2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 #define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
62 #define DoSleep( n ) if( (n) >= 0) sleep(n)
72 #include <sys/types.h>
81 #else /* not STDC_HEADERS */
84 # else /* not HAVE_STRING_H */
86 # endif /* not HAVE_STRING_H */
87 #endif /* not STDC_HEADERS */
90 # include <sys/fcntl.h>
91 #else /* not HAVE_SYS_FCNTL_H */
94 # endif /* HAVE_FCNTL_H */
95 #endif /* not HAVE_SYS_FCNTL_H */
97 #if TIME_WITH_SYS_TIME
98 # include <sys/time.h>
102 # include <sys/time.h>
108 #if defined(_amigados) && !defined(__GNUC__)
113 extern int gettimeofday(struct timeval *, struct timezone *);
121 #include "frontend.h"
128 #include "backendz.h"
132 # define _(s) gettext (s)
133 # define N_(s) gettext_noop (s)
134 # define T_(s) gettext(s)
147 /* A point in time */
149 long sec; /* Assuming this is >= 32 bits */
150 int ms; /* Assuming this is >= 16 bits */
153 int establish P((void));
154 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
156 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
157 char *buf, int count, int error));
158 void ics_printf P((char *format, ...));
159 void SendToICS P((char *s));
160 void SendToICSDelayed P((char *s, long msdelay));
161 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
162 void HandleMachineMove P((char *message, ChessProgramState *cps));
163 int AutoPlayOneMove P((void));
164 int LoadGameOneMove P((ChessMove readAhead));
165 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
166 int LoadPositionFromFile P((char *filename, int n, char *title));
167 int SavePositionToFile P((char *filename));
168 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
170 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
171 void ShowMove P((int fromX, int fromY, int toX, int toY));
172 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
173 /*char*/int promoChar));
174 void BackwardInner P((int target));
175 void ForwardInner P((int target));
176 int Adjudicate P((ChessProgramState *cps));
177 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
178 void EditPositionDone P((Boolean fakeRights));
179 void PrintOpponents P((FILE *fp));
180 void PrintPosition P((FILE *fp, int move));
181 void StartChessProgram P((ChessProgramState *cps));
182 void SendToProgram P((char *message, ChessProgramState *cps));
183 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
184 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
185 char *buf, int count, int error));
186 void SendTimeControl P((ChessProgramState *cps,
187 int mps, long tc, int inc, int sd, int st));
188 char *TimeControlTagValue P((void));
189 void Attention P((ChessProgramState *cps));
190 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
191 void ResurrectChessProgram P((void));
192 void DisplayComment P((int moveNumber, char *text));
193 void DisplayMove P((int moveNumber));
195 void ParseGameHistory P((char *game));
196 void ParseBoard12 P((char *string));
197 void KeepAlive P((void));
198 void StartClocks P((void));
199 void SwitchClocks P((int nr));
200 void StopClocks P((void));
201 void ResetClocks P((void));
202 char *PGNDate P((void));
203 void SetGameInfo P((void));
204 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
205 int RegisterMove P((void));
206 void MakeRegisteredMove P((void));
207 void TruncateGame P((void));
208 int looking_at P((char *, int *, char *));
209 void CopyPlayerNameIntoFileName P((char **, char *));
210 char *SavePart P((char *));
211 int SaveGameOldStyle P((FILE *));
212 int SaveGamePGN P((FILE *));
213 void GetTimeMark P((TimeMark *));
214 long SubtractTimeMarks P((TimeMark *, TimeMark *));
215 int CheckFlags P((void));
216 long NextTickLength P((long));
217 void CheckTimeControl P((void));
218 void show_bytes P((FILE *, char *, int));
219 int string_to_rating P((char *str));
220 void ParseFeatures P((char* args, ChessProgramState *cps));
221 void InitBackEnd3 P((void));
222 void FeatureDone P((ChessProgramState* cps, int val));
223 void InitChessProgram P((ChessProgramState *cps, int setup));
224 void OutputKibitz(int window, char *text);
225 int PerpetualChase(int first, int last);
226 int EngineOutputIsUp();
227 void InitDrawingSizes(int x, int y);
230 extern void ConsoleCreate();
233 ChessProgramState *WhitePlayer();
234 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
235 int VerifyDisplayMode P(());
237 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
238 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
239 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
240 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
241 void ics_update_width P((int new_width));
242 extern char installDir[MSG_SIZ];
243 VariantClass startVariant; /* [HGM] nicks: initial variant */
245 extern int tinyLayout, smallLayout;
246 ChessProgramStats programStats;
247 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
249 static int exiting = 0; /* [HGM] moved to top */
250 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
251 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
252 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
253 int partnerHighlight[2];
254 Boolean partnerBoardValid = 0;
255 char partnerStatus[MSG_SIZ];
257 Boolean originalFlip;
258 Boolean twoBoards = 0;
259 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
260 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
261 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
262 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
263 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
264 int opponentKibitzes;
265 int lastSavedGame; /* [HGM] save: ID of game */
266 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
267 extern int chatCount;
269 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
271 /* States for ics_getting_history */
273 #define H_REQUESTED 1
274 #define H_GOT_REQ_HEADER 2
275 #define H_GOT_UNREQ_HEADER 3
276 #define H_GETTING_MOVES 4
277 #define H_GOT_UNWANTED_HEADER 5
279 /* whosays values for GameEnds */
288 /* Maximum number of games in a cmail message */
289 #define CMAIL_MAX_GAMES 20
291 /* Different types of move when calling RegisterMove */
293 #define CMAIL_RESIGN 1
295 #define CMAIL_ACCEPT 3
297 /* Different types of result to remember for each game */
298 #define CMAIL_NOT_RESULT 0
299 #define CMAIL_OLD_RESULT 1
300 #define CMAIL_NEW_RESULT 2
302 /* Telnet protocol constants */
313 safeStrCpy( char *dst, const char *src, size_t count )
316 assert( dst != NULL );
317 assert( src != NULL );
320 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
321 if( i == count && dst[count-1] != NULLCHAR)
323 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
324 if(appData.debugMode)
325 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst,count);
331 /* Some compiler can't cast u64 to double
332 * This function do the job for us:
334 * We use the highest bit for cast, this only
335 * works if the highest bit is not
336 * in use (This should not happen)
338 * We used this for all compiler
341 u64ToDouble(u64 value)
344 u64 tmp = value & u64Const(0x7fffffffffffffff);
345 r = (double)(s64)tmp;
346 if (value & u64Const(0x8000000000000000))
347 r += 9.2233720368547758080e18; /* 2^63 */
351 /* Fake up flags for now, as we aren't keeping track of castling
352 availability yet. [HGM] Change of logic: the flag now only
353 indicates the type of castlings allowed by the rule of the game.
354 The actual rights themselves are maintained in the array
355 castlingRights, as part of the game history, and are not probed
361 int flags = F_ALL_CASTLE_OK;
362 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
363 switch (gameInfo.variant) {
365 flags &= ~F_ALL_CASTLE_OK;
366 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
367 flags |= F_IGNORE_CHECK;
369 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
372 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
374 case VariantKriegspiel:
375 flags |= F_KRIEGSPIEL_CAPTURE;
377 case VariantCapaRandom:
378 case VariantFischeRandom:
379 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
380 case VariantNoCastle:
381 case VariantShatranj:
384 flags &= ~F_ALL_CASTLE_OK;
392 FILE *gameFileFP, *debugFP;
395 [AS] Note: sometimes, the sscanf() function is used to parse the input
396 into a fixed-size buffer. Because of this, we must be prepared to
397 receive strings as long as the size of the input buffer, which is currently
398 set to 4K for Windows and 8K for the rest.
399 So, we must either allocate sufficiently large buffers here, or
400 reduce the size of the input buffer in the input reading part.
403 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
404 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
405 char thinkOutput1[MSG_SIZ*10];
407 ChessProgramState first, second;
409 /* premove variables */
412 int premoveFromX = 0;
413 int premoveFromY = 0;
414 int premovePromoChar = 0;
416 Boolean alarmSounded;
417 /* end premove variables */
419 char *ics_prefix = "$";
420 int ics_type = ICS_GENERIC;
422 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
423 int pauseExamForwardMostMove = 0;
424 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
425 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
426 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
427 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
428 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
429 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
430 int whiteFlag = FALSE, blackFlag = FALSE;
431 int userOfferedDraw = FALSE;
432 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
433 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
434 int cmailMoveType[CMAIL_MAX_GAMES];
435 long ics_clock_paused = 0;
436 ProcRef icsPR = NoProc, cmailPR = NoProc;
437 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
438 GameMode gameMode = BeginningOfGame;
439 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
440 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
441 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
442 int hiddenThinkOutputState = 0; /* [AS] */
443 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
444 int adjudicateLossPlies = 6;
445 char white_holding[64], black_holding[64];
446 TimeMark lastNodeCountTime;
447 long lastNodeCount=0;
448 int shiftKey; // [HGM] set by mouse handler
450 int have_sent_ICS_logon = 0;
452 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
453 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
454 long timeControl_2; /* [AS] Allow separate time controls */
455 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
456 long timeRemaining[2][MAX_MOVES];
458 TimeMark programStartTime;
459 char ics_handle[MSG_SIZ];
460 int have_set_title = 0;
462 /* animateTraining preserves the state of appData.animate
463 * when Training mode is activated. This allows the
464 * response to be animated when appData.animate == TRUE and
465 * appData.animateDragging == TRUE.
467 Boolean animateTraining;
473 Board boards[MAX_MOVES];
474 /* [HGM] Following 7 needed for accurate legality tests: */
475 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
476 signed char initialRights[BOARD_FILES];
477 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
478 int initialRulePlies, FENrulePlies;
479 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
482 int mute; // mute all sounds
484 // [HGM] vari: next 12 to save and restore variations
485 #define MAX_VARIATIONS 10
486 int framePtr = MAX_MOVES-1; // points to free stack entry
488 int savedFirst[MAX_VARIATIONS];
489 int savedLast[MAX_VARIATIONS];
490 int savedFramePtr[MAX_VARIATIONS];
491 char *savedDetails[MAX_VARIATIONS];
492 ChessMove savedResult[MAX_VARIATIONS];
494 void PushTail P((int firstMove, int lastMove));
495 Boolean PopTail P((Boolean annotate));
496 void CleanupTail P((void));
498 ChessSquare FIDEArray[2][BOARD_FILES] = {
499 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
500 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
501 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
502 BlackKing, BlackBishop, BlackKnight, BlackRook }
505 ChessSquare twoKingsArray[2][BOARD_FILES] = {
506 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
507 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
508 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
509 BlackKing, BlackKing, BlackKnight, BlackRook }
512 ChessSquare KnightmateArray[2][BOARD_FILES] = {
513 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
514 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
515 { BlackRook, BlackMan, BlackBishop, BlackQueen,
516 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
519 ChessSquare SpartanArray[2][BOARD_FILES] = {
520 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
521 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
522 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
523 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
526 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
527 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
528 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
529 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
530 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
533 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
534 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
535 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
536 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
537 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
540 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
541 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
542 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
543 { BlackRook, BlackKnight, BlackMan, BlackFerz,
544 BlackKing, BlackMan, BlackKnight, BlackRook }
548 #if (BOARD_FILES>=10)
549 ChessSquare ShogiArray[2][BOARD_FILES] = {
550 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
551 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
552 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
553 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
556 ChessSquare XiangqiArray[2][BOARD_FILES] = {
557 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
558 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
559 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
560 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
563 ChessSquare CapablancaArray[2][BOARD_FILES] = {
564 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
565 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
566 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
567 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
570 ChessSquare GreatArray[2][BOARD_FILES] = {
571 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
572 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
573 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
574 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
577 ChessSquare JanusArray[2][BOARD_FILES] = {
578 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
579 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
580 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
581 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
585 ChessSquare GothicArray[2][BOARD_FILES] = {
586 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
587 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
588 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
589 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
592 #define GothicArray CapablancaArray
596 ChessSquare FalconArray[2][BOARD_FILES] = {
597 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
598 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
599 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
600 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
603 #define FalconArray CapablancaArray
606 #else // !(BOARD_FILES>=10)
607 #define XiangqiPosition FIDEArray
608 #define CapablancaArray FIDEArray
609 #define GothicArray FIDEArray
610 #define GreatArray FIDEArray
611 #endif // !(BOARD_FILES>=10)
613 #if (BOARD_FILES>=12)
614 ChessSquare CourierArray[2][BOARD_FILES] = {
615 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
616 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
617 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
618 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
620 #else // !(BOARD_FILES>=12)
621 #define CourierArray CapablancaArray
622 #endif // !(BOARD_FILES>=12)
625 Board initialPosition;
628 /* Convert str to a rating. Checks for special cases of "----",
630 "++++", etc. Also strips ()'s */
632 string_to_rating(str)
635 while(*str && !isdigit(*str)) ++str;
637 return 0; /* One of the special "no rating" cases */
645 /* Init programStats */
646 programStats.movelist[0] = 0;
647 programStats.depth = 0;
648 programStats.nr_moves = 0;
649 programStats.moves_left = 0;
650 programStats.nodes = 0;
651 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
652 programStats.score = 0;
653 programStats.got_only_move = 0;
654 programStats.got_fail = 0;
655 programStats.line_is_book = 0;
661 int matched, min, sec;
663 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
664 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
666 GetTimeMark(&programStartTime);
667 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
670 programStats.ok_to_send = 1;
671 programStats.seen_stat = 0;
674 * Initialize game list
680 * Internet chess server status
682 if (appData.icsActive) {
683 appData.matchMode = FALSE;
684 appData.matchGames = 0;
686 appData.noChessProgram = !appData.zippyPlay;
688 appData.zippyPlay = FALSE;
689 appData.zippyTalk = FALSE;
690 appData.noChessProgram = TRUE;
692 if (*appData.icsHelper != NULLCHAR) {
693 appData.useTelnet = TRUE;
694 appData.telnetProgram = appData.icsHelper;
697 appData.zippyTalk = appData.zippyPlay = FALSE;
700 /* [AS] Initialize pv info list [HGM] and game state */
704 for( i=0; i<=framePtr; i++ ) {
705 pvInfoList[i].depth = -1;
706 boards[i][EP_STATUS] = EP_NONE;
707 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
712 * Parse timeControl resource
714 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
715 appData.movesPerSession)) {
717 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
718 DisplayFatalError(buf, 0, 2);
722 * Parse searchTime resource
724 if (*appData.searchTime != NULLCHAR) {
725 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
727 searchTime = min * 60;
728 } else if (matched == 2) {
729 searchTime = min * 60 + sec;
732 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
733 DisplayFatalError(buf, 0, 2);
737 /* [AS] Adjudication threshold */
738 adjudicateLossThreshold = appData.adjudicateLossThreshold;
740 first.which = _("first");
741 second.which = _("second");
742 first.maybeThinking = second.maybeThinking = FALSE;
743 first.pr = second.pr = NoProc;
744 first.isr = second.isr = NULL;
745 first.sendTime = second.sendTime = 2;
746 first.sendDrawOffers = 1;
747 if (appData.firstPlaysBlack) {
748 first.twoMachinesColor = "black\n";
749 second.twoMachinesColor = "white\n";
751 first.twoMachinesColor = "white\n";
752 second.twoMachinesColor = "black\n";
754 first.program = appData.firstChessProgram;
755 second.program = appData.secondChessProgram;
756 first.host = appData.firstHost;
757 second.host = appData.secondHost;
758 first.dir = appData.firstDirectory;
759 second.dir = appData.secondDirectory;
760 first.other = &second;
761 second.other = &first;
762 first.initString = appData.initString;
763 second.initString = appData.secondInitString;
764 first.computerString = appData.firstComputerString;
765 second.computerString = appData.secondComputerString;
766 first.useSigint = second.useSigint = TRUE;
767 first.useSigterm = second.useSigterm = TRUE;
768 first.reuse = appData.reuseFirst;
769 second.reuse = appData.reuseSecond;
770 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
771 second.nps = appData.secondNPS;
772 first.useSetboard = second.useSetboard = FALSE;
773 first.useSAN = second.useSAN = FALSE;
774 first.usePing = second.usePing = FALSE;
775 first.lastPing = second.lastPing = 0;
776 first.lastPong = second.lastPong = 0;
777 first.usePlayother = second.usePlayother = FALSE;
778 first.useColors = second.useColors = TRUE;
779 first.useUsermove = second.useUsermove = FALSE;
780 first.sendICS = second.sendICS = FALSE;
781 first.sendName = second.sendName = appData.icsActive;
782 first.sdKludge = second.sdKludge = FALSE;
783 first.stKludge = second.stKludge = FALSE;
784 TidyProgramName(first.program, first.host, first.tidy);
785 TidyProgramName(second.program, second.host, second.tidy);
786 first.matchWins = second.matchWins = 0;
787 safeStrCpy(first.variants, appData.variant, sizeof(first.variants)/sizeof(first.variants[0]));
788 safeStrCpy(second.variants, appData.variant,sizeof(second.variants)/sizeof(second.variants[0]));
789 first.analysisSupport = second.analysisSupport = 2; /* detect */
790 first.analyzing = second.analyzing = FALSE;
791 first.initDone = second.initDone = FALSE;
793 /* New features added by Tord: */
794 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
795 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
796 /* End of new features added by Tord. */
797 first.fenOverride = appData.fenOverride1;
798 second.fenOverride = appData.fenOverride2;
800 /* [HGM] time odds: set factor for each machine */
801 first.timeOdds = appData.firstTimeOdds;
802 second.timeOdds = appData.secondTimeOdds;
804 if(appData.timeOddsMode) {
805 norm = first.timeOdds;
806 if(norm > second.timeOdds) norm = second.timeOdds;
808 first.timeOdds /= norm;
809 second.timeOdds /= norm;
812 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
813 first.accumulateTC = appData.firstAccumulateTC;
814 second.accumulateTC = appData.secondAccumulateTC;
815 first.maxNrOfSessions = second.maxNrOfSessions = 1;
818 first.debug = second.debug = FALSE;
819 first.supportsNPS = second.supportsNPS = UNKNOWN;
822 first.optionSettings = appData.firstOptions;
823 second.optionSettings = appData.secondOptions;
825 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
826 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
827 first.isUCI = appData.firstIsUCI; /* [AS] */
828 second.isUCI = appData.secondIsUCI; /* [AS] */
829 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
830 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
832 if (appData.firstProtocolVersion > PROTOVER
833 || appData.firstProtocolVersion < 1)
838 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
839 appData.firstProtocolVersion);
840 if( (len > MSG_SIZ) && appData.debugMode )
841 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
843 DisplayFatalError(buf, 0, 2);
847 first.protocolVersion = appData.firstProtocolVersion;
850 if (appData.secondProtocolVersion > PROTOVER
851 || appData.secondProtocolVersion < 1)
856 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
857 appData.secondProtocolVersion);
858 if( (len > MSG_SIZ) && appData.debugMode )
859 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
861 DisplayFatalError(buf, 0, 2);
865 second.protocolVersion = appData.secondProtocolVersion;
868 if (appData.icsActive) {
869 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
870 // } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
871 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
872 appData.clockMode = FALSE;
873 first.sendTime = second.sendTime = 0;
877 /* Override some settings from environment variables, for backward
878 compatibility. Unfortunately it's not feasible to have the env
879 vars just set defaults, at least in xboard. Ugh.
881 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
886 if (appData.noChessProgram) {
887 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
888 sprintf(programVersion, "%s", PACKAGE_STRING);
890 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
891 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
892 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
895 if (!appData.icsActive) {
899 /* Check for variants that are supported only in ICS mode,
900 or not at all. Some that are accepted here nevertheless
901 have bugs; see comments below.
903 VariantClass variant = StringToVariant(appData.variant);
905 case VariantBughouse: /* need four players and two boards */
906 case VariantKriegspiel: /* need to hide pieces and move details */
907 /* case VariantFischeRandom: (Fabien: moved below) */
908 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
909 if( (len > MSG_SIZ) && appData.debugMode )
910 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
912 DisplayFatalError(buf, 0, 2);
916 case VariantLoadable:
926 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
927 if( (len > MSG_SIZ) && appData.debugMode )
928 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
930 DisplayFatalError(buf, 0, 2);
933 case VariantXiangqi: /* [HGM] repetition rules not implemented */
934 case VariantFairy: /* [HGM] TestLegality definitely off! */
935 case VariantGothic: /* [HGM] should work */
936 case VariantCapablanca: /* [HGM] should work */
937 case VariantCourier: /* [HGM] initial forced moves not implemented */
938 case VariantShogi: /* [HGM] could still mate with pawn drop */
939 case VariantKnightmate: /* [HGM] should work */
940 case VariantCylinder: /* [HGM] untested */
941 case VariantFalcon: /* [HGM] untested */
942 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
943 offboard interposition not understood */
944 case VariantNormal: /* definitely works! */
945 case VariantWildCastle: /* pieces not automatically shuffled */
946 case VariantNoCastle: /* pieces not automatically shuffled */
947 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
948 case VariantLosers: /* should work except for win condition,
949 and doesn't know captures are mandatory */
950 case VariantSuicide: /* should work except for win condition,
951 and doesn't know captures are mandatory */
952 case VariantGiveaway: /* should work except for win condition,
953 and doesn't know captures are mandatory */
954 case VariantTwoKings: /* should work */
955 case VariantAtomic: /* should work except for win condition */
956 case Variant3Check: /* should work except for win condition */
957 case VariantShatranj: /* should work except for all win conditions */
958 case VariantMakruk: /* should work except for daw countdown */
959 case VariantBerolina: /* might work if TestLegality is off */
960 case VariantCapaRandom: /* should work */
961 case VariantJanus: /* should work */
962 case VariantSuper: /* experimental */
963 case VariantGreat: /* experimental, requires legality testing to be off */
964 case VariantSChess: /* S-Chess, should work */
965 case VariantSpartan: /* should work */
970 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
971 InitEngineUCI( installDir, &second );
974 int NextIntegerFromString( char ** str, long * value )
979 while( *s == ' ' || *s == '\t' ) {
985 if( *s >= '0' && *s <= '9' ) {
986 while( *s >= '0' && *s <= '9' ) {
987 *value = *value * 10 + (*s - '0');
999 int NextTimeControlFromString( char ** str, long * value )
1002 int result = NextIntegerFromString( str, &temp );
1005 *value = temp * 60; /* Minutes */
1006 if( **str == ':' ) {
1008 result = NextIntegerFromString( str, &temp );
1009 *value += temp; /* Seconds */
1016 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1017 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1018 int result = -1, type = 0; long temp, temp2;
1020 if(**str != ':') return -1; // old params remain in force!
1022 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1023 if( NextIntegerFromString( str, &temp ) ) return -1;
1024 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1027 /* time only: incremental or sudden-death time control */
1028 if(**str == '+') { /* increment follows; read it */
1030 if(**str == '!') type = *(*str)++; // Bronstein TC
1031 if(result = NextIntegerFromString( str, &temp2)) return -1;
1032 *inc = temp2 * 1000;
1033 if(**str == '.') { // read fraction of increment
1034 char *start = ++(*str);
1035 if(result = NextIntegerFromString( str, &temp2)) return -1;
1037 while(start++ < *str) temp2 /= 10;
1041 *moves = 0; *tc = temp * 1000; *incType = type;
1045 (*str)++; /* classical time control */
1046 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1057 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1058 { /* [HGM] get time to add from the multi-session time-control string */
1059 int incType, moves=1; /* kludge to force reading of first session */
1060 long time, increment;
1063 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1064 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1066 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1067 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1068 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1069 if(movenr == -1) return time; /* last move before new session */
1070 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1071 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1072 if(!moves) return increment; /* current session is incremental */
1073 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1074 } while(movenr >= -1); /* try again for next session */
1076 return 0; // no new time quota on this move
1080 ParseTimeControl(tc, ti, mps)
1087 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1090 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1091 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1092 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1096 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1098 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1101 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1103 snprintf(buf, MSG_SIZ, ":%s", mytc);
1105 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1107 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1112 /* Parse second time control */
1115 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1123 timeControl_2 = tc2 * 1000;
1133 timeControl = tc1 * 1000;
1136 timeIncrement = ti * 1000; /* convert to ms */
1137 movesPerSession = 0;
1140 movesPerSession = mps;
1148 if (appData.debugMode) {
1149 fprintf(debugFP, "%s\n", programVersion);
1152 set_cont_sequence(appData.wrapContSeq);
1153 if (appData.matchGames > 0) {
1154 appData.matchMode = TRUE;
1155 } else if (appData.matchMode) {
1156 appData.matchGames = 1;
1158 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1159 appData.matchGames = appData.sameColorGames;
1160 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1161 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1162 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1165 if (appData.noChessProgram || first.protocolVersion == 1) {
1168 /* kludge: allow timeout for initial "feature" commands */
1170 DisplayMessage("", _("Starting chess program"));
1171 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1176 InitBackEnd3 P((void))
1178 GameMode initialMode;
1182 InitChessProgram(&first, startedFromSetupPosition);
1184 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1185 free(programVersion);
1186 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1187 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1190 if (appData.icsActive) {
1192 /* [DM] Make a console window if needed [HGM] merged ifs */
1198 if (*appData.icsCommPort != NULLCHAR)
1199 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1200 appData.icsCommPort);
1202 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1203 appData.icsHost, appData.icsPort);
1205 if( (len > MSG_SIZ) && appData.debugMode )
1206 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1208 DisplayFatalError(buf, err, 1);
1213 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1215 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1216 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1217 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1218 } else if (appData.noChessProgram) {
1224 if (*appData.cmailGameName != NULLCHAR) {
1226 OpenLoopback(&cmailPR);
1228 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1232 DisplayMessage("", "");
1233 if (StrCaseCmp(appData.initialMode, "") == 0) {
1234 initialMode = BeginningOfGame;
1235 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1236 initialMode = TwoMachinesPlay;
1237 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1238 initialMode = AnalyzeFile;
1239 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1240 initialMode = AnalyzeMode;
1241 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1242 initialMode = MachinePlaysWhite;
1243 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1244 initialMode = MachinePlaysBlack;
1245 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1246 initialMode = EditGame;
1247 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1248 initialMode = EditPosition;
1249 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1250 initialMode = Training;
1252 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1253 if( (len > MSG_SIZ) && appData.debugMode )
1254 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1256 DisplayFatalError(buf, 0, 2);
1260 if (appData.matchMode) {
1261 /* Set up machine vs. machine match */
1262 if (appData.noChessProgram) {
1263 DisplayFatalError(_("Can't have a match with no chess programs"),
1269 if (*appData.loadGameFile != NULLCHAR) {
1270 int index = appData.loadGameIndex; // [HGM] autoinc
1271 if(index<0) lastIndex = index = 1;
1272 if (!LoadGameFromFile(appData.loadGameFile,
1274 appData.loadGameFile, FALSE)) {
1275 DisplayFatalError(_("Bad game file"), 0, 1);
1278 } else if (*appData.loadPositionFile != NULLCHAR) {
1279 int index = appData.loadPositionIndex; // [HGM] autoinc
1280 if(index<0) lastIndex = index = 1;
1281 if (!LoadPositionFromFile(appData.loadPositionFile,
1283 appData.loadPositionFile)) {
1284 DisplayFatalError(_("Bad position file"), 0, 1);
1289 } else if (*appData.cmailGameName != NULLCHAR) {
1290 /* Set up cmail mode */
1291 ReloadCmailMsgEvent(TRUE);
1293 /* Set up other modes */
1294 if (initialMode == AnalyzeFile) {
1295 if (*appData.loadGameFile == NULLCHAR) {
1296 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1300 if (*appData.loadGameFile != NULLCHAR) {
1301 (void) LoadGameFromFile(appData.loadGameFile,
1302 appData.loadGameIndex,
1303 appData.loadGameFile, TRUE);
1304 } else if (*appData.loadPositionFile != NULLCHAR) {
1305 (void) LoadPositionFromFile(appData.loadPositionFile,
1306 appData.loadPositionIndex,
1307 appData.loadPositionFile);
1308 /* [HGM] try to make self-starting even after FEN load */
1309 /* to allow automatic setup of fairy variants with wtm */
1310 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1311 gameMode = BeginningOfGame;
1312 setboardSpoiledMachineBlack = 1;
1314 /* [HGM] loadPos: make that every new game uses the setup */
1315 /* from file as long as we do not switch variant */
1316 if(!blackPlaysFirst) {
1317 startedFromPositionFile = TRUE;
1318 CopyBoard(filePosition, boards[0]);
1321 if (initialMode == AnalyzeMode) {
1322 if (appData.noChessProgram) {
1323 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1326 if (appData.icsActive) {
1327 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1331 } else if (initialMode == AnalyzeFile) {
1332 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1333 ShowThinkingEvent();
1335 AnalysisPeriodicEvent(1);
1336 } else if (initialMode == MachinePlaysWhite) {
1337 if (appData.noChessProgram) {
1338 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1342 if (appData.icsActive) {
1343 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1347 MachineWhiteEvent();
1348 } else if (initialMode == MachinePlaysBlack) {
1349 if (appData.noChessProgram) {
1350 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1354 if (appData.icsActive) {
1355 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1359 MachineBlackEvent();
1360 } else if (initialMode == TwoMachinesPlay) {
1361 if (appData.noChessProgram) {
1362 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1366 if (appData.icsActive) {
1367 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1372 } else if (initialMode == EditGame) {
1374 } else if (initialMode == EditPosition) {
1375 EditPositionEvent();
1376 } else if (initialMode == Training) {
1377 if (*appData.loadGameFile == NULLCHAR) {
1378 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1387 * Establish will establish a contact to a remote host.port.
1388 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1389 * used to talk to the host.
1390 * Returns 0 if okay, error code if not.
1397 if (*appData.icsCommPort != NULLCHAR) {
1398 /* Talk to the host through a serial comm port */
1399 return OpenCommPort(appData.icsCommPort, &icsPR);
1401 } else if (*appData.gateway != NULLCHAR) {
1402 if (*appData.remoteShell == NULLCHAR) {
1403 /* Use the rcmd protocol to run telnet program on a gateway host */
1404 snprintf(buf, sizeof(buf), "%s %s %s",
1405 appData.telnetProgram, appData.icsHost, appData.icsPort);
1406 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1409 /* Use the rsh program to run telnet program on a gateway host */
1410 if (*appData.remoteUser == NULLCHAR) {
1411 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1412 appData.gateway, appData.telnetProgram,
1413 appData.icsHost, appData.icsPort);
1415 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1416 appData.remoteShell, appData.gateway,
1417 appData.remoteUser, appData.telnetProgram,
1418 appData.icsHost, appData.icsPort);
1420 return StartChildProcess(buf, "", &icsPR);
1423 } else if (appData.useTelnet) {
1424 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1427 /* TCP socket interface differs somewhat between
1428 Unix and NT; handle details in the front end.
1430 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1434 void EscapeExpand(char *p, char *q)
1435 { // [HGM] initstring: routine to shape up string arguments
1436 while(*p++ = *q++) if(p[-1] == '\\')
1438 case 'n': p[-1] = '\n'; break;
1439 case 'r': p[-1] = '\r'; break;
1440 case 't': p[-1] = '\t'; break;
1441 case '\\': p[-1] = '\\'; break;
1442 case 0: *p = 0; return;
1443 default: p[-1] = q[-1]; break;
1448 show_bytes(fp, buf, count)
1454 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1455 fprintf(fp, "\\%03o", *buf & 0xff);
1464 /* Returns an errno value */
1466 OutputMaybeTelnet(pr, message, count, outError)
1472 char buf[8192], *p, *q, *buflim;
1473 int left, newcount, outcount;
1475 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1476 *appData.gateway != NULLCHAR) {
1477 if (appData.debugMode) {
1478 fprintf(debugFP, ">ICS: ");
1479 show_bytes(debugFP, message, count);
1480 fprintf(debugFP, "\n");
1482 return OutputToProcess(pr, message, count, outError);
1485 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1492 if (appData.debugMode) {
1493 fprintf(debugFP, ">ICS: ");
1494 show_bytes(debugFP, buf, newcount);
1495 fprintf(debugFP, "\n");
1497 outcount = OutputToProcess(pr, buf, newcount, outError);
1498 if (outcount < newcount) return -1; /* to be sure */
1505 } else if (((unsigned char) *p) == TN_IAC) {
1506 *q++ = (char) TN_IAC;
1513 if (appData.debugMode) {
1514 fprintf(debugFP, ">ICS: ");
1515 show_bytes(debugFP, buf, newcount);
1516 fprintf(debugFP, "\n");
1518 outcount = OutputToProcess(pr, buf, newcount, outError);
1519 if (outcount < newcount) return -1; /* to be sure */
1524 read_from_player(isr, closure, message, count, error)
1531 int outError, outCount;
1532 static int gotEof = 0;
1534 /* Pass data read from player on to ICS */
1537 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1538 if (outCount < count) {
1539 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1541 } else if (count < 0) {
1542 RemoveInputSource(isr);
1543 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1544 } else if (gotEof++ > 0) {
1545 RemoveInputSource(isr);
1546 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1552 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1553 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1554 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1555 SendToICS("date\n");
1556 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1559 /* added routine for printf style output to ics */
1560 void ics_printf(char *format, ...)
1562 char buffer[MSG_SIZ];
1565 va_start(args, format);
1566 vsnprintf(buffer, sizeof(buffer), format, args);
1567 buffer[sizeof(buffer)-1] = '\0';
1576 int count, outCount, outError;
1578 if (icsPR == NULL) return;
1581 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1582 if (outCount < count) {
1583 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1587 /* This is used for sending logon scripts to the ICS. Sending
1588 without a delay causes problems when using timestamp on ICC
1589 (at least on my machine). */
1591 SendToICSDelayed(s,msdelay)
1595 int count, outCount, outError;
1597 if (icsPR == NULL) return;
1600 if (appData.debugMode) {
1601 fprintf(debugFP, ">ICS: ");
1602 show_bytes(debugFP, s, count);
1603 fprintf(debugFP, "\n");
1605 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1607 if (outCount < count) {
1608 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1613 /* Remove all highlighting escape sequences in s
1614 Also deletes any suffix starting with '('
1617 StripHighlightAndTitle(s)
1620 static char retbuf[MSG_SIZ];
1623 while (*s != NULLCHAR) {
1624 while (*s == '\033') {
1625 while (*s != NULLCHAR && !isalpha(*s)) s++;
1626 if (*s != NULLCHAR) s++;
1628 while (*s != NULLCHAR && *s != '\033') {
1629 if (*s == '(' || *s == '[') {
1640 /* Remove all highlighting escape sequences in s */
1645 static char retbuf[MSG_SIZ];
1648 while (*s != NULLCHAR) {
1649 while (*s == '\033') {
1650 while (*s != NULLCHAR && !isalpha(*s)) s++;
1651 if (*s != NULLCHAR) s++;
1653 while (*s != NULLCHAR && *s != '\033') {
1661 char *variantNames[] = VARIANT_NAMES;
1666 return variantNames[v];
1670 /* Identify a variant from the strings the chess servers use or the
1671 PGN Variant tag names we use. */
1678 VariantClass v = VariantNormal;
1679 int i, found = FALSE;
1685 /* [HGM] skip over optional board-size prefixes */
1686 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1687 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1688 while( *e++ != '_');
1691 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1695 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1696 if (StrCaseStr(e, variantNames[i])) {
1697 v = (VariantClass) i;
1704 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1705 || StrCaseStr(e, "wild/fr")
1706 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1707 v = VariantFischeRandom;
1708 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1709 (i = 1, p = StrCaseStr(e, "w"))) {
1711 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1718 case 0: /* FICS only, actually */
1720 /* Castling legal even if K starts on d-file */
1721 v = VariantWildCastle;
1726 /* Castling illegal even if K & R happen to start in
1727 normal positions. */
1728 v = VariantNoCastle;
1741 /* Castling legal iff K & R start in normal positions */
1747 /* Special wilds for position setup; unclear what to do here */
1748 v = VariantLoadable;
1751 /* Bizarre ICC game */
1752 v = VariantTwoKings;
1755 v = VariantKriegspiel;
1761 v = VariantFischeRandom;
1764 v = VariantCrazyhouse;
1767 v = VariantBughouse;
1773 /* Not quite the same as FICS suicide! */
1774 v = VariantGiveaway;
1780 v = VariantShatranj;
1783 /* Temporary names for future ICC types. The name *will* change in
1784 the next xboard/WinBoard release after ICC defines it. */
1822 v = VariantCapablanca;
1825 v = VariantKnightmate;
1831 v = VariantCylinder;
1837 v = VariantCapaRandom;
1840 v = VariantBerolina;
1852 /* Found "wild" or "w" in the string but no number;
1853 must assume it's normal chess. */
1857 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
1858 if( (len > MSG_SIZ) && appData.debugMode )
1859 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
1861 DisplayError(buf, 0);
1867 if (appData.debugMode) {
1868 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1869 e, wnum, VariantName(v));
1874 static int leftover_start = 0, leftover_len = 0;
1875 char star_match[STAR_MATCH_N][MSG_SIZ];
1877 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1878 advance *index beyond it, and set leftover_start to the new value of
1879 *index; else return FALSE. If pattern contains the character '*', it
1880 matches any sequence of characters not containing '\r', '\n', or the
1881 character following the '*' (if any), and the matched sequence(s) are
1882 copied into star_match.
1885 looking_at(buf, index, pattern)
1890 char *bufp = &buf[*index], *patternp = pattern;
1892 char *matchp = star_match[0];
1895 if (*patternp == NULLCHAR) {
1896 *index = leftover_start = bufp - buf;
1900 if (*bufp == NULLCHAR) return FALSE;
1901 if (*patternp == '*') {
1902 if (*bufp == *(patternp + 1)) {
1904 matchp = star_match[++star_count];
1908 } else if (*bufp == '\n' || *bufp == '\r') {
1910 if (*patternp == NULLCHAR)
1915 *matchp++ = *bufp++;
1919 if (*patternp != *bufp) return FALSE;
1926 SendToPlayer(data, length)
1930 int error, outCount;
1931 outCount = OutputToProcess(NoProc, data, length, &error);
1932 if (outCount < length) {
1933 DisplayFatalError(_("Error writing to display"), error, 1);
1938 PackHolding(packed, holding)
1950 switch (runlength) {
1961 sprintf(q, "%d", runlength);
1973 /* Telnet protocol requests from the front end */
1975 TelnetRequest(ddww, option)
1976 unsigned char ddww, option;
1978 unsigned char msg[3];
1979 int outCount, outError;
1981 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1983 if (appData.debugMode) {
1984 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2000 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2009 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2012 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2017 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2019 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2026 if (!appData.icsActive) return;
2027 TelnetRequest(TN_DO, TN_ECHO);
2033 if (!appData.icsActive) return;
2034 TelnetRequest(TN_DONT, TN_ECHO);
2038 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2040 /* put the holdings sent to us by the server on the board holdings area */
2041 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2045 if(gameInfo.holdingsWidth < 2) return;
2046 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2047 return; // prevent overwriting by pre-board holdings
2049 if( (int)lowestPiece >= BlackPawn ) {
2052 holdingsStartRow = BOARD_HEIGHT-1;
2055 holdingsColumn = BOARD_WIDTH-1;
2056 countsColumn = BOARD_WIDTH-2;
2057 holdingsStartRow = 0;
2061 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2062 board[i][holdingsColumn] = EmptySquare;
2063 board[i][countsColumn] = (ChessSquare) 0;
2065 while( (p=*holdings++) != NULLCHAR ) {
2066 piece = CharToPiece( ToUpper(p) );
2067 if(piece == EmptySquare) continue;
2068 /*j = (int) piece - (int) WhitePawn;*/
2069 j = PieceToNumber(piece);
2070 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2071 if(j < 0) continue; /* should not happen */
2072 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2073 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2074 board[holdingsStartRow+j*direction][countsColumn]++;
2080 VariantSwitch(Board board, VariantClass newVariant)
2082 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2083 static Board oldBoard;
2085 startedFromPositionFile = FALSE;
2086 if(gameInfo.variant == newVariant) return;
2088 /* [HGM] This routine is called each time an assignment is made to
2089 * gameInfo.variant during a game, to make sure the board sizes
2090 * are set to match the new variant. If that means adding or deleting
2091 * holdings, we shift the playing board accordingly
2092 * This kludge is needed because in ICS observe mode, we get boards
2093 * of an ongoing game without knowing the variant, and learn about the
2094 * latter only later. This can be because of the move list we requested,
2095 * in which case the game history is refilled from the beginning anyway,
2096 * but also when receiving holdings of a crazyhouse game. In the latter
2097 * case we want to add those holdings to the already received position.
