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, 2011, 2012, 2013, 2014, 2015, 2016 Free
9 * Software Foundation, Inc.
11 * Enhancements Copyright 2005 Alessandro Scotti
13 * The following terms apply to Digital Equipment Corporation's copyright
15 * ------------------------------------------------------------------------
18 * Permission to use, copy, modify, and distribute this software and its
19 * documentation for any purpose and without fee is hereby granted,
20 * provided that the above copyright notice appear in all copies and that
21 * both that copyright notice and this permission notice appear in
22 * supporting documentation, and that the name of Digital not be
23 * used in advertising or publicity pertaining to distribution of the
24 * software without specific, written prior permission.
26 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
27 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
28 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
29 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
30 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
31 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
33 * ------------------------------------------------------------------------
35 * The following terms apply to the enhanced version of XBoard
36 * distributed by the Free Software Foundation:
37 * ------------------------------------------------------------------------
39 * GNU XBoard is free software: you can redistribute it and/or modify
40 * it under the terms of the GNU General Public License as published by
41 * the Free Software Foundation, either version 3 of the License, or (at
42 * your option) any later version.
44 * GNU XBoard is distributed in the hope that it will be useful, but
45 * WITHOUT ANY WARRANTY; without even the implied warranty of
46 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
47 * General Public License for more details.
49 * You should have received a copy of the GNU General Public License
50 * along with this program. If not, see http://www.gnu.org/licenses/. *
52 *------------------------------------------------------------------------
53 ** See the file ChangeLog for a revision history. */
55 /* [AS] Also useful here for debugging */
59 int flock(int f, int code);
64 # define EGBB_NAME "egbbdll64.dll"
66 # define EGBB_NAME "egbbdll.dll"
71 # include <sys/file.h>
76 # define EGBB_NAME "egbbso64.so"
78 # define EGBB_NAME "egbbso.so"
80 // kludge to allow Windows code in back-end by converting it to corresponding Linux code
82 # define HMODULE void *
83 # define LoadLibrary(x) dlopen(x, RTLD_LAZY)
84 # define GetProcAddress dlsym
94 #include <sys/types.h>
103 #else /* not STDC_HEADERS */
106 # else /* not HAVE_STRING_H */
107 # include <strings.h>
108 # endif /* not HAVE_STRING_H */
109 #endif /* not STDC_HEADERS */
112 # include <sys/fcntl.h>
113 #else /* not HAVE_SYS_FCNTL_H */
116 # endif /* HAVE_FCNTL_H */
117 #endif /* not HAVE_SYS_FCNTL_H */
119 #if TIME_WITH_SYS_TIME
120 # include <sys/time.h>
124 # include <sys/time.h>
130 #if defined(_amigados) && !defined(__GNUC__)
135 extern int gettimeofday(struct timeval *, struct timezone *);
143 #include "frontend.h"
150 #include "backendz.h"
151 #include "evalgraph.h"
152 #include "engineoutput.h"
156 # define _(s) gettext (s)
157 # define N_(s) gettext_noop (s)
158 # define T_(s) gettext(s)
171 int establish P((void));
172 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
173 char *buf, int count, int error));
174 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
175 char *buf, int count, int error));
176 void SendToICS P((char *s));
177 void SendToICSDelayed P((char *s, long msdelay));
178 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
179 void HandleMachineMove P((char *message, ChessProgramState *cps));
180 int AutoPlayOneMove P((void));
181 int LoadGameOneMove P((ChessMove readAhead));
182 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
183 int LoadPositionFromFile P((char *filename, int n, char *title));
184 int SavePositionToFile P((char *filename));
185 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
186 void ShowMove P((int fromX, int fromY, int toX, int toY));
187 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
188 /*char*/int promoChar));
189 void BackwardInner P((int target));
190 void ForwardInner P((int target));
191 int Adjudicate P((ChessProgramState *cps));
192 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
193 void EditPositionDone P((Boolean fakeRights));
194 void PrintOpponents P((FILE *fp));
195 void PrintPosition P((FILE *fp, int move));
196 void SendToProgram P((char *message, ChessProgramState *cps));
197 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
198 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
199 char *buf, int count, int error));
200 void SendTimeControl P((ChessProgramState *cps,
201 int mps, long tc, int inc, int sd, int st));
202 char *TimeControlTagValue P((void));
203 void Attention P((ChessProgramState *cps));
204 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
205 int ResurrectChessProgram P((void));
206 void DisplayComment P((int moveNumber, char *text));
207 void DisplayMove P((int moveNumber));
209 void ParseGameHistory P((char *game));
210 void ParseBoard12 P((char *string));
211 void KeepAlive P((void));
212 void StartClocks P((void));
213 void SwitchClocks P((int nr));
214 void StopClocks P((void));
215 void ResetClocks P((void));
216 char *PGNDate P((void));
217 void SetGameInfo P((void));
218 int RegisterMove P((void));
219 void MakeRegisteredMove P((void));
220 void TruncateGame P((void));
221 int looking_at P((char *, int *, char *));
222 void CopyPlayerNameIntoFileName P((char **, char *));
223 char *SavePart P((char *));
224 int SaveGameOldStyle P((FILE *));
225 int SaveGamePGN P((FILE *));
226 int CheckFlags P((void));
227 long NextTickLength P((long));
228 void CheckTimeControl P((void));
229 void show_bytes P((FILE *, char *, int));
230 int string_to_rating P((char *str));
231 void ParseFeatures P((char* args, ChessProgramState *cps));
232 void InitBackEnd3 P((void));
233 void FeatureDone P((ChessProgramState* cps, int val));
234 void InitChessProgram P((ChessProgramState *cps, int setup));
235 void OutputKibitz(int window, char *text);
236 int PerpetualChase(int first, int last);
237 int EngineOutputIsUp();
238 void InitDrawingSizes(int x, int y);
239 void NextMatchGame P((void));
240 int NextTourneyGame P((int nr, int *swap));
241 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
242 FILE *WriteTourneyFile P((char *results, FILE *f));
243 void DisplayTwoMachinesTitle P(());
244 static void ExcludeClick P((int index));
245 void ToggleSecond P((void));
246 void PauseEngine P((ChessProgramState *cps));
247 static int NonStandardBoardSize P((VariantClass v, int w, int h, int s));
250 extern void ConsoleCreate();
253 ChessProgramState *WhitePlayer();
254 int VerifyDisplayMode P(());
256 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
257 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
258 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
259 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
260 void ics_update_width P((int new_width));
261 extern char installDir[MSG_SIZ];
262 VariantClass startVariant; /* [HGM] nicks: initial variant */
266 extern int tinyLayout, smallLayout;
267 ChessProgramStats programStats;
268 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
270 static int exiting = 0; /* [HGM] moved to top */
271 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
272 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
273 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
274 int partnerHighlight[2];
275 Boolean partnerBoardValid = 0;
276 char partnerStatus[MSG_SIZ];
278 Boolean originalFlip;
279 Boolean twoBoards = 0;
280 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
281 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
282 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
283 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
284 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
285 int opponentKibitzes;
286 int lastSavedGame; /* [HGM] save: ID of game */
287 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
288 extern int chatCount;
290 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
291 char legal[BOARD_RANKS][BOARD_FILES]; /* [HGM] legal target squares */
292 char lastMsg[MSG_SIZ];
293 char lastTalker[MSG_SIZ];
294 ChessSquare pieceSweep = EmptySquare;
295 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
296 int promoDefaultAltered;
297 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
298 static int initPing = -1;
299 int border; /* [HGM] width of board rim, needed to size seek graph */
300 char bestMove[MSG_SIZ], avoidMove[MSG_SIZ];
301 int solvingTime, totalTime;
303 /* States for ics_getting_history */
305 #define H_REQUESTED 1
306 #define H_GOT_REQ_HEADER 2
307 #define H_GOT_UNREQ_HEADER 3
308 #define H_GETTING_MOVES 4
309 #define H_GOT_UNWANTED_HEADER 5
311 /* whosays values for GameEnds */
320 /* Maximum number of games in a cmail message */
321 #define CMAIL_MAX_GAMES 20
323 /* Different types of move when calling RegisterMove */
325 #define CMAIL_RESIGN 1
327 #define CMAIL_ACCEPT 3
329 /* Different types of result to remember for each game */
330 #define CMAIL_NOT_RESULT 0
331 #define CMAIL_OLD_RESULT 1
332 #define CMAIL_NEW_RESULT 2
334 /* Telnet protocol constants */
345 safeStrCpy (char *dst, const char *src, size_t count)
348 assert( dst != NULL );
349 assert( src != NULL );
352 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
353 if( i == count && dst[count-1] != NULLCHAR)
355 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
356 if(appData.debugMode)
357 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
363 /* Some compiler can't cast u64 to double
364 * This function do the job for us:
366 * We use the highest bit for cast, this only
367 * works if the highest bit is not
368 * in use (This should not happen)
370 * We used this for all compiler
373 u64ToDouble (u64 value)
376 u64 tmp = value & u64Const(0x7fffffffffffffff);
377 r = (double)(s64)tmp;
378 if (value & u64Const(0x8000000000000000))
379 r += 9.2233720368547758080e18; /* 2^63 */
383 /* Fake up flags for now, as we aren't keeping track of castling
384 availability yet. [HGM] Change of logic: the flag now only
385 indicates the type of castlings allowed by the rule of the game.
386 The actual rights themselves are maintained in the array
387 castlingRights, as part of the game history, and are not probed
393 int flags = F_ALL_CASTLE_OK;
394 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
395 switch (gameInfo.variant) {
397 flags &= ~F_ALL_CASTLE_OK;
398 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
399 flags |= F_IGNORE_CHECK;
401 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
404 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
406 case VariantKriegspiel:
407 flags |= F_KRIEGSPIEL_CAPTURE;
409 case VariantCapaRandom:
410 case VariantFischeRandom:
411 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
412 case VariantNoCastle:
413 case VariantShatranj:
418 flags &= ~F_ALL_CASTLE_OK;
421 case VariantChuChess:
423 flags |= F_NULL_MOVE;
428 if(appData.fischerCastling) flags |= F_FRC_TYPE_CASTLING, flags &= ~F_ALL_CASTLE_OK; // [HGM] fischer
432 FILE *gameFileFP, *debugFP, *serverFP;
433 char *currentDebugFile; // [HGM] debug split: to remember name
436 [AS] Note: sometimes, the sscanf() function is used to parse the input
437 into a fixed-size buffer. Because of this, we must be prepared to
438 receive strings as long as the size of the input buffer, which is currently
439 set to 4K for Windows and 8K for the rest.
440 So, we must either allocate sufficiently large buffers here, or
441 reduce the size of the input buffer in the input reading part.
444 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
445 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
446 char thinkOutput1[MSG_SIZ*10];
447 char promoRestrict[MSG_SIZ];
449 ChessProgramState first, second, pairing;
451 /* premove variables */
454 int premoveFromX = 0;
455 int premoveFromY = 0;
456 int premovePromoChar = 0;
458 Boolean alarmSounded;
459 /* end premove variables */
461 char *ics_prefix = "$";
462 enum ICS_TYPE ics_type = ICS_GENERIC;
464 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
465 int pauseExamForwardMostMove = 0;
466 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
467 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
468 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
469 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
470 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
471 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
472 int whiteFlag = FALSE, blackFlag = FALSE;
473 int userOfferedDraw = FALSE;
474 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
475 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
476 int cmailMoveType[CMAIL_MAX_GAMES];
477 long ics_clock_paused = 0;
478 ProcRef icsPR = NoProc, cmailPR = NoProc;
479 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
480 GameMode gameMode = BeginningOfGame;
481 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
482 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
483 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
484 int hiddenThinkOutputState = 0; /* [AS] */
485 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
486 int adjudicateLossPlies = 6;
487 char white_holding[64], black_holding[64];
488 TimeMark lastNodeCountTime;
489 long lastNodeCount=0;
490 int shiftKey, controlKey; // [HGM] set by mouse handler
492 int have_sent_ICS_logon = 0;
494 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
495 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
496 Boolean adjustedClock;
497 long timeControl_2; /* [AS] Allow separate time controls */
498 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
499 long timeRemaining[2][MAX_MOVES];
500 int matchGame = 0, nextGame = 0, roundNr = 0;
501 Boolean waitingForGame = FALSE, startingEngine = FALSE;
502 TimeMark programStartTime, pauseStart;
503 char ics_handle[MSG_SIZ];
504 int have_set_title = 0;
506 /* animateTraining preserves the state of appData.animate
507 * when Training mode is activated. This allows the
508 * response to be animated when appData.animate == TRUE and
509 * appData.animateDragging == TRUE.
511 Boolean animateTraining;
517 Board boards[MAX_MOVES];
518 /* [HGM] Following 7 needed for accurate legality tests: */
519 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
520 unsigned char initialRights[BOARD_FILES];
521 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
522 int initialRulePlies, FENrulePlies;
523 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
525 Boolean shuffleOpenings;
526 int mute; // mute all sounds
528 // [HGM] vari: next 12 to save and restore variations
529 #define MAX_VARIATIONS 10
530 int framePtr = MAX_MOVES-1; // points to free stack entry
532 int savedFirst[MAX_VARIATIONS];
533 int savedLast[MAX_VARIATIONS];
534 int savedFramePtr[MAX_VARIATIONS];
535 char *savedDetails[MAX_VARIATIONS];
536 ChessMove savedResult[MAX_VARIATIONS];
538 void PushTail P((int firstMove, int lastMove));
539 Boolean PopTail P((Boolean annotate));
540 void PushInner P((int firstMove, int lastMove));
541 void PopInner P((Boolean annotate));
542 void CleanupTail P((void));
544 ChessSquare FIDEArray[2][BOARD_FILES] = {
545 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
546 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
547 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
548 BlackKing, BlackBishop, BlackKnight, BlackRook }
551 ChessSquare twoKingsArray[2][BOARD_FILES] = {
552 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
553 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
554 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
555 BlackKing, BlackKing, BlackKnight, BlackRook }
558 ChessSquare KnightmateArray[2][BOARD_FILES] = {
559 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
560 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
561 { BlackRook, BlackMan, BlackBishop, BlackQueen,
562 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
565 ChessSquare SpartanArray[2][BOARD_FILES] = {
566 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
567 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
568 { BlackAlfil, BlackDragon, BlackKing, BlackTower,
569 BlackTower, BlackKing, BlackAngel, BlackAlfil }
572 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
573 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
574 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
575 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
576 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
579 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
580 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
581 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
582 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
583 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
586 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
587 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
588 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
589 { BlackRook, BlackKnight, BlackMan, BlackFerz,
590 BlackKing, BlackMan, BlackKnight, BlackRook }
593 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
594 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
595 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
596 { BlackRook, BlackKnight, BlackMan, BlackFerz,
597 BlackKing, BlackMan, BlackKnight, BlackRook }
600 ChessSquare lionArray[2][BOARD_FILES] = {
601 { WhiteRook, WhiteLion, WhiteBishop, WhiteQueen,
602 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
603 { BlackRook, BlackLion, BlackBishop, BlackQueen,
604 BlackKing, BlackBishop, BlackKnight, BlackRook }
608 #if (BOARD_FILES>=10)
609 ChessSquare ShogiArray[2][BOARD_FILES] = {
610 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
611 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
612 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
613 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
616 ChessSquare XiangqiArray[2][BOARD_FILES] = {
617 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
618 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
619 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
620 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
623 ChessSquare CapablancaArray[2][BOARD_FILES] = {
624 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
625 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
626 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
627 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
630 ChessSquare GreatArray[2][BOARD_FILES] = {
631 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
632 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
633 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
634 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
637 ChessSquare JanusArray[2][BOARD_FILES] = {
638 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
639 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
640 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
641 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
644 ChessSquare GrandArray[2][BOARD_FILES] = {
645 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
646 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
647 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
648 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
651 ChessSquare ChuChessArray[2][BOARD_FILES] = {
652 { WhiteMan, WhiteKnight, WhiteBishop, WhiteCardinal, WhiteLion,
653 WhiteQueen, WhiteDragon, WhiteBishop, WhiteKnight, WhiteMan },
654 { BlackMan, BlackKnight, BlackBishop, BlackDragon, BlackQueen,
655 BlackLion, BlackCardinal, BlackBishop, BlackKnight, BlackMan }
659 ChessSquare GothicArray[2][BOARD_FILES] = {
660 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
661 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
662 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
663 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
666 #define GothicArray CapablancaArray
670 ChessSquare FalconArray[2][BOARD_FILES] = {
671 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
672 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
673 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
674 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
677 #define FalconArray CapablancaArray
680 #else // !(BOARD_FILES>=10)
681 #define XiangqiPosition FIDEArray
682 #define CapablancaArray FIDEArray
683 #define GothicArray FIDEArray
684 #define GreatArray FIDEArray
685 #endif // !(BOARD_FILES>=10)
687 #if (BOARD_FILES>=12)
688 ChessSquare CourierArray[2][BOARD_FILES] = {
689 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
690 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
691 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
692 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
694 ChessSquare ChuArray[6][BOARD_FILES] = {
695 { WhiteLance, WhiteCat, WhiteCopper, WhiteFerz, WhiteWazir, WhiteKing,
696 WhiteAlfil, WhiteWazir, WhiteFerz, WhiteCopper, WhiteCat, WhiteLance },
697 { BlackLance, BlackCat, BlackCopper, BlackFerz, BlackWazir, BlackAlfil,
698 BlackKing, BlackWazir, BlackFerz, BlackCopper, BlackCat, BlackLance },
699 { WhiteAxe, EmptySquare, WhiteBishop, EmptySquare, WhiteClaw, WhiteMarshall,
700 WhiteAngel, WhiteClaw, EmptySquare, WhiteBishop, EmptySquare, WhiteAxe },
701 { BlackAxe, EmptySquare, BlackBishop, EmptySquare, BlackClaw, BlackAngel,
702 BlackMarshall, BlackClaw, EmptySquare, BlackBishop, EmptySquare, BlackAxe },
703 { WhiteDagger, WhiteSword, WhiteRook, WhiteCardinal, WhiteDragon, WhiteLion,
704 WhiteQueen, WhiteDragon, WhiteCardinal, WhiteRook, WhiteSword, WhiteDagger },
705 { BlackDagger, BlackSword, BlackRook, BlackCardinal, BlackDragon, BlackQueen,
706 BlackLion, BlackDragon, BlackCardinal, BlackRook, BlackSword, BlackDagger }
708 #else // !(BOARD_FILES>=12)
709 #define CourierArray CapablancaArray
710 #define ChuArray CapablancaArray
711 #endif // !(BOARD_FILES>=12)
714 Board initialPosition;
717 /* Convert str to a rating. Checks for special cases of "----",
719 "++++", etc. Also strips ()'s */
721 string_to_rating (char *str)
723 while(*str && !isdigit(*str)) ++str;
725 return 0; /* One of the special "no rating" cases */
733 /* Init programStats */
734 programStats.movelist[0] = 0;
735 programStats.depth = 0;
736 programStats.nr_moves = 0;
737 programStats.moves_left = 0;
738 programStats.nodes = 0;
739 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
740 programStats.score = 0;
741 programStats.got_only_move = 0;
742 programStats.got_fail = 0;
743 programStats.line_is_book = 0;
748 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
749 if (appData.firstPlaysBlack) {
750 first.twoMachinesColor = "black\n";
751 second.twoMachinesColor = "white\n";
753 first.twoMachinesColor = "white\n";
754 second.twoMachinesColor = "black\n";
757 first.other = &second;
758 second.other = &first;
761 if(appData.timeOddsMode) {
762 norm = appData.timeOdds[0];
763 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
765 first.timeOdds = appData.timeOdds[0]/norm;
766 second.timeOdds = appData.timeOdds[1]/norm;
769 if(programVersion) free(programVersion);
770 if (appData.noChessProgram) {
771 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
772 sprintf(programVersion, "%s", PACKAGE_STRING);
774 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
775 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
776 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
781 UnloadEngine (ChessProgramState *cps)
783 /* Kill off first chess program */
784 if (cps->isr != NULL)
785 RemoveInputSource(cps->isr);
788 if (cps->pr != NoProc) {
790 DoSleep( appData.delayBeforeQuit );
791 SendToProgram("quit\n", cps);
792 DestroyChildProcess(cps->pr, 4 + cps->useSigterm);
795 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
799 ClearOptions (ChessProgramState *cps)
802 cps->nrOptions = cps->comboCnt = 0;
803 for(i=0; i<MAX_OPTIONS; i++) {
804 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
805 cps->option[i].textValue = 0;
809 char *engineNames[] = {
810 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
811 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
813 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
814 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
819 InitEngine (ChessProgramState *cps, int n)
820 { // [HGM] all engine initialiation put in a function that does one engine
824 cps->which = engineNames[n];
825 cps->maybeThinking = FALSE;
829 cps->sendDrawOffers = 1;
831 cps->program = appData.chessProgram[n];
832 cps->host = appData.host[n];
833 cps->dir = appData.directory[n];
834 cps->initString = appData.engInitString[n];
835 cps->computerString = appData.computerString[n];
836 cps->useSigint = TRUE;
837 cps->useSigterm = TRUE;
838 cps->reuse = appData.reuse[n];
839 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
840 cps->useSetboard = FALSE;
842 cps->usePing = FALSE;
845 cps->usePlayother = FALSE;
846 cps->useColors = TRUE;
847 cps->useUsermove = FALSE;
848 cps->sendICS = FALSE;
849 cps->sendName = appData.icsActive;
850 cps->sdKludge = FALSE;
851 cps->stKludge = FALSE;
852 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
853 TidyProgramName(cps->program, cps->host, cps->tidy);
855 ASSIGN(cps->variants, appData.noChessProgram ? "" : appData.variant);
856 cps->analysisSupport = 2; /* detect */
857 cps->analyzing = FALSE;
858 cps->initDone = FALSE;
860 cps->pseudo = appData.pseudo[n];
862 /* New features added by Tord: */
863 cps->useFEN960 = FALSE;
864 cps->useOOCastle = TRUE;
865 /* End of new features added by Tord. */
866 cps->fenOverride = appData.fenOverride[n];
868 /* [HGM] time odds: set factor for each machine */
869 cps->timeOdds = appData.timeOdds[n];
871 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
872 cps->accumulateTC = appData.accumulateTC[n];
873 cps->maxNrOfSessions = 1;
878 cps->drawDepth = appData.drawDepth[n];
879 cps->supportsNPS = UNKNOWN;
880 cps->memSize = FALSE;
881 cps->maxCores = FALSE;
882 ASSIGN(cps->egtFormats, "");
885 cps->optionSettings = appData.engOptions[n];
887 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
888 cps->isUCI = appData.isUCI[n]; /* [AS] */
889 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
892 if (appData.protocolVersion[n] > PROTOVER
893 || appData.protocolVersion[n] < 1)
898 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
899 appData.protocolVersion[n]);
900 if( (len >= MSG_SIZ) && appData.debugMode )
901 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
903 DisplayFatalError(buf, 0, 2);
907 cps->protocolVersion = appData.protocolVersion[n];
910 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
911 ParseFeatures(appData.featureDefaults, cps);
914 ChessProgramState *savCps;
922 if(WaitForEngine(savCps, LoadEngine)) return;
923 CommonEngineInit(); // recalculate time odds
924 if(gameInfo.variant != StringToVariant(appData.variant)) {
925 // we changed variant when loading the engine; this forces us to reset
926 Reset(TRUE, savCps != &first);
927 oldMode = BeginningOfGame; // to prevent restoring old mode
929 InitChessProgram(savCps, FALSE);
930 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
931 DisplayMessage("", "");
932 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
933 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
936 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
940 ReplaceEngine (ChessProgramState *cps, int n)
942 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
944 if(oldMode != BeginningOfGame) EditGameEvent();
947 appData.noChessProgram = FALSE;
948 appData.clockMode = TRUE;
951 if(n) return; // only startup first engine immediately; second can wait
952 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
956 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
957 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
959 static char resetOptions[] =
960 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
961 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
962 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 -fd \".\" "
963 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
966 FloatToFront(char **list, char *engineLine)
968 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
970 if(appData.recentEngines <= 0) return;
971 TidyProgramName(engineLine, "localhost", tidy+1);
972 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
973 strncpy(buf+1, *list, MSG_SIZ-50);
974 if(p = strstr(buf, tidy)) { // tidy name appears in list
975 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
976 while(*p++ = *++q); // squeeze out
978 strcat(tidy, buf+1); // put list behind tidy name
979 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
980 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
981 ASSIGN(*list, tidy+1);
984 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
987 Load (ChessProgramState *cps, int i)
989 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ], buf3[MSG_SIZ], jar;
990 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
991 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
992 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
993 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
994 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
995 appData.firstProtocolVersion = PROTOVER;
996 ParseArgsFromString(buf);
998 ReplaceEngine(cps, i);
999 FloatToFront(&appData.recentEngineList, engineLine);
1000 if(gameMode == BeginningOfGame) Reset(TRUE, TRUE);
1004 while(q = strchr(p, SLASH)) p = q+1;
1005 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
1006 if(engineDir[0] != NULLCHAR) {
1007 ASSIGN(appData.directory[i], engineDir); p = engineName;
1008 } else if(p != engineName) { // derive directory from engine path, when not given
1010 ASSIGN(appData.directory[i], engineName);
1012 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
1013 } else { ASSIGN(appData.directory[i], "."); }
1014 jar = (strstr(p, ".jar") == p + strlen(p) - 4);
1016 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
1017 snprintf(command, MSG_SIZ, "%s %s", p, params);
1020 if(jar) { snprintf(buf3, MSG_SIZ, "java -jar %s", p); p = buf3; }
1021 ASSIGN(appData.chessProgram[i], p);
1022 appData.isUCI[i] = isUCI;
1023 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
1024 appData.hasOwnBookUCI[i] = hasBook;
1025 if(!nickName[0]) useNick = FALSE;
1026 if(useNick) ASSIGN(appData.pgnName[i], nickName);
1030 q = firstChessProgramNames;
1031 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
1032 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
1033 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
1034 quote, p, quote, appData.directory[i],
1035 useNick ? " -fn \"" : "",
1036 useNick ? nickName : "",
1037 useNick ? "\"" : "",
1038 v1 ? " -firstProtocolVersion 1" : "",
1039 hasBook ? "" : " -fNoOwnBookUCI",
1040 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
1041 storeVariant ? " -variant " : "",
1042 storeVariant ? VariantName(gameInfo.variant) : "");
1043 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
1044 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
1045 if(insert != q) insert[-1] = NULLCHAR;
1046 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
1048 FloatToFront(&appData.recentEngineList, buf);
1050 ReplaceEngine(cps, i);
1056 int matched, min, sec;
1058 * Parse timeControl resource
1060 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
1061 appData.movesPerSession)) {
1063 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1064 DisplayFatalError(buf, 0, 2);
1068 * Parse searchTime resource
1070 if (*appData.searchTime != NULLCHAR) {
1071 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1073 searchTime = min * 60;
1074 } else if (matched == 2) {
1075 searchTime = min * 60 + sec;
1078 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1079 DisplayFatalError(buf, 0, 2);
1088 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1089 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1091 GetTimeMark(&programStartTime);
1092 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1093 appData.seedBase = random() + (random()<<15);
1094 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1096 ClearProgramStats();
1097 programStats.ok_to_send = 1;
1098 programStats.seen_stat = 0;
1101 * Initialize game list
1107 * Internet chess server status
1109 if (appData.icsActive) {
1110 appData.matchMode = FALSE;
1111 appData.matchGames = 0;
1113 appData.noChessProgram = !appData.zippyPlay;
1115 appData.zippyPlay = FALSE;
1116 appData.zippyTalk = FALSE;
1117 appData.noChessProgram = TRUE;
1119 if (*appData.icsHelper != NULLCHAR) {
1120 appData.useTelnet = TRUE;
1121 appData.telnetProgram = appData.icsHelper;
1124 appData.zippyTalk = appData.zippyPlay = FALSE;
1127 /* [AS] Initialize pv info list [HGM] and game state */
1131 for( i=0; i<=framePtr; i++ ) {
1132 pvInfoList[i].depth = -1;
1133 boards[i][EP_STATUS] = EP_NONE;
1134 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1140 /* [AS] Adjudication threshold */
1141 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1143 InitEngine(&first, 0);
1144 InitEngine(&second, 1);
1147 pairing.which = "pairing"; // pairing engine
1148 pairing.pr = NoProc;
1150 pairing.program = appData.pairingEngine;
1151 pairing.host = "localhost";
1154 if (appData.icsActive) {
1155 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1156 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1157 appData.clockMode = FALSE;
1158 first.sendTime = second.sendTime = 0;
1162 /* Override some settings from environment variables, for backward
1163 compatibility. Unfortunately it's not feasible to have the env
1164 vars just set defaults, at least in xboard. Ugh.
1166 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1171 if (!appData.icsActive) {
1175 /* Check for variants that are supported only in ICS mode,
1176 or not at all. Some that are accepted here nevertheless
1177 have bugs; see comments below.
1179 VariantClass variant = StringToVariant(appData.variant);
1181 case VariantBughouse: /* need four players and two boards */
1182 case VariantKriegspiel: /* need to hide pieces and move details */
1183 /* case VariantFischeRandom: (Fabien: moved below) */
1184 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1185 if( (len >= MSG_SIZ) && appData.debugMode )
1186 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1188 DisplayFatalError(buf, 0, 2);
1191 case VariantUnknown:
1192 case VariantLoadable:
1202 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1203 if( (len >= MSG_SIZ) && appData.debugMode )
1204 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1206 DisplayFatalError(buf, 0, 2);
1209 case VariantNormal: /* definitely works! */
1210 if(strcmp(appData.variant, "normal") && !appData.noChessProgram) { // [HGM] hope this is an engine-defined variant
1211 safeStrCpy(engineVariant, appData.variant, MSG_SIZ);
1214 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1215 case VariantFairy: /* [HGM] TestLegality definitely off! */
1216 case VariantGothic: /* [HGM] should work */
1217 case VariantCapablanca: /* [HGM] should work */
1218 case VariantCourier: /* [HGM] initial forced moves not implemented */
1219 case VariantShogi: /* [HGM] could still mate with pawn drop */
1220 case VariantChu: /* [HGM] experimental */
1221 case VariantKnightmate: /* [HGM] should work */
1222 case VariantCylinder: /* [HGM] untested */
1223 case VariantFalcon: /* [HGM] untested */
1224 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1225 offboard interposition not understood */
1226 case VariantWildCastle: /* pieces not automatically shuffled */
1227 case VariantNoCastle: /* pieces not automatically shuffled */
1228 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1229 case VariantLosers: /* should work except for win condition,
1230 and doesn't know captures are mandatory */
1231 case VariantSuicide: /* should work except for win condition,
1232 and doesn't know captures are mandatory */
1233 case VariantGiveaway: /* should work except for win condition,
1234 and doesn't know captures are mandatory */
1235 case VariantTwoKings: /* should work */
1236 case VariantAtomic: /* should work except for win condition */
1237 case Variant3Check: /* should work except for win condition */
1238 case VariantShatranj: /* should work except for all win conditions */
1239 case VariantMakruk: /* should work except for draw countdown */
1240 case VariantASEAN : /* should work except for draw countdown */
1241 case VariantBerolina: /* might work if TestLegality is off */
1242 case VariantCapaRandom: /* should work */
1243 case VariantJanus: /* should work */
1244 case VariantSuper: /* experimental */
1245 case VariantGreat: /* experimental, requires legality testing to be off */
1246 case VariantSChess: /* S-Chess, should work */
1247 case VariantGrand: /* should work */
1248 case VariantSpartan: /* should work */
1249 case VariantLion: /* should work */
1250 case VariantChuChess: /* should work */
1258 NextIntegerFromString (char ** str, long * value)
1263 while( *s == ' ' || *s == '\t' ) {
1269 if( *s >= '0' && *s <= '9' ) {
1270 while( *s >= '0' && *s <= '9' ) {
1271 *value = *value * 10 + (*s - '0');
1284 NextTimeControlFromString (char ** str, long * value)
1287 int result = NextIntegerFromString( str, &temp );
1290 *value = temp * 60; /* Minutes */
1291 if( **str == ':' ) {
1293 result = NextIntegerFromString( str, &temp );
1294 *value += temp; /* Seconds */
1302 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1303 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1304 int result = -1, type = 0; long temp, temp2;
1306 if(**str != ':') return -1; // old params remain in force!
1308 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1309 if( NextIntegerFromString( str, &temp ) ) return -1;
1310 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1313 /* time only: incremental or sudden-death time control */
1314 if(**str == '+') { /* increment follows; read it */
1316 if(**str == '!') type = *(*str)++; // Bronstein TC
1317 if(result = NextIntegerFromString( str, &temp2)) return -1;
1318 *inc = temp2 * 1000;
1319 if(**str == '.') { // read fraction of increment
1320 char *start = ++(*str);
1321 if(result = NextIntegerFromString( str, &temp2)) return -1;
1323 while(start++ < *str) temp2 /= 10;
1327 *moves = 0; *tc = temp * 1000; *incType = type;
1331 (*str)++; /* classical time control */
1332 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1344 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1345 { /* [HGM] get time to add from the multi-session time-control string */
1346 int incType, moves=1; /* kludge to force reading of first session */
1347 long time, increment;
1350 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1352 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1353 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1354 if(movenr == -1) return time; /* last move before new session */
1355 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1356 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1357 if(!moves) return increment; /* current session is incremental */
1358 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1359 } while(movenr >= -1); /* try again for next session */
1361 return 0; // no new time quota on this move
1365 ParseTimeControl (char *tc, float ti, int mps)
1369 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1372 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1373 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1374 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1378 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1380 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1383 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1385 snprintf(buf, MSG_SIZ, ":%s", mytc);
1387 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1389 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1394 /* Parse second time control */
1397 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1405 timeControl_2 = tc2 * 1000;
1415 timeControl = tc1 * 1000;
1418 timeIncrement = ti * 1000; /* convert to ms */
1419 movesPerSession = 0;
1422 movesPerSession = mps;
1430 if (appData.debugMode) {
1431 # ifdef __GIT_VERSION
1432 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1434 fprintf(debugFP, "Version: %s\n", programVersion);
1437 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1439 set_cont_sequence(appData.wrapContSeq);
1440 if (appData.matchGames > 0) {
1441 appData.matchMode = TRUE;
1442 } else if (appData.matchMode) {
1443 appData.matchGames = 1;
1445 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1446 appData.matchGames = appData.sameColorGames;
1447 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1448 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1449 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1452 if (appData.noChessProgram || first.protocolVersion == 1) {
1455 /* kludge: allow timeout for initial "feature" commands */
1457 DisplayMessage("", _("Starting chess program"));
1458 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1463 CalculateIndex (int index, int gameNr)
1464 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1466 if(index > 0) return index; // fixed nmber
1467 if(index == 0) return 1;
1468 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1469 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1474 LoadGameOrPosition (int gameNr)
1475 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1476 if (*appData.loadGameFile != NULLCHAR) {
1477 if (!LoadGameFromFile(appData.loadGameFile,
1478 CalculateIndex(appData.loadGameIndex, gameNr),
1479 appData.loadGameFile, FALSE)) {
1480 DisplayFatalError(_("Bad game file"), 0, 1);
1483 } else if (*appData.loadPositionFile != NULLCHAR) {
1484 if (!LoadPositionFromFile(appData.loadPositionFile,
1485 CalculateIndex(appData.loadPositionIndex, gameNr),
1486 appData.loadPositionFile)) {
1487 DisplayFatalError(_("Bad position file"), 0, 1);
1495 ReserveGame (int gameNr, char resChar)
1497 FILE *tf = fopen(appData.tourneyFile, "r+");
1498 char *p, *q, c, buf[MSG_SIZ];
1499 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1500 safeStrCpy(buf, lastMsg, MSG_SIZ);
1501 DisplayMessage(_("Pick new game"), "");
1502 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1503 ParseArgsFromFile(tf);
1504 p = q = appData.results;
1505 if(appData.debugMode) {
1506 char *r = appData.participants;
1507 fprintf(debugFP, "results = '%s'\n", p);
1508 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1509 fprintf(debugFP, "\n");
1511 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1513 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1514 safeStrCpy(q, p, strlen(p) + 2);
1515 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1516 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1517 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1518 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1521 fseek(tf, -(strlen(p)+4), SEEK_END);
1523 if(c != '"') // depending on DOS or Unix line endings we can be one off
1524 fseek(tf, -(strlen(p)+2), SEEK_END);
1525 else fseek(tf, -(strlen(p)+3), SEEK_END);
1526 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1527 DisplayMessage(buf, "");
1528 free(p); appData.results = q;
1529 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1530 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1531 int round = appData.defaultMatchGames * appData.tourneyType;
1532 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1533 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1534 UnloadEngine(&first); // next game belongs to other pairing;
1535 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1537 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1541 MatchEvent (int mode)
1542 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1544 if(matchMode) { // already in match mode: switch it off
1546 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1549 // if(gameMode != BeginningOfGame) {
1550 // DisplayError(_("You can only start a match from the initial position."), 0);
1554 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1555 /* Set up machine vs. machine match */
1557 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1558 if(appData.tourneyFile[0]) {
1560 if(nextGame > appData.matchGames) {
1562 if(strchr(appData.results, '*') == NULL) {
1564 appData.tourneyCycles++;
1565 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1567 NextTourneyGame(-1, &dummy);
1569 if(nextGame <= appData.matchGames) {
1570 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1572 ScheduleDelayedEvent(NextMatchGame, 10000);
1577 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1578 DisplayError(buf, 0);
1579 appData.tourneyFile[0] = 0;
1583 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1584 DisplayFatalError(_("Can't have a match with no chess programs"),
1589 matchGame = roundNr = 1;
1590 first.matchWins = second.matchWins = totalTime = 0; // [HGM] match: needed in later matches
1594 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1597 InitBackEnd3 P((void))
1599 GameMode initialMode;
1603 if(!appData.icsActive && !appData.noChessProgram && !appData.matchMode && // mode involves only first engine
1604 !strcmp(appData.variant, "normal") && // no explicit variant request
1605 appData.NrRanks == -1 && appData.NrFiles == -1 && appData.holdingsSize == -1 && // no size overrides requested
1606 !SupportedVariant(first.variants, VariantNormal, 8, 8, 0, first.protocolVersion, "") && // but 'normal' won't work with engine
1607 !SupportedVariant(first.variants, VariantFischeRandom, 8, 8, 0, first.protocolVersion, "") ) { // nor will Chess960
1608 char c, *q = first.variants, *p = strchr(q, ',');
1609 if(p) *p = NULLCHAR;
1610 if(StringToVariant(q) != VariantUnknown) { // the engine can play a recognized variant, however
1612 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
1613 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
1614 ASSIGN(appData.variant, q); // fake user requested the first variant played by the engine
1615 Reset(TRUE, FALSE); // and re-initialize
1620 InitChessProgram(&first, startedFromSetupPosition);
1622 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1623 free(programVersion);
1624 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1625 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1626 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1629 if (appData.icsActive) {
1631 /* [DM] Make a console window if needed [HGM] merged ifs */
1637 if (*appData.icsCommPort != NULLCHAR)
1638 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1639 appData.icsCommPort);
1641 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1642 appData.icsHost, appData.icsPort);
1644 if( (len >= MSG_SIZ) && appData.debugMode )
1645 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1647 DisplayFatalError(buf, err, 1);
1652 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1654 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1655 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1656 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1657 } else if (appData.noChessProgram) {
1663 if (*appData.cmailGameName != NULLCHAR) {
1665 OpenLoopback(&cmailPR);
1667 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1671 DisplayMessage("", "");
1672 if (StrCaseCmp(appData.initialMode, "") == 0) {
1673 initialMode = BeginningOfGame;
1674 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1675 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1676 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1677 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1680 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1681 initialMode = TwoMachinesPlay;
1682 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1683 initialMode = AnalyzeFile;
1684 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1685 initialMode = AnalyzeMode;
1686 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1687 initialMode = MachinePlaysWhite;
1688 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1689 initialMode = MachinePlaysBlack;
1690 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1691 initialMode = EditGame;
1692 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1693 initialMode = EditPosition;
1694 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1695 initialMode = Training;
1697 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1698 if( (len >= MSG_SIZ) && appData.debugMode )
1699 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1701 DisplayFatalError(buf, 0, 2);
1705 if (appData.matchMode) {
1706 if(appData.tourneyFile[0]) { // start tourney from command line
1708 if(f = fopen(appData.tourneyFile, "r")) {
1709 ParseArgsFromFile(f); // make sure tourney parmeters re known
1711 appData.clockMode = TRUE;
1713 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1716 } else if (*appData.cmailGameName != NULLCHAR) {
1717 /* Set up cmail mode */
1718 ReloadCmailMsgEvent(TRUE);
1720 /* Set up other modes */
1721 if (initialMode == AnalyzeFile) {
1722 if (*appData.loadGameFile == NULLCHAR) {
1723 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1727 if (*appData.loadGameFile != NULLCHAR) {
1728 (void) LoadGameFromFile(appData.loadGameFile,
1729 appData.loadGameIndex,
1730 appData.loadGameFile, TRUE);
1731 } else if (*appData.loadPositionFile != NULLCHAR) {
1732 (void) LoadPositionFromFile(appData.loadPositionFile,
1733 appData.loadPositionIndex,
1734 appData.loadPositionFile);
1735 /* [HGM] try to make self-starting even after FEN load */
1736 /* to allow automatic setup of fairy variants with wtm */
1737 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1738 gameMode = BeginningOfGame;
1739 setboardSpoiledMachineBlack = 1;
1741 /* [HGM] loadPos: make that every new game uses the setup */
1742 /* from file as long as we do not switch variant */
1743 if(!blackPlaysFirst) {
1744 startedFromPositionFile = TRUE;
1745 CopyBoard(filePosition, boards[0]);
1746 CopyBoard(initialPosition, boards[0]);
1748 } else if(*appData.fen != NULLCHAR) {
1749 if(ParseFEN(filePosition, &blackPlaysFirst, appData.fen, TRUE) && !blackPlaysFirst) {
1750 startedFromPositionFile = TRUE;
1754 if (initialMode == AnalyzeMode) {
1755 if (appData.noChessProgram) {
1756 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1759 if (appData.icsActive) {
1760 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1764 } else if (initialMode == AnalyzeFile) {
1765 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1766 ShowThinkingEvent();
1768 AnalysisPeriodicEvent(1);
1769 } else if (initialMode == MachinePlaysWhite) {
1770 if (appData.noChessProgram) {
1771 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1775 if (appData.icsActive) {
1776 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1780 MachineWhiteEvent();
1781 } else if (initialMode == MachinePlaysBlack) {
1782 if (appData.noChessProgram) {
1783 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1787 if (appData.icsActive) {
1788 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1792 MachineBlackEvent();
1793 } else if (initialMode == TwoMachinesPlay) {
1794 if (appData.noChessProgram) {
1795 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1799 if (appData.icsActive) {
1800 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1805 } else if (initialMode == EditGame) {
1807 } else if (initialMode == EditPosition) {
1808 EditPositionEvent();
1809 } else if (initialMode == Training) {
1810 if (*appData.loadGameFile == NULLCHAR) {
1811 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1820 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1822 DisplayBook(current+1);
1824 MoveHistorySet( movelist, first, last, current, pvInfoList );
1826 EvalGraphSet( first, last, current, pvInfoList );
1828 MakeEngineOutputTitle();
1832 * Establish will establish a contact to a remote host.port.
1833 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1834 * used to talk to the host.
1835 * Returns 0 if okay, error code if not.
1842 if (*appData.icsCommPort != NULLCHAR) {
1843 /* Talk to the host through a serial comm port */
1844 return OpenCommPort(appData.icsCommPort, &icsPR);
1846 } else if (*appData.gateway != NULLCHAR) {
1847 if (*appData.remoteShell == NULLCHAR) {
1848 /* Use the rcmd protocol to run telnet program on a gateway host */
1849 snprintf(buf, sizeof(buf), "%s %s %s",
1850 appData.telnetProgram, appData.icsHost, appData.icsPort);
1851 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1854 /* Use the rsh program to run telnet program on a gateway host */
1855 if (*appData.remoteUser == NULLCHAR) {
1856 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1857 appData.gateway, appData.telnetProgram,
1858 appData.icsHost, appData.icsPort);
1860 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1861 appData.remoteShell, appData.gateway,
1862 appData.remoteUser, appData.telnetProgram,
1863 appData.icsHost, appData.icsPort);
1865 return StartChildProcess(buf, "", &icsPR);
1868 } else if (appData.useTelnet) {
1869 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1872 /* TCP socket interface differs somewhat between
1873 Unix and NT; handle details in the front end.
1875 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1880 EscapeExpand (char *p, char *q)
1881 { // [HGM] initstring: routine to shape up string arguments
1882 while(*p++ = *q++) if(p[-1] == '\\')
1884 case 'n': p[-1] = '\n'; break;
1885 case 'r': p[-1] = '\r'; break;
1886 case 't': p[-1] = '\t'; break;
1887 case '\\': p[-1] = '\\'; break;
1888 case 0: *p = 0; return;
1889 default: p[-1] = q[-1]; break;
1894 show_bytes (FILE *fp, char *buf, int count)
1897 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1898 fprintf(fp, "\\%03o", *buf & 0xff);
1907 /* Returns an errno value */
1909 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1911 char buf[8192], *p, *q, *buflim;
1912 int left, newcount, outcount;
1914 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1915 *appData.gateway != NULLCHAR) {
1916 if (appData.debugMode) {
1917 fprintf(debugFP, ">ICS: ");
1918 show_bytes(debugFP, message, count);
1919 fprintf(debugFP, "\n");
1921 return OutputToProcess(pr, message, count, outError);
1924 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1931 if (appData.debugMode) {
1932 fprintf(debugFP, ">ICS: ");
1933 show_bytes(debugFP, buf, newcount);
1934 fprintf(debugFP, "\n");
1936 outcount = OutputToProcess(pr, buf, newcount, outError);
1937 if (outcount < newcount) return -1; /* to be sure */
1944 } else if (((unsigned char) *p) == TN_IAC) {
1945 *q++ = (char) TN_IAC;
1952 if (appData.debugMode) {
1953 fprintf(debugFP, ">ICS: ");
1954 show_bytes(debugFP, buf, newcount);
1955 fprintf(debugFP, "\n");
1957 outcount = OutputToProcess(pr, buf, newcount, outError);
1958 if (outcount < newcount) return -1; /* to be sure */
1963 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1965 int outError, outCount;
1966 static int gotEof = 0;
1969 /* Pass data read from player on to ICS */
1972 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1973 if (outCount < count) {
1974 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1976 if(have_sent_ICS_logon == 2) {
1977 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1978 fprintf(ini, "%s", message);
1979 have_sent_ICS_logon = 3;
1981 have_sent_ICS_logon = 1;
1982 } else if(have_sent_ICS_logon == 3) {
1983 fprintf(ini, "%s", message);
1985 have_sent_ICS_logon = 1;
1987 } else if (count < 0) {
1988 RemoveInputSource(isr);
1989 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1990 } else if (gotEof++ > 0) {
1991 RemoveInputSource(isr);
1992 DisplayFatalError(_("Got end of file from keyboard"), 0, 666); // [HGM] 666 is kludge to alert front end
1998 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1999 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
2000 connectionAlive = FALSE; // only sticks if no response to 'date' command.
2001 SendToICS("date\n");
2002 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
2005 /* added routine for printf style output to ics */
2007 ics_printf (char *format, ...)
2009 char buffer[MSG_SIZ];
2012 va_start(args, format);
2013 vsnprintf(buffer, sizeof(buffer), format, args);
2014 buffer[sizeof(buffer)-1] = '\0';
2022 int count, outCount, outError;
2024 if (icsPR == NoProc) return;
2027 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
2028 if (outCount < count) {
2029 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2033 /* This is used for sending logon scripts to the ICS. Sending
2034 without a delay causes problems when using timestamp on ICC
2035 (at least on my machine). */
2037 SendToICSDelayed (char *s, long msdelay)
2039 int count, outCount, outError;
2041 if (icsPR == NoProc) return;
2044 if (appData.debugMode) {
2045 fprintf(debugFP, ">ICS: ");
2046 show_bytes(debugFP, s, count);
2047 fprintf(debugFP, "\n");
2049 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
2051 if (outCount < count) {
2052 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2057 /* Remove all highlighting escape sequences in s
2058 Also deletes any suffix starting with '('
2061 StripHighlightAndTitle (char *s)
2063 static char retbuf[MSG_SIZ];
2066 while (*s != NULLCHAR) {
2067 while (*s == '\033') {
2068 while (*s != NULLCHAR && !isalpha(*s)) s++;
2069 if (*s != NULLCHAR) s++;
2071 while (*s != NULLCHAR && *s != '\033') {
2072 if (*s == '(' || *s == '[') {
2083 /* Remove all highlighting escape sequences in s */
2085 StripHighlight (char *s)
2087 static char retbuf[MSG_SIZ];
2090 while (*s != NULLCHAR) {
2091 while (*s == '\033') {
2092 while (*s != NULLCHAR && !isalpha(*s)) s++;
2093 if (*s != NULLCHAR) s++;
2095 while (*s != NULLCHAR && *s != '\033') {
2103 char engineVariant[MSG_SIZ];
2104 char *variantNames[] = VARIANT_NAMES;
2106 VariantName (VariantClass v)
2108 if(v == VariantUnknown || *engineVariant) return engineVariant;
2109 return variantNames[v];
2113 /* Identify a variant from the strings the chess servers use or the
2114 PGN Variant tag names we use. */
2116 StringToVariant (char *e)
2120 VariantClass v = VariantNormal;
2121 int i, found = FALSE;
2122 char buf[MSG_SIZ], c;
2127 /* [HGM] skip over optional board-size prefixes */
2128 if( sscanf(e, "%dx%d_%c", &i, &i, &c) == 3 ||
2129 sscanf(e, "%dx%d+%d_%c", &i, &i, &i, &c) == 4 ) {
2130 while( *e++ != '_');
2133 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2137 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2138 if (p = StrCaseStr(e, variantNames[i])) {
2139 if(p && i >= VariantShogi && (p != e && !appData.icsActive || isalpha(p[strlen(variantNames[i])]))) continue;
2140 v = (VariantClass) i;
2147 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2148 || StrCaseStr(e, "wild/fr")
2149 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2150 v = VariantFischeRandom;
2151 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2152 (i = 1, p = StrCaseStr(e, "w"))) {
2154 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2161 case 0: /* FICS only, actually */
2163 /* Castling legal even if K starts on d-file */
2164 v = VariantWildCastle;
2169 /* Castling illegal even if K & R happen to start in
2170 normal positions. */
2171 v = VariantNoCastle;
2184 /* Castling legal iff K & R start in normal positions */
2190 /* Special wilds for position setup; unclear what to do here */
2191 v = VariantLoadable;
2194 /* Bizarre ICC game */
2195 v = VariantTwoKings;
2198 v = VariantKriegspiel;
2204 v = VariantFischeRandom;
2207 v = VariantCrazyhouse;
2210 v = VariantBughouse;
2216 /* Not quite the same as FICS suicide! */
2217 v = VariantGiveaway;
2223 v = VariantShatranj;
2226 /* Temporary names for future ICC types. The name *will* change in
2227 the next xboard/WinBoard release after ICC defines it. */
2265 v = VariantCapablanca;
2268 v = VariantKnightmate;
2274 v = VariantCylinder;
2280 v = VariantCapaRandom;
2283 v = VariantBerolina;
2295 /* Found "wild" or "w" in the string but no number;
2296 must assume it's normal chess. */
2300 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2301 if( (len >= MSG_SIZ) && appData.debugMode )
2302 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2304 DisplayError(buf, 0);
2310 if (appData.debugMode) {
2311 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2312 e, wnum, VariantName(v));
2317 static int leftover_start = 0, leftover_len = 0;
2318 char star_match[STAR_MATCH_N][MSG_SIZ];
2320 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2321 advance *index beyond it, and set leftover_start to the new value of
2322 *index; else return FALSE. If pattern contains the character '*', it
2323 matches any sequence of characters not containing '\r', '\n', or the
2324 character following the '*' (if any), and the matched sequence(s) are
2325 copied into star_match.
2328 looking_at ( char *buf, int *index, char *pattern)
2330 char *bufp = &buf[*index], *patternp = pattern;
2332 char *matchp = star_match[0];
2335 if (*patternp == NULLCHAR) {
2336 *index = leftover_start = bufp - buf;
2340 if (*bufp == NULLCHAR) return FALSE;
2341 if (*patternp == '*') {
2342 if (*bufp == *(patternp + 1)) {
2344 matchp = star_match[++star_count];
2348 } else if (*bufp == '\n' || *bufp == '\r') {
2350 if (*patternp == NULLCHAR)
2355 *matchp++ = *bufp++;
2359 if (*patternp != *bufp) return FALSE;
2366 SendToPlayer (char *data, int length)
2368 int error, outCount;
2369 outCount = OutputToProcess(NoProc, data, length, &error);
2370 if (outCount < length) {
2371 DisplayFatalError(_("Error writing to display"), error, 1);
2376 PackHolding (char packed[], char *holding)
2386 switch (runlength) {
2397 sprintf(q, "%d", runlength);
2409 /* Telnet protocol requests from the front end */
2411 TelnetRequest (unsigned char ddww, unsigned char option)
2413 unsigned char msg[3];
2414 int outCount, outError;
2416 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2418 if (appData.debugMode) {
2419 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2435 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2444 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2447 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2452 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2454 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2461 if (!appData.icsActive) return;
2462 TelnetRequest(TN_DO, TN_ECHO);
2468 if (!appData.icsActive) return;
2469 TelnetRequest(TN_DONT, TN_ECHO);
2473 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2475 /* put the holdings sent to us by the server on the board holdings area */
2476 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2480 if(gameInfo.holdingsWidth < 2) return;
2481 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2482 return; // prevent overwriting by pre-board holdings
2484 if( (int)lowestPiece >= BlackPawn ) {
2487 holdingsStartRow = BOARD_HEIGHT-1;
2490 holdingsColumn = BOARD_WIDTH-1;
2491 countsColumn = BOARD_WIDTH-2;
2492 holdingsStartRow = 0;
2496 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2497 board[i][holdingsColumn] = EmptySquare;
2498 board[i][countsColumn] = (ChessSquare) 0;
2500 while( (p=*holdings++) != NULLCHAR ) {
2501 piece = CharToPiece( ToUpper(p) );
2502 if(piece == EmptySquare) continue;
2503 /*j = (int) piece - (int) WhitePawn;*/
2504 j = PieceToNumber(piece);
2505 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2506 if(j < 0) continue; /* should not happen */
2507 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2508 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2509 board[holdingsStartRow+j*direction][countsColumn]++;
2515 VariantSwitch (Board board, VariantClass newVariant)
2517 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2518 static Board oldBoard;
2520 startedFromPositionFile = FALSE;
2521 if(gameInfo.variant == newVariant) return;
2523 /* [HGM] This routine is called each time an assignment is made to
2524 * gameInfo.variant during a game, to make sure the board sizes
2525 * are set to match the new variant. If that means adding or deleting
2526 * holdings, we shift the playing board accordingly
2527 * This kludge is needed because in ICS observe mode, we get boards
2528 * of an ongoing game without knowing the variant, and learn about the
2529 * latter only later. This can be because of the move list we requested,
2530 * in which case the game history is refilled from the beginning anyway,
2531 * but also when receiving holdings of a crazyhouse game. In the latter
2532 * case we want to add those holdings to the already received position.
