
13813 opt->type = Spin; // Slider;
13814 } else if((p = strstr(opt->name, " -string "))) {
13815 opt->textValue = p+9;
13816 opt->type = TextBox;
13817 } else if((p = strstr(opt->name, " -file "))) {
13818 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13819 opt->textValue = p+7;
13820 opt->type = TextBox; // FileName;
13821 } else if((p = strstr(opt->name, " -path "))) {
13822 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13823 opt->textValue = p+7;
13824 opt->type = TextBox; // PathName;
13825 } else if(p = strstr(opt->name, " -check ")) {
13826 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13827 opt->value = (def != 0);
13828 opt->type = CheckBox;
13829 } else if(p = strstr(opt->name, " -combo ")) {
13830 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13831 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13832 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13833 opt->value = n = 0;
13834 while(q = StrStr(q, " /// ")) {
13835 n++; *q = 0; // count choices, and null-terminate each of them
13837 if(*q == '*') { // remember default, which is marked with * prefix
13841 cps->comboList[cps->comboCnt++] = q;
13843 cps->comboList[cps->comboCnt++] = NULL;
13845 opt->type = ComboBox;
13846 } else if(p = strstr(opt->name, " -button")) {
13847 opt->type = Button;
13848 } else if(p = strstr(opt->name, " -save")) {
13849 opt->type = SaveButton;
13850 } else return FALSE;
13851 *p = 0; // terminate option name
13852 // now look if the command-line options define a setting for this engine option.
13853 if(cps->optionSettings && cps->optionSettings[0])
13854 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13855 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13856 snprintf(buf, MSG_SIZ, "option %s", p);
13857 if(p = strstr(buf, ",")) *p = 0;
13858 if(q = strchr(buf, '=')) switch(opt->type) {
13860 for(n=0; n<opt->max; n++)
13861 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
13864 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
13868 opt->value = atoi(q+1);
13873 SendToProgram(buf, cps);
13879 FeatureDone(cps, val)
13880 ChessProgramState* cps;
13883 DelayedEventCallback cb = GetDelayedEvent();
13884 if ((cb == InitBackEnd3 && cps == &first) ||
13885 (cb == SettingsMenuIfReady && cps == &second) ||
13886 (cb == TwoMachinesEventIfReady && cps == &second)) {
13887 CancelDelayedEvent();
13888 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13890 cps->initDone = val;
13893 /* Parse feature command from engine */
13895 ParseFeatures(args, cps)
13897 ChessProgramState *cps;
13905 while (*p == ' ') p++;
13906 if (*p == NULLCHAR) return;
13908 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13909 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13910 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13911 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13912 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13913 if (BoolFeature(&p, "reuse", &val, cps)) {
13914 /* Engine can disable reuse, but can't enable it if user said no */
13915 if (!val) cps->reuse = FALSE;
13918 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13919 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13920 if (gameMode == TwoMachinesPlay) {
13921 DisplayTwoMachinesTitle();
13927 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13928 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13929 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13930 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13931 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13932 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13933 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13934 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13935 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13936 if (IntFeature(&p, "done", &val, cps)) {
13937 FeatureDone(cps, val);
13940 /* Added by Tord: */
13941 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13942 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13943 /* End of additions by Tord */
13945 /* [HGM] added features: */
13946 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13947 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13948 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13949 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13950 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13951 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13952 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13953 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13954 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13955 SendToProgram(buf, cps);
13958 if(cps->nrOptions >= MAX_OPTIONS) {
13960 snprintf(buf, MSG_SIZ, "%s engine has too many options\n", cps->which);
13961 DisplayError(buf, 0);
13965 /* End of additions by HGM */
13967 /* unknown feature: complain and skip */
13969 while (*q && *q != '=') q++;