2101 if (appData.debugMode) {
2102 fprintf(debugFP, "Switch board from %s to %s\n",
2103 VariantName(gameInfo.variant), VariantName(newVariant));
2104 setbuf(debugFP, NULL);
2106 shuffleOpenings = 0; /* [HGM] shuffle */
2107 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2111 newWidth = 9; newHeight = 9;
2112 gameInfo.holdingsSize = 7;
2113 case VariantBughouse:
2114 case VariantCrazyhouse:
2115 newHoldingsWidth = 2; break;
2119 newHoldingsWidth = 2;
2120 gameInfo.holdingsSize = 8;
2123 case VariantCapablanca:
2124 case VariantCapaRandom:
2127 newHoldingsWidth = gameInfo.holdingsSize = 0;
2130 if(newWidth != gameInfo.boardWidth ||
2131 newHeight != gameInfo.boardHeight ||
2132 newHoldingsWidth != gameInfo.holdingsWidth ) {
2134 /* shift position to new playing area, if needed */
2135 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2136 for(i=0; i<BOARD_HEIGHT; i++)
2137 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2138 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2140 for(i=0; i<newHeight; i++) {
2141 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2142 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2144 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2145 for(i=0; i<BOARD_HEIGHT; i++)
2146 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2147 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2150 gameInfo.boardWidth = newWidth;
2151 gameInfo.boardHeight = newHeight;
2152 gameInfo.holdingsWidth = newHoldingsWidth;
2153 gameInfo.variant = newVariant;
2154 InitDrawingSizes(-2, 0);
2155 } else gameInfo.variant = newVariant;
2156 CopyBoard(oldBoard, board); // remember correctly formatted board
2157 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2158 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2161 static int loggedOn = FALSE;
2163 /*-- Game start info cache: --*/
2165 char gs_kind[MSG_SIZ];
2166 static char player1Name[128] = "";
2167 static char player2Name[128] = "";
2168 static char cont_seq[] = "\n\\ ";
2169 static int player1Rating = -1;
2170 static int player2Rating = -1;
2171 /*----------------------------*/
2173 ColorClass curColor = ColorNormal;
2174 int suppressKibitz = 0;
2177 Boolean soughtPending = FALSE;
2178 Boolean seekGraphUp;
2179 #define MAX_SEEK_ADS 200
2181 char *seekAdList[MAX_SEEK_ADS];
2182 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2183 float tcList[MAX_SEEK_ADS];
2184 char colorList[MAX_SEEK_ADS];
2185 int nrOfSeekAds = 0;
2186 int minRating = 1010, maxRating = 2800;
2187 int hMargin = 10, vMargin = 20, h, w;
2188 extern int squareSize, lineGap;
2193 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2194 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2195 if(r < minRating+100 && r >=0 ) r = minRating+100;
2196 if(r > maxRating) r = maxRating;
2197 if(tc < 1.) tc = 1.;
2198 if(tc > 95.) tc = 95.;
2199 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2200 y = ((double)r - minRating)/(maxRating - minRating)
2201 * (h-vMargin-squareSize/8-1) + vMargin;
2202 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2203 if(strstr(seekAdList[i], " u ")) color = 1;
2204 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2205 !strstr(seekAdList[i], "bullet") &&
2206 !strstr(seekAdList[i], "blitz") &&
2207 !strstr(seekAdList[i], "standard") ) color = 2;
2208 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2209 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2213 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2215 char buf[MSG_SIZ], *ext = "";
2216 VariantClass v = StringToVariant(type);
2217 if(strstr(type, "wild")) {
2218 ext = type + 4; // append wild number
2219 if(v == VariantFischeRandom) type = "chess960"; else
2220 if(v == VariantLoadable) type = "setup"; else
2221 type = VariantName(v);
2223 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2224 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2225 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2226 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2227 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2228 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2229 seekNrList[nrOfSeekAds] = nr;
2230 zList[nrOfSeekAds] = 0;
2231 seekAdList[nrOfSeekAds++] = StrSave(buf);
2232 if(plot) PlotSeekAd(nrOfSeekAds-1);
2239 int x = xList[i], y = yList[i], d=squareSize/4, k;
2240 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2241 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2242 // now replot every dot that overlapped
2243 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2244 int xx = xList[k], yy = yList[k];
2245 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2246 DrawSeekDot(xx, yy, colorList[k]);
2251 RemoveSeekAd(int nr)
2254 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2256 if(seekAdList[i]) free(seekAdList[i]);
2257 seekAdList[i] = seekAdList[--nrOfSeekAds];
2258 seekNrList[i] = seekNrList[nrOfSeekAds];
2259 ratingList[i] = ratingList[nrOfSeekAds];
2260 colorList[i] = colorList[nrOfSeekAds];
2261 tcList[i] = tcList[nrOfSeekAds];
2262 xList[i] = xList[nrOfSeekAds];
2263 yList[i] = yList[nrOfSeekAds];
2264 zList[i] = zList[nrOfSeekAds];
2265 seekAdList[nrOfSeekAds] = NULL;
2271 MatchSoughtLine(char *line)
2273 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2274 int nr, base, inc, u=0; char dummy;
2276 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2277 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2279 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2280 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2281 // match: compact and save the line
2282 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2292 if(!seekGraphUp) return FALSE;
2293 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2294 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2296 DrawSeekBackground(0, 0, w, h);
2297 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2298 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2299 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2300 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2302 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2305 snprintf(buf, MSG_SIZ, "%d", i);
2306 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2309 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2310 for(i=1; i<100; i+=(i<10?1:5)) {
2311 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2312 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2313 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2315 snprintf(buf, MSG_SIZ, "%d", i);
2316 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2319 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2323 int SeekGraphClick(ClickType click, int x, int y, int moving)
2325 static int lastDown = 0, displayed = 0, lastSecond;
2326 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2327 if(click == Release || moving) return FALSE;
2329 soughtPending = TRUE;
2330 SendToICS(ics_prefix);
2331 SendToICS("sought\n"); // should this be "sought all"?
2332 } else { // issue challenge based on clicked ad
2333 int dist = 10000; int i, closest = 0, second = 0;
2334 for(i=0; i<nrOfSeekAds; i++) {
2335 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2336 if(d < dist) { dist = d; closest = i; }
2337 second += (d - zList[i] < 120); // count in-range ads
2338 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2342 second = (second > 1);
2343 if(displayed != closest || second != lastSecond) {
2344 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2345 lastSecond = second; displayed = closest;
2347 if(click == Press) {
2348 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2351 } // on press 'hit', only show info
2352 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2353 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2354 SendToICS(ics_prefix);
2356 return TRUE; // let incoming board of started game pop down the graph
2357 } else if(click == Release) { // release 'miss' is ignored
2358 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2359 if(moving == 2) { // right up-click
2360 nrOfSeekAds = 0; // refresh graph
2361 soughtPending = TRUE;
2362 SendToICS(ics_prefix);
2363 SendToICS("sought\n"); // should this be "sought all"?
2366 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2367 // press miss or release hit 'pop down' seek graph
2368 seekGraphUp = FALSE;
2369 DrawPosition(TRUE, NULL);
2375 read_from_ics(isr, closure, data, count, error)
2382 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2383 #define STARTED_NONE 0
2384 #define STARTED_MOVES 1
2385 #define STARTED_BOARD 2
2386 #define STARTED_OBSERVE 3
2387 #define STARTED_HOLDINGS 4
2388 #define STARTED_CHATTER 5
2389 #define STARTED_COMMENT 6
2390 #define STARTED_MOVES_NOHIDE 7
2392 static int started = STARTED_NONE;
2393 static char parse[20000];
2394 static int parse_pos = 0;
2395 static char buf[BUF_SIZE + 1];
2396 static int firstTime = TRUE, intfSet = FALSE;
2397 static ColorClass prevColor = ColorNormal;
2398 static int savingComment = FALSE;
2399 static int cmatch = 0; // continuation sequence match
2406 int backup; /* [DM] For zippy color lines */
2408 char talker[MSG_SIZ]; // [HGM] chat
2411 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2413 if (appData.debugMode) {
2415 fprintf(debugFP, "<ICS: ");
2416 show_bytes(debugFP, data, count);
2417 fprintf(debugFP, "\n");
2421 if (appData.debugMode) { int f = forwardMostMove;
2422 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2423 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2424 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2427 /* If last read ended with a partial line that we couldn't parse,
2428 prepend it to the new read and try again. */
2429 if (leftover_len > 0) {
2430 for (i=0; i<leftover_len; i++)
2431 buf[i] = buf[leftover_start + i];
2434 /* copy new characters into the buffer */
2435 bp = buf + leftover_len;
2436 buf_len=leftover_len;
2437 for (i=0; i<count; i++)
2440 if (data[i] == '\r')
2443 // join lines split by ICS?
2444 if (!appData.noJoin)
2447 Joining just consists of finding matches against the
2448 continuation sequence, and discarding that sequence
2449 if found instead of copying it. So, until a match
2450 fails, there's nothing to do since it might be the
2451 complete sequence, and thus, something we don't want
2454 if (data[i] == cont_seq[cmatch])
2457 if (cmatch == strlen(cont_seq))
2459 cmatch = 0; // complete match. just reset the counter
2462 it's possible for the ICS to not include the space
2463 at the end of the last word, making our [correct]
2464 join operation fuse two separate words. the server
2465 does this when the space occurs at the width setting.
2467 if (!buf_len || buf[buf_len-1] != ' ')
2478 match failed, so we have to copy what matched before
2479 falling through and copying this character. In reality,
2480 this will only ever be just the newline character, but
2481 it doesn't hurt to be precise.
2483 strncpy(bp, cont_seq, cmatch);
2495 buf[buf_len] = NULLCHAR;
2496 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2501 while (i < buf_len) {
2502 /* Deal with part of the TELNET option negotiation
2503 protocol. We refuse to do anything beyond the
2504 defaults, except that we allow the WILL ECHO option,
2505 which ICS uses to turn off password echoing when we are
2506 directly connected to it. We reject this option
2507 if localLineEditing mode is on (always on in xboard)
2508 and we are talking to port 23, which might be a real
2509 telnet server that will try to keep WILL ECHO on permanently.
2511 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2512 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2513 unsigned char option;
2515 switch ((unsigned char) buf[++i]) {
2517 if (appData.debugMode)
2518 fprintf(debugFP, "\n<WILL ");
2519 switch (option = (unsigned char) buf[++i]) {
2521 if (appData.debugMode)
2522 fprintf(debugFP, "ECHO ");
2523 /* Reply only if this is a change, according
2524 to the protocol rules. */
2525 if (remoteEchoOption) break;
2526 if (appData.localLineEditing &&
2527 atoi(appData.icsPort) == TN_PORT) {
2528 TelnetRequest(TN_DONT, TN_ECHO);
2531 TelnetRequest(TN_DO, TN_ECHO);
2532 remoteEchoOption = TRUE;
2536 if (appData.debugMode)
2537 fprintf(debugFP, "%d ", option);
2538 /* Whatever this is, we don't want it. */
2539 TelnetRequest(TN_DONT, option);
2544 if (appData.debugMode)
2545 fprintf(debugFP, "\n<WONT ");
2546 switch (option = (unsigned char) buf[++i]) {
2548 if (appData.debugMode)
2549 fprintf(debugFP, "ECHO ");
2550 /* Reply only if this is a change, according
2551 to the protocol rules. */
2552 if (!remoteEchoOption) break;
2554 TelnetRequest(TN_DONT, TN_ECHO);
2555 remoteEchoOption = FALSE;
2558 if (appData.debugMode)
2559 fprintf(debugFP, "%d ", (unsigned char) option);
2560 /* Whatever this is, it must already be turned
2561 off, because we never agree to turn on
2562 anything non-default, so according to the
2563 protocol rules, we don't reply. */
2568 if (appData.debugMode)
2569 fprintf(debugFP, "\n<DO ");
2570 switch (option = (unsigned char) buf[++i]) {
2572 /* Whatever this is, we refuse to do it. */
2573 if (appData.debugMode)
2574 fprintf(debugFP, "%d ", option);
2575 TelnetRequest(TN_WONT, option);
2580 if (appData.debugMode)
2581 fprintf(debugFP, "\n<DONT ");
2582 switch (option = (unsigned char) buf[++i]) {
2584 if (appData.debugMode)
2585 fprintf(debugFP, "%d ", option);
2586 /* Whatever this is, we are already not doing
2587 it, because we never agree to do anything
2588 non-default, so according to the protocol
2589 rules, we don't reply. */
2594 if (appData.debugMode)
2595 fprintf(debugFP, "\n<IAC ");
2596 /* Doubled IAC; pass it through */
2600 if (appData.debugMode)
2601 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2602 /* Drop all other telnet commands on the floor */
2605 if (oldi > next_out)
2606 SendToPlayer(&buf[next_out], oldi - next_out);
2612 /* OK, this at least will *usually* work */
2613 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2617 if (loggedOn && !intfSet) {
2618 if (ics_type == ICS_ICC) {
2619 snprintf(str, MSG_SIZ,
2620 "/set-quietly interface %s\n/set-quietly style 12\n",
2622 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2623 strcat(str, "/set-2 51 1\n/set seek 1\n");
2624 } else if (ics_type == ICS_CHESSNET) {
2625 snprintf(str, MSG_SIZ, "/style 12\n");
2627 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2628 strcat(str, programVersion);
2629 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2630 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2631 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2633 strcat(str, "$iset nohighlight 1\n");
2635 strcat(str, "$iset lock 1\n$style 12\n");
2638 NotifyFrontendLogin();
2642 if (started == STARTED_COMMENT) {
2643 /* Accumulate characters in comment */
2644 parse[parse_pos++] = buf[i];
2645 if (buf[i] == '\n') {
2646 parse[parse_pos] = NULLCHAR;
2647 if(chattingPartner>=0) {
2649 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2650 OutputChatMessage(chattingPartner, mess);
2651 chattingPartner = -1;
2652 next_out = i+1; // [HGM] suppress printing in ICS window
2654 if(!suppressKibitz) // [HGM] kibitz
2655 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2656 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2657 int nrDigit = 0, nrAlph = 0, j;
2658 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2659 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2660 parse[parse_pos] = NULLCHAR;
2661 // try to be smart: if it does not look like search info, it should go to
2662 // ICS interaction window after all, not to engine-output window.
2663 for(j=0; j<parse_pos; j++) { // count letters and digits
2664 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2665 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2666 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2668 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2669 int depth=0; float score;
2670 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2671 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2672 pvInfoList[forwardMostMove-1].depth = depth;
2673 pvInfoList[forwardMostMove-1].score = 100*score;
2675 OutputKibitz(suppressKibitz, parse);
2678 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2679 SendToPlayer(tmp, strlen(tmp));
2681 next_out = i+1; // [HGM] suppress printing in ICS window
2683 started = STARTED_NONE;
2685 /* Don't match patterns against characters in comment */
2690 if (started == STARTED_CHATTER) {
2691 if (buf[i] != '\n') {
2692 /* Don't match patterns against characters in chatter */
2696 started = STARTED_NONE;
2697 if(suppressKibitz) next_out = i+1;
2700 /* Kludge to deal with rcmd protocol */
2701 if (firstTime && looking_at(buf, &i, "\001*")) {
2702 DisplayFatalError(&buf[1], 0, 1);
2708 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2711 if (appData.debugMode)
2712 fprintf(debugFP, "ics_type %d\n", ics_type);
2715 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2716 ics_type = ICS_FICS;
2718 if (appData.debugMode)
2719 fprintf(debugFP, "ics_type %d\n", ics_type);
2722 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2723 ics_type = ICS_CHESSNET;
2725 if (appData.debugMode)
2726 fprintf(debugFP, "ics_type %d\n", ics_type);
2731 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2732 looking_at(buf, &i, "Logging you in as \"*\"") ||
2733 looking_at(buf, &i, "will be \"*\""))) {
2734 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
2738 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2740 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2741 DisplayIcsInteractionTitle(buf);
2742 have_set_title = TRUE;
2745 /* skip finger notes */
2746 if (started == STARTED_NONE &&
2747 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2748 (buf[i] == '1' && buf[i+1] == '0')) &&
2749 buf[i+2] == ':' && buf[i+3] == ' ') {
2750 started = STARTED_CHATTER;
2756 // [HGM] seekgraph: recognize sought lines and end-of-sought message
2757 if(appData.seekGraph) {
2758 if(soughtPending && MatchSoughtLine(buf+i)) {
2759 i = strstr(buf+i, "rated") - buf;
2760 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2761 next_out = leftover_start = i;
2762 started = STARTED_CHATTER;
2763 suppressKibitz = TRUE;
2766 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
2767 && looking_at(buf, &i, "* ads displayed")) {
2768 soughtPending = FALSE;
2773 if(appData.autoRefresh) {
2774 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
2775 int s = (ics_type == ICS_ICC); // ICC format differs
2777 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
2778 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
2779 looking_at(buf, &i, "*% "); // eat prompt
2780 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
2781 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2782 next_out = i; // suppress
2785 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
2786 char *p = star_match[0];
2788 if(seekGraphUp) RemoveSeekAd(atoi(p));
2789 while(*p && *p++ != ' '); // next
2791 looking_at(buf, &i, "*% "); // eat prompt
2792 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2799 /* skip formula vars */
2800 if (started == STARTED_NONE &&
2801 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2802 started = STARTED_CHATTER;
2807 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2808 if (appData.autoKibitz && started == STARTED_NONE &&
2809 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2810 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2811 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
2812 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2813 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2814 suppressKibitz = TRUE;
2815 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2817 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2818 && (gameMode == IcsPlayingWhite)) ||
2819 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2820 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2821 started = STARTED_CHATTER; // own kibitz we simply discard
2823 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2824 parse_pos = 0; parse[0] = NULLCHAR;
2825 savingComment = TRUE;
2826 suppressKibitz = gameMode != IcsObserving ? 2 :
2827 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2831 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
2832 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
2833 && atoi(star_match[0])) {
2834 // suppress the acknowledgements of our own autoKibitz
2836 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2837 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
2838 SendToPlayer(star_match[0], strlen(star_match[0]));
2839 if(looking_at(buf, &i, "*% ")) // eat prompt
2840 suppressKibitz = FALSE;
2844 } // [HGM] kibitz: end of patch
2846 // [HGM] chat: intercept tells by users for which we have an open chat window
2848 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2849 looking_at(buf, &i, "* whispers:") ||
2850 looking_at(buf, &i, "* kibitzes:") ||
2851 looking_at(buf, &i, "* shouts:") ||
2852 looking_at(buf, &i, "* c-shouts:") ||
2853 looking_at(buf, &i, "--> * ") ||
2854 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2855 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
2856 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
2857 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
2859 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2860 chattingPartner = -1;
2862 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2863 for(p=0; p<MAX_CHAT; p++) {
2864 if(channel == atoi(chatPartner[p])) {
2865 talker[0] = '['; strcat(talker, "] ");
2866 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
2867 chattingPartner = p; break;
2870 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
2871 for(p=0; p<MAX_CHAT; p++) {
2872 if(!strcmp("kibitzes", chatPartner[p])) {
2873 talker[0] = '['; strcat(talker, "] ");
2874 chattingPartner = p; break;
2877 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2878 for(p=0; p<MAX_CHAT; p++) {
2879 if(!strcmp("whispers", chatPartner[p])) {
2880 talker[0] = '['; strcat(talker, "] ");
2881 chattingPartner = p; break;
2884 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
2885 if(buf[i-8] == '-' && buf[i-3] == 't')
2886 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
2887 if(!strcmp("c-shouts", chatPartner[p])) {
2888 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
2889 chattingPartner = p; break;
2892 if(chattingPartner < 0)
2893 for(p=0; p<MAX_CHAT; p++) {
2894 if(!strcmp("shouts", chatPartner[p])) {
2895 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
2896 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
2897 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
2898 chattingPartner = p; break;
2902 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2903 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2904 talker[0] = 0; Colorize(ColorTell, FALSE);
2905 chattingPartner = p; break;
2907 if(chattingPartner<0) i = oldi; else {
2908 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
2909 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
2910 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2911 started = STARTED_COMMENT;
2912 parse_pos = 0; parse[0] = NULLCHAR;
2913 savingComment = 3 + chattingPartner; // counts as TRUE
2914 suppressKibitz = TRUE;
2917 } // [HGM] chat: end of patch
2919 if (appData.zippyTalk || appData.zippyPlay) {
2920 /* [DM] Backup address for color zippy lines */
2923 if (loggedOn == TRUE)
2924 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2925 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2927 } // [DM] 'else { ' deleted
2929 /* Regular tells and says */
2930 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2931 looking_at(buf, &i, "* (your partner) tells you: ") ||
2932 looking_at(buf, &i, "* says: ") ||
2933 /* Don't color "message" or "messages" output */
2934 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2935 looking_at(buf, &i, "*. * at *:*: ") ||
2936 looking_at(buf, &i, "--* (*:*): ") ||
2937 /* Message notifications (same color as tells) */
2938 looking_at(buf, &i, "* has left a message ") ||
2939 looking_at(buf, &i, "* just sent you a message:\n") ||
2940 /* Whispers and kibitzes */
2941 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2942 looking_at(buf, &i, "* kibitzes: ") ||
2944 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2946 if (tkind == 1 && strchr(star_match[0], ':')) {
2947 /* Avoid "tells you:" spoofs in channels */
2950 if (star_match[0][0] == NULLCHAR ||
2951 strchr(star_match[0], ' ') ||
2952 (tkind == 3 && strchr(star_match[1], ' '))) {
2953 /* Reject bogus matches */
2956 if (appData.colorize) {
2957 if (oldi > next_out) {
2958 SendToPlayer(&buf[next_out], oldi - next_out);
2963 Colorize(ColorTell, FALSE);
2964 curColor = ColorTell;
2967 Colorize(ColorKibitz, FALSE);
2968 curColor = ColorKibitz;
2971 p = strrchr(star_match[1], '(');
2978 Colorize(ColorChannel1, FALSE);
2979 curColor = ColorChannel1;
2981 Colorize(ColorChannel, FALSE);
2982 curColor = ColorChannel;
2986 curColor = ColorNormal;
2990 if (started == STARTED_NONE && appData.autoComment &&
2991 (gameMode == IcsObserving ||
2992 gameMode == IcsPlayingWhite ||
2993 gameMode == IcsPlayingBlack)) {
2994 parse_pos = i - oldi;
2995 memcpy(parse, &buf[oldi], parse_pos);
2996 parse[parse_pos] = NULLCHAR;
2997 started = STARTED_COMMENT;
2998 savingComment = TRUE;
3000 started = STARTED_CHATTER;
3001 savingComment = FALSE;
3008 if (looking_at(buf, &i, "* s-shouts: ") ||
3009 looking_at(buf, &i, "* c-shouts: ")) {
3010 if (appData.colorize) {
3011 if (oldi > next_out) {
3012 SendToPlayer(&buf[next_out], oldi - next_out);
3015 Colorize(ColorSShout, FALSE);
3016 curColor = ColorSShout;
3019 started = STARTED_CHATTER;
3023 if (looking_at(buf, &i, "--->")) {
3028 if (looking_at(buf, &i, "* shouts: ") ||
3029 looking_at(buf, &i, "--> ")) {
3030 if (appData.colorize) {
3031 if (oldi > next_out) {
3032 SendToPlayer(&buf[next_out], oldi - next_out);
3035 Colorize(ColorShout, FALSE);
3036 curColor = ColorShout;
3039 started = STARTED_CHATTER;
3043 if (looking_at( buf, &i, "Challenge:")) {
3044 if (appData.colorize) {
3045 if (oldi > next_out) {
3046 SendToPlayer(&buf[next_out], oldi - next_out);
3049 Colorize(ColorChallenge, FALSE);
3050 curColor = ColorChallenge;
3056 if (looking_at(buf, &i, "* offers you") ||
3057 looking_at(buf, &i, "* offers to be") ||
3058 looking_at(buf, &i, "* would like to") ||
3059 looking_at(buf, &i, "* requests to") ||
3060 looking_at(buf, &i, "Your opponent offers") ||
3061 looking_at(buf, &i, "Your opponent requests")) {
3063 if (appData.colorize) {
3064 if (oldi > next_out) {
3065 SendToPlayer(&buf[next_out], oldi - next_out);
3068 Colorize(ColorRequest, FALSE);
3069 curColor = ColorRequest;
3074 if (looking_at(buf, &i, "* (*) seeking")) {
3075 if (appData.colorize) {
3076 if (oldi > next_out) {
3077 SendToPlayer(&buf[next_out], oldi - next_out);
3080 Colorize(ColorSeek, FALSE);
3081 curColor = ColorSeek;
3086 if (looking_at(buf, &i, "\\ ")) {
3087 if (prevColor != ColorNormal) {
3088 if (oldi > next_out) {
3089 SendToPlayer(&buf[next_out], oldi - next_out);
3092 Colorize(prevColor, TRUE);
3093 curColor = prevColor;
3095 if (savingComment) {
3096 parse_pos = i - oldi;
3097 memcpy(parse, &buf[oldi], parse_pos);
3098 parse[parse_pos] = NULLCHAR;
3099 started = STARTED_COMMENT;
3100 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3101 chattingPartner = savingComment - 3; // kludge to remember the box
3103 started = STARTED_CHATTER;
3108 if (looking_at(buf, &i, "Black Strength :") ||
3109 looking_at(buf, &i, "<<< style 10 board >>>") ||
3110 looking_at(buf, &i, "<10>") ||
3111 looking_at(buf, &i, "#@#")) {
3112 /* Wrong board style */
3114 SendToICS(ics_prefix);
3115 SendToICS("set style 12\n");
3116 SendToICS(ics_prefix);
3117 SendToICS("refresh\n");
3121 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3123 have_sent_ICS_logon = 1;
3127 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3128 (looking_at(buf, &i, "\n<12> ") ||
3129 looking_at(buf, &i, "<12> "))) {
3131 if (oldi > next_out) {
3132 SendToPlayer(&buf[next_out], oldi - next_out);
3135 started = STARTED_BOARD;
3140 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3141 looking_at(buf, &i, "<b1> ")) {
3142 if (oldi > next_out) {
3143 SendToPlayer(&buf[next_out], oldi - next_out);
3146 started = STARTED_HOLDINGS;
3151 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3153 /* Header for a move list -- first line */
3155 switch (ics_getting_history) {
3159 case BeginningOfGame:
3160 /* User typed "moves" or "oldmoves" while we
3161 were idle. Pretend we asked for these
3162 moves and soak them up so user can step
3163 through them and/or save them.
3166 gameMode = IcsObserving;
3169 ics_getting_history = H_GOT_UNREQ_HEADER;
3171 case EditGame: /*?*/
3172 case EditPosition: /*?*/
3173 /* Should above feature work in these modes too? */
3174 /* For now it doesn't */
3175 ics_getting_history = H_GOT_UNWANTED_HEADER;
3178 ics_getting_history = H_GOT_UNWANTED_HEADER;
3183 /* Is this the right one? */
3184 if (gameInfo.white && gameInfo.black &&
3185 strcmp(gameInfo.white, star_match[0]) == 0 &&
3186 strcmp(gameInfo.black, star_match[2]) == 0) {
3188 ics_getting_history = H_GOT_REQ_HEADER;
3191 case H_GOT_REQ_HEADER:
3192 case H_GOT_UNREQ_HEADER:
3193 case H_GOT_UNWANTED_HEADER:
3194 case H_GETTING_MOVES:
3195 /* Should not happen */
3196 DisplayError(_("Error gathering move list: two headers"), 0);
3197 ics_getting_history = H_FALSE;
3201 /* Save player ratings into gameInfo if needed */
3202 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3203 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3204 (gameInfo.whiteRating == -1 ||
3205 gameInfo.blackRating == -1)) {
3207 gameInfo.whiteRating = string_to_rating(star_match[1]);
3208 gameInfo.blackRating = string_to_rating(star_match[3]);
3209 if (appData.debugMode)
3210 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3211 gameInfo.whiteRating, gameInfo.blackRating);
3216 if (looking_at(buf, &i,
3217 "* * match, initial time: * minute*, increment: * second")) {
3218 /* Header for a move list -- second line */
3219 /* Initial board will follow if this is a wild game */
3220 if (gameInfo.event != NULL) free(gameInfo.event);
3221 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3222 gameInfo.event = StrSave(str);
3223 /* [HGM] we switched variant. Translate boards if needed. */
3224 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3228 if (looking_at(buf, &i, "Move ")) {
3229 /* Beginning of a move list */
3230 switch (ics_getting_history) {
3232 /* Normally should not happen */
3233 /* Maybe user hit reset while we were parsing */
3236 /* Happens if we are ignoring a move list that is not
3237 * the one we just requested. Common if the user
3238 * tries to observe two games without turning off
3241 case H_GETTING_MOVES:
3242 /* Should not happen */
3243 DisplayError(_("Error gathering move list: nested"), 0);
3244 ics_getting_history = H_FALSE;
3246 case H_GOT_REQ_HEADER:
3247 ics_getting_history = H_GETTING_MOVES;
3248 started = STARTED_MOVES;
3250 if (oldi > next_out) {
3251 SendToPlayer(&buf[next_out], oldi - next_out);
3254 case H_GOT_UNREQ_HEADER:
3255 ics_getting_history = H_GETTING_MOVES;
3256 started = STARTED_MOVES_NOHIDE;
3259 case H_GOT_UNWANTED_HEADER:
3260 ics_getting_history = H_FALSE;
3266 if (looking_at(buf, &i, "% ") ||
3267 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3268 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3269 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3270 soughtPending = FALSE;
3274 if(suppressKibitz) next_out = i;
3275 savingComment = FALSE;
3279 case STARTED_MOVES_NOHIDE:
3280 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3281 parse[parse_pos + i - oldi] = NULLCHAR;
3282 ParseGameHistory(parse);
3284 if (appData.zippyPlay && first.initDone) {
3285 FeedMovesToProgram(&first, forwardMostMove);
3286 if (gameMode == IcsPlayingWhite) {
3287 if (WhiteOnMove(forwardMostMove)) {
3288 if (first.sendTime) {
3289 if (first.useColors) {
3290 SendToProgram("black\n", &first);
3292 SendTimeRemaining(&first, TRUE);
3294 if (first.useColors) {
3295 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3297 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3298 first.maybeThinking = TRUE;
3300 if (first.usePlayother) {
3301 if (first.sendTime) {
3302 SendTimeRemaining(&first, TRUE);
3304 SendToProgram("playother\n", &first);
3310 } else if (gameMode == IcsPlayingBlack) {
3311 if (!WhiteOnMove(forwardMostMove)) {
3312 if (first.sendTime) {
3313 if (first.useColors) {
3314 SendToProgram("white\n", &first);
3316 SendTimeRemaining(&first, FALSE);
3318 if (first.useColors) {
3319 SendToProgram("black\n", &first);
3321 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3322 first.maybeThinking = TRUE;
3324 if (first.usePlayother) {
3325 if (first.sendTime) {
3326 SendTimeRemaining(&first, FALSE);
3328 SendToProgram("playother\n", &first);
3337 if (gameMode == IcsObserving && ics_gamenum == -1) {
3338 /* Moves came from oldmoves or moves command
3339 while we weren't doing anything else.
3341 currentMove = forwardMostMove;
3342 ClearHighlights();/*!!could figure this out*/
3343 flipView = appData.flipView;
3344 DrawPosition(TRUE, boards[currentMove]);
3345 DisplayBothClocks();
3346 snprintf(str, MSG_SIZ, "%s vs. %s",
3347 gameInfo.white, gameInfo.black);
3351 /* Moves were history of an active game */
3352 if (gameInfo.resultDetails != NULL) {
3353 free(gameInfo.resultDetails);
3354 gameInfo.resultDetails = NULL;
3357 HistorySet(parseList, backwardMostMove,
3358 forwardMostMove, currentMove-1);
3359 DisplayMove(currentMove - 1);
3360 if (started == STARTED_MOVES) next_out = i;
3361 started = STARTED_NONE;
3362 ics_getting_history = H_FALSE;
3365 case STARTED_OBSERVE:
3366 started = STARTED_NONE;
3367 SendToICS(ics_prefix);
3368 SendToICS("refresh\n");
3374 if(bookHit) { // [HGM] book: simulate book reply
3375 static char bookMove[MSG_SIZ]; // a bit generous?
3377 programStats.nodes = programStats.depth = programStats.time =
3378 programStats.score = programStats.got_only_move = 0;
3379 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3381 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3382 strcat(bookMove, bookHit);
3383 HandleMachineMove(bookMove, &first);
3388 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3389 started == STARTED_HOLDINGS ||
3390 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3391 /* Accumulate characters in move list or board */
3392 parse[parse_pos++] = buf[i];
3395 /* Start of game messages. Mostly we detect start of game
3396 when the first board image arrives. On some versions
3397 of the ICS, though, we need to do a "refresh" after starting
3398 to observe in order to get the current board right away. */
3399 if (looking_at(buf, &i, "Adding game * to observation list")) {
3400 started = STARTED_OBSERVE;
3404 /* Handle auto-observe */
3405 if (appData.autoObserve &&
3406 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3407 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3409 /* Choose the player that was highlighted, if any. */
3410 if (star_match[0][0] == '\033' ||
3411 star_match[1][0] != '\033') {
3412 player = star_match[0];
3414 player = star_match[2];
3416 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3417 ics_prefix, StripHighlightAndTitle(player));
3420 /* Save ratings from notify string */
3421 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3422 player1Rating = string_to_rating(star_match[1]);
3423 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3424 player2Rating = string_to_rating(star_match[3]);
3426 if (appData.debugMode)
3428 "Ratings from 'Game notification:' %s %d, %s %d\n",
3429 player1Name, player1Rating,
3430 player2Name, player2Rating);
3435 /* Deal with automatic examine mode after a game,
3436 and with IcsObserving -> IcsExamining transition */
3437 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3438 looking_at(buf, &i, "has made you an examiner of game *")) {
3440 int gamenum = atoi(star_match[0]);
3441 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3442 gamenum == ics_gamenum) {
3443 /* We were already playing or observing this game;
3444 no need to refetch history */
3445 gameMode = IcsExamining;
3447 pauseExamForwardMostMove = forwardMostMove;
3448 } else if (currentMove < forwardMostMove) {
3449 ForwardInner(forwardMostMove);
3452 /* I don't think this case really can happen */
3453 SendToICS(ics_prefix);
3454 SendToICS("refresh\n");
3459 /* Error messages */
3460 // if (ics_user_moved) {
3461 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3462 if (looking_at(buf, &i, "Illegal move") ||
3463 looking_at(buf, &i, "Not a legal move") ||
3464 looking_at(buf, &i, "Your king is in check") ||
3465 looking_at(buf, &i, "It isn't your turn") ||
3466 looking_at(buf, &i, "It is not your move")) {
3468 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3469 currentMove = forwardMostMove-1;
3470 DisplayMove(currentMove - 1); /* before DMError */
3471 DrawPosition(FALSE, boards[currentMove]);
3472 SwitchClocks(forwardMostMove-1); // [HGM] race
3473 DisplayBothClocks();
3475 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3481 if (looking_at(buf, &i, "still have time") ||
3482 looking_at(buf, &i, "not out of time") ||
3483 looking_at(buf, &i, "either player is out of time") ||
3484 looking_at(buf, &i, "has timeseal; checking")) {
3485 /* We must have called his flag a little too soon */
3486 whiteFlag = blackFlag = FALSE;
3490 if (looking_at(buf, &i, "added * seconds to") ||
3491 looking_at(buf, &i, "seconds were added to")) {
3492 /* Update the clocks */
3493 SendToICS(ics_prefix);
3494 SendToICS("refresh\n");
3498 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3499 ics_clock_paused = TRUE;
3504 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3505 ics_clock_paused = FALSE;
3510 /* Grab player ratings from the Creating: message.
3511 Note we have to check for the special case when
3512 the ICS inserts things like [white] or [black]. */
3513 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3514 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3516 0 player 1 name (not necessarily white)
3518 2 empty, white, or black (IGNORED)
3519 3 player 2 name (not necessarily black)
3522 The names/ratings are sorted out when the game
3523 actually starts (below).
3525 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3526 player1Rating = string_to_rating(star_match[1]);
3527 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3528 player2Rating = string_to_rating(star_match[4]);
3530 if (appData.debugMode)
3532 "Ratings from 'Creating:' %s %d, %s %d\n",
3533 player1Name, player1Rating,
3534 player2Name, player2Rating);
3539 /* Improved generic start/end-of-game messages */
3540 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3541 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3542 /* If tkind == 0: */
3543 /* star_match[0] is the game number */
3544 /* [1] is the white player's name */
3545 /* [2] is the black player's name */
3546 /* For end-of-game: */
3547 /* [3] is the reason for the game end */
3548 /* [4] is a PGN end game-token, preceded by " " */
3549 /* For start-of-game: */
3550 /* [3] begins with "Creating" or "Continuing" */
3551 /* [4] is " *" or empty (don't care). */
3552 int gamenum = atoi(star_match[0]);
3553 char *whitename, *blackname, *why, *endtoken;
3554 ChessMove endtype = EndOfFile;
3557 whitename = star_match[1];
3558 blackname = star_match[2];
3559 why = star_match[3];
3560 endtoken = star_match[4];
3562 whitename = star_match[1];
3563 blackname = star_match[3];
3564 why = star_match[5];
3565 endtoken = star_match[6];
3568 /* Game start messages */
3569 if (strncmp(why, "Creating ", 9) == 0 ||
3570 strncmp(why, "Continuing ", 11) == 0) {
3571 gs_gamenum = gamenum;
3572 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3573 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3575 if (appData.zippyPlay) {
3576 ZippyGameStart(whitename, blackname);
3579 partnerBoardValid = FALSE; // [HGM] bughouse
3583 /* Game end messages */
3584 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3585 ics_gamenum != gamenum) {
3588 while (endtoken[0] == ' ') endtoken++;
3589 switch (endtoken[0]) {
3592 endtype = GameUnfinished;
3595 endtype = BlackWins;
3598 if (endtoken[1] == '/')
3599 endtype = GameIsDrawn;
3601 endtype = WhiteWins;
3604 GameEnds(endtype, why, GE_ICS);
3606 if (appData.zippyPlay && first.initDone) {
3607 ZippyGameEnd(endtype, why);
3608 if (first.pr == NULL) {
3609 /* Start the next process early so that we'll
3610 be ready for the next challenge */
3611 StartChessProgram(&first);
3613 /* Send "new" early, in case this command takes
3614 a long time to finish, so that we'll be ready
3615 for the next challenge. */
3616 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3620 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3624 if (looking_at(buf, &i, "Removing game * from observation") ||
3625 looking_at(buf, &i, "no longer observing game *") ||
3626 looking_at(buf, &i, "Game * (*) has no examiners")) {
3627 if (gameMode == IcsObserving &&
3628 atoi(star_match[0]) == ics_gamenum)
3630 /* icsEngineAnalyze */
3631 if (appData.icsEngineAnalyze) {
3638 ics_user_moved = FALSE;
3643 if (looking_at(buf, &i, "no longer examining game *")) {
3644 if (gameMode == IcsExamining &&
3645 atoi(star_match[0]) == ics_gamenum)
3649 ics_user_moved = FALSE;
3654 /* Advance leftover_start past any newlines we find,
3655 so only partial lines can get reparsed */
3656 if (looking_at(buf, &i, "\n")) {
3657 prevColor = curColor;
3658 if (curColor != ColorNormal) {
3659 if (oldi > next_out) {
3660 SendToPlayer(&buf[next_out], oldi - next_out);
3663 Colorize(ColorNormal, FALSE);
3664 curColor = ColorNormal;
3666 if (started == STARTED_BOARD) {
3667 started = STARTED_NONE;
3668 parse[parse_pos] = NULLCHAR;
3669 ParseBoard12(parse);
3672 /* Send premove here */
3673 if (appData.premove) {
3675 if (currentMove == 0 &&
3676 gameMode == IcsPlayingWhite &&
3677 appData.premoveWhite) {
3678 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3679 if (appData.debugMode)
3680 fprintf(debugFP, "Sending premove:\n");
3682 } else if (currentMove == 1 &&
3683 gameMode == IcsPlayingBlack &&
3684 appData.premoveBlack) {
3685 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3686 if (appData.debugMode)
3687 fprintf(debugFP, "Sending premove:\n");
3689 } else if (gotPremove) {
3691 ClearPremoveHighlights();
3692 if (appData.debugMode)
3693 fprintf(debugFP, "Sending premove:\n");
3694 UserMoveEvent(premoveFromX, premoveFromY,
3695 premoveToX, premoveToY,
3700 /* Usually suppress following prompt */
3701 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3702 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3703 if (looking_at(buf, &i, "*% ")) {
3704 savingComment = FALSE;
3709 } else if (started == STARTED_HOLDINGS) {
3711 char new_piece[MSG_SIZ];
3712 started = STARTED_NONE;
3713 parse[parse_pos] = NULLCHAR;
3714 if (appData.debugMode)
3715 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3716 parse, currentMove);
3717 if (sscanf(parse, " game %d", &gamenum) == 1) {
3718 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
3719 if (gameInfo.variant == VariantNormal) {
3720 /* [HGM] We seem to switch variant during a game!
3721 * Presumably no holdings were displayed, so we have
3722 * to move the position two files to the right to
3723 * create room for them!
3725 VariantClass newVariant;
3726 switch(gameInfo.boardWidth) { // base guess on board width
3727 case 9: newVariant = VariantShogi; break;
3728 case 10: newVariant = VariantGreat; break;
3729 default: newVariant = VariantCrazyhouse; break;
3731 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3732 /* Get a move list just to see the header, which
3733 will tell us whether this is really bug or zh */
3734 if (ics_getting_history == H_FALSE) {
3735 ics_getting_history = H_REQUESTED;
3736 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
3740 new_piece[0] = NULLCHAR;
3741 sscanf(parse, "game %d white [%s black [%s <- %s",
3742 &gamenum, white_holding, black_holding,
3744 white_holding[strlen(white_holding)-1] = NULLCHAR;
3745 black_holding[strlen(black_holding)-1] = NULLCHAR;
3746 /* [HGM] copy holdings to board holdings area */
3747 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3748 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3749 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3751 if (appData.zippyPlay && first.initDone) {
3752 ZippyHoldings(white_holding, black_holding,
3756 if (tinyLayout || smallLayout) {
3757 char wh[16], bh[16];
3758 PackHolding(wh, white_holding);
3759 PackHolding(bh, black_holding);
3760 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
3761 gameInfo.white, gameInfo.black);
3763 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
3764 gameInfo.white, white_holding,
3765 gameInfo.black, black_holding);
3767 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
3768 DrawPosition(FALSE, boards[currentMove]);
3770 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
3771 sscanf(parse, "game %d white [%s black [%s <- %s",
3772 &gamenum, white_holding, black_holding,
3774 white_holding[strlen(white_holding)-1] = NULLCHAR;
3775 black_holding[strlen(black_holding)-1] = NULLCHAR;
3776 /* [HGM] copy holdings to partner-board holdings area */
3777 CopyHoldings(partnerBoard, white_holding, WhitePawn);
3778 CopyHoldings(partnerBoard, black_holding, BlackPawn);
3779 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
3780 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3781 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
3784 /* Suppress following prompt */
3785 if (looking_at(buf, &i, "*% ")) {
3786 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3787 savingComment = FALSE;
3795 i++; /* skip unparsed character and loop back */
3798 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3799 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3800 // SendToPlayer(&buf[next_out], i - next_out);
3801 started != STARTED_HOLDINGS && leftover_start > next_out) {
3802 SendToPlayer(&buf[next_out], leftover_start - next_out);
3806 leftover_len = buf_len - leftover_start;
3807 /* if buffer ends with something we couldn't parse,
3808 reparse it after appending the next read */
3810 } else if (count == 0) {
3811 RemoveInputSource(isr);
3812 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3814 DisplayFatalError(_("Error reading from ICS"), error, 1);
3819 /* Board style 12 looks like this:
3821 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
3823 * The "<12> " is stripped before it gets to this routine. The two
3824 * trailing 0's (flip state and clock ticking) are later addition, and
3825 * some chess servers may not have them, or may have only the first.