2536 if (appData.debugMode) {
2537 fprintf(debugFP, "Switch board from %s to %s\n",
2538 VariantName(gameInfo.variant), VariantName(newVariant));
2539 setbuf(debugFP, NULL);
2541 shuffleOpenings = 0; /* [HGM] shuffle */
2542 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2546 newWidth = 9; newHeight = 9;
2547 gameInfo.holdingsSize = 7;
2548 case VariantBughouse:
2549 case VariantCrazyhouse:
2550 newHoldingsWidth = 2; break;
2554 newHoldingsWidth = 2;
2555 gameInfo.holdingsSize = 8;
2558 case VariantCapablanca:
2559 case VariantCapaRandom:
2562 newHoldingsWidth = gameInfo.holdingsSize = 0;
2565 if(newWidth != gameInfo.boardWidth ||
2566 newHeight != gameInfo.boardHeight ||
2567 newHoldingsWidth != gameInfo.holdingsWidth ) {
2569 /* shift position to new playing area, if needed */
2570 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2571 for(i=0; i<BOARD_HEIGHT; i++)
2572 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2573 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2575 for(i=0; i<newHeight; i++) {
2576 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2577 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2579 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2580 for(i=0; i<BOARD_HEIGHT; i++)
2581 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2582 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2585 board[HOLDINGS_SET] = 0;
2586 gameInfo.boardWidth = newWidth;
2587 gameInfo.boardHeight = newHeight;
2588 gameInfo.holdingsWidth = newHoldingsWidth;
2589 gameInfo.variant = newVariant;
2590 InitDrawingSizes(-2, 0);
2591 } else gameInfo.variant = newVariant;
2592 CopyBoard(oldBoard, board); // remember correctly formatted board
2593 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2594 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2597 static int loggedOn = FALSE;
2599 /*-- Game start info cache: --*/
2601 char gs_kind[MSG_SIZ];
2602 static char player1Name[128] = "";
2603 static char player2Name[128] = "";
2604 static char cont_seq[] = "\n\\ ";
2605 static int player1Rating = -1;
2606 static int player2Rating = -1;
2607 /*----------------------------*/
2609 ColorClass curColor = ColorNormal;
2610 int suppressKibitz = 0;
2613 Boolean soughtPending = FALSE;
2614 Boolean seekGraphUp;
2615 #define MAX_SEEK_ADS 200
2617 char *seekAdList[MAX_SEEK_ADS];
2618 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2619 float tcList[MAX_SEEK_ADS];
2620 char colorList[MAX_SEEK_ADS];
2621 int nrOfSeekAds = 0;
2622 int minRating = 1010, maxRating = 2800;
2623 int hMargin = 10, vMargin = 20, h, w;
2624 extern int squareSize, lineGap;
2629 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2630 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2631 if(r < minRating+100 && r >=0 ) r = minRating+100;
2632 if(r > maxRating) r = maxRating;
2633 if(tc < 1.f) tc = 1.f;
2634 if(tc > 95.f) tc = 95.f;
2635 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2636 y = ((double)r - minRating)/(maxRating - minRating)
2637 * (h-vMargin-squareSize/8-1) + vMargin;
2638 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2639 if(strstr(seekAdList[i], " u ")) color = 1;
2640 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2641 !strstr(seekAdList[i], "bullet") &&
2642 !strstr(seekAdList[i], "blitz") &&
2643 !strstr(seekAdList[i], "standard") ) color = 2;
2644 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2645 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2649 PlotSingleSeekAd (int i)
2655 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2657 char buf[MSG_SIZ], *ext = "";
2658 VariantClass v = StringToVariant(type);
2659 if(strstr(type, "wild")) {
2660 ext = type + 4; // append wild number
2661 if(v == VariantFischeRandom) type = "chess960"; else
2662 if(v == VariantLoadable) type = "setup"; else
2663 type = VariantName(v);
2665 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2666 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2667 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2668 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2669 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2670 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2671 seekNrList[nrOfSeekAds] = nr;
2672 zList[nrOfSeekAds] = 0;
2673 seekAdList[nrOfSeekAds++] = StrSave(buf);
2674 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2679 EraseSeekDot (int i)
2681 int x = xList[i], y = yList[i], d=squareSize/4, k;
2682 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2683 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2684 // now replot every dot that overlapped
2685 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2686 int xx = xList[k], yy = yList[k];
2687 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2688 DrawSeekDot(xx, yy, colorList[k]);
2693 RemoveSeekAd (int nr)
2696 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2698 if(seekAdList[i]) free(seekAdList[i]);
2699 seekAdList[i] = seekAdList[--nrOfSeekAds];
2700 seekNrList[i] = seekNrList[nrOfSeekAds];
2701 ratingList[i] = ratingList[nrOfSeekAds];
2702 colorList[i] = colorList[nrOfSeekAds];
2703 tcList[i] = tcList[nrOfSeekAds];
2704 xList[i] = xList[nrOfSeekAds];
2705 yList[i] = yList[nrOfSeekAds];
2706 zList[i] = zList[nrOfSeekAds];
2707 seekAdList[nrOfSeekAds] = NULL;
2713 MatchSoughtLine (char *line)
2715 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2716 int nr, base, inc, u=0; char dummy;
2718 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2719 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2721 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2722 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2723 // match: compact and save the line
2724 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2734 if(!seekGraphUp) return FALSE;
2735 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap + 2*border;
2736 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap + 2*border;
2738 DrawSeekBackground(0, 0, w, h);
2739 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2740 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2741 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2742 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2744 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2747 snprintf(buf, MSG_SIZ, "%d", i);
2748 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2751 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2752 for(i=1; i<100; i+=(i<10?1:5)) {
2753 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2754 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2755 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2757 snprintf(buf, MSG_SIZ, "%d", i);
2758 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2761 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2766 SeekGraphClick (ClickType click, int x, int y, int moving)
2768 static int lastDown = 0, displayed = 0, lastSecond;
2769 if(y < 0) return FALSE;
2770 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2771 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2772 if(!seekGraphUp) return FALSE;
2773 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2774 DrawPosition(TRUE, NULL);
2777 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2778 if(click == Release || moving) return FALSE;
2780 soughtPending = TRUE;
2781 SendToICS(ics_prefix);
2782 SendToICS("sought\n"); // should this be "sought all"?
2783 } else { // issue challenge based on clicked ad
2784 int dist = 10000; int i, closest = 0, second = 0;
2785 for(i=0; i<nrOfSeekAds; i++) {
2786 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2787 if(d < dist) { dist = d; closest = i; }
2788 second += (d - zList[i] < 120); // count in-range ads
2789 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2793 second = (second > 1);
2794 if(displayed != closest || second != lastSecond) {
2795 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2796 lastSecond = second; displayed = closest;
2798 if(click == Press) {
2799 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2802 } // on press 'hit', only show info
2803 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2804 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2805 SendToICS(ics_prefix);
2807 return TRUE; // let incoming board of started game pop down the graph
2808 } else if(click == Release) { // release 'miss' is ignored
2809 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2810 if(moving == 2) { // right up-click
2811 nrOfSeekAds = 0; // refresh graph
2812 soughtPending = TRUE;
2813 SendToICS(ics_prefix);
2814 SendToICS("sought\n"); // should this be "sought all"?
2817 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2818 // press miss or release hit 'pop down' seek graph
2819 seekGraphUp = FALSE;
2820 DrawPosition(TRUE, NULL);
2826 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2828 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2829 #define STARTED_NONE 0
2830 #define STARTED_MOVES 1
2831 #define STARTED_BOARD 2
2832 #define STARTED_OBSERVE 3
2833 #define STARTED_HOLDINGS 4
2834 #define STARTED_CHATTER 5
2835 #define STARTED_COMMENT 6
2836 #define STARTED_MOVES_NOHIDE 7
2838 static int started = STARTED_NONE;
2839 static char parse[20000];
2840 static int parse_pos = 0;
2841 static char buf[BUF_SIZE + 1];
2842 static int firstTime = TRUE, intfSet = FALSE;
2843 static ColorClass prevColor = ColorNormal;
2844 static int savingComment = FALSE;
2845 static int cmatch = 0; // continuation sequence match
2852 int backup; /* [DM] For zippy color lines */
2854 char talker[MSG_SIZ]; // [HGM] chat
2855 int channel, collective=0;
2857 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2859 if (appData.debugMode) {
2861 fprintf(debugFP, "<ICS: ");
2862 show_bytes(debugFP, data, count);
2863 fprintf(debugFP, "\n");
2867 if (appData.debugMode) { int f = forwardMostMove;
2868 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2869 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2870 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2873 /* If last read ended with a partial line that we couldn't parse,
2874 prepend it to the new read and try again. */
2875 if (leftover_len > 0) {
2876 for (i=0; i<leftover_len; i++)
2877 buf[i] = buf[leftover_start + i];
2880 /* copy new characters into the buffer */
2881 bp = buf + leftover_len;
2882 buf_len=leftover_len;
2883 for (i=0; i<count; i++)
2886 if (data[i] == '\r')
2889 // join lines split by ICS?
2890 if (!appData.noJoin)
2893 Joining just consists of finding matches against the
2894 continuation sequence, and discarding that sequence
2895 if found instead of copying it. So, until a match
2896 fails, there's nothing to do since it might be the
2897 complete sequence, and thus, something we don't want
2900 if (data[i] == cont_seq[cmatch])
2903 if (cmatch == strlen(cont_seq))
2905 cmatch = 0; // complete match. just reset the counter
2908 it's possible for the ICS to not include the space
2909 at the end of the last word, making our [correct]
2910 join operation fuse two separate words. the server
2911 does this when the space occurs at the width setting.
2913 if (!buf_len || buf[buf_len-1] != ' ')
2924 match failed, so we have to copy what matched before
2925 falling through and copying this character. In reality,
2926 this will only ever be just the newline character, but
2927 it doesn't hurt to be precise.
2929 strncpy(bp, cont_seq, cmatch);
2941 buf[buf_len] = NULLCHAR;
2942 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2947 while (i < buf_len) {
2948 /* Deal with part of the TELNET option negotiation
2949 protocol. We refuse to do anything beyond the
2950 defaults, except that we allow the WILL ECHO option,
2951 which ICS uses to turn off password echoing when we are
2952 directly connected to it. We reject this option
2953 if localLineEditing mode is on (always on in xboard)
2954 and we are talking to port 23, which might be a real
2955 telnet server that will try to keep WILL ECHO on permanently.
2957 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2958 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2959 unsigned char option;
2961 switch ((unsigned char) buf[++i]) {
2963 if (appData.debugMode)
2964 fprintf(debugFP, "\n<WILL ");
2965 switch (option = (unsigned char) buf[++i]) {
2967 if (appData.debugMode)
2968 fprintf(debugFP, "ECHO ");
2969 /* Reply only if this is a change, according
2970 to the protocol rules. */
2971 if (remoteEchoOption) break;
2972 if (appData.localLineEditing &&
2973 atoi(appData.icsPort) == TN_PORT) {
2974 TelnetRequest(TN_DONT, TN_ECHO);
2977 TelnetRequest(TN_DO, TN_ECHO);
2978 remoteEchoOption = TRUE;
2982 if (appData.debugMode)
2983 fprintf(debugFP, "%d ", option);
2984 /* Whatever this is, we don't want it. */
2985 TelnetRequest(TN_DONT, option);
2990 if (appData.debugMode)
2991 fprintf(debugFP, "\n<WONT ");
2992 switch (option = (unsigned char) buf[++i]) {
2994 if (appData.debugMode)
2995 fprintf(debugFP, "ECHO ");
2996 /* Reply only if this is a change, according
2997 to the protocol rules. */
2998 if (!remoteEchoOption) break;
3000 TelnetRequest(TN_DONT, TN_ECHO);
3001 remoteEchoOption = FALSE;
3004 if (appData.debugMode)
3005 fprintf(debugFP, "%d ", (unsigned char) option);
3006 /* Whatever this is, it must already be turned
3007 off, because we never agree to turn on
3008 anything non-default, so according to the
3009 protocol rules, we don't reply. */
3014 if (appData.debugMode)
3015 fprintf(debugFP, "\n<DO ");
3016 switch (option = (unsigned char) buf[++i]) {
3018 /* Whatever this is, we refuse to do it. */
3019 if (appData.debugMode)
3020 fprintf(debugFP, "%d ", option);
3021 TelnetRequest(TN_WONT, option);
3026 if (appData.debugMode)
3027 fprintf(debugFP, "\n<DONT ");
3028 switch (option = (unsigned char) buf[++i]) {
3030 if (appData.debugMode)
3031 fprintf(debugFP, "%d ", option);
3032 /* Whatever this is, we are already not doing
3033 it, because we never agree to do anything
3034 non-default, so according to the protocol
3035 rules, we don't reply. */
3040 if (appData.debugMode)
3041 fprintf(debugFP, "\n<IAC ");
3042 /* Doubled IAC; pass it through */
3046 if (appData.debugMode)
3047 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
3048 /* Drop all other telnet commands on the floor */
3051 if (oldi > next_out)
3052 SendToPlayer(&buf[next_out], oldi - next_out);
3058 /* OK, this at least will *usually* work */
3059 if (!loggedOn && looking_at(buf, &i, "ics%")) {
3063 if (loggedOn && !intfSet) {
3064 if (ics_type == ICS_ICC) {
3065 snprintf(str, MSG_SIZ,
3066 "/set-quietly interface %s\n/set-quietly style 12\n",
3068 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3069 strcat(str, "/set-2 51 1\n/set seek 1\n");
3070 } else if (ics_type == ICS_CHESSNET) {
3071 snprintf(str, MSG_SIZ, "/style 12\n");
3073 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
3074 strcat(str, programVersion);
3075 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
3076 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3077 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3079 strcat(str, "$iset nohighlight 1\n");
3081 strcat(str, "$iset lock 1\n$style 12\n");
3084 NotifyFrontendLogin();
3088 if (started == STARTED_COMMENT) {
3089 /* Accumulate characters in comment */
3090 parse[parse_pos++] = buf[i];
3091 if (buf[i] == '\n') {
3092 parse[parse_pos] = NULLCHAR;
3093 if(chattingPartner>=0) {
3095 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3096 OutputChatMessage(chattingPartner, mess);
3097 if(collective == 1) { // broadcasted talk also goes to private chatbox of talker
3099 talker[strlen(talker+1)-1] = NULLCHAR; // strip closing delimiter
3100 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3101 snprintf(mess, MSG_SIZ, "%s: %s", chatPartner[chattingPartner], parse);
3102 OutputChatMessage(p, mess);
3106 chattingPartner = -1;
3107 if(collective != 3) next_out = i+1; // [HGM] suppress printing in ICS window
3110 if(!suppressKibitz) // [HGM] kibitz
3111 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3112 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3113 int nrDigit = 0, nrAlph = 0, j;
3114 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3115 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3116 parse[parse_pos] = NULLCHAR;
3117 // try to be smart: if it does not look like search info, it should go to
3118 // ICS interaction window after all, not to engine-output window.
3119 for(j=0; j<parse_pos; j++) { // count letters and digits
3120 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3121 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3122 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3124 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3125 int depth=0; float score;
3126 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3127 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3128 pvInfoList[forwardMostMove-1].depth = depth;
3129 pvInfoList[forwardMostMove-1].score = 100*score;
3131 OutputKibitz(suppressKibitz, parse);
3134 if(gameMode == IcsObserving) // restore original ICS messages
3135 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3136 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3138 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3139 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3140 SendToPlayer(tmp, strlen(tmp));
3142 next_out = i+1; // [HGM] suppress printing in ICS window
3144 started = STARTED_NONE;
3146 /* Don't match patterns against characters in comment */
3151 if (started == STARTED_CHATTER) {
3152 if (buf[i] != '\n') {
3153 /* Don't match patterns against characters in chatter */
3157 started = STARTED_NONE;
3158 if(suppressKibitz) next_out = i+1;
3161 /* Kludge to deal with rcmd protocol */
3162 if (firstTime && looking_at(buf, &i, "\001*")) {
3163 DisplayFatalError(&buf[1], 0, 1);
3169 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3172 if (appData.debugMode)
3173 fprintf(debugFP, "ics_type %d\n", ics_type);
3176 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3177 ics_type = ICS_FICS;
3179 if (appData.debugMode)
3180 fprintf(debugFP, "ics_type %d\n", ics_type);
3183 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3184 ics_type = ICS_CHESSNET;
3186 if (appData.debugMode)
3187 fprintf(debugFP, "ics_type %d\n", ics_type);
3192 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3193 looking_at(buf, &i, "Logging you in as \"*\"") ||
3194 looking_at(buf, &i, "will be \"*\""))) {
3195 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3199 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3201 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3202 DisplayIcsInteractionTitle(buf);
3203 have_set_title = TRUE;
3206 /* skip finger notes */
3207 if (started == STARTED_NONE &&
3208 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3209 (buf[i] == '1' && buf[i+1] == '0')) &&
3210 buf[i+2] == ':' && buf[i+3] == ' ') {
3211 started = STARTED_CHATTER;
3217 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3218 if(appData.seekGraph) {
3219 if(soughtPending && MatchSoughtLine(buf+i)) {
3220 i = strstr(buf+i, "rated") - buf;
3221 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3222 next_out = leftover_start = i;
3223 started = STARTED_CHATTER;
3224 suppressKibitz = TRUE;
3227 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3228 && looking_at(buf, &i, "* ads displayed")) {
3229 soughtPending = FALSE;
3234 if(appData.autoRefresh) {
3235 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3236 int s = (ics_type == ICS_ICC); // ICC format differs
3238 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3239 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3240 looking_at(buf, &i, "*% "); // eat prompt
3241 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3242 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3243 next_out = i; // suppress
3246 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3247 char *p = star_match[0];
3249 if(seekGraphUp) RemoveSeekAd(atoi(p));
3250 while(*p && *p++ != ' '); // next
3252 looking_at(buf, &i, "*% "); // eat prompt
3253 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3260 /* skip formula vars */
3261 if (started == STARTED_NONE &&
3262 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3263 started = STARTED_CHATTER;
3268 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3269 if (appData.autoKibitz && started == STARTED_NONE &&
3270 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3271 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3272 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3273 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3274 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3275 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3276 suppressKibitz = TRUE;
3277 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3279 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3280 && (gameMode == IcsPlayingWhite)) ||
3281 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3282 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3283 started = STARTED_CHATTER; // own kibitz we simply discard
3285 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3286 parse_pos = 0; parse[0] = NULLCHAR;
3287 savingComment = TRUE;
3288 suppressKibitz = gameMode != IcsObserving ? 2 :
3289 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3293 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3294 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3295 && atoi(star_match[0])) {
3296 // suppress the acknowledgements of our own autoKibitz
3298 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3299 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3300 SendToPlayer(star_match[0], strlen(star_match[0]));
3301 if(looking_at(buf, &i, "*% ")) // eat prompt
3302 suppressKibitz = FALSE;
3306 } // [HGM] kibitz: end of patch
3308 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3310 // [HGM] chat: intercept tells by users for which we have an open chat window
3312 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3313 looking_at(buf, &i, "* whispers:") ||
3314 looking_at(buf, &i, "* kibitzes:") ||
3315 looking_at(buf, &i, "* shouts:") ||
3316 looking_at(buf, &i, "* c-shouts:") ||
3317 looking_at(buf, &i, "--> * ") ||
3318 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3319 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3320 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3321 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3323 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3324 chattingPartner = -1; collective = 0;
3326 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3327 for(p=0; p<MAX_CHAT; p++) {
3329 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3330 talker[0] = '['; strcat(talker, "] ");
3331 Colorize((channel == 1 ? ColorChannel1 : ColorChannel), FALSE);
3332 chattingPartner = p; break;
3335 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3336 for(p=0; p<MAX_CHAT; p++) {
3338 if(!strcmp("kibitzes", chatPartner[p])) {
3339 talker[0] = '['; strcat(talker, "] ");
3340 chattingPartner = p; break;
3343 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3344 for(p=0; p<MAX_CHAT; p++) {
3346 if(!strcmp("whispers", chatPartner[p])) {
3347 talker[0] = '['; strcat(talker, "] ");
3348 chattingPartner = p; break;
3351 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3352 if(buf[i-8] == '-' && buf[i-3] == 't')
3353 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3355 if(!strcmp("c-shouts", chatPartner[p])) {
3356 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3357 chattingPartner = p; break;
3360 if(chattingPartner < 0)
3361 for(p=0; p<MAX_CHAT; p++) {
3363 if(!strcmp("shouts", chatPartner[p])) {
3364 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3365 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3366 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3367 chattingPartner = p; break;
3371 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3372 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3374 Colorize(ColorTell, FALSE);
3375 if(collective) safeStrCpy(talker, "broadcasts: ", MSG_SIZ);
3377 chattingPartner = p; break;
3379 if(chattingPartner<0) i = oldi, safeStrCpy(lastTalker, talker+1, MSG_SIZ); else {
3380 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3381 started = STARTED_COMMENT;
3382 parse_pos = 0; parse[0] = NULLCHAR;
3383 savingComment = 3 + chattingPartner; // counts as TRUE
3384 if(collective == 3) i = oldi; else {
3385 suppressKibitz = TRUE;
3386 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3387 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3391 } // [HGM] chat: end of patch
3394 if (appData.zippyTalk || appData.zippyPlay) {
3395 /* [DM] Backup address for color zippy lines */
3397 if (loggedOn == TRUE)
3398 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3399 (appData.zippyPlay && ZippyMatch(buf, &backup)))
3402 } // [DM] 'else { ' deleted
3404 /* Regular tells and says */
3405 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3406 looking_at(buf, &i, "* (your partner) tells you: ") ||
3407 looking_at(buf, &i, "* says: ") ||
3408 /* Don't color "message" or "messages" output */
3409 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3410 looking_at(buf, &i, "*. * at *:*: ") ||
3411 looking_at(buf, &i, "--* (*:*): ") ||
3412 /* Message notifications (same color as tells) */
3413 looking_at(buf, &i, "* has left a message ") ||
3414 looking_at(buf, &i, "* just sent you a message:\n") ||
3415 /* Whispers and kibitzes */
3416 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3417 looking_at(buf, &i, "* kibitzes: ") ||
3419 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3421 if (tkind == 1 && strchr(star_match[0], ':')) {
3422 /* Avoid "tells you:" spoofs in channels */
3425 if (star_match[0][0] == NULLCHAR ||
3426 strchr(star_match[0], ' ') ||
3427 (tkind == 3 && strchr(star_match[1], ' '))) {
3428 /* Reject bogus matches */
3431 if (appData.colorize) {
3432 if (oldi > next_out) {
3433 SendToPlayer(&buf[next_out], oldi - next_out);
3438 Colorize(ColorTell, FALSE);
3439 curColor = ColorTell;
3442 Colorize(ColorKibitz, FALSE);
3443 curColor = ColorKibitz;
3446 p = strrchr(star_match[1], '(');
3453 Colorize(ColorChannel1, FALSE);
3454 curColor = ColorChannel1;
3456 Colorize(ColorChannel, FALSE);
3457 curColor = ColorChannel;
3461 curColor = ColorNormal;
3465 if (started == STARTED_NONE && appData.autoComment &&
3466 (gameMode == IcsObserving ||
3467 gameMode == IcsPlayingWhite ||
3468 gameMode == IcsPlayingBlack)) {
3469 parse_pos = i - oldi;
3470 memcpy(parse, &buf[oldi], parse_pos);
3471 parse[parse_pos] = NULLCHAR;
3472 started = STARTED_COMMENT;
3473 savingComment = TRUE;
3474 } else if(collective != 3) {
3475 started = STARTED_CHATTER;
3476 savingComment = FALSE;
3483 if (looking_at(buf, &i, "* s-shouts: ") ||
3484 looking_at(buf, &i, "* c-shouts: ")) {
3485 if (appData.colorize) {
3486 if (oldi > next_out) {
3487 SendToPlayer(&buf[next_out], oldi - next_out);
3490 Colorize(ColorSShout, FALSE);
3491 curColor = ColorSShout;
3494 started = STARTED_CHATTER;
3498 if (looking_at(buf, &i, "--->")) {
3503 if (looking_at(buf, &i, "* shouts: ") ||
3504 looking_at(buf, &i, "--> ")) {
3505 if (appData.colorize) {
3506 if (oldi > next_out) {
3507 SendToPlayer(&buf[next_out], oldi - next_out);
3510 Colorize(ColorShout, FALSE);
3511 curColor = ColorShout;
3514 started = STARTED_CHATTER;
3518 if (looking_at( buf, &i, "Challenge:")) {
3519 if (appData.colorize) {
3520 if (oldi > next_out) {
3521 SendToPlayer(&buf[next_out], oldi - next_out);
3524 Colorize(ColorChallenge, FALSE);
3525 curColor = ColorChallenge;
3531 if (looking_at(buf, &i, "* offers you") ||
3532 looking_at(buf, &i, "* offers to be") ||
3533 looking_at(buf, &i, "* would like to") ||
3534 looking_at(buf, &i, "* requests to") ||
3535 looking_at(buf, &i, "Your opponent offers") ||
3536 looking_at(buf, &i, "Your opponent requests")) {
3538 if (appData.colorize) {
3539 if (oldi > next_out) {
3540 SendToPlayer(&buf[next_out], oldi - next_out);
3543 Colorize(ColorRequest, FALSE);
3544 curColor = ColorRequest;
3549 if (looking_at(buf, &i, "* (*) seeking")) {
3550 if (appData.colorize) {
3551 if (oldi > next_out) {
3552 SendToPlayer(&buf[next_out], oldi - next_out);
3555 Colorize(ColorSeek, FALSE);
3556 curColor = ColorSeek;
3561 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3563 if (looking_at(buf, &i, "\\ ")) {
3564 if (prevColor != ColorNormal) {
3565 if (oldi > next_out) {
3566 SendToPlayer(&buf[next_out], oldi - next_out);
3569 Colorize(prevColor, TRUE);
3570 curColor = prevColor;
3572 if (savingComment) {
3573 parse_pos = i - oldi;
3574 memcpy(parse, &buf[oldi], parse_pos);
3575 parse[parse_pos] = NULLCHAR;
3576 started = STARTED_COMMENT;
3577 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3578 chattingPartner = savingComment - 3; // kludge to remember the box
3580 started = STARTED_CHATTER;
3585 if (looking_at(buf, &i, "Black Strength :") ||
3586 looking_at(buf, &i, "<<< style 10 board >>>") ||
3587 looking_at(buf, &i, "<10>") ||
3588 looking_at(buf, &i, "#@#")) {
3589 /* Wrong board style */
3591 SendToICS(ics_prefix);
3592 SendToICS("set style 12\n");
3593 SendToICS(ics_prefix);
3594 SendToICS("refresh\n");
3598 if (looking_at(buf, &i, "login:")) {
3599 if (!have_sent_ICS_logon) {
3601 have_sent_ICS_logon = 1;
3602 else // no init script was found
3603 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3604 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3605 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3610 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3611 (looking_at(buf, &i, "\n<12> ") ||
3612 looking_at(buf, &i, "<12> "))) {
3614 if (oldi > next_out) {
3615 SendToPlayer(&buf[next_out], oldi - next_out);
3618 started = STARTED_BOARD;
3623 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3624 looking_at(buf, &i, "<b1> ")) {
3625 if (oldi > next_out) {
3626 SendToPlayer(&buf[next_out], oldi - next_out);
3629 started = STARTED_HOLDINGS;
3634 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3636 /* Header for a move list -- first line */
3638 switch (ics_getting_history) {
3642 case BeginningOfGame:
3643 /* User typed "moves" or "oldmoves" while we
3644 were idle. Pretend we asked for these
3645 moves and soak them up so user can step
3646 through them and/or save them.
3649 gameMode = IcsObserving;
3652 ics_getting_history = H_GOT_UNREQ_HEADER;
3654 case EditGame: /*?*/
3655 case EditPosition: /*?*/
3656 /* Should above feature work in these modes too? */
3657 /* For now it doesn't */
3658 ics_getting_history = H_GOT_UNWANTED_HEADER;
3661 ics_getting_history = H_GOT_UNWANTED_HEADER;
3666 /* Is this the right one? */
3667 if (gameInfo.white && gameInfo.black &&
3668 strcmp(gameInfo.white, star_match[0]) == 0 &&
3669 strcmp(gameInfo.black, star_match[2]) == 0) {
3671 ics_getting_history = H_GOT_REQ_HEADER;
3674 case H_GOT_REQ_HEADER:
3675 case H_GOT_UNREQ_HEADER:
3676 case H_GOT_UNWANTED_HEADER:
3677 case H_GETTING_MOVES:
3678 /* Should not happen */
3679 DisplayError(_("Error gathering move list: two headers"), 0);
3680 ics_getting_history = H_FALSE;
3684 /* Save player ratings into gameInfo if needed */
3685 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3686 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3687 (gameInfo.whiteRating == -1 ||
3688 gameInfo.blackRating == -1)) {
3690 gameInfo.whiteRating = string_to_rating(star_match[1]);
3691 gameInfo.blackRating = string_to_rating(star_match[3]);
3692 if (appData.debugMode)
3693 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3694 gameInfo.whiteRating, gameInfo.blackRating);
3699 if (looking_at(buf, &i,
3700 "* * match, initial time: * minute*, increment: * second")) {
3701 /* Header for a move list -- second line */
3702 /* Initial board will follow if this is a wild game */
3703 if (gameInfo.event != NULL) free(gameInfo.event);
3704 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3705 gameInfo.event = StrSave(str);
3706 /* [HGM] we switched variant. Translate boards if needed. */
3707 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3711 if (looking_at(buf, &i, "Move ")) {
3712 /* Beginning of a move list */
3713 switch (ics_getting_history) {
3715 /* Normally should not happen */
3716 /* Maybe user hit reset while we were parsing */
3719 /* Happens if we are ignoring a move list that is not
3720 * the one we just requested. Common if the user
3721 * tries to observe two games without turning off
3724 case H_GETTING_MOVES:
3725 /* Should not happen */
3726 DisplayError(_("Error gathering move list: nested"), 0);
3727 ics_getting_history = H_FALSE;
3729 case H_GOT_REQ_HEADER:
3730 ics_getting_history = H_GETTING_MOVES;
3731 started = STARTED_MOVES;
3733 if (oldi > next_out) {
3734 SendToPlayer(&buf[next_out], oldi - next_out);
3737 case H_GOT_UNREQ_HEADER:
3738 ics_getting_history = H_GETTING_MOVES;
3739 started = STARTED_MOVES_NOHIDE;
3742 case H_GOT_UNWANTED_HEADER:
3743 ics_getting_history = H_FALSE;
3749 if (looking_at(buf, &i, "% ") ||
3750 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3751 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3752 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3753 soughtPending = FALSE;
3757 if(suppressKibitz) next_out = i;
3758 savingComment = FALSE;
3762 case STARTED_MOVES_NOHIDE:
3763 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3764 parse[parse_pos + i - oldi] = NULLCHAR;
3765 ParseGameHistory(parse);
3767 if (appData.zippyPlay && first.initDone) {
3768 FeedMovesToProgram(&first, forwardMostMove);
3769 if (gameMode == IcsPlayingWhite) {
3770 if (WhiteOnMove(forwardMostMove)) {
3771 if (first.sendTime) {
3772 if (first.useColors) {
3773 SendToProgram("black\n", &first);
3775 SendTimeRemaining(&first, TRUE);
3777 if (first.useColors) {
3778 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3780 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3781 first.maybeThinking = TRUE;
3783 if (first.usePlayother) {
3784 if (first.sendTime) {
3785 SendTimeRemaining(&first, TRUE);
3787 SendToProgram("playother\n", &first);
3793 } else if (gameMode == IcsPlayingBlack) {
3794 if (!WhiteOnMove(forwardMostMove)) {
3795 if (first.sendTime) {
3796 if (first.useColors) {
3797 SendToProgram("white\n", &first);
3799 SendTimeRemaining(&first, FALSE);
3801 if (first.useColors) {
3802 SendToProgram("black\n", &first);
3804 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3805 first.maybeThinking = TRUE;
3807 if (first.usePlayother) {
3808 if (first.sendTime) {
3809 SendTimeRemaining(&first, FALSE);
3811 SendToProgram("playother\n", &first);
3820 if (gameMode == IcsObserving && ics_gamenum == -1) {
3821 /* Moves came from oldmoves or moves command
3822 while we weren't doing anything else.
3824 currentMove = forwardMostMove;
3825 ClearHighlights();/*!!could figure this out*/
3826 flipView = appData.flipView;
3827 DrawPosition(TRUE, boards[currentMove]);
3828 DisplayBothClocks();
3829 snprintf(str, MSG_SIZ, "%s %s %s",
3830 gameInfo.white, _("vs."), gameInfo.black);
3834 /* Moves were history of an active game */
3835 if (gameInfo.resultDetails != NULL) {
3836 free(gameInfo.resultDetails);
3837 gameInfo.resultDetails = NULL;
3840 HistorySet(parseList, backwardMostMove,
3841 forwardMostMove, currentMove-1);
3842 DisplayMove(currentMove - 1);
3843 if (started == STARTED_MOVES) next_out = i;
3844 started = STARTED_NONE;
3845 ics_getting_history = H_FALSE;
3848 case STARTED_OBSERVE:
3849 started = STARTED_NONE;
3850 SendToICS(ics_prefix);
3851 SendToICS("refresh\n");
3857 if(bookHit) { // [HGM] book: simulate book reply
3858 static char bookMove[MSG_SIZ]; // a bit generous?
3860 programStats.nodes = programStats.depth = programStats.time =
3861 programStats.score = programStats.got_only_move = 0;
3862 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3864 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3865 strcat(bookMove, bookHit);
3866 HandleMachineMove(bookMove, &first);
3871 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3872 started == STARTED_HOLDINGS ||
3873 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3874 /* Accumulate characters in move list or board */
3875 parse[parse_pos++] = buf[i];
3878 /* Start of game messages. Mostly we detect start of game
3879 when the first board image arrives. On some versions
3880 of the ICS, though, we need to do a "refresh" after starting
3881 to observe in order to get the current board right away. */
3882 if (looking_at(buf, &i, "Adding game * to observation list")) {
3883 started = STARTED_OBSERVE;
3887 /* Handle auto-observe */
3888 if (appData.autoObserve &&
3889 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3890 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3892 /* Choose the player that was highlighted, if any. */
3893 if (star_match[0][0] == '\033' ||
3894 star_match[1][0] != '\033') {
3895 player = star_match[0];
3897 player = star_match[2];
3899 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3900 ics_prefix, StripHighlightAndTitle(player));
3903 /* Save ratings from notify string */
3904 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3905 player1Rating = string_to_rating(star_match[1]);
3906 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3907 player2Rating = string_to_rating(star_match[3]);
3909 if (appData.debugMode)
3911 "Ratings from 'Game notification:' %s %d, %s %d\n",
3912 player1Name, player1Rating,
3913 player2Name, player2Rating);
3918 /* Deal with automatic examine mode after a game,
3919 and with IcsObserving -> IcsExamining transition */
3920 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3921 looking_at(buf, &i, "has made you an examiner of game *")) {
3923 int gamenum = atoi(star_match[0]);
3924 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3925 gamenum == ics_gamenum) {
3926 /* We were already playing or observing this game;
3927 no need to refetch history */
3928 gameMode = IcsExamining;
3930 pauseExamForwardMostMove = forwardMostMove;
3931 } else if (currentMove < forwardMostMove) {
3932 ForwardInner(forwardMostMove);
3935 /* I don't think this case really can happen */
3936 SendToICS(ics_prefix);
3937 SendToICS("refresh\n");
3942 /* Error messages */
3943 // if (ics_user_moved) {
3944 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3945 if (looking_at(buf, &i, "Illegal move") ||
3946 looking_at(buf, &i, "Not a legal move") ||
3947 looking_at(buf, &i, "Your king is in check") ||
3948 looking_at(buf, &i, "It isn't your turn") ||
3949 looking_at(buf, &i, "It is not your move")) {
3951 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3952 currentMove = forwardMostMove-1;
3953 DisplayMove(currentMove - 1); /* before DMError */
3954 DrawPosition(FALSE, boards[currentMove]);
3955 SwitchClocks(forwardMostMove-1); // [HGM] race
3956 DisplayBothClocks();
3958 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3964 if (looking_at(buf, &i, "still have time") ||
3965 looking_at(buf, &i, "not out of time") ||
3966 looking_at(buf, &i, "either player is out of time") ||
3967 looking_at(buf, &i, "has timeseal; checking")) {
3968 /* We must have called his flag a little too soon */
3969 whiteFlag = blackFlag = FALSE;
3973 if (looking_at(buf, &i, "added * seconds to") ||
3974 looking_at(buf, &i, "seconds were added to")) {
3975 /* Update the clocks */
3976 SendToICS(ics_prefix);
3977 SendToICS("refresh\n");
3981 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3982 ics_clock_paused = TRUE;
3987 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3988 ics_clock_paused = FALSE;
3993 /* Grab player ratings from the Creating: message.
3994 Note we have to check for the special case when
3995 the ICS inserts things like [white] or [black]. */
3996 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3997 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3999 0 player 1 name (not necessarily white)
4001 2 empty, white, or black (IGNORED)
4002 3 player 2 name (not necessarily black)
4005 The names/ratings are sorted out when the game
4006 actually starts (below).
4008 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
4009 player1Rating = string_to_rating(star_match[1]);
4010 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
4011 player2Rating = string_to_rating(star_match[4]);
4013 if (appData.debugMode)
4015 "Ratings from 'Creating:' %s %d, %s %d\n",
4016 player1Name, player1Rating,
4017 player2Name, player2Rating);
4022 /* Improved generic start/end-of-game messages */
4023 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
4024 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
4025 /* If tkind == 0: */
4026 /* star_match[0] is the game number */
4027 /* [1] is the white player's name */
4028 /* [2] is the black player's name */
4029 /* For end-of-game: */
4030 /* [3] is the reason for the game end */
4031 /* [4] is a PGN end game-token, preceded by " " */
4032 /* For start-of-game: */
4033 /* [3] begins with "Creating" or "Continuing" */
4034 /* [4] is " *" or empty (don't care). */
4035 int gamenum = atoi(star_match[0]);
4036 char *whitename, *blackname, *why, *endtoken;
4037 ChessMove endtype = EndOfFile;
4040 whitename = star_match[1];
4041 blackname = star_match[2];
4042 why = star_match[3];
4043 endtoken = star_match[4];
4045 whitename = star_match[1];
4046 blackname = star_match[3];
4047 why = star_match[5];
4048 endtoken = star_match[6];
4051 /* Game start messages */
4052 if (strncmp(why, "Creating ", 9) == 0 ||
4053 strncmp(why, "Continuing ", 11) == 0) {
4054 gs_gamenum = gamenum;
4055 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
4056 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
4057 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
4059 if (appData.zippyPlay) {
4060 ZippyGameStart(whitename, blackname);
4063 partnerBoardValid = FALSE; // [HGM] bughouse
4067 /* Game end messages */
4068 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
4069 ics_gamenum != gamenum) {
4072 while (endtoken[0] == ' ') endtoken++;
4073 switch (endtoken[0]) {
4076 endtype = GameUnfinished;
4079 endtype = BlackWins;
4082 if (endtoken[1] == '/')
4083 endtype = GameIsDrawn;
4085 endtype = WhiteWins;
4088 GameEnds(endtype, why, GE_ICS);
4090 if (appData.zippyPlay && first.initDone) {
4091 ZippyGameEnd(endtype, why);
4092 if (first.pr == NoProc) {
4093 /* Start the next process early so that we'll
4094 be ready for the next challenge */
4095 StartChessProgram(&first);
4097 /* Send "new" early, in case this command takes
4098 a long time to finish, so that we'll be ready
4099 for the next challenge. */
4100 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4104 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4108 if (looking_at(buf, &i, "Removing game * from observation") ||
4109 looking_at(buf, &i, "no longer observing game *") ||
4110 looking_at(buf, &i, "Game * (*) has no examiners")) {
4111 if (gameMode == IcsObserving &&
4112 atoi(star_match[0]) == ics_gamenum)
4114 /* icsEngineAnalyze */
4115 if (appData.icsEngineAnalyze) {
4122 ics_user_moved = FALSE;
4127 if (looking_at(buf, &i, "no longer examining game *")) {
4128 if (gameMode == IcsExamining &&
4129 atoi(star_match[0]) == ics_gamenum)
4133 ics_user_moved = FALSE;
4138 /* Advance leftover_start past any newlines we find,
4139 so only partial lines can get reparsed */
4140 if (looking_at(buf, &i, "\n")) {
4141 prevColor = curColor;
4142 if (curColor != ColorNormal) {
4143 if (oldi > next_out) {
4144 SendToPlayer(&buf[next_out], oldi - next_out);
4147 Colorize(ColorNormal, FALSE);
4148 curColor = ColorNormal;
4150 if (started == STARTED_BOARD) {
4151 started = STARTED_NONE;
4152 parse[parse_pos] = NULLCHAR;
4153 ParseBoard12(parse);
4156 /* Send premove here */
4157 if (appData.premove) {
4159 if (currentMove == 0 &&
4160 gameMode == IcsPlayingWhite &&
4161 appData.premoveWhite) {
4162 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4163 if (appData.debugMode)
4164 fprintf(debugFP, "Sending premove:\n");
4166 } else if (currentMove == 1 &&
4167 gameMode == IcsPlayingBlack &&
4168 appData.premoveBlack) {
4169 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4170 if (appData.debugMode)
4171 fprintf(debugFP, "Sending premove:\n");
4173 } else if (gotPremove) {
4174 int oldFMM = forwardMostMove;
4176 ClearPremoveHighlights();
4177 if (appData.debugMode)
4178 fprintf(debugFP, "Sending premove:\n");
4179 UserMoveEvent(premoveFromX, premoveFromY,
4180 premoveToX, premoveToY,
4182 if(forwardMostMove == oldFMM) { // premove was rejected, highlight last opponent move
4183 if(moveList[oldFMM-1][1] != '@')
4184 SetHighlights(moveList[oldFMM-1][0]-AAA, moveList[oldFMM-1][1]-ONE,
4185 moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4187 SetHighlights(-1, -1, moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4192 /* Usually suppress following prompt */
4193 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4194 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4195 if (looking_at(buf, &i, "*% ")) {
4196 savingComment = FALSE;
4201 } else if (started == STARTED_HOLDINGS) {
4203 char new_piece[MSG_SIZ];
4204 started = STARTED_NONE;
4205 parse[parse_pos] = NULLCHAR;
4206 if (appData.debugMode)
4207 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4208 parse, currentMove);
4209 if (sscanf(parse, " game %d", &gamenum) == 1) {
4210 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4211 if (gameInfo.variant == VariantNormal) {
4212 /* [HGM] We seem to switch variant during a game!
4213 * Presumably no holdings were displayed, so we have
4214 * to move the position two files to the right to
4215 * create room for them!
4217 VariantClass newVariant;
4218 switch(gameInfo.boardWidth) { // base guess on board width
4219 case 9: newVariant = VariantShogi; break;
4220 case 10: newVariant = VariantGreat; break;
4221 default: newVariant = VariantCrazyhouse; break;
4223 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4224 /* Get a move list just to see the header, which
4225 will tell us whether this is really bug or zh */
4226 if (ics_getting_history == H_FALSE) {
4227 ics_getting_history = H_REQUESTED;
4228 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4232 new_piece[0] = NULLCHAR;
4233 sscanf(parse, "game %d white [%s black [%s <- %s",
4234 &gamenum, white_holding, black_holding,
4236 white_holding[strlen(white_holding)-1] = NULLCHAR;
4237 black_holding[strlen(black_holding)-1] = NULLCHAR;
4238 /* [HGM] copy holdings to board holdings area */
4239 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4240 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4241 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4243 if (appData.zippyPlay && first.initDone) {
4244 ZippyHoldings(white_holding, black_holding,
4248 if (tinyLayout || smallLayout) {
4249 char wh[16], bh[16];
4250 PackHolding(wh, white_holding);
4251 PackHolding(bh, black_holding);
4252 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4253 gameInfo.white, gameInfo.black);
4255 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4256 gameInfo.white, white_holding, _("vs."),
4257 gameInfo.black, black_holding);
4259 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4260 DrawPosition(FALSE, boards[currentMove]);
4262 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4263 sscanf(parse, "game %d white [%s black [%s <- %s",
4264 &gamenum, white_holding, black_holding,
4266 white_holding[strlen(white_holding)-1] = NULLCHAR;
4267 black_holding[strlen(black_holding)-1] = NULLCHAR;
4268 /* [HGM] copy holdings to partner-board holdings area */
4269 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4270 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4271 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4272 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4273 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4276 /* Suppress following prompt */
4277 if (looking_at(buf, &i, "*% ")) {
4278 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4279 savingComment = FALSE;
4287 i++; /* skip unparsed character and loop back */
4290 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4291 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4292 // SendToPlayer(&buf[next_out], i - next_out);
4293 started != STARTED_HOLDINGS && leftover_start > next_out) {
4294 SendToPlayer(&buf[next_out], leftover_start - next_out);
4298 leftover_len = buf_len - leftover_start;
4299 /* if buffer ends with something we couldn't parse,
4300 reparse it after appending the next read */
4302 } else if (count == 0) {
4303 RemoveInputSource(isr);
4304 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4306 DisplayFatalError(_("Error reading from ICS"), error, 1);
4311 /* Board style 12 looks like this:
4313 <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
4315 * The "<12> " is stripped before it gets to this routine. The two
4316 * trailing 0's (flip state and clock ticking) are later addition, and
4317 * some chess servers may not have them, or may have only the first.
4318 * Additional trailing fields may be added in the future.
4321 #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"
4323 #define RELATION_OBSERVING_PLAYED 0
4324 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4325 #define RELATION_PLAYING_MYMOVE 1
4326 #define RELATION_PLAYING_NOTMYMOVE -1
4327 #define RELATION_EXAMINING 2
4328 #define RELATION_ISOLATED_BOARD -3
4329 #define RELATION_STARTING_POSITION -4 /* FICS only */
4332 ParseBoard12 (char *string)
4336 char *bookHit = NULL; // [HGM] book
4338 GameMode newGameMode;
4339 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4340 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4341 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4342 char to_play, board_chars[200];
4343 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4344 char black[32], white[32];
4346 int prevMove = currentMove;
4349 int fromX, fromY, toX, toY;
4351 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4352 Boolean weird = FALSE, reqFlag = FALSE;
4354 fromX = fromY = toX = toY = -1;
4358 if (appData.debugMode)
4359 fprintf(debugFP, "Parsing board: %s\n", string);
4361 move_str[0] = NULLCHAR;
4362 elapsed_time[0] = NULLCHAR;
4363 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4365 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4366 if(string[i] == ' ') { ranks++; files = 0; }
4368 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4371 for(j = 0; j <i; j++) board_chars[j] = string[j];
4372 board_chars[i] = '\0';
4375 n = sscanf(string, PATTERN, &to_play, &double_push,
4376 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4377 &gamenum, white, black, &relation, &basetime, &increment,
4378 &white_stren, &black_stren, &white_time, &black_time,
4379 &moveNum, str, elapsed_time, move_str, &ics_flip,
4383 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4384 DisplayError(str, 0);
4388 /* Convert the move number to internal form */
4389 moveNum = (moveNum - 1) * 2;
4390 if (to_play == 'B') moveNum++;
4391 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4392 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4398 case RELATION_OBSERVING_PLAYED:
4399 case RELATION_OBSERVING_STATIC:
4400 if (gamenum == -1) {
4401 /* Old ICC buglet */
4402 relation = RELATION_OBSERVING_STATIC;
4404 newGameMode = IcsObserving;
4406 case RELATION_PLAYING_MYMOVE:
4407 case RELATION_PLAYING_NOTMYMOVE:
4409 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4410 IcsPlayingWhite : IcsPlayingBlack;
4411 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4413 case RELATION_EXAMINING:
4414 newGameMode = IcsExamining;
4416 case RELATION_ISOLATED_BOARD:
4418 /* Just display this board. If user was doing something else,
4419 we will forget about it until the next board comes. */
4420 newGameMode = IcsIdle;
4422 case RELATION_STARTING_POSITION:
4423 newGameMode = gameMode;
4427 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4428 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4429 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4430 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4431 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4432 static int lastBgGame = -1;
4434 for (k = 0; k < ranks; k++) {
4435 for (j = 0; j < files; j++)
4436 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4437 if(gameInfo.holdingsWidth > 1) {
4438 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4439 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4442 CopyBoard(partnerBoard, board);
4443 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4444 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4445 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4446 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4447 if(toSqr = strchr(str, '-')) {
4448 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4449 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4450 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4451 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4452 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4453 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4455 DisplayWhiteClock(white_time*fac, to_play == 'W');
4456 DisplayBlackClock(black_time*fac, to_play != 'W');
4457 activePartner = to_play;
4458 if(gamenum != lastBgGame) {
4460 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4463 lastBgGame = gamenum;
4464 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4465 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4466 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4467 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4468 if(!twoBoards) DisplayMessage(partnerStatus, "");
4469 partnerBoardValid = TRUE;
4473 if(appData.dualBoard && appData.bgObserve) {
4474 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4475 SendToICS(ics_prefix), SendToICS("pobserve\n");
4476 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4478 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4483 /* Modify behavior for initial board display on move listing
4486 switch (ics_getting_history) {
4490 case H_GOT_REQ_HEADER:
4491 case H_GOT_UNREQ_HEADER:
4492 /* This is the initial position of the current game */
4493 gamenum = ics_gamenum;
4494 moveNum = 0; /* old ICS bug workaround */
4495 if (to_play == 'B') {
4496 startedFromSetupPosition = TRUE;
4497 blackPlaysFirst = TRUE;
4499 if (forwardMostMove == 0) forwardMostMove = 1;
4500 if (backwardMostMove == 0) backwardMostMove = 1;
4501 if (currentMove == 0) currentMove = 1;
4503 newGameMode = gameMode;
4504 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4506 case H_GOT_UNWANTED_HEADER:
4507 /* This is an initial board that we don't want */
4509 case H_GETTING_MOVES:
4510 /* Should not happen */
4511 DisplayError(_("Error gathering move list: extra board"), 0);
4512 ics_getting_history = H_FALSE;
4516 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4517 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4518 weird && (int)gameInfo.variant < (int)VariantShogi) {
4519 /* [HGM] We seem to have switched variant unexpectedly
4520 * Try to guess new variant from board size
4522 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4523 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4524 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4525 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4526 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4527 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4528 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4529 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4530 /* Get a move list just to see the header, which
4531 will tell us whether this is really bug or zh */
4532 if (ics_getting_history == H_FALSE) {
4533 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4534 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4539 /* Take action if this is the first board of a new game, or of a
4540 different game than is currently being displayed. */
4541 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4542 relation == RELATION_ISOLATED_BOARD) {
4544 /* Forget the old game and get the history (if any) of the new one */
4545 if (gameMode != BeginningOfGame) {
4549 if (appData.autoRaiseBoard) BoardToTop();
4551 if (gamenum == -1) {
4552 newGameMode = IcsIdle;
4553 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4554 appData.getMoveList && !reqFlag) {
4555 /* Need to get game history */
4556 ics_getting_history = H_REQUESTED;
4557 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4561 /* Initially flip the board to have black on the bottom if playing
4562 black or if the ICS flip flag is set, but let the user change
4563 it with the Flip View button. */
4564 flipView = appData.autoFlipView ?
