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] != '\n') { // 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%c\n", AAA + killX, ONE + killY, promoChar);
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 if(legal[toY][toX] == 4) return FALSE;
6707 piece = boards[currentMove][fromY][fromX];
6708 if(gameInfo.variant == VariantChu) {
6709 promotionZoneSize = BOARD_HEIGHT/3;
6710 if(legal[toY][toX] == 6) return FALSE; // no promotion if highlights deny it
6711 highestPromotingPiece = (PieceToChar(piece) == '+' || PieceToChar(CHUPROMOTED(piece)) != '+') ? WhitePawn : WhiteKing;
6712 } else if(gameInfo.variant == VariantShogi) {
6713 promotionZoneSize = BOARD_HEIGHT/3 +(BOARD_HEIGHT == 8);
6714 highestPromotingPiece = (int)WhiteAlfil;
6715 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6716 promotionZoneSize = 3;
6719 // Treat Lance as Pawn when it is not representing Amazon or Lance
6720 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6721 if(piece == WhiteLance) piece = WhitePawn; else
6722 if(piece == BlackLance) piece = BlackPawn;
6725 // next weed out all moves that do not touch the promotion zone at all
6726 if((int)piece >= BlackPawn) {
6727 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6729 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6730 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6732 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6733 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6734 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6738 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6740 // weed out mandatory Shogi promotions
6741 if(gameInfo.variant == VariantShogi) {
6742 if(piece >= BlackPawn) {
6743 if(toY == 0 && piece == BlackPawn ||
6744 toY == 0 && piece == BlackQueen ||
6745 toY <= 1 && piece == BlackKnight) {
6750 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6751 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6752 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6759 // weed out obviously illegal Pawn moves
6760 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6761 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6762 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6763 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6764 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6765 // note we are not allowed to test for valid (non-)capture, due to premove
6768 // we either have a choice what to promote to, or (in Shogi) whether to promote
6769 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6770 gameInfo.variant == VariantMakruk) {
6771 ChessSquare p=BlackFerz; // no choice
6772 while(p < EmptySquare) { //but make sure we use piece that exists
6773 *promoChoice = PieceToChar(p++);
6774 if(*promoChoice != '.') break;
6776 if(!*engineVariant) return FALSE; // if used as parent variant there might be promotion choice
6778 // no sense asking what we must promote to if it is going to explode...
6779 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6780 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6783 // give caller the default choice even if we will not make it
6784 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6785 partner = piece; // pieces can promote if the pieceToCharTable says so
6786 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6787 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6788 if( sweepSelect && gameInfo.variant != VariantGreat
6789 && gameInfo.variant != VariantGrand
6790 && gameInfo.variant != VariantSuper) return FALSE;
6791 if(autoQueen) return FALSE; // predetermined
6793 // suppress promotion popup on illegal moves that are not premoves
6794 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6795 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6796 if(appData.testLegality && !premove) {
6797 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6798 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6799 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6800 if(moveType != WhitePromotion && moveType != BlackPromotion)
6808 InPalace (int row, int column)
6809 { /* [HGM] for Xiangqi */
6810 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6811 column < (BOARD_WIDTH + 4)/2 &&
6812 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6817 PieceForSquare (int x, int y)
6819 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6822 return boards[currentMove][y][x];
6826 OKToStartUserMove (int x, int y)
6828 ChessSquare from_piece;
6831 if (matchMode) return FALSE;
6832 if (gameMode == EditPosition) return TRUE;
6834 if (x >= 0 && y >= 0)
6835 from_piece = boards[currentMove][y][x];
6837 from_piece = EmptySquare;
6839 if (from_piece == EmptySquare) return FALSE;
6841 white_piece = (int)from_piece >= (int)WhitePawn &&
6842 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6846 case TwoMachinesPlay:
6854 case MachinePlaysWhite:
6855 case IcsPlayingBlack:
6856 if (appData.zippyPlay) return FALSE;
6858 DisplayMoveError(_("You are playing Black"));
6863 case MachinePlaysBlack:
6864 case IcsPlayingWhite:
6865 if (appData.zippyPlay) return FALSE;
6867 DisplayMoveError(_("You are playing White"));
6872 case PlayFromGameFile:
6873 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6876 if (!white_piece && WhiteOnMove(currentMove)) {
6877 DisplayMoveError(_("It is White's turn"));
6880 if (white_piece && !WhiteOnMove(currentMove)) {
6881 DisplayMoveError(_("It is Black's turn"));
6884 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6885 /* Editing correspondence game history */
6886 /* Could disallow this or prompt for confirmation */
6891 case BeginningOfGame:
6892 if (appData.icsActive) return FALSE;
6893 if (!appData.noChessProgram) {
6895 DisplayMoveError(_("You are playing White"));
6902 if (!white_piece && WhiteOnMove(currentMove)) {
6903 DisplayMoveError(_("It is White's turn"));
6906 if (white_piece && !WhiteOnMove(currentMove)) {
6907 DisplayMoveError(_("It is Black's turn"));
6916 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6917 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6918 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6919 && gameMode != AnalyzeFile && gameMode != Training) {
6920 DisplayMoveError(_("Displayed position is not current"));
6927 OnlyMove (int *x, int *y, Boolean captures)
6929 DisambiguateClosure cl;
6930 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6932 case MachinePlaysBlack:
6933 case IcsPlayingWhite:
6934 case BeginningOfGame:
6935 if(!WhiteOnMove(currentMove)) return FALSE;
6937 case MachinePlaysWhite:
6938 case IcsPlayingBlack:
6939 if(WhiteOnMove(currentMove)) return FALSE;
6946 cl.pieceIn = EmptySquare;
6951 cl.promoCharIn = NULLCHAR;
6952 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6953 if( cl.kind == NormalMove ||
6954 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6955 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6956 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6963 if(cl.kind != ImpossibleMove) return FALSE;
6964 cl.pieceIn = EmptySquare;
6969 cl.promoCharIn = NULLCHAR;
6970 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6971 if( cl.kind == NormalMove ||
6972 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6973 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6974 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6979 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6985 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6986 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6987 int lastLoadGameUseList = FALSE;
6988 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6989 ChessMove lastLoadGameStart = EndOfFile;
6991 Boolean addToBookFlag;
6992 static Board rightsBoard, nullBoard;
6995 UserMoveEvent (int fromX, int fromY, int toX, int toY, int promoChar)
6999 int ff=fromX, rf=fromY, ft=toX, rt=toY;
7001 /* Check if the user is playing in turn. This is complicated because we
7002 let the user "pick up" a piece before it is his turn. So the piece he
7003 tried to pick up may have been captured by the time he puts it down!
7004 Therefore we use the color the user is supposed to be playing in this
7005 test, not the color of the piece that is currently on the starting
7006 square---except in EditGame mode, where the user is playing both
7007 sides; fortunately there the capture race can't happen. (It can
7008 now happen in IcsExamining mode, but that's just too bad. The user
7009 will get a somewhat confusing message in that case.)
7014 case TwoMachinesPlay:
7018 /* We switched into a game mode where moves are not accepted,
7019 perhaps while the mouse button was down. */
7022 case MachinePlaysWhite:
7023 /* User is moving for Black */
7024 if (WhiteOnMove(currentMove)) {
7025 DisplayMoveError(_("It is White's turn"));
7030 case MachinePlaysBlack:
7031 /* User is moving for White */
7032 if (!WhiteOnMove(currentMove)) {
7033 DisplayMoveError(_("It is Black's turn"));
7038 case PlayFromGameFile:
7039 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
7042 case BeginningOfGame:
7045 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
7046 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
7047 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
7048 /* User is moving for Black */
7049 if (WhiteOnMove(currentMove)) {
7050 DisplayMoveError(_("It is White's turn"));
7054 /* User is moving for White */
7055 if (!WhiteOnMove(currentMove)) {
7056 DisplayMoveError(_("It is Black's turn"));
7062 case IcsPlayingBlack:
7063 /* User is moving for Black */
7064 if (WhiteOnMove(currentMove)) {
7065 if (!appData.premove) {
7066 DisplayMoveError(_("It is White's turn"));
7067 } else if (toX >= 0 && toY >= 0) {
7070 premoveFromX = fromX;
7071 premoveFromY = fromY;
7072 premovePromoChar = promoChar;
7074 if (appData.debugMode)
7075 fprintf(debugFP, "Got premove: fromX %d,"
7076 "fromY %d, toX %d, toY %d\n",
7077 fromX, fromY, toX, toY);
7079 DrawPosition(TRUE, boards[currentMove]); // [HGM] repair animation damage done by premove (in particular emptying from-square)
7084 case IcsPlayingWhite:
7085 /* User is moving for White */
7086 if (!WhiteOnMove(currentMove)) {
7087 if (!appData.premove) {
7088 DisplayMoveError(_("It is Black's turn"));
7089 } else if (toX >= 0 && toY >= 0) {
7092 premoveFromX = fromX;
7093 premoveFromY = fromY;
7094 premovePromoChar = promoChar;
7096 if (appData.debugMode)
7097 fprintf(debugFP, "Got premove: fromX %d,"
7098 "fromY %d, toX %d, toY %d\n",
7099 fromX, fromY, toX, toY);
7101 DrawPosition(TRUE, boards[currentMove]);
7110 /* EditPosition, empty square, or different color piece;
7111 click-click move is possible */
7112 if (toX == -2 || toY == -2) {
7113 boards[0][fromY][fromX] = (boards[0][fromY][fromX] == EmptySquare ? DarkSquare : EmptySquare);
7114 DrawPosition(FALSE, boards[currentMove]);
7116 } else if (toX >= 0 && toY >= 0) {
7117 if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
7118 ChessSquare p = boards[0][rf][ff];
7119 if(PieceToChar(p) == '+') gatingPiece = CHUDEMOTED(p); else
7120 if(PieceToChar(CHUPROMOTED(p)) =='+') gatingPiece = CHUPROMOTED(p); else
7121 if(p == WhiteKing || p == BlackKing || p == WhiteRook || p == BlackRook || p == WhitePawn || p == BlackPawn) {
7122 int n = rightsBoard[toY][toX] ^= 1; // toggle virginity of K or R
7123 DisplayMessage("", n ? _("rights granted") : _("rights revoked"));
7126 } else rightsBoard[toY][toX] = 0; // revoke rights on moving
7127 boards[0][toY][toX] = boards[0][fromY][fromX];
7128 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
7129 if(boards[0][fromY][0] != EmptySquare) {
7130 if(boards[0][fromY][1]) boards[0][fromY][1]--;
7131 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
7134 if(fromX == BOARD_RGHT+1) {
7135 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
7136 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
7137 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
7140 boards[0][fromY][fromX] = gatingPiece;
7142 DrawPosition(FALSE, boards[currentMove]);
7148 if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
7149 pup = boards[currentMove][toY][toX];
7151 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
7152 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
7153 if( pup != EmptySquare ) return;
7154 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
7155 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
7156 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
7157 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
7158 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
7159 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
7160 while(PieceToChar(fromX) == '.' || PieceToChar(fromX) == '+' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
7164 /* [HGM] always test for legality, to get promotion info */
7165 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
7166 fromY, fromX, toY, toX, promoChar);
7168 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
7170 if(moveType == IllegalMove && legal[toY][toX] > 1) moveType = NormalMove; // someone explicitly told us this move is legal
7172 /* [HGM] but possibly ignore an IllegalMove result */
7173 if (appData.testLegality) {
7174 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7175 DisplayMoveError(_("Illegal move"));
7180 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7181 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7182 ClearPremoveHighlights(); // was included
7183 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7184 DrawPosition(FALSE, NULL);
7188 if(addToBookFlag) { // adding moves to book
7189 char buf[MSG_SIZ], move[MSG_SIZ];
7190 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7191 if(killX >= 0) snprintf(move, MSG_SIZ, "%c%dx%c%d-%c%d%c", fromX + AAA, fromY + ONE - '0',
7192 killX + AAA, killY + ONE - '0', toX + AAA, toY + ONE - '0', promoChar);
7193 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7195 addToBookFlag = FALSE;
7200 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7203 /* Common tail of UserMoveEvent and DropMenuEvent */
7205 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7209 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7210 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7211 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7212 if(WhiteOnMove(currentMove)) {
7213 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7215 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
7219 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7220 move type in caller when we know the move is a legal promotion */
7221 if(moveType == NormalMove && promoChar)
7222 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7224 /* [HGM] <popupFix> The following if has been moved here from
7225 UserMoveEvent(). Because it seemed to belong here (why not allow
7226 piece drops in training games?), and because it can only be
7227 performed after it is known to what we promote. */
7228 if (gameMode == Training) {
7229 /* compare the move played on the board to the next move in the
7230 * game. If they match, display the move and the opponent's response.
7231 * If they don't match, display an error message.
7235 CopyBoard(testBoard, boards[currentMove]);
7236 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7238 if (CompareBoards(testBoard, boards[currentMove+1])) {
7239 ForwardInner(currentMove+1);
7241 /* Autoplay the opponent's response.
7242 * if appData.animate was TRUE when Training mode was entered,
7243 * the response will be animated.
7245 saveAnimate = appData.animate;
7246 appData.animate = animateTraining;
7247 ForwardInner(currentMove+1);
7248 appData.animate = saveAnimate;
7250 /* check for the end of the game */
7251 if (currentMove >= forwardMostMove) {
7252 gameMode = PlayFromGameFile;
7254 SetTrainingModeOff();
7255 DisplayInformation(_("End of game"));
7258 DisplayError(_("Incorrect move"), 0);
7263 /* Ok, now we know that the move is good, so we can kill
7264 the previous line in Analysis Mode */
7265 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7266 && currentMove < forwardMostMove) {
7267 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7268 else forwardMostMove = currentMove;
7273 /* If we need the chess program but it's dead, restart it */
7274 ResurrectChessProgram();
7276 /* A user move restarts a paused game*/
7280 thinkOutput[0] = NULLCHAR;
7282 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7284 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7285 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7289 if (gameMode == BeginningOfGame) {
7290 if (appData.noChessProgram) {
7291 gameMode = EditGame;
7295 gameMode = MachinePlaysBlack;
7298 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7300 if (first.sendName) {
7301 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7302 SendToProgram(buf, &first);
7309 /* Relay move to ICS or chess engine */
7310 if (appData.icsActive) {
7311 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7312 gameMode == IcsExamining) {
7313 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7314 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7316 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7318 // also send plain move, in case ICS does not understand atomic claims
7319 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7323 if (first.sendTime && (gameMode == BeginningOfGame ||
7324 gameMode == MachinePlaysWhite ||
7325 gameMode == MachinePlaysBlack)) {
7326 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7328 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7329 // [HGM] book: if program might be playing, let it use book
7330 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7331 first.maybeThinking = TRUE;
7332 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7333 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7334 SendBoard(&first, currentMove+1);
7335 if(second.analyzing) {
7336 if(!second.useSetboard) SendToProgram("undo\n", &second);
7337 SendBoard(&second, currentMove+1);
7340 SendMoveToProgram(forwardMostMove-1, &first);
7341 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7343 if (currentMove == cmailOldMove + 1) {
7344 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7348 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7352 if(appData.testLegality)
7353 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7359 if (WhiteOnMove(currentMove)) {
7360 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7362 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7366 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7371 case MachinePlaysBlack:
7372 case MachinePlaysWhite:
7373 /* disable certain menu options while machine is thinking */
7374 SetMachineThinkingEnables();
7381 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7382 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7384 if(bookHit) { // [HGM] book: simulate book reply
7385 static char bookMove[MSG_SIZ]; // a bit generous?
7387 programStats.nodes = programStats.depth = programStats.time =
7388 programStats.score = programStats.got_only_move = 0;
7389 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7391 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7392 strcat(bookMove, bookHit);
7393 HandleMachineMove(bookMove, &first);
7399 MarkByFEN(char *fen)
7402 if(!appData.markers || !appData.highlightDragging) return;
7403 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = marker[r][f] = 0;
7404 r=BOARD_HEIGHT-1-deadRanks; f=BOARD_LEFT;
7407 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7408 if(*fen == 'B') legal[r][f] = 4; else // request auto-promotion to victim
7409 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 6; else
7410 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7411 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7412 if(*fen == 'T') marker[r][f++] = 0; else
7413 if(*fen == 'Y') marker[r][f++] = 1; else
7414 if(*fen == 'G') marker[r][f++] = 3; else
7415 if(*fen == 'B') marker[r][f++] = 4; else
7416 if(*fen == 'C') marker[r][f++] = 5; else
7417 if(*fen == 'M') marker[r][f++] = 6; else
7418 if(*fen == 'W') marker[r][f++] = 7; else
7419 if(*fen == 'D') marker[r][f++] = 8; else
7420 if(*fen == 'R') marker[r][f++] = 2; else {
7421 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7424 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7428 DrawPosition(TRUE, NULL);
7431 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7434 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7436 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7437 Markers *m = (Markers *) closure;
7438 if(rf == fromY && ff == fromX && (killX < 0 ? !(rt == rf && ft == ff) && legNr & 1 :
7439 kill2X < 0 ? rt == killY && ft == killX || legNr & 2 : rt == killY && ft == killX || legNr & 4))
7440 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7441 || kind == WhiteCapturesEnPassant
7442 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && (killX < 0 & legNr || legNr & 2 && kill2X < 0)), legal[rt][ft] = 3;
7443 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 3;
7446 static int hoverSavedValid;
7449 MarkTargetSquares (int clear)
7452 if(clear) { // no reason to ever suppress clearing
7453 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7454 hoverSavedValid = 0;
7455 if(!sum || clear < 0) return; // nothing was cleared,no redraw needed
7458 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7459 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7460 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7461 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7462 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7464 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7467 DrawPosition(FALSE, NULL);
7471 Explode (Board board, int fromX, int fromY, int toX, int toY)
7473 if(gameInfo.variant == VariantAtomic &&
7474 (board[toY][toX] != EmptySquare || // capture?
7475 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7476 board[fromY][fromX] == BlackPawn )
7478 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7484 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7487 CanPromote (ChessSquare piece, int y)
7489 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7490 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7491 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7492 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7493 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7494 (gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7495 gameInfo.variant == VariantMakruk) && !*engineVariant) return FALSE;
7496 return (piece == BlackPawn && y <= zone ||
7497 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7498 piece == BlackLance && y <= zone ||
7499 piece == WhiteLance && y >= BOARD_HEIGHT-1-zone );
7503 HoverEvent (int xPix, int yPix, int x, int y)
7505 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7507 if(!first.highlight) return;
7508 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7509 if(x == oldX && y == oldY) return; // only do something if we enter new square
7510 oldFromX = fromX; oldFromY = fromY;
7511 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7512 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7513 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7514 hoverSavedValid = 1;
7515 } else if(oldX != x || oldY != y) {
7516 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7517 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7518 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7519 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7520 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7522 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7523 SendToProgram(buf, &first);
7526 // SetHighlights(fromX, fromY, x, y);
7530 void ReportClick(char *action, int x, int y)
7532 char buf[MSG_SIZ]; // Inform engine of what user does
7534 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7535 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7536 legal[r][f] = !pieceDefs || !appData.markers, marker[r][f] = 0;
7537 if(!first.highlight || gameMode == EditPosition) return;
7538 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7539 SendToProgram(buf, &first);
7542 Boolean right; // instructs front-end to use button-1 events as if they were button 3
7543 Boolean deferChoice;
7546 LeftClick (ClickType clickType, int xPix, int yPix)
7549 static Boolean saveAnimate;
7550 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0, flashing = 0, saveFlash;
7551 char promoChoice = NULLCHAR;
7553 static TimeMark lastClickTime, prevClickTime;
7555 if(flashing) return;
7557 if(!deferChoice) { // when called for a retry, skip everything to the point where we left off
7558 x = EventToSquare(xPix, BOARD_WIDTH);
7559 y = EventToSquare(yPix, BOARD_HEIGHT);
7560 if (!flipView && y >= 0) {
7561 y = BOARD_HEIGHT - 1 - y;
7563 if (flipView && x >= 0) {
7564 x = BOARD_WIDTH - 1 - x;
7567 if(appData.monoMouse && gameMode == EditPosition && fromX < 0 && clickType == Press && boards[currentMove][y][x] == EmptySquare) {
7569 RightClick(clickType, xPix, yPix, &dummy, &dummy);
7574 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7576 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7578 if (clickType == Press) ErrorPopDown();
7579 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7581 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7582 defaultPromoChoice = promoSweep;
7583 promoSweep = EmptySquare; // terminate sweep
7584 promoDefaultAltered = TRUE;
7585 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7588 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7589 if(clickType == Release) return; // ignore upclick of click-click destination
7590 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7591 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7592 if(gameInfo.holdingsWidth &&
7593 (WhiteOnMove(currentMove)
7594 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7595 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7596 // click in right holdings, for determining promotion piece
7597 ChessSquare p = boards[currentMove][y][x];
7598 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7599 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7600 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7601 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7606 DrawPosition(FALSE, boards[currentMove]);
7610 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7611 if(clickType == Press
7612 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7613 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7614 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7617 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7618 // could be static click on premove from-square: abort premove
7620 ClearPremoveHighlights();
7623 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7624 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7626 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7627 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7628 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7629 defaultPromoChoice = DefaultPromoChoice(side);
7632 autoQueen = appData.alwaysPromoteToQueen;
7636 gatingPiece = EmptySquare;
7637 if (clickType != Press) {
7638 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7639 DragPieceEnd(xPix, yPix); dragging = 0;
7640 DrawPosition(FALSE, NULL);
7644 doubleClick = FALSE;
7645 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7646 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7648 fromX = x; fromY = y; toX = toY = killX = killY = kill2X = kill2Y = -1; *promoRestrict = NULLCHAR;
7649 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7650 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7651 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7653 if (OKToStartUserMove(fromX, fromY)) {
7655 ReportClick("lift", x, y);
7656 MarkTargetSquares(0);
7657 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7658 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7659 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7660 promoSweep = defaultPromoChoice;
7661 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7662 Sweep(0); // Pawn that is going to promote: preview promotion piece
7663 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7665 if (appData.highlightDragging) {
7666 SetHighlights(fromX, fromY, -1, -1);
7670 } else fromX = fromY = -1;
7676 if (clickType == Press && gameMode != EditPosition) {
7681 // ignore off-board to clicks
7682 if(y < 0 || x < 0) return;
7684 /* Check if clicking again on the same color piece */
7685 fromP = boards[currentMove][fromY][fromX];
7686 toP = boards[currentMove][y][x];
7687 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7688 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7689 marker[y][x] == 0 && // if engine told we can move to here, do it even if own piece
7690 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7691 WhitePawn <= toP && toP <= WhiteKing &&
7692 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7693 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7694 (BlackPawn <= fromP && fromP <= BlackKing &&
7695 BlackPawn <= toP && toP <= BlackKing &&
7696 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7697 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7698 /* Clicked again on same color piece -- changed his mind */
7699 second = (x == fromX && y == fromY);
7700 killX = killY = kill2X = kill2Y = -1; *promoRestrict = NULLCHAR;
7701 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7702 second = FALSE; // first double-click rather than scond click
7703 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7705 promoDefaultAltered = FALSE;
7706 if(!second) MarkTargetSquares(1);
7707 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7708 if (appData.highlightDragging) {
7709 SetHighlights(x, y, -1, -1);
7713 if (OKToStartUserMove(x, y)) {
7714 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7715 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7716 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7717 gatingPiece = boards[currentMove][fromY][fromX];
7718 else gatingPiece = doubleClick ? fromP : EmptySquare;
7720 fromY = y; dragging = 1;
7721 if(!second) ReportClick("lift", x, y);
7722 MarkTargetSquares(0);
7723 DragPieceBegin(xPix, yPix, FALSE);
7724 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7725 promoSweep = defaultPromoChoice;
7726 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7727 Sweep(0); // Pawn that is going to promote: preview promotion piece
7731 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7734 // ignore clicks on holdings
7735 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7738 if(x == fromX && y == fromY && clickType == Press && gameMode == EditPosition && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7739 gatingPiece = boards[currentMove][fromY][fromX]; // prepare to copy rather than move
7740 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7744 if (clickType == Release && x == fromX && y == fromY && killX < 0 && !sweepSelecting) {
7745 DragPieceEnd(xPix, yPix); dragging = 0;
7747 // a deferred attempt to click-click move an empty square on top of a piece
7748 boards[currentMove][y][x] = EmptySquare;
7750 DrawPosition(FALSE, boards[currentMove]);
7751 fromX = fromY = -1; clearFlag = 0;
7754 if (appData.animateDragging) {
7755 /* Undo animation damage if any */
7756 DrawPosition(FALSE, NULL);
7759 /* Second up/down in same square; just abort move */
7762 gatingPiece = EmptySquare;
7765 ClearPremoveHighlights();
7766 MarkTargetSquares(-1);
7767 DrawPosition(FALSE, NULL); // make user highlights are drawn (and deferred marker clearing)
7769 /* First upclick in same square; start click-click mode */
7770 SetHighlights(x, y, -1, -1);
7777 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7778 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7779 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7780 DisplayMessage(_("only marked squares are legal"),"");
7781 DrawPosition(TRUE, NULL);
7782 return; // ignore to-click
7785 /* we now have a different from- and (possibly off-board) to-square */
7786 /* Completed move */
7787 if(!sweepSelecting) {
7792 piece = boards[currentMove][fromY][fromX];
7794 saveAnimate = appData.animate;
7795 if (clickType == Press) {
7796 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7797 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7798 // must be Edit Position mode with empty-square selected
7799 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7800 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7803 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7806 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7807 killX = kill2X; killY = kill2Y; kill2X = kill2Y = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7809 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7810 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7811 if(appData.sweepSelect) {
7812 promoSweep = defaultPromoChoice;
7813 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED(piece)) == '+') promoSweep = CHUPROMOTED(piece);
7814 selectFlag = 0; lastX = xPix; lastY = yPix;
7815 ReportClick("put", x, y); // extra put to prompt engine for 'choice' command
7816 saveFlash = appData.flashCount; appData.flashCount = 0;
7817 Sweep(0); // Pawn that is going to promote: preview promotion piece
7819 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7820 MarkTargetSquares(1);
7822 return; // promo popup appears on up-click
7824 /* Finish clickclick move */
7825 if (appData.animate || appData.highlightLastMove) {
7826 SetHighlights(fromX, fromY, toX, toY);
7830 MarkTargetSquares(1);
7831 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7832 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7833 *promoRestrict = 0; appData.flashCount = saveFlash;
7834 if (appData.animate || appData.highlightLastMove) {
7835 SetHighlights(fromX, fromY, toX, toY);
7839 MarkTargetSquares(1);
7842 // [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
7843 /* Finish drag move */
7844 if (appData.highlightLastMove) {
7845 SetHighlights(fromX, fromY, toX, toY);
7850 if(PieceToChar(CHUPROMOTED(boards[currentMove][fromY][fromX])) == '+')
7851 defaultPromoChoice = CHUPROMOTED(boards[currentMove][fromY][fromX]);
7852 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7853 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7854 dragging *= 2; // flag button-less dragging if we are dragging
7855 MarkTargetSquares(1);
7856 if(x == killX && y == killY) killX = kill2X, killY = kill2Y, kill2X = kill2Y = -1; // cancel last kill
7858 kill2X = killX; kill2Y = killY;
7859 killX = x; killY = y; // remember this square as intermediate
7860 ReportClick("put", x, y); // and inform engine
7861 ReportClick("lift", x, y);
7862 MarkTargetSquares(0);
7866 DragPieceEnd(xPix, yPix); dragging = 0;
7867 /* Don't animate move and drag both */
7868 appData.animate = FALSE;
7869 MarkTargetSquares(-1); // -1 defers displaying marker change to prevent piece reappearing on from-square!
7872 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7873 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7874 ChessSquare piece = boards[currentMove][fromY][fromX];
7875 if(gameMode == EditPosition && piece != EmptySquare &&
7876 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7879 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7880 n = PieceToNumber(piece - (int)BlackPawn);
7881 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7882 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7883 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7885 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7886 n = PieceToNumber(piece);
7887 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7888 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7889 boards[currentMove][n][BOARD_WIDTH-2]++;
7891 boards[currentMove][fromY][fromX] = EmptySquare;
7895 MarkTargetSquares(1);
7896 DrawPosition(TRUE, boards[currentMove]);
7900 // off-board moves should not be highlighted
7901 if(x < 0 || y < 0) {
7903 DrawPosition(FALSE, NULL);
7904 } else ReportClick("put", x, y);
7906 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7909 if(legal[toY][toX] == 2) { // highlight-induced promotion
7910 if(piece == defaultPromoChoice) promoChoice = NULLCHAR; // deferral
7911 else promoChoice = ToLower(PieceToChar(defaultPromoChoice));
7912 } else if(legal[toY][toX] == 4) { // blue target square: engine must supply promotion choice
7913 if(!*promoRestrict) { // but has not done that yet
7914 deferChoice = TRUE; // set up retry for when it does
7915 return; // and wait for that
7917 promoChoice = ToLower(*promoRestrict); // force engine's choice
7918 deferChoice = FALSE;
7921 if (legal[toY][toX] == 2 && !appData.sweepSelect || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7922 SetHighlights(fromX, fromY, toX, toY);
7923 MarkTargetSquares(1);
7924 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7925 // [HGM] super: promotion to captured piece selected from holdings
7926 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7927 promotionChoice = TRUE;
7928 // kludge follows to temporarily execute move on display, without promoting yet
7929 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7930 boards[currentMove][toY][toX] = p;
7931 DrawPosition(FALSE, boards[currentMove]);
7932 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7933 boards[currentMove][toY][toX] = q;
7934 DisplayMessage("Click in holdings to choose piece", "");
7937 DrawPosition(FALSE, NULL); // shows piece on from-square during promo popup
7938 PromotionPopUp(promoChoice);
7940 int oldMove = currentMove;
7941 flashing = 1; // prevent recursive calling (by release of to-click) while flashing piece
7942 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7943 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7944 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY), DrawPosition(FALSE, NULL);
7945 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7946 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7947 DrawPosition(TRUE, boards[currentMove]);
7948 else DrawPosition(FALSE, NULL);
7952 appData.animate = saveAnimate;
7953 if (appData.animate || appData.animateDragging) {
7954 /* Undo animation damage if needed */
7955 // DrawPosition(FALSE, NULL);
7960 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7961 { // front-end-free part taken out of PieceMenuPopup
7962 int whichMenu; int xSqr, ySqr;
7964 if(seekGraphUp) { // [HGM] seekgraph
7965 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7966 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7970 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7971 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7972 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7973 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7974 if(action == Press) {
7975 originalFlip = flipView;
7976 flipView = !flipView; // temporarily flip board to see game from partners perspective
7977 DrawPosition(TRUE, partnerBoard);
7978 DisplayMessage(partnerStatus, "");
7980 } else if(action == Release) {
7981 flipView = originalFlip;
7982 DrawPosition(TRUE, boards[currentMove]);
7988 xSqr = EventToSquare(x, BOARD_WIDTH);
7989 ySqr = EventToSquare(y, BOARD_HEIGHT);
7990 if (action == Release) {
7991 if(pieceSweep != EmptySquare) {
7992 EditPositionMenuEvent(pieceSweep, toX, toY);
7993 pieceSweep = EmptySquare;
7994 } else UnLoadPV(); // [HGM] pv
7996 if (action != Press) return -2; // return code to be ignored
7999 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
8001 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
8002 if (xSqr < 0 || ySqr < 0) return -1;
8003 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
8004 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
8005 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
8006 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
8010 if(!appData.icsEngineAnalyze) return -1;
8011 case IcsPlayingWhite:
8012 case IcsPlayingBlack:
8013 if(!appData.zippyPlay) goto noZip;
8016 case MachinePlaysWhite:
8017 case MachinePlaysBlack:
8018 case TwoMachinesPlay: // [HGM] pv: use for showing PV
8019 if (!appData.dropMenu) {
8021 return 2; // flag front-end to grab mouse events
8023 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
8024 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
8027 if (xSqr < 0 || ySqr < 0) return -1;
8028 if (!appData.dropMenu || appData.testLegality &&
8029 gameInfo.variant != VariantBughouse &&
8030 gameInfo.variant != VariantCrazyhouse) return -1;
8031 whichMenu = 1; // drop menu
8037 if (((*fromX = xSqr) < 0) ||
8038 ((*fromY = ySqr) < 0)) {
8039 *fromX = *fromY = -1;
8043 *fromX = BOARD_WIDTH - 1 - *fromX;
8045 *fromY = BOARD_HEIGHT - 1 - *fromY;
8051 Wheel (int dir, int x, int y)
8053 if(gameMode == EditPosition) {
8054 int xSqr = EventToSquare(x, BOARD_WIDTH);
8055 int ySqr = EventToSquare(y, BOARD_HEIGHT);
8056 if(ySqr < 0 || xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return;
8057 if(flipView) xSqr = BOARD_WIDTH - 1 - xSqr; else ySqr = BOARD_HEIGHT - 1 - ySqr;
8059 boards[currentMove][ySqr][xSqr] += dir;
8060 if((int) boards[currentMove][ySqr][xSqr] < WhitePawn) boards[currentMove][ySqr][xSqr] = BlackKing;
8061 if((int) boards[currentMove][ySqr][xSqr] > BlackKing) boards[currentMove][ySqr][xSqr] = WhitePawn;
8062 } while(PieceToChar(boards[currentMove][ySqr][xSqr]) == '.');
8063 DrawPosition(FALSE, boards[currentMove]);
8064 } else if(dir > 0) ForwardEvent(); else BackwardEvent();
8068 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
8070 // char * hint = lastHint;
8071 FrontEndProgramStats stats;
8073 stats.which = cps == &first ? 0 : 1;
8074 stats.depth = cpstats->depth;
8075 stats.nodes = cpstats->nodes;
8076 stats.score = cpstats->score;
8077 stats.time = cpstats->time;
8078 stats.pv = cpstats->movelist;
8079 stats.hint = lastHint;
8080 stats.an_move_index = 0;
8081 stats.an_move_count = 0;
8083 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
8084 stats.hint = cpstats->move_name;
8085 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
8086 stats.an_move_count = cpstats->nr_moves;
8089 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
8091 if( gameMode == AnalyzeMode && stats.pv && stats.pv[0]
8092 && appData.analysisBell && stats.time >= 100*appData.analysisBell ) RingBell();
8094 SetProgramStats( &stats );
8098 ClearEngineOutputPane (int which)
8100 static FrontEndProgramStats dummyStats;
8101 dummyStats.which = which;
8102 dummyStats.pv = "#";
8103 SetProgramStats( &dummyStats );
8106 #define MAXPLAYERS 500
8109 TourneyStandings (int display)
8111 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
8112 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
8113 char result, *p, *names[MAXPLAYERS];
8115 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
8116 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
8117 names[0] = p = strdup(appData.participants);
8118 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
8120 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
8122 while(result = appData.results[nr]) {
8123 color = Pairing(nr, nPlayers, &w, &b, &dummy);
8124 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
8125 wScore = bScore = 0;
8127 case '+': wScore = 2; break;
8128 case '-': bScore = 2; break;
8129 case '=': wScore = bScore = 1; break;
8131 case '*': return strdup("busy"); // tourney not finished
8139 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
8140 for(w=0; w<nPlayers; w++) {
8142 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
8143 ranking[w] = b; points[w] = bScore; score[b] = -2;
8145 p = malloc(nPlayers*34+1);
8146 for(w=0; w<nPlayers && w<display; w++)
8147 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
8153 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
8154 { // count all piece types
8156 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
8157 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
8158 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8161 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
8162 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
8163 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
8164 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
8165 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
8166 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
8171 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
8173 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
8174 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
8176 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
8177 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
8178 if(myPawns == 2 && nMine == 3) // KPP
8179 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
8180 if(myPawns == 1 && nMine == 2) // KP
8181 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8182 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
8183 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
8184 if(myPawns) return FALSE;
8185 if(pCnt[WhiteRook+side])
8186 return pCnt[BlackRook-side] ||
8187 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
8188 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
8189 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
8190 if(pCnt[WhiteCannon+side]) {
8191 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
8192 return majorDefense || pCnt[BlackAlfil-side] >= 2;
8194 if(pCnt[WhiteKnight+side])
8195 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8200 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
8202 VariantClass v = gameInfo.variant;
8204 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
8205 if(v == VariantShatranj) return TRUE; // always winnable through baring
8206 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
8207 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
8209 if(v == VariantXiangqi) {
8210 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
8212 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
8213 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
8214 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
8215 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
8216 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
8217 if(stale) // we have at least one last-rank P plus perhaps C
8218 return majors // KPKX
8219 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
8221 return pCnt[WhiteFerz+side] // KCAK
8222 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
8223 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
8224 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
8226 } else if(v == VariantKnightmate) {
8227 if(nMine == 1) return FALSE;
8228 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
8229 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
8230 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
8232 if(nMine == 1) return FALSE; // bare King
8233 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
8234 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
8235 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
8236 // by now we have King + 1 piece (or multiple Bishops on the same color)
8237 if(pCnt[WhiteKnight+side])
8238 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
8239 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
8240 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
8242 return (pCnt[BlackKnight-side]); // KBKN, KFKN
8243 if(pCnt[WhiteAlfil+side])
8244 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
8245 if(pCnt[WhiteWazir+side])
8246 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8253 CompareWithRights (Board b1, Board b2)
8256 if(!CompareBoards(b1, b2)) return FALSE;
8257 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8258 /* compare castling rights */
8259 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8260 rights++; /* King lost rights, while rook still had them */
8261 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8262 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8263 rights++; /* but at least one rook lost them */
8265 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8267 if( b1[CASTLING][5] != NoRights ) {
8268 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8275 Adjudicate (ChessProgramState *cps)
8276 { // [HGM] some adjudications useful with buggy engines
8277 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8278 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8279 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8280 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8281 int k, drop, count = 0; static int bare = 1;
8282 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8283 Boolean canAdjudicate = !appData.icsActive;
8285 // most tests only when we understand the game, i.e. legality-checking on
8286 if( appData.testLegality )
8287 { /* [HGM] Some more adjudications for obstinate engines */
8288 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+2], i;
8289 static int moveCount = 6;
8291 char *reason = NULL;
8293 /* Count what is on board. */
8294 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8296 /* Some material-based adjudications that have to be made before stalemate test */
8297 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8298 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8299 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8300 if(canAdjudicate && appData.checkMates) {
8302 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8303 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8304 "Xboard adjudication: King destroyed", GE_XBOARD );
8309 /* Bare King in Shatranj (loses) or Losers (wins) */
8310 if( nrW == 1 || nrB == 1) {
8311 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8312 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8313 if(canAdjudicate && appData.checkMates) {
8315 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8316 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8317 "Xboard adjudication: Bare king", GE_XBOARD );
8321 if( gameInfo.variant == VariantShatranj && --bare < 0)
8323 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8324 if(canAdjudicate && appData.checkMates) {
8325 /* but only adjudicate if adjudication enabled */
8327 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8328 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8329 "Xboard adjudication: Bare king", GE_XBOARD );
8336 // don't wait for engine to announce game end if we can judge ourselves
8337 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8339 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8340 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8341 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8342 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8345 reason = "Xboard adjudication: 3rd check";
8346 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8357 reason = "Xboard adjudication: Stalemate";
8358 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8359 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8360 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8361 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8362 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8363 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8364 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8365 EP_CHECKMATE : EP_WINS);
8366 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8367 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8371 reason = "Xboard adjudication: Checkmate";
8372 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8373 if(gameInfo.variant == VariantShogi) {
8374 if(forwardMostMove > backwardMostMove
8375 && moveList[forwardMostMove-1][1] == '@'
8376 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8377 reason = "XBoard adjudication: pawn-drop mate";
8378 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8384 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8386 result = GameIsDrawn; break;
8388 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8390 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8394 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8396 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8397 GameEnds( result, reason, GE_XBOARD );
8401 /* Next absolutely insufficient mating material. */
8402 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8403 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8404 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8406 /* always flag draws, for judging claims */
8407 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8409 if(canAdjudicate && appData.materialDraws) {
8410 /* but only adjudicate them if adjudication enabled */
8411 if(engineOpponent) {
8412 SendToProgram("force\n", engineOpponent); // suppress reply
8413 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8415 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8420 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8421 if(gameInfo.variant == VariantXiangqi ?