13970 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
13971 SendToProgram(buf, cps);
13977 while (*p && *p != '\"') p++;
13978 if (*p == '\"') p++;
13980 while (*p && *p != ' ') p++;
13988 PeriodicUpdatesEvent(newState)
13991 if (newState == appData.periodicUpdates)
13994 appData.periodicUpdates=newState;
13996 /* Display type changes, so update it now */
13997 // DisplayAnalysis();
13999 /* Get the ball rolling again... */
14001 AnalysisPeriodicEvent(1);
14002 StartAnalysisClock();
14007 PonderNextMoveEvent(newState)
14010 if (newState == appData.ponderNextMove) return;
14011 if (gameMode == EditPosition) EditPositionDone(TRUE);
14013 SendToProgram("hard\n", &first);
14014 if (gameMode == TwoMachinesPlay) {
14015 SendToProgram("hard\n", &second);
14018 SendToProgram("easy\n", &first);
14019 thinkOutput[0] = NULLCHAR;
14020 if (gameMode == TwoMachinesPlay) {
14021 SendToProgram("easy\n", &second);
14024 appData.ponderNextMove = newState;
14028 NewSettingEvent(option, feature, command, value)
14030 int option, value, *feature;
14034 if (gameMode == EditPosition) EditPositionDone(TRUE);
14035 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
14036 if(feature == NULL || *feature) SendToProgram(buf, &first);
14037 if (gameMode == TwoMachinesPlay) {
14038 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
14043 ShowThinkingEvent()
14044 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
14046 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
14047 int newState = appData.showThinking
14048 // [HGM] thinking: other features now need thinking output as well
14049 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
14051 if (oldState == newState) return;
14052 oldState = newState;
14053 if (gameMode == EditPosition) EditPositionDone(TRUE);
14055 SendToProgram("post\n", &first);
14056 if (gameMode == TwoMachinesPlay) {
14057 SendToProgram("post\n", &second);
14060 SendToProgram("nopost\n", &first);
14061 thinkOutput[0] = NULLCHAR;
14062 if (gameMode == TwoMachinesPlay) {
14063 SendToProgram("nopost\n", &second);
14066 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
14070 AskQuestionEvent(title, question, replyPrefix, which)
14071 char *title; char *question; char *replyPrefix; char *which;
14073 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
14074 if (pr == NoProc) return;
14075 AskQuestion(title, question, replyPrefix, pr);
14079 DisplayMove(moveNumber)
14082 char message[MSG_SIZ];
14084 char cpThinkOutput[MSG_SIZ];
14086 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
14088 if (moveNumber == forwardMostMove - 1 ||
14089 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14091 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
14093 if (strchr(cpThinkOutput, '\n')) {
14094 *strchr(cpThinkOutput, '\n') = NULLCHAR;
14097 *cpThinkOutput = NULLCHAR;
14100 /* [AS] Hide thinking from human user */
14101 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
14102 *cpThinkOutput = NULLCHAR;
14103 if( thinkOutput[0] != NULLCHAR ) {
14106 for( i=0; i<=hiddenThinkOutputState; i++ ) {
14107 cpThinkOutput[i] = '.';
14109 cpThinkOutput[i] = NULLCHAR;
14110 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14114 if (moveNumber == forwardMostMove - 1 &&
14115 gameInfo.resultDetails != NULL) {
14116 if (gameInfo.resultDetails[0] == NULLCHAR) {
14117 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
14119 snprintf(res, MSG_SIZ, " {%s} %s",
14120 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
14126 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14127 DisplayMessage(res, cpThinkOutput);
14129 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
14130 WhiteOnMove(moveNumber) ? " " : ".. ",
14131 parseList[moveNumber], res);
14132 DisplayMessage(message, cpThinkOutput);
14137 DisplayComment(moveNumber, text)
14141 char title[MSG_SIZ];
14142 char buf[8000]; // comment can be long!
14145 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14146 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
14148 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
14149 WhiteOnMove(moveNumber) ? " " : ".. ",
14150 parseList[moveNumber]);
14152 // [HGM] PV info: display PV info together with (or as) comment
14153 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14154 if(text == NULL) text = "";
14155 score = pvInfoList[moveNumber].score;
14156 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14157 depth, (pvInfoList[moveNumber].time+50)/100, text);
14160 if (text != NULL && (appData.autoDisplayComment || commentUp))
14161 CommentPopUp(title, text);
14164 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14165 * might be busy thinking or pondering. It can be omitted if your
14166 * gnuchess is configured to stop thinking immediately on any user
14167 * input. However, that gnuchess feature depends on the FIONREAD
14168 * ioctl, which does not work properly on some flavors of Unix.