4565 (newGameMode == IcsPlayingBlack) || ics_flip :
4568 /* Done with values from previous mode; copy in new ones */
4569 gameMode = newGameMode;
4571 ics_gamenum = gamenum;
4572 if (gamenum == gs_gamenum) {
4573 int klen = strlen(gs_kind);
4574 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4575 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4576 gameInfo.event = StrSave(str);
4578 gameInfo.event = StrSave("ICS game");
4580 gameInfo.site = StrSave(appData.icsHost);
4581 gameInfo.date = PGNDate();
4582 gameInfo.round = StrSave("-");
4583 gameInfo.white = StrSave(white);
4584 gameInfo.black = StrSave(black);
4585 timeControl = basetime * 60 * 1000;
4587 timeIncrement = increment * 1000;
4588 movesPerSession = 0;
4589 gameInfo.timeControl = TimeControlTagValue();
4590 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4591 if (appData.debugMode) {
4592 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4593 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4594 setbuf(debugFP, NULL);
4597 gameInfo.outOfBook = NULL;
4599 /* Do we have the ratings? */
4600 if (strcmp(player1Name, white) == 0 &&
4601 strcmp(player2Name, black) == 0) {
4602 if (appData.debugMode)
4603 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4604 player1Rating, player2Rating);
4605 gameInfo.whiteRating = player1Rating;
4606 gameInfo.blackRating = player2Rating;
4607 } else if (strcmp(player2Name, white) == 0 &&
4608 strcmp(player1Name, black) == 0) {
4609 if (appData.debugMode)
4610 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4611 player2Rating, player1Rating);
4612 gameInfo.whiteRating = player2Rating;
4613 gameInfo.blackRating = player1Rating;
4615 player1Name[0] = player2Name[0] = NULLCHAR;
4617 /* Silence shouts if requested */
4618 if (appData.quietPlay &&
4619 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4620 SendToICS(ics_prefix);
4621 SendToICS("set shout 0\n");
4625 /* Deal with midgame name changes */
4627 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4628 if (gameInfo.white) free(gameInfo.white);
4629 gameInfo.white = StrSave(white);
4631 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4632 if (gameInfo.black) free(gameInfo.black);
4633 gameInfo.black = StrSave(black);
4637 /* Throw away game result if anything actually changes in examine mode */
4638 if (gameMode == IcsExamining && !newGame) {
4639 gameInfo.result = GameUnfinished;
4640 if (gameInfo.resultDetails != NULL) {
4641 free(gameInfo.resultDetails);
4642 gameInfo.resultDetails = NULL;
4646 /* In pausing && IcsExamining mode, we ignore boards coming
4647 in if they are in a different variation than we are. */
4648 if (pauseExamInvalid) return;
4649 if (pausing && gameMode == IcsExamining) {
4650 if (moveNum <= pauseExamForwardMostMove) {
4651 pauseExamInvalid = TRUE;
4652 forwardMostMove = pauseExamForwardMostMove;
4657 if (appData.debugMode) {
4658 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4660 /* Parse the board */
4661 for (k = 0; k < ranks; k++) {
4662 for (j = 0; j < files; j++)
4663 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4664 if(gameInfo.holdingsWidth > 1) {
4665 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4666 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4669 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4670 board[5][BOARD_RGHT+1] = WhiteAngel;
4671 board[6][BOARD_RGHT+1] = WhiteMarshall;
4672 board[1][0] = BlackMarshall;
4673 board[2][0] = BlackAngel;
4674 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4676 CopyBoard(boards[moveNum], board);
4677 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4679 startedFromSetupPosition =
4680 !CompareBoards(board, initialPosition);
4681 if(startedFromSetupPosition)
4682 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4685 /* [HGM] Set castling rights. Take the outermost Rooks,
4686 to make it also work for FRC opening positions. Note that board12
4687 is really defective for later FRC positions, as it has no way to
4688 indicate which Rook can castle if they are on the same side of King.
4689 For the initial position we grant rights to the outermost Rooks,
4690 and remember thos rights, and we then copy them on positions
4691 later in an FRC game. This means WB might not recognize castlings with
4692 Rooks that have moved back to their original position as illegal,
4693 but in ICS mode that is not its job anyway.
4695 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4696 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4698 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4699 if(board[0][i] == WhiteRook) j = i;
4700 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4701 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4702 if(board[0][i] == WhiteRook) j = i;
4703 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4704 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4705 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4706 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4707 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4708 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4709 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4711 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4712 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4713 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4714 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4715 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4716 if(board[BOARD_HEIGHT-1][k] == bKing)
4717 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4718 if(gameInfo.variant == VariantTwoKings) {
4719 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4720 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4721 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4724 r = boards[moveNum][CASTLING][0] = initialRights[0];
4725 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4726 r = boards[moveNum][CASTLING][1] = initialRights[1];
4727 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4728 r = boards[moveNum][CASTLING][3] = initialRights[3];
4729 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4730 r = boards[moveNum][CASTLING][4] = initialRights[4];
4731 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4732 /* wildcastle kludge: always assume King has rights */
4733 r = boards[moveNum][CASTLING][2] = initialRights[2];
4734 r = boards[moveNum][CASTLING][5] = initialRights[5];
4736 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4737 boards[moveNum][EP_STATUS] = EP_NONE;
4738 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4739 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4740 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4743 if (ics_getting_history == H_GOT_REQ_HEADER ||
4744 ics_getting_history == H_GOT_UNREQ_HEADER) {
4745 /* This was an initial position from a move list, not
4746 the current position */
4750 /* Update currentMove and known move number limits */
4751 newMove = newGame || moveNum > forwardMostMove;
4754 forwardMostMove = backwardMostMove = currentMove = moveNum;
4755 if (gameMode == IcsExamining && moveNum == 0) {
4756 /* Workaround for ICS limitation: we are not told the wild
4757 type when starting to examine a game. But if we ask for
4758 the move list, the move list header will tell us */
4759 ics_getting_history = H_REQUESTED;
4760 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4763 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4764 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4766 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4767 /* [HGM] applied this also to an engine that is silently watching */
4768 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4769 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4770 gameInfo.variant == currentlyInitializedVariant) {
4771 takeback = forwardMostMove - moveNum;
4772 for (i = 0; i < takeback; i++) {
4773 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4774 SendToProgram("undo\n", &first);
4779 forwardMostMove = moveNum;
4780 if (!pausing || currentMove > forwardMostMove)
4781 currentMove = forwardMostMove;
4783 /* New part of history that is not contiguous with old part */
4784 if (pausing && gameMode == IcsExamining) {
4785 pauseExamInvalid = TRUE;
4786 forwardMostMove = pauseExamForwardMostMove;
4789 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4791 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4792 // [HGM] when we will receive the move list we now request, it will be
4793 // fed to the engine from the first move on. So if the engine is not
4794 // in the initial position now, bring it there.
4795 InitChessProgram(&first, 0);
4798 ics_getting_history = H_REQUESTED;
4799 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4802 forwardMostMove = backwardMostMove = currentMove = moveNum;
4805 /* Update the clocks */
4806 if (strchr(elapsed_time, '.')) {
4808 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4809 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4811 /* Time is in seconds */
4812 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4813 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4818 if (appData.zippyPlay && newGame &&
4819 gameMode != IcsObserving && gameMode != IcsIdle &&
4820 gameMode != IcsExamining)
4821 ZippyFirstBoard(moveNum, basetime, increment);
4824 /* Put the move on the move list, first converting
4825 to canonical algebraic form. */
4827 if (appData.debugMode) {
4828 int f = forwardMostMove;
4829 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4830 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4831 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4832 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4833 fprintf(debugFP, "moveNum = %d\n", moveNum);
4834 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4835 setbuf(debugFP, NULL);
4837 if (moveNum <= backwardMostMove) {
4838 /* We don't know what the board looked like before
4840 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4841 strcat(parseList[moveNum - 1], " ");
4842 strcat(parseList[moveNum - 1], elapsed_time);
4843 moveList[moveNum - 1][0] = NULLCHAR;
4844 } else if (strcmp(move_str, "none") == 0) {
4845 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4846 /* Again, we don't know what the board looked like;
4847 this is really the start of the game. */
4848 parseList[moveNum - 1][0] = NULLCHAR;
4849 moveList[moveNum - 1][0] = NULLCHAR;
4850 backwardMostMove = moveNum;
4851 startedFromSetupPosition = TRUE;
4852 fromX = fromY = toX = toY = -1;
4854 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4855 // So we parse the long-algebraic move string in stead of the SAN move
4856 int valid; char buf[MSG_SIZ], *prom;
4858 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4859 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4860 // str looks something like "Q/a1-a2"; kill the slash
4862 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4863 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4864 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4865 strcat(buf, prom); // long move lacks promo specification!
4866 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4867 if(appData.debugMode)
4868 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4869 safeStrCpy(move_str, buf, MSG_SIZ);
4871 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4872 &fromX, &fromY, &toX, &toY, &promoChar)
4873 || ParseOneMove(buf, moveNum - 1, &moveType,
4874 &fromX, &fromY, &toX, &toY, &promoChar);
4875 // end of long SAN patch
4877 (void) CoordsToAlgebraic(boards[moveNum - 1],
4878 PosFlags(moveNum - 1),
4879 fromY, fromX, toY, toX, promoChar,
4880 parseList[moveNum-1]);
4881 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4887 if(!IS_SHOGI(gameInfo.variant))
4888 strcat(parseList[moveNum - 1], "+");
4891 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4892 strcat(parseList[moveNum - 1], "#");
4895 strcat(parseList[moveNum - 1], " ");
4896 strcat(parseList[moveNum - 1], elapsed_time);
4897 /* currentMoveString is set as a side-effect of ParseOneMove */
4898 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4899 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4900 strcat(moveList[moveNum - 1], "\n");
4902 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4903 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4904 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4905 ChessSquare old, new = boards[moveNum][k][j];
4906 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4907 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4908 if(old == new) continue;
4909 if(old == PROMOTED(new)) boards[moveNum][k][j] = old;// prevent promoted pieces to revert to primordial ones
4910 else if(new == WhiteWazir || new == BlackWazir) {
4911 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4912 boards[moveNum][k][j] = PROMOTED(old); // choose correct type of Gold in promotion
4913 else boards[moveNum][k][j] = old; // preserve type of Gold
4914 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4915 boards[moveNum][k][j] = PROMOTED(new); // use non-primordial representation of chosen piece
4918 /* Move from ICS was illegal!? Punt. */
4919 if (appData.debugMode) {
4920 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4921 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4923 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4924 strcat(parseList[moveNum - 1], " ");
4925 strcat(parseList[moveNum - 1], elapsed_time);
4926 moveList[moveNum - 1][0] = NULLCHAR;
4927 fromX = fromY = toX = toY = -1;
4930 if (appData.debugMode) {
4931 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4932 setbuf(debugFP, NULL);
4936 /* Send move to chess program (BEFORE animating it). */
4937 if (appData.zippyPlay && !newGame && newMove &&
4938 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4940 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4941 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4942 if (moveList[moveNum - 1][0] == NULLCHAR) {
4943 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4945 DisplayError(str, 0);
4947 if (first.sendTime) {
4948 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4950 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4951 if (firstMove && !bookHit) {
4953 if (first.useColors) {
4954 SendToProgram(gameMode == IcsPlayingWhite ?
4956 "black\ngo\n", &first);
4958 SendToProgram("go\n", &first);
4960 first.maybeThinking = TRUE;
4963 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4964 if (moveList[moveNum - 1][0] == NULLCHAR) {
4965 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4966 DisplayError(str, 0);
4968 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4969 SendMoveToProgram(moveNum - 1, &first);
4976 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4977 /* If move comes from a remote source, animate it. If it
4978 isn't remote, it will have already been animated. */
4979 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4980 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4982 if (!pausing && appData.highlightLastMove) {
4983 SetHighlights(fromX, fromY, toX, toY);
4987 /* Start the clocks */
4988 whiteFlag = blackFlag = FALSE;
4989 appData.clockMode = !(basetime == 0 && increment == 0);
4991 ics_clock_paused = TRUE;
4993 } else if (ticking == 1) {
4994 ics_clock_paused = FALSE;
4996 if (gameMode == IcsIdle ||
4997 relation == RELATION_OBSERVING_STATIC ||
4998 relation == RELATION_EXAMINING ||
5000 DisplayBothClocks();
5004 /* Display opponents and material strengths */
5005 if (gameInfo.variant != VariantBughouse &&
5006 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
5007 if (tinyLayout || smallLayout) {
5008 if(gameInfo.variant == VariantNormal)
5009 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
5010 gameInfo.white, white_stren, gameInfo.black, black_stren,
5011 basetime, increment);
5013 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
5014 gameInfo.white, white_stren, gameInfo.black, black_stren,
5015 basetime, increment, (int) gameInfo.variant);
5017 if(gameInfo.variant == VariantNormal)
5018 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
5019 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5020 basetime, increment);
5022 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
5023 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5024 basetime, increment, VariantName(gameInfo.variant));
5027 if (appData.debugMode) {
5028 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
5033 /* Display the board */
5034 if (!pausing && !appData.noGUI) {
5036 if (appData.premove)
5038 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
5039 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
5040 ClearPremoveHighlights();
5042 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
5043 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
5044 DrawPosition(j, boards[currentMove]);
5046 DisplayMove(moveNum - 1);
5047 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
5048 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
5049 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
5050 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
5054 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5056 if(bookHit) { // [HGM] book: simulate book reply
5057 static char bookMove[MSG_SIZ]; // a bit generous?
5059 programStats.nodes = programStats.depth = programStats.time =
5060 programStats.score = programStats.got_only_move = 0;
5061 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5063 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
5064 strcat(bookMove, bookHit);
5065 HandleMachineMove(bookMove, &first);
5074 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
5075 ics_getting_history = H_REQUESTED;
5076 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
5082 SendToBoth (char *msg)
5083 { // to make it easy to keep two engines in step in dual analysis
5084 SendToProgram(msg, &first);
5085 if(second.analyzing) SendToProgram(msg, &second);
5089 AnalysisPeriodicEvent (int force)
5091 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5092 && !force) || !appData.periodicUpdates)
5095 /* Send . command to Crafty to collect stats */
5098 /* Don't send another until we get a response (this makes
5099 us stop sending to old Crafty's which don't understand
5100 the "." command (sending illegal cmds resets node count & time,
5101 which looks bad)) */
5102 programStats.ok_to_send = 0;
5106 ics_update_width (int new_width)
5108 ics_printf("set width %d\n", new_width);
5112 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5116 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5117 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5118 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5119 SendToProgram(buf, cps);
5122 // null move in variant where engine does not understand it (for analysis purposes)
5123 SendBoard(cps, moveNum + 1); // send position after move in stead.
5126 if (cps->useUsermove) {
5127 SendToProgram("usermove ", cps);
5131 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5132 int len = space - parseList[moveNum];
5133 memcpy(buf, parseList[moveNum], len);
5135 buf[len] = NULLCHAR;
5137 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5139 SendToProgram(buf, cps);
5141 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5142 AlphaRank(moveList[moveNum], 4);
5143 SendToProgram(moveList[moveNum], cps);
5144 AlphaRank(moveList[moveNum], 4); // and back
5146 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5147 * the engine. It would be nice to have a better way to identify castle
5149 if(appData.fischerCastling && cps->useOOCastle) {
5150 int fromX = moveList[moveNum][0] - AAA;
5151 int fromY = moveList[moveNum][1] - ONE;
5152 int toX = moveList[moveNum][2] - AAA;
5153 int toY = moveList[moveNum][3] - ONE;
5154 if((boards[moveNum][fromY][fromX] == WhiteKing
5155 && boards[moveNum][toY][toX] == WhiteRook)
5156 || (boards[moveNum][fromY][fromX] == BlackKing
5157 && boards[moveNum][toY][toX] == BlackRook)) {
5158 if(toX > fromX) SendToProgram("O-O\n", cps);
5159 else SendToProgram("O-O-O\n", cps);
5161 else SendToProgram(moveList[moveNum], cps);
5163 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5164 char *m = moveList[moveNum];
5166 *c = m[7]; if(*c == '\n') *c = NULLCHAR; // promoChar
5167 if((boards[moveNum][m[6]-ONE][m[5]-AAA] < BlackPawn) == (boards[moveNum][m[1]-ONE][m[0]-AAA] < BlackPawn)) // move is kludge to indicate castling
5168 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", m[0], m[1] - '0', // convert to two moves
5171 m[2] + (m[0] > m[5] ? 1 : -1), m[3] - '0');
5172 else if(*c && m[8]) { // kill square followed by 2 characters: 2nd kill square rather than promo suffix
5173 *c = m[9]; if(*c == '\n') *c = NULLCHAR;
5174 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d,%c%d%c%d%s\n", m[0], m[1] - '0', // convert to three moves
5179 m[2], m[3] - '0', c);
5181 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d%s\n", m[0], m[1] - '0', // convert to two moves
5184 m[2], m[3] - '0', c);
5185 SendToProgram(buf, cps);
5187 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5188 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5189 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5190 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5191 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5193 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5194 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5195 SendToProgram(buf, cps);
5197 else SendToProgram(moveList[moveNum], cps);
5198 /* End of additions by Tord */
5201 /* [HGM] setting up the opening has brought engine in force mode! */
5202 /* Send 'go' if we are in a mode where machine should play. */
5203 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5204 (gameMode == TwoMachinesPlay ||
5206 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5208 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5209 SendToProgram("go\n", cps);
5210 if (appData.debugMode) {
5211 fprintf(debugFP, "(extra)\n");
5214 setboardSpoiledMachineBlack = 0;
5218 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5220 char user_move[MSG_SIZ];
5223 if(gameInfo.variant == VariantSChess && promoChar) {
5224 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5225 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5226 } else suffix[0] = NULLCHAR;
5230 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5231 (int)moveType, fromX, fromY, toX, toY);
5232 DisplayError(user_move + strlen("say "), 0);
5234 case WhiteKingSideCastle:
5235 case BlackKingSideCastle:
5236 case WhiteQueenSideCastleWild:
5237 case BlackQueenSideCastleWild:
5239 case WhiteHSideCastleFR:
5240 case BlackHSideCastleFR:
5242 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5244 case WhiteQueenSideCastle:
5245 case BlackQueenSideCastle:
5246 case WhiteKingSideCastleWild:
5247 case BlackKingSideCastleWild:
5249 case WhiteASideCastleFR:
5250 case BlackASideCastleFR:
5252 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5254 case WhiteNonPromotion:
5255 case BlackNonPromotion:
5256 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5258 case WhitePromotion:
5259 case BlackPromotion:
5260 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5261 gameInfo.variant == VariantMakruk)
5262 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5263 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5264 PieceToChar(WhiteFerz));
5265 else if(gameInfo.variant == VariantGreat)
5266 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5267 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5268 PieceToChar(WhiteMan));
5270 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5271 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5277 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5278 ToUpper(PieceToChar((ChessSquare) fromX)),
5279 AAA + toX, ONE + toY);
5281 case IllegalMove: /* could be a variant we don't quite understand */
5282 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5284 case WhiteCapturesEnPassant:
5285 case BlackCapturesEnPassant:
5286 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5287 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5290 SendToICS(user_move);
5291 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5292 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5297 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5298 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5299 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5300 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5301 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5304 if(gameMode != IcsExamining) { // is this ever not the case?
5305 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5307 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5308 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5309 } else { // on FICS we must first go to general examine mode
5310 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5312 if(gameInfo.variant != VariantNormal) {
5313 // try figure out wild number, as xboard names are not always valid on ICS
5314 for(i=1; i<=36; i++) {
5315 snprintf(buf, MSG_SIZ, "wild/%d", i);
5316 if(StringToVariant(buf) == gameInfo.variant) break;
5318 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5319 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5320 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5321 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5322 SendToICS(ics_prefix);
5324 if(startedFromSetupPosition || backwardMostMove != 0) {
5325 fen = PositionToFEN(backwardMostMove, NULL, 1);
5326 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5327 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5329 } else { // FICS: everything has to set by separate bsetup commands
5330 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5331 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5333 if(!WhiteOnMove(backwardMostMove)) {
5334 SendToICS("bsetup tomove black\n");
5336 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5337 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5339 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5340 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5342 i = boards[backwardMostMove][EP_STATUS];
5343 if(i >= 0) { // set e.p.
5344 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5350 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5351 SendToICS("bsetup done\n"); // switch to normal examining.
5353 for(i = backwardMostMove; i<last; i++) {
5355 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5356 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5357 int len = strlen(moveList[i]);
5358 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5359 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5363 SendToICS(ics_prefix);
5364 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5367 int killX = -1, killY = -1, kill2X = -1, kill2Y = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5371 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[9])
5373 if (rf == DROP_RANK) {
5374 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5375 sprintf(move, "%c@%c%c\n",
5376 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5378 if (promoChar == 'x' || promoChar == NULLCHAR) {
5379 sprintf(move, "%c%c%c%c\n",
5380 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5381 if(killX >= 0 && killY >= 0) {
5382 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5383 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c\n", AAA + kill2X, ONE + kill2Y);
5386 sprintf(move, "%c%c%c%c%c\n",
5387 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5388 if(killX >= 0 && killY >= 0) {
5389 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5390 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c%c\n", AAA + kill2X, ONE + kill2Y, promoChar);
5397 ProcessICSInitScript (FILE *f)
5401 while (fgets(buf, MSG_SIZ, f)) {
5402 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5409 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5411 static ClickType lastClickType;
5414 PieceInString (char *s, ChessSquare piece)
5416 char *p, ID = ToUpper(PieceToChar(piece)), suffix = PieceSuffix(piece);
5417 while((p = strchr(s, ID))) {
5418 if(!suffix || p[1] == suffix) return TRUE;
5425 Partner (ChessSquare *p)
5426 { // change piece into promotion partner if one shogi-promotes to the other
5427 ChessSquare partner = promoPartner[*p];
5428 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5429 if(PieceToChar(*p) == '+') partner = boards[currentMove][fromY][fromX];
5437 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5438 static int toggleFlag;
5439 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5440 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5441 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5442 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5443 if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
5444 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5446 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5447 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5448 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5449 else if(promoSweep == BlackPawn && step < 0 && !toggleFlag) promoSweep = WhitePawn;
5450 else if(promoSweep == WhiteKing && step > 0 && !toggleFlag) promoSweep = BlackKing;
5451 if(!step) step = -1;
5452 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' ||
5453 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5454 promoRestrict[0] ? !PieceInString(promoRestrict, promoSweep) : // if choice set available, use it
5455 promoSweep == pawn ||
5456 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5457 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5459 int victim = boards[currentMove][toY][toX];
5460 boards[currentMove][toY][toX] = promoSweep;
5461 DrawPosition(FALSE, boards[currentMove]);
5462 boards[currentMove][toY][toX] = victim;
5464 ChangeDragPiece(promoSweep);
5468 PromoScroll (int x, int y)
5472 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5473 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5474 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5475 if(!step) return FALSE;
5476 lastX = x; lastY = y;
5477 if((promoSweep < BlackPawn) == flipView) step = -step;
5478 if(step > 0) selectFlag = 1;
5479 if(!selectFlag) Sweep(step);
5484 NextPiece (int step)
5486 ChessSquare piece = boards[currentMove][toY][toX];
5489 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5490 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5491 if(!step) step = -1;
5492 } while(PieceToChar(pieceSweep) == '.');
5493 boards[currentMove][toY][toX] = pieceSweep;
5494 DrawPosition(FALSE, boards[currentMove]);
5495 boards[currentMove][toY][toX] = piece;
5497 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5499 AlphaRank (char *move, int n)
5501 // char *p = move, c; int x, y;
5503 if (appData.debugMode) {
5504 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5508 move[2]>='0' && move[2]<='9' &&
5509 move[3]>='a' && move[3]<='x' ) {
5511 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5512 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5514 if(move[0]>='0' && move[0]<='9' &&
5515 move[1]>='a' && move[1]<='x' &&
5516 move[2]>='0' && move[2]<='9' &&
5517 move[3]>='a' && move[3]<='x' ) {
5518 /* input move, Shogi -> normal */
5519 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5520 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5521 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5522 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5525 move[3]>='0' && move[3]<='9' &&
5526 move[2]>='a' && move[2]<='x' ) {
5528 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5529 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5532 move[0]>='a' && move[0]<='x' &&
5533 move[3]>='0' && move[3]<='9' &&
5534 move[2]>='a' && move[2]<='x' ) {
5535 /* output move, normal -> Shogi */
5536 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5537 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5538 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5539 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5540 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5542 if (appData.debugMode) {
5543 fprintf(debugFP, " out = '%s'\n", move);
5547 char yy_textstr[8000];
5549 /* Parser for moves from gnuchess, ICS, or user typein box */
5551 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5553 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5555 switch (*moveType) {
5556 case WhitePromotion:
5557 case BlackPromotion:
5558 case WhiteNonPromotion:
5559 case BlackNonPromotion:
5562 case WhiteCapturesEnPassant:
5563 case BlackCapturesEnPassant:
5564 case WhiteKingSideCastle:
5565 case WhiteQueenSideCastle:
5566 case BlackKingSideCastle:
5567 case BlackQueenSideCastle:
5568 case WhiteKingSideCastleWild:
5569 case WhiteQueenSideCastleWild:
5570 case BlackKingSideCastleWild:
5571 case BlackQueenSideCastleWild:
5572 /* Code added by Tord: */
5573 case WhiteHSideCastleFR:
5574 case WhiteASideCastleFR:
5575 case BlackHSideCastleFR:
5576 case BlackASideCastleFR:
5577 /* End of code added by Tord */
5578 case IllegalMove: /* bug or odd chess variant */
5579 if(currentMoveString[1] == '@') { // illegal drop
5580 *fromX = WhiteOnMove(moveNum) ?
5581 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5582 (int) CharToPiece(ToLower(currentMoveString[0]));
5585 *fromX = currentMoveString[0] - AAA;
5586 *fromY = currentMoveString[1] - ONE;
5587 *toX = currentMoveString[2] - AAA;
5588 *toY = currentMoveString[3] - ONE;
5589 *promoChar = currentMoveString[4];
5590 if(*promoChar == ';') *promoChar = currentMoveString[7 + 2*(currentMoveString[8] != 0)];
5591 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5592 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5593 if (appData.debugMode) {
5594 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5596 *fromX = *fromY = *toX = *toY = 0;
5599 if (appData.testLegality) {
5600 return (*moveType != IllegalMove);
5602 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5603 // [HGM] lion: if this is a double move we are less critical
5604 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5609 *fromX = *moveType == WhiteDrop ?
5610 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5611 (int) CharToPiece(ToLower(currentMoveString[0]));
5614 *toX = currentMoveString[2] - AAA;
5615 *toY = currentMoveString[3] - ONE;
5616 *promoChar = NULLCHAR;
5620 case ImpossibleMove:
5630 if (appData.debugMode) {
5631 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5634 *fromX = *fromY = *toX = *toY = 0;
5635 *promoChar = NULLCHAR;
5640 Boolean pushed = FALSE;
5641 char *lastParseAttempt;
5644 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5645 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5646 int fromX, fromY, toX, toY; char promoChar;
5651 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5652 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5653 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5656 endPV = forwardMostMove;
5658 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5659 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5660 lastParseAttempt = pv;
5661 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5662 if(!valid && nr == 0 &&
5663 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5664 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5665 // Hande case where played move is different from leading PV move
5666 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5667 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5668 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5669 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5670 endPV += 2; // if position different, keep this
5671 moveList[endPV-1][0] = fromX + AAA;
5672 moveList[endPV-1][1] = fromY + ONE;
5673 moveList[endPV-1][2] = toX + AAA;
5674 moveList[endPV-1][3] = toY + ONE;
5675 parseList[endPV-1][0] = NULLCHAR;
5676 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5679 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5680 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5681 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5682 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5683 valid++; // allow comments in PV
5687 if(endPV+1 > framePtr) break; // no space, truncate
5690 CopyBoard(boards[endPV], boards[endPV-1]);
5691 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5692 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5693 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5694 CoordsToAlgebraic(boards[endPV - 1],
5695 PosFlags(endPV - 1),
5696 fromY, fromX, toY, toX, promoChar,
5697 parseList[endPV - 1]);
5699 if(atEnd == 2) return; // used hidden, for PV conversion
5700 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5701 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5702 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5703 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5704 DrawPosition(TRUE, boards[currentMove]);
5708 MultiPV (ChessProgramState *cps, int kind)
5709 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5711 for(i=0; i<cps->nrOptions; i++) {
5712 char *s = cps->option[i].name;
5713 if((kind & 1) && !StrCaseCmp(s, "MultiPV") && cps->option[i].type == Spin) return i;
5714 if((kind & 2) && StrCaseStr(s, "multi") && StrCaseStr(s, "PV")
5715 && StrCaseStr(s, "margin") && cps->option[i].type == Spin) return -i-2;
5720 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5721 static int multi, pv_margin;
5722 static ChessProgramState *activeCps;
5725 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5727 int startPV, lineStart, origIndex = index;
5728 char *p, buf2[MSG_SIZ];
5729 ChessProgramState *cps = (pane ? &second : &first);
5731 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5732 lastX = x; lastY = y;
5733 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5734 lineStart = startPV = index;
5735 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5736 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5738 do{ while(buf[index] && buf[index] != '\n') index++;
5739 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5741 if(lineStart == 0 && gameMode == AnalyzeMode) {
5743 if(origIndex > 17 && origIndex < 24) n--; else if(origIndex > index - 6) n++;
5744 if(n == 0) { // click not on "fewer" or "more"
5745 if((multi = -2 - MultiPV(cps, 2)) >= 0) {
5746 pv_margin = cps->option[multi].value;
5747 activeCps = cps; // non-null signals margin adjustment
5749 } else if((multi = MultiPV(cps, 1)) >= 0) {
5750 n += cps->option[multi].value; if(n < 1) n = 1;
5751 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5752 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5753 cps->option[multi].value = n;
5757 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5758 ExcludeClick(origIndex - lineStart);
5760 } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
5761 Collapse(origIndex - lineStart);
5764 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5765 *start = startPV; *end = index-1;
5766 extendGame = (gameMode == AnalyzeMode && appData.autoExtend && origIndex - startPV < 5);
5773 static char buf[10*MSG_SIZ];
5774 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5776 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5777 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5778 for(i = forwardMostMove; i<endPV; i++){
5779 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5780 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5783 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5784 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5785 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5791 LoadPV (int x, int y)
5792 { // called on right mouse click to load PV
5793 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5794 lastX = x; lastY = y;
5795 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5803 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5805 if(pv_margin != activeCps->option[multi].value) {
5807 snprintf(buf, MSG_SIZ, "option %s=%d\n", "Multi-PV Margin", pv_margin);
5808 SendToProgram(buf, activeCps);
5809 activeCps->option[multi].value = pv_margin;
5814 if(endPV < 0) return;
5815 if(appData.autoCopyPV) CopyFENToClipboard();
5817 if(extendGame && currentMove > forwardMostMove) {
5818 Boolean saveAnimate = appData.animate;
5820 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5821 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5822 } else storedGames--; // abandon shelved tail of original game
5825 forwardMostMove = currentMove;
5826 currentMove = oldFMM;
5827 appData.animate = FALSE;
5828 ToNrEvent(forwardMostMove);
5829 appData.animate = saveAnimate;
5831 currentMove = forwardMostMove;
5832 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5833 ClearPremoveHighlights();
5834 DrawPosition(TRUE, boards[currentMove]);
5838 MovePV (int x, int y, int h)
5839 { // step through PV based on mouse coordinates (called on mouse move)
5840 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5842 if(activeCps) { // adjusting engine's multi-pv margin
5843 if(x > lastX) pv_margin++; else
5844 if(x < lastX) pv_margin -= (pv_margin > 0);
5847 snprintf(buf, MSG_SIZ, "margin = %d", pv_margin);
5848 DisplayMessage(buf, "");
5853 // we must somehow check if right button is still down (might be released off board!)
5854 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5855 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5856 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5858 lastX = x; lastY = y;
5860 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5861 if(endPV < 0) return;
5862 if(y < margin) step = 1; else
5863 if(y > h - margin) step = -1;
5864 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5865 currentMove += step;
5866 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5867 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5868 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5869 DrawPosition(FALSE, boards[currentMove]);
5873 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5874 // All positions will have equal probability, but the current method will not provide a unique
5875 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5881 int piecesLeft[(int)BlackPawn];
5882 int seed, nrOfShuffles;
5885 GetPositionNumber ()
5886 { // sets global variable seed
5889 seed = appData.defaultFrcPosition;
5890 if(seed < 0) { // randomize based on time for negative FRC position numbers
5891 for(i=0; i<50; i++) seed += random();
5892 seed = random() ^ random() >> 8 ^ random() << 8;
5893 if(seed<0) seed = -seed;
5898 put (Board board, int pieceType, int rank, int n, int shade)
5899 // put the piece on the (n-1)-th empty squares of the given shade
5903 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5904 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5905 board[rank][i] = (ChessSquare) pieceType;
5906 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5908 piecesLeft[pieceType]--;
5917 AddOnePiece (Board board, int pieceType, int rank, int shade)
5918 // calculate where the next piece goes, (any empty square), and put it there
5922 i = seed % squaresLeft[shade];
5923 nrOfShuffles *= squaresLeft[shade];
5924 seed /= squaresLeft[shade];
5925 put(board, pieceType, rank, i, shade);
5929 AddTwoPieces (Board board, int pieceType, int rank)
5930 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5932 int i, n=squaresLeft[ANY], j=n-1, k;
5934 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5935 i = seed % k; // pick one
5938 while(i >= j) i -= j--;
5939 j = n - 1 - j; i += j;
5940 put(board, pieceType, rank, j, ANY);
5941 put(board, pieceType, rank, i, ANY);
5945 SetUpShuffle (Board board, int number)
5949 GetPositionNumber(); nrOfShuffles = 1;
5951 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5952 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5953 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5955 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5957 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5958 p = (int) board[0][i];
5959 if(p < (int) BlackPawn) piecesLeft[p] ++;
5960 board[0][i] = EmptySquare;
5963 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5964 // shuffles restricted to allow normal castling put KRR first
5965 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5966 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5967 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5968 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5969 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5970 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5971 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5972 put(board, WhiteRook, 0, 0, ANY);
5973 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5976 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5977 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5978 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5979 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5980 while(piecesLeft[p] >= 2) {
5981 AddOnePiece(board, p, 0, LITE);
5982 AddOnePiece(board, p, 0, DARK);
5984 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5987 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5988 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5989 // but we leave King and Rooks for last, to possibly obey FRC restriction
5990 if(p == (int)WhiteRook) continue;
5991 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5992 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5995 // now everything is placed, except perhaps King (Unicorn) and Rooks
5997 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5998 // Last King gets castling rights
5999 while(piecesLeft[(int)WhiteUnicorn]) {
6000 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
6001 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
6004 while(piecesLeft[(int)WhiteKing]) {
6005 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
6006 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
6011 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
6012 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
6015 // Only Rooks can be left; simply place them all
6016 while(piecesLeft[(int)WhiteRook]) {
6017 i = put(board, WhiteRook, 0, 0, ANY);
6018 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
6021 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
6023 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
6026 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
6027 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
6030 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
6034 ptclen (const char *s, char *escapes)
6037 if(!*escapes) return strlen(s);
6038 while(*s) n += (*s != '/' && *s != '-' && *s != '^' && *s != '*' && !strchr(escapes, *s)) - 2*(*s == '='), s++;
6043 SetCharTableEsc (unsigned char *table, const char * map, char * escapes)
6044 /* [HGM] moved here from winboard.c because of its general usefulness */
6045 /* Basically a safe strcpy that uses the last character as King */
6047 int result = FALSE; int NrPieces;
6048 unsigned char partner[EmptySquare];
6050 if( map != NULL && (NrPieces=ptclen(map, escapes)) <= (int) EmptySquare
6051 && NrPieces >= 12 && !(NrPieces&1)) {
6052 int i, ii, offs, j = 0; /* [HGM] Accept even length from 12 to 88 */
6054 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
6055 for( i=offs=0; i<NrPieces/2-1; i++ ) {
6057 if(map[j] == '/') offs = WhitePBishop - i, j++;
6058 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6059 table[i+offs] = map[j++];
6060 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6061 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6062 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6064 table[(int) WhiteKing] = map[j++];
6065 for( ii=offs=0; ii<NrPieces/2-1; ii++ ) {
6067 if(map[j] == '/') offs = WhitePBishop - ii, j++;
6068 i = WHITE_TO_BLACK ii;
6069 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6070 table[i+offs] = map[j++];
6071 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6072 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6073 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6075 table[(int) BlackKing] = map[j++];
6078 if(*escapes) { // set up promotion pairing
6079 for( i=0; i<(int) EmptySquare; i++ ) promoPartner[i] = (i%BlackPawn < 11 ? i + 11 : i%BlackPawn < 22 ? i - 11 : i); // default
6080 // pieceToChar entirely filled, so we can look up specified partners
6081 for(i=0; i<EmptySquare; i++) { // adjust promotion pairing
6083 if(c == '^' || c == '-') { // has specified partner
6085 for(p=0; p<EmptySquare; p++) if(table[p] == partner[i]) break;
6086 if(c == '^') table[i] = '+';
6087 if(p < EmptySquare) {
6088 if(promoPartner[promoPartner[p]] == p) promoPartner[promoPartner[p]] = promoPartner[p]; // divorce old partners
6089 if(promoPartner[promoPartner[i]] == i) promoPartner[promoPartner[i]] = promoPartner[i];
6090 promoPartner[p] = i, promoPartner[i] = p; // and marry this couple
6092 } else if(c == '*') {
6093 table[i] = partner[i];
6094 promoPartner[i] = (i < BlackPawn ? WhiteTokin : BlackTokin); // promotes to Tokin
6106 SetCharTable (unsigned char *table, const char * map)
6108 return SetCharTableEsc(table, map, "");
6112 Prelude (Board board)
6113 { // [HGM] superchess: random selection of exo-pieces
6114 int i, j, k; ChessSquare p;
6115 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
6117 GetPositionNumber(); // use FRC position number
6119 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
6120 SetCharTable(pieceToChar, appData.pieceToCharTable);
6121 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
6122 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
6125 j = seed%4; seed /= 4;
6126 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6127 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6128 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6129 j = seed%3 + (seed%3 >= j); seed /= 3;
6130 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6131 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6132 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6133 j = seed%3; seed /= 3;
6134 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6135 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6136 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6137 j = seed%2 + (seed%2 >= j); seed /= 2;
6138 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6139 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6140 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6141 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
6142 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
6143 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
6144 put(board, exoPieces[0], 0, 0, ANY);
6145 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
6149 InitPosition (int redraw)
6151 ChessSquare (* pieces)[BOARD_FILES];
6152 int i, j, pawnRow=1, pieceRows=1, overrule,
6153 oldx = gameInfo.boardWidth,
6154 oldy = gameInfo.boardHeight,
6155 oldh = gameInfo.holdingsWidth;
6158 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
6160 /* [AS] Initialize pv info list [HGM] and game status */
6162 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6163 pvInfoList[i].depth = 0;
6164 boards[i][EP_STATUS] = EP_NONE;
6165 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6168 initialRulePlies = 0; /* 50-move counter start */
6170 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6171 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6175 /* [HGM] logic here is completely changed. In stead of full positions */
6176 /* the initialized data only consist of the two backranks. The switch */
6177 /* selects which one we will use, which is than copied to the Board */
6178 /* initialPosition, which for the rest is initialized by Pawns and */
6179 /* empty squares. This initial position is then copied to boards[0], */
6180 /* possibly after shuffling, so that it remains available. */
6182 gameInfo.holdingsWidth = 0; /* default board sizes */
6183 gameInfo.boardWidth = 8;
6184 gameInfo.boardHeight = 8;
6185 gameInfo.holdingsSize = 0;
6186 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6187 for(i=0; i<BOARD_FILES-6; i++)
6188 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6189 initialPosition[EP_STATUS] = EP_NONE;
6190 initialPosition[TOUCHED_W] = initialPosition[TOUCHED_B] = 0;
6191 SetCharTableEsc(pieceToChar, "PNBRQ...........Kpnbrq...........k", SUFFIXES);
6192 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6193 SetCharTable(pieceNickName, appData.pieceNickNames);
6194 else SetCharTable(pieceNickName, "............");
6197 switch (gameInfo.variant) {
6198 case VariantFischeRandom:
6199 shuffleOpenings = TRUE;
6200 appData.fischerCastling = TRUE;
6203 case VariantShatranj:
6204 pieces = ShatranjArray;
6205 nrCastlingRights = 0;
6206 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6209 pieces = makrukArray;
6210 nrCastlingRights = 0;
6211 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6214 pieces = aseanArray;
6215 nrCastlingRights = 0;
6216 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6218 case VariantTwoKings:
6219 pieces = twoKingsArray;
6222 pieces = GrandArray;
6223 nrCastlingRights = 0;
6224 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6225 gameInfo.boardWidth = 10;
6226 gameInfo.boardHeight = 10;
6227 gameInfo.holdingsSize = 7;
6229 case VariantCapaRandom:
6230 shuffleOpenings = TRUE;
6231 appData.fischerCastling = TRUE;
6232 case VariantCapablanca:
6233 pieces = CapablancaArray;
6234 gameInfo.boardWidth = 10;
6235 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6238 pieces = GothicArray;
6239 gameInfo.boardWidth = 10;
6240 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6243 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6244 gameInfo.holdingsSize = 7;
6245 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6248 pieces = JanusArray;
6249 gameInfo.boardWidth = 10;
6250 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6251 nrCastlingRights = 6;
6252 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6253 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6254 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6255 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6256 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6257 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6260 pieces = FalconArray;
6261 gameInfo.boardWidth = 10;
6262 SetCharTable(pieceToChar, "PNBRQ............FKpnbrq............fk");
6264 case VariantXiangqi:
6265 pieces = XiangqiArray;
6266 gameInfo.boardWidth = 9;
6267 gameInfo.boardHeight = 10;
6268 nrCastlingRights = 0;
6269 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6272 pieces = ShogiArray;
6273 gameInfo.boardWidth = 9;
6274 gameInfo.boardHeight = 9;
6275 gameInfo.holdingsSize = 7;
6276 nrCastlingRights = 0;
6277 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6280 pieces = ChuArray; pieceRows = 3;
6281 gameInfo.boardWidth = 12;
6282 gameInfo.boardHeight = 12;
6283 nrCastlingRights = 0;
6284 // SetCharTableEsc(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN.........^T..^L......^A^H/^F^G^M.^E^X^O^I.^P.^B^R..^D^S^C^VK"
6285 // "p.brqsexogcathd.vmlifn.........^t..^l......^a^h/^f^g^m.^e^x^o^i.^p.^b^r..^d^s^c^vk", SUFFIXES);
6286 SetCharTableEsc(pieceToChar, "P.BRQSEXOG...HD..^DLI^HNV........^T..^L.C...A^AFT/^F^G^M.^E^X^O^I.^P.^B^R..M^S^C^VK"
6287 "p.brqsexog...hd..^dli^hnv........^t..^l.c...a^aft/^f^g^m.^e^x^o^i.^p.^b^r..m^s^c^vk", SUFFIXES);
6289 case VariantCourier:
6290 pieces = CourierArray;
6291 gameInfo.boardWidth = 12;
6292 nrCastlingRights = 0;
6293 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6295 case VariantKnightmate:
6296 pieces = KnightmateArray;
6297 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6299 case VariantSpartan:
6300 pieces = SpartanArray;
6301 SetCharTable(pieceToChar, "PNBRQ.....................K......lw......g...h......ck");
6305 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6307 case VariantChuChess:
6308 pieces = ChuChessArray;
6309 gameInfo.boardWidth = 10;
6310 gameInfo.boardHeight = 10;
6311 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6314 pieces = fairyArray;
6315 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6318 pieces = GreatArray;
6319 gameInfo.boardWidth = 10;
6320 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6321 gameInfo.holdingsSize = 8;
6325 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6326 gameInfo.holdingsSize = 8;
6327 startedFromSetupPosition = TRUE;
6329 case VariantCrazyhouse:
6330 case VariantBughouse:
6332 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6333 gameInfo.holdingsSize = 5;
6335 case VariantWildCastle:
6337 /* !!?shuffle with kings guaranteed to be on d or e file */
6338 shuffleOpenings = 1;
6340 case VariantNoCastle:
6342 nrCastlingRights = 0;
6343 /* !!?unconstrained back-rank shuffle */
6344 shuffleOpenings = 1;
6349 if(appData.NrFiles >= 0) {
6350 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6351 gameInfo.boardWidth = appData.NrFiles;
6353 if(appData.NrRanks >= 0) {
6354 gameInfo.boardHeight = appData.NrRanks;
6356 if(appData.holdingsSize >= 0) {
6357 i = appData.holdingsSize;
6358 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6359 gameInfo.holdingsSize = i;
6361 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6362 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6363 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6365 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6366 if(pawnRow < 1) pawnRow = 1;
6367 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6368 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6369 if(gameInfo.variant == VariantChu) pawnRow = 3;
6371 /* User pieceToChar list overrules defaults */
6372 if(appData.pieceToCharTable != NULL)
6373 SetCharTableEsc(pieceToChar, appData.pieceToCharTable, SUFFIXES);
6375 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6377 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6378 s = (ChessSquare) 0; /* account holding counts in guard band */
6379 for( i=0; i<BOARD_HEIGHT; i++ )
6380 initialPosition[i][j] = s;
6382 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6383 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6384 initialPosition[pawnRow][j] = WhitePawn;
6385 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6386 if(gameInfo.variant == VariantXiangqi) {
6388 initialPosition[pawnRow][j] =
6389 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6390 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6391 initialPosition[2][j] = WhiteCannon;
6392 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6396 if(gameInfo.variant == VariantChu) {
6397 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6398 initialPosition[pawnRow+1][j] = WhiteCobra,
6399 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6400 for(i=1; i<pieceRows; i++) {
6401 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6402 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6405 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6406 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6407 initialPosition[0][j] = WhiteRook;
6408 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6411 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6413 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6414 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6417 initialPosition[1][j] = WhiteBishop;
6418 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6420 initialPosition[1][j] = WhiteRook;
6421 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6424 if( nrCastlingRights == -1) {
6425 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6426 /* This sets default castling rights from none to normal corners */
6427 /* Variants with other castling rights must set them themselves above */
6428 nrCastlingRights = 6;
6430 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6431 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6432 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6433 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6434 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6435 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6438 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6439 if(gameInfo.variant == VariantGreat) { // promotion commoners
6440 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6441 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6442 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6443 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6445 if( gameInfo.variant == VariantSChess ) {
6446 initialPosition[1][0] = BlackMarshall;
6447 initialPosition[2][0] = BlackAngel;
6448 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6449 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6450 initialPosition[1][1] = initialPosition[2][1] =
6451 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6453 if (appData.debugMode) {
6454 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6456 if(shuffleOpenings) {
6457 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6458 startedFromSetupPosition = TRUE;
6460 if(startedFromPositionFile) {
6461 /* [HGM] loadPos: use PositionFile for every new game */
6462 CopyBoard(initialPosition, filePosition);
6463 for(i=0; i<nrCastlingRights; i++)
6464 initialRights[i] = filePosition[CASTLING][i];
6465 startedFromSetupPosition = TRUE;
6467 if(*appData.men) LoadPieceDesc(appData.men);
6469 CopyBoard(boards[0], initialPosition);
6471 if(oldx != gameInfo.boardWidth ||
6472 oldy != gameInfo.boardHeight ||
6473 oldv != gameInfo.variant ||
6474 oldh != gameInfo.holdingsWidth
6476 InitDrawingSizes(-2 ,0);
6478 oldv = gameInfo.variant;
6480 DrawPosition(TRUE, boards[currentMove]);
6484 SendBoard (ChessProgramState *cps, int moveNum)
6486 char message[MSG_SIZ];
6488 if (cps->useSetboard) {
6489 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6490 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6491 SendToProgram(message, cps);
6496 int i, j, left=0, right=BOARD_WIDTH;
6497 /* Kludge to set black to move, avoiding the troublesome and now
6498 * deprecated "black" command.
6500 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6501 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6503 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6505 SendToProgram("edit\n", cps);
6506 SendToProgram("#\n", cps);
6507 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6508 bp = &boards[moveNum][i][left];
6509 for (j = left; j < right; j++, bp++) {
6510 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6511 if ((int) *bp < (int) BlackPawn) {
6512 if(j == BOARD_RGHT+1)
6513 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6514 else snprintf(message, MSG_SIZ, "%c%c%d\n", PieceToChar(*bp), AAA + j, ONE + i - '0');
6515 if(message[0] == '+' || message[0] == '~') {
6516 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6517 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6518 AAA + j, ONE + i - '0');
6520 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6521 message[1] = BOARD_RGHT - 1 - j + '1';
6522 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6524 SendToProgram(message, cps);
6529 SendToProgram("c\n", cps);
6530 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6531 bp = &boards[moveNum][i][left];
6532 for (j = left; j < right; j++, bp++) {
6533 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6534 if (((int) *bp != (int) EmptySquare)
6535 && ((int) *bp >= (int) BlackPawn)) {
6536 if(j == BOARD_LEFT-2)
6537 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6538 else snprintf(message,MSG_SIZ, "%c%c%d\n", ToUpper(PieceToChar(*bp)),
6539 AAA + j, ONE + i - '0');
6540 if(message[0] == '+' || message[0] == '~') {
6541 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6542 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6543 AAA + j, ONE + i - '0');
6545 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6546 message[1] = BOARD_RGHT - 1 - j + '1';
6547 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6549 SendToProgram(message, cps);
6554 SendToProgram(".\n", cps);
6556 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6559 char exclusionHeader[MSG_SIZ];
6560 int exCnt, excludePtr;
6561 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6562 static Exclusion excluTab[200];
6563 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6569 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6570 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6576 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6577 excludePtr = 24; exCnt = 0;
6582 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6583 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6584 char buf[2*MOVE_LEN], *p;
6585 Exclusion *e = excluTab;
6587 for(i=0; i<exCnt; i++)
6588 if(e[i].ff == fromX && e[i].fr == fromY &&
6589 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6590 if(i == exCnt) { // was not in exclude list; add it
6591 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6592 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6593 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6596 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6597 excludePtr++; e[i].mark = excludePtr++;
6598 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6601 exclusionHeader[e[i].mark] = state;
6605 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6606 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6610 if((signed char)promoChar == -1) { // kludge to indicate best move
6611 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6612 return 1; // if unparsable, abort
6614 // update exclusion map (resolving toggle by consulting existing state)
6615 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6617 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6618 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6619 excludeMap[k] |= 1<<j;
6620 else excludeMap[k] &= ~(1<<j);
6622 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6624 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6625 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6627 return (state == '+');
6631 ExcludeClick (int index)
6634 Exclusion *e = excluTab;
6635 if(index < 25) { // none, best or tail clicked
6636 if(index < 13) { // none: include all
6637 WriteMap(0); // clear map
6638 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6639 SendToBoth("include all\n"); // and inform engine
6640 } else if(index > 18) { // tail
6641 if(exclusionHeader[19] == '-') { // tail was excluded
6642 SendToBoth("include all\n");
6643 WriteMap(0); // clear map completely
6644 // now re-exclude selected moves
6645 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6646 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6647 } else { // tail was included or in mixed state
6648 SendToBoth("exclude all\n");
6649 WriteMap(0xFF); // fill map completely
6650 // now re-include selected moves
6651 j = 0; // count them
6652 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6653 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6654 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6657 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6660 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6661 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6662 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6669 DefaultPromoChoice (int white)
6672 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6673 gameInfo.variant == VariantMakruk)
6674 result = WhiteFerz; // no choice
6675 else if(gameInfo.variant == VariantASEAN)
6676 result = WhiteRook; // no choice
6677 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6678 result= WhiteKing; // in Suicide Q is the last thing we want
6679 else if(gameInfo.variant == VariantSpartan)
6680 result = white ? WhiteQueen : WhiteAngel;
6681 else result = WhiteQueen;
6682 if(!white) result = WHITE_TO_BLACK result;
6686 static int autoQueen; // [HGM] oneclick
6689 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6691 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6692 /* [HGM] add Shogi promotions */
6693 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6694 ChessSquare piece, partner;
6698 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6699 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6701 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6702 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6705 piece = boards[currentMove][fromY][fromX];
6706 if(gameInfo.variant == VariantChu) {
6707 promotionZoneSize = BOARD_HEIGHT/3;
6708 highestPromotingPiece = (PieceToChar(piece) == '+' || PieceToChar(CHUPROMOTED(piece)) != '+') ? WhitePawn : WhiteKing;
6709 } else if(gameInfo.variant == VariantShogi) {
6710 promotionZoneSize = BOARD_HEIGHT/3 +(BOARD_HEIGHT == 8);
6711 highestPromotingPiece = (int)WhiteAlfil;
6712 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6713 promotionZoneSize = 3;
6716 // Treat Lance as Pawn when it is not representing Amazon or Lance
6717 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6718 if(piece == WhiteLance) piece = WhitePawn; else
6719 if(piece == BlackLance) piece = BlackPawn;
6722 // next weed out all moves that do not touch the promotion zone at all
6723 if((int)piece >= BlackPawn) {
6724 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6726 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6727 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6729 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6730 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6731 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6735 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6737 // weed out mandatory Shogi promotions
6738 if(gameInfo.variant == VariantShogi) {
6739 if(piece >= BlackPawn) {
6740 if(toY == 0 && piece == BlackPawn ||
6741 toY == 0 && piece == BlackQueen ||
6742 toY <= 1 && piece == BlackKnight) {
6747 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6748 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6749 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6756 // weed out obviously illegal Pawn moves
6757 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6758 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6759 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6760 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6761 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6762 // note we are not allowed to test for valid (non-)capture, due to premove
6765 // we either have a choice what to promote to, or (in Shogi) whether to promote
6766 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6767 gameInfo.variant == VariantMakruk) {
6768 ChessSquare p=BlackFerz; // no choice
6769 while(p < EmptySquare) { //but make sure we use piece that exists
6770 *promoChoice = PieceToChar(p++);
6771 if(*promoChoice != '.') break;
6773 if(!*engineVariant) return FALSE; // if used as parent variant there might be promotion choice
6775 // no sense asking what we must promote to if it is going to explode...