8422 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8424 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8425 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8426 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8427 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8429 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8430 { /* if the first 3 moves do not show a tactical win, declare draw */
8431 if(engineOpponent) {
8432 SendToProgram("force\n", engineOpponent); // suppress reply
8433 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8435 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8438 } else moveCount = 6;
8441 // Repetition draws and 50-move rule can be applied independently of legality testing
8443 /* Check for rep-draws */
8445 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8446 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8447 for(k = forwardMostMove-2;
8448 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8449 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8450 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8453 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8454 /* compare castling rights */
8455 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8456 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8457 rights++; /* King lost rights, while rook still had them */
8458 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8459 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8460 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8461 rights++; /* but at least one rook lost them */
8463 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8464 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8466 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8467 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8468 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8471 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8472 && appData.drawRepeats > 1) {
8473 /* adjudicate after user-specified nr of repeats */
8474 int result = GameIsDrawn;
8475 char *details = "XBoard adjudication: repetition draw";
8476 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8477 // [HGM] xiangqi: check for forbidden perpetuals
8478 int m, ourPerpetual = 1, hisPerpetual = 1;
8479 for(m=forwardMostMove; m>k; m-=2) {
8480 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8481 ourPerpetual = 0; // the current mover did not always check
8482 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8483 hisPerpetual = 0; // the opponent did not always check
8485 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8486 ourPerpetual, hisPerpetual);
8487 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8488 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8489 details = "Xboard adjudication: perpetual checking";
8491 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8492 break; // (or we would have caught him before). Abort repetition-checking loop.
8494 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8495 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8497 details = "Xboard adjudication: repetition";
8499 } else // it must be XQ
8500 // Now check for perpetual chases
8501 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8502 hisPerpetual = PerpetualChase(k, forwardMostMove);
8503 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8504 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8505 static char resdet[MSG_SIZ];
8506 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8508 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8510 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8511 break; // Abort repetition-checking loop.
8513 // if neither of us is checking or chasing all the time, or both are, it is draw
8515 if(engineOpponent) {
8516 SendToProgram("force\n", engineOpponent); // suppress reply
8517 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8519 GameEnds( result, details, GE_XBOARD );
8522 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8523 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8527 /* Now we test for 50-move draws. Determine ply count */
8528 count = forwardMostMove;
8529 /* look for last irreversble move */
8530 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8532 /* if we hit starting position, add initial plies */
8533 if( count == backwardMostMove )
8534 count -= initialRulePlies;
8535 count = forwardMostMove - count;
8536 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8537 // adjust reversible move counter for checks in Xiangqi
8538 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8539 if(i < backwardMostMove) i = backwardMostMove;
8540 while(i <= forwardMostMove) {
8541 lastCheck = inCheck; // check evasion does not count
8542 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8543 if(inCheck || lastCheck) count--; // check does not count
8548 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8549 /* this is used to judge if draw claims are legal */
8550 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8551 if(engineOpponent) {
8552 SendToProgram("force\n", engineOpponent); // suppress reply
8553 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8555 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8559 /* if draw offer is pending, treat it as a draw claim
8560 * when draw condition present, to allow engines a way to
8561 * claim draws before making their move to avoid a race
8562 * condition occurring after their move
8564 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8566 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8567 p = "Draw claim: 50-move rule";
8568 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8569 p = "Draw claim: 3-fold repetition";
8570 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8571 p = "Draw claim: insufficient mating material";
8572 if( p != NULL && canAdjudicate) {
8573 if(engineOpponent) {
8574 SendToProgram("force\n", engineOpponent); // suppress reply
8575 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8577 GameEnds( GameIsDrawn, p, GE_XBOARD );
8582 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8583 if(engineOpponent) {
8584 SendToProgram("force\n", engineOpponent); // suppress reply
8585 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8587 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8593 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8594 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8595 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8600 int pieces[10], squares[10], cnt=0, r, f, res;
8602 static PPROBE_EGBB probeBB;
8603 if(!appData.testLegality) return 10;
8604 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8605 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8606 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8607 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8608 ChessSquare piece = boards[forwardMostMove][r][f];
8609 int black = (piece >= BlackPawn);
8610 int type = piece - black*BlackPawn;
8611 if(piece == EmptySquare) continue;
8612 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8613 if(type == WhiteKing) type = WhiteQueen + 1;
8614 type = egbbCode[type];
8615 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8616 pieces[cnt] = type + black*6;
8617 if(++cnt > 5) return 11;
8619 pieces[cnt] = squares[cnt] = 0;
8621 if(loaded == 2) return 13; // loading failed before
8623 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8626 loaded = 2; // prepare for failure
8627 if(!path) return 13; // no egbb installed
8628 strncpy(buf, path + 8, MSG_SIZ);
8629 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8630 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8631 lib = LoadLibrary(buf);
8632 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8633 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8634 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8635 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8636 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8637 loaded = 1; // success!
8639 res = probeBB(forwardMostMove & 1, pieces, squares);
8640 return res > 0 ? 1 : res < 0 ? -1 : 0;
8644 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8645 { // [HGM] book: this routine intercepts moves to simulate book replies
8646 char *bookHit = NULL;
8648 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8650 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8651 SendToProgram(buf, cps);
8653 //first determine if the incoming move brings opponent into his book
8654 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8655 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8656 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8657 if(bookHit != NULL && !cps->bookSuspend) {
8658 // make sure opponent is not going to reply after receiving move to book position
8659 SendToProgram("force\n", cps);
8660 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8662 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8663 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8664 // now arrange restart after book miss
8666 // after a book hit we never send 'go', and the code after the call to this routine
8667 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8668 char buf[MSG_SIZ], *move = bookHit;
8670 int fromX, fromY, toX, toY;
8674 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8675 &fromX, &fromY, &toX, &toY, &promoChar)) {
8676 (void) CoordsToAlgebraic(boards[forwardMostMove],
8677 PosFlags(forwardMostMove),
8678 fromY, fromX, toY, toX, promoChar, move);
8680 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8684 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8685 SendToProgram(buf, cps);
8686 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8687 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8688 SendToProgram("go\n", cps);
8689 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8690 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8691 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8692 SendToProgram("go\n", cps);
8693 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8695 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8699 LoadError (char *errmess, ChessProgramState *cps)
8700 { // unloads engine and switches back to -ncp mode if it was first
8701 if(cps->initDone) return FALSE;
8702 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8703 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8706 appData.noChessProgram = TRUE;
8707 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8708 gameMode = BeginningOfGame; ModeHighlight();
8711 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8712 DisplayMessage("", ""); // erase waiting message
8713 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8718 ChessProgramState *savedState;
8720 DeferredBookMove (void)
8722 if(savedState->lastPing != savedState->lastPong)
8723 ScheduleDelayedEvent(DeferredBookMove, 10);
8725 HandleMachineMove(savedMessage, savedState);
8728 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8729 static ChessProgramState *stalledEngine;
8730 static char stashedInputMove[MSG_SIZ], abortEngineThink;
8733 HandleMachineMove (char *message, ChessProgramState *cps)
8735 static char firstLeg[20], legs;
8736 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8737 char realname[MSG_SIZ];
8738 int fromX, fromY, toX, toY;
8740 char promoChar, roar;
8745 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8746 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8747 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8748 DisplayError(_("Invalid pairing from pairing engine"), 0);
8751 pairingReceived = 1;
8753 return; // Skim the pairing messages here.
8756 oldError = cps->userError; cps->userError = 0;
8758 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8760 * Kludge to ignore BEL characters
8762 while (*message == '\007') message++;
8765 * [HGM] engine debug message: ignore lines starting with '#' character
8767 if(cps->debug && *message == '#') return;
8770 * Look for book output
8772 if (cps == &first && bookRequested) {
8773 if (message[0] == '\t' || message[0] == ' ') {
8774 /* Part of the book output is here; append it */
8775 strcat(bookOutput, message);
8776 strcat(bookOutput, " \n");
8778 } else if (bookOutput[0] != NULLCHAR) {
8779 /* All of book output has arrived; display it */
8780 char *p = bookOutput;
8781 while (*p != NULLCHAR) {
8782 if (*p == '\t') *p = ' ';
8785 DisplayInformation(bookOutput);
8786 bookRequested = FALSE;
8787 /* Fall through to parse the current output */
8792 * Look for machine move.
8794 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8795 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8797 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8798 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8799 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8800 stalledEngine = cps;
8801 if(appData.ponderNextMove) { // bring opponent out of ponder
8802 if(gameMode == TwoMachinesPlay) {
8803 if(cps->other->pause)
8804 PauseEngine(cps->other);
8806 SendToProgram("easy\n", cps->other);
8815 /* This method is only useful on engines that support ping */
8816 if(abortEngineThink) {
8817 if (appData.debugMode) {
8818 fprintf(debugFP, "Undoing move from aborted think of %s\n", cps->which);
8820 SendToProgram("undo\n", cps);
8824 if (cps->lastPing != cps->lastPong) {
8825 /* Extra move from before last new; ignore */
8826 if (appData.debugMode) {
8827 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8834 int machineWhite = FALSE;
8837 case BeginningOfGame:
8838 /* Extra move from before last reset; ignore */
8839 if (appData.debugMode) {
8840 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8847 /* Extra move after we tried to stop. The mode test is
8848 not a reliable way of detecting this problem, but it's
8849 the best we can do on engines that don't support ping.
8851 if (appData.debugMode) {
8852 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8853 cps->which, gameMode);
8855 SendToProgram("undo\n", cps);
8858 case MachinePlaysWhite:
8859 case IcsPlayingWhite:
8860 machineWhite = TRUE;
8863 case MachinePlaysBlack:
8864 case IcsPlayingBlack:
8865 machineWhite = FALSE;
8868 case TwoMachinesPlay:
8869 machineWhite = (cps->twoMachinesColor[0] == 'w');
8872 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8873 if (appData.debugMode) {
8875 "Ignoring move out of turn by %s, gameMode %d"
8876 ", forwardMost %d\n",
8877 cps->which, gameMode, forwardMostMove);
8883 if(cps->alphaRank) AlphaRank(machineMove, 4);
8885 // [HGM] lion: (some very limited) support for Alien protocol
8886 killX = killY = kill2X = kill2Y = -1;
8887 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8888 if(legs++) return; // middle leg contains only redundant info, ignore (but count it)
8889 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8892 if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move)
8893 char *q = strchr(p+1, ','); // second comma?
8894 safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off
8895 if(q) legs = 2, p = q; else legs = 1; // with 3-leg move we clipof first two legs!
8896 safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20);
8898 if(firstLeg[0]) { // there was a previous leg;
8899 // only support case where same piece makes two step
8900 char buf[20], *p = machineMove+1, *q = buf+1, f;
8901 safeStrCpy(buf, machineMove, 20);
8902 while(isdigit(*q)) q++; // find start of to-square
8903 safeStrCpy(machineMove, firstLeg, 20);
8904 while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove)
8905 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
8906 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)
8907 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8908 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8909 firstLeg[0] = NULLCHAR; legs = 0;
8912 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8913 &fromX, &fromY, &toX, &toY, &promoChar)) {
8914 /* Machine move could not be parsed; ignore it. */
8915 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8916 machineMove, _(cps->which));
8917 DisplayMoveError(buf1);
8918 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d",
8919 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType);
8920 if (gameMode == TwoMachinesPlay) {
8921 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8927 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8928 /* So we have to redo legality test with true e.p. status here, */
8929 /* to make sure an illegal e.p. capture does not slip through, */
8930 /* to cause a forfeit on a justified illegal-move complaint */
8931 /* of the opponent. */
8932 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8934 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8935 fromY, fromX, toY, toX, promoChar);
8936 if(moveType == IllegalMove) {
8937 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8938 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8939 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8942 } else if(!appData.fischerCastling)
8943 /* [HGM] Kludge to handle engines that send FRC-style castling
8944 when they shouldn't (like TSCP-Gothic) */
8946 case WhiteASideCastleFR:
8947 case BlackASideCastleFR:
8949 currentMoveString[2]++;
8951 case WhiteHSideCastleFR:
8952 case BlackHSideCastleFR:
8954 currentMoveString[2]--;
8956 default: ; // nothing to do, but suppresses warning of pedantic compilers
8959 hintRequested = FALSE;
8960 lastHint[0] = NULLCHAR;
8961 bookRequested = FALSE;
8962 /* Program may be pondering now */
8963 cps->maybeThinking = TRUE;
8964 if (cps->sendTime == 2) cps->sendTime = 1;
8965 if (cps->offeredDraw) cps->offeredDraw--;
8967 /* [AS] Save move info*/
8968 pvInfoList[ forwardMostMove ].score = programStats.score;
8969 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8970 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8972 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8974 /* Test suites abort the 'game' after one move */
8975 if(*appData.finger) {
8977 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8978 if(!f) f = fopen(appData.finger, "w");
8979 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8980 else { DisplayFatalError("Bad output file", errno, 0); return; }
8982 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8985 if(solvingTime >= 0) {
8986 snprintf(buf1, MSG_SIZ, "%d. %4.2fs: %s ", matchGame, solvingTime/100., parseList[backwardMostMove]);
8987 totalTime += solvingTime; first.matchWins++; solvingTime = -1;
8989 snprintf(buf1, MSG_SIZ, "%d. %s?%s ", matchGame, parseList[backwardMostMove], solvingTime == -2 ? " ???" : "");
8990 if(solvingTime == -2) second.matchWins++;
8992 OutputKibitz(2, buf1);
8993 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8996 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8997 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
9000 while( count < adjudicateLossPlies ) {
9001 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
9004 score = -score; /* Flip score for winning side */
9007 if( score > appData.adjudicateLossThreshold ) {
9014 if( count >= adjudicateLossPlies ) {
9015 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9017 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
9018 "Xboard adjudication",
9025 if(Adjudicate(cps)) {
9026 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9027 return; // [HGM] adjudicate: for all automatic game ends
9031 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
9033 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
9034 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
9036 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9038 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9040 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
9041 char buf[3*MSG_SIZ];
9043 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
9044 programStats.score / 100.,
9046 programStats.time / 100.,
9047 (unsigned int)programStats.nodes,
9048 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
9049 programStats.movelist);
9055 /* [AS] Clear stats for next move */
9056 ClearProgramStats();
9057 thinkOutput[0] = NULLCHAR;
9058 hiddenThinkOutputState = 0;
9061 if (gameMode == TwoMachinesPlay) {
9062 /* [HGM] relaying draw offers moved to after reception of move */
9063 /* and interpreting offer as claim if it brings draw condition */
9064 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
9065 SendToProgram("draw\n", cps->other);
9067 if (cps->other->sendTime) {
9068 SendTimeRemaining(cps->other,
9069 cps->other->twoMachinesColor[0] == 'w');
9071 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
9072 if (firstMove && !bookHit) {
9074 if (cps->other->useColors) {
9075 SendToProgram(cps->other->twoMachinesColor, cps->other);
9077 SendToProgram("go\n", cps->other);
9079 cps->other->maybeThinking = TRUE;
9082 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
9084 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9086 if (!pausing && appData.ringBellAfterMoves) {
9087 if(!roar) RingBell();
9091 * Reenable menu items that were disabled while
9092 * machine was thinking
9094 if (gameMode != TwoMachinesPlay)
9095 SetUserThinkingEnables();
9097 // [HGM] book: after book hit opponent has received move and is now in force mode
9098 // force the book reply into it, and then fake that it outputted this move by jumping
9099 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
9101 static char bookMove[MSG_SIZ]; // a bit generous?
9103 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
9104 strcat(bookMove, bookHit);
9107 programStats.nodes = programStats.depth = programStats.time =
9108 programStats.score = programStats.got_only_move = 0;
9109 sprintf(programStats.movelist, "%s (xbook)", bookHit);
9111 if(cps->lastPing != cps->lastPong) {
9112 savedMessage = message; // args for deferred call
9114 ScheduleDelayedEvent(DeferredBookMove, 10);
9123 /* Set special modes for chess engines. Later something general
9124 * could be added here; for now there is just one kludge feature,
9125 * needed because Crafty 15.10 and earlier don't ignore SIGINT
9126 * when "xboard" is given as an interactive command.
9128 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
9129 cps->useSigint = FALSE;
9130 cps->useSigterm = FALSE;
9132 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
9133 ParseFeatures(message+8, cps);
9134 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
9137 if (!strncmp(message, "setup ", 6) &&
9138 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
9139 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
9140 ) { // [HGM] allow first engine to define opening position
9141 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
9142 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
9144 if(sscanf(message, "setup (%s", buf) == 1) {
9145 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES);
9146 ASSIGN(appData.pieceToCharTable, buf);
9148 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
9150 while(message[s] && message[s++] != ' ');
9151 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
9152 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
9153 if(hand <= h) deadRanks = 0; else deadRanks = hand - h, h = hand; // adapt board to over-sized holdings
9154 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
9155 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
9156 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
9157 if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition
9158 startedFromSetupPosition = FALSE;
9161 if(startedFromSetupPosition) return;
9162 ParseFEN(boards[0], &dummy, message+s, FALSE);
9163 DrawPosition(TRUE, boards[0]);
9164 CopyBoard(initialPosition, boards[0]);
9165 startedFromSetupPosition = TRUE;
9168 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
9169 ChessSquare piece = WhitePawn;
9170 char *p=message+6, *q, *s = SUFFIXES, ID = *p, promoted = 0;
9171 if(*p == '+') promoted++, ID = *++p;
9172 if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
9173 piece = CharToPiece(ID & 255); if(promoted) piece = CHUPROMOTED(piece);
9174 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
9175 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
9176 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
9177 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
9178 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
9179 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
9180 && gameInfo.variant != VariantGreat
9181 && gameInfo.variant != VariantFairy ) return;
9182 if(piece < EmptySquare) {
9184 ASSIGN(pieceDesc[piece], buf1);
9185 if((ID & 32) == 0 && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
9189 if(!appData.testLegality && sscanf(message, "choice %s", promoRestrict) == 1) {
9191 LeftClick(Press, 0, 0); // finish the click that was interrupted
9192 } else if(promoSweep != EmptySquare) {
9193 promoSweep = CharToPiece(currentMove&1 ? ToLower(*promoRestrict) : ToUpper(*promoRestrict));
9194 if(strlen(promoRestrict) > 1) Sweep(0);
9198 /* [HGM] Allow engine to set up a position. Don't ask me why one would
9199 * want this, I was asked to put it in, and obliged.
9201 if (!strncmp(message, "setboard ", 9)) {
9202 Board initial_position;
9204 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
9206 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
9207 DisplayError(_("Bad FEN received from engine"), 0);
9211 CopyBoard(boards[0], initial_position);
9212 initialRulePlies = FENrulePlies;
9213 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
9214 else gameMode = MachinePlaysBlack;
9215 DrawPosition(FALSE, boards[currentMove]);
9221 * Look for communication commands
9223 if (!strncmp(message, "telluser ", 9)) {
9224 if(message[9] == '\\' && message[10] == '\\')
9225 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
9227 DisplayNote(message + 9);
9230 if (!strncmp(message, "tellusererror ", 14)) {
9232 if(message[14] == '\\' && message[15] == '\\')
9233 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
9235 DisplayError(message + 14, 0);
9238 if (!strncmp(message, "tellopponent ", 13)) {
9239 if (appData.icsActive) {
9241 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
9245 DisplayNote(message + 13);
9249 if (!strncmp(message, "tellothers ", 11)) {
9250 if (appData.icsActive) {
9252 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
9255 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
9258 if (!strncmp(message, "tellall ", 8)) {
9259 if (appData.icsActive) {
9261 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
9265 DisplayNote(message + 8);
9269 if (strncmp(message, "warning", 7) == 0) {
9270 /* Undocumented feature, use tellusererror in new code */
9271 DisplayError(message, 0);
9274 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
9275 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
9276 strcat(realname, " query");
9277 AskQuestion(realname, buf2, buf1, cps->pr);
9280 /* Commands from the engine directly to ICS. We don't allow these to be
9281 * sent until we are logged on. Crafty kibitzes have been known to
9282 * interfere with the login process.
9285 if (!strncmp(message, "tellics ", 8)) {
9286 SendToICS(message + 8);
9290 if (!strncmp(message, "tellicsnoalias ", 15)) {
9291 SendToICS(ics_prefix);
9292 SendToICS(message + 15);
9296 /* The following are for backward compatibility only */
9297 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9298 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9299 SendToICS(ics_prefix);
9305 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9306 if(initPing == cps->lastPong) {
9307 if(gameInfo.variant == VariantUnknown) {
9308 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9309 *engineVariant = NULLCHAR; ASSIGN(appData.variant, "normal"); // back to normal as error recovery?
9310 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9314 if(cps->lastPing == cps->lastPong && abortEngineThink) {
9315 abortEngineThink = FALSE;
9316 DisplayMessage("", "");
9321 if(!strncmp(message, "highlight ", 10)) {
9322 if(appData.testLegality && !*engineVariant && appData.markers) return;
9323 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9326 if(!strncmp(message, "click ", 6)) {
9327 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9328 if(appData.testLegality || !appData.oneClick) return;
9329 sscanf(message+6, "%c%d%c", &f, &y, &c);
9330 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9331 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9332 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9333 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9334 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9335 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9336 LeftClick(Release, lastLeftX, lastLeftY);
9337 controlKey = (c == ',');
9338 LeftClick(Press, x, y);
9339 LeftClick(Release, x, y);
9340 first.highlight = f;
9344 * If the move is illegal, cancel it and redraw the board.
9345 * Also deal with other error cases. Matching is rather loose
9346 * here to accommodate engines written before the spec.
9348 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9349 strncmp(message, "Error", 5) == 0) {
9350 if (StrStr(message, "name") ||
9351 StrStr(message, "rating") || StrStr(message, "?") ||
9352 StrStr(message, "result") || StrStr(message, "board") ||
9353 StrStr(message, "bk") || StrStr(message, "computer") ||
9354 StrStr(message, "variant") || StrStr(message, "hint") ||
9355 StrStr(message, "random") || StrStr(message, "depth") ||
9356 StrStr(message, "accepted")) {
9359 if (StrStr(message, "protover")) {
9360 /* Program is responding to input, so it's apparently done
9361 initializing, and this error message indicates it is
9362 protocol version 1. So we don't need to wait any longer
9363 for it to initialize and send feature commands. */
9364 FeatureDone(cps, 1);
9365 cps->protocolVersion = 1;
9368 cps->maybeThinking = FALSE;
9370 if (StrStr(message, "draw")) {
9371 /* Program doesn't have "draw" command */
9372 cps->sendDrawOffers = 0;
9375 if (cps->sendTime != 1 &&
9376 (StrStr(message, "time") || StrStr(message, "otim"))) {
9377 /* Program apparently doesn't have "time" or "otim" command */
9381 if (StrStr(message, "analyze")) {
9382 cps->analysisSupport = FALSE;
9383 cps->analyzing = FALSE;
9384 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9385 EditGameEvent(); // [HGM] try to preserve loaded game
9386 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9387 DisplayError(buf2, 0);
9390 if (StrStr(message, "(no matching move)st")) {
9391 /* Special kludge for GNU Chess 4 only */
9392 cps->stKludge = TRUE;
9393 SendTimeControl(cps, movesPerSession, timeControl,
9394 timeIncrement, appData.searchDepth,
9398 if (StrStr(message, "(no matching move)sd")) {
9399 /* Special kludge for GNU Chess 4 only */
9400 cps->sdKludge = TRUE;
9401 SendTimeControl(cps, movesPerSession, timeControl,
9402 timeIncrement, appData.searchDepth,
9406 if (!StrStr(message, "llegal")) {
9409 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9410 gameMode == IcsIdle) return;
9411 if (forwardMostMove <= backwardMostMove) return;
9412 if (pausing) PauseEvent();
9413 if(appData.forceIllegal) {
9414 // [HGM] illegal: machine refused move; force position after move into it
9415 SendToProgram("force\n", cps);
9416 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9417 // we have a real problem now, as SendBoard will use the a2a3 kludge
9418 // when black is to move, while there might be nothing on a2 or black
9419 // might already have the move. So send the board as if white has the move.
9420 // But first we must change the stm of the engine, as it refused the last move
9421 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9422 if(WhiteOnMove(forwardMostMove)) {
9423 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9424 SendBoard(cps, forwardMostMove); // kludgeless board
9426 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9427 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9428 SendBoard(cps, forwardMostMove+1); // kludgeless board
9430 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9431 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9432 gameMode == TwoMachinesPlay)
9433 SendToProgram("go\n", cps);
9436 if (gameMode == PlayFromGameFile) {
9437 /* Stop reading this game file */
9438 gameMode = EditGame;
9441 /* [HGM] illegal-move claim should forfeit game when Xboard */
9442 /* only passes fully legal moves */
9443 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9444 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9445 "False illegal-move claim", GE_XBOARD );
9446 return; // do not take back move we tested as valid
9448 currentMove = forwardMostMove-1;
9449 DisplayMove(currentMove-1); /* before DisplayMoveError */
9450 SwitchClocks(forwardMostMove-1); // [HGM] race
9451 DisplayBothClocks();
9452 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9453 parseList[currentMove], _(cps->which));
9454 DisplayMoveError(buf1);
9455 DrawPosition(FALSE, boards[currentMove]);
9457 SetUserThinkingEnables();
9460 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9461 /* Program has a broken "time" command that
9462 outputs a string not ending in newline.
9466 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9467 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9468 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9472 * If chess program startup fails, exit with an error message.
