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]);
7951 appData.animate = saveAnimate;
7952 if (appData.animate || appData.animateDragging) {
7953 /* Undo animation damage if needed */
7954 // DrawPosition(FALSE, NULL);
7959 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7960 { // front-end-free part taken out of PieceMenuPopup
7961 int whichMenu; int xSqr, ySqr;
7963 if(seekGraphUp) { // [HGM] seekgraph
7964 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7965 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7969 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7970 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7971 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7972 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7973 if(action == Press) {
7974 originalFlip = flipView;
7975 flipView = !flipView; // temporarily flip board to see game from partners perspective
7976 DrawPosition(TRUE, partnerBoard);
7977 DisplayMessage(partnerStatus, "");
7979 } else if(action == Release) {
7980 flipView = originalFlip;
7981 DrawPosition(TRUE, boards[currentMove]);
7987 xSqr = EventToSquare(x, BOARD_WIDTH);
7988 ySqr = EventToSquare(y, BOARD_HEIGHT);
7989 if (action == Release) {
7990 if(pieceSweep != EmptySquare) {
7991 EditPositionMenuEvent(pieceSweep, toX, toY);
7992 pieceSweep = EmptySquare;
7993 } else UnLoadPV(); // [HGM] pv
7995 if (action != Press) return -2; // return code to be ignored
7998 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
8000 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
8001 if (xSqr < 0 || ySqr < 0) return -1;
8002 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
8003 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
8004 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
8005 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
8009 if(!appData.icsEngineAnalyze) return -1;
8010 case IcsPlayingWhite:
8011 case IcsPlayingBlack:
8012 if(!appData.zippyPlay) goto noZip;
8015 case MachinePlaysWhite:
8016 case MachinePlaysBlack:
8017 case TwoMachinesPlay: // [HGM] pv: use for showing PV
8018 if (!appData.dropMenu) {
8020 return 2; // flag front-end to grab mouse events
8022 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
8023 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
8026 if (xSqr < 0 || ySqr < 0) return -1;
8027 if (!appData.dropMenu || appData.testLegality &&
8028 gameInfo.variant != VariantBughouse &&
8029 gameInfo.variant != VariantCrazyhouse) return -1;
8030 whichMenu = 1; // drop menu
8036 if (((*fromX = xSqr) < 0) ||
8037 ((*fromY = ySqr) < 0)) {
8038 *fromX = *fromY = -1;
8042 *fromX = BOARD_WIDTH - 1 - *fromX;
8044 *fromY = BOARD_HEIGHT - 1 - *fromY;
8050 Wheel (int dir, int x, int y)
8052 if(gameMode == EditPosition) {
8053 int xSqr = EventToSquare(x, BOARD_WIDTH);
8054 int ySqr = EventToSquare(y, BOARD_HEIGHT);
8055 if(ySqr < 0 || xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return;
8056 if(flipView) xSqr = BOARD_WIDTH - 1 - xSqr; else ySqr = BOARD_HEIGHT - 1 - ySqr;
8058 boards[currentMove][ySqr][xSqr] += dir;
8059 if((int) boards[currentMove][ySqr][xSqr] < WhitePawn) boards[currentMove][ySqr][xSqr] = BlackKing;
8060 if((int) boards[currentMove][ySqr][xSqr] > BlackKing) boards[currentMove][ySqr][xSqr] = WhitePawn;
8061 } while(PieceToChar(boards[currentMove][ySqr][xSqr]) == '.');
8062 DrawPosition(FALSE, boards[currentMove]);
8063 } else if(dir > 0) ForwardEvent(); else BackwardEvent();
8067 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
8069 // char * hint = lastHint;
8070 FrontEndProgramStats stats;
8072 stats.which = cps == &first ? 0 : 1;
8073 stats.depth = cpstats->depth;
8074 stats.nodes = cpstats->nodes;
8075 stats.score = cpstats->score;
8076 stats.time = cpstats->time;
8077 stats.pv = cpstats->movelist;
8078 stats.hint = lastHint;
8079 stats.an_move_index = 0;
8080 stats.an_move_count = 0;
8082 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
8083 stats.hint = cpstats->move_name;
8084 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
8085 stats.an_move_count = cpstats->nr_moves;
8088 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
8090 if( gameMode == AnalyzeMode && stats.pv && stats.pv[0]
8091 && appData.analysisBell && stats.time >= 100*appData.analysisBell ) RingBell();
8093 SetProgramStats( &stats );
8097 ClearEngineOutputPane (int which)
8099 static FrontEndProgramStats dummyStats;
8100 dummyStats.which = which;
8101 dummyStats.pv = "#";
8102 SetProgramStats( &dummyStats );
8105 #define MAXPLAYERS 500
8108 TourneyStandings (int display)
8110 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
8111 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
8112 char result, *p, *names[MAXPLAYERS];
8114 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
8115 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
8116 names[0] = p = strdup(appData.participants);
8117 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
8119 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
8121 while(result = appData.results[nr]) {
8122 color = Pairing(nr, nPlayers, &w, &b, &dummy);
8123 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
8124 wScore = bScore = 0;
8126 case '+': wScore = 2; break;
8127 case '-': bScore = 2; break;
8128 case '=': wScore = bScore = 1; break;
8130 case '*': return strdup("busy"); // tourney not finished
8138 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
8139 for(w=0; w<nPlayers; w++) {
8141 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
8142 ranking[w] = b; points[w] = bScore; score[b] = -2;
8144 p = malloc(nPlayers*34+1);
8145 for(w=0; w<nPlayers && w<display; w++)
8146 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
8152 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
8153 { // count all piece types
8155 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
8156 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
8157 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8160 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
8161 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
8162 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
8163 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
8164 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
8165 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
8170 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
8172 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
8173 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
8175 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
8176 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
8177 if(myPawns == 2 && nMine == 3) // KPP
8178 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
8179 if(myPawns == 1 && nMine == 2) // KP
8180 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8181 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
8182 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
8183 if(myPawns) return FALSE;
8184 if(pCnt[WhiteRook+side])
8185 return pCnt[BlackRook-side] ||
8186 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
8187 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
8188 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
8189 if(pCnt[WhiteCannon+side]) {
8190 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
8191 return majorDefense || pCnt[BlackAlfil-side] >= 2;
8193 if(pCnt[WhiteKnight+side])
8194 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8199 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
8201 VariantClass v = gameInfo.variant;
8203 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
8204 if(v == VariantShatranj) return TRUE; // always winnable through baring
8205 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
8206 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
8208 if(v == VariantXiangqi) {
8209 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
8211 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
8212 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
8213 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
8214 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
8215 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
8216 if(stale) // we have at least one last-rank P plus perhaps C
8217 return majors // KPKX
8218 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
8220 return pCnt[WhiteFerz+side] // KCAK
8221 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
8222 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
8223 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
8225 } else if(v == VariantKnightmate) {
8226 if(nMine == 1) return FALSE;
8227 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
8228 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
8229 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
8231 if(nMine == 1) return FALSE; // bare King
8232 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
8233 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
8234 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
8235 // by now we have King + 1 piece (or multiple Bishops on the same color)
8236 if(pCnt[WhiteKnight+side])
8237 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
8238 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
8239 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
8241 return (pCnt[BlackKnight-side]); // KBKN, KFKN
8242 if(pCnt[WhiteAlfil+side])
8243 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
8244 if(pCnt[WhiteWazir+side])
8245 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8252 CompareWithRights (Board b1, Board b2)
8255 if(!CompareBoards(b1, b2)) return FALSE;
8256 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8257 /* compare castling rights */
8258 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8259 rights++; /* King lost rights, while rook still had them */
8260 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8261 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8262 rights++; /* but at least one rook lost them */
8264 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8266 if( b1[CASTLING][5] != NoRights ) {
8267 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8274 Adjudicate (ChessProgramState *cps)
8275 { // [HGM] some adjudications useful with buggy engines
8276 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8277 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8278 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8279 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8280 int k, drop, count = 0; static int bare = 1;
8281 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8282 Boolean canAdjudicate = !appData.icsActive;
8284 // most tests only when we understand the game, i.e. legality-checking on
8285 if( appData.testLegality )
8286 { /* [HGM] Some more adjudications for obstinate engines */
8287 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+2], i;
8288 static int moveCount = 6;
8290 char *reason = NULL;
8292 /* Count what is on board. */
8293 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8295 /* Some material-based adjudications that have to be made before stalemate test */
8296 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8297 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8298 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8299 if(canAdjudicate && appData.checkMates) {
8301 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8302 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8303 "Xboard adjudication: King destroyed", GE_XBOARD );
8308 /* Bare King in Shatranj (loses) or Losers (wins) */
8309 if( nrW == 1 || nrB == 1) {
8310 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8311 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8312 if(canAdjudicate && appData.checkMates) {
8314 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8315 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8316 "Xboard adjudication: Bare king", GE_XBOARD );
8320 if( gameInfo.variant == VariantShatranj && --bare < 0)
8322 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8323 if(canAdjudicate && appData.checkMates) {
8324 /* but only adjudicate if adjudication enabled */
8326 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8327 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8328 "Xboard adjudication: Bare king", GE_XBOARD );
8335 // don't wait for engine to announce game end if we can judge ourselves
8336 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8338 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8339 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8340 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8341 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8344 reason = "Xboard adjudication: 3rd check";
8345 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8356 reason = "Xboard adjudication: Stalemate";
8357 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8358 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8359 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8360 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8361 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8362 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8363 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8364 EP_CHECKMATE : EP_WINS);
8365 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8366 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8370 reason = "Xboard adjudication: Checkmate";
8371 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8372 if(gameInfo.variant == VariantShogi) {
8373 if(forwardMostMove > backwardMostMove
8374 && moveList[forwardMostMove-1][1] == '@'
8375 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8376 reason = "XBoard adjudication: pawn-drop mate";
8377 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8383 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8385 result = GameIsDrawn; break;
8387 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8389 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8393 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8395 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8396 GameEnds( result, reason, GE_XBOARD );
8400 /* Next absolutely insufficient mating material. */
8401 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8402 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8403 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8405 /* always flag draws, for judging claims */
8406 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8408 if(canAdjudicate && appData.materialDraws) {
8409 /* but only adjudicate them if adjudication enabled */
8410 if(engineOpponent) {
8411 SendToProgram("force\n", engineOpponent); // suppress reply
8412 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8414 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8419 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8420 if(gameInfo.variant == VariantXiangqi ?
8421 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8423 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8424 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8425 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8426 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8428 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8429 { /* if the first 3 moves do not show a tactical win, declare draw */
8430 if(engineOpponent) {
8431 SendToProgram("force\n", engineOpponent); // suppress reply
8432 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8434 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8437 } else moveCount = 6;
8440 // Repetition draws and 50-move rule can be applied independently of legality testing
8442 /* Check for rep-draws */
8444 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8445 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8446 for(k = forwardMostMove-2;
8447 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8448 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8449 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8452 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8453 /* compare castling rights */
8454 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8455 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8456 rights++; /* King lost rights, while rook still had them */
8457 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8458 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8459 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8460 rights++; /* but at least one rook lost them */
8462 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8463 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8465 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8466 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8467 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8470 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8471 && appData.drawRepeats > 1) {
8472 /* adjudicate after user-specified nr of repeats */
8473 int result = GameIsDrawn;
8474 char *details = "XBoard adjudication: repetition draw";
8475 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8476 // [HGM] xiangqi: check for forbidden perpetuals
8477 int m, ourPerpetual = 1, hisPerpetual = 1;
8478 for(m=forwardMostMove; m>k; m-=2) {
8479 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8480 ourPerpetual = 0; // the current mover did not always check
8481 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8482 hisPerpetual = 0; // the opponent did not always check
8484 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8485 ourPerpetual, hisPerpetual);
8486 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8487 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8488 details = "Xboard adjudication: perpetual checking";
8490 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8491 break; // (or we would have caught him before). Abort repetition-checking loop.
8493 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8494 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8496 details = "Xboard adjudication: repetition";
8498 } else // it must be XQ
8499 // Now check for perpetual chases
8500 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8501 hisPerpetual = PerpetualChase(k, forwardMostMove);
8502 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8503 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8504 static char resdet[MSG_SIZ];
8505 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8507 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8509 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8510 break; // Abort repetition-checking loop.
8512 // if neither of us is checking or chasing all the time, or both are, it is draw
8514 if(engineOpponent) {
8515 SendToProgram("force\n", engineOpponent); // suppress reply
8516 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8518 GameEnds( result, details, GE_XBOARD );
8521 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8522 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8526 /* Now we test for 50-move draws. Determine ply count */
8527 count = forwardMostMove;
8528 /* look for last irreversble move */
8529 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8531 /* if we hit starting position, add initial plies */
8532 if( count == backwardMostMove )
8533 count -= initialRulePlies;
8534 count = forwardMostMove - count;
8535 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8536 // adjust reversible move counter for checks in Xiangqi
8537 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8538 if(i < backwardMostMove) i = backwardMostMove;
8539 while(i <= forwardMostMove) {
8540 lastCheck = inCheck; // check evasion does not count
8541 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8542 if(inCheck || lastCheck) count--; // check does not count
8547 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8548 /* this is used to judge if draw claims are legal */
8549 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8550 if(engineOpponent) {
8551 SendToProgram("force\n", engineOpponent); // suppress reply
8552 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8554 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8558 /* if draw offer is pending, treat it as a draw claim
8559 * when draw condition present, to allow engines a way to
8560 * claim draws before making their move to avoid a race
8561 * condition occurring after their move
8563 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8565 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8566 p = "Draw claim: 50-move rule";
8567 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8568 p = "Draw claim: 3-fold repetition";
8569 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8570 p = "Draw claim: insufficient mating material";
8571 if( p != NULL && canAdjudicate) {
8572 if(engineOpponent) {
8573 SendToProgram("force\n", engineOpponent); // suppress reply
8574 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8576 GameEnds( GameIsDrawn, p, GE_XBOARD );
8581 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8582 if(engineOpponent) {
8583 SendToProgram("force\n", engineOpponent); // suppress reply
8584 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8586 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8592 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8593 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8594 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8599 int pieces[10], squares[10], cnt=0, r, f, res;
8601 static PPROBE_EGBB probeBB;
8602 if(!appData.testLegality) return 10;
8603 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8604 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8605 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8606 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8607 ChessSquare piece = boards[forwardMostMove][r][f];
8608 int black = (piece >= BlackPawn);
8609 int type = piece - black*BlackPawn;
8610 if(piece == EmptySquare) continue;
8611 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8612 if(type == WhiteKing) type = WhiteQueen + 1;
8613 type = egbbCode[type];
8614 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8615 pieces[cnt] = type + black*6;
8616 if(++cnt > 5) return 11;
8618 pieces[cnt] = squares[cnt] = 0;
8620 if(loaded == 2) return 13; // loading failed before
8622 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8625 loaded = 2; // prepare for failure
8626 if(!path) return 13; // no egbb installed
8627 strncpy(buf, path + 8, MSG_SIZ);
8628 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8629 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8630 lib = LoadLibrary(buf);
8631 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8632 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8633 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8634 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8635 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8636 loaded = 1; // success!
8638 res = probeBB(forwardMostMove & 1, pieces, squares);
8639 return res > 0 ? 1 : res < 0 ? -1 : 0;
8643 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8644 { // [HGM] book: this routine intercepts moves to simulate book replies
8645 char *bookHit = NULL;
8647 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8649 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8650 SendToProgram(buf, cps);
8652 //first determine if the incoming move brings opponent into his book
8653 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8654 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8655 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8656 if(bookHit != NULL && !cps->bookSuspend) {
8657 // make sure opponent is not going to reply after receiving move to book position
8658 SendToProgram("force\n", cps);
8659 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8661 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8662 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8663 // now arrange restart after book miss
8665 // after a book hit we never send 'go', and the code after the call to this routine
8666 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8667 char buf[MSG_SIZ], *move = bookHit;
8669 int fromX, fromY, toX, toY;
8673 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8674 &fromX, &fromY, &toX, &toY, &promoChar)) {
8675 (void) CoordsToAlgebraic(boards[forwardMostMove],
8676 PosFlags(forwardMostMove),
8677 fromY, fromX, toY, toX, promoChar, move);
8679 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8683 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8684 SendToProgram(buf, cps);
8685 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8686 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8687 SendToProgram("go\n", cps);
8688 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8689 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8690 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8691 SendToProgram("go\n", cps);
8692 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8694 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8698 LoadError (char *errmess, ChessProgramState *cps)
8699 { // unloads engine and switches back to -ncp mode if it was first
8700 if(cps->initDone) return FALSE;
8701 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8702 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8705 appData.noChessProgram = TRUE;
8706 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8707 gameMode = BeginningOfGame; ModeHighlight();
8710 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8711 DisplayMessage("", ""); // erase waiting message
8712 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8717 ChessProgramState *savedState;
8719 DeferredBookMove (void)
8721 if(savedState->lastPing != savedState->lastPong)
8722 ScheduleDelayedEvent(DeferredBookMove, 10);
8724 HandleMachineMove(savedMessage, savedState);
8727 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8728 static ChessProgramState *stalledEngine;
8729 static char stashedInputMove[MSG_SIZ], abortEngineThink;
8732 HandleMachineMove (char *message, ChessProgramState *cps)
8734 static char firstLeg[20], legs;
8735 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8736 char realname[MSG_SIZ];
8737 int fromX, fromY, toX, toY;
8739 char promoChar, roar;
8744 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8745 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8746 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8747 DisplayError(_("Invalid pairing from pairing engine"), 0);
8750 pairingReceived = 1;
8752 return; // Skim the pairing messages here.
8755 oldError = cps->userError; cps->userError = 0;
8757 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8759 * Kludge to ignore BEL characters
8761 while (*message == '\007') message++;
8764 * [HGM] engine debug message: ignore lines starting with '#' character
8766 if(cps->debug && *message == '#') return;
8769 * Look for book output
8771 if (cps == &first && bookRequested) {
8772 if (message[0] == '\t' || message[0] == ' ') {
8773 /* Part of the book output is here; append it */
8774 strcat(bookOutput, message);
8775 strcat(bookOutput, " \n");
8777 } else if (bookOutput[0] != NULLCHAR) {
8778 /* All of book output has arrived; display it */
8779 char *p = bookOutput;
8780 while (*p != NULLCHAR) {
8781 if (*p == '\t') *p = ' ';
8784 DisplayInformation(bookOutput);
8785 bookRequested = FALSE;
8786 /* Fall through to parse the current output */
8791 * Look for machine move.
8793 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8794 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8796 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8797 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8798 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8799 stalledEngine = cps;
8800 if(appData.ponderNextMove) { // bring opponent out of ponder
8801 if(gameMode == TwoMachinesPlay) {
8802 if(cps->other->pause)
8803 PauseEngine(cps->other);
8805 SendToProgram("easy\n", cps->other);
8814 /* This method is only useful on engines that support ping */
8815 if(abortEngineThink) {
8816 if (appData.debugMode) {
8817 fprintf(debugFP, "Undoing move from aborted think of %s\n", cps->which);
8819 SendToProgram("undo\n", cps);
8823 if (cps->lastPing != cps->lastPong) {
8824 /* Extra move from before last new; ignore */
8825 if (appData.debugMode) {
8826 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8833 int machineWhite = FALSE;
8836 case BeginningOfGame:
8837 /* Extra move from before last reset; ignore */
8838 if (appData.debugMode) {
8839 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8846 /* Extra move after we tried to stop. The mode test is
8847 not a reliable way of detecting this problem, but it's
8848 the best we can do on engines that don't support ping.
8850 if (appData.debugMode) {
8851 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8852 cps->which, gameMode);
8854 SendToProgram("undo\n", cps);
8857 case MachinePlaysWhite:
8858 case IcsPlayingWhite:
8859 machineWhite = TRUE;
8862 case MachinePlaysBlack:
8863 case IcsPlayingBlack:
8864 machineWhite = FALSE;
8867 case TwoMachinesPlay:
8868 machineWhite = (cps->twoMachinesColor[0] == 'w');
8871 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8872 if (appData.debugMode) {
8874 "Ignoring move out of turn by %s, gameMode %d"
8875 ", forwardMost %d\n",
8876 cps->which, gameMode, forwardMostMove);
8882 if(cps->alphaRank) AlphaRank(machineMove, 4);
8884 // [HGM] lion: (some very limited) support for Alien protocol
8885 killX = killY = kill2X = kill2Y = -1;
8886 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8887 if(legs++) return; // middle leg contains only redundant info, ignore (but count it)
8888 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8891 if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move)
8892 char *q = strchr(p+1, ','); // second comma?
8893 safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off
8894 if(q) legs = 2, p = q; else legs = 1; // with 3-leg move we clipof first two legs!
8895 safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20);
8897 if(firstLeg[0]) { // there was a previous leg;
8898 // only support case where same piece makes two step
8899 char buf[20], *p = machineMove+1, *q = buf+1, f;
8900 safeStrCpy(buf, machineMove, 20);
8901 while(isdigit(*q)) q++; // find start of to-square
8902 safeStrCpy(machineMove, firstLeg, 20);
8903 while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove)
8904 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
8905 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)
8906 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8907 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8908 firstLeg[0] = NULLCHAR; legs = 0;
8911 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8912 &fromX, &fromY, &toX, &toY, &promoChar)) {
8913 /* Machine move could not be parsed; ignore it. */
8914 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8915 machineMove, _(cps->which));
8916 DisplayMoveError(buf1);
8917 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d",
8918 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType);
8919 if (gameMode == TwoMachinesPlay) {
8920 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8926 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8927 /* So we have to redo legality test with true e.p. status here, */
8928 /* to make sure an illegal e.p. capture does not slip through, */
8929 /* to cause a forfeit on a justified illegal-move complaint */
8930 /* of the opponent. */
8931 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8933 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8934 fromY, fromX, toY, toX, promoChar);
8935 if(moveType == IllegalMove) {
8936 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8937 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8938 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8941 } else if(!appData.fischerCastling)
8942 /* [HGM] Kludge to handle engines that send FRC-style castling
8943 when they shouldn't (like TSCP-Gothic) */
8945 case WhiteASideCastleFR:
8946 case BlackASideCastleFR:
8948 currentMoveString[2]++;
8950 case WhiteHSideCastleFR:
8951 case BlackHSideCastleFR:
8953 currentMoveString[2]--;
8955 default: ; // nothing to do, but suppresses warning of pedantic compilers
8958 hintRequested = FALSE;
8959 lastHint[0] = NULLCHAR;
8960 bookRequested = FALSE;
8961 /* Program may be pondering now */
8962 cps->maybeThinking = TRUE;
8963 if (cps->sendTime == 2) cps->sendTime = 1;
8964 if (cps->offeredDraw) cps->offeredDraw--;
8966 /* [AS] Save move info*/
8967 pvInfoList[ forwardMostMove ].score = programStats.score;
8968 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8969 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8971 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8973 /* Test suites abort the 'game' after one move */
8974 if(*appData.finger) {
8976 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8977 if(!f) f = fopen(appData.finger, "w");
8978 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8979 else { DisplayFatalError("Bad output file", errno, 0); return; }
8981 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8984 if(solvingTime >= 0) {
8985 snprintf(buf1, MSG_SIZ, "%d. %4.2fs: %s ", matchGame, solvingTime/100., parseList[backwardMostMove]);
8986 totalTime += solvingTime; first.matchWins++; solvingTime = -1;
8988 snprintf(buf1, MSG_SIZ, "%d. %s?%s ", matchGame, parseList[backwardMostMove], solvingTime == -2 ? " ???" : "");
8989 if(solvingTime == -2) second.matchWins++;
8991 OutputKibitz(2, buf1);
8992 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8995 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8996 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8999 while( count < adjudicateLossPlies ) {
9000 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
9003 score = -score; /* Flip score for winning side */
9006 if( score > appData.adjudicateLossThreshold ) {
9013 if( count >= adjudicateLossPlies ) {
9014 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9016 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
9017 "Xboard adjudication",
9024 if(Adjudicate(cps)) {
9025 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9026 return; // [HGM] adjudicate: for all automatic game ends
9030 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
9032 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
9033 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
9035 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9037 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9039 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
9040 char buf[3*MSG_SIZ];
9042 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
9043 programStats.score / 100.,
9045 programStats.time / 100.,
9046 (unsigned int)programStats.nodes,
9047 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
9048 programStats.movelist);
9054 /* [AS] Clear stats for next move */
9055 ClearProgramStats();
9056 thinkOutput[0] = NULLCHAR;
9057 hiddenThinkOutputState = 0;
9060 if (gameMode == TwoMachinesPlay) {
9061 /* [HGM] relaying draw offers moved to after reception of move */
9062 /* and interpreting offer as claim if it brings draw condition */
9063 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
9064 SendToProgram("draw\n", cps->other);
9066 if (cps->other->sendTime) {
9067 SendTimeRemaining(cps->other,
9068 cps->other->twoMachinesColor[0] == 'w');
9070 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
9071 if (firstMove && !bookHit) {
9073 if (cps->other->useColors) {
9074 SendToProgram(cps->other->twoMachinesColor, cps->other);
9076 SendToProgram("go\n", cps->other);
9078 cps->other->maybeThinking = TRUE;
9081 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
9083 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9085 if (!pausing && appData.ringBellAfterMoves) {
9086 if(!roar) RingBell();
9090 * Reenable menu items that were disabled while
9091 * machine was thinking
9093 if (gameMode != TwoMachinesPlay)
9094 SetUserThinkingEnables();
9096 // [HGM] book: after book hit opponent has received move and is now in force mode
9097 // force the book reply into it, and then fake that it outputted this move by jumping
9098 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
9100 static char bookMove[MSG_SIZ]; // a bit generous?
9102 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
9103 strcat(bookMove, bookHit);
9106 programStats.nodes = programStats.depth = programStats.time =
9107 programStats.score = programStats.got_only_move = 0;
9108 sprintf(programStats.movelist, "%s (xbook)", bookHit);
9110 if(cps->lastPing != cps->lastPong) {
9111 savedMessage = message; // args for deferred call
9113 ScheduleDelayedEvent(DeferredBookMove, 10);
9122 /* Set special modes for chess engines. Later something general
9123 * could be added here; for now there is just one kludge feature,
9124 * needed because Crafty 15.10 and earlier don't ignore SIGINT
9125 * when "xboard" is given as an interactive command.
9127 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
9128 cps->useSigint = FALSE;
9129 cps->useSigterm = FALSE;
9131 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
9132 ParseFeatures(message+8, cps);
9133 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
9136 if (!strncmp(message, "setup ", 6) &&
9137 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
9138 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
9139 ) { // [HGM] allow first engine to define opening position
9140 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
9141 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
9143 if(sscanf(message, "setup (%s", buf) == 1) {
9144 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES);
9145 ASSIGN(appData.pieceToCharTable, buf);
9147 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
9149 while(message[s] && message[s++] != ' ');
9150 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
9151 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
9152 if(hand <= h) deadRanks = 0; else deadRanks = hand - h, h = hand; // adapt board to over-sized holdings
9153 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
9154 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
9155 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
9156 if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition
9157 startedFromSetupPosition = FALSE;
9160 if(startedFromSetupPosition) return;
9161 ParseFEN(boards[0], &dummy, message+s, FALSE);
9162 DrawPosition(TRUE, boards[0]);
9163 CopyBoard(initialPosition, boards[0]);
9164 startedFromSetupPosition = TRUE;
9167 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
9168 ChessSquare piece = WhitePawn;
9169 char *p=message+6, *q, *s = SUFFIXES, ID = *p, promoted = 0;
9170 if(*p == '+') promoted++, ID = *++p;
9171 if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
9172 piece = CharToPiece(ID & 255); if(promoted) piece = CHUPROMOTED(piece);
9173 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
9174 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
9175 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
9176 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
9177 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
9178 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
9179 && gameInfo.variant != VariantGreat
9180 && gameInfo.variant != VariantFairy ) return;
9181 if(piece < EmptySquare) {
9183 ASSIGN(pieceDesc[piece], buf1);
9184 if((ID & 32) == 0 && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
9188 if(!appData.testLegality && sscanf(message, "choice %s", promoRestrict) == 1) {
9190 LeftClick(Press, 0, 0); // finish the click that was interrupted
9191 } else if(promoSweep != EmptySquare) {
9192 promoSweep = CharToPiece(currentMove&1 ? ToLower(*promoRestrict) : ToUpper(*promoRestrict));
9193 if(strlen(promoRestrict) > 1) Sweep(0);
9197 /* [HGM] Allow engine to set up a position. Don't ask me why one would
9198 * want this, I was asked to put it in, and obliged.
9200 if (!strncmp(message, "setboard ", 9)) {
9201 Board initial_position;
9203 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
9205 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
9206 DisplayError(_("Bad FEN received from engine"), 0);
9210 CopyBoard(boards[0], initial_position);
9211 initialRulePlies = FENrulePlies;
9212 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
9213 else gameMode = MachinePlaysBlack;
9214 DrawPosition(FALSE, boards[currentMove]);
9220 * Look for communication commands
9222 if (!strncmp(message, "telluser ", 9)) {
9223 if(message[9] == '\\' && message[10] == '\\')
9224 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
9226 DisplayNote(message + 9);
9229 if (!strncmp(message, "tellusererror ", 14)) {
9231 if(message[14] == '\\' && message[15] == '\\')
9232 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
9234 DisplayError(message + 14, 0);
9237 if (!strncmp(message, "tellopponent ", 13)) {
9238 if (appData.icsActive) {
9240 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
9244 DisplayNote(message + 13);
9248 if (!strncmp(message, "tellothers ", 11)) {
9249 if (appData.icsActive) {
9251 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
9254 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
9257 if (!strncmp(message, "tellall ", 8)) {
9258 if (appData.icsActive) {
9260 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
9264 DisplayNote(message + 8);
9268 if (strncmp(message, "warning", 7) == 0) {
9269 /* Undocumented feature, use tellusererror in new code */
9270 DisplayError(message, 0);
9273 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
9274 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
9275 strcat(realname, " query");
9276 AskQuestion(realname, buf2, buf1, cps->pr);
9279 /* Commands from the engine directly to ICS. We don't allow these to be
9280 * sent until we are logged on. Crafty kibitzes have been known to
9281 * interfere with the login process.
9284 if (!strncmp(message, "tellics ", 8)) {
9285 SendToICS(message + 8);
9289 if (!strncmp(message, "tellicsnoalias ", 15)) {
9290 SendToICS(ics_prefix);
9291 SendToICS(message + 15);
9295 /* The following are for backward compatibility only */
9296 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9297 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9298 SendToICS(ics_prefix);
9304 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9305 if(initPing == cps->lastPong) {
9306 if(gameInfo.variant == VariantUnknown) {
9307 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9308 *engineVariant = NULLCHAR; ASSIGN(appData.variant, "normal"); // back to normal as error recovery?