6776 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6777 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6780 // give caller the default choice even if we will not make it
6781 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6782 partner = piece; // pieces can promote if the pieceToCharTable says so
6783 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6784 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6785 if( sweepSelect && gameInfo.variant != VariantGreat
6786 && gameInfo.variant != VariantGrand
6787 && gameInfo.variant != VariantSuper) return FALSE;
6788 if(autoQueen) return FALSE; // predetermined
6790 // suppress promotion popup on illegal moves that are not premoves
6791 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6792 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6793 if(appData.testLegality && !premove) {
6794 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6795 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6796 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6797 if(moveType != WhitePromotion && moveType != BlackPromotion)
6805 InPalace (int row, int column)
6806 { /* [HGM] for Xiangqi */
6807 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6808 column < (BOARD_WIDTH + 4)/2 &&
6809 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6814 PieceForSquare (int x, int y)
6816 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6819 return boards[currentMove][y][x];
6823 OKToStartUserMove (int x, int y)
6825 ChessSquare from_piece;
6828 if (matchMode) return FALSE;
6829 if (gameMode == EditPosition) return TRUE;
6831 if (x >= 0 && y >= 0)
6832 from_piece = boards[currentMove][y][x];
6834 from_piece = EmptySquare;
6836 if (from_piece == EmptySquare) return FALSE;
6838 white_piece = (int)from_piece >= (int)WhitePawn &&
6839 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6843 case TwoMachinesPlay:
6851 case MachinePlaysWhite:
6852 case IcsPlayingBlack:
6853 if (appData.zippyPlay) return FALSE;
6855 DisplayMoveError(_("You are playing Black"));
6860 case MachinePlaysBlack:
6861 case IcsPlayingWhite:
6862 if (appData.zippyPlay) return FALSE;
6864 DisplayMoveError(_("You are playing White"));
6869 case PlayFromGameFile:
6870 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6873 if (!white_piece && WhiteOnMove(currentMove)) {
6874 DisplayMoveError(_("It is White's turn"));
6877 if (white_piece && !WhiteOnMove(currentMove)) {
6878 DisplayMoveError(_("It is Black's turn"));
6881 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6882 /* Editing correspondence game history */
6883 /* Could disallow this or prompt for confirmation */
6888 case BeginningOfGame:
6889 if (appData.icsActive) return FALSE;
6890 if (!appData.noChessProgram) {
6892 DisplayMoveError(_("You are playing White"));
6899 if (!white_piece && WhiteOnMove(currentMove)) {
6900 DisplayMoveError(_("It is White's turn"));
6903 if (white_piece && !WhiteOnMove(currentMove)) {
6904 DisplayMoveError(_("It is Black's turn"));
6913 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6914 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6915 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6916 && gameMode != AnalyzeFile && gameMode != Training) {
6917 DisplayMoveError(_("Displayed position is not current"));
6924 OnlyMove (int *x, int *y, Boolean captures)
6926 DisambiguateClosure cl;
6927 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6929 case MachinePlaysBlack:
6930 case IcsPlayingWhite:
6931 case BeginningOfGame:
6932 if(!WhiteOnMove(currentMove)) return FALSE;
6934 case MachinePlaysWhite:
6935 case IcsPlayingBlack:
6936 if(WhiteOnMove(currentMove)) return FALSE;
6943 cl.pieceIn = EmptySquare;
6948 cl.promoCharIn = NULLCHAR;
6949 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6950 if( cl.kind == NormalMove ||
6951 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6952 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6953 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6960 if(cl.kind != ImpossibleMove) return FALSE;
6961 cl.pieceIn = EmptySquare;
6966 cl.promoCharIn = NULLCHAR;
6967 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6968 if( cl.kind == NormalMove ||
6969 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6970 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6971 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6976 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6982 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6983 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6984 int lastLoadGameUseList = FALSE;
6985 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6986 ChessMove lastLoadGameStart = EndOfFile;
6988 Boolean addToBookFlag;
6989 static Board rightsBoard, nullBoard;
6992 UserMoveEvent (int fromX, int fromY, int toX, int toY, int promoChar)
6996 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6998 /* Check if the user is playing in turn. This is complicated because we
6999 let the user "pick up" a piece before it is his turn. So the piece he
7000 tried to pick up may have been captured by the time he puts it down!
7001 Therefore we use the color the user is supposed to be playing in this
7002 test, not the color of the piece that is currently on the starting
7003 square---except in EditGame mode, where the user is playing both
7004 sides; fortunately there the capture race can't happen. (It can
7005 now happen in IcsExamining mode, but that's just too bad. The user
7006 will get a somewhat confusing message in that case.)
7011 case TwoMachinesPlay:
7015 /* We switched into a game mode where moves are not accepted,
7016 perhaps while the mouse button was down. */
7019 case MachinePlaysWhite:
7020 /* User is moving for Black */
7021 if (WhiteOnMove(currentMove)) {
7022 DisplayMoveError(_("It is White's turn"));
7027 case MachinePlaysBlack:
7028 /* User is moving for White */
7029 if (!WhiteOnMove(currentMove)) {
7030 DisplayMoveError(_("It is Black's turn"));
7035 case PlayFromGameFile:
7036 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
7039 case BeginningOfGame:
7042 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
7043 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
7044 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
7045 /* User is moving for Black */
7046 if (WhiteOnMove(currentMove)) {
7047 DisplayMoveError(_("It is White's turn"));
7051 /* User is moving for White */
7052 if (!WhiteOnMove(currentMove)) {
7053 DisplayMoveError(_("It is Black's turn"));
7059 case IcsPlayingBlack:
7060 /* User is moving for Black */
7061 if (WhiteOnMove(currentMove)) {
7062 if (!appData.premove) {
7063 DisplayMoveError(_("It is White's turn"));
7064 } else if (toX >= 0 && toY >= 0) {
7067 premoveFromX = fromX;
7068 premoveFromY = fromY;
7069 premovePromoChar = promoChar;
7071 if (appData.debugMode)
7072 fprintf(debugFP, "Got premove: fromX %d,"
7073 "fromY %d, toX %d, toY %d\n",
7074 fromX, fromY, toX, toY);
7076 DrawPosition(TRUE, boards[currentMove]); // [HGM] repair animation damage done by premove (in particular emptying from-square)
7081 case IcsPlayingWhite:
7082 /* User is moving for White */
7083 if (!WhiteOnMove(currentMove)) {
7084 if (!appData.premove) {
7085 DisplayMoveError(_("It is Black's turn"));
7086 } else if (toX >= 0 && toY >= 0) {
7089 premoveFromX = fromX;
7090 premoveFromY = fromY;
7091 premovePromoChar = promoChar;
7093 if (appData.debugMode)
7094 fprintf(debugFP, "Got premove: fromX %d,"
7095 "fromY %d, toX %d, toY %d\n",
7096 fromX, fromY, toX, toY);
7098 DrawPosition(TRUE, boards[currentMove]);
7107 /* EditPosition, empty square, or different color piece;
7108 click-click move is possible */
7109 if (toX == -2 || toY == -2) {
7110 boards[0][fromY][fromX] = (boards[0][fromY][fromX] == EmptySquare ? DarkSquare : EmptySquare);
7111 DrawPosition(FALSE, boards[currentMove]);
7113 } else if (toX >= 0 && toY >= 0) {
7114 if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
7115 ChessSquare p = boards[0][rf][ff];
7116 if(PieceToChar(p) == '+') gatingPiece = CHUDEMOTED(p); else
7117 if(PieceToChar(CHUPROMOTED(p)) =='+') gatingPiece = CHUPROMOTED(p); else
7118 if(p == WhiteKing || p == BlackKing || p == WhiteRook || p == BlackRook || p == WhitePawn || p == BlackPawn) {
7119 int n = rightsBoard[toY][toX] ^= 1; // toggle virginity of K or R
7120 DisplayMessage("", n ? _("rights granted") : _("rights revoked"));
7123 } else rightsBoard[toY][toX] = 0; // revoke rights on moving
7124 boards[0][toY][toX] = boards[0][fromY][fromX];
7125 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
7126 if(boards[0][fromY][0] != EmptySquare) {
7127 if(boards[0][fromY][1]) boards[0][fromY][1]--;
7128 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
7131 if(fromX == BOARD_RGHT+1) {
7132 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
7133 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
7134 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
7137 boards[0][fromY][fromX] = gatingPiece;
7139 DrawPosition(FALSE, boards[currentMove]);
7145 if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
7146 pup = boards[currentMove][toY][toX];
7148 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
7149 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
7150 if( pup != EmptySquare ) return;
7151 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
7152 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
7153 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
7154 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
7155 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
7156 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
7157 while(PieceToChar(fromX) == '.' || PieceToChar(fromX) == '+' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
7161 /* [HGM] always test for legality, to get promotion info */
7162 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
7163 fromY, fromX, toY, toX, promoChar);
7165 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
7167 if(moveType == IllegalMove && legal[toY][toX] > 1) moveType = NormalMove; // someone explicitly told us this move is legal
7169 /* [HGM] but possibly ignore an IllegalMove result */
7170 if (appData.testLegality) {
7171 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7172 DisplayMoveError(_("Illegal move"));
7177 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7178 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7179 ClearPremoveHighlights(); // was included
7180 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7181 DrawPosition(FALSE, NULL);
7185 if(addToBookFlag) { // adding moves to book
7186 char buf[MSG_SIZ], move[MSG_SIZ];
7187 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7188 if(killX >= 0) snprintf(move, MSG_SIZ, "%c%dx%c%d-%c%d%c", fromX + AAA, fromY + ONE - '0',
7189 killX + AAA, killY + ONE - '0', toX + AAA, toY + ONE - '0', promoChar);
7190 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7192 addToBookFlag = FALSE;
7197 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7200 /* Common tail of UserMoveEvent and DropMenuEvent */
7202 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7206 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7207 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7208 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7209 if(WhiteOnMove(currentMove)) {
7210 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7212 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
7216 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7217 move type in caller when we know the move is a legal promotion */
7218 if(moveType == NormalMove && promoChar)
7219 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7221 /* [HGM] <popupFix> The following if has been moved here from
7222 UserMoveEvent(). Because it seemed to belong here (why not allow
7223 piece drops in training games?), and because it can only be
7224 performed after it is known to what we promote. */
7225 if (gameMode == Training) {
7226 /* compare the move played on the board to the next move in the
7227 * game. If they match, display the move and the opponent's response.
7228 * If they don't match, display an error message.
7232 CopyBoard(testBoard, boards[currentMove]);
7233 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7235 if (CompareBoards(testBoard, boards[currentMove+1])) {
7236 ForwardInner(currentMove+1);
7238 /* Autoplay the opponent's response.
7239 * if appData.animate was TRUE when Training mode was entered,
7240 * the response will be animated.
7242 saveAnimate = appData.animate;
7243 appData.animate = animateTraining;
7244 ForwardInner(currentMove+1);
7245 appData.animate = saveAnimate;
7247 /* check for the end of the game */
7248 if (currentMove >= forwardMostMove) {
7249 gameMode = PlayFromGameFile;
7251 SetTrainingModeOff();
7252 DisplayInformation(_("End of game"));
7255 DisplayError(_("Incorrect move"), 0);
7260 /* Ok, now we know that the move is good, so we can kill
7261 the previous line in Analysis Mode */
7262 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7263 && currentMove < forwardMostMove) {
7264 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7265 else forwardMostMove = currentMove;
7270 /* If we need the chess program but it's dead, restart it */
7271 ResurrectChessProgram();
7273 /* A user move restarts a paused game*/
7277 thinkOutput[0] = NULLCHAR;
7279 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7281 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7282 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7286 if (gameMode == BeginningOfGame) {
7287 if (appData.noChessProgram) {
7288 gameMode = EditGame;
7292 gameMode = MachinePlaysBlack;
7295 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7297 if (first.sendName) {
7298 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7299 SendToProgram(buf, &first);
7306 /* Relay move to ICS or chess engine */
7307 if (appData.icsActive) {
7308 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7309 gameMode == IcsExamining) {
7310 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7311 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7313 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7315 // also send plain move, in case ICS does not understand atomic claims
7316 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7320 if (first.sendTime && (gameMode == BeginningOfGame ||
7321 gameMode == MachinePlaysWhite ||
7322 gameMode == MachinePlaysBlack)) {
7323 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7325 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7326 // [HGM] book: if program might be playing, let it use book
7327 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7328 first.maybeThinking = TRUE;
7329 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7330 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7331 SendBoard(&first, currentMove+1);
7332 if(second.analyzing) {
7333 if(!second.useSetboard) SendToProgram("undo\n", &second);
7334 SendBoard(&second, currentMove+1);
7337 SendMoveToProgram(forwardMostMove-1, &first);
7338 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7340 if (currentMove == cmailOldMove + 1) {
7341 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7345 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7349 if(appData.testLegality)
7350 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7356 if (WhiteOnMove(currentMove)) {
7357 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7359 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7363 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7368 case MachinePlaysBlack:
7369 case MachinePlaysWhite:
7370 /* disable certain menu options while machine is thinking */
7371 SetMachineThinkingEnables();
7378 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7379 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7381 if(bookHit) { // [HGM] book: simulate book reply
7382 static char bookMove[MSG_SIZ]; // a bit generous?
7384 programStats.nodes = programStats.depth = programStats.time =
7385 programStats.score = programStats.got_only_move = 0;
7386 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7388 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7389 strcat(bookMove, bookHit);
7390 HandleMachineMove(bookMove, &first);
7396 MarkByFEN(char *fen)
7399 if(!appData.markers || !appData.highlightDragging) return;
7400 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7401 r=BOARD_HEIGHT-1-deadRanks; f=BOARD_LEFT;
7405 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7406 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 3; else
7407 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7408 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7409 if(*fen == 'T') marker[r][f++] = 0; else
7410 if(*fen == 'Y') marker[r][f++] = 1; else
7411 if(*fen == 'G') marker[r][f++] = 3; else
7412 if(*fen == 'B') marker[r][f++] = 4; else
7413 if(*fen == 'C') marker[r][f++] = 5; else
7414 if(*fen == 'M') marker[r][f++] = 6; else
7415 if(*fen == 'W') marker[r][f++] = 7; else
7416 if(*fen == 'D') marker[r][f++] = 8; else
7417 if(*fen == 'R') marker[r][f++] = 2; else {
7418 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7421 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7425 DrawPosition(TRUE, NULL);
7428 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7431 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7433 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7434 Markers *m = (Markers *) closure;
7435 if(rf == fromY && ff == fromX && (killX < 0 ? !(rt == rf && ft == ff) && legNr & 1 :
7436 kill2X < 0 ? rt == killY && ft == killX || legNr & 2 : rt == killY && ft == killX || legNr & 4))
7437 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7438 || kind == WhiteCapturesEnPassant
7439 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && (killX < 0 & legNr || legNr & 2 && kill2X < 0)), legal[rt][ft] = 3;
7440 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 3;
7443 static int hoverSavedValid;
7446 MarkTargetSquares (int clear)
7449 if(clear) { // no reason to ever suppress clearing
7450 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7451 hoverSavedValid = 0;
7452 if(!sum || clear < 0) return; // nothing was cleared,no redraw needed
7455 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7456 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7457 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7458 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7459 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7461 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7464 DrawPosition(FALSE, NULL);
7468 Explode (Board board, int fromX, int fromY, int toX, int toY)
7470 if(gameInfo.variant == VariantAtomic &&
7471 (board[toY][toX] != EmptySquare || // capture?
7472 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7473 board[fromY][fromX] == BlackPawn )
7475 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7481 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7484 CanPromote (ChessSquare piece, int y)
7486 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7487 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7488 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7489 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7490 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7491 (gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7492 gameInfo.variant == VariantMakruk) && !*engineVariant) return FALSE;
7493 return (piece == BlackPawn && y <= zone ||
7494 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7495 piece == BlackLance && y <= zone ||
7496 piece == WhiteLance && y >= BOARD_HEIGHT-1-zone );
7500 HoverEvent (int xPix, int yPix, int x, int y)
7502 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7504 if(!first.highlight) return;
7505 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7506 if(x == oldX && y == oldY) return; // only do something if we enter new square
7507 oldFromX = fromX; oldFromY = fromY;
7508 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7509 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7510 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7511 hoverSavedValid = 1;
7512 } else if(oldX != x || oldY != y) {
7513 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7514 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7515 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7516 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7517 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7519 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7520 SendToProgram(buf, &first);
7523 // SetHighlights(fromX, fromY, x, y);
7527 void ReportClick(char *action, int x, int y)
7529 char buf[MSG_SIZ]; // Inform engine of what user does
7531 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7532 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7533 legal[r][f] = !pieceDefs || !appData.markers, marker[r][f] = 0;
7534 if(!first.highlight || gameMode == EditPosition) return;
7535 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7536 SendToProgram(buf, &first);
7539 Boolean right; // instructs front-end to use button-1 events as if they were button 3
7542 LeftClick (ClickType clickType, int xPix, int yPix)
7545 Boolean saveAnimate;
7546 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0, flashing = 0, saveFlash;
7547 char promoChoice = NULLCHAR;
7549 static TimeMark lastClickTime, prevClickTime;
7551 if(flashing) return;
7553 x = EventToSquare(xPix, BOARD_WIDTH);
7554 y = EventToSquare(yPix, BOARD_HEIGHT);
7555 if (!flipView && y >= 0) {
7556 y = BOARD_HEIGHT - 1 - y;
7558 if (flipView && x >= 0) {
7559 x = BOARD_WIDTH - 1 - x;
7562 if(appData.monoMouse && gameMode == EditPosition && fromX < 0 && clickType == Press && boards[currentMove][y][x] == EmptySquare) {
7564 RightClick(clickType, xPix, yPix, &dummy, &dummy);
7569 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7571 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7573 if (clickType == Press) ErrorPopDown();
7574 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7576 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7577 defaultPromoChoice = promoSweep;
7578 promoSweep = EmptySquare; // terminate sweep
7579 promoDefaultAltered = TRUE;
7580 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7583 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7584 if(clickType == Release) return; // ignore upclick of click-click destination
7585 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7586 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7587 if(gameInfo.holdingsWidth &&
7588 (WhiteOnMove(currentMove)
7589 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7590 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7591 // click in right holdings, for determining promotion piece
7592 ChessSquare p = boards[currentMove][y][x];
7593 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7594 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7595 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7596 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7601 DrawPosition(FALSE, boards[currentMove]);
7605 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7606 if(clickType == Press
7607 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7608 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7609 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7612 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7613 // could be static click on premove from-square: abort premove
7615 ClearPremoveHighlights();
7618 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7619 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7621 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7622 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7623 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7624 defaultPromoChoice = DefaultPromoChoice(side);
7627 autoQueen = appData.alwaysPromoteToQueen;
7631 gatingPiece = EmptySquare;
7632 if (clickType != Press) {
7633 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7634 DragPieceEnd(xPix, yPix); dragging = 0;
7635 DrawPosition(FALSE, NULL);
7639 doubleClick = FALSE;
7640 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7641 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7643 fromX = x; fromY = y; toX = toY = killX = killY = kill2X = kill2Y = -1;
7644 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7645 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7646 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7648 if (OKToStartUserMove(fromX, fromY)) {
7650 ReportClick("lift", x, y);
7651 MarkTargetSquares(0);
7652 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7653 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7654 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7655 promoSweep = defaultPromoChoice;
7656 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7657 Sweep(0); // Pawn that is going to promote: preview promotion piece
7658 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7660 if (appData.highlightDragging) {
7661 SetHighlights(fromX, fromY, -1, -1);
7665 } else fromX = fromY = -1;
7671 if (clickType == Press && gameMode != EditPosition) {
7676 // ignore off-board to clicks
7677 if(y < 0 || x < 0) return;
7679 /* Check if clicking again on the same color piece */
7680 fromP = boards[currentMove][fromY][fromX];
7681 toP = boards[currentMove][y][x];
7682 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7683 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7684 marker[y][x] == 0 && // if engine told we can move to here, do it even if own piece
7685 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7686 WhitePawn <= toP && toP <= WhiteKing &&
7687 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7688 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7689 (BlackPawn <= fromP && fromP <= BlackKing &&
7690 BlackPawn <= toP && toP <= BlackKing &&
7691 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7692 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7693 /* Clicked again on same color piece -- changed his mind */
7694 second = (x == fromX && y == fromY);
7695 killX = killY = kill2X = kill2Y = -1;
7696 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7697 second = FALSE; // first double-click rather than scond click
7698 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7700 promoDefaultAltered = FALSE;
7701 if(!second) MarkTargetSquares(1);
7702 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7703 if (appData.highlightDragging) {
7704 SetHighlights(x, y, -1, -1);
7708 if (OKToStartUserMove(x, y)) {
7709 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7710 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7711 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7712 gatingPiece = boards[currentMove][fromY][fromX];
7713 else gatingPiece = doubleClick ? fromP : EmptySquare;
7715 fromY = y; dragging = 1;
7716 if(!second) ReportClick("lift", x, y);
7717 MarkTargetSquares(0);
7718 DragPieceBegin(xPix, yPix, FALSE);
7719 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7720 promoSweep = defaultPromoChoice;
7721 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7722 Sweep(0); // Pawn that is going to promote: preview promotion piece
7726 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7729 // ignore clicks on holdings
7730 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7733 if(x == fromX && y == fromY && clickType == Press && gameMode == EditPosition && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7734 gatingPiece = boards[currentMove][fromY][fromX]; // prepare to copy rather than move
7735 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7739 if (clickType == Release && x == fromX && y == fromY && killX < 0 && !sweepSelecting) {
7740 DragPieceEnd(xPix, yPix); dragging = 0;
7742 // a deferred attempt to click-click move an empty square on top of a piece
7743 boards[currentMove][y][x] = EmptySquare;
7745 DrawPosition(FALSE, boards[currentMove]);
7746 fromX = fromY = -1; clearFlag = 0;
7749 if (appData.animateDragging) {
7750 /* Undo animation damage if any */
7751 DrawPosition(FALSE, NULL);
7754 /* Second up/down in same square; just abort move */
7757 gatingPiece = EmptySquare;
7760 ClearPremoveHighlights();
7761 MarkTargetSquares(-1);
7762 DrawPosition(FALSE, NULL); // make user highlights are drawn (and deferred marker clearing)
7764 /* First upclick in same square; start click-click mode */
7765 SetHighlights(x, y, -1, -1);
7772 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7773 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7774 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7775 DisplayMessage(_("only marked squares are legal"),"");
7776 DrawPosition(TRUE, NULL);
7777 return; // ignore to-click
7780 /* we now have a different from- and (possibly off-board) to-square */
7781 /* Completed move */
7782 if(!sweepSelecting) {
7787 piece = boards[currentMove][fromY][fromX];
7789 saveAnimate = appData.animate;
7790 if (clickType == Press) {
7791 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7792 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7793 // must be Edit Position mode with empty-square selected
7794 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7795 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7798 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7801 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7802 killX = kill2X; killY = kill2Y; kill2X = kill2Y = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7804 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7805 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7806 if(appData.sweepSelect) {
7807 promoSweep = defaultPromoChoice;
7808 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED(piece)) == '+') promoSweep = CHUPROMOTED(piece);
7809 selectFlag = 0; lastX = xPix; lastY = yPix;
7810 ReportClick("put", x, y); // extra put to prompt engine for 'choice' command
7811 saveFlash = appData.flashCount; appData.flashCount = 0;
7812 Sweep(0); // Pawn that is going to promote: preview promotion piece
7814 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7815 MarkTargetSquares(1);
7817 return; // promo popup appears on up-click
7819 /* Finish clickclick move */
7820 if (appData.animate || appData.highlightLastMove) {
7821 SetHighlights(fromX, fromY, toX, toY);
7825 MarkTargetSquares(1);
7826 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7827 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7828 *promoRestrict = 0; appData.flashCount = saveFlash;
7829 if (appData.animate || appData.highlightLastMove) {
7830 SetHighlights(fromX, fromY, toX, toY);
7834 MarkTargetSquares(1);
7837 // [HGM] this must be done after the move is made, as with arrow it could lead to a board redraw with piece still on from square
7838 /* Finish drag move */
7839 if (appData.highlightLastMove) {
7840 SetHighlights(fromX, fromY, toX, toY);
7845 if(PieceToChar(CHUPROMOTED(boards[currentMove][fromY][fromX])) == '+')
7846 defaultPromoChoice = CHUPROMOTED(boards[currentMove][fromY][fromX]);
7847 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7848 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7849 dragging *= 2; // flag button-less dragging if we are dragging
7850 MarkTargetSquares(1);
7851 if(x == killX && y == killY) killX = kill2X, killY = kill2Y, kill2X = kill2Y = -1; // cancel last kill
7853 kill2X = killX; kill2Y = killY;
7854 killX = x; killY = y; // remember this square as intermediate
7855 ReportClick("put", x, y); // and inform engine
7856 ReportClick("lift", x, y);
7857 MarkTargetSquares(0);
7861 DragPieceEnd(xPix, yPix); dragging = 0;
7862 /* Don't animate move and drag both */
7863 appData.animate = FALSE;
7864 MarkTargetSquares(-1); // -1 defers displaying marker change to prevent piece reappearing on from-square!
7867 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7868 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7869 ChessSquare piece = boards[currentMove][fromY][fromX];
7870 if(gameMode == EditPosition && piece != EmptySquare &&
7871 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7874 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7875 n = PieceToNumber(piece - (int)BlackPawn);
7876 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7877 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7878 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7880 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7881 n = PieceToNumber(piece);
7882 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7883 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7884 boards[currentMove][n][BOARD_WIDTH-2]++;
7886 boards[currentMove][fromY][fromX] = EmptySquare;
7890 MarkTargetSquares(1);
7891 DrawPosition(TRUE, boards[currentMove]);
7895 // off-board moves should not be highlighted
7896 if(x < 0 || y < 0) ClearHighlights();
7897 else ReportClick("put", x, y);
7899 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7901 if(legal[toY][toX] == 2) promoChoice = ToLower(PieceToChar(defaultPromoChoice)); // highlight-induced promotion
7903 if (legal[toY][toX] == 2 && !appData.sweepSelect || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7904 SetHighlights(fromX, fromY, toX, toY);
7905 MarkTargetSquares(1);
7906 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7907 // [HGM] super: promotion to captured piece selected from holdings
7908 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7909 promotionChoice = TRUE;
7910 // kludge follows to temporarily execute move on display, without promoting yet
7911 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7912 boards[currentMove][toY][toX] = p;
7913 DrawPosition(FALSE, boards[currentMove]);
7914 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7915 boards[currentMove][toY][toX] = q;
7916 DisplayMessage("Click in holdings to choose piece", "");
7919 DrawPosition(FALSE, NULL); // shows piece on from-square during promo popup
7920 PromotionPopUp(promoChoice);
7922 int oldMove = currentMove;
7923 flashing = 1; // prevent recursive calling (by release of to-click) while flashing piece
7924 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7925 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7926 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY), DrawPosition(FALSE, NULL);
7927 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7928 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7929 DrawPosition(TRUE, boards[currentMove]);
7933 appData.animate = saveAnimate;
7934 if (appData.animate || appData.animateDragging) {
7935 /* Undo animation damage if needed */
7936 // DrawPosition(FALSE, NULL);
7941 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7942 { // front-end-free part taken out of PieceMenuPopup
7943 int whichMenu; int xSqr, ySqr;
7945 if(seekGraphUp) { // [HGM] seekgraph
7946 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7947 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7951 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7952 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7953 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7954 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7955 if(action == Press) {
7956 originalFlip = flipView;
7957 flipView = !flipView; // temporarily flip board to see game from partners perspective
7958 DrawPosition(TRUE, partnerBoard);
7959 DisplayMessage(partnerStatus, "");
7961 } else if(action == Release) {
7962 flipView = originalFlip;
7963 DrawPosition(TRUE, boards[currentMove]);
7969 xSqr = EventToSquare(x, BOARD_WIDTH);
7970 ySqr = EventToSquare(y, BOARD_HEIGHT);
7971 if (action == Release) {
7972 if(pieceSweep != EmptySquare) {
7973 EditPositionMenuEvent(pieceSweep, toX, toY);
7974 pieceSweep = EmptySquare;
7975 } else UnLoadPV(); // [HGM] pv
7977 if (action != Press) return -2; // return code to be ignored
7980 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7982 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7983 if (xSqr < 0 || ySqr < 0) return -1;
7984 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7985 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7986 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7987 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7991 if(!appData.icsEngineAnalyze) return -1;
7992 case IcsPlayingWhite:
7993 case IcsPlayingBlack:
7994 if(!appData.zippyPlay) goto noZip;
7997 case MachinePlaysWhite:
7998 case MachinePlaysBlack:
7999 case TwoMachinesPlay: // [HGM] pv: use for showing PV
8000 if (!appData.dropMenu) {
8002 return 2; // flag front-end to grab mouse events
8004 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
8005 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
8008 if (xSqr < 0 || ySqr < 0) return -1;
8009 if (!appData.dropMenu || appData.testLegality &&
8010 gameInfo.variant != VariantBughouse &&
8011 gameInfo.variant != VariantCrazyhouse) return -1;
8012 whichMenu = 1; // drop menu
8018 if (((*fromX = xSqr) < 0) ||
8019 ((*fromY = ySqr) < 0)) {
8020 *fromX = *fromY = -1;
8024 *fromX = BOARD_WIDTH - 1 - *fromX;
8026 *fromY = BOARD_HEIGHT - 1 - *fromY;
8032 Wheel (int dir, int x, int y)
8034 if(gameMode == EditPosition) {
8035 int xSqr = EventToSquare(x, BOARD_WIDTH);
8036 int ySqr = EventToSquare(y, BOARD_HEIGHT);
8037 if(ySqr < 0 || xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return;
8038 if(flipView) xSqr = BOARD_WIDTH - 1 - xSqr; else ySqr = BOARD_HEIGHT - 1 - ySqr;
8040 boards[currentMove][ySqr][xSqr] += dir;
8041 if((int) boards[currentMove][ySqr][xSqr] < WhitePawn) boards[currentMove][ySqr][xSqr] = BlackKing;
8042 if((int) boards[currentMove][ySqr][xSqr] > BlackKing) boards[currentMove][ySqr][xSqr] = WhitePawn;
8043 } while(PieceToChar(boards[currentMove][ySqr][xSqr]) == '.');
8044 DrawPosition(FALSE, boards[currentMove]);
8045 } else if(dir > 0) ForwardEvent(); else BackwardEvent();
8049 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
8051 // char * hint = lastHint;
8052 FrontEndProgramStats stats;
8054 stats.which = cps == &first ? 0 : 1;
8055 stats.depth = cpstats->depth;
8056 stats.nodes = cpstats->nodes;
8057 stats.score = cpstats->score;
8058 stats.time = cpstats->time;
8059 stats.pv = cpstats->movelist;
8060 stats.hint = lastHint;
8061 stats.an_move_index = 0;
8062 stats.an_move_count = 0;
8064 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
8065 stats.hint = cpstats->move_name;
8066 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
8067 stats.an_move_count = cpstats->nr_moves;
8070 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
8072 if( gameMode == AnalyzeMode && stats.pv && stats.pv[0]
8073 && appData.analysisBell && stats.time >= 100*appData.analysisBell ) RingBell();
8075 SetProgramStats( &stats );
8079 ClearEngineOutputPane (int which)
8081 static FrontEndProgramStats dummyStats;
8082 dummyStats.which = which;
8083 dummyStats.pv = "#";
8084 SetProgramStats( &dummyStats );
8087 #define MAXPLAYERS 500
8090 TourneyStandings (int display)
8092 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
8093 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
8094 char result, *p, *names[MAXPLAYERS];
8096 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
8097 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
8098 names[0] = p = strdup(appData.participants);
8099 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
8101 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
8103 while(result = appData.results[nr]) {
8104 color = Pairing(nr, nPlayers, &w, &b, &dummy);
8105 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
8106 wScore = bScore = 0;
8108 case '+': wScore = 2; break;
8109 case '-': bScore = 2; break;
8110 case '=': wScore = bScore = 1; break;
8112 case '*': return strdup("busy"); // tourney not finished
8120 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
8121 for(w=0; w<nPlayers; w++) {
8123 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
8124 ranking[w] = b; points[w] = bScore; score[b] = -2;
8126 p = malloc(nPlayers*34+1);
8127 for(w=0; w<nPlayers && w<display; w++)
8128 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
8134 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
8135 { // count all piece types
8137 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
8138 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
8139 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8142 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
8143 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
8144 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
8145 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
8146 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
8147 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
8152 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
8154 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
8155 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
8157 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
8158 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
8159 if(myPawns == 2 && nMine == 3) // KPP
8160 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
8161 if(myPawns == 1 && nMine == 2) // KP
8162 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8163 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
8164 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
8165 if(myPawns) return FALSE;
8166 if(pCnt[WhiteRook+side])
8167 return pCnt[BlackRook-side] ||
8168 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
8169 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
8170 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
8171 if(pCnt[WhiteCannon+side]) {
8172 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
8173 return majorDefense || pCnt[BlackAlfil-side] >= 2;
8175 if(pCnt[WhiteKnight+side])
8176 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8181 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
8183 VariantClass v = gameInfo.variant;
8185 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
8186 if(v == VariantShatranj) return TRUE; // always winnable through baring
8187 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
8188 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
8190 if(v == VariantXiangqi) {
8191 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
8193 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
8194 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
8195 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
8196 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
8197 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
8198 if(stale) // we have at least one last-rank P plus perhaps C
8199 return majors // KPKX
8200 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
8202 return pCnt[WhiteFerz+side] // KCAK
8203 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
8204 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
8205 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
8207 } else if(v == VariantKnightmate) {
8208 if(nMine == 1) return FALSE;
8209 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
8210 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
8211 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
8213 if(nMine == 1) return FALSE; // bare King
8214 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
8215 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
8216 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
8217 // by now we have King + 1 piece (or multiple Bishops on the same color)
8218 if(pCnt[WhiteKnight+side])
8219 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
8220 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
8221 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
8223 return (pCnt[BlackKnight-side]); // KBKN, KFKN
8224 if(pCnt[WhiteAlfil+side])
8225 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
8226 if(pCnt[WhiteWazir+side])
8227 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8234 CompareWithRights (Board b1, Board b2)
8237 if(!CompareBoards(b1, b2)) return FALSE;
8238 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8239 /* compare castling rights */
8240 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8241 rights++; /* King lost rights, while rook still had them */
8242 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8243 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8244 rights++; /* but at least one rook lost them */
8246 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8248 if( b1[CASTLING][5] != NoRights ) {
8249 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8256 Adjudicate (ChessProgramState *cps)
8257 { // [HGM] some adjudications useful with buggy engines
8258 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8259 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8260 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8261 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8262 int k, drop, count = 0; static int bare = 1;
8263 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8264 Boolean canAdjudicate = !appData.icsActive;
8266 // most tests only when we understand the game, i.e. legality-checking on
8267 if( appData.testLegality )
8268 { /* [HGM] Some more adjudications for obstinate engines */
8269 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+2], i;
8270 static int moveCount = 6;
8272 char *reason = NULL;
8274 /* Count what is on board. */
8275 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8277 /* Some material-based adjudications that have to be made before stalemate test */
8278 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8279 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8280 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8281 if(canAdjudicate && appData.checkMates) {
8283 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8284 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8285 "Xboard adjudication: King destroyed", GE_XBOARD );
8290 /* Bare King in Shatranj (loses) or Losers (wins) */
8291 if( nrW == 1 || nrB == 1) {
8292 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8293 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8294 if(canAdjudicate && appData.checkMates) {
8296 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8297 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8298 "Xboard adjudication: Bare king", GE_XBOARD );
8302 if( gameInfo.variant == VariantShatranj && --bare < 0)
8304 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8305 if(canAdjudicate && appData.checkMates) {
8306 /* but only adjudicate if adjudication enabled */
8308 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8309 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8310 "Xboard adjudication: Bare king", GE_XBOARD );
8317 // don't wait for engine to announce game end if we can judge ourselves
8318 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8320 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8321 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8322 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8323 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8326 reason = "Xboard adjudication: 3rd check";
8327 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8338 reason = "Xboard adjudication: Stalemate";
8339 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8340 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8341 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8342 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8343 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8344 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8345 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8346 EP_CHECKMATE : EP_WINS);
8347 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8348 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8352 reason = "Xboard adjudication: Checkmate";
8353 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8354 if(gameInfo.variant == VariantShogi) {
8355 if(forwardMostMove > backwardMostMove
8356 && moveList[forwardMostMove-1][1] == '@'
8357 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8358 reason = "XBoard adjudication: pawn-drop mate";
8359 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8365 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8367 result = GameIsDrawn; break;
8369 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8371 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8375 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8377 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8378 GameEnds( result, reason, GE_XBOARD );
8382 /* Next absolutely insufficient mating material. */
8383 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8384 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8385 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8387 /* always flag draws, for judging claims */
8388 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8390 if(canAdjudicate && appData.materialDraws) {
8391 /* but only adjudicate them if adjudication enabled */
8392 if(engineOpponent) {
8393 SendToProgram("force\n", engineOpponent); // suppress reply
8394 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8396 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8401 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8402 if(gameInfo.variant == VariantXiangqi ?
8403 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8405 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8406 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8407 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8408 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8410 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8411 { /* if the first 3 moves do not show a tactical win, declare draw */
8412 if(engineOpponent) {
8413 SendToProgram("force\n", engineOpponent); // suppress reply
8414 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8416 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8419 } else moveCount = 6;
8422 // Repetition draws and 50-move rule can be applied independently of legality testing
8424 /* Check for rep-draws */
8426 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8427 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8428 for(k = forwardMostMove-2;
8429 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8430 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8431 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8434 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8435 /* compare castling rights */
8436 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8437 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8438 rights++; /* King lost rights, while rook still had them */
8439 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8440 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8441 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8442 rights++; /* but at least one rook lost them */
8444 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8445 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8447 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8448 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8449 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8452 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8453 && appData.drawRepeats > 1) {
8454 /* adjudicate after user-specified nr of repeats */
8455 int result = GameIsDrawn;
8456 char *details = "XBoard adjudication: repetition draw";
8457 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8458 // [HGM] xiangqi: check for forbidden perpetuals
8459 int m, ourPerpetual = 1, hisPerpetual = 1;
8460 for(m=forwardMostMove; m>k; m-=2) {
8461 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8462 ourPerpetual = 0; // the current mover did not always check
8463 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8464 hisPerpetual = 0; // the opponent did not always check
8466 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8467 ourPerpetual, hisPerpetual);
8468 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8469 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8470 details = "Xboard adjudication: perpetual checking";
8472 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8473 break; // (or we would have caught him before). Abort repetition-checking loop.
8475 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8476 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8478 details = "Xboard adjudication: repetition";
8480 } else // it must be XQ
8481 // Now check for perpetual chases
8482 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8483 hisPerpetual = PerpetualChase(k, forwardMostMove);
8484 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8485 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8486 static char resdet[MSG_SIZ];
8487 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8489 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8491 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8492 break; // Abort repetition-checking loop.
8494 // if neither of us is checking or chasing all the time, or both are, it is draw
8496 if(engineOpponent) {
8497 SendToProgram("force\n", engineOpponent); // suppress reply
8498 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8500 GameEnds( result, details, GE_XBOARD );
8503 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8504 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8508 /* Now we test for 50-move draws. Determine ply count */
8509 count = forwardMostMove;
8510 /* look for last irreversble move */
8511 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8513 /* if we hit starting position, add initial plies */
8514 if( count == backwardMostMove )
8515 count -= initialRulePlies;
8516 count = forwardMostMove - count;
8517 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8518 // adjust reversible move counter for checks in Xiangqi
8519 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8520 if(i < backwardMostMove) i = backwardMostMove;
8521 while(i <= forwardMostMove) {
8522 lastCheck = inCheck; // check evasion does not count
8523 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8524 if(inCheck || lastCheck) count--; // check does not count
8529 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8530 /* this is used to judge if draw claims are legal */
8531 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8532 if(engineOpponent) {
8533 SendToProgram("force\n", engineOpponent); // suppress reply
8534 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8536 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8540 /* if draw offer is pending, treat it as a draw claim
8541 * when draw condition present, to allow engines a way to
8542 * claim draws before making their move to avoid a race
8543 * condition occurring after their move
8545 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8547 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8548 p = "Draw claim: 50-move rule";
8549 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8550 p = "Draw claim: 3-fold repetition";
8551 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8552 p = "Draw claim: insufficient mating material";
8553 if( p != NULL && canAdjudicate) {
8554 if(engineOpponent) {
8555 SendToProgram("force\n", engineOpponent); // suppress reply
8556 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8558 GameEnds( GameIsDrawn, p, GE_XBOARD );
8563 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8564 if(engineOpponent) {
8565 SendToProgram("force\n", engineOpponent); // suppress reply
8566 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8568 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8574 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8575 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8576 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8581 int pieces[10], squares[10], cnt=0, r, f, res;
8583 static PPROBE_EGBB probeBB;
8584 if(!appData.testLegality) return 10;
8585 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8586 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8587 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8588 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8589 ChessSquare piece = boards[forwardMostMove][r][f];
8590 int black = (piece >= BlackPawn);
8591 int type = piece - black*BlackPawn;
8592 if(piece == EmptySquare) continue;
8593 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8594 if(type == WhiteKing) type = WhiteQueen + 1;
8595 type = egbbCode[type];
8596 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8597 pieces[cnt] = type + black*6;
8598 if(++cnt > 5) return 11;
8600 pieces[cnt] = squares[cnt] = 0;
8602 if(loaded == 2) return 13; // loading failed before
8604 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8607 loaded = 2; // prepare for failure
8608 if(!path) return 13; // no egbb installed
8609 strncpy(buf, path + 8, MSG_SIZ);
8610 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8611 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8612 lib = LoadLibrary(buf);
8613 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8614 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8615 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8616 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8617 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8618 loaded = 1; // success!
8620 res = probeBB(forwardMostMove & 1, pieces, squares);
8621 return res > 0 ? 1 : res < 0 ? -1 : 0;
8625 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8626 { // [HGM] book: this routine intercepts moves to simulate book replies
8627 char *bookHit = NULL;
8629 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8631 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8632 SendToProgram(buf, cps);
8634 //first determine if the incoming move brings opponent into his book
8635 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8636 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8637 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8638 if(bookHit != NULL && !cps->bookSuspend) {
8639 // make sure opponent is not going to reply after receiving move to book position
8640 SendToProgram("force\n", cps);
8641 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8643 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8644 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8645 // now arrange restart after book miss
8647 // after a book hit we never send 'go', and the code after the call to this routine
8648 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8649 char buf[MSG_SIZ], *move = bookHit;
8651 int fromX, fromY, toX, toY;
8655 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8656 &fromX, &fromY, &toX, &toY, &promoChar)) {
8657 (void) CoordsToAlgebraic(boards[forwardMostMove],
8658 PosFlags(forwardMostMove),
8659 fromY, fromX, toY, toX, promoChar, move);
8661 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8665 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8666 SendToProgram(buf, cps);
8667 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8668 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8669 SendToProgram("go\n", cps);
8670 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8671 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8672 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8673 SendToProgram("go\n", cps);
8674 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8676 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8680 LoadError (char *errmess, ChessProgramState *cps)
8681 { // unloads engine and switches back to -ncp mode if it was first
8682 if(cps->initDone) return FALSE;
8683 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8684 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8687 appData.noChessProgram = TRUE;
8688 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8689 gameMode = BeginningOfGame; ModeHighlight();
8692 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8693 DisplayMessage("", ""); // erase waiting message
8694 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8699 ChessProgramState *savedState;
8701 DeferredBookMove (void)
8703 if(savedState->lastPing != savedState->lastPong)
8704 ScheduleDelayedEvent(DeferredBookMove, 10);
8706 HandleMachineMove(savedMessage, savedState);
8709 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8710 static ChessProgramState *stalledEngine;
8711 static char stashedInputMove[MSG_SIZ], abortEngineThink;
8714 HandleMachineMove (char *message, ChessProgramState *cps)
8716 static char firstLeg[20], legs;
8717 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8718 char realname[MSG_SIZ];
8719 int fromX, fromY, toX, toY;
8721 char promoChar, roar;
8726 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8727 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8728 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8729 DisplayError(_("Invalid pairing from pairing engine"), 0);
8732 pairingReceived = 1;
8734 return; // Skim the pairing messages here.
8737 oldError = cps->userError; cps->userError = 0;
8739 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8741 * Kludge to ignore BEL characters
8743 while (*message == '\007') message++;
8746 * [HGM] engine debug message: ignore lines starting with '#' character
8748 if(cps->debug && *message == '#') return;
8751 * Look for book output
8753 if (cps == &first && bookRequested) {
8754 if (message[0] == '\t' || message[0] == ' ') {
8755 /* Part of the book output is here; append it */
8756 strcat(bookOutput, message);
8757 strcat(bookOutput, " \n");
8759 } else if (bookOutput[0] != NULLCHAR) {
8760 /* All of book output has arrived; display it */
8761 char *p = bookOutput;
8762 while (*p != NULLCHAR) {
8763 if (*p == '\t') *p = ' ';
8766 DisplayInformation(bookOutput);
8767 bookRequested = FALSE;
8768 /* Fall through to parse the current output */
8773 * Look for machine move.
8775 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8776 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8778 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8779 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8780 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8781 stalledEngine = cps;
8782 if(appData.ponderNextMove) { // bring opponent out of ponder
8783 if(gameMode == TwoMachinesPlay) {
8784 if(cps->other->pause)
8785 PauseEngine(cps->other);
8787 SendToProgram("easy\n", cps->other);
8796 /* This method is only useful on engines that support ping */
8797 if(abortEngineThink) {
8798 if (appData.debugMode) {
8799 fprintf(debugFP, "Undoing move from aborted think of %s\n", cps->which);
8801 SendToProgram("undo\n", cps);
8805 if (cps->lastPing != cps->lastPong) {
8806 /* Extra move from before last new; ignore */
8807 if (appData.debugMode) {
8808 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8815 int machineWhite = FALSE;
8818 case BeginningOfGame:
8819 /* Extra move from before last reset; ignore */
8820 if (appData.debugMode) {
8821 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8828 /* Extra move after we tried to stop. The mode test is
8829 not a reliable way of detecting this problem, but it's
8830 the best we can do on engines that don't support ping.
8832 if (appData.debugMode) {
8833 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8834 cps->which, gameMode);
8836 SendToProgram("undo\n", cps);
8839 case MachinePlaysWhite:
8840 case IcsPlayingWhite:
8841 machineWhite = TRUE;
8844 case MachinePlaysBlack:
8845 case IcsPlayingBlack:
8846 machineWhite = FALSE;
8849 case TwoMachinesPlay:
8850 machineWhite = (cps->twoMachinesColor[0] == 'w');
8853 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8854 if (appData.debugMode) {
8856 "Ignoring move out of turn by %s, gameMode %d"
8857 ", forwardMost %d\n",
8858 cps->which, gameMode, forwardMostMove);
8864 if(cps->alphaRank) AlphaRank(machineMove, 4);
8866 // [HGM] lion: (some very limited) support for Alien protocol
8867 killX = killY = kill2X = kill2Y = -1;
8868 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8869 if(legs++) return; // middle leg contains only redundant info, ignore (but count it)
8870 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8873 if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move)
8874 char *q = strchr(p+1, ','); // second comma?
8875 safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off
8876 if(q) legs = 2, p = q; else legs = 1; // with 3-leg move we clipof first two legs!
8877 safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20);
8879 if(firstLeg[0]) { // there was a previous leg;
8880 // only support case where same piece makes two step
8881 char buf[20], *p = machineMove+1, *q = buf+1, f;
8882 safeStrCpy(buf, machineMove, 20);
8883 while(isdigit(*q)) q++; // find start of to-square
8884 safeStrCpy(machineMove, firstLeg, 20);
8885 while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove)
8886 if(legs == 2) sscanf(p, "%c%d", &f, &kill2Y), kill2X = f - AAA, kill2Y -= ONE - '0'; // in 3-leg move 2nd kill is to-sqr of 1st leg
8887 else if(*p == *buf) // if first-leg to not equal to second-leg from first leg says unmodified (assume it is King move of castling)
8888 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8889 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8890 firstLeg[0] = NULLCHAR; legs = 0;
8893 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8894 &fromX, &fromY, &toX, &toY, &promoChar)) {
8895 /* Machine move could not be parsed; ignore it. */
8896 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8897 machineMove, _(cps->which));
8898 DisplayMoveError(buf1);
8899 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d",
8900 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType);
8901 if (gameMode == TwoMachinesPlay) {
8902 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8908 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8909 /* So we have to redo legality test with true e.p. status here, */
8910 /* to make sure an illegal e.p. capture does not slip through, */
8911 /* to cause a forfeit on a justified illegal-move complaint */
8912 /* of the opponent. */
8913 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8915 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8916 fromY, fromX, toY, toX, promoChar);
8917 if(moveType == IllegalMove) {
8918 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8919 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8920 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8923 } else if(!appData.fischerCastling)
8924 /* [HGM] Kludge to handle engines that send FRC-style castling
8925 when they shouldn't (like TSCP-Gothic) */
8927 case WhiteASideCastleFR:
8928 case BlackASideCastleFR:
8930 currentMoveString[2]++;
8932 case WhiteHSideCastleFR:
8933 case BlackHSideCastleFR:
8935 currentMoveString[2]--;
8937 default: ; // nothing to do, but suppresses warning of pedantic compilers
8940 hintRequested = FALSE;
8941 lastHint[0] = NULLCHAR;
8942 bookRequested = FALSE;
8943 /* Program may be pondering now */
8944 cps->maybeThinking = TRUE;
8945 if (cps->sendTime == 2) cps->sendTime = 1;
8946 if (cps->offeredDraw) cps->offeredDraw--;
8948 /* [AS] Save move info*/
8949 pvInfoList[ forwardMostMove ].score = programStats.score;
8950 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8951 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8953 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8955 /* Test suites abort the 'game' after one move */
8956 if(*appData.finger) {
8958 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8959 if(!f) f = fopen(appData.finger, "w");
8960 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8961 else { DisplayFatalError("Bad output file", errno, 0); return; }
8963 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8966 if(solvingTime >= 0) {
8967 snprintf(buf1, MSG_SIZ, "%d. %4.2fs: %s ", matchGame, solvingTime/100., parseList[backwardMostMove]);
8968 totalTime += solvingTime; first.matchWins++; solvingTime = -1;
8970 snprintf(buf1, MSG_SIZ, "%d. %s?%s ", matchGame, parseList[backwardMostMove], solvingTime == -2 ? " ???" : "");
8971 if(solvingTime == -2) second.matchWins++;
8973 OutputKibitz(2, buf1);
8974 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8977 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8978 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8981 while( count < adjudicateLossPlies ) {
8982 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8985 score = -score; /* Flip score for winning side */
8988 if( score > appData.adjudicateLossThreshold ) {
8995 if( count >= adjudicateLossPlies ) {
8996 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8998 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8999 "Xboard adjudication",
9006 if(Adjudicate(cps)) {
9007 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9008 return; // [HGM] adjudicate: for all automatic game ends
9012 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
9014 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
9015 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
9017 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9019 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9021 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
9022 char buf[3*MSG_SIZ];
9024 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
9025 programStats.score / 100.,
9027 programStats.time / 100.,
9028 (unsigned int)programStats.nodes,
9029 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
9030 programStats.movelist);
9036 /* [AS] Clear stats for next move */
9037 ClearProgramStats();
9038 thinkOutput[0] = NULLCHAR;
9039 hiddenThinkOutputState = 0;
9042 if (gameMode == TwoMachinesPlay) {
9043 /* [HGM] relaying draw offers moved to after reception of move */
9044 /* and interpreting offer as claim if it brings draw condition */
9045 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
9046 SendToProgram("draw\n", cps->other);
9048 if (cps->other->sendTime) {
9049 SendTimeRemaining(cps->other,
9050 cps->other->twoMachinesColor[0] == 'w');
9052 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
9053 if (firstMove && !bookHit) {
9055 if (cps->other->useColors) {
9056 SendToProgram(cps->other->twoMachinesColor, cps->other);
9058 SendToProgram("go\n", cps->other);
9060 cps->other->maybeThinking = TRUE;
9063 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
9065 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9067 if (!pausing && appData.ringBellAfterMoves) {
9068 if(!roar) RingBell();
9072 * Reenable menu items that were disabled while
9073 * machine was thinking
9075 if (gameMode != TwoMachinesPlay)
9076 SetUserThinkingEnables();
9078 // [HGM] book: after book hit opponent has received move and is now in force mode
9079 // force the book reply into it, and then fake that it outputted this move by jumping
9080 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
9082 static char bookMove[MSG_SIZ]; // a bit generous?
9084 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
9085 strcat(bookMove, bookHit);
9088 programStats.nodes = programStats.depth = programStats.time =
9089 programStats.score = programStats.got_only_move = 0;
9090 sprintf(programStats.movelist, "%s (xbook)", bookHit);
9092 if(cps->lastPing != cps->lastPong) {
9093 savedMessage = message; // args for deferred call
9095 ScheduleDelayedEvent(DeferredBookMove, 10);
9104 /* Set special modes for chess engines. Later something general
9105 * could be added here; for now there is just one kludge feature,
9106 * needed because Crafty 15.10 and earlier don't ignore SIGINT
9107 * when "xboard" is given as an interactive command.
9109 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
9110 cps->useSigint = FALSE;
9111 cps->useSigterm = FALSE;
9113 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
9114 ParseFeatures(message+8, cps);
9115 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
9118 if (!strncmp(message, "setup ", 6) &&
9119 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
9120 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
9121 ) { // [HGM] allow first engine to define opening position
9122 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
9123 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
9125 if(sscanf(message, "setup (%s", buf) == 1) {
9126 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES);
9127 ASSIGN(appData.pieceToCharTable, buf);
9129 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
9131 while(message[s] && message[s++] != ' ');
9132 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
9133 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
9134 if(hand <= h) deadRanks = 0; else deadRanks = hand - h, h = hand; // adapt board to over-sized holdings
9135 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
9136 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
9137 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
9138 if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition
9139 startedFromSetupPosition = FALSE;
9142 if(startedFromSetupPosition) return;
9143 ParseFEN(boards[0], &dummy, message+s, FALSE);
9144 DrawPosition(TRUE, boards[0]);
9145 CopyBoard(initialPosition, boards[0]);
9146 startedFromSetupPosition = TRUE;
9149 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
9150 ChessSquare piece = WhitePawn;
9151 char *p=message+6, *q, *s = SUFFIXES, ID = *p, promoted = 0;
9152 if(*p == '+') promoted++, ID = *++p;
9153 if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
9154 piece = CharToPiece(ID & 255); if(promoted) piece = CHUPROMOTED(piece);
9155 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
9156 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
9157 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
9158 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
9159 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
9160 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
9161 && gameInfo.variant != VariantGreat
9162 && gameInfo.variant != VariantFairy ) return;
9163 if(piece < EmptySquare) {
9165 ASSIGN(pieceDesc[piece], buf1);
9166 if((ID & 32) == 0 && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
9170 if(sscanf(message, "choice %s", promoRestrict) == 1 && promoSweep != EmptySquare) {
9171 promoSweep = CharToPiece(currentMove&1 ? ToLower(*promoRestrict) : ToUpper(*promoRestrict));
9175 /* [HGM] Allow engine to set up a position. Don't ask me why one would
9176 * want this, I was asked to put it in, and obliged.