9473 * Attempts to recover here are futile. [HGM] Well, we try anyway
9475 if ((StrStr(message, "unknown host") != NULL)
9476 || (StrStr(message, "No remote directory") != NULL)
9477 || (StrStr(message, "not found") != NULL)
9478 || (StrStr(message, "No such file") != NULL)
9479 || (StrStr(message, "can't alloc") != NULL)
9480 || (StrStr(message, "Permission denied") != NULL)) {
9482 cps->maybeThinking = FALSE;
9483 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9484 _(cps->which), cps->program, cps->host, message);
9485 RemoveInputSource(cps->isr);
9486 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9487 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9488 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9494 * Look for hint output
9496 if (sscanf(message, "Hint: %s", buf1) == 1) {
9497 if (cps == &first && hintRequested) {
9498 hintRequested = FALSE;
9499 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9500 &fromX, &fromY, &toX, &toY, &promoChar)) {
9501 (void) CoordsToAlgebraic(boards[forwardMostMove],
9502 PosFlags(forwardMostMove),
9503 fromY, fromX, toY, toX, promoChar, buf1);
9504 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9505 DisplayInformation(buf2);
9507 /* Hint move could not be parsed!? */
9508 snprintf(buf2, sizeof(buf2),
9509 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9510 buf1, _(cps->which));
9511 DisplayError(buf2, 0);
9514 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9520 * Ignore other messages if game is not in progress
9522 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9523 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9526 * look for win, lose, draw, or draw offer
9528 if (strncmp(message, "1-0", 3) == 0) {
9529 char *p, *q, *r = "";
9530 p = strchr(message, '{');
9538 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9540 } else if (strncmp(message, "0-1", 3) == 0) {
9541 char *p, *q, *r = "";
9542 p = strchr(message, '{');
9550 /* Kludge for Arasan 4.1 bug */
9551 if (strcmp(r, "Black resigns") == 0) {
9552 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9555 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9557 } else if (strncmp(message, "1/2", 3) == 0) {
9558 char *p, *q, *r = "";
9559 p = strchr(message, '{');
9568 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9571 } else if (strncmp(message, "White resign", 12) == 0) {
9572 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9574 } else if (strncmp(message, "Black resign", 12) == 0) {
9575 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9577 } else if (strncmp(message, "White matches", 13) == 0 ||
9578 strncmp(message, "Black matches", 13) == 0 ) {
9579 /* [HGM] ignore GNUShogi noises */
9581 } else if (strncmp(message, "White", 5) == 0 &&
9582 message[5] != '(' &&
9583 StrStr(message, "Black") == NULL) {
9584 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9586 } else if (strncmp(message, "Black", 5) == 0 &&
9587 message[5] != '(') {
9588 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9590 } else if (strcmp(message, "resign") == 0 ||
9591 strcmp(message, "computer resigns") == 0) {
9593 case MachinePlaysBlack:
9594 case IcsPlayingBlack:
9595 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9597 case MachinePlaysWhite:
9598 case IcsPlayingWhite:
9599 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9601 case TwoMachinesPlay:
9602 if (cps->twoMachinesColor[0] == 'w')
9603 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9605 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9612 } else if (strncmp(message, "opponent mates", 14) == 0) {
9614 case MachinePlaysBlack:
9615 case IcsPlayingBlack:
9616 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9618 case MachinePlaysWhite:
9619 case IcsPlayingWhite:
9620 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9622 case TwoMachinesPlay:
9623 if (cps->twoMachinesColor[0] == 'w')
9624 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9626 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9633 } else if (strncmp(message, "computer mates", 14) == 0) {
9635 case MachinePlaysBlack:
9636 case IcsPlayingBlack:
9637 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9639 case MachinePlaysWhite:
9640 case IcsPlayingWhite:
9641 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9643 case TwoMachinesPlay:
9644 if (cps->twoMachinesColor[0] == 'w')
9645 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9647 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9654 } else if (strncmp(message, "checkmate", 9) == 0) {
9655 if (WhiteOnMove(forwardMostMove)) {
9656 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9658 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9661 } else if (strstr(message, "Draw") != NULL ||
9662 strstr(message, "game is a draw") != NULL) {
9663 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9665 } else if (strstr(message, "offer") != NULL &&
9666 strstr(message, "draw") != NULL) {
9668 if (appData.zippyPlay && first.initDone) {
9669 /* Relay offer to ICS */
9670 SendToICS(ics_prefix);
9671 SendToICS("draw\n");
9674 cps->offeredDraw = 2; /* valid until this engine moves twice */
9675 if (gameMode == TwoMachinesPlay) {
9676 if (cps->other->offeredDraw) {
9677 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9678 /* [HGM] in two-machine mode we delay relaying draw offer */
9679 /* until after we also have move, to see if it is really claim */
9681 } else if (gameMode == MachinePlaysWhite ||
9682 gameMode == MachinePlaysBlack) {
9683 if (userOfferedDraw) {
9684 DisplayInformation(_("Machine accepts your draw offer"));
9685 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9687 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9694 * Look for thinking output
9696 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9697 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9699 int plylev, mvleft, mvtot, curscore, time;
9700 char mvname[MOVE_LEN];
9704 int prefixHint = FALSE;
9705 mvname[0] = NULLCHAR;
9708 case MachinePlaysBlack:
9709 case IcsPlayingBlack:
9710 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9712 case MachinePlaysWhite:
9713 case IcsPlayingWhite:
9714 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9719 case IcsObserving: /* [DM] icsEngineAnalyze */
9720 if (!appData.icsEngineAnalyze) ignore = TRUE;
9722 case TwoMachinesPlay:
9723 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9733 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9736 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9737 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9738 char score_buf[MSG_SIZ];
9740 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9741 nodes += u64Const(0x100000000);
9743 if (plyext != ' ' && plyext != '\t') {
9747 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9748 if( cps->scoreIsAbsolute &&
9749 ( gameMode == MachinePlaysBlack ||
9750 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9751 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9752 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9753 !WhiteOnMove(currentMove)
9756 curscore = -curscore;
9759 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9761 if(*bestMove) { // rememer time best EPD move was first found
9762 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9763 ChessMove mt; char *p = bestMove;
9764 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9766 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9767 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9768 solvingTime = (solvingTime < 0 ? time : solvingTime);
9772 while(*p && *p != ' ') p++;
9773 while(*p == ' ') p++;
9775 if(!solved) solvingTime = -1;
9777 if(*avoidMove && !solved) {
9778 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9779 ChessMove mt; char *p = avoidMove, solved = 1;
9780 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9781 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9782 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9783 solved = 0; solvingTime = -2;
9786 while(*p && *p != ' ') p++;
9787 while(*p == ' ') p++;
9789 if(solved && !*bestMove) solvingTime = (solvingTime < 0 ? time : solvingTime);
9792 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9795 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9796 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9797 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9798 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9799 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9800 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9804 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9805 DisplayError(_("failed writing PV"), 0);
9808 tempStats.depth = plylev;
9809 tempStats.nodes = nodes;
9810 tempStats.time = time;
9811 tempStats.score = curscore;
9812 tempStats.got_only_move = 0;
9814 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9817 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9818 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9819 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9820 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9821 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9822 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9823 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9824 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9827 /* Buffer overflow protection */
9828 if (pv[0] != NULLCHAR) {
9829 if (strlen(pv) >= sizeof(tempStats.movelist)
9830 && appData.debugMode) {
9832 "PV is too long; using the first %u bytes.\n",
9833 (unsigned) sizeof(tempStats.movelist) - 1);
9836 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9838 sprintf(tempStats.movelist, " no PV\n");
9841 if (tempStats.seen_stat) {
9842 tempStats.ok_to_send = 1;
9845 if (strchr(tempStats.movelist, '(') != NULL) {
9846 tempStats.line_is_book = 1;
9847 tempStats.nr_moves = 0;
9848 tempStats.moves_left = 0;
9850 tempStats.line_is_book = 0;
9853 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9854 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9856 SendProgramStatsToFrontend( cps, &tempStats );
9859 [AS] Protect the thinkOutput buffer from overflow... this
9860 is only useful if buf1 hasn't overflowed first!
9862 if((gameMode == AnalyzeMode && appData.whitePOV || appData.scoreWhite) && !WhiteOnMove(forwardMostMove)) curscore *= -1;
9863 if(curscore >= MATE_SCORE)
9864 snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
9865 else if(curscore <= -MATE_SCORE)
9866 snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
9868 snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
9869 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
9871 (gameMode == TwoMachinesPlay ?
9872 ToUpper(cps->twoMachinesColor[0]) : ' '),
9874 prefixHint ? lastHint : "",
9875 prefixHint ? " " : "" );
9877 if( buf1[0] != NULLCHAR ) {
9878 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9880 if( strlen(pv) > max_len ) {
9881 if( appData.debugMode) {
9882 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9884 pv[max_len+1] = '\0';
9887 strcat( thinkOutput, pv);
9890 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9891 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9892 DisplayMove(currentMove - 1);
9896 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9897 /* crafty (9.25+) says "(only move) <move>"
9898 * if there is only 1 legal move
9900 sscanf(p, "(only move) %s", buf1);
9901 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9902 sprintf(programStats.movelist, "%s (only move)", buf1);
9903 programStats.depth = 1;
9904 programStats.nr_moves = 1;
9905 programStats.moves_left = 1;
9906 programStats.nodes = 1;
9907 programStats.time = 1;
9908 programStats.got_only_move = 1;
9910 /* Not really, but we also use this member to
9911 mean "line isn't going to change" (Crafty
9912 isn't searching, so stats won't change) */
9913 programStats.line_is_book = 1;
9915 SendProgramStatsToFrontend( cps, &programStats );
9917 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9918 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9919 DisplayMove(currentMove - 1);
9922 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9923 &time, &nodes, &plylev, &mvleft,
9924 &mvtot, mvname) >= 5) {
9925 /* The stat01: line is from Crafty (9.29+) in response
9926 to the "." command */
9927 programStats.seen_stat = 1;
9928 cps->maybeThinking = TRUE;
9930 if (programStats.got_only_move || !appData.periodicUpdates)
9933 programStats.depth = plylev;
9934 programStats.time = time;
9935 programStats.nodes = nodes;
9936 programStats.moves_left = mvleft;
9937 programStats.nr_moves = mvtot;
9938 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9939 programStats.ok_to_send = 1;
9940 programStats.movelist[0] = '\0';
9942 SendProgramStatsToFrontend( cps, &programStats );
9946 } else if (strncmp(message,"++",2) == 0) {
9947 /* Crafty 9.29+ outputs this */
9948 programStats.got_fail = 2;
9951 } else if (strncmp(message,"--",2) == 0) {
9952 /* Crafty 9.29+ outputs this */
9953 programStats.got_fail = 1;
9956 } else if (thinkOutput[0] != NULLCHAR &&
9957 strncmp(message, " ", 4) == 0) {
9958 unsigned message_len;
9961 while (*p && *p == ' ') p++;
9963 message_len = strlen( p );
9965 /* [AS] Avoid buffer overflow */
9966 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9967 strcat(thinkOutput, " ");
9968 strcat(thinkOutput, p);
9971 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9972 strcat(programStats.movelist, " ");
9973 strcat(programStats.movelist, p);
9976 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9977 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9978 DisplayMove(currentMove - 1);
9986 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9987 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9989 ChessProgramStats cpstats;
9991 if (plyext != ' ' && plyext != '\t') {
9995 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9996 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9997 curscore = -curscore;
10000 cpstats.depth = plylev;
10001 cpstats.nodes = nodes;
10002 cpstats.time = time;
10003 cpstats.score = curscore;
10004 cpstats.got_only_move = 0;
10005 cpstats.movelist[0] = '\0';
10007 if (buf1[0] != NULLCHAR) {
10008 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
10011 cpstats.ok_to_send = 0;
10012 cpstats.line_is_book = 0;
10013 cpstats.nr_moves = 0;
10014 cpstats.moves_left = 0;
10016 SendProgramStatsToFrontend( cps, &cpstats );
10023 /* Parse a game score from the character string "game", and
10024 record it as the history of the current game. The game
10025 score is NOT assumed to start from the standard position.
10026 The display is not updated in any way.
10029 ParseGameHistory (char *game)
10031 ChessMove moveType;
10032 int fromX, fromY, toX, toY, boardIndex;
10037 if (appData.debugMode)
10038 fprintf(debugFP, "Parsing game history: %s\n", game);
10040 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
10041 gameInfo.site = StrSave(appData.icsHost);
10042 gameInfo.date = PGNDate();
10043 gameInfo.round = StrSave("-");
10045 /* Parse out names of players */
10046 while (*game == ' ') game++;
10048 while (*game != ' ') *p++ = *game++;
10050 gameInfo.white = StrSave(buf);
10051 while (*game == ' ') game++;
10053 while (*game != ' ' && *game != '\n') *p++ = *game++;
10055 gameInfo.black = StrSave(buf);
10058 boardIndex = blackPlaysFirst ? 1 : 0;
10061 yyboardindex = boardIndex;
10062 moveType = (ChessMove) Myylex();
10063 switch (moveType) {
10064 case IllegalMove: /* maybe suicide chess, etc. */
10065 if (appData.debugMode) {
10066 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
10067 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10068 setbuf(debugFP, NULL);
10070 case WhitePromotion:
10071 case BlackPromotion:
10072 case WhiteNonPromotion:
10073 case BlackNonPromotion:
10076 case WhiteCapturesEnPassant:
10077 case BlackCapturesEnPassant:
10078 case WhiteKingSideCastle:
10079 case WhiteQueenSideCastle:
10080 case BlackKingSideCastle:
10081 case BlackQueenSideCastle:
10082 case WhiteKingSideCastleWild:
10083 case WhiteQueenSideCastleWild:
10084 case BlackKingSideCastleWild:
10085 case BlackQueenSideCastleWild:
10087 case WhiteHSideCastleFR:
10088 case WhiteASideCastleFR:
10089 case BlackHSideCastleFR:
10090 case BlackASideCastleFR:
10092 fromX = currentMoveString[0] - AAA;
10093 fromY = currentMoveString[1] - ONE;
10094 toX = currentMoveString[2] - AAA;
10095 toY = currentMoveString[3] - ONE;
10096 promoChar = currentMoveString[4];
10100 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
10101 fromX = moveType == WhiteDrop ?
10102 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10103 (int) CharToPiece(ToLower(currentMoveString[0]));
10105 toX = currentMoveString[2] - AAA;
10106 toY = currentMoveString[3] - ONE;
10107 promoChar = NULLCHAR;
10109 case AmbiguousMove:
10111 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
10112 if (appData.debugMode) {
10113 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
10114 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10115 setbuf(debugFP, NULL);
10117 DisplayError(buf, 0);
10119 case ImpossibleMove:
10121 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
10122 if (appData.debugMode) {
10123 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
10124 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10125 setbuf(debugFP, NULL);
10127 DisplayError(buf, 0);
10130 if (boardIndex < backwardMostMove) {
10131 /* Oops, gap. How did that happen? */
10132 DisplayError(_("Gap in move list"), 0);
10135 backwardMostMove = blackPlaysFirst ? 1 : 0;
10136 if (boardIndex > forwardMostMove) {
10137 forwardMostMove = boardIndex;
10141 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
10142 strcat(parseList[boardIndex-1], " ");
10143 strcat(parseList[boardIndex-1], yy_text);
10155 case GameUnfinished:
10156 if (gameMode == IcsExamining) {
10157 if (boardIndex < backwardMostMove) {
10158 /* Oops, gap. How did that happen? */
10161 backwardMostMove = blackPlaysFirst ? 1 : 0;
10164 gameInfo.result = moveType;
10165 p = strchr(yy_text, '{');
10166 if (p == NULL) p = strchr(yy_text, '(');
10169 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10171 q = strchr(p, *p == '{' ? '}' : ')');
10172 if (q != NULL) *q = NULLCHAR;
10175 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10176 gameInfo.resultDetails = StrSave(p);
10179 if (boardIndex >= forwardMostMove &&
10180 !(gameMode == IcsObserving && ics_gamenum == -1)) {
10181 backwardMostMove = blackPlaysFirst ? 1 : 0;
10184 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
10185 fromY, fromX, toY, toX, promoChar,
10186 parseList[boardIndex]);
10187 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
10188 /* currentMoveString is set as a side-effect of yylex */
10189 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
10190 strcat(moveList[boardIndex], "\n");
10192 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
10193 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
10199 if(!IS_SHOGI(gameInfo.variant))
10200 strcat(parseList[boardIndex - 1], "+");
10204 strcat(parseList[boardIndex - 1], "#");
10211 /* Apply a move to the given board */
10213 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
10215 ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, berolina = 0;
10216 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
10218 /* [HGM] compute & store e.p. status and castling rights for new position */
10219 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
10221 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
10222 oldEP = (signed char)board[EP_FILE]; epRank = board[EP_RANK];
10223 board[EP_STATUS] = EP_NONE;
10224 board[EP_FILE] = board[EP_RANK] = 100;
10226 if (fromY == DROP_RANK) {
10227 /* must be first */
10228 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
10229 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
10232 piece = board[toY][toX] = (ChessSquare) fromX;
10234 // ChessSquare victim;
10237 if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
10238 // victim = board[killY][killX],
10239 killed = board[killY][killX],
10240 board[killY][killX] = EmptySquare,
10241 board[EP_STATUS] = EP_CAPTURE;
10242 if( kill2X >= 0 && kill2Y >= 0)
10243 killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
10246 if( board[toY][toX] != EmptySquare ) {
10247 board[EP_STATUS] = EP_CAPTURE;
10248 if( (fromX != toX || fromY != toY) && // not igui!
10249 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
10250 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
10251 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
10255 pawn = board[fromY][fromX];
10256 if( pawn == WhiteLance || pawn == BlackLance ) {
10257 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
10258 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
10259 else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
10262 if( pawn == WhitePawn ) {
10263 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10264 board[EP_STATUS] = EP_PAWN_MOVE;
10265 if( toY-fromY>=2) {
10266 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
10267 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
10268 gameInfo.variant != VariantBerolina || toX < fromX)
10269 board[EP_STATUS] = toX | berolina;
10270 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
10271 gameInfo.variant != VariantBerolina || toX > fromX)
10272 board[EP_STATUS] = toX;
10275 if( pawn == BlackPawn ) {
10276 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10277 board[EP_STATUS] = EP_PAWN_MOVE;
10278 if( toY-fromY<= -2) {
10279 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
10280 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10281 gameInfo.variant != VariantBerolina || toX < fromX)
10282 board[EP_STATUS] = toX | berolina;
10283 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10284 gameInfo.variant != VariantBerolina || toX > fromX)
10285 board[EP_STATUS] = toX;
10289 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10290 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10291 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10292 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10294 for(i=0; i<nrCastlingRights; i++) {
10295 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10296 board[CASTLING][i] == toX && castlingRank[i] == toY
10297 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10300 if(gameInfo.variant == VariantSChess) { // update virginity
10301 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10302 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10303 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10304 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10307 if (fromX == toX && fromY == toY && killX < 0) return;
10309 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10310 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10311 if(gameInfo.variant == VariantKnightmate)
10312 king += (int) WhiteUnicorn - (int) WhiteKing;
10314 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10315 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10316 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10317 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10318 board[EP_STATUS] = EP_NONE; // capture was fake!
10320 if(nrCastlingRights == 0 && board[toY][toX] < EmptySquare && (piece < BlackPawn) == (board[toY][toX] < BlackPawn)) {
10321 board[fromY][fromX] = board[toY][toX]; // capture own will lead to swapping
10322 board[toY][toX] = piece;
10323 board[EP_STATUS] = EP_NONE; // capture was fake!
10325 /* Code added by Tord: */
10326 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10327 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10328 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10329 board[EP_STATUS] = EP_NONE; // capture was fake!
10330 board[fromY][fromX] = EmptySquare;
10331 board[toY][toX] = EmptySquare;
10332 if((toX > fromX) != (piece == WhiteRook)) {
10333 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10335 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10337 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10338 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10339 board[EP_STATUS] = EP_NONE;
10340 board[fromY][fromX] = EmptySquare;
10341 board[toY][toX] = EmptySquare;
10342 if((toX > fromX) != (piece == BlackRook)) {
10343 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10345 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10347 /* End of code added by Tord */
10349 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10350 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10351 board[toY][toX] = piece;
10352 } else if (board[fromY][fromX] == king
10353 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10354 && toY == fromY && toX > fromX+1) {
10355 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++)
10356 ; // castle with nearest piece
10357 board[fromY][toX-1] = board[fromY][rookX];
10358 board[fromY][rookX] = EmptySquare;
10359 board[fromY][fromX] = EmptySquare;
10360 board[toY][toX] = king;
10361 } else if (board[fromY][fromX] == king
10362 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10363 && toY == fromY && toX < fromX-1) {
10364 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--)
10365 ; // castle with nearest piece
10366 board[fromY][toX+1] = board[fromY][rookX];
10367 board[fromY][rookX] = EmptySquare;
10368 board[fromY][fromX] = EmptySquare;
10369 board[toY][toX] = king;
10370 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10371 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10372 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10374 /* white pawn promotion */
10375 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10376 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10377 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10378 board[fromY][fromX] = EmptySquare;
10379 } else if ((fromY >= BOARD_HEIGHT>>1)
10380 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10382 && gameInfo.variant != VariantXiangqi
10383 && gameInfo.variant != VariantBerolina
10384 && (pawn == WhitePawn)
10385 && (board[toY][toX] == EmptySquare)) {
10386 board[fromY][fromX] = EmptySquare;
10387 board[toY][toX] = piece;
10388 if(toY == epRank - 128 + 1)
10389 captured = board[toY - 2][toX], board[toY - 2][toX] = EmptySquare;
10391 captured = board[toY - 1][toX], board[toY - 1][toX] = EmptySquare;
10392 } else if ((fromY == BOARD_HEIGHT-4)
10394 && gameInfo.variant == VariantBerolina
10395 && (board[fromY][fromX] == WhitePawn)
10396 && (board[toY][toX] == EmptySquare)) {
10397 board[fromY][fromX] = EmptySquare;
10398 board[toY][toX] = WhitePawn;
10399 if(oldEP & EP_BEROLIN_A) {
10400 captured = board[fromY][fromX-1];
10401 board[fromY][fromX-1] = EmptySquare;
10402 }else{ captured = board[fromY][fromX+1];
10403 board[fromY][fromX+1] = EmptySquare;
10405 } else if (board[fromY][fromX] == king
10406 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10407 && toY == fromY && toX > fromX+1) {
10408 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++)
10410 board[fromY][toX-1] = board[fromY][rookX];
10411 board[fromY][rookX] = EmptySquare;
10412 board[fromY][fromX] = EmptySquare;
10413 board[toY][toX] = king;
10414 } else if (board[fromY][fromX] == king
10415 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10416 && toY == fromY && toX < fromX-1) {
10417 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--)
10419 board[fromY][toX+1] = board[fromY][rookX];
10420 board[fromY][rookX] = EmptySquare;
10421 board[fromY][fromX] = EmptySquare;
10422 board[toY][toX] = king;
10423 } else if (fromY == 7 && fromX == 3
10424 && board[fromY][fromX] == BlackKing
10425 && toY == 7 && toX == 5) {
10426 board[fromY][fromX] = EmptySquare;
10427 board[toY][toX] = BlackKing;
10428 board[fromY][7] = EmptySquare;
10429 board[toY][4] = BlackRook;
10430 } else if (fromY == 7 && fromX == 3
10431 && board[fromY][fromX] == BlackKing
10432 && toY == 7 && toX == 1) {
10433 board[fromY][fromX] = EmptySquare;
10434 board[toY][toX] = BlackKing;
10435 board[fromY][0] = EmptySquare;
10436 board[toY][2] = BlackRook;
10437 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10438 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10439 && toY < promoRank && promoChar
10441 /* black pawn promotion */
10442 board[toY][toX] = CharToPiece(ToLower(promoChar));
10443 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10444 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10445 board[fromY][fromX] = EmptySquare;
10446 } else if ((fromY < BOARD_HEIGHT>>1)
10447 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10449 && gameInfo.variant != VariantXiangqi
10450 && gameInfo.variant != VariantBerolina
10451 && (pawn == BlackPawn)
10452 && (board[toY][toX] == EmptySquare)) {
10453 board[fromY][fromX] = EmptySquare;
10454 board[toY][toX] = piece;
10455 if(toY == epRank - 128 - 1)
10456 captured = board[toY + 2][toX], board[toY + 2][toX] = EmptySquare;
10458 captured = board[toY + 1][toX], board[toY + 1][toX] = EmptySquare;
10459 } else if ((fromY == 3)
10461 && gameInfo.variant == VariantBerolina
10462 && (board[fromY][fromX] == BlackPawn)
10463 && (board[toY][toX] == EmptySquare)) {
10464 board[fromY][fromX] = EmptySquare;
10465 board[toY][toX] = BlackPawn;
10466 if(oldEP & EP_BEROLIN_A) {
10467 captured = board[fromY][fromX-1];
10468 board[fromY][fromX-1] = EmptySquare;
10469 }else{ captured = board[fromY][fromX+1];
10470 board[fromY][fromX+1] = EmptySquare;
10473 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10474 board[fromY][fromX] = EmptySquare;
10475 board[toY][toX] = piece;
10479 if (gameInfo.holdingsWidth != 0) {
10481 /* !!A lot more code needs to be written to support holdings */
10482 /* [HGM] OK, so I have written it. Holdings are stored in the */
10483 /* penultimate board files, so they are automaticlly stored */
10484 /* in the game history. */
10485 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10486 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10487 /* Delete from holdings, by decreasing count */
10488 /* and erasing image if necessary */
10489 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10490 if(p < (int) BlackPawn) { /* white drop */
10491 p -= (int)WhitePawn;
10492 p = PieceToNumber((ChessSquare)p);
10493 if(p >= gameInfo.holdingsSize) p = 0;
10494 if(--board[p][BOARD_WIDTH-2] <= 0)
10495 board[p][BOARD_WIDTH-1] = EmptySquare;
10496 if((int)board[p][BOARD_WIDTH-2] < 0)
10497 board[p][BOARD_WIDTH-2] = 0;
10498 } else { /* black drop */
10499 p -= (int)BlackPawn;
10500 p = PieceToNumber((ChessSquare)p);
10501 if(p >= gameInfo.holdingsSize) p = 0;
10502 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10503 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10504 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10505 board[BOARD_HEIGHT-1-p][1] = 0;
10508 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10509 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10510 /* [HGM] holdings: Add to holdings, if holdings exist */
10511 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10512 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10513 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10515 p = (int) captured;
10516 if (p >= (int) BlackPawn) {
10517 p -= (int)BlackPawn;
10518 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10519 /* Restore shogi-promoted piece to its original first */
10520 captured = (ChessSquare) (DEMOTED(captured));
10523 p = PieceToNumber((ChessSquare)p);
10524 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10525 board[p][BOARD_WIDTH-2]++;
10526 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10528 p -= (int)WhitePawn;
10529 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10530 captured = (ChessSquare) (DEMOTED(captured));
10533 p = PieceToNumber((ChessSquare)p);
10534 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10535 board[BOARD_HEIGHT-1-p][1]++;
10536 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10539 } else if (gameInfo.variant == VariantAtomic) {
10540 if (captured != EmptySquare) {
10542 for (y = toY-1; y <= toY+1; y++) {
10543 for (x = toX-1; x <= toX+1; x++) {
10544 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10545 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10546 board[y][x] = EmptySquare;
10550 board[toY][toX] = EmptySquare;
10554 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10555 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10557 if(promoChar == '+') {
10558 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10559 board[toY][toX] = (ChessSquare) (CHUPROMOTED(piece));
10560 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10561 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10562 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10563 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10564 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10565 && pieceToChar[PROMOTED(newPiece)] == '~') newPiece = PROMOTED(newPiece);// but promoted version available
10566 board[toY][toX] = newPiece;
10568 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10569 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10570 // [HGM] superchess: take promotion piece out of holdings
10571 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10572 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10573 if(!--board[k][BOARD_WIDTH-2])
10574 board[k][BOARD_WIDTH-1] = EmptySquare;
10576 if(!--board[BOARD_HEIGHT-1-k][1])
10577 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10582 /* Updates forwardMostMove */
10584 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10586 int x = toX, y = toY;
10587 char *s = parseList[forwardMostMove];
10588 ChessSquare p = boards[forwardMostMove][toY][toX];
10589 // forwardMostMove++; // [HGM] bare: moved downstream
10591 if(kill2X >= 0) x = kill2X, y = kill2Y; else
10592 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10593 (void) CoordsToAlgebraic(boards[forwardMostMove],
10594 PosFlags(forwardMostMove),
10595 fromY, fromX, y, x, (killX < 0)*promoChar,
10597 if(kill2X >= 0 && kill2Y >= 0)
10598 sprintf(s + strlen(s), "x%c%d", killX + AAA, killY + ONE - '0'); // 2nd leg of 3-leg move is always capture
10599 if(killX >= 0 && killY >= 0)
10600 sprintf(s + strlen(s), "%c%c%d%c", p == EmptySquare || toX == fromX && toY == fromY || toX== kill2X && toY == kill2Y ? '-' : 'x',
10601 toX + AAA, toY + ONE - '0', promoChar);
10603 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10604 int timeLeft; static int lastLoadFlag=0; int king, piece;
10605 piece = boards[forwardMostMove][fromY][fromX];
10606 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10607 if(gameInfo.variant == VariantKnightmate)
10608 king += (int) WhiteUnicorn - (int) WhiteKing;
10609 if(forwardMostMove == 0) {
10610 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10611 fprintf(serverMoves, "%s;", UserName());
10612 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10613 fprintf(serverMoves, "%s;", second.tidy);
10614 fprintf(serverMoves, "%s;", first.tidy);
10615 if(gameMode == MachinePlaysWhite)
10616 fprintf(serverMoves, "%s;", UserName());
10617 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10618 fprintf(serverMoves, "%s;", second.tidy);
10619 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10620 lastLoadFlag = loadFlag;
10622 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10623 // print castling suffix
10624 if( toY == fromY && piece == king ) {
10626 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10628 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10631 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10632 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10633 boards[forwardMostMove][toY][toX] == EmptySquare
10634 && fromX != toX && fromY != toY)
10635 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10636 // promotion suffix
10637 if(promoChar != NULLCHAR) {
10638 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10639 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10640 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10641 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10644 char buf[MOVE_LEN*2], *p; int len;
10645 fprintf(serverMoves, "/%d/%d",
10646 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10647 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10648 else timeLeft = blackTimeRemaining/1000;
10649 fprintf(serverMoves, "/%d", timeLeft);
10650 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10651 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10652 if(p = strchr(buf, '=')) *p = NULLCHAR;
10653 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10654 fprintf(serverMoves, "/%s", buf);
10656 fflush(serverMoves);
10659 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10660 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10663 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10664 if (commentList[forwardMostMove+1] != NULL) {
10665 free(commentList[forwardMostMove+1]);
10666 commentList[forwardMostMove+1] = NULL;
10668 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10669 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10670 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10671 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10672 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10673 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10674 adjustedClock = FALSE;
10675 gameInfo.result = GameUnfinished;
10676 if (gameInfo.resultDetails != NULL) {
10677 free(gameInfo.resultDetails);
10678 gameInfo.resultDetails = NULL;
10680 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10681 moveList[forwardMostMove - 1]);
10682 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10688 if(!IS_SHOGI(gameInfo.variant))
10689 strcat(parseList[forwardMostMove - 1], "+");
10693 strcat(parseList[forwardMostMove - 1], "#");
10698 /* Updates currentMove if not pausing */
10700 ShowMove (int fromX, int fromY, int toX, int toY)
10702 int instant = (gameMode == PlayFromGameFile) ?
10703 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10704 if(appData.noGUI) return;
10705 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10707 if (forwardMostMove == currentMove + 1) {
10708 AnimateMove(boards[forwardMostMove - 1],
10709 fromX, fromY, toX, toY);
10712 currentMove = forwardMostMove;
10715 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
10717 if (instant) return;
10719 DisplayMove(currentMove - 1);
10720 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10721 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10722 SetHighlights(fromX, fromY, toX, toY);
10725 DrawPosition(FALSE, boards[currentMove]);
10726 DisplayBothClocks();
10727 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10731 SendEgtPath (ChessProgramState *cps)
10732 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10733 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10735 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10738 char c, *q = name+1, *r, *s;
10740 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10741 while(*p && *p != ',') *q++ = *p++;
10742 *q++ = ':'; *q = 0;
10743 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10744 strcmp(name, ",nalimov:") == 0 ) {
10745 // take nalimov path from the menu-changeable option first, if it is defined
10746 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10747 SendToProgram(buf,cps); // send egtbpath command for nalimov
10749 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10750 (s = StrStr(appData.egtFormats, name)) != NULL) {
10751 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10752 s = r = StrStr(s, ":") + 1; // beginning of path info
10753 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10754 c = *r; *r = 0; // temporarily null-terminate path info
10755 *--q = 0; // strip of trailig ':' from name
10756 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10758 SendToProgram(buf,cps); // send egtbpath command for this format
10760 if(*p == ',') p++; // read away comma to position for next format name
10765 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10767 int width = 8, height = 8, holdings = 0; // most common sizes
10768 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10769 // correct the deviations default for each variant
10770 if( v == VariantXiangqi ) width = 9, height = 10;
10771 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10772 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10773 if( v == VariantCapablanca || v == VariantCapaRandom ||
10774 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10776 if( v == VariantCourier ) width = 12;
10777 if( v == VariantSuper ) holdings = 8;
10778 if( v == VariantGreat ) width = 10, holdings = 8;
10779 if( v == VariantSChess ) holdings = 7;
10780 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10781 if( v == VariantChuChess) width = 10, height = 10;
10782 if( v == VariantChu ) width = 12, height = 12;
10783 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10784 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10785 holdingsSize >= 0 && holdingsSize != holdings;
10788 char variantError[MSG_SIZ];
10791 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10792 { // returns error message (recognizable by upper-case) if engine does not support the variant
10793 char *p, *variant = VariantName(v);
10794 static char b[MSG_SIZ];
10795 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10796 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10797 holdingsSize, variant); // cook up sized variant name
10798 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10799 if(StrStr(list, b) == NULL) {
10800 // specific sized variant not known, check if general sizing allowed
10801 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10802 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10803 boardWidth, boardHeight, holdingsSize, engine);
10806 /* [HGM] here we really should compare with the maximum supported board size */
10808 } else snprintf(b, MSG_SIZ,"%s", variant);
10809 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10810 p = StrStr(list, b);
10811 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10813 // occurs not at all in list, or only as sub-string
10814 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10815 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10816 int l = strlen(variantError);
10818 while(p != list && p[-1] != ',') p--;
10819 q = strchr(p, ',');
10820 if(q) *q = NULLCHAR;
10821 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10830 InitChessProgram (ChessProgramState *cps, int setup)
10831 /* setup needed to setup FRC opening position */
10833 char buf[MSG_SIZ], *b;
10834 if (appData.noChessProgram) return;
10835 hintRequested = FALSE;
10836 bookRequested = FALSE;
10838 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10839 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10840 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10841 if(cps->memSize) { /* [HGM] memory */
10842 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10843 SendToProgram(buf, cps);
10845 SendEgtPath(cps); /* [HGM] EGT */
10846 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10847 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10848 SendToProgram(buf, cps);
10851 setboardSpoiledMachineBlack = FALSE;
10852 SendToProgram(cps->initString, cps);
10853 if (gameInfo.variant != VariantNormal &&
10854 gameInfo.variant != VariantLoadable
10855 /* [HGM] also send variant if board size non-standard */
10856 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10858 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10859 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10863 char c, *q = cps->variants, *p = strchr(q, ',');
10864 if(p) *p = NULLCHAR;
10865 v = StringToVariant(q);
10866 DisplayError(variantError, 0);
10867 if(v != VariantUnknown && cps == &first) {
10869 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10870 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10871 ASSIGN(appData.variant, q);
10872 Reset(TRUE, FALSE);
10878 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10879 SendToProgram(buf, cps);
10881 currentlyInitializedVariant = gameInfo.variant;
10883 /* [HGM] send opening position in FRC to first engine */
10885 SendToProgram("force\n", cps);
10887 /* engine is now in force mode! Set flag to wake it up after first move. */
10888 setboardSpoiledMachineBlack = 1;
10891 if (cps->sendICS) {
10892 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10893 SendToProgram(buf, cps);
10895 cps->maybeThinking = FALSE;
10896 cps->offeredDraw = 0;
10897 if (!appData.icsActive) {
10898 SendTimeControl(cps, movesPerSession, timeControl,
10899 timeIncrement, appData.searchDepth,
10902 if (appData.showThinking
10903 // [HGM] thinking: four options require thinking output to be sent
10904 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10906 SendToProgram("post\n", cps);
10908 SendToProgram("hard\n", cps);
10909 if (!appData.ponderNextMove) {
10910 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10911 it without being sure what state we are in first. "hard"
10912 is not a toggle, so that one is OK.