14172 ChessProgramState *cps;
14175 if (!cps->useSigint) return;
14176 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14177 switch (gameMode) {
14178 case MachinePlaysWhite:
14179 case MachinePlaysBlack:
14180 case TwoMachinesPlay:
14181 case IcsPlayingWhite:
14182 case IcsPlayingBlack:
14185 /* Skip if we know it isn't thinking */
14186 if (!cps->maybeThinking) return;
14187 if (appData.debugMode)
14188 fprintf(debugFP, "Interrupting %s\n", cps->which);
14189 InterruptChildProcess(cps->pr);
14190 cps->maybeThinking = FALSE;
14195 #endif /*ATTENTION*/
14201 if (whiteTimeRemaining <= 0) {
14204 if (appData.icsActive) {
14205 if (appData.autoCallFlag &&
14206 gameMode == IcsPlayingBlack && !blackFlag) {
14207 SendToICS(ics_prefix);
14208 SendToICS("flag\n");
14212 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14214 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14215 if (appData.autoCallFlag) {
14216 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14223 if (blackTimeRemaining <= 0) {
14226 if (appData.icsActive) {
14227 if (appData.autoCallFlag &&
14228 gameMode == IcsPlayingWhite && !whiteFlag) {
14229 SendToICS(ics_prefix);
14230 SendToICS("flag\n");
14234 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14236 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14237 if (appData.autoCallFlag) {
14238 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14251 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14252 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14255 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14257 if ( !WhiteOnMove(forwardMostMove) ) {
14258 /* White made time control */
14259 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
14260 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
14261 /* [HGM] time odds: correct new time quota for time odds! */
14262 / WhitePlayer()->timeOdds;
14263 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
14265 lastBlack -= blackTimeRemaining;
14266 /* Black made time control */
14267 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
14268 / WhitePlayer()->other->timeOdds;
14269 lastWhite = whiteTimeRemaining;
14274 DisplayBothClocks()
14276 int wom = gameMode == EditPosition ?
14277 !blackPlaysFirst : WhiteOnMove(currentMove);
14278 DisplayWhiteClock(whiteTimeRemaining, wom);
14279 DisplayBlackClock(blackTimeRemaining, !wom);
14283 /* Timekeeping seems to be a portability nightmare. I think everyone
14284 has ftime(), but I'm really not sure, so I'm including some ifdefs
14285 to use other calls if you don't. Clocks will be less accurate if
14286 you have neither ftime nor gettimeofday.
14289 /* VS 2008 requires the #include outside of the function */
14290 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14291 #include <sys/timeb.h>
14294 /* Get the current time as a TimeMark */
14299 #if HAVE_GETTIMEOFDAY
14301 struct timeval timeVal;
14302 struct timezone timeZone;
14304 gettimeofday(&timeVal, &timeZone);
14305 tm->sec = (long) timeVal.tv_sec;
14306 tm->ms = (int) (timeVal.tv_usec / 1000L);
14308 #else /*!HAVE_GETTIMEOFDAY*/
14311 // include <sys/timeb.h> / moved to just above start of function
14312 struct timeb timeB;
14315 tm->sec = (long) timeB.time;
14316 tm->ms = (int) timeB.millitm;
14318 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14319 tm->sec = (long) time(NULL);
14325 /* Return the difference in milliseconds between two
14326 time marks. We assume the difference will fit in a long!
14329 SubtractTimeMarks(tm2, tm1)
14330 TimeMark *tm2, *tm1;
14332 return 1000L*(tm2->sec - tm1->sec) +
14333 (long) (tm2->ms - tm1->ms);
14338 * Code to manage the game clocks.
14340 * In tournament play, black starts the clock and then white makes a move.
14341 * We give the human user a slight advantage if he is playing white---the
14342 * clocks don't run until he makes his first move, so it takes zero time.
14343 * Also, we don't account for network lag, so we could get out of sync
14344 * with GNU Chess's clock -- but then, referees are always right.