9178 if (!strncmp(message, "setboard ", 9)) {
9179 Board initial_position;
9181 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
9183 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
9184 DisplayError(_("Bad FEN received from engine"), 0);
9188 CopyBoard(boards[0], initial_position);
9189 initialRulePlies = FENrulePlies;
9190 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
9191 else gameMode = MachinePlaysBlack;
9192 DrawPosition(FALSE, boards[currentMove]);
9198 * Look for communication commands
9200 if (!strncmp(message, "telluser ", 9)) {
9201 if(message[9] == '\\' && message[10] == '\\')
9202 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
9204 DisplayNote(message + 9);
9207 if (!strncmp(message, "tellusererror ", 14)) {
9209 if(message[14] == '\\' && message[15] == '\\')
9210 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
9212 DisplayError(message + 14, 0);
9215 if (!strncmp(message, "tellopponent ", 13)) {
9216 if (appData.icsActive) {
9218 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
9222 DisplayNote(message + 13);
9226 if (!strncmp(message, "tellothers ", 11)) {
9227 if (appData.icsActive) {
9229 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
9232 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
9235 if (!strncmp(message, "tellall ", 8)) {
9236 if (appData.icsActive) {
9238 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
9242 DisplayNote(message + 8);
9246 if (strncmp(message, "warning", 7) == 0) {
9247 /* Undocumented feature, use tellusererror in new code */
9248 DisplayError(message, 0);
9251 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
9252 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
9253 strcat(realname, " query");
9254 AskQuestion(realname, buf2, buf1, cps->pr);
9257 /* Commands from the engine directly to ICS. We don't allow these to be
9258 * sent until we are logged on. Crafty kibitzes have been known to
9259 * interfere with the login process.
9262 if (!strncmp(message, "tellics ", 8)) {
9263 SendToICS(message + 8);
9267 if (!strncmp(message, "tellicsnoalias ", 15)) {
9268 SendToICS(ics_prefix);
9269 SendToICS(message + 15);
9273 /* The following are for backward compatibility only */
9274 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9275 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9276 SendToICS(ics_prefix);
9282 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9283 if(initPing == cps->lastPong) {
9284 if(gameInfo.variant == VariantUnknown) {
9285 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9286 *engineVariant = NULLCHAR; ASSIGN(appData.variant, "normal"); // back to normal as error recovery?
9287 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9291 if(cps->lastPing == cps->lastPong && abortEngineThink) {
9292 abortEngineThink = FALSE;
9293 DisplayMessage("", "");
9298 if(!strncmp(message, "highlight ", 10)) {
9299 if(appData.testLegality && !*engineVariant && appData.markers) return;
9300 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9303 if(!strncmp(message, "click ", 6)) {
9304 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9305 if(appData.testLegality || !appData.oneClick) return;
9306 sscanf(message+6, "%c%d%c", &f, &y, &c);
9307 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9308 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9309 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9310 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9311 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9312 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9313 LeftClick(Release, lastLeftX, lastLeftY);
9314 controlKey = (c == ',');
9315 LeftClick(Press, x, y);
9316 LeftClick(Release, x, y);
9317 first.highlight = f;
9321 * If the move is illegal, cancel it and redraw the board.
9322 * Also deal with other error cases. Matching is rather loose
9323 * here to accommodate engines written before the spec.
9325 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9326 strncmp(message, "Error", 5) == 0) {
9327 if (StrStr(message, "name") ||
9328 StrStr(message, "rating") || StrStr(message, "?") ||
9329 StrStr(message, "result") || StrStr(message, "board") ||
9330 StrStr(message, "bk") || StrStr(message, "computer") ||
9331 StrStr(message, "variant") || StrStr(message, "hint") ||
9332 StrStr(message, "random") || StrStr(message, "depth") ||
9333 StrStr(message, "accepted")) {
9336 if (StrStr(message, "protover")) {
9337 /* Program is responding to input, so it's apparently done
9338 initializing, and this error message indicates it is
9339 protocol version 1. So we don't need to wait any longer
9340 for it to initialize and send feature commands. */
9341 FeatureDone(cps, 1);
9342 cps->protocolVersion = 1;
9345 cps->maybeThinking = FALSE;
9347 if (StrStr(message, "draw")) {
9348 /* Program doesn't have "draw" command */
9349 cps->sendDrawOffers = 0;
9352 if (cps->sendTime != 1 &&
9353 (StrStr(message, "time") || StrStr(message, "otim"))) {
9354 /* Program apparently doesn't have "time" or "otim" command */
9358 if (StrStr(message, "analyze")) {
9359 cps->analysisSupport = FALSE;
9360 cps->analyzing = FALSE;
9361 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9362 EditGameEvent(); // [HGM] try to preserve loaded game
9363 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9364 DisplayError(buf2, 0);
9367 if (StrStr(message, "(no matching move)st")) {
9368 /* Special kludge for GNU Chess 4 only */
9369 cps->stKludge = TRUE;
9370 SendTimeControl(cps, movesPerSession, timeControl,
9371 timeIncrement, appData.searchDepth,
9375 if (StrStr(message, "(no matching move)sd")) {
9376 /* Special kludge for GNU Chess 4 only */
9377 cps->sdKludge = TRUE;
9378 SendTimeControl(cps, movesPerSession, timeControl,
9379 timeIncrement, appData.searchDepth,
9383 if (!StrStr(message, "llegal")) {
9386 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9387 gameMode == IcsIdle) return;
9388 if (forwardMostMove <= backwardMostMove) return;
9389 if (pausing) PauseEvent();
9390 if(appData.forceIllegal) {
9391 // [HGM] illegal: machine refused move; force position after move into it
9392 SendToProgram("force\n", cps);
9393 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9394 // we have a real problem now, as SendBoard will use the a2a3 kludge
9395 // when black is to move, while there might be nothing on a2 or black
9396 // might already have the move. So send the board as if white has the move.
9397 // But first we must change the stm of the engine, as it refused the last move
9398 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9399 if(WhiteOnMove(forwardMostMove)) {
9400 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9401 SendBoard(cps, forwardMostMove); // kludgeless board
9403 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9404 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9405 SendBoard(cps, forwardMostMove+1); // kludgeless board
9407 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9408 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9409 gameMode == TwoMachinesPlay)
9410 SendToProgram("go\n", cps);
9413 if (gameMode == PlayFromGameFile) {
9414 /* Stop reading this game file */
9415 gameMode = EditGame;
9418 /* [HGM] illegal-move claim should forfeit game when Xboard */
9419 /* only passes fully legal moves */
9420 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9421 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9422 "False illegal-move claim", GE_XBOARD );
9423 return; // do not take back move we tested as valid
9425 currentMove = forwardMostMove-1;
9426 DisplayMove(currentMove-1); /* before DisplayMoveError */
9427 SwitchClocks(forwardMostMove-1); // [HGM] race
9428 DisplayBothClocks();
9429 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9430 parseList[currentMove], _(cps->which));
9431 DisplayMoveError(buf1);
9432 DrawPosition(FALSE, boards[currentMove]);
9434 SetUserThinkingEnables();
9437 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9438 /* Program has a broken "time" command that
9439 outputs a string not ending in newline.
9443 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9444 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9445 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9449 * If chess program startup fails, exit with an error message.
9450 * Attempts to recover here are futile. [HGM] Well, we try anyway
9452 if ((StrStr(message, "unknown host") != NULL)
9453 || (StrStr(message, "No remote directory") != NULL)
9454 || (StrStr(message, "not found") != NULL)
9455 || (StrStr(message, "No such file") != NULL)
9456 || (StrStr(message, "can't alloc") != NULL)
9457 || (StrStr(message, "Permission denied") != NULL)) {
9459 cps->maybeThinking = FALSE;
9460 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9461 _(cps->which), cps->program, cps->host, message);
9462 RemoveInputSource(cps->isr);
9463 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9464 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9465 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9471 * Look for hint output
9473 if (sscanf(message, "Hint: %s", buf1) == 1) {
9474 if (cps == &first && hintRequested) {
9475 hintRequested = FALSE;
9476 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9477 &fromX, &fromY, &toX, &toY, &promoChar)) {
9478 (void) CoordsToAlgebraic(boards[forwardMostMove],
9479 PosFlags(forwardMostMove),
9480 fromY, fromX, toY, toX, promoChar, buf1);
9481 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9482 DisplayInformation(buf2);
9484 /* Hint move could not be parsed!? */
9485 snprintf(buf2, sizeof(buf2),
9486 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9487 buf1, _(cps->which));
9488 DisplayError(buf2, 0);
9491 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9497 * Ignore other messages if game is not in progress
9499 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9500 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9503 * look for win, lose, draw, or draw offer
9505 if (strncmp(message, "1-0", 3) == 0) {
9506 char *p, *q, *r = "";
9507 p = strchr(message, '{');
9515 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9517 } else if (strncmp(message, "0-1", 3) == 0) {
9518 char *p, *q, *r = "";
9519 p = strchr(message, '{');
9527 /* Kludge for Arasan 4.1 bug */
9528 if (strcmp(r, "Black resigns") == 0) {
9529 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9532 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9534 } else if (strncmp(message, "1/2", 3) == 0) {
9535 char *p, *q, *r = "";
9536 p = strchr(message, '{');
9545 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9548 } else if (strncmp(message, "White resign", 12) == 0) {
9549 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9551 } else if (strncmp(message, "Black resign", 12) == 0) {
9552 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9554 } else if (strncmp(message, "White matches", 13) == 0 ||
9555 strncmp(message, "Black matches", 13) == 0 ) {
9556 /* [HGM] ignore GNUShogi noises */
9558 } else if (strncmp(message, "White", 5) == 0 &&
9559 message[5] != '(' &&
9560 StrStr(message, "Black") == NULL) {
9561 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9563 } else if (strncmp(message, "Black", 5) == 0 &&
9564 message[5] != '(') {
9565 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9567 } else if (strcmp(message, "resign") == 0 ||
9568 strcmp(message, "computer resigns") == 0) {
9570 case MachinePlaysBlack:
9571 case IcsPlayingBlack:
9572 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9574 case MachinePlaysWhite:
9575 case IcsPlayingWhite:
9576 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9578 case TwoMachinesPlay:
9579 if (cps->twoMachinesColor[0] == 'w')
9580 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9582 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9589 } else if (strncmp(message, "opponent mates", 14) == 0) {
9591 case MachinePlaysBlack:
9592 case IcsPlayingBlack:
9593 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9595 case MachinePlaysWhite:
9596 case IcsPlayingWhite:
9597 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9599 case TwoMachinesPlay:
9600 if (cps->twoMachinesColor[0] == 'w')
9601 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9603 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9610 } else if (strncmp(message, "computer mates", 14) == 0) {
9612 case MachinePlaysBlack:
9613 case IcsPlayingBlack:
9614 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9616 case MachinePlaysWhite:
9617 case IcsPlayingWhite:
9618 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9620 case TwoMachinesPlay:
9621 if (cps->twoMachinesColor[0] == 'w')
9622 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9624 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9631 } else if (strncmp(message, "checkmate", 9) == 0) {
9632 if (WhiteOnMove(forwardMostMove)) {
9633 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9635 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9638 } else if (strstr(message, "Draw") != NULL ||
9639 strstr(message, "game is a draw") != NULL) {
9640 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9642 } else if (strstr(message, "offer") != NULL &&
9643 strstr(message, "draw") != NULL) {
9645 if (appData.zippyPlay && first.initDone) {
9646 /* Relay offer to ICS */
9647 SendToICS(ics_prefix);
9648 SendToICS("draw\n");
9651 cps->offeredDraw = 2; /* valid until this engine moves twice */
9652 if (gameMode == TwoMachinesPlay) {
9653 if (cps->other->offeredDraw) {
9654 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9655 /* [HGM] in two-machine mode we delay relaying draw offer */
9656 /* until after we also have move, to see if it is really claim */
9658 } else if (gameMode == MachinePlaysWhite ||
9659 gameMode == MachinePlaysBlack) {
9660 if (userOfferedDraw) {
9661 DisplayInformation(_("Machine accepts your draw offer"));
9662 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9664 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9671 * Look for thinking output
9673 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9674 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9676 int plylev, mvleft, mvtot, curscore, time;
9677 char mvname[MOVE_LEN];
9681 int prefixHint = FALSE;
9682 mvname[0] = NULLCHAR;
9685 case MachinePlaysBlack:
9686 case IcsPlayingBlack:
9687 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9689 case MachinePlaysWhite:
9690 case IcsPlayingWhite:
9691 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9696 case IcsObserving: /* [DM] icsEngineAnalyze */
9697 if (!appData.icsEngineAnalyze) ignore = TRUE;
9699 case TwoMachinesPlay:
9700 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9710 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9713 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9714 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9715 char score_buf[MSG_SIZ];
9717 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9718 nodes += u64Const(0x100000000);
9720 if (plyext != ' ' && plyext != '\t') {
9724 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9725 if( cps->scoreIsAbsolute &&
9726 ( gameMode == MachinePlaysBlack ||
9727 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9728 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9729 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9730 !WhiteOnMove(currentMove)
9733 curscore = -curscore;
9736 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9738 if(*bestMove) { // rememer time best EPD move was first found
9739 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9740 ChessMove mt; char *p = bestMove;
9741 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9743 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9744 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9745 solvingTime = (solvingTime < 0 ? time : solvingTime);
9749 while(*p && *p != ' ') p++;
9750 while(*p == ' ') p++;
9752 if(!solved) solvingTime = -1;
9754 if(*avoidMove && !solved) {
9755 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9756 ChessMove mt; char *p = avoidMove, solved = 1;
9757 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9758 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9759 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9760 solved = 0; solvingTime = -2;
9763 while(*p && *p != ' ') p++;
9764 while(*p == ' ') p++;
9766 if(solved && !*bestMove) solvingTime = (solvingTime < 0 ? time : solvingTime);
9769 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9772 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9773 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9774 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9775 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9776 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9777 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9781 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9782 DisplayError(_("failed writing PV"), 0);
9785 tempStats.depth = plylev;
9786 tempStats.nodes = nodes;
9787 tempStats.time = time;
9788 tempStats.score = curscore;
9789 tempStats.got_only_move = 0;
9791 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9794 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9795 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9796 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9797 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9798 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9799 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9800 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9801 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9804 /* Buffer overflow protection */
9805 if (pv[0] != NULLCHAR) {
9806 if (strlen(pv) >= sizeof(tempStats.movelist)
9807 && appData.debugMode) {
9809 "PV is too long; using the first %u bytes.\n",
9810 (unsigned) sizeof(tempStats.movelist) - 1);
9813 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9815 sprintf(tempStats.movelist, " no PV\n");
9818 if (tempStats.seen_stat) {
9819 tempStats.ok_to_send = 1;
9822 if (strchr(tempStats.movelist, '(') != NULL) {
9823 tempStats.line_is_book = 1;
9824 tempStats.nr_moves = 0;
9825 tempStats.moves_left = 0;
9827 tempStats.line_is_book = 0;
9830 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9831 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9833 SendProgramStatsToFrontend( cps, &tempStats );
9836 [AS] Protect the thinkOutput buffer from overflow... this
9837 is only useful if buf1 hasn't overflowed first!
9839 if((gameMode == AnalyzeMode && appData.whitePOV || appData.scoreWhite) && !WhiteOnMove(forwardMostMove)) curscore *= -1;
9840 if(curscore >= MATE_SCORE)
9841 snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
9842 else if(curscore <= -MATE_SCORE)
9843 snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
9845 snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
9846 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
9848 (gameMode == TwoMachinesPlay ?
9849 ToUpper(cps->twoMachinesColor[0]) : ' '),
9851 prefixHint ? lastHint : "",
9852 prefixHint ? " " : "" );
9854 if( buf1[0] != NULLCHAR ) {
9855 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9857 if( strlen(pv) > max_len ) {
9858 if( appData.debugMode) {
9859 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9861 pv[max_len+1] = '\0';
9864 strcat( thinkOutput, pv);
9867 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9868 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9869 DisplayMove(currentMove - 1);
9873 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9874 /* crafty (9.25+) says "(only move) <move>"
9875 * if there is only 1 legal move
9877 sscanf(p, "(only move) %s", buf1);
9878 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9879 sprintf(programStats.movelist, "%s (only move)", buf1);
9880 programStats.depth = 1;
9881 programStats.nr_moves = 1;
9882 programStats.moves_left = 1;
9883 programStats.nodes = 1;
9884 programStats.time = 1;
9885 programStats.got_only_move = 1;
9887 /* Not really, but we also use this member to
9888 mean "line isn't going to change" (Crafty
9889 isn't searching, so stats won't change) */
9890 programStats.line_is_book = 1;
9892 SendProgramStatsToFrontend( cps, &programStats );
9894 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9895 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9896 DisplayMove(currentMove - 1);
9899 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9900 &time, &nodes, &plylev, &mvleft,
9901 &mvtot, mvname) >= 5) {
9902 /* The stat01: line is from Crafty (9.29+) in response
9903 to the "." command */
9904 programStats.seen_stat = 1;
9905 cps->maybeThinking = TRUE;
9907 if (programStats.got_only_move || !appData.periodicUpdates)
9910 programStats.depth = plylev;
9911 programStats.time = time;
9912 programStats.nodes = nodes;
9913 programStats.moves_left = mvleft;
9914 programStats.nr_moves = mvtot;
9915 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9916 programStats.ok_to_send = 1;
9917 programStats.movelist[0] = '\0';
9919 SendProgramStatsToFrontend( cps, &programStats );
9923 } else if (strncmp(message,"++",2) == 0) {
9924 /* Crafty 9.29+ outputs this */
9925 programStats.got_fail = 2;
9928 } else if (strncmp(message,"--",2) == 0) {
9929 /* Crafty 9.29+ outputs this */
9930 programStats.got_fail = 1;
9933 } else if (thinkOutput[0] != NULLCHAR &&
9934 strncmp(message, " ", 4) == 0) {
9935 unsigned message_len;
9938 while (*p && *p == ' ') p++;
9940 message_len = strlen( p );
9942 /* [AS] Avoid buffer overflow */
9943 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9944 strcat(thinkOutput, " ");
9945 strcat(thinkOutput, p);
9948 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9949 strcat(programStats.movelist, " ");
9950 strcat(programStats.movelist, p);
9953 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9954 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9955 DisplayMove(currentMove - 1);
9963 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9964 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9966 ChessProgramStats cpstats;
9968 if (plyext != ' ' && plyext != '\t') {
9972 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9973 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9974 curscore = -curscore;
9977 cpstats.depth = plylev;
9978 cpstats.nodes = nodes;
9979 cpstats.time = time;
9980 cpstats.score = curscore;
9981 cpstats.got_only_move = 0;
9982 cpstats.movelist[0] = '\0';
9984 if (buf1[0] != NULLCHAR) {
9985 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9988 cpstats.ok_to_send = 0;
9989 cpstats.line_is_book = 0;
9990 cpstats.nr_moves = 0;
9991 cpstats.moves_left = 0;
9993 SendProgramStatsToFrontend( cps, &cpstats );
10000 /* Parse a game score from the character string "game", and
10001 record it as the history of the current game. The game
10002 score is NOT assumed to start from the standard position.
10003 The display is not updated in any way.
10006 ParseGameHistory (char *game)
10008 ChessMove moveType;
10009 int fromX, fromY, toX, toY, boardIndex;
10014 if (appData.debugMode)
10015 fprintf(debugFP, "Parsing game history: %s\n", game);
10017 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
10018 gameInfo.site = StrSave(appData.icsHost);
10019 gameInfo.date = PGNDate();
10020 gameInfo.round = StrSave("-");
10022 /* Parse out names of players */
10023 while (*game == ' ') game++;
10025 while (*game != ' ') *p++ = *game++;
10027 gameInfo.white = StrSave(buf);
10028 while (*game == ' ') game++;
10030 while (*game != ' ' && *game != '\n') *p++ = *game++;
10032 gameInfo.black = StrSave(buf);
10035 boardIndex = blackPlaysFirst ? 1 : 0;
10038 yyboardindex = boardIndex;
10039 moveType = (ChessMove) Myylex();
10040 switch (moveType) {
10041 case IllegalMove: /* maybe suicide chess, etc. */
10042 if (appData.debugMode) {
10043 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
10044 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10045 setbuf(debugFP, NULL);
10047 case WhitePromotion:
10048 case BlackPromotion:
10049 case WhiteNonPromotion:
10050 case BlackNonPromotion:
10053 case WhiteCapturesEnPassant:
10054 case BlackCapturesEnPassant:
10055 case WhiteKingSideCastle:
10056 case WhiteQueenSideCastle:
10057 case BlackKingSideCastle:
10058 case BlackQueenSideCastle:
10059 case WhiteKingSideCastleWild:
10060 case WhiteQueenSideCastleWild:
10061 case BlackKingSideCastleWild:
10062 case BlackQueenSideCastleWild:
10064 case WhiteHSideCastleFR:
10065 case WhiteASideCastleFR:
10066 case BlackHSideCastleFR:
10067 case BlackASideCastleFR:
10069 fromX = currentMoveString[0] - AAA;
10070 fromY = currentMoveString[1] - ONE;
10071 toX = currentMoveString[2] - AAA;
10072 toY = currentMoveString[3] - ONE;
10073 promoChar = currentMoveString[4];
10077 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
10078 fromX = moveType == WhiteDrop ?
10079 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10080 (int) CharToPiece(ToLower(currentMoveString[0]));
10082 toX = currentMoveString[2] - AAA;
10083 toY = currentMoveString[3] - ONE;
10084 promoChar = NULLCHAR;
10086 case AmbiguousMove:
10088 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
10089 if (appData.debugMode) {
10090 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
10091 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10092 setbuf(debugFP, NULL);
10094 DisplayError(buf, 0);
10096 case ImpossibleMove:
10098 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
10099 if (appData.debugMode) {
10100 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
10101 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10102 setbuf(debugFP, NULL);
10104 DisplayError(buf, 0);
10107 if (boardIndex < backwardMostMove) {
10108 /* Oops, gap. How did that happen? */
10109 DisplayError(_("Gap in move list"), 0);
10112 backwardMostMove = blackPlaysFirst ? 1 : 0;
10113 if (boardIndex > forwardMostMove) {
10114 forwardMostMove = boardIndex;
10118 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
10119 strcat(parseList[boardIndex-1], " ");
10120 strcat(parseList[boardIndex-1], yy_text);
10132 case GameUnfinished:
10133 if (gameMode == IcsExamining) {
10134 if (boardIndex < backwardMostMove) {
10135 /* Oops, gap. How did that happen? */
10138 backwardMostMove = blackPlaysFirst ? 1 : 0;
10141 gameInfo.result = moveType;
10142 p = strchr(yy_text, '{');
10143 if (p == NULL) p = strchr(yy_text, '(');
10146 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10148 q = strchr(p, *p == '{' ? '}' : ')');
10149 if (q != NULL) *q = NULLCHAR;
10152 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10153 gameInfo.resultDetails = StrSave(p);
10156 if (boardIndex >= forwardMostMove &&
10157 !(gameMode == IcsObserving && ics_gamenum == -1)) {
10158 backwardMostMove = blackPlaysFirst ? 1 : 0;
10161 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
10162 fromY, fromX, toY, toX, promoChar,
10163 parseList[boardIndex]);
10164 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
10165 /* currentMoveString is set as a side-effect of yylex */
10166 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
10167 strcat(moveList[boardIndex], "\n");
10169 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
10170 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
10176 if(!IS_SHOGI(gameInfo.variant))
10177 strcat(parseList[boardIndex - 1], "+");
10181 strcat(parseList[boardIndex - 1], "#");
10188 /* Apply a move to the given board */
10190 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
10192 ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, berolina = 0;
10193 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
10195 /* [HGM] compute & store e.p. status and castling rights for new position */
10196 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
10198 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
10199 oldEP = (signed char)board[EP_FILE]; epRank = board[EP_RANK];
10200 board[EP_STATUS] = EP_NONE;
10201 board[EP_FILE] = board[EP_RANK] = 100;
10203 if (fromY == DROP_RANK) {
10204 /* must be first */
10205 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
10206 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
10209 piece = board[toY][toX] = (ChessSquare) fromX;
10211 // ChessSquare victim;
10214 if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
10215 // victim = board[killY][killX],
10216 killed = board[killY][killX],
10217 board[killY][killX] = EmptySquare,
10218 board[EP_STATUS] = EP_CAPTURE;
10219 if( kill2X >= 0 && kill2Y >= 0)
10220 killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
10223 if( board[toY][toX] != EmptySquare ) {
10224 board[EP_STATUS] = EP_CAPTURE;
10225 if( (fromX != toX || fromY != toY) && // not igui!
10226 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
10227 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
10228 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
10232 pawn = board[fromY][fromX];
10233 if( pawn == WhiteLance || pawn == BlackLance ) {
10234 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
10235 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
10236 else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
10239 if( pawn == WhitePawn ) {
10240 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10241 board[EP_STATUS] = EP_PAWN_MOVE;
10242 if( toY-fromY>=2) {
10243 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
10244 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
10245 gameInfo.variant != VariantBerolina || toX < fromX)
10246 board[EP_STATUS] = toX | berolina;
10247 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
10248 gameInfo.variant != VariantBerolina || toX > fromX)
10249 board[EP_STATUS] = toX;
10252 if( pawn == BlackPawn ) {
10253 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10254 board[EP_STATUS] = EP_PAWN_MOVE;
10255 if( toY-fromY<= -2) {
10256 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
10257 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10258 gameInfo.variant != VariantBerolina || toX < fromX)
10259 board[EP_STATUS] = toX | berolina;
10260 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10261 gameInfo.variant != VariantBerolina || toX > fromX)
10262 board[EP_STATUS] = toX;
10266 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10267 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10268 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10269 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10271 for(i=0; i<nrCastlingRights; i++) {
10272 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10273 board[CASTLING][i] == toX && castlingRank[i] == toY
10274 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10277 if(gameInfo.variant == VariantSChess) { // update virginity
10278 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10279 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10280 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10281 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10284 if (fromX == toX && fromY == toY && killX < 0) return;
10286 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10287 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10288 if(gameInfo.variant == VariantKnightmate)
10289 king += (int) WhiteUnicorn - (int) WhiteKing;
10291 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10292 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10293 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10294 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10295 board[EP_STATUS] = EP_NONE; // capture was fake!
10297 if(nrCastlingRights == 0 && board[toY][toX] < EmptySquare && (piece < BlackPawn) == (board[toY][toX] < BlackPawn)) {
10298 board[fromY][fromX] = board[toY][toX]; // capture own will lead to swapping
10299 board[toY][toX] = piece;
10300 board[EP_STATUS] = EP_NONE; // capture was fake!
10302 /* Code added by Tord: */
10303 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10304 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10305 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10306 board[EP_STATUS] = EP_NONE; // capture was fake!
10307 board[fromY][fromX] = EmptySquare;
10308 board[toY][toX] = EmptySquare;
10309 if((toX > fromX) != (piece == WhiteRook)) {
10310 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10312 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10314 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10315 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10316 board[EP_STATUS] = EP_NONE;
10317 board[fromY][fromX] = EmptySquare;
10318 board[toY][toX] = EmptySquare;
10319 if((toX > fromX) != (piece == BlackRook)) {
10320 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10322 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10324 /* End of code added by Tord */
10326 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10327 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10328 board[toY][toX] = piece;
10329 } else if (board[fromY][fromX] == king
10330 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10331 && toY == fromY && toX > fromX+1) {
10332 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++)
10333 ; // castle with nearest piece
10334 board[fromY][toX-1] = board[fromY][rookX];
10335 board[fromY][rookX] = EmptySquare;
10336 board[fromY][fromX] = EmptySquare;
10337 board[toY][toX] = king;
10338 } else if (board[fromY][fromX] == king
10339 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10340 && toY == fromY && toX < fromX-1) {
10341 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--)
10342 ; // castle with nearest piece
10343 board[fromY][toX+1] = board[fromY][rookX];
10344 board[fromY][rookX] = EmptySquare;
10345 board[fromY][fromX] = EmptySquare;
10346 board[toY][toX] = king;
10347 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10348 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10349 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10351 /* white pawn promotion */
10352 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10353 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10354 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10355 board[fromY][fromX] = EmptySquare;
10356 } else if ((fromY >= BOARD_HEIGHT>>1)
10357 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10359 && gameInfo.variant != VariantXiangqi
10360 && gameInfo.variant != VariantBerolina
10361 && (pawn == WhitePawn)
10362 && (board[toY][toX] == EmptySquare)) {
10363 board[fromY][fromX] = EmptySquare;
10364 board[toY][toX] = piece;
10365 if(toY == epRank - 128 + 1)
10366 captured = board[toY - 2][toX], board[toY - 2][toX] = EmptySquare;
10368 captured = board[toY - 1][toX], board[toY - 1][toX] = EmptySquare;
10369 } else if ((fromY == BOARD_HEIGHT-4)
10371 && gameInfo.variant == VariantBerolina
10372 && (board[fromY][fromX] == WhitePawn)
10373 && (board[toY][toX] == EmptySquare)) {
10374 board[fromY][fromX] = EmptySquare;
10375 board[toY][toX] = WhitePawn;
10376 if(oldEP & EP_BEROLIN_A) {
10377 captured = board[fromY][fromX-1];
10378 board[fromY][fromX-1] = EmptySquare;
10379 }else{ captured = board[fromY][fromX+1];
10380 board[fromY][fromX+1] = EmptySquare;
10382 } else if (board[fromY][fromX] == king
10383 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10384 && toY == fromY && toX > fromX+1) {
10385 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++)
10387 board[fromY][toX-1] = board[fromY][rookX];
10388 board[fromY][rookX] = EmptySquare;
10389 board[fromY][fromX] = EmptySquare;
10390 board[toY][toX] = king;
10391 } else if (board[fromY][fromX] == king
10392 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10393 && toY == fromY && toX < fromX-1) {
10394 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--)
10396 board[fromY][toX+1] = board[fromY][rookX];
10397 board[fromY][rookX] = EmptySquare;
10398 board[fromY][fromX] = EmptySquare;
10399 board[toY][toX] = king;
10400 } else if (fromY == 7 && fromX == 3
10401 && board[fromY][fromX] == BlackKing
10402 && toY == 7 && toX == 5) {
10403 board[fromY][fromX] = EmptySquare;
10404 board[toY][toX] = BlackKing;
10405 board[fromY][7] = EmptySquare;
10406 board[toY][4] = BlackRook;
10407 } else if (fromY == 7 && fromX == 3
10408 && board[fromY][fromX] == BlackKing
10409 && toY == 7 && toX == 1) {
10410 board[fromY][fromX] = EmptySquare;
10411 board[toY][toX] = BlackKing;
10412 board[fromY][0] = EmptySquare;
10413 board[toY][2] = BlackRook;
10414 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10415 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10416 && toY < promoRank && promoChar
10418 /* black pawn promotion */
10419 board[toY][toX] = CharToPiece(ToLower(promoChar));
10420 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10421 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10422 board[fromY][fromX] = EmptySquare;
10423 } else if ((fromY < BOARD_HEIGHT>>1)
10424 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10426 && gameInfo.variant != VariantXiangqi
10427 && gameInfo.variant != VariantBerolina
10428 && (pawn == BlackPawn)
10429 && (board[toY][toX] == EmptySquare)) {
10430 board[fromY][fromX] = EmptySquare;
10431 board[toY][toX] = piece;
10432 if(toY == epRank - 128 - 1)
10433 captured = board[toY + 2][toX], board[toY + 2][toX] = EmptySquare;
10435 captured = board[toY + 1][toX], board[toY + 1][toX] = EmptySquare;
10436 } else if ((fromY == 3)
10438 && gameInfo.variant == VariantBerolina
10439 && (board[fromY][fromX] == BlackPawn)
10440 && (board[toY][toX] == EmptySquare)) {
10441 board[fromY][fromX] = EmptySquare;
10442 board[toY][toX] = BlackPawn;
10443 if(oldEP & EP_BEROLIN_A) {
10444 captured = board[fromY][fromX-1];
10445 board[fromY][fromX-1] = EmptySquare;
10446 }else{ captured = board[fromY][fromX+1];
10447 board[fromY][fromX+1] = EmptySquare;
10450 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10451 board[fromY][fromX] = EmptySquare;
10452 board[toY][toX] = piece;
10456 if (gameInfo.holdingsWidth != 0) {
10458 /* !!A lot more code needs to be written to support holdings */
10459 /* [HGM] OK, so I have written it. Holdings are stored in the */
10460 /* penultimate board files, so they are automaticlly stored */
10461 /* in the game history. */
10462 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10463 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10464 /* Delete from holdings, by decreasing count */
10465 /* and erasing image if necessary */
10466 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10467 if(p < (int) BlackPawn) { /* white drop */
10468 p -= (int)WhitePawn;
10469 p = PieceToNumber((ChessSquare)p);
10470 if(p >= gameInfo.holdingsSize) p = 0;
10471 if(--board[p][BOARD_WIDTH-2] <= 0)
10472 board[p][BOARD_WIDTH-1] = EmptySquare;
10473 if((int)board[p][BOARD_WIDTH-2] < 0)
10474 board[p][BOARD_WIDTH-2] = 0;
10475 } else { /* black drop */
10476 p -= (int)BlackPawn;
10477 p = PieceToNumber((ChessSquare)p);
10478 if(p >= gameInfo.holdingsSize) p = 0;
10479 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10480 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10481 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10482 board[BOARD_HEIGHT-1-p][1] = 0;
10485 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10486 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10487 /* [HGM] holdings: Add to holdings, if holdings exist */
10488 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10489 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10490 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10492 p = (int) captured;
10493 if (p >= (int) BlackPawn) {
10494 p -= (int)BlackPawn;
10495 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10496 /* Restore shogi-promoted piece to its original first */
10497 captured = (ChessSquare) (DEMOTED(captured));
10500 p = PieceToNumber((ChessSquare)p);
10501 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10502 board[p][BOARD_WIDTH-2]++;
10503 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10505 p -= (int)WhitePawn;
10506 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10507 captured = (ChessSquare) (DEMOTED(captured));
10510 p = PieceToNumber((ChessSquare)p);
10511 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10512 board[BOARD_HEIGHT-1-p][1]++;
10513 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10516 } else if (gameInfo.variant == VariantAtomic) {
10517 if (captured != EmptySquare) {
10519 for (y = toY-1; y <= toY+1; y++) {
10520 for (x = toX-1; x <= toX+1; x++) {
10521 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10522 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10523 board[y][x] = EmptySquare;
10527 board[toY][toX] = EmptySquare;
10531 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10532 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10534 if(promoChar == '+') {
10535 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10536 board[toY][toX] = (ChessSquare) (CHUPROMOTED(piece));
10537 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10538 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10539 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10540 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10541 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10542 && pieceToChar[PROMOTED(newPiece)] == '~') newPiece = PROMOTED(newPiece);// but promoted version available
10543 board[toY][toX] = newPiece;
10545 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10546 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10547 // [HGM] superchess: take promotion piece out of holdings
10548 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10549 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10550 if(!--board[k][BOARD_WIDTH-2])
10551 board[k][BOARD_WIDTH-1] = EmptySquare;
10553 if(!--board[BOARD_HEIGHT-1-k][1])
10554 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10559 /* Updates forwardMostMove */
10561 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10563 int x = toX, y = toY;
10564 char *s = parseList[forwardMostMove];
10565 ChessSquare p = boards[forwardMostMove][toY][toX];
10566 // forwardMostMove++; // [HGM] bare: moved downstream
10568 if(kill2X >= 0) x = kill2X, y = kill2Y; else
10569 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10570 (void) CoordsToAlgebraic(boards[forwardMostMove],
10571 PosFlags(forwardMostMove),
10572 fromY, fromX, y, x, (killX < 0)*promoChar,
10574 if(kill2X >= 0 && kill2Y >= 0)
10575 sprintf(s + strlen(s), "x%c%d", killX + AAA, killY + ONE - '0'); // 2nd leg of 3-leg move is always capture
10576 if(killX >= 0 && killY >= 0)
10577 sprintf(s + strlen(s), "%c%c%d%c", p == EmptySquare || toX == fromX && toY == fromY || toX== kill2X && toY == kill2Y ? '-' : 'x',
10578 toX + AAA, toY + ONE - '0', promoChar);
10580 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10581 int timeLeft; static int lastLoadFlag=0; int king, piece;
10582 piece = boards[forwardMostMove][fromY][fromX];
10583 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10584 if(gameInfo.variant == VariantKnightmate)
10585 king += (int) WhiteUnicorn - (int) WhiteKing;
10586 if(forwardMostMove == 0) {
10587 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10588 fprintf(serverMoves, "%s;", UserName());
10589 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10590 fprintf(serverMoves, "%s;", second.tidy);
10591 fprintf(serverMoves, "%s;", first.tidy);
10592 if(gameMode == MachinePlaysWhite)
10593 fprintf(serverMoves, "%s;", UserName());
10594 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10595 fprintf(serverMoves, "%s;", second.tidy);
10596 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10597 lastLoadFlag = loadFlag;
10599 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10600 // print castling suffix
10601 if( toY == fromY && piece == king ) {
10603 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10605 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10608 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10609 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10610 boards[forwardMostMove][toY][toX] == EmptySquare
10611 && fromX != toX && fromY != toY)
10612 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10613 // promotion suffix
10614 if(promoChar != NULLCHAR) {
10615 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10616 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10617 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10618 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10621 char buf[MOVE_LEN*2], *p; int len;
10622 fprintf(serverMoves, "/%d/%d",
10623 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10624 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10625 else timeLeft = blackTimeRemaining/1000;
10626 fprintf(serverMoves, "/%d", timeLeft);
10627 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10628 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10629 if(p = strchr(buf, '=')) *p = NULLCHAR;
10630 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10631 fprintf(serverMoves, "/%s", buf);
10633 fflush(serverMoves);
10636 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10637 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10640 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10641 if (commentList[forwardMostMove+1] != NULL) {
10642 free(commentList[forwardMostMove+1]);
10643 commentList[forwardMostMove+1] = NULL;
10645 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10646 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10647 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10648 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10649 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10650 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10651 adjustedClock = FALSE;
10652 gameInfo.result = GameUnfinished;
10653 if (gameInfo.resultDetails != NULL) {
10654 free(gameInfo.resultDetails);
10655 gameInfo.resultDetails = NULL;
10657 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10658 moveList[forwardMostMove - 1]);
10659 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10665 if(!IS_SHOGI(gameInfo.variant))
10666 strcat(parseList[forwardMostMove - 1], "+");
10670 strcat(parseList[forwardMostMove - 1], "#");
10675 /* Updates currentMove if not pausing */
10677 ShowMove (int fromX, int fromY, int toX, int toY)
10679 int instant = (gameMode == PlayFromGameFile) ?
10680 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10681 if(appData.noGUI) return;
10682 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10684 if (forwardMostMove == currentMove + 1) {
10685 AnimateMove(boards[forwardMostMove - 1],
10686 fromX, fromY, toX, toY);
10689 currentMove = forwardMostMove;
10692 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
10694 if (instant) return;
10696 DisplayMove(currentMove - 1);
10697 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10698 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10699 SetHighlights(fromX, fromY, toX, toY);
10702 DrawPosition(FALSE, boards[currentMove]);
10703 DisplayBothClocks();
10704 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10708 SendEgtPath (ChessProgramState *cps)
10709 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10710 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10712 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10715 char c, *q = name+1, *r, *s;
10717 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10718 while(*p && *p != ',') *q++ = *p++;
10719 *q++ = ':'; *q = 0;
10720 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10721 strcmp(name, ",nalimov:") == 0 ) {
10722 // take nalimov path from the menu-changeable option first, if it is defined
10723 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10724 SendToProgram(buf,cps); // send egtbpath command for nalimov
10726 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10727 (s = StrStr(appData.egtFormats, name)) != NULL) {
10728 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10729 s = r = StrStr(s, ":") + 1; // beginning of path info
10730 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10731 c = *r; *r = 0; // temporarily null-terminate path info
10732 *--q = 0; // strip of trailig ':' from name
10733 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10735 SendToProgram(buf,cps); // send egtbpath command for this format
10737 if(*p == ',') p++; // read away comma to position for next format name
10742 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10744 int width = 8, height = 8, holdings = 0; // most common sizes
10745 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10746 // correct the deviations default for each variant
10747 if( v == VariantXiangqi ) width = 9, height = 10;
10748 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10749 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10750 if( v == VariantCapablanca || v == VariantCapaRandom ||
10751 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10753 if( v == VariantCourier ) width = 12;
10754 if( v == VariantSuper ) holdings = 8;
10755 if( v == VariantGreat ) width = 10, holdings = 8;
10756 if( v == VariantSChess ) holdings = 7;
10757 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10758 if( v == VariantChuChess) width = 10, height = 10;
10759 if( v == VariantChu ) width = 12, height = 12;
10760 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10761 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10762 holdingsSize >= 0 && holdingsSize != holdings;
10765 char variantError[MSG_SIZ];
10768 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10769 { // returns error message (recognizable by upper-case) if engine does not support the variant
10770 char *p, *variant = VariantName(v);
10771 static char b[MSG_SIZ];
10772 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10773 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10774 holdingsSize, variant); // cook up sized variant name
10775 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10776 if(StrStr(list, b) == NULL) {
10777 // specific sized variant not known, check if general sizing allowed
10778 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10779 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10780 boardWidth, boardHeight, holdingsSize, engine);
10783 /* [HGM] here we really should compare with the maximum supported board size */
10785 } else snprintf(b, MSG_SIZ,"%s", variant);
10786 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10787 p = StrStr(list, b);
10788 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10790 // occurs not at all in list, or only as sub-string
10791 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10792 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10793 int l = strlen(variantError);
10795 while(p != list && p[-1] != ',') p--;
10796 q = strchr(p, ',');
10797 if(q) *q = NULLCHAR;
10798 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10807 InitChessProgram (ChessProgramState *cps, int setup)
10808 /* setup needed to setup FRC opening position */
10810 char buf[MSG_SIZ], *b;
10811 if (appData.noChessProgram) return;
10812 hintRequested = FALSE;
10813 bookRequested = FALSE;
10815 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10816 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10817 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10818 if(cps->memSize) { /* [HGM] memory */
10819 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10820 SendToProgram(buf, cps);
10822 SendEgtPath(cps); /* [HGM] EGT */
10823 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10824 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10825 SendToProgram(buf, cps);
10828 setboardSpoiledMachineBlack = FALSE;
10829 SendToProgram(cps->initString, cps);
10830 if (gameInfo.variant != VariantNormal &&
10831 gameInfo.variant != VariantLoadable
10832 /* [HGM] also send variant if board size non-standard */
10833 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10835 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10836 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10840 char c, *q = cps->variants, *p = strchr(q, ',');
10841 if(p) *p = NULLCHAR;
10842 v = StringToVariant(q);
10843 DisplayError(variantError, 0);
10844 if(v != VariantUnknown && cps == &first) {
10846 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10847 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10848 ASSIGN(appData.variant, q);
10849 Reset(TRUE, FALSE);
10855 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10856 SendToProgram(buf, cps);
10858 currentlyInitializedVariant = gameInfo.variant;
10860 /* [HGM] send opening position in FRC to first engine */
10862 SendToProgram("force\n", cps);
10864 /* engine is now in force mode! Set flag to wake it up after first move. */
10865 setboardSpoiledMachineBlack = 1;
10868 if (cps->sendICS) {
10869 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10870 SendToProgram(buf, cps);
10872 cps->maybeThinking = FALSE;
10873 cps->offeredDraw = 0;
10874 if (!appData.icsActive) {
10875 SendTimeControl(cps, movesPerSession, timeControl,
10876 timeIncrement, appData.searchDepth,
10879 if (appData.showThinking
10880 // [HGM] thinking: four options require thinking output to be sent
10881 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10883 SendToProgram("post\n", cps);
10885 SendToProgram("hard\n", cps);
10886 if (!appData.ponderNextMove) {
10887 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10888 it without being sure what state we are in first. "hard"
10889 is not a toggle, so that one is OK.
10891 SendToProgram("easy\n", cps);
10893 if (cps->usePing) {
10894 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10895 SendToProgram(buf, cps);
10897 cps->initDone = TRUE;
10898 ClearEngineOutputPane(cps == &second);
10903 ResendOptions (ChessProgramState *cps)
10904 { // send the stored value of the options
10907 Option *opt = cps->option;
10908 for(i=0; i<cps->nrOptions; i++, opt++) {
10909 switch(opt->type) {
10913 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10916 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10919 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10925 SendToProgram(buf, cps);
10930 StartChessProgram (ChessProgramState *cps)
10935 if (appData.noChessProgram) return;
10936 cps->initDone = FALSE;
10938 if (strcmp(cps->host, "localhost") == 0) {
10939 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10940 } else if (*appData.remoteShell == NULLCHAR) {
10941 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10943 if (*appData.remoteUser == NULLCHAR) {
10944 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10947 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10948 cps->host, appData.remoteUser, cps->program);
10950 err = StartChildProcess(buf, "", &cps->pr);
10954 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10955 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10956 if(cps != &first) return;
10957 appData.noChessProgram = TRUE;
10960 // DisplayFatalError(buf, err, 1);
10961 // cps->pr = NoProc;
10962 // cps->isr = NULL;
10966 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10967 if (cps->protocolVersion > 1) {
10968 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10969 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10970 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10971 cps->comboCnt = 0; // and values of combo boxes
10973 SendToProgram(buf, cps);
10974 if(cps->reload) ResendOptions(cps);
10976 SendToProgram("xboard\n", cps);
10981 TwoMachinesEventIfReady P((void))
10983 static int curMess = 0;
10984 if (first.lastPing != first.lastPong) {
10985 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10986 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10989 if (second.lastPing != second.lastPong) {
10990 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10991 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10994 DisplayMessage("", ""); curMess = 0;
10995 TwoMachinesEvent();
10999 MakeName (char *template)
11003 static char buf[MSG_SIZ];
11007 clock = time((time_t *)NULL);
11008 tm = localtime(&clock);
11010 while(*p++ = *template++) if(p[-1] == '%') {
11011 switch(*template++) {
11012 case 0: *p = 0; return buf;
11013 case 'Y': i = tm->tm_year+1900; break;
11014 case 'y': i = tm->tm_year-100; break;
11015 case 'M': i = tm->tm_mon+1; break;
11016 case 'd': i = tm->tm_mday; break;
11017 case 'h': i = tm->tm_hour; break;
11018 case 'm': i = tm->tm_min; break;
11019 case 's': i = tm->tm_sec; break;
11022 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
11028 CountPlayers (char *p)
11031 while(p = strchr(p, '\n')) p++, n++; // count participants
11036 WriteTourneyFile (char *results, FILE *f)
11037 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
11038 if(f == NULL) f = fopen(appData.tourneyFile, "w");
11039 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
11040 // create a file with tournament description
11041 fprintf(f, "-participants {%s}\n", appData.participants);
11042 fprintf(f, "-seedBase %d\n", appData.seedBase);
11043 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
11044 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
11045 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
11046 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
11047 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
11048 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
11049 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
11050 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
11051 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
11052 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
11053 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
11054 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
11055 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
11056 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
11057 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
11058 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
11059 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
11060 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
11061 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
11062 fprintf(f, "-smpCores %d\n", appData.smpCores);
11064 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
11066 fprintf(f, "-mps %d\n", appData.movesPerSession);
11067 fprintf(f, "-tc %s\n", appData.timeControl);
11068 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
11070 fprintf(f, "-results \"%s\"\n", results);
11075 char *command[MAXENGINES], *mnemonic[MAXENGINES];
11078 Substitute (char *participants, int expunge)
11080 int i, changed, changes=0, nPlayers=0;
11081 char *p, *q, *r, buf[MSG_SIZ];
11082 if(participants == NULL) return;
11083 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
11084 r = p = participants; q = appData.participants;
11085 while(*p && *p == *q) {
11086 if(*p == '\n') r = p+1, nPlayers++;
11089 if(*p) { // difference
11090 while(*p && *p++ != '\n')
11092 while(*q && *q++ != '\n')
11094 changed = nPlayers;
11095 changes = 1 + (strcmp(p, q) != 0);
11097 if(changes == 1) { // a single engine mnemonic was changed
11098 q = r; while(*q) nPlayers += (*q++ == '\n');
11099 p = buf; while(*r && (*p = *r++) != '\n') p++;
11101 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11102 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
11103 if(mnemonic[i]) { // The substitute is valid
11105 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
11106 flock(fileno(f), LOCK_EX);
11107 ParseArgsFromFile(f);
11108 fseek(f, 0, SEEK_SET);
11109 FREE(appData.participants); appData.participants = participants;
11110 if(expunge) { // erase results of replaced engine
11111 int len = strlen(appData.results), w, b, dummy;
11112 for(i=0; i<len; i++) {
11113 Pairing(i, nPlayers, &w, &b, &dummy);
11114 if((w == changed || b == changed) && appData.results[i] == '*') {
11115 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
11120 for(i=0; i<len; i++) {
11121 Pairing(i, nPlayers, &w, &b, &dummy);
11122 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
11125 WriteTourneyFile(appData.results, f);
11126 fclose(f); // release lock
11129 } else DisplayError(_("No engine with the name you gave is installed"), 0);
11131 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
11132 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
11133 free(participants);
11138 CheckPlayers (char *participants)
11141 char buf[MSG_SIZ], *p;
11142 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11143 while(p = strchr(participants, '\n')) {
11145 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
11147 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
11149 DisplayError(buf, 0);
11153 participants = p + 1;
11159 CreateTourney (char *name)
11162 if(matchMode && strcmp(name, appData.tourneyFile)) {
11163 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
11165 if(name[0] == NULLCHAR) {
11166 if(appData.participants[0])
11167 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
11170 f = fopen(name, "r");
11171 if(f) { // file exists
11172 ASSIGN(appData.tourneyFile, name);
11173 ParseArgsFromFile(f); // parse it
11175 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11176 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11177 DisplayError(_("Not enough participants"), 0);
11180 if(CheckPlayers(appData.participants)) return 0;
11181 ASSIGN(appData.tourneyFile, name);
11182 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11183 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11186 appData.noChessProgram = FALSE;
11187 appData.clockMode = TRUE;
11193 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11195 char buf[MSG_SIZ], *p, *q;
11196 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11197 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11198 skip = !all && group[0]; // if group requested, we start in skip mode
11199 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11200 p = names; q = buf; header = 0;
11201 while(*p && *p != '\n') *q++ = *p++;
11203 if(*p == '\n') p++;
11204 if(buf[0] == '#') {
11205 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11206 depth++; // we must be entering a new group
11207 if(all) continue; // suppress printing group headers when complete list requested
11209 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11211 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11212 if(engineList[i]) free(engineList[i]);
11213 engineList[i] = strdup(buf);
11214 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11215 if(engineMnemonic[i]) free(engineMnemonic[i]);
11216 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11218 sscanf(q + 8, "%s", buf + strlen(buf));
11221 engineMnemonic[i] = strdup(buf);
11224 engineList[i] = engineMnemonic[i] = NULL;
11228 // following implemented as macro to avoid type limitations
11229 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11232 SwapEngines (int n)
11233 { // swap settings for first engine and other engine (so far only some selected options)
11238 SWAP(chessProgram, p)
11240 SWAP(hasOwnBookUCI, h)
11241 SWAP(protocolVersion, h)
11243 SWAP(scoreIsAbsolute, h)
11248 SWAP(engOptions, p)
11249 SWAP(engInitString, p)
11250 SWAP(computerString, p)
11252 SWAP(fenOverride, p)
11254 SWAP(accumulateTC, h)
11261 GetEngineLine (char *s, int n)
11265 extern char *icsNames;
11266 if(!s || !*s) return 0;
11267 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11268 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11269 if(!mnemonic[i]) return 0;
11270 if(n == 11) return 1; // just testing if there was a match
11271 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11272 if(n == 1) SwapEngines(n);
11273 ParseArgsFromString(buf);
11274 if(n == 1) SwapEngines(n);
11275 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11276 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11277 ParseArgsFromString(buf);
11283 SetPlayer (int player, char *p)
11284 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11286 char buf[MSG_SIZ], *engineName;
11287 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11288 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11289 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11291 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11292 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11293 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11294 ParseArgsFromString(buf);
11295 } else { // no engine with this nickname is installed!
11296 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11297 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11298 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11300 DisplayError(buf, 0);
11307 char *recentEngines;
11310 RecentEngineEvent (int nr)
11313 // SwapEngines(1); // bump first to second
11314 // ReplaceEngine(&second, 1); // and load it there
11315 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11316 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11317 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11318 ReplaceEngine(&first, 0);
11319 FloatToFront(&appData.recentEngineList, command[n]);
11324 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11325 { // determine players from game number
11326 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11328 if(appData.tourneyType == 0) {
11329 roundsPerCycle = (nPlayers - 1) | 1;
11330 pairingsPerRound = nPlayers / 2;
11331 } else if(appData.tourneyType > 0) {
11332 roundsPerCycle = nPlayers - appData.tourneyType;
11333 pairingsPerRound = appData.tourneyType;
11335 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11336 gamesPerCycle = gamesPerRound * roundsPerCycle;
11337 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11338 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11339 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11340 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11341 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11342 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11344 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11345 if(appData.roundSync) *syncInterval = gamesPerRound;
11347 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11349 if(appData.tourneyType == 0) {
11350 if(curPairing == (nPlayers-1)/2 ) {
11351 *whitePlayer = curRound;
11352 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11354 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11355 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11356 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11357 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11359 } else if(appData.tourneyType > 1) {
11360 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11361 *whitePlayer = curRound + appData.tourneyType;
11362 } else if(appData.tourneyType > 0) {
11363 *whitePlayer = curPairing;
11364 *blackPlayer = curRound + appData.tourneyType;
11367 // take care of white/black alternation per round.
11368 // For cycles and games this is already taken care of by default, derived from matchGame!
