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 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 int flock(int f, int code);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
132 #include "evalgraph.h"
136 # define _(s) gettext (s)
137 # define N_(s) gettext_noop (s)
138 # define T_(s) gettext(s)
151 int establish P((void));
152 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
153 char *buf, int count, int error));
154 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
156 void SendToICS P((char *s));
157 void SendToICSDelayed P((char *s, long msdelay));
158 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
159 void HandleMachineMove P((char *message, ChessProgramState *cps));
160 int AutoPlayOneMove P((void));
161 int LoadGameOneMove P((ChessMove readAhead));
162 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
163 int LoadPositionFromFile P((char *filename, int n, char *title));
164 int SavePositionToFile P((char *filename));
165 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
166 void ShowMove P((int fromX, int fromY, int toX, int toY));
167 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
168 /*char*/int promoChar));
169 void BackwardInner P((int target));
170 void ForwardInner P((int target));
171 int Adjudicate P((ChessProgramState *cps));
172 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
173 void EditPositionDone P((Boolean fakeRights));
174 void PrintOpponents P((FILE *fp));
175 void PrintPosition P((FILE *fp, int move));
176 void StartChessProgram P((ChessProgramState *cps));
177 void SendToProgram P((char *message, ChessProgramState *cps));
178 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
179 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
180 char *buf, int count, int error));
181 void SendTimeControl P((ChessProgramState *cps,
182 int mps, long tc, int inc, int sd, int st));
183 char *TimeControlTagValue P((void));
184 void Attention P((ChessProgramState *cps));
185 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
186 int ResurrectChessProgram P((void));
187 void DisplayComment P((int moveNumber, char *text));
188 void DisplayMove P((int moveNumber));
190 void ParseGameHistory P((char *game));
191 void ParseBoard12 P((char *string));
192 void KeepAlive P((void));
193 void StartClocks P((void));
194 void SwitchClocks P((int nr));
195 void StopClocks P((void));
196 void ResetClocks P((void));
197 char *PGNDate P((void));
198 void SetGameInfo P((void));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
220 void NextMatchGame P((void));
221 int NextTourneyGame P((int nr, int *swap));
222 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
223 FILE *WriteTourneyFile P((char *results, FILE *f));
224 void DisplayTwoMachinesTitle P(());
225 static void ExcludeClick P((int index));
226 void ToggleSecond P((void));
227 void PauseEngine P((ChessProgramState *cps));
228 static int NonStandardBoardSize P((void));
231 extern void ConsoleCreate();
234 ChessProgramState *WhitePlayer();
235 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
236 int VerifyDisplayMode P(());
238 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
239 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
240 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
241 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
242 void ics_update_width P((int new_width));
243 extern char installDir[MSG_SIZ];
244 VariantClass startVariant; /* [HGM] nicks: initial variant */
247 extern int tinyLayout, smallLayout;
248 ChessProgramStats programStats;
249 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
251 static int exiting = 0; /* [HGM] moved to top */
252 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
253 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
254 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
255 int partnerHighlight[2];
256 Boolean partnerBoardValid = 0;
257 char partnerStatus[MSG_SIZ];
259 Boolean originalFlip;
260 Boolean twoBoards = 0;
261 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
262 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
263 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
264 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
265 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
266 int opponentKibitzes;
267 int lastSavedGame; /* [HGM] save: ID of game */
268 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
269 extern int chatCount;
271 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
272 char legal[BOARD_RANKS][BOARD_FILES]; /* [HGM] legal target squares */
273 char lastMsg[MSG_SIZ];
274 ChessSquare pieceSweep = EmptySquare;
275 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
276 int promoDefaultAltered;
277 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
279 /* States for ics_getting_history */
281 #define H_REQUESTED 1
282 #define H_GOT_REQ_HEADER 2
283 #define H_GOT_UNREQ_HEADER 3
284 #define H_GETTING_MOVES 4
285 #define H_GOT_UNWANTED_HEADER 5
287 /* whosays values for GameEnds */
296 /* Maximum number of games in a cmail message */
297 #define CMAIL_MAX_GAMES 20
299 /* Different types of move when calling RegisterMove */
301 #define CMAIL_RESIGN 1
303 #define CMAIL_ACCEPT 3
305 /* Different types of result to remember for each game */
306 #define CMAIL_NOT_RESULT 0
307 #define CMAIL_OLD_RESULT 1
308 #define CMAIL_NEW_RESULT 2
310 /* Telnet protocol constants */
321 safeStrCpy (char *dst, const char *src, size_t count)
324 assert( dst != NULL );
325 assert( src != NULL );
328 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
329 if( i == count && dst[count-1] != NULLCHAR)
331 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
332 if(appData.debugMode)
333 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
339 /* Some compiler can't cast u64 to double
340 * This function do the job for us:
342 * We use the highest bit for cast, this only
343 * works if the highest bit is not
344 * in use (This should not happen)
346 * We used this for all compiler
349 u64ToDouble (u64 value)
352 u64 tmp = value & u64Const(0x7fffffffffffffff);
353 r = (double)(s64)tmp;
354 if (value & u64Const(0x8000000000000000))
355 r += 9.2233720368547758080e18; /* 2^63 */
359 /* Fake up flags for now, as we aren't keeping track of castling
360 availability yet. [HGM] Change of logic: the flag now only
361 indicates the type of castlings allowed by the rule of the game.
362 The actual rights themselves are maintained in the array
363 castlingRights, as part of the game history, and are not probed
369 int flags = F_ALL_CASTLE_OK;
370 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
371 switch (gameInfo.variant) {
373 flags &= ~F_ALL_CASTLE_OK;
374 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
375 flags |= F_IGNORE_CHECK;
377 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
380 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
382 case VariantKriegspiel:
383 flags |= F_KRIEGSPIEL_CAPTURE;
385 case VariantCapaRandom:
386 case VariantFischeRandom:
387 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
388 case VariantNoCastle:
389 case VariantShatranj:
394 flags &= ~F_ALL_CASTLE_OK;
402 FILE *gameFileFP, *debugFP, *serverFP;
403 char *currentDebugFile; // [HGM] debug split: to remember name
406 [AS] Note: sometimes, the sscanf() function is used to parse the input
407 into a fixed-size buffer. Because of this, we must be prepared to
408 receive strings as long as the size of the input buffer, which is currently
409 set to 4K for Windows and 8K for the rest.
410 So, we must either allocate sufficiently large buffers here, or
411 reduce the size of the input buffer in the input reading part.
414 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
415 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
416 char thinkOutput1[MSG_SIZ*10];
418 ChessProgramState first, second, pairing;
420 /* premove variables */
423 int premoveFromX = 0;
424 int premoveFromY = 0;
425 int premovePromoChar = 0;
427 Boolean alarmSounded;
428 /* end premove variables */
430 char *ics_prefix = "$";
431 enum ICS_TYPE ics_type = ICS_GENERIC;
433 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
434 int pauseExamForwardMostMove = 0;
435 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
436 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
437 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
438 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
439 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
440 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
441 int whiteFlag = FALSE, blackFlag = FALSE;
442 int userOfferedDraw = FALSE;
443 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
444 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
445 int cmailMoveType[CMAIL_MAX_GAMES];
446 long ics_clock_paused = 0;
447 ProcRef icsPR = NoProc, cmailPR = NoProc;
448 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
449 GameMode gameMode = BeginningOfGame;
450 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
451 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
452 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
453 int hiddenThinkOutputState = 0; /* [AS] */
454 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
455 int adjudicateLossPlies = 6;
456 char white_holding[64], black_holding[64];
457 TimeMark lastNodeCountTime;
458 long lastNodeCount=0;
459 int shiftKey, controlKey; // [HGM] set by mouse handler
461 int have_sent_ICS_logon = 0;
463 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
464 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
465 Boolean adjustedClock;
466 long timeControl_2; /* [AS] Allow separate time controls */
467 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
468 long timeRemaining[2][MAX_MOVES];
469 int matchGame = 0, nextGame = 0, roundNr = 0;
470 Boolean waitingForGame = FALSE, startingEngine = FALSE;
471 TimeMark programStartTime, pauseStart;
472 char ics_handle[MSG_SIZ];
473 int have_set_title = 0;
475 /* animateTraining preserves the state of appData.animate
476 * when Training mode is activated. This allows the
477 * response to be animated when appData.animate == TRUE and
478 * appData.animateDragging == TRUE.