9309 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9313 if(cps->lastPing == cps->lastPong && abortEngineThink) {
9314 abortEngineThink = FALSE;
9315 DisplayMessage("", "");
9320 if(!strncmp(message, "highlight ", 10)) {
9321 if(appData.testLegality && !*engineVariant && appData.markers) return;
9322 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9325 if(!strncmp(message, "click ", 6)) {
9326 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9327 if(appData.testLegality || !appData.oneClick) return;
9328 sscanf(message+6, "%c%d%c", &f, &y, &c);
9329 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9330 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9331 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9332 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9333 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9334 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9335 LeftClick(Release, lastLeftX, lastLeftY);
9336 controlKey = (c == ',');
9337 LeftClick(Press, x, y);
9338 LeftClick(Release, x, y);
9339 first.highlight = f;
9343 * If the move is illegal, cancel it and redraw the board.
9344 * Also deal with other error cases. Matching is rather loose
9345 * here to accommodate engines written before the spec.
9347 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9348 strncmp(message, "Error", 5) == 0) {
9349 if (StrStr(message, "name") ||
9350 StrStr(message, "rating") || StrStr(message, "?") ||
9351 StrStr(message, "result") || StrStr(message, "board") ||
9352 StrStr(message, "bk") || StrStr(message, "computer") ||
9353 StrStr(message, "variant") || StrStr(message, "hint") ||
9354 StrStr(message, "random") || StrStr(message, "depth") ||
9355 StrStr(message, "accepted")) {
9358 if (StrStr(message, "protover")) {
9359 /* Program is responding to input, so it's apparently done
9360 initializing, and this error message indicates it is
9361 protocol version 1. So we don't need to wait any longer
9362 for it to initialize and send feature commands. */
9363 FeatureDone(cps, 1);
9364 cps->protocolVersion = 1;
9367 cps->maybeThinking = FALSE;
9369 if (StrStr(message, "draw")) {
9370 /* Program doesn't have "draw" command */
9371 cps->sendDrawOffers = 0;
9374 if (cps->sendTime != 1 &&
9375 (StrStr(message, "time") || StrStr(message, "otim"))) {
9376 /* Program apparently doesn't have "time" or "otim" command */
9380 if (StrStr(message, "analyze")) {
9381 cps->analysisSupport = FALSE;
9382 cps->analyzing = FALSE;
9383 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9384 EditGameEvent(); // [HGM] try to preserve loaded game
9385 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9386 DisplayError(buf2, 0);
9389 if (StrStr(message, "(no matching move)st")) {
9390 /* Special kludge for GNU Chess 4 only */
9391 cps->stKludge = TRUE;
9392 SendTimeControl(cps, movesPerSession, timeControl,
9393 timeIncrement, appData.searchDepth,
9397 if (StrStr(message, "(no matching move)sd")) {
9398 /* Special kludge for GNU Chess 4 only */
9399 cps->sdKludge = TRUE;
9400 SendTimeControl(cps, movesPerSession, timeControl,
9401 timeIncrement, appData.searchDepth,
9405 if (!StrStr(message, "llegal")) {
9408 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9409 gameMode == IcsIdle) return;
9410 if (forwardMostMove <= backwardMostMove) return;
9411 if (pausing) PauseEvent();
9412 if(appData.forceIllegal) {
9413 // [HGM] illegal: machine refused move; force position after move into it
9414 SendToProgram("force\n", cps);
9415 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9416 // we have a real problem now, as SendBoard will use the a2a3 kludge
9417 // when black is to move, while there might be nothing on a2 or black
9418 // might already have the move. So send the board as if white has the move.
9419 // But first we must change the stm of the engine, as it refused the last move
9420 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9421 if(WhiteOnMove(forwardMostMove)) {
9422 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9423 SendBoard(cps, forwardMostMove); // kludgeless board
9425 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9426 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9427 SendBoard(cps, forwardMostMove+1); // kludgeless board
9429 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9430 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9431 gameMode == TwoMachinesPlay)
9432 SendToProgram("go\n", cps);
9435 if (gameMode == PlayFromGameFile) {
9436 /* Stop reading this game file */
9437 gameMode = EditGame;
9440 /* [HGM] illegal-move claim should forfeit game when Xboard */
9441 /* only passes fully legal moves */
9442 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9443 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9444 "False illegal-move claim", GE_XBOARD );
9445 return; // do not take back move we tested as valid
9447 currentMove = forwardMostMove-1;
9448 DisplayMove(currentMove-1); /* before DisplayMoveError */
9449 SwitchClocks(forwardMostMove-1); // [HGM] race
9450 DisplayBothClocks();
9451 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9452 parseList[currentMove], _(cps->which));
9453 DisplayMoveError(buf1);
9454 DrawPosition(FALSE, boards[currentMove]);
9456 SetUserThinkingEnables();
9459 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9460 /* Program has a broken "time" command that
9461 outputs a string not ending in newline.
9465 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9466 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9467 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9471 * If chess program startup fails, exit with an error message.
9472 * Attempts to recover here are futile. [HGM] Well, we try anyway
9474 if ((StrStr(message, "unknown host") != NULL)
9475 || (StrStr(message, "No remote directory") != NULL)
9476 || (StrStr(message, "not found") != NULL)
9477 || (StrStr(message, "No such file") != NULL)
9478 || (StrStr(message, "can't alloc") != NULL)
9479 || (StrStr(message, "Permission denied") != NULL)) {
9481 cps->maybeThinking = FALSE;
9482 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9483 _(cps->which), cps->program, cps->host, message);
9484 RemoveInputSource(cps->isr);
9485 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9486 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9487 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9493 * Look for hint output
9495 if (sscanf(message, "Hint: %s", buf1) == 1) {
9496 if (cps == &first && hintRequested) {
9497 hintRequested = FALSE;
9498 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9499 &fromX, &fromY, &toX, &toY, &promoChar)) {
9500 (void) CoordsToAlgebraic(boards[forwardMostMove],
9501 PosFlags(forwardMostMove),
9502 fromY, fromX, toY, toX, promoChar, buf1);
9503 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9504 DisplayInformation(buf2);
9506 /* Hint move could not be parsed!? */
9507 snprintf(buf2, sizeof(buf2),
9508 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9509 buf1, _(cps->which));
9510 DisplayError(buf2, 0);
9513 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9519 * Ignore other messages if game is not in progress
9521 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9522 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9525 * look for win, lose, draw, or draw offer
9527 if (strncmp(message, "1-0", 3) == 0) {
9528 char *p, *q, *r = "";
9529 p = strchr(message, '{');
9537 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9539 } else if (strncmp(message, "0-1", 3) == 0) {
9540 char *p, *q, *r = "";
9541 p = strchr(message, '{');
9549 /* Kludge for Arasan 4.1 bug */
9550 if (strcmp(r, "Black resigns") == 0) {
9551 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9554 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9556 } else if (strncmp(message, "1/2", 3) == 0) {
9557 char *p, *q, *r = "";
9558 p = strchr(message, '{');
9567 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9570 } else if (strncmp(message, "White resign", 12) == 0) {
9571 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9573 } else if (strncmp(message, "Black resign", 12) == 0) {
9574 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9576 } else if (strncmp(message, "White matches", 13) == 0 ||
9577 strncmp(message, "Black matches", 13) == 0 ) {
9578 /* [HGM] ignore GNUShogi noises */
9580 } else if (strncmp(message, "White", 5) == 0 &&
9581 message[5] != '(' &&
9582 StrStr(message, "Black") == NULL) {
9583 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9585 } else if (strncmp(message, "Black", 5) == 0 &&
9586 message[5] != '(') {
9587 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9589 } else if (strcmp(message, "resign") == 0 ||
9590 strcmp(message, "computer resigns") == 0) {
9592 case MachinePlaysBlack:
9593 case IcsPlayingBlack:
9594 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9596 case MachinePlaysWhite:
9597 case IcsPlayingWhite:
9598 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9600 case TwoMachinesPlay:
9601 if (cps->twoMachinesColor[0] == 'w')
9602 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9604 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9611 } else if (strncmp(message, "opponent mates", 14) == 0) {
9613 case MachinePlaysBlack:
9614 case IcsPlayingBlack:
9615 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9617 case MachinePlaysWhite:
9618 case IcsPlayingWhite:
9619 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9621 case TwoMachinesPlay:
9622 if (cps->twoMachinesColor[0] == 'w')
9623 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9625 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9632 } else if (strncmp(message, "computer mates", 14) == 0) {
9634 case MachinePlaysBlack:
9635 case IcsPlayingBlack:
9636 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9638 case MachinePlaysWhite:
9639 case IcsPlayingWhite:
9640 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9642 case TwoMachinesPlay:
9643 if (cps->twoMachinesColor[0] == 'w')
9644 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9646 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9653 } else if (strncmp(message, "checkmate", 9) == 0) {
9654 if (WhiteOnMove(forwardMostMove)) {
9655 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9657 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9660 } else if (strstr(message, "Draw") != NULL ||
9661 strstr(message, "game is a draw") != NULL) {
9662 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9664 } else if (strstr(message, "offer") != NULL &&
9665 strstr(message, "draw") != NULL) {
9667 if (appData.zippyPlay && first.initDone) {
9668 /* Relay offer to ICS */
9669 SendToICS(ics_prefix);
9670 SendToICS("draw\n");
9673 cps->offeredDraw = 2; /* valid until this engine moves twice */
9674 if (gameMode == TwoMachinesPlay) {
9675 if (cps->other->offeredDraw) {
9676 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9677 /* [HGM] in two-machine mode we delay relaying draw offer */
9678 /* until after we also have move, to see if it is really claim */
9680 } else if (gameMode == MachinePlaysWhite ||
9681 gameMode == MachinePlaysBlack) {
9682 if (userOfferedDraw) {
9683 DisplayInformation(_("Machine accepts your draw offer"));
9684 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9686 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9693 * Look for thinking output
9695 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9696 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9698 int plylev, mvleft, mvtot, curscore, time;
9699 char mvname[MOVE_LEN];
9703 int prefixHint = FALSE;
9704 mvname[0] = NULLCHAR;
9707 case MachinePlaysBlack:
9708 case IcsPlayingBlack:
9709 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9711 case MachinePlaysWhite:
9712 case IcsPlayingWhite:
9713 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9718 case IcsObserving: /* [DM] icsEngineAnalyze */
9719 if (!appData.icsEngineAnalyze) ignore = TRUE;
9721 case TwoMachinesPlay:
9722 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9732 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9735 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9736 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9737 char score_buf[MSG_SIZ];
9739 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9740 nodes += u64Const(0x100000000);
9742 if (plyext != ' ' && plyext != '\t') {
9746 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9747 if( cps->scoreIsAbsolute &&
9748 ( gameMode == MachinePlaysBlack ||
9749 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9750 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9751 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9752 !WhiteOnMove(currentMove)
9755 curscore = -curscore;
9758 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9760 if(*bestMove) { // rememer time best EPD move was first found
9761 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9762 ChessMove mt; char *p = bestMove;
9763 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9765 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9766 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9767 solvingTime = (solvingTime < 0 ? time : solvingTime);
9771 while(*p && *p != ' ') p++;
9772 while(*p == ' ') p++;
9774 if(!solved) solvingTime = -1;
9776 if(*avoidMove && !solved) {
9777 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9778 ChessMove mt; char *p = avoidMove, solved = 1;
9779 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9780 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9781 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9782 solved = 0; solvingTime = -2;
9785 while(*p && *p != ' ') p++;
9786 while(*p == ' ') p++;
9788 if(solved && !*bestMove) solvingTime = (solvingTime < 0 ? time : solvingTime);
9791 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9794 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9795 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9796 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9797 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9798 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9799 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9803 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9804 DisplayError(_("failed writing PV"), 0);
9807 tempStats.depth = plylev;
9808 tempStats.nodes = nodes;
9809 tempStats.time = time;
9810 tempStats.score = curscore;
9811 tempStats.got_only_move = 0;
9813 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9816 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9817 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9818 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9819 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9820 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9821 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9822 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9823 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9826 /* Buffer overflow protection */
9827 if (pv[0] != NULLCHAR) {
9828 if (strlen(pv) >= sizeof(tempStats.movelist)
9829 && appData.debugMode) {
9831 "PV is too long; using the first %u bytes.\n",
9832 (unsigned) sizeof(tempStats.movelist) - 1);
9835 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9837 sprintf(tempStats.movelist, " no PV\n");
9840 if (tempStats.seen_stat) {
9841 tempStats.ok_to_send = 1;
9844 if (strchr(tempStats.movelist, '(') != NULL) {
9845 tempStats.line_is_book = 1;
9846 tempStats.nr_moves = 0;
9847 tempStats.moves_left = 0;
9849 tempStats.line_is_book = 0;
9852 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9853 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9855 SendProgramStatsToFrontend( cps, &tempStats );
9858 [AS] Protect the thinkOutput buffer from overflow... this
9859 is only useful if buf1 hasn't overflowed first!
9861 if((gameMode == AnalyzeMode && appData.whitePOV || appData.scoreWhite) && !WhiteOnMove(forwardMostMove)) curscore *= -1;
9862 if(curscore >= MATE_SCORE)
9863 snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
9864 else if(curscore <= -MATE_SCORE)
9865 snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
9867 snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
9868 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
9870 (gameMode == TwoMachinesPlay ?
9871 ToUpper(cps->twoMachinesColor[0]) : ' '),
9873 prefixHint ? lastHint : "",
9874 prefixHint ? " " : "" );
9876 if( buf1[0] != NULLCHAR ) {
9877 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9879 if( strlen(pv) > max_len ) {
9880 if( appData.debugMode) {
9881 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9883 pv[max_len+1] = '\0';
9886 strcat( thinkOutput, pv);
9889 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9890 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9891 DisplayMove(currentMove - 1);
9895 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9896 /* crafty (9.25+) says "(only move) <move>"
9897 * if there is only 1 legal move
9899 sscanf(p, "(only move) %s", buf1);
9900 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9901 sprintf(programStats.movelist, "%s (only move)", buf1);
9902 programStats.depth = 1;
9903 programStats.nr_moves = 1;
9904 programStats.moves_left = 1;
9905 programStats.nodes = 1;
9906 programStats.time = 1;
9907 programStats.got_only_move = 1;
9909 /* Not really, but we also use this member to
9910 mean "line isn't going to change" (Crafty
9911 isn't searching, so stats won't change) */
9912 programStats.line_is_book = 1;
9914 SendProgramStatsToFrontend( cps, &programStats );
9916 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9917 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9918 DisplayMove(currentMove - 1);
9921 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9922 &time, &nodes, &plylev, &mvleft,
9923 &mvtot, mvname) >= 5) {
9924 /* The stat01: line is from Crafty (9.29+) in response
9925 to the "." command */
9926 programStats.seen_stat = 1;
9927 cps->maybeThinking = TRUE;
9929 if (programStats.got_only_move || !appData.periodicUpdates)
9932 programStats.depth = plylev;
9933 programStats.time = time;
9934 programStats.nodes = nodes;
9935 programStats.moves_left = mvleft;
9936 programStats.nr_moves = mvtot;
9937 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9938 programStats.ok_to_send = 1;
9939 programStats.movelist[0] = '\0';
9941 SendProgramStatsToFrontend( cps, &programStats );
9945 } else if (strncmp(message,"++",2) == 0) {
9946 /* Crafty 9.29+ outputs this */
9947 programStats.got_fail = 2;
9950 } else if (strncmp(message,"--",2) == 0) {
9951 /* Crafty 9.29+ outputs this */
9952 programStats.got_fail = 1;
9955 } else if (thinkOutput[0] != NULLCHAR &&
9956 strncmp(message, " ", 4) == 0) {
9957 unsigned message_len;
9960 while (*p && *p == ' ') p++;
9962 message_len = strlen( p );
9964 /* [AS] Avoid buffer overflow */
9965 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9966 strcat(thinkOutput, " ");
9967 strcat(thinkOutput, p);
9970 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9971 strcat(programStats.movelist, " ");
9972 strcat(programStats.movelist, p);
9975 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9976 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9977 DisplayMove(currentMove - 1);
9985 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9986 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9988 ChessProgramStats cpstats;
9990 if (plyext != ' ' && plyext != '\t') {
9994 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9995 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9996 curscore = -curscore;
9999 cpstats.depth = plylev;
10000 cpstats.nodes = nodes;
10001 cpstats.time = time;
10002 cpstats.score = curscore;
10003 cpstats.got_only_move = 0;
10004 cpstats.movelist[0] = '\0';
10006 if (buf1[0] != NULLCHAR) {
10007 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
10010 cpstats.ok_to_send = 0;
10011 cpstats.line_is_book = 0;
10012 cpstats.nr_moves = 0;
10013 cpstats.moves_left = 0;
10015 SendProgramStatsToFrontend( cps, &cpstats );
10022 /* Parse a game score from the character string "game", and
10023 record it as the history of the current game. The game
10024 score is NOT assumed to start from the standard position.
10025 The display is not updated in any way.
10028 ParseGameHistory (char *game)
10030 ChessMove moveType;
10031 int fromX, fromY, toX, toY, boardIndex;
10036 if (appData.debugMode)
10037 fprintf(debugFP, "Parsing game history: %s\n", game);
10039 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
10040 gameInfo.site = StrSave(appData.icsHost);
10041 gameInfo.date = PGNDate();
10042 gameInfo.round = StrSave("-");
10044 /* Parse out names of players */
10045 while (*game == ' ') game++;
10047 while (*game != ' ') *p++ = *game++;
10049 gameInfo.white = StrSave(buf);
10050 while (*game == ' ') game++;
10052 while (*game != ' ' && *game != '\n') *p++ = *game++;
10054 gameInfo.black = StrSave(buf);
10057 boardIndex = blackPlaysFirst ? 1 : 0;
10060 yyboardindex = boardIndex;
10061 moveType = (ChessMove) Myylex();
10062 switch (moveType) {
10063 case IllegalMove: /* maybe suicide chess, etc. */
10064 if (appData.debugMode) {
10065 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
10066 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10067 setbuf(debugFP, NULL);
10069 case WhitePromotion:
10070 case BlackPromotion:
10071 case WhiteNonPromotion:
10072 case BlackNonPromotion:
10075 case WhiteCapturesEnPassant:
10076 case BlackCapturesEnPassant:
10077 case WhiteKingSideCastle:
10078 case WhiteQueenSideCastle:
10079 case BlackKingSideCastle:
10080 case BlackQueenSideCastle:
10081 case WhiteKingSideCastleWild:
10082 case WhiteQueenSideCastleWild:
10083 case BlackKingSideCastleWild:
10084 case BlackQueenSideCastleWild:
10086 case WhiteHSideCastleFR:
10087 case WhiteASideCastleFR:
10088 case BlackHSideCastleFR:
10089 case BlackASideCastleFR:
10091 fromX = currentMoveString[0] - AAA;
10092 fromY = currentMoveString[1] - ONE;
10093 toX = currentMoveString[2] - AAA;
10094 toY = currentMoveString[3] - ONE;
10095 promoChar = currentMoveString[4];
10099 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
10100 fromX = moveType == WhiteDrop ?
10101 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10102 (int) CharToPiece(ToLower(currentMoveString[0]));
10104 toX = currentMoveString[2] - AAA;
10105 toY = currentMoveString[3] - ONE;
10106 promoChar = NULLCHAR;
10108 case AmbiguousMove:
10110 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
10111 if (appData.debugMode) {
10112 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
10113 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10114 setbuf(debugFP, NULL);
10116 DisplayError(buf, 0);
10118 case ImpossibleMove:
10120 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
10121 if (appData.debugMode) {
10122 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
10123 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10124 setbuf(debugFP, NULL);
10126 DisplayError(buf, 0);
10129 if (boardIndex < backwardMostMove) {
10130 /* Oops, gap. How did that happen? */
10131 DisplayError(_("Gap in move list"), 0);
10134 backwardMostMove = blackPlaysFirst ? 1 : 0;
10135 if (boardIndex > forwardMostMove) {
10136 forwardMostMove = boardIndex;
10140 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
10141 strcat(parseList[boardIndex-1], " ");
10142 strcat(parseList[boardIndex-1], yy_text);
10154 case GameUnfinished:
10155 if (gameMode == IcsExamining) {
10156 if (boardIndex < backwardMostMove) {
10157 /* Oops, gap. How did that happen? */
10160 backwardMostMove = blackPlaysFirst ? 1 : 0;
10163 gameInfo.result = moveType;
10164 p = strchr(yy_text, '{');
10165 if (p == NULL) p = strchr(yy_text, '(');
10168 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10170 q = strchr(p, *p == '{' ? '}' : ')');
10171 if (q != NULL) *q = NULLCHAR;
10174 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10175 gameInfo.resultDetails = StrSave(p);
10178 if (boardIndex >= forwardMostMove &&
10179 !(gameMode == IcsObserving && ics_gamenum == -1)) {
10180 backwardMostMove = blackPlaysFirst ? 1 : 0;
10183 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
10184 fromY, fromX, toY, toX, promoChar,
10185 parseList[boardIndex]);
10186 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
10187 /* currentMoveString is set as a side-effect of yylex */
10188 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
10189 strcat(moveList[boardIndex], "\n");
10191 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
10192 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
10198 if(!IS_SHOGI(gameInfo.variant))
10199 strcat(parseList[boardIndex - 1], "+");
10203 strcat(parseList[boardIndex - 1], "#");
10210 /* Apply a move to the given board */
10212 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
10214 ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, berolina = 0;
10215 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
10217 /* [HGM] compute & store e.p. status and castling rights for new position */
10218 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
10220 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
10221 oldEP = (signed char)board[EP_FILE]; epRank = board[EP_RANK];
10222 board[EP_STATUS] = EP_NONE;
10223 board[EP_FILE] = board[EP_RANK] = 100;
10225 if (fromY == DROP_RANK) {
10226 /* must be first */
10227 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
10228 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
10231 piece = board[toY][toX] = (ChessSquare) fromX;
10233 // ChessSquare victim;
10236 if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
10237 // victim = board[killY][killX],
10238 killed = board[killY][killX],
10239 board[killY][killX] = EmptySquare,
10240 board[EP_STATUS] = EP_CAPTURE;
10241 if( kill2X >= 0 && kill2Y >= 0)
10242 killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
10245 if( board[toY][toX] != EmptySquare ) {
10246 board[EP_STATUS] = EP_CAPTURE;
10247 if( (fromX != toX || fromY != toY) && // not igui!
10248 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
10249 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
10250 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
10254 pawn = board[fromY][fromX];
10255 if( pawn == WhiteLance || pawn == BlackLance ) {
10256 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
10257 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
10258 else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
10261 if( pawn == WhitePawn ) {
10262 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10263 board[EP_STATUS] = EP_PAWN_MOVE;
10264 if( toY-fromY>=2) {
10265 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
10266 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
10267 gameInfo.variant != VariantBerolina || toX < fromX)
10268 board[EP_STATUS] = toX | berolina;
10269 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
10270 gameInfo.variant != VariantBerolina || toX > fromX)
10271 board[EP_STATUS] = toX;
10274 if( pawn == BlackPawn ) {
10275 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10276 board[EP_STATUS] = EP_PAWN_MOVE;
10277 if( toY-fromY<= -2) {
10278 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
10279 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10280 gameInfo.variant != VariantBerolina || toX < fromX)
10281 board[EP_STATUS] = toX | berolina;
10282 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10283 gameInfo.variant != VariantBerolina || toX > fromX)
10284 board[EP_STATUS] = toX;
10288 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10289 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10290 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10291 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10293 for(i=0; i<nrCastlingRights; i++) {
10294 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10295 board[CASTLING][i] == toX && castlingRank[i] == toY
10296 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10299 if(gameInfo.variant == VariantSChess) { // update virginity
10300 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10301 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10302 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10303 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10306 if (fromX == toX && fromY == toY && killX < 0) return;
10308 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10309 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10310 if(gameInfo.variant == VariantKnightmate)
10311 king += (int) WhiteUnicorn - (int) WhiteKing;
10313 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10314 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10315 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10316 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10317 board[EP_STATUS] = EP_NONE; // capture was fake!
10319 if(nrCastlingRights == 0 && board[toY][toX] < EmptySquare && (piece < BlackPawn) == (board[toY][toX] < BlackPawn)) {
10320 board[fromY][fromX] = board[toY][toX]; // capture own will lead to swapping
10321 board[toY][toX] = piece;
10322 board[EP_STATUS] = EP_NONE; // capture was fake!
10324 /* Code added by Tord: */
10325 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10326 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10327 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10328 board[EP_STATUS] = EP_NONE; // capture was fake!
10329 board[fromY][fromX] = EmptySquare;
10330 board[toY][toX] = EmptySquare;
10331 if((toX > fromX) != (piece == WhiteRook)) {
10332 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10334 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10336 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10337 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10338 board[EP_STATUS] = EP_NONE;
10339 board[fromY][fromX] = EmptySquare;
10340 board[toY][toX] = EmptySquare;
10341 if((toX > fromX) != (piece == BlackRook)) {
10342 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10344 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10346 /* End of code added by Tord */
10348 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10349 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10350 board[toY][toX] = piece;
10351 } else if (board[fromY][fromX] == king
10352 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10353 && toY == fromY && toX > fromX+1) {
10354 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++)
10355 ; // castle with nearest piece
10356 board[fromY][toX-1] = board[fromY][rookX];
10357 board[fromY][rookX] = EmptySquare;
10358 board[fromY][fromX] = EmptySquare;
10359 board[toY][toX] = king;
10360 } else if (board[fromY][fromX] == king
10361 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10362 && toY == fromY && toX < fromX-1) {
10363 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--)
10364 ; // castle with nearest piece
10365 board[fromY][toX+1] = board[fromY][rookX];
10366 board[fromY][rookX] = EmptySquare;
10367 board[fromY][fromX] = EmptySquare;
10368 board[toY][toX] = king;
10369 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10370 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10371 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10373 /* white pawn promotion */
10374 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10375 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10376 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10377 board[fromY][fromX] = EmptySquare;
10378 } else if ((fromY >= BOARD_HEIGHT>>1)
10379 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10381 && gameInfo.variant != VariantXiangqi
10382 && gameInfo.variant != VariantBerolina
10383 && (pawn == WhitePawn)
10384 && (board[toY][toX] == EmptySquare)) {
10385 board[fromY][fromX] = EmptySquare;
10386 board[toY][toX] = piece;
10387 if(toY == epRank - 128 + 1)
10388 captured = board[toY - 2][toX], board[toY - 2][toX] = EmptySquare;
10390 captured = board[toY - 1][toX], board[toY - 1][toX] = EmptySquare;
10391 } else if ((fromY == BOARD_HEIGHT-4)
10393 && gameInfo.variant == VariantBerolina
10394 && (board[fromY][fromX] == WhitePawn)
10395 && (board[toY][toX] == EmptySquare)) {
10396 board[fromY][fromX] = EmptySquare;
10397 board[toY][toX] = WhitePawn;
10398 if(oldEP & EP_BEROLIN_A) {
10399 captured = board[fromY][fromX-1];
10400 board[fromY][fromX-1] = EmptySquare;
10401 }else{ captured = board[fromY][fromX+1];
10402 board[fromY][fromX+1] = EmptySquare;
10404 } else if (board[fromY][fromX] == king
10405 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10406 && toY == fromY && toX > fromX+1) {
10407 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++)
10409 board[fromY][toX-1] = board[fromY][rookX];
10410 board[fromY][rookX] = EmptySquare;
10411 board[fromY][fromX] = EmptySquare;
10412 board[toY][toX] = king;
10413 } else if (board[fromY][fromX] == king
10414 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10415 && toY == fromY && toX < fromX-1) {
10416 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--)
10418 board[fromY][toX+1] = board[fromY][rookX];
10419 board[fromY][rookX] = EmptySquare;
10420 board[fromY][fromX] = EmptySquare;
10421 board[toY][toX] = king;
10422 } else if (fromY == 7 && fromX == 3
10423 && board[fromY][fromX] == BlackKing
10424 && toY == 7 && toX == 5) {
10425 board[fromY][fromX] = EmptySquare;
10426 board[toY][toX] = BlackKing;
10427 board[fromY][7] = EmptySquare;
10428 board[toY][4] = BlackRook;
10429 } else if (fromY == 7 && fromX == 3
10430 && board[fromY][fromX] == BlackKing
10431 && toY == 7 && toX == 1) {
10432 board[fromY][fromX] = EmptySquare;
10433 board[toY][toX] = BlackKing;
10434 board[fromY][0] = EmptySquare;
10435 board[toY][2] = BlackRook;
10436 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10437 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10438 && toY < promoRank && promoChar
10440 /* black pawn promotion */
10441 board[toY][toX] = CharToPiece(ToLower(promoChar));
10442 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10443 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10444 board[fromY][fromX] = EmptySquare;
10445 } else if ((fromY < BOARD_HEIGHT>>1)
10446 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10448 && gameInfo.variant != VariantXiangqi
10449 && gameInfo.variant != VariantBerolina
10450 && (pawn == BlackPawn)
10451 && (board[toY][toX] == EmptySquare)) {
10452 board[fromY][fromX] = EmptySquare;
10453 board[toY][toX] = piece;
10454 if(toY == epRank - 128 - 1)
10455 captured = board[toY + 2][toX], board[toY + 2][toX] = EmptySquare;
10457 captured = board[toY + 1][toX], board[toY + 1][toX] = EmptySquare;
10458 } else if ((fromY == 3)
10460 && gameInfo.variant == VariantBerolina
10461 && (board[fromY][fromX] == BlackPawn)
10462 && (board[toY][toX] == EmptySquare)) {
10463 board[fromY][fromX] = EmptySquare;
10464 board[toY][toX] = BlackPawn;
10465 if(oldEP & EP_BEROLIN_A) {
10466 captured = board[fromY][fromX-1];
10467 board[fromY][fromX-1] = EmptySquare;
10468 }else{ captured = board[fromY][fromX+1];
10469 board[fromY][fromX+1] = EmptySquare;
10472 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10473 board[fromY][fromX] = EmptySquare;
10474 board[toY][toX] = piece;
10478 if (gameInfo.holdingsWidth != 0) {
10480 /* !!A lot more code needs to be written to support holdings */
10481 /* [HGM] OK, so I have written it. Holdings are stored in the */
10482 /* penultimate board files, so they are automaticlly stored */
10483 /* in the game history. */
10484 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10485 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10486 /* Delete from holdings, by decreasing count */
10487 /* and erasing image if necessary */
10488 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10489 if(p < (int) BlackPawn) { /* white drop */
10490 p -= (int)WhitePawn;
10491 p = PieceToNumber((ChessSquare)p);
10492 if(p >= gameInfo.holdingsSize) p = 0;
10493 if(--board[p][BOARD_WIDTH-2] <= 0)
10494 board[p][BOARD_WIDTH-1] = EmptySquare;
10495 if((int)board[p][BOARD_WIDTH-2] < 0)
10496 board[p][BOARD_WIDTH-2] = 0;
10497 } else { /* black drop */
10498 p -= (int)BlackPawn;
10499 p = PieceToNumber((ChessSquare)p);
10500 if(p >= gameInfo.holdingsSize) p = 0;
10501 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10502 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10503 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10504 board[BOARD_HEIGHT-1-p][1] = 0;
10507 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10508 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10509 /* [HGM] holdings: Add to holdings, if holdings exist */
10510 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10511 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10512 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10514 p = (int) captured;
10515 if (p >= (int) BlackPawn) {
10516 p -= (int)BlackPawn;
10517 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10518 /* Restore shogi-promoted piece to its original first */
10519 captured = (ChessSquare) (DEMOTED(captured));
10522 p = PieceToNumber((ChessSquare)p);
10523 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10524 board[p][BOARD_WIDTH-2]++;
10525 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10527 p -= (int)WhitePawn;
10528 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10529 captured = (ChessSquare) (DEMOTED(captured));
10532 p = PieceToNumber((ChessSquare)p);
10533 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10534 board[BOARD_HEIGHT-1-p][1]++;
10535 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10538 } else if (gameInfo.variant == VariantAtomic) {
10539 if (captured != EmptySquare) {
10541 for (y = toY-1; y <= toY+1; y++) {
10542 for (x = toX-1; x <= toX+1; x++) {
10543 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10544 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10545 board[y][x] = EmptySquare;
10549 board[toY][toX] = EmptySquare;
10553 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10554 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10556 if(promoChar == '+') {
10557 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10558 board[toY][toX] = (ChessSquare) (CHUPROMOTED(piece));
10559 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10560 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10561 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10562 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10563 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10564 && pieceToChar[PROMOTED(newPiece)] == '~') newPiece = PROMOTED(newPiece);// but promoted version available
10565 board[toY][toX] = newPiece;
10567 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10568 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10569 // [HGM] superchess: take promotion piece out of holdings
10570 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10571 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10572 if(!--board[k][BOARD_WIDTH-2])
10573 board[k][BOARD_WIDTH-1] = EmptySquare;
10575 if(!--board[BOARD_HEIGHT-1-k][1])
10576 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10581 /* Updates forwardMostMove */
10583 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10585 int x = toX, y = toY;
10586 char *s = parseList[forwardMostMove];
10587 ChessSquare p = boards[forwardMostMove][toY][toX];
10588 // forwardMostMove++; // [HGM] bare: moved downstream
10590 if(kill2X >= 0) x = kill2X, y = kill2Y; else
10591 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10592 (void) CoordsToAlgebraic(boards[forwardMostMove],
10593 PosFlags(forwardMostMove),
10594 fromY, fromX, y, x, (killX < 0)*promoChar,
10596 if(kill2X >= 0 && kill2Y >= 0)
10597 sprintf(s + strlen(s), "x%c%d", killX + AAA, killY + ONE - '0'); // 2nd leg of 3-leg move is always capture
10598 if(killX >= 0 && killY >= 0)
10599 sprintf(s + strlen(s), "%c%c%d%c", p == EmptySquare || toX == fromX && toY == fromY || toX== kill2X && toY == kill2Y ? '-' : 'x',
10600 toX + AAA, toY + ONE - '0', promoChar);
10602 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10603 int timeLeft; static int lastLoadFlag=0; int king, piece;
10604 piece = boards[forwardMostMove][fromY][fromX];
10605 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10606 if(gameInfo.variant == VariantKnightmate)
10607 king += (int) WhiteUnicorn - (int) WhiteKing;
10608 if(forwardMostMove == 0) {
10609 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10610 fprintf(serverMoves, "%s;", UserName());
10611 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10612 fprintf(serverMoves, "%s;", second.tidy);
10613 fprintf(serverMoves, "%s;", first.tidy);
10614 if(gameMode == MachinePlaysWhite)
10615 fprintf(serverMoves, "%s;", UserName());
10616 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10617 fprintf(serverMoves, "%s;", second.tidy);
10618 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10619 lastLoadFlag = loadFlag;
10621 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10622 // print castling suffix
10623 if( toY == fromY && piece == king ) {
10625 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10627 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10630 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10631 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10632 boards[forwardMostMove][toY][toX] == EmptySquare
10633 && fromX != toX && fromY != toY)
10634 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10635 // promotion suffix
10636 if(promoChar != NULLCHAR) {
10637 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10638 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10639 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10640 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10643 char buf[MOVE_LEN*2], *p; int len;
10644 fprintf(serverMoves, "/%d/%d",
10645 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10646 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10647 else timeLeft = blackTimeRemaining/1000;
10648 fprintf(serverMoves, "/%d", timeLeft);
10649 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10650 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10651 if(p = strchr(buf, '=')) *p = NULLCHAR;
10652 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10653 fprintf(serverMoves, "/%s", buf);
10655 fflush(serverMoves);
10658 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10659 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10662 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10663 if (commentList[forwardMostMove+1] != NULL) {
10664 free(commentList[forwardMostMove+1]);
10665 commentList[forwardMostMove+1] = NULL;
10667 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10668 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10669 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10670 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10671 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10672 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10673 adjustedClock = FALSE;
10674 gameInfo.result = GameUnfinished;
10675 if (gameInfo.resultDetails != NULL) {
10676 free(gameInfo.resultDetails);
10677 gameInfo.resultDetails = NULL;
10679 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10680 moveList[forwardMostMove - 1]);
10681 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10687 if(!IS_SHOGI(gameInfo.variant))
10688 strcat(parseList[forwardMostMove - 1], "+");
10692 strcat(parseList[forwardMostMove - 1], "#");
10697 /* Updates currentMove if not pausing */
10699 ShowMove (int fromX, int fromY, int toX, int toY)
10701 int instant = (gameMode == PlayFromGameFile) ?