14347 static TimeMark tickStartTM;
14348 static long intendedTickLength;
14351 NextTickLength(timeRemaining)
14352 long timeRemaining;
14354 long nominalTickLength, nextTickLength;
14356 if (timeRemaining > 0L && timeRemaining <= 10000L)
14357 nominalTickLength = 100L;
14359 nominalTickLength = 1000L;
14360 nextTickLength = timeRemaining % nominalTickLength;
14361 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14363 return nextTickLength;
14366 /* Adjust clock one minute up or down */
14368 AdjustClock(Boolean which, int dir)
14370 if(which) blackTimeRemaining += 60000*dir;
14371 else whiteTimeRemaining += 60000*dir;
14372 DisplayBothClocks();
14375 /* Stop clocks and reset to a fresh time control */
14379 (void) StopClockTimer();
14380 if (appData.icsActive) {
14381 whiteTimeRemaining = blackTimeRemaining = 0;
14382 } else if (searchTime) {
14383 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14384 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14385 } else { /* [HGM] correct new time quote for time odds */
14386 whiteTC = blackTC = fullTimeControlString;
14387 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
14388 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
14390 if (whiteFlag || blackFlag) {
14392 whiteFlag = blackFlag = FALSE;
14394 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
14395 DisplayBothClocks();
14398 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14400 /* Decrement running clock by amount of time that has passed */
14404 long timeRemaining;
14405 long lastTickLength, fudge;
14408 if (!appData.clockMode) return;
14409 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14413 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14415 /* Fudge if we woke up a little too soon */
14416 fudge = intendedTickLength - lastTickLength;
14417 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14419 if (WhiteOnMove(forwardMostMove)) {
14420 if(whiteNPS >= 0) lastTickLength = 0;
14421 timeRemaining = whiteTimeRemaining -= lastTickLength;
14422 if(timeRemaining < 0 && !appData.icsActive) {
14423 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
14424 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
14425 whiteStartMove = forwardMostMove; whiteTC = nextSession;
14426 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
14429 DisplayWhiteClock(whiteTimeRemaining - fudge,
14430 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14432 if(blackNPS >= 0) lastTickLength = 0;
14433 timeRemaining = blackTimeRemaining -= lastTickLength;
14434 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
14435 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
14437 blackStartMove = forwardMostMove;
14438 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
14441 DisplayBlackClock(blackTimeRemaining - fudge,
14442 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14444 if (CheckFlags()) return;
14447 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14448 StartClockTimer(intendedTickLength);
14450 /* if the time remaining has fallen below the alarm threshold, sound the
14451 * alarm. if the alarm has sounded and (due to a takeback or time control
14452 * with increment) the time remaining has increased to a level above the
14453 * threshold, reset the alarm so it can sound again.
14456 if (appData.icsActive && appData.icsAlarm) {
14458 /* make sure we are dealing with the user's clock */
14459 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14460 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14463 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14464 alarmSounded = FALSE;
14465 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14467 alarmSounded = TRUE;
14473 /* A player has just moved, so stop the previously running
14474 clock and (if in clock mode) start the other one.
14475 We redisplay both clocks in case we're in ICS mode, because
14476 ICS gives us an update to both clocks after every move.
14477 Note that this routine is called *after* forwardMostMove
14478 is updated, so the last fractional tick must be subtracted
14479 from the color that is *not* on move now.
14482 SwitchClocks(int newMoveNr)
14484 long lastTickLength;
14486 int flagged = FALSE;
14490 if (StopClockTimer() && appData.clockMode) {
14491 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14492 if (!WhiteOnMove(forwardMostMove)) {
14493 if(blackNPS >= 0) lastTickLength = 0;
14494 blackTimeRemaining -= lastTickLength;
14495 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14496 // if(pvInfoList[forwardMostMove-1].time == -1)
14497 pvInfoList[forwardMostMove-1].time = // use GUI time
14498 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14500 if(whiteNPS >= 0) lastTickLength = 0;
14501 whiteTimeRemaining -= lastTickLength;
14502 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14503 // if(pvInfoList[forwardMostMove-1].time == -1)
14504 pvInfoList[forwardMostMove-1].time =
14505 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14507 flagged = CheckFlags();
14509 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14510 CheckTimeControl();
14512 if (flagged || !appData.clockMode) return;
14514 switch (gameMode) {
14515 case MachinePlaysBlack:
14516 case MachinePlaysWhite:
14517 case BeginningOfGame:
14518 if (pausing) return;
14522 case PlayFromGameFile:
14530 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14531 if(WhiteOnMove(forwardMostMove))
14532 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14533 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14537 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14538 whiteTimeRemaining : blackTimeRemaining);
14539 StartClockTimer(intendedTickLength);
14543 /* Stop both clocks */
14547 long lastTickLength;
14550 if (!StopClockTimer()) return;
14551 if (!appData.clockMode) return;
14555 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14556 if (WhiteOnMove(forwardMostMove)) {
14557 if(whiteNPS >= 0) lastTickLength = 0;
14558 whiteTimeRemaining -= lastTickLength;
14559 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14561 if(blackNPS >= 0) lastTickLength = 0;
14562 blackTimeRemaining -= lastTickLength;
14563 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14568 /* Start clock of player on move. Time may have been reset, so
14569 if clock is already running, stop and restart it. */
14573 (void) StopClockTimer(); /* in case it was running already */
14574 DisplayBothClocks();
14575 if (CheckFlags()) return;
14577 if (!appData.clockMode) return;
14578 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14580 GetTimeMark(&tickStartTM);
14581 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14582 whiteTimeRemaining : blackTimeRemaining);
14584 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14585 whiteNPS = blackNPS = -1;
14586 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14587 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14588 whiteNPS = first.nps;
14589 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14590 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14591 blackNPS = first.nps;
14592 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14593 whiteNPS = second.nps;
14594 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14595 blackNPS = second.nps;
14596 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14598 StartClockTimer(intendedTickLength);
14605 long second, minute, hour, day;
14607 static char buf[32];
14609 if (ms > 0 && ms <= 9900) {
14610 /* convert milliseconds to tenths, rounding up */
14611 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14613 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
14617 /* convert milliseconds to seconds, rounding up */
14618 /* use floating point to avoid strangeness of integer division
14619 with negative dividends on many machines */
14620 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14627 day = second / (60 * 60 * 24);
14628 second = second % (60 * 60 * 24);
14629 hour = second / (60 * 60);
14630 second = second % (60 * 60);
14631 minute = second / 60;
14632 second = second % 60;
14635 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
14636 sign, day, hour, minute, second);
14638 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14640 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
14647 * This is necessary because some C libraries aren't ANSI C compliant yet.