10914 SendToProgram("easy\n", cps);
10916 if (cps->usePing) {
10917 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10918 SendToProgram(buf, cps);
10920 cps->initDone = TRUE;
10921 ClearEngineOutputPane(cps == &second);
10926 ResendOptions (ChessProgramState *cps)
10927 { // send the stored value of the options
10930 Option *opt = cps->option;
10931 for(i=0; i<cps->nrOptions; i++, opt++) {
10932 switch(opt->type) {
10936 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10939 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10942 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10948 SendToProgram(buf, cps);
10953 StartChessProgram (ChessProgramState *cps)
10958 if (appData.noChessProgram) return;
10959 cps->initDone = FALSE;
10961 if (strcmp(cps->host, "localhost") == 0) {
10962 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10963 } else if (*appData.remoteShell == NULLCHAR) {
10964 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10966 if (*appData.remoteUser == NULLCHAR) {
10967 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10970 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10971 cps->host, appData.remoteUser, cps->program);
10973 err = StartChildProcess(buf, "", &cps->pr);
10977 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10978 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10979 if(cps != &first) return;
10980 appData.noChessProgram = TRUE;
10983 // DisplayFatalError(buf, err, 1);
10984 // cps->pr = NoProc;
10985 // cps->isr = NULL;
10989 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10990 if (cps->protocolVersion > 1) {
10991 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10992 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10993 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10994 cps->comboCnt = 0; // and values of combo boxes
10996 SendToProgram(buf, cps);
10997 if(cps->reload) ResendOptions(cps);
10999 SendToProgram("xboard\n", cps);
11004 TwoMachinesEventIfReady P((void))
11006 static int curMess = 0;
11007 if (first.lastPing != first.lastPong) {
11008 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
11009 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
11012 if (second.lastPing != second.lastPong) {
11013 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
11014 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
11017 DisplayMessage("", ""); curMess = 0;
11018 TwoMachinesEvent();
11022 MakeName (char *template)
11026 static char buf[MSG_SIZ];
11030 clock = time((time_t *)NULL);
11031 tm = localtime(&clock);
11033 while(*p++ = *template++) if(p[-1] == '%') {
11034 switch(*template++) {
11035 case 0: *p = 0; return buf;
11036 case 'Y': i = tm->tm_year+1900; break;
11037 case 'y': i = tm->tm_year-100; break;
11038 case 'M': i = tm->tm_mon+1; break;
11039 case 'd': i = tm->tm_mday; break;
11040 case 'h': i = tm->tm_hour; break;
11041 case 'm': i = tm->tm_min; break;
11042 case 's': i = tm->tm_sec; break;
11045 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
11051 CountPlayers (char *p)
11054 while(p = strchr(p, '\n')) p++, n++; // count participants
11059 WriteTourneyFile (char *results, FILE *f)
11060 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
11061 if(f == NULL) f = fopen(appData.tourneyFile, "w");
11062 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
11063 // create a file with tournament description
11064 fprintf(f, "-participants {%s}\n", appData.participants);
11065 fprintf(f, "-seedBase %d\n", appData.seedBase);
11066 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
11067 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
11068 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
11069 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
11070 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
11071 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
11072 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
11073 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
11074 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
11075 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
11076 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
11077 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
11078 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
11079 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
11080 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
11081 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
11082 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
11083 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
11084 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
11085 fprintf(f, "-smpCores %d\n", appData.smpCores);
11087 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
11089 fprintf(f, "-mps %d\n", appData.movesPerSession);
11090 fprintf(f, "-tc %s\n", appData.timeControl);
11091 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
11093 fprintf(f, "-results \"%s\"\n", results);
11098 char *command[MAXENGINES], *mnemonic[MAXENGINES];
11101 Substitute (char *participants, int expunge)
11103 int i, changed, changes=0, nPlayers=0;
11104 char *p, *q, *r, buf[MSG_SIZ];
11105 if(participants == NULL) return;
11106 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
11107 r = p = participants; q = appData.participants;
11108 while(*p && *p == *q) {
11109 if(*p == '\n') r = p+1, nPlayers++;
11112 if(*p) { // difference
11113 while(*p && *p++ != '\n')
11115 while(*q && *q++ != '\n')
11117 changed = nPlayers;
11118 changes = 1 + (strcmp(p, q) != 0);
11120 if(changes == 1) { // a single engine mnemonic was changed
11121 q = r; while(*q) nPlayers += (*q++ == '\n');
11122 p = buf; while(*r && (*p = *r++) != '\n') p++;
11124 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11125 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
11126 if(mnemonic[i]) { // The substitute is valid
11128 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
11129 flock(fileno(f), LOCK_EX);
11130 ParseArgsFromFile(f);
11131 fseek(f, 0, SEEK_SET);
11132 FREE(appData.participants); appData.participants = participants;
11133 if(expunge) { // erase results of replaced engine
11134 int len = strlen(appData.results), w, b, dummy;
11135 for(i=0; i<len; i++) {
11136 Pairing(i, nPlayers, &w, &b, &dummy);
11137 if((w == changed || b == changed) && appData.results[i] == '*') {
11138 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
11143 for(i=0; i<len; i++) {
11144 Pairing(i, nPlayers, &w, &b, &dummy);
11145 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
11148 WriteTourneyFile(appData.results, f);
11149 fclose(f); // release lock
11152 } else DisplayError(_("No engine with the name you gave is installed"), 0);
11154 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
11155 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
11156 free(participants);
11161 CheckPlayers (char *participants)
11164 char buf[MSG_SIZ], *p;
11165 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11166 while(p = strchr(participants, '\n')) {
11168 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
11170 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
11172 DisplayError(buf, 0);
11176 participants = p + 1;
11182 CreateTourney (char *name)
11185 if(matchMode && strcmp(name, appData.tourneyFile)) {
11186 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
11188 if(name[0] == NULLCHAR) {
11189 if(appData.participants[0])
11190 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
11193 f = fopen(name, "r");
11194 if(f) { // file exists
11195 ASSIGN(appData.tourneyFile, name);
11196 ParseArgsFromFile(f); // parse it
11198 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11199 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11200 DisplayError(_("Not enough participants"), 0);
11203 if(CheckPlayers(appData.participants)) return 0;
11204 ASSIGN(appData.tourneyFile, name);
11205 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11206 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11209 appData.noChessProgram = FALSE;
11210 appData.clockMode = TRUE;
11216 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11218 char buf[2*MSG_SIZ], *p, *q;
11219 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11220 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11221 skip = !all && group[0]; // if group requested, we start in skip mode
11222 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11223 p = names; q = buf; header = 0;
11224 while(*p && *p != '\n') *q++ = *p++;
11226 if(*p == '\n') p++;
11227 if(buf[0] == '#') {
11228 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11229 depth++; // we must be entering a new group
11230 if(all) continue; // suppress printing group headers when complete list requested
11232 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11234 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11235 if(engineList[i]) free(engineList[i]);
11236 engineList[i] = strdup(buf);
11237 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11238 if(engineMnemonic[i]) free(engineMnemonic[i]);
11239 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11241 sscanf(q + 8, "%s", buf + strlen(buf));
11244 engineMnemonic[i] = strdup(buf);
11247 engineList[i] = engineMnemonic[i] = NULL;
11251 // following implemented as macro to avoid type limitations
11252 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11255 SwapEngines (int n)
11256 { // swap settings for first engine and other engine (so far only some selected options)
11261 SWAP(chessProgram, p)
11263 SWAP(hasOwnBookUCI, h)
11264 SWAP(protocolVersion, h)
11266 SWAP(scoreIsAbsolute, h)
11271 SWAP(engOptions, p)
11272 SWAP(engInitString, p)
11273 SWAP(computerString, p)
11275 SWAP(fenOverride, p)
11277 SWAP(accumulateTC, h)
11284 GetEngineLine (char *s, int n)
11288 extern char *icsNames;
11289 if(!s || !*s) return 0;
11290 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11291 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11292 if(!mnemonic[i]) return 0;
11293 if(n == 11) return 1; // just testing if there was a match
11294 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11295 if(n == 1) SwapEngines(n);
11296 ParseArgsFromString(buf);
11297 if(n == 1) SwapEngines(n);
11298 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11299 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11300 ParseArgsFromString(buf);
11306 SetPlayer (int player, char *p)
11307 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11309 char buf[MSG_SIZ], *engineName;
11310 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11311 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11312 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11314 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11315 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11316 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11317 ParseArgsFromString(buf);
11318 } else { // no engine with this nickname is installed!
11319 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11320 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11321 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11323 DisplayError(buf, 0);
11330 char *recentEngines;
11333 RecentEngineEvent (int nr)
11336 // SwapEngines(1); // bump first to second
11337 // ReplaceEngine(&second, 1); // and load it there
11338 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11339 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11340 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11341 ReplaceEngine(&first, 0);
11342 FloatToFront(&appData.recentEngineList, command[n]);
11347 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11348 { // determine players from game number
11349 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11351 if(appData.tourneyType == 0) {
11352 roundsPerCycle = (nPlayers - 1) | 1;
11353 pairingsPerRound = nPlayers / 2;
11354 } else if(appData.tourneyType > 0) {
11355 roundsPerCycle = nPlayers - appData.tourneyType;
11356 pairingsPerRound = appData.tourneyType;
11358 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11359 gamesPerCycle = gamesPerRound * roundsPerCycle;
11360 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11361 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11362 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11363 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11364 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11365 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11367 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11368 if(appData.roundSync) *syncInterval = gamesPerRound;
11370 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11372 if(appData.tourneyType == 0) {
11373 if(curPairing == (nPlayers-1)/2 ) {
11374 *whitePlayer = curRound;
11375 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11377 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11378 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11379 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11380 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11382 } else if(appData.tourneyType > 1) {
11383 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11384 *whitePlayer = curRound + appData.tourneyType;
11385 } else if(appData.tourneyType > 0) {
11386 *whitePlayer = curPairing;
11387 *blackPlayer = curRound + appData.tourneyType;
11390 // take care of white/black alternation per round.
11391 // For cycles and games this is already taken care of by default, derived from matchGame!
11392 return curRound & 1;
11396 NextTourneyGame (int nr, int *swapColors)
11397 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11399 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11401 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11402 tf = fopen(appData.tourneyFile, "r");
11403 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11404 ParseArgsFromFile(tf); fclose(tf);
11405 InitTimeControls(); // TC might be altered from tourney file
11407 nPlayers = CountPlayers(appData.participants); // count participants
11408 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11409 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11412 p = q = appData.results;
11413 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11414 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11415 DisplayMessage(_("Waiting for other game(s)"),"");
11416 waitingForGame = TRUE;
11417 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11420 waitingForGame = FALSE;
11423 if(appData.tourneyType < 0) {
11424 if(nr>=0 && !pairingReceived) {
11426 if(pairing.pr == NoProc) {
11427 if(!appData.pairingEngine[0]) {
11428 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11431 StartChessProgram(&pairing); // starts the pairing engine
11433 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11434 SendToProgram(buf, &pairing);
11435 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11436 SendToProgram(buf, &pairing);
11437 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11439 pairingReceived = 0; // ... so we continue here
11441 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11442 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11443 matchGame = 1; roundNr = nr / syncInterval + 1;
11446 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11448 // redefine engines, engine dir, etc.
11449 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11450 if(first.pr == NoProc) {
11451 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11452 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11454 if(second.pr == NoProc) {
11456 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11457 SwapEngines(1); // and make that valid for second engine by swapping
11458 InitEngine(&second, 1);
11460 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11461 UpdateLogos(FALSE); // leave display to ModeHiglight()
11467 { // performs game initialization that does not invoke engines, and then tries to start the game
11468 int res, firstWhite, swapColors = 0;
11469 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11470 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
11472 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11473 if(strcmp(buf, currentDebugFile)) { // name has changed
11474 FILE *f = fopen(buf, "w");
11475 if(f) { // if opening the new file failed, just keep using the old one
11476 ASSIGN(currentDebugFile, buf);
11480 if(appData.serverFileName) {
11481 if(serverFP) fclose(serverFP);
11482 serverFP = fopen(appData.serverFileName, "w");
11483 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11484 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11488 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11489 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11490 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11491 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11492 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11493 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11494 Reset(FALSE, first.pr != NoProc);
11495 res = LoadGameOrPosition(matchGame); // setup game
11496 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11497 if(!res) return; // abort when bad game/pos file
11498 if(appData.epd) {// in EPD mode we make sure first engine is to move
11499 firstWhite = !(forwardMostMove & 1);
11500 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11501 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11503 TwoMachinesEvent();
11507 UserAdjudicationEvent (int result)
11509 ChessMove gameResult = GameIsDrawn;
11512 gameResult = WhiteWins;
11514 else if( result < 0 ) {
11515 gameResult = BlackWins;
11518 if( gameMode == TwoMachinesPlay ) {
11519 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11524 // [HGM] save: calculate checksum of game to make games easily identifiable
11526 StringCheckSum (char *s)
11529 if(s==NULL) return 0;
11530 while(*s) i = i*259 + *s++;
11538 for(i=backwardMostMove; i<forwardMostMove; i++) {
11539 sum += pvInfoList[i].depth;
11540 sum += StringCheckSum(parseList[i]);
11541 sum += StringCheckSum(commentList[i]);
11544 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11545 return sum + StringCheckSum(commentList[i]);
11546 } // end of save patch
11549 GameEnds (ChessMove result, char *resultDetails, int whosays)
11551 GameMode nextGameMode;
11553 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11555 if(endingGame) return; /* [HGM] crash: forbid recursion */
11557 if(twoBoards) { // [HGM] dual: switch back to one board
11558 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11559 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11561 if (appData.debugMode) {
11562 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11563 result, resultDetails ? resultDetails : "(null)", whosays);
11566 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11568 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11570 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11571 /* If we are playing on ICS, the server decides when the
11572 game is over, but the engine can offer to draw, claim
11576 if (appData.zippyPlay && first.initDone) {
11577 if (result == GameIsDrawn) {
11578 /* In case draw still needs to be claimed */
11579 SendToICS(ics_prefix);
11580 SendToICS("draw\n");
11581 } else if (StrCaseStr(resultDetails, "resign")) {
11582 SendToICS(ics_prefix);
11583 SendToICS("resign\n");
11587 endingGame = 0; /* [HGM] crash */
11591 /* If we're loading the game from a file, stop */
11592 if (whosays == GE_FILE) {
11593 (void) StopLoadGameTimer();
11597 /* Cancel draw offers */
11598 first.offeredDraw = second.offeredDraw = 0;
11600 /* If this is an ICS game, only ICS can really say it's done;
11601 if not, anyone can. */
11602 isIcsGame = (gameMode == IcsPlayingWhite ||
11603 gameMode == IcsPlayingBlack ||
11604 gameMode == IcsObserving ||
11605 gameMode == IcsExamining);
11607 if (!isIcsGame || whosays == GE_ICS) {
11608 /* OK -- not an ICS game, or ICS said it was done */
11610 if (!isIcsGame && !appData.noChessProgram)
11611 SetUserThinkingEnables();
11613 /* [HGM] if a machine claims the game end we verify this claim */
11614 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11615 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11617 ChessMove trueResult = (ChessMove) -1;
11619 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11620 first.twoMachinesColor[0] :
11621 second.twoMachinesColor[0] ;
11623 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11624 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11625 /* [HGM] verify: engine mate claims accepted if they were flagged */
11626 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11628 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11629 /* [HGM] verify: engine mate claims accepted if they were flagged */
11630 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11632 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11633 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11636 // now verify win claims, but not in drop games, as we don't understand those yet
11637 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11638 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11639 (result == WhiteWins && claimer == 'w' ||
11640 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11641 if (appData.debugMode) {
11642 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11643 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11645 if(result != trueResult) {
11646 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11647 result = claimer == 'w' ? BlackWins : WhiteWins;
11648 resultDetails = buf;
11651 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11652 && (forwardMostMove <= backwardMostMove ||
11653 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11654 (claimer=='b')==(forwardMostMove&1))
11656 /* [HGM] verify: draws that were not flagged are false claims */
11657 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11658 result = claimer == 'w' ? BlackWins : WhiteWins;
11659 resultDetails = buf;
11661 /* (Claiming a loss is accepted no questions asked!) */
11662 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11663 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11664 result = GameUnfinished;
11665 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11667 /* [HGM] bare: don't allow bare King to win */
11668 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11669 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11670 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11671 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11672 && result != GameIsDrawn)
11673 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11674 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11675 int p = (int)boards[forwardMostMove][i][j] - color;
11676 if(p >= 0 && p <= (int)WhiteKing) k++;
11677 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11679 if (appData.debugMode) {
11680 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11681 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11683 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11684 result = GameIsDrawn;
11685 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11686 resultDetails = buf;
11692 if(serverMoves != NULL && !loadFlag) { char c = '=';
11693 if(result==WhiteWins) c = '+';
11694 if(result==BlackWins) c = '-';
11695 if(resultDetails != NULL)
11696 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11698 if (resultDetails != NULL) {
11699 gameInfo.result = result;
11700 gameInfo.resultDetails = StrSave(resultDetails);
11702 /* display last move only if game was not loaded from file */
11703 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11704 DisplayMove(currentMove - 1);
11706 if (forwardMostMove != 0) {
11707 if (gameMode != PlayFromGameFile && gameMode != EditGame
11708 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11710 if (*appData.saveGameFile != NULLCHAR) {
11711 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11712 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11714 SaveGameToFile(appData.saveGameFile, TRUE);
11715 } else if (appData.autoSaveGames) {
11716 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11718 if (*appData.savePositionFile != NULLCHAR) {
11719 SavePositionToFile(appData.savePositionFile);
11721 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11725 /* Tell program how game ended in case it is learning */
11726 /* [HGM] Moved this to after saving the PGN, just in case */
11727 /* engine died and we got here through time loss. In that */
11728 /* case we will get a fatal error writing the pipe, which */
11729 /* would otherwise lose us the PGN. */
11730 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11731 /* output during GameEnds should never be fatal anymore */
11732 if (gameMode == MachinePlaysWhite ||
11733 gameMode == MachinePlaysBlack ||
11734 gameMode == TwoMachinesPlay ||
11735 gameMode == IcsPlayingWhite ||
11736 gameMode == IcsPlayingBlack ||
11737 gameMode == BeginningOfGame) {
11739 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11741 if (first.pr != NoProc) {
11742 SendToProgram(buf, &first);
11744 if (second.pr != NoProc &&
11745 gameMode == TwoMachinesPlay) {
11746 SendToProgram(buf, &second);
11751 if (appData.icsActive) {
11752 if (appData.quietPlay &&
11753 (gameMode == IcsPlayingWhite ||
11754 gameMode == IcsPlayingBlack)) {
11755 SendToICS(ics_prefix);
11756 SendToICS("set shout 1\n");
11758 nextGameMode = IcsIdle;
11759 ics_user_moved = FALSE;
11760 /* clean up premove. It's ugly when the game has ended and the
11761 * premove highlights are still on the board.
11764 gotPremove = FALSE;
11765 ClearPremoveHighlights();
11766 DrawPosition(FALSE, boards[currentMove]);
11768 if (whosays == GE_ICS) {
11771 if (gameMode == IcsPlayingWhite)
11773 else if(gameMode == IcsPlayingBlack)
11774 PlayIcsLossSound();
11777 if (gameMode == IcsPlayingBlack)
11779 else if(gameMode == IcsPlayingWhite)
11780 PlayIcsLossSound();
11783 PlayIcsDrawSound();
11786 PlayIcsUnfinishedSound();
11789 if(appData.quitNext) { ExitEvent(0); return; }
11790 } else if (gameMode == EditGame ||
11791 gameMode == PlayFromGameFile ||
11792 gameMode == AnalyzeMode ||
11793 gameMode == AnalyzeFile) {
11794 nextGameMode = gameMode;
11796 nextGameMode = EndOfGame;
11801 nextGameMode = gameMode;
11804 if (appData.noChessProgram) {
11805 gameMode = nextGameMode;
11807 endingGame = 0; /* [HGM] crash */
11812 /* Put first chess program into idle state */
11813 if (first.pr != NoProc &&
11814 (gameMode == MachinePlaysWhite ||
11815 gameMode == MachinePlaysBlack ||
11816 gameMode == TwoMachinesPlay ||
11817 gameMode == IcsPlayingWhite ||
11818 gameMode == IcsPlayingBlack ||
11819 gameMode == BeginningOfGame)) {
11820 SendToProgram("force\n", &first);
11821 if (first.usePing) {
11823 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11824 SendToProgram(buf, &first);
11827 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11828 /* Kill off first chess program */
11829 if (first.isr != NULL)
11830 RemoveInputSource(first.isr);
11833 if (first.pr != NoProc) {
11835 DoSleep( appData.delayBeforeQuit );
11836 SendToProgram("quit\n", &first);
11837 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11838 first.reload = TRUE;
11842 if (second.reuse) {
11843 /* Put second chess program into idle state */
11844 if (second.pr != NoProc &&
11845 gameMode == TwoMachinesPlay) {
11846 SendToProgram("force\n", &second);
11847 if (second.usePing) {
11849 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11850 SendToProgram(buf, &second);
11853 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11854 /* Kill off second chess program */
11855 if (second.isr != NULL)
11856 RemoveInputSource(second.isr);
11859 if (second.pr != NoProc) {
11860 DoSleep( appData.delayBeforeQuit );
11861 SendToProgram("quit\n", &second);
11862 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11863 second.reload = TRUE;
11865 second.pr = NoProc;
11868 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11869 char resChar = '=';
11873 if (first.twoMachinesColor[0] == 'w') {
11876 second.matchWins++;
11881 if (first.twoMachinesColor[0] == 'b') {
11884 second.matchWins++;
11887 case GameUnfinished:
11893 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11894 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11895 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11896 ReserveGame(nextGame, resChar); // sets nextGame
11897 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11898 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11899 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11901 if (nextGame <= appData.matchGames && !abortMatch) {
11902 gameMode = nextGameMode;
11903 matchGame = nextGame; // this will be overruled in tourney mode!
11904 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11905 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11906 endingGame = 0; /* [HGM] crash */
11909 gameMode = nextGameMode;
11911 snprintf(buf, MSG_SIZ, "-------------------------------------- ");
11912 OutputKibitz(2, buf);
11913 snprintf(buf, MSG_SIZ, _("Average solving time %4.2f sec (total time %4.2f sec) "), totalTime/(100.*first.matchWins), totalTime/100.);
11914 OutputKibitz(2, buf);
11915 snprintf(buf, MSG_SIZ, _("%d avoid-moves played "), second.matchWins);
11916 if(second.matchWins) OutputKibitz(2, buf);
11917 snprintf(buf, MSG_SIZ, _("Solved %d out of %d (%3.1f%%) "), first.matchWins, nextGame-1, first.matchWins*100./(nextGame-1));
11918 OutputKibitz(2, buf);
11920 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11921 first.tidy, second.tidy,
11922 first.matchWins, second.matchWins,
11923 appData.matchGames - (first.matchWins + second.matchWins));
11924 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11925 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11926 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11927 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11928 first.twoMachinesColor = "black\n";
11929 second.twoMachinesColor = "white\n";
11931 first.twoMachinesColor = "white\n";
11932 second.twoMachinesColor = "black\n";
11936 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11937 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11939 gameMode = nextGameMode;
11941 endingGame = 0; /* [HGM] crash */
11942 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11943 if(matchMode == TRUE) { // match through command line: exit with or without popup
11945 ToNrEvent(forwardMostMove);
11946 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11948 } else DisplayFatalError(buf, 0, 0);
11949 } else { // match through menu; just stop, with or without popup
11950 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11953 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11954 } else DisplayNote(buf);
11956 if(ranking) free(ranking);
11960 /* Assumes program was just initialized (initString sent).
11961 Leaves program in force mode. */
11963 FeedMovesToProgram (ChessProgramState *cps, int upto)
11967 if (appData.debugMode)
11968 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11969 startedFromSetupPosition ? "position and " : "",
11970 backwardMostMove, upto, cps->which);
11971 if(currentlyInitializedVariant != gameInfo.variant) {
11973 // [HGM] variantswitch: make engine aware of new variant
11974 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11975 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11976 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11977 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11978 SendToProgram(buf, cps);
11979 currentlyInitializedVariant = gameInfo.variant;
11981 SendToProgram("force\n", cps);
11982 if (startedFromSetupPosition) {
11983 SendBoard(cps, backwardMostMove);
11984 if (appData.debugMode) {
11985 fprintf(debugFP, "feedMoves\n");
11988 for (i = backwardMostMove; i < upto; i++) {
11989 SendMoveToProgram(i, cps);
11995 ResurrectChessProgram ()
11997 /* The chess program may have exited.
11998 If so, restart it and feed it all the moves made so far. */
11999 static int doInit = 0;
12001 if (appData.noChessProgram) return 1;
12003 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
12004 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
12005 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
12006 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
12008 if (first.pr != NoProc) return 1;
12009 StartChessProgram(&first);
12011 InitChessProgram(&first, FALSE);
12012 FeedMovesToProgram(&first, currentMove);
12014 if (!first.sendTime) {
12015 /* can't tell gnuchess what its clock should read,
12016 so we bow to its notion. */
12018 timeRemaining[0][currentMove] = whiteTimeRemaining;
12019 timeRemaining[1][currentMove] = blackTimeRemaining;
12022 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
12023 appData.icsEngineAnalyze) && first.analysisSupport) {
12024 SendToProgram("analyze\n", &first);
12025 first.analyzing = TRUE;
12031 * Button procedures
12034 Reset (int redraw, int init)
12038 if (appData.debugMode) {
12039 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
12040 redraw, init, gameMode);
12042 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
12043 deadRanks = 0; // assume entire board is used
12044 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
12045 CleanupTail(); // [HGM] vari: delete any stored variations
12046 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
12047 pausing = pauseExamInvalid = FALSE;
12048 startedFromSetupPosition = blackPlaysFirst = FALSE;
12050 whiteFlag = blackFlag = FALSE;
12051 userOfferedDraw = FALSE;
12052 hintRequested = bookRequested = FALSE;
12053 first.maybeThinking = FALSE;
12054 second.maybeThinking = FALSE;
12055 first.bookSuspend = FALSE; // [HGM] book
12056 second.bookSuspend = FALSE;
12057 thinkOutput[0] = NULLCHAR;
12058 lastHint[0] = NULLCHAR;
12059 ClearGameInfo(&gameInfo);
12060 gameInfo.variant = StringToVariant(appData.variant);
12061 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) {
12062 gameInfo.variant = VariantUnknown;
12063 strncpy(engineVariant, appData.variant, MSG_SIZ);
12065 ics_user_moved = ics_clock_paused = FALSE;
12066 ics_getting_history = H_FALSE;
12068 white_holding[0] = black_holding[0] = NULLCHAR;
12069 ClearProgramStats();
12070 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
12074 flipView = appData.flipView;
12075 ClearPremoveHighlights();
12076 gotPremove = FALSE;
12077 alarmSounded = FALSE;
12078 killX = killY = kill2X = kill2Y = -1; // [HGM] lion
12080 GameEnds(EndOfFile, NULL, GE_PLAYER);
12081 if(appData.serverMovesName != NULL) {
12082 /* [HGM] prepare to make moves file for broadcasting */
12083 clock_t t = clock();
12084 if(serverMoves != NULL) fclose(serverMoves);
12085 serverMoves = fopen(appData.serverMovesName, "r");
12086 if(serverMoves != NULL) {
12087 fclose(serverMoves);
12088 /* delay 15 sec before overwriting, so all clients can see end */
12089 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
12091 serverMoves = fopen(appData.serverMovesName, "w");
12095 gameMode = BeginningOfGame;
12097 if(appData.icsActive) gameInfo.variant = VariantNormal;
12098 currentMove = forwardMostMove = backwardMostMove = 0;
12099 MarkTargetSquares(1);
12100 InitPosition(redraw);
12101 for (i = 0; i < MAX_MOVES; i++) {
12102 if (commentList[i] != NULL) {
12103 free(commentList[i]);
12104 commentList[i] = NULL;
12108 timeRemaining[0][0] = whiteTimeRemaining;
12109 timeRemaining[1][0] = blackTimeRemaining;
12111 if (first.pr == NoProc) {
12112 StartChessProgram(&first);
12115 InitChessProgram(&first, startedFromSetupPosition);
12118 DisplayMessage("", "");
12119 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12120 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
12121 ClearMap(); // [HGM] exclude: invalidate map
12125 AutoPlayGameLoop ()
12128 if (!AutoPlayOneMove())
12130 if (matchMode || appData.timeDelay == 0)
12132 if (appData.timeDelay < 0)
12134 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
12142 ReloadGame(1); // next game
12148 int fromX, fromY, toX, toY;
12150 if (appData.debugMode) {
12151 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
12154 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
12157 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
12158 pvInfoList[currentMove].depth = programStats.depth;
12159 pvInfoList[currentMove].score = programStats.score;
12160 pvInfoList[currentMove].time = 0;
12161 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
12162 else { // append analysis of final position as comment
12164 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
12165 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
12167 programStats.depth = 0;
12170 if (currentMove >= forwardMostMove) {
12171 if(gameMode == AnalyzeFile) {
12172 if(appData.loadGameIndex == -1) {
12173 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
12174 ScheduleDelayedEvent(AnalyzeNextGame, 10);
12176 ExitAnalyzeMode(); SendToProgram("force\n", &first);
12179 // gameMode = EndOfGame;
12180 // ModeHighlight();
12182 /* [AS] Clear current move marker at the end of a game */
12183 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
12188 toX = moveList[currentMove][2] - AAA;
12189 toY = moveList[currentMove][3] - ONE;
12191 if (moveList[currentMove][1] == '@') {
12192 if (appData.highlightLastMove) {
12193 SetHighlights(-1, -1, toX, toY);
12196 fromX = moveList[currentMove][0] - AAA;
12197 fromY = moveList[currentMove][1] - ONE;
12199 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
12201 if(moveList[currentMove][4] == ';') { // multi-leg
12202 killX = moveList[currentMove][5] - AAA;
12203 killY = moveList[currentMove][6] - ONE;
12205 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12206 killX = killY = -1;
12208 if (appData.highlightLastMove) {
12209 SetHighlights(fromX, fromY, toX, toY);
12212 DisplayMove(currentMove);
12213 SendMoveToProgram(currentMove++, &first);
12214 DisplayBothClocks();
12215 DrawPosition(FALSE, boards[currentMove]);
12216 // [HGM] PV info: always display, routine tests if empty
12217 DisplayComment(currentMove - 1, commentList[currentMove]);
12223 LoadGameOneMove (ChessMove readAhead)
12225 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12226 char promoChar = NULLCHAR;
12227 ChessMove moveType;
12228 char move[MSG_SIZ];
12231 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12232 gameMode != AnalyzeMode && gameMode != Training) {
12237 yyboardindex = forwardMostMove;
12238 if (readAhead != EndOfFile) {
12239 moveType = readAhead;
12241 if (gameFileFP == NULL)
12243 moveType = (ChessMove) Myylex();
12247 switch (moveType) {
12249 if (appData.debugMode)
12250 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12253 /* append the comment but don't display it */
12254 AppendComment(currentMove, p, FALSE);
12257 case WhiteCapturesEnPassant:
12258 case BlackCapturesEnPassant:
12259 case WhitePromotion:
12260 case BlackPromotion:
12261 case WhiteNonPromotion:
12262 case BlackNonPromotion:
12265 case WhiteKingSideCastle:
12266 case WhiteQueenSideCastle:
12267 case BlackKingSideCastle:
12268 case BlackQueenSideCastle:
12269 case WhiteKingSideCastleWild:
12270 case WhiteQueenSideCastleWild:
12271 case BlackKingSideCastleWild:
12272 case BlackQueenSideCastleWild:
12274 case WhiteHSideCastleFR:
12275 case WhiteASideCastleFR:
12276 case BlackHSideCastleFR:
12277 case BlackASideCastleFR:
12279 if (appData.debugMode)
12280 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12281 fromX = currentMoveString[0] - AAA;
12282 fromY = currentMoveString[1] - ONE;
12283 toX = currentMoveString[2] - AAA;
12284 toY = currentMoveString[3] - ONE;
12285 promoChar = currentMoveString[4];
12286 if(promoChar == ';') promoChar = currentMoveString[7];
12291 if (appData.debugMode)
12292 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12293 fromX = moveType == WhiteDrop ?