10702 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10703 if(appData.noGUI) return;
10704 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10706 if (forwardMostMove == currentMove + 1) {
10707 AnimateMove(boards[forwardMostMove - 1],
10708 fromX, fromY, toX, toY);
10711 currentMove = forwardMostMove;
10714 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
10716 if (instant) return;
10718 DisplayMove(currentMove - 1);
10719 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10720 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10721 SetHighlights(fromX, fromY, toX, toY);
10724 DrawPosition(FALSE, boards[currentMove]);
10725 DisplayBothClocks();
10726 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10730 SendEgtPath (ChessProgramState *cps)
10731 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10732 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10734 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10737 char c, *q = name+1, *r, *s;
10739 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10740 while(*p && *p != ',') *q++ = *p++;
10741 *q++ = ':'; *q = 0;
10742 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10743 strcmp(name, ",nalimov:") == 0 ) {
10744 // take nalimov path from the menu-changeable option first, if it is defined
10745 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10746 SendToProgram(buf,cps); // send egtbpath command for nalimov
10748 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10749 (s = StrStr(appData.egtFormats, name)) != NULL) {
10750 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10751 s = r = StrStr(s, ":") + 1; // beginning of path info
10752 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10753 c = *r; *r = 0; // temporarily null-terminate path info
10754 *--q = 0; // strip of trailig ':' from name
10755 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10757 SendToProgram(buf,cps); // send egtbpath command for this format
10759 if(*p == ',') p++; // read away comma to position for next format name
10764 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10766 int width = 8, height = 8, holdings = 0; // most common sizes
10767 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10768 // correct the deviations default for each variant
10769 if( v == VariantXiangqi ) width = 9, height = 10;
10770 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10771 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10772 if( v == VariantCapablanca || v == VariantCapaRandom ||
10773 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10775 if( v == VariantCourier ) width = 12;
10776 if( v == VariantSuper ) holdings = 8;
10777 if( v == VariantGreat ) width = 10, holdings = 8;
10778 if( v == VariantSChess ) holdings = 7;
10779 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10780 if( v == VariantChuChess) width = 10, height = 10;
10781 if( v == VariantChu ) width = 12, height = 12;
10782 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10783 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10784 holdingsSize >= 0 && holdingsSize != holdings;
10787 char variantError[MSG_SIZ];
10790 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10791 { // returns error message (recognizable by upper-case) if engine does not support the variant
10792 char *p, *variant = VariantName(v);
10793 static char b[MSG_SIZ];
10794 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10795 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10796 holdingsSize, variant); // cook up sized variant name
10797 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10798 if(StrStr(list, b) == NULL) {
10799 // specific sized variant not known, check if general sizing allowed
10800 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10801 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10802 boardWidth, boardHeight, holdingsSize, engine);
10805 /* [HGM] here we really should compare with the maximum supported board size */
10807 } else snprintf(b, MSG_SIZ,"%s", variant);
10808 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10809 p = StrStr(list, b);
10810 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10812 // occurs not at all in list, or only as sub-string
10813 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10814 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10815 int l = strlen(variantError);
10817 while(p != list && p[-1] != ',') p--;
10818 q = strchr(p, ',');
10819 if(q) *q = NULLCHAR;
10820 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10829 InitChessProgram (ChessProgramState *cps, int setup)
10830 /* setup needed to setup FRC opening position */
10832 char buf[MSG_SIZ], *b;
10833 if (appData.noChessProgram) return;
10834 hintRequested = FALSE;
10835 bookRequested = FALSE;
10837 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10838 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10839 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10840 if(cps->memSize) { /* [HGM] memory */
10841 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10842 SendToProgram(buf, cps);
10844 SendEgtPath(cps); /* [HGM] EGT */
10845 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10846 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10847 SendToProgram(buf, cps);
10850 setboardSpoiledMachineBlack = FALSE;
10851 SendToProgram(cps->initString, cps);
10852 if (gameInfo.variant != VariantNormal &&
10853 gameInfo.variant != VariantLoadable
10854 /* [HGM] also send variant if board size non-standard */
10855 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10857 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10858 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10862 char c, *q = cps->variants, *p = strchr(q, ',');
10863 if(p) *p = NULLCHAR;
10864 v = StringToVariant(q);
10865 DisplayError(variantError, 0);
10866 if(v != VariantUnknown && cps == &first) {
10868 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10869 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10870 ASSIGN(appData.variant, q);
10871 Reset(TRUE, FALSE);
10877 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10878 SendToProgram(buf, cps);
10880 currentlyInitializedVariant = gameInfo.variant;
10882 /* [HGM] send opening position in FRC to first engine */
10884 SendToProgram("force\n", cps);
10886 /* engine is now in force mode! Set flag to wake it up after first move. */
10887 setboardSpoiledMachineBlack = 1;
10890 if (cps->sendICS) {
10891 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10892 SendToProgram(buf, cps);
10894 cps->maybeThinking = FALSE;
10895 cps->offeredDraw = 0;
10896 if (!appData.icsActive) {
10897 SendTimeControl(cps, movesPerSession, timeControl,
10898 timeIncrement, appData.searchDepth,
10901 if (appData.showThinking
10902 // [HGM] thinking: four options require thinking output to be sent
10903 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10905 SendToProgram("post\n", cps);
10907 SendToProgram("hard\n", cps);
10908 if (!appData.ponderNextMove) {
10909 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10910 it without being sure what state we are in first. "hard"
10911 is not a toggle, so that one is OK.
10913 SendToProgram("easy\n", cps);
10915 if (cps->usePing) {
10916 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10917 SendToProgram(buf, cps);
10919 cps->initDone = TRUE;
10920 ClearEngineOutputPane(cps == &second);
10925 ResendOptions (ChessProgramState *cps)
10926 { // send the stored value of the options
10929 Option *opt = cps->option;
10930 for(i=0; i<cps->nrOptions; i++, opt++) {
10931 switch(opt->type) {
10935 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10938 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10941 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10947 SendToProgram(buf, cps);
10952 StartChessProgram (ChessProgramState *cps)
10957 if (appData.noChessProgram) return;
10958 cps->initDone = FALSE;
10960 if (strcmp(cps->host, "localhost") == 0) {
10961 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10962 } else if (*appData.remoteShell == NULLCHAR) {
10963 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10965 if (*appData.remoteUser == NULLCHAR) {
10966 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10969 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10970 cps->host, appData.remoteUser, cps->program);
10972 err = StartChildProcess(buf, "", &cps->pr);
10976 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10977 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10978 if(cps != &first) return;
10979 appData.noChessProgram = TRUE;
10982 // DisplayFatalError(buf, err, 1);
10983 // cps->pr = NoProc;
10984 // cps->isr = NULL;
10988 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10989 if (cps->protocolVersion > 1) {
10990 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10991 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10992 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10993 cps->comboCnt = 0; // and values of combo boxes
10995 SendToProgram(buf, cps);
10996 if(cps->reload) ResendOptions(cps);
10998 SendToProgram("xboard\n", cps);
11003 TwoMachinesEventIfReady P((void))
11005 static int curMess = 0;
11006 if (first.lastPing != first.lastPong) {
11007 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
11008 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
11011 if (second.lastPing != second.lastPong) {
11012 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
11013 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
11016 DisplayMessage("", ""); curMess = 0;
11017 TwoMachinesEvent();
11021 MakeName (char *template)
11025 static char buf[MSG_SIZ];
11029 clock = time((time_t *)NULL);
11030 tm = localtime(&clock);
11032 while(*p++ = *template++) if(p[-1] == '%') {
11033 switch(*template++) {
11034 case 0: *p = 0; return buf;
11035 case 'Y': i = tm->tm_year+1900; break;
11036 case 'y': i = tm->tm_year-100; break;
11037 case 'M': i = tm->tm_mon+1; break;
11038 case 'd': i = tm->tm_mday; break;
11039 case 'h': i = tm->tm_hour; break;
11040 case 'm': i = tm->tm_min; break;
11041 case 's': i = tm->tm_sec; break;
11044 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
11050 CountPlayers (char *p)
11053 while(p = strchr(p, '\n')) p++, n++; // count participants
11058 WriteTourneyFile (char *results, FILE *f)
11059 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
11060 if(f == NULL) f = fopen(appData.tourneyFile, "w");
11061 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
11062 // create a file with tournament description
11063 fprintf(f, "-participants {%s}\n", appData.participants);
11064 fprintf(f, "-seedBase %d\n", appData.seedBase);
11065 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
11066 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
11067 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
11068 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
11069 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
11070 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
11071 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
11072 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
11073 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
11074 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
11075 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
11076 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
11077 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
11078 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
11079 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
11080 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
11081 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
11082 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
11083 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
11084 fprintf(f, "-smpCores %d\n", appData.smpCores);
11086 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
11088 fprintf(f, "-mps %d\n", appData.movesPerSession);
11089 fprintf(f, "-tc %s\n", appData.timeControl);
11090 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
11092 fprintf(f, "-results \"%s\"\n", results);
11097 char *command[MAXENGINES], *mnemonic[MAXENGINES];
11100 Substitute (char *participants, int expunge)
11102 int i, changed, changes=0, nPlayers=0;
11103 char *p, *q, *r, buf[MSG_SIZ];
11104 if(participants == NULL) return;
11105 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
11106 r = p = participants; q = appData.participants;
11107 while(*p && *p == *q) {
11108 if(*p == '\n') r = p+1, nPlayers++;
11111 if(*p) { // difference
11112 while(*p && *p++ != '\n')
11114 while(*q && *q++ != '\n')
11116 changed = nPlayers;
11117 changes = 1 + (strcmp(p, q) != 0);
11119 if(changes == 1) { // a single engine mnemonic was changed
11120 q = r; while(*q) nPlayers += (*q++ == '\n');
11121 p = buf; while(*r && (*p = *r++) != '\n') p++;
11123 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11124 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
11125 if(mnemonic[i]) { // The substitute is valid
11127 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
11128 flock(fileno(f), LOCK_EX);
11129 ParseArgsFromFile(f);
11130 fseek(f, 0, SEEK_SET);
11131 FREE(appData.participants); appData.participants = participants;
11132 if(expunge) { // erase results of replaced engine
11133 int len = strlen(appData.results), w, b, dummy;
11134 for(i=0; i<len; i++) {
11135 Pairing(i, nPlayers, &w, &b, &dummy);
11136 if((w == changed || b == changed) && appData.results[i] == '*') {
11137 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
11142 for(i=0; i<len; i++) {
11143 Pairing(i, nPlayers, &w, &b, &dummy);
11144 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
11147 WriteTourneyFile(appData.results, f);
11148 fclose(f); // release lock
11151 } else DisplayError(_("No engine with the name you gave is installed"), 0);
11153 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
11154 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
11155 free(participants);
11160 CheckPlayers (char *participants)
11163 char buf[MSG_SIZ], *p;
11164 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11165 while(p = strchr(participants, '\n')) {
11167 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
11169 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
11171 DisplayError(buf, 0);
11175 participants = p + 1;
11181 CreateTourney (char *name)
11184 if(matchMode && strcmp(name, appData.tourneyFile)) {
11185 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
11187 if(name[0] == NULLCHAR) {
11188 if(appData.participants[0])
11189 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
11192 f = fopen(name, "r");
11193 if(f) { // file exists
11194 ASSIGN(appData.tourneyFile, name);
11195 ParseArgsFromFile(f); // parse it
11197 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11198 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11199 DisplayError(_("Not enough participants"), 0);
11202 if(CheckPlayers(appData.participants)) return 0;
11203 ASSIGN(appData.tourneyFile, name);
11204 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11205 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11208 appData.noChessProgram = FALSE;
11209 appData.clockMode = TRUE;
11215 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11217 char buf[MSG_SIZ], *p, *q;
11218 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11219 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11220 skip = !all && group[0]; // if group requested, we start in skip mode
11221 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11222 p = names; q = buf; header = 0;
11223 while(*p && *p != '\n') *q++ = *p++;
11225 if(*p == '\n') p++;
11226 if(buf[0] == '#') {
11227 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11228 depth++; // we must be entering a new group
11229 if(all) continue; // suppress printing group headers when complete list requested
11231 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11233 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11234 if(engineList[i]) free(engineList[i]);
11235 engineList[i] = strdup(buf);
11236 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11237 if(engineMnemonic[i]) free(engineMnemonic[i]);
11238 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11240 sscanf(q + 8, "%s", buf + strlen(buf));
11243 engineMnemonic[i] = strdup(buf);
11246 engineList[i] = engineMnemonic[i] = NULL;
11250 // following implemented as macro to avoid type limitations
11251 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11254 SwapEngines (int n)
11255 { // swap settings for first engine and other engine (so far only some selected options)
11260 SWAP(chessProgram, p)
11262 SWAP(hasOwnBookUCI, h)
11263 SWAP(protocolVersion, h)
11265 SWAP(scoreIsAbsolute, h)
11270 SWAP(engOptions, p)
11271 SWAP(engInitString, p)
11272 SWAP(computerString, p)
11274 SWAP(fenOverride, p)
11276 SWAP(accumulateTC, h)
11283 GetEngineLine (char *s, int n)
11287 extern char *icsNames;
11288 if(!s || !*s) return 0;
11289 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11290 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11291 if(!mnemonic[i]) return 0;
11292 if(n == 11) return 1; // just testing if there was a match
11293 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11294 if(n == 1) SwapEngines(n);
11295 ParseArgsFromString(buf);
11296 if(n == 1) SwapEngines(n);
11297 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11298 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11299 ParseArgsFromString(buf);
11305 SetPlayer (int player, char *p)
11306 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11308 char buf[MSG_SIZ], *engineName;
11309 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11310 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11311 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11313 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11314 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11315 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11316 ParseArgsFromString(buf);
11317 } else { // no engine with this nickname is installed!
11318 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11319 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11320 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11322 DisplayError(buf, 0);
11329 char *recentEngines;
11332 RecentEngineEvent (int nr)
11335 // SwapEngines(1); // bump first to second
11336 // ReplaceEngine(&second, 1); // and load it there
11337 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11338 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11339 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11340 ReplaceEngine(&first, 0);
11341 FloatToFront(&appData.recentEngineList, command[n]);
11346 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11347 { // determine players from game number
11348 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11350 if(appData.tourneyType == 0) {
11351 roundsPerCycle = (nPlayers - 1) | 1;
11352 pairingsPerRound = nPlayers / 2;
11353 } else if(appData.tourneyType > 0) {
11354 roundsPerCycle = nPlayers - appData.tourneyType;
11355 pairingsPerRound = appData.tourneyType;
11357 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11358 gamesPerCycle = gamesPerRound * roundsPerCycle;
11359 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11360 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11361 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11362 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11363 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11364 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11366 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11367 if(appData.roundSync) *syncInterval = gamesPerRound;
11369 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11371 if(appData.tourneyType == 0) {
11372 if(curPairing == (nPlayers-1)/2 ) {
11373 *whitePlayer = curRound;
11374 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11376 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11377 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11378 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11379 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11381 } else if(appData.tourneyType > 1) {
11382 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11383 *whitePlayer = curRound + appData.tourneyType;
11384 } else if(appData.tourneyType > 0) {
11385 *whitePlayer = curPairing;
11386 *blackPlayer = curRound + appData.tourneyType;
11389 // take care of white/black alternation per round.
11390 // For cycles and games this is already taken care of by default, derived from matchGame!
11391 return curRound & 1;
11395 NextTourneyGame (int nr, int *swapColors)
11396 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11398 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11400 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11401 tf = fopen(appData.tourneyFile, "r");
11402 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11403 ParseArgsFromFile(tf); fclose(tf);
11404 InitTimeControls(); // TC might be altered from tourney file
11406 nPlayers = CountPlayers(appData.participants); // count participants
11407 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11408 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11411 p = q = appData.results;
11412 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11413 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11414 DisplayMessage(_("Waiting for other game(s)"),"");
11415 waitingForGame = TRUE;
11416 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11419 waitingForGame = FALSE;
11422 if(appData.tourneyType < 0) {
11423 if(nr>=0 && !pairingReceived) {
11425 if(pairing.pr == NoProc) {
11426 if(!appData.pairingEngine[0]) {
11427 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11430 StartChessProgram(&pairing); // starts the pairing engine
11432 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11433 SendToProgram(buf, &pairing);
11434 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11435 SendToProgram(buf, &pairing);
11436 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11438 pairingReceived = 0; // ... so we continue here
11440 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11441 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11442 matchGame = 1; roundNr = nr / syncInterval + 1;
11445 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11447 // redefine engines, engine dir, etc.
11448 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11449 if(first.pr == NoProc) {
11450 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11451 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11453 if(second.pr == NoProc) {
11455 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11456 SwapEngines(1); // and make that valid for second engine by swapping
11457 InitEngine(&second, 1);
11459 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11460 UpdateLogos(FALSE); // leave display to ModeHiglight()
11466 { // performs game initialization that does not invoke engines, and then tries to start the game
11467 int res, firstWhite, swapColors = 0;
11468 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11469 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
11471 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11472 if(strcmp(buf, currentDebugFile)) { // name has changed
11473 FILE *f = fopen(buf, "w");
11474 if(f) { // if opening the new file failed, just keep using the old one
11475 ASSIGN(currentDebugFile, buf);
11479 if(appData.serverFileName) {
11480 if(serverFP) fclose(serverFP);
11481 serverFP = fopen(appData.serverFileName, "w");
11482 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11483 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11487 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11488 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11489 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11490 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11491 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11492 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11493 Reset(FALSE, first.pr != NoProc);
11494 res = LoadGameOrPosition(matchGame); // setup game
11495 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11496 if(!res) return; // abort when bad game/pos file
11497 if(appData.epd) {// in EPD mode we make sure first engine is to move
11498 firstWhite = !(forwardMostMove & 1);
11499 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11500 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11502 TwoMachinesEvent();
11506 UserAdjudicationEvent (int result)
11508 ChessMove gameResult = GameIsDrawn;
11511 gameResult = WhiteWins;
11513 else if( result < 0 ) {
11514 gameResult = BlackWins;
11517 if( gameMode == TwoMachinesPlay ) {
11518 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11523 // [HGM] save: calculate checksum of game to make games easily identifiable
11525 StringCheckSum (char *s)
11528 if(s==NULL) return 0;
11529 while(*s) i = i*259 + *s++;
11537 for(i=backwardMostMove; i<forwardMostMove; i++) {
11538 sum += pvInfoList[i].depth;
11539 sum += StringCheckSum(parseList[i]);
11540 sum += StringCheckSum(commentList[i]);
11543 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11544 return sum + StringCheckSum(commentList[i]);
11545 } // end of save patch
11548 GameEnds (ChessMove result, char *resultDetails, int whosays)
11550 GameMode nextGameMode;
11552 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11554 if(endingGame) return; /* [HGM] crash: forbid recursion */
11556 if(twoBoards) { // [HGM] dual: switch back to one board
11557 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11558 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11560 if (appData.debugMode) {
11561 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11562 result, resultDetails ? resultDetails : "(null)", whosays);
11565 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11567 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11569 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11570 /* If we are playing on ICS, the server decides when the
11571 game is over, but the engine can offer to draw, claim
11575 if (appData.zippyPlay && first.initDone) {
11576 if (result == GameIsDrawn) {
11577 /* In case draw still needs to be claimed */
11578 SendToICS(ics_prefix);
11579 SendToICS("draw\n");
11580 } else if (StrCaseStr(resultDetails, "resign")) {
11581 SendToICS(ics_prefix);
11582 SendToICS("resign\n");
11586 endingGame = 0; /* [HGM] crash */
11590 /* If we're loading the game from a file, stop */
11591 if (whosays == GE_FILE) {
11592 (void) StopLoadGameTimer();
11596 /* Cancel draw offers */
11597 first.offeredDraw = second.offeredDraw = 0;
11599 /* If this is an ICS game, only ICS can really say it's done;
11600 if not, anyone can. */
11601 isIcsGame = (gameMode == IcsPlayingWhite ||
11602 gameMode == IcsPlayingBlack ||
11603 gameMode == IcsObserving ||
11604 gameMode == IcsExamining);
11606 if (!isIcsGame || whosays == GE_ICS) {
11607 /* OK -- not an ICS game, or ICS said it was done */
11609 if (!isIcsGame && !appData.noChessProgram)
11610 SetUserThinkingEnables();
11612 /* [HGM] if a machine claims the game end we verify this claim */
11613 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11614 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11616 ChessMove trueResult = (ChessMove) -1;
11618 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11619 first.twoMachinesColor[0] :
11620 second.twoMachinesColor[0] ;
11622 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11623 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11624 /* [HGM] verify: engine mate claims accepted if they were flagged */
11625 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11627 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11628 /* [HGM] verify: engine mate claims accepted if they were flagged */
11629 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11631 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11632 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11635 // now verify win claims, but not in drop games, as we don't understand those yet
11636 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11637 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11638 (result == WhiteWins && claimer == 'w' ||
11639 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11640 if (appData.debugMode) {
11641 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11642 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11644 if(result != trueResult) {
11645 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11646 result = claimer == 'w' ? BlackWins : WhiteWins;
11647 resultDetails = buf;
11650 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11651 && (forwardMostMove <= backwardMostMove ||
11652 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11653 (claimer=='b')==(forwardMostMove&1))
11655 /* [HGM] verify: draws that were not flagged are false claims */
11656 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11657 result = claimer == 'w' ? BlackWins : WhiteWins;
11658 resultDetails = buf;
11660 /* (Claiming a loss is accepted no questions asked!) */
11661 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11662 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11663 result = GameUnfinished;
11664 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11666 /* [HGM] bare: don't allow bare King to win */
11667 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11668 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11669 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11670 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11671 && result != GameIsDrawn)
11672 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11673 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11674 int p = (signed char)boards[forwardMostMove][i][j] - color;
11675 if(p >= 0 && p <= (int)WhiteKing) k++;
11676 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11678 if (appData.debugMode) {
11679 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11680 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11682 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11683 result = GameIsDrawn;
11684 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11685 resultDetails = buf;
11691 if(serverMoves != NULL && !loadFlag) { char c = '=';
11692 if(result==WhiteWins) c = '+';
11693 if(result==BlackWins) c = '-';
11694 if(resultDetails != NULL)
11695 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11697 if (resultDetails != NULL) {
11698 gameInfo.result = result;
11699 gameInfo.resultDetails = StrSave(resultDetails);
11701 /* display last move only if game was not loaded from file */
11702 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11703 DisplayMove(currentMove - 1);
11705 if (forwardMostMove != 0) {
11706 if (gameMode != PlayFromGameFile && gameMode != EditGame
11707 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11709 if (*appData.saveGameFile != NULLCHAR) {
11710 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11711 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11713 SaveGameToFile(appData.saveGameFile, TRUE);
11714 } else if (appData.autoSaveGames) {
11715 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11717 if (*appData.savePositionFile != NULLCHAR) {
11718 SavePositionToFile(appData.savePositionFile);
11720 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11724 /* Tell program how game ended in case it is learning */
11725 /* [HGM] Moved this to after saving the PGN, just in case */
11726 /* engine died and we got here through time loss. In that */
11727 /* case we will get a fatal error writing the pipe, which */
11728 /* would otherwise lose us the PGN. */
11729 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11730 /* output during GameEnds should never be fatal anymore */
11731 if (gameMode == MachinePlaysWhite ||
11732 gameMode == MachinePlaysBlack ||
11733 gameMode == TwoMachinesPlay ||
11734 gameMode == IcsPlayingWhite ||
11735 gameMode == IcsPlayingBlack ||
11736 gameMode == BeginningOfGame) {
11738 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11740 if (first.pr != NoProc) {
11741 SendToProgram(buf, &first);
11743 if (second.pr != NoProc &&
11744 gameMode == TwoMachinesPlay) {
11745 SendToProgram(buf, &second);
11750 if (appData.icsActive) {
11751 if (appData.quietPlay &&
11752 (gameMode == IcsPlayingWhite ||
11753 gameMode == IcsPlayingBlack)) {
11754 SendToICS(ics_prefix);
11755 SendToICS("set shout 1\n");
11757 nextGameMode = IcsIdle;
11758 ics_user_moved = FALSE;
11759 /* clean up premove. It's ugly when the game has ended and the
11760 * premove highlights are still on the board.