11369 return curRound & 1;
11373 NextTourneyGame (int nr, int *swapColors)
11374 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11376 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11378 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11379 tf = fopen(appData.tourneyFile, "r");
11380 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11381 ParseArgsFromFile(tf); fclose(tf);
11382 InitTimeControls(); // TC might be altered from tourney file
11384 nPlayers = CountPlayers(appData.participants); // count participants
11385 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11386 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11389 p = q = appData.results;
11390 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11391 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11392 DisplayMessage(_("Waiting for other game(s)"),"");
11393 waitingForGame = TRUE;
11394 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11397 waitingForGame = FALSE;
11400 if(appData.tourneyType < 0) {
11401 if(nr>=0 && !pairingReceived) {
11403 if(pairing.pr == NoProc) {
11404 if(!appData.pairingEngine[0]) {
11405 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11408 StartChessProgram(&pairing); // starts the pairing engine
11410 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11411 SendToProgram(buf, &pairing);
11412 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11413 SendToProgram(buf, &pairing);
11414 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11416 pairingReceived = 0; // ... so we continue here
11418 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11419 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11420 matchGame = 1; roundNr = nr / syncInterval + 1;
11423 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11425 // redefine engines, engine dir, etc.
11426 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11427 if(first.pr == NoProc) {
11428 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11429 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11431 if(second.pr == NoProc) {
11433 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11434 SwapEngines(1); // and make that valid for second engine by swapping
11435 InitEngine(&second, 1);
11437 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11438 UpdateLogos(FALSE); // leave display to ModeHiglight()
11444 { // performs game initialization that does not invoke engines, and then tries to start the game
11445 int res, firstWhite, swapColors = 0;
11446 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11447 if(matchMode && appData.debugMode) { // [HGM] debug split: game is part of a match; we might have to create a debug file just for this game
11449 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11450 if(strcmp(buf, currentDebugFile)) { // name has changed
11451 FILE *f = fopen(buf, "w");
11452 if(f) { // if opening the new file failed, just keep using the old one
11453 ASSIGN(currentDebugFile, buf);
11457 if(appData.serverFileName) {
11458 if(serverFP) fclose(serverFP);
11459 serverFP = fopen(appData.serverFileName, "w");
11460 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11461 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11465 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11466 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11467 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11468 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11469 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11470 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11471 Reset(FALSE, first.pr != NoProc);
11472 res = LoadGameOrPosition(matchGame); // setup game
11473 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11474 if(!res) return; // abort when bad game/pos file
11475 if(appData.epd) {// in EPD mode we make sure first engine is to move
11476 firstWhite = !(forwardMostMove & 1);
11477 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11478 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11480 TwoMachinesEvent();
11484 UserAdjudicationEvent (int result)
11486 ChessMove gameResult = GameIsDrawn;
11489 gameResult = WhiteWins;
11491 else if( result < 0 ) {
11492 gameResult = BlackWins;
11495 if( gameMode == TwoMachinesPlay ) {
11496 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11501 // [HGM] save: calculate checksum of game to make games easily identifiable
11503 StringCheckSum (char *s)
11506 if(s==NULL) return 0;
11507 while(*s) i = i*259 + *s++;
11515 for(i=backwardMostMove; i<forwardMostMove; i++) {
11516 sum += pvInfoList[i].depth;
11517 sum += StringCheckSum(parseList[i]);
11518 sum += StringCheckSum(commentList[i]);
11521 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11522 return sum + StringCheckSum(commentList[i]);
11523 } // end of save patch
11526 GameEnds (ChessMove result, char *resultDetails, int whosays)
11528 GameMode nextGameMode;
11530 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11532 if(endingGame) return; /* [HGM] crash: forbid recursion */
11534 if(twoBoards) { // [HGM] dual: switch back to one board
11535 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11536 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11538 if (appData.debugMode) {
11539 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11540 result, resultDetails ? resultDetails : "(null)", whosays);
11543 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11545 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11547 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11548 /* If we are playing on ICS, the server decides when the
11549 game is over, but the engine can offer to draw, claim
11553 if (appData.zippyPlay && first.initDone) {
11554 if (result == GameIsDrawn) {
11555 /* In case draw still needs to be claimed */
11556 SendToICS(ics_prefix);
11557 SendToICS("draw\n");
11558 } else if (StrCaseStr(resultDetails, "resign")) {
11559 SendToICS(ics_prefix);
11560 SendToICS("resign\n");
11564 endingGame = 0; /* [HGM] crash */
11568 /* If we're loading the game from a file, stop */
11569 if (whosays == GE_FILE) {
11570 (void) StopLoadGameTimer();
11574 /* Cancel draw offers */
11575 first.offeredDraw = second.offeredDraw = 0;
11577 /* If this is an ICS game, only ICS can really say it's done;
11578 if not, anyone can. */
11579 isIcsGame = (gameMode == IcsPlayingWhite ||
11580 gameMode == IcsPlayingBlack ||
11581 gameMode == IcsObserving ||
11582 gameMode == IcsExamining);
11584 if (!isIcsGame || whosays == GE_ICS) {
11585 /* OK -- not an ICS game, or ICS said it was done */
11587 if (!isIcsGame && !appData.noChessProgram)
11588 SetUserThinkingEnables();
11590 /* [HGM] if a machine claims the game end we verify this claim */
11591 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11592 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11594 ChessMove trueResult = (ChessMove) -1;
11596 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11597 first.twoMachinesColor[0] :
11598 second.twoMachinesColor[0] ;
11600 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11601 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11602 /* [HGM] verify: engine mate claims accepted if they were flagged */
11603 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11605 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11606 /* [HGM] verify: engine mate claims accepted if they were flagged */
11607 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11609 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11610 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11613 // now verify win claims, but not in drop games, as we don't understand those yet
11614 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11615 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11616 (result == WhiteWins && claimer == 'w' ||
11617 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11618 if (appData.debugMode) {
11619 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11620 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11622 if(result != trueResult) {
11623 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11624 result = claimer == 'w' ? BlackWins : WhiteWins;
11625 resultDetails = buf;
11628 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11629 && (forwardMostMove <= backwardMostMove ||
11630 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11631 (claimer=='b')==(forwardMostMove&1))
11633 /* [HGM] verify: draws that were not flagged are false claims */
11634 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11635 result = claimer == 'w' ? BlackWins : WhiteWins;
11636 resultDetails = buf;
11638 /* (Claiming a loss is accepted no questions asked!) */
11639 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11640 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11641 result = GameUnfinished;
11642 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11644 /* [HGM] bare: don't allow bare King to win */
11645 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11646 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11647 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11648 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11649 && result != GameIsDrawn)
11650 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11651 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11652 int p = (signed char)boards[forwardMostMove][i][j] - color;
11653 if(p >= 0 && p <= (int)WhiteKing) k++;
11654 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11656 if (appData.debugMode) {
11657 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11658 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11660 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11661 result = GameIsDrawn;
11662 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11663 resultDetails = buf;
11669 if(serverMoves != NULL && !loadFlag) { char c = '=';
11670 if(result==WhiteWins) c = '+';
11671 if(result==BlackWins) c = '-';
11672 if(resultDetails != NULL)
11673 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11675 if (resultDetails != NULL) {
11676 gameInfo.result = result;
11677 gameInfo.resultDetails = StrSave(resultDetails);
11679 /* display last move only if game was not loaded from file */
11680 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11681 DisplayMove(currentMove - 1);
11683 if (forwardMostMove != 0) {
11684 if (gameMode != PlayFromGameFile && gameMode != EditGame
11685 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11687 if (*appData.saveGameFile != NULLCHAR) {
11688 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11689 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11691 SaveGameToFile(appData.saveGameFile, TRUE);
11692 } else if (appData.autoSaveGames) {
11693 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11695 if (*appData.savePositionFile != NULLCHAR) {
11696 SavePositionToFile(appData.savePositionFile);
11698 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11702 /* Tell program how game ended in case it is learning */
11703 /* [HGM] Moved this to after saving the PGN, just in case */
11704 /* engine died and we got here through time loss. In that */
11705 /* case we will get a fatal error writing the pipe, which */
11706 /* would otherwise lose us the PGN. */
11707 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11708 /* output during GameEnds should never be fatal anymore */
11709 if (gameMode == MachinePlaysWhite ||
11710 gameMode == MachinePlaysBlack ||
11711 gameMode == TwoMachinesPlay ||
11712 gameMode == IcsPlayingWhite ||
11713 gameMode == IcsPlayingBlack ||
11714 gameMode == BeginningOfGame) {
11716 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11718 if (first.pr != NoProc) {
11719 SendToProgram(buf, &first);
11721 if (second.pr != NoProc &&
11722 gameMode == TwoMachinesPlay) {
11723 SendToProgram(buf, &second);
11728 if (appData.icsActive) {
11729 if (appData.quietPlay &&
11730 (gameMode == IcsPlayingWhite ||
11731 gameMode == IcsPlayingBlack)) {
11732 SendToICS(ics_prefix);
11733 SendToICS("set shout 1\n");
11735 nextGameMode = IcsIdle;
11736 ics_user_moved = FALSE;
11737 /* clean up premove. It's ugly when the game has ended and the
11738 * premove highlights are still on the board.
11741 gotPremove = FALSE;
11742 ClearPremoveHighlights();
11743 DrawPosition(FALSE, boards[currentMove]);
11745 if (whosays == GE_ICS) {
11748 if (gameMode == IcsPlayingWhite)
11750 else if(gameMode == IcsPlayingBlack)
11751 PlayIcsLossSound();
11754 if (gameMode == IcsPlayingBlack)
11756 else if(gameMode == IcsPlayingWhite)
11757 PlayIcsLossSound();
11760 PlayIcsDrawSound();
11763 PlayIcsUnfinishedSound();
11766 if(appData.quitNext) { ExitEvent(0); return; }
11767 } else if (gameMode == EditGame ||
11768 gameMode == PlayFromGameFile ||
11769 gameMode == AnalyzeMode ||
11770 gameMode == AnalyzeFile) {
11771 nextGameMode = gameMode;
11773 nextGameMode = EndOfGame;
11778 nextGameMode = gameMode;
11781 if (appData.noChessProgram) {
11782 gameMode = nextGameMode;
11784 endingGame = 0; /* [HGM] crash */
11789 /* Put first chess program into idle state */
11790 if (first.pr != NoProc &&
11791 (gameMode == MachinePlaysWhite ||
11792 gameMode == MachinePlaysBlack ||
11793 gameMode == TwoMachinesPlay ||
11794 gameMode == IcsPlayingWhite ||
11795 gameMode == IcsPlayingBlack ||
11796 gameMode == BeginningOfGame)) {
11797 SendToProgram("force\n", &first);
11798 if (first.usePing) {
11800 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11801 SendToProgram(buf, &first);
11804 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11805 /* Kill off first chess program */
11806 if (first.isr != NULL)
11807 RemoveInputSource(first.isr);
11810 if (first.pr != NoProc) {
11812 DoSleep( appData.delayBeforeQuit );
11813 SendToProgram("quit\n", &first);
11814 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11815 first.reload = TRUE;
11819 if (second.reuse) {
11820 /* Put second chess program into idle state */
11821 if (second.pr != NoProc &&
11822 gameMode == TwoMachinesPlay) {
11823 SendToProgram("force\n", &second);
11824 if (second.usePing) {
11826 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11827 SendToProgram(buf, &second);
11830 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11831 /* Kill off second chess program */
11832 if (second.isr != NULL)
11833 RemoveInputSource(second.isr);
11836 if (second.pr != NoProc) {
11837 DoSleep( appData.delayBeforeQuit );
11838 SendToProgram("quit\n", &second);
11839 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11840 second.reload = TRUE;
11842 second.pr = NoProc;
11845 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11846 char resChar = '=';
11850 if (first.twoMachinesColor[0] == 'w') {
11853 second.matchWins++;
11858 if (first.twoMachinesColor[0] == 'b') {
11861 second.matchWins++;
11864 case GameUnfinished:
11870 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11871 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11872 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11873 ReserveGame(nextGame, resChar); // sets nextGame
11874 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11875 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11876 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11878 if (nextGame <= appData.matchGames && !abortMatch) {
11879 gameMode = nextGameMode;
11880 matchGame = nextGame; // this will be overruled in tourney mode!
11881 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11882 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11883 endingGame = 0; /* [HGM] crash */
11886 gameMode = nextGameMode;
11888 snprintf(buf, MSG_SIZ, "-------------------------------------- ");
11889 OutputKibitz(2, buf);
11890 snprintf(buf, MSG_SIZ, _("Average solving time %4.2f sec (total time %4.2f sec) "), totalTime/(100.*first.matchWins), totalTime/100.);
11891 OutputKibitz(2, buf);
11892 snprintf(buf, MSG_SIZ, _("%d avoid-moves played "), second.matchWins);
11893 if(second.matchWins) OutputKibitz(2, buf);
11894 snprintf(buf, MSG_SIZ, _("Solved %d out of %d (%3.1f%%) "), first.matchWins, nextGame-1, first.matchWins*100./(nextGame-1));
11895 OutputKibitz(2, buf);
11897 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11898 first.tidy, second.tidy,
11899 first.matchWins, second.matchWins,
11900 appData.matchGames - (first.matchWins + second.matchWins));
11901 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11902 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11903 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11904 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11905 first.twoMachinesColor = "black\n";
11906 second.twoMachinesColor = "white\n";
11908 first.twoMachinesColor = "white\n";
11909 second.twoMachinesColor = "black\n";
11913 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11914 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11916 gameMode = nextGameMode;
11918 endingGame = 0; /* [HGM] crash */
11919 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11920 if(matchMode == TRUE) { // match through command line: exit with or without popup
11922 ToNrEvent(forwardMostMove);
11923 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11925 } else DisplayFatalError(buf, 0, 0);
11926 } else { // match through menu; just stop, with or without popup
11927 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11930 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11931 } else DisplayNote(buf);
11933 if(ranking) free(ranking);
11937 /* Assumes program was just initialized (initString sent).
11938 Leaves program in force mode. */
11940 FeedMovesToProgram (ChessProgramState *cps, int upto)
11944 if (appData.debugMode)
11945 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11946 startedFromSetupPosition ? "position and " : "",
11947 backwardMostMove, upto, cps->which);
11948 if(currentlyInitializedVariant != gameInfo.variant) {
11950 // [HGM] variantswitch: make engine aware of new variant
11951 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11952 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11953 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11954 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11955 SendToProgram(buf, cps);
11956 currentlyInitializedVariant = gameInfo.variant;
11958 SendToProgram("force\n", cps);
11959 if (startedFromSetupPosition) {
11960 SendBoard(cps, backwardMostMove);
11961 if (appData.debugMode) {
11962 fprintf(debugFP, "feedMoves\n");
11965 for (i = backwardMostMove; i < upto; i++) {
11966 SendMoveToProgram(i, cps);
11972 ResurrectChessProgram ()
11974 /* The chess program may have exited.
11975 If so, restart it and feed it all the moves made so far. */
11976 static int doInit = 0;
11978 if (appData.noChessProgram) return 1;
11980 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11981 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11982 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11983 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11985 if (first.pr != NoProc) return 1;
11986 StartChessProgram(&first);
11988 InitChessProgram(&first, FALSE);
11989 FeedMovesToProgram(&first, currentMove);
11991 if (!first.sendTime) {
11992 /* can't tell gnuchess what its clock should read,
11993 so we bow to its notion. */
11995 timeRemaining[0][currentMove] = whiteTimeRemaining;
11996 timeRemaining[1][currentMove] = blackTimeRemaining;
11999 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
12000 appData.icsEngineAnalyze) && first.analysisSupport) {
12001 SendToProgram("analyze\n", &first);
12002 first.analyzing = TRUE;
12008 * Button procedures
12011 Reset (int redraw, int init)
12015 if (appData.debugMode) {
12016 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
12017 redraw, init, gameMode);
12019 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
12020 deadRanks = 0; // assume entire board is used
12021 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
12022 CleanupTail(); // [HGM] vari: delete any stored variations
12023 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
12024 pausing = pauseExamInvalid = FALSE;
12025 startedFromSetupPosition = blackPlaysFirst = FALSE;
12027 whiteFlag = blackFlag = FALSE;
12028 userOfferedDraw = FALSE;
12029 hintRequested = bookRequested = FALSE;
12030 first.maybeThinking = FALSE;
12031 second.maybeThinking = FALSE;
12032 first.bookSuspend = FALSE; // [HGM] book
12033 second.bookSuspend = FALSE;
12034 thinkOutput[0] = NULLCHAR;
12035 lastHint[0] = NULLCHAR;
12036 ClearGameInfo(&gameInfo);
12037 gameInfo.variant = StringToVariant(appData.variant);
12038 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) {
12039 gameInfo.variant = VariantUnknown;
12040 strncpy(engineVariant, appData.variant, MSG_SIZ);
12042 ics_user_moved = ics_clock_paused = FALSE;
12043 ics_getting_history = H_FALSE;
12045 white_holding[0] = black_holding[0] = NULLCHAR;
12046 ClearProgramStats();
12047 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
12051 flipView = appData.flipView;
12052 ClearPremoveHighlights();
12053 gotPremove = FALSE;
12054 alarmSounded = FALSE;
12055 killX = killY = kill2X = kill2Y = -1; // [HGM] lion
12057 GameEnds(EndOfFile, NULL, GE_PLAYER);
12058 if(appData.serverMovesName != NULL) {
12059 /* [HGM] prepare to make moves file for broadcasting */
12060 clock_t t = clock();
12061 if(serverMoves != NULL) fclose(serverMoves);
12062 serverMoves = fopen(appData.serverMovesName, "r");
12063 if(serverMoves != NULL) {
12064 fclose(serverMoves);
12065 /* delay 15 sec before overwriting, so all clients can see end */
12066 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
12068 serverMoves = fopen(appData.serverMovesName, "w");
12072 gameMode = BeginningOfGame;
12074 if(appData.icsActive) gameInfo.variant = VariantNormal;
12075 currentMove = forwardMostMove = backwardMostMove = 0;
12076 MarkTargetSquares(1);
12077 InitPosition(redraw);
12078 for (i = 0; i < MAX_MOVES; i++) {
12079 if (commentList[i] != NULL) {
12080 free(commentList[i]);
12081 commentList[i] = NULL;
12085 timeRemaining[0][0] = whiteTimeRemaining;
12086 timeRemaining[1][0] = blackTimeRemaining;
12088 if (first.pr == NoProc) {
12089 StartChessProgram(&first);
12092 InitChessProgram(&first, startedFromSetupPosition);
12095 DisplayMessage("", "");
12096 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12097 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
12098 ClearMap(); // [HGM] exclude: invalidate map
12102 AutoPlayGameLoop ()
12105 if (!AutoPlayOneMove())
12107 if (matchMode || appData.timeDelay == 0)
12109 if (appData.timeDelay < 0)
12111 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
12119 ReloadGame(1); // next game
12125 int fromX, fromY, toX, toY;
12127 if (appData.debugMode) {
12128 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
12131 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
12134 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
12135 pvInfoList[currentMove].depth = programStats.depth;
12136 pvInfoList[currentMove].score = programStats.score;
12137 pvInfoList[currentMove].time = 0;
12138 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
12139 else { // append analysis of final position as comment
12141 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
12142 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
12144 programStats.depth = 0;
12147 if (currentMove >= forwardMostMove) {
12148 if(gameMode == AnalyzeFile) {
12149 if(appData.loadGameIndex == -1) {
12150 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
12151 ScheduleDelayedEvent(AnalyzeNextGame, 10);
12153 ExitAnalyzeMode(); SendToProgram("force\n", &first);
12156 // gameMode = EndOfGame;
12157 // ModeHighlight();
12159 /* [AS] Clear current move marker at the end of a game */
12160 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
12165 toX = moveList[currentMove][2] - AAA;
12166 toY = moveList[currentMove][3] - ONE;
12168 if (moveList[currentMove][1] == '@') {
12169 if (appData.highlightLastMove) {
12170 SetHighlights(-1, -1, toX, toY);
12173 fromX = moveList[currentMove][0] - AAA;
12174 fromY = moveList[currentMove][1] - ONE;
12176 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
12178 if(moveList[currentMove][4] == ';') { // multi-leg
12179 killX = moveList[currentMove][5] - AAA;
12180 killY = moveList[currentMove][6] - ONE;
12182 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12183 killX = killY = -1;
12185 if (appData.highlightLastMove) {
12186 SetHighlights(fromX, fromY, toX, toY);
12189 DisplayMove(currentMove);
12190 SendMoveToProgram(currentMove++, &first);
12191 DisplayBothClocks();
12192 DrawPosition(FALSE, boards[currentMove]);
12193 // [HGM] PV info: always display, routine tests if empty
12194 DisplayComment(currentMove - 1, commentList[currentMove]);
12200 LoadGameOneMove (ChessMove readAhead)
12202 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12203 char promoChar = NULLCHAR;
12204 ChessMove moveType;
12205 char move[MSG_SIZ];
12208 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12209 gameMode != AnalyzeMode && gameMode != Training) {
12214 yyboardindex = forwardMostMove;
12215 if (readAhead != EndOfFile) {
12216 moveType = readAhead;
12218 if (gameFileFP == NULL)
12220 moveType = (ChessMove) Myylex();
12224 switch (moveType) {
12226 if (appData.debugMode)
12227 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12230 /* append the comment but don't display it */
12231 AppendComment(currentMove, p, FALSE);
12234 case WhiteCapturesEnPassant:
12235 case BlackCapturesEnPassant:
12236 case WhitePromotion:
12237 case BlackPromotion:
12238 case WhiteNonPromotion:
12239 case BlackNonPromotion:
12242 case WhiteKingSideCastle:
12243 case WhiteQueenSideCastle:
12244 case BlackKingSideCastle:
12245 case BlackQueenSideCastle:
12246 case WhiteKingSideCastleWild:
12247 case WhiteQueenSideCastleWild:
12248 case BlackKingSideCastleWild:
12249 case BlackQueenSideCastleWild:
12251 case WhiteHSideCastleFR:
12252 case WhiteASideCastleFR:
12253 case BlackHSideCastleFR:
12254 case BlackASideCastleFR:
12256 if (appData.debugMode)
12257 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12258 fromX = currentMoveString[0] - AAA;
12259 fromY = currentMoveString[1] - ONE;
12260 toX = currentMoveString[2] - AAA;
12261 toY = currentMoveString[3] - ONE;
12262 promoChar = currentMoveString[4];
12263 if(promoChar == ';') promoChar = currentMoveString[7];
12268 if (appData.debugMode)
12269 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12270 fromX = moveType == WhiteDrop ?
12271 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12272 (int) CharToPiece(ToLower(currentMoveString[0]));
12274 toX = currentMoveString[2] - AAA;
12275 toY = currentMoveString[3] - ONE;
12281 case GameUnfinished:
12282 if (appData.debugMode)
12283 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12284 p = strchr(yy_text, '{');
12285 if (p == NULL) p = strchr(yy_text, '(');
12288 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12290 q = strchr(p, *p == '{' ? '}' : ')');
12291 if (q != NULL) *q = NULLCHAR;
12294 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12295 GameEnds(moveType, p, GE_FILE);
12297 if (cmailMsgLoaded) {
12299 flipView = WhiteOnMove(currentMove);
12300 if (moveType == GameUnfinished) flipView = !flipView;
12301 if (appData.debugMode)
12302 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12307 if (appData.debugMode)
12308 fprintf(debugFP, "Parser hit end of file\n");
12309 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12315 if (WhiteOnMove(currentMove)) {
12316 GameEnds(BlackWins, "Black mates", GE_FILE);
12318 GameEnds(WhiteWins, "White mates", GE_FILE);
12322 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12328 case MoveNumberOne:
12329 if (lastLoadGameStart == GNUChessGame) {
12330 /* GNUChessGames have numbers, but they aren't move numbers */
12331 if (appData.debugMode)
12332 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12333 yy_text, (int) moveType);
12334 return LoadGameOneMove(EndOfFile); /* tail recursion */
12336 /* else fall thru */
12341 /* Reached start of next game in file */
12342 if (appData.debugMode)
12343 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12344 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12350 if (WhiteOnMove(currentMove)) {
12351 GameEnds(BlackWins, "Black mates", GE_FILE);
12353 GameEnds(WhiteWins, "White mates", GE_FILE);
12357 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12363 case PositionDiagram: /* should not happen; ignore */
12364 case ElapsedTime: /* ignore */
12365 case NAG: /* ignore */
12366 if (appData.debugMode)
12367 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12368 yy_text, (int) moveType);
12369 return LoadGameOneMove(EndOfFile); /* tail recursion */
12372 if (appData.testLegality) {
12373 if (appData.debugMode)
12374 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12375 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12376 (forwardMostMove / 2) + 1,
12377 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12378 DisplayError(move, 0);
12381 if (appData.debugMode)
12382 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12383 yy_text, currentMoveString);
12384 if(currentMoveString[1] == '@') {
12385 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12388 fromX = currentMoveString[0] - AAA;
12389 fromY = currentMoveString[1] - ONE;
12391 toX = currentMoveString[2] - AAA;
12392 toY = currentMoveString[3] - ONE;
12393 promoChar = currentMoveString[4];
12397 case AmbiguousMove:
12398 if (appData.debugMode)
12399 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12400 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12401 (forwardMostMove / 2) + 1,
12402 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12403 DisplayError(move, 0);
12408 case ImpossibleMove:
12409 if (appData.debugMode)
12410 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12411 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12412 (forwardMostMove / 2) + 1,
12413 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12414 DisplayError(move, 0);
12420 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12421 DrawPosition(FALSE, boards[currentMove]);
12422 DisplayBothClocks();
12423 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12424 DisplayComment(currentMove - 1, commentList[currentMove]);
12426 (void) StopLoadGameTimer();
12428 cmailOldMove = forwardMostMove;
12431 /* currentMoveString is set as a side-effect of yylex */
12433 thinkOutput[0] = NULLCHAR;
12434 MakeMove(fromX, fromY, toX, toY, promoChar);
12435 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
12436 currentMove = forwardMostMove;
12441 /* Load the nth game from the given file */
12443 LoadGameFromFile (char *filename, int n, char *title, int useList)
12448 if (strcmp(filename, "-") == 0) {
12452 f = fopen(filename, "rb");
12454 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12455 DisplayError(buf, errno);
12459 if (fseek(f, 0, 0) == -1) {
12460 /* f is not seekable; probably a pipe */
12463 if (useList && n == 0) {
12464 int error = GameListBuild(f);
12466 DisplayError(_("Cannot build game list"), error);
12467 } else if (!ListEmpty(&gameList) &&
12468 ((ListGame *) gameList.tailPred)->number > 1) {
12469 GameListPopUp(f, title);
12476 return LoadGame(f, n, title, FALSE);
12481 MakeRegisteredMove ()
12483 int fromX, fromY, toX, toY;
12485 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12486 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12489 if (appData.debugMode)
12490 fprintf(debugFP, "Restoring %s for game %d\n",
12491 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12493 thinkOutput[0] = NULLCHAR;
12494 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12495 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12496 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12497 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12498 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12499 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12500 MakeMove(fromX, fromY, toX, toY, promoChar);
12501 ShowMove(fromX, fromY, toX, toY);
12503 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12510 if (WhiteOnMove(currentMove)) {
12511 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12513 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12518 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12525 if (WhiteOnMove(currentMove)) {
12526 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12528 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12533 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12544 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12546 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12550 if (gameNumber > nCmailGames) {
12551 DisplayError(_("No more games in this message"), 0);
12554 if (f == lastLoadGameFP) {
12555 int offset = gameNumber - lastLoadGameNumber;
12557 cmailMsg[0] = NULLCHAR;
12558 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12559 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12560 nCmailMovesRegistered--;
12562 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12563 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12564 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12567 if (! RegisterMove()) return FALSE;
12571 retVal = LoadGame(f, gameNumber, title, useList);
12573 /* Make move registered during previous look at this game, if any */
12574 MakeRegisteredMove();
12576 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12577 commentList[currentMove]
12578 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12579 DisplayComment(currentMove - 1, commentList[currentMove]);
12585 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12587 ReloadGame (int offset)
12589 int gameNumber = lastLoadGameNumber + offset;
12590 if (lastLoadGameFP == NULL) {
12591 DisplayError(_("No game has been loaded yet"), 0);
12594 if (gameNumber <= 0) {
12595 DisplayError(_("Can't back up any further"), 0);
12598 if (cmailMsgLoaded) {
12599 return CmailLoadGame(lastLoadGameFP, gameNumber,
12600 lastLoadGameTitle, lastLoadGameUseList);
12602 return LoadGame(lastLoadGameFP, gameNumber,
12603 lastLoadGameTitle, lastLoadGameUseList);
12607 int keys[EmptySquare+1];
12610 PositionMatches (Board b1, Board b2)
12613 switch(appData.searchMode) {
12614 case 1: return CompareWithRights(b1, b2);
12616 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12617 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12621 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12622 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12623 sum += keys[b1[r][f]] - keys[b2[r][f]];
12627 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12628 sum += keys[b1[r][f]] - keys[b2[r][f]];
12640 int pieceList[256], quickBoard[256];
12641 ChessSquare pieceType[256] = { EmptySquare };
12642 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12643 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12644 int soughtTotal, turn;
12645 Boolean epOK, flipSearch;
12648 unsigned char piece, to;
12651 #define DSIZE (250000)
12653 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12654 Move *moveDatabase = initialSpace;
12655 unsigned int movePtr, dataSize = DSIZE;
12658 MakePieceList (Board board, int *counts)
12660 int r, f, n=Q_PROMO, total=0;
12661 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12662 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12663 int sq = f + (r<<4);
12664 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12665 quickBoard[sq] = ++n;
12667 pieceType[n] = board[r][f];
12668 counts[board[r][f]]++;
12669 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12670 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12674 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12679 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12681 int sq = fromX + (fromY<<4);
12682 int piece = quickBoard[sq], rook;
12683 quickBoard[sq] = 0;
12684 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12685 if(piece == pieceList[1] && fromY == toY) {
12686 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12687 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12688 moveDatabase[movePtr++].piece = Q_WCASTL;
12689 quickBoard[sq] = piece;
12690 piece = quickBoard[from]; quickBoard[from] = 0;
12691 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12692 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12693 quickBoard[sq] = 0; // remove Rook
12694 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12695 moveDatabase[movePtr++].piece = Q_WCASTL;
12696 quickBoard[sq] = pieceList[1]; // put King
12698 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12701 if(piece == pieceList[2] && fromY == toY) {
12702 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12703 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12704 moveDatabase[movePtr++].piece = Q_BCASTL;
12705 quickBoard[sq] = piece;
12706 piece = quickBoard[from]; quickBoard[from] = 0;
12707 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12708 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12709 quickBoard[sq] = 0; // remove Rook
12710 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12711 moveDatabase[movePtr++].piece = Q_BCASTL;
12712 quickBoard[sq] = pieceList[2]; // put King
12714 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12717 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12718 quickBoard[(fromY<<4)+toX] = 0;
12719 moveDatabase[movePtr].piece = Q_EP;
12720 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12721 moveDatabase[movePtr].to = sq;
12723 if(promoPiece != pieceType[piece]) {
12724 moveDatabase[movePtr++].piece = Q_PROMO;
12725 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12727 moveDatabase[movePtr].piece = piece;
12728 quickBoard[sq] = piece;
12733 PackGame (Board board)
12735 Move *newSpace = NULL;
12736 moveDatabase[movePtr].piece = 0; // terminate previous game
12737 if(movePtr > dataSize) {
12738 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12739 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12740 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12743 Move *p = moveDatabase, *q = newSpace;
12744 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12745 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12746 moveDatabase = newSpace;
12747 } else { // calloc failed, we must be out of memory. Too bad...
12748 dataSize = 0; // prevent calloc events for all subsequent games
12749 return 0; // and signal this one isn't cached
12753 MakePieceList(board, counts);
12758 QuickCompare (Board board, int *minCounts, int *maxCounts)
12759 { // compare according to search mode
12761 switch(appData.searchMode)
12763 case 1: // exact position match
12764 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12765 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12766 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12769 case 2: // can have extra material on empty squares
12770 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12771 if(board[r][f] == EmptySquare) continue;
12772 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12775 case 3: // material with exact Pawn structure
12776 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12777 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12778 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12779 } // fall through to material comparison
12780 case 4: // exact material
12781 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12783 case 6: // material range with given imbalance
12784 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12785 // fall through to range comparison
12786 case 5: // material range
12787 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12793 QuickScan (Board board, Move *move)
12794 { // reconstruct game,and compare all positions in it
12795 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12797 int piece = move->piece;
12798 int to = move->to, from = pieceList[piece];
12799 if(found < 0) { // if already found just scan to game end for final piece count
12800 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12801 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12802 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12803 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12805 static int lastCounts[EmptySquare+1];
12807 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12808 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12809 } else stretch = 0;
12810 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12811 if(found >= 0 && !appData.minPieces) return found;
12813 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12814 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12815 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12816 piece = (++move)->piece;
12817 from = pieceList[piece];
12818 counts[pieceType[piece]]--;
12819 pieceType[piece] = (ChessSquare) move->to;
12820 counts[move->to]++;
12821 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12822 counts[pieceType[quickBoard[to]]]--;
12823 quickBoard[to] = 0; total--;
12826 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12827 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12828 from = pieceList[piece]; // so this must be King
12829 quickBoard[from] = 0;
12830 pieceList[piece] = to;
12831 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12832 quickBoard[from] = 0; // rook
12833 quickBoard[to] = piece;
12834 to = move->to; piece = move->piece;
12838 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12839 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12840 quickBoard[from] = 0;
12842 quickBoard[to] = piece;
12843 pieceList[piece] = to;
12853 flipSearch = FALSE;
12854 CopyBoard(soughtBoard, boards[currentMove]);
12855 soughtTotal = MakePieceList(soughtBoard, maxSought);
12856 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12857 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12858 CopyBoard(reverseBoard, boards[currentMove]);
12859 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12860 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12861 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12862 reverseBoard[r][f] = piece;
12864 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12865 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12866 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12867 || (boards[currentMove][CASTLING][2] == NoRights ||
12868 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12869 && (boards[currentMove][CASTLING][5] == NoRights ||
12870 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12873 CopyBoard(flipBoard, soughtBoard);
12874 CopyBoard(rotateBoard, reverseBoard);
12875 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12876 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12877 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12880 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12881 if(appData.searchMode >= 5) {
12882 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12883 MakePieceList(soughtBoard, minSought);
12884 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12886 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12887 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12890 GameInfo dummyInfo;
12891 static int creatingBook;
12894 GameContainsPosition (FILE *f, ListGame *lg)
12896 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12897 int fromX, fromY, toX, toY;
12899 static int initDone=FALSE;
12901 // weed out games based on numerical tag comparison
12902 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12903 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12904 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12905 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12907 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12910 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12911 else CopyBoard(boards[scratch], initialPosition); // default start position
12914 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12915 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12918 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12919 fseek(f, lg->offset, 0);
12922 yyboardindex = scratch;
12923 quickFlag = plyNr+1;
12928 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12934 if(plyNr) return -1; // after we have seen moves, this is for new game
12937 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12938 case ImpossibleMove:
12939 case WhiteWins: // game ends here with these four
12942 case GameUnfinished:
12946 if(appData.testLegality) return -1;
12947 case WhiteCapturesEnPassant:
12948 case BlackCapturesEnPassant:
12949 case WhitePromotion:
12950 case BlackPromotion:
12951 case WhiteNonPromotion:
12952 case BlackNonPromotion:
12955 case WhiteKingSideCastle:
12956 case WhiteQueenSideCastle:
12957 case BlackKingSideCastle:
12958 case BlackQueenSideCastle:
12959 case WhiteKingSideCastleWild:
12960 case WhiteQueenSideCastleWild:
12961 case BlackKingSideCastleWild:
12962 case BlackQueenSideCastleWild:
12963 case WhiteHSideCastleFR:
12964 case WhiteASideCastleFR:
12965 case BlackHSideCastleFR:
12966 case BlackASideCastleFR:
12967 fromX = currentMoveString[0] - AAA;
12968 fromY = currentMoveString[1] - ONE;
12969 toX = currentMoveString[2] - AAA;
12970 toY = currentMoveString[3] - ONE;
12971 promoChar = currentMoveString[4];
12975 fromX = next == WhiteDrop ?
12976 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12977 (int) CharToPiece(ToLower(currentMoveString[0]));
12979 toX = currentMoveString[2] - AAA;
12980 toY = currentMoveString[3] - ONE;
12984 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12986 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12987 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12988 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12989 if(appData.findMirror) {
12990 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12991 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12996 /* Load the nth game from open file f */
12998 LoadGame (FILE *f, int gameNumber, char *title, int useList)
13002 int gn = gameNumber;
13003 ListGame *lg = NULL;
13004 int numPGNTags = 0, i;
13006 GameMode oldGameMode;
13007 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
13008 char oldName[MSG_SIZ];
13010 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
13012 if (appData.debugMode)
13013 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
13015 if (gameMode == Training )
13016 SetTrainingModeOff();
13018 oldGameMode = gameMode;
13019 if (gameMode != BeginningOfGame) {
13020 Reset(FALSE, TRUE);
13022 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: in case we did not Reset
13025 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
13026 fclose(lastLoadGameFP);
13030 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
13033 fseek(f, lg->offset, 0);
13034 GameListHighlight(gameNumber);
13035 pos = lg->position;
13039 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
13040 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
13042 DisplayError(_("Game number out of range"), 0);
13047 if (fseek(f, 0, 0) == -1) {
13048 if (f == lastLoadGameFP ?
13049 gameNumber == lastLoadGameNumber + 1 :
13053 DisplayError(_("Can't seek on game file"), 0);
13058 lastLoadGameFP = f;
13059 lastLoadGameNumber = gameNumber;
13060 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
13061 lastLoadGameUseList = useList;
13065 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
13066 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
13067 lg->gameInfo.black);
13069 } else if (*title != NULLCHAR) {
13070 if (gameNumber > 1) {
13071 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
13074 DisplayTitle(title);
13078 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
13079 gameMode = PlayFromGameFile;
13083 currentMove = forwardMostMove = backwardMostMove = 0;
13084 CopyBoard(boards[0], initialPosition);
13088 * Skip the first gn-1 games in the file.
13089 * Also skip over anything that precedes an identifiable
13090 * start of game marker, to avoid being confused by
13091 * garbage at the start of the file. Currently
13092 * recognized start of game markers are the move number "1",
13093 * the pattern "gnuchess .* game", the pattern
13094 * "^[#;%] [^ ]* game file", and a PGN tag block.
13095 * A game that starts with one of the latter two patterns
13096 * will also have a move number 1, possibly
13097 * following a position diagram.
13098 * 5-4-02: Let's try being more lenient and allowing a game to
13099 * start with an unnumbered move. Does that break anything?
13101 cm = lastLoadGameStart = EndOfFile;
13103 yyboardindex = forwardMostMove;
13104 cm = (ChessMove) Myylex();
13107 if (cmailMsgLoaded) {
13108 nCmailGames = CMAIL_MAX_GAMES - gn;
13111 DisplayError(_("Game not found in file"), 0);
13118 lastLoadGameStart = cm;
13121 case MoveNumberOne:
13122 switch (lastLoadGameStart) {
13127 case MoveNumberOne:
13129 gn--; /* count this game */
13130 lastLoadGameStart = cm;
13139 switch (lastLoadGameStart) {
13142 case MoveNumberOne:
13144 gn--; /* count this game */
13145 lastLoadGameStart = cm;
13148 lastLoadGameStart = cm; /* game counted already */
13156 yyboardindex = forwardMostMove;
13157 cm = (ChessMove) Myylex();
13158 } while (cm == PGNTag || cm == Comment);
13165 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
13166 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
13167 != CMAIL_OLD_RESULT) {
13169 cmailResult[ CMAIL_MAX_GAMES
13170 - gn - 1] = CMAIL_OLD_RESULT;
13177 /* Only a NormalMove can be at the start of a game
13178 * without a position diagram. */
13179 if (lastLoadGameStart == EndOfFile ) {
13181 lastLoadGameStart = MoveNumberOne;
13190 if (appData.debugMode)
13191 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13193 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; } // reset VariantMen
13195 if (cm == XBoardGame) {
13196 /* Skip any header junk before position diagram and/or move 1 */
13198 yyboardindex = forwardMostMove;
13199 cm = (ChessMove) Myylex();
13201 if (cm == EndOfFile ||
13202 cm == GNUChessGame || cm == XBoardGame) {
13203 /* Empty game; pretend end-of-file and handle later */
13208 if (cm == MoveNumberOne || cm == PositionDiagram ||
13209 cm == PGNTag || cm == Comment)
13212 } else if (cm == GNUChessGame) {
13213 if (gameInfo.event != NULL) {
13214 free(gameInfo.event);
13216 gameInfo.event = StrSave(yy_text);
13219 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13220 while (cm == PGNTag) {
13221 if (appData.debugMode)
13222 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13223 err = ParsePGNTag(yy_text, &gameInfo);
13224 if (!err) numPGNTags++;
13226 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13227 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13228 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13229 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13230 InitPosition(TRUE);
13231 oldVariant = gameInfo.variant;
13232 if (appData.debugMode)
13233 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13237 if (gameInfo.fen != NULL) {
13238 Board initial_position;
13239 startedFromSetupPosition = TRUE;
13240 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13242 DisplayError(_("Bad FEN position in file"), 0);
13245 CopyBoard(boards[0], initial_position);
13246 if(*engineVariant || gameInfo.variant == VariantFairy) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13247 CopyBoard(initialPosition, initial_position);
13248 if (blackPlaysFirst) {
13249 currentMove = forwardMostMove = backwardMostMove = 1;
13250 CopyBoard(boards[1], initial_position);
13251 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13252 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13253 timeRemaining[0][1] = whiteTimeRemaining;
13254 timeRemaining[1][1] = blackTimeRemaining;
13255 if (commentList[0] != NULL) {
13256 commentList[1] = commentList[0];
13257 commentList[0] = NULL;
13260 currentMove = forwardMostMove = backwardMostMove = 0;
13262 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13264 initialRulePlies = FENrulePlies;
13265 for( i=0; i< nrCastlingRights; i++ )
13266 initialRights[i] = initial_position[CASTLING][i];
13268 yyboardindex = forwardMostMove;
13269 free(gameInfo.fen);
13270 gameInfo.fen = NULL;
13273 yyboardindex = forwardMostMove;
13274 cm = (ChessMove) Myylex();
13276 /* Handle comments interspersed among the tags */
13277 while (cm == Comment) {
13279 if (appData.debugMode)
13280 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13282 AppendComment(currentMove, p, FALSE);
13283 yyboardindex = forwardMostMove;
13284 cm = (ChessMove) Myylex();
13288 /* don't rely on existence of Event tag since if game was
13289 * pasted from clipboard the Event tag may not exist
13291 if (numPGNTags > 0){
13293 if (gameInfo.variant == VariantNormal) {
13294 VariantClass v = StringToVariant(gameInfo.event);
13295 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13296 if(v < VariantShogi) gameInfo.variant = v;
13299 if( appData.autoDisplayTags ) {
13300 tags = PGNTags(&gameInfo);
13301 TagsPopUp(tags, CmailMsg());
13306 /* Make something up, but don't display it now */
13311 if (cm == PositionDiagram) {
13314 Board initial_position;
13316 if (appData.debugMode)
13317 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13319 if (!startedFromSetupPosition) {
13321 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13322 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13333 initial_position[i][j++] = CharToPiece(*p);
13336 while (*p == ' ' || *p == '\t' ||
13337 *p == '\n' || *p == '\r') p++;
13339 if (strncmp(p, "black", strlen("black"))==0)
13340 blackPlaysFirst = TRUE;
13342 blackPlaysFirst = FALSE;
13343 startedFromSetupPosition = TRUE;
13345 CopyBoard(boards[0], initial_position);
13346 if (blackPlaysFirst) {
13347 currentMove = forwardMostMove = backwardMostMove = 1;
13348 CopyBoard(boards[1], initial_position);
13349 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13350 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13351 timeRemaining[0][1] = whiteTimeRemaining;
13352 timeRemaining[1][1] = blackTimeRemaining;
13353 if (commentList[0] != NULL) {
13354 commentList[1] = commentList[0];
13355 commentList[0] = NULL;
13358 currentMove = forwardMostMove = backwardMostMove = 0;
13361 yyboardindex = forwardMostMove;
13362 cm = (ChessMove) Myylex();
13365 if(!creatingBook) {
13366 if (first.pr == NoProc) {
13367 StartChessProgram(&first);
13369 InitChessProgram(&first, FALSE);
13370 if(gameInfo.variant == VariantUnknown && *oldName) {
13371 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13372 gameInfo.variant = v;
13374 SendToProgram("force\n", &first);
13375 if (startedFromSetupPosition) {
13376 SendBoard(&first, forwardMostMove);
13377 if (appData.debugMode) {
13378 fprintf(debugFP, "Load Game\n");
13380 DisplayBothClocks();
13384 /* [HGM] server: flag to write setup moves in broadcast file as one */
13385 loadFlag = appData.suppressLoadMoves;
13387 while (cm == Comment) {
13389 if (appData.debugMode)
13390 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13392 AppendComment(currentMove, p, FALSE);
13393 yyboardindex = forwardMostMove;
13394 cm = (ChessMove) Myylex();
13397 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13398 cm == WhiteWins || cm == BlackWins ||
13399 cm == GameIsDrawn || cm == GameUnfinished) {
13400 DisplayMessage("", _("No moves in game"));
13401 if (cmailMsgLoaded) {
13402 if (appData.debugMode)
13403 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13407 DrawPosition(FALSE, boards[currentMove]);
13408 DisplayBothClocks();
13409 gameMode = EditGame;
13416 // [HGM] PV info: routine tests if comment empty
13417 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13418 DisplayComment(currentMove - 1, commentList[currentMove]);
13420 if (!matchMode && appData.timeDelay != 0)
13421 DrawPosition(FALSE, boards[currentMove]);
13423 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13424 programStats.ok_to_send = 1;
13427 /* if the first token after the PGN tags is a move
13428 * and not move number 1, retrieve it from the parser
13430 if (cm != MoveNumberOne)
13431 LoadGameOneMove(cm);
13433 /* load the remaining moves from the file */
13434 while (LoadGameOneMove(EndOfFile)) {
13435 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13436 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13439 /* rewind to the start of the game */
13440 currentMove = backwardMostMove;
13442 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13444 if (oldGameMode == AnalyzeFile) {
13445 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13446 AnalyzeFileEvent();
13448 if (oldGameMode == AnalyzeMode) {
13449 AnalyzeFileEvent();
13452 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13453 long int w, b; // [HGM] adjourn: restore saved clock times
13454 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13455 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13456 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13457 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13461 if(creatingBook) return TRUE;
13462 if (!matchMode && pos > 0) {
13463 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13465 if (matchMode || appData.timeDelay == 0) {
13467 } else if (appData.timeDelay > 0) {
13468 AutoPlayGameLoop();
13471 if (appData.debugMode)
13472 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13474 loadFlag = 0; /* [HGM] true game starts */
13478 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13480 ReloadPosition (int offset)
13482 int positionNumber = lastLoadPositionNumber + offset;
13483 if (lastLoadPositionFP == NULL) {
13484 DisplayError(_("No position has been loaded yet"), 0);
13487 if (positionNumber <= 0) {
13488 DisplayError(_("Can't back up any further"), 0);
13491 return LoadPosition(lastLoadPositionFP, positionNumber,
13492 lastLoadPositionTitle);
13495 /* Load the nth position from the given file */
13497 LoadPositionFromFile (char *filename, int n, char *title)
13502 if (strcmp(filename, "-") == 0) {
13503 return LoadPosition(stdin, n, "stdin");
13505 f = fopen(filename, "rb");
13507 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13508 DisplayError(buf, errno);
13511 return LoadPosition(f, n, title);
13516 /* Load the nth position from the given open file, and close it */
13518 LoadPosition (FILE *f, int positionNumber, char *title)
13520 char *p, line[MSG_SIZ];
13521 Board initial_position;
13522 int i, j, fenMode, pn;
13524 if (gameMode == Training )
13525 SetTrainingModeOff();
13527 if (gameMode != BeginningOfGame) {
13528 Reset(FALSE, TRUE);
13530 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13531 fclose(lastLoadPositionFP);
13533 if (positionNumber == 0) positionNumber = 1;
13534 lastLoadPositionFP = f;
13535 lastLoadPositionNumber = positionNumber;
13536 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13537 if (first.pr == NoProc && !appData.noChessProgram) {
13538 StartChessProgram(&first);
13539 InitChessProgram(&first, FALSE);
13541 pn = positionNumber;
13542 if (positionNumber < 0) {
13543 /* Negative position number means to seek to that byte offset */
13544 if (fseek(f, -positionNumber, 0) == -1) {
13545 DisplayError(_("Can't seek on position file"), 0);
13550 if (fseek(f, 0, 0) == -1) {
13551 if (f == lastLoadPositionFP ?