12294 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12295 (int) CharToPiece(ToLower(currentMoveString[0]));
12297 toX = currentMoveString[2] - AAA;
12298 toY = currentMoveString[3] - ONE;
12304 case GameUnfinished:
12305 if (appData.debugMode)
12306 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12307 p = strchr(yy_text, '{');
12308 if (p == NULL) p = strchr(yy_text, '(');
12311 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12313 q = strchr(p, *p == '{' ? '}' : ')');
12314 if (q != NULL) *q = NULLCHAR;
12317 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12318 GameEnds(moveType, p, GE_FILE);
12320 if (cmailMsgLoaded) {
12322 flipView = WhiteOnMove(currentMove);
12323 if (moveType == GameUnfinished) flipView = !flipView;
12324 if (appData.debugMode)
12325 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12330 if (appData.debugMode)
12331 fprintf(debugFP, "Parser hit end of file\n");
12332 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12338 if (WhiteOnMove(currentMove)) {
12339 GameEnds(BlackWins, "Black mates", GE_FILE);
12341 GameEnds(WhiteWins, "White mates", GE_FILE);
12345 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12351 case MoveNumberOne:
12352 if (lastLoadGameStart == GNUChessGame) {
12353 /* GNUChessGames have numbers, but they aren't move numbers */
12354 if (appData.debugMode)
12355 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12356 yy_text, (int) moveType);
12357 return LoadGameOneMove(EndOfFile); /* tail recursion */
12359 /* else fall thru */
12364 /* Reached start of next game in file */
12365 if (appData.debugMode)
12366 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12367 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12373 if (WhiteOnMove(currentMove)) {
12374 GameEnds(BlackWins, "Black mates", GE_FILE);
12376 GameEnds(WhiteWins, "White mates", GE_FILE);
12380 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12386 case PositionDiagram: /* should not happen; ignore */
12387 case ElapsedTime: /* ignore */
12388 case NAG: /* ignore */
12389 if (appData.debugMode)
12390 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12391 yy_text, (int) moveType);
12392 return LoadGameOneMove(EndOfFile); /* tail recursion */
12395 if (appData.testLegality) {
12396 if (appData.debugMode)
12397 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12398 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12399 (forwardMostMove / 2) + 1,
12400 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12401 DisplayError(move, 0);
12404 if (appData.debugMode)
12405 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12406 yy_text, currentMoveString);
12407 if(currentMoveString[1] == '@') {
12408 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12411 fromX = currentMoveString[0] - AAA;
12412 fromY = currentMoveString[1] - ONE;
12414 toX = currentMoveString[2] - AAA;
12415 toY = currentMoveString[3] - ONE;
12416 promoChar = currentMoveString[4];
12420 case AmbiguousMove:
12421 if (appData.debugMode)
12422 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12423 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12424 (forwardMostMove / 2) + 1,
12425 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12426 DisplayError(move, 0);
12431 case ImpossibleMove:
12432 if (appData.debugMode)
12433 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12434 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12435 (forwardMostMove / 2) + 1,
12436 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12437 DisplayError(move, 0);
12443 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12444 DrawPosition(FALSE, boards[currentMove]);
12445 DisplayBothClocks();
12446 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12447 DisplayComment(currentMove - 1, commentList[currentMove]);
12449 (void) StopLoadGameTimer();
12451 cmailOldMove = forwardMostMove;
12454 /* currentMoveString is set as a side-effect of yylex */
12456 thinkOutput[0] = NULLCHAR;
12457 MakeMove(fromX, fromY, toX, toY, promoChar);
12458 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
12459 currentMove = forwardMostMove;
12464 /* Load the nth game from the given file */
12466 LoadGameFromFile (char *filename, int n, char *title, int useList)
12471 if (strcmp(filename, "-") == 0) {
12475 f = fopen(filename, "rb");
12477 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12478 DisplayError(buf, errno);
12482 if (fseek(f, 0, 0) == -1) {
12483 /* f is not seekable; probably a pipe */
12486 if (useList && n == 0) {
12487 int error = GameListBuild(f);
12489 DisplayError(_("Cannot build game list"), error);
12490 } else if (!ListEmpty(&gameList) &&
12491 ((ListGame *) gameList.tailPred)->number > 1) {
12492 GameListPopUp(f, title);
12499 return LoadGame(f, n, title, FALSE);
12504 MakeRegisteredMove ()
12506 int fromX, fromY, toX, toY;
12508 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12509 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12512 if (appData.debugMode)
12513 fprintf(debugFP, "Restoring %s for game %d\n",
12514 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12516 thinkOutput[0] = NULLCHAR;
12517 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12518 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12519 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12520 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12521 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12522 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12523 MakeMove(fromX, fromY, toX, toY, promoChar);
12524 ShowMove(fromX, fromY, toX, toY);
12526 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12533 if (WhiteOnMove(currentMove)) {
12534 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12536 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12541 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12548 if (WhiteOnMove(currentMove)) {
12549 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12551 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12556 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12567 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12569 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12573 if (gameNumber > nCmailGames) {
12574 DisplayError(_("No more games in this message"), 0);
12577 if (f == lastLoadGameFP) {
12578 int offset = gameNumber - lastLoadGameNumber;
12580 cmailMsg[0] = NULLCHAR;
12581 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12582 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12583 nCmailMovesRegistered--;
12585 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12586 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12587 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12590 if (! RegisterMove()) return FALSE;
12594 retVal = LoadGame(f, gameNumber, title, useList);
12596 /* Make move registered during previous look at this game, if any */
12597 MakeRegisteredMove();
12599 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12600 commentList[currentMove]
12601 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12602 DisplayComment(currentMove - 1, commentList[currentMove]);
12608 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12610 ReloadGame (int offset)
12612 int gameNumber = lastLoadGameNumber + offset;
12613 if (lastLoadGameFP == NULL) {
12614 DisplayError(_("No game has been loaded yet"), 0);
12617 if (gameNumber <= 0) {
12618 DisplayError(_("Can't back up any further"), 0);
12621 if (cmailMsgLoaded) {
12622 return CmailLoadGame(lastLoadGameFP, gameNumber,
12623 lastLoadGameTitle, lastLoadGameUseList);
12625 return LoadGame(lastLoadGameFP, gameNumber,
12626 lastLoadGameTitle, lastLoadGameUseList);
12630 int keys[EmptySquare+1];
12633 PositionMatches (Board b1, Board b2)
12636 switch(appData.searchMode) {
12637 case 1: return CompareWithRights(b1, b2);
12639 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12640 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12644 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12645 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12646 sum += keys[b1[r][f]] - keys[b2[r][f]];
12650 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12651 sum += keys[b1[r][f]] - keys[b2[r][f]];
12663 int pieceList[256], quickBoard[256];
12664 ChessSquare pieceType[256] = { EmptySquare };
12665 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12666 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12667 int soughtTotal, turn;
12668 Boolean epOK, flipSearch;
12671 unsigned char piece, to;
12674 #define DSIZE (250000)
12676 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12677 Move *moveDatabase = initialSpace;
12678 unsigned int movePtr, dataSize = DSIZE;
12681 MakePieceList (Board board, int *counts)
12683 int r, f, n=Q_PROMO, total=0;
12684 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12685 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12686 int sq = f + (r<<4);
12687 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12688 quickBoard[sq] = ++n;
12690 pieceType[n] = board[r][f];
12691 counts[board[r][f]]++;
12692 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12693 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12697 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12702 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12704 int sq = fromX + (fromY<<4);
12705 int piece = quickBoard[sq], rook;
12706 quickBoard[sq] = 0;
12707 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12708 if(piece == pieceList[1] && fromY == toY) {
12709 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12710 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12711 moveDatabase[movePtr++].piece = Q_WCASTL;
12712 quickBoard[sq] = piece;
12713 piece = quickBoard[from]; quickBoard[from] = 0;
12714 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12715 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12716 quickBoard[sq] = 0; // remove Rook
12717 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12718 moveDatabase[movePtr++].piece = Q_WCASTL;
12719 quickBoard[sq] = pieceList[1]; // put King
12721 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12724 if(piece == pieceList[2] && fromY == toY) {
12725 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12726 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12727 moveDatabase[movePtr++].piece = Q_BCASTL;
12728 quickBoard[sq] = piece;
12729 piece = quickBoard[from]; quickBoard[from] = 0;
12730 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12731 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12732 quickBoard[sq] = 0; // remove Rook
12733 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12734 moveDatabase[movePtr++].piece = Q_BCASTL;
12735 quickBoard[sq] = pieceList[2]; // put King
12737 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12740 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12741 quickBoard[(fromY<<4)+toX] = 0;
12742 moveDatabase[movePtr].piece = Q_EP;
12743 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12744 moveDatabase[movePtr].to = sq;
12746 if(promoPiece != pieceType[piece]) {
12747 moveDatabase[movePtr++].piece = Q_PROMO;
12748 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12750 moveDatabase[movePtr].piece = piece;
12751 quickBoard[sq] = piece;
12756 PackGame (Board board)
12758 Move *newSpace = NULL;
12759 moveDatabase[movePtr].piece = 0; // terminate previous game
12760 if(movePtr > dataSize) {
12761 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12762 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12763 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12766 Move *p = moveDatabase, *q = newSpace;
12767 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12768 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12769 moveDatabase = newSpace;
12770 } else { // calloc failed, we must be out of memory. Too bad...
12771 dataSize = 0; // prevent calloc events for all subsequent games
12772 return 0; // and signal this one isn't cached
12776 MakePieceList(board, counts);
12781 QuickCompare (Board board, int *minCounts, int *maxCounts)
12782 { // compare according to search mode
12784 switch(appData.searchMode)
12786 case 1: // exact position match
12787 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12788 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12789 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12792 case 2: // can have extra material on empty squares
12793 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12794 if(board[r][f] == EmptySquare) continue;
12795 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12798 case 3: // material with exact Pawn structure
12799 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12800 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12801 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12802 } // fall through to material comparison
12803 case 4: // exact material
12804 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12806 case 6: // material range with given imbalance
12807 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12808 // fall through to range comparison
12809 case 5: // material range
12810 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12816 QuickScan (Board board, Move *move)
12817 { // reconstruct game,and compare all positions in it
12818 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12820 int piece = move->piece;
12821 int to = move->to, from = pieceList[piece];
12822 if(found < 0) { // if already found just scan to game end for final piece count
12823 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12824 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12825 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12826 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12828 static int lastCounts[EmptySquare+1];
12830 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12831 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12832 } else stretch = 0;
12833 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12834 if(found >= 0 && !appData.minPieces) return found;
12836 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12837 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12838 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12839 piece = (++move)->piece;
12840 from = pieceList[piece];
12841 counts[pieceType[piece]]--;
12842 pieceType[piece] = (ChessSquare) move->to;
12843 counts[move->to]++;
12844 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12845 counts[pieceType[quickBoard[to]]]--;
12846 quickBoard[to] = 0; total--;
12849 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12850 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12851 from = pieceList[piece]; // so this must be King
12852 quickBoard[from] = 0;
12853 pieceList[piece] = to;
12854 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12855 quickBoard[from] = 0; // rook
12856 quickBoard[to] = piece;
12857 to = move->to; piece = move->piece;
12861 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12862 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12863 quickBoard[from] = 0;
12865 quickBoard[to] = piece;
12866 pieceList[piece] = to;
12876 flipSearch = FALSE;
12877 CopyBoard(soughtBoard, boards[currentMove]);
12878 soughtTotal = MakePieceList(soughtBoard, maxSought);
12879 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12880 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12881 CopyBoard(reverseBoard, boards[currentMove]);
12882 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12883 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12884 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12885 reverseBoard[r][f] = piece;
12887 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12888 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12889 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12890 || (boards[currentMove][CASTLING][2] == NoRights ||
12891 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12892 && (boards[currentMove][CASTLING][5] == NoRights ||
12893 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12896 CopyBoard(flipBoard, soughtBoard);
12897 CopyBoard(rotateBoard, reverseBoard);
12898 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12899 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12900 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12903 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12904 if(appData.searchMode >= 5) {
12905 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12906 MakePieceList(soughtBoard, minSought);
12907 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12909 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12910 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12913 GameInfo dummyInfo;
12914 static int creatingBook;
12917 GameContainsPosition (FILE *f, ListGame *lg)
12919 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12920 int fromX, fromY, toX, toY;
12922 static int initDone=FALSE;
12924 // weed out games based on numerical tag comparison
12925 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12926 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12927 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12928 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12930 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12933 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12934 else CopyBoard(boards[scratch], initialPosition); // default start position
12937 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12938 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12941 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12942 fseek(f, lg->offset, 0);
12945 yyboardindex = scratch;
12946 quickFlag = plyNr+1;
12951 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12957 if(plyNr) return -1; // after we have seen moves, this is for new game
12960 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12961 case ImpossibleMove:
12962 case WhiteWins: // game ends here with these four
12965 case GameUnfinished:
12969 if(appData.testLegality) return -1;
12970 case WhiteCapturesEnPassant:
12971 case BlackCapturesEnPassant:
12972 case WhitePromotion:
12973 case BlackPromotion:
12974 case WhiteNonPromotion:
12975 case BlackNonPromotion:
12978 case WhiteKingSideCastle:
12979 case WhiteQueenSideCastle:
12980 case BlackKingSideCastle:
12981 case BlackQueenSideCastle:
12982 case WhiteKingSideCastleWild:
12983 case WhiteQueenSideCastleWild:
12984 case BlackKingSideCastleWild:
12985 case BlackQueenSideCastleWild:
12986 case WhiteHSideCastleFR:
12987 case WhiteASideCastleFR:
12988 case BlackHSideCastleFR:
12989 case BlackASideCastleFR:
12990 fromX = currentMoveString[0] - AAA;
12991 fromY = currentMoveString[1] - ONE;
12992 toX = currentMoveString[2] - AAA;
12993 toY = currentMoveString[3] - ONE;
12994 promoChar = currentMoveString[4];
12998 fromX = next == WhiteDrop ?
12999 (int) CharToPiece(ToUpper(currentMoveString[0])) :
13000 (int) CharToPiece(ToLower(currentMoveString[0]));
13002 toX = currentMoveString[2] - AAA;
13003 toY = currentMoveString[3] - ONE;
13007 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
13009 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
13010 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
13011 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
13012 if(appData.findMirror) {
13013 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
13014 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
13019 /* Load the nth game from open file f */
13021 LoadGame (FILE *f, int gameNumber, char *title, int useList)
13025 int gn = gameNumber;
13026 ListGame *lg = NULL;
13027 int numPGNTags = 0, i;
13029 GameMode oldGameMode;
13030 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
13031 char oldName[MSG_SIZ];
13033 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
13035 if (appData.debugMode)
13036 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
13038 if (gameMode == Training )
13039 SetTrainingModeOff();
13041 oldGameMode = gameMode;
13042 if (gameMode != BeginningOfGame) {
13043 Reset(FALSE, TRUE);
13045 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: in case we did not Reset
13048 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
13049 fclose(lastLoadGameFP);
13053 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
13056 fseek(f, lg->offset, 0);
13057 GameListHighlight(gameNumber);
13058 pos = lg->position;
13062 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
13063 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
13065 DisplayError(_("Game number out of range"), 0);
13070 if (fseek(f, 0, 0) == -1) {
13071 if (f == lastLoadGameFP ?
13072 gameNumber == lastLoadGameNumber + 1 :
13076 DisplayError(_("Can't seek on game file"), 0);
13081 lastLoadGameFP = f;
13082 lastLoadGameNumber = gameNumber;
13083 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
13084 lastLoadGameUseList = useList;
13088 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
13089 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
13090 lg->gameInfo.black);
13092 } else if (*title != NULLCHAR) {
13093 if (gameNumber > 1) {
13094 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
13097 DisplayTitle(title);
13101 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
13102 gameMode = PlayFromGameFile;
13106 currentMove = forwardMostMove = backwardMostMove = 0;
13107 CopyBoard(boards[0], initialPosition);
13111 * Skip the first gn-1 games in the file.
13112 * Also skip over anything that precedes an identifiable
13113 * start of game marker, to avoid being confused by
13114 * garbage at the start of the file. Currently
13115 * recognized start of game markers are the move number "1",
13116 * the pattern "gnuchess .* game", the pattern
13117 * "^[#;%] [^ ]* game file", and a PGN tag block.
13118 * A game that starts with one of the latter two patterns
13119 * will also have a move number 1, possibly
13120 * following a position diagram.
13121 * 5-4-02: Let's try being more lenient and allowing a game to
13122 * start with an unnumbered move. Does that break anything?
13124 cm = lastLoadGameStart = EndOfFile;
13126 yyboardindex = forwardMostMove;
13127 cm = (ChessMove) Myylex();
13130 if (cmailMsgLoaded) {
13131 nCmailGames = CMAIL_MAX_GAMES - gn;
13134 DisplayError(_("Game not found in file"), 0);
13141 lastLoadGameStart = cm;
13144 case MoveNumberOne:
13145 switch (lastLoadGameStart) {
13150 case MoveNumberOne:
13152 gn--; /* count this game */
13153 lastLoadGameStart = cm;
13162 switch (lastLoadGameStart) {
13165 case MoveNumberOne:
13167 gn--; /* count this game */
13168 lastLoadGameStart = cm;
13171 lastLoadGameStart = cm; /* game counted already */
13179 yyboardindex = forwardMostMove;
13180 cm = (ChessMove) Myylex();
13181 } while (cm == PGNTag || cm == Comment);
13188 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
13189 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
13190 != CMAIL_OLD_RESULT) {
13192 cmailResult[ CMAIL_MAX_GAMES
13193 - gn - 1] = CMAIL_OLD_RESULT;
13200 /* Only a NormalMove can be at the start of a game
13201 * without a position diagram. */
13202 if (lastLoadGameStart == EndOfFile ) {
13204 lastLoadGameStart = MoveNumberOne;
13213 if (appData.debugMode)
13214 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13216 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; } // reset VariantMen
13218 if (cm == XBoardGame) {
13219 /* Skip any header junk before position diagram and/or move 1 */
13221 yyboardindex = forwardMostMove;
13222 cm = (ChessMove) Myylex();
13224 if (cm == EndOfFile ||
13225 cm == GNUChessGame || cm == XBoardGame) {
13226 /* Empty game; pretend end-of-file and handle later */
13231 if (cm == MoveNumberOne || cm == PositionDiagram ||
13232 cm == PGNTag || cm == Comment)
13235 } else if (cm == GNUChessGame) {
13236 if (gameInfo.event != NULL) {
13237 free(gameInfo.event);
13239 gameInfo.event = StrSave(yy_text);
13242 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13243 while (cm == PGNTag) {
13244 if (appData.debugMode)
13245 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13246 err = ParsePGNTag(yy_text, &gameInfo);
13247 if (!err) numPGNTags++;
13249 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13250 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13251 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13252 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13253 InitPosition(TRUE);
13254 oldVariant = gameInfo.variant;
13255 if (appData.debugMode)
13256 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13260 if (gameInfo.fen != NULL) {
13261 Board initial_position;
13262 startedFromSetupPosition = TRUE;
13263 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13265 DisplayError(_("Bad FEN position in file"), 0);
13268 CopyBoard(boards[0], initial_position);
13269 if(*engineVariant || gameInfo.variant == VariantFairy) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13270 CopyBoard(initialPosition, initial_position);
13271 if (blackPlaysFirst) {
13272 currentMove = forwardMostMove = backwardMostMove = 1;
13273 CopyBoard(boards[1], initial_position);
13274 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13275 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13276 timeRemaining[0][1] = whiteTimeRemaining;
13277 timeRemaining[1][1] = blackTimeRemaining;
13278 if (commentList[0] != NULL) {
13279 commentList[1] = commentList[0];
13280 commentList[0] = NULL;
13283 currentMove = forwardMostMove = backwardMostMove = 0;
13285 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13287 initialRulePlies = FENrulePlies;
13288 for( i=0; i< nrCastlingRights; i++ )
13289 initialRights[i] = initial_position[CASTLING][i];
13291 yyboardindex = forwardMostMove;
13292 free(gameInfo.fen);
13293 gameInfo.fen = NULL;
13296 yyboardindex = forwardMostMove;
13297 cm = (ChessMove) Myylex();
13299 /* Handle comments interspersed among the tags */
13300 while (cm == Comment) {
13302 if (appData.debugMode)
13303 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13305 AppendComment(currentMove, p, FALSE);
13306 yyboardindex = forwardMostMove;
13307 cm = (ChessMove) Myylex();
13311 /* don't rely on existence of Event tag since if game was
13312 * pasted from clipboard the Event tag may not exist
13314 if (numPGNTags > 0){
13316 if (gameInfo.variant == VariantNormal) {
13317 VariantClass v = StringToVariant(gameInfo.event);
13318 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13319 if(v < VariantShogi) gameInfo.variant = v;
13322 if( appData.autoDisplayTags ) {
13323 tags = PGNTags(&gameInfo);
13324 TagsPopUp(tags, CmailMsg());
13329 /* Make something up, but don't display it now */
13334 if (cm == PositionDiagram) {
13337 Board initial_position;
13339 if (appData.debugMode)
13340 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13342 if (!startedFromSetupPosition) {
13344 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13345 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13356 initial_position[i][j++] = CharToPiece(*p);
13359 while (*p == ' ' || *p == '\t' ||
13360 *p == '\n' || *p == '\r') p++;
13362 if (strncmp(p, "black", strlen("black"))==0)
13363 blackPlaysFirst = TRUE;
13365 blackPlaysFirst = FALSE;
13366 startedFromSetupPosition = TRUE;
13368 CopyBoard(boards[0], initial_position);
13369 if (blackPlaysFirst) {
13370 currentMove = forwardMostMove = backwardMostMove = 1;
13371 CopyBoard(boards[1], initial_position);
13372 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13373 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13374 timeRemaining[0][1] = whiteTimeRemaining;
13375 timeRemaining[1][1] = blackTimeRemaining;
13376 if (commentList[0] != NULL) {
13377 commentList[1] = commentList[0];
13378 commentList[0] = NULL;
13381 currentMove = forwardMostMove = backwardMostMove = 0;
13384 yyboardindex = forwardMostMove;
13385 cm = (ChessMove) Myylex();
13388 if(!creatingBook) {
13389 if (first.pr == NoProc) {
13390 StartChessProgram(&first);
13392 InitChessProgram(&first, FALSE);
13393 if(gameInfo.variant == VariantUnknown && *oldName) {
13394 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13395 gameInfo.variant = v;
13397 SendToProgram("force\n", &first);
13398 if (startedFromSetupPosition) {
13399 SendBoard(&first, forwardMostMove);
13400 if (appData.debugMode) {
13401 fprintf(debugFP, "Load Game\n");
13403 DisplayBothClocks();
13407 /* [HGM] server: flag to write setup moves in broadcast file as one */
13408 loadFlag = appData.suppressLoadMoves;
13410 while (cm == Comment) {
13412 if (appData.debugMode)
13413 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13415 AppendComment(currentMove, p, FALSE);
13416 yyboardindex = forwardMostMove;
13417 cm = (ChessMove) Myylex();
13420 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13421 cm == WhiteWins || cm == BlackWins ||
13422 cm == GameIsDrawn || cm == GameUnfinished) {
13423 DisplayMessage("", _("No moves in game"));
13424 if (cmailMsgLoaded) {
13425 if (appData.debugMode)
13426 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13430 DrawPosition(FALSE, boards[currentMove]);
13431 DisplayBothClocks();
13432 gameMode = EditGame;
13439 // [HGM] PV info: routine tests if comment empty
13440 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13441 DisplayComment(currentMove - 1, commentList[currentMove]);
13443 if (!matchMode && appData.timeDelay != 0)
13444 DrawPosition(FALSE, boards[currentMove]);
13446 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13447 programStats.ok_to_send = 1;
13450 /* if the first token after the PGN tags is a move
13451 * and not move number 1, retrieve it from the parser
13453 if (cm != MoveNumberOne)
13454 LoadGameOneMove(cm);
13456 /* load the remaining moves from the file */
13457 while (LoadGameOneMove(EndOfFile)) {
13458 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13459 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13462 /* rewind to the start of the game */
13463 currentMove = backwardMostMove;
13465 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13467 if (oldGameMode == AnalyzeFile) {
13468 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13469 AnalyzeFileEvent();
13471 if (oldGameMode == AnalyzeMode) {
13472 AnalyzeFileEvent();
13475 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13476 long int w, b; // [HGM] adjourn: restore saved clock times
13477 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13478 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13479 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13480 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13484 if(creatingBook) return TRUE;
13485 if (!matchMode && pos > 0) {
13486 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13488 if (matchMode || appData.timeDelay == 0) {
13490 } else if (appData.timeDelay > 0) {
13491 AutoPlayGameLoop();
13494 if (appData.debugMode)
13495 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13497 loadFlag = 0; /* [HGM] true game starts */
13501 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13503 ReloadPosition (int offset)
13505 int positionNumber = lastLoadPositionNumber + offset;
13506 if (lastLoadPositionFP == NULL) {
13507 DisplayError(_("No position has been loaded yet"), 0);
13510 if (positionNumber <= 0) {
13511 DisplayError(_("Can't back up any further"), 0);
13514 return LoadPosition(lastLoadPositionFP, positionNumber,
13515 lastLoadPositionTitle);
13518 /* Load the nth position from the given file */
13520 LoadPositionFromFile (char *filename, int n, char *title)
13525 if (strcmp(filename, "-") == 0) {
13526 return LoadPosition(stdin, n, "stdin");
13528 f = fopen(filename, "rb");
13530 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13531 DisplayError(buf, errno);
13534 return LoadPosition(f, n, title);
13539 /* Load the nth position from the given open file, and close it */
13541 LoadPosition (FILE *f, int positionNumber, char *title)
13543 char *p, line[MSG_SIZ];
13544 Board initial_position;
13545 int i, j, fenMode, pn;
13547 if (gameMode == Training )
13548 SetTrainingModeOff();
13550 if (gameMode != BeginningOfGame) {
13551 Reset(FALSE, TRUE);
13553 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13554 fclose(lastLoadPositionFP);
13556 if (positionNumber == 0) positionNumber = 1;
13557 lastLoadPositionFP = f;
13558 lastLoadPositionNumber = positionNumber;
13559 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13560 if (first.pr == NoProc && !appData.noChessProgram) {
13561 StartChessProgram(&first);
13562 InitChessProgram(&first, FALSE);
13564 pn = positionNumber;
13565 if (positionNumber < 0) {
13566 /* Negative position number means to seek to that byte offset */
13567 if (fseek(f, -positionNumber, 0) == -1) {
13568 DisplayError(_("Can't seek on position file"), 0);
13573 if (fseek(f, 0, 0) == -1) {
13574 if (f == lastLoadPositionFP ?
13575 positionNumber == lastLoadPositionNumber + 1 :
13576 positionNumber == 1) {
13579 DisplayError(_("Can't seek on position file"), 0);
13584 /* See if this file is FEN or old-style xboard */
13585 if (fgets(line, MSG_SIZ, f) == NULL) {
13586 DisplayError(_("Position not found in file"), 0);
13589 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13590 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13593 if (fenMode || line[0] == '#') pn--;
13595 /* skip positions before number pn */
13596 if (fgets(line, MSG_SIZ, f) == NULL) {
13598 DisplayError(_("Position not found in file"), 0);
13601 if (fenMode || line[0] == '#') pn--;
13607 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13608 DisplayError(_("Bad FEN position in file"), 0);
13611 if((strchr(line, ';')) && (p = strstr(line, " bm "))) { // EPD with best move
13612 sscanf(p+4, "%[^;]", bestMove);
13613 } else *bestMove = NULLCHAR;
13614 if((strchr(line, ';')) && (p = strstr(line, " am "))) { // EPD with avoid move
13615 sscanf(p+4, "%[^;]", avoidMove);
13616 } else *avoidMove = NULLCHAR;
13618 (void) fgets(line, MSG_SIZ, f);
13619 (void) fgets(line, MSG_SIZ, f);
13621 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13622 (void) fgets(line, MSG_SIZ, f);
13623 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13626 initial_position[i][j++] = CharToPiece(*p);
13630 blackPlaysFirst = FALSE;
13632 (void) fgets(line, MSG_SIZ, f);
13633 if (strncmp(line, "black", strlen("black"))==0)
13634 blackPlaysFirst = TRUE;
13637 startedFromSetupPosition = TRUE;
13639 CopyBoard(boards[0], initial_position);
13640 if (blackPlaysFirst) {
13641 currentMove = forwardMostMove = backwardMostMove = 1;
13642 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13643 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13644 CopyBoard(boards[1], initial_position);
13645 DisplayMessage("", _("Black to play"));
13647 currentMove = forwardMostMove = backwardMostMove = 0;
13648 DisplayMessage("", _("White to play"));
13650 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13651 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13652 SendToProgram("force\n", &first);
13653 SendBoard(&first, forwardMostMove);
13655 if (appData.debugMode) {
13657 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13658 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13659 fprintf(debugFP, "Load Position\n");
13662 if (positionNumber > 1) {
13663 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13664 DisplayTitle(line);
13666 DisplayTitle(title);
13668 gameMode = EditGame;
13671 timeRemaining[0][1] = whiteTimeRemaining;
13672 timeRemaining[1][1] = blackTimeRemaining;
13673 DrawPosition(FALSE, boards[currentMove]);
13680 CopyPlayerNameIntoFileName (char **dest, char *src)
13682 while (*src != NULLCHAR && *src != ',') {
13687 *(*dest)++ = *src++;
13693 DefaultFileName (char *ext)
13695 static char def[MSG_SIZ];
13698 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13700 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13702 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13704 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13711 /* Save the current game to the given file */
13713 SaveGameToFile (char *filename, int append)
13717 int result, i, t,tot=0;
13719 if (strcmp(filename, "-") == 0) {
13720 return SaveGame(stdout, 0, NULL);
13722 for(i=0; i<10; i++) { // upto 10 tries
13723 f = fopen(filename, append ? "a" : "w");
13724 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13725 if(f || errno != 13) break;
13726 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13730 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13731 DisplayError(buf, errno);
13734 safeStrCpy(buf, lastMsg, MSG_SIZ);
13735 DisplayMessage(_("Waiting for access to save file"), "");
13736 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13737 DisplayMessage(_("Saving game"), "");
13738 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13739 result = SaveGame(f, 0, NULL);
13740 DisplayMessage(buf, "");
13747 SavePart (char *str)
13749 static char buf[MSG_SIZ];
13752 p = strchr(str, ' ');
13753 if (p == NULL) return str;
13754 strncpy(buf, str, p - str);
13755 buf[p - str] = NULLCHAR;
13759 #define PGN_MAX_LINE 75
13761 #define PGN_SIDE_WHITE 0
13762 #define PGN_SIDE_BLACK 1
13765 FindFirstMoveOutOfBook (int side)
13769 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13770 int index = backwardMostMove;
13771 int has_book_hit = 0;
13773 if( (index % 2) != side ) {
13777 while( index < forwardMostMove ) {
13778 /* Check to see if engine is in book */
13779 int depth = pvInfoList[index].depth;
13780 int score = pvInfoList[index].score;
13786 else if( score == 0 && depth == 63 ) {
13787 in_book = 1; /* Zappa */
13789 else if( score == 2 && depth == 99 ) {
13790 in_book = 1; /* Abrok */
13793 has_book_hit += in_book;
13809 GetOutOfBookInfo (char * buf)
13813 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13815 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13816 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13820 if( oob[0] >= 0 || oob[1] >= 0 ) {
13821 for( i=0; i<2; i++ ) {
13825 if( i > 0 && oob[0] >= 0 ) {
13826 strcat( buf, " " );
13829 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13830 sprintf( buf+strlen(buf), "%s%.2f",
13831 pvInfoList[idx].score >= 0 ? "+" : "",
13832 pvInfoList[idx].score / 100.0 );
13838 /* Save game in PGN style */
13840 SaveGamePGN2 (FILE *f)
13842 int i, offset, linelen, newblock;
13845 int movelen, numlen, blank;
13846 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13848 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13850 PrintPGNTags(f, &gameInfo);
13852 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13854 if (backwardMostMove > 0 || startedFromSetupPosition) {
13855 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13856 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13857 fprintf(f, "\n{--------------\n");
13858 PrintPosition(f, backwardMostMove);
13859 fprintf(f, "--------------}\n");
13863 /* [AS] Out of book annotation */
13864 if( appData.saveOutOfBookInfo ) {
13867 GetOutOfBookInfo( buf );
13869 if( buf[0] != '\0' ) {
13870 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13877 i = backwardMostMove;
13881 while (i < forwardMostMove) {
13882 /* Print comments preceding this move */
13883 if (commentList[i] != NULL) {
13884 if (linelen > 0) fprintf(f, "\n");
13885 fprintf(f, "%s", commentList[i]);
13890 /* Format move number */
13892 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13895 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13897 numtext[0] = NULLCHAR;
13899 numlen = strlen(numtext);
13902 /* Print move number */
13903 blank = linelen > 0 && numlen > 0;
13904 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13913 fprintf(f, "%s", numtext);
13917 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13918 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13921 blank = linelen > 0 && movelen > 0;
13922 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13931 fprintf(f, "%s", move_buffer);
13932 linelen += movelen;
13934 /* [AS] Add PV info if present */
13935 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13936 /* [HGM] add time */
13937 char buf[MSG_SIZ]; int seconds;
13939 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13945 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13948 seconds = (seconds + 4)/10; // round to full seconds
13950 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13952 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13955 if(appData.cumulativeTimePGN) {
13956 snprintf(buf, MSG_SIZ, " %+ld", timeRemaining[i & 1][i+1]/1000);
13959 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13960 pvInfoList[i].score >= 0 ? "+" : "",
13961 pvInfoList[i].score / 100.0,
13962 pvInfoList[i].depth,
13965 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13967 /* Print score/depth */
13968 blank = linelen > 0 && movelen > 0;
13969 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13978 fprintf(f, "%s", move_buffer);
13979 linelen += movelen;
13985 /* Start a new line */
13986 if (linelen > 0) fprintf(f, "\n");
13988 /* Print comments after last move */
13989 if (commentList[i] != NULL) {
13990 fprintf(f, "%s\n", commentList[i]);
13994 if (gameInfo.resultDetails != NULL &&
13995 gameInfo.resultDetails[0] != NULLCHAR) {
13996 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13997 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13998 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13999 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
14000 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
14002 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14006 /* Save game in PGN style and close the file */
14008 SaveGamePGN (FILE *f)
14012 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14016 /* Save game in old style and close the file */
14018 SaveGameOldStyle (FILE *f)
14023 tm = time((time_t *) NULL);
14025 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
14028 if (backwardMostMove > 0 || startedFromSetupPosition) {
14029 fprintf(f, "\n[--------------\n");
14030 PrintPosition(f, backwardMostMove);
14031 fprintf(f, "--------------]\n");
14036 i = backwardMostMove;
14037 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
14039 while (i < forwardMostMove) {
14040 if (commentList[i] != NULL) {
14041 fprintf(f, "[%s]\n", commentList[i]);
14044 if ((i % 2) == 1) {
14045 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
14048 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
14050 if (commentList[i] != NULL) {
14054 if (i >= forwardMostMove) {
14058 fprintf(f, "%s\n", parseList[i]);
14063 if (commentList[i] != NULL) {
14064 fprintf(f, "[%s]\n", commentList[i]);
14067 /* This isn't really the old style, but it's close enough */
14068 if (gameInfo.resultDetails != NULL &&
14069 gameInfo.resultDetails[0] != NULLCHAR) {
14070 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
14071 gameInfo.resultDetails);
14073 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14080 /* Save the current game to open file f and close the file */
14082 SaveGame (FILE *f, int dummy, char *dummy2)
14084 if (gameMode == EditPosition) EditPositionDone(TRUE);
14085 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14086 if (appData.oldSaveStyle)
14087 return SaveGameOldStyle(f);
14089 return SaveGamePGN(f);
14092 /* Save the current position to the given file */
14094 SavePositionToFile (char *filename)
14099 if (strcmp(filename, "-") == 0) {
14100 return SavePosition(stdout, 0, NULL);
14102 f = fopen(filename, "a");
14104 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
14105 DisplayError(buf, errno);
14108 safeStrCpy(buf, lastMsg, MSG_SIZ);
14109 DisplayMessage(_("Waiting for access to save file"), "");
14110 flock(fileno(f), LOCK_EX); // [HGM] lock
14111 DisplayMessage(_("Saving position"), "");
14112 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
14113 SavePosition(f, 0, NULL);
14114 DisplayMessage(buf, "");
14120 /* Save the current position to the given open file and close the file */
14122 SavePosition (FILE *f, int dummy, char *dummy2)
14127 if (gameMode == EditPosition) EditPositionDone(TRUE);
14128 if (appData.oldSaveStyle) {
14129 tm = time((time_t *) NULL);
14131 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
14133 fprintf(f, "[--------------\n");
14134 PrintPosition(f, currentMove);
14135 fprintf(f, "--------------]\n");
14137 fen = PositionToFEN(currentMove, NULL, 1);
14138 fprintf(f, "%s\n", fen);
14146 ReloadCmailMsgEvent (int unregister)
14149 static char *inFilename = NULL;
14150 static char *outFilename;
14152 struct stat inbuf, outbuf;
14155 /* Any registered moves are unregistered if unregister is set, */
14156 /* i.e. invoked by the signal handler */
14158 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14159 cmailMoveRegistered[i] = FALSE;
14160 if (cmailCommentList[i] != NULL) {
14161 free(cmailCommentList[i]);
14162 cmailCommentList[i] = NULL;
14165 nCmailMovesRegistered = 0;
14168 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14169 cmailResult[i] = CMAIL_NOT_RESULT;
14173 if (inFilename == NULL) {
14174 /* Because the filenames are static they only get malloced once */
14175 /* and they never get freed */
14176 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
14177 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
14179 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
14180 sprintf(outFilename, "%s.out", appData.cmailGameName);
14183 status = stat(outFilename, &outbuf);
14185 cmailMailedMove = FALSE;
14187 status = stat(inFilename, &inbuf);
14188 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
14191 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
14192 counts the games, notes how each one terminated, etc.