3826 * Additional trailing fields may be added in the future.
3829 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
3831 #define RELATION_OBSERVING_PLAYED 0
3832 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3833 #define RELATION_PLAYING_MYMOVE 1
3834 #define RELATION_PLAYING_NOTMYMOVE -1
3835 #define RELATION_EXAMINING 2
3836 #define RELATION_ISOLATED_BOARD -3
3837 #define RELATION_STARTING_POSITION -4 /* FICS only */
3840 ParseBoard12(string)
3843 GameMode newGameMode;
3844 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3845 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3846 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3847 char to_play, board_chars[200];
3848 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
3849 char black[32], white[32];
3851 int prevMove = currentMove;
3854 int fromX, fromY, toX, toY;
3856 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3857 char *bookHit = NULL; // [HGM] book
3858 Boolean weird = FALSE, reqFlag = FALSE;
3860 fromX = fromY = toX = toY = -1;
3864 if (appData.debugMode)
3865 fprintf(debugFP, _("Parsing board: %s\n"), string);
3867 move_str[0] = NULLCHAR;
3868 elapsed_time[0] = NULLCHAR;
3869 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3871 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3872 if(string[i] == ' ') { ranks++; files = 0; }
3874 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3877 for(j = 0; j <i; j++) board_chars[j] = string[j];
3878 board_chars[i] = '\0';
3881 n = sscanf(string, PATTERN, &to_play, &double_push,
3882 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3883 &gamenum, white, black, &relation, &basetime, &increment,
3884 &white_stren, &black_stren, &white_time, &black_time,
3885 &moveNum, str, elapsed_time, move_str, &ics_flip,
3889 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
3890 DisplayError(str, 0);
3894 /* Convert the move number to internal form */
3895 moveNum = (moveNum - 1) * 2;
3896 if (to_play == 'B') moveNum++;
3897 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3898 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3904 case RELATION_OBSERVING_PLAYED:
3905 case RELATION_OBSERVING_STATIC:
3906 if (gamenum == -1) {
3907 /* Old ICC buglet */
3908 relation = RELATION_OBSERVING_STATIC;
3910 newGameMode = IcsObserving;
3912 case RELATION_PLAYING_MYMOVE:
3913 case RELATION_PLAYING_NOTMYMOVE:
3915 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3916 IcsPlayingWhite : IcsPlayingBlack;
3918 case RELATION_EXAMINING:
3919 newGameMode = IcsExamining;
3921 case RELATION_ISOLATED_BOARD:
3923 /* Just display this board. If user was doing something else,
3924 we will forget about it until the next board comes. */
3925 newGameMode = IcsIdle;
3927 case RELATION_STARTING_POSITION:
3928 newGameMode = gameMode;
3932 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
3933 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
3934 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
3936 for (k = 0; k < ranks; k++) {
3937 for (j = 0; j < files; j++)
3938 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3939 if(gameInfo.holdingsWidth > 1) {
3940 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3941 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3944 CopyBoard(partnerBoard, board);
3945 if(toSqr = strchr(str, '/')) { // extract highlights from long move
3946 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
3947 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
3948 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
3949 if(toSqr = strchr(str, '-')) {
3950 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
3951 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
3952 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
3953 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
3954 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
3955 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3956 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
3957 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
3958 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
3959 DisplayMessage(partnerStatus, "");
3960 partnerBoardValid = TRUE;
3964 /* Modify behavior for initial board display on move listing
3967 switch (ics_getting_history) {
3971 case H_GOT_REQ_HEADER:
3972 case H_GOT_UNREQ_HEADER:
3973 /* This is the initial position of the current game */
3974 gamenum = ics_gamenum;
3975 moveNum = 0; /* old ICS bug workaround */
3976 if (to_play == 'B') {
3977 startedFromSetupPosition = TRUE;
3978 blackPlaysFirst = TRUE;
3980 if (forwardMostMove == 0) forwardMostMove = 1;
3981 if (backwardMostMove == 0) backwardMostMove = 1;
3982 if (currentMove == 0) currentMove = 1;
3984 newGameMode = gameMode;
3985 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3987 case H_GOT_UNWANTED_HEADER:
3988 /* This is an initial board that we don't want */
3990 case H_GETTING_MOVES:
3991 /* Should not happen */
3992 DisplayError(_("Error gathering move list: extra board"), 0);
3993 ics_getting_history = H_FALSE;
3997 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
3998 weird && (int)gameInfo.variant < (int)VariantShogi) {
3999 /* [HGM] We seem to have switched variant unexpectedly
4000 * Try to guess new variant from board size
4002 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4003 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4004 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4005 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4006 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4007 if(!weird) newVariant = VariantNormal;
4008 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4009 /* Get a move list just to see the header, which
4010 will tell us whether this is really bug or zh */
4011 if (ics_getting_history == H_FALSE) {
4012 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4013 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4018 /* Take action if this is the first board of a new game, or of a
4019 different game than is currently being displayed. */
4020 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4021 relation == RELATION_ISOLATED_BOARD) {
4023 /* Forget the old game and get the history (if any) of the new one */
4024 if (gameMode != BeginningOfGame) {
4028 if (appData.autoRaiseBoard) BoardToTop();
4030 if (gamenum == -1) {
4031 newGameMode = IcsIdle;
4032 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4033 appData.getMoveList && !reqFlag) {
4034 /* Need to get game history */
4035 ics_getting_history = H_REQUESTED;
4036 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4040 /* Initially flip the board to have black on the bottom if playing
4041 black or if the ICS flip flag is set, but let the user change
4042 it with the Flip View button. */
4043 flipView = appData.autoFlipView ?
4044 (newGameMode == IcsPlayingBlack) || ics_flip :
4047 /* Done with values from previous mode; copy in new ones */
4048 gameMode = newGameMode;
4050 ics_gamenum = gamenum;
4051 if (gamenum == gs_gamenum) {
4052 int klen = strlen(gs_kind);
4053 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4054 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4055 gameInfo.event = StrSave(str);
4057 gameInfo.event = StrSave("ICS game");
4059 gameInfo.site = StrSave(appData.icsHost);
4060 gameInfo.date = PGNDate();
4061 gameInfo.round = StrSave("-");
4062 gameInfo.white = StrSave(white);
4063 gameInfo.black = StrSave(black);
4064 timeControl = basetime * 60 * 1000;
4066 timeIncrement = increment * 1000;
4067 movesPerSession = 0;
4068 gameInfo.timeControl = TimeControlTagValue();
4069 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4070 if (appData.debugMode) {
4071 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4072 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4073 setbuf(debugFP, NULL);
4076 gameInfo.outOfBook = NULL;
4078 /* Do we have the ratings? */
4079 if (strcmp(player1Name, white) == 0 &&
4080 strcmp(player2Name, black) == 0) {
4081 if (appData.debugMode)
4082 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4083 player1Rating, player2Rating);
4084 gameInfo.whiteRating = player1Rating;
4085 gameInfo.blackRating = player2Rating;
4086 } else if (strcmp(player2Name, white) == 0 &&
4087 strcmp(player1Name, black) == 0) {
4088 if (appData.debugMode)
4089 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4090 player2Rating, player1Rating);
4091 gameInfo.whiteRating = player2Rating;
4092 gameInfo.blackRating = player1Rating;
4094 player1Name[0] = player2Name[0] = NULLCHAR;
4096 /* Silence shouts if requested */
4097 if (appData.quietPlay &&
4098 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4099 SendToICS(ics_prefix);
4100 SendToICS("set shout 0\n");
4104 /* Deal with midgame name changes */
4106 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4107 if (gameInfo.white) free(gameInfo.white);
4108 gameInfo.white = StrSave(white);
4110 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4111 if (gameInfo.black) free(gameInfo.black);
4112 gameInfo.black = StrSave(black);
4116 /* Throw away game result if anything actually changes in examine mode */
4117 if (gameMode == IcsExamining && !newGame) {
4118 gameInfo.result = GameUnfinished;
4119 if (gameInfo.resultDetails != NULL) {
4120 free(gameInfo.resultDetails);
4121 gameInfo.resultDetails = NULL;
4125 /* In pausing && IcsExamining mode, we ignore boards coming
4126 in if they are in a different variation than we are. */
4127 if (pauseExamInvalid) return;
4128 if (pausing && gameMode == IcsExamining) {
4129 if (moveNum <= pauseExamForwardMostMove) {
4130 pauseExamInvalid = TRUE;
4131 forwardMostMove = pauseExamForwardMostMove;
4136 if (appData.debugMode) {
4137 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4139 /* Parse the board */
4140 for (k = 0; k < ranks; k++) {
4141 for (j = 0; j < files; j++)
4142 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4143 if(gameInfo.holdingsWidth > 1) {
4144 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4145 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4148 CopyBoard(boards[moveNum], board);
4149 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4151 startedFromSetupPosition =
4152 !CompareBoards(board, initialPosition);
4153 if(startedFromSetupPosition)
4154 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4157 /* [HGM] Set castling rights. Take the outermost Rooks,
4158 to make it also work for FRC opening positions. Note that board12
4159 is really defective for later FRC positions, as it has no way to
4160 indicate which Rook can castle if they are on the same side of King.
4161 For the initial position we grant rights to the outermost Rooks,
4162 and remember thos rights, and we then copy them on positions
4163 later in an FRC game. This means WB might not recognize castlings with
4164 Rooks that have moved back to their original position as illegal,
4165 but in ICS mode that is not its job anyway.
4167 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4168 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4170 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4171 if(board[0][i] == WhiteRook) j = i;
4172 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4173 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4174 if(board[0][i] == WhiteRook) j = i;
4175 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4176 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4177 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4178 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4179 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4180 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4181 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4183 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4184 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4185 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4186 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4187 if(board[BOARD_HEIGHT-1][k] == bKing)
4188 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4189 if(gameInfo.variant == VariantTwoKings) {
4190 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4191 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4192 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4195 r = boards[moveNum][CASTLING][0] = initialRights[0];
4196 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4197 r = boards[moveNum][CASTLING][1] = initialRights[1];
4198 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4199 r = boards[moveNum][CASTLING][3] = initialRights[3];
4200 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4201 r = boards[moveNum][CASTLING][4] = initialRights[4];
4202 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4203 /* wildcastle kludge: always assume King has rights */
4204 r = boards[moveNum][CASTLING][2] = initialRights[2];
4205 r = boards[moveNum][CASTLING][5] = initialRights[5];
4207 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4208 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4211 if (ics_getting_history == H_GOT_REQ_HEADER ||
4212 ics_getting_history == H_GOT_UNREQ_HEADER) {
4213 /* This was an initial position from a move list, not
4214 the current position */
4218 /* Update currentMove and known move number limits */
4219 newMove = newGame || moveNum > forwardMostMove;
4222 forwardMostMove = backwardMostMove = currentMove = moveNum;
4223 if (gameMode == IcsExamining && moveNum == 0) {
4224 /* Workaround for ICS limitation: we are not told the wild
4225 type when starting to examine a game. But if we ask for
4226 the move list, the move list header will tell us */
4227 ics_getting_history = H_REQUESTED;
4228 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4231 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4232 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4234 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4235 /* [HGM] applied this also to an engine that is silently watching */
4236 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4237 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4238 gameInfo.variant == currentlyInitializedVariant) {
4239 takeback = forwardMostMove - moveNum;
4240 for (i = 0; i < takeback; i++) {
4241 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4242 SendToProgram("undo\n", &first);
4247 forwardMostMove = moveNum;
4248 if (!pausing || currentMove > forwardMostMove)
4249 currentMove = forwardMostMove;
4251 /* New part of history that is not contiguous with old part */
4252 if (pausing && gameMode == IcsExamining) {
4253 pauseExamInvalid = TRUE;
4254 forwardMostMove = pauseExamForwardMostMove;
4257 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4259 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4260 // [HGM] when we will receive the move list we now request, it will be
4261 // fed to the engine from the first move on. So if the engine is not
4262 // in the initial position now, bring it there.
4263 InitChessProgram(&first, 0);
4266 ics_getting_history = H_REQUESTED;
4267 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4270 forwardMostMove = backwardMostMove = currentMove = moveNum;
4273 /* Update the clocks */
4274 if (strchr(elapsed_time, '.')) {
4276 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4277 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4279 /* Time is in seconds */
4280 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4281 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4286 if (appData.zippyPlay && newGame &&
4287 gameMode != IcsObserving && gameMode != IcsIdle &&
4288 gameMode != IcsExamining)
4289 ZippyFirstBoard(moveNum, basetime, increment);
4292 /* Put the move on the move list, first converting
4293 to canonical algebraic form. */
4295 if (appData.debugMode) {
4296 if (appData.debugMode) { int f = forwardMostMove;
4297 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4298 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4299 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4301 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4302 fprintf(debugFP, "moveNum = %d\n", moveNum);
4303 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4304 setbuf(debugFP, NULL);
4306 if (moveNum <= backwardMostMove) {
4307 /* We don't know what the board looked like before
4309 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4310 strcat(parseList[moveNum - 1], " ");
4311 strcat(parseList[moveNum - 1], elapsed_time);
4312 moveList[moveNum - 1][0] = NULLCHAR;
4313 } else if (strcmp(move_str, "none") == 0) {
4314 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4315 /* Again, we don't know what the board looked like;
4316 this is really the start of the game. */
4317 parseList[moveNum - 1][0] = NULLCHAR;
4318 moveList[moveNum - 1][0] = NULLCHAR;
4319 backwardMostMove = moveNum;
4320 startedFromSetupPosition = TRUE;
4321 fromX = fromY = toX = toY = -1;
4323 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4324 // So we parse the long-algebraic move string in stead of the SAN move
4325 int valid; char buf[MSG_SIZ], *prom;
4327 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4328 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4329 // str looks something like "Q/a1-a2"; kill the slash
4331 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4332 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4333 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4334 strcat(buf, prom); // long move lacks promo specification!
4335 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4336 if(appData.debugMode)
4337 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4338 safeStrCpy(move_str, buf, MSG_SIZ);
4340 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4341 &fromX, &fromY, &toX, &toY, &promoChar)
4342 || ParseOneMove(buf, moveNum - 1, &moveType,
4343 &fromX, &fromY, &toX, &toY, &promoChar);
4344 // end of long SAN patch
4346 (void) CoordsToAlgebraic(boards[moveNum - 1],
4347 PosFlags(moveNum - 1),
4348 fromY, fromX, toY, toX, promoChar,
4349 parseList[moveNum-1]);
4350 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4356 if(gameInfo.variant != VariantShogi)
4357 strcat(parseList[moveNum - 1], "+");
4360 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4361 strcat(parseList[moveNum - 1], "#");
4364 strcat(parseList[moveNum - 1], " ");
4365 strcat(parseList[moveNum - 1], elapsed_time);
4366 /* currentMoveString is set as a side-effect of ParseOneMove */
4367 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4368 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4369 strcat(moveList[moveNum - 1], "\n");
4371 if(gameInfo.holdingsWidth && !appData.disguise) // inherit info that ICS does not give from previous board
4372 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4373 ChessSquare old, new = boards[moveNum][k][j];
4374 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4375 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4376 if(old == new) continue;
4377 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4378 else if(new == WhiteWazir || new == BlackWazir) {
4379 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4380 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4381 else boards[moveNum][k][j] = old; // preserve type of Gold
4382 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4383 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4386 /* Move from ICS was illegal!? Punt. */
4387 if (appData.debugMode) {
4388 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4389 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4391 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4392 strcat(parseList[moveNum - 1], " ");
4393 strcat(parseList[moveNum - 1], elapsed_time);
4394 moveList[moveNum - 1][0] = NULLCHAR;
4395 fromX = fromY = toX = toY = -1;
4398 if (appData.debugMode) {
4399 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4400 setbuf(debugFP, NULL);
4404 /* Send move to chess program (BEFORE animating it). */
4405 if (appData.zippyPlay && !newGame && newMove &&
4406 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4408 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4409 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4410 if (moveList[moveNum - 1][0] == NULLCHAR) {
4411 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4413 DisplayError(str, 0);
4415 if (first.sendTime) {
4416 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4418 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4419 if (firstMove && !bookHit) {
4421 if (first.useColors) {
4422 SendToProgram(gameMode == IcsPlayingWhite ?
4424 "black\ngo\n", &first);
4426 SendToProgram("go\n", &first);
4428 first.maybeThinking = TRUE;
4431 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4432 if (moveList[moveNum - 1][0] == NULLCHAR) {
4433 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4434 DisplayError(str, 0);
4436 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4437 SendMoveToProgram(moveNum - 1, &first);
4444 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4445 /* If move comes from a remote source, animate it. If it
4446 isn't remote, it will have already been animated. */
4447 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4448 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4450 if (!pausing && appData.highlightLastMove) {
4451 SetHighlights(fromX, fromY, toX, toY);
4455 /* Start the clocks */
4456 whiteFlag = blackFlag = FALSE;
4457 appData.clockMode = !(basetime == 0 && increment == 0);
4459 ics_clock_paused = TRUE;
4461 } else if (ticking == 1) {
4462 ics_clock_paused = FALSE;
4464 if (gameMode == IcsIdle ||
4465 relation == RELATION_OBSERVING_STATIC ||
4466 relation == RELATION_EXAMINING ||
4468 DisplayBothClocks();
4472 /* Display opponents and material strengths */
4473 if (gameInfo.variant != VariantBughouse &&
4474 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4475 if (tinyLayout || smallLayout) {
4476 if(gameInfo.variant == VariantNormal)
4477 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4478 gameInfo.white, white_stren, gameInfo.black, black_stren,
4479 basetime, increment);
4481 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4482 gameInfo.white, white_stren, gameInfo.black, black_stren,
4483 basetime, increment, (int) gameInfo.variant);
4485 if(gameInfo.variant == VariantNormal)
4486 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4487 gameInfo.white, white_stren, gameInfo.black, black_stren,
4488 basetime, increment);
4490 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4491 gameInfo.white, white_stren, gameInfo.black, black_stren,
4492 basetime, increment, VariantName(gameInfo.variant));
4495 if (appData.debugMode) {
4496 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4501 /* Display the board */
4502 if (!pausing && !appData.noGUI) {
4504 if (appData.premove)
4506 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4507 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4508 ClearPremoveHighlights();
4510 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4511 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4512 DrawPosition(j, boards[currentMove]);
4514 DisplayMove(moveNum - 1);
4515 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4516 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4517 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4518 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4522 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4524 if(bookHit) { // [HGM] book: simulate book reply
4525 static char bookMove[MSG_SIZ]; // a bit generous?
4527 programStats.nodes = programStats.depth = programStats.time =
4528 programStats.score = programStats.got_only_move = 0;
4529 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4531 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4532 strcat(bookMove, bookHit);
4533 HandleMachineMove(bookMove, &first);
4542 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4543 ics_getting_history = H_REQUESTED;
4544 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4550 AnalysisPeriodicEvent(force)
4553 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4554 && !force) || !appData.periodicUpdates)
4557 /* Send . command to Crafty to collect stats */
4558 SendToProgram(".\n", &first);
4560 /* Don't send another until we get a response (this makes
4561 us stop sending to old Crafty's which don't understand
4562 the "." command (sending illegal cmds resets node count & time,
4563 which looks bad)) */
4564 programStats.ok_to_send = 0;
4567 void ics_update_width(new_width)
4570 ics_printf("set width %d\n", new_width);
4574 SendMoveToProgram(moveNum, cps)
4576 ChessProgramState *cps;
4580 if (cps->useUsermove) {
4581 SendToProgram("usermove ", cps);
4585 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4586 int len = space - parseList[moveNum];
4587 memcpy(buf, parseList[moveNum], len);
4589 buf[len] = NULLCHAR;
4591 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4593 SendToProgram(buf, cps);
4595 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4596 AlphaRank(moveList[moveNum], 4);
4597 SendToProgram(moveList[moveNum], cps);
4598 AlphaRank(moveList[moveNum], 4); // and back
4600 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4601 * the engine. It would be nice to have a better way to identify castle
4603 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4604 && cps->useOOCastle) {
4605 int fromX = moveList[moveNum][0] - AAA;
4606 int fromY = moveList[moveNum][1] - ONE;
4607 int toX = moveList[moveNum][2] - AAA;
4608 int toY = moveList[moveNum][3] - ONE;
4609 if((boards[moveNum][fromY][fromX] == WhiteKing
4610 && boards[moveNum][toY][toX] == WhiteRook)
4611 || (boards[moveNum][fromY][fromX] == BlackKing
4612 && boards[moveNum][toY][toX] == BlackRook)) {
4613 if(toX > fromX) SendToProgram("O-O\n", cps);
4614 else SendToProgram("O-O-O\n", cps);
4616 else SendToProgram(moveList[moveNum], cps);
4618 else SendToProgram(moveList[moveNum], cps);
4619 /* End of additions by Tord */
4622 /* [HGM] setting up the opening has brought engine in force mode! */
4623 /* Send 'go' if we are in a mode where machine should play. */
4624 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4625 (gameMode == TwoMachinesPlay ||
4627 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4629 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4630 SendToProgram("go\n", cps);
4631 if (appData.debugMode) {
4632 fprintf(debugFP, "(extra)\n");
4635 setboardSpoiledMachineBlack = 0;
4639 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4641 int fromX, fromY, toX, toY;
4644 char user_move[MSG_SIZ];
4648 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4649 (int)moveType, fromX, fromY, toX, toY);
4650 DisplayError(user_move + strlen("say "), 0);
4652 case WhiteKingSideCastle:
4653 case BlackKingSideCastle:
4654 case WhiteQueenSideCastleWild:
4655 case BlackQueenSideCastleWild:
4657 case WhiteHSideCastleFR:
4658 case BlackHSideCastleFR:
4660 snprintf(user_move, MSG_SIZ, "o-o\n");
4662 case WhiteQueenSideCastle:
4663 case BlackQueenSideCastle:
4664 case WhiteKingSideCastleWild:
4665 case BlackKingSideCastleWild:
4667 case WhiteASideCastleFR:
4668 case BlackASideCastleFR:
4670 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4672 case WhiteNonPromotion:
4673 case BlackNonPromotion:
4674 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4676 case WhitePromotion:
4677 case BlackPromotion:
4678 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4679 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4680 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4681 PieceToChar(WhiteFerz));
4682 else if(gameInfo.variant == VariantGreat)
4683 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4684 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4685 PieceToChar(WhiteMan));
4687 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4688 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4694 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
4695 ToUpper(PieceToChar((ChessSquare) fromX)),
4696 AAA + toX, ONE + toY);
4698 case IllegalMove: /* could be a variant we don't quite understand */
4699 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
4701 case WhiteCapturesEnPassant:
4702 case BlackCapturesEnPassant:
4703 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
4704 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4707 SendToICS(user_move);
4708 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4709 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4714 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
4715 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
4716 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
4717 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
4718 DisplayError("You cannot do this while you are playing or observing", 0);
4721 if(gameMode != IcsExamining) { // is this ever not the case?
4722 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
4724 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
4725 snprintf(command,MSG_SIZ, "match %s", ics_handle);
4726 } else { // on FICS we must first go to general examine mode
4727 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
4729 if(gameInfo.variant != VariantNormal) {
4730 // try figure out wild number, as xboard names are not always valid on ICS
4731 for(i=1; i<=36; i++) {
4732 snprintf(buf, MSG_SIZ, "wild/%d", i);
4733 if(StringToVariant(buf) == gameInfo.variant) break;
4735 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
4736 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
4737 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
4738 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
4739 SendToICS(ics_prefix);
4741 if(startedFromSetupPosition || backwardMostMove != 0) {
4742 fen = PositionToFEN(backwardMostMove, NULL);
4743 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
4744 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
4746 } else { // FICS: everything has to set by separate bsetup commands
4747 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
4748 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
4750 if(!WhiteOnMove(backwardMostMove)) {
4751 SendToICS("bsetup tomove black\n");
4753 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
4754 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
4756 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
4757 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
4759 i = boards[backwardMostMove][EP_STATUS];
4760 if(i >= 0) { // set e.p.
4761 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
4767 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
4768 SendToICS("bsetup done\n"); // switch to normal examining.
4770 for(i = backwardMostMove; i<last; i++) {
4772 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
4775 SendToICS(ics_prefix);
4776 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
4780 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4785 if (rf == DROP_RANK) {
4786 sprintf(move, "%c@%c%c\n",
4787 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4789 if (promoChar == 'x' || promoChar == NULLCHAR) {
4790 sprintf(move, "%c%c%c%c\n",
4791 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4793 sprintf(move, "%c%c%c%c%c\n",
4794 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4800 ProcessICSInitScript(f)
4805 while (fgets(buf, MSG_SIZ, f)) {
4806 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4813 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4815 AlphaRank(char *move, int n)
4817 // char *p = move, c; int x, y;
4819 if (appData.debugMode) {
4820 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4824 move[2]>='0' && move[2]<='9' &&
4825 move[3]>='a' && move[3]<='x' ) {
4827 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4828 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4830 if(move[0]>='0' && move[0]<='9' &&
4831 move[1]>='a' && move[1]<='x' &&
4832 move[2]>='0' && move[2]<='9' &&
4833 move[3]>='a' && move[3]<='x' ) {
4834 /* input move, Shogi -> normal */
4835 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4836 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4837 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4838 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4841 move[3]>='0' && move[3]<='9' &&
4842 move[2]>='a' && move[2]<='x' ) {
4844 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4845 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4848 move[0]>='a' && move[0]<='x' &&
4849 move[3]>='0' && move[3]<='9' &&
4850 move[2]>='a' && move[2]<='x' ) {
4851 /* output move, normal -> Shogi */
4852 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4853 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4854 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4855 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4856 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4858 if (appData.debugMode) {
4859 fprintf(debugFP, " out = '%s'\n", move);
4863 char yy_textstr[8000];
4865 /* Parser for moves from gnuchess, ICS, or user typein box */
4867 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4870 ChessMove *moveType;
4871 int *fromX, *fromY, *toX, *toY;
4874 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
4876 switch (*moveType) {
4877 case WhitePromotion:
4878 case BlackPromotion:
4879 case WhiteNonPromotion:
4880 case BlackNonPromotion:
4882 case WhiteCapturesEnPassant:
4883 case BlackCapturesEnPassant:
4884 case WhiteKingSideCastle:
4885 case WhiteQueenSideCastle:
4886 case BlackKingSideCastle:
4887 case BlackQueenSideCastle:
4888 case WhiteKingSideCastleWild:
4889 case WhiteQueenSideCastleWild:
4890 case BlackKingSideCastleWild:
4891 case BlackQueenSideCastleWild:
4892 /* Code added by Tord: */
4893 case WhiteHSideCastleFR:
4894 case WhiteASideCastleFR:
4895 case BlackHSideCastleFR:
4896 case BlackASideCastleFR:
4897 /* End of code added by Tord */
4898 case IllegalMove: /* bug or odd chess variant */
4899 *fromX = currentMoveString[0] - AAA;
4900 *fromY = currentMoveString[1] - ONE;
4901 *toX = currentMoveString[2] - AAA;
4902 *toY = currentMoveString[3] - ONE;
4903 *promoChar = currentMoveString[4];
4904 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4905 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4906 if (appData.debugMode) {
4907 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4909 *fromX = *fromY = *toX = *toY = 0;
4912 if (appData.testLegality) {
4913 return (*moveType != IllegalMove);
4915 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4916 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4921 *fromX = *moveType == WhiteDrop ?
4922 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4923 (int) CharToPiece(ToLower(currentMoveString[0]));
4925 *toX = currentMoveString[2] - AAA;
4926 *toY = currentMoveString[3] - ONE;
4927 *promoChar = NULLCHAR;
4931 case ImpossibleMove:
4941 if (appData.debugMode) {
4942 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4945 *fromX = *fromY = *toX = *toY = 0;
4946 *promoChar = NULLCHAR;
4953 ParsePV(char *pv, Boolean storeComments)
4954 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4955 int fromX, fromY, toX, toY; char promoChar;
4960 endPV = forwardMostMove;
4962 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
4963 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
4964 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4965 if(appData.debugMode){
4966 fprintf(debugFP,"parsePV: %d %c%c%c%c yy='%s'\nPV = '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, yy_textstr, pv);
4968 if(!valid && nr == 0 &&
4969 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4970 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4971 // Hande case where played move is different from leading PV move
4972 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
4973 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
4974 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
4975 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
4976 endPV += 2; // if position different, keep this
4977 moveList[endPV-1][0] = fromX + AAA;
4978 moveList[endPV-1][1] = fromY + ONE;
4979 moveList[endPV-1][2] = toX + AAA;
4980 moveList[endPV-1][3] = toY + ONE;
4981 parseList[endPV-1][0] = NULLCHAR;
4982 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
4985 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
4986 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
4987 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
4988 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
4989 valid++; // allow comments in PV
4993 if(endPV+1 > framePtr) break; // no space, truncate
4996 CopyBoard(boards[endPV], boards[endPV-1]);
4997 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
4998 moveList[endPV-1][0] = fromX + AAA;
4999 moveList[endPV-1][1] = fromY + ONE;
5000 moveList[endPV-1][2] = toX + AAA;
5001 moveList[endPV-1][3] = toY + ONE;
5002 moveList[endPV-1][4] = promoChar;
5003 moveList[endPV-1][5] = NULLCHAR;
5004 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5006 CoordsToAlgebraic(boards[endPV - 1],
5007 PosFlags(endPV - 1),
5008 fromY, fromX, toY, toX, promoChar,
5009 parseList[endPV - 1]);
5011 parseList[endPV-1][0] = NULLCHAR;
5013 currentMove = endPV;
5014 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5015 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5016 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5017 DrawPosition(TRUE, boards[currentMove]);
5020 static int lastX, lastY;
5023 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5028 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5029 lastX = x; lastY = y;
5030 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5032 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5033 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5035 do{ while(buf[index] && buf[index] != '\n') index++;
5036 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5038 ParsePV(buf+startPV, FALSE);
5039 *start = startPV; *end = index-1;
5044 LoadPV(int x, int y)
5045 { // called on right mouse click to load PV
5046 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5047 lastX = x; lastY = y;
5048 ParsePV(lastPV[which], FALSE); // load the PV of the thinking engine in the boards array.
5055 if(endPV < 0) return;
5057 currentMove = forwardMostMove;
5058 ClearPremoveHighlights();
5059 DrawPosition(TRUE, boards[currentMove]);
5063 MovePV(int x, int y, int h)
5064 { // step through PV based on mouse coordinates (called on mouse move)
5065 int margin = h>>3, step = 0;
5067 if(endPV < 0) return;
5068 // we must somehow check if right button is still down (might be released off board!)
5069 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
5070 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
5071 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
5073 lastX = x; lastY = y;
5074 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5075 currentMove += step;
5076 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5077 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5078 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5079 DrawPosition(FALSE, boards[currentMove]);
5083 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5084 // All positions will have equal probability, but the current method will not provide a unique
5085 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5091 int piecesLeft[(int)BlackPawn];
5092 int seed, nrOfShuffles;
5094 void GetPositionNumber()
5095 { // sets global variable seed
5098 seed = appData.defaultFrcPosition;
5099 if(seed < 0) { // randomize based on time for negative FRC position numbers
5100 for(i=0; i<50; i++) seed += random();
5101 seed = random() ^ random() >> 8 ^ random() << 8;
5102 if(seed<0) seed = -seed;
5106 int put(Board board, int pieceType, int rank, int n, int shade)
5107 // put the piece on the (n-1)-th empty squares of the given shade
5111 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5112 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5113 board[rank][i] = (ChessSquare) pieceType;
5114 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5116 piecesLeft[pieceType]--;
5124 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5125 // calculate where the next piece goes, (any empty square), and put it there
5129 i = seed % squaresLeft[shade];
5130 nrOfShuffles *= squaresLeft[shade];
5131 seed /= squaresLeft[shade];
5132 put(board, pieceType, rank, i, shade);
5135 void AddTwoPieces(Board board, int pieceType, int rank)
5136 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5138 int i, n=squaresLeft[ANY], j=n-1, k;
5140 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5141 i = seed % k; // pick one
5144 while(i >= j) i -= j--;
5145 j = n - 1 - j; i += j;
5146 put(board, pieceType, rank, j, ANY);
5147 put(board, pieceType, rank, i, ANY);
5150 void SetUpShuffle(Board board, int number)
5154 GetPositionNumber(); nrOfShuffles = 1;
5156 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5157 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5158 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5160 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5162 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5163 p = (int) board[0][i];
5164 if(p < (int) BlackPawn) piecesLeft[p] ++;
5165 board[0][i] = EmptySquare;
5168 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5169 // shuffles restricted to allow normal castling put KRR first
5170 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5171 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5172 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5173 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5174 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5175 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5176 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5177 put(board, WhiteRook, 0, 0, ANY);
5178 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5181 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5182 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5183 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5184 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5185 while(piecesLeft[p] >= 2) {
5186 AddOnePiece(board, p, 0, LITE);
5187 AddOnePiece(board, p, 0, DARK);
5189 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5192 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5193 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5194 // but we leave King and Rooks for last, to possibly obey FRC restriction
5195 if(p == (int)WhiteRook) continue;
5196 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5197 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5200 // now everything is placed, except perhaps King (Unicorn) and Rooks
5202 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5203 // Last King gets castling rights
5204 while(piecesLeft[(int)WhiteUnicorn]) {
5205 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5206 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5209 while(piecesLeft[(int)WhiteKing]) {
5210 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5211 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5216 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5217 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5220 // Only Rooks can be left; simply place them all
5221 while(piecesLeft[(int)WhiteRook]) {
5222 i = put(board, WhiteRook, 0, 0, ANY);
5223 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5226 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5228 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5231 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5232 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5235 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5238 int SetCharTable( char *table, const char * map )
5239 /* [HGM] moved here from winboard.c because of its general usefulness */
5240 /* Basically a safe strcpy that uses the last character as King */
5242 int result = FALSE; int NrPieces;
5244 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5245 && NrPieces >= 12 && !(NrPieces&1)) {
5246 int i; /* [HGM] Accept even length from 12 to 34 */
5248 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5249 for( i=0; i<NrPieces/2-1; i++ ) {
5251 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5253 table[(int) WhiteKing] = map[NrPieces/2-1];
5254 table[(int) BlackKing] = map[NrPieces-1];
5262 void Prelude(Board board)
5263 { // [HGM] superchess: random selection of exo-pieces
5264 int i, j, k; ChessSquare p;
5265 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5267 GetPositionNumber(); // use FRC position number
5269 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5270 SetCharTable(pieceToChar, appData.pieceToCharTable);
5271 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5272 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5275 j = seed%4; seed /= 4;
5276 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5277 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5278 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5279 j = seed%3 + (seed%3 >= j); seed /= 3;
5280 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5281 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5282 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5283 j = seed%3; seed /= 3;
5284 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5285 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5286 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5287 j = seed%2 + (seed%2 >= j); seed /= 2;
5288 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5289 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5290 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5291 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5292 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5293 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5294 put(board, exoPieces[0], 0, 0, ANY);
5295 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5299 InitPosition(redraw)
5302 ChessSquare (* pieces)[BOARD_FILES];
5303 int i, j, pawnRow, overrule,
5304 oldx = gameInfo.boardWidth,
5305 oldy = gameInfo.boardHeight,
5306 oldh = gameInfo.holdingsWidth,
5307 oldv = gameInfo.variant;
5309 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5311 /* [AS] Initialize pv info list [HGM] and game status */
5313 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5314 pvInfoList[i].depth = 0;
5315 boards[i][EP_STATUS] = EP_NONE;
5316 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5319 initialRulePlies = 0; /* 50-move counter start */
5321 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5322 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5326 /* [HGM] logic here is completely changed. In stead of full positions */
5327 /* the initialized data only consist of the two backranks. The switch */
5328 /* selects which one we will use, which is than copied to the Board */
5329 /* initialPosition, which for the rest is initialized by Pawns and */
5330 /* empty squares. This initial position is then copied to boards[0], */
5331 /* possibly after shuffling, so that it remains available. */
5333 gameInfo.holdingsWidth = 0; /* default board sizes */
5334 gameInfo.boardWidth = 8;
5335 gameInfo.boardHeight = 8;
5336 gameInfo.holdingsSize = 0;
5337 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5338 for(i=0; i<BOARD_FILES-2; i++)
5339 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5340 initialPosition[EP_STATUS] = EP_NONE;
5341 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5342 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5343 SetCharTable(pieceNickName, appData.pieceNickNames);
5344 else SetCharTable(pieceNickName, "............");
5347 switch (gameInfo.variant) {
5348 case VariantFischeRandom:
5349 shuffleOpenings = TRUE;
5352 case VariantShatranj:
5353 pieces = ShatranjArray;
5354 nrCastlingRights = 0;
5355 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5358 pieces = makrukArray;
5359 nrCastlingRights = 0;
5360 startedFromSetupPosition = TRUE;
5361 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5363 case VariantTwoKings:
5364 pieces = twoKingsArray;
5366 case VariantCapaRandom:
5367 shuffleOpenings = TRUE;
5368 case VariantCapablanca:
5369 pieces = CapablancaArray;
5370 gameInfo.boardWidth = 10;
5371 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5374 pieces = GothicArray;
5375 gameInfo.boardWidth = 10;
5376 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5379 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5380 gameInfo.holdingsSize = 7;
5383 pieces = JanusArray;
5384 gameInfo.boardWidth = 10;
5385 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5386 nrCastlingRights = 6;
5387 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5388 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5389 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5390 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5391 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5392 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5395 pieces = FalconArray;
5396 gameInfo.boardWidth = 10;
5397 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5399 case VariantXiangqi:
5400 pieces = XiangqiArray;
5401 gameInfo.boardWidth = 9;
5402 gameInfo.boardHeight = 10;
5403 nrCastlingRights = 0;
5404 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5407 pieces = ShogiArray;
5408 gameInfo.boardWidth = 9;
5409 gameInfo.boardHeight = 9;
5410 gameInfo.holdingsSize = 7;
5411 nrCastlingRights = 0;
5412 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5414 case VariantCourier:
5415 pieces = CourierArray;
5416 gameInfo.boardWidth = 12;
5417 nrCastlingRights = 0;
5418 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5420 case VariantKnightmate:
5421 pieces = KnightmateArray;
5422 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5424 case VariantSpartan:
5425 pieces = SpartanArray;
5426 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5429 pieces = fairyArray;
5430 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5433 pieces = GreatArray;
5434 gameInfo.boardWidth = 10;
5435 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5436 gameInfo.holdingsSize = 8;
5440 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5441 gameInfo.holdingsSize = 8;
5442 startedFromSetupPosition = TRUE;
5444 case VariantCrazyhouse:
5445 case VariantBughouse:
5447 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5448 gameInfo.holdingsSize = 5;
5450 case VariantWildCastle:
5452 /* !!?shuffle with kings guaranteed to be on d or e file */
5453 shuffleOpenings = 1;
5455 case VariantNoCastle:
5457 nrCastlingRights = 0;
5458 /* !!?unconstrained back-rank shuffle */
5459 shuffleOpenings = 1;
5464 if(appData.NrFiles >= 0) {
5465 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5466 gameInfo.boardWidth = appData.NrFiles;
5468 if(appData.NrRanks >= 0) {
5469 gameInfo.boardHeight = appData.NrRanks;
5471 if(appData.holdingsSize >= 0) {
5472 i = appData.holdingsSize;
5473 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5474 gameInfo.holdingsSize = i;
5476 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5477 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5478 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5480 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5481 if(pawnRow < 1) pawnRow = 1;
5482 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5484 /* User pieceToChar list overrules defaults */
5485 if(appData.pieceToCharTable != NULL)
5486 SetCharTable(pieceToChar, appData.pieceToCharTable);
5488 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5490 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5491 s = (ChessSquare) 0; /* account holding counts in guard band */
5492 for( i=0; i<BOARD_HEIGHT; i++ )
5493 initialPosition[i][j] = s;
5495 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5496 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5497 initialPosition[pawnRow][j] = WhitePawn;
5498 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5499 if(gameInfo.variant == VariantXiangqi) {
5501 initialPosition[pawnRow][j] =
5502 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5503 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5504 initialPosition[2][j] = WhiteCannon;
5505 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5509 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5511 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5514 initialPosition[1][j] = WhiteBishop;
5515 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5517 initialPosition[1][j] = WhiteRook;
5518 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5521 if( nrCastlingRights == -1) {
5522 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5523 /* This sets default castling rights from none to normal corners */
5524 /* Variants with other castling rights must set them themselves above */
5525 nrCastlingRights = 6;
5527 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5528 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5529 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5530 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5531 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5532 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5535 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5536 if(gameInfo.variant == VariantGreat) { // promotion commoners
5537 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5538 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5539 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5540 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5542 if( gameInfo.variant == VariantSChess ) {
5543 initialPosition[1][0] = BlackMarshall;
5544 initialPosition[2][0] = BlackAngel;
5545 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5546 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5547 initialPosition[1][1] = initialPosition[2][1] =
5548 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5550 if (appData.debugMode) {
5551 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5553 if(shuffleOpenings) {
5554 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5555 startedFromSetupPosition = TRUE;
5557 if(startedFromPositionFile) {
5558 /* [HGM] loadPos: use PositionFile for every new game */
5559 CopyBoard(initialPosition, filePosition);
5560 for(i=0; i<nrCastlingRights; i++)
5561 initialRights[i] = filePosition[CASTLING][i];
5562 startedFromSetupPosition = TRUE;
5565 CopyBoard(boards[0], initialPosition);
5567 if(oldx != gameInfo.boardWidth ||
5568 oldy != gameInfo.boardHeight ||
5569 oldh != gameInfo.holdingsWidth
5571 || oldv == VariantGothic || // For licensing popups
5572 gameInfo.variant == VariantGothic
5575 || oldv == VariantFalcon ||
5576 gameInfo.variant == VariantFalcon
5579 InitDrawingSizes(-2 ,0);
5582 DrawPosition(TRUE, boards[currentMove]);
5586 SendBoard(cps, moveNum)
5587 ChessProgramState *cps;
5590 char message[MSG_SIZ];
5592 if (cps->useSetboard) {
5593 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5594 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
5595 SendToProgram(message, cps);
5601 /* Kludge to set black to move, avoiding the troublesome and now
5602 * deprecated "black" command.