480 Boolean animateTraining;
486 Board boards[MAX_MOVES];
487 /* [HGM] Following 7 needed for accurate legality tests: */
488 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
489 signed char initialRights[BOARD_FILES];
490 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
491 int initialRulePlies, FENrulePlies;
492 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
494 Boolean shuffleOpenings;
495 int mute; // mute all sounds
497 // [HGM] vari: next 12 to save and restore variations
498 #define MAX_VARIATIONS 10
499 int framePtr = MAX_MOVES-1; // points to free stack entry
501 int savedFirst[MAX_VARIATIONS];
502 int savedLast[MAX_VARIATIONS];
503 int savedFramePtr[MAX_VARIATIONS];
504 char *savedDetails[MAX_VARIATIONS];
505 ChessMove savedResult[MAX_VARIATIONS];
507 void PushTail P((int firstMove, int lastMove));
508 Boolean PopTail P((Boolean annotate));
509 void PushInner P((int firstMove, int lastMove));
510 void PopInner P((Boolean annotate));
511 void CleanupTail P((void));
513 ChessSquare FIDEArray[2][BOARD_FILES] = {
514 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
515 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
516 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
517 BlackKing, BlackBishop, BlackKnight, BlackRook }
520 ChessSquare twoKingsArray[2][BOARD_FILES] = {
521 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
522 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
523 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
524 BlackKing, BlackKing, BlackKnight, BlackRook }
527 ChessSquare KnightmateArray[2][BOARD_FILES] = {
528 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
529 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
530 { BlackRook, BlackMan, BlackBishop, BlackQueen,
531 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
534 ChessSquare SpartanArray[2][BOARD_FILES] = {
535 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
536 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
537 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
538 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
541 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
542 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
543 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
544 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
545 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
548 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
549 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
550 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
551 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
552 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
555 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
556 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
557 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
558 { BlackRook, BlackKnight, BlackMan, BlackFerz,
559 BlackKing, BlackMan, BlackKnight, BlackRook }
562 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
563 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
564 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
565 { BlackRook, BlackKnight, BlackMan, BlackFerz,
566 BlackKing, BlackMan, BlackKnight, BlackRook }
570 #if (BOARD_FILES>=10)
571 ChessSquare ShogiArray[2][BOARD_FILES] = {
572 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
573 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
574 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
575 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
578 ChessSquare XiangqiArray[2][BOARD_FILES] = {
579 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
580 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
581 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
582 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
585 ChessSquare CapablancaArray[2][BOARD_FILES] = {
586 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
587 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
588 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
589 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
592 ChessSquare GreatArray[2][BOARD_FILES] = {
593 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
594 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
595 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
596 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
599 ChessSquare JanusArray[2][BOARD_FILES] = {
600 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
601 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
602 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
603 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
606 ChessSquare GrandArray[2][BOARD_FILES] = {
607 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
608 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
609 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
610 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
614 ChessSquare GothicArray[2][BOARD_FILES] = {
615 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
616 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
617 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
618 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
621 #define GothicArray CapablancaArray
625 ChessSquare FalconArray[2][BOARD_FILES] = {
626 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
627 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
628 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
629 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
632 #define FalconArray CapablancaArray
635 #else // !(BOARD_FILES>=10)
636 #define XiangqiPosition FIDEArray
637 #define CapablancaArray FIDEArray
638 #define GothicArray FIDEArray
639 #define GreatArray FIDEArray
640 #endif // !(BOARD_FILES>=10)
642 #if (BOARD_FILES>=12)
643 ChessSquare CourierArray[2][BOARD_FILES] = {
644 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
645 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
646 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
647 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
649 ChessSquare ChuArray[6][BOARD_FILES] = {
650 { WhiteLance, WhiteUnicorn, WhiteMan, WhiteFerz, WhiteWazir, WhiteKing,
651 WhiteAlfil, WhiteWazir, WhiteFerz, WhiteMan, WhiteUnicorn, WhiteLance },
652 { BlackLance, BlackUnicorn, BlackMan, BlackFerz, BlackWazir, BlackAlfil,
653 BlackKing, BlackWazir, BlackFerz, BlackMan, BlackUnicorn, BlackLance },
654 { WhiteCannon, EmptySquare, WhiteBishop, EmptySquare, WhiteNightrider, WhiteMarshall,
655 WhiteAngel, WhiteNightrider, EmptySquare, WhiteBishop, EmptySquare, WhiteCannon },
656 { BlackCannon, EmptySquare, BlackBishop, EmptySquare, BlackNightrider, BlackAngel,
657 BlackMarshall, BlackNightrider, EmptySquare, BlackBishop, EmptySquare, BlackCannon },
658 { WhiteFalcon, WhiteSilver, WhiteRook, WhiteCardinal, WhiteDragon, WhiteLion,
659 WhiteQueen, WhiteDragon, WhiteCardinal, WhiteRook, WhiteSilver, WhiteFalcon },
660 { BlackFalcon, BlackSilver, BlackRook, BlackCardinal, BlackDragon, BlackQueen,
661 BlackLion, BlackDragon, BlackCardinal, BlackRook, BlackSilver, BlackFalcon }
663 #else // !(BOARD_FILES>=12)
664 #define CourierArray CapablancaArray
665 #define ChuArray CapablancaArray
666 #endif // !(BOARD_FILES>=12)
669 Board initialPosition;
672 /* Convert str to a rating. Checks for special cases of "----",
674 "++++", etc. Also strips ()'s */
676 string_to_rating (char *str)
678 while(*str && !isdigit(*str)) ++str;
680 return 0; /* One of the special "no rating" cases */
688 /* Init programStats */
689 programStats.movelist[0] = 0;
690 programStats.depth = 0;
691 programStats.nr_moves = 0;
692 programStats.moves_left = 0;
693 programStats.nodes = 0;
694 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
695 programStats.score = 0;
696 programStats.got_only_move = 0;
697 programStats.got_fail = 0;
698 programStats.line_is_book = 0;
703 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
704 if (appData.firstPlaysBlack) {
705 first.twoMachinesColor = "black\n";
706 second.twoMachinesColor = "white\n";
708 first.twoMachinesColor = "white\n";
709 second.twoMachinesColor = "black\n";
712 first.other = &second;
713 second.other = &first;
716 if(appData.timeOddsMode) {
717 norm = appData.timeOdds[0];
718 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
720 first.timeOdds = appData.timeOdds[0]/norm;
721 second.timeOdds = appData.timeOdds[1]/norm;
724 if(programVersion) free(programVersion);
725 if (appData.noChessProgram) {
726 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
727 sprintf(programVersion, "%s", PACKAGE_STRING);
729 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
730 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
731 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
736 UnloadEngine (ChessProgramState *cps)
738 /* Kill off first chess program */
739 if (cps->isr != NULL)
740 RemoveInputSource(cps->isr);
743 if (cps->pr != NoProc) {
745 DoSleep( appData.delayBeforeQuit );
746 SendToProgram("quit\n", cps);
747 DoSleep( appData.delayAfterQuit );
748 DestroyChildProcess(cps->pr, cps->useSigterm);
751 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
755 ClearOptions (ChessProgramState *cps)
758 cps->nrOptions = cps->comboCnt = 0;
759 for(i=0; i<MAX_OPTIONS; i++) {
760 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
761 cps->option[i].textValue = 0;
765 char *engineNames[] = {