13552 positionNumber == lastLoadPositionNumber + 1 :
13553 positionNumber == 1) {
13556 DisplayError(_("Can't seek on position file"), 0);
13561 /* See if this file is FEN or old-style xboard */
13562 if (fgets(line, MSG_SIZ, f) == NULL) {
13563 DisplayError(_("Position not found in file"), 0);
13566 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13567 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13570 if (fenMode || line[0] == '#') pn--;
13572 /* skip positions before number pn */
13573 if (fgets(line, MSG_SIZ, f) == NULL) {
13575 DisplayError(_("Position not found in file"), 0);
13578 if (fenMode || line[0] == '#') pn--;
13584 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13585 DisplayError(_("Bad FEN position in file"), 0);
13588 if((strchr(line, ';')) && (p = strstr(line, " bm "))) { // EPD with best move
13589 sscanf(p+4, "%[^;]", bestMove);
13590 } else *bestMove = NULLCHAR;
13591 if((strchr(line, ';')) && (p = strstr(line, " am "))) { // EPD with avoid move
13592 sscanf(p+4, "%[^;]", avoidMove);
13593 } else *avoidMove = NULLCHAR;
13595 (void) fgets(line, MSG_SIZ, f);
13596 (void) fgets(line, MSG_SIZ, f);
13598 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13599 (void) fgets(line, MSG_SIZ, f);
13600 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13603 initial_position[i][j++] = CharToPiece(*p);
13607 blackPlaysFirst = FALSE;
13609 (void) fgets(line, MSG_SIZ, f);
13610 if (strncmp(line, "black", strlen("black"))==0)
13611 blackPlaysFirst = TRUE;
13614 startedFromSetupPosition = TRUE;
13616 CopyBoard(boards[0], initial_position);
13617 if (blackPlaysFirst) {
13618 currentMove = forwardMostMove = backwardMostMove = 1;
13619 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13620 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13621 CopyBoard(boards[1], initial_position);
13622 DisplayMessage("", _("Black to play"));
13624 currentMove = forwardMostMove = backwardMostMove = 0;
13625 DisplayMessage("", _("White to play"));
13627 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13628 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13629 SendToProgram("force\n", &first);
13630 SendBoard(&first, forwardMostMove);
13632 if (appData.debugMode) {
13634 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13635 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13636 fprintf(debugFP, "Load Position\n");
13639 if (positionNumber > 1) {
13640 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13641 DisplayTitle(line);
13643 DisplayTitle(title);
13645 gameMode = EditGame;
13648 timeRemaining[0][1] = whiteTimeRemaining;
13649 timeRemaining[1][1] = blackTimeRemaining;
13650 DrawPosition(FALSE, boards[currentMove]);
13657 CopyPlayerNameIntoFileName (char **dest, char *src)
13659 while (*src != NULLCHAR && *src != ',') {
13664 *(*dest)++ = *src++;
13670 DefaultFileName (char *ext)
13672 static char def[MSG_SIZ];
13675 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13677 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13679 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13681 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13688 /* Save the current game to the given file */
13690 SaveGameToFile (char *filename, int append)
13694 int result, i, t,tot=0;
13696 if (strcmp(filename, "-") == 0) {
13697 return SaveGame(stdout, 0, NULL);
13699 for(i=0; i<10; i++) { // upto 10 tries
13700 f = fopen(filename, append ? "a" : "w");
13701 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13702 if(f || errno != 13) break;
13703 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13707 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13708 DisplayError(buf, errno);
13711 safeStrCpy(buf, lastMsg, MSG_SIZ);
13712 DisplayMessage(_("Waiting for access to save file"), "");
13713 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13714 DisplayMessage(_("Saving game"), "");
13715 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13716 result = SaveGame(f, 0, NULL);
13717 DisplayMessage(buf, "");
13724 SavePart (char *str)
13726 static char buf[MSG_SIZ];
13729 p = strchr(str, ' ');
13730 if (p == NULL) return str;
13731 strncpy(buf, str, p - str);
13732 buf[p - str] = NULLCHAR;
13736 #define PGN_MAX_LINE 75
13738 #define PGN_SIDE_WHITE 0
13739 #define PGN_SIDE_BLACK 1
13742 FindFirstMoveOutOfBook (int side)
13746 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13747 int index = backwardMostMove;
13748 int has_book_hit = 0;
13750 if( (index % 2) != side ) {
13754 while( index < forwardMostMove ) {
13755 /* Check to see if engine is in book */
13756 int depth = pvInfoList[index].depth;
13757 int score = pvInfoList[index].score;
13763 else if( score == 0 && depth == 63 ) {
13764 in_book = 1; /* Zappa */
13766 else if( score == 2 && depth == 99 ) {
13767 in_book = 1; /* Abrok */
13770 has_book_hit += in_book;
13786 GetOutOfBookInfo (char * buf)
13790 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13792 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13793 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13797 if( oob[0] >= 0 || oob[1] >= 0 ) {
13798 for( i=0; i<2; i++ ) {
13802 if( i > 0 && oob[0] >= 0 ) {
13803 strcat( buf, " " );
13806 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13807 sprintf( buf+strlen(buf), "%s%.2f",
13808 pvInfoList[idx].score >= 0 ? "+" : "",
13809 pvInfoList[idx].score / 100.0 );
13815 /* Save game in PGN style */
13817 SaveGamePGN2 (FILE *f)
13819 int i, offset, linelen, newblock;
13822 int movelen, numlen, blank;
13823 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13825 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13827 PrintPGNTags(f, &gameInfo);
13829 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13831 if (backwardMostMove > 0 || startedFromSetupPosition) {
13832 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13833 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13834 fprintf(f, "\n{--------------\n");
13835 PrintPosition(f, backwardMostMove);
13836 fprintf(f, "--------------}\n");
13840 /* [AS] Out of book annotation */
13841 if( appData.saveOutOfBookInfo ) {
13844 GetOutOfBookInfo( buf );
13846 if( buf[0] != '\0' ) {
13847 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13854 i = backwardMostMove;
13858 while (i < forwardMostMove) {
13859 /* Print comments preceding this move */
13860 if (commentList[i] != NULL) {
13861 if (linelen > 0) fprintf(f, "\n");
13862 fprintf(f, "%s", commentList[i]);
13867 /* Format move number */
13869 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13872 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13874 numtext[0] = NULLCHAR;
13876 numlen = strlen(numtext);
13879 /* Print move number */
13880 blank = linelen > 0 && numlen > 0;
13881 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13890 fprintf(f, "%s", numtext);
13894 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13895 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13898 blank = linelen > 0 && movelen > 0;
13899 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13908 fprintf(f, "%s", move_buffer);
13909 linelen += movelen;
13911 /* [AS] Add PV info if present */
13912 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13913 /* [HGM] add time */
13914 char buf[MSG_SIZ]; int seconds;
13916 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13922 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13925 seconds = (seconds + 4)/10; // round to full seconds
13927 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13929 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13932 if(appData.cumulativeTimePGN) {
13933 snprintf(buf, MSG_SIZ, " %+ld", timeRemaining[i & 1][i+1]/1000);
13936 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13937 pvInfoList[i].score >= 0 ? "+" : "",
13938 pvInfoList[i].score / 100.0,
13939 pvInfoList[i].depth,
13942 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13944 /* Print score/depth */
13945 blank = linelen > 0 && movelen > 0;
13946 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13955 fprintf(f, "%s", move_buffer);
13956 linelen += movelen;
13962 /* Start a new line */
13963 if (linelen > 0) fprintf(f, "\n");
13965 /* Print comments after last move */
13966 if (commentList[i] != NULL) {
13967 fprintf(f, "%s\n", commentList[i]);
13971 if (gameInfo.resultDetails != NULL &&
13972 gameInfo.resultDetails[0] != NULLCHAR) {
13973 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13974 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13975 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13976 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13977 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13979 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13983 /* Save game in PGN style and close the file */
13985 SaveGamePGN (FILE *f)
13989 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13993 /* Save game in old style and close the file */
13995 SaveGameOldStyle (FILE *f)
14000 tm = time((time_t *) NULL);
14002 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
14005 if (backwardMostMove > 0 || startedFromSetupPosition) {
14006 fprintf(f, "\n[--------------\n");
14007 PrintPosition(f, backwardMostMove);
14008 fprintf(f, "--------------]\n");
14013 i = backwardMostMove;
14014 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
14016 while (i < forwardMostMove) {
14017 if (commentList[i] != NULL) {
14018 fprintf(f, "[%s]\n", commentList[i]);
14021 if ((i % 2) == 1) {
14022 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
14025 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
14027 if (commentList[i] != NULL) {
14031 if (i >= forwardMostMove) {
14035 fprintf(f, "%s\n", parseList[i]);
14040 if (commentList[i] != NULL) {
14041 fprintf(f, "[%s]\n", commentList[i]);
14044 /* This isn't really the old style, but it's close enough */
14045 if (gameInfo.resultDetails != NULL &&
14046 gameInfo.resultDetails[0] != NULLCHAR) {
14047 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
14048 gameInfo.resultDetails);
14050 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14057 /* Save the current game to open file f and close the file */
14059 SaveGame (FILE *f, int dummy, char *dummy2)
14061 if (gameMode == EditPosition) EditPositionDone(TRUE);
14062 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14063 if (appData.oldSaveStyle)
14064 return SaveGameOldStyle(f);
14066 return SaveGamePGN(f);
14069 /* Save the current position to the given file */
14071 SavePositionToFile (char *filename)
14076 if (strcmp(filename, "-") == 0) {
14077 return SavePosition(stdout, 0, NULL);
14079 f = fopen(filename, "a");
14081 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
14082 DisplayError(buf, errno);
14085 safeStrCpy(buf, lastMsg, MSG_SIZ);
14086 DisplayMessage(_("Waiting for access to save file"), "");
14087 flock(fileno(f), LOCK_EX); // [HGM] lock
14088 DisplayMessage(_("Saving position"), "");
14089 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
14090 SavePosition(f, 0, NULL);
14091 DisplayMessage(buf, "");
14097 /* Save the current position to the given open file and close the file */
14099 SavePosition (FILE *f, int dummy, char *dummy2)
14104 if (gameMode == EditPosition) EditPositionDone(TRUE);
14105 if (appData.oldSaveStyle) {
14106 tm = time((time_t *) NULL);
14108 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
14110 fprintf(f, "[--------------\n");
14111 PrintPosition(f, currentMove);
14112 fprintf(f, "--------------]\n");
14114 fen = PositionToFEN(currentMove, NULL, 1);
14115 fprintf(f, "%s\n", fen);
14123 ReloadCmailMsgEvent (int unregister)
14126 static char *inFilename = NULL;
14127 static char *outFilename;
14129 struct stat inbuf, outbuf;
14132 /* Any registered moves are unregistered if unregister is set, */
14133 /* i.e. invoked by the signal handler */
14135 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14136 cmailMoveRegistered[i] = FALSE;
14137 if (cmailCommentList[i] != NULL) {
14138 free(cmailCommentList[i]);
14139 cmailCommentList[i] = NULL;
14142 nCmailMovesRegistered = 0;
14145 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14146 cmailResult[i] = CMAIL_NOT_RESULT;
14150 if (inFilename == NULL) {
14151 /* Because the filenames are static they only get malloced once */
14152 /* and they never get freed */
14153 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
14154 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
14156 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
14157 sprintf(outFilename, "%s.out", appData.cmailGameName);
14160 status = stat(outFilename, &outbuf);
14162 cmailMailedMove = FALSE;
14164 status = stat(inFilename, &inbuf);
14165 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
14168 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
14169 counts the games, notes how each one terminated, etc.
14171 It would be nice to remove this kludge and instead gather all
14172 the information while building the game list. (And to keep it
14173 in the game list nodes instead of having a bunch of fixed-size
14174 parallel arrays.) Note this will require getting each game's
14175 termination from the PGN tags, as the game list builder does
14176 not process the game moves. --mann
14178 cmailMsgLoaded = TRUE;
14179 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
14181 /* Load first game in the file or popup game menu */
14182 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
14184 #endif /* !WIN32 */
14192 char string[MSG_SIZ];
14194 if ( cmailMailedMove
14195 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
14196 return TRUE; /* Allow free viewing */
14199 /* Unregister move to ensure that we don't leave RegisterMove */
14200 /* with the move registered when the conditions for registering no */
14202 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14203 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14204 nCmailMovesRegistered --;
14206 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14208 free(cmailCommentList[lastLoadGameNumber - 1]);
14209 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14213 if (cmailOldMove == -1) {
14214 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14218 if (currentMove > cmailOldMove + 1) {
14219 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14223 if (currentMove < cmailOldMove) {
14224 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14228 if (forwardMostMove > currentMove) {
14229 /* Silently truncate extra moves */
14233 if ( (currentMove == cmailOldMove + 1)
14234 || ( (currentMove == cmailOldMove)
14235 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14236 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14237 if (gameInfo.result != GameUnfinished) {
14238 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14241 if (commentList[currentMove] != NULL) {
14242 cmailCommentList[lastLoadGameNumber - 1]
14243 = StrSave(commentList[currentMove]);
14245 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14247 if (appData.debugMode)
14248 fprintf(debugFP, "Saving %s for game %d\n",
14249 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14251 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14253 f = fopen(string, "w");
14254 if (appData.oldSaveStyle) {
14255 SaveGameOldStyle(f); /* also closes the file */
14257 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14258 f = fopen(string, "w");
14259 SavePosition(f, 0, NULL); /* also closes the file */
14261 fprintf(f, "{--------------\n");
14262 PrintPosition(f, currentMove);
14263 fprintf(f, "--------------}\n\n");
14265 SaveGame(f, 0, NULL); /* also closes the file*/
14268 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14269 nCmailMovesRegistered ++;
14270 } else if (nCmailGames == 1) {
14271 DisplayError(_("You have not made a move yet"), 0);
14282 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14283 FILE *commandOutput;
14284 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14285 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14291 if (! cmailMsgLoaded) {
14292 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14296 if (nCmailGames == nCmailResults) {
14297 DisplayError(_("No unfinished games"), 0);
14301 #if CMAIL_PROHIBIT_REMAIL
14302 if (cmailMailedMove) {
14303 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);
14304 DisplayError(msg, 0);
14309 if (! (cmailMailedMove || RegisterMove())) return;
14311 if ( cmailMailedMove
14312 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14313 snprintf(string, MSG_SIZ, partCommandString,
14314 appData.debugMode ? " -v" : "", appData.cmailGameName);
14315 commandOutput = popen(string, "r");
14317 if (commandOutput == NULL) {
14318 DisplayError(_("Failed to invoke cmail"), 0);
14320 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14321 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14323 if (nBuffers > 1) {
14324 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14325 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14326 nBytes = MSG_SIZ - 1;
14328 (void) memcpy(msg, buffer, nBytes);
14330 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14332 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14333 cmailMailedMove = TRUE; /* Prevent >1 moves */
14336 for (i = 0; i < nCmailGames; i ++) {
14337 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14342 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14344 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14346 appData.cmailGameName,
14348 LoadGameFromFile(buffer, 1, buffer, FALSE);
14349 cmailMsgLoaded = FALSE;
14353 DisplayInformation(msg);
14354 pclose(commandOutput);
14357 if ((*cmailMsg) != '\0') {
14358 DisplayInformation(cmailMsg);
14363 #endif /* !WIN32 */
14372 int prependComma = 0;
14374 char string[MSG_SIZ]; /* Space for game-list */
14377 if (!cmailMsgLoaded) return "";
14379 if (cmailMailedMove) {
14380 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14382 /* Create a list of games left */
14383 snprintf(string, MSG_SIZ, "[");
14384 for (i = 0; i < nCmailGames; i ++) {
14385 if (! ( cmailMoveRegistered[i]
14386 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14387 if (prependComma) {
14388 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14390 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14394 strcat(string, number);
14397 strcat(string, "]");
14399 if (nCmailMovesRegistered + nCmailResults == 0) {
14400 switch (nCmailGames) {
14402 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14406 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14410 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14415 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14417 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14422 if (nCmailResults == nCmailGames) {
14423 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14425 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14430 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14442 if (gameMode == Training)
14443 SetTrainingModeOff();
14446 cmailMsgLoaded = FALSE;
14447 if (appData.icsActive) {
14448 SendToICS(ics_prefix);
14449 SendToICS("refresh\n");
14454 ExitEvent (int status)
14458 /* Give up on clean exit */
14462 /* Keep trying for clean exit */
14466 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14467 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14469 if (telnetISR != NULL) {
14470 RemoveInputSource(telnetISR);
14472 if (icsPR != NoProc) {
14473 DestroyChildProcess(icsPR, TRUE);
14476 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14477 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14479 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14480 /* make sure this other one finishes before killing it! */
14481 if(endingGame) { int count = 0;
14482 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14483 while(endingGame && count++ < 10) DoSleep(1);
14484 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14487 /* Kill off chess programs */
14488 if (first.pr != NoProc) {
14491 DoSleep( appData.delayBeforeQuit );
14492 SendToProgram("quit\n", &first);
14493 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14495 if (second.pr != NoProc) {
14496 DoSleep( appData.delayBeforeQuit );
14497 SendToProgram("quit\n", &second);
14498 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14500 if (first.isr != NULL) {
14501 RemoveInputSource(first.isr);
14503 if (second.isr != NULL) {
14504 RemoveInputSource(second.isr);
14507 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14508 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14510 ShutDownFrontEnd();
14515 PauseEngine (ChessProgramState *cps)
14517 SendToProgram("pause\n", cps);
14522 UnPauseEngine (ChessProgramState *cps)
14524 SendToProgram("resume\n", cps);
14531 if (appData.debugMode)
14532 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14536 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14538 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14539 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14540 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14542 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14543 HandleMachineMove(stashedInputMove, stalledEngine);
14544 stalledEngine = NULL;
14547 if (gameMode == MachinePlaysWhite ||
14548 gameMode == TwoMachinesPlay ||
14549 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14550 if(first.pause) UnPauseEngine(&first);
14551 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14552 if(second.pause) UnPauseEngine(&second);
14553 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14556 DisplayBothClocks();
14558 if (gameMode == PlayFromGameFile) {
14559 if (appData.timeDelay >= 0)
14560 AutoPlayGameLoop();
14561 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14562 Reset(FALSE, TRUE);
14563 SendToICS(ics_prefix);
14564 SendToICS("refresh\n");
14565 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14566 ForwardInner(forwardMostMove);
14568 pauseExamInvalid = FALSE;
14570 switch (gameMode) {
14574 pauseExamForwardMostMove = forwardMostMove;
14575 pauseExamInvalid = FALSE;
14578 case IcsPlayingWhite:
14579 case IcsPlayingBlack:
14583 case PlayFromGameFile:
14584 (void) StopLoadGameTimer();
14588 case BeginningOfGame:
14589 if (appData.icsActive) return;
14590 /* else fall through */
14591 case MachinePlaysWhite:
14592 case MachinePlaysBlack:
14593 case TwoMachinesPlay:
14594 if (forwardMostMove == 0)
14595 return; /* don't pause if no one has moved */
14596 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14597 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14598 if(onMove->pause) { // thinking engine can be paused
14599 PauseEngine(onMove); // do it
14600 if(onMove->other->pause) // pondering opponent can always be paused immediately
14601 PauseEngine(onMove->other);
14603 SendToProgram("easy\n", onMove->other);
14605 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14606 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14608 PauseEngine(&first);
14610 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14611 } else { // human on move, pause pondering by either method
14613 PauseEngine(&first);
14614 else if(appData.ponderNextMove)
14615 SendToProgram("easy\n", &first);
14618 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14628 EditCommentEvent ()
14630 char title[MSG_SIZ];
14632 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14633 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14635 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14636 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14637 parseList[currentMove - 1]);
14640 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14647 char *tags = PGNTags(&gameInfo);
14649 EditTagsPopUp(tags, NULL);
14656 if(second.analyzing) {
14657 SendToProgram("exit\n", &second);
14658 second.analyzing = FALSE;
14660 if (second.pr == NoProc) StartChessProgram(&second);
14661 InitChessProgram(&second, FALSE);
14662 FeedMovesToProgram(&second, currentMove);
14664 SendToProgram("analyze\n", &second);
14665 second.analyzing = TRUE;
14669 /* Toggle ShowThinking */
14671 ToggleShowThinking()
14673 appData.showThinking = !appData.showThinking;
14674 ShowThinkingEvent();
14678 AnalyzeModeEvent ()
14682 if (!first.analysisSupport) {
14683 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14684 DisplayError(buf, 0);
14687 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14688 if (appData.icsActive) {
14689 if (gameMode != IcsObserving) {
14690 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14691 DisplayError(buf, 0);
14693 if (appData.icsEngineAnalyze) {
14694 if (appData.debugMode)
14695 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14701 /* if enable, user wants to disable icsEngineAnalyze */
14702 if (appData.icsEngineAnalyze) {
14707 appData.icsEngineAnalyze = TRUE;
14708 if (appData.debugMode)
14709 fprintf(debugFP, "ICS engine analyze starting... \n");
14712 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14713 if (appData.noChessProgram || gameMode == AnalyzeMode)
14716 if (gameMode != AnalyzeFile) {
14717 if (!appData.icsEngineAnalyze) {
14719 if (gameMode != EditGame) return 0;
14721 if (!appData.showThinking) ToggleShowThinking();
14722 ResurrectChessProgram();
14723 SendToProgram("analyze\n", &first);
14724 first.analyzing = TRUE;
14725 /*first.maybeThinking = TRUE;*/
14726 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14727 EngineOutputPopUp();
14729 if (!appData.icsEngineAnalyze) {
14730 gameMode = AnalyzeMode;
14731 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14737 StartAnalysisClock();
14738 GetTimeMark(&lastNodeCountTime);
14744 AnalyzeFileEvent ()
14746 if (appData.noChessProgram || gameMode == AnalyzeFile)
14749 if (!first.analysisSupport) {
14751 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14752 DisplayError(buf, 0);
14756 if (gameMode != AnalyzeMode) {
14757 keepInfo = 1; // mere annotating should not alter PGN tags
14760 if (gameMode != EditGame) return;
14761 if (!appData.showThinking) ToggleShowThinking();
14762 ResurrectChessProgram();
14763 SendToProgram("analyze\n", &first);
14764 first.analyzing = TRUE;
14765 /*first.maybeThinking = TRUE;*/
14766 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14767 EngineOutputPopUp();
14769 gameMode = AnalyzeFile;
14773 StartAnalysisClock();
14774 GetTimeMark(&lastNodeCountTime);
14776 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14777 AnalysisPeriodicEvent(1);
14781 MachineWhiteEvent ()
14784 char *bookHit = NULL;
14786 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14790 if (gameMode == PlayFromGameFile ||
14791 gameMode == TwoMachinesPlay ||
14792 gameMode == Training ||
14793 gameMode == AnalyzeMode ||
14794 gameMode == EndOfGame)
14797 if (gameMode == EditPosition)
14798 EditPositionDone(TRUE);
14800 if (!WhiteOnMove(currentMove)) {
14801 DisplayError(_("It is not White's turn"), 0);
14805 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14808 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14809 gameMode == AnalyzeFile)
14812 ResurrectChessProgram(); /* in case it isn't running */
14813 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14814 gameMode = MachinePlaysWhite;
14817 gameMode = MachinePlaysWhite;
14821 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14823 if (first.sendName) {
14824 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14825 SendToProgram(buf, &first);
14827 if (first.sendTime) {
14828 if (first.useColors) {
14829 SendToProgram("black\n", &first); /*gnu kludge*/
14831 SendTimeRemaining(&first, TRUE);
14833 if (first.useColors) {
14834 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14836 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14837 SetMachineThinkingEnables();
14838 first.maybeThinking = TRUE;
14842 if (appData.autoFlipView && !flipView) {
14843 flipView = !flipView;
14844 DrawPosition(FALSE, NULL);
14845 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14848 if(bookHit) { // [HGM] book: simulate book reply
14849 static char bookMove[MSG_SIZ]; // a bit generous?
14851 programStats.nodes = programStats.depth = programStats.time =
14852 programStats.score = programStats.got_only_move = 0;
14853 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14855 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14856 strcat(bookMove, bookHit);
14857 HandleMachineMove(bookMove, &first);
14862 MachineBlackEvent ()
14865 char *bookHit = NULL;
14867 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14871 if (gameMode == PlayFromGameFile ||
14872 gameMode == TwoMachinesPlay ||
14873 gameMode == Training ||
14874 gameMode == AnalyzeMode ||
14875 gameMode == EndOfGame)
14878 if (gameMode == EditPosition)
14879 EditPositionDone(TRUE);
14881 if (WhiteOnMove(currentMove)) {
14882 DisplayError(_("It is not Black's turn"), 0);
14886 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14889 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14890 gameMode == AnalyzeFile)
14893 ResurrectChessProgram(); /* in case it isn't running */
14894 gameMode = MachinePlaysBlack;
14898 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14900 if (first.sendName) {
14901 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14902 SendToProgram(buf, &first);
14904 if (first.sendTime) {
14905 if (first.useColors) {
14906 SendToProgram("white\n", &first); /*gnu kludge*/
14908 SendTimeRemaining(&first, FALSE);
14910 if (first.useColors) {
14911 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14913 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14914 SetMachineThinkingEnables();
14915 first.maybeThinking = TRUE;
14918 if (appData.autoFlipView && flipView) {
14919 flipView = !flipView;
14920 DrawPosition(FALSE, NULL);
14921 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14923 if(bookHit) { // [HGM] book: simulate book reply
14924 static char bookMove[MSG_SIZ]; // a bit generous?
14926 programStats.nodes = programStats.depth = programStats.time =
14927 programStats.score = programStats.got_only_move = 0;
14928 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14930 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14931 strcat(bookMove, bookHit);
14932 HandleMachineMove(bookMove, &first);
14938 DisplayTwoMachinesTitle ()
14941 if (appData.matchGames > 0) {
14942 if(appData.tourneyFile[0]) {
14943 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14944 gameInfo.white, _("vs."), gameInfo.black,
14945 nextGame+1, appData.matchGames+1,
14946 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14948 if (first.twoMachinesColor[0] == 'w') {
14949 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14950 gameInfo.white, _("vs."), gameInfo.black,
14951 first.matchWins, second.matchWins,
14952 matchGame - 1 - (first.matchWins + second.matchWins));
14954 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14955 gameInfo.white, _("vs."), gameInfo.black,
14956 second.matchWins, first.matchWins,
14957 matchGame - 1 - (first.matchWins + second.matchWins));
14960 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14966 SettingsMenuIfReady ()
14968 if (second.lastPing != second.lastPong) {
14969 DisplayMessage("", _("Waiting for second chess program"));
14970 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14974 DisplayMessage("", "");
14975 SettingsPopUp(&second);
14979 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14982 if (cps->pr == NoProc) {
14983 StartChessProgram(cps);
14984 if (cps->protocolVersion == 1) {
14986 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14988 /* kludge: allow timeout for initial "feature" command */
14989 if(retry != TwoMachinesEventIfReady) FreezeUI();
14990 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14991 DisplayMessage("", buf);
14992 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
15000 TwoMachinesEvent P((void))
15004 ChessProgramState *onmove;
15005 char *bookHit = NULL;
15006 static int stalling = 0;
15010 if (appData.noChessProgram) return;
15012 switch (gameMode) {
15013 case TwoMachinesPlay:
15015 case MachinePlaysWhite:
15016 case MachinePlaysBlack:
15017 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15018 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15022 case BeginningOfGame:
15023 case PlayFromGameFile:
15026 if (gameMode != EditGame) return;
15029 EditPositionDone(TRUE);
15040 // forwardMostMove = currentMove;
15041 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
15042 startingEngine = TRUE;
15044 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
15046 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
15047 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
15048 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15052 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
15054 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
15055 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
15056 startingEngine = matchMode = FALSE;
15057 DisplayError("second engine does not play this", 0);
15058 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
15059 EditGameEvent(); // switch back to EditGame mode
15064 InitChessProgram(&second, FALSE); // unbalances ping of second engine
15065 SendToProgram("force\n", &second);
15067 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15071 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
15072 if(appData.matchPause>10000 || appData.matchPause<10)
15073 appData.matchPause = 10000; /* [HGM] make pause adjustable */
15074 wait = SubtractTimeMarks(&now, &pauseStart);
15075 if(wait < appData.matchPause) {
15076 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
15079 // we are now committed to starting the game
15081 DisplayMessage("", "");
15083 if (startedFromSetupPosition) {
15084 SendBoard(&second, backwardMostMove);
15085 if (appData.debugMode) {
15086 fprintf(debugFP, "Two Machines\n");
15089 for (i = backwardMostMove; i < forwardMostMove; i++) {
15090 SendMoveToProgram(i, &second);
15094 gameMode = TwoMachinesPlay;
15095 pausing = startingEngine = FALSE;
15096 ModeHighlight(); // [HGM] logo: this triggers display update of logos
15098 DisplayTwoMachinesTitle();
15100 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
15105 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
15106 SendToProgram(first.computerString, &first);
15107 if (first.sendName) {
15108 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
15109 SendToProgram(buf, &first);
15112 SendToProgram(second.computerString, &second);
15113 if (second.sendName) {
15114 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
15115 SendToProgram(buf, &second);
15120 if (!first.sendTime || !second.sendTime) {
15121 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15122 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15124 if (onmove->sendTime) {
15125 if (onmove->useColors) {
15126 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
15128 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
15130 if (onmove->useColors) {
15131 SendToProgram(onmove->twoMachinesColor, onmove);
15133 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
15134 // SendToProgram("go\n", onmove);
15135 onmove->maybeThinking = TRUE;
15136 SetMachineThinkingEnables();
15140 if(bookHit) { // [HGM] book: simulate book reply
15141 static char bookMove[MSG_SIZ]; // a bit generous?
15143 programStats.nodes = programStats.depth = programStats.time =
15144 programStats.score = programStats.got_only_move = 0;
15145 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15147 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15148 strcat(bookMove, bookHit);
15149 savedMessage = bookMove; // args for deferred call
15150 savedState = onmove;
15151 ScheduleDelayedEvent(DeferredBookMove, 1);
15158 if (gameMode == Training) {
15159 SetTrainingModeOff();
15160 gameMode = PlayFromGameFile;
15161 DisplayMessage("", _("Training mode off"));
15163 gameMode = Training;
15164 animateTraining = appData.animate;
15166 /* make sure we are not already at the end of the game */
15167 if (currentMove < forwardMostMove) {
15168 SetTrainingModeOn();
15169 DisplayMessage("", _("Training mode on"));
15171 gameMode = PlayFromGameFile;
15172 DisplayError(_("Already at end of game"), 0);
15181 if (!appData.icsActive) return;
15182 switch (gameMode) {
15183 case IcsPlayingWhite:
15184 case IcsPlayingBlack:
15187 case BeginningOfGame:
15195 EditPositionDone(TRUE);
15208 gameMode = IcsIdle;
15218 switch (gameMode) {
15220 SetTrainingModeOff();
15222 case MachinePlaysWhite:
15223 case MachinePlaysBlack:
15224 case BeginningOfGame:
15225 SendToProgram("force\n", &first);
15226 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15227 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15229 abortEngineThink = TRUE;
15230 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15231 SendToProgram(buf, &first);
15232 DisplayMessage("Aborting engine think", "");
15236 SetUserThinkingEnables();
15238 case PlayFromGameFile:
15239 (void) StopLoadGameTimer();
15240 if (gameFileFP != NULL) {
15245 EditPositionDone(TRUE);
15250 SendToProgram("force\n", &first);
15252 case TwoMachinesPlay:
15253 GameEnds(EndOfFile, NULL, GE_PLAYER);
15254 ResurrectChessProgram();
15255 SetUserThinkingEnables();
15258 ResurrectChessProgram();
15260 case IcsPlayingBlack:
15261 case IcsPlayingWhite:
15262 DisplayError(_("Warning: You are still playing a game"), 0);
15265 DisplayError(_("Warning: You are still observing a game"), 0);
15268 DisplayError(_("Warning: You are still examining a game"), 0);
15279 first.offeredDraw = second.offeredDraw = 0;
15281 if (gameMode == PlayFromGameFile) {
15282 whiteTimeRemaining = timeRemaining[0][currentMove];
15283 blackTimeRemaining = timeRemaining[1][currentMove];
15287 if (gameMode == MachinePlaysWhite ||
15288 gameMode == MachinePlaysBlack ||
15289 gameMode == TwoMachinesPlay ||
15290 gameMode == EndOfGame) {
15291 i = forwardMostMove;
15292 while (i > currentMove) {
15293 SendToProgram("undo\n", &first);
15296 if(!adjustedClock) {
15297 whiteTimeRemaining = timeRemaining[0][currentMove];
15298 blackTimeRemaining = timeRemaining[1][currentMove];
15299 DisplayBothClocks();
15301 if (whiteFlag || blackFlag) {
15302 whiteFlag = blackFlag = 0;
15307 gameMode = EditGame;
15313 EditPositionEvent ()
15316 if (gameMode == EditPosition) {
15322 if (gameMode != EditGame) return;
15324 gameMode = EditPosition;
15327 CopyBoard(rightsBoard, nullBoard);
15328 if (currentMove > 0)
15329 CopyBoard(boards[0], boards[currentMove]);
15330 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15331 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15333 blackPlaysFirst = !WhiteOnMove(currentMove);
15335 currentMove = forwardMostMove = backwardMostMove = 0;
15336 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15338 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15344 /* [DM] icsEngineAnalyze - possible call from other functions */
15345 if (appData.icsEngineAnalyze) {
15346 appData.icsEngineAnalyze = FALSE;
15348 DisplayMessage("",_("Close ICS engine analyze..."));
15350 if (first.analysisSupport && first.analyzing) {
15351 SendToBoth("exit\n");
15352 first.analyzing = second.analyzing = FALSE;
15354 thinkOutput[0] = NULLCHAR;
15358 EditPositionDone (Boolean fakeRights)
15360 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15362 startedFromSetupPosition = TRUE;
15363 InitChessProgram(&first, FALSE);
15364 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15366 boards[0][EP_STATUS] = EP_NONE;
15367 for(f=0; f<=nrCastlingRights; f++) boards[0][CASTLING][f] = NoRights;
15368 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // first pass: Kings & e.p.
15369 if(rightsBoard[r][f]) {
15370 ChessSquare p = boards[0][r][f];
15371 if(p == (blackPlaysFirst ? WhitePawn : BlackPawn)) boards[0][EP_STATUS] = f;
15372 else if(p == king) boards[0][CASTLING][2] = f;
15373 else if(p == WHITE_TO_BLACK king) boards[0][CASTLING][5] = f;
15374 else rightsBoard[r][f] = 2; // mark for second pass
15377 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // second pass: Rooks
15378 if(rightsBoard[r][f] == 2) {
15379 ChessSquare p = boards[0][r][f];
15380 if(p == WhiteRook) boards[0][CASTLING][(f < boards[0][CASTLING][2])] = f; else
15381 if(p == BlackRook) boards[0][CASTLING][(f < boards[0][CASTLING][5])+3] = f;
15385 SendToProgram("force\n", &first);
15386 if (blackPlaysFirst) {
15387 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15388 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15389 currentMove = forwardMostMove = backwardMostMove = 1;
15390 CopyBoard(boards[1], boards[0]);
15392 currentMove = forwardMostMove = backwardMostMove = 0;
15394 SendBoard(&first, forwardMostMove);
15395 if (appData.debugMode) {
15396 fprintf(debugFP, "EditPosDone\n");
15399 DisplayMessage("", "");
15400 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15401 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15402 gameMode = EditGame;
15404 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15405 ClearHighlights(); /* [AS] */
15408 /* Pause for `ms' milliseconds */
15409 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15411 TimeDelay (long ms)
15418 } while (SubtractTimeMarks(&m2, &m1) < ms);
15421 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15423 SendMultiLineToICS (char *buf)
15425 char temp[MSG_SIZ+1], *p;
15432 strncpy(temp, buf, len);
15437 if (*p == '\n' || *p == '\r')
15442 strcat(temp, "\n");
15444 SendToPlayer(temp, strlen(temp));
15448 SetWhiteToPlayEvent ()
15450 if (gameMode == EditPosition) {
15451 blackPlaysFirst = FALSE;
15452 DisplayBothClocks(); /* works because currentMove is 0 */
15453 } else if (gameMode == IcsExamining) {
15454 SendToICS(ics_prefix);
15455 SendToICS("tomove white\n");
15460 SetBlackToPlayEvent ()
15462 if (gameMode == EditPosition) {
15463 blackPlaysFirst = TRUE;
15464 currentMove = 1; /* kludge */
15465 DisplayBothClocks();
15467 } else if (gameMode == IcsExamining) {
15468 SendToICS(ics_prefix);
15469 SendToICS("tomove black\n");
15474 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15477 ChessSquare piece = boards[0][y][x];
15478 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15479 static int lastVariant;
15480 int baseRank = BOARD_HEIGHT-1, hasRights = 0;
15482 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15484 switch (selection) {
15486 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15487 MarkTargetSquares(1);
15488 CopyBoard(currentBoard, boards[0]);
15489 CopyBoard(menuBoard, initialPosition);
15490 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15491 SendToICS(ics_prefix);
15492 SendToICS("bsetup clear\n");
15493 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15494 SendToICS(ics_prefix);
15495 SendToICS("clearboard\n");
15498 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15499 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15500 for (y = 0; y < BOARD_HEIGHT; y++) {
15501 if (gameMode == IcsExamining) {
15502 if (boards[currentMove][y][x] != EmptySquare) {
15503 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15507 } else if(boards[0][y][x] != DarkSquare) {
15508 if(boards[0][y][x] != p) nonEmpty++;
15509 boards[0][y][x] = p;
15513 CopyBoard(rightsBoard, nullBoard);
15514 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15516 for(r = 0; r < BOARD_HEIGHT; r++) {
15517 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15518 ChessSquare p = menuBoard[r][x];
15519 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15522 menuBoard[CASTLING][0] = menuBoard[CASTLING][3] = NoRights; // h-side Rook was deleted
15523 DisplayMessage("Clicking clock again restores position", "");
15524 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15525 if(!nonEmpty) { // asked to clear an empty board
15526 CopyBoard(boards[0], menuBoard);
15528 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15529 CopyBoard(boards[0], initialPosition);
15531 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15532 && !CompareBoards(nullBoard, erasedBoard)) {
15533 CopyBoard(boards[0], erasedBoard);
15535 CopyBoard(erasedBoard, currentBoard);
15537 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15538 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15541 if (gameMode == EditPosition) {
15542 DrawPosition(FALSE, boards[0]);
15547 SetWhiteToPlayEvent();
15551 SetBlackToPlayEvent();
15555 if (gameMode == IcsExamining) {
15556 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15557 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15560 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15561 if(x == BOARD_LEFT-2) {
15562 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15563 boards[0][y][1] = 0;
15565 if(x == BOARD_RGHT+1) {
15566 if(y >= gameInfo.holdingsSize) break;
15567 boards[0][y][BOARD_WIDTH-2] = 0;
15570 boards[0][y][x] = EmptySquare;
15571 DrawPosition(FALSE, boards[0]);
15576 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15577 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15578 selection = (ChessSquare) (PROMOTED(piece));
15579 } else if(piece == EmptySquare) selection = WhiteSilver;
15580 else selection = (ChessSquare)((int)piece - 1);
15584 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15585 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15586 selection = (ChessSquare) (DEMOTED(piece));
15587 } else if(piece == EmptySquare) selection = BlackSilver;
15588 else selection = (ChessSquare)((int)piece + 1);
15593 if(gameInfo.variant == VariantShatranj ||
15594 gameInfo.variant == VariantXiangqi ||
15595 gameInfo.variant == VariantCourier ||
15596 gameInfo.variant == VariantASEAN ||
15597 gameInfo.variant == VariantMakruk )
15598 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15604 if(y == baseRank && (x == BOARD_LEFT || x == BOARD_RGHT-1 || appData.fischerCastling)) hasRights = 1;
15605 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15611 if(gameInfo.variant == VariantXiangqi)
15612 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15613 if(gameInfo.variant == VariantKnightmate)
15614 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15615 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15618 if (gameMode == IcsExamining) {
15619 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15620 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15621 PieceToChar(selection), AAA + x, ONE + y);
15624 rightsBoard[y][x] = hasRights;
15625 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15627 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15628 n = PieceToNumber(selection - BlackPawn);
15629 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15630 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15631 boards[0][BOARD_HEIGHT-1-n][1]++;
15633 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15634 n = PieceToNumber(selection);
15635 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15636 boards[0][n][BOARD_WIDTH-1] = selection;
15637 boards[0][n][BOARD_WIDTH-2]++;
15640 boards[0][y][x] = selection;
15641 DrawPosition(TRUE, boards[0]);
15643 fromX = fromY = -1;
15651 DropMenuEvent (ChessSquare selection, int x, int y)
15653 ChessMove moveType;
15655 switch (gameMode) {
15656 case IcsPlayingWhite:
15657 case MachinePlaysBlack:
15658 if (!WhiteOnMove(currentMove)) {
15659 DisplayMoveError(_("It is Black's turn"));
15662 moveType = WhiteDrop;
15664 case IcsPlayingBlack:
15665 case MachinePlaysWhite:
15666 if (WhiteOnMove(currentMove)) {
15667 DisplayMoveError(_("It is White's turn"));
15670 moveType = BlackDrop;
15673 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15679 if (moveType == BlackDrop && selection < BlackPawn) {
15680 selection = (ChessSquare) ((int) selection
15681 + (int) BlackPawn - (int) WhitePawn);
15683 if (boards[currentMove][y][x] != EmptySquare) {
15684 DisplayMoveError(_("That square is occupied"));
15688 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15694 /* Accept a pending offer of any kind from opponent */
15696 if (appData.icsActive) {
15697 SendToICS(ics_prefix);
15698 SendToICS("accept\n");
15699 } else if (cmailMsgLoaded) {
15700 if (currentMove == cmailOldMove &&
15701 commentList[cmailOldMove] != NULL &&
15702 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15703 "Black offers a draw" : "White offers a draw")) {
15705 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15706 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15708 DisplayError(_("There is no pending offer on this move"), 0);
15709 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15712 /* Not used for offers from chess program */
15719 /* Decline a pending offer of any kind from opponent */
15721 if (appData.icsActive) {
15722 SendToICS(ics_prefix);
15723 SendToICS("decline\n");
15724 } else if (cmailMsgLoaded) {
15725 if (currentMove == cmailOldMove &&
15726 commentList[cmailOldMove] != NULL &&
15727 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15728 "Black offers a draw" : "White offers a draw")) {
15730 AppendComment(cmailOldMove, "Draw declined", TRUE);
15731 DisplayComment(cmailOldMove - 1, "Draw declined");
15734 DisplayError(_("There is no pending offer on this move"), 0);
15737 /* Not used for offers from chess program */
15744 /* Issue ICS rematch command */
15745 if (appData.icsActive) {
15746 SendToICS(ics_prefix);
15747 SendToICS("rematch\n");
15754 /* Call your opponent's flag (claim a win on time) */
15755 if (appData.icsActive) {
15756 SendToICS(ics_prefix);
15757 SendToICS("flag\n");
15759 switch (gameMode) {
15762 case MachinePlaysWhite:
15765 GameEnds(GameIsDrawn, "Both players ran out of time",
15768 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15770 DisplayError(_("Your opponent is not out of time"), 0);
15773 case MachinePlaysBlack:
15776 GameEnds(GameIsDrawn, "Both players ran out of time",
15779 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15781 DisplayError(_("Your opponent is not out of time"), 0);
15789 ClockClick (int which)
15790 { // [HGM] code moved to back-end from winboard.c
15791 if(which) { // black clock
15792 if (gameMode == EditPosition || gameMode == IcsExamining) {
15793 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15794 SetBlackToPlayEvent();
15795 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15796 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15797 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15798 } else if (shiftKey) {
15799 AdjustClock(which, -1);
15800 } else if (gameMode == IcsPlayingWhite ||
15801 gameMode == MachinePlaysBlack) {
15804 } else { // white clock
15805 if (gameMode == EditPosition || gameMode == IcsExamining) {
15806 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15807 SetWhiteToPlayEvent();
15808 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15809 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15810 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15811 } else if (shiftKey) {
15812 AdjustClock(which, -1);
15813 } else if (gameMode == IcsPlayingBlack ||
15814 gameMode == MachinePlaysWhite) {
15823 /* Offer draw or accept pending draw offer from opponent */
15825 if (appData.icsActive) {
15826 /* Note: tournament rules require draw offers to be
15827 made after you make your move but before you punch
15828 your clock. Currently ICS doesn't let you do that;
15829 instead, you immediately punch your clock after making
15830 a move, but you can offer a draw at any time. */
15832 SendToICS(ics_prefix);
15833 SendToICS("draw\n");
15834 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15835 } else if (cmailMsgLoaded) {
15836 if (currentMove == cmailOldMove &&
15837 commentList[cmailOldMove] != NULL &&
15838 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15839 "Black offers a draw" : "White offers a draw")) {
15840 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15841 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15842 } else if (currentMove == cmailOldMove + 1) {
15843 char *offer = WhiteOnMove(cmailOldMove) ?
15844 "White offers a draw" : "Black offers a draw";
15845 AppendComment(currentMove, offer, TRUE);
15846 DisplayComment(currentMove - 1, offer);
15847 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15849 DisplayError(_("You must make your move before offering a draw"), 0);
15850 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15852 } else if (first.offeredDraw) {
15853 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15855 if (first.sendDrawOffers) {
15856 SendToProgram("draw\n", &first);
15857 userOfferedDraw = TRUE;
15865 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15867 if (appData.icsActive) {
15868 SendToICS(ics_prefix);
15869 SendToICS("adjourn\n");
15871 /* Currently GNU Chess doesn't offer or accept Adjourns */
15879 /* Offer Abort or accept pending Abort offer from opponent */
15881 if (appData.icsActive) {
15882 SendToICS(ics_prefix);
15883 SendToICS("abort\n");
15885 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15892 /* Resign. You can do this even if it's not your turn. */
15894 if (appData.icsActive) {
15895 SendToICS(ics_prefix);
15896 SendToICS("resign\n");
15898 switch (gameMode) {
15899 case MachinePlaysWhite:
15900 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15902 case MachinePlaysBlack:
15903 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15906 if (cmailMsgLoaded) {
15908 if (WhiteOnMove(cmailOldMove)) {
15909 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15911 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15913 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15924 StopObservingEvent ()
15926 /* Stop observing current games */
15927 SendToICS(ics_prefix);
15928 SendToICS("unobserve\n");
15932 StopExaminingEvent ()
15934 /* Stop observing current game */
15935 SendToICS(ics_prefix);
15936 SendToICS("unexamine\n");
15940 ForwardInner (int target)
15942 int limit; int oldSeekGraphUp = seekGraphUp;
15944 if (appData.debugMode)
15945 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15946 target, currentMove, forwardMostMove);
15948 if (gameMode == EditPosition)
15951 seekGraphUp = FALSE;
15952 MarkTargetSquares(1);
15953 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15955 if (gameMode == PlayFromGameFile && !pausing)
15958 if (gameMode == IcsExamining && pausing)
15959 limit = pauseExamForwardMostMove;
15961 limit = forwardMostMove;
15963 if (target > limit) target = limit;
15965 if (target > 0 && moveList[target - 1][0]) {
15966 int fromX, fromY, toX, toY;
15967 toX = moveList[target - 1][2] - AAA;
15968 toY = moveList[target - 1][3] - ONE;
15969 if (moveList[target - 1][1] == '@') {
15970 if (appData.highlightLastMove) {
15971 SetHighlights(-1, -1, toX, toY);
15974 fromX = moveList[target - 1][0] - AAA;
15975 fromY = moveList[target - 1][1] - ONE;
15976 if (target == currentMove + 1) {
15977 if(moveList[target - 1][4] == ';') { // multi-leg
15978 killX = moveList[target - 1][5] - AAA;
15979 killY = moveList[target - 1][6] - ONE;
15981 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15982 killX = killY = -1;
15984 if (appData.highlightLastMove) {
15985 SetHighlights(fromX, fromY, toX, toY);
15989 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15990 gameMode == Training || gameMode == PlayFromGameFile ||
15991 gameMode == AnalyzeFile) {
15992 while (currentMove < target) {
15993 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15994 SendMoveToProgram(currentMove++, &first);
15997 currentMove = target;
16000 if (gameMode == EditGame || gameMode == EndOfGame) {
16001 whiteTimeRemaining = timeRemaining[0][currentMove];
16002 blackTimeRemaining = timeRemaining[1][currentMove];
16004 DisplayBothClocks();
16005 DisplayMove(currentMove - 1);
16006 DrawPosition(oldSeekGraphUp, boards[currentMove]);
16007 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16008 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
16009 DisplayComment(currentMove - 1, commentList[currentMove]);
16011 ClearMap(); // [HGM] exclude: invalidate map
16018 if (gameMode == IcsExamining && !pausing) {
16019 SendToICS(ics_prefix);
16020 SendToICS("forward\n");
16022 ForwardInner(currentMove + 1);
16029 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16030 /* to optimze, we temporarily turn off analysis mode while we feed
16031 * the remaining moves to the engine. Otherwise we get analysis output
16034 if (first.analysisSupport) {
16035 SendToProgram("exit\nforce\n", &first);
16036 first.analyzing = FALSE;
16040 if (gameMode == IcsExamining && !pausing) {
16041 SendToICS(ics_prefix);
16042 SendToICS("forward 999999\n");
16044 ForwardInner(forwardMostMove);
16047 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16048 /* we have fed all the moves, so reactivate analysis mode */
16049 SendToProgram("analyze\n", &first);
16050 first.analyzing = TRUE;
16051 /*first.maybeThinking = TRUE;*/
16052 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16057 BackwardInner (int target)
16059 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
16061 if (appData.debugMode)
16062 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
16063 target, currentMove, forwardMostMove);
16065 if (gameMode == EditPosition) return;
16066 seekGraphUp = FALSE;
16067 MarkTargetSquares(1);
16068 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
16069 if (currentMove <= backwardMostMove) {
16071 DrawPosition(full_redraw, boards[currentMove]);
16074 if (gameMode == PlayFromGameFile && !pausing)
16077 if (moveList[target][0]) {
16078 int fromX, fromY, toX, toY;
16079 toX = moveList[target][2] - AAA;
16080 toY = moveList[target][3] - ONE;
16081 if (moveList[target][1] == '@') {
16082 if (appData.highlightLastMove) {
16083 SetHighlights(-1, -1, toX, toY);
16086 fromX = moveList[target][0] - AAA;
16087 fromY = moveList[target][1] - ONE;
16088 if (target == currentMove - 1) {
16089 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
16091 if (appData.highlightLastMove) {
16092 SetHighlights(fromX, fromY, toX, toY);
16096 if (gameMode == EditGame || gameMode==AnalyzeMode ||
16097 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
16098 while (currentMove > target) {
16099 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
16100 // null move cannot be undone. Reload program with move history before it.
16102 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
16103 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
16105 SendBoard(&first, i);
16106 if(second.analyzing) SendBoard(&second, i);
16107 for(currentMove=i; currentMove<target; currentMove++) {
16108 SendMoveToProgram(currentMove, &first);
16109 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16113 SendToBoth("undo\n");
16117 currentMove = target;
16120 if (gameMode == EditGame || gameMode == EndOfGame) {
16121 whiteTimeRemaining = timeRemaining[0][currentMove];
16122 blackTimeRemaining = timeRemaining[1][currentMove];
16124 DisplayBothClocks();
16125 DisplayMove(currentMove - 1);
16126 DrawPosition(full_redraw, boards[currentMove]);
16127 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16128 // [HGM] PV info: routine tests if comment empty
16129 DisplayComment(currentMove - 1, commentList[currentMove]);
16130 ClearMap(); // [HGM] exclude: invalidate map
16136 if (gameMode == IcsExamining && !pausing) {
16137 SendToICS(ics_prefix);
16138 SendToICS("backward\n");
16140 BackwardInner(currentMove - 1);
16147 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16148 /* to optimize, we temporarily turn off analysis mode while we undo
16149 * all the moves. Otherwise we get analysis output after each undo.
16151 if (first.analysisSupport) {
16152 SendToProgram("exit\nforce\n", &first);
16153 first.analyzing = FALSE;
16157 if (gameMode == IcsExamining && !pausing) {
16158 SendToICS(ics_prefix);
16159 SendToICS("backward 999999\n");
16161 BackwardInner(backwardMostMove);
16164 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16165 /* we have fed all the moves, so reactivate analysis mode */
16166 SendToProgram("analyze\n", &first);
16167 first.analyzing = TRUE;
16168 /*first.maybeThinking = TRUE;*/
16169 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16176 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
16177 if (to >= forwardMostMove) to = forwardMostMove;
16178 if (to <= backwardMostMove) to = backwardMostMove;
16179 if (to < currentMove) {
16187 RevertEvent (Boolean annotate)
16189 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
16192 if (gameMode != IcsExamining) {
16193 DisplayError(_("You are not examining a game"), 0);
16197 DisplayError(_("You can't revert while pausing"), 0);
16200 SendToICS(ics_prefix);
16201 SendToICS("revert\n");
16205 RetractMoveEvent ()
16207 switch (gameMode) {
16208 case MachinePlaysWhite:
16209 case MachinePlaysBlack:
16210 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
16211 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
16214 if (forwardMostMove < 2) return;
16215 currentMove = forwardMostMove = forwardMostMove - 2;
16216 whiteTimeRemaining = timeRemaining[0][currentMove];
16217 blackTimeRemaining = timeRemaining[1][currentMove];
16218 DisplayBothClocks();
16219 DisplayMove(currentMove - 1);
16220 ClearHighlights();/*!! could figure this out*/
16221 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16222 SendToProgram("remove\n", &first);
16223 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16226 case BeginningOfGame:
16230 case IcsPlayingWhite:
16231 case IcsPlayingBlack:
16232 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16233 SendToICS(ics_prefix);
16234 SendToICS("takeback 2\n");
16236 SendToICS(ics_prefix);
16237 SendToICS("takeback 1\n");
16246 ChessProgramState *cps;
16248 switch (gameMode) {
16249 case MachinePlaysWhite:
16250 if (!WhiteOnMove(forwardMostMove)) {
16251 DisplayError(_("It is your turn"), 0);
16256 case MachinePlaysBlack:
16257 if (WhiteOnMove(forwardMostMove)) {
16258 DisplayError(_("It is your turn"), 0);
16263 case TwoMachinesPlay:
16264 if (WhiteOnMove(forwardMostMove) ==
16265 (first.twoMachinesColor[0] == 'w')) {
16271 case BeginningOfGame:
16275 SendToProgram("?\n", cps);
16279 TruncateGameEvent ()
16282 if (gameMode != EditGame) return;
16289 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16290 if (forwardMostMove > currentMove) {
16291 if (gameInfo.resultDetails != NULL) {
16292 free(gameInfo.resultDetails);
16293 gameInfo.resultDetails = NULL;
16294 gameInfo.result = GameUnfinished;
16296 forwardMostMove = currentMove;
16297 HistorySet(parseList, backwardMostMove, forwardMostMove,
16305 if (appData.noChessProgram) return;
16306 switch (gameMode) {
16307 case MachinePlaysWhite:
16308 if (WhiteOnMove(forwardMostMove)) {
16309 DisplayError(_("Wait until your turn."), 0);
16313 case BeginningOfGame:
16314 case MachinePlaysBlack:
16315 if (!WhiteOnMove(forwardMostMove)) {
16316 DisplayError(_("Wait until your turn."), 0);
16321 DisplayError(_("No hint available"), 0);
16324 SendToProgram("hint\n", &first);
16325 hintRequested = TRUE;
16329 SaveSelected (FILE *g, int dummy, char *dummy2)
16331 ListGame * lg = (ListGame *) gameList.head;
16335 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16336 DisplayError(_("Game list not loaded or empty"), 0);
16340 creatingBook = TRUE; // suppresses stuff during load game
16342 /* Get list size */
16343 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16344 if(lg->position >= 0) { // selected?