14650 StrStr(string, match)
14651 char *string, *match;
14655 length = strlen(match);
14657 for (i = strlen(string) - length; i >= 0; i--, string++)
14658 if (!strncmp(match, string, length))
14665 StrCaseStr(string, match)
14666 char *string, *match;
14670 length = strlen(match);
14672 for (i = strlen(string) - length; i >= 0; i--, string++) {
14673 for (j = 0; j < length; j++) {
14674 if (ToLower(match[j]) != ToLower(string[j]))
14677 if (j == length) return string;
14691 c1 = ToLower(*s1++);
14692 c2 = ToLower(*s2++);
14693 if (c1 > c2) return 1;
14694 if (c1 < c2) return -1;
14695 if (c1 == NULLCHAR) return 0;
14704 return isupper(c) ? tolower(c) : c;
14712 return islower(c) ? toupper(c) : c;
14714 #endif /* !_amigados */
14722 if ((ret = (char *) malloc(strlen(s) + 1)))
14724 safeStrCpy(ret, s, strlen(s)+1);
14730 StrSavePtr(s, savePtr)
14731 char *s, **savePtr;
14736 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14737 safeStrCpy(*savePtr, s, strlen(s)+1);
14749 clock = time((time_t *)NULL);
14750 tm = localtime(&clock);
14751 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
14752 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14753 return StrSave(buf);
14758 PositionToFEN(move, overrideCastling)
14760 char *overrideCastling;
14762 int i, j, fromX, fromY, toX, toY;
14769 whiteToPlay = (gameMode == EditPosition) ?
14770 !blackPlaysFirst : (move % 2 == 0);
14773 /* Piece placement data */
14774 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14776 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14777 if (boards[move][i][j] == EmptySquare) {
14779 } else { ChessSquare piece = boards[move][i][j];
14780 if (emptycount > 0) {
14781 if(emptycount<10) /* [HGM] can be >= 10 */
14782 *p++ = '0' + emptycount;
14783 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14786 if(PieceToChar(piece) == '+') {
14787 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14789 piece = (ChessSquare)(DEMOTED piece);
14791 *p++ = PieceToChar(piece);
14793 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14794 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14799 if (emptycount > 0) {
14800 if(emptycount<10) /* [HGM] can be >= 10 */
14801 *p++ = '0' + emptycount;
14802 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14809 /* [HGM] print Crazyhouse or Shogi holdings */
14810 if( gameInfo.holdingsWidth ) {
14811 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14813 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14814 piece = boards[move][i][BOARD_WIDTH-1];
14815 if( piece != EmptySquare )
14816 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14817 *p++ = PieceToChar(piece);
14819 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14820 piece = boards[move][BOARD_HEIGHT-i-1][0];
14821 if( piece != EmptySquare )
14822 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14823 *p++ = PieceToChar(piece);
14826 if( q == p ) *p++ = '-';
14832 *p++ = whiteToPlay ? 'w' : 'b';
14835 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14836 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14838 if(nrCastlingRights) {
14840 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14841 /* [HGM] write directly from rights */
14842 if(boards[move][CASTLING][2] != NoRights &&
14843 boards[move][CASTLING][0] != NoRights )
14844 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14845 if(boards[move][CASTLING][2] != NoRights &&
14846 boards[move][CASTLING][1] != NoRights )
14847 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14848 if(boards[move][CASTLING][5] != NoRights &&
14849 boards[move][CASTLING][3] != NoRights )
14850 *p++ = boards[move][CASTLING][3] + AAA;
14851 if(boards[move][CASTLING][5] != NoRights &&
14852 boards[move][CASTLING][4] != NoRights )
14853 *p++ = boards[move][CASTLING][4] + AAA;
14856 /* [HGM] write true castling rights */
14857 if( nrCastlingRights == 6 ) {
14858 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14859 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14860 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14861 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14862 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14863 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14864 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14865 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14868 if (q == p) *p++ = '-'; /* No castling rights */
14872 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14873 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14874 /* En passant target square */
14875 if (move > backwardMostMove) {
14876 fromX = moveList[move - 1][0] - AAA;
14877 fromY = moveList[move - 1][1] - ONE;
14878 toX = moveList[move - 1][2] - AAA;
14879 toY = moveList[move - 1][3] - ONE;
14880 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14881 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14882 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14884 /* 2-square pawn move just happened */
14886 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14890 } else if(move == backwardMostMove) {
14891 // [HGM] perhaps we should always do it like this, and forget the above?