11763 gotPremove = FALSE;
11764 ClearPremoveHighlights();
11765 DrawPosition(FALSE, boards[currentMove]);
11767 if (whosays == GE_ICS) {
11770 if (gameMode == IcsPlayingWhite)
11772 else if(gameMode == IcsPlayingBlack)
11773 PlayIcsLossSound();
11776 if (gameMode == IcsPlayingBlack)
11778 else if(gameMode == IcsPlayingWhite)
11779 PlayIcsLossSound();
11782 PlayIcsDrawSound();
11785 PlayIcsUnfinishedSound();
11788 if(appData.quitNext) { ExitEvent(0); return; }
11789 } else if (gameMode == EditGame ||
11790 gameMode == PlayFromGameFile ||
11791 gameMode == AnalyzeMode ||
11792 gameMode == AnalyzeFile) {
11793 nextGameMode = gameMode;
11795 nextGameMode = EndOfGame;
11800 nextGameMode = gameMode;
11803 if (appData.noChessProgram) {
11804 gameMode = nextGameMode;
11806 endingGame = 0; /* [HGM] crash */
11811 /* Put first chess program into idle state */
11812 if (first.pr != NoProc &&
11813 (gameMode == MachinePlaysWhite ||
11814 gameMode == MachinePlaysBlack ||
11815 gameMode == TwoMachinesPlay ||
11816 gameMode == IcsPlayingWhite ||
11817 gameMode == IcsPlayingBlack ||
11818 gameMode == BeginningOfGame)) {
11819 SendToProgram("force\n", &first);
11820 if (first.usePing) {
11822 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11823 SendToProgram(buf, &first);
11826 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11827 /* Kill off first chess program */
11828 if (first.isr != NULL)
11829 RemoveInputSource(first.isr);
11832 if (first.pr != NoProc) {
11834 DoSleep( appData.delayBeforeQuit );
11835 SendToProgram("quit\n", &first);
11836 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11837 first.reload = TRUE;
11841 if (second.reuse) {
11842 /* Put second chess program into idle state */
11843 if (second.pr != NoProc &&
11844 gameMode == TwoMachinesPlay) {
11845 SendToProgram("force\n", &second);
11846 if (second.usePing) {
11848 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11849 SendToProgram(buf, &second);
11852 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11853 /* Kill off second chess program */
11854 if (second.isr != NULL)
11855 RemoveInputSource(second.isr);
11858 if (second.pr != NoProc) {
11859 DoSleep( appData.delayBeforeQuit );
11860 SendToProgram("quit\n", &second);
11861 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11862 second.reload = TRUE;
11864 second.pr = NoProc;
11867 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11868 char resChar = '=';
11872 if (first.twoMachinesColor[0] == 'w') {
11875 second.matchWins++;
11880 if (first.twoMachinesColor[0] == 'b') {
11883 second.matchWins++;
11886 case GameUnfinished:
11892 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11893 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11894 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11895 ReserveGame(nextGame, resChar); // sets nextGame
11896 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11897 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11898 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11900 if (nextGame <= appData.matchGames && !abortMatch) {
11901 gameMode = nextGameMode;
11902 matchGame = nextGame; // this will be overruled in tourney mode!
11903 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11904 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11905 endingGame = 0; /* [HGM] crash */
11908 gameMode = nextGameMode;
11910 snprintf(buf, MSG_SIZ, "-------------------------------------- ");
11911 OutputKibitz(2, buf);
11912 snprintf(buf, MSG_SIZ, _("Average solving time %4.2f sec (total time %4.2f sec) "), totalTime/(100.*first.matchWins), totalTime/100.);
11913 OutputKibitz(2, buf);
11914 snprintf(buf, MSG_SIZ, _("%d avoid-moves played "), second.matchWins);
11915 if(second.matchWins) OutputKibitz(2, buf);
11916 snprintf(buf, MSG_SIZ, _("Solved %d out of %d (%3.1f%%) "), first.matchWins, nextGame-1, first.matchWins*100./(nextGame-1));
11917 OutputKibitz(2, buf);
11919 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11920 first.tidy, second.tidy,
11921 first.matchWins, second.matchWins,
11922 appData.matchGames - (first.matchWins + second.matchWins));
11923 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11924 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11925 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11926 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11927 first.twoMachinesColor = "black\n";
11928 second.twoMachinesColor = "white\n";
11930 first.twoMachinesColor = "white\n";
11931 second.twoMachinesColor = "black\n";
11935 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11936 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11938 gameMode = nextGameMode;
11940 endingGame = 0; /* [HGM] crash */
11941 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11942 if(matchMode == TRUE) { // match through command line: exit with or without popup
11944 ToNrEvent(forwardMostMove);
11945 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11947 } else DisplayFatalError(buf, 0, 0);
11948 } else { // match through menu; just stop, with or without popup
11949 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11952 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11953 } else DisplayNote(buf);
11955 if(ranking) free(ranking);
11959 /* Assumes program was just initialized (initString sent).
11960 Leaves program in force mode. */
11962 FeedMovesToProgram (ChessProgramState *cps, int upto)
11966 if (appData.debugMode)
11967 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11968 startedFromSetupPosition ? "position and " : "",
11969 backwardMostMove, upto, cps->which);
11970 if(currentlyInitializedVariant != gameInfo.variant) {
11972 // [HGM] variantswitch: make engine aware of new variant
11973 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11974 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11975 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11976 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11977 SendToProgram(buf, cps);
11978 currentlyInitializedVariant = gameInfo.variant;
11980 SendToProgram("force\n", cps);
11981 if (startedFromSetupPosition) {
11982 SendBoard(cps, backwardMostMove);
11983 if (appData.debugMode) {
11984 fprintf(debugFP, "feedMoves\n");
11987 for (i = backwardMostMove; i < upto; i++) {
11988 SendMoveToProgram(i, cps);
11994 ResurrectChessProgram ()
11996 /* The chess program may have exited.
11997 If so, restart it and feed it all the moves made so far. */
11998 static int doInit = 0;
12000 if (appData.noChessProgram) return 1;
12002 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
12003 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
12004 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
12005 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
12007 if (first.pr != NoProc) return 1;
12008 StartChessProgram(&first);
12010 InitChessProgram(&first, FALSE);
12011 FeedMovesToProgram(&first, currentMove);
12013 if (!first.sendTime) {
12014 /* can't tell gnuchess what its clock should read,
12015 so we bow to its notion. */
12017 timeRemaining[0][currentMove] = whiteTimeRemaining;
12018 timeRemaining[1][currentMove] = blackTimeRemaining;
12021 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
12022 appData.icsEngineAnalyze) && first.analysisSupport) {
12023 SendToProgram("analyze\n", &first);
12024 first.analyzing = TRUE;
12030 * Button procedures
12033 Reset (int redraw, int init)
12037 if (appData.debugMode) {
12038 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
12039 redraw, init, gameMode);
12041 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
12042 deadRanks = 0; // assume entire board is used
12043 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
12044 CleanupTail(); // [HGM] vari: delete any stored variations
12045 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
12046 pausing = pauseExamInvalid = FALSE;
12047 startedFromSetupPosition = blackPlaysFirst = FALSE;
12049 whiteFlag = blackFlag = FALSE;
12050 userOfferedDraw = FALSE;
12051 hintRequested = bookRequested = FALSE;
12052 first.maybeThinking = FALSE;
12053 second.maybeThinking = FALSE;
12054 first.bookSuspend = FALSE; // [HGM] book
12055 second.bookSuspend = FALSE;
12056 thinkOutput[0] = NULLCHAR;
12057 lastHint[0] = NULLCHAR;
12058 ClearGameInfo(&gameInfo);
12059 gameInfo.variant = StringToVariant(appData.variant);
12060 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) {
12061 gameInfo.variant = VariantUnknown;
12062 strncpy(engineVariant, appData.variant, MSG_SIZ);
12064 ics_user_moved = ics_clock_paused = FALSE;
12065 ics_getting_history = H_FALSE;
12067 white_holding[0] = black_holding[0] = NULLCHAR;
12068 ClearProgramStats();
12069 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
12073 flipView = appData.flipView;
12074 ClearPremoveHighlights();
12075 gotPremove = FALSE;
12076 alarmSounded = FALSE;
12077 killX = killY = kill2X = kill2Y = -1; // [HGM] lion
12079 GameEnds(EndOfFile, NULL, GE_PLAYER);
12080 if(appData.serverMovesName != NULL) {
12081 /* [HGM] prepare to make moves file for broadcasting */
12082 clock_t t = clock();
12083 if(serverMoves != NULL) fclose(serverMoves);
12084 serverMoves = fopen(appData.serverMovesName, "r");
12085 if(serverMoves != NULL) {
12086 fclose(serverMoves);
12087 /* delay 15 sec before overwriting, so all clients can see end */
12088 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
12090 serverMoves = fopen(appData.serverMovesName, "w");
12094 gameMode = BeginningOfGame;
12096 if(appData.icsActive) gameInfo.variant = VariantNormal;
12097 currentMove = forwardMostMove = backwardMostMove = 0;
12098 MarkTargetSquares(1);
12099 InitPosition(redraw);
12100 for (i = 0; i < MAX_MOVES; i++) {
12101 if (commentList[i] != NULL) {
12102 free(commentList[i]);
12103 commentList[i] = NULL;
12107 timeRemaining[0][0] = whiteTimeRemaining;
12108 timeRemaining[1][0] = blackTimeRemaining;
12110 if (first.pr == NoProc) {
12111 StartChessProgram(&first);
12114 InitChessProgram(&first, startedFromSetupPosition);
12117 DisplayMessage("", "");
12118 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12119 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
12120 ClearMap(); // [HGM] exclude: invalidate map
12124 AutoPlayGameLoop ()
12127 if (!AutoPlayOneMove())
12129 if (matchMode || appData.timeDelay == 0)
12131 if (appData.timeDelay < 0)
12133 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
12141 ReloadGame(1); // next game
12147 int fromX, fromY, toX, toY;
12149 if (appData.debugMode) {
12150 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
12153 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
12156 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
12157 pvInfoList[currentMove].depth = programStats.depth;
12158 pvInfoList[currentMove].score = programStats.score;
12159 pvInfoList[currentMove].time = 0;
12160 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
12161 else { // append analysis of final position as comment
12163 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
12164 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
12166 programStats.depth = 0;
12169 if (currentMove >= forwardMostMove) {
12170 if(gameMode == AnalyzeFile) {
12171 if(appData.loadGameIndex == -1) {
12172 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
12173 ScheduleDelayedEvent(AnalyzeNextGame, 10);
12175 ExitAnalyzeMode(); SendToProgram("force\n", &first);
12178 // gameMode = EndOfGame;
12179 // ModeHighlight();
12181 /* [AS] Clear current move marker at the end of a game */
12182 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
12187 toX = moveList[currentMove][2] - AAA;
12188 toY = moveList[currentMove][3] - ONE;
12190 if (moveList[currentMove][1] == '@') {
12191 if (appData.highlightLastMove) {
12192 SetHighlights(-1, -1, toX, toY);
12195 fromX = moveList[currentMove][0] - AAA;
12196 fromY = moveList[currentMove][1] - ONE;
12198 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
12200 if(moveList[currentMove][4] == ';') { // multi-leg
12201 killX = moveList[currentMove][5] - AAA;
12202 killY = moveList[currentMove][6] - ONE;
12204 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12205 killX = killY = -1;
12207 if (appData.highlightLastMove) {
12208 SetHighlights(fromX, fromY, toX, toY);
12211 DisplayMove(currentMove);
12212 SendMoveToProgram(currentMove++, &first);
12213 DisplayBothClocks();
12214 DrawPosition(FALSE, boards[currentMove]);
12215 // [HGM] PV info: always display, routine tests if empty
12216 DisplayComment(currentMove - 1, commentList[currentMove]);
12222 LoadGameOneMove (ChessMove readAhead)
12224 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12225 char promoChar = NULLCHAR;
12226 ChessMove moveType;
12227 char move[MSG_SIZ];
12230 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12231 gameMode != AnalyzeMode && gameMode != Training) {
12236 yyboardindex = forwardMostMove;
12237 if (readAhead != EndOfFile) {
12238 moveType = readAhead;
12240 if (gameFileFP == NULL)
12242 moveType = (ChessMove) Myylex();
12246 switch (moveType) {
12248 if (appData.debugMode)
12249 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12252 /* append the comment but don't display it */
12253 AppendComment(currentMove, p, FALSE);
12256 case WhiteCapturesEnPassant:
12257 case BlackCapturesEnPassant:
12258 case WhitePromotion:
12259 case BlackPromotion:
12260 case WhiteNonPromotion:
12261 case BlackNonPromotion:
12264 case WhiteKingSideCastle:
12265 case WhiteQueenSideCastle:
12266 case BlackKingSideCastle:
12267 case BlackQueenSideCastle:
12268 case WhiteKingSideCastleWild:
12269 case WhiteQueenSideCastleWild:
12270 case BlackKingSideCastleWild:
12271 case BlackQueenSideCastleWild:
12273 case WhiteHSideCastleFR:
12274 case WhiteASideCastleFR:
12275 case BlackHSideCastleFR:
12276 case BlackASideCastleFR:
12278 if (appData.debugMode)
12279 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12280 fromX = currentMoveString[0] - AAA;
12281 fromY = currentMoveString[1] - ONE;
12282 toX = currentMoveString[2] - AAA;
12283 toY = currentMoveString[3] - ONE;
12284 promoChar = currentMoveString[4];
12285 if(promoChar == ';') promoChar = currentMoveString[7];
12290 if (appData.debugMode)
12291 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12292 fromX = moveType == WhiteDrop ?
12293 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12294 (int) CharToPiece(ToLower(currentMoveString[0]));
12296 toX = currentMoveString[2] - AAA;
12297 toY = currentMoveString[3] - ONE;
12303 case GameUnfinished:
12304 if (appData.debugMode)
12305 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12306 p = strchr(yy_text, '{');
12307 if (p == NULL) p = strchr(yy_text, '(');
12310 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12312 q = strchr(p, *p == '{' ? '}' : ')');
12313 if (q != NULL) *q = NULLCHAR;
12316 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12317 GameEnds(moveType, p, GE_FILE);
12319 if (cmailMsgLoaded) {
12321 flipView = WhiteOnMove(currentMove);
12322 if (moveType == GameUnfinished) flipView = !flipView;
12323 if (appData.debugMode)
12324 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12329 if (appData.debugMode)
12330 fprintf(debugFP, "Parser hit end of file\n");
12331 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12337 if (WhiteOnMove(currentMove)) {
12338 GameEnds(BlackWins, "Black mates", GE_FILE);
12340 GameEnds(WhiteWins, "White mates", GE_FILE);
12344 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12350 case MoveNumberOne:
12351 if (lastLoadGameStart == GNUChessGame) {
12352 /* GNUChessGames have numbers, but they aren't move numbers */
12353 if (appData.debugMode)
12354 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12355 yy_text, (int) moveType);
12356 return LoadGameOneMove(EndOfFile); /* tail recursion */
12358 /* else fall thru */
12363 /* Reached start of next game in file */
12364 if (appData.debugMode)
12365 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12366 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12372 if (WhiteOnMove(currentMove)) {
12373 GameEnds(BlackWins, "Black mates", GE_FILE);
12375 GameEnds(WhiteWins, "White mates", GE_FILE);
12379 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12385 case PositionDiagram: /* should not happen; ignore */
12386 case ElapsedTime: /* ignore */
12387 case NAG: /* ignore */
12388 if (appData.debugMode)
12389 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12390 yy_text, (int) moveType);
12391 return LoadGameOneMove(EndOfFile); /* tail recursion */
12394 if (appData.testLegality) {
12395 if (appData.debugMode)
12396 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12397 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12398 (forwardMostMove / 2) + 1,
12399 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12400 DisplayError(move, 0);
12403 if (appData.debugMode)
12404 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12405 yy_text, currentMoveString);
12406 if(currentMoveString[1] == '@') {
12407 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12410 fromX = currentMoveString[0] - AAA;
12411 fromY = currentMoveString[1] - ONE;
12413 toX = currentMoveString[2] - AAA;
12414 toY = currentMoveString[3] - ONE;
12415 promoChar = currentMoveString[4];
12419 case AmbiguousMove:
12420 if (appData.debugMode)
12421 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12422 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12423 (forwardMostMove / 2) + 1,
12424 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12425 DisplayError(move, 0);
12430 case ImpossibleMove:
12431 if (appData.debugMode)
12432 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12433 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12434 (forwardMostMove / 2) + 1,
12435 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12436 DisplayError(move, 0);
12442 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12443 DrawPosition(FALSE, boards[currentMove]);
12444 DisplayBothClocks();
12445 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12446 DisplayComment(currentMove - 1, commentList[currentMove]);
12448 (void) StopLoadGameTimer();
12450 cmailOldMove = forwardMostMove;
12453 /* currentMoveString is set as a side-effect of yylex */
12455 thinkOutput[0] = NULLCHAR;
12456 MakeMove(fromX, fromY, toX, toY, promoChar);
12457 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
12458 currentMove = forwardMostMove;
12463 /* Load the nth game from the given file */
12465 LoadGameFromFile (char *filename, int n, char *title, int useList)
12470 if (strcmp(filename, "-") == 0) {
12474 f = fopen(filename, "rb");
12476 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12477 DisplayError(buf, errno);
12481 if (fseek(f, 0, 0) == -1) {
12482 /* f is not seekable; probably a pipe */
12485 if (useList && n == 0) {
12486 int error = GameListBuild(f);
12488 DisplayError(_("Cannot build game list"), error);
12489 } else if (!ListEmpty(&gameList) &&
12490 ((ListGame *) gameList.tailPred)->number > 1) {
12491 GameListPopUp(f, title);
12498 return LoadGame(f, n, title, FALSE);
12503 MakeRegisteredMove ()
12505 int fromX, fromY, toX, toY;
12507 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12508 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12511 if (appData.debugMode)
12512 fprintf(debugFP, "Restoring %s for game %d\n",
12513 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12515 thinkOutput[0] = NULLCHAR;
12516 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12517 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12518 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12519 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12520 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12521 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12522 MakeMove(fromX, fromY, toX, toY, promoChar);
12523 ShowMove(fromX, fromY, toX, toY);
12525 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12532 if (WhiteOnMove(currentMove)) {
12533 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12535 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12540 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12547 if (WhiteOnMove(currentMove)) {
12548 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12550 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12555 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12566 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12568 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12572 if (gameNumber > nCmailGames) {
12573 DisplayError(_("No more games in this message"), 0);
12576 if (f == lastLoadGameFP) {
12577 int offset = gameNumber - lastLoadGameNumber;
12579 cmailMsg[0] = NULLCHAR;
12580 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12581 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12582 nCmailMovesRegistered--;
12584 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12585 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12586 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12589 if (! RegisterMove()) return FALSE;
12593 retVal = LoadGame(f, gameNumber, title, useList);
12595 /* Make move registered during previous look at this game, if any */
12596 MakeRegisteredMove();
12598 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12599 commentList[currentMove]
12600 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12601 DisplayComment(currentMove - 1, commentList[currentMove]);
12607 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12609 ReloadGame (int offset)
12611 int gameNumber = lastLoadGameNumber + offset;
12612 if (lastLoadGameFP == NULL) {
12613 DisplayError(_("No game has been loaded yet"), 0);
12616 if (gameNumber <= 0) {
12617 DisplayError(_("Can't back up any further"), 0);
12620 if (cmailMsgLoaded) {
12621 return CmailLoadGame(lastLoadGameFP, gameNumber,
12622 lastLoadGameTitle, lastLoadGameUseList);
12624 return LoadGame(lastLoadGameFP, gameNumber,
12625 lastLoadGameTitle, lastLoadGameUseList);
12629 int keys[EmptySquare+1];
12632 PositionMatches (Board b1, Board b2)
12635 switch(appData.searchMode) {
12636 case 1: return CompareWithRights(b1, b2);
12638 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12639 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12643 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12644 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12645 sum += keys[b1[r][f]] - keys[b2[r][f]];
12649 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12650 sum += keys[b1[r][f]] - keys[b2[r][f]];
12662 int pieceList[256], quickBoard[256];
12663 ChessSquare pieceType[256] = { EmptySquare };
12664 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12665 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12666 int soughtTotal, turn;
12667 Boolean epOK, flipSearch;
12670 unsigned char piece, to;
12673 #define DSIZE (250000)
12675 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12676 Move *moveDatabase = initialSpace;
12677 unsigned int movePtr, dataSize = DSIZE;
12680 MakePieceList (Board board, int *counts)
12682 int r, f, n=Q_PROMO, total=0;
12683 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12684 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12685 int sq = f + (r<<4);
12686 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12687 quickBoard[sq] = ++n;
12689 pieceType[n] = board[r][f];
12690 counts[board[r][f]]++;
12691 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12692 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12696 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12701 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12703 int sq = fromX + (fromY<<4);
12704 int piece = quickBoard[sq], rook;
12705 quickBoard[sq] = 0;
12706 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12707 if(piece == pieceList[1] && fromY == toY) {
12708 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12709 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12710 moveDatabase[movePtr++].piece = Q_WCASTL;
12711 quickBoard[sq] = piece;
12712 piece = quickBoard[from]; quickBoard[from] = 0;
12713 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12714 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12715 quickBoard[sq] = 0; // remove Rook
12716 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12717 moveDatabase[movePtr++].piece = Q_WCASTL;
12718 quickBoard[sq] = pieceList[1]; // put King
12720 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12723 if(piece == pieceList[2] && fromY == toY) {
12724 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12725 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12726 moveDatabase[movePtr++].piece = Q_BCASTL;
12727 quickBoard[sq] = piece;
12728 piece = quickBoard[from]; quickBoard[from] = 0;
12729 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12730 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12731 quickBoard[sq] = 0; // remove Rook
12732 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12733 moveDatabase[movePtr++].piece = Q_BCASTL;
12734 quickBoard[sq] = pieceList[2]; // put King
12736 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12739 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12740 quickBoard[(fromY<<4)+toX] = 0;
12741 moveDatabase[movePtr].piece = Q_EP;
12742 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12743 moveDatabase[movePtr].to = sq;
12745 if(promoPiece != pieceType[piece]) {
12746 moveDatabase[movePtr++].piece = Q_PROMO;
12747 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12749 moveDatabase[movePtr].piece = piece;
12750 quickBoard[sq] = piece;
12755 PackGame (Board board)
12757 Move *newSpace = NULL;
12758 moveDatabase[movePtr].piece = 0; // terminate previous game
12759 if(movePtr > dataSize) {
12760 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12761 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12762 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12765 Move *p = moveDatabase, *q = newSpace;
12766 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12767 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12768 moveDatabase = newSpace;
12769 } else { // calloc failed, we must be out of memory. Too bad...
12770 dataSize = 0; // prevent calloc events for all subsequent games
12771 return 0; // and signal this one isn't cached
12775 MakePieceList(board, counts);
12780 QuickCompare (Board board, int *minCounts, int *maxCounts)
12781 { // compare according to search mode
12783 switch(appData.searchMode)
12785 case 1: // exact position match
12786 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12787 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12788 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12791 case 2: // can have extra material on empty squares
12792 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12793 if(board[r][f] == EmptySquare) continue;
12794 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12797 case 3: // material with exact Pawn structure
12798 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12799 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12800 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12801 } // fall through to material comparison
12802 case 4: // exact material
12803 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12805 case 6: // material range with given imbalance
12806 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12807 // fall through to range comparison
12808 case 5: // material range
12809 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12815 QuickScan (Board board, Move *move)
12816 { // reconstruct game,and compare all positions in it
12817 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12819 int piece = move->piece;
12820 int to = move->to, from = pieceList[piece];
12821 if(found < 0) { // if already found just scan to game end for final piece count
12822 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12823 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12824 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12825 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12827 static int lastCounts[EmptySquare+1];
12829 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12830 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12831 } else stretch = 0;
12832 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12833 if(found >= 0 && !appData.minPieces) return found;
12835 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12836 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12837 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12838 piece = (++move)->piece;
12839 from = pieceList[piece];
12840 counts[pieceType[piece]]--;
12841 pieceType[piece] = (ChessSquare) move->to;
12842 counts[move->to]++;
12843 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12844 counts[pieceType[quickBoard[to]]]--;
12845 quickBoard[to] = 0; total--;
12848 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12849 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12850 from = pieceList[piece]; // so this must be King
12851 quickBoard[from] = 0;
12852 pieceList[piece] = to;
12853 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12854 quickBoard[from] = 0; // rook
12855 quickBoard[to] = piece;
12856 to = move->to; piece = move->piece;
12860 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12861 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12862 quickBoard[from] = 0;
12864 quickBoard[to] = piece;
12865 pieceList[piece] = to;
12875 flipSearch = FALSE;
12876 CopyBoard(soughtBoard, boards[currentMove]);
12877 soughtTotal = MakePieceList(soughtBoard, maxSought);
12878 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12879 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12880 CopyBoard(reverseBoard, boards[currentMove]);
12881 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12882 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12883 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12884 reverseBoard[r][f] = piece;
12886 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12887 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12888 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12889 || (boards[currentMove][CASTLING][2] == NoRights ||
12890 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12891 && (boards[currentMove][CASTLING][5] == NoRights ||
12892 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12895 CopyBoard(flipBoard, soughtBoard);
12896 CopyBoard(rotateBoard, reverseBoard);
12897 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12898 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12899 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12902 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12903 if(appData.searchMode >= 5) {
12904 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12905 MakePieceList(soughtBoard, minSought);
12906 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12908 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12909 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12912 GameInfo dummyInfo;
12913 static int creatingBook;
12916 GameContainsPosition (FILE *f, ListGame *lg)
12918 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12919 int fromX, fromY, toX, toY;
12921 static int initDone=FALSE;
12923 // weed out games based on numerical tag comparison
12924 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12925 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12926 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12927 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12929 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12932 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12933 else CopyBoard(boards[scratch], initialPosition); // default start position
12936 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12937 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12940 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12941 fseek(f, lg->offset, 0);
12944 yyboardindex = scratch;
12945 quickFlag = plyNr+1;
12950 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12956 if(plyNr) return -1; // after we have seen moves, this is for new game
12959 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12960 case ImpossibleMove:
12961 case WhiteWins: // game ends here with these four
12964 case GameUnfinished:
12968 if(appData.testLegality) return -1;
12969 case WhiteCapturesEnPassant:
12970 case BlackCapturesEnPassant:
12971 case WhitePromotion:
12972 case BlackPromotion:
12973 case WhiteNonPromotion:
12974 case BlackNonPromotion:
12977 case WhiteKingSideCastle:
12978 case WhiteQueenSideCastle:
12979 case BlackKingSideCastle:
12980 case BlackQueenSideCastle:
12981 case WhiteKingSideCastleWild:
12982 case WhiteQueenSideCastleWild:
12983 case BlackKingSideCastleWild:
12984 case BlackQueenSideCastleWild:
12985 case WhiteHSideCastleFR:
12986 case WhiteASideCastleFR:
12987 case BlackHSideCastleFR:
12988 case BlackASideCastleFR:
12989 fromX = currentMoveString[0] - AAA;
12990 fromY = currentMoveString[1] - ONE;
12991 toX = currentMoveString[2] - AAA;
12992 toY = currentMoveString[3] - ONE;
12993 promoChar = currentMoveString[4];
12997 fromX = next == WhiteDrop ?
12998 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12999 (int) CharToPiece(ToLower(currentMoveString[0]));
13001 toX = currentMoveString[2] - AAA;
13002 toY = currentMoveString[3] - ONE;
13006 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
13008 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
13009 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
13010 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
13011 if(appData.findMirror) {
13012 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
13013 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
13018 /* Load the nth game from open file f */
13020 LoadGame (FILE *f, int gameNumber, char *title, int useList)
13024 int gn = gameNumber;
13025 ListGame *lg = NULL;
13026 int numPGNTags = 0, i;
13028 GameMode oldGameMode;
13029 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
13030 char oldName[MSG_SIZ];
13032 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
13034 if (appData.debugMode)
13035 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
13037 if (gameMode == Training )
13038 SetTrainingModeOff();
13040 oldGameMode = gameMode;
13041 if (gameMode != BeginningOfGame) {
13042 Reset(FALSE, TRUE);
13044 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: in case we did not Reset
13047 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
13048 fclose(lastLoadGameFP);
13052 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
13055 fseek(f, lg->offset, 0);
13056 GameListHighlight(gameNumber);
13057 pos = lg->position;
13061 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
13062 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
13064 DisplayError(_("Game number out of range"), 0);
13069 if (fseek(f, 0, 0) == -1) {
13070 if (f == lastLoadGameFP ?
13071 gameNumber == lastLoadGameNumber + 1 :
13075 DisplayError(_("Can't seek on game file"), 0);
13080 lastLoadGameFP = f;
13081 lastLoadGameNumber = gameNumber;
13082 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
13083 lastLoadGameUseList = useList;
13087 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
13088 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
13089 lg->gameInfo.black);
13091 } else if (*title != NULLCHAR) {
13092 if (gameNumber > 1) {
13093 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
13096 DisplayTitle(title);
13100 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
13101 gameMode = PlayFromGameFile;
13105 currentMove = forwardMostMove = backwardMostMove = 0;
13106 CopyBoard(boards[0], initialPosition);
13110 * Skip the first gn-1 games in the file.
13111 * Also skip over anything that precedes an identifiable
13112 * start of game marker, to avoid being confused by
13113 * garbage at the start of the file. Currently
13114 * recognized start of game markers are the move number "1",
13115 * the pattern "gnuchess .* game", the pattern
13116 * "^[#;%] [^ ]* game file", and a PGN tag block.
13117 * A game that starts with one of the latter two patterns
13118 * will also have a move number 1, possibly
13119 * following a position diagram.
13120 * 5-4-02: Let's try being more lenient and allowing a game to
13121 * start with an unnumbered move. Does that break anything?