766 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
767 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
769 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
770 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
775 InitEngine (ChessProgramState *cps, int n)
776 { // [HGM] all engine initialiation put in a function that does one engine
780 cps->which = engineNames[n];
781 cps->maybeThinking = FALSE;
785 cps->sendDrawOffers = 1;
787 cps->program = appData.chessProgram[n];
788 cps->host = appData.host[n];
789 cps->dir = appData.directory[n];
790 cps->initString = appData.engInitString[n];
791 cps->computerString = appData.computerString[n];
792 cps->useSigint = TRUE;
793 cps->useSigterm = TRUE;
794 cps->reuse = appData.reuse[n];
795 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
796 cps->useSetboard = FALSE;
798 cps->usePing = FALSE;
801 cps->usePlayother = FALSE;
802 cps->useColors = TRUE;
803 cps->useUsermove = FALSE;
804 cps->sendICS = FALSE;
805 cps->sendName = appData.icsActive;
806 cps->sdKludge = FALSE;
807 cps->stKludge = FALSE;
808 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
809 TidyProgramName(cps->program, cps->host, cps->tidy);
811 ASSIGN(cps->variants, appData.variant);
812 cps->analysisSupport = 2; /* detect */
813 cps->analyzing = FALSE;
814 cps->initDone = FALSE;
817 /* New features added by Tord: */
818 cps->useFEN960 = FALSE;
819 cps->useOOCastle = TRUE;
820 /* End of new features added by Tord. */
821 cps->fenOverride = appData.fenOverride[n];
823 /* [HGM] time odds: set factor for each machine */
824 cps->timeOdds = appData.timeOdds[n];
826 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
827 cps->accumulateTC = appData.accumulateTC[n];
828 cps->maxNrOfSessions = 1;
833 cps->supportsNPS = UNKNOWN;
834 cps->memSize = FALSE;
835 cps->maxCores = FALSE;
836 ASSIGN(cps->egtFormats, "");
839 cps->optionSettings = appData.engOptions[n];
841 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
842 cps->isUCI = appData.isUCI[n]; /* [AS] */
843 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
846 if (appData.protocolVersion[n] > PROTOVER
847 || appData.protocolVersion[n] < 1)
852 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
853 appData.protocolVersion[n]);
854 if( (len >= MSG_SIZ) && appData.debugMode )
855 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
857 DisplayFatalError(buf, 0, 2);
861 cps->protocolVersion = appData.protocolVersion[n];
864 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
865 ParseFeatures(appData.featureDefaults, cps);
868 ChessProgramState *savCps;
876 if(WaitForEngine(savCps, LoadEngine)) return;
877 CommonEngineInit(); // recalculate time odds
878 if(gameInfo.variant != StringToVariant(appData.variant)) {
879 // we changed variant when loading the engine; this forces us to reset
880 Reset(TRUE, savCps != &first);
881 oldMode = BeginningOfGame; // to prevent restoring old mode
883 InitChessProgram(savCps, FALSE);
884 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
885 DisplayMessage("", "");
886 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
887 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
890 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
894 ReplaceEngine (ChessProgramState *cps, int n)
896 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
898 if(oldMode != BeginningOfGame) EditGameEvent();
901 appData.noChessProgram = FALSE;
902 appData.clockMode = TRUE;
905 if(n) return; // only startup first engine immediately; second can wait
906 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
910 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
911 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
913 static char resetOptions[] =
914 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
915 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
916 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
917 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
920 FloatToFront(char **list, char *engineLine)
922 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
924 if(appData.recentEngines <= 0) return;
925 TidyProgramName(engineLine, "localhost", tidy+1);
926 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
927 strncpy(buf+1, *list, MSG_SIZ-50);
928 if(p = strstr(buf, tidy)) { // tidy name appears in list
929 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
930 while(*p++ = *++q); // squeeze out
932 strcat(tidy, buf+1); // put list behind tidy name
933 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
934 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
935 ASSIGN(*list, tidy+1);
938 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
941 Load (ChessProgramState *cps, int i)
943 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ], buf3[MSG_SIZ], jar;
944 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
945 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
946 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
947 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
948 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
949 appData.firstProtocolVersion = PROTOVER;
950 ParseArgsFromString(buf);
952 ReplaceEngine(cps, i);
953 FloatToFront(&appData.recentEngineList, engineLine);
957 while(q = strchr(p, SLASH)) p = q+1;
958 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
959 if(engineDir[0] != NULLCHAR) {
960 ASSIGN(appData.directory[i], engineDir); p = engineName;
961 } else if(p != engineName) { // derive directory from engine path, when not given
963 ASSIGN(appData.directory[i], engineName);
965 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
966 } else { ASSIGN(appData.directory[i], "."); }
967 jar = (strstr(p, ".jar") == p + strlen(p) - 4);
969 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
970 snprintf(command, MSG_SIZ, "%s %s", p, params);
973 if(jar) { snprintf(buf3, MSG_SIZ, "java -jar %s", p); p = buf3; }
974 ASSIGN(appData.chessProgram[i], p);
975 appData.isUCI[i] = isUCI;
976 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
977 appData.hasOwnBookUCI[i] = hasBook;
978 if(!nickName[0]) useNick = FALSE;
979 if(useNick) ASSIGN(appData.pgnName[i], nickName);
983 q = firstChessProgramNames;
984 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
985 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
986 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
987 quote, p, quote, appData.directory[i],
988 useNick ? " -fn \"" : "",
989 useNick ? nickName : "",
991 v1 ? " -firstProtocolVersion 1" : "",
992 hasBook ? "" : " -fNoOwnBookUCI",
993 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
994 storeVariant ? " -variant " : "",
995 storeVariant ? VariantName(gameInfo.variant) : "");
996 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
997 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
998 if(insert != q) insert[-1] = NULLCHAR;
999 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
1001 FloatToFront(&appData.recentEngineList, buf);
1003 ReplaceEngine(cps, i);
1009 int matched, min, sec;
1011 * Parse timeControl resource
1013 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
1014 appData.movesPerSession)) {
1016 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1017 DisplayFatalError(buf, 0, 2);
1021 * Parse searchTime resource
1023 if (*appData.searchTime != NULLCHAR) {
1024 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1026 searchTime = min * 60;
1027 } else if (matched == 2) {
1028 searchTime = min * 60 + sec;
1031 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1032 DisplayFatalError(buf, 0, 2);
1041 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1042 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1044 GetTimeMark(&programStartTime);
1045 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1046 appData.seedBase = random() + (random()<<15);
1047 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1049 ClearProgramStats();
1050 programStats.ok_to_send = 1;
1051 programStats.seen_stat = 0;
1054 * Initialize game list
1060 * Internet chess server status
1062 if (appData.icsActive) {
1063 appData.matchMode = FALSE;
1064 appData.matchGames = 0;
1066 appData.noChessProgram = !appData.zippyPlay;
1068 appData.zippyPlay = FALSE;
1069 appData.zippyTalk = FALSE;
1070 appData.noChessProgram = TRUE;
1072 if (*appData.icsHelper != NULLCHAR) {
1073 appData.useTelnet = TRUE;
1074 appData.telnetProgram = appData.icsHelper;
1077 appData.zippyTalk = appData.zippyPlay = FALSE;
1080 /* [AS] Initialize pv info list [HGM] and game state */
1084 for( i=0; i<=framePtr; i++ ) {
1085 pvInfoList[i].depth = -1;
1086 boards[i][EP_STATUS] = EP_NONE;
1087 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1093 /* [AS] Adjudication threshold */
1094 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1096 InitEngine(&first, 0);
1097 InitEngine(&second, 1);
1100 pairing.which = "pairing"; // pairing engine
1101 pairing.pr = NoProc;
1103 pairing.program = appData.pairingEngine;
1104 pairing.host = "localhost";
1107 if (appData.icsActive) {
1108 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1109 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1110 appData.clockMode = FALSE;
1111 first.sendTime = second.sendTime = 0;
1115 /* Override some settings from environment variables, for backward
1116 compatibility. Unfortunately it's not feasible to have the env
1117 vars just set defaults, at least in xboard. Ugh.