5604 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
5605 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
5607 SendToProgram("edit\n", cps);
5608 SendToProgram("#\n", cps);
5609 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5610 bp = &boards[moveNum][i][BOARD_LEFT];
5611 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5612 if ((int) *bp < (int) BlackPawn) {
5613 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
5615 if(message[0] == '+' || message[0] == '~') {
5616 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5617 PieceToChar((ChessSquare)(DEMOTED *bp)),
5620 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5621 message[1] = BOARD_RGHT - 1 - j + '1';
5622 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5624 SendToProgram(message, cps);
5629 SendToProgram("c\n", cps);
5630 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5631 bp = &boards[moveNum][i][BOARD_LEFT];
5632 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5633 if (((int) *bp != (int) EmptySquare)
5634 && ((int) *bp >= (int) BlackPawn)) {
5635 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5637 if(message[0] == '+' || message[0] == '~') {
5638 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5639 PieceToChar((ChessSquare)(DEMOTED *bp)),
5642 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5643 message[1] = BOARD_RGHT - 1 - j + '1';
5644 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5646 SendToProgram(message, cps);
5651 SendToProgram(".\n", cps);
5653 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5656 static int autoQueen; // [HGM] oneclick
5659 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5661 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5662 /* [HGM] add Shogi promotions */
5663 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5668 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5669 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5671 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5672 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5675 piece = boards[currentMove][fromY][fromX];
5676 if(gameInfo.variant == VariantShogi) {
5677 promotionZoneSize = BOARD_HEIGHT/3;
5678 highestPromotingPiece = (int)WhiteFerz;
5679 } else if(gameInfo.variant == VariantMakruk) {
5680 promotionZoneSize = 3;
5683 // Treat Lance as Pawn when it is not representing Amazon
5684 if(gameInfo.variant != VariantSuper) {
5685 if(piece == WhiteLance) piece = WhitePawn; else
5686 if(piece == BlackLance) piece = BlackPawn;
5689 // next weed out all moves that do not touch the promotion zone at all
5690 if((int)piece >= BlackPawn) {
5691 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5693 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5695 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5696 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5699 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5701 // weed out mandatory Shogi promotions
5702 if(gameInfo.variant == VariantShogi) {
5703 if(piece >= BlackPawn) {
5704 if(toY == 0 && piece == BlackPawn ||
5705 toY == 0 && piece == BlackQueen ||
5706 toY <= 1 && piece == BlackKnight) {
5711 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5712 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5713 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5720 // weed out obviously illegal Pawn moves
5721 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5722 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5723 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5724 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5725 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5726 // note we are not allowed to test for valid (non-)capture, due to premove
5729 // we either have a choice what to promote to, or (in Shogi) whether to promote
5730 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5731 *promoChoice = PieceToChar(BlackFerz); // no choice
5734 // no sense asking what we must promote to if it is going to explode...
5735 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
5736 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
5739 if(autoQueen) { // predetermined
5740 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5741 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5742 else *promoChoice = PieceToChar(BlackQueen);
5746 // suppress promotion popup on illegal moves that are not premoves
5747 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5748 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5749 if(appData.testLegality && !premove) {
5750 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5751 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
5752 if(moveType != WhitePromotion && moveType != BlackPromotion)
5760 InPalace(row, column)
5762 { /* [HGM] for Xiangqi */
5763 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5764 column < (BOARD_WIDTH + 4)/2 &&
5765 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5770 PieceForSquare (x, y)
5774 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5777 return boards[currentMove][y][x];
5781 OKToStartUserMove(x, y)
5784 ChessSquare from_piece;
5787 if (matchMode) return FALSE;
5788 if (gameMode == EditPosition) return TRUE;
5790 if (x >= 0 && y >= 0)
5791 from_piece = boards[currentMove][y][x];
5793 from_piece = EmptySquare;
5795 if (from_piece == EmptySquare) return FALSE;
5797 white_piece = (int)from_piece >= (int)WhitePawn &&
5798 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5801 case PlayFromGameFile:
5803 case TwoMachinesPlay:
5811 case MachinePlaysWhite:
5812 case IcsPlayingBlack:
5813 if (appData.zippyPlay) return FALSE;
5815 DisplayMoveError(_("You are playing Black"));
5820 case MachinePlaysBlack:
5821 case IcsPlayingWhite:
5822 if (appData.zippyPlay) return FALSE;
5824 DisplayMoveError(_("You are playing White"));
5830 if (!white_piece && WhiteOnMove(currentMove)) {
5831 DisplayMoveError(_("It is White's turn"));
5834 if (white_piece && !WhiteOnMove(currentMove)) {
5835 DisplayMoveError(_("It is Black's turn"));
5838 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5839 /* Editing correspondence game history */
5840 /* Could disallow this or prompt for confirmation */
5845 case BeginningOfGame:
5846 if (appData.icsActive) return FALSE;
5847 if (!appData.noChessProgram) {
5849 DisplayMoveError(_("You are playing White"));
5856 if (!white_piece && WhiteOnMove(currentMove)) {
5857 DisplayMoveError(_("It is White's turn"));
5860 if (white_piece && !WhiteOnMove(currentMove)) {
5861 DisplayMoveError(_("It is Black's turn"));
5870 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5871 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5872 && gameMode != AnalyzeFile && gameMode != Training) {
5873 DisplayMoveError(_("Displayed position is not current"));
5880 OnlyMove(int *x, int *y, Boolean captures) {
5881 DisambiguateClosure cl;
5882 if (appData.zippyPlay) return FALSE;
5884 case MachinePlaysBlack:
5885 case IcsPlayingWhite:
5886 case BeginningOfGame:
5887 if(!WhiteOnMove(currentMove)) return FALSE;
5889 case MachinePlaysWhite:
5890 case IcsPlayingBlack:
5891 if(WhiteOnMove(currentMove)) return FALSE;
5898 cl.pieceIn = EmptySquare;
5903 cl.promoCharIn = NULLCHAR;
5904 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5905 if( cl.kind == NormalMove ||
5906 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5907 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5908 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5915 if(cl.kind != ImpossibleMove) return FALSE;
5916 cl.pieceIn = EmptySquare;
5921 cl.promoCharIn = NULLCHAR;
5922 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5923 if( cl.kind == NormalMove ||
5924 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5925 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5926 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5931 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5937 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5938 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5939 int lastLoadGameUseList = FALSE;
5940 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5941 ChessMove lastLoadGameStart = EndOfFile;
5944 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5945 int fromX, fromY, toX, toY;
5949 ChessSquare pdown, pup;
5951 /* Check if the user is playing in turn. This is complicated because we
5952 let the user "pick up" a piece before it is his turn. So the piece he
5953 tried to pick up may have been captured by the time he puts it down!
5954 Therefore we use the color the user is supposed to be playing in this
5955 test, not the color of the piece that is currently on the starting
5956 square---except in EditGame mode, where the user is playing both
5957 sides; fortunately there the capture race can't happen. (It can
5958 now happen in IcsExamining mode, but that's just too bad. The user
5959 will get a somewhat confusing message in that case.)
5963 case PlayFromGameFile:
5965 case TwoMachinesPlay:
5969 /* We switched into a game mode where moves are not accepted,
5970 perhaps while the mouse button was down. */
5973 case MachinePlaysWhite:
5974 /* User is moving for Black */
5975 if (WhiteOnMove(currentMove)) {
5976 DisplayMoveError(_("It is White's turn"));
5981 case MachinePlaysBlack:
5982 /* User is moving for White */
5983 if (!WhiteOnMove(currentMove)) {
5984 DisplayMoveError(_("It is Black's turn"));
5991 case BeginningOfGame:
5994 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5995 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5996 /* User is moving for Black */
5997 if (WhiteOnMove(currentMove)) {
5998 DisplayMoveError(_("It is White's turn"));
6002 /* User is moving for White */
6003 if (!WhiteOnMove(currentMove)) {
6004 DisplayMoveError(_("It is Black's turn"));
6010 case IcsPlayingBlack:
6011 /* User is moving for Black */
6012 if (WhiteOnMove(currentMove)) {
6013 if (!appData.premove) {
6014 DisplayMoveError(_("It is White's turn"));
6015 } else if (toX >= 0 && toY >= 0) {
6018 premoveFromX = fromX;
6019 premoveFromY = fromY;
6020 premovePromoChar = promoChar;
6022 if (appData.debugMode)
6023 fprintf(debugFP, "Got premove: fromX %d,"
6024 "fromY %d, toX %d, toY %d\n",
6025 fromX, fromY, toX, toY);
6031 case IcsPlayingWhite:
6032 /* User is moving for White */
6033 if (!WhiteOnMove(currentMove)) {
6034 if (!appData.premove) {
6035 DisplayMoveError(_("It is Black's turn"));
6036 } else if (toX >= 0 && toY >= 0) {
6039 premoveFromX = fromX;
6040 premoveFromY = fromY;
6041 premovePromoChar = promoChar;
6043 if (appData.debugMode)
6044 fprintf(debugFP, "Got premove: fromX %d,"
6045 "fromY %d, toX %d, toY %d\n",
6046 fromX, fromY, toX, toY);
6056 /* EditPosition, empty square, or different color piece;
6057 click-click move is possible */
6058 if (toX == -2 || toY == -2) {
6059 boards[0][fromY][fromX] = EmptySquare;
6060 DrawPosition(FALSE, boards[currentMove]);
6062 } else if (toX >= 0 && toY >= 0) {
6063 boards[0][toY][toX] = boards[0][fromY][fromX];
6064 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6065 if(boards[0][fromY][0] != EmptySquare) {
6066 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6067 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6070 if(fromX == BOARD_RGHT+1) {
6071 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6072 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6073 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6076 boards[0][fromY][fromX] = EmptySquare;
6077 DrawPosition(FALSE, boards[currentMove]);
6083 if(toX < 0 || toY < 0) return;
6084 pdown = boards[currentMove][fromY][fromX];
6085 pup = boards[currentMove][toY][toX];
6087 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6088 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
6089 if( pup != EmptySquare ) return;
6090 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6091 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6092 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6093 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6094 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6095 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6096 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6100 /* [HGM] always test for legality, to get promotion info */
6101 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6102 fromY, fromX, toY, toX, promoChar);
6103 /* [HGM] but possibly ignore an IllegalMove result */
6104 if (appData.testLegality) {
6105 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6106 DisplayMoveError(_("Illegal move"));
6111 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6114 /* Common tail of UserMoveEvent and DropMenuEvent */
6116 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6118 int fromX, fromY, toX, toY;
6119 /*char*/int promoChar;
6123 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6124 // [HGM] superchess: suppress promotions to non-available piece
6125 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6126 if(WhiteOnMove(currentMove)) {
6127 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6129 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6133 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6134 move type in caller when we know the move is a legal promotion */
6135 if(moveType == NormalMove && promoChar)
6136 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6138 /* [HGM] <popupFix> The following if has been moved here from
6139 UserMoveEvent(). Because it seemed to belong here (why not allow
6140 piece drops in training games?), and because it can only be
6141 performed after it is known to what we promote. */
6142 if (gameMode == Training) {
6143 /* compare the move played on the board to the next move in the
6144 * game. If they match, display the move and the opponent's response.
6145 * If they don't match, display an error message.
6149 CopyBoard(testBoard, boards[currentMove]);
6150 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6152 if (CompareBoards(testBoard, boards[currentMove+1])) {
6153 ForwardInner(currentMove+1);
6155 /* Autoplay the opponent's response.
6156 * if appData.animate was TRUE when Training mode was entered,
6157 * the response will be animated.
6159 saveAnimate = appData.animate;
6160 appData.animate = animateTraining;
6161 ForwardInner(currentMove+1);
6162 appData.animate = saveAnimate;
6164 /* check for the end of the game */
6165 if (currentMove >= forwardMostMove) {
6166 gameMode = PlayFromGameFile;
6168 SetTrainingModeOff();
6169 DisplayInformation(_("End of game"));
6172 DisplayError(_("Incorrect move"), 0);
6177 /* Ok, now we know that the move is good, so we can kill
6178 the previous line in Analysis Mode */
6179 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6180 && currentMove < forwardMostMove) {
6181 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6182 else forwardMostMove = currentMove;
6185 /* If we need the chess program but it's dead, restart it */
6186 ResurrectChessProgram();
6188 /* A user move restarts a paused game*/
6192 thinkOutput[0] = NULLCHAR;
6194 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6196 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
6198 if (gameMode == BeginningOfGame) {
6199 if (appData.noChessProgram) {
6200 gameMode = EditGame;
6204 gameMode = MachinePlaysBlack;
6207 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6209 if (first.sendName) {
6210 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6211 SendToProgram(buf, &first);
6218 /* Relay move to ICS or chess engine */
6219 if (appData.icsActive) {
6220 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6221 gameMode == IcsExamining) {
6222 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6223 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6225 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6227 // also send plain move, in case ICS does not understand atomic claims
6228 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6232 if (first.sendTime && (gameMode == BeginningOfGame ||
6233 gameMode == MachinePlaysWhite ||
6234 gameMode == MachinePlaysBlack)) {
6235 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6237 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6238 // [HGM] book: if program might be playing, let it use book
6239 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6240 first.maybeThinking = TRUE;
6241 } else SendMoveToProgram(forwardMostMove-1, &first);
6242 if (currentMove == cmailOldMove + 1) {
6243 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6247 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6251 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6257 if (WhiteOnMove(currentMove)) {
6258 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6260 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6264 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6269 case MachinePlaysBlack:
6270 case MachinePlaysWhite:
6271 /* disable certain menu options while machine is thinking */
6272 SetMachineThinkingEnables();
6279 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6281 if(bookHit) { // [HGM] book: simulate book reply
6282 static char bookMove[MSG_SIZ]; // a bit generous?
6284 programStats.nodes = programStats.depth = programStats.time =
6285 programStats.score = programStats.got_only_move = 0;
6286 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6288 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6289 strcat(bookMove, bookHit);
6290 HandleMachineMove(bookMove, &first);
6296 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6303 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6304 Markers *m = (Markers *) closure;
6305 if(rf == fromY && ff == fromX)
6306 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6307 || kind == WhiteCapturesEnPassant
6308 || kind == BlackCapturesEnPassant);
6309 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6313 MarkTargetSquares(int clear)
6316 if(!appData.markers || !appData.highlightDragging ||
6317 !appData.testLegality || gameMode == EditPosition) return;
6319 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6322 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6323 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6324 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6326 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6329 DrawPosition(TRUE, NULL);
6333 Explode(Board board, int fromX, int fromY, int toX, int toY)
6335 if(gameInfo.variant == VariantAtomic &&
6336 (board[toY][toX] != EmptySquare || // capture?
6337 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6338 board[fromY][fromX] == BlackPawn )
6340 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6346 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6348 void LeftClick(ClickType clickType, int xPix, int yPix)
6351 Boolean saveAnimate;
6352 static int second = 0, promotionChoice = 0, dragging = 0;
6353 char promoChoice = NULLCHAR;
6355 if(appData.seekGraph && appData.icsActive && loggedOn &&
6356 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6357 SeekGraphClick(clickType, xPix, yPix, 0);
6361 if (clickType == Press) ErrorPopDown();
6362 MarkTargetSquares(1);
6364 x = EventToSquare(xPix, BOARD_WIDTH);
6365 y = EventToSquare(yPix, BOARD_HEIGHT);
6366 if (!flipView && y >= 0) {
6367 y = BOARD_HEIGHT - 1 - y;
6369 if (flipView && x >= 0) {
6370 x = BOARD_WIDTH - 1 - x;
6373 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6374 if(clickType == Release) return; // ignore upclick of click-click destination
6375 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6376 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6377 if(gameInfo.holdingsWidth &&
6378 (WhiteOnMove(currentMove)
6379 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6380 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6381 // click in right holdings, for determining promotion piece
6382 ChessSquare p = boards[currentMove][y][x];
6383 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6384 if(p != EmptySquare) {
6385 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6390 DrawPosition(FALSE, boards[currentMove]);
6394 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6395 if(clickType == Press
6396 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6397 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6398 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6401 autoQueen = appData.alwaysPromoteToQueen;
6404 gatingPiece = EmptySquare;
6405 if (clickType != Press) {
6406 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6407 DragPieceEnd(xPix, yPix); dragging = 0;
6408 DrawPosition(FALSE, NULL);
6412 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6414 if (OKToStartUserMove(x, y)) {
6418 MarkTargetSquares(0);
6419 DragPieceBegin(xPix, yPix); dragging = 1;
6420 if (appData.highlightDragging) {
6421 SetHighlights(x, y, -1, -1);
6429 if (clickType == Press && gameMode != EditPosition) {
6434 // ignore off-board to clicks
6435 if(y < 0 || x < 0) return;
6437 /* Check if clicking again on the same color piece */
6438 fromP = boards[currentMove][fromY][fromX];
6439 toP = boards[currentMove][y][x];
6440 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6441 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6442 WhitePawn <= toP && toP <= WhiteKing &&
6443 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6444 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6445 (BlackPawn <= fromP && fromP <= BlackKing &&
6446 BlackPawn <= toP && toP <= BlackKing &&
6447 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6448 !(fromP == BlackKing && toP == BlackRook && frc))) {
6449 /* Clicked again on same color piece -- changed his mind */
6450 second = (x == fromX && y == fromY);
6451 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6452 if (appData.highlightDragging) {
6453 SetHighlights(x, y, -1, -1);
6457 if (OKToStartUserMove(x, y)) {
6458 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6459 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6460 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6461 gatingPiece = boards[currentMove][fromY][fromX];
6462 else gatingPiece = EmptySquare;
6464 fromY = y; dragging = 1;
6465 MarkTargetSquares(0);
6466 DragPieceBegin(xPix, yPix);
6469 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6472 // ignore clicks on holdings
6473 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6476 if (clickType == Release && x == fromX && y == fromY) {
6477 DragPieceEnd(xPix, yPix); dragging = 0;
6478 if (appData.animateDragging) {
6479 /* Undo animation damage if any */
6480 DrawPosition(FALSE, NULL);
6483 /* Second up/down in same square; just abort move */
6486 gatingPiece = EmptySquare;
6489 ClearPremoveHighlights();
6491 /* First upclick in same square; start click-click mode */
6492 SetHighlights(x, y, -1, -1);
6497 /* we now have a different from- and (possibly off-board) to-square */
6498 /* Completed move */
6501 saveAnimate = appData.animate;
6502 if (clickType == Press) {
6503 /* Finish clickclick move */
6504 if (appData.animate || appData.highlightLastMove) {
6505 SetHighlights(fromX, fromY, toX, toY);
6510 /* Finish drag move */
6511 if (appData.highlightLastMove) {
6512 SetHighlights(fromX, fromY, toX, toY);
6516 DragPieceEnd(xPix, yPix); dragging = 0;
6517 /* Don't animate move and drag both */
6518 appData.animate = FALSE;
6521 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6522 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6523 ChessSquare piece = boards[currentMove][fromY][fromX];
6524 if(gameMode == EditPosition && piece != EmptySquare &&
6525 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6528 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6529 n = PieceToNumber(piece - (int)BlackPawn);
6530 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6531 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6532 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6534 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6535 n = PieceToNumber(piece);
6536 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6537 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6538 boards[currentMove][n][BOARD_WIDTH-2]++;
6540 boards[currentMove][fromY][fromX] = EmptySquare;
6544 DrawPosition(TRUE, boards[currentMove]);
6548 // off-board moves should not be highlighted
6549 if(x < 0 || y < 0) ClearHighlights();
6551 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
6553 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6554 SetHighlights(fromX, fromY, toX, toY);
6555 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6556 // [HGM] super: promotion to captured piece selected from holdings
6557 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6558 promotionChoice = TRUE;
6559 // kludge follows to temporarily execute move on display, without promoting yet
6560 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6561 boards[currentMove][toY][toX] = p;
6562 DrawPosition(FALSE, boards[currentMove]);
6563 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6564 boards[currentMove][toY][toX] = q;
6565 DisplayMessage("Click in holdings to choose piece", "");
6570 int oldMove = currentMove;
6571 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6572 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6573 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6574 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
6575 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
6576 DrawPosition(TRUE, boards[currentMove]);
6579 appData.animate = saveAnimate;
6580 if (appData.animate || appData.animateDragging) {
6581 /* Undo animation damage if needed */
6582 DrawPosition(FALSE, NULL);
6586 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6587 { // front-end-free part taken out of PieceMenuPopup
6588 int whichMenu; int xSqr, ySqr;
6590 if(seekGraphUp) { // [HGM] seekgraph
6591 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6592 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6596 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6597 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6598 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6599 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6600 if(action == Press) {
6601 originalFlip = flipView;
6602 flipView = !flipView; // temporarily flip board to see game from partners perspective
6603 DrawPosition(TRUE, partnerBoard);
6604 DisplayMessage(partnerStatus, "");
6606 } else if(action == Release) {
6607 flipView = originalFlip;
6608 DrawPosition(TRUE, boards[currentMove]);
6614 xSqr = EventToSquare(x, BOARD_WIDTH);
6615 ySqr = EventToSquare(y, BOARD_HEIGHT);
6616 if (action == Release) UnLoadPV(); // [HGM] pv
6617 if (action != Press) return -2; // return code to be ignored
6620 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6622 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6623 if (xSqr < 0 || ySqr < 0) return -1;
\r
6624 whichMenu = 0; // edit-position menu
6627 if(!appData.icsEngineAnalyze) return -1;
6628 case IcsPlayingWhite:
6629 case IcsPlayingBlack:
6630 if(!appData.zippyPlay) goto noZip;
6633 case MachinePlaysWhite:
6634 case MachinePlaysBlack:
6635 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6636 if (!appData.dropMenu) {
6638 return 2; // flag front-end to grab mouse events
6640 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6641 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6644 if (xSqr < 0 || ySqr < 0) return -1;
6645 if (!appData.dropMenu || appData.testLegality &&
6646 gameInfo.variant != VariantBughouse &&
6647 gameInfo.variant != VariantCrazyhouse) return -1;
6648 whichMenu = 1; // drop menu
6654 if (((*fromX = xSqr) < 0) ||
6655 ((*fromY = ySqr) < 0)) {
6656 *fromX = *fromY = -1;
6660 *fromX = BOARD_WIDTH - 1 - *fromX;
6662 *fromY = BOARD_HEIGHT - 1 - *fromY;
6667 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6669 // char * hint = lastHint;
6670 FrontEndProgramStats stats;
6672 stats.which = cps == &first ? 0 : 1;
6673 stats.depth = cpstats->depth;
6674 stats.nodes = cpstats->nodes;
6675 stats.score = cpstats->score;
6676 stats.time = cpstats->time;
6677 stats.pv = cpstats->movelist;
6678 stats.hint = lastHint;
6679 stats.an_move_index = 0;
6680 stats.an_move_count = 0;
6682 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6683 stats.hint = cpstats->move_name;
6684 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6685 stats.an_move_count = cpstats->nr_moves;
6688 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
6690 SetProgramStats( &stats );
6694 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
6695 { // count all piece types
6697 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
6698 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
6699 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
6702 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
6703 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
6704 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
6705 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
6706 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
6707 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
6712 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
6714 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
6715 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
6717 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
6718 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
6719 if(myPawns == 2 && nMine == 3) // KPP
6720 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
6721 if(myPawns == 1 && nMine == 2) // KP
6722 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6723 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
6724 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
6725 if(myPawns) return FALSE;
6726 if(pCnt[WhiteRook+side])
6727 return pCnt[BlackRook-side] ||
6728 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
6729 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
6730 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
6731 if(pCnt[WhiteCannon+side]) {
6732 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
6733 return majorDefense || pCnt[BlackAlfil-side] >= 2;
6735 if(pCnt[WhiteKnight+side])
6736 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6741 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
6743 VariantClass v = gameInfo.variant;
6745 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
6746 if(v == VariantShatranj) return TRUE; // always winnable through baring
6747 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
6748 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
6750 if(v == VariantXiangqi) {
6751 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
6753 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
6754 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
6755 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
6756 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
6757 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
6758 if(stale) // we have at least one last-rank P plus perhaps C
6759 return majors // KPKX
6760 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
6762 return pCnt[WhiteFerz+side] // KCAK
6763 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
6764 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
6765 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
6767 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
6768 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
6770 if(nMine == 1) return FALSE; // bare King
6771 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
6772 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
6773 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
6774 // by now we have King + 1 piece (or multiple Bishops on the same color)
6775 if(pCnt[WhiteKnight+side])
6776 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
6777 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
6778 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
6780 return (pCnt[BlackKnight-side]); // KBKN, KFKN
6781 if(pCnt[WhiteAlfil+side])
6782 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
6783 if(pCnt[WhiteWazir+side])
6784 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
6791 Adjudicate(ChessProgramState *cps)
6792 { // [HGM] some adjudications useful with buggy engines
6793 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6794 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6795 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6796 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6797 int k, count = 0; static int bare = 1;
6798 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6799 Boolean canAdjudicate = !appData.icsActive;
6801 // most tests only when we understand the game, i.e. legality-checking on
6802 if( appData.testLegality )
6803 { /* [HGM] Some more adjudications for obstinate engines */
6804 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
6805 static int moveCount = 6;
6807 char *reason = NULL;
6809 /* Count what is on board. */
6810 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
6812 /* Some material-based adjudications that have to be made before stalemate test */
6813 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
6814 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6815 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6816 if(canAdjudicate && appData.checkMates) {
6818 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6819 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6820 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6821 "Xboard adjudication: King destroyed", GE_XBOARD );
6826 /* Bare King in Shatranj (loses) or Losers (wins) */
6827 if( nrW == 1 || nrB == 1) {
6828 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6829 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6830 if(canAdjudicate && appData.checkMates) {
6832 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6833 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6834 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6835 "Xboard adjudication: Bare king", GE_XBOARD );
6839 if( gameInfo.variant == VariantShatranj && --bare < 0)
6841 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6842 if(canAdjudicate && appData.checkMates) {
6843 /* but only adjudicate if adjudication enabled */
6845 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6846 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6847 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
6848 "Xboard adjudication: Bare king", GE_XBOARD );
6855 // don't wait for engine to announce game end if we can judge ourselves
6856 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6858 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6859 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6860 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6861 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6864 reason = "Xboard adjudication: 3rd check";
6865 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6875 reason = "Xboard adjudication: Stalemate";
6876 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6877 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6878 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6879 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6880 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6881 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
6882 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
6883 EP_CHECKMATE : EP_WINS);
6884 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6885 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6889 reason = "Xboard adjudication: Checkmate";
6890 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6894 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6896 result = GameIsDrawn; break;
6898 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6900 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6904 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6906 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6907 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6908 GameEnds( result, reason, GE_XBOARD );
6912 /* Next absolutely insufficient mating material. */
6913 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
6914 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
6915 { /* includes KBK, KNK, KK of KBKB with like Bishops */
6917 /* always flag draws, for judging claims */
6918 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6920 if(canAdjudicate && appData.materialDraws) {
6921 /* but only adjudicate them if adjudication enabled */
6922 if(engineOpponent) {
6923 SendToProgram("force\n", engineOpponent); // suppress reply
6924 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6926 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6927 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6932 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6933 if(gameInfo.variant == VariantXiangqi ?
6934 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
6936 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
6937 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
6938 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
6939 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
6941 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6942 { /* if the first 3 moves do not show a tactical win, declare draw */
6943 if(engineOpponent) {
6944 SendToProgram("force\n", engineOpponent); // suppress reply
6945 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6947 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6948 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6951 } else moveCount = 6;
6953 if (appData.debugMode) { int i;
6954 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6955 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6956 appData.drawRepeats);
6957 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6958 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6962 // Repetition draws and 50-move rule can be applied independently of legality testing
6964 /* Check for rep-draws */
6966 for(k = forwardMostMove-2;
6967 k>=backwardMostMove && k>=forwardMostMove-100 &&
6968 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6969 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6972 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6973 /* compare castling rights */
6974 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6975 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6976 rights++; /* King lost rights, while rook still had them */
6977 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6978 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6979 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6980 rights++; /* but at least one rook lost them */
6982 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6983 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6985 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6986 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6987 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6990 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6991 && appData.drawRepeats > 1) {
6992 /* adjudicate after user-specified nr of repeats */
6993 int result = GameIsDrawn;
6994 char *details = "XBoard adjudication: repetition draw";
6995 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6996 // [HGM] xiangqi: check for forbidden perpetuals
6997 int m, ourPerpetual = 1, hisPerpetual = 1;
6998 for(m=forwardMostMove; m>k; m-=2) {
6999 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7000 ourPerpetual = 0; // the current mover did not always check
7001 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7002 hisPerpetual = 0; // the opponent did not always check
7004 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7005 ourPerpetual, hisPerpetual);
7006 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7007 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7008 details = "Xboard adjudication: perpetual checking";
7010 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7011 break; // (or we would have caught him before). Abort repetition-checking loop.
7013 // Now check for perpetual chases
7014 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7015 hisPerpetual = PerpetualChase(k, forwardMostMove);
7016 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7017 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7018 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7019 details = "Xboard adjudication: perpetual chasing";
7021 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7022 break; // Abort repetition-checking loop.
7024 // if neither of us is checking or chasing all the time, or both are, it is draw
7026 if(engineOpponent) {
7027 SendToProgram("force\n", engineOpponent); // suppress reply
7028 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7030 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7031 GameEnds( result, details, GE_XBOARD );
7034 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7035 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7039 /* Now we test for 50-move draws. Determine ply count */
7040 count = forwardMostMove;
7041 /* look for last irreversble move */
7042 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7044 /* if we hit starting position, add initial plies */
7045 if( count == backwardMostMove )
7046 count -= initialRulePlies;
7047 count = forwardMostMove - count;
7048 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7049 // adjust reversible move counter for checks in Xiangqi
7050 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7051 if(i < backwardMostMove) i = backwardMostMove;
7052 while(i <= forwardMostMove) {
7053 lastCheck = inCheck; // check evasion does not count
7054 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7055 if(inCheck || lastCheck) count--; // check does not count
7060 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7061 /* this is used to judge if draw claims are legal */
7062 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7063 if(engineOpponent) {
7064 SendToProgram("force\n", engineOpponent); // suppress reply
7065 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7067 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7068 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7072 /* if draw offer is pending, treat it as a draw claim
7073 * when draw condition present, to allow engines a way to
7074 * claim draws before making their move to avoid a race
7075 * condition occurring after their move
7077 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7079 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7080 p = "Draw claim: 50-move rule";
7081 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7082 p = "Draw claim: 3-fold repetition";
7083 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7084 p = "Draw claim: insufficient mating material";
7085 if( p != NULL && canAdjudicate) {
7086 if(engineOpponent) {
7087 SendToProgram("force\n", engineOpponent); // suppress reply
7088 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7090 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7091 GameEnds( GameIsDrawn, p, GE_XBOARD );
7096 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7097 if(engineOpponent) {
7098 SendToProgram("force\n", engineOpponent); // suppress reply
7099 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7101 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7102 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7108 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7109 { // [HGM] book: this routine intercepts moves to simulate book replies
7110 char *bookHit = NULL;
7112 //first determine if the incoming move brings opponent into his book
7113 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7114 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7115 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7116 if(bookHit != NULL && !cps->bookSuspend) {
7117 // make sure opponent is not going to reply after receiving move to book position
7118 SendToProgram("force\n", cps);
7119 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7121 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7122 // now arrange restart after book miss
7124 // after a book hit we never send 'go', and the code after the call to this routine
7125 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7127 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
7128 SendToProgram(buf, cps);
7129 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7130 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7131 SendToProgram("go\n", cps);
7132 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7133 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7134 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7135 SendToProgram("go\n", cps);
7136 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7138 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7142 ChessProgramState *savedState;
7143 void DeferredBookMove(void)
7145 if(savedState->lastPing != savedState->lastPong)
7146 ScheduleDelayedEvent(DeferredBookMove, 10);
7148 HandleMachineMove(savedMessage, savedState);
7152 HandleMachineMove(message, cps)
7154 ChessProgramState *cps;
7156 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7157 char realname[MSG_SIZ];
7158 int fromX, fromY, toX, toY;
7167 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7169 * Kludge to ignore BEL characters
7171 while (*message == '\007') message++;
7174 * [HGM] engine debug message: ignore lines starting with '#' character
7176 if(cps->debug && *message == '#') return;
7179 * Look for book output
7181 if (cps == &first && bookRequested) {
7182 if (message[0] == '\t' || message[0] == ' ') {
7183 /* Part of the book output is here; append it */
7184 strcat(bookOutput, message);
7185 strcat(bookOutput, " \n");
7187 } else if (bookOutput[0] != NULLCHAR) {
7188 /* All of book output has arrived; display it */
7189 char *p = bookOutput;
7190 while (*p != NULLCHAR) {
7191 if (*p == '\t') *p = ' ';
7194 DisplayInformation(bookOutput);
7195 bookRequested = FALSE;
7196 /* Fall through to parse the current output */
7201 * Look for machine move.
7203 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7204 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7206 /* This method is only useful on engines that support ping */
7207 if (cps->lastPing != cps->lastPong) {
7208 if (gameMode == BeginningOfGame) {
7209 /* Extra move from before last new; ignore */
7210 if (appData.debugMode) {
7211 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7214 if (appData.debugMode) {
7215 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7216 cps->which, gameMode);
7219 SendToProgram("undo\n", cps);
7225 case BeginningOfGame:
7226 /* Extra move from before last reset; ignore */
7227 if (appData.debugMode) {
7228 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7235 /* Extra move after we tried to stop. The mode test is
7236 not a reliable way of detecting this problem, but it's
7237 the best we can do on engines that don't support ping.
7239 if (appData.debugMode) {
7240 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7241 cps->which, gameMode);
7243 SendToProgram("undo\n", cps);
7246 case MachinePlaysWhite:
7247 case IcsPlayingWhite:
7248 machineWhite = TRUE;
7251 case MachinePlaysBlack:
7252 case IcsPlayingBlack:
7253 machineWhite = FALSE;
7256 case TwoMachinesPlay:
7257 machineWhite = (cps->twoMachinesColor[0] == 'w');
7260 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7261 if (appData.debugMode) {
7263 "Ignoring move out of turn by %s, gameMode %d"
7264 ", forwardMost %d\n",
7265 cps->which, gameMode, forwardMostMove);
7270 if (appData.debugMode) { int f = forwardMostMove;
7271 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7272 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7273 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7275 if(cps->alphaRank) AlphaRank(machineMove, 4);
7276 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7277 &fromX, &fromY, &toX, &toY, &promoChar)) {
7278 /* Machine move could not be parsed; ignore it. */
7279 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7280 machineMove, cps->which);
7281 DisplayError(buf1, 0);
7282 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7283 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7284 if (gameMode == TwoMachinesPlay) {
7285 GameEnds(machineWhite ? BlackWins : WhiteWins,
7291 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7292 /* So we have to redo legality test with true e.p. status here, */
7293 /* to make sure an illegal e.p. capture does not slip through, */
7294 /* to cause a forfeit on a justified illegal-move complaint */
7295 /* of the opponent. */
7296 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7298 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7299 fromY, fromX, toY, toX, promoChar);
7300 if (appData.debugMode) {
7302 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7303 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7304 fprintf(debugFP, "castling rights\n");
7306 if(moveType == IllegalMove) {
7307 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7308 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7309 GameEnds(machineWhite ? BlackWins : WhiteWins,
7312 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7313 /* [HGM] Kludge to handle engines that send FRC-style castling
7314 when they shouldn't (like TSCP-Gothic) */
7316 case WhiteASideCastleFR:
7317 case BlackASideCastleFR:
7319 currentMoveString[2]++;
7321 case WhiteHSideCastleFR:
7322 case BlackHSideCastleFR:
7324 currentMoveString[2]--;
7326 default: ; // nothing to do, but suppresses warning of pedantic compilers
7329 hintRequested = FALSE;
7330 lastHint[0] = NULLCHAR;
7331 bookRequested = FALSE;
7332 /* Program may be pondering now */
7333 cps->maybeThinking = TRUE;
7334 if (cps->sendTime == 2) cps->sendTime = 1;
7335 if (cps->offeredDraw) cps->offeredDraw--;
7337 /* currentMoveString is set as a side-effect of ParseOneMove */
7338 safeStrCpy(machineMove, currentMoveString, sizeof(machineMove)/sizeof(machineMove[0]));
7339 strcat(machineMove, "\n");
7340 safeStrCpy(moveList[forwardMostMove], machineMove, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
7342 /* [AS] Save move info*/
7343 pvInfoList[ forwardMostMove ].score = programStats.score;
7344 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7345 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7347 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7349 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7350 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7353 while( count < adjudicateLossPlies ) {
7354 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7357 score = -score; /* Flip score for winning side */
7360 if( score > adjudicateLossThreshold ) {
7367 if( count >= adjudicateLossPlies ) {
7368 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7370 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7371 "Xboard adjudication",
7378 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7381 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7383 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7384 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7386 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7388 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7390 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7391 char buf[3*MSG_SIZ];
7393 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7394 programStats.score / 100.,
7396 programStats.time / 100.,
7397 (unsigned int)programStats.nodes,
7398 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7399 programStats.movelist);
7401 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7406 /* [AS] Clear stats for next move */
7407 ClearProgramStats();
7408 thinkOutput[0] = NULLCHAR;
7409 hiddenThinkOutputState = 0;
7412 if (gameMode == TwoMachinesPlay) {
7413 /* [HGM] relaying draw offers moved to after reception of move */
7414 /* and interpreting offer as claim if it brings draw condition */
7415 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7416 SendToProgram("draw\n", cps->other);
7418 if (cps->other->sendTime) {
7419 SendTimeRemaining(cps->other,
7420 cps->other->twoMachinesColor[0] == 'w');
7422 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7423 if (firstMove && !bookHit) {
7425 if (cps->other->useColors) {
7426 SendToProgram(cps->other->twoMachinesColor, cps->other);
7428 SendToProgram("go\n", cps->other);
7430 cps->other->maybeThinking = TRUE;
7433 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7435 if (!pausing && appData.ringBellAfterMoves) {
7440 * Reenable menu items that were disabled while
7441 * machine was thinking
7443 if (gameMode != TwoMachinesPlay)
7444 SetUserThinkingEnables();
7446 // [HGM] book: after book hit opponent has received move and is now in force mode
7447 // force the book reply into it, and then fake that it outputted this move by jumping
7448 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7450 static char bookMove[MSG_SIZ]; // a bit generous?
7452 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7453 strcat(bookMove, bookHit);
7456 programStats.nodes = programStats.depth = programStats.time =
7457 programStats.score = programStats.got_only_move = 0;
7458 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7460 if(cps->lastPing != cps->lastPong) {
7461 savedMessage = message; // args for deferred call
7463 ScheduleDelayedEvent(DeferredBookMove, 10);
7472 /* Set special modes for chess engines. Later something general
7473 * could be added here; for now there is just one kludge feature,
7474 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7475 * when "xboard" is given as an interactive command.
7477 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7478 cps->useSigint = FALSE;
7479 cps->useSigterm = FALSE;
7481 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7482 ParseFeatures(message+8, cps);
7483 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7486 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
7487 int dummy, s=6; char buf[MSG_SIZ];
7488 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
7489 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
7490 ParseFEN(boards[0], &dummy, message+s);
7491 DrawPosition(TRUE, boards[0]);
7492 startedFromSetupPosition = TRUE;
7495 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7496 * want this, I was asked to put it in, and obliged.
7498 if (!strncmp(message, "setboard ", 9)) {
7499 Board initial_position;
7501 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7503 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7504 DisplayError(_("Bad FEN received from engine"), 0);
7508 CopyBoard(boards[0], initial_position);
7509 initialRulePlies = FENrulePlies;
7510 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7511 else gameMode = MachinePlaysBlack;
7512 DrawPosition(FALSE, boards[currentMove]);
7518 * Look for communication commands
7520 if (!strncmp(message, "telluser ", 9)) {
7521 if(message[9] == '\\' && message[10] == '\\')
7522 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
7523 DisplayNote(message + 9);
7526 if (!strncmp(message, "tellusererror ", 14)) {
7528 if(message[14] == '\\' && message[15] == '\\')
7529 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
7530 DisplayError(message + 14, 0);
7533 if (!strncmp(message, "tellopponent ", 13)) {
7534 if (appData.icsActive) {
7536 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7540 DisplayNote(message + 13);
7544 if (!strncmp(message, "tellothers ", 11)) {
7545 if (appData.icsActive) {
7547 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7553 if (!strncmp(message, "tellall ", 8)) {
7554 if (appData.icsActive) {
7556 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7560 DisplayNote(message + 8);
7564 if (strncmp(message, "warning", 7) == 0) {
7565 /* Undocumented feature, use tellusererror in new code */
7566 DisplayError(message, 0);
7569 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7570 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
7571 strcat(realname, " query");
7572 AskQuestion(realname, buf2, buf1, cps->pr);
7575 /* Commands from the engine directly to ICS. We don't allow these to be
7576 * sent until we are logged on. Crafty kibitzes have been known to
7577 * interfere with the login process.
7580 if (!strncmp(message, "tellics ", 8)) {
7581 SendToICS(message + 8);
7585 if (!strncmp(message, "tellicsnoalias ", 15)) {
7586 SendToICS(ics_prefix);
7587 SendToICS(message + 15);
7591 /* The following are for backward compatibility only */
7592 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7593 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7594 SendToICS(ics_prefix);
7600 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7604 * If the move is illegal, cancel it and redraw the board.
7605 * Also deal with other error cases. Matching is rather loose
7606 * here to accommodate engines written before the spec.