13123 cm = lastLoadGameStart = EndOfFile;
13125 yyboardindex = forwardMostMove;
13126 cm = (ChessMove) Myylex();
13129 if (cmailMsgLoaded) {
13130 nCmailGames = CMAIL_MAX_GAMES - gn;
13133 DisplayError(_("Game not found in file"), 0);
13140 lastLoadGameStart = cm;
13143 case MoveNumberOne:
13144 switch (lastLoadGameStart) {
13149 case MoveNumberOne:
13151 gn--; /* count this game */
13152 lastLoadGameStart = cm;
13161 switch (lastLoadGameStart) {
13164 case MoveNumberOne:
13166 gn--; /* count this game */
13167 lastLoadGameStart = cm;
13170 lastLoadGameStart = cm; /* game counted already */
13178 yyboardindex = forwardMostMove;
13179 cm = (ChessMove) Myylex();
13180 } while (cm == PGNTag || cm == Comment);
13187 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
13188 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
13189 != CMAIL_OLD_RESULT) {
13191 cmailResult[ CMAIL_MAX_GAMES
13192 - gn - 1] = CMAIL_OLD_RESULT;
13199 /* Only a NormalMove can be at the start of a game
13200 * without a position diagram. */
13201 if (lastLoadGameStart == EndOfFile ) {
13203 lastLoadGameStart = MoveNumberOne;
13212 if (appData.debugMode)
13213 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13215 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; } // reset VariantMen
13217 if (cm == XBoardGame) {
13218 /* Skip any header junk before position diagram and/or move 1 */
13220 yyboardindex = forwardMostMove;
13221 cm = (ChessMove) Myylex();
13223 if (cm == EndOfFile ||
13224 cm == GNUChessGame || cm == XBoardGame) {
13225 /* Empty game; pretend end-of-file and handle later */
13230 if (cm == MoveNumberOne || cm == PositionDiagram ||
13231 cm == PGNTag || cm == Comment)
13234 } else if (cm == GNUChessGame) {
13235 if (gameInfo.event != NULL) {
13236 free(gameInfo.event);
13238 gameInfo.event = StrSave(yy_text);
13241 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13242 while (cm == PGNTag) {
13243 if (appData.debugMode)
13244 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13245 err = ParsePGNTag(yy_text, &gameInfo);
13246 if (!err) numPGNTags++;
13248 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13249 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13250 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13251 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13252 InitPosition(TRUE);
13253 oldVariant = gameInfo.variant;
13254 if (appData.debugMode)
13255 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13259 if (gameInfo.fen != NULL) {
13260 Board initial_position;
13261 startedFromSetupPosition = TRUE;
13262 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13264 DisplayError(_("Bad FEN position in file"), 0);
13267 CopyBoard(boards[0], initial_position);
13268 if(*engineVariant || gameInfo.variant == VariantFairy) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13269 CopyBoard(initialPosition, initial_position);
13270 if (blackPlaysFirst) {
13271 currentMove = forwardMostMove = backwardMostMove = 1;
13272 CopyBoard(boards[1], initial_position);
13273 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13274 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13275 timeRemaining[0][1] = whiteTimeRemaining;
13276 timeRemaining[1][1] = blackTimeRemaining;
13277 if (commentList[0] != NULL) {
13278 commentList[1] = commentList[0];
13279 commentList[0] = NULL;
13282 currentMove = forwardMostMove = backwardMostMove = 0;
13284 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13286 initialRulePlies = FENrulePlies;
13287 for( i=0; i< nrCastlingRights; i++ )
13288 initialRights[i] = initial_position[CASTLING][i];
13290 yyboardindex = forwardMostMove;
13291 free(gameInfo.fen);
13292 gameInfo.fen = NULL;
13295 yyboardindex = forwardMostMove;
13296 cm = (ChessMove) Myylex();
13298 /* Handle comments interspersed among the tags */
13299 while (cm == Comment) {
13301 if (appData.debugMode)
13302 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13304 AppendComment(currentMove, p, FALSE);
13305 yyboardindex = forwardMostMove;
13306 cm = (ChessMove) Myylex();
13310 /* don't rely on existence of Event tag since if game was
13311 * pasted from clipboard the Event tag may not exist
13313 if (numPGNTags > 0){
13315 if (gameInfo.variant == VariantNormal) {
13316 VariantClass v = StringToVariant(gameInfo.event);
13317 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13318 if(v < VariantShogi) gameInfo.variant = v;
13321 if( appData.autoDisplayTags ) {
13322 tags = PGNTags(&gameInfo);
13323 TagsPopUp(tags, CmailMsg());
13328 /* Make something up, but don't display it now */
13333 if (cm == PositionDiagram) {
13336 Board initial_position;
13338 if (appData.debugMode)
13339 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13341 if (!startedFromSetupPosition) {
13343 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13344 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13355 initial_position[i][j++] = CharToPiece(*p);
13358 while (*p == ' ' || *p == '\t' ||
13359 *p == '\n' || *p == '\r') p++;
13361 if (strncmp(p, "black", strlen("black"))==0)
13362 blackPlaysFirst = TRUE;
13364 blackPlaysFirst = FALSE;
13365 startedFromSetupPosition = TRUE;
13367 CopyBoard(boards[0], initial_position);
13368 if (blackPlaysFirst) {
13369 currentMove = forwardMostMove = backwardMostMove = 1;
13370 CopyBoard(boards[1], initial_position);
13371 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13372 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13373 timeRemaining[0][1] = whiteTimeRemaining;
13374 timeRemaining[1][1] = blackTimeRemaining;
13375 if (commentList[0] != NULL) {
13376 commentList[1] = commentList[0];
13377 commentList[0] = NULL;
13380 currentMove = forwardMostMove = backwardMostMove = 0;
13383 yyboardindex = forwardMostMove;
13384 cm = (ChessMove) Myylex();
13387 if(!creatingBook) {
13388 if (first.pr == NoProc) {
13389 StartChessProgram(&first);
13391 InitChessProgram(&first, FALSE);
13392 if(gameInfo.variant == VariantUnknown && *oldName) {
13393 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13394 gameInfo.variant = v;
13396 SendToProgram("force\n", &first);
13397 if (startedFromSetupPosition) {
13398 SendBoard(&first, forwardMostMove);
13399 if (appData.debugMode) {
13400 fprintf(debugFP, "Load Game\n");
13402 DisplayBothClocks();
13406 /* [HGM] server: flag to write setup moves in broadcast file as one */
13407 loadFlag = appData.suppressLoadMoves;
13409 while (cm == Comment) {
13411 if (appData.debugMode)
13412 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13414 AppendComment(currentMove, p, FALSE);
13415 yyboardindex = forwardMostMove;
13416 cm = (ChessMove) Myylex();
13419 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13420 cm == WhiteWins || cm == BlackWins ||
13421 cm == GameIsDrawn || cm == GameUnfinished) {
13422 DisplayMessage("", _("No moves in game"));
13423 if (cmailMsgLoaded) {
13424 if (appData.debugMode)
13425 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13429 DrawPosition(FALSE, boards[currentMove]);
13430 DisplayBothClocks();
13431 gameMode = EditGame;
13438 // [HGM] PV info: routine tests if comment empty
13439 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13440 DisplayComment(currentMove - 1, commentList[currentMove]);
13442 if (!matchMode && appData.timeDelay != 0)
13443 DrawPosition(FALSE, boards[currentMove]);
13445 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13446 programStats.ok_to_send = 1;
13449 /* if the first token after the PGN tags is a move
13450 * and not move number 1, retrieve it from the parser
13452 if (cm != MoveNumberOne)
13453 LoadGameOneMove(cm);
13455 /* load the remaining moves from the file */
13456 while (LoadGameOneMove(EndOfFile)) {
13457 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13458 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13461 /* rewind to the start of the game */
13462 currentMove = backwardMostMove;
13464 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13466 if (oldGameMode == AnalyzeFile) {
13467 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13468 AnalyzeFileEvent();
13470 if (oldGameMode == AnalyzeMode) {
13471 AnalyzeFileEvent();
13474 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13475 long int w, b; // [HGM] adjourn: restore saved clock times
13476 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13477 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13478 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13479 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13483 if(creatingBook) return TRUE;
13484 if (!matchMode && pos > 0) {
13485 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13487 if (matchMode || appData.timeDelay == 0) {
13489 } else if (appData.timeDelay > 0) {
13490 AutoPlayGameLoop();
13493 if (appData.debugMode)
13494 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13496 loadFlag = 0; /* [HGM] true game starts */
13500 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13502 ReloadPosition (int offset)
13504 int positionNumber = lastLoadPositionNumber + offset;
13505 if (lastLoadPositionFP == NULL) {
13506 DisplayError(_("No position has been loaded yet"), 0);
13509 if (positionNumber <= 0) {
13510 DisplayError(_("Can't back up any further"), 0);
13513 return LoadPosition(lastLoadPositionFP, positionNumber,
13514 lastLoadPositionTitle);
13517 /* Load the nth position from the given file */
13519 LoadPositionFromFile (char *filename, int n, char *title)
13524 if (strcmp(filename, "-") == 0) {
13525 return LoadPosition(stdin, n, "stdin");
13527 f = fopen(filename, "rb");
13529 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13530 DisplayError(buf, errno);
13533 return LoadPosition(f, n, title);
13538 /* Load the nth position from the given open file, and close it */
13540 LoadPosition (FILE *f, int positionNumber, char *title)
13542 char *p, line[MSG_SIZ];
13543 Board initial_position;
13544 int i, j, fenMode, pn;
13546 if (gameMode == Training )
13547 SetTrainingModeOff();
13549 if (gameMode != BeginningOfGame) {
13550 Reset(FALSE, TRUE);
13552 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13553 fclose(lastLoadPositionFP);
13555 if (positionNumber == 0) positionNumber = 1;
13556 lastLoadPositionFP = f;
13557 lastLoadPositionNumber = positionNumber;
13558 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13559 if (first.pr == NoProc && !appData.noChessProgram) {
13560 StartChessProgram(&first);
13561 InitChessProgram(&first, FALSE);
13563 pn = positionNumber;
13564 if (positionNumber < 0) {
13565 /* Negative position number means to seek to that byte offset */
13566 if (fseek(f, -positionNumber, 0) == -1) {
13567 DisplayError(_("Can't seek on position file"), 0);
13572 if (fseek(f, 0, 0) == -1) {
13573 if (f == lastLoadPositionFP ?
13574 positionNumber == lastLoadPositionNumber + 1 :
13575 positionNumber == 1) {
13578 DisplayError(_("Can't seek on position file"), 0);
13583 /* See if this file is FEN or old-style xboard */
13584 if (fgets(line, MSG_SIZ, f) == NULL) {
13585 DisplayError(_("Position not found in file"), 0);
13588 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13589 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13592 if (fenMode || line[0] == '#') pn--;
13594 /* skip positions before number pn */
13595 if (fgets(line, MSG_SIZ, f) == NULL) {
13597 DisplayError(_("Position not found in file"), 0);
13600 if (fenMode || line[0] == '#') pn--;
13606 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13607 DisplayError(_("Bad FEN position in file"), 0);
13610 if((strchr(line, ';')) && (p = strstr(line, " bm "))) { // EPD with best move
13611 sscanf(p+4, "%[^;]", bestMove);
13612 } else *bestMove = NULLCHAR;
13613 if((strchr(line, ';')) && (p = strstr(line, " am "))) { // EPD with avoid move
13614 sscanf(p+4, "%[^;]", avoidMove);
13615 } else *avoidMove = NULLCHAR;
13617 (void) fgets(line, MSG_SIZ, f);
13618 (void) fgets(line, MSG_SIZ, f);
13620 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13621 (void) fgets(line, MSG_SIZ, f);
13622 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13625 initial_position[i][j++] = CharToPiece(*p);
13629 blackPlaysFirst = FALSE;
13631 (void) fgets(line, MSG_SIZ, f);
13632 if (strncmp(line, "black", strlen("black"))==0)
13633 blackPlaysFirst = TRUE;
13636 startedFromSetupPosition = TRUE;
13638 CopyBoard(boards[0], initial_position);
13639 if (blackPlaysFirst) {
13640 currentMove = forwardMostMove = backwardMostMove = 1;
13641 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13642 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13643 CopyBoard(boards[1], initial_position);
13644 DisplayMessage("", _("Black to play"));
13646 currentMove = forwardMostMove = backwardMostMove = 0;
13647 DisplayMessage("", _("White to play"));
13649 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13650 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13651 SendToProgram("force\n", &first);
13652 SendBoard(&first, forwardMostMove);
13654 if (appData.debugMode) {
13656 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13657 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13658 fprintf(debugFP, "Load Position\n");
13661 if (positionNumber > 1) {
13662 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13663 DisplayTitle(line);
13665 DisplayTitle(title);
13667 gameMode = EditGame;
13670 timeRemaining[0][1] = whiteTimeRemaining;
13671 timeRemaining[1][1] = blackTimeRemaining;
13672 DrawPosition(FALSE, boards[currentMove]);
13679 CopyPlayerNameIntoFileName (char **dest, char *src)
13681 while (*src != NULLCHAR && *src != ',') {
13686 *(*dest)++ = *src++;
13692 DefaultFileName (char *ext)
13694 static char def[MSG_SIZ];
13697 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13699 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13701 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13703 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13710 /* Save the current game to the given file */
13712 SaveGameToFile (char *filename, int append)
13716 int result, i, t,tot=0;
13718 if (strcmp(filename, "-") == 0) {
13719 return SaveGame(stdout, 0, NULL);
13721 for(i=0; i<10; i++) { // upto 10 tries
13722 f = fopen(filename, append ? "a" : "w");
13723 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13724 if(f || errno != 13) break;
13725 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13729 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13730 DisplayError(buf, errno);
13733 safeStrCpy(buf, lastMsg, MSG_SIZ);
13734 DisplayMessage(_("Waiting for access to save file"), "");
13735 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13736 DisplayMessage(_("Saving game"), "");
13737 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13738 result = SaveGame(f, 0, NULL);
13739 DisplayMessage(buf, "");
13746 SavePart (char *str)
13748 static char buf[MSG_SIZ];
13751 p = strchr(str, ' ');
13752 if (p == NULL) return str;
13753 strncpy(buf, str, p - str);
13754 buf[p - str] = NULLCHAR;
13758 #define PGN_MAX_LINE 75
13760 #define PGN_SIDE_WHITE 0
13761 #define PGN_SIDE_BLACK 1
13764 FindFirstMoveOutOfBook (int side)
13768 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13769 int index = backwardMostMove;
13770 int has_book_hit = 0;
13772 if( (index % 2) != side ) {
13776 while( index < forwardMostMove ) {
13777 /* Check to see if engine is in book */
13778 int depth = pvInfoList[index].depth;
13779 int score = pvInfoList[index].score;
13785 else if( score == 0 && depth == 63 ) {
13786 in_book = 1; /* Zappa */
13788 else if( score == 2 && depth == 99 ) {
13789 in_book = 1; /* Abrok */
13792 has_book_hit += in_book;
13808 GetOutOfBookInfo (char * buf)
13812 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13814 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13815 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13819 if( oob[0] >= 0 || oob[1] >= 0 ) {
13820 for( i=0; i<2; i++ ) {
13824 if( i > 0 && oob[0] >= 0 ) {
13825 strcat( buf, " " );
13828 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13829 sprintf( buf+strlen(buf), "%s%.2f",
13830 pvInfoList[idx].score >= 0 ? "+" : "",
13831 pvInfoList[idx].score / 100.0 );
13837 /* Save game in PGN style */
13839 SaveGamePGN2 (FILE *f)
13841 int i, offset, linelen, newblock;
13844 int movelen, numlen, blank;
13845 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13847 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13849 PrintPGNTags(f, &gameInfo);
13851 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13853 if (backwardMostMove > 0 || startedFromSetupPosition) {
13854 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13855 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13856 fprintf(f, "\n{--------------\n");
13857 PrintPosition(f, backwardMostMove);
13858 fprintf(f, "--------------}\n");
13862 /* [AS] Out of book annotation */
13863 if( appData.saveOutOfBookInfo ) {
13866 GetOutOfBookInfo( buf );
13868 if( buf[0] != '\0' ) {
13869 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13876 i = backwardMostMove;
13880 while (i < forwardMostMove) {
13881 /* Print comments preceding this move */
13882 if (commentList[i] != NULL) {
13883 if (linelen > 0) fprintf(f, "\n");
13884 fprintf(f, "%s", commentList[i]);
13889 /* Format move number */
13891 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13894 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13896 numtext[0] = NULLCHAR;
13898 numlen = strlen(numtext);
13901 /* Print move number */
13902 blank = linelen > 0 && numlen > 0;
13903 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13912 fprintf(f, "%s", numtext);
13916 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13917 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13920 blank = linelen > 0 && movelen > 0;
13921 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13930 fprintf(f, "%s", move_buffer);
13931 linelen += movelen;
13933 /* [AS] Add PV info if present */
13934 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13935 /* [HGM] add time */
13936 char buf[MSG_SIZ]; int seconds;
13938 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13944 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13947 seconds = (seconds + 4)/10; // round to full seconds
13949 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13951 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13954 if(appData.cumulativeTimePGN) {
13955 snprintf(buf, MSG_SIZ, " %+ld", timeRemaining[i & 1][i+1]/1000);
13958 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13959 pvInfoList[i].score >= 0 ? "+" : "",
13960 pvInfoList[i].score / 100.0,
13961 pvInfoList[i].depth,
13964 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13966 /* Print score/depth */
13967 blank = linelen > 0 && movelen > 0;
13968 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13977 fprintf(f, "%s", move_buffer);
13978 linelen += movelen;
13984 /* Start a new line */
13985 if (linelen > 0) fprintf(f, "\n");
13987 /* Print comments after last move */
13988 if (commentList[i] != NULL) {
13989 fprintf(f, "%s\n", commentList[i]);
13993 if (gameInfo.resultDetails != NULL &&
13994 gameInfo.resultDetails[0] != NULLCHAR) {
13995 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13996 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13997 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13998 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13999 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
14001 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14005 /* Save game in PGN style and close the file */
14007 SaveGamePGN (FILE *f)
14011 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14015 /* Save game in old style and close the file */
14017 SaveGameOldStyle (FILE *f)
14022 tm = time((time_t *) NULL);
14024 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
14027 if (backwardMostMove > 0 || startedFromSetupPosition) {
14028 fprintf(f, "\n[--------------\n");
14029 PrintPosition(f, backwardMostMove);
14030 fprintf(f, "--------------]\n");
14035 i = backwardMostMove;
14036 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
14038 while (i < forwardMostMove) {
14039 if (commentList[i] != NULL) {
14040 fprintf(f, "[%s]\n", commentList[i]);
14043 if ((i % 2) == 1) {
14044 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
14047 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
14049 if (commentList[i] != NULL) {
14053 if (i >= forwardMostMove) {
14057 fprintf(f, "%s\n", parseList[i]);
14062 if (commentList[i] != NULL) {
14063 fprintf(f, "[%s]\n", commentList[i]);
14066 /* This isn't really the old style, but it's close enough */
14067 if (gameInfo.resultDetails != NULL &&
14068 gameInfo.resultDetails[0] != NULLCHAR) {
14069 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
14070 gameInfo.resultDetails);
14072 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14079 /* Save the current game to open file f and close the file */
14081 SaveGame (FILE *f, int dummy, char *dummy2)
14083 if (gameMode == EditPosition) EditPositionDone(TRUE);
14084 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14085 if (appData.oldSaveStyle)
14086 return SaveGameOldStyle(f);
14088 return SaveGamePGN(f);
14091 /* Save the current position to the given file */
14093 SavePositionToFile (char *filename)
14098 if (strcmp(filename, "-") == 0) {
14099 return SavePosition(stdout, 0, NULL);
14101 f = fopen(filename, "a");
14103 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
14104 DisplayError(buf, errno);
14107 safeStrCpy(buf, lastMsg, MSG_SIZ);
14108 DisplayMessage(_("Waiting for access to save file"), "");
14109 flock(fileno(f), LOCK_EX); // [HGM] lock
14110 DisplayMessage(_("Saving position"), "");
14111 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
14112 SavePosition(f, 0, NULL);
14113 DisplayMessage(buf, "");
14119 /* Save the current position to the given open file and close the file */
14121 SavePosition (FILE *f, int dummy, char *dummy2)
14126 if (gameMode == EditPosition) EditPositionDone(TRUE);
14127 if (appData.oldSaveStyle) {
14128 tm = time((time_t *) NULL);
14130 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
14132 fprintf(f, "[--------------\n");
14133 PrintPosition(f, currentMove);
14134 fprintf(f, "--------------]\n");
14136 fen = PositionToFEN(currentMove, NULL, 1);
14137 fprintf(f, "%s\n", fen);
14145 ReloadCmailMsgEvent (int unregister)
14148 static char *inFilename = NULL;
14149 static char *outFilename;
14151 struct stat inbuf, outbuf;
14154 /* Any registered moves are unregistered if unregister is set, */
14155 /* i.e. invoked by the signal handler */
14157 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14158 cmailMoveRegistered[i] = FALSE;
14159 if (cmailCommentList[i] != NULL) {
14160 free(cmailCommentList[i]);
14161 cmailCommentList[i] = NULL;
14164 nCmailMovesRegistered = 0;
14167 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14168 cmailResult[i] = CMAIL_NOT_RESULT;
14172 if (inFilename == NULL) {
14173 /* Because the filenames are static they only get malloced once */
14174 /* and they never get freed */
14175 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
14176 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
14178 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
14179 sprintf(outFilename, "%s.out", appData.cmailGameName);
14182 status = stat(outFilename, &outbuf);
14184 cmailMailedMove = FALSE;
14186 status = stat(inFilename, &inbuf);
14187 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
14190 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
14191 counts the games, notes how each one terminated, etc.
14193 It would be nice to remove this kludge and instead gather all
14194 the information while building the game list. (And to keep it
14195 in the game list nodes instead of having a bunch of fixed-size
14196 parallel arrays.) Note this will require getting each game's
14197 termination from the PGN tags, as the game list builder does
14198 not process the game moves. --mann
14200 cmailMsgLoaded = TRUE;
14201 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
14203 /* Load first game in the file or popup game menu */
14204 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
14206 #endif /* !WIN32 */
14214 char string[MSG_SIZ];
14216 if ( cmailMailedMove
14217 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
14218 return TRUE; /* Allow free viewing */
14221 /* Unregister move to ensure that we don't leave RegisterMove */
14222 /* with the move registered when the conditions for registering no */
14224 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14225 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14226 nCmailMovesRegistered --;
14228 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14230 free(cmailCommentList[lastLoadGameNumber - 1]);
14231 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14235 if (cmailOldMove == -1) {
14236 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14240 if (currentMove > cmailOldMove + 1) {
14241 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14245 if (currentMove < cmailOldMove) {
14246 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14250 if (forwardMostMove > currentMove) {
14251 /* Silently truncate extra moves */
14255 if ( (currentMove == cmailOldMove + 1)
14256 || ( (currentMove == cmailOldMove)
14257 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14258 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14259 if (gameInfo.result != GameUnfinished) {
14260 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14263 if (commentList[currentMove] != NULL) {
14264 cmailCommentList[lastLoadGameNumber - 1]
14265 = StrSave(commentList[currentMove]);
14267 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14269 if (appData.debugMode)
14270 fprintf(debugFP, "Saving %s for game %d\n",
14271 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14273 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14275 f = fopen(string, "w");
14276 if (appData.oldSaveStyle) {
14277 SaveGameOldStyle(f); /* also closes the file */
14279 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14280 f = fopen(string, "w");
14281 SavePosition(f, 0, NULL); /* also closes the file */
14283 fprintf(f, "{--------------\n");
14284 PrintPosition(f, currentMove);
14285 fprintf(f, "--------------}\n\n");
14287 SaveGame(f, 0, NULL); /* also closes the file*/
14290 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14291 nCmailMovesRegistered ++;
14292 } else if (nCmailGames == 1) {
14293 DisplayError(_("You have not made a move yet"), 0);
14304 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14305 FILE *commandOutput;
14306 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14307 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14313 if (! cmailMsgLoaded) {
14314 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14318 if (nCmailGames == nCmailResults) {
14319 DisplayError(_("No unfinished games"), 0);
14323 #if CMAIL_PROHIBIT_REMAIL
14324 if (cmailMailedMove) {
14325 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);
14326 DisplayError(msg, 0);
14331 if (! (cmailMailedMove || RegisterMove())) return;
14333 if ( cmailMailedMove
14334 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14335 snprintf(string, MSG_SIZ, partCommandString,
14336 appData.debugMode ? " -v" : "", appData.cmailGameName);
14337 commandOutput = popen(string, "r");
14339 if (commandOutput == NULL) {
14340 DisplayError(_("Failed to invoke cmail"), 0);
14342 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14343 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14345 if (nBuffers > 1) {
14346 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14347 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14348 nBytes = MSG_SIZ - 1;
14350 (void) memcpy(msg, buffer, nBytes);
14352 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14354 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14355 cmailMailedMove = TRUE; /* Prevent >1 moves */
14358 for (i = 0; i < nCmailGames; i ++) {
14359 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14364 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14366 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14368 appData.cmailGameName,
14370 LoadGameFromFile(buffer, 1, buffer, FALSE);
14371 cmailMsgLoaded = FALSE;
14375 DisplayInformation(msg);
14376 pclose(commandOutput);
14379 if ((*cmailMsg) != '\0') {
14380 DisplayInformation(cmailMsg);
14385 #endif /* !WIN32 */
14394 int prependComma = 0;
14396 char string[MSG_SIZ]; /* Space for game-list */
14399 if (!cmailMsgLoaded) return "";
14401 if (cmailMailedMove) {
14402 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14404 /* Create a list of games left */
14405 snprintf(string, MSG_SIZ, "[");
14406 for (i = 0; i < nCmailGames; i ++) {
14407 if (! ( cmailMoveRegistered[i]
14408 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14409 if (prependComma) {
14410 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14412 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14416 strcat(string, number);
14419 strcat(string, "]");
14421 if (nCmailMovesRegistered + nCmailResults == 0) {
14422 switch (nCmailGames) {
14424 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14428 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14432 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14437 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14439 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14444 if (nCmailResults == nCmailGames) {
14445 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14447 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14452 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14464 if (gameMode == Training)
14465 SetTrainingModeOff();
14468 cmailMsgLoaded = FALSE;
14469 if (appData.icsActive) {
14470 SendToICS(ics_prefix);
14471 SendToICS("refresh\n");
14476 ExitEvent (int status)
14480 /* Give up on clean exit */
14484 /* Keep trying for clean exit */
14488 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14489 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14491 if (telnetISR != NULL) {
14492 RemoveInputSource(telnetISR);
14494 if (icsPR != NoProc) {
14495 DestroyChildProcess(icsPR, TRUE);
14498 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14499 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14501 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14502 /* make sure this other one finishes before killing it! */
14503 if(endingGame) { int count = 0;
14504 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14505 while(endingGame && count++ < 10) DoSleep(1);
14506 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14509 /* Kill off chess programs */
14510 if (first.pr != NoProc) {
14513 DoSleep( appData.delayBeforeQuit );
14514 SendToProgram("quit\n", &first);
14515 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14517 if (second.pr != NoProc) {
14518 DoSleep( appData.delayBeforeQuit );
14519 SendToProgram("quit\n", &second);
14520 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14522 if (first.isr != NULL) {
14523 RemoveInputSource(first.isr);
14525 if (second.isr != NULL) {
14526 RemoveInputSource(second.isr);
14529 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14530 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14532 ShutDownFrontEnd();
14537 PauseEngine (ChessProgramState *cps)
14539 SendToProgram("pause\n", cps);
14544 UnPauseEngine (ChessProgramState *cps)
14546 SendToProgram("resume\n", cps);
14553 if (appData.debugMode)
14554 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14558 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14560 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14561 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14562 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14564 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14565 HandleMachineMove(stashedInputMove, stalledEngine);
14566 stalledEngine = NULL;
14569 if (gameMode == MachinePlaysWhite ||
14570 gameMode == TwoMachinesPlay ||
14571 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14572 if(first.pause) UnPauseEngine(&first);
14573 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14574 if(second.pause) UnPauseEngine(&second);
14575 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14578 DisplayBothClocks();
14580 if (gameMode == PlayFromGameFile) {
14581 if (appData.timeDelay >= 0)
14582 AutoPlayGameLoop();
14583 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14584 Reset(FALSE, TRUE);
14585 SendToICS(ics_prefix);
14586 SendToICS("refresh\n");
14587 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14588 ForwardInner(forwardMostMove);
14590 pauseExamInvalid = FALSE;
14592 switch (gameMode) {
14596 pauseExamForwardMostMove = forwardMostMove;
14597 pauseExamInvalid = FALSE;
14600 case IcsPlayingWhite:
14601 case IcsPlayingBlack:
14605 case PlayFromGameFile:
14606 (void) StopLoadGameTimer();
14610 case BeginningOfGame:
14611 if (appData.icsActive) return;
14612 /* else fall through */
14613 case MachinePlaysWhite:
14614 case MachinePlaysBlack:
14615 case TwoMachinesPlay:
14616 if (forwardMostMove == 0)
14617 return; /* don't pause if no one has moved */
14618 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14619 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14620 if(onMove->pause) { // thinking engine can be paused
14621 PauseEngine(onMove); // do it
14622 if(onMove->other->pause) // pondering opponent can always be paused immediately
14623 PauseEngine(onMove->other);
14625 SendToProgram("easy\n", onMove->other);
14627 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14628 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14630 PauseEngine(&first);
14632 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14633 } else { // human on move, pause pondering by either method
14635 PauseEngine(&first);
14636 else if(appData.ponderNextMove)
14637 SendToProgram("easy\n", &first);
14640 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14650 EditCommentEvent ()
14652 char title[MSG_SIZ];
14654 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14655 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14657 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14658 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14659 parseList[currentMove - 1]);
14662 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14669 char *tags = PGNTags(&gameInfo);
14671 EditTagsPopUp(tags, NULL);
14678 if(second.analyzing) {
14679 SendToProgram("exit\n", &second);
14680 second.analyzing = FALSE;
14682 if (second.pr == NoProc) StartChessProgram(&second);
14683 InitChessProgram(&second, FALSE);
14684 FeedMovesToProgram(&second, currentMove);
14686 SendToProgram("analyze\n", &second);
14687 second.analyzing = TRUE;
14691 /* Toggle ShowThinking */
14693 ToggleShowThinking()
14695 appData.showThinking = !appData.showThinking;
14696 ShowThinkingEvent();
14700 AnalyzeModeEvent ()
14704 if (!first.analysisSupport) {
14705 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14706 DisplayError(buf, 0);
14709 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14710 if (appData.icsActive) {
14711 if (gameMode != IcsObserving) {
14712 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14713 DisplayError(buf, 0);
14715 if (appData.icsEngineAnalyze) {
14716 if (appData.debugMode)
14717 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14723 /* if enable, user wants to disable icsEngineAnalyze */
14724 if (appData.icsEngineAnalyze) {
14729 appData.icsEngineAnalyze = TRUE;
14730 if (appData.debugMode)
14731 fprintf(debugFP, "ICS engine analyze starting... \n");
14734 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14735 if (appData.noChessProgram || gameMode == AnalyzeMode)
14738 if (gameMode != AnalyzeFile) {
14739 if (!appData.icsEngineAnalyze) {
14741 if (gameMode != EditGame) return 0;
14743 if (!appData.showThinking) ToggleShowThinking();
14744 ResurrectChessProgram();
14745 SendToProgram("analyze\n", &first);
14746 first.analyzing = TRUE;
14747 /*first.maybeThinking = TRUE;*/
14748 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14749 EngineOutputPopUp();
14751 if (!appData.icsEngineAnalyze) {
14752 gameMode = AnalyzeMode;
14753 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14759 StartAnalysisClock();
14760 GetTimeMark(&lastNodeCountTime);
14766 AnalyzeFileEvent ()
14768 if (appData.noChessProgram || gameMode == AnalyzeFile)
14771 if (!first.analysisSupport) {
14773 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14774 DisplayError(buf, 0);
14778 if (gameMode != AnalyzeMode) {
14779 keepInfo = 1; // mere annotating should not alter PGN tags
14782 if (gameMode != EditGame) return;
14783 if (!appData.showThinking) ToggleShowThinking();
14784 ResurrectChessProgram();
14785 SendToProgram("analyze\n", &first);
14786 first.analyzing = TRUE;
14787 /*first.maybeThinking = TRUE;*/
14788 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14789 EngineOutputPopUp();
14791 gameMode = AnalyzeFile;
14795 StartAnalysisClock();
14796 GetTimeMark(&lastNodeCountTime);
14798 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14799 AnalysisPeriodicEvent(1);
14803 MachineWhiteEvent ()
14806 char *bookHit = NULL;
14808 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14812 if (gameMode == PlayFromGameFile ||
14813 gameMode == TwoMachinesPlay ||
14814 gameMode == Training ||
14815 gameMode == AnalyzeMode ||
14816 gameMode == EndOfGame)
14819 if (gameMode == EditPosition)
14820 EditPositionDone(TRUE);
14822 if (!WhiteOnMove(currentMove)) {
14823 DisplayError(_("It is not White's turn"), 0);
14827 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14830 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14831 gameMode == AnalyzeFile)
14834 ResurrectChessProgram(); /* in case it isn't running */
14835 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14836 gameMode = MachinePlaysWhite;
14839 gameMode = MachinePlaysWhite;
14843 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14845 if (first.sendName) {
14846 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14847 SendToProgram(buf, &first);
14849 if (first.sendTime) {
14850 if (first.useColors) {
14851 SendToProgram("black\n", &first); /*gnu kludge*/
14853 SendTimeRemaining(&first, TRUE);
14855 if (first.useColors) {
14856 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14858 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14859 SetMachineThinkingEnables();
14860 first.maybeThinking = TRUE;
14864 if (appData.autoFlipView && !flipView) {
14865 flipView = !flipView;
14866 DrawPosition(FALSE, NULL);
14867 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14870 if(bookHit) { // [HGM] book: simulate book reply
14871 static char bookMove[MSG_SIZ]; // a bit generous?