1119 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1124 if (!appData.icsActive) {
1128 /* Check for variants that are supported only in ICS mode,
1129 or not at all. Some that are accepted here nevertheless
1130 have bugs; see comments below.
1132 VariantClass variant = StringToVariant(appData.variant);
1134 case VariantBughouse: /* need four players and two boards */
1135 case VariantKriegspiel: /* need to hide pieces and move details */
1136 /* case VariantFischeRandom: (Fabien: moved below) */
1137 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1138 if( (len >= MSG_SIZ) && appData.debugMode )
1139 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1141 DisplayFatalError(buf, 0, 2);
1144 case VariantUnknown:
1145 case VariantLoadable:
1155 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1156 if( (len >= MSG_SIZ) && appData.debugMode )
1157 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1159 DisplayFatalError(buf, 0, 2);
1162 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1163 case VariantFairy: /* [HGM] TestLegality definitely off! */
1164 case VariantGothic: /* [HGM] should work */
1165 case VariantCapablanca: /* [HGM] should work */
1166 case VariantCourier: /* [HGM] initial forced moves not implemented */
1167 case VariantShogi: /* [HGM] could still mate with pawn drop */
1168 case VariantChu: /* [HGM] experimental */
1169 case VariantKnightmate: /* [HGM] should work */
1170 case VariantCylinder: /* [HGM] untested */
1171 case VariantFalcon: /* [HGM] untested */
1172 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1173 offboard interposition not understood */
1174 case VariantNormal: /* definitely works! */
1175 case VariantWildCastle: /* pieces not automatically shuffled */
1176 case VariantNoCastle: /* pieces not automatically shuffled */
1177 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1178 case VariantLosers: /* should work except for win condition,
1179 and doesn't know captures are mandatory */
1180 case VariantSuicide: /* should work except for win condition,
1181 and doesn't know captures are mandatory */
1182 case VariantGiveaway: /* should work except for win condition,
1183 and doesn't know captures are mandatory */
1184 case VariantTwoKings: /* should work */
1185 case VariantAtomic: /* should work except for win condition */
1186 case Variant3Check: /* should work except for win condition */
1187 case VariantShatranj: /* should work except for all win conditions */
1188 case VariantMakruk: /* should work except for draw countdown */
1189 case VariantASEAN : /* should work except for draw countdown */
1190 case VariantBerolina: /* might work if TestLegality is off */
1191 case VariantCapaRandom: /* should work */
1192 case VariantJanus: /* should work */
1193 case VariantSuper: /* experimental */
1194 case VariantGreat: /* experimental, requires legality testing to be off */
1195 case VariantSChess: /* S-Chess, should work */
1196 case VariantGrand: /* should work */
1197 case VariantSpartan: /* should work */
1205 NextIntegerFromString (char ** str, long * value)
1210 while( *s == ' ' || *s == '\t' ) {
1216 if( *s >= '0' && *s <= '9' ) {
1217 while( *s >= '0' && *s <= '9' ) {
1218 *value = *value * 10 + (*s - '0');
1231 NextTimeControlFromString (char ** str, long * value)
1234 int result = NextIntegerFromString( str, &temp );
1237 *value = temp * 60; /* Minutes */
1238 if( **str == ':' ) {
1240 result = NextIntegerFromString( str, &temp );
1241 *value += temp; /* Seconds */
1249 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1250 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1251 int result = -1, type = 0; long temp, temp2;
1253 if(**str != ':') return -1; // old params remain in force!
1255 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1256 if( NextIntegerFromString( str, &temp ) ) return -1;
1257 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1260 /* time only: incremental or sudden-death time control */
1261 if(**str == '+') { /* increment follows; read it */
1263 if(**str == '!') type = *(*str)++; // Bronstein TC
1264 if(result = NextIntegerFromString( str, &temp2)) return -1;
1265 *inc = temp2 * 1000;
1266 if(**str == '.') { // read fraction of increment
1267 char *start = ++(*str);
1268 if(result = NextIntegerFromString( str, &temp2)) return -1;
1270 while(start++ < *str) temp2 /= 10;
1274 *moves = 0; *tc = temp * 1000; *incType = type;
1278 (*str)++; /* classical time control */
1279 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1291 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1292 { /* [HGM] get time to add from the multi-session time-control string */
1293 int incType, moves=1; /* kludge to force reading of first session */
1294 long time, increment;
1297 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1299 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1300 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1301 if(movenr == -1) return time; /* last move before new session */
1302 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1303 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1304 if(!moves) return increment; /* current session is incremental */
1305 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1306 } while(movenr >= -1); /* try again for next session */
1308 return 0; // no new time quota on this move
1312 ParseTimeControl (char *tc, float ti, int mps)
1316 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1319 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1320 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1321 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1325 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1327 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1330 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1332 snprintf(buf, MSG_SIZ, ":%s", mytc);
1334 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1336 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1341 /* Parse second time control */
1344 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1352 timeControl_2 = tc2 * 1000;
1362 timeControl = tc1 * 1000;
1365 timeIncrement = ti * 1000; /* convert to ms */
1366 movesPerSession = 0;
1369 movesPerSession = mps;
1377 if (appData.debugMode) {
1378 # ifdef __GIT_VERSION
1379 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1381 fprintf(debugFP, "Version: %s\n", programVersion);
1384 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1386 set_cont_sequence(appData.wrapContSeq);
1387 if (appData.matchGames > 0) {
1388 appData.matchMode = TRUE;
1389 } else if (appData.matchMode) {
1390 appData.matchGames = 1;
1392 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1393 appData.matchGames = appData.sameColorGames;
1394 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1395 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1396 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1399 if (appData.noChessProgram || first.protocolVersion == 1) {
1402 /* kludge: allow timeout for initial "feature" commands */
1404 DisplayMessage("", _("Starting chess program"));
1405 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1410 CalculateIndex (int index, int gameNr)
1411 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1413 if(index > 0) return index; // fixed nmber
1414 if(index == 0) return 1;
1415 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1416 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1421 LoadGameOrPosition (int gameNr)
1422 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1423 if (*appData.loadGameFile != NULLCHAR) {
1424 if (!LoadGameFromFile(appData.loadGameFile,
1425 CalculateIndex(appData.loadGameIndex, gameNr),
1426 appData.loadGameFile, FALSE)) {
1427 DisplayFatalError(_("Bad game file"), 0, 1);
1430 } else if (*appData.loadPositionFile != NULLCHAR) {
1431 if (!LoadPositionFromFile(appData.loadPositionFile,
1432 CalculateIndex(appData.loadPositionIndex, gameNr),
1433 appData.loadPositionFile)) {
1434 DisplayFatalError(_("Bad position file"), 0, 1);
1442 ReserveGame (int gameNr, char resChar)
1444 FILE *tf = fopen(appData.tourneyFile, "r+");
1445 char *p, *q, c, buf[MSG_SIZ];
1446 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1447 safeStrCpy(buf, lastMsg, MSG_SIZ);
1448 DisplayMessage(_("Pick new game"), "");
1449 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1450 ParseArgsFromFile(tf);
1451 p = q = appData.results;
1452 if(appData.debugMode) {
1453 char *r = appData.participants;
1454 fprintf(debugFP, "results = '%s'\n", p);
1455 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1456 fprintf(debugFP, "\n");
1458 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1460 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1461 safeStrCpy(q, p, strlen(p) + 2);
1462 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1463 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1464 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1465 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1468 fseek(tf, -(strlen(p)+4), SEEK_END);