7608 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7609 strncmp(message, "Error", 5) == 0) {
7610 if (StrStr(message, "name") ||
7611 StrStr(message, "rating") || StrStr(message, "?") ||
7612 StrStr(message, "result") || StrStr(message, "board") ||
7613 StrStr(message, "bk") || StrStr(message, "computer") ||
7614 StrStr(message, "variant") || StrStr(message, "hint") ||
7615 StrStr(message, "random") || StrStr(message, "depth") ||
7616 StrStr(message, "accepted")) {
7619 if (StrStr(message, "protover")) {
7620 /* Program is responding to input, so it's apparently done
7621 initializing, and this error message indicates it is
7622 protocol version 1. So we don't need to wait any longer
7623 for it to initialize and send feature commands. */
7624 FeatureDone(cps, 1);
7625 cps->protocolVersion = 1;
7628 cps->maybeThinking = FALSE;
7630 if (StrStr(message, "draw")) {
7631 /* Program doesn't have "draw" command */
7632 cps->sendDrawOffers = 0;
7635 if (cps->sendTime != 1 &&
7636 (StrStr(message, "time") || StrStr(message, "otim"))) {
7637 /* Program apparently doesn't have "time" or "otim" command */
7641 if (StrStr(message, "analyze")) {
7642 cps->analysisSupport = FALSE;
7643 cps->analyzing = FALSE;
7645 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
7646 DisplayError(buf2, 0);
7649 if (StrStr(message, "(no matching move)st")) {
7650 /* Special kludge for GNU Chess 4 only */
7651 cps->stKludge = TRUE;
7652 SendTimeControl(cps, movesPerSession, timeControl,
7653 timeIncrement, appData.searchDepth,
7657 if (StrStr(message, "(no matching move)sd")) {
7658 /* Special kludge for GNU Chess 4 only */
7659 cps->sdKludge = TRUE;
7660 SendTimeControl(cps, movesPerSession, timeControl,
7661 timeIncrement, appData.searchDepth,
7665 if (!StrStr(message, "llegal")) {
7668 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7669 gameMode == IcsIdle) return;
7670 if (forwardMostMove <= backwardMostMove) return;
7671 if (pausing) PauseEvent();
7672 if(appData.forceIllegal) {
7673 // [HGM] illegal: machine refused move; force position after move into it
7674 SendToProgram("force\n", cps);
7675 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7676 // we have a real problem now, as SendBoard will use the a2a3 kludge
7677 // when black is to move, while there might be nothing on a2 or black
7678 // might already have the move. So send the board as if white has the move.
7679 // But first we must change the stm of the engine, as it refused the last move
7680 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7681 if(WhiteOnMove(forwardMostMove)) {
7682 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7683 SendBoard(cps, forwardMostMove); // kludgeless board
7685 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7686 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7687 SendBoard(cps, forwardMostMove+1); // kludgeless board
7689 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7690 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7691 gameMode == TwoMachinesPlay)
7692 SendToProgram("go\n", cps);
7695 if (gameMode == PlayFromGameFile) {
7696 /* Stop reading this game file */
7697 gameMode = EditGame;
7700 currentMove = forwardMostMove-1;
7701 DisplayMove(currentMove-1); /* before DisplayMoveError */
7702 SwitchClocks(forwardMostMove-1); // [HGM] race
7703 DisplayBothClocks();
7704 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
7705 parseList[currentMove], cps->which);
7706 DisplayMoveError(buf1);
7707 DrawPosition(FALSE, boards[currentMove]);
7709 /* [HGM] illegal-move claim should forfeit game when Xboard */
7710 /* only passes fully legal moves */
7711 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7712 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7713 "False illegal-move claim", GE_XBOARD );
7717 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7718 /* Program has a broken "time" command that
7719 outputs a string not ending in newline.
7725 * If chess program startup fails, exit with an error message.
7726 * Attempts to recover here are futile.
7728 if ((StrStr(message, "unknown host") != NULL)
7729 || (StrStr(message, "No remote directory") != NULL)
7730 || (StrStr(message, "not found") != NULL)
7731 || (StrStr(message, "No such file") != NULL)
7732 || (StrStr(message, "can't alloc") != NULL)
7733 || (StrStr(message, "Permission denied") != NULL)) {
7735 cps->maybeThinking = FALSE;
7736 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7737 cps->which, cps->program, cps->host, message);
7738 RemoveInputSource(cps->isr);
7739 DisplayFatalError(buf1, 0, 1);
7744 * Look for hint output
7746 if (sscanf(message, "Hint: %s", buf1) == 1) {
7747 if (cps == &first && hintRequested) {
7748 hintRequested = FALSE;
7749 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7750 &fromX, &fromY, &toX, &toY, &promoChar)) {
7751 (void) CoordsToAlgebraic(boards[forwardMostMove],
7752 PosFlags(forwardMostMove),
7753 fromY, fromX, toY, toX, promoChar, buf1);
7754 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7755 DisplayInformation(buf2);
7757 /* Hint move could not be parsed!? */
7758 snprintf(buf2, sizeof(buf2),
7759 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7761 DisplayError(buf2, 0);
7764 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
7770 * Ignore other messages if game is not in progress
7772 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7773 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7776 * look for win, lose, draw, or draw offer
7778 if (strncmp(message, "1-0", 3) == 0) {
7779 char *p, *q, *r = "";
7780 p = strchr(message, '{');
7788 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7790 } else if (strncmp(message, "0-1", 3) == 0) {
7791 char *p, *q, *r = "";
7792 p = strchr(message, '{');
7800 /* Kludge for Arasan 4.1 bug */
7801 if (strcmp(r, "Black resigns") == 0) {
7802 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7805 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7807 } else if (strncmp(message, "1/2", 3) == 0) {
7808 char *p, *q, *r = "";
7809 p = strchr(message, '{');
7818 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7821 } else if (strncmp(message, "White resign", 12) == 0) {
7822 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7824 } else if (strncmp(message, "Black resign", 12) == 0) {
7825 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7827 } else if (strncmp(message, "White matches", 13) == 0 ||
7828 strncmp(message, "Black matches", 13) == 0 ) {
7829 /* [HGM] ignore GNUShogi noises */
7831 } else if (strncmp(message, "White", 5) == 0 &&
7832 message[5] != '(' &&
7833 StrStr(message, "Black") == NULL) {
7834 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7836 } else if (strncmp(message, "Black", 5) == 0 &&
7837 message[5] != '(') {
7838 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7840 } else if (strcmp(message, "resign") == 0 ||
7841 strcmp(message, "computer resigns") == 0) {
7843 case MachinePlaysBlack:
7844 case IcsPlayingBlack:
7845 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7847 case MachinePlaysWhite:
7848 case IcsPlayingWhite:
7849 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7851 case TwoMachinesPlay:
7852 if (cps->twoMachinesColor[0] == 'w')
7853 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7855 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7862 } else if (strncmp(message, "opponent mates", 14) == 0) {
7864 case MachinePlaysBlack:
7865 case IcsPlayingBlack:
7866 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7868 case MachinePlaysWhite:
7869 case IcsPlayingWhite:
7870 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7872 case TwoMachinesPlay:
7873 if (cps->twoMachinesColor[0] == 'w')
7874 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7876 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7883 } else if (strncmp(message, "computer mates", 14) == 0) {
7885 case MachinePlaysBlack:
7886 case IcsPlayingBlack:
7887 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7889 case MachinePlaysWhite:
7890 case IcsPlayingWhite:
7891 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7893 case TwoMachinesPlay:
7894 if (cps->twoMachinesColor[0] == 'w')
7895 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7897 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7904 } else if (strncmp(message, "checkmate", 9) == 0) {
7905 if (WhiteOnMove(forwardMostMove)) {
7906 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7908 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7911 } else if (strstr(message, "Draw") != NULL ||
7912 strstr(message, "game is a draw") != NULL) {
7913 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7915 } else if (strstr(message, "offer") != NULL &&
7916 strstr(message, "draw") != NULL) {
7918 if (appData.zippyPlay && first.initDone) {
7919 /* Relay offer to ICS */
7920 SendToICS(ics_prefix);
7921 SendToICS("draw\n");
7924 cps->offeredDraw = 2; /* valid until this engine moves twice */
7925 if (gameMode == TwoMachinesPlay) {
7926 if (cps->other->offeredDraw) {
7927 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7928 /* [HGM] in two-machine mode we delay relaying draw offer */
7929 /* until after we also have move, to see if it is really claim */
7931 } else if (gameMode == MachinePlaysWhite ||
7932 gameMode == MachinePlaysBlack) {
7933 if (userOfferedDraw) {
7934 DisplayInformation(_("Machine accepts your draw offer"));
7935 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7937 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7944 * Look for thinking output
7946 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7947 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7949 int plylev, mvleft, mvtot, curscore, time;
7950 char mvname[MOVE_LEN];
7954 int prefixHint = FALSE;
7955 mvname[0] = NULLCHAR;
7958 case MachinePlaysBlack:
7959 case IcsPlayingBlack:
7960 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7962 case MachinePlaysWhite:
7963 case IcsPlayingWhite:
7964 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7969 case IcsObserving: /* [DM] icsEngineAnalyze */
7970 if (!appData.icsEngineAnalyze) ignore = TRUE;
7972 case TwoMachinesPlay:
7973 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7983 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7985 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7986 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7988 if (plyext != ' ' && plyext != '\t') {
7992 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7993 if( cps->scoreIsAbsolute &&
7994 ( gameMode == MachinePlaysBlack ||
7995 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7996 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7997 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7998 !WhiteOnMove(currentMove)
8001 curscore = -curscore;
8005 tempStats.depth = plylev;
8006 tempStats.nodes = nodes;
8007 tempStats.time = time;
8008 tempStats.score = curscore;
8009 tempStats.got_only_move = 0;
8011 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8014 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8015 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8016 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8017 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8018 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8019 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8020 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8021 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8024 /* Buffer overflow protection */
8025 if (buf1[0] != NULLCHAR) {
8026 if (strlen(buf1) >= sizeof(tempStats.movelist)
8027 && appData.debugMode) {
8029 "PV is too long; using the first %u bytes.\n",
8030 (unsigned) sizeof(tempStats.movelist) - 1);
8033 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8035 sprintf(tempStats.movelist, " no PV\n");
8038 if (tempStats.seen_stat) {
8039 tempStats.ok_to_send = 1;
8042 if (strchr(tempStats.movelist, '(') != NULL) {
8043 tempStats.line_is_book = 1;
8044 tempStats.nr_moves = 0;
8045 tempStats.moves_left = 0;
8047 tempStats.line_is_book = 0;
8050 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8051 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8053 SendProgramStatsToFrontend( cps, &tempStats );
8056 [AS] Protect the thinkOutput buffer from overflow... this
8057 is only useful if buf1 hasn't overflowed first!
8059 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8061 (gameMode == TwoMachinesPlay ?
8062 ToUpper(cps->twoMachinesColor[0]) : ' '),
8063 ((double) curscore) / 100.0,
8064 prefixHint ? lastHint : "",
8065 prefixHint ? " " : "" );
8067 if( buf1[0] != NULLCHAR ) {
8068 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8070 if( strlen(buf1) > max_len ) {
8071 if( appData.debugMode) {
8072 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8074 buf1[max_len+1] = '\0';
8077 strcat( thinkOutput, buf1 );
8080 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8081 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8082 DisplayMove(currentMove - 1);
8086 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8087 /* crafty (9.25+) says "(only move) <move>"
8088 * if there is only 1 legal move
8090 sscanf(p, "(only move) %s", buf1);
8091 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8092 sprintf(programStats.movelist, "%s (only move)", buf1);
8093 programStats.depth = 1;
8094 programStats.nr_moves = 1;
8095 programStats.moves_left = 1;
8096 programStats.nodes = 1;
8097 programStats.time = 1;
8098 programStats.got_only_move = 1;
8100 /* Not really, but we also use this member to
8101 mean "line isn't going to change" (Crafty
8102 isn't searching, so stats won't change) */
8103 programStats.line_is_book = 1;
8105 SendProgramStatsToFrontend( cps, &programStats );
8107 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8108 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8109 DisplayMove(currentMove - 1);
8112 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8113 &time, &nodes, &plylev, &mvleft,
8114 &mvtot, mvname) >= 5) {
8115 /* The stat01: line is from Crafty (9.29+) in response
8116 to the "." command */
8117 programStats.seen_stat = 1;
8118 cps->maybeThinking = TRUE;
8120 if (programStats.got_only_move || !appData.periodicUpdates)
8123 programStats.depth = plylev;
8124 programStats.time = time;
8125 programStats.nodes = nodes;
8126 programStats.moves_left = mvleft;
8127 programStats.nr_moves = mvtot;
8128 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8129 programStats.ok_to_send = 1;
8130 programStats.movelist[0] = '\0';
8132 SendProgramStatsToFrontend( cps, &programStats );
8136 } else if (strncmp(message,"++",2) == 0) {
8137 /* Crafty 9.29+ outputs this */
8138 programStats.got_fail = 2;
8141 } else if (strncmp(message,"--",2) == 0) {
8142 /* Crafty 9.29+ outputs this */
8143 programStats.got_fail = 1;
8146 } else if (thinkOutput[0] != NULLCHAR &&
8147 strncmp(message, " ", 4) == 0) {
8148 unsigned message_len;
8151 while (*p && *p == ' ') p++;
8153 message_len = strlen( p );
8155 /* [AS] Avoid buffer overflow */
8156 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8157 strcat(thinkOutput, " ");
8158 strcat(thinkOutput, p);
8161 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8162 strcat(programStats.movelist, " ");
8163 strcat(programStats.movelist, p);
8166 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8167 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8168 DisplayMove(currentMove - 1);
8176 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8177 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8179 ChessProgramStats cpstats;
8181 if (plyext != ' ' && plyext != '\t') {
8185 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8186 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8187 curscore = -curscore;
8190 cpstats.depth = plylev;
8191 cpstats.nodes = nodes;
8192 cpstats.time = time;
8193 cpstats.score = curscore;
8194 cpstats.got_only_move = 0;
8195 cpstats.movelist[0] = '\0';
8197 if (buf1[0] != NULLCHAR) {
8198 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8201 cpstats.ok_to_send = 0;
8202 cpstats.line_is_book = 0;
8203 cpstats.nr_moves = 0;
8204 cpstats.moves_left = 0;
8206 SendProgramStatsToFrontend( cps, &cpstats );
8213 /* Parse a game score from the character string "game", and
8214 record it as the history of the current game. The game
8215 score is NOT assumed to start from the standard position.
8216 The display is not updated in any way.
8219 ParseGameHistory(game)
8223 int fromX, fromY, toX, toY, boardIndex;
8228 if (appData.debugMode)
8229 fprintf(debugFP, "Parsing game history: %s\n", game);
8231 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8232 gameInfo.site = StrSave(appData.icsHost);
8233 gameInfo.date = PGNDate();
8234 gameInfo.round = StrSave("-");
8236 /* Parse out names of players */
8237 while (*game == ' ') game++;
8239 while (*game != ' ') *p++ = *game++;
8241 gameInfo.white = StrSave(buf);
8242 while (*game == ' ') game++;
8244 while (*game != ' ' && *game != '\n') *p++ = *game++;
8246 gameInfo.black = StrSave(buf);
8249 boardIndex = blackPlaysFirst ? 1 : 0;
8252 yyboardindex = boardIndex;
8253 moveType = (ChessMove) Myylex();
8255 case IllegalMove: /* maybe suicide chess, etc. */
8256 if (appData.debugMode) {
8257 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8258 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8259 setbuf(debugFP, NULL);
8261 case WhitePromotion:
8262 case BlackPromotion:
8263 case WhiteNonPromotion:
8264 case BlackNonPromotion:
8266 case WhiteCapturesEnPassant:
8267 case BlackCapturesEnPassant:
8268 case WhiteKingSideCastle:
8269 case WhiteQueenSideCastle:
8270 case BlackKingSideCastle:
8271 case BlackQueenSideCastle:
8272 case WhiteKingSideCastleWild:
8273 case WhiteQueenSideCastleWild:
8274 case BlackKingSideCastleWild:
8275 case BlackQueenSideCastleWild:
8277 case WhiteHSideCastleFR:
8278 case WhiteASideCastleFR:
8279 case BlackHSideCastleFR:
8280 case BlackASideCastleFR:
8282 fromX = currentMoveString[0] - AAA;
8283 fromY = currentMoveString[1] - ONE;
8284 toX = currentMoveString[2] - AAA;
8285 toY = currentMoveString[3] - ONE;
8286 promoChar = currentMoveString[4];
8290 fromX = moveType == WhiteDrop ?
8291 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8292 (int) CharToPiece(ToLower(currentMoveString[0]));
8294 toX = currentMoveString[2] - AAA;
8295 toY = currentMoveString[3] - ONE;
8296 promoChar = NULLCHAR;
8300 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8301 if (appData.debugMode) {
8302 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8303 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8304 setbuf(debugFP, NULL);
8306 DisplayError(buf, 0);
8308 case ImpossibleMove:
8310 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8311 if (appData.debugMode) {
8312 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8313 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8314 setbuf(debugFP, NULL);
8316 DisplayError(buf, 0);
8319 if (boardIndex < backwardMostMove) {
8320 /* Oops, gap. How did that happen? */
8321 DisplayError(_("Gap in move list"), 0);
8324 backwardMostMove = blackPlaysFirst ? 1 : 0;
8325 if (boardIndex > forwardMostMove) {
8326 forwardMostMove = boardIndex;
8330 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8331 strcat(parseList[boardIndex-1], " ");
8332 strcat(parseList[boardIndex-1], yy_text);
8344 case GameUnfinished:
8345 if (gameMode == IcsExamining) {
8346 if (boardIndex < backwardMostMove) {
8347 /* Oops, gap. How did that happen? */
8350 backwardMostMove = blackPlaysFirst ? 1 : 0;
8353 gameInfo.result = moveType;
8354 p = strchr(yy_text, '{');
8355 if (p == NULL) p = strchr(yy_text, '(');
8358 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8360 q = strchr(p, *p == '{' ? '}' : ')');
8361 if (q != NULL) *q = NULLCHAR;
8364 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
8365 gameInfo.resultDetails = StrSave(p);
8368 if (boardIndex >= forwardMostMove &&
8369 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8370 backwardMostMove = blackPlaysFirst ? 1 : 0;
8373 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8374 fromY, fromX, toY, toX, promoChar,
8375 parseList[boardIndex]);
8376 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8377 /* currentMoveString is set as a side-effect of yylex */
8378 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8379 strcat(moveList[boardIndex], "\n");
8381 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8382 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8388 if(gameInfo.variant != VariantShogi)
8389 strcat(parseList[boardIndex - 1], "+");
8393 strcat(parseList[boardIndex - 1], "#");
8400 /* Apply a move to the given board */
8402 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8403 int fromX, fromY, toX, toY;
8407 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8408 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8410 /* [HGM] compute & store e.p. status and castling rights for new position */
8411 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8413 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8414 oldEP = (signed char)board[EP_STATUS];
8415 board[EP_STATUS] = EP_NONE;
8417 if( board[toY][toX] != EmptySquare )
8418 board[EP_STATUS] = EP_CAPTURE;
8420 if (fromY == DROP_RANK) {
8422 piece = board[toY][toX] = (ChessSquare) fromX;
8426 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
8427 if( gameInfo.variant == VariantFairy ) board[EP_STATUS] = EP_PAWN_MOVE; // Lance in fairy is Pawn-like
8429 if( board[fromY][fromX] == WhitePawn ) {
8430 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8431 board[EP_STATUS] = EP_PAWN_MOVE;
8433 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8434 gameInfo.variant != VariantBerolina || toX < fromX)
8435 board[EP_STATUS] = toX | berolina;
8436 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8437 gameInfo.variant != VariantBerolina || toX > fromX)
8438 board[EP_STATUS] = toX;
8441 if( board[fromY][fromX] == BlackPawn ) {
8442 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8443 board[EP_STATUS] = EP_PAWN_MOVE;
8444 if( toY-fromY== -2) {
8445 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8446 gameInfo.variant != VariantBerolina || toX < fromX)
8447 board[EP_STATUS] = toX | berolina;
8448 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8449 gameInfo.variant != VariantBerolina || toX > fromX)
8450 board[EP_STATUS] = toX;
8454 for(i=0; i<nrCastlingRights; i++) {
8455 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8456 board[CASTLING][i] == toX && castlingRank[i] == toY
8457 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8460 if (fromX == toX && fromY == toY) return;
8462 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8463 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8464 if(gameInfo.variant == VariantKnightmate)
8465 king += (int) WhiteUnicorn - (int) WhiteKing;
8467 /* Code added by Tord: */
8468 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
8469 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
8470 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
8471 board[fromY][fromX] = EmptySquare;
8472 board[toY][toX] = EmptySquare;
8473 if((toX > fromX) != (piece == WhiteRook)) {
8474 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8476 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8478 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
8479 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
8480 board[fromY][fromX] = EmptySquare;
8481 board[toY][toX] = EmptySquare;
8482 if((toX > fromX) != (piece == BlackRook)) {
8483 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8485 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8487 /* End of code added by Tord */
8489 } else if (board[fromY][fromX] == king
8490 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8491 && toY == fromY && toX > fromX+1) {
8492 board[fromY][fromX] = EmptySquare;
8493 board[toY][toX] = king;
8494 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8495 board[fromY][BOARD_RGHT-1] = EmptySquare;
8496 } else if (board[fromY][fromX] == king
8497 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8498 && toY == fromY && toX < fromX-1) {
8499 board[fromY][fromX] = EmptySquare;
8500 board[toY][toX] = king;
8501 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8502 board[fromY][BOARD_LEFT] = EmptySquare;
8503 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
8504 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
8505 && toY >= BOARD_HEIGHT-promoRank
8507 /* white pawn promotion */
8508 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8509 if (board[toY][toX] == EmptySquare) {
8510 board[toY][toX] = WhiteQueen;
8512 if(gameInfo.variant==VariantBughouse ||
8513 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8514 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8515 board[fromY][fromX] = EmptySquare;
8516 } else if ((fromY == BOARD_HEIGHT-4)
8518 && gameInfo.variant != VariantXiangqi
8519 && gameInfo.variant != VariantBerolina
8520 && (board[fromY][fromX] == WhitePawn)
8521 && (board[toY][toX] == EmptySquare)) {
8522 board[fromY][fromX] = EmptySquare;
8523 board[toY][toX] = WhitePawn;
8524 captured = board[toY - 1][toX];
8525 board[toY - 1][toX] = EmptySquare;
8526 } else if ((fromY == BOARD_HEIGHT-4)
8528 && gameInfo.variant == VariantBerolina
8529 && (board[fromY][fromX] == WhitePawn)
8530 && (board[toY][toX] == EmptySquare)) {
8531 board[fromY][fromX] = EmptySquare;
8532 board[toY][toX] = WhitePawn;
8533 if(oldEP & EP_BEROLIN_A) {
8534 captured = board[fromY][fromX-1];
8535 board[fromY][fromX-1] = EmptySquare;
8536 }else{ captured = board[fromY][fromX+1];
8537 board[fromY][fromX+1] = EmptySquare;
8539 } else if (board[fromY][fromX] == king
8540 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8541 && toY == fromY && toX > fromX+1) {
8542 board[fromY][fromX] = EmptySquare;
8543 board[toY][toX] = king;
8544 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8545 board[fromY][BOARD_RGHT-1] = EmptySquare;
8546 } else if (board[fromY][fromX] == king
8547 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8548 && toY == fromY && toX < fromX-1) {
8549 board[fromY][fromX] = EmptySquare;
8550 board[toY][toX] = king;
8551 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8552 board[fromY][BOARD_LEFT] = EmptySquare;
8553 } else if (fromY == 7 && fromX == 3
8554 && board[fromY][fromX] == BlackKing
8555 && toY == 7 && toX == 5) {
8556 board[fromY][fromX] = EmptySquare;
8557 board[toY][toX] = BlackKing;
8558 board[fromY][7] = EmptySquare;
8559 board[toY][4] = BlackRook;
8560 } else if (fromY == 7 && fromX == 3
8561 && board[fromY][fromX] == BlackKing
8562 && toY == 7 && toX == 1) {
8563 board[fromY][fromX] = EmptySquare;
8564 board[toY][toX] = BlackKing;
8565 board[fromY][0] = EmptySquare;
8566 board[toY][2] = BlackRook;
8567 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
8568 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
8571 /* black pawn promotion */
8572 board[toY][toX] = CharToPiece(ToLower(promoChar));
8573 if (board[toY][toX] == EmptySquare) {
8574 board[toY][toX] = BlackQueen;
8576 if(gameInfo.variant==VariantBughouse ||
8577 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8578 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8579 board[fromY][fromX] = EmptySquare;
8580 } else if ((fromY == 3)
8582 && gameInfo.variant != VariantXiangqi
8583 && gameInfo.variant != VariantBerolina
8584 && (board[fromY][fromX] == BlackPawn)
8585 && (board[toY][toX] == EmptySquare)) {
8586 board[fromY][fromX] = EmptySquare;
8587 board[toY][toX] = BlackPawn;
8588 captured = board[toY + 1][toX];
8589 board[toY + 1][toX] = EmptySquare;
8590 } else if ((fromY == 3)
8592 && gameInfo.variant == VariantBerolina
8593 && (board[fromY][fromX] == BlackPawn)
8594 && (board[toY][toX] == EmptySquare)) {
8595 board[fromY][fromX] = EmptySquare;
8596 board[toY][toX] = BlackPawn;
8597 if(oldEP & EP_BEROLIN_A) {
8598 captured = board[fromY][fromX-1];
8599 board[fromY][fromX-1] = EmptySquare;
8600 }else{ captured = board[fromY][fromX+1];
8601 board[fromY][fromX+1] = EmptySquare;
8604 board[toY][toX] = board[fromY][fromX];
8605 board[fromY][fromX] = EmptySquare;
8609 if (gameInfo.holdingsWidth != 0) {
8611 /* !!A lot more code needs to be written to support holdings */
8612 /* [HGM] OK, so I have written it. Holdings are stored in the */
8613 /* penultimate board files, so they are automaticlly stored */
8614 /* in the game history. */
8615 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
8616 && promoChar && piece != WhitePawn && piece != BlackPawn) {
8617 /* Delete from holdings, by decreasing count */
8618 /* and erasing image if necessary */
8619 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
8620 if(p < (int) BlackPawn) { /* white drop */
8621 p -= (int)WhitePawn;
8622 p = PieceToNumber((ChessSquare)p);
8623 if(p >= gameInfo.holdingsSize) p = 0;
8624 if(--board[p][BOARD_WIDTH-2] <= 0)
8625 board[p][BOARD_WIDTH-1] = EmptySquare;
8626 if((int)board[p][BOARD_WIDTH-2] < 0)
8627 board[p][BOARD_WIDTH-2] = 0;
8628 } else { /* black drop */
8629 p -= (int)BlackPawn;
8630 p = PieceToNumber((ChessSquare)p);
8631 if(p >= gameInfo.holdingsSize) p = 0;
8632 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8633 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8634 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8635 board[BOARD_HEIGHT-1-p][1] = 0;
8638 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8639 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
8640 /* [HGM] holdings: Add to holdings, if holdings exist */
8641 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8642 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8643 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8646 if (p >= (int) BlackPawn) {
8647 p -= (int)BlackPawn;
8648 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8649 /* in Shogi restore piece to its original first */
8650 captured = (ChessSquare) (DEMOTED captured);
8653 p = PieceToNumber((ChessSquare)p);
8654 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8655 board[p][BOARD_WIDTH-2]++;
8656 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8658 p -= (int)WhitePawn;
8659 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8660 captured = (ChessSquare) (DEMOTED captured);
8663 p = PieceToNumber((ChessSquare)p);
8664 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8665 board[BOARD_HEIGHT-1-p][1]++;
8666 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8669 } else if (gameInfo.variant == VariantAtomic) {
8670 if (captured != EmptySquare) {
8672 for (y = toY-1; y <= toY+1; y++) {
8673 for (x = toX-1; x <= toX+1; x++) {
8674 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8675 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8676 board[y][x] = EmptySquare;
8680 board[toY][toX] = EmptySquare;
8683 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
8684 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
8686 if(promoChar == '+') {
8687 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
8688 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8689 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
8690 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
8692 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8693 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8694 // [HGM] superchess: take promotion piece out of holdings
8695 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8696 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8697 if(!--board[k][BOARD_WIDTH-2])
8698 board[k][BOARD_WIDTH-1] = EmptySquare;
8700 if(!--board[BOARD_HEIGHT-1-k][1])
8701 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8707 /* Updates forwardMostMove */
8709 MakeMove(fromX, fromY, toX, toY, promoChar)
8710 int fromX, fromY, toX, toY;
8713 // forwardMostMove++; // [HGM] bare: moved downstream
8715 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8716 int timeLeft; static int lastLoadFlag=0; int king, piece;
8717 piece = boards[forwardMostMove][fromY][fromX];
8718 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8719 if(gameInfo.variant == VariantKnightmate)
8720 king += (int) WhiteUnicorn - (int) WhiteKing;
8721 if(forwardMostMove == 0) {
8723 fprintf(serverMoves, "%s;", second.tidy);
8724 fprintf(serverMoves, "%s;", first.tidy);
8725 if(!blackPlaysFirst)
8726 fprintf(serverMoves, "%s;", second.tidy);
8727 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8728 lastLoadFlag = loadFlag;
8730 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8731 // print castling suffix
8732 if( toY == fromY && piece == king ) {
8734 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8736 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8739 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8740 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8741 boards[forwardMostMove][toY][toX] == EmptySquare
8742 && fromX != toX && fromY != toY)
8743 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8745 if(promoChar != NULLCHAR)
8746 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8748 fprintf(serverMoves, "/%d/%d",
8749 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8750 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8751 else timeLeft = blackTimeRemaining/1000;
8752 fprintf(serverMoves, "/%d", timeLeft);
8754 fflush(serverMoves);
8757 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8758 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8762 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8763 if (commentList[forwardMostMove+1] != NULL) {
8764 free(commentList[forwardMostMove+1]);
8765 commentList[forwardMostMove+1] = NULL;
8767 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8768 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8769 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8770 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8771 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8772 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8773 gameInfo.result = GameUnfinished;
8774 if (gameInfo.resultDetails != NULL) {
8775 free(gameInfo.resultDetails);
8776 gameInfo.resultDetails = NULL;
8778 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8779 moveList[forwardMostMove - 1]);
8780 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8781 PosFlags(forwardMostMove - 1),
8782 fromY, fromX, toY, toX, promoChar,
8783 parseList[forwardMostMove - 1]);
8784 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8790 if(gameInfo.variant != VariantShogi)
8791 strcat(parseList[forwardMostMove - 1], "+");
8795 strcat(parseList[forwardMostMove - 1], "#");
8798 if (appData.debugMode) {
8799 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8804 /* Updates currentMove if not pausing */
8806 ShowMove(fromX, fromY, toX, toY)
8808 int instant = (gameMode == PlayFromGameFile) ?
8809 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8810 if(appData.noGUI) return;
8811 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8813 if (forwardMostMove == currentMove + 1) {
8814 AnimateMove(boards[forwardMostMove - 1],
8815 fromX, fromY, toX, toY);
8817 if (appData.highlightLastMove) {
8818 SetHighlights(fromX, fromY, toX, toY);
8821 currentMove = forwardMostMove;
8824 if (instant) return;
8826 DisplayMove(currentMove - 1);
8827 DrawPosition(FALSE, boards[currentMove]);
8828 DisplayBothClocks();
8829 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8832 void SendEgtPath(ChessProgramState *cps)
8833 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8834 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8836 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8839 char c, *q = name+1, *r, *s;
8841 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8842 while(*p && *p != ',') *q++ = *p++;
8844 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8845 strcmp(name, ",nalimov:") == 0 ) {
8846 // take nalimov path from the menu-changeable option first, if it is defined
8847 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8848 SendToProgram(buf,cps); // send egtbpath command for nalimov
8850 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8851 (s = StrStr(appData.egtFormats, name)) != NULL) {
8852 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8853 s = r = StrStr(s, ":") + 1; // beginning of path info
8854 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8855 c = *r; *r = 0; // temporarily null-terminate path info
8856 *--q = 0; // strip of trailig ':' from name
8857 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
8859 SendToProgram(buf,cps); // send egtbpath command for this format
8861 if(*p == ',') p++; // read away comma to position for next format name
8866 InitChessProgram(cps, setup)
8867 ChessProgramState *cps;
8868 int setup; /* [HGM] needed to setup FRC opening position */
8870 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8871 if (appData.noChessProgram) return;
8872 hintRequested = FALSE;
8873 bookRequested = FALSE;
8875 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8876 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8877 if(cps->memSize) { /* [HGM] memory */
8878 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8879 SendToProgram(buf, cps);
8881 SendEgtPath(cps); /* [HGM] EGT */
8882 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8883 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
8884 SendToProgram(buf, cps);
8887 SendToProgram(cps->initString, cps);
8888 if (gameInfo.variant != VariantNormal &&
8889 gameInfo.variant != VariantLoadable
8890 /* [HGM] also send variant if board size non-standard */
8891 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8893 char *v = VariantName(gameInfo.variant);
8894 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8895 /* [HGM] in protocol 1 we have to assume all variants valid */
8896 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
8897 DisplayFatalError(buf, 0, 1);
8901 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8902 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8903 if( gameInfo.variant == VariantXiangqi )
8904 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8905 if( gameInfo.variant == VariantShogi )
8906 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8907 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8908 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8909 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8910 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8911 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8912 if( gameInfo.variant == VariantCourier )
8913 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8914 if( gameInfo.variant == VariantSuper )
8915 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8916 if( gameInfo.variant == VariantGreat )
8917 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8918 if( gameInfo.variant == VariantSChess )
8919 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
8922 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8923 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8924 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8925 if(StrStr(cps->variants, b) == NULL) {
8926 // specific sized variant not known, check if general sizing allowed
8927 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8928 if(StrStr(cps->variants, "boardsize") == NULL) {
8929 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
8930 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8931 DisplayFatalError(buf, 0, 1);
8934 /* [HGM] here we really should compare with the maximum supported board size */
8937 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
8938 snprintf(buf, MSG_SIZ, "variant %s\n", b);
8939 SendToProgram(buf, cps);
8941 currentlyInitializedVariant = gameInfo.variant;
8943 /* [HGM] send opening position in FRC to first engine */
8945 SendToProgram("force\n", cps);
8947 /* engine is now in force mode! Set flag to wake it up after first move. */
8948 setboardSpoiledMachineBlack = 1;
8952 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8953 SendToProgram(buf, cps);
8955 cps->maybeThinking = FALSE;
8956 cps->offeredDraw = 0;
8957 if (!appData.icsActive) {
8958 SendTimeControl(cps, movesPerSession, timeControl,
8959 timeIncrement, appData.searchDepth,
8962 if (appData.showThinking
8963 // [HGM] thinking: four options require thinking output to be sent
8964 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8966 SendToProgram("post\n", cps);
8968 SendToProgram("hard\n", cps);
8969 if (!appData.ponderNextMove) {
8970 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8971 it without being sure what state we are in first. "hard"
8972 is not a toggle, so that one is OK.
8974 SendToProgram("easy\n", cps);
8977 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
8978 SendToProgram(buf, cps);
8980 cps->initDone = TRUE;
8985 StartChessProgram(cps)
8986 ChessProgramState *cps;
8991 if (appData.noChessProgram) return;
8992 cps->initDone = FALSE;
8994 if (strcmp(cps->host, "localhost") == 0) {
8995 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8996 } else if (*appData.remoteShell == NULLCHAR) {
8997 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8999 if (*appData.remoteUser == NULLCHAR) {
9000 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9003 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9004 cps->host, appData.remoteUser, cps->program);
9006 err = StartChildProcess(buf, "", &cps->pr);
9010 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9011 DisplayFatalError(buf, err, 1);
9017 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9018 if (cps->protocolVersion > 1) {
9019 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9020 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9021 cps->comboCnt = 0; // and values of combo boxes
9022 SendToProgram(buf, cps);
9024 SendToProgram("xboard\n", cps);
9030 TwoMachinesEventIfReady P((void))
9032 if (first.lastPing != first.lastPong) {
9033 DisplayMessage("", _("Waiting for first chess program"));
9034 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9037 if (second.lastPing != second.lastPong) {
9038 DisplayMessage("", _("Waiting for second chess program"));
9039 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9047 NextMatchGame P((void))
9049 int index; /* [HGM] autoinc: step load index during match */
9051 if (*appData.loadGameFile != NULLCHAR) {
9052 index = appData.loadGameIndex;
9053 if(index < 0) { // [HGM] autoinc
9054 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9055 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9057 LoadGameFromFile(appData.loadGameFile,
9059 appData.loadGameFile, FALSE);
9060 } else if (*appData.loadPositionFile != NULLCHAR) {
9061 index = appData.loadPositionIndex;
9062 if(index < 0) { // [HGM] autoinc
9063 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9064 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9066 LoadPositionFromFile(appData.loadPositionFile,
9068 appData.loadPositionFile);
9070 TwoMachinesEventIfReady();
9073 void UserAdjudicationEvent( int result )
9075 ChessMove gameResult = GameIsDrawn;
9078 gameResult = WhiteWins;
9080 else if( result < 0 ) {
9081 gameResult = BlackWins;
9084 if( gameMode == TwoMachinesPlay ) {
9085 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9090 // [HGM] save: calculate checksum of game to make games easily identifiable
9091 int StringCheckSum(char *s)
9094 if(s==NULL) return 0;
9095 while(*s) i = i*259 + *s++;
9102 for(i=backwardMostMove; i<forwardMostMove; i++) {
9103 sum += pvInfoList[i].depth;
9104 sum += StringCheckSum(parseList[i]);
9105 sum += StringCheckSum(commentList[i]);
9108 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9109 return sum + StringCheckSum(commentList[i]);
9110 } // end of save patch
9113 GameEnds(result, resultDetails, whosays)
9115 char *resultDetails;
9118 GameMode nextGameMode;
9120 char buf[MSG_SIZ], popupRequested = 0;
9122 if(endingGame) return; /* [HGM] crash: forbid recursion */
9124 if(twoBoards) { // [HGM] dual: switch back to one board
9125 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9126 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9128 if (appData.debugMode) {
9129 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9130 result, resultDetails ? resultDetails : "(null)", whosays);
9133 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9135 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9136 /* If we are playing on ICS, the server decides when the
9137 game is over, but the engine can offer to draw, claim
9141 if (appData.zippyPlay && first.initDone) {
9142 if (result == GameIsDrawn) {
9143 /* In case draw still needs to be claimed */
9144 SendToICS(ics_prefix);
9145 SendToICS("draw\n");
9146 } else if (StrCaseStr(resultDetails, "resign")) {
9147 SendToICS(ics_prefix);
9148 SendToICS("resign\n");
9152 endingGame = 0; /* [HGM] crash */
9156 /* If we're loading the game from a file, stop */
9157 if (whosays == GE_FILE) {
9158 (void) StopLoadGameTimer();
9162 /* Cancel draw offers */
9163 first.offeredDraw = second.offeredDraw = 0;
9165 /* If this is an ICS game, only ICS can really say it's done;
9166 if not, anyone can. */
9167 isIcsGame = (gameMode == IcsPlayingWhite ||
9168 gameMode == IcsPlayingBlack ||
9169 gameMode == IcsObserving ||
9170 gameMode == IcsExamining);
9172 if (!isIcsGame || whosays == GE_ICS) {
9173 /* OK -- not an ICS game, or ICS said it was done */
9175 if (!isIcsGame && !appData.noChessProgram)
9176 SetUserThinkingEnables();
9178 /* [HGM] if a machine claims the game end we verify this claim */
9179 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9180 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9182 ChessMove trueResult = (ChessMove) -1;
9184 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9185 first.twoMachinesColor[0] :
9186 second.twoMachinesColor[0] ;
9188 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9189 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9190 /* [HGM] verify: engine mate claims accepted if they were flagged */
9191 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9193 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9194 /* [HGM] verify: engine mate claims accepted if they were flagged */
9195 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9197 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9198 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9201 // now verify win claims, but not in drop games, as we don't understand those yet
9202 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9203 || gameInfo.variant == VariantGreat) &&
9204 (result == WhiteWins && claimer == 'w' ||
9205 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9206 if (appData.debugMode) {
9207 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9208 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9210 if(result != trueResult) {
9211 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
9212 result = claimer == 'w' ? BlackWins : WhiteWins;
9213 resultDetails = buf;
9216 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9217 && (forwardMostMove <= backwardMostMove ||
9218 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9219 (claimer=='b')==(forwardMostMove&1))
9221 /* [HGM] verify: draws that were not flagged are false claims */
9222 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
9223 result = claimer == 'w' ? BlackWins : WhiteWins;
9224 resultDetails = buf;
9226 /* (Claiming a loss is accepted no questions asked!) */
9228 /* [HGM] bare: don't allow bare King to win */
9229 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9230 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9231 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9232 && result != GameIsDrawn)
9233 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9234 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9235 int p = (signed char)boards[forwardMostMove][i][j] - color;
9236 if(p >= 0 && p <= (int)WhiteKing) k++;
9238 if (appData.debugMode) {
9239 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9240 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9243 result = GameIsDrawn;
9244 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
9245 resultDetails = buf;
9251 if(serverMoves != NULL && !loadFlag) { char c = '=';
9252 if(result==WhiteWins) c = '+';
9253 if(result==BlackWins) c = '-';
9254 if(resultDetails != NULL)
9255 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9257 if (resultDetails != NULL) {
9258 gameInfo.result = result;
9259 gameInfo.resultDetails = StrSave(resultDetails);
9261 /* display last move only if game was not loaded from file */
9262 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9263 DisplayMove(currentMove - 1);
9265 if (forwardMostMove != 0) {
9266 if (gameMode != PlayFromGameFile && gameMode != EditGame
9267 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9269 if (*appData.saveGameFile != NULLCHAR) {
9270 SaveGameToFile(appData.saveGameFile, TRUE);
9271 } else if (appData.autoSaveGames) {
9274 if (*appData.savePositionFile != NULLCHAR) {
9275 SavePositionToFile(appData.savePositionFile);
9280 /* Tell program how game ended in case it is learning */
9281 /* [HGM] Moved this to after saving the PGN, just in case */
9282 /* engine died and we got here through time loss. In that */
9283 /* case we will get a fatal error writing the pipe, which */
9284 /* would otherwise lose us the PGN. */
9285 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9286 /* output during GameEnds should never be fatal anymore */
9287 if (gameMode == MachinePlaysWhite ||
9288 gameMode == MachinePlaysBlack ||
9289 gameMode == TwoMachinesPlay ||
9290 gameMode == IcsPlayingWhite ||
9291 gameMode == IcsPlayingBlack ||
9292 gameMode == BeginningOfGame) {
9294 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
9296 if (first.pr != NoProc) {
9297 SendToProgram(buf, &first);
9299 if (second.pr != NoProc &&
9300 gameMode == TwoMachinesPlay) {
9301 SendToProgram(buf, &second);
9306 if (appData.icsActive) {
9307 if (appData.quietPlay &&
9308 (gameMode == IcsPlayingWhite ||
9309 gameMode == IcsPlayingBlack)) {
9310 SendToICS(ics_prefix);
9311 SendToICS("set shout 1\n");
9313 nextGameMode = IcsIdle;
9314 ics_user_moved = FALSE;
9315 /* clean up premove. It's ugly when the game has ended and the
9316 * premove highlights are still on the board.