14194 It would be nice to remove this kludge and instead gather all
14195 the information while building the game list. (And to keep it
14196 in the game list nodes instead of having a bunch of fixed-size
14197 parallel arrays.) Note this will require getting each game's
14198 termination from the PGN tags, as the game list builder does
14199 not process the game moves. --mann
14201 cmailMsgLoaded = TRUE;
14202 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
14204 /* Load first game in the file or popup game menu */
14205 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
14207 #endif /* !WIN32 */
14215 char string[MSG_SIZ];
14217 if ( cmailMailedMove
14218 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
14219 return TRUE; /* Allow free viewing */
14222 /* Unregister move to ensure that we don't leave RegisterMove */
14223 /* with the move registered when the conditions for registering no */
14225 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14226 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14227 nCmailMovesRegistered --;
14229 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14231 free(cmailCommentList[lastLoadGameNumber - 1]);
14232 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14236 if (cmailOldMove == -1) {
14237 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14241 if (currentMove > cmailOldMove + 1) {
14242 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14246 if (currentMove < cmailOldMove) {
14247 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14251 if (forwardMostMove > currentMove) {
14252 /* Silently truncate extra moves */
14256 if ( (currentMove == cmailOldMove + 1)
14257 || ( (currentMove == cmailOldMove)
14258 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14259 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14260 if (gameInfo.result != GameUnfinished) {
14261 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14264 if (commentList[currentMove] != NULL) {
14265 cmailCommentList[lastLoadGameNumber - 1]
14266 = StrSave(commentList[currentMove]);
14268 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14270 if (appData.debugMode)
14271 fprintf(debugFP, "Saving %s for game %d\n",
14272 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14274 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14276 f = fopen(string, "w");
14277 if (appData.oldSaveStyle) {
14278 SaveGameOldStyle(f); /* also closes the file */
14280 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14281 f = fopen(string, "w");
14282 SavePosition(f, 0, NULL); /* also closes the file */
14284 fprintf(f, "{--------------\n");
14285 PrintPosition(f, currentMove);
14286 fprintf(f, "--------------}\n\n");
14288 SaveGame(f, 0, NULL); /* also closes the file*/
14291 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14292 nCmailMovesRegistered ++;
14293 } else if (nCmailGames == 1) {
14294 DisplayError(_("You have not made a move yet"), 0);
14305 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14306 FILE *commandOutput;
14307 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14308 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14314 if (! cmailMsgLoaded) {
14315 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14319 if (nCmailGames == nCmailResults) {
14320 DisplayError(_("No unfinished games"), 0);
14324 #if CMAIL_PROHIBIT_REMAIL
14325 if (cmailMailedMove) {
14326 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);
14327 DisplayError(msg, 0);
14332 if (! (cmailMailedMove || RegisterMove())) return;
14334 if ( cmailMailedMove
14335 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14336 snprintf(string, MSG_SIZ, partCommandString,
14337 appData.debugMode ? " -v" : "", appData.cmailGameName);
14338 commandOutput = popen(string, "r");
14340 if (commandOutput == NULL) {
14341 DisplayError(_("Failed to invoke cmail"), 0);
14343 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14344 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14346 if (nBuffers > 1) {
14347 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14348 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14349 nBytes = MSG_SIZ - 1;
14351 (void) memcpy(msg, buffer, nBytes);
14353 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14355 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14356 cmailMailedMove = TRUE; /* Prevent >1 moves */
14359 for (i = 0; i < nCmailGames; i ++) {
14360 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14365 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14367 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14369 appData.cmailGameName,
14371 LoadGameFromFile(buffer, 1, buffer, FALSE);
14372 cmailMsgLoaded = FALSE;
14376 DisplayInformation(msg);
14377 pclose(commandOutput);
14380 if ((*cmailMsg) != '\0') {
14381 DisplayInformation(cmailMsg);
14386 #endif /* !WIN32 */
14395 int prependComma = 0;
14397 char string[MSG_SIZ]; /* Space for game-list */
14400 if (!cmailMsgLoaded) return "";
14402 if (cmailMailedMove) {
14403 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14405 /* Create a list of games left */
14406 snprintf(string, MSG_SIZ, "[");
14407 for (i = 0; i < nCmailGames; i ++) {
14408 if (! ( cmailMoveRegistered[i]
14409 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14410 if (prependComma) {
14411 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14413 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14417 strcat(string, number);
14420 strcat(string, "]");
14422 if (nCmailMovesRegistered + nCmailResults == 0) {
14423 switch (nCmailGames) {
14425 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14429 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14433 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14438 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14440 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14445 if (nCmailResults == nCmailGames) {
14446 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14448 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14453 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14465 if (gameMode == Training)
14466 SetTrainingModeOff();
14469 cmailMsgLoaded = FALSE;
14470 if (appData.icsActive) {
14471 SendToICS(ics_prefix);
14472 SendToICS("refresh\n");
14477 ExitEvent (int status)
14481 /* Give up on clean exit */
14485 /* Keep trying for clean exit */
14489 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14490 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14492 if (telnetISR != NULL) {
14493 RemoveInputSource(telnetISR);
14495 if (icsPR != NoProc) {
14496 DestroyChildProcess(icsPR, TRUE);
14499 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14500 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14502 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14503 /* make sure this other one finishes before killing it! */
14504 if(endingGame) { int count = 0;
14505 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14506 while(endingGame && count++ < 10) DoSleep(1);
14507 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14510 /* Kill off chess programs */
14511 if (first.pr != NoProc) {
14514 DoSleep( appData.delayBeforeQuit );
14515 SendToProgram("quit\n", &first);
14516 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14518 if (second.pr != NoProc) {
14519 DoSleep( appData.delayBeforeQuit );
14520 SendToProgram("quit\n", &second);
14521 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14523 if (first.isr != NULL) {
14524 RemoveInputSource(first.isr);
14526 if (second.isr != NULL) {
14527 RemoveInputSource(second.isr);
14530 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14531 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14533 ShutDownFrontEnd();
14538 PauseEngine (ChessProgramState *cps)
14540 SendToProgram("pause\n", cps);
14545 UnPauseEngine (ChessProgramState *cps)
14547 SendToProgram("resume\n", cps);
14554 if (appData.debugMode)
14555 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14559 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14561 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14562 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14563 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14565 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14566 HandleMachineMove(stashedInputMove, stalledEngine);
14567 stalledEngine = NULL;
14570 if (gameMode == MachinePlaysWhite ||
14571 gameMode == TwoMachinesPlay ||
14572 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14573 if(first.pause) UnPauseEngine(&first);
14574 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14575 if(second.pause) UnPauseEngine(&second);
14576 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14579 DisplayBothClocks();
14581 if (gameMode == PlayFromGameFile) {
14582 if (appData.timeDelay >= 0)
14583 AutoPlayGameLoop();
14584 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14585 Reset(FALSE, TRUE);
14586 SendToICS(ics_prefix);
14587 SendToICS("refresh\n");
14588 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14589 ForwardInner(forwardMostMove);
14591 pauseExamInvalid = FALSE;
14593 switch (gameMode) {
14597 pauseExamForwardMostMove = forwardMostMove;
14598 pauseExamInvalid = FALSE;
14601 case IcsPlayingWhite:
14602 case IcsPlayingBlack:
14606 case PlayFromGameFile:
14607 (void) StopLoadGameTimer();
14611 case BeginningOfGame:
14612 if (appData.icsActive) return;
14613 /* else fall through */
14614 case MachinePlaysWhite:
14615 case MachinePlaysBlack:
14616 case TwoMachinesPlay:
14617 if (forwardMostMove == 0)
14618 return; /* don't pause if no one has moved */
14619 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14620 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14621 if(onMove->pause) { // thinking engine can be paused
14622 PauseEngine(onMove); // do it
14623 if(onMove->other->pause) // pondering opponent can always be paused immediately
14624 PauseEngine(onMove->other);
14626 SendToProgram("easy\n", onMove->other);
14628 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14629 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14631 PauseEngine(&first);
14633 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14634 } else { // human on move, pause pondering by either method
14636 PauseEngine(&first);
14637 else if(appData.ponderNextMove)
14638 SendToProgram("easy\n", &first);
14641 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14651 EditCommentEvent ()
14653 char title[MSG_SIZ];
14655 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14656 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14658 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14659 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14660 parseList[currentMove - 1]);
14663 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14670 char *tags = PGNTags(&gameInfo);
14672 EditTagsPopUp(tags, NULL);
14679 if(second.analyzing) {
14680 SendToProgram("exit\n", &second);
14681 second.analyzing = FALSE;
14683 if (second.pr == NoProc) StartChessProgram(&second);
14684 InitChessProgram(&second, FALSE);
14685 FeedMovesToProgram(&second, currentMove);
14687 SendToProgram("analyze\n", &second);
14688 second.analyzing = TRUE;
14692 /* Toggle ShowThinking */
14694 ToggleShowThinking()
14696 appData.showThinking = !appData.showThinking;
14697 ShowThinkingEvent();
14701 AnalyzeModeEvent ()
14705 if (!first.analysisSupport) {
14706 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14707 DisplayError(buf, 0);
14710 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14711 if (appData.icsActive) {
14712 if (gameMode != IcsObserving) {
14713 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14714 DisplayError(buf, 0);
14716 if (appData.icsEngineAnalyze) {
14717 if (appData.debugMode)
14718 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14724 /* if enable, user wants to disable icsEngineAnalyze */
14725 if (appData.icsEngineAnalyze) {
14730 appData.icsEngineAnalyze = TRUE;
14731 if (appData.debugMode)
14732 fprintf(debugFP, "ICS engine analyze starting... \n");
14735 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14736 if (appData.noChessProgram || gameMode == AnalyzeMode)
14739 if (gameMode != AnalyzeFile) {
14740 if (!appData.icsEngineAnalyze) {
14742 if (gameMode != EditGame) return 0;
14744 if (!appData.showThinking) ToggleShowThinking();
14745 ResurrectChessProgram();
14746 SendToProgram("analyze\n", &first);
14747 first.analyzing = TRUE;
14748 /*first.maybeThinking = TRUE;*/
14749 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14750 EngineOutputPopUp();
14752 if (!appData.icsEngineAnalyze) {
14753 gameMode = AnalyzeMode;
14754 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14760 StartAnalysisClock();
14761 GetTimeMark(&lastNodeCountTime);
14767 AnalyzeFileEvent ()
14769 if (appData.noChessProgram || gameMode == AnalyzeFile)
14772 if (!first.analysisSupport) {
14774 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14775 DisplayError(buf, 0);
14779 if (gameMode != AnalyzeMode) {
14780 keepInfo = 1; // mere annotating should not alter PGN tags
14783 if (gameMode != EditGame) return;
14784 if (!appData.showThinking) ToggleShowThinking();
14785 ResurrectChessProgram();
14786 SendToProgram("analyze\n", &first);
14787 first.analyzing = TRUE;
14788 /*first.maybeThinking = TRUE;*/
14789 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14790 EngineOutputPopUp();
14792 gameMode = AnalyzeFile;
14796 StartAnalysisClock();
14797 GetTimeMark(&lastNodeCountTime);
14799 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14800 AnalysisPeriodicEvent(1);
14804 MachineWhiteEvent ()
14807 char *bookHit = NULL;
14809 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14813 if (gameMode == PlayFromGameFile ||
14814 gameMode == TwoMachinesPlay ||
14815 gameMode == Training ||
14816 gameMode == AnalyzeMode ||
14817 gameMode == EndOfGame)
14820 if (gameMode == EditPosition)
14821 EditPositionDone(TRUE);
14823 if (!WhiteOnMove(currentMove)) {
14824 DisplayError(_("It is not White's turn"), 0);
14828 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14831 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14832 gameMode == AnalyzeFile)
14835 ResurrectChessProgram(); /* in case it isn't running */
14836 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14837 gameMode = MachinePlaysWhite;
14840 gameMode = MachinePlaysWhite;
14844 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14846 if (first.sendName) {
14847 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14848 SendToProgram(buf, &first);
14850 if (first.sendTime) {
14851 if (first.useColors) {
14852 SendToProgram("black\n", &first); /*gnu kludge*/
14854 SendTimeRemaining(&first, TRUE);
14856 if (first.useColors) {
14857 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14859 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14860 SetMachineThinkingEnables();
14861 first.maybeThinking = TRUE;
14865 if (appData.autoFlipView && !flipView) {
14866 flipView = !flipView;
14867 DrawPosition(FALSE, NULL);
14868 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14871 if(bookHit) { // [HGM] book: simulate book reply
14872 static char bookMove[MSG_SIZ]; // a bit generous?
14874 programStats.nodes = programStats.depth = programStats.time =
14875 programStats.score = programStats.got_only_move = 0;
14876 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14878 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14879 strcat(bookMove, bookHit);
14880 HandleMachineMove(bookMove, &first);
14885 MachineBlackEvent ()
14888 char *bookHit = NULL;
14890 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14894 if (gameMode == PlayFromGameFile ||
14895 gameMode == TwoMachinesPlay ||
14896 gameMode == Training ||
14897 gameMode == AnalyzeMode ||
14898 gameMode == EndOfGame)
14901 if (gameMode == EditPosition)
14902 EditPositionDone(TRUE);
14904 if (WhiteOnMove(currentMove)) {
14905 DisplayError(_("It is not Black's turn"), 0);
14909 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14912 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14913 gameMode == AnalyzeFile)
14916 ResurrectChessProgram(); /* in case it isn't running */
14917 gameMode = MachinePlaysBlack;
14921 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14923 if (first.sendName) {
14924 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14925 SendToProgram(buf, &first);
14927 if (first.sendTime) {
14928 if (first.useColors) {
14929 SendToProgram("white\n", &first); /*gnu kludge*/
14931 SendTimeRemaining(&first, FALSE);
14933 if (first.useColors) {
14934 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14936 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14937 SetMachineThinkingEnables();
14938 first.maybeThinking = TRUE;
14941 if (appData.autoFlipView && flipView) {
14942 flipView = !flipView;
14943 DrawPosition(FALSE, NULL);
14944 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14946 if(bookHit) { // [HGM] book: simulate book reply
14947 static char bookMove[MSG_SIZ]; // a bit generous?
14949 programStats.nodes = programStats.depth = programStats.time =
14950 programStats.score = programStats.got_only_move = 0;
14951 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14953 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14954 strcat(bookMove, bookHit);
14955 HandleMachineMove(bookMove, &first);
14961 DisplayTwoMachinesTitle ()
14964 if (appData.matchGames > 0) {
14965 if(appData.tourneyFile[0]) {
14966 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14967 gameInfo.white, _("vs."), gameInfo.black,
14968 nextGame+1, appData.matchGames+1,
14969 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14971 if (first.twoMachinesColor[0] == 'w') {
14972 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14973 gameInfo.white, _("vs."), gameInfo.black,
14974 first.matchWins, second.matchWins,
14975 matchGame - 1 - (first.matchWins + second.matchWins));
14977 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14978 gameInfo.white, _("vs."), gameInfo.black,
14979 second.matchWins, first.matchWins,
14980 matchGame - 1 - (first.matchWins + second.matchWins));
14983 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14989 SettingsMenuIfReady ()
14991 if (second.lastPing != second.lastPong) {
14992 DisplayMessage("", _("Waiting for second chess program"));
14993 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14997 DisplayMessage("", "");
14998 SettingsPopUp(&second);
15002 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
15005 if (cps->pr == NoProc) {
15006 StartChessProgram(cps);
15007 if (cps->protocolVersion == 1) {
15009 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
15011 /* kludge: allow timeout for initial "feature" command */
15012 if(retry != TwoMachinesEventIfReady) FreezeUI();
15013 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
15014 DisplayMessage("", buf);
15015 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
15023 TwoMachinesEvent P((void))
15027 ChessProgramState *onmove;
15028 char *bookHit = NULL;
15029 static int stalling = 0;
15033 if (appData.noChessProgram) return;
15035 switch (gameMode) {
15036 case TwoMachinesPlay:
15038 case MachinePlaysWhite:
15039 case MachinePlaysBlack:
15040 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15041 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15045 case BeginningOfGame:
15046 case PlayFromGameFile:
15049 if (gameMode != EditGame) return;
15052 EditPositionDone(TRUE);
15063 // forwardMostMove = currentMove;
15064 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
15065 startingEngine = TRUE;
15067 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
15069 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
15070 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
15071 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15075 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
15077 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
15078 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
15079 startingEngine = matchMode = FALSE;
15080 DisplayError("second engine does not play this", 0);
15081 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
15082 EditGameEvent(); // switch back to EditGame mode
15087 InitChessProgram(&second, FALSE); // unbalances ping of second engine
15088 SendToProgram("force\n", &second);
15090 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15094 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
15095 if(appData.matchPause>10000 || appData.matchPause<10)
15096 appData.matchPause = 10000; /* [HGM] make pause adjustable */
15097 wait = SubtractTimeMarks(&now, &pauseStart);
15098 if(wait < appData.matchPause) {
15099 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
15102 // we are now committed to starting the game
15104 DisplayMessage("", "");
15106 if (startedFromSetupPosition) {
15107 SendBoard(&second, backwardMostMove);
15108 if (appData.debugMode) {
15109 fprintf(debugFP, "Two Machines\n");
15112 for (i = backwardMostMove; i < forwardMostMove; i++) {
15113 SendMoveToProgram(i, &second);
15117 gameMode = TwoMachinesPlay;
15118 pausing = startingEngine = FALSE;
15119 ModeHighlight(); // [HGM] logo: this triggers display update of logos
15121 DisplayTwoMachinesTitle();
15123 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
15128 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
15129 SendToProgram(first.computerString, &first);
15130 if (first.sendName) {
15131 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
15132 SendToProgram(buf, &first);
15135 SendToProgram(second.computerString, &second);
15136 if (second.sendName) {
15137 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
15138 SendToProgram(buf, &second);
15143 if (!first.sendTime || !second.sendTime) {
15144 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15145 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15147 if (onmove->sendTime) {
15148 if (onmove->useColors) {
15149 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
15151 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
15153 if (onmove->useColors) {
15154 SendToProgram(onmove->twoMachinesColor, onmove);
15156 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
15157 // SendToProgram("go\n", onmove);
15158 onmove->maybeThinking = TRUE;
15159 SetMachineThinkingEnables();
15163 if(bookHit) { // [HGM] book: simulate book reply
15164 static char bookMove[MSG_SIZ]; // a bit generous?
15166 programStats.nodes = programStats.depth = programStats.time =
15167 programStats.score = programStats.got_only_move = 0;
15168 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15170 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15171 strcat(bookMove, bookHit);
15172 savedMessage = bookMove; // args for deferred call
15173 savedState = onmove;
15174 ScheduleDelayedEvent(DeferredBookMove, 1);
15181 if (gameMode == Training) {
15182 SetTrainingModeOff();
15183 gameMode = PlayFromGameFile;
15184 DisplayMessage("", _("Training mode off"));
15186 gameMode = Training;
15187 animateTraining = appData.animate;
15189 /* make sure we are not already at the end of the game */
15190 if (currentMove < forwardMostMove) {
15191 SetTrainingModeOn();
15192 DisplayMessage("", _("Training mode on"));
15194 gameMode = PlayFromGameFile;
15195 DisplayError(_("Already at end of game"), 0);
15204 if (!appData.icsActive) return;
15205 switch (gameMode) {
15206 case IcsPlayingWhite:
15207 case IcsPlayingBlack:
15210 case BeginningOfGame:
15218 EditPositionDone(TRUE);
15231 gameMode = IcsIdle;
15241 switch (gameMode) {
15243 SetTrainingModeOff();
15245 case MachinePlaysWhite:
15246 case MachinePlaysBlack:
15247 case BeginningOfGame:
15248 SendToProgram("force\n", &first);
15249 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15250 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15252 abortEngineThink = TRUE;
15253 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15254 SendToProgram(buf, &first);
15255 DisplayMessage("Aborting engine think", "");
15259 SetUserThinkingEnables();
15261 case PlayFromGameFile:
15262 (void) StopLoadGameTimer();
15263 if (gameFileFP != NULL) {
15268 EditPositionDone(TRUE);
15273 SendToProgram("force\n", &first);
15275 case TwoMachinesPlay:
15276 GameEnds(EndOfFile, NULL, GE_PLAYER);
15277 ResurrectChessProgram();
15278 SetUserThinkingEnables();
15281 ResurrectChessProgram();
15283 case IcsPlayingBlack:
15284 case IcsPlayingWhite:
15285 DisplayError(_("Warning: You are still playing a game"), 0);
15288 DisplayError(_("Warning: You are still observing a game"), 0);
15291 DisplayError(_("Warning: You are still examining a game"), 0);
15302 first.offeredDraw = second.offeredDraw = 0;
15304 if (gameMode == PlayFromGameFile) {
15305 whiteTimeRemaining = timeRemaining[0][currentMove];
15306 blackTimeRemaining = timeRemaining[1][currentMove];
15310 if (gameMode == MachinePlaysWhite ||
15311 gameMode == MachinePlaysBlack ||
15312 gameMode == TwoMachinesPlay ||
15313 gameMode == EndOfGame) {
15314 i = forwardMostMove;
15315 while (i > currentMove) {
15316 SendToProgram("undo\n", &first);
15319 if(!adjustedClock) {
15320 whiteTimeRemaining = timeRemaining[0][currentMove];
15321 blackTimeRemaining = timeRemaining[1][currentMove];
15322 DisplayBothClocks();
15324 if (whiteFlag || blackFlag) {
15325 whiteFlag = blackFlag = 0;
15330 gameMode = EditGame;
15336 EditPositionEvent ()
15339 if (gameMode == EditPosition) {
15345 if (gameMode != EditGame) return;
15347 gameMode = EditPosition;
15350 CopyBoard(rightsBoard, nullBoard);
15351 if (currentMove > 0)
15352 CopyBoard(boards[0], boards[currentMove]);
15353 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15354 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15356 blackPlaysFirst = !WhiteOnMove(currentMove);
15358 currentMove = forwardMostMove = backwardMostMove = 0;
15359 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15361 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15367 /* [DM] icsEngineAnalyze - possible call from other functions */
15368 if (appData.icsEngineAnalyze) {
15369 appData.icsEngineAnalyze = FALSE;
15371 DisplayMessage("",_("Close ICS engine analyze..."));
15373 if (first.analysisSupport && first.analyzing) {
15374 SendToBoth("exit\n");
15375 first.analyzing = second.analyzing = FALSE;
15377 thinkOutput[0] = NULLCHAR;
15381 EditPositionDone (Boolean fakeRights)
15383 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15385 startedFromSetupPosition = TRUE;
15386 InitChessProgram(&first, FALSE);
15387 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15389 boards[0][EP_STATUS] = EP_NONE;
15390 for(f=0; f<=nrCastlingRights; f++) boards[0][CASTLING][f] = NoRights;
15391 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // first pass: Kings & e.p.
15392 if(rightsBoard[r][f]) {
15393 ChessSquare p = boards[0][r][f];
15394 if(p == (blackPlaysFirst ? WhitePawn : BlackPawn)) boards[0][EP_STATUS] = f;
15395 else if(p == king) boards[0][CASTLING][2] = f;
15396 else if(p == WHITE_TO_BLACK king) boards[0][CASTLING][5] = f;
15397 else rightsBoard[r][f] = 2; // mark for second pass
15400 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // second pass: Rooks
15401 if(rightsBoard[r][f] == 2) {
15402 ChessSquare p = boards[0][r][f];
15403 if(p == WhiteRook) boards[0][CASTLING][(f < boards[0][CASTLING][2])] = f; else
15404 if(p == BlackRook) boards[0][CASTLING][(f < boards[0][CASTLING][5])+3] = f;
15408 SendToProgram("force\n", &first);
15409 if (blackPlaysFirst) {
15410 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15411 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15412 currentMove = forwardMostMove = backwardMostMove = 1;
15413 CopyBoard(boards[1], boards[0]);
15415 currentMove = forwardMostMove = backwardMostMove = 0;
15417 SendBoard(&first, forwardMostMove);
15418 if (appData.debugMode) {
15419 fprintf(debugFP, "EditPosDone\n");
15422 DisplayMessage("", "");
15423 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15424 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15425 gameMode = EditGame;
15427 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15428 ClearHighlights(); /* [AS] */
15431 /* Pause for `ms' milliseconds */
15432 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15434 TimeDelay (long ms)
15441 } while (SubtractTimeMarks(&m2, &m1) < ms);
15444 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15446 SendMultiLineToICS (char *buf)
15448 char temp[MSG_SIZ+1], *p;
15455 strncpy(temp, buf, len);
15460 if (*p == '\n' || *p == '\r')
15465 strcat(temp, "\n");
15467 SendToPlayer(temp, strlen(temp));
15471 SetWhiteToPlayEvent ()
15473 if (gameMode == EditPosition) {
15474 blackPlaysFirst = FALSE;
15475 DisplayBothClocks(); /* works because currentMove is 0 */
15476 } else if (gameMode == IcsExamining) {
15477 SendToICS(ics_prefix);
15478 SendToICS("tomove white\n");
15483 SetBlackToPlayEvent ()
15485 if (gameMode == EditPosition) {
15486 blackPlaysFirst = TRUE;
15487 currentMove = 1; /* kludge */
15488 DisplayBothClocks();
15490 } else if (gameMode == IcsExamining) {
15491 SendToICS(ics_prefix);
15492 SendToICS("tomove black\n");
15497 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15500 ChessSquare piece = boards[0][y][x];
15501 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15502 static int lastVariant;
15503 int baseRank = BOARD_HEIGHT-1, hasRights = 0;
15505 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15507 switch (selection) {
15509 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15510 MarkTargetSquares(1);
15511 CopyBoard(currentBoard, boards[0]);
15512 CopyBoard(menuBoard, initialPosition);
15513 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15514 SendToICS(ics_prefix);
15515 SendToICS("bsetup clear\n");
15516 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15517 SendToICS(ics_prefix);
15518 SendToICS("clearboard\n");
15521 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15522 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15523 for (y = 0; y < BOARD_HEIGHT; y++) {
15524 if (gameMode == IcsExamining) {
15525 if (boards[currentMove][y][x] != EmptySquare) {
15526 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15530 } else if(boards[0][y][x] != DarkSquare) {
15531 if(boards[0][y][x] != p) nonEmpty++;
15532 boards[0][y][x] = p;
15536 CopyBoard(rightsBoard, nullBoard);
15537 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15539 for(r = 0; r < BOARD_HEIGHT; r++) {
15540 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15541 ChessSquare p = menuBoard[r][x];
15542 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15545 menuBoard[CASTLING][0] = menuBoard[CASTLING][3] = NoRights; // h-side Rook was deleted
15546 DisplayMessage("Clicking clock again restores position", "");
15547 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15548 if(!nonEmpty) { // asked to clear an empty board
15549 CopyBoard(boards[0], menuBoard);
15551 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15552 CopyBoard(boards[0], initialPosition);
15554 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15555 && !CompareBoards(nullBoard, erasedBoard)) {
15556 CopyBoard(boards[0], erasedBoard);
15558 CopyBoard(erasedBoard, currentBoard);
15560 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15561 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15564 if (gameMode == EditPosition) {
15565 DrawPosition(FALSE, boards[0]);
15570 SetWhiteToPlayEvent();
15574 SetBlackToPlayEvent();
15578 if (gameMode == IcsExamining) {
15579 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15580 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15583 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15584 if(x == BOARD_LEFT-2) {
15585 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15586 boards[0][y][1] = 0;
15588 if(x == BOARD_RGHT+1) {
15589 if(y >= gameInfo.holdingsSize) break;
15590 boards[0][y][BOARD_WIDTH-2] = 0;
15593 boards[0][y][x] = EmptySquare;
15594 DrawPosition(FALSE, boards[0]);
15599 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15600 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15601 selection = (ChessSquare) (PROMOTED(piece));
15602 } else if(piece == EmptySquare) selection = WhiteSilver;
15603 else selection = (ChessSquare)((int)piece - 1);
15607 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15608 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15609 selection = (ChessSquare) (DEMOTED(piece));
15610 } else if(piece == EmptySquare) selection = BlackSilver;
15611 else selection = (ChessSquare)((int)piece + 1);
15616 if(gameInfo.variant == VariantShatranj ||
15617 gameInfo.variant == VariantXiangqi ||
15618 gameInfo.variant == VariantCourier ||
15619 gameInfo.variant == VariantASEAN ||
15620 gameInfo.variant == VariantMakruk )
15621 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15627 if(y == baseRank && (x == BOARD_LEFT || x == BOARD_RGHT-1 || appData.fischerCastling)) hasRights = 1;
15628 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15634 if(gameInfo.variant == VariantXiangqi)
15635 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15636 if(gameInfo.variant == VariantKnightmate)
15637 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15638 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15641 if (gameMode == IcsExamining) {
15642 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15643 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15644 PieceToChar(selection), AAA + x, ONE + y);
15647 rightsBoard[y][x] = hasRights;
15648 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15650 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15651 n = PieceToNumber(selection - BlackPawn);
15652 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15653 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15654 boards[0][BOARD_HEIGHT-1-n][1]++;
15656 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15657 n = PieceToNumber(selection);
15658 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15659 boards[0][n][BOARD_WIDTH-1] = selection;
15660 boards[0][n][BOARD_WIDTH-2]++;
15663 boards[0][y][x] = selection;
15664 DrawPosition(TRUE, boards[0]);
15666 fromX = fromY = -1;
15674 DropMenuEvent (ChessSquare selection, int x, int y)
15676 ChessMove moveType;
15678 switch (gameMode) {
15679 case IcsPlayingWhite:
15680 case MachinePlaysBlack:
15681 if (!WhiteOnMove(currentMove)) {
15682 DisplayMoveError(_("It is Black's turn"));
15685 moveType = WhiteDrop;
15687 case IcsPlayingBlack:
15688 case MachinePlaysWhite:
15689 if (WhiteOnMove(currentMove)) {
15690 DisplayMoveError(_("It is White's turn"));
15693 moveType = BlackDrop;
15696 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15702 if (moveType == BlackDrop && selection < BlackPawn) {
15703 selection = (ChessSquare) ((int) selection
15704 + (int) BlackPawn - (int) WhitePawn);
15706 if (boards[currentMove][y][x] != EmptySquare) {
15707 DisplayMoveError(_("That square is occupied"));
15711 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15717 /* Accept a pending offer of any kind from opponent */
15719 if (appData.icsActive) {
15720 SendToICS(ics_prefix);
15721 SendToICS("accept\n");
15722 } else if (cmailMsgLoaded) {
15723 if (currentMove == cmailOldMove &&
15724 commentList[cmailOldMove] != NULL &&
15725 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15726 "Black offers a draw" : "White offers a draw")) {
15728 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15729 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15731 DisplayError(_("There is no pending offer on this move"), 0);
15732 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15735 /* Not used for offers from chess program */
15742 /* Decline a pending offer of any kind from opponent */
15744 if (appData.icsActive) {
15745 SendToICS(ics_prefix);
15746 SendToICS("decline\n");
15747 } else if (cmailMsgLoaded) {
15748 if (currentMove == cmailOldMove &&
15749 commentList[cmailOldMove] != NULL &&
15750 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15751 "Black offers a draw" : "White offers a draw")) {
15753 AppendComment(cmailOldMove, "Draw declined", TRUE);
15754 DisplayComment(cmailOldMove - 1, "Draw declined");
15757 DisplayError(_("There is no pending offer on this move"), 0);
15760 /* Not used for offers from chess program */
15767 /* Issue ICS rematch command */
15768 if (appData.icsActive) {
15769 SendToICS(ics_prefix);
15770 SendToICS("rematch\n");
15777 /* Call your opponent's flag (claim a win on time) */
15778 if (appData.icsActive) {
15779 SendToICS(ics_prefix);
15780 SendToICS("flag\n");
15782 switch (gameMode) {
15785 case MachinePlaysWhite:
15788 GameEnds(GameIsDrawn, "Both players ran out of time",
15791 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15793 DisplayError(_("Your opponent is not out of time"), 0);
15796 case MachinePlaysBlack:
15799 GameEnds(GameIsDrawn, "Both players ran out of time",
15802 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15804 DisplayError(_("Your opponent is not out of time"), 0);
15812 ClockClick (int which)
15813 { // [HGM] code moved to back-end from winboard.c
15814 if(which) { // black clock
15815 if (gameMode == EditPosition || gameMode == IcsExamining) {
15816 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15817 SetBlackToPlayEvent();
15818 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15819 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15820 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15821 } else if (shiftKey) {
15822 AdjustClock(which, -1);
15823 } else if (gameMode == IcsPlayingWhite ||
15824 gameMode == MachinePlaysBlack) {
15827 } else { // white clock
15828 if (gameMode == EditPosition || gameMode == IcsExamining) {
15829 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15830 SetWhiteToPlayEvent();
15831 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15832 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15833 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15834 } else if (shiftKey) {
15835 AdjustClock(which, -1);
15836 } else if (gameMode == IcsPlayingBlack ||
15837 gameMode == MachinePlaysWhite) {
15846 /* Offer draw or accept pending draw offer from opponent */
15848 if (appData.icsActive) {
15849 /* Note: tournament rules require draw offers to be
15850 made after you make your move but before you punch
15851 your clock. Currently ICS doesn't let you do that;
15852 instead, you immediately punch your clock after making
15853 a move, but you can offer a draw at any time. */
15855 SendToICS(ics_prefix);
15856 SendToICS("draw\n");
15857 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15858 } else if (cmailMsgLoaded) {
15859 if (currentMove == cmailOldMove &&
15860 commentList[cmailOldMove] != NULL &&
15861 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15862 "Black offers a draw" : "White offers a draw")) {
15863 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15864 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15865 } else if (currentMove == cmailOldMove + 1) {
15866 char *offer = WhiteOnMove(cmailOldMove) ?