14892 if((signed char)boards[move][EP_STATUS] >= 0) {
14893 *p++ = boards[move][EP_STATUS] + AAA;
14894 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14905 /* [HGM] find reversible plies */
14906 { int i = 0, j=move;
14908 if (appData.debugMode) { int k;
14909 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14910 for(k=backwardMostMove; k<=forwardMostMove; k++)
14911 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14915 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14916 if( j == backwardMostMove ) i += initialRulePlies;
14917 sprintf(p, "%d ", i);
14918 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14920 /* Fullmove number */
14921 sprintf(p, "%d", (move / 2) + 1);
14923 return StrSave(buf);
14927 ParseFEN(board, blackPlaysFirst, fen)
14929 int *blackPlaysFirst;
14939 /* [HGM] by default clear Crazyhouse holdings, if present */
14940 if(gameInfo.holdingsWidth) {
14941 for(i=0; i<BOARD_HEIGHT; i++) {
14942 board[i][0] = EmptySquare; /* black holdings */
14943 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14944 board[i][1] = (ChessSquare) 0; /* black counts */
14945 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14949 /* Piece placement data */
14950 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14953 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14954 if (*p == '/') p++;
14955 emptycount = gameInfo.boardWidth - j;
14956 while (emptycount--)
14957 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14959 #if(BOARD_FILES >= 10)
14960 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14961 p++; emptycount=10;
14962 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14963 while (emptycount--)
14964 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14966 } else if (isdigit(*p)) {
14967 emptycount = *p++ - '0';
14968 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14969 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14970 while (emptycount--)
14971 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14972 } else if (*p == '+' || isalpha(*p)) {
14973 if (j >= gameInfo.boardWidth) return FALSE;
14975 piece = CharToPiece(*++p);
14976 if(piece == EmptySquare) return FALSE; /* unknown piece */
14977 piece = (ChessSquare) (PROMOTED piece ); p++;
14978 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14979 } else piece = CharToPiece(*p++);
14981 if(piece==EmptySquare) return FALSE; /* unknown piece */
14982 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14983 piece = (ChessSquare) (PROMOTED piece);
14984 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14987 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14993 while (*p == '/' || *p == ' ') p++;
14995 /* [HGM] look for Crazyhouse holdings here */
14996 while(*p==' ') p++;
14997 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14999 if(*p == '-' ) p++; /* empty holdings */ else {
15000 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
15001 /* if we would allow FEN reading to set board size, we would */
15002 /* have to add holdings and shift the board read so far here */
15003 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
15005 if((int) piece >= (int) BlackPawn ) {
15006 i = (int)piece - (int)BlackPawn;
15007 i = PieceToNumber((ChessSquare)i);
15008 if( i >= gameInfo.holdingsSize ) return FALSE;
15009 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
15010 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
15012 i = (int)piece - (int)WhitePawn;
15013 i = PieceToNumber((ChessSquare)i);
15014 if( i >= gameInfo.holdingsSize ) return FALSE;
15015 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
15016 board[i][BOARD_WIDTH-2]++; /* black holdings */
15023 while(*p == ' ') p++;
15027 if(appData.colorNickNames) {
15028 if( c == appData.colorNickNames[0] ) c = 'w'; else
15029 if( c == appData.colorNickNames[1] ) c = 'b';
15033 *blackPlaysFirst = FALSE;
15036 *blackPlaysFirst = TRUE;
15042 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
15043 /* return the extra info in global variiables */
15045 /* set defaults in case FEN is incomplete */
15046 board[EP_STATUS] = EP_UNKNOWN;
15047 for(i=0; i<nrCastlingRights; i++ ) {
15048 board[CASTLING][i] =
15049 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
15050 } /* assume possible unless obviously impossible */
15051 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
15052 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
15053 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
15054 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
15055 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
15056 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
15057 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