1470 if(c != '"') // depending on DOS or Unix line endings we can be one off
1471 fseek(tf, -(strlen(p)+2), SEEK_END);
1472 else fseek(tf, -(strlen(p)+3), SEEK_END);
1473 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1474 DisplayMessage(buf, "");
1475 free(p); appData.results = q;
1476 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1477 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1478 int round = appData.defaultMatchGames * appData.tourneyType;
1479 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1480 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1481 UnloadEngine(&first); // next game belongs to other pairing;
1482 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1484 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1488 MatchEvent (int mode)
1489 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1491 if(matchMode) { // already in match mode: switch it off
1493 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1496 // if(gameMode != BeginningOfGame) {
1497 // DisplayError(_("You can only start a match from the initial position."), 0);
1501 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1502 /* Set up machine vs. machine match */
1504 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1505 if(appData.tourneyFile[0]) {
1507 if(nextGame > appData.matchGames) {
1509 if(strchr(appData.results, '*') == NULL) {
1511 appData.tourneyCycles++;
1512 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1514 NextTourneyGame(-1, &dummy);
1516 if(nextGame <= appData.matchGames) {
1517 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1519 ScheduleDelayedEvent(NextMatchGame, 10000);
1524 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1525 DisplayError(buf, 0);
1526 appData.tourneyFile[0] = 0;
1530 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1531 DisplayFatalError(_("Can't have a match with no chess programs"),
1536 matchGame = roundNr = 1;
1537 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1541 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1544 InitBackEnd3 P((void))
1546 GameMode initialMode;
1550 InitChessProgram(&first, startedFromSetupPosition);
1552 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1553 free(programVersion);
1554 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1555 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1556 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1559 if (appData.icsActive) {
1561 /* [DM] Make a console window if needed [HGM] merged ifs */
1567 if (*appData.icsCommPort != NULLCHAR)
1568 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1569 appData.icsCommPort);
1571 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1572 appData.icsHost, appData.icsPort);
1574 if( (len >= MSG_SIZ) && appData.debugMode )
1575 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1577 DisplayFatalError(buf, err, 1);
1582 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1584 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1585 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1586 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1587 } else if (appData.noChessProgram) {
1593 if (*appData.cmailGameName != NULLCHAR) {
1595 OpenLoopback(&cmailPR);
1597 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1601 DisplayMessage("", "");
1602 if (StrCaseCmp(appData.initialMode, "") == 0) {
1603 initialMode = BeginningOfGame;
1604 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1605 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1606 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1607 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1610 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1611 initialMode = TwoMachinesPlay;
1612 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1613 initialMode = AnalyzeFile;
1614 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1615 initialMode = AnalyzeMode;
1616 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1617 initialMode = MachinePlaysWhite;
1618 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1619 initialMode = MachinePlaysBlack;
1620 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1621 initialMode = EditGame;
1622 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1623 initialMode = EditPosition;
1624 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1625 initialMode = Training;
1627 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1628 if( (len >= MSG_SIZ) && appData.debugMode )
1629 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1631 DisplayFatalError(buf, 0, 2);
1635 if (appData.matchMode) {
1636 if(appData.tourneyFile[0]) { // start tourney from command line
1638 if(f = fopen(appData.tourneyFile, "r")) {
1639 ParseArgsFromFile(f); // make sure tourney parmeters re known
1641 appData.clockMode = TRUE;
1643 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1646 } else if (*appData.cmailGameName != NULLCHAR) {
1647 /* Set up cmail mode */
1648 ReloadCmailMsgEvent(TRUE);
1650 /* Set up other modes */
1651 if (initialMode == AnalyzeFile) {
1652 if (*appData.loadGameFile == NULLCHAR) {
1653 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1657 if (*appData.loadGameFile != NULLCHAR) {
1658 (void) LoadGameFromFile(appData.loadGameFile,
1659 appData.loadGameIndex,
1660 appData.loadGameFile, TRUE);
1661 } else if (*appData.loadPositionFile != NULLCHAR) {
1662 (void) LoadPositionFromFile(appData.loadPositionFile,
1663 appData.loadPositionIndex,
1664 appData.loadPositionFile);
1665 /* [HGM] try to make self-starting even after FEN load */
1666 /* to allow automatic setup of fairy variants with wtm */
1667 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1668 gameMode = BeginningOfGame;
1669 setboardSpoiledMachineBlack = 1;
1671 /* [HGM] loadPos: make that every new game uses the setup */
1672 /* from file as long as we do not switch variant */
1673 if(!blackPlaysFirst) {
1674 startedFromPositionFile = TRUE;
1675 CopyBoard(filePosition, boards[0]);
1678 if (initialMode == AnalyzeMode) {
1679 if (appData.noChessProgram) {
1680 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1683 if (appData.icsActive) {
1684 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1688 } else if (initialMode == AnalyzeFile) {
1689 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1690 ShowThinkingEvent();
1692 AnalysisPeriodicEvent(1);
1693 } else if (initialMode == MachinePlaysWhite) {
1694 if (appData.noChessProgram) {
1695 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1699 if (appData.icsActive) {
1700 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1704 MachineWhiteEvent();
1705 } else if (initialMode == MachinePlaysBlack) {
1706 if (appData.noChessProgram) {
1707 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1711 if (appData.icsActive) {
1712 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1716 MachineBlackEvent();
1717 } else if (initialMode == TwoMachinesPlay) {
1718 if (appData.noChessProgram) {
1719 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1723 if (appData.icsActive) {
1724 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1729 } else if (initialMode == EditGame) {
1731 } else if (initialMode == EditPosition) {
1732 EditPositionEvent();
1733 } else if (initialMode == Training) {
1734 if (*appData.loadGameFile == NULLCHAR) {
1735 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1744 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1746 DisplayBook(current+1);
1748 MoveHistorySet( movelist, first, last, current, pvInfoList );
1750 EvalGraphSet( first, last, current, pvInfoList );
1752 MakeEngineOutputTitle();
1756 * Establish will establish a contact to a remote host.port.
1757 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1758 * used to talk to the host.
1759 * Returns 0 if okay, error code if not.
1766 if (*appData.icsCommPort != NULLCHAR) {
1767 /* Talk to the host through a serial comm port */
1768 return OpenCommPort(appData.icsCommPort, &icsPR);
1770 } else if (*appData.gateway != NULLCHAR) {
1771 if (*appData.remoteShell == NULLCHAR) {
1772 /* Use the rcmd protocol to run telnet program on a gateway host */
1773 snprintf(buf, sizeof(buf), "%s %s %s",
1774 appData.telnetProgram, appData.icsHost, appData.icsPort);
1775 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1778 /* Use the rsh program to run telnet program on a gateway host */
1779 if (*appData.remoteUser == NULLCHAR) {
1780 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1781 appData.gateway, appData.telnetProgram,
1782 appData.icsHost, appData.icsPort);
1784 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1785 appData.remoteShell, appData.gateway,
1786 appData.remoteUser, appData.telnetProgram,
1787 appData.icsHost, appData.icsPort);
1789 return StartChildProcess(buf, "", &icsPR);
1792 } else if (appData.useTelnet) {
1793 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1796 /* TCP socket interface differs somewhat between