9320 ClearPremoveHighlights();
9321 DrawPosition(FALSE, boards[currentMove]);
9323 if (whosays == GE_ICS) {
9326 if (gameMode == IcsPlayingWhite)
9328 else if(gameMode == IcsPlayingBlack)
9332 if (gameMode == IcsPlayingBlack)
9334 else if(gameMode == IcsPlayingWhite)
9341 PlayIcsUnfinishedSound();
9344 } else if (gameMode == EditGame ||
9345 gameMode == PlayFromGameFile ||
9346 gameMode == AnalyzeMode ||
9347 gameMode == AnalyzeFile) {
9348 nextGameMode = gameMode;
9350 nextGameMode = EndOfGame;
9355 nextGameMode = gameMode;
9358 if (appData.noChessProgram) {
9359 gameMode = nextGameMode;
9361 endingGame = 0; /* [HGM] crash */
9366 /* Put first chess program into idle state */
9367 if (first.pr != NoProc &&
9368 (gameMode == MachinePlaysWhite ||
9369 gameMode == MachinePlaysBlack ||
9370 gameMode == TwoMachinesPlay ||
9371 gameMode == IcsPlayingWhite ||
9372 gameMode == IcsPlayingBlack ||
9373 gameMode == BeginningOfGame)) {
9374 SendToProgram("force\n", &first);
9375 if (first.usePing) {
9377 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
9378 SendToProgram(buf, &first);
9381 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9382 /* Kill off first chess program */
9383 if (first.isr != NULL)
9384 RemoveInputSource(first.isr);
9387 if (first.pr != NoProc) {
9389 DoSleep( appData.delayBeforeQuit );
9390 SendToProgram("quit\n", &first);
9391 DoSleep( appData.delayAfterQuit );
9392 DestroyChildProcess(first.pr, first.useSigterm);
9397 /* Put second chess program into idle state */
9398 if (second.pr != NoProc &&
9399 gameMode == TwoMachinesPlay) {
9400 SendToProgram("force\n", &second);
9401 if (second.usePing) {
9403 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
9404 SendToProgram(buf, &second);
9407 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9408 /* Kill off second chess program */
9409 if (second.isr != NULL)
9410 RemoveInputSource(second.isr);
9413 if (second.pr != NoProc) {
9414 DoSleep( appData.delayBeforeQuit );
9415 SendToProgram("quit\n", &second);
9416 DoSleep( appData.delayAfterQuit );
9417 DestroyChildProcess(second.pr, second.useSigterm);
9422 if (matchMode && gameMode == TwoMachinesPlay) {
9425 if (first.twoMachinesColor[0] == 'w') {
9432 if (first.twoMachinesColor[0] == 'b') {
9441 if (matchGame < appData.matchGames) {
9443 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9444 tmp = first.twoMachinesColor;
9445 first.twoMachinesColor = second.twoMachinesColor;
9446 second.twoMachinesColor = tmp;
9448 gameMode = nextGameMode;
9450 if(appData.matchPause>10000 || appData.matchPause<10)
9451 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9452 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9453 endingGame = 0; /* [HGM] crash */
9456 gameMode = nextGameMode;
9457 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
9458 first.tidy, second.tidy,
9459 first.matchWins, second.matchWins,
9460 appData.matchGames - (first.matchWins + second.matchWins));
9461 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
9464 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9465 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9467 gameMode = nextGameMode;
9469 endingGame = 0; /* [HGM] crash */
9470 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
9471 if(matchMode == TRUE) DisplayFatalError(buf, 0, 0); else {
9472 matchMode = FALSE; appData.matchGames = matchGame = 0;
9478 /* Assumes program was just initialized (initString sent).
9479 Leaves program in force mode. */
9481 FeedMovesToProgram(cps, upto)
9482 ChessProgramState *cps;
9487 if (appData.debugMode)
9488 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9489 startedFromSetupPosition ? "position and " : "",
9490 backwardMostMove, upto, cps->which);
9491 if(currentlyInitializedVariant != gameInfo.variant) {
9493 // [HGM] variantswitch: make engine aware of new variant
9494 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9495 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9496 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
9497 SendToProgram(buf, cps);
9498 currentlyInitializedVariant = gameInfo.variant;
9500 SendToProgram("force\n", cps);
9501 if (startedFromSetupPosition) {
9502 SendBoard(cps, backwardMostMove);
9503 if (appData.debugMode) {
9504 fprintf(debugFP, "feedMoves\n");
9507 for (i = backwardMostMove; i < upto; i++) {
9508 SendMoveToProgram(i, cps);
9514 ResurrectChessProgram()
9516 /* The chess program may have exited.
9517 If so, restart it and feed it all the moves made so far. */
9519 if (appData.noChessProgram || first.pr != NoProc) return;
9521 StartChessProgram(&first);
9522 InitChessProgram(&first, FALSE);
9523 FeedMovesToProgram(&first, currentMove);
9525 if (!first.sendTime) {
9526 /* can't tell gnuchess what its clock should read,
9527 so we bow to its notion. */
9529 timeRemaining[0][currentMove] = whiteTimeRemaining;
9530 timeRemaining[1][currentMove] = blackTimeRemaining;
9533 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9534 appData.icsEngineAnalyze) && first.analysisSupport) {
9535 SendToProgram("analyze\n", &first);
9536 first.analyzing = TRUE;
9549 if (appData.debugMode) {
9550 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9551 redraw, init, gameMode);
9553 CleanupTail(); // [HGM] vari: delete any stored variations
9554 pausing = pauseExamInvalid = FALSE;
9555 startedFromSetupPosition = blackPlaysFirst = FALSE;
9557 whiteFlag = blackFlag = FALSE;
9558 userOfferedDraw = FALSE;
9559 hintRequested = bookRequested = FALSE;
9560 first.maybeThinking = FALSE;
9561 second.maybeThinking = FALSE;
9562 first.bookSuspend = FALSE; // [HGM] book
9563 second.bookSuspend = FALSE;
9564 thinkOutput[0] = NULLCHAR;
9565 lastHint[0] = NULLCHAR;
9566 ClearGameInfo(&gameInfo);
9567 gameInfo.variant = StringToVariant(appData.variant);
9568 ics_user_moved = ics_clock_paused = FALSE;
9569 ics_getting_history = H_FALSE;
9571 white_holding[0] = black_holding[0] = NULLCHAR;
9572 ClearProgramStats();
9573 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9577 flipView = appData.flipView;
9578 ClearPremoveHighlights();
9580 alarmSounded = FALSE;
9582 GameEnds(EndOfFile, NULL, GE_PLAYER);
9583 if(appData.serverMovesName != NULL) {
9584 /* [HGM] prepare to make moves file for broadcasting */
9585 clock_t t = clock();
9586 if(serverMoves != NULL) fclose(serverMoves);
9587 serverMoves = fopen(appData.serverMovesName, "r");
9588 if(serverMoves != NULL) {
9589 fclose(serverMoves);
9590 /* delay 15 sec before overwriting, so all clients can see end */
9591 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9593 serverMoves = fopen(appData.serverMovesName, "w");
9597 gameMode = BeginningOfGame;
9599 if(appData.icsActive) gameInfo.variant = VariantNormal;
9600 currentMove = forwardMostMove = backwardMostMove = 0;
9601 InitPosition(redraw);
9602 for (i = 0; i < MAX_MOVES; i++) {
9603 if (commentList[i] != NULL) {
9604 free(commentList[i]);
9605 commentList[i] = NULL;
9609 timeRemaining[0][0] = whiteTimeRemaining;
9610 timeRemaining[1][0] = blackTimeRemaining;
9611 if (first.pr == NULL) {
9612 StartChessProgram(&first);
9615 InitChessProgram(&first, startedFromSetupPosition);
9618 DisplayMessage("", "");
9619 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9620 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9627 if (!AutoPlayOneMove())
9629 if (matchMode || appData.timeDelay == 0)
9631 if (appData.timeDelay < 0)
9633 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9642 int fromX, fromY, toX, toY;
9644 if (appData.debugMode) {
9645 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9648 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
9651 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
9652 pvInfoList[currentMove].depth = programStats.depth;
9653 pvInfoList[currentMove].score = programStats.score;
9654 pvInfoList[currentMove].time = 0;
9655 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
9658 if (currentMove >= forwardMostMove) {
9659 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
9660 gameMode = EditGame;
9663 /* [AS] Clear current move marker at the end of a game */
9664 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9669 toX = moveList[currentMove][2] - AAA;
9670 toY = moveList[currentMove][3] - ONE;
9672 if (moveList[currentMove][1] == '@') {
9673 if (appData.highlightLastMove) {
9674 SetHighlights(-1, -1, toX, toY);
9677 fromX = moveList[currentMove][0] - AAA;
9678 fromY = moveList[currentMove][1] - ONE;
9680 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9682 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9684 if (appData.highlightLastMove) {
9685 SetHighlights(fromX, fromY, toX, toY);
9688 DisplayMove(currentMove);
9689 SendMoveToProgram(currentMove++, &first);
9690 DisplayBothClocks();
9691 DrawPosition(FALSE, boards[currentMove]);
9692 // [HGM] PV info: always display, routine tests if empty
9693 DisplayComment(currentMove - 1, commentList[currentMove]);
9699 LoadGameOneMove(readAhead)
9700 ChessMove readAhead;
9702 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9703 char promoChar = NULLCHAR;
9708 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9709 gameMode != AnalyzeMode && gameMode != Training) {
9714 yyboardindex = forwardMostMove;
9715 if (readAhead != EndOfFile) {
9716 moveType = readAhead;
9718 if (gameFileFP == NULL)
9720 moveType = (ChessMove) Myylex();
9726 if (appData.debugMode)
9727 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9730 /* append the comment but don't display it */
9731 AppendComment(currentMove, p, FALSE);
9734 case WhiteCapturesEnPassant:
9735 case BlackCapturesEnPassant:
9736 case WhitePromotion:
9737 case BlackPromotion:
9738 case WhiteNonPromotion:
9739 case BlackNonPromotion:
9741 case WhiteKingSideCastle:
9742 case WhiteQueenSideCastle:
9743 case BlackKingSideCastle:
9744 case BlackQueenSideCastle:
9745 case WhiteKingSideCastleWild:
9746 case WhiteQueenSideCastleWild:
9747 case BlackKingSideCastleWild:
9748 case BlackQueenSideCastleWild:
9750 case WhiteHSideCastleFR:
9751 case WhiteASideCastleFR:
9752 case BlackHSideCastleFR:
9753 case BlackASideCastleFR:
9755 if (appData.debugMode)
9756 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9757 fromX = currentMoveString[0] - AAA;
9758 fromY = currentMoveString[1] - ONE;
9759 toX = currentMoveString[2] - AAA;
9760 toY = currentMoveString[3] - ONE;
9761 promoChar = currentMoveString[4];
9766 if (appData.debugMode)
9767 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9768 fromX = moveType == WhiteDrop ?
9769 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9770 (int) CharToPiece(ToLower(currentMoveString[0]));
9772 toX = currentMoveString[2] - AAA;
9773 toY = currentMoveString[3] - ONE;
9779 case GameUnfinished:
9780 if (appData.debugMode)
9781 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9782 p = strchr(yy_text, '{');
9783 if (p == NULL) p = strchr(yy_text, '(');
9786 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9788 q = strchr(p, *p == '{' ? '}' : ')');
9789 if (q != NULL) *q = NULLCHAR;
9792 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9793 GameEnds(moveType, p, GE_FILE);
9795 if (cmailMsgLoaded) {
9797 flipView = WhiteOnMove(currentMove);
9798 if (moveType == GameUnfinished) flipView = !flipView;
9799 if (appData.debugMode)
9800 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9805 if (appData.debugMode)
9806 fprintf(debugFP, "Parser hit end of file\n");
9807 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9813 if (WhiteOnMove(currentMove)) {
9814 GameEnds(BlackWins, "Black mates", GE_FILE);
9816 GameEnds(WhiteWins, "White mates", GE_FILE);
9820 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9827 if (lastLoadGameStart == GNUChessGame) {
9828 /* GNUChessGames have numbers, but they aren't move numbers */
9829 if (appData.debugMode)
9830 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9831 yy_text, (int) moveType);
9832 return LoadGameOneMove(EndOfFile); /* tail recursion */
9834 /* else fall thru */
9839 /* Reached start of next game in file */
9840 if (appData.debugMode)
9841 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9842 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9848 if (WhiteOnMove(currentMove)) {
9849 GameEnds(BlackWins, "Black mates", GE_FILE);
9851 GameEnds(WhiteWins, "White mates", GE_FILE);
9855 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9861 case PositionDiagram: /* should not happen; ignore */
9862 case ElapsedTime: /* ignore */
9863 case NAG: /* ignore */
9864 if (appData.debugMode)
9865 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9866 yy_text, (int) moveType);
9867 return LoadGameOneMove(EndOfFile); /* tail recursion */
9870 if (appData.testLegality) {
9871 if (appData.debugMode)
9872 fprintf(debugFP, "Parsed IllegalMove: %s\n", 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);
9879 if (appData.debugMode)
9880 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9881 yy_text, currentMoveString);
9882 fromX = currentMoveString[0] - AAA;
9883 fromY = currentMoveString[1] - ONE;
9884 toX = currentMoveString[2] - AAA;
9885 toY = currentMoveString[3] - ONE;
9886 promoChar = currentMoveString[4];
9891 if (appData.debugMode)
9892 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9893 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
9894 (forwardMostMove / 2) + 1,
9895 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9896 DisplayError(move, 0);
9901 case ImpossibleMove:
9902 if (appData.debugMode)
9903 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9904 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9905 (forwardMostMove / 2) + 1,
9906 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9907 DisplayError(move, 0);
9913 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9914 DrawPosition(FALSE, boards[currentMove]);
9915 DisplayBothClocks();
9916 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9917 DisplayComment(currentMove - 1, commentList[currentMove]);
9919 (void) StopLoadGameTimer();
9921 cmailOldMove = forwardMostMove;
9924 /* currentMoveString is set as a side-effect of yylex */
9925 strcat(currentMoveString, "\n");
9926 safeStrCpy(moveList[forwardMostMove], currentMoveString, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
9928 thinkOutput[0] = NULLCHAR;
9929 MakeMove(fromX, fromY, toX, toY, promoChar);
9930 currentMove = forwardMostMove;
9935 /* Load the nth game from the given file */
9937 LoadGameFromFile(filename, n, title, useList)
9941 /*Boolean*/ int useList;
9946 if (strcmp(filename, "-") == 0) {
9950 f = fopen(filename, "rb");
9952 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9953 DisplayError(buf, errno);
9957 if (fseek(f, 0, 0) == -1) {
9958 /* f is not seekable; probably a pipe */
9961 if (useList && n == 0) {
9962 int error = GameListBuild(f);
9964 DisplayError(_("Cannot build game list"), error);
9965 } else if (!ListEmpty(&gameList) &&
9966 ((ListGame *) gameList.tailPred)->number > 1) {
9967 GameListPopUp(f, title);
9974 return LoadGame(f, n, title, FALSE);
9979 MakeRegisteredMove()
9981 int fromX, fromY, toX, toY;
9983 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9984 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9987 if (appData.debugMode)
9988 fprintf(debugFP, "Restoring %s for game %d\n",
9989 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9991 thinkOutput[0] = NULLCHAR;
9992 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
9993 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9994 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9995 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9996 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9997 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9998 MakeMove(fromX, fromY, toX, toY, promoChar);
9999 ShowMove(fromX, fromY, toX, toY);
10001 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10008 if (WhiteOnMove(currentMove)) {
10009 GameEnds(BlackWins, "Black mates", GE_PLAYER);
10011 GameEnds(WhiteWins, "White mates", GE_PLAYER);
10016 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
10023 if (WhiteOnMove(currentMove)) {
10024 GameEnds(BlackWins, "White resigns", GE_PLAYER);
10026 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
10031 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
10042 /* Wrapper around LoadGame for use when a Cmail message is loaded */
10044 CmailLoadGame(f, gameNumber, title, useList)
10052 if (gameNumber > nCmailGames) {
10053 DisplayError(_("No more games in this message"), 0);
10056 if (f == lastLoadGameFP) {
10057 int offset = gameNumber - lastLoadGameNumber;
10059 cmailMsg[0] = NULLCHAR;
10060 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10061 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10062 nCmailMovesRegistered--;
10064 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10065 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10066 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10069 if (! RegisterMove()) return FALSE;
10073 retVal = LoadGame(f, gameNumber, title, useList);
10075 /* Make move registered during previous look at this game, if any */
10076 MakeRegisteredMove();
10078 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10079 commentList[currentMove]
10080 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10081 DisplayComment(currentMove - 1, commentList[currentMove]);
10087 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10092 int gameNumber = lastLoadGameNumber + offset;
10093 if (lastLoadGameFP == NULL) {
10094 DisplayError(_("No game has been loaded yet"), 0);
10097 if (gameNumber <= 0) {
10098 DisplayError(_("Can't back up any further"), 0);
10101 if (cmailMsgLoaded) {
10102 return CmailLoadGame(lastLoadGameFP, gameNumber,
10103 lastLoadGameTitle, lastLoadGameUseList);
10105 return LoadGame(lastLoadGameFP, gameNumber,
10106 lastLoadGameTitle, lastLoadGameUseList);
10112 /* Load the nth game from open file f */
10114 LoadGame(f, gameNumber, title, useList)
10122 int gn = gameNumber;
10123 ListGame *lg = NULL;
10124 int numPGNTags = 0;
10126 GameMode oldGameMode;
10127 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10129 if (appData.debugMode)
10130 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10132 if (gameMode == Training )
10133 SetTrainingModeOff();
10135 oldGameMode = gameMode;
10136 if (gameMode != BeginningOfGame) {
10137 Reset(FALSE, TRUE);
10141 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10142 fclose(lastLoadGameFP);
10146 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10149 fseek(f, lg->offset, 0);
10150 GameListHighlight(gameNumber);
10154 DisplayError(_("Game number out of range"), 0);
10159 if (fseek(f, 0, 0) == -1) {
10160 if (f == lastLoadGameFP ?
10161 gameNumber == lastLoadGameNumber + 1 :
10165 DisplayError(_("Can't seek on game file"), 0);
10170 lastLoadGameFP = f;
10171 lastLoadGameNumber = gameNumber;
10172 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10173 lastLoadGameUseList = useList;
10177 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10178 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10179 lg->gameInfo.black);
10181 } else if (*title != NULLCHAR) {
10182 if (gameNumber > 1) {
10183 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
10186 DisplayTitle(title);
10190 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10191 gameMode = PlayFromGameFile;
10195 currentMove = forwardMostMove = backwardMostMove = 0;
10196 CopyBoard(boards[0], initialPosition);
10200 * Skip the first gn-1 games in the file.
10201 * Also skip over anything that precedes an identifiable
10202 * start of game marker, to avoid being confused by
10203 * garbage at the start of the file. Currently
10204 * recognized start of game markers are the move number "1",
10205 * the pattern "gnuchess .* game", the pattern
10206 * "^[#;%] [^ ]* game file", and a PGN tag block.
10207 * A game that starts with one of the latter two patterns
10208 * will also have a move number 1, possibly
10209 * following a position diagram.
10210 * 5-4-02: Let's try being more lenient and allowing a game to
10211 * start with an unnumbered move. Does that break anything?
10213 cm = lastLoadGameStart = EndOfFile;
10215 yyboardindex = forwardMostMove;
10216 cm = (ChessMove) Myylex();
10219 if (cmailMsgLoaded) {
10220 nCmailGames = CMAIL_MAX_GAMES - gn;
10223 DisplayError(_("Game not found in file"), 0);
10230 lastLoadGameStart = cm;
10233 case MoveNumberOne:
10234 switch (lastLoadGameStart) {
10239 case MoveNumberOne:
10241 gn--; /* count this game */
10242 lastLoadGameStart = cm;
10251 switch (lastLoadGameStart) {
10254 case MoveNumberOne:
10256 gn--; /* count this game */
10257 lastLoadGameStart = cm;
10260 lastLoadGameStart = cm; /* game counted already */
10268 yyboardindex = forwardMostMove;
10269 cm = (ChessMove) Myylex();
10270 } while (cm == PGNTag || cm == Comment);
10277 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10278 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10279 != CMAIL_OLD_RESULT) {
10281 cmailResult[ CMAIL_MAX_GAMES
10282 - gn - 1] = CMAIL_OLD_RESULT;
10288 /* Only a NormalMove can be at the start of a game
10289 * without a position diagram. */
10290 if (lastLoadGameStart == EndOfFile ) {
10292 lastLoadGameStart = MoveNumberOne;
10301 if (appData.debugMode)
10302 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10304 if (cm == XBoardGame) {
10305 /* Skip any header junk before position diagram and/or move 1 */
10307 yyboardindex = forwardMostMove;
10308 cm = (ChessMove) Myylex();
10310 if (cm == EndOfFile ||
10311 cm == GNUChessGame || cm == XBoardGame) {
10312 /* Empty game; pretend end-of-file and handle later */
10317 if (cm == MoveNumberOne || cm == PositionDiagram ||
10318 cm == PGNTag || cm == Comment)
10321 } else if (cm == GNUChessGame) {
10322 if (gameInfo.event != NULL) {
10323 free(gameInfo.event);
10325 gameInfo.event = StrSave(yy_text);
10328 startedFromSetupPosition = FALSE;
10329 while (cm == PGNTag) {
10330 if (appData.debugMode)
10331 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10332 err = ParsePGNTag(yy_text, &gameInfo);
10333 if (!err) numPGNTags++;
10335 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10336 if(gameInfo.variant != oldVariant) {
10337 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10338 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10339 InitPosition(TRUE);
10340 oldVariant = gameInfo.variant;
10341 if (appData.debugMode)
10342 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10346 if (gameInfo.fen != NULL) {
10347 Board initial_position;
10348 startedFromSetupPosition = TRUE;
10349 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10351 DisplayError(_("Bad FEN position in file"), 0);
10354 CopyBoard(boards[0], initial_position);
10355 if (blackPlaysFirst) {
10356 currentMove = forwardMostMove = backwardMostMove = 1;
10357 CopyBoard(boards[1], initial_position);
10358 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10359 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10360 timeRemaining[0][1] = whiteTimeRemaining;
10361 timeRemaining[1][1] = blackTimeRemaining;
10362 if (commentList[0] != NULL) {
10363 commentList[1] = commentList[0];
10364 commentList[0] = NULL;
10367 currentMove = forwardMostMove = backwardMostMove = 0;
10369 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10371 initialRulePlies = FENrulePlies;
10372 for( i=0; i< nrCastlingRights; i++ )
10373 initialRights[i] = initial_position[CASTLING][i];
10375 yyboardindex = forwardMostMove;
10376 free(gameInfo.fen);
10377 gameInfo.fen = NULL;
10380 yyboardindex = forwardMostMove;
10381 cm = (ChessMove) Myylex();
10383 /* Handle comments interspersed among the tags */
10384 while (cm == Comment) {
10386 if (appData.debugMode)
10387 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10389 AppendComment(currentMove, p, FALSE);
10390 yyboardindex = forwardMostMove;
10391 cm = (ChessMove) Myylex();
10395 /* don't rely on existence of Event tag since if game was
10396 * pasted from clipboard the Event tag may not exist
10398 if (numPGNTags > 0){
10400 if (gameInfo.variant == VariantNormal) {
10401 VariantClass v = StringToVariant(gameInfo.event);
10402 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10403 if(v < VariantShogi) gameInfo.variant = v;
10406 if( appData.autoDisplayTags ) {
10407 tags = PGNTags(&gameInfo);
10408 TagsPopUp(tags, CmailMsg());
10413 /* Make something up, but don't display it now */
10418 if (cm == PositionDiagram) {
10421 Board initial_position;
10423 if (appData.debugMode)
10424 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10426 if (!startedFromSetupPosition) {
10428 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10429 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10439 initial_position[i][j++] = CharToPiece(*p);
10442 while (*p == ' ' || *p == '\t' ||
10443 *p == '\n' || *p == '\r') p++;
10445 if (strncmp(p, "black", strlen("black"))==0)
10446 blackPlaysFirst = TRUE;
10448 blackPlaysFirst = FALSE;
10449 startedFromSetupPosition = TRUE;
10451 CopyBoard(boards[0], initial_position);
10452 if (blackPlaysFirst) {
10453 currentMove = forwardMostMove = backwardMostMove = 1;
10454 CopyBoard(boards[1], initial_position);
10455 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10456 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10457 timeRemaining[0][1] = whiteTimeRemaining;
10458 timeRemaining[1][1] = blackTimeRemaining;
10459 if (commentList[0] != NULL) {
10460 commentList[1] = commentList[0];
10461 commentList[0] = NULL;
10464 currentMove = forwardMostMove = backwardMostMove = 0;
10467 yyboardindex = forwardMostMove;
10468 cm = (ChessMove) Myylex();
10471 if (first.pr == NoProc) {
10472 StartChessProgram(&first);
10474 InitChessProgram(&first, FALSE);
10475 SendToProgram("force\n", &first);
10476 if (startedFromSetupPosition) {
10477 SendBoard(&first, forwardMostMove);
10478 if (appData.debugMode) {
10479 fprintf(debugFP, "Load Game\n");
10481 DisplayBothClocks();
10484 /* [HGM] server: flag to write setup moves in broadcast file as one */
10485 loadFlag = appData.suppressLoadMoves;
10487 while (cm == Comment) {
10489 if (appData.debugMode)
10490 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10492 AppendComment(currentMove, p, FALSE);
10493 yyboardindex = forwardMostMove;
10494 cm = (ChessMove) Myylex();
10497 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
10498 cm == WhiteWins || cm == BlackWins ||
10499 cm == GameIsDrawn || cm == GameUnfinished) {
10500 DisplayMessage("", _("No moves in game"));
10501 if (cmailMsgLoaded) {
10502 if (appData.debugMode)
10503 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10507 DrawPosition(FALSE, boards[currentMove]);
10508 DisplayBothClocks();
10509 gameMode = EditGame;
10516 // [HGM] PV info: routine tests if comment empty
10517 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10518 DisplayComment(currentMove - 1, commentList[currentMove]);
10520 if (!matchMode && appData.timeDelay != 0)
10521 DrawPosition(FALSE, boards[currentMove]);
10523 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10524 programStats.ok_to_send = 1;
10527 /* if the first token after the PGN tags is a move
10528 * and not move number 1, retrieve it from the parser
10530 if (cm != MoveNumberOne)
10531 LoadGameOneMove(cm);
10533 /* load the remaining moves from the file */
10534 while (LoadGameOneMove(EndOfFile)) {
10535 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10536 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10539 /* rewind to the start of the game */
10540 currentMove = backwardMostMove;
10542 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10544 if (oldGameMode == AnalyzeFile ||
10545 oldGameMode == AnalyzeMode) {
10546 AnalyzeFileEvent();
10549 if (matchMode || appData.timeDelay == 0) {
10551 gameMode = EditGame;
10553 } else if (appData.timeDelay > 0) {
10554 AutoPlayGameLoop();
10557 if (appData.debugMode)
10558 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10560 loadFlag = 0; /* [HGM] true game starts */
10564 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10566 ReloadPosition(offset)
10569 int positionNumber = lastLoadPositionNumber + offset;
10570 if (lastLoadPositionFP == NULL) {
10571 DisplayError(_("No position has been loaded yet"), 0);
10574 if (positionNumber <= 0) {
10575 DisplayError(_("Can't back up any further"), 0);
10578 return LoadPosition(lastLoadPositionFP, positionNumber,
10579 lastLoadPositionTitle);
10582 /* Load the nth position from the given file */
10584 LoadPositionFromFile(filename, n, title)
10592 if (strcmp(filename, "-") == 0) {
10593 return LoadPosition(stdin, n, "stdin");
10595 f = fopen(filename, "rb");
10597 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10598 DisplayError(buf, errno);
10601 return LoadPosition(f, n, title);
10606 /* Load the nth position from the given open file, and close it */
10608 LoadPosition(f, positionNumber, title)
10610 int positionNumber;
10613 char *p, line[MSG_SIZ];
10614 Board initial_position;
10615 int i, j, fenMode, pn;
10617 if (gameMode == Training )
10618 SetTrainingModeOff();
10620 if (gameMode != BeginningOfGame) {
10621 Reset(FALSE, TRUE);
10623 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10624 fclose(lastLoadPositionFP);
10626 if (positionNumber == 0) positionNumber = 1;
10627 lastLoadPositionFP = f;
10628 lastLoadPositionNumber = positionNumber;
10629 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
10630 if (first.pr == NoProc) {
10631 StartChessProgram(&first);
10632 InitChessProgram(&first, FALSE);
10634 pn = positionNumber;
10635 if (positionNumber < 0) {
10636 /* Negative position number means to seek to that byte offset */
10637 if (fseek(f, -positionNumber, 0) == -1) {
10638 DisplayError(_("Can't seek on position file"), 0);
10643 if (fseek(f, 0, 0) == -1) {
10644 if (f == lastLoadPositionFP ?
10645 positionNumber == lastLoadPositionNumber + 1 :
10646 positionNumber == 1) {
10649 DisplayError(_("Can't seek on position file"), 0);
10654 /* See if this file is FEN or old-style xboard */
10655 if (fgets(line, MSG_SIZ, f) == NULL) {
10656 DisplayError(_("Position not found in file"), 0);
10659 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10660 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10663 if (fenMode || line[0] == '#') pn--;
10665 /* skip positions before number pn */
10666 if (fgets(line, MSG_SIZ, f) == NULL) {
10668 DisplayError(_("Position not found in file"), 0);
10671 if (fenMode || line[0] == '#') pn--;
10676 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10677 DisplayError(_("Bad FEN position in file"), 0);
10681 (void) fgets(line, MSG_SIZ, f);
10682 (void) fgets(line, MSG_SIZ, f);
10684 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10685 (void) fgets(line, MSG_SIZ, f);
10686 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10689 initial_position[i][j++] = CharToPiece(*p);
10693 blackPlaysFirst = FALSE;
10695 (void) fgets(line, MSG_SIZ, f);
10696 if (strncmp(line, "black", strlen("black"))==0)
10697 blackPlaysFirst = TRUE;
10700 startedFromSetupPosition = TRUE;
10702 SendToProgram("force\n", &first);
10703 CopyBoard(boards[0], initial_position);
10704 if (blackPlaysFirst) {
10705 currentMove = forwardMostMove = backwardMostMove = 1;
10706 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10707 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10708 CopyBoard(boards[1], initial_position);
10709 DisplayMessage("", _("Black to play"));
10711 currentMove = forwardMostMove = backwardMostMove = 0;
10712 DisplayMessage("", _("White to play"));
10714 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10715 SendBoard(&first, forwardMostMove);
10716 if (appData.debugMode) {
10718 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10719 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10720 fprintf(debugFP, "Load Position\n");
10723 if (positionNumber > 1) {
10724 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
10725 DisplayTitle(line);
10727 DisplayTitle(title);
10729 gameMode = EditGame;
10732 timeRemaining[0][1] = whiteTimeRemaining;
10733 timeRemaining[1][1] = blackTimeRemaining;
10734 DrawPosition(FALSE, boards[currentMove]);
10741 CopyPlayerNameIntoFileName(dest, src)
10744 while (*src != NULLCHAR && *src != ',') {
10749 *(*dest)++ = *src++;
10754 char *DefaultFileName(ext)
10757 static char def[MSG_SIZ];
10760 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10762 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10764 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10766 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
10773 /* Save the current game to the given file */
10775 SaveGameToFile(filename, append)
10782 if (strcmp(filename, "-") == 0) {
10783 return SaveGame(stdout, 0, NULL);
10785 f = fopen(filename, append ? "a" : "w");
10787 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10788 DisplayError(buf, errno);
10791 return SaveGame(f, 0, NULL);
10800 static char buf[MSG_SIZ];
10803 p = strchr(str, ' ');
10804 if (p == NULL) return str;
10805 strncpy(buf, str, p - str);
10806 buf[p - str] = NULLCHAR;
10810 #define PGN_MAX_LINE 75
10812 #define PGN_SIDE_WHITE 0
10813 #define PGN_SIDE_BLACK 1
10816 static int FindFirstMoveOutOfBook( int side )
10820 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10821 int index = backwardMostMove;
10822 int has_book_hit = 0;
10824 if( (index % 2) != side ) {
10828 while( index < forwardMostMove ) {
10829 /* Check to see if engine is in book */
10830 int depth = pvInfoList[index].depth;
10831 int score = pvInfoList[index].score;
10837 else if( score == 0 && depth == 63 ) {
10838 in_book = 1; /* Zappa */
10840 else if( score == 2 && depth == 99 ) {
10841 in_book = 1; /* Abrok */
10844 has_book_hit += in_book;
10860 void GetOutOfBookInfo( char * buf )
10864 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10866 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10867 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10871 if( oob[0] >= 0 || oob[1] >= 0 ) {
10872 for( i=0; i<2; i++ ) {
10876 if( i > 0 && oob[0] >= 0 ) {
10877 strcat( buf, " " );
10880 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10881 sprintf( buf+strlen(buf), "%s%.2f",
10882 pvInfoList[idx].score >= 0 ? "+" : "",
10883 pvInfoList[idx].score / 100.0 );
10889 /* Save game in PGN style and close the file */
10894 int i, offset, linelen, newblock;
10898 int movelen, numlen, blank;
10899 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10901 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10903 tm = time((time_t *) NULL);
10905 PrintPGNTags(f, &gameInfo);
10907 if (backwardMostMove > 0 || startedFromSetupPosition) {
10908 char *fen = PositionToFEN(backwardMostMove, NULL);
10909 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10910 fprintf(f, "\n{--------------\n");
10911 PrintPosition(f, backwardMostMove);
10912 fprintf(f, "--------------}\n");
10916 /* [AS] Out of book annotation */
10917 if( appData.saveOutOfBookInfo ) {
10920 GetOutOfBookInfo( buf );
10922 if( buf[0] != '\0' ) {
10923 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10930 i = backwardMostMove;
10934 while (i < forwardMostMove) {
10935 /* Print comments preceding this move */
10936 if (commentList[i] != NULL) {
10937 if (linelen > 0) fprintf(f, "\n");
10938 fprintf(f, "%s", commentList[i]);
10943 /* Format move number */
10945 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
10948 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
10950 numtext[0] = NULLCHAR;
10952 numlen = strlen(numtext);
10955 /* Print move number */
10956 blank = linelen > 0 && numlen > 0;
10957 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10966 fprintf(f, "%s", numtext);
10970 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
10971 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10974 blank = linelen > 0 && movelen > 0;
10975 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10984 fprintf(f, "%s", move_buffer);
10985 linelen += movelen;
10987 /* [AS] Add PV info if present */
10988 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10989 /* [HGM] add time */
10990 char buf[MSG_SIZ]; int seconds;
10992 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10998 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
11001 seconds = (seconds + 4)/10; // round to full seconds
11003 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
11005 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
11008 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
11009 pvInfoList[i].score >= 0 ? "+" : "",
11010 pvInfoList[i].score / 100.0,
11011 pvInfoList[i].depth,
11014 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
11016 /* Print score/depth */
11017 blank = linelen > 0 && movelen > 0;
11018 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11027 fprintf(f, "%s", move_buffer);
11028 linelen += movelen;
11034 /* Start a new line */
11035 if (linelen > 0) fprintf(f, "\n");
11037 /* Print comments after last move */
11038 if (commentList[i] != NULL) {
11039 fprintf(f, "%s\n", commentList[i]);
11043 if (gameInfo.resultDetails != NULL &&
11044 gameInfo.resultDetails[0] != NULLCHAR) {
11045 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
11046 PGNResult(gameInfo.result));
11048 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11052 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11056 /* Save game in old style and close the file */
11058 SaveGameOldStyle(f)
11064 tm = time((time_t *) NULL);
11066 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11069 if (backwardMostMove > 0 || startedFromSetupPosition) {
11070 fprintf(f, "\n[--------------\n");
11071 PrintPosition(f, backwardMostMove);
11072 fprintf(f, "--------------]\n");
11077 i = backwardMostMove;
11078 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11080 while (i < forwardMostMove) {
11081 if (commentList[i] != NULL) {
11082 fprintf(f, "[%s]\n", commentList[i]);
11085 if ((i % 2) == 1) {
11086 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11089 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11091 if (commentList[i] != NULL) {
11095 if (i >= forwardMostMove) {
11099 fprintf(f, "%s\n", parseList[i]);
11104 if (commentList[i] != NULL) {
11105 fprintf(f, "[%s]\n", commentList[i]);
11108 /* This isn't really the old style, but it's close enough */
11109 if (gameInfo.resultDetails != NULL &&
11110 gameInfo.resultDetails[0] != NULLCHAR) {
11111 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11112 gameInfo.resultDetails);
11114 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11121 /* Save the current game to open file f and close the file */
11123 SaveGame(f, dummy, dummy2)
11128 if (gameMode == EditPosition) EditPositionDone(TRUE);
11129 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11130 if (appData.oldSaveStyle)
11131 return SaveGameOldStyle(f);
11133 return SaveGamePGN(f);
11136 /* Save the current position to the given file */
11138 SavePositionToFile(filename)
11144 if (strcmp(filename, "-") == 0) {
11145 return SavePosition(stdout, 0, NULL);
11147 f = fopen(filename, "a");
11149 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11150 DisplayError(buf, errno);
11153 SavePosition(f, 0, NULL);
11159 /* Save the current position to the given open file and close the file */
11161 SavePosition(f, dummy, dummy2)
11169 if (gameMode == EditPosition) EditPositionDone(TRUE);
11170 if (appData.oldSaveStyle) {
11171 tm = time((time_t *) NULL);
11173 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11175 fprintf(f, "[--------------\n");
11176 PrintPosition(f, currentMove);
11177 fprintf(f, "--------------]\n");
11179 fen = PositionToFEN(currentMove, NULL);
11180 fprintf(f, "%s\n", fen);
11188 ReloadCmailMsgEvent(unregister)
11192 static char *inFilename = NULL;
11193 static char *outFilename;
11195 struct stat inbuf, outbuf;
11198 /* Any registered moves are unregistered if unregister is set, */
11199 /* i.e. invoked by the signal handler */
11201 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11202 cmailMoveRegistered[i] = FALSE;
11203 if (cmailCommentList[i] != NULL) {
11204 free(cmailCommentList[i]);
11205 cmailCommentList[i] = NULL;
11208 nCmailMovesRegistered = 0;
11211 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11212 cmailResult[i] = CMAIL_NOT_RESULT;
11216 if (inFilename == NULL) {
11217 /* Because the filenames are static they only get malloced once */
11218 /* and they never get freed */
11219 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11220 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11222 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11223 sprintf(outFilename, "%s.out", appData.cmailGameName);
11226 status = stat(outFilename, &outbuf);
11228 cmailMailedMove = FALSE;
11230 status = stat(inFilename, &inbuf);
11231 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11234 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11235 counts the games, notes how each one terminated, etc.