15867 "White offers a draw" : "Black offers a draw";
15868 AppendComment(currentMove, offer, TRUE);
15869 DisplayComment(currentMove - 1, offer);
15870 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15872 DisplayError(_("You must make your move before offering a draw"), 0);
15873 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15875 } else if (first.offeredDraw) {
15876 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15878 if (first.sendDrawOffers) {
15879 SendToProgram("draw\n", &first);
15880 userOfferedDraw = TRUE;
15888 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15890 if (appData.icsActive) {
15891 SendToICS(ics_prefix);
15892 SendToICS("adjourn\n");
15894 /* Currently GNU Chess doesn't offer or accept Adjourns */
15902 /* Offer Abort or accept pending Abort offer from opponent */
15904 if (appData.icsActive) {
15905 SendToICS(ics_prefix);
15906 SendToICS("abort\n");
15908 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15915 /* Resign. You can do this even if it's not your turn. */
15917 if (appData.icsActive) {
15918 SendToICS(ics_prefix);
15919 SendToICS("resign\n");
15921 switch (gameMode) {
15922 case MachinePlaysWhite:
15923 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15925 case MachinePlaysBlack:
15926 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15929 if (cmailMsgLoaded) {
15931 if (WhiteOnMove(cmailOldMove)) {
15932 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15934 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15936 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15947 StopObservingEvent ()
15949 /* Stop observing current games */
15950 SendToICS(ics_prefix);
15951 SendToICS("unobserve\n");
15955 StopExaminingEvent ()
15957 /* Stop observing current game */
15958 SendToICS(ics_prefix);
15959 SendToICS("unexamine\n");
15963 ForwardInner (int target)
15965 int limit; int oldSeekGraphUp = seekGraphUp;
15967 if (appData.debugMode)
15968 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15969 target, currentMove, forwardMostMove);
15971 if (gameMode == EditPosition)
15974 seekGraphUp = FALSE;
15975 MarkTargetSquares(1);
15976 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15978 if (gameMode == PlayFromGameFile && !pausing)
15981 if (gameMode == IcsExamining && pausing)
15982 limit = pauseExamForwardMostMove;
15984 limit = forwardMostMove;
15986 if (target > limit) target = limit;
15988 if (target > 0 && moveList[target - 1][0]) {
15989 int fromX, fromY, toX, toY;
15990 toX = moveList[target - 1][2] - AAA;
15991 toY = moveList[target - 1][3] - ONE;
15992 if (moveList[target - 1][1] == '@') {
15993 if (appData.highlightLastMove) {
15994 SetHighlights(-1, -1, toX, toY);
15997 fromX = moveList[target - 1][0] - AAA;
15998 fromY = moveList[target - 1][1] - ONE;
15999 if (target == currentMove + 1) {
16000 if(moveList[target - 1][4] == ';') { // multi-leg
16001 killX = moveList[target - 1][5] - AAA;
16002 killY = moveList[target - 1][6] - ONE;
16004 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
16005 killX = killY = -1;
16007 if (appData.highlightLastMove) {
16008 SetHighlights(fromX, fromY, toX, toY);
16012 if (gameMode == EditGame || gameMode == AnalyzeMode ||
16013 gameMode == Training || gameMode == PlayFromGameFile ||
16014 gameMode == AnalyzeFile) {
16015 while (currentMove < target) {
16016 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16017 SendMoveToProgram(currentMove++, &first);
16020 currentMove = target;
16023 if (gameMode == EditGame || gameMode == EndOfGame) {
16024 whiteTimeRemaining = timeRemaining[0][currentMove];
16025 blackTimeRemaining = timeRemaining[1][currentMove];
16027 DisplayBothClocks();
16028 DisplayMove(currentMove - 1);
16029 DrawPosition(oldSeekGraphUp, boards[currentMove]);
16030 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16031 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
16032 DisplayComment(currentMove - 1, commentList[currentMove]);
16034 ClearMap(); // [HGM] exclude: invalidate map
16041 if (gameMode == IcsExamining && !pausing) {
16042 SendToICS(ics_prefix);
16043 SendToICS("forward\n");
16045 ForwardInner(currentMove + 1);
16052 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16053 /* to optimze, we temporarily turn off analysis mode while we feed
16054 * the remaining moves to the engine. Otherwise we get analysis output
16057 if (first.analysisSupport) {
16058 SendToProgram("exit\nforce\n", &first);
16059 first.analyzing = FALSE;
16063 if (gameMode == IcsExamining && !pausing) {
16064 SendToICS(ics_prefix);
16065 SendToICS("forward 999999\n");
16067 ForwardInner(forwardMostMove);
16070 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16071 /* we have fed all the moves, so reactivate analysis mode */
16072 SendToProgram("analyze\n", &first);
16073 first.analyzing = TRUE;
16074 /*first.maybeThinking = TRUE;*/
16075 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16080 BackwardInner (int target)
16082 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
16084 if (appData.debugMode)
16085 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
16086 target, currentMove, forwardMostMove);
16088 if (gameMode == EditPosition) return;
16089 seekGraphUp = FALSE;
16090 MarkTargetSquares(1);
16091 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
16092 if (currentMove <= backwardMostMove) {
16094 DrawPosition(full_redraw, boards[currentMove]);
16097 if (gameMode == PlayFromGameFile && !pausing)
16100 if (moveList[target][0]) {
16101 int fromX, fromY, toX, toY;
16102 toX = moveList[target][2] - AAA;
16103 toY = moveList[target][3] - ONE;
16104 if (moveList[target][1] == '@') {
16105 if (appData.highlightLastMove) {
16106 SetHighlights(-1, -1, toX, toY);
16109 fromX = moveList[target][0] - AAA;
16110 fromY = moveList[target][1] - ONE;
16111 if (target == currentMove - 1) {
16112 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
16114 if (appData.highlightLastMove) {
16115 SetHighlights(fromX, fromY, toX, toY);
16119 if (gameMode == EditGame || gameMode==AnalyzeMode ||
16120 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
16121 while (currentMove > target) {
16122 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
16123 // null move cannot be undone. Reload program with move history before it.
16125 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
16126 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
16128 SendBoard(&first, i);
16129 if(second.analyzing) SendBoard(&second, i);
16130 for(currentMove=i; currentMove<target; currentMove++) {
16131 SendMoveToProgram(currentMove, &first);
16132 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16136 SendToBoth("undo\n");
16140 currentMove = target;
16143 if (gameMode == EditGame || gameMode == EndOfGame) {
16144 whiteTimeRemaining = timeRemaining[0][currentMove];
16145 blackTimeRemaining = timeRemaining[1][currentMove];
16147 DisplayBothClocks();
16148 DisplayMove(currentMove - 1);
16149 DrawPosition(full_redraw, boards[currentMove]);
16150 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16151 // [HGM] PV info: routine tests if comment empty
16152 DisplayComment(currentMove - 1, commentList[currentMove]);
16153 ClearMap(); // [HGM] exclude: invalidate map
16159 if (gameMode == IcsExamining && !pausing) {
16160 SendToICS(ics_prefix);
16161 SendToICS("backward\n");
16163 BackwardInner(currentMove - 1);
16170 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16171 /* to optimize, we temporarily turn off analysis mode while we undo
16172 * all the moves. Otherwise we get analysis output after each undo.
16174 if (first.analysisSupport) {
16175 SendToProgram("exit\nforce\n", &first);
16176 first.analyzing = FALSE;
16180 if (gameMode == IcsExamining && !pausing) {
16181 SendToICS(ics_prefix);
16182 SendToICS("backward 999999\n");
16184 BackwardInner(backwardMostMove);
16187 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16188 /* we have fed all the moves, so reactivate analysis mode */
16189 SendToProgram("analyze\n", &first);
16190 first.analyzing = TRUE;
16191 /*first.maybeThinking = TRUE;*/
16192 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16199 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
16200 if (to >= forwardMostMove) to = forwardMostMove;
16201 if (to <= backwardMostMove) to = backwardMostMove;
16202 if (to < currentMove) {
16210 RevertEvent (Boolean annotate)
16212 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
16215 if (gameMode != IcsExamining) {
16216 DisplayError(_("You are not examining a game"), 0);
16220 DisplayError(_("You can't revert while pausing"), 0);
16223 SendToICS(ics_prefix);
16224 SendToICS("revert\n");
16228 RetractMoveEvent ()
16230 switch (gameMode) {
16231 case MachinePlaysWhite:
16232 case MachinePlaysBlack:
16233 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
16234 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
16237 if (forwardMostMove < 2) return;
16238 currentMove = forwardMostMove = forwardMostMove - 2;
16239 whiteTimeRemaining = timeRemaining[0][currentMove];
16240 blackTimeRemaining = timeRemaining[1][currentMove];
16241 DisplayBothClocks();
16242 DisplayMove(currentMove - 1);
16243 ClearHighlights();/*!! could figure this out*/
16244 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16245 SendToProgram("remove\n", &first);
16246 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16249 case BeginningOfGame:
16253 case IcsPlayingWhite:
16254 case IcsPlayingBlack:
16255 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16256 SendToICS(ics_prefix);
16257 SendToICS("takeback 2\n");
16259 SendToICS(ics_prefix);
16260 SendToICS("takeback 1\n");
16269 ChessProgramState *cps;
16271 switch (gameMode) {
16272 case MachinePlaysWhite:
16273 if (!WhiteOnMove(forwardMostMove)) {
16274 DisplayError(_("It is your turn"), 0);
16279 case MachinePlaysBlack:
16280 if (WhiteOnMove(forwardMostMove)) {
16281 DisplayError(_("It is your turn"), 0);
16286 case TwoMachinesPlay:
16287 if (WhiteOnMove(forwardMostMove) ==
16288 (first.twoMachinesColor[0] == 'w')) {
16294 case BeginningOfGame:
16298 SendToProgram("?\n", cps);
16302 TruncateGameEvent ()
16305 if (gameMode != EditGame) return;
16312 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16313 if (forwardMostMove > currentMove) {
16314 if (gameInfo.resultDetails != NULL) {
16315 free(gameInfo.resultDetails);
16316 gameInfo.resultDetails = NULL;
16317 gameInfo.result = GameUnfinished;
16319 forwardMostMove = currentMove;
16320 HistorySet(parseList, backwardMostMove, forwardMostMove,
16328 if (appData.noChessProgram) return;
16329 switch (gameMode) {
16330 case MachinePlaysWhite:
16331 if (WhiteOnMove(forwardMostMove)) {
16332 DisplayError(_("Wait until your turn."), 0);
16336 case BeginningOfGame:
16337 case MachinePlaysBlack:
16338 if (!WhiteOnMove(forwardMostMove)) {
16339 DisplayError(_("Wait until your turn."), 0);
16344 DisplayError(_("No hint available"), 0);
16347 SendToProgram("hint\n", &first);
16348 hintRequested = TRUE;
16352 SaveSelected (FILE *g, int dummy, char *dummy2)
16354 ListGame * lg = (ListGame *) gameList.head;
16358 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16359 DisplayError(_("Game list not loaded or empty"), 0);
16363 creatingBook = TRUE; // suppresses stuff during load game
16365 /* Get list size */
16366 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16367 if(lg->position >= 0) { // selected?
16368 LoadGame(f, nItem, "", TRUE);
16369 SaveGamePGN2(g); // leaves g open
16372 lg = (ListGame *) lg->node.succ;
16376 creatingBook = FALSE;
16384 ListGame * lg = (ListGame *) gameList.head;
16387 static int secondTime = FALSE;
16389 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16390 DisplayError(_("Game list not loaded or empty"), 0);
16394 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16397 DisplayNote(_("Book file exists! Try again for overwrite."));
16401 creatingBook = TRUE;
16402 secondTime = FALSE;
16404 /* Get list size */
16405 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16406 if(lg->position >= 0) {
16407 LoadGame(f, nItem, "", TRUE);
16408 AddGameToBook(TRUE);
16411 lg = (ListGame *) lg->node.succ;
16414 creatingBook = FALSE;
16421 if (appData.noChessProgram) return;
16422 switch (gameMode) {
16423 case MachinePlaysWhite:
16424 if (WhiteOnMove(forwardMostMove)) {
16425 DisplayError(_("Wait until your turn."), 0);
16429 case BeginningOfGame:
16430 case MachinePlaysBlack:
16431 if (!WhiteOnMove(forwardMostMove)) {
16432 DisplayError(_("Wait until your turn."), 0);
16437 EditPositionDone(TRUE);
16439 case TwoMachinesPlay:
16444 SendToProgram("bk\n", &first);
16445 bookOutput[0] = NULLCHAR;
16446 bookRequested = TRUE;
16452 char *tags = PGNTags(&gameInfo);
16453 TagsPopUp(tags, CmailMsg());
16457 /* end button procedures */
16460 PrintPosition (FILE *fp, int move)
16464 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16465 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16466 char c = PieceToChar(boards[move][i][j]);
16467 fputc(c == '?' ? '.' : c, fp);
16468 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16471 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16472 fprintf(fp, "white to play\n");
16474 fprintf(fp, "black to play\n");
16478 PrintOpponents (FILE *fp)
16480 if (gameInfo.white != NULL) {
16481 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16487 /* Find last component of program's own name, using some heuristics */
16489 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16492 int local = (strcmp(host, "localhost") == 0);
16493 while (!local && (p = strchr(prog, ';')) != NULL) {
16495 while (*p == ' ') p++;
16498 if (*prog == '"' || *prog == '\'') {
16499 q = strchr(prog + 1, *prog);
16501 q = strchr(prog, ' ');
16503 if (q == NULL) q = prog + strlen(prog);
16505 while (p >= prog && *p != '/' && *p != '\\') p--;
16507 if(p == prog && *p == '"') p++;
16509 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16510 memcpy(buf, p, q - p);
16511 buf[q - p] = NULLCHAR;
16519 TimeControlTagValue ()
16522 if (!appData.clockMode) {
16523 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16524 } else if (movesPerSession > 0) {
16525 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16526 } else if (timeIncrement == 0) {
16527 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16529 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16531 return StrSave(buf);
16537 /* This routine is used only for certain modes */
16538 VariantClass v = gameInfo.variant;
16539 ChessMove r = GameUnfinished;
16542 if(keepInfo) return;
16544 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16545 r = gameInfo.result;
16546 p = gameInfo.resultDetails;
16547 gameInfo.resultDetails = NULL;
16549 ClearGameInfo(&gameInfo);
16550 gameInfo.variant = v;
16552 switch (gameMode) {
16553 case MachinePlaysWhite:
16554 gameInfo.event = StrSave( appData.pgnEventHeader );
16555 gameInfo.site = StrSave(HostName());
16556 gameInfo.date = PGNDate();
16557 gameInfo.round = StrSave("-");
16558 gameInfo.white = StrSave(first.tidy);
16559 gameInfo.black = StrSave(UserName());
16560 gameInfo.timeControl = TimeControlTagValue();
16563 case MachinePlaysBlack:
16564 gameInfo.event = StrSave( appData.pgnEventHeader );
16565 gameInfo.site = StrSave(HostName());
16566 gameInfo.date = PGNDate();
16567 gameInfo.round = StrSave("-");
16568 gameInfo.white = StrSave(UserName());
16569 gameInfo.black = StrSave(first.tidy);
16570 gameInfo.timeControl = TimeControlTagValue();
16573 case TwoMachinesPlay:
16574 gameInfo.event = StrSave( appData.pgnEventHeader );
16575 gameInfo.site = StrSave(HostName());
16576 gameInfo.date = PGNDate();
16579 snprintf(buf, MSG_SIZ, "%d", roundNr);
16580 gameInfo.round = StrSave(buf);
16582 gameInfo.round = StrSave("-");
16584 if (first.twoMachinesColor[0] == 'w') {
16585 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16586 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16588 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16589 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16591 gameInfo.timeControl = TimeControlTagValue();
16595 gameInfo.event = StrSave("Edited game");
16596 gameInfo.site = StrSave(HostName());
16597 gameInfo.date = PGNDate();
16598 gameInfo.round = StrSave("-");
16599 gameInfo.white = StrSave("-");
16600 gameInfo.black = StrSave("-");
16601 gameInfo.result = r;
16602 gameInfo.resultDetails = p;
16606 gameInfo.event = StrSave("Edited position");
16607 gameInfo.site = StrSave(HostName());
16608 gameInfo.date = PGNDate();
16609 gameInfo.round = StrSave("-");
16610 gameInfo.white = StrSave("-");
16611 gameInfo.black = StrSave("-");
16614 case IcsPlayingWhite:
16615 case IcsPlayingBlack:
16620 case PlayFromGameFile:
16621 gameInfo.event = StrSave("Game from non-PGN file");
16622 gameInfo.site = StrSave(HostName());
16623 gameInfo.date = PGNDate();
16624 gameInfo.round = StrSave("-");
16625 gameInfo.white = StrSave("?");
16626 gameInfo.black = StrSave("?");
16635 ReplaceComment (int index, char *text)
16641 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16642 pvInfoList[index-1].depth == len &&
16643 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16644 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16645 while (*text == '\n') text++;
16646 len = strlen(text);
16647 while (len > 0 && text[len - 1] == '\n') len--;
16649 if (commentList[index] != NULL)
16650 free(commentList[index]);
16653 commentList[index] = NULL;
16656 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16657 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16658 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16659 commentList[index] = (char *) malloc(len + 2);
16660 strncpy(commentList[index], text, len);
16661 commentList[index][len] = '\n';
16662 commentList[index][len + 1] = NULLCHAR;
16664 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16666 commentList[index] = (char *) malloc(len + 7);
16667 safeStrCpy(commentList[index], "{\n", 3);
16668 safeStrCpy(commentList[index]+2, text, len+1);
16669 commentList[index][len+2] = NULLCHAR;
16670 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16671 strcat(commentList[index], "\n}\n");
16676 CrushCRs (char *text)
16684 if (ch == '\r') continue;
16686 } while (ch != '\0');
16690 AppendComment (int index, char *text, Boolean addBraces)
16691 /* addBraces tells if we should add {} */
16696 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16697 if(addBraces == 3) addBraces = 0; else // force appending literally
16698 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16701 while (*text == '\n') text++;
16702 len = strlen(text);
16703 while (len > 0 && text[len - 1] == '\n') len--;
16704 text[len] = NULLCHAR;
16706 if (len == 0) return;
16708 if (commentList[index] != NULL) {
16709 Boolean addClosingBrace = addBraces;
16710 old = commentList[index];
16711 oldlen = strlen(old);
16712 while(commentList[index][oldlen-1] == '\n')
16713 commentList[index][--oldlen] = NULLCHAR;
16714 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16715 safeStrCpy(commentList[index], old, oldlen + len + 6);
16717 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16718 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16719 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16720 while (*text == '\n') { text++; len--; }
16721 commentList[index][--oldlen] = NULLCHAR;
16723 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16724 else strcat(commentList[index], "\n");
16725 strcat(commentList[index], text);
16726 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16727 else strcat(commentList[index], "\n");
16729 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16731 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16732 else commentList[index][0] = NULLCHAR;
16733 strcat(commentList[index], text);
16734 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16735 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16740 FindStr (char * text, char * sub_text)
16742 char * result = strstr( text, sub_text );
16744 if( result != NULL ) {
16745 result += strlen( sub_text );
16751 /* [AS] Try to extract PV info from PGN comment */
16752 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16754 GetInfoFromComment (int index, char * text)
16756 char * sep = text, *p;
16758 if( text != NULL && index > 0 ) {
16761 int time = -1, sec = 0, deci;
16762 char * s_eval = FindStr( text, "[%eval " );
16763 char * s_emt = FindStr( text, "[%emt " );
16765 if( s_eval != NULL || s_emt != NULL ) {
16767 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16772 if( s_eval != NULL ) {
16773 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16777 if( delim != ']' ) {
16782 if( s_emt != NULL ) {
16787 /* We expect something like: [+|-]nnn.nn/dd */
16790 if(*text != '{') return text; // [HGM] braces: must be normal comment
16792 sep = strchr( text, '/' );
16793 if( sep == NULL || sep < (text+4) ) {
16798 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16799 if(p[1] == '(') { // comment starts with PV
16800 p = strchr(p, ')'); // locate end of PV
16801 if(p == NULL || sep < p+5) return text;
16802 // at this point we have something like "{(.*) +0.23/6 ..."
16803 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16804 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16805 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16807 time = -1; sec = -1; deci = -1;
16808 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16809 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16810 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16811 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16815 if( score_lo < 0 || score_lo >= 100 ) {
16819 if(sec >= 0) time = 600*time + 10*sec; else
16820 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16822 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16824 /* [HGM] PV time: now locate end of PV info */
16825 while( *++sep >= '0' && *sep <= '9'); // strip depth
16827 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16829 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16831 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16832 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16843 pvInfoList[index-1].depth = depth;
16844 pvInfoList[index-1].score = score;
16845 pvInfoList[index-1].time = 10*time; // centi-sec
16846 if(*sep == '}') *sep = 0; else *--sep = '{';
16848 while(*p++ = *sep++)
16851 } // squeeze out space between PV and comment, and return both
16857 SendToProgram (char *message, ChessProgramState *cps)
16859 int count, outCount, error;
16862 if (cps->pr == NoProc) return;
16865 if (appData.debugMode) {
16868 fprintf(debugFP, "%ld >%-6s: %s",
16869 SubtractTimeMarks(&now, &programStartTime),
16870 cps->which, message);
16872 fprintf(serverFP, "%ld >%-6s: %s",
16873 SubtractTimeMarks(&now, &programStartTime),
16874 cps->which, message), fflush(serverFP);
16877 count = strlen(message);
16878 outCount = OutputToProcess(cps->pr, message, count, &error);
16879 if (outCount < count && !exiting
16880 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16881 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16882 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16883 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16884 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16885 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16886 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16887 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16889 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16890 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16891 gameInfo.result = res;
16893 gameInfo.resultDetails = StrSave(buf);
16895 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16896 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16901 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16905 ChessProgramState *cps = (ChessProgramState *)closure;
16907 if (isr != cps->isr) return; /* Killed intentionally */
16910 RemoveInputSource(cps->isr);
16911 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16912 _(cps->which), cps->program);
16913 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16914 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16915 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16916 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16917 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16918 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16920 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16921 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16922 gameInfo.result = res;
16924 gameInfo.resultDetails = StrSave(buf);
16926 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16927 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16929 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16930 _(cps->which), cps->program);
16931 RemoveInputSource(cps->isr);
16933 /* [AS] Program is misbehaving badly... kill it */
16934 if( count == -2 ) {
16935 DestroyChildProcess( cps->pr, 9 );
16939 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16944 if ((end_str = strchr(message, '\r')) != NULL)
16945 *end_str = NULLCHAR;
16946 if ((end_str = strchr(message, '\n')) != NULL)
16947 *end_str = NULLCHAR;
16949 if (appData.debugMode) {
16950 TimeMark now; int print = 1;
16951 char *quote = ""; char c; int i;
16953 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16954 char start = message[0];
16955 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16956 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16957 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16958 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16959 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16960 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16961 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16962 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16963 sscanf(message, "hint: %c", &c)!=1 &&
16964 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16965 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16966 print = (appData.engineComments >= 2);
16968 message[0] = start; // restore original message
16972 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16973 SubtractTimeMarks(&now, &programStartTime), cps->which,
16977 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16978 SubtractTimeMarks(&now, &programStartTime), cps->which,
16980 message), fflush(serverFP);
16984 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16985 if (appData.icsEngineAnalyze) {
16986 if (strstr(message, "whisper") != NULL ||
16987 strstr(message, "kibitz") != NULL ||
16988 strstr(message, "tellics") != NULL) return;
16991 HandleMachineMove(message, cps);
16996 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
17001 if( timeControl_2 > 0 ) {
17002 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
17003 tc = timeControl_2;
17006 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
17007 inc /= cps->timeOdds;
17008 st /= cps->timeOdds;
17010 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
17013 /* Set exact time per move, normally using st command */
17014 if (cps->stKludge) {
17015 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
17017 if (seconds == 0) {
17018 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
17020 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
17023 snprintf(buf, MSG_SIZ, "st %d\n", st);
17026 /* Set conventional or incremental time control, using level command */
17027 if (seconds == 0) {
17028 /* Note old gnuchess bug -- minutes:seconds used to not work.
17029 Fixed in later versions, but still avoid :seconds
17030 when seconds is 0. */
17031 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
17033 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
17034 seconds, inc/1000.);
17037 SendToProgram(buf, cps);
17039 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
17040 /* Orthogonally, limit search to given depth */
17042 if (cps->sdKludge) {
17043 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
17045 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
17047 SendToProgram(buf, cps);
17050 if(cps->nps >= 0) { /* [HGM] nps */
17051 if(cps->supportsNPS == FALSE)
17052 cps->nps = -1; // don't use if engine explicitly says not supported!
17054 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
17055 SendToProgram(buf, cps);
17060 ChessProgramState *
17062 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
17064 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
17065 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
17071 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
17073 char message[MSG_SIZ];
17076 /* Note: this routine must be called when the clocks are stopped
17077 or when they have *just* been set or switched; otherwise
17078 it will be off by the time since the current tick started.
17080 if (machineWhite) {
17081 time = whiteTimeRemaining / 10;
17082 otime = blackTimeRemaining / 10;
17084 time = blackTimeRemaining / 10;
17085 otime = whiteTimeRemaining / 10;
17087 /* [HGM] translate opponent's time by time-odds factor */
17088 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
17090 if (time <= 0) time = 1;
17091 if (otime <= 0) otime = 1;
17093 snprintf(message, MSG_SIZ, "time %ld\n", time);
17094 SendToProgram(message, cps);
17096 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
17097 SendToProgram(message, cps);
17101 EngineDefinedVariant (ChessProgramState *cps, int n)
17102 { // return name of n-th unknown variant that engine supports
17103 static char buf[MSG_SIZ];
17104 char *p, *s = cps->variants;
17105 if(!s) return NULL;
17106 do { // parse string from variants feature
17108 p = strchr(s, ',');
17109 if(p) *p = NULLCHAR;
17110 v = StringToVariant(s);
17111 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
17112 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
17113 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
17114 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
17115 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
17116 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
17117 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
17120 if(n < 0) return buf;
17126 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17129 int len = strlen(name);
17132 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17134 sscanf(*p, "%d", &val);
17136 while (**p && **p != ' ')
17138 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17139 SendToProgram(buf, cps);
17146 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17149 int len = strlen(name);
17150 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17152 sscanf(*p, "%d", loc);
17153 while (**p && **p != ' ') (*p)++;
17154 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17155 SendToProgram(buf, cps);
17162 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
17165 int len = strlen(name);
17166 if (strncmp((*p), name, len) == 0
17167 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
17169 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
17170 sscanf(*p, "%[^\"]", *loc);
17171 while (**p && **p != '\"') (*p)++;
17172 if (**p == '\"') (*p)++;
17173 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17174 SendToProgram(buf, cps);
17181 ParseOption (Option *opt, ChessProgramState *cps)
17182 // [HGM] options: process the string that defines an engine option, and determine
17183 // name, type, default value, and allowed value range
17185 char *p, *q, buf[MSG_SIZ];
17186 int n, min = (-1)<<31, max = 1<<31, def;
17188 opt->target = &opt->value; // OK for spin/slider and checkbox
17189 if(p = strstr(opt->name, " -spin ")) {
17190 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17191 if(max < min) max = min; // enforce consistency
17192 if(def < min) def = min;
17193 if(def > max) def = max;
17198 } else if((p = strstr(opt->name, " -slider "))) {
17199 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
17200 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17201 if(max < min) max = min; // enforce consistency
17202 if(def < min) def = min;
17203 if(def > max) def = max;
17207 opt->type = Spin; // Slider;
17208 } else if((p = strstr(opt->name, " -string "))) {
17209 opt->textValue = p+9;
17210 opt->type = TextBox;
17211 opt->target = &opt->textValue;
17212 } else if((p = strstr(opt->name, " -file "))) {
17213 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17214 opt->target = opt->textValue = p+7;
17215 opt->type = FileName; // FileName;
17216 opt->target = &opt->textValue;
17217 } else if((p = strstr(opt->name, " -path "))) {
17218 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17219 opt->target = opt->textValue = p+7;
17220 opt->type = PathName; // PathName;
17221 opt->target = &opt->textValue;
17222 } else if(p = strstr(opt->name, " -check ")) {
17223 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
17224 opt->value = (def != 0);
17225 opt->type = CheckBox;
17226 } else if(p = strstr(opt->name, " -combo ")) {
17227 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
17228 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
17229 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
17230 opt->value = n = 0;
17231 while(q = StrStr(q, " /// ")) {
17232 n++; *q = 0; // count choices, and null-terminate each of them
17234 if(*q == '*') { // remember default, which is marked with * prefix
17238 cps->comboList[cps->comboCnt++] = q;
17240 cps->comboList[cps->comboCnt++] = NULL;
17242 opt->type = ComboBox;
17243 } else if(p = strstr(opt->name, " -button")) {
17244 opt->type = Button;
17245 } else if(p = strstr(opt->name, " -save")) {
17246 opt->type = SaveButton;
17247 } else return FALSE;
17248 *p = 0; // terminate option name
17249 // now look if the command-line options define a setting for this engine option.
17250 if(cps->optionSettings && cps->optionSettings[0])
17251 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17252 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17253 snprintf(buf, MSG_SIZ, "option %s", p);
17254 if(p = strstr(buf, ",")) *p = 0;
17255 if(q = strchr(buf, '=')) switch(opt->type) {
17257 for(n=0; n<opt->max; n++)
17258 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17261 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17265 opt->value = atoi(q+1);
17270 SendToProgram(buf, cps);
17276 FeatureDone (ChessProgramState *cps, int val)
17278 DelayedEventCallback cb = GetDelayedEvent();
17279 if ((cb == InitBackEnd3 && cps == &first) ||
17280 (cb == SettingsMenuIfReady && cps == &second) ||
17281 (cb == LoadEngine) ||
17282 (cb == TwoMachinesEventIfReady)) {
17283 CancelDelayedEvent();
17284 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17285 } else if(!val && !cps->reload) ClearOptions(cps); // let 'spurious' done=0 clear engine's option list
17286 cps->initDone = val;
17287 if(val) cps->reload = FALSE, RefreshSettingsDialog(cps, val);
17290 /* Parse feature command from engine */
17292 ParseFeatures (char *args, ChessProgramState *cps)
17300 while (*p == ' ') p++;
17301 if (*p == NULLCHAR) return;
17303 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17304 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17305 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17306 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17307 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17308 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17309 if (BoolFeature(&p, "reuse", &val, cps)) {
17310 /* Engine can disable reuse, but can't enable it if user said no */
17311 if (!val) cps->reuse = FALSE;
17314 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17315 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17316 if (gameMode == TwoMachinesPlay) {
17317 DisplayTwoMachinesTitle();
17323 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17324 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17325 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17326 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17327 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17328 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17329 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17330 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17331 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17332 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17333 if (IntFeature(&p, "done", &val, cps)) {
17334 FeatureDone(cps, val);
17337 /* Added by Tord: */
17338 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17339 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17340 /* End of additions by Tord */
17342 /* [HGM] added features: */
17343 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17344 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17345 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17346 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17347 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17348 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17349 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17350 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17351 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17352 FREE(cps->option[cps->nrOptions].name);
17353 cps->option[cps->nrOptions].name = q; q = NULL;
17354 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17355 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17356 SendToProgram(buf, cps);
17359 if(cps->nrOptions >= MAX_OPTIONS) {
17361 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17362 DisplayError(buf, 0);
17366 /* End of additions by HGM */
17368 /* unknown feature: complain and skip */
17370 while (*q && *q != '=') q++;
17371 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17372 SendToProgram(buf, cps);
17378 while (*p && *p != '\"') p++;
17379 if (*p == '\"') p++;
17381 while (*p && *p != ' ') p++;
17389 PeriodicUpdatesEvent (int newState)
17391 if (newState == appData.periodicUpdates)
17394 appData.periodicUpdates=newState;
17396 /* Display type changes, so update it now */
17397 // DisplayAnalysis();
17399 /* Get the ball rolling again... */
17401 AnalysisPeriodicEvent(1);
17402 StartAnalysisClock();
17407 PonderNextMoveEvent (int newState)
17409 if (newState == appData.ponderNextMove) return;
17410 if (gameMode == EditPosition) EditPositionDone(TRUE);
17412 SendToProgram("hard\n", &first);
17413 if (gameMode == TwoMachinesPlay) {
17414 SendToProgram("hard\n", &second);
17417 SendToProgram("easy\n", &first);
17418 thinkOutput[0] = NULLCHAR;
17419 if (gameMode == TwoMachinesPlay) {
17420 SendToProgram("easy\n", &second);
17423 appData.ponderNextMove = newState;
17427 NewSettingEvent (int option, int *feature, char *command, int value)
17431 if (gameMode == EditPosition) EditPositionDone(TRUE);
17432 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17433 if(feature == NULL || *feature) SendToProgram(buf, &first);
17434 if (gameMode == TwoMachinesPlay) {
17435 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17440 ShowThinkingEvent ()
17441 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17443 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17444 int newState = appData.showThinking
17445 // [HGM] thinking: other features now need thinking output as well
17446 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17448 if (oldState == newState) return;
17449 oldState = newState;
17450 if (gameMode == EditPosition) EditPositionDone(TRUE);
17452 SendToProgram("post\n", &first);
17453 if (gameMode == TwoMachinesPlay) {
17454 SendToProgram("post\n", &second);
17457 SendToProgram("nopost\n", &first);
17458 thinkOutput[0] = NULLCHAR;
17459 if (gameMode == TwoMachinesPlay) {
17460 SendToProgram("nopost\n", &second);
17463 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17467 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17469 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17470 if (pr == NoProc) return;
17471 AskQuestion(title, question, replyPrefix, pr);
17475 TypeInEvent (char firstChar)
17477 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17478 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17479 gameMode == AnalyzeMode || gameMode == EditGame ||
17480 gameMode == EditPosition || gameMode == IcsExamining ||
17481 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17482 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17483 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17484 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17485 gameMode == Training) PopUpMoveDialog(firstChar);
17489 TypeInDoneEvent (char *move)
17492 int n, fromX, fromY, toX, toY;
17494 ChessMove moveType;
17497 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17498 EditPositionPasteFEN(move);
17501 // [HGM] movenum: allow move number to be typed in any mode
17502 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17506 // undocumented kludge: allow command-line option to be typed in!
17507 // (potentially fatal, and does not implement the effect of the option.)
17508 // should only be used for options that are values on which future decisions will be made,
17509 // and definitely not on options that would be used during initialization.