1797 Unix and NT; handle details in the front end.
1799 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1804 EscapeExpand (char *p, char *q)
1805 { // [HGM] initstring: routine to shape up string arguments
1806 while(*p++ = *q++) if(p[-1] == '\\')
1808 case 'n': p[-1] = '\n'; break;
1809 case 'r': p[-1] = '\r'; break;
1810 case 't': p[-1] = '\t'; break;
1811 case '\\': p[-1] = '\\'; break;
1812 case 0: *p = 0; return;
1813 default: p[-1] = q[-1]; break;
1818 show_bytes (FILE *fp, char *buf, int count)
1821 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1822 fprintf(fp, "\\%03o", *buf & 0xff);
1831 /* Returns an errno value */
1833 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1835 char buf[8192], *p, *q, *buflim;
1836 int left, newcount, outcount;
1838 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1839 *appData.gateway != NULLCHAR) {
1840 if (appData.debugMode) {
1841 fprintf(debugFP, ">ICS: ");
1842 show_bytes(debugFP, message, count);
1843 fprintf(debugFP, "\n");
1845 return OutputToProcess(pr, message, count, outError);
1848 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1855 if (appData.debugMode) {
1856 fprintf(debugFP, ">ICS: ");
1857 show_bytes(debugFP, buf, newcount);
1858 fprintf(debugFP, "\n");
1860 outcount = OutputToProcess(pr, buf, newcount, outError);
1861 if (outcount < newcount) return -1; /* to be sure */
1868 } else if (((unsigned char) *p) == TN_IAC) {
1869 *q++ = (char) TN_IAC;
1876 if (appData.debugMode) {
1877 fprintf(debugFP, ">ICS: ");
1878 show_bytes(debugFP, buf, newcount);
1879 fprintf(debugFP, "\n");
1881 outcount = OutputToProcess(pr, buf, newcount, outError);
1882 if (outcount < newcount) return -1; /* to be sure */
1887 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1889 int outError, outCount;
1890 static int gotEof = 0;
1893 /* Pass data read from player on to ICS */
1896 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1897 if (outCount < count) {
1898 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1900 if(have_sent_ICS_logon == 2) {
1901 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1902 fprintf(ini, "%s", message);
1903 have_sent_ICS_logon = 3;
1905 have_sent_ICS_logon = 1;
1906 } else if(have_sent_ICS_logon == 3) {
1907 fprintf(ini, "%s", message);
1909 have_sent_ICS_logon = 1;
1911 } else if (count < 0) {
1912 RemoveInputSource(isr);
1913 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1914 } else if (gotEof++ > 0) {
1915 RemoveInputSource(isr);
1916 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1922 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1923 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1924 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1925 SendToICS("date\n");
1926 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1929 /* added routine for printf style output to ics */
1931 ics_printf (char *format, ...)
1933 char buffer[MSG_SIZ];
1936 va_start(args, format);
1937 vsnprintf(buffer, sizeof(buffer), format, args);
1938 buffer[sizeof(buffer)-1] = '\0';
1946 int count, outCount, outError;
1948 if (icsPR == NoProc) return;
1951 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1952 if (outCount < count) {
1953 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1957 /* This is used for sending logon scripts to the ICS. Sending
1958 without a delay causes problems when using timestamp on ICC
1959 (at least on my machine). */
1961 SendToICSDelayed (char *s, long msdelay)
1963 int count, outCount, outError;
1965 if (icsPR == NoProc) return;
1968 if (appData.debugMode) {
1969 fprintf(debugFP, ">ICS: ");
1970 show_bytes(debugFP, s, count);
1971 fprintf(debugFP, "\n");
1973 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1975 if (outCount < count) {
1976 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1981 /* Remove all highlighting escape sequences in s
1982 Also deletes any suffix starting with '('
1985 StripHighlightAndTitle (char *s)
1987 static char retbuf[MSG_SIZ];
1990 while (*s != NULLCHAR) {
1991 while (*s == '\033') {
1992 while (*s != NULLCHAR && !isalpha(*s)) s++;
1993 if (*s != NULLCHAR) s++;
1995 while (*s != NULLCHAR && *s != '\033') {
1996 if (*s == '(' || *s == '[') {
2007 /* Remove all highlighting escape sequences in s */
2009 StripHighlight (char *s)
2011 static char retbuf[MSG_SIZ];
2014 while (*s != NULLCHAR) {
2015 while (*s == '\033') {
2016 while (*s != NULLCHAR && !isalpha(*s)) s++;
2017 if (*s != NULLCHAR) s++;
2019 while (*s != NULLCHAR && *s != '\033') {
2027 char engineVariant[MSG_SIZ];
2028 char *variantNames[] = VARIANT_NAMES;
2030 VariantName (VariantClass v)
2032 if(v == VariantUnknown || *engineVariant) return engineVariant;
2033 return variantNames[v];
2037 /* Identify a variant from the strings the chess servers use or the
2038 PGN Variant tag names we use. */
2040 StringToVariant (char *e)
2044 VariantClass v = VariantNormal;
2045 int i, found = FALSE;
2051 /* [HGM] skip over optional board-size prefixes */
2052 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
2053 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
2054 while( *e++ != '_');
2057 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2061 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2062 if (StrCaseStr(e, variantNames[i])) {
2063 v = (VariantClass) i;
2070 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2071 || StrCaseStr(e, "wild/fr")
2072 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2073 v = VariantFischeRandom;
2074 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2075 (i = 1, p = StrCaseStr(e, "w"))) {
2077 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2084 case 0: /* FICS only, actually */
2086 /* Castling legal even if K starts on d-file */
2087 v = VariantWildCastle;
2092 /* Castling illegal even if K & R happen to start in
2093 normal positions. */
2094 v = VariantNoCastle;
2107 /* Castling legal iff K & R start in normal positions */
2113 /* Special wilds for position setup; unclear what to do here */
2114 v = VariantLoadable;
2117 /* Bizarre ICC game */
2118 v = VariantTwoKings;
2121 v = VariantKriegspiel;
2127 v = VariantFischeRandom;
2130 v = VariantCrazyhouse;
2133 v = VariantBughouse;
2139 /* Not quite the same as FICS suicide! */
2140 v = VariantGiveaway;
2146 v = VariantShatranj;
2149 /* Temporary names for future ICC types. The name *will* change in
2150 the next xboard/WinBoard release after ICC defines it. */
2188 v = VariantCapablanca;
2191 v = VariantKnightmate;
2197 v = VariantCylinder;
2203 v = VariantCapaRandom;
2206 v = VariantBerolina;
2218 /* Found "wild" or "w" in the string but no number;
2219 must assume it's normal chess. */
2223 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2224 if( (len >= MSG_SIZ) && appData.debugMode )
2225 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2227 DisplayError(buf, 0);
2233 if (appData.debugMode) {
2234 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2235 e, wnum, VariantName(v));
2240 static int leftover_start = 0, leftover_len = 0;
2241 char star_match[STAR_MATCH_N][MSG_SIZ];
2243 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2244 advance *index beyond it, and set leftover_start to the new value of
2245 *index; else return FALSE. If pattern contains the character '*', it
2246 matches any sequence of characters not containing '\r', '\n', or the
2247 character following the '*' (if any), and the matched sequence(s) are
2248 copied into star_match.