15058 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
15061 while(*p==' ') p++;
15062 if(nrCastlingRights) {
15063 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
15064 /* castling indicator present, so default becomes no castlings */
15065 for(i=0; i<nrCastlingRights; i++ ) {
15066 board[CASTLING][i] = NoRights;
15069 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
15070 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
15071 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
15072 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
15073 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
15075 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
15076 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
15077 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
15079 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
15080 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
15081 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
15082 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
15083 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
15084 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
15087 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
15088 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
15089 board[CASTLING][2] = whiteKingFile;
15092 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
15093 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
15094 board[CASTLING][2] = whiteKingFile;
15097 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
15098 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
15099 board[CASTLING][5] = blackKingFile;
15102 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
15103 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
15104 board[CASTLING][5] = blackKingFile;
15107 default: /* FRC castlings */
15108 if(c >= 'a') { /* black rights */
15109 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15110 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
15111 if(i == BOARD_RGHT) break;
15112 board[CASTLING][5] = i;
15114 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
15115 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
15117 board[CASTLING][3] = c;
15119 board[CASTLING][4] = c;
15120 } else { /* white rights */
15121 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15122 if(board[0][i] == WhiteKing) break;
15123 if(i == BOARD_RGHT) break;
15124 board[CASTLING][2] = i;
15125 c -= AAA - 'a' + 'A';
15126 if(board[0][c] >= WhiteKing) break;
15128 board[CASTLING][0] = c;
15130 board[CASTLING][1] = c;
15134 for(i=0; i<nrCastlingRights; i++)
15135 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15136 if (appData.debugMode) {
15137 fprintf(debugFP, "FEN castling rights:");
15138 for(i=0; i<nrCastlingRights; i++)
15139 fprintf(debugFP, " %d", board[CASTLING][i]);
15140 fprintf(debugFP, "\n");
15143 while(*p==' ') p++;
15146 /* read e.p. field in games that know e.p. capture */
15147 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15148 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15150 p++; board[EP_STATUS] = EP_NONE;
15152 char c = *p++ - AAA;
15154 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
15155 if(*p >= '0' && *p <='9') p++;
15156 board[EP_STATUS] = c;
15161 if(sscanf(p, "%d", &i) == 1) {
15162 FENrulePlies = i; /* 50-move ply counter */
15163 /* (The move number is still ignored) */
15170 EditPositionPasteFEN(char *fen)
15173 Board initial_position;
15175 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15176 DisplayError(_("Bad FEN position in clipboard"), 0);
15179 int savedBlackPlaysFirst = blackPlaysFirst;
15180 EditPositionEvent();
15181 blackPlaysFirst = savedBlackPlaysFirst;
15182 CopyBoard(boards[0], initial_position);
15183 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15184 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15185 DisplayBothClocks();
15186 DrawPosition(FALSE, boards[currentMove]);
15191 static char cseq[12] = "\\ ";
15193 Boolean set_cont_sequence(char *new_seq)
15198 // handle bad attempts to set the sequence
15200 return 0; // acceptable error - no debug
15202 len = strlen(new_seq);
15203 ret = (len > 0) && (len < sizeof(cseq));
15205 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
15206 else if (appData.debugMode)
15207 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15212 reformat a source message so words don't cross the width boundary. internal
15213 newlines are not removed. returns the wrapped size (no null character unless
15214 included in source message). If dest is NULL, only calculate the size required
15215 for the dest buffer. lp argument indicats line position upon entry, and it's
15216 passed back upon exit.