17510 if(strstr(move, "!!! -") == move) {
17511 ParseArgsFromString(move+4);
17515 if (gameMode != EditGame && currentMove != forwardMostMove &&
17516 gameMode != Training) {
17517 DisplayMoveError(_("Displayed move is not current"));
17519 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17520 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17521 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17522 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17523 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17524 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17526 DisplayMoveError(_("Could not parse move"));
17532 DisplayMove (int moveNumber)
17534 char message[MSG_SIZ];
17536 char cpThinkOutput[MSG_SIZ];
17538 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17540 if (moveNumber == forwardMostMove - 1 ||
17541 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17543 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17545 if (strchr(cpThinkOutput, '\n')) {
17546 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17549 *cpThinkOutput = NULLCHAR;
17552 /* [AS] Hide thinking from human user */
17553 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17554 *cpThinkOutput = NULLCHAR;
17555 if( thinkOutput[0] != NULLCHAR ) {
17558 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17559 cpThinkOutput[i] = '.';
17561 cpThinkOutput[i] = NULLCHAR;
17562 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17566 if (moveNumber == forwardMostMove - 1 &&
17567 gameInfo.resultDetails != NULL) {
17568 if (gameInfo.resultDetails[0] == NULLCHAR) {
17569 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17571 snprintf(res, MSG_SIZ, " {%s} %s",
17572 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17578 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17579 DisplayMessage(res, cpThinkOutput);
17581 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17582 WhiteOnMove(moveNumber) ? " " : ".. ",
17583 parseList[moveNumber], res);
17584 DisplayMessage(message, cpThinkOutput);
17589 DisplayComment (int moveNumber, char *text)
17591 char title[MSG_SIZ];
17593 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17594 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17596 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17597 WhiteOnMove(moveNumber) ? " " : ".. ",
17598 parseList[moveNumber]);
17600 if (text != NULL && (appData.autoDisplayComment || commentUp))
17601 CommentPopUp(title, text);
17604 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17605 * might be busy thinking or pondering. It can be omitted if your
17606 * gnuchess is configured to stop thinking immediately on any user
17607 * input. However, that gnuchess feature depends on the FIONREAD
17608 * ioctl, which does not work properly on some flavors of Unix.
17611 Attention (ChessProgramState *cps)
17614 if (!cps->useSigint) return;
17615 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17616 switch (gameMode) {
17617 case MachinePlaysWhite:
17618 case MachinePlaysBlack:
17619 case TwoMachinesPlay:
17620 case IcsPlayingWhite:
17621 case IcsPlayingBlack:
17624 /* Skip if we know it isn't thinking */
17625 if (!cps->maybeThinking) return;
17626 if (appData.debugMode)
17627 fprintf(debugFP, "Interrupting %s\n", cps->which);
17628 InterruptChildProcess(cps->pr);
17629 cps->maybeThinking = FALSE;
17634 #endif /*ATTENTION*/
17640 if (whiteTimeRemaining <= 0) {
17643 if (appData.icsActive) {
17644 if (appData.autoCallFlag &&
17645 gameMode == IcsPlayingBlack && !blackFlag) {
17646 SendToICS(ics_prefix);
17647 SendToICS("flag\n");
17651 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17653 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17654 if (appData.autoCallFlag) {
17655 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17662 if (blackTimeRemaining <= 0) {
17665 if (appData.icsActive) {
17666 if (appData.autoCallFlag &&
17667 gameMode == IcsPlayingWhite && !whiteFlag) {
17668 SendToICS(ics_prefix);
17669 SendToICS("flag\n");
17673 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17675 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17676 if (appData.autoCallFlag) {
17677 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17688 CheckTimeControl ()
17690 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17691 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17694 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17696 if ( !WhiteOnMove(forwardMostMove) ) {
17697 /* White made time control */
17698 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17699 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17700 /* [HGM] time odds: correct new time quota for time odds! */
17701 / WhitePlayer()->timeOdds;
17702 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17704 lastBlack -= blackTimeRemaining;
17705 /* Black made time control */
17706 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17707 / WhitePlayer()->other->timeOdds;
17708 lastWhite = whiteTimeRemaining;
17713 DisplayBothClocks ()
17715 int wom = gameMode == EditPosition ?
17716 !blackPlaysFirst : WhiteOnMove(currentMove);
17717 DisplayWhiteClock(whiteTimeRemaining, wom);
17718 DisplayBlackClock(blackTimeRemaining, !wom);
17722 /* Timekeeping seems to be a portability nightmare. I think everyone
17723 has ftime(), but I'm really not sure, so I'm including some ifdefs
17724 to use other calls if you don't. Clocks will be less accurate if
17725 you have neither ftime nor gettimeofday.
17728 /* VS 2008 requires the #include outside of the function */
17729 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17730 #include <sys/timeb.h>
17733 /* Get the current time as a TimeMark */
17735 GetTimeMark (TimeMark *tm)
17737 #if HAVE_GETTIMEOFDAY
17739 struct timeval timeVal;
17740 struct timezone timeZone;
17742 gettimeofday(&timeVal, &timeZone);
17743 tm->sec = (long) timeVal.tv_sec;
17744 tm->ms = (int) (timeVal.tv_usec / 1000L);
17746 #else /*!HAVE_GETTIMEOFDAY*/
17749 // include <sys/timeb.h> / moved to just above start of function
17750 struct timeb timeB;
17753 tm->sec = (long) timeB.time;
17754 tm->ms = (int) timeB.millitm;
17756 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17757 tm->sec = (long) time(NULL);
17763 /* Return the difference in milliseconds between two
17764 time marks. We assume the difference will fit in a long!
17767 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17769 return 1000L*(tm2->sec - tm1->sec) +
17770 (long) (tm2->ms - tm1->ms);
17775 * Code to manage the game clocks.
17777 * In tournament play, black starts the clock and then white makes a move.
17778 * We give the human user a slight advantage if he is playing white---the
17779 * clocks don't run until he makes his first move, so it takes zero time.
17780 * Also, we don't account for network lag, so we could get out of sync
17781 * with GNU Chess's clock -- but then, referees are always right.
17784 static TimeMark tickStartTM;
17785 static long intendedTickLength;
17788 NextTickLength (long timeRemaining)
17790 long nominalTickLength, nextTickLength;
17792 if (timeRemaining > 0L && timeRemaining <= 10000L)
17793 nominalTickLength = 100L;
17795 nominalTickLength = 1000L;
17796 nextTickLength = timeRemaining % nominalTickLength;
17797 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17799 return nextTickLength;
17802 /* Adjust clock one minute up or down */
17804 AdjustClock (Boolean which, int dir)
17806 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17807 if(which) blackTimeRemaining += 60000*dir;
17808 else whiteTimeRemaining += 60000*dir;
17809 DisplayBothClocks();
17810 adjustedClock = TRUE;
17813 /* Stop clocks and reset to a fresh time control */
17817 (void) StopClockTimer();
17818 if (appData.icsActive) {
17819 whiteTimeRemaining = blackTimeRemaining = 0;
17820 } else if (searchTime) {
17821 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17822 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17823 } else { /* [HGM] correct new time quote for time odds */
17824 whiteTC = blackTC = fullTimeControlString;
17825 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17826 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17828 if (whiteFlag || blackFlag) {
17830 whiteFlag = blackFlag = FALSE;
17832 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17833 DisplayBothClocks();
17834 adjustedClock = FALSE;
17837 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17839 static int timeSuffix; // [HGM] This should realy be a passed parameter, but it has to pass through too many levels for my laziness...
17841 /* Decrement running clock by amount of time that has passed */
17846 long lastTickLength, fudge;
17849 if (!appData.clockMode) return;
17850 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17854 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17856 /* Fudge if we woke up a little too soon */
17857 fudge = intendedTickLength - lastTickLength;
17858 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17860 if (WhiteOnMove(forwardMostMove)) {
17861 if(whiteNPS >= 0) lastTickLength = 0;
17862 tRemaining = whiteTimeRemaining -= lastTickLength;
17863 if( tRemaining < 0 && !appData.icsActive) {
17864 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17865 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17866 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17867 lastWhite= tRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17870 if(forwardMostMove && appData.moveTime) timeSuffix = timeRemaining[0][forwardMostMove-1] - tRemaining;
17871 DisplayWhiteClock(whiteTimeRemaining - fudge,
17872 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17875 if(blackNPS >= 0) lastTickLength = 0;
17876 tRemaining = blackTimeRemaining -= lastTickLength;
17877 if( tRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17878 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17880 blackStartMove = forwardMostMove;
17881 lastBlack = tRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17884 if(forwardMostMove && appData.moveTime) timeSuffix = timeRemaining[1][forwardMostMove-1] - tRemaining;
17885 DisplayBlackClock(blackTimeRemaining - fudge,
17886 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17889 if (CheckFlags()) return;
17891 if(twoBoards) { // count down secondary board's clocks as well
17892 activePartnerTime -= lastTickLength;
17894 if(activePartner == 'W')
17895 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17897 DisplayBlackClock(activePartnerTime, TRUE);
17902 intendedTickLength = NextTickLength( tRemaining - fudge) + fudge;
17903 StartClockTimer(intendedTickLength);
17905 /* if the time remaining has fallen below the alarm threshold, sound the
17906 * alarm. if the alarm has sounded and (due to a takeback or time control
17907 * with increment) the time remaining has increased to a level above the
17908 * threshold, reset the alarm so it can sound again.
17911 if (appData.icsActive && appData.icsAlarm) {
17913 /* make sure we are dealing with the user's clock */
17914 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17915 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17918 if (alarmSounded && ( tRemaining > appData.icsAlarmTime)) {
17919 alarmSounded = FALSE;
17920 } else if (!alarmSounded && ( tRemaining <= appData.icsAlarmTime)) {
17922 alarmSounded = TRUE;
17928 /* A player has just moved, so stop the previously running
17929 clock and (if in clock mode) start the other one.
17930 We redisplay both clocks in case we're in ICS mode, because
17931 ICS gives us an update to both clocks after every move.
17932 Note that this routine is called *after* forwardMostMove
17933 is updated, so the last fractional tick must be subtracted
17934 from the color that is *not* on move now.
17937 SwitchClocks (int newMoveNr)
17939 long lastTickLength;
17941 int flagged = FALSE;
17945 if (StopClockTimer() && appData.clockMode) {
17946 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17947 if (!WhiteOnMove(forwardMostMove)) {
17948 if(blackNPS >= 0) lastTickLength = 0;
17949 blackTimeRemaining -= lastTickLength;
17950 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17951 // if(pvInfoList[forwardMostMove].time == -1)
17952 pvInfoList[forwardMostMove].time = // use GUI time
17953 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17955 if(whiteNPS >= 0) lastTickLength = 0;
17956 whiteTimeRemaining -= lastTickLength;
17957 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17958 // if(pvInfoList[forwardMostMove].time == -1)
17959 pvInfoList[forwardMostMove].time =
17960 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17962 flagged = CheckFlags();
17964 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17965 CheckTimeControl();
17967 if (flagged || !appData.clockMode) return;
17969 switch (gameMode) {
17970 case MachinePlaysBlack:
17971 case MachinePlaysWhite:
17972 case BeginningOfGame:
17973 if (pausing) return;
17977 case PlayFromGameFile:
17985 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17986 if(WhiteOnMove(forwardMostMove))
17987 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17988 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17992 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17993 whiteTimeRemaining : blackTimeRemaining);
17994 StartClockTimer(intendedTickLength);
17998 /* Stop both clocks */
18002 long lastTickLength;
18005 if (!StopClockTimer()) return;
18006 if (!appData.clockMode) return;
18010 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
18011 if (WhiteOnMove(forwardMostMove)) {
18012 if(whiteNPS >= 0) lastTickLength = 0;
18013 whiteTimeRemaining -= lastTickLength;
18014 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
18016 if(blackNPS >= 0) lastTickLength = 0;
18017 blackTimeRemaining -= lastTickLength;
18018 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
18023 /* Start clock of player on move. Time may have been reset, so
18024 if clock is already running, stop and restart it. */
18028 (void) StopClockTimer(); /* in case it was running already */
18029 DisplayBothClocks();
18030 if (CheckFlags()) return;
18032 if (!appData.clockMode) return;
18033 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
18035 GetTimeMark(&tickStartTM);
18036 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
18037 whiteTimeRemaining : blackTimeRemaining);
18039 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
18040 whiteNPS = blackNPS = -1;
18041 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
18042 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
18043 whiteNPS = first.nps;
18044 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
18045 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
18046 blackNPS = first.nps;
18047 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
18048 whiteNPS = second.nps;
18049 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
18050 blackNPS = second.nps;
18051 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
18053 StartClockTimer(intendedTickLength);
18057 TimeString (long ms)
18059 long second, minute, hour, day;
18061 static char buf[40], moveTime[8];
18063 if (ms > 0 && ms <= 9900) {
18064 /* convert milliseconds to tenths, rounding up */
18065 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
18067 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
18071 /* convert milliseconds to seconds, rounding up */
18072 /* use floating point to avoid strangeness of integer division
18073 with negative dividends on many machines */
18074 second = (long) floor(((double) (ms + 999L)) / 1000.0);
18081 day = second / (60 * 60 * 24);
18082 second = second % (60 * 60 * 24);
18083 hour = second / (60 * 60);
18084 second = second % (60 * 60);
18085 minute = second / 60;
18086 second = second % 60;
18088 if(timeSuffix) snprintf(moveTime, 8, " (%d)", timeSuffix/1000); // [HGM] kludge alert; fraction contains move time
18089 else *moveTime = NULLCHAR;
18092 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld%s ",
18093 sign, day, hour, minute, second, moveTime);
18095 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld%s ", sign, hour, minute, second, moveTime);
18097 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld%s ", sign, minute, second, moveTime);
18104 * This is necessary because some C libraries aren't ANSI C compliant yet.
18107 StrStr (char *string, char *match)
18111 length = strlen(match);
18113 for (i = strlen(string) - length; i >= 0; i--, string++)
18114 if (!strncmp(match, string, length))
18121 StrCaseStr (char *string, char *match)
18125 length = strlen(match);
18127 for (i = strlen(string) - length; i >= 0; i--, string++) {
18128 for (j = 0; j < length; j++) {
18129 if (ToLower(match[j]) != ToLower(string[j]))
18132 if (j == length) return string;
18140 StrCaseCmp (char *s1, char *s2)
18145 c1 = ToLower(*s1++);
18146 c2 = ToLower(*s2++);
18147 if (c1 > c2) return 1;
18148 if (c1 < c2) return -1;
18149 if (c1 == NULLCHAR) return 0;
18157 return isupper(c) ? tolower(c) : c;
18164 return islower(c) ? toupper(c) : c;
18166 #endif /* !_amigados */
18173 if ((ret = (char *) malloc(strlen(s) + 1)))
18175 safeStrCpy(ret, s, strlen(s)+1);
18181 StrSavePtr (char *s, char **savePtr)
18186 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
18187 safeStrCpy(*savePtr, s, strlen(s)+1);
18199 clock = time((time_t *)NULL);
18200 tm = localtime(&clock);
18201 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
18202 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
18203 return StrSave(buf);
18208 PositionToFEN (int move, char *overrideCastling, int moveCounts)
18210 int i, j, fromX, fromY, toX, toY;
18211 int whiteToPlay, haveRights = nrCastlingRights;
18217 whiteToPlay = (gameMode == EditPosition) ?
18218 !blackPlaysFirst : (move % 2 == 0);
18221 /* Piece placement data */
18222 for (i = BOARD_HEIGHT - 1 - deadRanks; i >= 0; i--) {
18223 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
18225 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
18226 if (boards[move][i][j] == EmptySquare) {
18228 } else { ChessSquare piece = boards[move][i][j];
18229 if (emptycount > 0) {
18230 if(emptycount<10) /* [HGM] can be >= 10 */
18231 *p++ = '0' + emptycount;
18232 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18235 if(PieceToChar(piece) == '+') {
18236 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
18238 piece = (ChessSquare)(CHUDEMOTED(piece));
18240 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
18241 if(*p = PieceSuffix(piece)) p++;
18243 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
18244 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED(piece)));
18249 if (emptycount > 0) {
18250 if(emptycount<10) /* [HGM] can be >= 10 */
18251 *p++ = '0' + emptycount;
18252 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18259 /* [HGM] print Crazyhouse or Shogi holdings */
18260 if( gameInfo.holdingsWidth ) {
18261 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18263 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18264 piece = boards[move][i][BOARD_WIDTH-1];
18265 if( piece != EmptySquare )
18266 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18267 *p++ = PieceToChar(piece);
18269 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18270 piece = boards[move][BOARD_HEIGHT-i-1][0];
18271 if( piece != EmptySquare )
18272 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
18273 *p++ = PieceToChar(piece);
18276 if( q == p ) *p++ = '-';
18282 *p++ = whiteToPlay ? 'w' : 'b';
18285 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18286 haveRights = 0; q = p;
18287 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18288 piece = boards[move][0][i];
18289 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18290 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18293 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18294 piece = boards[move][BOARD_HEIGHT-1][i];
18295 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18296 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18299 if(p == q) *p++ = '-';
18303 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18306 if(q != overrideCastling+1) p[-1] = ' '; else --p;
18309 int handW=0, handB=0;
18310 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18311 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18312 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18315 if(appData.fischerCastling) {
18316 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18317 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18318 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18320 /* [HGM] write directly from rights */
18321 if(boards[move][CASTLING][2] != NoRights &&
18322 boards[move][CASTLING][0] != NoRights )
18323 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18324 if(boards[move][CASTLING][2] != NoRights &&
18325 boards[move][CASTLING][1] != NoRights )
18326 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18329 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18330 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18332 if(boards[move][CASTLING][5] != NoRights &&
18333 boards[move][CASTLING][3] != NoRights )
18334 *p++ = boards[move][CASTLING][3] + AAA;
18335 if(boards[move][CASTLING][5] != NoRights &&
18336 boards[move][CASTLING][4] != NoRights )
18337 *p++ = boards[move][CASTLING][4] + AAA;
18341 /* [HGM] write true castling rights */
18342 if( nrCastlingRights == 6 ) {
18344 if(boards[move][CASTLING][0] != NoRights &&
18345 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18346 q = (boards[move][CASTLING][1] != NoRights &&
18347 boards[move][CASTLING][2] != NoRights );
18348 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18349 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18350 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18351 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18355 if(boards[move][CASTLING][3] != NoRights &&
18356 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18357 q = (boards[move][CASTLING][4] != NoRights &&
18358 boards[move][CASTLING][5] != NoRights );
18360 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18361 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18362 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18367 if (q == p) *p++ = '-'; /* No castling rights */
18371 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18372 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18373 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18374 /* En passant target square */
18375 if (move > backwardMostMove) {
18376 fromX = moveList[move - 1][0] - AAA;
18377 fromY = moveList[move - 1][1] - ONE;
18378 toX = moveList[move - 1][2] - AAA;
18379 toY = moveList[move - 1][3] - ONE;
18380 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
18381 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
18382 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
18384 /* 2-square pawn move just happened */
18386 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18390 } else if(move == backwardMostMove) {
18391 // [HGM] perhaps we should always do it like this, and forget the above?
18392 if((signed char)boards[move][EP_STATUS] >= 0) {
18393 *p++ = boards[move][EP_STATUS] + AAA;
18394 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18406 { int i = 0, j=move;
18408 /* [HGM] find reversible plies */
18409 if (appData.debugMode) { int k;
18410 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18411 for(k=backwardMostMove; k<=forwardMostMove; k++)
18412 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18416 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18417 if( j == backwardMostMove ) i += initialRulePlies;
18418 sprintf(p, "%d ", i);
18419 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18421 /* Fullmove number */
18422 sprintf(p, "%d", (move / 2) + 1);
18423 } else *--p = NULLCHAR;
18425 return StrSave(buf);
18429 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18431 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18433 int emptycount, virgin[BOARD_FILES];
18434 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18438 for(i=1; i<=deadRanks; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) board[BOARD_HEIGHT-i][j] = DarkSquare;
18440 /* Piece placement data */
18441 for (i = BOARD_HEIGHT - 1 - deadRanks; i >= 0; i--) {
18444 if (*p == '/' || *p == ' ' || *p == '[' ) {
18446 emptycount = gameInfo.boardWidth - j;
18447 while (emptycount--)
18448 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18449 if (*p == '/') p++;
18450 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18451 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18452 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18454 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18457 #if(BOARD_FILES >= 10)*0
18458 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18459 p++; emptycount=10;
18460 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18461 while (emptycount--)
18462 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18464 } else if (*p == '*') {
18465 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18466 } else if (isdigit(*p)) {
18467 emptycount = *p++ - '0';
18468 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18469 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18470 while (emptycount--)
18471 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18472 } else if (*p == '<') {
18473 if(i == BOARD_HEIGHT-1) shuffle = 1;
18474 else if (i != 0 || !shuffle) return FALSE;
18476 } else if (shuffle && *p == '>') {
18477 p++; // for now ignore closing shuffle range, and assume rank-end
18478 } else if (*p == '?') {
18479 if (j >= gameInfo.boardWidth) return FALSE;
18480 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18481 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18482 } else if (*p == '+' || isalpha(*p)) {
18483 char *q, *s = SUFFIXES;
18484 if (j >= gameInfo.boardWidth) return FALSE;
18487 if(q = strchr(s, p[1])) p++;
18488 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18489 if(piece == EmptySquare) return FALSE; /* unknown piece */
18490 piece = (ChessSquare) (CHUPROMOTED(piece)); p++;
18491 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18494 if(q = strchr(s, *p)) p++;
18495 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18498 if(piece==EmptySquare) return FALSE; /* unknown piece */
18499 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18500 piece = (ChessSquare) (PROMOTED(piece));
18501 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18504 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18505 if(piece == king) wKingRank = i;
18506 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18512 while (*p == '/' || *p == ' ') p++;
18514 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18516 /* [HGM] by default clear Crazyhouse holdings, if present */
18517 if(gameInfo.holdingsWidth) {
18518 for(i=0; i<BOARD_HEIGHT; i++) {
18519 board[i][0] = EmptySquare; /* black holdings */
18520 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18521 board[i][1] = (ChessSquare) 0; /* black counts */
18522 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18526 /* [HGM] look for Crazyhouse holdings here */
18527 while(*p==' ') p++;
18528 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18529 int swap=0, wcnt=0, bcnt=0;
18531 if(*p == '<') swap++, p++;
18532 if(*p == '-' ) p++; /* empty holdings */ else {
18533 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18534 /* if we would allow FEN reading to set board size, we would */
18535 /* have to add holdings and shift the board read so far here */
18536 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18538 if((int) piece >= (int) BlackPawn ) {
18539 i = (int)piece - (int)BlackPawn;
18540 i = PieceToNumber((ChessSquare)i);
18541 if( i >= gameInfo.holdingsSize ) return FALSE;
18542 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18543 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18546 i = (int)piece - (int)WhitePawn;
18547 i = PieceToNumber((ChessSquare)i);
18548 if( i >= gameInfo.holdingsSize ) return FALSE;
18549 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18550 board[i][BOARD_WIDTH-2]++; /* black holdings */
18554 if(subst) { // substitute back-rank question marks by holdings pieces
18555 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18556 int k, m, n = bcnt + 1;
18557 if(board[0][j] == ClearBoard) {
18558 if(!wcnt) return FALSE;
18560 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18561 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18562 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18566 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18567 if(!bcnt) return FALSE;
18568 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18569 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18570 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18571 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18582 if(subst) return FALSE; // substitution requested, but no holdings
18584 while(*p == ' ') p++;
18588 if(appData.colorNickNames) {
18589 if( c == appData.colorNickNames[0] ) c = 'w'; else
18590 if( c == appData.colorNickNames[1] ) c = 'b';
18594 *blackPlaysFirst = FALSE;
18597 *blackPlaysFirst = TRUE;
18603 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18604 /* return the extra info in global variiables */
18606 while(*p==' ') p++;
18608 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18609 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18610 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18613 /* set defaults in case FEN is incomplete */
18614 board[EP_STATUS] = EP_UNKNOWN;
18615 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18616 for(i=0; i<nrCastlingRights; i++ ) {
18617 board[CASTLING][i] =
18618 appData.fischerCastling ? NoRights : initialRights[i];
18619 } /* assume possible unless obviously impossible */
18620 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18621 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18622 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18623 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18624 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18625 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18626 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18627 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18630 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18633 while(isalpha(*p)) {
18634 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18635 if(islower(*p)) b |= 1 << (*p++ - 'a');
18639 board[TOUCHED_W] = ~w;
18640 board[TOUCHED_B] = ~b;
18641 while(*p == ' ') p++;
18645 if(nrCastlingRights) {
18647 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18648 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18649 /* castling indicator present, so default becomes no castlings */
18650 for(i=0; i<nrCastlingRights; i++ ) {
18651 board[CASTLING][i] = NoRights;
18654 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18655 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18656 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18657 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18658 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18660 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18661 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18662 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18664 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18665 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18666 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18667 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18668 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18669 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18672 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18673 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18674 board[CASTLING][2] = whiteKingFile;
18675 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18676 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18677 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18680 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18681 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18682 board[CASTLING][2] = whiteKingFile;
18683 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18684 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18685 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18688 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18689 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18690 board[CASTLING][5] = blackKingFile;
18691 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18692 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18693 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18696 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18697 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18698 board[CASTLING][5] = blackKingFile;
18699 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18700 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18701 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18704 default: /* FRC castlings */
18705 if(c >= 'a') { /* black rights */
18706 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18707 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18708 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18709 if(i == BOARD_RGHT) break;
18710 board[CASTLING][5] = i;
18712 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18713 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18715 board[CASTLING][3] = c;
18717 board[CASTLING][4] = c;
18718 } else { /* white rights */
18719 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18720 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18721 if(board[0][i] == WhiteKing) break;
18722 if(i == BOARD_RGHT) break;
18723 board[CASTLING][2] = i;
18724 c -= AAA - 'a' + 'A';
18725 if(board[0][c] >= WhiteKing) break;
18727 board[CASTLING][0] = c;
18729 board[CASTLING][1] = c;
18733 for(i=0; i<nrCastlingRights; i++)
18734 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18735 if(gameInfo.variant == VariantSChess)
18736 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18737 if(fischer && shuffle) appData.fischerCastling = TRUE;
18738 if (appData.debugMode) {
18739 fprintf(debugFP, "FEN castling rights:");
18740 for(i=0; i<nrCastlingRights; i++)
18741 fprintf(debugFP, " %d", board[CASTLING][i]);
18742 fprintf(debugFP, "\n");
18745 while(*p==' ') p++;
18748 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18750 /* read e.p. field in games that know e.p. capture */
18751 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18752 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18753 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18755 p++; board[EP_STATUS] = EP_NONE;
18757 char c = *p++ - AAA;
18759 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18760 if(*p >= '0' && *p <='9') p++;
18761 board[EP_STATUS] = c;
18766 if(sscanf(p, "%d", &i) == 1) {
18767 FENrulePlies = i; /* 50-move ply counter */
18768 /* (The move number is still ignored) */
18775 EditPositionPasteFEN (char *fen)
18778 Board initial_position;
18780 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18781 DisplayError(_("Bad FEN position in clipboard"), 0);
18784 int savedBlackPlaysFirst = blackPlaysFirst;
18785 EditPositionEvent();
18786 blackPlaysFirst = savedBlackPlaysFirst;
18787 CopyBoard(boards[0], initial_position);
18788 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18789 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18790 DisplayBothClocks();
18791 DrawPosition(FALSE, boards[currentMove]);
18796 static char cseq[12] = "\\ ";
18799 set_cont_sequence (char *new_seq)
18804 // handle bad attempts to set the sequence
18806 return 0; // acceptable error - no debug
18808 len = strlen(new_seq);
18809 ret = (len > 0) && (len < sizeof(cseq));
18811 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18812 else if (appData.debugMode)
18813 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18818 reformat a source message so words don't cross the width boundary. internal
18819 newlines are not removed. returns the wrapped size (no null character unless
18820 included in source message). If dest is NULL, only calculate the size required
18821 for the dest buffer. lp argument indicats line position upon entry, and it's
18822 passed back upon exit.
18825 wrap (char *dest, char *src, int count, int width, int *lp)
18827 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18829 cseq_len = strlen(cseq);
18830 old_line = line = *lp;
18831 ansi = len = clen = 0;
18833 for (i=0; i < count; i++)
18835 if (src[i] == '\033')
18838 // if we hit the width, back up
18839 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18841 // store i & len in case the word is too long
18842 old_i = i, old_len = len;
18844 // find the end of the last word
18845 while (i && src[i] != ' ' && src[i] != '\n')
18851 // word too long? restore i & len before splitting it
18852 if ((old_i-i+clen) >= width)
18859 if (i && src[i-1] == ' ')
18862 if (src[i] != ' ' && src[i] != '\n')
18869 // now append the newline and continuation sequence
18874 strncpy(dest+len, cseq, cseq_len);
18882 dest[len] = src[i];
18886 if (src[i] == '\n')
18891 if (dest && appData.debugMode)
18893 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18894 count, width, line, len, *lp);
18895 show_bytes(debugFP, src, count);
18896 fprintf(debugFP, "\ndest: ");
18897 show_bytes(debugFP, dest, len);
18898 fprintf(debugFP, "\n");
18900 *lp = dest ? line : old_line;
18905 // [HGM] vari: routines for shelving variations
18906 Boolean modeRestore = FALSE;
18909 PushInner (int firstMove, int lastMove)
18911 int i, j, nrMoves = lastMove - firstMove;
18913 // push current tail of game on stack
18914 savedResult[storedGames] = gameInfo.result;
18915 savedDetails[storedGames] = gameInfo.resultDetails;
18916 gameInfo.resultDetails = NULL;
18917 savedFirst[storedGames] = firstMove;
18918 savedLast [storedGames] = lastMove;
18919 savedFramePtr[storedGames] = framePtr;
18920 framePtr -= nrMoves; // reserve space for the boards
18921 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18922 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18923 for(j=0; j<MOVE_LEN; j++)
18924 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18925 for(j=0; j<2*MOVE_LEN; j++)
18926 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18927 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18928 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18929 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18930 pvInfoList[firstMove+i-1].depth = 0;
18931 commentList[framePtr+i] = commentList[firstMove+i];
18932 commentList[firstMove+i] = NULL;
18936 forwardMostMove = firstMove; // truncate game so we can start variation
18940 PushTail (int firstMove, int lastMove)
18942 if(appData.icsActive) { // only in local mode
18943 forwardMostMove = currentMove; // mimic old ICS behavior
18946 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18948 PushInner(firstMove, lastMove);
18949 if(storedGames == 1) GreyRevert(FALSE);
18950 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18954 PopInner (Boolean annotate)
18957 char buf[8000], moveBuf[20];
18959 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18960 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18961 nrMoves = savedLast[storedGames] - currentMove;
18964 if(!WhiteOnMove(currentMove))
18965 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18966 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18967 for(i=currentMove; i<forwardMostMove; i++) {
18969 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18970 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18971 strcat(buf, moveBuf);
18972 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18973 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18977 for(i=1; i<=nrMoves; i++) { // copy last variation back
18978 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18979 for(j=0; j<MOVE_LEN; j++)
18980 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18981 for(j=0; j<2*MOVE_LEN; j++)
18982 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18983 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18984 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18985 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18986 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18987 commentList[currentMove+i] = commentList[framePtr+i];
18988 commentList[framePtr+i] = NULL;
18990 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18991 framePtr = savedFramePtr[storedGames];
18992 gameInfo.result = savedResult[storedGames];
18993 if(gameInfo.resultDetails != NULL) {
18994 free(gameInfo.resultDetails);
18996 gameInfo.resultDetails = savedDetails[storedGames];
18997 forwardMostMove = currentMove + nrMoves;
19001 PopTail (Boolean annotate)
19003 if(appData.icsActive) return FALSE; // only in local mode
19004 if(!storedGames) return FALSE; // sanity
19005 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
19007 PopInner(annotate);
19008 if(currentMove < forwardMostMove) ForwardEvent(); else
19009 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
19011 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
19017 { // remove all shelved variations
19019 for(i=0; i<storedGames; i++) {
19020 if(savedDetails[i])
19021 free(savedDetails[i]);
19022 savedDetails[i] = NULL;
19024 for(i=framePtr; i<MAX_MOVES; i++) {
19025 if(commentList[i]) free(commentList[i]);
19026 commentList[i] = NULL;
19028 framePtr = MAX_MOVES-1;
19033 LoadVariation (int index, char *text)
19034 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
19035 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
19036 int level = 0, move;
19038 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
19039 // first find outermost bracketing variation
19040 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
19041 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
19042 if(*p == '{') wait = '}'; else
19043 if(*p == '[') wait = ']'; else
19044 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
19045 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
19047 if(*p == wait) wait = NULLCHAR; // closing ]} found
19050 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
19051 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
19052 end[1] = NULLCHAR; // clip off comment beyond variation
19053 ToNrEvent(currentMove-1);
19054 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
19055 // kludge: use ParsePV() to append variation to game
19056 move = currentMove;
19057 ParsePV(start, TRUE, TRUE);
19058 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
19059 ClearPremoveHighlights();
19061 ToNrEvent(currentMove+1);
19064 int transparency[2];
19069 #define BUF_SIZ (2*MSG_SIZ)
19070 char *p, *q, buf[BUF_SIZ];
19071 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
19072 snprintf(buf, BUF_SIZ, "-theme %s", engineLine);
19073 ParseArgsFromString(buf);
19074 ActivateTheme(TRUE); // also redo colors
19078 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
19081 q = appData.themeNames;
19082 snprintf(buf, BUF_SIZ, "\"%s\"", nickName);
19083 if(appData.useBitmaps) {
19084 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ubt true -lbtf \"%s\"",
19085 Shorten(appData.liteBackTextureFile));
19086 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -dbtf \"%s\" -lbtm %d -dbtm %d",
19087 Shorten(appData.darkBackTextureFile),
19088 appData.liteBackTextureMode,
19089 appData.darkBackTextureMode );
19091 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ubt false");
19093 if(!appData.useBitmaps || transparency[0]) {
19094 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -lsc %s", Col2Text(2) ); // lightSquareColor
19096 if(!appData.useBitmaps || transparency[1]) {
19097 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -dsc %s", Col2Text(3) ); // darkSquareColor
19099 if(appData.useBorder) {
19100 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ub true -border \"%s\"",
19103 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ub false");
19105 if(appData.useFont) {
19106 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
19107 appData.renderPiecesWithFont,
19108 appData.fontToPieceTable,
19109 Col2Text(9), // appData.fontBackColorWhite
19110 Col2Text(10) ); // appData.fontForeColorBlack
19112 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -upf false");
19113 if(appData.pieceDirectory[0]) {
19114 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -pid \"%s\"", Shorten(appData.pieceDirectory));
19115 if(appData.trueColors != 2) // 2 is a kludge to suppress this in WinBoard
19116 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -trueColors %s", appData.trueColors ? "true" : "false");
19118 if(!appData.pieceDirectory[0] || !appData.trueColors)
19119 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -wpc %s -bpc %s",
19120 Col2Text(0), // whitePieceColor
19121 Col2Text(1) ); // blackPieceColor
19123 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -hsc %s -phc %s\n",
19124 Col2Text(4), // highlightSquareColor
19125 Col2Text(5) ); // premoveHighlightColor
19126 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
19127 if(insert != q) insert[-1] = NULLCHAR;
19128 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
19131 ActivateTheme(FALSE);