2251 looking_at ( char *buf, int *index, char *pattern)
2253 char *bufp = &buf[*index], *patternp = pattern;
2255 char *matchp = star_match[0];
2258 if (*patternp == NULLCHAR) {
2259 *index = leftover_start = bufp - buf;
2263 if (*bufp == NULLCHAR) return FALSE;
2264 if (*patternp == '*') {
2265 if (*bufp == *(patternp + 1)) {
2267 matchp = star_match[++star_count];
2271 } else if (*bufp == '\n' || *bufp == '\r') {
2273 if (*patternp == NULLCHAR)
2278 *matchp++ = *bufp++;
2282 if (*patternp != *bufp) return FALSE;
2289 SendToPlayer (char *data, int length)
2291 int error, outCount;
2292 outCount = OutputToProcess(NoProc, data, length, &error);
2293 if (outCount < length) {
2294 DisplayFatalError(_("Error writing to display"), error, 1);
2299 PackHolding (char packed[], char *holding)
2309 switch (runlength) {
2320 sprintf(q, "%d", runlength);
2332 /* Telnet protocol requests from the front end */
2334 TelnetRequest (unsigned char ddww, unsigned char option)
2336 unsigned char msg[3];
2337 int outCount, outError;
2339 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2341 if (appData.debugMode) {
2342 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2358 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2367 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2370 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2375 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2377 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2384 if (!appData.icsActive) return;
2385 TelnetRequest(TN_DO, TN_ECHO);
2391 if (!appData.icsActive) return;
2392 TelnetRequest(TN_DONT, TN_ECHO);
2396 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2398 /* put the holdings sent to us by the server on the board holdings area */
2399 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2403 if(gameInfo.holdingsWidth < 2) return;
2404 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2405 return; // prevent overwriting by pre-board holdings
2407 if( (int)lowestPiece >= BlackPawn ) {
2410 holdingsStartRow = BOARD_HEIGHT-1;
2413 holdingsColumn = BOARD_WIDTH-1;
2414 countsColumn = BOARD_WIDTH-2;
2415 holdingsStartRow = 0;
2419 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2420 board[i][holdingsColumn] = EmptySquare;
2421 board[i][countsColumn] = (ChessSquare) 0;
2423 while( (p=*holdings++) != NULLCHAR ) {
2424 piece = CharToPiece( ToUpper(p) );
2425 if(piece == EmptySquare) continue;
2426 /*j = (int) piece - (int) WhitePawn;*/
2427 j = PieceToNumber(piece);
2428 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2429 if(j < 0) continue; /* should not happen */
2430 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2431 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2432 board[holdingsStartRow+j*direction][countsColumn]++;
2438 VariantSwitch (Board board, VariantClass newVariant)
2440 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2441 static Board oldBoard;
2443 startedFromPositionFile = FALSE;
2444 if(gameInfo.variant == newVariant) return;
2446 /* [HGM] This routine is called each time an assignment is made to
2447 * gameInfo.variant during a game, to make sure the board sizes
2448 * are set to match the new variant. If that means adding or deleting
2449 * holdings, we shift the playing board accordingly
2450 * This kludge is needed because in ICS observe mode, we get boards
2451 * of an ongoing game without knowing the variant, and learn about the
2452 * latter only later. This can be because of the move list we requested,
2453 * in which case the game history is refilled from the beginning anyway,
2454 * but also when receiving holdings of a crazyhouse game. In the latter
2455 * case we want to add those holdings to the already received position.
2459 if (appData.debugMode) {
2460 fprintf(debugFP, "Switch board from %s to %s\n",
2461 VariantName(gameInfo.variant), VariantName(newVariant));
2462 setbuf(debugFP, NULL);
2464 shuffleOpenings = 0; /* [HGM] shuffle */
2465 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2469 newWidth = 9; newHeight = 9;
2470 gameInfo.holdingsSize = 7;
2471 case VariantBughouse:
2472 case VariantCrazyhouse:
2473 newHoldingsWidth = 2; break;
2477 newHoldingsWidth = 2;
2478 gameInfo.holdingsSize = 8;
2481 case VariantCapablanca:
2482 case VariantCapaRandom:
2485 newHoldingsWidth = gameInfo.holdingsSize = 0;
2488 if(newWidth != gameInfo.boardWidth ||
2489 newHeight != gameInfo.boardHeight ||
2490 newHoldingsWidth != gameInfo.holdingsWidth ) {
2492 /* shift position to new playing area, if needed */
2493 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2494 for(i=0; i<BOARD_HEIGHT; i++)
2495 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2496 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2498 for(i=0; i<newHeight; i++) {
2499 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2500 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2502 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2503 for(i=0; i<BOARD_HEIGHT; i++)
2504 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2505 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2508 board[HOLDINGS_SET] = 0;
2509 gameInfo.boardWidth = newWidth;
2510 gameInfo.boardHeight = newHeight;
2511 gameInfo.holdingsWidth = newHoldingsWidth;
2512 gameInfo.variant = newVariant;
2513 InitDrawingSizes(-2, 0);
2514 } else gameInfo.variant = newVariant;
2515 CopyBoard(oldBoard, board); // remember correctly formatted board
2516 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2517 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2520 static int loggedOn = FALSE;
2522 /*-- Game start info cache: --*/
2524 char gs_kind[MSG_SIZ];
2525 static char player1Name[128] = "";
2526 static char player2Name[128] = "";
2527 static char cont_seq[] = "\n\\ ";
2528 static int player1Rating = -1;
2529 static int player2Rating = -1;
2530 /*----------------------------*/
2532 ColorClass curColor = ColorNormal;
2533 int suppressKibitz = 0;
2536 Boolean soughtPending = FALSE;
2537 Boolean seekGraphUp;
2538 #define MAX_SEEK_ADS 200
2540 char *seekAdList[MAX_SEEK_ADS];
2541 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2542 float tcList[MAX_SEEK_ADS];
2543 char colorList[MAX_SEEK_ADS];
2544 int nrOfSeekAds = 0;
2545 int minRating = 1010, maxRating = 2800;
2546 int hMargin = 10, vMargin = 20, h, w;
2547 extern int squareSize, lineGap;
2552 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2553 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2554 if(r < minRating+100 && r >=0 ) r = minRating+100;
2555 if(r > maxRating) r = maxRating;
2556 if(tc < 1.f) tc = 1.f;
2557 if(tc > 95.f) tc = 95.f;
2558 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2559 y = ((double)r - minRating)/(maxRating - minRating)
2560 * (h-vMargin-squareSize/8-1) + vMargin;
2561 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2562 if(strstr(seekAdList[i], " u ")) color = 1;
2563 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2564 !strstr(seekAdList[i], "bullet") &&
2565 !strstr(seekAdList[i], "blitz") &&
2566 !strstr(seekAdList[i], "standard") ) color = 2;
2567 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2568 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2572 PlotSingleSeekAd (int i)
2578 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2580 char buf[MSG_SIZ], *ext = "";
2581 VariantClass v = StringToVariant(type);
2582 if(strstr(type, "wild")) {
2583 ext = type + 4; // append wild number
2584 if(v == VariantFischeRandom) type = "chess960"; else
2585 if(v == VariantLoadable) type = "setup"; else
2586 type = VariantName(v);
2588 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2589 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2590 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2591 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2592 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2593 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2594 seekNrList[nrOfSeekAds] = nr;
2595 zList[nrOfSeekAds] = 0;
2596 seekAdList[nrOfSeekAds++] = StrSave(buf);
2597 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2602 EraseSeekDot (int i)
2604 int x = xList[i], y = yList[i], d=squareSize/4, k;
2605 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2606 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2607 // now replot every dot that overlapped
2608 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2609 int xx = xList[k], yy = yList[k];
2610 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2611 DrawSeekDot(xx, yy, colorList[k]);
2616 RemoveSeekAd (int nr)
2619 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2621 if(seekAdList[i]) free(seekAdList[i]);
2622 seekAdList[i] = seekAdList[--nrOfSeekAds];
2623 seekNrList[i] = seekNrList[nrOfSeekAds];
2624 ratingList[i] = ratingList[nrOfSeekAds];
2625 colorList[i] = colorList[nrOfSeekAds];
2626 tcList[i] = tcList[nrOfSeekAds];
2627 xList[i] = xList[nrOfSeekAds];
2628 yList[i] = yList[nrOfSeekAds];
2629 zList[i] = zList[nrOfSeekAds];
2630 seekAdList[nrOfSeekAds] = NULL;
2636 MatchSoughtLine (char *line)
2638 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2639 int nr, base, inc, u=0; char dummy;
2641 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2642 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2644 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2645 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2646 // match: compact and save the line
2647 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2657 if(!seekGraphUp) return FALSE;
2658 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2659 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2661 DrawSeekBackground(0, 0, w, h);
2662 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2663 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2664 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2665 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2667 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2670 snprintf(buf, MSG_SIZ, "%d", i);
2671 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2674 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2675 for(i=1; i<100; i+=(i<10?1:5)) {
2676 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2677 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2678 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2680 snprintf(buf, MSG_SIZ, "%d", i);
2681 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2684 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2689 SeekGraphClick (ClickType click, int x, int y, int moving)
2691 static int lastDown = 0, displayed = 0, lastSecond;
2692 if(y < 0) return FALSE;
2693 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2694 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2695 if(!seekGraphUp) return FALSE;
2696 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2697 DrawPosition(TRUE, NULL);
2700 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2701 if(click == Release || moving) return FALSE;
2703 soughtPending = TRUE;