16345 LoadGame(f, nItem, "", TRUE);
16346 SaveGamePGN2(g); // leaves g open
16349 lg = (ListGame *) lg->node.succ;
16353 creatingBook = FALSE;
16361 ListGame * lg = (ListGame *) gameList.head;
16364 static int secondTime = FALSE;
16366 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16367 DisplayError(_("Game list not loaded or empty"), 0);
16371 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16374 DisplayNote(_("Book file exists! Try again for overwrite."));
16378 creatingBook = TRUE;
16379 secondTime = FALSE;
16381 /* Get list size */
16382 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16383 if(lg->position >= 0) {
16384 LoadGame(f, nItem, "", TRUE);
16385 AddGameToBook(TRUE);
16388 lg = (ListGame *) lg->node.succ;
16391 creatingBook = FALSE;
16398 if (appData.noChessProgram) return;
16399 switch (gameMode) {
16400 case MachinePlaysWhite:
16401 if (WhiteOnMove(forwardMostMove)) {
16402 DisplayError(_("Wait until your turn."), 0);
16406 case BeginningOfGame:
16407 case MachinePlaysBlack:
16408 if (!WhiteOnMove(forwardMostMove)) {
16409 DisplayError(_("Wait until your turn."), 0);
16414 EditPositionDone(TRUE);
16416 case TwoMachinesPlay:
16421 SendToProgram("bk\n", &first);
16422 bookOutput[0] = NULLCHAR;
16423 bookRequested = TRUE;
16429 char *tags = PGNTags(&gameInfo);
16430 TagsPopUp(tags, CmailMsg());
16434 /* end button procedures */
16437 PrintPosition (FILE *fp, int move)
16441 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16442 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16443 char c = PieceToChar(boards[move][i][j]);
16444 fputc(c == '?' ? '.' : c, fp);
16445 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16448 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16449 fprintf(fp, "white to play\n");
16451 fprintf(fp, "black to play\n");
16455 PrintOpponents (FILE *fp)
16457 if (gameInfo.white != NULL) {
16458 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16464 /* Find last component of program's own name, using some heuristics */
16466 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16469 int local = (strcmp(host, "localhost") == 0);
16470 while (!local && (p = strchr(prog, ';')) != NULL) {
16472 while (*p == ' ') p++;
16475 if (*prog == '"' || *prog == '\'') {
16476 q = strchr(prog + 1, *prog);
16478 q = strchr(prog, ' ');
16480 if (q == NULL) q = prog + strlen(prog);
16482 while (p >= prog && *p != '/' && *p != '\\') p--;
16484 if(p == prog && *p == '"') p++;
16486 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16487 memcpy(buf, p, q - p);
16488 buf[q - p] = NULLCHAR;
16496 TimeControlTagValue ()
16499 if (!appData.clockMode) {
16500 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16501 } else if (movesPerSession > 0) {
16502 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16503 } else if (timeIncrement == 0) {
16504 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16506 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16508 return StrSave(buf);
16514 /* This routine is used only for certain modes */
16515 VariantClass v = gameInfo.variant;
16516 ChessMove r = GameUnfinished;
16519 if(keepInfo) return;
16521 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16522 r = gameInfo.result;
16523 p = gameInfo.resultDetails;
16524 gameInfo.resultDetails = NULL;
16526 ClearGameInfo(&gameInfo);
16527 gameInfo.variant = v;
16529 switch (gameMode) {
16530 case MachinePlaysWhite:
16531 gameInfo.event = StrSave( appData.pgnEventHeader );
16532 gameInfo.site = StrSave(HostName());
16533 gameInfo.date = PGNDate();
16534 gameInfo.round = StrSave("-");
16535 gameInfo.white = StrSave(first.tidy);
16536 gameInfo.black = StrSave(UserName());
16537 gameInfo.timeControl = TimeControlTagValue();
16540 case MachinePlaysBlack:
16541 gameInfo.event = StrSave( appData.pgnEventHeader );
16542 gameInfo.site = StrSave(HostName());
16543 gameInfo.date = PGNDate();
16544 gameInfo.round = StrSave("-");
16545 gameInfo.white = StrSave(UserName());
16546 gameInfo.black = StrSave(first.tidy);
16547 gameInfo.timeControl = TimeControlTagValue();
16550 case TwoMachinesPlay:
16551 gameInfo.event = StrSave( appData.pgnEventHeader );
16552 gameInfo.site = StrSave(HostName());
16553 gameInfo.date = PGNDate();
16556 snprintf(buf, MSG_SIZ, "%d", roundNr);
16557 gameInfo.round = StrSave(buf);
16559 gameInfo.round = StrSave("-");
16561 if (first.twoMachinesColor[0] == 'w') {
16562 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16563 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16565 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16566 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16568 gameInfo.timeControl = TimeControlTagValue();
16572 gameInfo.event = StrSave("Edited game");
16573 gameInfo.site = StrSave(HostName());
16574 gameInfo.date = PGNDate();
16575 gameInfo.round = StrSave("-");
16576 gameInfo.white = StrSave("-");
16577 gameInfo.black = StrSave("-");
16578 gameInfo.result = r;
16579 gameInfo.resultDetails = p;
16583 gameInfo.event = StrSave("Edited position");
16584 gameInfo.site = StrSave(HostName());
16585 gameInfo.date = PGNDate();
16586 gameInfo.round = StrSave("-");
16587 gameInfo.white = StrSave("-");
16588 gameInfo.black = StrSave("-");
16591 case IcsPlayingWhite:
16592 case IcsPlayingBlack:
16597 case PlayFromGameFile:
16598 gameInfo.event = StrSave("Game from non-PGN file");
16599 gameInfo.site = StrSave(HostName());
16600 gameInfo.date = PGNDate();
16601 gameInfo.round = StrSave("-");
16602 gameInfo.white = StrSave("?");
16603 gameInfo.black = StrSave("?");
16612 ReplaceComment (int index, char *text)
16618 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16619 pvInfoList[index-1].depth == len &&
16620 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16621 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16622 while (*text == '\n') text++;
16623 len = strlen(text);
16624 while (len > 0 && text[len - 1] == '\n') len--;
16626 if (commentList[index] != NULL)
16627 free(commentList[index]);
16630 commentList[index] = NULL;
16633 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16634 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16635 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16636 commentList[index] = (char *) malloc(len + 2);
16637 strncpy(commentList[index], text, len);
16638 commentList[index][len] = '\n';
16639 commentList[index][len + 1] = NULLCHAR;
16641 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16643 commentList[index] = (char *) malloc(len + 7);
16644 safeStrCpy(commentList[index], "{\n", 3);
16645 safeStrCpy(commentList[index]+2, text, len+1);
16646 commentList[index][len+2] = NULLCHAR;
16647 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16648 strcat(commentList[index], "\n}\n");
16653 CrushCRs (char *text)
16661 if (ch == '\r') continue;
16663 } while (ch != '\0');
16667 AppendComment (int index, char *text, Boolean addBraces)
16668 /* addBraces tells if we should add {} */
16673 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16674 if(addBraces == 3) addBraces = 0; else // force appending literally
16675 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16678 while (*text == '\n') text++;
16679 len = strlen(text);
16680 while (len > 0 && text[len - 1] == '\n') len--;
16681 text[len] = NULLCHAR;
16683 if (len == 0) return;
16685 if (commentList[index] != NULL) {
16686 Boolean addClosingBrace = addBraces;
16687 old = commentList[index];
16688 oldlen = strlen(old);
16689 while(commentList[index][oldlen-1] == '\n')
16690 commentList[index][--oldlen] = NULLCHAR;
16691 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16692 safeStrCpy(commentList[index], old, oldlen + len + 6);
16694 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16695 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16696 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16697 while (*text == '\n') { text++; len--; }
16698 commentList[index][--oldlen] = NULLCHAR;
16700 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16701 else strcat(commentList[index], "\n");
16702 strcat(commentList[index], text);
16703 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16704 else strcat(commentList[index], "\n");
16706 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16708 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16709 else commentList[index][0] = NULLCHAR;
16710 strcat(commentList[index], text);
16711 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16712 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16717 FindStr (char * text, char * sub_text)
16719 char * result = strstr( text, sub_text );
16721 if( result != NULL ) {
16722 result += strlen( sub_text );
16728 /* [AS] Try to extract PV info from PGN comment */
16729 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16731 GetInfoFromComment (int index, char * text)
16733 char * sep = text, *p;
16735 if( text != NULL && index > 0 ) {
16738 int time = -1, sec = 0, deci;
16739 char * s_eval = FindStr( text, "[%eval " );
16740 char * s_emt = FindStr( text, "[%emt " );
16742 if( s_eval != NULL || s_emt != NULL ) {
16744 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16749 if( s_eval != NULL ) {
16750 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16754 if( delim != ']' ) {
16759 if( s_emt != NULL ) {
16764 /* We expect something like: [+|-]nnn.nn/dd */
16767 if(*text != '{') return text; // [HGM] braces: must be normal comment
16769 sep = strchr( text, '/' );
16770 if( sep == NULL || sep < (text+4) ) {
16775 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16776 if(p[1] == '(') { // comment starts with PV
16777 p = strchr(p, ')'); // locate end of PV
16778 if(p == NULL || sep < p+5) return text;
16779 // at this point we have something like "{(.*) +0.23/6 ..."
16780 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16781 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16782 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16784 time = -1; sec = -1; deci = -1;
16785 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16786 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16787 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16788 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16792 if( score_lo < 0 || score_lo >= 100 ) {
16796 if(sec >= 0) time = 600*time + 10*sec; else
16797 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16799 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16801 /* [HGM] PV time: now locate end of PV info */
16802 while( *++sep >= '0' && *sep <= '9'); // strip depth
16804 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16806 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16808 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16809 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16820 pvInfoList[index-1].depth = depth;
16821 pvInfoList[index-1].score = score;
16822 pvInfoList[index-1].time = 10*time; // centi-sec
16823 if(*sep == '}') *sep = 0; else *--sep = '{';
16825 while(*p++ = *sep++)
16828 } // squeeze out space between PV and comment, and return both
16834 SendToProgram (char *message, ChessProgramState *cps)
16836 int count, outCount, error;
16839 if (cps->pr == NoProc) return;
16842 if (appData.debugMode) {
16845 fprintf(debugFP, "%ld >%-6s: %s",
16846 SubtractTimeMarks(&now, &programStartTime),
16847 cps->which, message);
16849 fprintf(serverFP, "%ld >%-6s: %s",
16850 SubtractTimeMarks(&now, &programStartTime),
16851 cps->which, message), fflush(serverFP);
16854 count = strlen(message);
16855 outCount = OutputToProcess(cps->pr, message, count, &error);
16856 if (outCount < count && !exiting
16857 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16858 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16859 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16860 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16861 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16862 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16863 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16864 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16866 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16867 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16868 gameInfo.result = res;
16870 gameInfo.resultDetails = StrSave(buf);
16872 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16873 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16878 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16882 ChessProgramState *cps = (ChessProgramState *)closure;
16884 if (isr != cps->isr) return; /* Killed intentionally */
16887 RemoveInputSource(cps->isr);
16888 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16889 _(cps->which), cps->program);
16890 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16891 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16892 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16893 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16894 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16895 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16897 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16898 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16899 gameInfo.result = res;
16901 gameInfo.resultDetails = StrSave(buf);
16903 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16904 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16906 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16907 _(cps->which), cps->program);
16908 RemoveInputSource(cps->isr);
16910 /* [AS] Program is misbehaving badly... kill it */
16911 if( count == -2 ) {
16912 DestroyChildProcess( cps->pr, 9 );
16916 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16921 if ((end_str = strchr(message, '\r')) != NULL)
16922 *end_str = NULLCHAR;
16923 if ((end_str = strchr(message, '\n')) != NULL)
16924 *end_str = NULLCHAR;
16926 if (appData.debugMode) {
16927 TimeMark now; int print = 1;
16928 char *quote = ""; char c; int i;
16930 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16931 char start = message[0];
16932 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16933 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16934 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16935 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16936 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16937 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16938 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16939 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16940 sscanf(message, "hint: %c", &c)!=1 &&
16941 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16942 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16943 print = (appData.engineComments >= 2);
16945 message[0] = start; // restore original message
16949 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16950 SubtractTimeMarks(&now, &programStartTime), cps->which,
16954 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16955 SubtractTimeMarks(&now, &programStartTime), cps->which,
16957 message), fflush(serverFP);
16961 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16962 if (appData.icsEngineAnalyze) {
16963 if (strstr(message, "whisper") != NULL ||
16964 strstr(message, "kibitz") != NULL ||
16965 strstr(message, "tellics") != NULL) return;
16968 HandleMachineMove(message, cps);
16973 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16978 if( timeControl_2 > 0 ) {
16979 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16980 tc = timeControl_2;
16983 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16984 inc /= cps->timeOdds;
16985 st /= cps->timeOdds;
16987 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16990 /* Set exact time per move, normally using st command */
16991 if (cps->stKludge) {
16992 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16994 if (seconds == 0) {
16995 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16997 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
17000 snprintf(buf, MSG_SIZ, "st %d\n", st);
17003 /* Set conventional or incremental time control, using level command */
17004 if (seconds == 0) {
17005 /* Note old gnuchess bug -- minutes:seconds used to not work.
17006 Fixed in later versions, but still avoid :seconds
17007 when seconds is 0. */
17008 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
17010 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
17011 seconds, inc/1000.);
17014 SendToProgram(buf, cps);
17016 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
17017 /* Orthogonally, limit search to given depth */
17019 if (cps->sdKludge) {
17020 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
17022 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
17024 SendToProgram(buf, cps);
17027 if(cps->nps >= 0) { /* [HGM] nps */
17028 if(cps->supportsNPS == FALSE)
17029 cps->nps = -1; // don't use if engine explicitly says not supported!
17031 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
17032 SendToProgram(buf, cps);
17037 ChessProgramState *
17039 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
17041 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
17042 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
17048 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
17050 char message[MSG_SIZ];
17053 /* Note: this routine must be called when the clocks are stopped
17054 or when they have *just* been set or switched; otherwise
17055 it will be off by the time since the current tick started.
17057 if (machineWhite) {
17058 time = whiteTimeRemaining / 10;
17059 otime = blackTimeRemaining / 10;
17061 time = blackTimeRemaining / 10;
17062 otime = whiteTimeRemaining / 10;
17064 /* [HGM] translate opponent's time by time-odds factor */
17065 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
17067 if (time <= 0) time = 1;
17068 if (otime <= 0) otime = 1;
17070 snprintf(message, MSG_SIZ, "time %ld\n", time);
17071 SendToProgram(message, cps);
17073 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
17074 SendToProgram(message, cps);
17078 EngineDefinedVariant (ChessProgramState *cps, int n)
17079 { // return name of n-th unknown variant that engine supports
17080 static char buf[MSG_SIZ];
17081 char *p, *s = cps->variants;
17082 if(!s) return NULL;
17083 do { // parse string from variants feature
17085 p = strchr(s, ',');
17086 if(p) *p = NULLCHAR;
17087 v = StringToVariant(s);
17088 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
17089 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
17090 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
17091 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
17092 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
17093 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
17094 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
17097 if(n < 0) return buf;
17103 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17106 int len = strlen(name);
17109 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17111 sscanf(*p, "%d", &val);
17113 while (**p && **p != ' ')
17115 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17116 SendToProgram(buf, cps);
17123 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17126 int len = strlen(name);
17127 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17129 sscanf(*p, "%d", loc);
17130 while (**p && **p != ' ') (*p)++;
17131 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17132 SendToProgram(buf, cps);
17139 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
17142 int len = strlen(name);
17143 if (strncmp((*p), name, len) == 0
17144 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
17146 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
17147 sscanf(*p, "%[^\"]", *loc);
17148 while (**p && **p != '\"') (*p)++;
17149 if (**p == '\"') (*p)++;
17150 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17151 SendToProgram(buf, cps);
17158 ParseOption (Option *opt, ChessProgramState *cps)
17159 // [HGM] options: process the string that defines an engine option, and determine
17160 // name, type, default value, and allowed value range
17162 char *p, *q, buf[MSG_SIZ];
17163 int n, min = (-1)<<31, max = 1<<31, def;
17165 opt->target = &opt->value; // OK for spin/slider and checkbox
17166 if(p = strstr(opt->name, " -spin ")) {
17167 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17168 if(max < min) max = min; // enforce consistency
17169 if(def < min) def = min;
17170 if(def > max) def = max;
17175 } else if((p = strstr(opt->name, " -slider "))) {
17176 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
17177 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17178 if(max < min) max = min; // enforce consistency
17179 if(def < min) def = min;
17180 if(def > max) def = max;
17184 opt->type = Spin; // Slider;
17185 } else if((p = strstr(opt->name, " -string "))) {
17186 opt->textValue = p+9;
17187 opt->type = TextBox;
17188 opt->target = &opt->textValue;
17189 } else if((p = strstr(opt->name, " -file "))) {
17190 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17191 opt->target = opt->textValue = p+7;
17192 opt->type = FileName; // FileName;
17193 opt->target = &opt->textValue;
17194 } else if((p = strstr(opt->name, " -path "))) {
17195 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17196 opt->target = opt->textValue = p+7;
17197 opt->type = PathName; // PathName;
17198 opt->target = &opt->textValue;
17199 } else if(p = strstr(opt->name, " -check ")) {
17200 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
17201 opt->value = (def != 0);
17202 opt->type = CheckBox;
17203 } else if(p = strstr(opt->name, " -combo ")) {
17204 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
17205 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
17206 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
17207 opt->value = n = 0;
17208 while(q = StrStr(q, " /// ")) {
17209 n++; *q = 0; // count choices, and null-terminate each of them
17211 if(*q == '*') { // remember default, which is marked with * prefix
17215 cps->comboList[cps->comboCnt++] = q;
17217 cps->comboList[cps->comboCnt++] = NULL;
17219 opt->type = ComboBox;
17220 } else if(p = strstr(opt->name, " -button")) {
17221 opt->type = Button;
17222 } else if(p = strstr(opt->name, " -save")) {
17223 opt->type = SaveButton;
17224 } else return FALSE;
17225 *p = 0; // terminate option name
17226 // now look if the command-line options define a setting for this engine option.
17227 if(cps->optionSettings && cps->optionSettings[0])
17228 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17229 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17230 snprintf(buf, MSG_SIZ, "option %s", p);
17231 if(p = strstr(buf, ",")) *p = 0;
17232 if(q = strchr(buf, '=')) switch(opt->type) {
17234 for(n=0; n<opt->max; n++)
17235 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17238 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17242 opt->value = atoi(q+1);
17247 SendToProgram(buf, cps);
17253 FeatureDone (ChessProgramState *cps, int val)
17255 DelayedEventCallback cb = GetDelayedEvent();
17256 if ((cb == InitBackEnd3 && cps == &first) ||
17257 (cb == SettingsMenuIfReady && cps == &second) ||
17258 (cb == LoadEngine) ||
17259 (cb == TwoMachinesEventIfReady)) {
17260 CancelDelayedEvent();
17261 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17262 } else if(!val && !cps->reload) ClearOptions(cps); // let 'spurious' done=0 clear engine's option list
17263 cps->initDone = val;
17264 if(val) cps->reload = FALSE, RefreshSettingsDialog(cps, val);
17267 /* Parse feature command from engine */
17269 ParseFeatures (char *args, ChessProgramState *cps)
17277 while (*p == ' ') p++;
17278 if (*p == NULLCHAR) return;
17280 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17281 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17282 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17283 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17284 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17285 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17286 if (BoolFeature(&p, "reuse", &val, cps)) {
17287 /* Engine can disable reuse, but can't enable it if user said no */
17288 if (!val) cps->reuse = FALSE;
17291 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17292 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17293 if (gameMode == TwoMachinesPlay) {
17294 DisplayTwoMachinesTitle();
17300 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17301 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17302 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17303 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17304 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17305 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17306 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17307 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17308 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17309 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17310 if (IntFeature(&p, "done", &val, cps)) {
17311 FeatureDone(cps, val);
17314 /* Added by Tord: */
17315 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17316 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17317 /* End of additions by Tord */
17319 /* [HGM] added features: */
17320 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17321 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17322 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17323 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17324 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17325 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17326 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17327 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17328 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17329 FREE(cps->option[cps->nrOptions].name);
17330 cps->option[cps->nrOptions].name = q; q = NULL;
17331 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17332 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17333 SendToProgram(buf, cps);
17336 if(cps->nrOptions >= MAX_OPTIONS) {
17338 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17339 DisplayError(buf, 0);
17343 /* End of additions by HGM */
17345 /* unknown feature: complain and skip */
17347 while (*q && *q != '=') q++;
17348 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17349 SendToProgram(buf, cps);
17355 while (*p && *p != '\"') p++;
17356 if (*p == '\"') p++;
17358 while (*p && *p != ' ') p++;
17366 PeriodicUpdatesEvent (int newState)
17368 if (newState == appData.periodicUpdates)
17371 appData.periodicUpdates=newState;
17373 /* Display type changes, so update it now */
17374 // DisplayAnalysis();
17376 /* Get the ball rolling again... */
17378 AnalysisPeriodicEvent(1);
17379 StartAnalysisClock();
17384 PonderNextMoveEvent (int newState)
17386 if (newState == appData.ponderNextMove) return;
17387 if (gameMode == EditPosition) EditPositionDone(TRUE);
17389 SendToProgram("hard\n", &first);
17390 if (gameMode == TwoMachinesPlay) {
17391 SendToProgram("hard\n", &second);
17394 SendToProgram("easy\n", &first);
17395 thinkOutput[0] = NULLCHAR;
17396 if (gameMode == TwoMachinesPlay) {
17397 SendToProgram("easy\n", &second);
17400 appData.ponderNextMove = newState;
17404 NewSettingEvent (int option, int *feature, char *command, int value)
17408 if (gameMode == EditPosition) EditPositionDone(TRUE);
17409 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17410 if(feature == NULL || *feature) SendToProgram(buf, &first);
17411 if (gameMode == TwoMachinesPlay) {
17412 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17417 ShowThinkingEvent ()
17418 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17420 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17421 int newState = appData.showThinking
17422 // [HGM] thinking: other features now need thinking output as well
17423 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17425 if (oldState == newState) return;
17426 oldState = newState;
17427 if (gameMode == EditPosition) EditPositionDone(TRUE);
17429 SendToProgram("post\n", &first);
17430 if (gameMode == TwoMachinesPlay) {
17431 SendToProgram("post\n", &second);
17434 SendToProgram("nopost\n", &first);
17435 thinkOutput[0] = NULLCHAR;
17436 if (gameMode == TwoMachinesPlay) {
17437 SendToProgram("nopost\n", &second);
17440 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17444 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17446 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17447 if (pr == NoProc) return;
17448 AskQuestion(title, question, replyPrefix, pr);
17452 TypeInEvent (char firstChar)
17454 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17455 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17456 gameMode == AnalyzeMode || gameMode == EditGame ||
17457 gameMode == EditPosition || gameMode == IcsExamining ||
17458 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17459 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17460 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17461 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17462 gameMode == Training) PopUpMoveDialog(firstChar);
17466 TypeInDoneEvent (char *move)
17469 int n, fromX, fromY, toX, toY;
17471 ChessMove moveType;
17474 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17475 EditPositionPasteFEN(move);
17478 // [HGM] movenum: allow move number to be typed in any mode
17479 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17483 // undocumented kludge: allow command-line option to be typed in!
17484 // (potentially fatal, and does not implement the effect of the option.)
17485 // should only be used for options that are values on which future decisions will be made,
17486 // and definitely not on options that would be used during initialization.
17487 if(strstr(move, "!!! -") == move) {
17488 ParseArgsFromString(move+4);
17492 if (gameMode != EditGame && currentMove != forwardMostMove &&
17493 gameMode != Training) {
17494 DisplayMoveError(_("Displayed move is not current"));
17496 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17497 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17498 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17499 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17500 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17501 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17503 DisplayMoveError(_("Could not parse move"));
17509 DisplayMove (int moveNumber)
17511 char message[MSG_SIZ];
17513 char cpThinkOutput[MSG_SIZ];
17515 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17517 if (moveNumber == forwardMostMove - 1 ||
17518 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17520 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17522 if (strchr(cpThinkOutput, '\n')) {
17523 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17526 *cpThinkOutput = NULLCHAR;
17529 /* [AS] Hide thinking from human user */
17530 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17531 *cpThinkOutput = NULLCHAR;
17532 if( thinkOutput[0] != NULLCHAR ) {
17535 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17536 cpThinkOutput[i] = '.';
17538 cpThinkOutput[i] = NULLCHAR;
17539 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17543 if (moveNumber == forwardMostMove - 1 &&
17544 gameInfo.resultDetails != NULL) {
17545 if (gameInfo.resultDetails[0] == NULLCHAR) {
17546 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17548 snprintf(res, MSG_SIZ, " {%s} %s",
17549 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17555 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17556 DisplayMessage(res, cpThinkOutput);
17558 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17559 WhiteOnMove(moveNumber) ? " " : ".. ",
17560 parseList[moveNumber], res);
17561 DisplayMessage(message, cpThinkOutput);
17566 DisplayComment (int moveNumber, char *text)
17568 char title[MSG_SIZ];
17570 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17571 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17573 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17574 WhiteOnMove(moveNumber) ? " " : ".. ",
17575 parseList[moveNumber]);
17577 if (text != NULL && (appData.autoDisplayComment || commentUp))
17578 CommentPopUp(title, text);
17581 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17582 * might be busy thinking or pondering. It can be omitted if your
17583 * gnuchess is configured to stop thinking immediately on any user
17584 * input. However, that gnuchess feature depends on the FIONREAD
17585 * ioctl, which does not work properly on some flavors of Unix.
17588 Attention (ChessProgramState *cps)
17591 if (!cps->useSigint) return;
17592 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17593 switch (gameMode) {
17594 case MachinePlaysWhite:
17595 case MachinePlaysBlack:
17596 case TwoMachinesPlay:
17597 case IcsPlayingWhite:
17598 case IcsPlayingBlack:
17601 /* Skip if we know it isn't thinking */
17602 if (!cps->maybeThinking) return;
17603 if (appData.debugMode)
17604 fprintf(debugFP, "Interrupting %s\n", cps->which);
17605 InterruptChildProcess(cps->pr);
17606 cps->maybeThinking = FALSE;
17611 #endif /*ATTENTION*/
17617 if (whiteTimeRemaining <= 0) {
17620 if (appData.icsActive) {
17621 if (appData.autoCallFlag &&
17622 gameMode == IcsPlayingBlack && !blackFlag) {
17623 SendToICS(ics_prefix);
17624 SendToICS("flag\n");
17628 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17630 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17631 if (appData.autoCallFlag) {
17632 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17639 if (blackTimeRemaining <= 0) {
17642 if (appData.icsActive) {
17643 if (appData.autoCallFlag &&
17644 gameMode == IcsPlayingWhite && !whiteFlag) {
17645 SendToICS(ics_prefix);
17646 SendToICS("flag\n");
17650 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17652 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17653 if (appData.autoCallFlag) {
17654 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17665 CheckTimeControl ()
17667 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17668 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17671 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17673 if ( !WhiteOnMove(forwardMostMove) ) {
17674 /* White made time control */
17675 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17676 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17677 /* [HGM] time odds: correct new time quota for time odds! */
17678 / WhitePlayer()->timeOdds;
17679 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17681 lastBlack -= blackTimeRemaining;
17682 /* Black made time control */
17683 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17684 / WhitePlayer()->other->timeOdds;
17685 lastWhite = whiteTimeRemaining;
17690 DisplayBothClocks ()
17692 int wom = gameMode == EditPosition ?
17693 !blackPlaysFirst : WhiteOnMove(currentMove);
17694 DisplayWhiteClock(whiteTimeRemaining, wom);
17695 DisplayBlackClock(blackTimeRemaining, !wom);
17699 /* Timekeeping seems to be a portability nightmare. I think everyone
17700 has ftime(), but I'm really not sure, so I'm including some ifdefs
17701 to use other calls if you don't. Clocks will be less accurate if
17702 you have neither ftime nor gettimeofday.
17705 /* VS 2008 requires the #include outside of the function */
17706 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17707 #include <sys/timeb.h>
17710 /* Get the current time as a TimeMark */
17712 GetTimeMark (TimeMark *tm)
17714 #if HAVE_GETTIMEOFDAY
17716 struct timeval timeVal;
17717 struct timezone timeZone;
17719 gettimeofday(&timeVal, &timeZone);
17720 tm->sec = (long) timeVal.tv_sec;
17721 tm->ms = (int) (timeVal.tv_usec / 1000L);
17723 #else /*!HAVE_GETTIMEOFDAY*/
17726 // include <sys/timeb.h> / moved to just above start of function
17727 struct timeb timeB;
17730 tm->sec = (long) timeB.time;
17731 tm->ms = (int) timeB.millitm;
17733 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17734 tm->sec = (long) time(NULL);
17740 /* Return the difference in milliseconds between two
17741 time marks. We assume the difference will fit in a long!
17744 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17746 return 1000L*(tm2->sec - tm1->sec) +
17747 (long) (tm2->ms - tm1->ms);
17752 * Code to manage the game clocks.
17754 * In tournament play, black starts the clock and then white makes a move.
17755 * We give the human user a slight advantage if he is playing white---the
17756 * clocks don't run until he makes his first move, so it takes zero time.
17757 * Also, we don't account for network lag, so we could get out of sync
17758 * with GNU Chess's clock -- but then, referees are always right.
17761 static TimeMark tickStartTM;
17762 static long intendedTickLength;
17765 NextTickLength (long timeRemaining)
17767 long nominalTickLength, nextTickLength;
17769 if (timeRemaining > 0L && timeRemaining <= 10000L)
17770 nominalTickLength = 100L;
17772 nominalTickLength = 1000L;
17773 nextTickLength = timeRemaining % nominalTickLength;
17774 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17776 return nextTickLength;
17779 /* Adjust clock one minute up or down */
17781 AdjustClock (Boolean which, int dir)
17783 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17784 if(which) blackTimeRemaining += 60000*dir;
17785 else whiteTimeRemaining += 60000*dir;
17786 DisplayBothClocks();
17787 adjustedClock = TRUE;
17790 /* Stop clocks and reset to a fresh time control */
17794 (void) StopClockTimer();
17795 if (appData.icsActive) {
17796 whiteTimeRemaining = blackTimeRemaining = 0;
17797 } else if (searchTime) {
17798 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17799 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17800 } else { /* [HGM] correct new time quote for time odds */
17801 whiteTC = blackTC = fullTimeControlString;
17802 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17803 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17805 if (whiteFlag || blackFlag) {
17807 whiteFlag = blackFlag = FALSE;
17809 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17810 DisplayBothClocks();
17811 adjustedClock = FALSE;
17814 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17816 static int timeSuffix; // [HGM] This should realy be a passed parameter, but it has to pass through too many levels for my laziness...
17818 /* Decrement running clock by amount of time that has passed */
17823 long lastTickLength, fudge;
17826 if (!appData.clockMode) return;
17827 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17831 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17833 /* Fudge if we woke up a little too soon */
17834 fudge = intendedTickLength - lastTickLength;
17835 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17837 if (WhiteOnMove(forwardMostMove)) {
17838 if(whiteNPS >= 0) lastTickLength = 0;
17839 tRemaining = whiteTimeRemaining -= lastTickLength;
17840 if( tRemaining < 0 && !appData.icsActive) {
17841 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17842 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17843 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17844 lastWhite= tRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17847 if(forwardMostMove && appData.moveTime) timeSuffix = timeRemaining[0][forwardMostMove-1] - tRemaining;
17848 DisplayWhiteClock(whiteTimeRemaining - fudge,
17849 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17852 if(blackNPS >= 0) lastTickLength = 0;
17853 tRemaining = blackTimeRemaining -= lastTickLength;
17854 if( tRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17855 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17857 blackStartMove = forwardMostMove;
17858 lastBlack = tRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17861 if(forwardMostMove && appData.moveTime) timeSuffix = timeRemaining[1][forwardMostMove-1] - tRemaining;
17862 DisplayBlackClock(blackTimeRemaining - fudge,
17863 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17866 if (CheckFlags()) return;
17868 if(twoBoards) { // count down secondary board's clocks as well
17869 activePartnerTime -= lastTickLength;
17871 if(activePartner == 'W')
17872 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17874 DisplayBlackClock(activePartnerTime, TRUE);
17879 intendedTickLength = NextTickLength( tRemaining - fudge) + fudge;
17880 StartClockTimer(intendedTickLength);
17882 /* if the time remaining has fallen below the alarm threshold, sound the
17883 * alarm. if the alarm has sounded and (due to a takeback or time control
17884 * with increment) the time remaining has increased to a level above the
17885 * threshold, reset the alarm so it can sound again.
17888 if (appData.icsActive && appData.icsAlarm) {
17890 /* make sure we are dealing with the user's clock */
17891 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17892 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17895 if (alarmSounded && ( tRemaining > appData.icsAlarmTime)) {
17896 alarmSounded = FALSE;
17897 } else if (!alarmSounded && ( tRemaining <= appData.icsAlarmTime)) {
17899 alarmSounded = TRUE;
17905 /* A player has just moved, so stop the previously running
17906 clock and (if in clock mode) start the other one.
17907 We redisplay both clocks in case we're in ICS mode, because
17908 ICS gives us an update to both clocks after every move.
17909 Note that this routine is called *after* forwardMostMove
17910 is updated, so the last fractional tick must be subtracted
17911 from the color that is *not* on move now.
17914 SwitchClocks (int newMoveNr)
17916 long lastTickLength;
17918 int flagged = FALSE;
17922 if (StopClockTimer() && appData.clockMode) {
17923 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17924 if (!WhiteOnMove(forwardMostMove)) {
17925 if(blackNPS >= 0) lastTickLength = 0;
17926 blackTimeRemaining -= lastTickLength;
17927 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17928 // if(pvInfoList[forwardMostMove].time == -1)
17929 pvInfoList[forwardMostMove].time = // use GUI time
17930 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17932 if(whiteNPS >= 0) lastTickLength = 0;
17933 whiteTimeRemaining -= lastTickLength;
17934 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17935 // if(pvInfoList[forwardMostMove].time == -1)
17936 pvInfoList[forwardMostMove].time =
17937 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17939 flagged = CheckFlags();
17941 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17942 CheckTimeControl();
17944 if (flagged || !appData.clockMode) return;
17946 switch (gameMode) {
17947 case MachinePlaysBlack:
17948 case MachinePlaysWhite:
17949 case BeginningOfGame:
17950 if (pausing) return;
17954 case PlayFromGameFile:
17962 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17963 if(WhiteOnMove(forwardMostMove))
17964 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17965 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17969 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17970 whiteTimeRemaining : blackTimeRemaining);
17971 StartClockTimer(intendedTickLength);
17975 /* Stop both clocks */
17979 long lastTickLength;
17982 if (!StopClockTimer()) return;
17983 if (!appData.clockMode) return;
17987 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17988 if (WhiteOnMove(forwardMostMove)) {
17989 if(whiteNPS >= 0) lastTickLength = 0;
17990 whiteTimeRemaining -= lastTickLength;
17991 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17993 if(blackNPS >= 0) lastTickLength = 0;
17994 blackTimeRemaining -= lastTickLength;
17995 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
18000 /* Start clock of player on move. Time may have been reset, so
18001 if clock is already running, stop and restart it. */
18005 (void) StopClockTimer(); /* in case it was running already */
18006 DisplayBothClocks();
18007 if (CheckFlags()) return;
18009 if (!appData.clockMode) return;
18010 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
18012 GetTimeMark(&tickStartTM);
18013 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
18014 whiteTimeRemaining : blackTimeRemaining);
18016 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
18017 whiteNPS = blackNPS = -1;
18018 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
18019 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
18020 whiteNPS = first.nps;
18021 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
18022 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
18023 blackNPS = first.nps;
18024 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
18025 whiteNPS = second.nps;
18026 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
18027 blackNPS = second.nps;
18028 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
18030 StartClockTimer(intendedTickLength);
18034 TimeString (long ms)
18036 long second, minute, hour, day;
18038 static char buf[40], moveTime[8];
18040 if (ms > 0 && ms <= 9900) {
18041 /* convert milliseconds to tenths, rounding up */
18042 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
18044 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
18048 /* convert milliseconds to seconds, rounding up */
18049 /* use floating point to avoid strangeness of integer division
18050 with negative dividends on many machines */
18051 second = (long) floor(((double) (ms + 999L)) / 1000.0);
18058 day = second / (60 * 60 * 24);
18059 second = second % (60 * 60 * 24);
18060 hour = second / (60 * 60);
18061 second = second % (60 * 60);
18062 minute = second / 60;
18063 second = second % 60;
18065 if(timeSuffix) snprintf(moveTime, 8, " (%d)", timeSuffix/1000); // [HGM] kludge alert; fraction contains move time
18066 else *moveTime = NULLCHAR;
18069 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld%s ",
18070 sign, day, hour, minute, second, moveTime);
18072 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld%s ", sign, hour, minute, second, moveTime);
18074 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld%s ", sign, minute, second, moveTime);
18081 * This is necessary because some C libraries aren't ANSI C compliant yet.
18084 StrStr (char *string, char *match)
18088 length = strlen(match);
18090 for (i = strlen(string) - length; i >= 0; i--, string++)
18091 if (!strncmp(match, string, length))
18098 StrCaseStr (char *string, char *match)
18102 length = strlen(match);
18104 for (i = strlen(string) - length; i >= 0; i--, string++) {
18105 for (j = 0; j < length; j++) {
18106 if (ToLower(match[j]) != ToLower(string[j]))
18109 if (j == length) return string;
18117 StrCaseCmp (char *s1, char *s2)
18122 c1 = ToLower(*s1++);
18123 c2 = ToLower(*s2++);
18124 if (c1 > c2) return 1;
18125 if (c1 < c2) return -1;
18126 if (c1 == NULLCHAR) return 0;
18134 return isupper(c) ? tolower(c) : c;
18141 return islower(c) ? toupper(c) : c;
18143 #endif /* !_amigados */
18150 if ((ret = (char *) malloc(strlen(s) + 1)))
18152 safeStrCpy(ret, s, strlen(s)+1);
18158 StrSavePtr (char *s, char **savePtr)
18163 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
18164 safeStrCpy(*savePtr, s, strlen(s)+1);
18176 clock = time((time_t *)NULL);
18177 tm = localtime(&clock);
18178 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
18179 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
18180 return StrSave(buf);
18185 PositionToFEN (int move, char *overrideCastling, int moveCounts)
18187 int i, j, fromX, fromY, toX, toY;
18188 int whiteToPlay, haveRights = nrCastlingRights;
18194 whiteToPlay = (gameMode == EditPosition) ?
18195 !blackPlaysFirst : (move % 2 == 0);
18198 /* Piece placement data */
18199 for (i = BOARD_HEIGHT - 1 - deadRanks; i >= 0; i--) {
18200 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
18202 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
18203 if (boards[move][i][j] == EmptySquare) {
18205 } else { ChessSquare piece = boards[move][i][j];
18206 if (emptycount > 0) {
18207 if(emptycount<10) /* [HGM] can be >= 10 */
18208 *p++ = '0' + emptycount;
18209 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18212 if(PieceToChar(piece) == '+') {
18213 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
18215 piece = (ChessSquare)(CHUDEMOTED(piece));
18217 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
18218 if(*p = PieceSuffix(piece)) p++;
18220 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
18221 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED(piece)));
18226 if (emptycount > 0) {
18227 if(emptycount<10) /* [HGM] can be >= 10 */
18228 *p++ = '0' + emptycount;
18229 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18236 /* [HGM] print Crazyhouse or Shogi holdings */
18237 if( gameInfo.holdingsWidth ) {
18238 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18240 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18241 piece = boards[move][i][BOARD_WIDTH-1];
18242 if( piece != EmptySquare )
18243 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18244 *p++ = PieceToChar(piece);
18246 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18247 piece = boards[move][BOARD_HEIGHT-i-1][0];
18248 if( piece != EmptySquare )
18249 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
18250 *p++ = PieceToChar(piece);
18253 if( q == p ) *p++ = '-';
18259 *p++ = whiteToPlay ? 'w' : 'b';
18262 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18263 haveRights = 0; q = p;
18264 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18265 piece = boards[move][0][i];
18266 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18267 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18270 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18271 piece = boards[move][BOARD_HEIGHT-1][i];
18272 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18273 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18276 if(p == q) *p++ = '-';
18280 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18283 if(q != overrideCastling+1) p[-1] = ' '; else --p;
18286 int handW=0, handB=0;
18287 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18288 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18289 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18292 if(appData.fischerCastling) {
18293 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18294 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18295 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18297 /* [HGM] write directly from rights */
18298 if(boards[move][CASTLING][2] != NoRights &&
18299 boards[move][CASTLING][0] != NoRights )
18300 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18301 if(boards[move][CASTLING][2] != NoRights &&
18302 boards[move][CASTLING][1] != NoRights )
18303 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18306 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18307 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18309 if(boards[move][CASTLING][5] != NoRights &&
18310 boards[move][CASTLING][3] != NoRights )
18311 *p++ = boards[move][CASTLING][3] + AAA;
18312 if(boards[move][CASTLING][5] != NoRights &&
18313 boards[move][CASTLING][4] != NoRights )
18314 *p++ = boards[move][CASTLING][4] + AAA;
18318 /* [HGM] write true castling rights */
18319 if( nrCastlingRights == 6 ) {
18321 if(boards[move][CASTLING][0] != NoRights &&
18322 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18323 q = (boards[move][CASTLING][1] != NoRights &&
18324 boards[move][CASTLING][2] != NoRights );
18325 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18326 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18327 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18328 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18332 if(boards[move][CASTLING][3] != NoRights &&
18333 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18334 q = (boards[move][CASTLING][4] != NoRights &&
18335 boards[move][CASTLING][5] != NoRights );
18337 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18338 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18339 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18344 if (q == p) *p++ = '-'; /* No castling rights */
18348 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18349 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18350 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18351 /* En passant target square */
18352 if (move > backwardMostMove) {
18353 fromX = moveList[move - 1][0] - AAA;
18354 fromY = moveList[move - 1][1] - ONE;
18355 toX = moveList[move - 1][2] - AAA;
18356 toY = moveList[move - 1][3] - ONE;
18357 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
18358 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
18359 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
18361 /* 2-square pawn move just happened */
18363 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18367 } else if(move == backwardMostMove) {
18368 // [HGM] perhaps we should always do it like this, and forget the above?
18369 if((signed char)boards[move][EP_STATUS] >= 0) {
18370 *p++ = boards[move][EP_STATUS] + AAA;
18371 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18383 { int i = 0, j=move;
18385 /* [HGM] find reversible plies */
18386 if (appData.debugMode) { int k;
18387 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18388 for(k=backwardMostMove; k<=forwardMostMove; k++)
18389 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18393 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18394 if( j == backwardMostMove ) i += initialRulePlies;
18395 sprintf(p, "%d ", i);
18396 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18398 /* Fullmove number */
18399 sprintf(p, "%d", (move / 2) + 1);
18400 } else *--p = NULLCHAR;
18402 return StrSave(buf);
18406 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18408 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18410 int emptycount, virgin[BOARD_FILES];
18411 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18415 for(i=1; i<=deadRanks; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) board[BOARD_HEIGHT-i][j] = DarkSquare;
18417 /* Piece placement data */
18418 for (i = BOARD_HEIGHT - 1 - deadRanks; i >= 0; i--) {
18421 if (*p == '/' || *p == ' ' || *p == '[' ) {
18423 emptycount = gameInfo.boardWidth - j;
18424 while (emptycount--)
18425 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18426 if (*p == '/') p++;
18427 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18428 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18429 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18431 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18434 #if(BOARD_FILES >= 10)*0
18435 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18436 p++; emptycount=10;
18437 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18438 while (emptycount--)
18439 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18441 } else if (*p == '*') {
18442 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18443 } else if (isdigit(*p)) {
18444 emptycount = *p++ - '0';
18445 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18446 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18447 while (emptycount--)
18448 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18449 } else if (*p == '<') {
18450 if(i == BOARD_HEIGHT-1) shuffle = 1;
18451 else if (i != 0 || !shuffle) return FALSE;
18453 } else if (shuffle && *p == '>') {
18454 p++; // for now ignore closing shuffle range, and assume rank-end
18455 } else if (*p == '?') {
18456 if (j >= gameInfo.boardWidth) return FALSE;
18457 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18458 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18459 } else if (*p == '+' || isalpha(*p)) {
18460 char *q, *s = SUFFIXES;
18461 if (j >= gameInfo.boardWidth) return FALSE;
18464 if(q = strchr(s, p[1])) p++;
18465 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18466 if(piece == EmptySquare) return FALSE; /* unknown piece */
18467 piece = (ChessSquare) (CHUPROMOTED(piece)); p++;
18468 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18471 if(q = strchr(s, *p)) p++;
18472 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18475 if(piece==EmptySquare) return FALSE; /* unknown piece */
18476 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18477 piece = (ChessSquare) (PROMOTED(piece));
18478 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18481 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18482 if(piece == king) wKingRank = i;
18483 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18489 while (*p == '/' || *p == ' ') p++;
18491 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18493 /* [HGM] by default clear Crazyhouse holdings, if present */
18494 if(gameInfo.holdingsWidth) {
18495 for(i=0; i<BOARD_HEIGHT; i++) {
18496 board[i][0] = EmptySquare; /* black holdings */
18497 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18498 board[i][1] = (ChessSquare) 0; /* black counts */
18499 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18503 /* [HGM] look for Crazyhouse holdings here */
18504 while(*p==' ') p++;
18505 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18506 int swap=0, wcnt=0, bcnt=0;
18508 if(*p == '<') swap++, p++;
18509 if(*p == '-' ) p++; /* empty holdings */ else {
18510 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18511 /* if we would allow FEN reading to set board size, we would */
18512 /* have to add holdings and shift the board read so far here */
18513 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18515 if((int) piece >= (int) BlackPawn ) {
18516 i = (int)piece - (int)BlackPawn;
18517 i = PieceToNumber((ChessSquare)i);
18518 if( i >= gameInfo.holdingsSize ) return FALSE;
18519 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18520 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18523 i = (int)piece - (int)WhitePawn;
18524 i = PieceToNumber((ChessSquare)i);
18525 if( i >= gameInfo.holdingsSize ) return FALSE;
18526 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18527 board[i][BOARD_WIDTH-2]++; /* black holdings */
18531 if(subst) { // substitute back-rank question marks by holdings pieces
18532 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18533 int k, m, n = bcnt + 1;
18534 if(board[0][j] == ClearBoard) {
18535 if(!wcnt) return FALSE;
18537 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18538 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18539 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18543 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18544 if(!bcnt) return FALSE;
18545 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18546 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18547 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18548 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18559 if(subst) return FALSE; // substitution requested, but no holdings
18561 while(*p == ' ') p++;
18565 if(appData.colorNickNames) {
18566 if( c == appData.colorNickNames[0] ) c = 'w'; else
18567 if( c == appData.colorNickNames[1] ) c = 'b';
18571 *blackPlaysFirst = FALSE;
18574 *blackPlaysFirst = TRUE;
18580 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18581 /* return the extra info in global variiables */
18583 while(*p==' ') p++;
18585 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18586 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18587 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18590 /* set defaults in case FEN is incomplete */
18591 board[EP_STATUS] = EP_UNKNOWN;
18592 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18593 for(i=0; i<nrCastlingRights; i++ ) {
18594 board[CASTLING][i] =
18595 appData.fischerCastling ? NoRights : initialRights[i];
18596 } /* assume possible unless obviously impossible */
18597 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18598 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18599 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18600 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18601 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18602 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18603 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18604 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18607 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18610 while(isalpha(*p)) {
18611 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18612 if(islower(*p)) b |= 1 << (*p++ - 'a');
18616 board[TOUCHED_W] = ~w;
18617 board[TOUCHED_B] = ~b;
18618 while(*p == ' ') p++;
18622 if(nrCastlingRights) {
18624 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18625 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18626 /* castling indicator present, so default becomes no castlings */
18627 for(i=0; i<nrCastlingRights; i++ ) {
18628 board[CASTLING][i] = NoRights;
18631 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18632 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18633 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18634 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18635 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18637 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18638 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18639 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18641 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18642 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18643 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18644 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18645 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18646 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18649 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18650 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18651 board[CASTLING][2] = whiteKingFile;
18652 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18653 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18654 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18657 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18658 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18659 board[CASTLING][2] = whiteKingFile;
18660 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18661 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18662 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18665 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18666 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18667 board[CASTLING][5] = blackKingFile;
18668 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18669 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18670 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18673 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18674 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18675 board[CASTLING][5] = blackKingFile;
18676 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18677 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18678 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18681 default: /* FRC castlings */
18682 if(c >= 'a') { /* black rights */
18683 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18684 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18685 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18686 if(i == BOARD_RGHT) break;
18687 board[CASTLING][5] = i;
18689 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18690 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18692 board[CASTLING][3] = c;
18694 board[CASTLING][4] = c;
18695 } else { /* white rights */
18696 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18697 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18698 if(board[0][i] == WhiteKing) break;
18699 if(i == BOARD_RGHT) break;
18700 board[CASTLING][2] = i;
18701 c -= AAA - 'a' + 'A';
18702 if(board[0][c] >= WhiteKing) break;
18704 board[CASTLING][0] = c;
18706 board[CASTLING][1] = c;
18710 for(i=0; i<nrCastlingRights; i++)
18711 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18712 if(gameInfo.variant == VariantSChess)
18713 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18714 if(fischer && shuffle) appData.fischerCastling = TRUE;
18715 if (appData.debugMode) {
18716 fprintf(debugFP, "FEN castling rights:");
18717 for(i=0; i<nrCastlingRights; i++)
18718 fprintf(debugFP, " %d", board[CASTLING][i]);
18719 fprintf(debugFP, "\n");
18722 while(*p==' ') p++;
18725 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18727 /* read e.p. field in games that know e.p. capture */
18728 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18729 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18730 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18732 p++; board[EP_STATUS] = EP_NONE;
18734 char c = *p++ - AAA;
18736 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18737 if(*p >= '0' && *p <='9') p++;
18738 board[EP_STATUS] = c;
18743 if(sscanf(p, "%d", &i) == 1) {
18744 FENrulePlies = i; /* 50-move ply counter */
18745 /* (The move number is still ignored) */
18752 EditPositionPasteFEN (char *fen)
18755 Board initial_position;
18757 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18758 DisplayError(_("Bad FEN position in clipboard"), 0);
18761 int savedBlackPlaysFirst = blackPlaysFirst;
18762 EditPositionEvent();
18763 blackPlaysFirst = savedBlackPlaysFirst;
18764 CopyBoard(boards[0], initial_position);
18765 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18766 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18767 DisplayBothClocks();
18768 DrawPosition(FALSE, boards[currentMove]);
18773 static char cseq[12] = "\\ ";
18776 set_cont_sequence (char *new_seq)
18781 // handle bad attempts to set the sequence
18783 return 0; // acceptable error - no debug
18785 len = strlen(new_seq);
18786 ret = (len > 0) && (len < sizeof(cseq));
18788 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18789 else if (appData.debugMode)
18790 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18795 reformat a source message so words don't cross the width boundary. internal
18796 newlines are not removed. returns the wrapped size (no null character unless
18797 included in source message). If dest is NULL, only calculate the size required
18798 for the dest buffer. lp argument indicats line position upon entry, and it's
18799 passed back upon exit.
18802 wrap (char *dest, char *src, int count, int width, int *lp)
18804 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18806 cseq_len = strlen(cseq);
18807 old_line = line = *lp;
18808 ansi = len = clen = 0;
18810 for (i=0; i < count; i++)
18812 if (src[i] == '\033')
18815 // if we hit the width, back up
18816 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18818 // store i & len in case the word is too long
18819 old_i = i, old_len = len;
18821 // find the end of the last word
18822 while (i && src[i] != ' ' && src[i] != '\n')
18828 // word too long? restore i & len before splitting it
18829 if ((old_i-i+clen) >= width)
18836 if (i && src[i-1] == ' ')
18839 if (src[i] != ' ' && src[i] != '\n')
18846 // now append the newline and continuation sequence
18851 strncpy(dest+len, cseq, cseq_len);
18859 dest[len] = src[i];
18863 if (src[i] == '\n')
18868 if (dest && appData.debugMode)
18870 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18871 count, width, line, len, *lp);
18872 show_bytes(debugFP, src, count);
18873 fprintf(debugFP, "\ndest: ");
18874 show_bytes(debugFP, dest, len);
18875 fprintf(debugFP, "\n");
18877 *lp = dest ? line : old_line;
18882 // [HGM] vari: routines for shelving variations
18883 Boolean modeRestore = FALSE;
18886 PushInner (int firstMove, int lastMove)
18888 int i, j, nrMoves = lastMove - firstMove;
18890 // push current tail of game on stack
18891 savedResult[storedGames] = gameInfo.result;
18892 savedDetails[storedGames] = gameInfo.resultDetails;
18893 gameInfo.resultDetails = NULL;
18894 savedFirst[storedGames] = firstMove;
18895 savedLast [storedGames] = lastMove;
18896 savedFramePtr[storedGames] = framePtr;
18897 framePtr -= nrMoves; // reserve space for the boards
18898 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18899 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18900 for(j=0; j<MOVE_LEN; j++)
18901 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18902 for(j=0; j<2*MOVE_LEN; j++)
18903 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18904 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18905 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18906 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18907 pvInfoList[firstMove+i-1].depth = 0;
18908 commentList[framePtr+i] = commentList[firstMove+i];
18909 commentList[firstMove+i] = NULL;
18913 forwardMostMove = firstMove; // truncate game so we can start variation
18917 PushTail (int firstMove, int lastMove)
18919 if(appData.icsActive) { // only in local mode
18920 forwardMostMove = currentMove; // mimic old ICS behavior
18923 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18925 PushInner(firstMove, lastMove);
18926 if(storedGames == 1) GreyRevert(FALSE);
18927 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18931 PopInner (Boolean annotate)
18934 char buf[8000], moveBuf[20];
18936 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18937 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18938 nrMoves = savedLast[storedGames] - currentMove;
18941 if(!WhiteOnMove(currentMove))
18942 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18943 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18944 for(i=currentMove; i<forwardMostMove; i++) {
18946 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18947 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18948 strcat(buf, moveBuf);
18949 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18950 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18954 for(i=1; i<=nrMoves; i++) { // copy last variation back
18955 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18956 for(j=0; j<MOVE_LEN; j++)
18957 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18958 for(j=0; j<2*MOVE_LEN; j++)
18959 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18960 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18961 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18962 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18963 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18964 commentList[currentMove+i] = commentList[framePtr+i];
18965 commentList[framePtr+i] = NULL;
18967 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18968 framePtr = savedFramePtr[storedGames];
18969 gameInfo.result = savedResult[storedGames];
18970 if(gameInfo.resultDetails != NULL) {
18971 free(gameInfo.resultDetails);
18973 gameInfo.resultDetails = savedDetails[storedGames];
18974 forwardMostMove = currentMove + nrMoves;
18978 PopTail (Boolean annotate)
18980 if(appData.icsActive) return FALSE; // only in local mode
18981 if(!storedGames) return FALSE; // sanity
18982 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18984 PopInner(annotate);
18985 if(currentMove < forwardMostMove) ForwardEvent(); else
18986 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18988 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18994 { // remove all shelved variations
18996 for(i=0; i<storedGames; i++) {
18997 if(savedDetails[i])
18998 free(savedDetails[i]);
18999 savedDetails[i] = NULL;
19001 for(i=framePtr; i<MAX_MOVES; i++) {
19002 if(commentList[i]) free(commentList[i]);
19003 commentList[i] = NULL;
19005 framePtr = MAX_MOVES-1;
19010 LoadVariation (int index, char *text)
19011 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
19012 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
19013 int level = 0, move;
19015 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
19016 // first find outermost bracketing variation
19017 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
19018 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
19019 if(*p == '{') wait = '}'; else
19020 if(*p == '[') wait = ']'; else
19021 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
19022 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
19024 if(*p == wait) wait = NULLCHAR; // closing ]} found
19027 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
19028 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
19029 end[1] = NULLCHAR; // clip off comment beyond variation
19030 ToNrEvent(currentMove-1);
19031 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
19032 // kludge: use ParsePV() to append variation to game
19033 move = currentMove;
19034 ParsePV(start, TRUE, TRUE);
19035 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
19036 ClearPremoveHighlights();
19038 ToNrEvent(currentMove+1);
19044 char *p, *q, buf[MSG_SIZ];
19045 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
19046 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
19047 ParseArgsFromString(buf);
19048 ActivateTheme(TRUE); // also redo colors
19052 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
19055 q = appData.themeNames;
19056 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
19057 if(appData.useBitmaps) {
19058 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
19059 appData.liteBackTextureFile, appData.darkBackTextureFile,
19060 appData.liteBackTextureMode,
19061 appData.darkBackTextureMode );
19063 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
19064 Col2Text(2), // lightSquareColor
19065 Col2Text(3) ); // darkSquareColor
19067 if(appData.useBorder) {
19068 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
19071 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
19073 if(appData.useFont) {
19074 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
19075 appData.renderPiecesWithFont,
19076 appData.fontToPieceTable,
19077 Col2Text(9), // appData.fontBackColorWhite
19078 Col2Text(10) ); // appData.fontForeColorBlack
19080 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
19081 appData.pieceDirectory);
19082 if(!appData.pieceDirectory[0])
19083 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
19084 Col2Text(0), // whitePieceColor
19085 Col2Text(1) ); // blackPieceColor
19087 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
19088 Col2Text(4), // highlightSquareColor
19089 Col2Text(5) ); // premoveHighlightColor
19090 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
19091 if(insert != q) insert[-1] = NULLCHAR;
19092 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
19095 ActivateTheme(FALSE);