15218 int wrap(char *dest, char *src, int count, int width, int *lp)
15220 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15222 cseq_len = strlen(cseq);
15223 old_line = line = *lp;
15224 ansi = len = clen = 0;
15226 for (i=0; i < count; i++)
15228 if (src[i] == '\033')
15231 // if we hit the width, back up
15232 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15234 // store i & len in case the word is too long
15235 old_i = i, old_len = len;
15237 // find the end of the last word
15238 while (i && src[i] != ' ' && src[i] != '\n')
15244 // word too long? restore i & len before splitting it
15245 if ((old_i-i+clen) >= width)
15252 if (i && src[i-1] == ' ')
15255 if (src[i] != ' ' && src[i] != '\n')
15262 // now append the newline and continuation sequence
15267 strncpy(dest+len, cseq, cseq_len);
15275 dest[len] = src[i];
15279 if (src[i] == '\n')
15284 if (dest && appData.debugMode)
15286 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15287 count, width, line, len, *lp);
15288 show_bytes(debugFP, src, count);
15289 fprintf(debugFP, "\ndest: ");
15290 show_bytes(debugFP, dest, len);
15291 fprintf(debugFP, "\n");
15293 *lp = dest ? line : old_line;
15298 // [HGM] vari: routines for shelving variations
15301 PushTail(int firstMove, int lastMove)
15303 int i, j, nrMoves = lastMove - firstMove;
15305 if(appData.icsActive) { // only in local mode
15306 forwardMostMove = currentMove; // mimic old ICS behavior
15309 if(storedGames >= MAX_VARIATIONS-1) return;
15311 // push current tail of game on stack
15312 savedResult[storedGames] = gameInfo.result;
15313 savedDetails[storedGames] = gameInfo.resultDetails;
15314 gameInfo.resultDetails = NULL;
15315 savedFirst[storedGames] = firstMove;
15316 savedLast [storedGames] = lastMove;
15317 savedFramePtr[storedGames] = framePtr;
15318 framePtr -= nrMoves; // reserve space for the boards
15319 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15320 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15321 for(j=0; j<MOVE_LEN; j++)
15322 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15323 for(j=0; j<2*MOVE_LEN; j++)
15324 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15325 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15326 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15327 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15328 pvInfoList[firstMove+i-1].depth = 0;
15329 commentList[framePtr+i] = commentList[firstMove+i];
15330 commentList[firstMove+i] = NULL;
15334 forwardMostMove = firstMove; // truncate game so we can start variation
15335 if(storedGames == 1) GreyRevert(FALSE);
15339 PopTail(Boolean annotate)
15342 char buf[8000], moveBuf[20];
15344 if(appData.icsActive) return FALSE; // only in local mode
15345 if(!storedGames) return FALSE; // sanity
15346 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15349 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15350 nrMoves = savedLast[storedGames] - currentMove;
15353 if(!WhiteOnMove(currentMove))
15354 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
15355 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
15356 for(i=currentMove; i<forwardMostMove; i++) {
15358 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
15359 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
15360 strcat(buf, moveBuf);
15361 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15362 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15366 for(i=1; i<=nrMoves; i++) { // copy last variation back
15367 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15368 for(j=0; j<MOVE_LEN; j++)
15369 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15370 for(j=0; j<2*MOVE_LEN; j++)
15371 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15372 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15373 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15374 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15375 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15376 commentList[currentMove+i] = commentList[framePtr+i];
15377 commentList[framePtr+i] = NULL;
15379 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15380 framePtr = savedFramePtr[storedGames];
15381 gameInfo.result = savedResult[storedGames];
15382 if(gameInfo.resultDetails != NULL) {
15383 free(gameInfo.resultDetails);
15385 gameInfo.resultDetails = savedDetails[storedGames];
15386 forwardMostMove = currentMove + nrMoves;
15387 if(storedGames == 0) GreyRevert(TRUE);
15393 { // remove all shelved variations
15395 for(i=0; i<storedGames; i++) {
15396 if(savedDetails[i])
15397 free(savedDetails[i]);
15398 savedDetails[i] = NULL;
15400 for(i=framePtr; i<MAX_MOVES; i++) {
15401 if(commentList[i]) free(commentList[i]);
15402 commentList[i] = NULL;
15404 framePtr = MAX_MOVES-1;
15409 LoadVariation(int index, char *text)
15410 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15411 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15412 int level = 0, move;
15414 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15415 // first find outermost bracketing variation
15416 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15417 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15418 if(*p == '{') wait = '}'; else
15419 if(*p == '[') wait = ']'; else
15420 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15421 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15423 if(*p == wait) wait = NULLCHAR; // closing ]} found
15426 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15427 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15428 end[1] = NULLCHAR; // clip off comment beyond variation
15429 ToNrEvent(currentMove-1);
15430 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15431 // kludge: use ParsePV() to append variation to game
15432 move = currentMove;
15433 ParsePV(start, TRUE);
15434 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15435 ClearPremoveHighlights();
15437 ToNrEvent(currentMove+1);