14873 programStats.nodes = programStats.depth = programStats.time =
14874 programStats.score = programStats.got_only_move = 0;
14875 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14877 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14878 strcat(bookMove, bookHit);
14879 HandleMachineMove(bookMove, &first);
14884 MachineBlackEvent ()
14887 char *bookHit = NULL;
14889 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14893 if (gameMode == PlayFromGameFile ||
14894 gameMode == TwoMachinesPlay ||
14895 gameMode == Training ||
14896 gameMode == AnalyzeMode ||
14897 gameMode == EndOfGame)
14900 if (gameMode == EditPosition)
14901 EditPositionDone(TRUE);
14903 if (WhiteOnMove(currentMove)) {
14904 DisplayError(_("It is not Black's turn"), 0);
14908 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14911 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14912 gameMode == AnalyzeFile)
14915 ResurrectChessProgram(); /* in case it isn't running */
14916 gameMode = MachinePlaysBlack;
14920 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14922 if (first.sendName) {
14923 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14924 SendToProgram(buf, &first);
14926 if (first.sendTime) {
14927 if (first.useColors) {
14928 SendToProgram("white\n", &first); /*gnu kludge*/
14930 SendTimeRemaining(&first, FALSE);
14932 if (first.useColors) {
14933 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14935 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14936 SetMachineThinkingEnables();
14937 first.maybeThinking = TRUE;
14940 if (appData.autoFlipView && flipView) {
14941 flipView = !flipView;
14942 DrawPosition(FALSE, NULL);
14943 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14945 if(bookHit) { // [HGM] book: simulate book reply
14946 static char bookMove[MSG_SIZ]; // a bit generous?
14948 programStats.nodes = programStats.depth = programStats.time =
14949 programStats.score = programStats.got_only_move = 0;
14950 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14952 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14953 strcat(bookMove, bookHit);
14954 HandleMachineMove(bookMove, &first);
14960 DisplayTwoMachinesTitle ()
14963 if (appData.matchGames > 0) {
14964 if(appData.tourneyFile[0]) {
14965 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14966 gameInfo.white, _("vs."), gameInfo.black,
14967 nextGame+1, appData.matchGames+1,
14968 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14970 if (first.twoMachinesColor[0] == 'w') {
14971 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14972 gameInfo.white, _("vs."), gameInfo.black,
14973 first.matchWins, second.matchWins,
14974 matchGame - 1 - (first.matchWins + second.matchWins));
14976 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14977 gameInfo.white, _("vs."), gameInfo.black,
14978 second.matchWins, first.matchWins,
14979 matchGame - 1 - (first.matchWins + second.matchWins));
14982 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14988 SettingsMenuIfReady ()
14990 if (second.lastPing != second.lastPong) {
14991 DisplayMessage("", _("Waiting for second chess program"));
14992 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14996 DisplayMessage("", "");
14997 SettingsPopUp(&second);
15001 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
15004 if (cps->pr == NoProc) {
15005 StartChessProgram(cps);
15006 if (cps->protocolVersion == 1) {
15008 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
15010 /* kludge: allow timeout for initial "feature" command */
15011 if(retry != TwoMachinesEventIfReady) FreezeUI();
15012 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
15013 DisplayMessage("", buf);
15014 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
15022 TwoMachinesEvent P((void))
15026 ChessProgramState *onmove;
15027 char *bookHit = NULL;
15028 static int stalling = 0;
15032 if (appData.noChessProgram) return;
15034 switch (gameMode) {
15035 case TwoMachinesPlay:
15037 case MachinePlaysWhite:
15038 case MachinePlaysBlack:
15039 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15040 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15044 case BeginningOfGame:
15045 case PlayFromGameFile:
15048 if (gameMode != EditGame) return;
15051 EditPositionDone(TRUE);
15062 // forwardMostMove = currentMove;
15063 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
15064 startingEngine = TRUE;
15066 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
15068 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
15069 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
15070 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15074 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
15076 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
15077 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
15078 startingEngine = matchMode = FALSE;
15079 DisplayError("second engine does not play this", 0);
15080 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
15081 EditGameEvent(); // switch back to EditGame mode
15086 InitChessProgram(&second, FALSE); // unbalances ping of second engine
15087 SendToProgram("force\n", &second);
15089 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15093 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
15094 if(appData.matchPause>10000 || appData.matchPause<10)
15095 appData.matchPause = 10000; /* [HGM] make pause adjustable */
15096 wait = SubtractTimeMarks(&now, &pauseStart);
15097 if(wait < appData.matchPause) {
15098 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
15101 // we are now committed to starting the game
15103 DisplayMessage("", "");
15105 if (startedFromSetupPosition) {
15106 SendBoard(&second, backwardMostMove);
15107 if (appData.debugMode) {
15108 fprintf(debugFP, "Two Machines\n");
15111 for (i = backwardMostMove; i < forwardMostMove; i++) {
15112 SendMoveToProgram(i, &second);
15116 gameMode = TwoMachinesPlay;
15117 pausing = startingEngine = FALSE;
15118 ModeHighlight(); // [HGM] logo: this triggers display update of logos
15120 DisplayTwoMachinesTitle();
15122 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
15127 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
15128 SendToProgram(first.computerString, &first);
15129 if (first.sendName) {
15130 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
15131 SendToProgram(buf, &first);
15134 SendToProgram(second.computerString, &second);
15135 if (second.sendName) {
15136 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
15137 SendToProgram(buf, &second);
15142 if (!first.sendTime || !second.sendTime) {
15143 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15144 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15146 if (onmove->sendTime) {
15147 if (onmove->useColors) {
15148 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
15150 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
15152 if (onmove->useColors) {
15153 SendToProgram(onmove->twoMachinesColor, onmove);
15155 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
15156 // SendToProgram("go\n", onmove);
15157 onmove->maybeThinking = TRUE;
15158 SetMachineThinkingEnables();
15162 if(bookHit) { // [HGM] book: simulate book reply
15163 static char bookMove[MSG_SIZ]; // a bit generous?
15165 programStats.nodes = programStats.depth = programStats.time =
15166 programStats.score = programStats.got_only_move = 0;
15167 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15169 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15170 strcat(bookMove, bookHit);
15171 savedMessage = bookMove; // args for deferred call
15172 savedState = onmove;
15173 ScheduleDelayedEvent(DeferredBookMove, 1);
15180 if (gameMode == Training) {
15181 SetTrainingModeOff();
15182 gameMode = PlayFromGameFile;
15183 DisplayMessage("", _("Training mode off"));
15185 gameMode = Training;
15186 animateTraining = appData.animate;
15188 /* make sure we are not already at the end of the game */
15189 if (currentMove < forwardMostMove) {
15190 SetTrainingModeOn();
15191 DisplayMessage("", _("Training mode on"));
15193 gameMode = PlayFromGameFile;
15194 DisplayError(_("Already at end of game"), 0);
15203 if (!appData.icsActive) return;
15204 switch (gameMode) {
15205 case IcsPlayingWhite:
15206 case IcsPlayingBlack:
15209 case BeginningOfGame:
15217 EditPositionDone(TRUE);
15230 gameMode = IcsIdle;
15240 switch (gameMode) {
15242 SetTrainingModeOff();
15244 case MachinePlaysWhite:
15245 case MachinePlaysBlack:
15246 case BeginningOfGame:
15247 SendToProgram("force\n", &first);
15248 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15249 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15251 abortEngineThink = TRUE;
15252 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15253 SendToProgram(buf, &first);
15254 DisplayMessage("Aborting engine think", "");
15258 SetUserThinkingEnables();
15260 case PlayFromGameFile:
15261 (void) StopLoadGameTimer();
15262 if (gameFileFP != NULL) {
15267 EditPositionDone(TRUE);
15272 SendToProgram("force\n", &first);
15274 case TwoMachinesPlay:
15275 GameEnds(EndOfFile, NULL, GE_PLAYER);
15276 ResurrectChessProgram();
15277 SetUserThinkingEnables();
15280 ResurrectChessProgram();
15282 case IcsPlayingBlack:
15283 case IcsPlayingWhite:
15284 DisplayError(_("Warning: You are still playing a game"), 0);
15287 DisplayError(_("Warning: You are still observing a game"), 0);
15290 DisplayError(_("Warning: You are still examining a game"), 0);
15301 first.offeredDraw = second.offeredDraw = 0;
15303 if (gameMode == PlayFromGameFile) {
15304 whiteTimeRemaining = timeRemaining[0][currentMove];
15305 blackTimeRemaining = timeRemaining[1][currentMove];
15309 if (gameMode == MachinePlaysWhite ||
15310 gameMode == MachinePlaysBlack ||
15311 gameMode == TwoMachinesPlay ||
15312 gameMode == EndOfGame) {
15313 i = forwardMostMove;
15314 while (i > currentMove) {
15315 SendToProgram("undo\n", &first);
15318 if(!adjustedClock) {
15319 whiteTimeRemaining = timeRemaining[0][currentMove];
15320 blackTimeRemaining = timeRemaining[1][currentMove];
15321 DisplayBothClocks();
15323 if (whiteFlag || blackFlag) {
15324 whiteFlag = blackFlag = 0;
15329 gameMode = EditGame;
15335 EditPositionEvent ()
15338 if (gameMode == EditPosition) {
15344 if (gameMode != EditGame) return;
15346 gameMode = EditPosition;
15349 CopyBoard(rightsBoard, nullBoard);
15350 if (currentMove > 0)
15351 CopyBoard(boards[0], boards[currentMove]);
15352 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15353 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15355 blackPlaysFirst = !WhiteOnMove(currentMove);
15357 currentMove = forwardMostMove = backwardMostMove = 0;
15358 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15360 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15366 /* [DM] icsEngineAnalyze - possible call from other functions */
15367 if (appData.icsEngineAnalyze) {
15368 appData.icsEngineAnalyze = FALSE;
15370 DisplayMessage("",_("Close ICS engine analyze..."));
15372 if (first.analysisSupport && first.analyzing) {
15373 SendToBoth("exit\n");
15374 first.analyzing = second.analyzing = FALSE;
15376 thinkOutput[0] = NULLCHAR;
15380 EditPositionDone (Boolean fakeRights)
15382 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15384 startedFromSetupPosition = TRUE;
15385 InitChessProgram(&first, FALSE);
15386 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15388 boards[0][EP_STATUS] = EP_NONE;
15389 for(f=0; f<=nrCastlingRights; f++) boards[0][CASTLING][f] = NoRights;
15390 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // first pass: Kings & e.p.
15391 if(rightsBoard[r][f]) {
15392 ChessSquare p = boards[0][r][f];
15393 if(p == (blackPlaysFirst ? WhitePawn : BlackPawn)) boards[0][EP_STATUS] = f;
15394 else if(p == king) boards[0][CASTLING][2] = f;
15395 else if(p == WHITE_TO_BLACK king) boards[0][CASTLING][5] = f;
15396 else rightsBoard[r][f] = 2; // mark for second pass
15399 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // second pass: Rooks
15400 if(rightsBoard[r][f] == 2) {
15401 ChessSquare p = boards[0][r][f];
15402 if(p == WhiteRook) boards[0][CASTLING][(f < boards[0][CASTLING][2])] = f; else
15403 if(p == BlackRook) boards[0][CASTLING][(f < boards[0][CASTLING][5])+3] = f;
15407 SendToProgram("force\n", &first);
15408 if (blackPlaysFirst) {
15409 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15410 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15411 currentMove = forwardMostMove = backwardMostMove = 1;
15412 CopyBoard(boards[1], boards[0]);
15414 currentMove = forwardMostMove = backwardMostMove = 0;
15416 SendBoard(&first, forwardMostMove);
15417 if (appData.debugMode) {
15418 fprintf(debugFP, "EditPosDone\n");
15421 DisplayMessage("", "");
15422 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15423 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15424 gameMode = EditGame;
15426 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15427 ClearHighlights(); /* [AS] */
15430 /* Pause for `ms' milliseconds */
15431 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15433 TimeDelay (long ms)
15440 } while (SubtractTimeMarks(&m2, &m1) < ms);
15443 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15445 SendMultiLineToICS (char *buf)
15447 char temp[MSG_SIZ+1], *p;
15454 strncpy(temp, buf, len);
15459 if (*p == '\n' || *p == '\r')
15464 strcat(temp, "\n");
15466 SendToPlayer(temp, strlen(temp));
15470 SetWhiteToPlayEvent ()
15472 if (gameMode == EditPosition) {
15473 blackPlaysFirst = FALSE;
15474 DisplayBothClocks(); /* works because currentMove is 0 */
15475 } else if (gameMode == IcsExamining) {
15476 SendToICS(ics_prefix);
15477 SendToICS("tomove white\n");
15482 SetBlackToPlayEvent ()
15484 if (gameMode == EditPosition) {
15485 blackPlaysFirst = TRUE;
15486 currentMove = 1; /* kludge */
15487 DisplayBothClocks();
15489 } else if (gameMode == IcsExamining) {
15490 SendToICS(ics_prefix);
15491 SendToICS("tomove black\n");
15496 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15499 ChessSquare piece = boards[0][y][x];
15500 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15501 static int lastVariant;
15502 int baseRank = BOARD_HEIGHT-1, hasRights = 0;
15504 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15506 switch (selection) {
15508 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15509 MarkTargetSquares(1);
15510 CopyBoard(currentBoard, boards[0]);
15511 CopyBoard(menuBoard, initialPosition);
15512 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15513 SendToICS(ics_prefix);
15514 SendToICS("bsetup clear\n");
15515 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15516 SendToICS(ics_prefix);
15517 SendToICS("clearboard\n");
15520 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15521 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15522 for (y = 0; y < BOARD_HEIGHT; y++) {
15523 if (gameMode == IcsExamining) {
15524 if (boards[currentMove][y][x] != EmptySquare) {
15525 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15529 } else if(boards[0][y][x] != DarkSquare) {
15530 if(boards[0][y][x] != p) nonEmpty++;
15531 boards[0][y][x] = p;
15535 CopyBoard(rightsBoard, nullBoard);
15536 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15538 for(r = 0; r < BOARD_HEIGHT; r++) {
15539 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15540 ChessSquare p = menuBoard[r][x];
15541 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15544 menuBoard[CASTLING][0] = menuBoard[CASTLING][3] = NoRights; // h-side Rook was deleted
15545 DisplayMessage("Clicking clock again restores position", "");
15546 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15547 if(!nonEmpty) { // asked to clear an empty board
15548 CopyBoard(boards[0], menuBoard);
15550 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15551 CopyBoard(boards[0], initialPosition);
15553 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15554 && !CompareBoards(nullBoard, erasedBoard)) {
15555 CopyBoard(boards[0], erasedBoard);
15557 CopyBoard(erasedBoard, currentBoard);
15559 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15560 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15563 if (gameMode == EditPosition) {
15564 DrawPosition(FALSE, boards[0]);
15569 SetWhiteToPlayEvent();
15573 SetBlackToPlayEvent();
15577 if (gameMode == IcsExamining) {
15578 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15579 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15582 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15583 if(x == BOARD_LEFT-2) {
15584 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15585 boards[0][y][1] = 0;
15587 if(x == BOARD_RGHT+1) {
15588 if(y >= gameInfo.holdingsSize) break;
15589 boards[0][y][BOARD_WIDTH-2] = 0;
15592 boards[0][y][x] = EmptySquare;
15593 DrawPosition(FALSE, boards[0]);
15598 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15599 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15600 selection = (ChessSquare) (PROMOTED(piece));
15601 } else if(piece == EmptySquare) selection = WhiteSilver;
15602 else selection = (ChessSquare)((int)piece - 1);
15606 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15607 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15608 selection = (ChessSquare) (DEMOTED(piece));
15609 } else if(piece == EmptySquare) selection = BlackSilver;
15610 else selection = (ChessSquare)((int)piece + 1);
15615 if(gameInfo.variant == VariantShatranj ||
15616 gameInfo.variant == VariantXiangqi ||
15617 gameInfo.variant == VariantCourier ||
15618 gameInfo.variant == VariantASEAN ||
15619 gameInfo.variant == VariantMakruk )
15620 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15626 if(y == baseRank && (x == BOARD_LEFT || x == BOARD_RGHT-1 || appData.fischerCastling)) hasRights = 1;
15627 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15633 if(gameInfo.variant == VariantXiangqi)
15634 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15635 if(gameInfo.variant == VariantKnightmate)
15636 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15637 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15640 if (gameMode == IcsExamining) {
15641 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15642 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15643 PieceToChar(selection), AAA + x, ONE + y);
15646 rightsBoard[y][x] = hasRights;
15647 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15649 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15650 n = PieceToNumber(selection - BlackPawn);
15651 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15652 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15653 boards[0][BOARD_HEIGHT-1-n][1]++;
15655 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15656 n = PieceToNumber(selection);
15657 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15658 boards[0][n][BOARD_WIDTH-1] = selection;
15659 boards[0][n][BOARD_WIDTH-2]++;
15662 boards[0][y][x] = selection;
15663 DrawPosition(TRUE, boards[0]);
15665 fromX = fromY = -1;
15673 DropMenuEvent (ChessSquare selection, int x, int y)
15675 ChessMove moveType;
15677 switch (gameMode) {
15678 case IcsPlayingWhite:
15679 case MachinePlaysBlack:
15680 if (!WhiteOnMove(currentMove)) {
15681 DisplayMoveError(_("It is Black's turn"));
15684 moveType = WhiteDrop;
15686 case IcsPlayingBlack:
15687 case MachinePlaysWhite:
15688 if (WhiteOnMove(currentMove)) {
15689 DisplayMoveError(_("It is White's turn"));
15692 moveType = BlackDrop;
15695 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15701 if (moveType == BlackDrop && selection < BlackPawn) {
15702 selection = (ChessSquare) ((int) selection
15703 + (int) BlackPawn - (int) WhitePawn);
15705 if (boards[currentMove][y][x] != EmptySquare) {
15706 DisplayMoveError(_("That square is occupied"));
15710 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15716 /* Accept a pending offer of any kind from opponent */
15718 if (appData.icsActive) {
15719 SendToICS(ics_prefix);
15720 SendToICS("accept\n");
15721 } else if (cmailMsgLoaded) {
15722 if (currentMove == cmailOldMove &&
15723 commentList[cmailOldMove] != NULL &&
15724 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15725 "Black offers a draw" : "White offers a draw")) {
15727 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15728 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15730 DisplayError(_("There is no pending offer on this move"), 0);
15731 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15734 /* Not used for offers from chess program */
15741 /* Decline a pending offer of any kind from opponent */
15743 if (appData.icsActive) {
15744 SendToICS(ics_prefix);
15745 SendToICS("decline\n");
15746 } else if (cmailMsgLoaded) {
15747 if (currentMove == cmailOldMove &&
15748 commentList[cmailOldMove] != NULL &&
15749 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15750 "Black offers a draw" : "White offers a draw")) {
15752 AppendComment(cmailOldMove, "Draw declined", TRUE);
15753 DisplayComment(cmailOldMove - 1, "Draw declined");
15756 DisplayError(_("There is no pending offer on this move"), 0);
15759 /* Not used for offers from chess program */
15766 /* Issue ICS rematch command */
15767 if (appData.icsActive) {
15768 SendToICS(ics_prefix);
15769 SendToICS("rematch\n");
15776 /* Call your opponent's flag (claim a win on time) */
15777 if (appData.icsActive) {
15778 SendToICS(ics_prefix);
15779 SendToICS("flag\n");
15781 switch (gameMode) {
15784 case MachinePlaysWhite:
15787 GameEnds(GameIsDrawn, "Both players ran out of time",
15790 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15792 DisplayError(_("Your opponent is not out of time"), 0);
15795 case MachinePlaysBlack:
15798 GameEnds(GameIsDrawn, "Both players ran out of time",
15801 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15803 DisplayError(_("Your opponent is not out of time"), 0);
15811 ClockClick (int which)
15812 { // [HGM] code moved to back-end from winboard.c
15813 if(which) { // black clock
15814 if (gameMode == EditPosition || gameMode == IcsExamining) {
15815 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15816 SetBlackToPlayEvent();
15817 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15818 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15819 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15820 } else if (shiftKey) {
15821 AdjustClock(which, -1);
15822 } else if (gameMode == IcsPlayingWhite ||
15823 gameMode == MachinePlaysBlack) {
15826 } else { // white clock
15827 if (gameMode == EditPosition || gameMode == IcsExamining) {
15828 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15829 SetWhiteToPlayEvent();
15830 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15831 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15832 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15833 } else if (shiftKey) {
15834 AdjustClock(which, -1);
15835 } else if (gameMode == IcsPlayingBlack ||
15836 gameMode == MachinePlaysWhite) {
15845 /* Offer draw or accept pending draw offer from opponent */
15847 if (appData.icsActive) {
15848 /* Note: tournament rules require draw offers to be
15849 made after you make your move but before you punch
15850 your clock. Currently ICS doesn't let you do that;
15851 instead, you immediately punch your clock after making
15852 a move, but you can offer a draw at any time. */
15854 SendToICS(ics_prefix);
15855 SendToICS("draw\n");
15856 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15857 } else if (cmailMsgLoaded) {
15858 if (currentMove == cmailOldMove &&
15859 commentList[cmailOldMove] != NULL &&
15860 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15861 "Black offers a draw" : "White offers a draw")) {
15862 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15863 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15864 } else if (currentMove == cmailOldMove + 1) {
15865 char *offer = WhiteOnMove(cmailOldMove) ?
15866 "White offers a draw" : "Black offers a draw";
15867 AppendComment(currentMove, offer, TRUE);
15868 DisplayComment(currentMove - 1, offer);
15869 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15871 DisplayError(_("You must make your move before offering a draw"), 0);
15872 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15874 } else if (first.offeredDraw) {
15875 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15877 if (first.sendDrawOffers) {
15878 SendToProgram("draw\n", &first);
15879 userOfferedDraw = TRUE;
15887 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15889 if (appData.icsActive) {
15890 SendToICS(ics_prefix);
15891 SendToICS("adjourn\n");
15893 /* Currently GNU Chess doesn't offer or accept Adjourns */
15901 /* Offer Abort or accept pending Abort offer from opponent */
15903 if (appData.icsActive) {
15904 SendToICS(ics_prefix);
15905 SendToICS("abort\n");
15907 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15914 /* Resign. You can do this even if it's not your turn. */
15916 if (appData.icsActive) {
15917 SendToICS(ics_prefix);
15918 SendToICS("resign\n");
15920 switch (gameMode) {
15921 case MachinePlaysWhite:
15922 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15924 case MachinePlaysBlack:
15925 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15928 if (cmailMsgLoaded) {
15930 if (WhiteOnMove(cmailOldMove)) {
15931 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15933 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15935 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15946 StopObservingEvent ()
15948 /* Stop observing current games */
15949 SendToICS(ics_prefix);
15950 SendToICS("unobserve\n");
15954 StopExaminingEvent ()
15956 /* Stop observing current game */
15957 SendToICS(ics_prefix);
15958 SendToICS("unexamine\n");
15962 ForwardInner (int target)
15964 int limit; int oldSeekGraphUp = seekGraphUp;
15966 if (appData.debugMode)
15967 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15968 target, currentMove, forwardMostMove);
15970 if (gameMode == EditPosition)
15973 seekGraphUp = FALSE;
15974 MarkTargetSquares(1);
15975 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15977 if (gameMode == PlayFromGameFile && !pausing)
15980 if (gameMode == IcsExamining && pausing)
15981 limit = pauseExamForwardMostMove;
15983 limit = forwardMostMove;
15985 if (target > limit) target = limit;
15987 if (target > 0 && moveList[target - 1][0]) {
15988 int fromX, fromY, toX, toY;
15989 toX = moveList[target - 1][2] - AAA;
15990 toY = moveList[target - 1][3] - ONE;
15991 if (moveList[target - 1][1] == '@') {
15992 if (appData.highlightLastMove) {
15993 SetHighlights(-1, -1, toX, toY);
15996 fromX = moveList[target - 1][0] - AAA;
15997 fromY = moveList[target - 1][1] - ONE;
15998 if (target == currentMove + 1) {
15999 if(moveList[target - 1][4] == ';') { // multi-leg
16000 killX = moveList[target - 1][5] - AAA;
16001 killY = moveList[target - 1][6] - ONE;
16003 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
16004 killX = killY = -1;
16006 if (appData.highlightLastMove) {
16007 SetHighlights(fromX, fromY, toX, toY);
16011 if (gameMode == EditGame || gameMode == AnalyzeMode ||
16012 gameMode == Training || gameMode == PlayFromGameFile ||
16013 gameMode == AnalyzeFile) {
16014 while (currentMove < target) {
16015 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16016 SendMoveToProgram(currentMove++, &first);
16019 currentMove = target;
16022 if (gameMode == EditGame || gameMode == EndOfGame) {
16023 whiteTimeRemaining = timeRemaining[0][currentMove];
16024 blackTimeRemaining = timeRemaining[1][currentMove];
16026 DisplayBothClocks();
16027 DisplayMove(currentMove - 1);
16028 DrawPosition(oldSeekGraphUp, boards[currentMove]);
16029 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16030 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
16031 DisplayComment(currentMove - 1, commentList[currentMove]);
16033 ClearMap(); // [HGM] exclude: invalidate map
16040 if (gameMode == IcsExamining && !pausing) {
16041 SendToICS(ics_prefix);
16042 SendToICS("forward\n");
16044 ForwardInner(currentMove + 1);
16051 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16052 /* to optimze, we temporarily turn off analysis mode while we feed
16053 * the remaining moves to the engine. Otherwise we get analysis output
16056 if (first.analysisSupport) {
16057 SendToProgram("exit\nforce\n", &first);
16058 first.analyzing = FALSE;
16062 if (gameMode == IcsExamining && !pausing) {
16063 SendToICS(ics_prefix);
16064 SendToICS("forward 999999\n");
16066 ForwardInner(forwardMostMove);
16069 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16070 /* we have fed all the moves, so reactivate analysis mode */
16071 SendToProgram("analyze\n", &first);
16072 first.analyzing = TRUE;
16073 /*first.maybeThinking = TRUE;*/
16074 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16079 BackwardInner (int target)
16081 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
16083 if (appData.debugMode)
16084 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
16085 target, currentMove, forwardMostMove);
16087 if (gameMode == EditPosition) return;
16088 seekGraphUp = FALSE;
16089 MarkTargetSquares(1);
16090 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
16091 if (currentMove <= backwardMostMove) {
16093 DrawPosition(full_redraw, boards[currentMove]);
16096 if (gameMode == PlayFromGameFile && !pausing)
16099 if (moveList[target][0]) {
16100 int fromX, fromY, toX, toY;
16101 toX = moveList[target][2] - AAA;
16102 toY = moveList[target][3] - ONE;
16103 if (moveList[target][1] == '@') {
16104 if (appData.highlightLastMove) {
16105 SetHighlights(-1, -1, toX, toY);
16108 fromX = moveList[target][0] - AAA;
16109 fromY = moveList[target][1] - ONE;
16110 if (target == currentMove - 1) {
16111 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
16113 if (appData.highlightLastMove) {
16114 SetHighlights(fromX, fromY, toX, toY);
16118 if (gameMode == EditGame || gameMode==AnalyzeMode ||
16119 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
16120 while (currentMove > target) {
16121 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
16122 // null move cannot be undone. Reload program with move history before it.
16124 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
16125 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
16127 SendBoard(&first, i);
16128 if(second.analyzing) SendBoard(&second, i);
16129 for(currentMove=i; currentMove<target; currentMove++) {
16130 SendMoveToProgram(currentMove, &first);
16131 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16135 SendToBoth("undo\n");
16139 currentMove = target;
16142 if (gameMode == EditGame || gameMode == EndOfGame) {
16143 whiteTimeRemaining = timeRemaining[0][currentMove];
16144 blackTimeRemaining = timeRemaining[1][currentMove];
16146 DisplayBothClocks();
16147 DisplayMove(currentMove - 1);
16148 DrawPosition(full_redraw, boards[currentMove]);
16149 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16150 // [HGM] PV info: routine tests if comment empty
16151 DisplayComment(currentMove - 1, commentList[currentMove]);
16152 ClearMap(); // [HGM] exclude: invalidate map
16158 if (gameMode == IcsExamining && !pausing) {
16159 SendToICS(ics_prefix);
16160 SendToICS("backward\n");
16162 BackwardInner(currentMove - 1);
16169 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16170 /* to optimize, we temporarily turn off analysis mode while we undo
16171 * all the moves. Otherwise we get analysis output after each undo.