11237 It would be nice to remove this kludge and instead gather all
11238 the information while building the game list. (And to keep it
11239 in the game list nodes instead of having a bunch of fixed-size
11240 parallel arrays.) Note this will require getting each game's
11241 termination from the PGN tags, as the game list builder does
11242 not process the game moves. --mann
11244 cmailMsgLoaded = TRUE;
11245 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11247 /* Load first game in the file or popup game menu */
11248 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11250 #endif /* !WIN32 */
11258 char string[MSG_SIZ];
11260 if ( cmailMailedMove
11261 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11262 return TRUE; /* Allow free viewing */
11265 /* Unregister move to ensure that we don't leave RegisterMove */
11266 /* with the move registered when the conditions for registering no */
11268 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11269 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11270 nCmailMovesRegistered --;
11272 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11274 free(cmailCommentList[lastLoadGameNumber - 1]);
11275 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11279 if (cmailOldMove == -1) {
11280 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11284 if (currentMove > cmailOldMove + 1) {
11285 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11289 if (currentMove < cmailOldMove) {
11290 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11294 if (forwardMostMove > currentMove) {
11295 /* Silently truncate extra moves */
11299 if ( (currentMove == cmailOldMove + 1)
11300 || ( (currentMove == cmailOldMove)
11301 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11302 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11303 if (gameInfo.result != GameUnfinished) {
11304 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11307 if (commentList[currentMove] != NULL) {
11308 cmailCommentList[lastLoadGameNumber - 1]
11309 = StrSave(commentList[currentMove]);
11311 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
11313 if (appData.debugMode)
11314 fprintf(debugFP, "Saving %s for game %d\n",
11315 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11317 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11319 f = fopen(string, "w");
11320 if (appData.oldSaveStyle) {
11321 SaveGameOldStyle(f); /* also closes the file */
11323 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
11324 f = fopen(string, "w");
11325 SavePosition(f, 0, NULL); /* also closes the file */
11327 fprintf(f, "{--------------\n");
11328 PrintPosition(f, currentMove);
11329 fprintf(f, "--------------}\n\n");
11331 SaveGame(f, 0, NULL); /* also closes the file*/
11334 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11335 nCmailMovesRegistered ++;
11336 } else if (nCmailGames == 1) {
11337 DisplayError(_("You have not made a move yet"), 0);
11348 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11349 FILE *commandOutput;
11350 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11351 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11357 if (! cmailMsgLoaded) {
11358 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11362 if (nCmailGames == nCmailResults) {
11363 DisplayError(_("No unfinished games"), 0);
11367 #if CMAIL_PROHIBIT_REMAIL
11368 if (cmailMailedMove) {
11369 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);
11370 DisplayError(msg, 0);
11375 if (! (cmailMailedMove || RegisterMove())) return;
11377 if ( cmailMailedMove
11378 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11379 snprintf(string, MSG_SIZ, partCommandString,
11380 appData.debugMode ? " -v" : "", appData.cmailGameName);
11381 commandOutput = popen(string, "r");
11383 if (commandOutput == NULL) {
11384 DisplayError(_("Failed to invoke cmail"), 0);
11386 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11387 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11389 if (nBuffers > 1) {
11390 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11391 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11392 nBytes = MSG_SIZ - 1;
11394 (void) memcpy(msg, buffer, nBytes);
11396 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11398 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11399 cmailMailedMove = TRUE; /* Prevent >1 moves */
11402 for (i = 0; i < nCmailGames; i ++) {
11403 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11408 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11410 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
11412 appData.cmailGameName,
11414 LoadGameFromFile(buffer, 1, buffer, FALSE);
11415 cmailMsgLoaded = FALSE;
11419 DisplayInformation(msg);
11420 pclose(commandOutput);
11423 if ((*cmailMsg) != '\0') {
11424 DisplayInformation(cmailMsg);
11429 #endif /* !WIN32 */
11438 int prependComma = 0;
11440 char string[MSG_SIZ]; /* Space for game-list */
11443 if (!cmailMsgLoaded) return "";
11445 if (cmailMailedMove) {
11446 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
11448 /* Create a list of games left */
11449 snprintf(string, MSG_SIZ, "[");
11450 for (i = 0; i < nCmailGames; i ++) {
11451 if (! ( cmailMoveRegistered[i]
11452 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11453 if (prependComma) {
11454 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
11456 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
11460 strcat(string, number);
11463 strcat(string, "]");
11465 if (nCmailMovesRegistered + nCmailResults == 0) {
11466 switch (nCmailGames) {
11468 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
11472 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
11476 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
11481 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11483 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
11488 if (nCmailResults == nCmailGames) {
11489 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
11491 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
11496 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
11508 if (gameMode == Training)
11509 SetTrainingModeOff();
11512 cmailMsgLoaded = FALSE;
11513 if (appData.icsActive) {
11514 SendToICS(ics_prefix);
11515 SendToICS("refresh\n");
11525 /* Give up on clean exit */
11529 /* Keep trying for clean exit */
11533 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11535 if (telnetISR != NULL) {
11536 RemoveInputSource(telnetISR);
11538 if (icsPR != NoProc) {
11539 DestroyChildProcess(icsPR, TRUE);
11542 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11543 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11545 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11546 /* make sure this other one finishes before killing it! */
11547 if(endingGame) { int count = 0;
11548 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11549 while(endingGame && count++ < 10) DoSleep(1);
11550 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11553 /* Kill off chess programs */
11554 if (first.pr != NoProc) {
11557 DoSleep( appData.delayBeforeQuit );
11558 SendToProgram("quit\n", &first);
11559 DoSleep( appData.delayAfterQuit );
11560 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11562 if (second.pr != NoProc) {
11563 DoSleep( appData.delayBeforeQuit );
11564 SendToProgram("quit\n", &second);
11565 DoSleep( appData.delayAfterQuit );
11566 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11568 if (first.isr != NULL) {
11569 RemoveInputSource(first.isr);
11571 if (second.isr != NULL) {
11572 RemoveInputSource(second.isr);
11575 ShutDownFrontEnd();
11582 if (appData.debugMode)
11583 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11587 if (gameMode == MachinePlaysWhite ||
11588 gameMode == MachinePlaysBlack) {
11591 DisplayBothClocks();
11593 if (gameMode == PlayFromGameFile) {
11594 if (appData.timeDelay >= 0)
11595 AutoPlayGameLoop();
11596 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11597 Reset(FALSE, TRUE);
11598 SendToICS(ics_prefix);
11599 SendToICS("refresh\n");
11600 } else if (currentMove < forwardMostMove) {
11601 ForwardInner(forwardMostMove);
11603 pauseExamInvalid = FALSE;
11605 switch (gameMode) {
11609 pauseExamForwardMostMove = forwardMostMove;
11610 pauseExamInvalid = FALSE;
11613 case IcsPlayingWhite:
11614 case IcsPlayingBlack:
11618 case PlayFromGameFile:
11619 (void) StopLoadGameTimer();
11623 case BeginningOfGame:
11624 if (appData.icsActive) return;
11625 /* else fall through */
11626 case MachinePlaysWhite:
11627 case MachinePlaysBlack:
11628 case TwoMachinesPlay:
11629 if (forwardMostMove == 0)
11630 return; /* don't pause if no one has moved */
11631 if ((gameMode == MachinePlaysWhite &&
11632 !WhiteOnMove(forwardMostMove)) ||
11633 (gameMode == MachinePlaysBlack &&
11634 WhiteOnMove(forwardMostMove))) {
11647 char title[MSG_SIZ];
11649 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11650 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
11652 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11653 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11654 parseList[currentMove - 1]);
11657 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11664 char *tags = PGNTags(&gameInfo);
11665 EditTagsPopUp(tags, NULL);
11672 if (appData.noChessProgram || gameMode == AnalyzeMode)
11675 if (gameMode != AnalyzeFile) {
11676 if (!appData.icsEngineAnalyze) {
11678 if (gameMode != EditGame) return;
11680 ResurrectChessProgram();
11681 SendToProgram("analyze\n", &first);
11682 first.analyzing = TRUE;
11683 /*first.maybeThinking = TRUE;*/
11684 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11685 EngineOutputPopUp();
11687 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11692 StartAnalysisClock();
11693 GetTimeMark(&lastNodeCountTime);
11700 if (appData.noChessProgram || gameMode == AnalyzeFile)
11703 if (gameMode != AnalyzeMode) {
11705 if (gameMode != EditGame) return;
11706 ResurrectChessProgram();
11707 SendToProgram("analyze\n", &first);
11708 first.analyzing = TRUE;
11709 /*first.maybeThinking = TRUE;*/
11710 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11711 EngineOutputPopUp();
11713 gameMode = AnalyzeFile;
11718 StartAnalysisClock();
11719 GetTimeMark(&lastNodeCountTime);
11724 MachineWhiteEvent()
11727 char *bookHit = NULL;
11729 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11733 if (gameMode == PlayFromGameFile ||
11734 gameMode == TwoMachinesPlay ||
11735 gameMode == Training ||
11736 gameMode == AnalyzeMode ||
11737 gameMode == EndOfGame)
11740 if (gameMode == EditPosition)
11741 EditPositionDone(TRUE);
11743 if (!WhiteOnMove(currentMove)) {
11744 DisplayError(_("It is not White's turn"), 0);
11748 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11751 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11752 gameMode == AnalyzeFile)
11755 ResurrectChessProgram(); /* in case it isn't running */
11756 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11757 gameMode = MachinePlaysWhite;
11760 gameMode = MachinePlaysWhite;
11764 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11766 if (first.sendName) {
11767 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
11768 SendToProgram(buf, &first);
11770 if (first.sendTime) {
11771 if (first.useColors) {
11772 SendToProgram("black\n", &first); /*gnu kludge*/
11774 SendTimeRemaining(&first, TRUE);
11776 if (first.useColors) {
11777 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11779 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11780 SetMachineThinkingEnables();
11781 first.maybeThinking = TRUE;
11785 if (appData.autoFlipView && !flipView) {
11786 flipView = !flipView;
11787 DrawPosition(FALSE, NULL);
11788 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11791 if(bookHit) { // [HGM] book: simulate book reply
11792 static char bookMove[MSG_SIZ]; // a bit generous?
11794 programStats.nodes = programStats.depth = programStats.time =
11795 programStats.score = programStats.got_only_move = 0;
11796 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11798 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11799 strcat(bookMove, bookHit);
11800 HandleMachineMove(bookMove, &first);
11805 MachineBlackEvent()
11808 char *bookHit = NULL;
11810 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11814 if (gameMode == PlayFromGameFile ||
11815 gameMode == TwoMachinesPlay ||
11816 gameMode == Training ||
11817 gameMode == AnalyzeMode ||
11818 gameMode == EndOfGame)
11821 if (gameMode == EditPosition)
11822 EditPositionDone(TRUE);
11824 if (WhiteOnMove(currentMove)) {
11825 DisplayError(_("It is not Black's turn"), 0);
11829 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11832 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11833 gameMode == AnalyzeFile)
11836 ResurrectChessProgram(); /* in case it isn't running */
11837 gameMode = MachinePlaysBlack;
11841 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11843 if (first.sendName) {
11844 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
11845 SendToProgram(buf, &first);
11847 if (first.sendTime) {
11848 if (first.useColors) {
11849 SendToProgram("white\n", &first); /*gnu kludge*/
11851 SendTimeRemaining(&first, FALSE);
11853 if (first.useColors) {
11854 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11856 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11857 SetMachineThinkingEnables();
11858 first.maybeThinking = TRUE;
11861 if (appData.autoFlipView && flipView) {
11862 flipView = !flipView;
11863 DrawPosition(FALSE, NULL);
11864 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11866 if(bookHit) { // [HGM] book: simulate book reply
11867 static char bookMove[MSG_SIZ]; // a bit generous?
11869 programStats.nodes = programStats.depth = programStats.time =
11870 programStats.score = programStats.got_only_move = 0;
11871 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11873 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11874 strcat(bookMove, bookHit);
11875 HandleMachineMove(bookMove, &first);
11881 DisplayTwoMachinesTitle()
11884 if (appData.matchGames > 0) {
11885 if (first.twoMachinesColor[0] == 'w') {
11886 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11887 gameInfo.white, gameInfo.black,
11888 first.matchWins, second.matchWins,
11889 matchGame - 1 - (first.matchWins + second.matchWins));
11891 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11892 gameInfo.white, gameInfo.black,
11893 second.matchWins, first.matchWins,
11894 matchGame - 1 - (first.matchWins + second.matchWins));
11897 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11903 SettingsMenuIfReady()
11905 if (second.lastPing != second.lastPong) {
11906 DisplayMessage("", _("Waiting for second chess program"));
11907 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
11911 DisplayMessage("", "");
11912 SettingsPopUp(&second);
11916 WaitForSecond(DelayedEventCallback retry)
11918 if (second.pr == NULL) {
11919 StartChessProgram(&second);
11920 if (second.protocolVersion == 1) {
11923 /* kludge: allow timeout for initial "feature" command */
11925 DisplayMessage("", _("Starting second chess program"));
11926 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
11934 TwoMachinesEvent P((void))
11938 ChessProgramState *onmove;
11939 char *bookHit = NULL;
11941 if (appData.noChessProgram) return;
11943 switch (gameMode) {
11944 case TwoMachinesPlay:
11946 case MachinePlaysWhite:
11947 case MachinePlaysBlack:
11948 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11949 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11953 case BeginningOfGame:
11954 case PlayFromGameFile:
11957 if (gameMode != EditGame) return;
11960 EditPositionDone(TRUE);
11971 // forwardMostMove = currentMove;
11972 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11973 ResurrectChessProgram(); /* in case first program isn't running */
11975 if(WaitForSecond(TwoMachinesEventIfReady)) return;
11976 DisplayMessage("", "");
11977 InitChessProgram(&second, FALSE);
11978 SendToProgram("force\n", &second);
11979 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
11980 ScheduleDelayedEvent(TwoMachinesEvent, 10);
11983 if (startedFromSetupPosition) {
11984 SendBoard(&second, backwardMostMove);
11985 if (appData.debugMode) {
11986 fprintf(debugFP, "Two Machines\n");
11989 for (i = backwardMostMove; i < forwardMostMove; i++) {
11990 SendMoveToProgram(i, &second);
11993 gameMode = TwoMachinesPlay;
11997 DisplayTwoMachinesTitle();
11999 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
12005 SendToProgram(first.computerString, &first);
12006 if (first.sendName) {
12007 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
12008 SendToProgram(buf, &first);
12010 SendToProgram(second.computerString, &second);
12011 if (second.sendName) {
12012 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
12013 SendToProgram(buf, &second);
12017 if (!first.sendTime || !second.sendTime) {
12018 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12019 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12021 if (onmove->sendTime) {
12022 if (onmove->useColors) {
12023 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
12025 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
12027 if (onmove->useColors) {
12028 SendToProgram(onmove->twoMachinesColor, onmove);
12030 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
12031 // SendToProgram("go\n", onmove);
12032 onmove->maybeThinking = TRUE;
12033 SetMachineThinkingEnables();
12037 if(bookHit) { // [HGM] book: simulate book reply
12038 static char bookMove[MSG_SIZ]; // a bit generous?
12040 programStats.nodes = programStats.depth = programStats.time =
12041 programStats.score = programStats.got_only_move = 0;
12042 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12044 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12045 strcat(bookMove, bookHit);
12046 savedMessage = bookMove; // args for deferred call
12047 savedState = onmove;
12048 ScheduleDelayedEvent(DeferredBookMove, 1);
12055 if (gameMode == Training) {
12056 SetTrainingModeOff();
12057 gameMode = PlayFromGameFile;
12058 DisplayMessage("", _("Training mode off"));
12060 gameMode = Training;
12061 animateTraining = appData.animate;
12063 /* make sure we are not already at the end of the game */
12064 if (currentMove < forwardMostMove) {
12065 SetTrainingModeOn();
12066 DisplayMessage("", _("Training mode on"));
12068 gameMode = PlayFromGameFile;
12069 DisplayError(_("Already at end of game"), 0);
12078 if (!appData.icsActive) return;
12079 switch (gameMode) {
12080 case IcsPlayingWhite:
12081 case IcsPlayingBlack:
12084 case BeginningOfGame:
12092 EditPositionDone(TRUE);
12105 gameMode = IcsIdle;
12116 switch (gameMode) {
12118 SetTrainingModeOff();
12120 case MachinePlaysWhite:
12121 case MachinePlaysBlack:
12122 case BeginningOfGame:
12123 SendToProgram("force\n", &first);
12124 SetUserThinkingEnables();
12126 case PlayFromGameFile:
12127 (void) StopLoadGameTimer();
12128 if (gameFileFP != NULL) {
12133 EditPositionDone(TRUE);
12138 SendToProgram("force\n", &first);
12140 case TwoMachinesPlay:
12141 GameEnds(EndOfFile, NULL, GE_PLAYER);
12142 ResurrectChessProgram();
12143 SetUserThinkingEnables();
12146 ResurrectChessProgram();
12148 case IcsPlayingBlack:
12149 case IcsPlayingWhite:
12150 DisplayError(_("Warning: You are still playing a game"), 0);
12153 DisplayError(_("Warning: You are still observing a game"), 0);
12156 DisplayError(_("Warning: You are still examining a game"), 0);
12167 first.offeredDraw = second.offeredDraw = 0;
12169 if (gameMode == PlayFromGameFile) {
12170 whiteTimeRemaining = timeRemaining[0][currentMove];
12171 blackTimeRemaining = timeRemaining[1][currentMove];
12175 if (gameMode == MachinePlaysWhite ||
12176 gameMode == MachinePlaysBlack ||
12177 gameMode == TwoMachinesPlay ||
12178 gameMode == EndOfGame) {
12179 i = forwardMostMove;
12180 while (i > currentMove) {
12181 SendToProgram("undo\n", &first);
12184 whiteTimeRemaining = timeRemaining[0][currentMove];
12185 blackTimeRemaining = timeRemaining[1][currentMove];
12186 DisplayBothClocks();
12187 if (whiteFlag || blackFlag) {
12188 whiteFlag = blackFlag = 0;
12193 gameMode = EditGame;
12200 EditPositionEvent()
12202 if (gameMode == EditPosition) {
12208 if (gameMode != EditGame) return;
12210 gameMode = EditPosition;
12213 if (currentMove > 0)
12214 CopyBoard(boards[0], boards[currentMove]);
12216 blackPlaysFirst = !WhiteOnMove(currentMove);
12218 currentMove = forwardMostMove = backwardMostMove = 0;
12219 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12226 /* [DM] icsEngineAnalyze - possible call from other functions */
12227 if (appData.icsEngineAnalyze) {
12228 appData.icsEngineAnalyze = FALSE;
12230 DisplayMessage("",_("Close ICS engine analyze..."));
12232 if (first.analysisSupport && first.analyzing) {
12233 SendToProgram("exit\n", &first);
12234 first.analyzing = FALSE;
12236 thinkOutput[0] = NULLCHAR;
12240 EditPositionDone(Boolean fakeRights)
12242 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12244 startedFromSetupPosition = TRUE;
12245 InitChessProgram(&first, FALSE);
12246 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12247 boards[0][EP_STATUS] = EP_NONE;
12248 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12249 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12250 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12251 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12252 } else boards[0][CASTLING][2] = NoRights;
12253 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12254 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12255 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12256 } else boards[0][CASTLING][5] = NoRights;
12258 SendToProgram("force\n", &first);
12259 if (blackPlaysFirst) {
12260 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12261 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12262 currentMove = forwardMostMove = backwardMostMove = 1;
12263 CopyBoard(boards[1], boards[0]);
12265 currentMove = forwardMostMove = backwardMostMove = 0;
12267 SendBoard(&first, forwardMostMove);
12268 if (appData.debugMode) {
12269 fprintf(debugFP, "EditPosDone\n");
12272 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12273 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12274 gameMode = EditGame;
12276 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12277 ClearHighlights(); /* [AS] */
12280 /* Pause for `ms' milliseconds */
12281 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12291 } while (SubtractTimeMarks(&m2, &m1) < ms);
12294 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12296 SendMultiLineToICS(buf)
12299 char temp[MSG_SIZ+1], *p;
12306 strncpy(temp, buf, len);
12311 if (*p == '\n' || *p == '\r')
12316 strcat(temp, "\n");
12318 SendToPlayer(temp, strlen(temp));
12322 SetWhiteToPlayEvent()
12324 if (gameMode == EditPosition) {
12325 blackPlaysFirst = FALSE;
12326 DisplayBothClocks(); /* works because currentMove is 0 */
12327 } else if (gameMode == IcsExamining) {
12328 SendToICS(ics_prefix);
12329 SendToICS("tomove white\n");
12334 SetBlackToPlayEvent()
12336 if (gameMode == EditPosition) {
12337 blackPlaysFirst = TRUE;
12338 currentMove = 1; /* kludge */
12339 DisplayBothClocks();
12341 } else if (gameMode == IcsExamining) {
12342 SendToICS(ics_prefix);
12343 SendToICS("tomove black\n");
12348 EditPositionMenuEvent(selection, x, y)
12349 ChessSquare selection;
12353 ChessSquare piece = boards[0][y][x];
12355 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12357 switch (selection) {
12359 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12360 SendToICS(ics_prefix);
12361 SendToICS("bsetup clear\n");
12362 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12363 SendToICS(ics_prefix);
12364 SendToICS("clearboard\n");
12366 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12367 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12368 for (y = 0; y < BOARD_HEIGHT; y++) {
12369 if (gameMode == IcsExamining) {
12370 if (boards[currentMove][y][x] != EmptySquare) {
12371 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
12376 boards[0][y][x] = p;
12381 if (gameMode == EditPosition) {
12382 DrawPosition(FALSE, boards[0]);
12387 SetWhiteToPlayEvent();
12391 SetBlackToPlayEvent();
12395 if (gameMode == IcsExamining) {
12396 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12397 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12400 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12401 if(x == BOARD_LEFT-2) {
12402 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12403 boards[0][y][1] = 0;
12405 if(x == BOARD_RGHT+1) {
12406 if(y >= gameInfo.holdingsSize) break;
12407 boards[0][y][BOARD_WIDTH-2] = 0;
12410 boards[0][y][x] = EmptySquare;
12411 DrawPosition(FALSE, boards[0]);
12416 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12417 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12418 selection = (ChessSquare) (PROMOTED piece);
12419 } else if(piece == EmptySquare) selection = WhiteSilver;
12420 else selection = (ChessSquare)((int)piece - 1);
12424 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12425 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12426 selection = (ChessSquare) (DEMOTED piece);
12427 } else if(piece == EmptySquare) selection = BlackSilver;
12428 else selection = (ChessSquare)((int)piece + 1);
12433 if(gameInfo.variant == VariantShatranj ||
12434 gameInfo.variant == VariantXiangqi ||
12435 gameInfo.variant == VariantCourier ||
12436 gameInfo.variant == VariantMakruk )
12437 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12442 if(gameInfo.variant == VariantXiangqi)
12443 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12444 if(gameInfo.variant == VariantKnightmate)
12445 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12448 if (gameMode == IcsExamining) {
12449 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12450 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
12451 PieceToChar(selection), AAA + x, ONE + y);
12454 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12456 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12457 n = PieceToNumber(selection - BlackPawn);
12458 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12459 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12460 boards[0][BOARD_HEIGHT-1-n][1]++;
12462 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12463 n = PieceToNumber(selection);
12464 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12465 boards[0][n][BOARD_WIDTH-1] = selection;
12466 boards[0][n][BOARD_WIDTH-2]++;
12469 boards[0][y][x] = selection;
12470 DrawPosition(TRUE, boards[0]);
12478 DropMenuEvent(selection, x, y)
12479 ChessSquare selection;
12482 ChessMove moveType;
12484 switch (gameMode) {
12485 case IcsPlayingWhite:
12486 case MachinePlaysBlack:
12487 if (!WhiteOnMove(currentMove)) {
12488 DisplayMoveError(_("It is Black's turn"));
12491 moveType = WhiteDrop;
12493 case IcsPlayingBlack:
12494 case MachinePlaysWhite:
12495 if (WhiteOnMove(currentMove)) {
12496 DisplayMoveError(_("It is White's turn"));
12499 moveType = BlackDrop;
12502 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12508 if (moveType == BlackDrop && selection < BlackPawn) {
12509 selection = (ChessSquare) ((int) selection
12510 + (int) BlackPawn - (int) WhitePawn);
12512 if (boards[currentMove][y][x] != EmptySquare) {
12513 DisplayMoveError(_("That square is occupied"));
12517 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12523 /* Accept a pending offer of any kind from opponent */
12525 if (appData.icsActive) {
12526 SendToICS(ics_prefix);
12527 SendToICS("accept\n");
12528 } else if (cmailMsgLoaded) {
12529 if (currentMove == cmailOldMove &&
12530 commentList[cmailOldMove] != NULL &&
12531 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12532 "Black offers a draw" : "White offers a draw")) {
12534 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12535 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12537 DisplayError(_("There is no pending offer on this move"), 0);
12538 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12541 /* Not used for offers from chess program */
12548 /* Decline a pending offer of any kind from opponent */
12550 if (appData.icsActive) {
12551 SendToICS(ics_prefix);
12552 SendToICS("decline\n");
12553 } else if (cmailMsgLoaded) {
12554 if (currentMove == cmailOldMove &&
12555 commentList[cmailOldMove] != NULL &&
12556 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12557 "Black offers a draw" : "White offers a draw")) {
12559 AppendComment(cmailOldMove, "Draw declined", TRUE);
12560 DisplayComment(cmailOldMove - 1, "Draw declined");
12563 DisplayError(_("There is no pending offer on this move"), 0);
12566 /* Not used for offers from chess program */
12573 /* Issue ICS rematch command */
12574 if (appData.icsActive) {
12575 SendToICS(ics_prefix);
12576 SendToICS("rematch\n");
12583 /* Call your opponent's flag (claim a win on time) */
12584 if (appData.icsActive) {
12585 SendToICS(ics_prefix);
12586 SendToICS("flag\n");
12588 switch (gameMode) {
12591 case MachinePlaysWhite:
12594 GameEnds(GameIsDrawn, "Both players ran out of time",
12597 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12599 DisplayError(_("Your opponent is not out of time"), 0);
12602 case MachinePlaysBlack:
12605 GameEnds(GameIsDrawn, "Both players ran out of time",
12608 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12610 DisplayError(_("Your opponent is not out of time"), 0);
12620 /* Offer draw or accept pending draw offer from opponent */
12622 if (appData.icsActive) {
12623 /* Note: tournament rules require draw offers to be
12624 made after you make your move but before you punch
12625 your clock. Currently ICS doesn't let you do that;
12626 instead, you immediately punch your clock after making
12627 a move, but you can offer a draw at any time. */
12629 SendToICS(ics_prefix);
12630 SendToICS("draw\n");
12631 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12632 } else if (cmailMsgLoaded) {
12633 if (currentMove == cmailOldMove &&
12634 commentList[cmailOldMove] != NULL &&
12635 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12636 "Black offers a draw" : "White offers a draw")) {
12637 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12638 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12639 } else if (currentMove == cmailOldMove + 1) {
12640 char *offer = WhiteOnMove(cmailOldMove) ?
12641 "White offers a draw" : "Black offers a draw";
12642 AppendComment(currentMove, offer, TRUE);
12643 DisplayComment(currentMove - 1, offer);
12644 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12646 DisplayError(_("You must make your move before offering a draw"), 0);
12647 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12649 } else if (first.offeredDraw) {
12650 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12652 if (first.sendDrawOffers) {
12653 SendToProgram("draw\n", &first);
12654 userOfferedDraw = TRUE;
12662 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12664 if (appData.icsActive) {
12665 SendToICS(ics_prefix);
12666 SendToICS("adjourn\n");
12668 /* Currently GNU Chess doesn't offer or accept Adjourns */
12676 /* Offer Abort or accept pending Abort offer from opponent */
12678 if (appData.icsActive) {
12679 SendToICS(ics_prefix);
12680 SendToICS("abort\n");
12682 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12689 /* Resign. You can do this even if it's not your turn. */
12691 if (appData.icsActive) {
12692 SendToICS(ics_prefix);
12693 SendToICS("resign\n");
12695 switch (gameMode) {
12696 case MachinePlaysWhite:
12697 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12699 case MachinePlaysBlack:
12700 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12703 if (cmailMsgLoaded) {
12705 if (WhiteOnMove(cmailOldMove)) {
12706 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12708 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12710 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12721 StopObservingEvent()
12723 /* Stop observing current games */
12724 SendToICS(ics_prefix);
12725 SendToICS("unobserve\n");
12729 StopExaminingEvent()
12731 /* Stop observing current game */
12732 SendToICS(ics_prefix);
12733 SendToICS("unexamine\n");
12737 ForwardInner(target)
12742 if (appData.debugMode)
12743 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12744 target, currentMove, forwardMostMove);
12746 if (gameMode == EditPosition)
12749 if (gameMode == PlayFromGameFile && !pausing)
12752 if (gameMode == IcsExamining && pausing)
12753 limit = pauseExamForwardMostMove;
12755 limit = forwardMostMove;
12757 if (target > limit) target = limit;
12759 if (target > 0 && moveList[target - 1][0]) {
12760 int fromX, fromY, toX, toY;
12761 toX = moveList[target - 1][2] - AAA;
12762 toY = moveList[target - 1][3] - ONE;
12763 if (moveList[target - 1][1] == '@') {
12764 if (appData.highlightLastMove) {
12765 SetHighlights(-1, -1, toX, toY);
12768 fromX = moveList[target - 1][0] - AAA;
12769 fromY = moveList[target - 1][1] - ONE;
12770 if (target == currentMove + 1) {
12771 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12773 if (appData.highlightLastMove) {
12774 SetHighlights(fromX, fromY, toX, toY);
12778 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12779 gameMode == Training || gameMode == PlayFromGameFile ||
12780 gameMode == AnalyzeFile) {
12781 while (currentMove < target) {
12782 SendMoveToProgram(currentMove++, &first);
12785 currentMove = target;
12788 if (gameMode == EditGame || gameMode == EndOfGame) {
12789 whiteTimeRemaining = timeRemaining[0][currentMove];
12790 blackTimeRemaining = timeRemaining[1][currentMove];
12792 DisplayBothClocks();
12793 DisplayMove(currentMove - 1);
12794 DrawPosition(FALSE, boards[currentMove]);
12795 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12796 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12797 DisplayComment(currentMove - 1, commentList[currentMove]);
12805 if (gameMode == IcsExamining && !pausing) {
12806 SendToICS(ics_prefix);
12807 SendToICS("forward\n");
12809 ForwardInner(currentMove + 1);
12816 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12817 /* to optimze, we temporarily turn off analysis mode while we feed
12818 * the remaining moves to the engine. Otherwise we get analysis output
12821 if (first.analysisSupport) {
12822 SendToProgram("exit\nforce\n", &first);
12823 first.analyzing = FALSE;
12827 if (gameMode == IcsExamining && !pausing) {
12828 SendToICS(ics_prefix);
12829 SendToICS("forward 999999\n");
12831 ForwardInner(forwardMostMove);
12834 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12835 /* we have fed all the moves, so reactivate analysis mode */
12836 SendToProgram("analyze\n", &first);
12837 first.analyzing = TRUE;
12838 /*first.maybeThinking = TRUE;*/
12839 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12844 BackwardInner(target)
12847 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12849 if (appData.debugMode)
12850 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12851 target, currentMove, forwardMostMove);
12853 if (gameMode == EditPosition) return;
12854 if (currentMove <= backwardMostMove) {
12856 DrawPosition(full_redraw, boards[currentMove]);
12859 if (gameMode == PlayFromGameFile && !pausing)
12862 if (moveList[target][0]) {
12863 int fromX, fromY, toX, toY;
12864 toX = moveList[target][2] - AAA;
12865 toY = moveList[target][3] - ONE;
12866 if (moveList[target][1] == '@') {
12867 if (appData.highlightLastMove) {
12868 SetHighlights(-1, -1, toX, toY);
12871 fromX = moveList[target][0] - AAA;
12872 fromY = moveList[target][1] - ONE;
12873 if (target == currentMove - 1) {
12874 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12876 if (appData.highlightLastMove) {
12877 SetHighlights(fromX, fromY, toX, toY);
12881 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12882 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12883 while (currentMove > target) {
12884 SendToProgram("undo\n", &first);
12888 currentMove = target;
12891 if (gameMode == EditGame || gameMode == EndOfGame) {
12892 whiteTimeRemaining = timeRemaining[0][currentMove];
12893 blackTimeRemaining = timeRemaining[1][currentMove];
12895 DisplayBothClocks();
12896 DisplayMove(currentMove - 1);
12897 DrawPosition(full_redraw, boards[currentMove]);
12898 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12899 // [HGM] PV info: routine tests if comment empty
12900 DisplayComment(currentMove - 1, commentList[currentMove]);
12906 if (gameMode == IcsExamining && !pausing) {
12907 SendToICS(ics_prefix);
12908 SendToICS("backward\n");
12910 BackwardInner(currentMove - 1);
12917 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12918 /* to optimize, we temporarily turn off analysis mode while we undo
12919 * all the moves. Otherwise we get analysis output after each undo.
12921 if (first.analysisSupport) {
12922 SendToProgram("exit\nforce\n", &first);
12923 first.analyzing = FALSE;
12927 if (gameMode == IcsExamining && !pausing) {
12928 SendToICS(ics_prefix);
12929 SendToICS("backward 999999\n");
12931 BackwardInner(backwardMostMove);
12934 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12935 /* we have fed all the moves, so reactivate analysis mode */
12936 SendToProgram("analyze\n", &first);
12937 first.analyzing = TRUE;
12938 /*first.maybeThinking = TRUE;*/
12939 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12946 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12947 if (to >= forwardMostMove) to = forwardMostMove;
12948 if (to <= backwardMostMove) to = backwardMostMove;
12949 if (to < currentMove) {
12957 RevertEvent(Boolean annotate)
12959 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12962 if (gameMode != IcsExamining) {
12963 DisplayError(_("You are not examining a game"), 0);
12967 DisplayError(_("You can't revert while pausing"), 0);
12970 SendToICS(ics_prefix);
12971 SendToICS("revert\n");
12977 switch (gameMode) {
12978 case MachinePlaysWhite:
12979 case MachinePlaysBlack:
12980 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12981 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12984 if (forwardMostMove < 2) return;
12985 currentMove = forwardMostMove = forwardMostMove - 2;
12986 whiteTimeRemaining = timeRemaining[0][currentMove];
12987 blackTimeRemaining = timeRemaining[1][currentMove];
12988 DisplayBothClocks();
12989 DisplayMove(currentMove - 1);
12990 ClearHighlights();/*!! could figure this out*/
12991 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12992 SendToProgram("remove\n", &first);
12993 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12996 case BeginningOfGame:
13000 case IcsPlayingWhite:
13001 case IcsPlayingBlack:
13002 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
13003 SendToICS(ics_prefix);
13004 SendToICS("takeback 2\n");
13006 SendToICS(ics_prefix);
13007 SendToICS("takeback 1\n");
13016 ChessProgramState *cps;
13018 switch (gameMode) {
13019 case MachinePlaysWhite:
13020 if (!WhiteOnMove(forwardMostMove)) {
13021 DisplayError(_("It is your turn"), 0);
13026 case MachinePlaysBlack:
13027 if (WhiteOnMove(forwardMostMove)) {
13028 DisplayError(_("It is your turn"), 0);
13033 case TwoMachinesPlay:
13034 if (WhiteOnMove(forwardMostMove) ==
13035 (first.twoMachinesColor[0] == 'w')) {
13041 case BeginningOfGame:
13045 SendToProgram("?\n", cps);
13049 TruncateGameEvent()
13052 if (gameMode != EditGame) return;
13059 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
13060 if (forwardMostMove > currentMove) {
13061 if (gameInfo.resultDetails != NULL) {
13062 free(gameInfo.resultDetails);
13063 gameInfo.resultDetails = NULL;
13064 gameInfo.result = GameUnfinished;
13066 forwardMostMove = currentMove;
13067 HistorySet(parseList, backwardMostMove, forwardMostMove,
13075 if (appData.noChessProgram) return;
13076 switch (gameMode) {
13077 case MachinePlaysWhite:
13078 if (WhiteOnMove(forwardMostMove)) {
13079 DisplayError(_("Wait until your turn"), 0);
13083 case BeginningOfGame:
13084 case MachinePlaysBlack:
13085 if (!WhiteOnMove(forwardMostMove)) {
13086 DisplayError(_("Wait until your turn"), 0);
13091 DisplayError(_("No hint available"), 0);
13094 SendToProgram("hint\n", &first);
13095 hintRequested = TRUE;
13101 if (appData.noChessProgram) return;
13102 switch (gameMode) {
13103 case MachinePlaysWhite:
13104 if (WhiteOnMove(forwardMostMove)) {
13105 DisplayError(_("Wait until your turn"), 0);
13109 case BeginningOfGame:
13110 case MachinePlaysBlack:
13111 if (!WhiteOnMove(forwardMostMove)) {
13112 DisplayError(_("Wait until your turn"), 0);
13117 EditPositionDone(TRUE);
13119 case TwoMachinesPlay:
13124 SendToProgram("bk\n", &first);
13125 bookOutput[0] = NULLCHAR;
13126 bookRequested = TRUE;
13132 char *tags = PGNTags(&gameInfo);
13133 TagsPopUp(tags, CmailMsg());
13137 /* end button procedures */
13140 PrintPosition(fp, move)
13146 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13147 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13148 char c = PieceToChar(boards[move][i][j]);
13149 fputc(c == 'x' ? '.' : c, fp);
13150 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13153 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13154 fprintf(fp, "white to play\n");
13156 fprintf(fp, "black to play\n");
13163 if (gameInfo.white != NULL) {
13164 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13170 /* Find last component of program's own name, using some heuristics */
13172 TidyProgramName(prog, host, buf)
13173 char *prog, *host, buf[MSG_SIZ];
13176 int local = (strcmp(host, "localhost") == 0);
13177 while (!local && (p = strchr(prog, ';')) != NULL) {
13179 while (*p == ' ') p++;
13182 if (*prog == '"' || *prog == '\'') {
13183 q = strchr(prog + 1, *prog);
13185 q = strchr(prog, ' ');
13187 if (q == NULL) q = prog + strlen(prog);
13189 while (p >= prog && *p != '/' && *p != '\\') p--;
13191 if(p == prog && *p == '"') p++;
13192 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13193 memcpy(buf, p, q - p);
13194 buf[q - p] = NULLCHAR;
13202 TimeControlTagValue()
13205 if (!appData.clockMode) {
13206 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
13207 } else if (movesPerSession > 0) {
13208 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
13209 } else if (timeIncrement == 0) {
13210 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
13212 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13214 return StrSave(buf);
13220 /* This routine is used only for certain modes */
13221 VariantClass v = gameInfo.variant;
13222 ChessMove r = GameUnfinished;
13225 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13226 r = gameInfo.result;
13227 p = gameInfo.resultDetails;
13228 gameInfo.resultDetails = NULL;
13230 ClearGameInfo(&gameInfo);
13231 gameInfo.variant = v;
13233 switch (gameMode) {
13234 case MachinePlaysWhite:
13235 gameInfo.event = StrSave( appData.pgnEventHeader );
13236 gameInfo.site = StrSave(HostName());
13237 gameInfo.date = PGNDate();
13238 gameInfo.round = StrSave("-");
13239 gameInfo.white = StrSave(first.tidy);
13240 gameInfo.black = StrSave(UserName());
13241 gameInfo.timeControl = TimeControlTagValue();
13244 case MachinePlaysBlack:
13245 gameInfo.event = StrSave( appData.pgnEventHeader );
13246 gameInfo.site = StrSave(HostName());
13247 gameInfo.date = PGNDate();
13248 gameInfo.round = StrSave("-");
13249 gameInfo.white = StrSave(UserName());
13250 gameInfo.black = StrSave(first.tidy);
13251 gameInfo.timeControl = TimeControlTagValue();
13254 case TwoMachinesPlay:
13255 gameInfo.event = StrSave( appData.pgnEventHeader );
13256 gameInfo.site = StrSave(HostName());
13257 gameInfo.date = PGNDate();
13258 if (matchGame > 0) {
13260 snprintf(buf, MSG_SIZ, "%d", matchGame);
13261 gameInfo.round = StrSave(buf);
13263 gameInfo.round = StrSave("-");
13265 if (first.twoMachinesColor[0] == 'w') {
13266 gameInfo.white = StrSave(first.tidy);
13267 gameInfo.black = StrSave(second.tidy);
13269 gameInfo.white = StrSave(second.tidy);
13270 gameInfo.black = StrSave(first.tidy);
13272 gameInfo.timeControl = TimeControlTagValue();
13276 gameInfo.event = StrSave("Edited game");
13277 gameInfo.site = StrSave(HostName());
13278 gameInfo.date = PGNDate();
13279 gameInfo.round = StrSave("-");
13280 gameInfo.white = StrSave("-");
13281 gameInfo.black = StrSave("-");
13282 gameInfo.result = r;
13283 gameInfo.resultDetails = p;
13287 gameInfo.event = StrSave("Edited position");
13288 gameInfo.site = StrSave(HostName());
13289 gameInfo.date = PGNDate();
13290 gameInfo.round = StrSave("-");
13291 gameInfo.white = StrSave("-");
13292 gameInfo.black = StrSave("-");
13295 case IcsPlayingWhite:
13296 case IcsPlayingBlack:
13301 case PlayFromGameFile:
13302 gameInfo.event = StrSave("Game from non-PGN file");
13303 gameInfo.site = StrSave(HostName());
13304 gameInfo.date = PGNDate();
13305 gameInfo.round = StrSave("-");
13306 gameInfo.white = StrSave("?");
13307 gameInfo.black = StrSave("?");
13316 ReplaceComment(index, text)
13324 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
13325 pvInfoList[index-1].depth == len &&
13326 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
13327 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
13328 while (*text == '\n') text++;
13329 len = strlen(text);
13330 while (len > 0 && text[len - 1] == '\n') len--;
13332 if (commentList[index] != NULL)
13333 free(commentList[index]);
13336 commentList[index] = NULL;
13339 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13340 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13341 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13342 commentList[index] = (char *) malloc(len + 2);
13343 strncpy(commentList[index], text, len);
13344 commentList[index][len] = '\n';
13345 commentList[index][len + 1] = NULLCHAR;
13347 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13349 commentList[index] = (char *) malloc(len + 7);
13350 safeStrCpy(commentList[index], "{\n", 3);
13351 safeStrCpy(commentList[index]+2, text, len+1);
13352 commentList[index][len+2] = NULLCHAR;
13353 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13354 strcat(commentList[index], "\n}\n");
13368 if (ch == '\r') continue;
13370 } while (ch != '\0');
13374 AppendComment(index, text, addBraces)
13377 Boolean addBraces; // [HGM] braces: tells if we should add {}
13382 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13383 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13386 while (*text == '\n') text++;
13387 len = strlen(text);
13388 while (len > 0 && text[len - 1] == '\n') len--;
13390 if (len == 0) return;
13392 if (commentList[index] != NULL) {
13393 old = commentList[index];
13394 oldlen = strlen(old);
13395 while(commentList[index][oldlen-1] == '\n')
13396 commentList[index][--oldlen] = NULLCHAR;
13397 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13398 safeStrCpy(commentList[index], old, oldlen + len + 6);
13400 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13401 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
13402 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
13403 while (*text == '\n') { text++; len--; }
13404 commentList[index][--oldlen] = NULLCHAR;
13406 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
13407 else strcat(commentList[index], "\n");
13408 strcat(commentList[index], text);
13409 if(addBraces) strcat(commentList[index], addBraces == 2 ? ")\n" : "\n}\n");
13410 else strcat(commentList[index], "\n");
13412 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13414 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
13415 else commentList[index][0] = NULLCHAR;
13416 strcat(commentList[index], text);
13417 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
13418 if(addBraces == TRUE) strcat(commentList[index], "}\n");
13422 static char * FindStr( char * text, char * sub_text )
13424 char * result = strstr( text, sub_text );
13426 if( result != NULL ) {
13427 result += strlen( sub_text );
13433 /* [AS] Try to extract PV info from PGN comment */
13434 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13435 char *GetInfoFromComment( int index, char * text )
13437 char * sep = text, *p;
13439 if( text != NULL && index > 0 ) {
13442 int time = -1, sec = 0, deci;
13443 char * s_eval = FindStr( text, "[%eval " );
13444 char * s_emt = FindStr( text, "[%emt " );
13446 if( s_eval != NULL || s_emt != NULL ) {
13450 if( s_eval != NULL ) {
13451 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13455 if( delim != ']' ) {
13460 if( s_emt != NULL ) {
13465 /* We expect something like: [+|-]nnn.nn/dd */
13468 if(*text != '{') return text; // [HGM] braces: must be normal comment
13470 sep = strchr( text, '/' );
13471 if( sep == NULL || sep < (text+4) ) {
13476 if(p[1] == '(') { // comment starts with PV
13477 p = strchr(p, ')'); // locate end of PV
13478 if(p == NULL || sep < p+5) return text;
13479 // at this point we have something like "{(.*) +0.23/6 ..."
13480 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
13481 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
13482 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
13484 time = -1; sec = -1; deci = -1;
13485 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13486 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13487 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13488 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13492 if( score_lo < 0 || score_lo >= 100 ) {
13496 if(sec >= 0) time = 600*time + 10*sec; else
13497 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13499 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13501 /* [HGM] PV time: now locate end of PV info */
13502 while( *++sep >= '0' && *sep <= '9'); // strip depth
13504 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
13506 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13508 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13509 while(*sep == ' ') sep++;
13520 pvInfoList[index-1].depth = depth;
13521 pvInfoList[index-1].score = score;
13522 pvInfoList[index-1].time = 10*time; // centi-sec
13523 if(*sep == '}') *sep = 0; else *--sep = '{';
13524 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
13530 SendToProgram(message, cps)
13532 ChessProgramState *cps;
13534 int count, outCount, error;
13537 if (cps->pr == NULL) return;
13540 if (appData.debugMode) {
13543 fprintf(debugFP, "%ld >%-6s: %s",
13544 SubtractTimeMarks(&now, &programStartTime),
13545 cps->which, message);
13548 count = strlen(message);
13549 outCount = OutputToProcess(cps->pr, message, count, &error);
13550 if (outCount < count && !exiting
13551 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13552 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), cps->which);
13553 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13554 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13555 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13556 snprintf(buf, MSG_SIZ, "%s program exits in draw position (%s)", cps->which, cps->program);
13558 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13560 gameInfo.resultDetails = StrSave(buf);
13562 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13567 ReceiveFromProgram(isr, closure, message, count, error)
13568 InputSourceRef isr;
13576 ChessProgramState *cps = (ChessProgramState *)closure;
13578 if (isr != cps->isr) return; /* Killed intentionally */
13581 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
13582 cps->which, cps->program);
13583 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13584 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13585 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13586 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13588 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13590 gameInfo.resultDetails = StrSave(buf);
13592 RemoveInputSource(cps->isr);
13593 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13595 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
13596 cps->which, cps->program);
13597 RemoveInputSource(cps->isr);
13599 /* [AS] Program is misbehaving badly... kill it */
13600 if( count == -2 ) {
13601 DestroyChildProcess( cps->pr, 9 );
13605 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13610 if ((end_str = strchr(message, '\r')) != NULL)
13611 *end_str = NULLCHAR;
13612 if ((end_str = strchr(message, '\n')) != NULL)
13613 *end_str = NULLCHAR;
13615 if (appData.debugMode) {
13616 TimeMark now; int print = 1;
13617 char *quote = ""; char c; int i;
13619 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13620 char start = message[0];
13621 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13622 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13623 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13624 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13625 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13626 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13627 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13628 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
13629 sscanf(message, "hint: %c", &c)!=1 &&
13630 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13631 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13632 print = (appData.engineComments >= 2);
13634 message[0] = start; // restore original message
13638 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13639 SubtractTimeMarks(&now, &programStartTime), cps->which,
13645 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13646 if (appData.icsEngineAnalyze) {
13647 if (strstr(message, "whisper") != NULL ||
13648 strstr(message, "kibitz") != NULL ||
13649 strstr(message, "tellics") != NULL) return;
13652 HandleMachineMove(message, cps);
13657 SendTimeControl(cps, mps, tc, inc, sd, st)
13658 ChessProgramState *cps;
13659 int mps, inc, sd, st;
13665 if( timeControl_2 > 0 ) {
13666 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13667 tc = timeControl_2;
13670 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13671 inc /= cps->timeOdds;
13672 st /= cps->timeOdds;
13674 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13677 /* Set exact time per move, normally using st command */
13678 if (cps->stKludge) {
13679 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13681 if (seconds == 0) {
13682 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
13684 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
13687 snprintf(buf, MSG_SIZ, "st %d\n", st);
13690 /* Set conventional or incremental time control, using level command */
13691 if (seconds == 0) {
13692 /* Note old gnuchess bug -- minutes:seconds used to not work.
13693 Fixed in later versions, but still avoid :seconds
13694 when seconds is 0. */
13695 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
13697 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
13698 seconds, inc/1000.);
13701 SendToProgram(buf, cps);
13703 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13704 /* Orthogonally, limit search to given depth */
13706 if (cps->sdKludge) {
13707 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
13709 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
13711 SendToProgram(buf, cps);
13714 if(cps->nps > 0) { /* [HGM] nps */
13715 if(cps->supportsNPS == FALSE)
13716 cps->nps = -1; // don't use if engine explicitly says not supported!
13718 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
13719 SendToProgram(buf, cps);
13724 ChessProgramState *WhitePlayer()
13725 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13727 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13728 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13734 SendTimeRemaining(cps, machineWhite)
13735 ChessProgramState *cps;
13736 int /*boolean*/ machineWhite;
13738 char message[MSG_SIZ];
13741 /* Note: this routine must be called when the clocks are stopped
13742 or when they have *just* been set or switched; otherwise
13743 it will be off by the time since the current tick started.
13745 if (machineWhite) {
13746 time = whiteTimeRemaining / 10;
13747 otime = blackTimeRemaining / 10;
13749 time = blackTimeRemaining / 10;
13750 otime = whiteTimeRemaining / 10;
13752 /* [HGM] translate opponent's time by time-odds factor */
13753 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13754 if (appData.debugMode) {
13755 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13758 if (time <= 0) time = 1;
13759 if (otime <= 0) otime = 1;
13761 snprintf(message, MSG_SIZ, "time %ld\n", time);
13762 SendToProgram(message, cps);
13764 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
13765 SendToProgram(message, cps);
13769 BoolFeature(p, name, loc, cps)
13773 ChessProgramState *cps;
13776 int len = strlen(name);
13779 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13781 sscanf(*p, "%d", &val);
13783 while (**p && **p != ' ')
13785 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13786 SendToProgram(buf, cps);
13793 IntFeature(p, name, loc, cps)
13797 ChessProgramState *cps;
13800 int len = strlen(name);
13801 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13803 sscanf(*p, "%d", loc);
13804 while (**p && **p != ' ') (*p)++;
13805 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13806 SendToProgram(buf, cps);
13813 StringFeature(p, name, loc, cps)
13817 ChessProgramState *cps;
13820 int len = strlen(name);
13821 if (strncmp((*p), name, len) == 0
13822 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13824 sscanf(*p, "%[^\"]", loc);
13825 while (**p && **p != '\"') (*p)++;
13826 if (**p == '\"') (*p)++;
13827 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13828 SendToProgram(buf, cps);
13835 ParseOption(Option *opt, ChessProgramState *cps)
13836 // [HGM] options: process the string that defines an engine option, and determine
13837 // name, type, default value, and allowed value range
13839 char *p, *q, buf[MSG_SIZ];
13840 int n, min = (-1)<<31, max = 1<<31, def;
13842 if(p = strstr(opt->name, " -spin ")) {
13843 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13844 if(max < min) max = min; // enforce consistency
13845 if(def < min) def = min;
13846 if(def > max) def = max;
13851 } else if((p = strstr(opt->name, " -slider "))) {
13852 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13853 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13854 if(max < min) max = min; // enforce consistency
13855 if(def < min) def = min;
13856 if(def > max) def = max;
13860 opt->type = Spin; // Slider;
13861 } else if((p = strstr(opt->name, " -string "))) {
13862 opt->textValue = p+9;
13863 opt->type = TextBox;
13864 } else if((p = strstr(opt->name, " -file "))) {
13865 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13866 opt->textValue = p+7;
13867 opt->type = TextBox; // FileName;
13868 } else if((p = strstr(opt->name, " -path "))) {
13869 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13870 opt->textValue = p+7;
13871 opt->type = TextBox; // PathName;
13872 } else if(p = strstr(opt->name, " -check ")) {
13873 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13874 opt->value = (def != 0);
13875 opt->type = CheckBox;
13876 } else if(p = strstr(opt->name, " -combo ")) {
13877 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13878 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13879 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13880 opt->value = n = 0;
13881 while(q = StrStr(q, " /// ")) {
13882 n++; *q = 0; // count choices, and null-terminate each of them
13884 if(*q == '*') { // remember default, which is marked with * prefix
13888 cps->comboList[cps->comboCnt++] = q;
13890 cps->comboList[cps->comboCnt++] = NULL;
13892 opt->type = ComboBox;
13893 } else if(p = strstr(opt->name, " -button")) {
13894 opt->type = Button;
13895 } else if(p = strstr(opt->name, " -save")) {
13896 opt->type = SaveButton;
13897 } else return FALSE;
13898 *p = 0; // terminate option name
13899 // now look if the command-line options define a setting for this engine option.
13900 if(cps->optionSettings && cps->optionSettings[0])
13901 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13902 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13903 snprintf(buf, MSG_SIZ, "option %s", p);
13904 if(p = strstr(buf, ",")) *p = 0;
13905 if(q = strchr(buf, '=')) switch(opt->type) {
13907 for(n=0; n<opt->max; n++)
13908 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
13911 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
13915 opt->value = atoi(q+1);
13920 SendToProgram(buf, cps);
13926 FeatureDone(cps, val)
13927 ChessProgramState* cps;
13930 DelayedEventCallback cb = GetDelayedEvent();
13931 if ((cb == InitBackEnd3 && cps == &first) ||
13932 (cb == SettingsMenuIfReady && cps == &second) ||
13933 (cb == TwoMachinesEventIfReady && cps == &second)) {
13934 CancelDelayedEvent();
13935 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13937 cps->initDone = val;
13940 /* Parse feature command from engine */
13942 ParseFeatures(args, cps)
13944 ChessProgramState *cps;
13952 while (*p == ' ') p++;
13953 if (*p == NULLCHAR) return;
13955 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13956 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13957 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13958 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13959 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13960 if (BoolFeature(&p, "reuse", &val, cps)) {
13961 /* Engine can disable reuse, but can't enable it if user said no */
13962 if (!val) cps->reuse = FALSE;
13965 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13966 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13967 if (gameMode == TwoMachinesPlay) {
13968 DisplayTwoMachinesTitle();
13974 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13975 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13976 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13977 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13978 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13979 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13980 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13981 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13982 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13983 if (IntFeature(&p, "done", &val, cps)) {
13984 FeatureDone(cps, val);
13987 /* Added by Tord: */
13988 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13989 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13990 /* End of additions by Tord */
13992 /* [HGM] added features: */
13993 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13994 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13995 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13996 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13997 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13998 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13999 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
14000 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
14001 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
14002 SendToProgram(buf, cps);
14005 if(cps->nrOptions >= MAX_OPTIONS) {
14007 snprintf(buf, MSG_SIZ, "%s engine has too many options\n", cps->which);
14008 DisplayError(buf, 0);
14012 /* End of additions by HGM */
14014 /* unknown feature: complain and skip */
14016 while (*q && *q != '=') q++;
14017 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
14018 SendToProgram(buf, cps);
14024 while (*p && *p != '\"') p++;
14025 if (*p == '\"') p++;
14027 while (*p && *p != ' ') p++;
14035 PeriodicUpdatesEvent(newState)
14038 if (newState == appData.periodicUpdates)
14041 appData.periodicUpdates=newState;
14043 /* Display type changes, so update it now */
14044 // DisplayAnalysis();
14046 /* Get the ball rolling again... */
14048 AnalysisPeriodicEvent(1);
14049 StartAnalysisClock();
14054 PonderNextMoveEvent(newState)
14057 if (newState == appData.ponderNextMove) return;
14058 if (gameMode == EditPosition) EditPositionDone(TRUE);
14060 SendToProgram("hard\n", &first);
14061 if (gameMode == TwoMachinesPlay) {
14062 SendToProgram("hard\n", &second);
14065 SendToProgram("easy\n", &first);
14066 thinkOutput[0] = NULLCHAR;
14067 if (gameMode == TwoMachinesPlay) {
14068 SendToProgram("easy\n", &second);
14071 appData.ponderNextMove = newState;
14075 NewSettingEvent(option, feature, command, value)
14077 int option, value, *feature;
14081 if (gameMode == EditPosition) EditPositionDone(TRUE);
14082 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
14083 if(feature == NULL || *feature) SendToProgram(buf, &first);
14084 if (gameMode == TwoMachinesPlay) {
14085 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
14090 ShowThinkingEvent()
14091 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
14093 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
14094 int newState = appData.showThinking
14095 // [HGM] thinking: other features now need thinking output as well
14096 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
14098 if (oldState == newState) return;
14099 oldState = newState;
14100 if (gameMode == EditPosition) EditPositionDone(TRUE);
14102 SendToProgram("post\n", &first);
14103 if (gameMode == TwoMachinesPlay) {
14104 SendToProgram("post\n", &second);
14107 SendToProgram("nopost\n", &first);
14108 thinkOutput[0] = NULLCHAR;
14109 if (gameMode == TwoMachinesPlay) {
14110 SendToProgram("nopost\n", &second);
14113 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
14117 AskQuestionEvent(title, question, replyPrefix, which)
14118 char *title; char *question; char *replyPrefix; char *which;
14120 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
14121 if (pr == NoProc) return;
14122 AskQuestion(title, question, replyPrefix, pr);
14126 DisplayMove(moveNumber)
14129 char message[MSG_SIZ];
14131 char cpThinkOutput[MSG_SIZ];
14133 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
14135 if (moveNumber == forwardMostMove - 1 ||
14136 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14138 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
14140 if (strchr(cpThinkOutput, '\n')) {
14141 *strchr(cpThinkOutput, '\n') = NULLCHAR;
14144 *cpThinkOutput = NULLCHAR;
14147 /* [AS] Hide thinking from human user */
14148 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
14149 *cpThinkOutput = NULLCHAR;
14150 if( thinkOutput[0] != NULLCHAR ) {
14153 for( i=0; i<=hiddenThinkOutputState; i++ ) {
14154 cpThinkOutput[i] = '.';
14156 cpThinkOutput[i] = NULLCHAR;
14157 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14161 if (moveNumber == forwardMostMove - 1 &&
14162 gameInfo.resultDetails != NULL) {
14163 if (gameInfo.resultDetails[0] == NULLCHAR) {
14164 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
14166 snprintf(res, MSG_SIZ, " {%s} %s",
14167 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
14173 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14174 DisplayMessage(res, cpThinkOutput);
14176 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
14177 WhiteOnMove(moveNumber) ? " " : ".. ",
14178 parseList[moveNumber], res);
14179 DisplayMessage(message, cpThinkOutput);
14184 DisplayComment(moveNumber, text)
14188 char title[MSG_SIZ];
14189 char buf[8000]; // comment can be long!
14192 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14193 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
14195 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
14196 WhiteOnMove(moveNumber) ? " " : ".. ",
14197 parseList[moveNumber]);
14199 // [HGM] PV info: display PV info together with (or as) comment
14200 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14201 if(text == NULL) text = "";
14202 score = pvInfoList[moveNumber].score;
14203 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14204 depth, (pvInfoList[moveNumber].time+50)/100, text);
14207 if (text != NULL && (appData.autoDisplayComment || commentUp))
14208 CommentPopUp(title, text);
14211 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14212 * might be busy thinking or pondering. It can be omitted if your
14213 * gnuchess is configured to stop thinking immediately on any user
14214 * input. However, that gnuchess feature depends on the FIONREAD
14215 * ioctl, which does not work properly on some flavors of Unix.
14219 ChessProgramState *cps;
14222 if (!cps->useSigint) return;
14223 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14224 switch (gameMode) {
14225 case MachinePlaysWhite:
14226 case MachinePlaysBlack:
14227 case TwoMachinesPlay:
14228 case IcsPlayingWhite:
14229 case IcsPlayingBlack:
14232 /* Skip if we know it isn't thinking */
14233 if (!cps->maybeThinking) return;
14234 if (appData.debugMode)
14235 fprintf(debugFP, "Interrupting %s\n", cps->which);
14236 InterruptChildProcess(cps->pr);
14237 cps->maybeThinking = FALSE;
14242 #endif /*ATTENTION*/
14248 if (whiteTimeRemaining <= 0) {
14251 if (appData.icsActive) {
14252 if (appData.autoCallFlag &&
14253 gameMode == IcsPlayingBlack && !blackFlag) {
14254 SendToICS(ics_prefix);
14255 SendToICS("flag\n");
14259 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14261 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14262 if (appData.autoCallFlag) {
14263 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14270 if (blackTimeRemaining <= 0) {
14273 if (appData.icsActive) {
14274 if (appData.autoCallFlag &&
14275 gameMode == IcsPlayingWhite && !whiteFlag) {
14276 SendToICS(ics_prefix);
14277 SendToICS("flag\n");
14281 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14283 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14284 if (appData.autoCallFlag) {
14285 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14298 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14299 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14302 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14304 if ( !WhiteOnMove(forwardMostMove) ) {
14305 /* White made time control */
14306 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
14307 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
14308 /* [HGM] time odds: correct new time quota for time odds! */
14309 / WhitePlayer()->timeOdds;
14310 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
14312 lastBlack -= blackTimeRemaining;
14313 /* Black made time control */
14314 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
14315 / WhitePlayer()->other->timeOdds;
14316 lastWhite = whiteTimeRemaining;
14321 DisplayBothClocks()
14323 int wom = gameMode == EditPosition ?
14324 !blackPlaysFirst : WhiteOnMove(currentMove);
14325 DisplayWhiteClock(whiteTimeRemaining, wom);
14326 DisplayBlackClock(blackTimeRemaining, !wom);
14330 /* Timekeeping seems to be a portability nightmare. I think everyone
14331 has ftime(), but I'm really not sure, so I'm including some ifdefs
14332 to use other calls if you don't. Clocks will be less accurate if
14333 you have neither ftime nor gettimeofday.
14336 /* VS 2008 requires the #include outside of the function */
14337 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14338 #include <sys/timeb.h>
14341 /* Get the current time as a TimeMark */
14346 #if HAVE_GETTIMEOFDAY
14348 struct timeval timeVal;
14349 struct timezone timeZone;
14351 gettimeofday(&timeVal, &timeZone);
14352 tm->sec = (long) timeVal.tv_sec;
14353 tm->ms = (int) (timeVal.tv_usec / 1000L);
14355 #else /*!HAVE_GETTIMEOFDAY*/
14358 // include <sys/timeb.h> / moved to just above start of function
14359 struct timeb timeB;
14362 tm->sec = (long) timeB.time;
14363 tm->ms = (int) timeB.millitm;
14365 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14366 tm->sec = (long) time(NULL);
14372 /* Return the difference in milliseconds between two
14373 time marks. We assume the difference will fit in a long!
14376 SubtractTimeMarks(tm2, tm1)
14377 TimeMark *tm2, *tm1;
14379 return 1000L*(tm2->sec - tm1->sec) +
14380 (long) (tm2->ms - tm1->ms);
14385 * Code to manage the game clocks.
14387 * In tournament play, black starts the clock and then white makes a move.
14388 * We give the human user a slight advantage if he is playing white---the
14389 * clocks don't run until he makes his first move, so it takes zero time.
14390 * Also, we don't account for network lag, so we could get out of sync
14391 * with GNU Chess's clock -- but then, referees are always right.
14394 static TimeMark tickStartTM;
14395 static long intendedTickLength;
14398 NextTickLength(timeRemaining)
14399 long timeRemaining;
14401 long nominalTickLength, nextTickLength;
14403 if (timeRemaining > 0L && timeRemaining <= 10000L)
14404 nominalTickLength = 100L;
14406 nominalTickLength = 1000L;
14407 nextTickLength = timeRemaining % nominalTickLength;
14408 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14410 return nextTickLength;
14413 /* Adjust clock one minute up or down */
14415 AdjustClock(Boolean which, int dir)
14417 if(which) blackTimeRemaining += 60000*dir;
14418 else whiteTimeRemaining += 60000*dir;
14419 DisplayBothClocks();
14422 /* Stop clocks and reset to a fresh time control */
14426 (void) StopClockTimer();
14427 if (appData.icsActive) {
14428 whiteTimeRemaining = blackTimeRemaining = 0;
14429 } else if (searchTime) {
14430 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14431 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14432 } else { /* [HGM] correct new time quote for time odds */
14433 whiteTC = blackTC = fullTimeControlString;
14434 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
14435 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
14437 if (whiteFlag || blackFlag) {
14439 whiteFlag = blackFlag = FALSE;
14441 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
14442 DisplayBothClocks();
14445 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14447 /* Decrement running clock by amount of time that has passed */
14451 long timeRemaining;
14452 long lastTickLength, fudge;
14455 if (!appData.clockMode) return;
14456 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14460 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14462 /* Fudge if we woke up a little too soon */
14463 fudge = intendedTickLength - lastTickLength;
14464 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14466 if (WhiteOnMove(forwardMostMove)) {
14467 if(whiteNPS >= 0) lastTickLength = 0;
14468 timeRemaining = whiteTimeRemaining -= lastTickLength;
14469 if(timeRemaining < 0 && !appData.icsActive) {
14470 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
14471 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
14472 whiteStartMove = forwardMostMove; whiteTC = nextSession;
14473 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
14476 DisplayWhiteClock(whiteTimeRemaining - fudge,
14477 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14479 if(blackNPS >= 0) lastTickLength = 0;
14480 timeRemaining = blackTimeRemaining -= lastTickLength;
14481 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
14482 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
14484 blackStartMove = forwardMostMove;
14485 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
14488 DisplayBlackClock(blackTimeRemaining - fudge,
14489 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14491 if (CheckFlags()) return;
14494 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14495 StartClockTimer(intendedTickLength);
14497 /* if the time remaining has fallen below the alarm threshold, sound the
14498 * alarm. if the alarm has sounded and (due to a takeback or time control
14499 * with increment) the time remaining has increased to a level above the
14500 * threshold, reset the alarm so it can sound again.
14503 if (appData.icsActive && appData.icsAlarm) {
14505 /* make sure we are dealing with the user's clock */
14506 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14507 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14510 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14511 alarmSounded = FALSE;
14512 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14514 alarmSounded = TRUE;
14520 /* A player has just moved, so stop the previously running
14521 clock and (if in clock mode) start the other one.
14522 We redisplay both clocks in case we're in ICS mode, because
14523 ICS gives us an update to both clocks after every move.
14524 Note that this routine is called *after* forwardMostMove
14525 is updated, so the last fractional tick must be subtracted
14526 from the color that is *not* on move now.
14529 SwitchClocks(int newMoveNr)
14531 long lastTickLength;
14533 int flagged = FALSE;
14537 if (StopClockTimer() && appData.clockMode) {
14538 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14539 if (!WhiteOnMove(forwardMostMove)) {
14540 if(blackNPS >= 0) lastTickLength = 0;
14541 blackTimeRemaining -= lastTickLength;
14542 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14543 // if(pvInfoList[forwardMostMove-1].time == -1)
14544 pvInfoList[forwardMostMove-1].time = // use GUI time
14545 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14547 if(whiteNPS >= 0) lastTickLength = 0;
14548 whiteTimeRemaining -= lastTickLength;
14549 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14550 // if(pvInfoList[forwardMostMove-1].time == -1)
14551 pvInfoList[forwardMostMove-1].time =
14552 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14554 flagged = CheckFlags();
14556 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14557 CheckTimeControl();
14559 if (flagged || !appData.clockMode) return;
14561 switch (gameMode) {
14562 case MachinePlaysBlack:
14563 case MachinePlaysWhite:
14564 case BeginningOfGame:
14565 if (pausing) return;
14569 case PlayFromGameFile:
14577 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14578 if(WhiteOnMove(forwardMostMove))
14579 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14580 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14584 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14585 whiteTimeRemaining : blackTimeRemaining);
14586 StartClockTimer(intendedTickLength);
14590 /* Stop both clocks */
14594 long lastTickLength;
14597 if (!StopClockTimer()) return;
14598 if (!appData.clockMode) return;
14602 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14603 if (WhiteOnMove(forwardMostMove)) {
14604 if(whiteNPS >= 0) lastTickLength = 0;
14605 whiteTimeRemaining -= lastTickLength;
14606 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14608 if(blackNPS >= 0) lastTickLength = 0;
14609 blackTimeRemaining -= lastTickLength;
14610 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14615 /* Start clock of player on move. Time may have been reset, so
14616 if clock is already running, stop and restart it. */
14620 (void) StopClockTimer(); /* in case it was running already */
14621 DisplayBothClocks();
14622 if (CheckFlags()) return;
14624 if (!appData.clockMode) return;
14625 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14627 GetTimeMark(&tickStartTM);
14628 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14629 whiteTimeRemaining : blackTimeRemaining);
14631 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14632 whiteNPS = blackNPS = -1;
14633 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14634 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14635 whiteNPS = first.nps;
14636 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14637 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14638 blackNPS = first.nps;
14639 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14640 whiteNPS = second.nps;
14641 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14642 blackNPS = second.nps;
14643 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14645 StartClockTimer(intendedTickLength);
14652 long second, minute, hour, day;
14654 static char buf[32];
14656 if (ms > 0 && ms <= 9900) {
14657 /* convert milliseconds to tenths, rounding up */
14658 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14660 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
14664 /* convert milliseconds to seconds, rounding up */
14665 /* use floating point to avoid strangeness of integer division
14666 with negative dividends on many machines */
14667 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14674 day = second / (60 * 60 * 24);
14675 second = second % (60 * 60 * 24);
14676 hour = second / (60 * 60);
14677 second = second % (60 * 60);
14678 minute = second / 60;
14679 second = second % 60;
14682 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
14683 sign, day, hour, minute, second);
14685 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14687 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
14694 * This is necessary because some C libraries aren't ANSI C compliant yet.
14697 StrStr(string, match)
14698 char *string, *match;
14702 length = strlen(match);
14704 for (i = strlen(string) - length; i >= 0; i--, string++)
14705 if (!strncmp(match, string, length))
14712 StrCaseStr(string, match)
14713 char *string, *match;
14717 length = strlen(match);
14719 for (i = strlen(string) - length; i >= 0; i--, string++) {
14720 for (j = 0; j < length; j++) {
14721 if (ToLower(match[j]) != ToLower(string[j]))
14724 if (j == length) return string;
14738 c1 = ToLower(*s1++);
14739 c2 = ToLower(*s2++);
14740 if (c1 > c2) return 1;
14741 if (c1 < c2) return -1;
14742 if (c1 == NULLCHAR) return 0;
14751 return isupper(c) ? tolower(c) : c;
14759 return islower(c) ? toupper(c) : c;
14761 #endif /* !_amigados */
14769 if ((ret = (char *) malloc(strlen(s) + 1)))
14771 safeStrCpy(ret, s, strlen(s)+1);
14777 StrSavePtr(s, savePtr)
14778 char *s, **savePtr;
14783 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14784 safeStrCpy(*savePtr, s, strlen(s)+1);
14796 clock = time((time_t *)NULL);
14797 tm = localtime(&clock);
14798 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
14799 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14800 return StrSave(buf);
14805 PositionToFEN(move, overrideCastling)
14807 char *overrideCastling;
14809 int i, j, fromX, fromY, toX, toY;
14816 whiteToPlay = (gameMode == EditPosition) ?
14817 !blackPlaysFirst : (move % 2 == 0);
14820 /* Piece placement data */
14821 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14823 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14824 if (boards[move][i][j] == EmptySquare) {
14826 } else { ChessSquare piece = boards[move][i][j];
14827 if (emptycount > 0) {
14828 if(emptycount<10) /* [HGM] can be >= 10 */
14829 *p++ = '0' + emptycount;
14830 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14833 if(PieceToChar(piece) == '+') {
14834 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14836 piece = (ChessSquare)(DEMOTED piece);
14838 *p++ = PieceToChar(piece);
14840 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14841 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14846 if (emptycount > 0) {
14847 if(emptycount<10) /* [HGM] can be >= 10 */
14848 *p++ = '0' + emptycount;
14849 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14856 /* [HGM] print Crazyhouse or Shogi holdings */
14857 if( gameInfo.holdingsWidth ) {
14858 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14860 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14861 piece = boards[move][i][BOARD_WIDTH-1];
14862 if( piece != EmptySquare )
14863 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14864 *p++ = PieceToChar(piece);
14866 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14867 piece = boards[move][BOARD_HEIGHT-i-1][0];
14868 if( piece != EmptySquare )
14869 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14870 *p++ = PieceToChar(piece);
14873 if( q == p ) *p++ = '-';
14879 *p++ = whiteToPlay ? 'w' : 'b';
14882 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14883 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14885 if(nrCastlingRights) {
14887 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14888 /* [HGM] write directly from rights */
14889 if(boards[move][CASTLING][2] != NoRights &&
14890 boards[move][CASTLING][0] != NoRights )
14891 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14892 if(boards[move][CASTLING][2] != NoRights &&
14893 boards[move][CASTLING][1] != NoRights )
14894 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14895 if(boards[move][CASTLING][5] != NoRights &&
14896 boards[move][CASTLING][3] != NoRights )
14897 *p++ = boards[move][CASTLING][3] + AAA;
14898 if(boards[move][CASTLING][5] != NoRights &&
14899 boards[move][CASTLING][4] != NoRights )
14900 *p++ = boards[move][CASTLING][4] + AAA;
14903 /* [HGM] write true castling rights */
14904 if( nrCastlingRights == 6 ) {
14905 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14906 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14907 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14908 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14909 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14910 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14911 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14912 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14915 if (q == p) *p++ = '-'; /* No castling rights */
14919 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14920 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14921 /* En passant target square */
14922 if (move > backwardMostMove) {
14923 fromX = moveList[move - 1][0] - AAA;
14924 fromY = moveList[move - 1][1] - ONE;
14925 toX = moveList[move - 1][2] - AAA;
14926 toY = moveList[move - 1][3] - ONE;
14927 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14928 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14929 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14931 /* 2-square pawn move just happened */
14933 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14937 } else if(move == backwardMostMove) {
14938 // [HGM] perhaps we should always do it like this, and forget the above?
14939 if((signed char)boards[move][EP_STATUS] >= 0) {
14940 *p++ = boards[move][EP_STATUS] + AAA;
14941 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14952 /* [HGM] find reversible plies */
14953 { int i = 0, j=move;
14955 if (appData.debugMode) { int k;
14956 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14957 for(k=backwardMostMove; k<=forwardMostMove; k++)
14958 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14962 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14963 if( j == backwardMostMove ) i += initialRulePlies;
14964 sprintf(p, "%d ", i);
14965 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14967 /* Fullmove number */
14968 sprintf(p, "%d", (move / 2) + 1);
14970 return StrSave(buf);
14974 ParseFEN(board, blackPlaysFirst, fen)
14976 int *blackPlaysFirst;
14986 /* [HGM] by default clear Crazyhouse holdings, if present */
14987 if(gameInfo.holdingsWidth) {
14988 for(i=0; i<BOARD_HEIGHT; i++) {
14989 board[i][0] = EmptySquare; /* black holdings */
14990 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14991 board[i][1] = (ChessSquare) 0; /* black counts */
14992 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14996 /* Piece placement data */
14997 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15000 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
15001 if (*p == '/') p++;
15002 emptycount = gameInfo.boardWidth - j;
15003 while (emptycount--)
15004 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15006 #if(BOARD_FILES >= 10)
15007 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
15008 p++; emptycount=10;
15009 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15010 while (emptycount--)
15011 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15013 } else if (isdigit(*p)) {
15014 emptycount = *p++ - '0';
15015 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
15016 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15017 while (emptycount--)
15018 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15019 } else if (*p == '+' || isalpha(*p)) {
15020 if (j >= gameInfo.boardWidth) return FALSE;
15022 piece = CharToPiece(*++p);
15023 if(piece == EmptySquare) return FALSE; /* unknown piece */
15024 piece = (ChessSquare) (PROMOTED piece ); p++;
15025 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
15026 } else piece = CharToPiece(*p++);
15028 if(piece==EmptySquare) return FALSE; /* unknown piece */
15029 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
15030 piece = (ChessSquare) (PROMOTED piece);
15031 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
15034 board[i][(j++)+gameInfo.holdingsWidth] = piece;
15040 while (*p == '/' || *p == ' ') p++;
15042 /* [HGM] look for Crazyhouse holdings here */
15043 while(*p==' ') p++;
15044 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
15046 if(*p == '-' ) p++; /* empty holdings */ else {
15047 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
15048 /* if we would allow FEN reading to set board size, we would */
15049 /* have to add holdings and shift the board read so far here */
15050 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
15052 if((int) piece >= (int) BlackPawn ) {
15053 i = (int)piece - (int)BlackPawn;
15054 i = PieceToNumber((ChessSquare)i);
15055 if( i >= gameInfo.holdingsSize ) return FALSE;
15056 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
15057 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
15059 i = (int)piece - (int)WhitePawn;
15060 i = PieceToNumber((ChessSquare)i);
15061 if( i >= gameInfo.holdingsSize ) return FALSE;
15062 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
15063 board[i][BOARD_WIDTH-2]++; /* black holdings */
15070 while(*p == ' ') p++;
15074 if(appData.colorNickNames) {
15075 if( c == appData.colorNickNames[0] ) c = 'w'; else
15076 if( c == appData.colorNickNames[1] ) c = 'b';
15080 *blackPlaysFirst = FALSE;
15083 *blackPlaysFirst = TRUE;
15089 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
15090 /* return the extra info in global variiables */
15092 /* set defaults in case FEN is incomplete */
15093 board[EP_STATUS] = EP_UNKNOWN;
15094 for(i=0; i<nrCastlingRights; i++ ) {
15095 board[CASTLING][i] =
15096 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
15097 } /* assume possible unless obviously impossible */
15098 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
15099 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
15100 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
15101 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
15102 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
15103 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
15104 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
15105 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
15108 while(*p==' ') p++;
15109 if(nrCastlingRights) {
15110 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
15111 /* castling indicator present, so default becomes no castlings */
15112 for(i=0; i<nrCastlingRights; i++ ) {
15113 board[CASTLING][i] = NoRights;
15116 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
15117 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
15118 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
15119 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
15120 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
15122 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
15123 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
15124 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
15126 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
15127 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
15128 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
15129 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
15130 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
15131 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
15134 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
15135 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
15136 board[CASTLING][2] = whiteKingFile;
15139 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
15140 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
15141 board[CASTLING][2] = whiteKingFile;
15144 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
15145 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
15146 board[CASTLING][5] = blackKingFile;
15149 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
15150 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
15151 board[CASTLING][5] = blackKingFile;
15154 default: /* FRC castlings */
15155 if(c >= 'a') { /* black rights */
15156 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15157 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
15158 if(i == BOARD_RGHT) break;
15159 board[CASTLING][5] = i;
15161 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
15162 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
15164 board[CASTLING][3] = c;
15166 board[CASTLING][4] = c;
15167 } else { /* white rights */
15168 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15169 if(board[0][i] == WhiteKing) break;
15170 if(i == BOARD_RGHT) break;
15171 board[CASTLING][2] = i;
15172 c -= AAA - 'a' + 'A';
15173 if(board[0][c] >= WhiteKing) break;
15175 board[CASTLING][0] = c;
15177 board[CASTLING][1] = c;
15181 for(i=0; i<nrCastlingRights; i++)
15182 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15183 if (appData.debugMode) {
15184 fprintf(debugFP, "FEN castling rights:");
15185 for(i=0; i<nrCastlingRights; i++)
15186 fprintf(debugFP, " %d", board[CASTLING][i]);
15187 fprintf(debugFP, "\n");
15190 while(*p==' ') p++;
15193 /* read e.p. field in games that know e.p. capture */
15194 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15195 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15197 p++; board[EP_STATUS] = EP_NONE;
15199 char c = *p++ - AAA;
15201 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
15202 if(*p >= '0' && *p <='9') p++;
15203 board[EP_STATUS] = c;
15208 if(sscanf(p, "%d", &i) == 1) {
15209 FENrulePlies = i; /* 50-move ply counter */
15210 /* (The move number is still ignored) */
15217 EditPositionPasteFEN(char *fen)
15220 Board initial_position;
15222 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15223 DisplayError(_("Bad FEN position in clipboard"), 0);
15226 int savedBlackPlaysFirst = blackPlaysFirst;
15227 EditPositionEvent();
15228 blackPlaysFirst = savedBlackPlaysFirst;
15229 CopyBoard(boards[0], initial_position);
15230 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15231 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15232 DisplayBothClocks();
15233 DrawPosition(FALSE, boards[currentMove]);
15238 static char cseq[12] = "\\ ";
15240 Boolean set_cont_sequence(char *new_seq)
15245 // handle bad attempts to set the sequence
15247 return 0; // acceptable error - no debug
15249 len = strlen(new_seq);
15250 ret = (len > 0) && (len < sizeof(cseq));
15252 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
15253 else if (appData.debugMode)
15254 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15259 reformat a source message so words don't cross the width boundary. internal
15260 newlines are not removed. returns the wrapped size (no null character unless
15261 included in source message). If dest is NULL, only calculate the size required
15262 for the dest buffer. lp argument indicats line position upon entry, and it's
15263 passed back upon exit.
15265 int wrap(char *dest, char *src, int count, int width, int *lp)
15267 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15269 cseq_len = strlen(cseq);
15270 old_line = line = *lp;
15271 ansi = len = clen = 0;
15273 for (i=0; i < count; i++)
15275 if (src[i] == '\033')
15278 // if we hit the width, back up
15279 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15281 // store i & len in case the word is too long
15282 old_i = i, old_len = len;
15284 // find the end of the last word
15285 while (i && src[i] != ' ' && src[i] != '\n')
15291 // word too long? restore i & len before splitting it
15292 if ((old_i-i+clen) >= width)
15299 if (i && src[i-1] == ' ')
15302 if (src[i] != ' ' && src[i] != '\n')
15309 // now append the newline and continuation sequence
15314 strncpy(dest+len, cseq, cseq_len);
15322 dest[len] = src[i];
15326 if (src[i] == '\n')
15331 if (dest && appData.debugMode)
15333 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15334 count, width, line, len, *lp);
15335 show_bytes(debugFP, src, count);
15336 fprintf(debugFP, "\ndest: ");
15337 show_bytes(debugFP, dest, len);
15338 fprintf(debugFP, "\n");
15340 *lp = dest ? line : old_line;
15345 // [HGM] vari: routines for shelving variations
15348 PushTail(int firstMove, int lastMove)
15350 int i, j, nrMoves = lastMove - firstMove;
15352 if(appData.icsActive) { // only in local mode
15353 forwardMostMove = currentMove; // mimic old ICS behavior
15356 if(storedGames >= MAX_VARIATIONS-1) return;
15358 // push current tail of game on stack
15359 savedResult[storedGames] = gameInfo.result;
15360 savedDetails[storedGames] = gameInfo.resultDetails;
15361 gameInfo.resultDetails = NULL;
15362 savedFirst[storedGames] = firstMove;
15363 savedLast [storedGames] = lastMove;
15364 savedFramePtr[storedGames] = framePtr;
15365 framePtr -= nrMoves; // reserve space for the boards
15366 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15367 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15368 for(j=0; j<MOVE_LEN; j++)
15369 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15370 for(j=0; j<2*MOVE_LEN; j++)
15371 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15372 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15373 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15374 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15375 pvInfoList[firstMove+i-1].depth = 0;
15376 commentList[framePtr+i] = commentList[firstMove+i];
15377 commentList[firstMove+i] = NULL;
15381 forwardMostMove = firstMove; // truncate game so we can start variation
15382 if(storedGames == 1) GreyRevert(FALSE);
15386 PopTail(Boolean annotate)
15389 char buf[8000], moveBuf[20];
15391 if(appData.icsActive) return FALSE; // only in local mode
15392 if(!storedGames) return FALSE; // sanity
15393 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15396 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15397 nrMoves = savedLast[storedGames] - currentMove;
15400 if(!WhiteOnMove(currentMove))
15401 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
15402 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
15403 for(i=currentMove; i<forwardMostMove; i++) {
15405 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
15406 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
15407 strcat(buf, moveBuf);
15408 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15409 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15413 for(i=1; i<=nrMoves; i++) { // copy last variation back
15414 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15415 for(j=0; j<MOVE_LEN; j++)
15416 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15417 for(j=0; j<2*MOVE_LEN; j++)
15418 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15419 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15420 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15421 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15422 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15423 commentList[currentMove+i] = commentList[framePtr+i];
15424 commentList[framePtr+i] = NULL;
15426 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15427 framePtr = savedFramePtr[storedGames];
15428 gameInfo.result = savedResult[storedGames];
15429 if(gameInfo.resultDetails != NULL) {
15430 free(gameInfo.resultDetails);
15432 gameInfo.resultDetails = savedDetails[storedGames];
15433 forwardMostMove = currentMove + nrMoves;
15434 if(storedGames == 0) GreyRevert(TRUE);
15440 { // remove all shelved variations
15442 for(i=0; i<storedGames; i++) {
15443 if(savedDetails[i])
15444 free(savedDetails[i]);
15445 savedDetails[i] = NULL;
15447 for(i=framePtr; i<MAX_MOVES; i++) {
15448 if(commentList[i]) free(commentList[i]);
15449 commentList[i] = NULL;
15451 framePtr = MAX_MOVES-1;
15456 LoadVariation(int index, char *text)
15457 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15458 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15459 int level = 0, move;
15461 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15462 // first find outermost bracketing variation
15463 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15464 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15465 if(*p == '{') wait = '}'; else
15466 if(*p == '[') wait = ']'; else
15467 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15468 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15470 if(*p == wait) wait = NULLCHAR; // closing ]} found
15473 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15474 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15475 end[1] = NULLCHAR; // clip off comment beyond variation
15476 ToNrEvent(currentMove-1);
15477 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15478 // kludge: use ParsePV() to append variation to game
15479 move = currentMove;
15480 ParsePV(start, TRUE);
15481 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15482 ClearPremoveHighlights();
15484 ToNrEvent(currentMove+1);