16173 if (first.analysisSupport) {
16174 SendToProgram("exit\nforce\n", &first);
16175 first.analyzing = FALSE;
16179 if (gameMode == IcsExamining && !pausing) {
16180 SendToICS(ics_prefix);
16181 SendToICS("backward 999999\n");
16183 BackwardInner(backwardMostMove);
16186 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16187 /* we have fed all the moves, so reactivate analysis mode */
16188 SendToProgram("analyze\n", &first);
16189 first.analyzing = TRUE;
16190 /*first.maybeThinking = TRUE;*/
16191 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16198 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
16199 if (to >= forwardMostMove) to = forwardMostMove;
16200 if (to <= backwardMostMove) to = backwardMostMove;
16201 if (to < currentMove) {
16209 RevertEvent (Boolean annotate)
16211 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
16214 if (gameMode != IcsExamining) {
16215 DisplayError(_("You are not examining a game"), 0);
16219 DisplayError(_("You can't revert while pausing"), 0);
16222 SendToICS(ics_prefix);
16223 SendToICS("revert\n");
16227 RetractMoveEvent ()
16229 switch (gameMode) {
16230 case MachinePlaysWhite:
16231 case MachinePlaysBlack:
16232 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
16233 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
16236 if (forwardMostMove < 2) return;
16237 currentMove = forwardMostMove = forwardMostMove - 2;
16238 whiteTimeRemaining = timeRemaining[0][currentMove];
16239 blackTimeRemaining = timeRemaining[1][currentMove];
16240 DisplayBothClocks();
16241 DisplayMove(currentMove - 1);
16242 ClearHighlights();/*!! could figure this out*/
16243 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16244 SendToProgram("remove\n", &first);
16245 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16248 case BeginningOfGame:
16252 case IcsPlayingWhite:
16253 case IcsPlayingBlack:
16254 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16255 SendToICS(ics_prefix);
16256 SendToICS("takeback 2\n");
16258 SendToICS(ics_prefix);
16259 SendToICS("takeback 1\n");
16268 ChessProgramState *cps;
16270 switch (gameMode) {
16271 case MachinePlaysWhite:
16272 if (!WhiteOnMove(forwardMostMove)) {
16273 DisplayError(_("It is your turn"), 0);
16278 case MachinePlaysBlack:
16279 if (WhiteOnMove(forwardMostMove)) {
16280 DisplayError(_("It is your turn"), 0);
16285 case TwoMachinesPlay:
16286 if (WhiteOnMove(forwardMostMove) ==
16287 (first.twoMachinesColor[0] == 'w')) {
16293 case BeginningOfGame:
16297 SendToProgram("?\n", cps);
16301 TruncateGameEvent ()
16304 if (gameMode != EditGame) return;
16311 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16312 if (forwardMostMove > currentMove) {
16313 if (gameInfo.resultDetails != NULL) {
16314 free(gameInfo.resultDetails);
16315 gameInfo.resultDetails = NULL;
16316 gameInfo.result = GameUnfinished;
16318 forwardMostMove = currentMove;
16319 HistorySet(parseList, backwardMostMove, forwardMostMove,
16327 if (appData.noChessProgram) return;
16328 switch (gameMode) {
16329 case MachinePlaysWhite:
16330 if (WhiteOnMove(forwardMostMove)) {
16331 DisplayError(_("Wait until your turn."), 0);
16335 case BeginningOfGame:
16336 case MachinePlaysBlack:
16337 if (!WhiteOnMove(forwardMostMove)) {
16338 DisplayError(_("Wait until your turn."), 0);
16343 DisplayError(_("No hint available"), 0);
16346 SendToProgram("hint\n", &first);
16347 hintRequested = TRUE;
16351 SaveSelected (FILE *g, int dummy, char *dummy2)
16353 ListGame * lg = (ListGame *) gameList.head;
16357 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16358 DisplayError(_("Game list not loaded or empty"), 0);
16362 creatingBook = TRUE; // suppresses stuff during load game
16364 /* Get list size */
16365 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16366 if(lg->position >= 0) { // selected?
16367 LoadGame(f, nItem, "", TRUE);
16368 SaveGamePGN2(g); // leaves g open
16371 lg = (ListGame *) lg->node.succ;
16375 creatingBook = FALSE;
16383 ListGame * lg = (ListGame *) gameList.head;
16386 static int secondTime = FALSE;
16388 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16389 DisplayError(_("Game list not loaded or empty"), 0);
16393 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16396 DisplayNote(_("Book file exists! Try again for overwrite."));
16400 creatingBook = TRUE;
16401 secondTime = FALSE;
16403 /* Get list size */
16404 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16405 if(lg->position >= 0) {
16406 LoadGame(f, nItem, "", TRUE);
16407 AddGameToBook(TRUE);
16410 lg = (ListGame *) lg->node.succ;
16413 creatingBook = FALSE;
16420 if (appData.noChessProgram) return;
16421 switch (gameMode) {
16422 case MachinePlaysWhite:
16423 if (WhiteOnMove(forwardMostMove)) {
16424 DisplayError(_("Wait until your turn."), 0);
16428 case BeginningOfGame:
16429 case MachinePlaysBlack:
16430 if (!WhiteOnMove(forwardMostMove)) {
16431 DisplayError(_("Wait until your turn."), 0);
16436 EditPositionDone(TRUE);
16438 case TwoMachinesPlay:
16443 SendToProgram("bk\n", &first);
16444 bookOutput[0] = NULLCHAR;
16445 bookRequested = TRUE;
16451 char *tags = PGNTags(&gameInfo);
16452 TagsPopUp(tags, CmailMsg());
16456 /* end button procedures */
16459 PrintPosition (FILE *fp, int move)
16463 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16464 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16465 char c = PieceToChar(boards[move][i][j]);
16466 fputc(c == '?' ? '.' : c, fp);
16467 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16470 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16471 fprintf(fp, "white to play\n");
16473 fprintf(fp, "black to play\n");
16477 PrintOpponents (FILE *fp)
16479 if (gameInfo.white != NULL) {
16480 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16486 /* Find last component of program's own name, using some heuristics */
16488 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16491 int local = (strcmp(host, "localhost") == 0);
16492 while (!local && (p = strchr(prog, ';')) != NULL) {
16494 while (*p == ' ') p++;
16497 if (*prog == '"' || *prog == '\'') {
16498 q = strchr(prog + 1, *prog);
16500 q = strchr(prog, ' ');
16502 if (q == NULL) q = prog + strlen(prog);
16504 while (p >= prog && *p != '/' && *p != '\\') p--;
16506 if(p == prog && *p == '"') p++;
16508 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16509 memcpy(buf, p, q - p);
16510 buf[q - p] = NULLCHAR;
16518 TimeControlTagValue ()
16521 if (!appData.clockMode) {
16522 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16523 } else if (movesPerSession > 0) {
16524 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16525 } else if (timeIncrement == 0) {
16526 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16528 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16530 return StrSave(buf);
16536 /* This routine is used only for certain modes */
16537 VariantClass v = gameInfo.variant;
16538 ChessMove r = GameUnfinished;
16541 if(keepInfo) return;
16543 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16544 r = gameInfo.result;
16545 p = gameInfo.resultDetails;
16546 gameInfo.resultDetails = NULL;
16548 ClearGameInfo(&gameInfo);
16549 gameInfo.variant = v;
16551 switch (gameMode) {
16552 case MachinePlaysWhite:
16553 gameInfo.event = StrSave( appData.pgnEventHeader );
16554 gameInfo.site = StrSave(HostName());
16555 gameInfo.date = PGNDate();
16556 gameInfo.round = StrSave("-");
16557 gameInfo.white = StrSave(first.tidy);
16558 gameInfo.black = StrSave(UserName());
16559 gameInfo.timeControl = TimeControlTagValue();
16562 case MachinePlaysBlack:
16563 gameInfo.event = StrSave( appData.pgnEventHeader );
16564 gameInfo.site = StrSave(HostName());
16565 gameInfo.date = PGNDate();
16566 gameInfo.round = StrSave("-");
16567 gameInfo.white = StrSave(UserName());
16568 gameInfo.black = StrSave(first.tidy);
16569 gameInfo.timeControl = TimeControlTagValue();
16572 case TwoMachinesPlay:
16573 gameInfo.event = StrSave( appData.pgnEventHeader );
16574 gameInfo.site = StrSave(HostName());
16575 gameInfo.date = PGNDate();
16578 snprintf(buf, MSG_SIZ, "%d", roundNr);
16579 gameInfo.round = StrSave(buf);
16581 gameInfo.round = StrSave("-");
16583 if (first.twoMachinesColor[0] == 'w') {
16584 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16585 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16587 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16588 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16590 gameInfo.timeControl = TimeControlTagValue();
16594 gameInfo.event = StrSave("Edited game");
16595 gameInfo.site = StrSave(HostName());
16596 gameInfo.date = PGNDate();
16597 gameInfo.round = StrSave("-");
16598 gameInfo.white = StrSave("-");
16599 gameInfo.black = StrSave("-");
16600 gameInfo.result = r;
16601 gameInfo.resultDetails = p;
16605 gameInfo.event = StrSave("Edited position");
16606 gameInfo.site = StrSave(HostName());
16607 gameInfo.date = PGNDate();
16608 gameInfo.round = StrSave("-");
16609 gameInfo.white = StrSave("-");
16610 gameInfo.black = StrSave("-");
16613 case IcsPlayingWhite:
16614 case IcsPlayingBlack:
16619 case PlayFromGameFile:
16620 gameInfo.event = StrSave("Game from non-PGN file");
16621 gameInfo.site = StrSave(HostName());
16622 gameInfo.date = PGNDate();
16623 gameInfo.round = StrSave("-");
16624 gameInfo.white = StrSave("?");
16625 gameInfo.black = StrSave("?");
16634 ReplaceComment (int index, char *text)
16640 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16641 pvInfoList[index-1].depth == len &&
16642 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16643 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16644 while (*text == '\n') text++;
16645 len = strlen(text);
16646 while (len > 0 && text[len - 1] == '\n') len--;
16648 if (commentList[index] != NULL)
16649 free(commentList[index]);
16652 commentList[index] = NULL;
16655 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16656 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16657 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16658 commentList[index] = (char *) malloc(len + 2);
16659 strncpy(commentList[index], text, len);
16660 commentList[index][len] = '\n';
16661 commentList[index][len + 1] = NULLCHAR;
16663 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16665 commentList[index] = (char *) malloc(len + 7);
16666 safeStrCpy(commentList[index], "{\n", 3);
16667 safeStrCpy(commentList[index]+2, text, len+1);
16668 commentList[index][len+2] = NULLCHAR;
16669 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16670 strcat(commentList[index], "\n}\n");
16675 CrushCRs (char *text)
16683 if (ch == '\r') continue;
16685 } while (ch != '\0');
16689 AppendComment (int index, char *text, Boolean addBraces)
16690 /* addBraces tells if we should add {} */
16695 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16696 if(addBraces == 3) addBraces = 0; else // force appending literally
16697 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16700 while (*text == '\n') text++;
16701 len = strlen(text);
16702 while (len > 0 && text[len - 1] == '\n') len--;
16703 text[len] = NULLCHAR;
16705 if (len == 0) return;
16707 if (commentList[index] != NULL) {
16708 Boolean addClosingBrace = addBraces;
16709 old = commentList[index];
16710 oldlen = strlen(old);
16711 while(commentList[index][oldlen-1] == '\n')
16712 commentList[index][--oldlen] = NULLCHAR;
16713 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16714 safeStrCpy(commentList[index], old, oldlen + len + 6);
16716 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16717 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16718 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16719 while (*text == '\n') { text++; len--; }
16720 commentList[index][--oldlen] = NULLCHAR;
16722 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16723 else strcat(commentList[index], "\n");
16724 strcat(commentList[index], text);
16725 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16726 else strcat(commentList[index], "\n");
16728 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16730 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16731 else commentList[index][0] = NULLCHAR;
16732 strcat(commentList[index], text);
16733 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16734 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16739 FindStr (char * text, char * sub_text)
16741 char * result = strstr( text, sub_text );
16743 if( result != NULL ) {
16744 result += strlen( sub_text );
16750 /* [AS] Try to extract PV info from PGN comment */
16751 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16753 GetInfoFromComment (int index, char * text)
16755 char * sep = text, *p;
16757 if( text != NULL && index > 0 ) {
16760 int time = -1, sec = 0, deci;
16761 char * s_eval = FindStr( text, "[%eval " );
16762 char * s_emt = FindStr( text, "[%emt " );
16764 if( s_eval != NULL || s_emt != NULL ) {
16766 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16771 if( s_eval != NULL ) {
16772 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16776 if( delim != ']' ) {
16781 if( s_emt != NULL ) {
16786 /* We expect something like: [+|-]nnn.nn/dd */
16789 if(*text != '{') return text; // [HGM] braces: must be normal comment
16791 sep = strchr( text, '/' );
16792 if( sep == NULL || sep < (text+4) ) {
16797 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16798 if(p[1] == '(') { // comment starts with PV
16799 p = strchr(p, ')'); // locate end of PV
16800 if(p == NULL || sep < p+5) return text;
16801 // at this point we have something like "{(.*) +0.23/6 ..."
16802 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16803 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16804 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16806 time = -1; sec = -1; deci = -1;
16807 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16808 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16809 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16810 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16814 if( score_lo < 0 || score_lo >= 100 ) {
16818 if(sec >= 0) time = 600*time + 10*sec; else
16819 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16821 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16823 /* [HGM] PV time: now locate end of PV info */
16824 while( *++sep >= '0' && *sep <= '9'); // strip depth
16826 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16828 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16830 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16831 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16842 pvInfoList[index-1].depth = depth;
16843 pvInfoList[index-1].score = score;
16844 pvInfoList[index-1].time = 10*time; // centi-sec
16845 if(*sep == '}') *sep = 0; else *--sep = '{';
16847 while(*p++ = *sep++)
16850 } // squeeze out space between PV and comment, and return both
16856 SendToProgram (char *message, ChessProgramState *cps)
16858 int count, outCount, error;
16861 if (cps->pr == NoProc) return;
16864 if (appData.debugMode) {
16867 fprintf(debugFP, "%ld >%-6s: %s",
16868 SubtractTimeMarks(&now, &programStartTime),
16869 cps->which, message);
16871 fprintf(serverFP, "%ld >%-6s: %s",
16872 SubtractTimeMarks(&now, &programStartTime),
16873 cps->which, message), fflush(serverFP);
16876 count = strlen(message);
16877 outCount = OutputToProcess(cps->pr, message, count, &error);
16878 if (outCount < count && !exiting
16879 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16880 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16881 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16882 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16883 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16884 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16885 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16886 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16888 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16889 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16890 gameInfo.result = res;
16892 gameInfo.resultDetails = StrSave(buf);
16894 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16895 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16900 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16904 ChessProgramState *cps = (ChessProgramState *)closure;
16906 if (isr != cps->isr) return; /* Killed intentionally */
16909 RemoveInputSource(cps->isr);
16910 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16911 _(cps->which), cps->program);
16912 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16913 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16914 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16915 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16916 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16917 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16919 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16920 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16921 gameInfo.result = res;
16923 gameInfo.resultDetails = StrSave(buf);
16925 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16926 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16928 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16929 _(cps->which), cps->program);
16930 RemoveInputSource(cps->isr);
16932 /* [AS] Program is misbehaving badly... kill it */
16933 if( count == -2 ) {
16934 DestroyChildProcess( cps->pr, 9 );
16938 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16943 if ((end_str = strchr(message, '\r')) != NULL)
16944 *end_str = NULLCHAR;
16945 if ((end_str = strchr(message, '\n')) != NULL)
16946 *end_str = NULLCHAR;
16948 if (appData.debugMode) {
16949 TimeMark now; int print = 1;
16950 char *quote = ""; char c; int i;
16952 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16953 char start = message[0];
16954 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16955 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16956 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16957 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16958 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16959 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16960 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16961 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16962 sscanf(message, "hint: %c", &c)!=1 &&
16963 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16964 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16965 print = (appData.engineComments >= 2);
16967 message[0] = start; // restore original message
16971 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16972 SubtractTimeMarks(&now, &programStartTime), cps->which,
16976 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16977 SubtractTimeMarks(&now, &programStartTime), cps->which,
16979 message), fflush(serverFP);
16983 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16984 if (appData.icsEngineAnalyze) {
16985 if (strstr(message, "whisper") != NULL ||
16986 strstr(message, "kibitz") != NULL ||
16987 strstr(message, "tellics") != NULL) return;
16990 HandleMachineMove(message, cps);
16995 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
17000 if( timeControl_2 > 0 ) {
17001 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
17002 tc = timeControl_2;
17005 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
17006 inc /= cps->timeOdds;
17007 st /= cps->timeOdds;
17009 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
17012 /* Set exact time per move, normally using st command */
17013 if (cps->stKludge) {
17014 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
17016 if (seconds == 0) {
17017 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
17019 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
17022 snprintf(buf, MSG_SIZ, "st %d\n", st);
17025 /* Set conventional or incremental time control, using level command */
17026 if (seconds == 0) {
17027 /* Note old gnuchess bug -- minutes:seconds used to not work.
17028 Fixed in later versions, but still avoid :seconds
17029 when seconds is 0. */
17030 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
17032 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
17033 seconds, inc/1000.);
17036 SendToProgram(buf, cps);
17038 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
17039 /* Orthogonally, limit search to given depth */
17041 if (cps->sdKludge) {
17042 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
17044 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
17046 SendToProgram(buf, cps);
17049 if(cps->nps >= 0) { /* [HGM] nps */
17050 if(cps->supportsNPS == FALSE)
17051 cps->nps = -1; // don't use if engine explicitly says not supported!
17053 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
17054 SendToProgram(buf, cps);
17059 ChessProgramState *
17061 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
17063 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
17064 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
17070 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
17072 char message[MSG_SIZ];
17075 /* Note: this routine must be called when the clocks are stopped
17076 or when they have *just* been set or switched; otherwise
17077 it will be off by the time since the current tick started.
17079 if (machineWhite) {
17080 time = whiteTimeRemaining / 10;
17081 otime = blackTimeRemaining / 10;
17083 time = blackTimeRemaining / 10;
17084 otime = whiteTimeRemaining / 10;
17086 /* [HGM] translate opponent's time by time-odds factor */
17087 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
17089 if (time <= 0) time = 1;
17090 if (otime <= 0) otime = 1;
17092 snprintf(message, MSG_SIZ, "time %ld\n", time);
17093 SendToProgram(message, cps);
17095 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
17096 SendToProgram(message, cps);
17100 EngineDefinedVariant (ChessProgramState *cps, int n)
17101 { // return name of n-th unknown variant that engine supports
17102 static char buf[MSG_SIZ];
17103 char *p, *s = cps->variants;
17104 if(!s) return NULL;
17105 do { // parse string from variants feature
17107 p = strchr(s, ',');
17108 if(p) *p = NULLCHAR;
17109 v = StringToVariant(s);
17110 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
17111 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
17112 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
17113 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
17114 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
17115 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
17116 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
17119 if(n < 0) return buf;
17125 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17128 int len = strlen(name);
17131 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17133 sscanf(*p, "%d", &val);
17135 while (**p && **p != ' ')
17137 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17138 SendToProgram(buf, cps);
17145 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17148 int len = strlen(name);
17149 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17151 sscanf(*p, "%d", loc);
17152 while (**p && **p != ' ') (*p)++;
17153 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17154 SendToProgram(buf, cps);
17161 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
17164 int len = strlen(name);
17165 if (strncmp((*p), name, len) == 0
17166 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
17168 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
17169 sscanf(*p, "%[^\"]", *loc);
17170 while (**p && **p != '\"') (*p)++;
17171 if (**p == '\"') (*p)++;
17172 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17173 SendToProgram(buf, cps);
17180 ParseOption (Option *opt, ChessProgramState *cps)
17181 // [HGM] options: process the string that defines an engine option, and determine
17182 // name, type, default value, and allowed value range
17184 char *p, *q, buf[MSG_SIZ];
17185 int n, min = (-1)<<31, max = 1<<31, def;
17187 opt->target = &opt->value; // OK for spin/slider and checkbox
17188 if(p = strstr(opt->name, " -spin ")) {
17189 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17190 if(max < min) max = min; // enforce consistency
17191 if(def < min) def = min;
17192 if(def > max) def = max;
17197 } else if((p = strstr(opt->name, " -slider "))) {
17198 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
17199 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17200 if(max < min) max = min; // enforce consistency
17201 if(def < min) def = min;
17202 if(def > max) def = max;
17206 opt->type = Spin; // Slider;
17207 } else if((p = strstr(opt->name, " -string "))) {
17208 opt->textValue = p+9;
17209 opt->type = TextBox;
17210 opt->target = &opt->textValue;
17211 } else if((p = strstr(opt->name, " -file "))) {
17212 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17213 opt->target = opt->textValue = p+7;
17214 opt->type = FileName; // FileName;
17215 opt->target = &opt->textValue;
17216 } else if((p = strstr(opt->name, " -path "))) {
17217 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17218 opt->target = opt->textValue = p+7;
17219 opt->type = PathName; // PathName;
17220 opt->target = &opt->textValue;
17221 } else if(p = strstr(opt->name, " -check ")) {
17222 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
17223 opt->value = (def != 0);
17224 opt->type = CheckBox;
17225 } else if(p = strstr(opt->name, " -combo ")) {
17226 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
17227 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
17228 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
17229 opt->value = n = 0;
17230 while(q = StrStr(q, " /// ")) {
17231 n++; *q = 0; // count choices, and null-terminate each of them
17233 if(*q == '*') { // remember default, which is marked with * prefix
17237 cps->comboList[cps->comboCnt++] = q;
17239 cps->comboList[cps->comboCnt++] = NULL;
17241 opt->type = ComboBox;
17242 } else if(p = strstr(opt->name, " -button")) {
17243 opt->type = Button;
17244 } else if(p = strstr(opt->name, " -save")) {
17245 opt->type = SaveButton;
17246 } else return FALSE;
17247 *p = 0; // terminate option name
17248 // now look if the command-line options define a setting for this engine option.
17249 if(cps->optionSettings && cps->optionSettings[0])
17250 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17251 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17252 snprintf(buf, MSG_SIZ, "option %s", p);
17253 if(p = strstr(buf, ",")) *p = 0;
17254 if(q = strchr(buf, '=')) switch(opt->type) {
17256 for(n=0; n<opt->max; n++)
17257 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17260 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17264 opt->value = atoi(q+1);
17269 SendToProgram(buf, cps);
17275 FeatureDone (ChessProgramState *cps, int val)
17277 DelayedEventCallback cb = GetDelayedEvent();
17278 if ((cb == InitBackEnd3 && cps == &first) ||
17279 (cb == SettingsMenuIfReady && cps == &second) ||
17280 (cb == LoadEngine) ||
17281 (cb == TwoMachinesEventIfReady)) {
17282 CancelDelayedEvent();
17283 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17284 } else if(!val && !cps->reload) ClearOptions(cps); // let 'spurious' done=0 clear engine's option list
17285 cps->initDone = val;
17286 if(val) cps->reload = FALSE, RefreshSettingsDialog(cps, val);
17289 /* Parse feature command from engine */
17291 ParseFeatures (char *args, ChessProgramState *cps)
17299 while (*p == ' ') p++;
17300 if (*p == NULLCHAR) return;
17302 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17303 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17304 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17305 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17306 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17307 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17308 if (BoolFeature(&p, "reuse", &val, cps)) {
17309 /* Engine can disable reuse, but can't enable it if user said no */
17310 if (!val) cps->reuse = FALSE;
17313 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17314 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17315 if (gameMode == TwoMachinesPlay) {
17316 DisplayTwoMachinesTitle();
17322 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17323 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17324 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17325 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17326 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17327 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17328 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17329 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17330 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17331 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17332 if (IntFeature(&p, "done", &val, cps)) {
17333 FeatureDone(cps, val);
17336 /* Added by Tord: */
17337 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17338 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17339 /* End of additions by Tord */
17341 /* [HGM] added features: */
17342 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17343 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17344 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17345 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17346 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17347 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17348 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17349 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17350 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17351 FREE(cps->option[cps->nrOptions].name);
17352 cps->option[cps->nrOptions].name = q; q = NULL;
17353 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17354 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17355 SendToProgram(buf, cps);
17358 if(cps->nrOptions >= MAX_OPTIONS) {
17360 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17361 DisplayError(buf, 0);
17365 /* End of additions by HGM */
17367 /* unknown feature: complain and skip */
17369 while (*q && *q != '=') q++;
17370 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17371 SendToProgram(buf, cps);
17377 while (*p && *p != '\"') p++;
17378 if (*p == '\"') p++;
17380 while (*p && *p != ' ') p++;
17388 PeriodicUpdatesEvent (int newState)
17390 if (newState == appData.periodicUpdates)
17393 appData.periodicUpdates=newState;
17395 /* Display type changes, so update it now */
17396 // DisplayAnalysis();
17398 /* Get the ball rolling again... */
17400 AnalysisPeriodicEvent(1);
17401 StartAnalysisClock();
17406 PonderNextMoveEvent (int newState)
17408 if (newState == appData.ponderNextMove) return;
17409 if (gameMode == EditPosition) EditPositionDone(TRUE);
17411 SendToProgram("hard\n", &first);
17412 if (gameMode == TwoMachinesPlay) {
17413 SendToProgram("hard\n", &second);
17416 SendToProgram("easy\n", &first);
17417 thinkOutput[0] = NULLCHAR;
17418 if (gameMode == TwoMachinesPlay) {
17419 SendToProgram("easy\n", &second);
17422 appData.ponderNextMove = newState;
17426 NewSettingEvent (int option, int *feature, char *command, int value)
17430 if (gameMode == EditPosition) EditPositionDone(TRUE);
17431 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17432 if(feature == NULL || *feature) SendToProgram(buf, &first);
17433 if (gameMode == TwoMachinesPlay) {
17434 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17439 ShowThinkingEvent ()
17440 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17442 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17443 int newState = appData.showThinking
17444 // [HGM] thinking: other features now need thinking output as well
17445 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17447 if (oldState == newState) return;
17448 oldState = newState;
17449 if (gameMode == EditPosition) EditPositionDone(TRUE);
17451 SendToProgram("post\n", &first);
17452 if (gameMode == TwoMachinesPlay) {
17453 SendToProgram("post\n", &second);
17456 SendToProgram("nopost\n", &first);
17457 thinkOutput[0] = NULLCHAR;
17458 if (gameMode == TwoMachinesPlay) {
17459 SendToProgram("nopost\n", &second);
17462 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17466 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17468 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17469 if (pr == NoProc) return;
17470 AskQuestion(title, question, replyPrefix, pr);
17474 TypeInEvent (char firstChar)
17476 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17477 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17478 gameMode == AnalyzeMode || gameMode == EditGame ||
17479 gameMode == EditPosition || gameMode == IcsExamining ||
17480 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17481 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17482 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17483 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17484 gameMode == Training) PopUpMoveDialog(firstChar);
17488 TypeInDoneEvent (char *move)
17491 int n, fromX, fromY, toX, toY;
17493 ChessMove moveType;
17496 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17497 EditPositionPasteFEN(move);
17500 // [HGM] movenum: allow move number to be typed in any mode
17501 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17505 // undocumented kludge: allow command-line option to be typed in!
17506 // (potentially fatal, and does not implement the effect of the option.)
17507 // should only be used for options that are values on which future decisions will be made,
17508 // and definitely not on options that would be used during initialization.
17509 if(strstr(move, "!!! -") == move) {
17510 ParseArgsFromString(move+4);
17514 if (gameMode != EditGame && currentMove != forwardMostMove &&
17515 gameMode != Training) {
17516 DisplayMoveError(_("Displayed move is not current"));
17518 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17519 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17520 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17521 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17522 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17523 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17525 DisplayMoveError(_("Could not parse move"));
17531 DisplayMove (int moveNumber)
17533 char message[MSG_SIZ];
17535 char cpThinkOutput[MSG_SIZ];
17537 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17539 if (moveNumber == forwardMostMove - 1 ||
17540 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17542 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17544 if (strchr(cpThinkOutput, '\n')) {
17545 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17548 *cpThinkOutput = NULLCHAR;
17551 /* [AS] Hide thinking from human user */
17552 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17553 *cpThinkOutput = NULLCHAR;
17554 if( thinkOutput[0] != NULLCHAR ) {
17557 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17558 cpThinkOutput[i] = '.';
17560 cpThinkOutput[i] = NULLCHAR;
17561 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17565 if (moveNumber == forwardMostMove - 1 &&
17566 gameInfo.resultDetails != NULL) {
17567 if (gameInfo.resultDetails[0] == NULLCHAR) {
17568 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17570 snprintf(res, MSG_SIZ, " {%s} %s",
17571 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17577 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17578 DisplayMessage(res, cpThinkOutput);
17580 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17581 WhiteOnMove(moveNumber) ? " " : ".. ",
17582 parseList[moveNumber], res);
17583 DisplayMessage(message, cpThinkOutput);
17588 DisplayComment (int moveNumber, char *text)
17590 char title[MSG_SIZ];
17592 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17593 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17595 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17596 WhiteOnMove(moveNumber) ? " " : ".. ",
17597 parseList[moveNumber]);
17599 if (text != NULL && (appData.autoDisplayComment || commentUp))
17600 CommentPopUp(title, text);
17603 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17604 * might be busy thinking or pondering. It can be omitted if your
17605 * gnuchess is configured to stop thinking immediately on any user
17606 * input. However, that gnuchess feature depends on the FIONREAD
17607 * ioctl, which does not work properly on some flavors of Unix.
17610 Attention (ChessProgramState *cps)
17613 if (!cps->useSigint) return;
17614 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17615 switch (gameMode) {
17616 case MachinePlaysWhite:
17617 case MachinePlaysBlack:
17618 case TwoMachinesPlay:
17619 case IcsPlayingWhite:
17620 case IcsPlayingBlack:
17623 /* Skip if we know it isn't thinking */
17624 if (!cps->maybeThinking) return;
17625 if (appData.debugMode)
17626 fprintf(debugFP, "Interrupting %s\n", cps->which);
17627 InterruptChildProcess(cps->pr);
17628 cps->maybeThinking = FALSE;
17633 #endif /*ATTENTION*/
17639 if (whiteTimeRemaining <= 0) {
17642 if (appData.icsActive) {
17643 if (appData.autoCallFlag &&
17644 gameMode == IcsPlayingBlack && !blackFlag) {
17645 SendToICS(ics_prefix);
17646 SendToICS("flag\n");
17650 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17652 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17653 if (appData.autoCallFlag) {
17654 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17661 if (blackTimeRemaining <= 0) {
17664 if (appData.icsActive) {
17665 if (appData.autoCallFlag &&
17666 gameMode == IcsPlayingWhite && !whiteFlag) {
17667 SendToICS(ics_prefix);
17668 SendToICS("flag\n");
17672 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17674 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17675 if (appData.autoCallFlag) {
17676 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17687 CheckTimeControl ()
17689 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17690 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17693 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17695 if ( !WhiteOnMove(forwardMostMove) ) {
17696 /* White made time control */
17697 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17698 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17699 /* [HGM] time odds: correct new time quota for time odds! */
17700 / WhitePlayer()->timeOdds;
17701 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17703 lastBlack -= blackTimeRemaining;
17704 /* Black made time control */
17705 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17706 / WhitePlayer()->other->timeOdds;
17707 lastWhite = whiteTimeRemaining;
17712 DisplayBothClocks ()
17714 int wom = gameMode == EditPosition ?
17715 !blackPlaysFirst : WhiteOnMove(currentMove);
17716 DisplayWhiteClock(whiteTimeRemaining, wom);
17717 DisplayBlackClock(blackTimeRemaining, !wom);
17721 /* Timekeeping seems to be a portability nightmare. I think everyone
17722 has ftime(), but I'm really not sure, so I'm including some ifdefs
17723 to use other calls if you don't. Clocks will be less accurate if
17724 you have neither ftime nor gettimeofday.
17727 /* VS 2008 requires the #include outside of the function */
17728 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17729 #include <sys/timeb.h>
17732 /* Get the current time as a TimeMark */
17734 GetTimeMark (TimeMark *tm)
17736 #if HAVE_GETTIMEOFDAY
17738 struct timeval timeVal;
17739 struct timezone timeZone;
17741 gettimeofday(&timeVal, &timeZone);
17742 tm->sec = (long) timeVal.tv_sec;
17743 tm->ms = (int) (timeVal.tv_usec / 1000L);
17745 #else /*!HAVE_GETTIMEOFDAY*/
17748 // include <sys/timeb.h> / moved to just above start of function
17749 struct timeb timeB;
17752 tm->sec = (long) timeB.time;
17753 tm->ms = (int) timeB.millitm;
17755 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17756 tm->sec = (long) time(NULL);
17762 /* Return the difference in milliseconds between two
17763 time marks. We assume the difference will fit in a long!
17766 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17768 return 1000L*(tm2->sec - tm1->sec) +
17769 (long) (tm2->ms - tm1->ms);
17774 * Code to manage the game clocks.
17776 * In tournament play, black starts the clock and then white makes a move.
17777 * We give the human user a slight advantage if he is playing white---the
17778 * clocks don't run until he makes his first move, so it takes zero time.
17779 * Also, we don't account for network lag, so we could get out of sync
17780 * with GNU Chess's clock -- but then, referees are always right.
17783 static TimeMark tickStartTM;
17784 static long intendedTickLength;
17787 NextTickLength (long timeRemaining)
17789 long nominalTickLength, nextTickLength;
17791 if (timeRemaining > 0L && timeRemaining <= 10000L)
17792 nominalTickLength = 100L;
17794 nominalTickLength = 1000L;
17795 nextTickLength = timeRemaining % nominalTickLength;
17796 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17798 return nextTickLength;
17801 /* Adjust clock one minute up or down */
17803 AdjustClock (Boolean which, int dir)
17805 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17806 if(which) blackTimeRemaining += 60000*dir;
17807 else whiteTimeRemaining += 60000*dir;
17808 DisplayBothClocks();
17809 adjustedClock = TRUE;
17812 /* Stop clocks and reset to a fresh time control */
17816 (void) StopClockTimer();
17817 if (appData.icsActive) {
17818 whiteTimeRemaining = blackTimeRemaining = 0;
17819 } else if (searchTime) {
17820 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17821 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17822 } else { /* [HGM] correct new time quote for time odds */
17823 whiteTC = blackTC = fullTimeControlString;
17824 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17825 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17827 if (whiteFlag || blackFlag) {
17829 whiteFlag = blackFlag = FALSE;
17831 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17832 DisplayBothClocks();
17833 adjustedClock = FALSE;
17836 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17838 static int timeSuffix; // [HGM] This should realy be a passed parameter, but it has to pass through too many levels for my laziness...
17840 /* Decrement running clock by amount of time that has passed */
17845 long lastTickLength, fudge;
17848 if (!appData.clockMode) return;
17849 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17853 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17855 /* Fudge if we woke up a little too soon */
17856 fudge = intendedTickLength - lastTickLength;
17857 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17859 if (WhiteOnMove(forwardMostMove)) {
17860 if(whiteNPS >= 0) lastTickLength = 0;
17861 tRemaining = whiteTimeRemaining -= lastTickLength;
17862 if( tRemaining < 0 && !appData.icsActive) {
17863 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17864 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17865 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17866 lastWhite= tRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17869 if(forwardMostMove && appData.moveTime) timeSuffix = timeRemaining[0][forwardMostMove-1] - tRemaining;
17870 DisplayWhiteClock(whiteTimeRemaining - fudge,
17871 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17874 if(blackNPS >= 0) lastTickLength = 0;
17875 tRemaining = blackTimeRemaining -= lastTickLength;
17876 if( tRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17877 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17879 blackStartMove = forwardMostMove;
17880 lastBlack = tRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17883 if(forwardMostMove && appData.moveTime) timeSuffix = timeRemaining[1][forwardMostMove-1] - tRemaining;
17884 DisplayBlackClock(blackTimeRemaining - fudge,
17885 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17888 if (CheckFlags()) return;
17890 if(twoBoards) { // count down secondary board's clocks as well
17891 activePartnerTime -= lastTickLength;
17893 if(activePartner == 'W')
17894 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17896 DisplayBlackClock(activePartnerTime, TRUE);
17901 intendedTickLength = NextTickLength( tRemaining - fudge) + fudge;
17902 StartClockTimer(intendedTickLength);
17904 /* if the time remaining has fallen below the alarm threshold, sound the
17905 * alarm. if the alarm has sounded and (due to a takeback or time control
17906 * with increment) the time remaining has increased to a level above the
17907 * threshold, reset the alarm so it can sound again.
17910 if (appData.icsActive && appData.icsAlarm) {
17912 /* make sure we are dealing with the user's clock */
17913 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17914 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17917 if (alarmSounded && ( tRemaining > appData.icsAlarmTime)) {
17918 alarmSounded = FALSE;
17919 } else if (!alarmSounded && ( tRemaining <= appData.icsAlarmTime)) {
17921 alarmSounded = TRUE;
17927 /* A player has just moved, so stop the previously running
17928 clock and (if in clock mode) start the other one.
17929 We redisplay both clocks in case we're in ICS mode, because
17930 ICS gives us an update to both clocks after every move.
17931 Note that this routine is called *after* forwardMostMove
17932 is updated, so the last fractional tick must be subtracted
17933 from the color that is *not* on move now.
17936 SwitchClocks (int newMoveNr)
17938 long lastTickLength;
17940 int flagged = FALSE;
17944 if (StopClockTimer() && appData.clockMode) {
17945 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17946 if (!WhiteOnMove(forwardMostMove)) {
17947 if(blackNPS >= 0) lastTickLength = 0;
17948 blackTimeRemaining -= lastTickLength;
17949 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17950 // if(pvInfoList[forwardMostMove].time == -1)
17951 pvInfoList[forwardMostMove].time = // use GUI time
17952 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17954 if(whiteNPS >= 0) lastTickLength = 0;
17955 whiteTimeRemaining -= lastTickLength;
17956 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17957 // if(pvInfoList[forwardMostMove].time == -1)
17958 pvInfoList[forwardMostMove].time =
17959 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17961 flagged = CheckFlags();
17963 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17964 CheckTimeControl();
17966 if (flagged || !appData.clockMode) return;
17968 switch (gameMode) {
17969 case MachinePlaysBlack:
17970 case MachinePlaysWhite:
17971 case BeginningOfGame:
17972 if (pausing) return;
17976 case PlayFromGameFile:
17984 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17985 if(WhiteOnMove(forwardMostMove))
17986 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17987 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17991 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17992 whiteTimeRemaining : blackTimeRemaining);
17993 StartClockTimer(intendedTickLength);
17997 /* Stop both clocks */
18001 long lastTickLength;
18004 if (!StopClockTimer()) return;
18005 if (!appData.clockMode) return;
18009 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
18010 if (WhiteOnMove(forwardMostMove)) {
18011 if(whiteNPS >= 0) lastTickLength = 0;
18012 whiteTimeRemaining -= lastTickLength;
18013 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
18015 if(blackNPS >= 0) lastTickLength = 0;
18016 blackTimeRemaining -= lastTickLength;
18017 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
18022 /* Start clock of player on move. Time may have been reset, so
18023 if clock is already running, stop and restart it. */
18027 (void) StopClockTimer(); /* in case it was running already */
18028 DisplayBothClocks();
18029 if (CheckFlags()) return;
18031 if (!appData.clockMode) return;
18032 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
18034 GetTimeMark(&tickStartTM);
18035 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
18036 whiteTimeRemaining : blackTimeRemaining);
18038 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
18039 whiteNPS = blackNPS = -1;
18040 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
18041 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
18042 whiteNPS = first.nps;
18043 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
18044 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
18045 blackNPS = first.nps;
18046 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
18047 whiteNPS = second.nps;
18048 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
18049 blackNPS = second.nps;
18050 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
18052 StartClockTimer(intendedTickLength);
18056 TimeString (long ms)
18058 long second, minute, hour, day;
18060 static char buf[40], moveTime[8];
18062 if (ms > 0 && ms <= 9900) {
18063 /* convert milliseconds to tenths, rounding up */
18064 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
18066 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
18070 /* convert milliseconds to seconds, rounding up */
18071 /* use floating point to avoid strangeness of integer division
18072 with negative dividends on many machines */
18073 second = (long) floor(((double) (ms + 999L)) / 1000.0);
18080 day = second / (60 * 60 * 24);
18081 second = second % (60 * 60 * 24);
18082 hour = second / (60 * 60);
18083 second = second % (60 * 60);
18084 minute = second / 60;
18085 second = second % 60;
18087 if(timeSuffix) snprintf(moveTime, 8, " (%d)", timeSuffix/1000); // [HGM] kludge alert; fraction contains move time
18088 else *moveTime = NULLCHAR;
18091 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld%s ",
18092 sign, day, hour, minute, second, moveTime);
18094 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld%s ", sign, hour, minute, second, moveTime);
18096 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld%s ", sign, minute, second, moveTime);
18103 * This is necessary because some C libraries aren't ANSI C compliant yet.
18106 StrStr (char *string, char *match)
18110 length = strlen(match);
18112 for (i = strlen(string) - length; i >= 0; i--, string++)
18113 if (!strncmp(match, string, length))
18120 StrCaseStr (char *string, char *match)
18124 length = strlen(match);
18126 for (i = strlen(string) - length; i >= 0; i--, string++) {
18127 for (j = 0; j < length; j++) {
18128 if (ToLower(match[j]) != ToLower(string[j]))
18131 if (j == length) return string;
18139 StrCaseCmp (char *s1, char *s2)
18144 c1 = ToLower(*s1++);
18145 c2 = ToLower(*s2++);
18146 if (c1 > c2) return 1;
18147 if (c1 < c2) return -1;
18148 if (c1 == NULLCHAR) return 0;
18156 return isupper(c) ? tolower(c) : c;
18163 return islower(c) ? toupper(c) : c;
18165 #endif /* !_amigados */
18172 if ((ret = (char *) malloc(strlen(s) + 1)))
18174 safeStrCpy(ret, s, strlen(s)+1);
18180 StrSavePtr (char *s, char **savePtr)
18185 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
18186 safeStrCpy(*savePtr, s, strlen(s)+1);
18198 clock = time((time_t *)NULL);
18199 tm = localtime(&clock);
18200 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
18201 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
18202 return StrSave(buf);
18207 PositionToFEN (int move, char *overrideCastling, int moveCounts)
18209 int i, j, fromX, fromY, toX, toY;
18210 int whiteToPlay, haveRights = nrCastlingRights;
18216 whiteToPlay = (gameMode == EditPosition) ?
18217 !blackPlaysFirst : (move % 2 == 0);
18220 /* Piece placement data */
18221 for (i = BOARD_HEIGHT - 1 - deadRanks; i >= 0; i--) {
18222 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
18224 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
18225 if (boards[move][i][j] == EmptySquare) {
18227 } else { ChessSquare piece = boards[move][i][j];
18228 if (emptycount > 0) {
18229 if(emptycount<10) /* [HGM] can be >= 10 */
18230 *p++ = '0' + emptycount;
18231 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18234 if(PieceToChar(piece) == '+') {
18235 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
18237 piece = (ChessSquare)(CHUDEMOTED(piece));
18239 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
18240 if(*p = PieceSuffix(piece)) p++;
18242 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
18243 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED(piece)));
18248 if (emptycount > 0) {
18249 if(emptycount<10) /* [HGM] can be >= 10 */
18250 *p++ = '0' + emptycount;
18251 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18258 /* [HGM] print Crazyhouse or Shogi holdings */
18259 if( gameInfo.holdingsWidth ) {
18260 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18262 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18263 piece = boards[move][i][BOARD_WIDTH-1];
18264 if( piece != EmptySquare )
18265 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18266 *p++ = PieceToChar(piece);
18268 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18269 piece = boards[move][BOARD_HEIGHT-i-1][0];
18270 if( piece != EmptySquare )
18271 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
18272 *p++ = PieceToChar(piece);
18275 if( q == p ) *p++ = '-';
18281 *p++ = whiteToPlay ? 'w' : 'b';
18284 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18285 haveRights = 0; q = p;
18286 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18287 piece = boards[move][0][i];
18288 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18289 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18292 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18293 piece = boards[move][BOARD_HEIGHT-1][i];
18294 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18295 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18298 if(p == q) *p++ = '-';
18302 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18305 if(q != overrideCastling+1) p[-1] = ' '; else --p;
18308 int handW=0, handB=0;
18309 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18310 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18311 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18314 if(appData.fischerCastling) {
18315 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18316 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18317 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18319 /* [HGM] write directly from rights */
18320 if(boards[move][CASTLING][2] != NoRights &&
18321 boards[move][CASTLING][0] != NoRights )
18322 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18323 if(boards[move][CASTLING][2] != NoRights &&
18324 boards[move][CASTLING][1] != NoRights )
18325 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18328 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18329 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18331 if(boards[move][CASTLING][5] != NoRights &&
18332 boards[move][CASTLING][3] != NoRights )
18333 *p++ = boards[move][CASTLING][3] + AAA;
18334 if(boards[move][CASTLING][5] != NoRights &&
18335 boards[move][CASTLING][4] != NoRights )
18336 *p++ = boards[move][CASTLING][4] + AAA;
18340 /* [HGM] write true castling rights */
18341 if( nrCastlingRights == 6 ) {
18343 if(boards[move][CASTLING][0] != NoRights &&
18344 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18345 q = (boards[move][CASTLING][1] != NoRights &&
18346 boards[move][CASTLING][2] != NoRights );
18347 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18348 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18349 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18350 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18354 if(boards[move][CASTLING][3] != NoRights &&
18355 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18356 q = (boards[move][CASTLING][4] != NoRights &&
18357 boards[move][CASTLING][5] != NoRights );
18359 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18360 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18361 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18366 if (q == p) *p++ = '-'; /* No castling rights */
18370 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18371 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18372 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18373 /* En passant target square */
18374 if (move > backwardMostMove) {
18375 fromX = moveList[move - 1][0] - AAA;
18376 fromY = moveList[move - 1][1] - ONE;
18377 toX = moveList[move - 1][2] - AAA;
18378 toY = moveList[move - 1][3] - ONE;
18379 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
18380 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
18381 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
18383 /* 2-square pawn move just happened */
18385 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18389 } else if(move == backwardMostMove) {
18390 // [HGM] perhaps we should always do it like this, and forget the above?
18391 if((signed char)boards[move][EP_STATUS] >= 0) {
18392 *p++ = boards[move][EP_STATUS] + AAA;
18393 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18405 { int i = 0, j=move;
18407 /* [HGM] find reversible plies */
18408 if (appData.debugMode) { int k;
18409 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18410 for(k=backwardMostMove; k<=forwardMostMove; k++)
18411 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18415 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18416 if( j == backwardMostMove ) i += initialRulePlies;
18417 sprintf(p, "%d ", i);
18418 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18420 /* Fullmove number */
18421 sprintf(p, "%d", (move / 2) + 1);
18422 } else *--p = NULLCHAR;
18424 return StrSave(buf);
18428 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18430 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18432 int emptycount, virgin[BOARD_FILES];
18433 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18437 for(i=1; i<=deadRanks; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) board[BOARD_HEIGHT-i][j] = DarkSquare;
18439 /* Piece placement data */
18440 for (i = BOARD_HEIGHT - 1 - deadRanks; i >= 0; i--) {
18443 if (*p == '/' || *p == ' ' || *p == '[' ) {
18445 emptycount = gameInfo.boardWidth - j;
18446 while (emptycount--)
18447 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18448 if (*p == '/') p++;
18449 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18450 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18451 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18453 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18456 #if(BOARD_FILES >= 10)*0
18457 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18458 p++; emptycount=10;
18459 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18460 while (emptycount--)
18461 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18463 } else if (*p == '*') {
18464 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18465 } else if (isdigit(*p)) {
18466 emptycount = *p++ - '0';
18467 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18468 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18469 while (emptycount--)
18470 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18471 } else if (*p == '<') {
18472 if(i == BOARD_HEIGHT-1) shuffle = 1;
18473 else if (i != 0 || !shuffle) return FALSE;
18475 } else if (shuffle && *p == '>') {
18476 p++; // for now ignore closing shuffle range, and assume rank-end
18477 } else if (*p == '?') {
18478 if (j >= gameInfo.boardWidth) return FALSE;
18479 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18480 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18481 } else if (*p == '+' || isalpha(*p)) {
18482 char *q, *s = SUFFIXES;
18483 if (j >= gameInfo.boardWidth) return FALSE;
18486 if(q = strchr(s, p[1])) p++;
18487 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18488 if(piece == EmptySquare) return FALSE; /* unknown piece */
18489 piece = (ChessSquare) (CHUPROMOTED(piece)); p++;
18490 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18493 if(q = strchr(s, *p)) p++;
18494 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18497 if(piece==EmptySquare) return FALSE; /* unknown piece */
18498 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18499 piece = (ChessSquare) (PROMOTED(piece));
18500 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18503 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18504 if(piece == king) wKingRank = i;
18505 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18511 while (*p == '/' || *p == ' ') p++;
18513 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18515 /* [HGM] by default clear Crazyhouse holdings, if present */
18516 if(gameInfo.holdingsWidth) {
18517 for(i=0; i<BOARD_HEIGHT; i++) {
18518 board[i][0] = EmptySquare; /* black holdings */
18519 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18520 board[i][1] = (ChessSquare) 0; /* black counts */
18521 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18525 /* [HGM] look for Crazyhouse holdings here */
18526 while(*p==' ') p++;
18527 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18528 int swap=0, wcnt=0, bcnt=0;
18530 if(*p == '<') swap++, p++;
18531 if(*p == '-' ) p++; /* empty holdings */ else {
18532 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18533 /* if we would allow FEN reading to set board size, we would */
18534 /* have to add holdings and shift the board read so far here */
18535 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18537 if((int) piece >= (int) BlackPawn ) {
18538 i = (int)piece - (int)BlackPawn;
18539 i = PieceToNumber((ChessSquare)i);
18540 if( i >= gameInfo.holdingsSize ) return FALSE;
18541 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18542 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18545 i = (int)piece - (int)WhitePawn;
18546 i = PieceToNumber((ChessSquare)i);
18547 if( i >= gameInfo.holdingsSize ) return FALSE;
18548 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18549 board[i][BOARD_WIDTH-2]++; /* black holdings */
18553 if(subst) { // substitute back-rank question marks by holdings pieces
18554 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18555 int k, m, n = bcnt + 1;
18556 if(board[0][j] == ClearBoard) {
18557 if(!wcnt) return FALSE;
18559 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18560 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18561 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18565 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18566 if(!bcnt) return FALSE;
18567 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18568 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18569 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18570 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18581 if(subst) return FALSE; // substitution requested, but no holdings
18583 while(*p == ' ') p++;
18587 if(appData.colorNickNames) {
18588 if( c == appData.colorNickNames[0] ) c = 'w'; else
18589 if( c == appData.colorNickNames[1] ) c = 'b';
18593 *blackPlaysFirst = FALSE;
18596 *blackPlaysFirst = TRUE;
18602 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18603 /* return the extra info in global variiables */
18605 while(*p==' ') p++;
18607 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18608 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18609 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18612 /* set defaults in case FEN is incomplete */
18613 board[EP_STATUS] = EP_UNKNOWN;
18614 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18615 for(i=0; i<nrCastlingRights; i++ ) {
18616 board[CASTLING][i] =
18617 appData.fischerCastling ? NoRights : initialRights[i];
18618 } /* assume possible unless obviously impossible */
18619 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18620 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18621 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18622 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18623 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18624 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18625 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18626 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18629 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18632 while(isalpha(*p)) {
18633 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18634 if(islower(*p)) b |= 1 << (*p++ - 'a');
18638 board[TOUCHED_W] = ~w;
18639 board[TOUCHED_B] = ~b;
18640 while(*p == ' ') p++;
18644 if(nrCastlingRights) {
18646 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18647 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18648 /* castling indicator present, so default becomes no castlings */
18649 for(i=0; i<nrCastlingRights; i++ ) {
18650 board[CASTLING][i] = NoRights;
18653 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18654 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18655 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18656 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18657 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18659 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18660 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18661 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18663 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18664 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18665 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18666 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18667 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18668 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18671 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18672 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18673 board[CASTLING][2] = whiteKingFile;
18674 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18675 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18676 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18679 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18680 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18681 board[CASTLING][2] = whiteKingFile;
18682 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18683 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18684 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18687 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18688 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18689 board[CASTLING][5] = blackKingFile;
18690 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18691 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18692 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18695 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18696 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18697 board[CASTLING][5] = blackKingFile;
18698 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18699 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18700 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18703 default: /* FRC castlings */
18704 if(c >= 'a') { /* black rights */
18705 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18706 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18707 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18708 if(i == BOARD_RGHT) break;
18709 board[CASTLING][5] = i;
18711 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18712 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18714 board[CASTLING][3] = c;
18716 board[CASTLING][4] = c;
18717 } else { /* white rights */
18718 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18719 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18720 if(board[0][i] == WhiteKing) break;
18721 if(i == BOARD_RGHT) break;
18722 board[CASTLING][2] = i;
18723 c -= AAA - 'a' + 'A';
18724 if(board[0][c] >= WhiteKing) break;
18726 board[CASTLING][0] = c;
18728 board[CASTLING][1] = c;
18732 for(i=0; i<nrCastlingRights; i++)
18733 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18734 if(gameInfo.variant == VariantSChess)
18735 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18736 if(fischer && shuffle) appData.fischerCastling = TRUE;
18737 if (appData.debugMode) {
18738 fprintf(debugFP, "FEN castling rights:");
18739 for(i=0; i<nrCastlingRights; i++)
18740 fprintf(debugFP, " %d", board[CASTLING][i]);
18741 fprintf(debugFP, "\n");
18744 while(*p==' ') p++;
18747 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18749 /* read e.p. field in games that know e.p. capture */
18750 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18751 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18752 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18754 p++; board[EP_STATUS] = EP_NONE;
18756 char c = *p++ - AAA;
18758 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18759 if(*p >= '0' && *p <='9') p++;
18760 board[EP_STATUS] = c;
18765 if(sscanf(p, "%d", &i) == 1) {
18766 FENrulePlies = i; /* 50-move ply counter */
18767 /* (The move number is still ignored) */
18774 EditPositionPasteFEN (char *fen)
18777 Board initial_position;
18779 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18780 DisplayError(_("Bad FEN position in clipboard"), 0);
18783 int savedBlackPlaysFirst = blackPlaysFirst;
18784 EditPositionEvent();
18785 blackPlaysFirst = savedBlackPlaysFirst;
18786 CopyBoard(boards[0], initial_position);
18787 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18788 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18789 DisplayBothClocks();
18790 DrawPosition(FALSE, boards[currentMove]);
18795 static char cseq[12] = "\\ ";
18798 set_cont_sequence (char *new_seq)
18803 // handle bad attempts to set the sequence
18805 return 0; // acceptable error - no debug
18807 len = strlen(new_seq);
18808 ret = (len > 0) && (len < sizeof(cseq));
18810 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18811 else if (appData.debugMode)
18812 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18817 reformat a source message so words don't cross the width boundary. internal
18818 newlines are not removed. returns the wrapped size (no null character unless
18819 included in source message). If dest is NULL, only calculate the size required
18820 for the dest buffer. lp argument indicats line position upon entry, and it's
18821 passed back upon exit.
18824 wrap (char *dest, char *src, int count, int width, int *lp)
18826 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18828 cseq_len = strlen(cseq);
18829 old_line = line = *lp;
18830 ansi = len = clen = 0;
18832 for (i=0; i < count; i++)
18834 if (src[i] == '\033')
18837 // if we hit the width, back up
18838 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18840 // store i & len in case the word is too long
18841 old_i = i, old_len = len;
18843 // find the end of the last word
18844 while (i && src[i] != ' ' && src[i] != '\n')
18850 // word too long? restore i & len before splitting it
18851 if ((old_i-i+clen) >= width)
18858 if (i && src[i-1] == ' ')
18861 if (src[i] != ' ' && src[i] != '\n')
18868 // now append the newline and continuation sequence
18873 strncpy(dest+len, cseq, cseq_len);
18881 dest[len] = src[i];
18885 if (src[i] == '\n')
18890 if (dest && appData.debugMode)
18892 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18893 count, width, line, len, *lp);
18894 show_bytes(debugFP, src, count);
18895 fprintf(debugFP, "\ndest: ");
18896 show_bytes(debugFP, dest, len);
18897 fprintf(debugFP, "\n");
18899 *lp = dest ? line : old_line;
18904 // [HGM] vari: routines for shelving variations
18905 Boolean modeRestore = FALSE;
18908 PushInner (int firstMove, int lastMove)
18910 int i, j, nrMoves = lastMove - firstMove;
18912 // push current tail of game on stack
18913 savedResult[storedGames] = gameInfo.result;
18914 savedDetails[storedGames] = gameInfo.resultDetails;
18915 gameInfo.resultDetails = NULL;
18916 savedFirst[storedGames] = firstMove;
18917 savedLast [storedGames] = lastMove;
18918 savedFramePtr[storedGames] = framePtr;
18919 framePtr -= nrMoves; // reserve space for the boards
18920 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18921 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18922 for(j=0; j<MOVE_LEN; j++)
18923 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18924 for(j=0; j<2*MOVE_LEN; j++)
18925 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18926 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18927 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18928 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18929 pvInfoList[firstMove+i-1].depth = 0;
18930 commentList[framePtr+i] = commentList[firstMove+i];
18931 commentList[firstMove+i] = NULL;
18935 forwardMostMove = firstMove; // truncate game so we can start variation
18939 PushTail (int firstMove, int lastMove)
18941 if(appData.icsActive) { // only in local mode
18942 forwardMostMove = currentMove; // mimic old ICS behavior
18945 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18947 PushInner(firstMove, lastMove);
18948 if(storedGames == 1) GreyRevert(FALSE);
18949 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18953 PopInner (Boolean annotate)
18956 char buf[8000], moveBuf[20];
18958 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18959 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18960 nrMoves = savedLast[storedGames] - currentMove;
18963 if(!WhiteOnMove(currentMove))
18964 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18965 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18966 for(i=currentMove; i<forwardMostMove; i++) {
18968 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18969 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18970 strcat(buf, moveBuf);
18971 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18972 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18976 for(i=1; i<=nrMoves; i++) { // copy last variation back
18977 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18978 for(j=0; j<MOVE_LEN; j++)
18979 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18980 for(j=0; j<2*MOVE_LEN; j++)
18981 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18982 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18983 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18984 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18985 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18986 commentList[currentMove+i] = commentList[framePtr+i];
18987 commentList[framePtr+i] = NULL;
18989 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18990 framePtr = savedFramePtr[storedGames];
18991 gameInfo.result = savedResult[storedGames];
18992 if(gameInfo.resultDetails != NULL) {
18993 free(gameInfo.resultDetails);
18995 gameInfo.resultDetails = savedDetails[storedGames];
18996 forwardMostMove = currentMove + nrMoves;
19000 PopTail (Boolean annotate)
19002 if(appData.icsActive) return FALSE; // only in local mode
19003 if(!storedGames) return FALSE; // sanity
19004 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
19006 PopInner(annotate);
19007 if(currentMove < forwardMostMove) ForwardEvent(); else
19008 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
19010 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
19016 { // remove all shelved variations
19018 for(i=0; i<storedGames; i++) {
19019 if(savedDetails[i])
19020 free(savedDetails[i]);
19021 savedDetails[i] = NULL;
19023 for(i=framePtr; i<MAX_MOVES; i++) {
19024 if(commentList[i]) free(commentList[i]);
19025 commentList[i] = NULL;
19027 framePtr = MAX_MOVES-1;
19032 LoadVariation (int index, char *text)
19033 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
19034 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
19035 int level = 0, move;
19037 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
19038 // first find outermost bracketing variation
19039 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
19040 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
19041 if(*p == '{') wait = '}'; else
19042 if(*p == '[') wait = ']'; else
19043 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
19044 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
19046 if(*p == wait) wait = NULLCHAR; // closing ]} found
19049 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
19050 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
19051 end[1] = NULLCHAR; // clip off comment beyond variation
19052 ToNrEvent(currentMove-1);
19053 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
19054 // kludge: use ParsePV() to append variation to game
19055 move = currentMove;
19056 ParsePV(start, TRUE, TRUE);
19057 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
19058 ClearPremoveHighlights();
19060 ToNrEvent(currentMove+1);
19063 int transparency[2];
19068 char *p, *q, buf[MSG_SIZ];
19069 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
19070 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
19071 ParseArgsFromString(buf);
19072 ActivateTheme(TRUE); // also redo colors
19076 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
19079 q = appData.themeNames;
19080 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
19081 if(appData.useBitmaps) {
19082 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
19083 appData.liteBackTextureFile, appData.darkBackTextureFile,
19084 appData.liteBackTextureMode,
19085 appData.darkBackTextureMode );
19087 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false");
19089 if(!appData.useBitmaps || transparency[0]) {
19090 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -lsc %s", Col2Text(2) ); // lightSquareColor
19092 if(!appData.useBitmaps || transparency[1]) {
19093 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -dsc %s", Col2Text(3) ); // darkSquareColor
19095 if(appData.useBorder) {
19096 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
19099 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
19101 if(appData.useFont) {
19102 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
19103 appData.renderPiecesWithFont,
19104 appData.fontToPieceTable,
19105 Col2Text(9), // appData.fontBackColorWhite
19106 Col2Text(10) ); // appData.fontForeColorBlack
19108 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false");
19109 if(appData.pieceDirectory[0]) {
19110 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -pid \"%s\"", appData.pieceDirectory);
19111 if(appData.trueColors != 2) // 2 is a kludge to suppress this in WinBoard
19112 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -trueColors %s", appData.trueColors ? "true" : "false");
19114 if(!appData.pieceDirectory[0] || !appData.trueColors)
19115 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
19116 Col2Text(0), // whitePieceColor
19117 Col2Text(1) ); // blackPieceColor
19119 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
19120 Col2Text(4), // highlightSquareColor
19121 Col2Text(5) ); // premoveHighlightColor
19122 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
19123 if(insert != q) insert[-1] = NULLCHAR;
19124 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
19127 ActivateTheme(FALSE);