2704 SendToICS(ics_prefix);
2705 SendToICS("sought\n"); // should this be "sought all"?
2706 } else { // issue challenge based on clicked ad
2707 int dist = 10000; int i, closest = 0, second = 0;
2708 for(i=0; i<nrOfSeekAds; i++) {
2709 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2710 if(d < dist) { dist = d; closest = i; }
2711 second += (d - zList[i] < 120); // count in-range ads
2712 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2716 second = (second > 1);
2717 if(displayed != closest || second != lastSecond) {
2718 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2719 lastSecond = second; displayed = closest;
2721 if(click == Press) {
2722 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2725 } // on press 'hit', only show info
2726 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2727 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2728 SendToICS(ics_prefix);
2730 return TRUE; // let incoming board of started game pop down the graph
2731 } else if(click == Release) { // release 'miss' is ignored
2732 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2733 if(moving == 2) { // right up-click
2734 nrOfSeekAds = 0; // refresh graph
2735 soughtPending = TRUE;
2736 SendToICS(ics_prefix);
2737 SendToICS("sought\n"); // should this be "sought all"?
2740 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2741 // press miss or release hit 'pop down' seek graph
2742 seekGraphUp = FALSE;
2743 DrawPosition(TRUE, NULL);
2749 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2751 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2752 #define STARTED_NONE 0
2753 #define STARTED_MOVES 1
2754 #define STARTED_BOARD 2
2755 #define STARTED_OBSERVE 3
2756 #define STARTED_HOLDINGS 4
2757 #define STARTED_CHATTER 5
2758 #define STARTED_COMMENT 6
2759 #define STARTED_MOVES_NOHIDE 7
2761 static int started = STARTED_NONE;
2762 static char parse[20000];
2763 static int parse_pos = 0;
2764 static char buf[BUF_SIZE + 1];
2765 static int firstTime = TRUE, intfSet = FALSE;
2766 static ColorClass prevColor = ColorNormal;
2767 static int savingComment = FALSE;
2768 static int cmatch = 0; // continuation sequence match
2775 int backup; /* [DM] For zippy color lines */
2777 char talker[MSG_SIZ]; // [HGM] chat
2780 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2782 if (appData.debugMode) {
2784 fprintf(debugFP, "<ICS: ");
2785 show_bytes(debugFP, data, count);
2786 fprintf(debugFP, "\n");
2790 if (appData.debugMode) { int f = forwardMostMove;
2791 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2792 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2793 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2796 /* If last read ended with a partial line that we couldn't parse,
2797 prepend it to the new read and try again. */
2798 if (leftover_len > 0) {
2799 for (i=0; i<leftover_len; i++)
2800 buf[i] = buf[leftover_start + i];
2803 /* copy new characters into the buffer */
2804 bp = buf + leftover_len;
2805 buf_len=leftover_len;
2806 for (i=0; i<count; i++)
2809 if (data[i] == '\r')
2812 // join lines split by ICS?
2813 if (!appData.noJoin)
2816 Joining just consists of finding matches against the
2817 continuation sequence, and discarding that sequence
2818 if found instead of copying it. So, until a match
2819 fails, there's nothing to do since it might be the
2820 complete sequence, and thus, something we don't want
2823 if (data[i] == cont_seq[cmatch])
2826 if (cmatch == strlen(cont_seq))
2828 cmatch = 0; // complete match. just reset the counter
2831 it's possible for the ICS to not include the space
2832 at the end of the last word, making our [correct]
2833 join operation fuse two separate words. the server
2834 does this when the space occurs at the width setting.
2836 if (!buf_len || buf[buf_len-1] != ' ')
2847 match failed, so we have to copy what matched before
2848 falling through and copying this character. In reality,
2849 this will only ever be just the newline character, but
2850 it doesn't hurt to be precise.
2852 strncpy(bp, cont_seq, cmatch);
2864 buf[buf_len] = NULLCHAR;
2865 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2870 while (i < buf_len) {
2871 /* Deal with part of the TELNET option negotiation
2872 protocol. We refuse to do anything beyond the
2873 defaults, except that we allow the WILL ECHO option,
2874 which ICS uses to turn off password echoing when we are
2875 directly connected to it. We reject this option
2876 if localLineEditing mode is on (always on in xboard)
2877 and we are talking to port 23, which might be a real
2878 telnet server that will try to keep WILL ECHO on permanently.
2880 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2881 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2882 unsigned char option;
2884 switch ((unsigned char) buf[++i]) {
2886 if (appData.debugMode)
2887 fprintf(debugFP, "\n<WILL ");
2888 switch (option = (unsigned char) buf[++i]) {
2890 if (appData.debugMode)
2891 fprintf(debugFP, "ECHO ");
2892 /* Reply only if this is a change, according
2893 to the protocol rules. */
2894 if (remoteEchoOption) break;
2895 if (appData.localLineEditing &&
2896 atoi(appData.icsPort) == TN_PORT) {
2897 TelnetRequest(TN_DONT, TN_ECHO);
2900 TelnetRequest(TN_DO, TN_ECHO);
2901 remoteEchoOption = TRUE;
2905 if (appData.debugMode)
2906 fprintf(debugFP, "%d ", option);
2907 /* Whatever this is, we don't want it. */
2908 TelnetRequest(TN_DONT, option);
2913 if (appData.debugMode)
2914 fprintf(debugFP, "\n<WONT ");
2915 switch (option = (unsigned char) buf[++i]) {
2917 if (appData.debugMode)
2918 fprintf(debugFP, "ECHO ");
2919 /* Reply only if this is a change, according
2920 to the protocol rules. */
2921 if (!remoteEchoOption) break;
2923 TelnetRequest(TN_DONT, TN_ECHO);
2924 remoteEchoOption = FALSE;
2927 if (appData.debugMode)
2928 fprintf(debugFP, "%d ", (unsigned char) option);
2929 /* Whatever this is, it must already be turned
2930 off, because we never agree to turn on
2931 anything non-default, so according to the
2932 protocol rules, we don't reply. */
2937 if (appData.debugMode)
2938 fprintf(debugFP, "\n<DO ");
2939 switch (option = (unsigned char) buf[++i]) {
2941 /* Whatever this is, we refuse to do it. */
2942 if (appData.debugMode)
2943 fprintf(debugFP, "%d ", option);
2944 TelnetRequest(TN_WONT, option);
2949 if (appData.debugMode)
2950 fprintf(debugFP, "\n<DONT ");
2951 switch (option = (unsigned char) buf[++i]) {
2953 if (appData.debugMode)
2954 fprintf(debugFP, "%d ", option);
2955 /* Whatever this is, we are already not doing
2956 it, because we never agree to do anything
2957 non-default, so according to the protocol
2958 rules, we don't reply. */
2963 if (appData.debugMode)
2964 fprintf(debugFP, "\n<IAC ");
2965 /* Doubled IAC; pass it through */
2969 if (appData.debugMode)
2970 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2971 /* Drop all other telnet commands on the floor */
2974 if (oldi > next_out)
2975 SendToPlayer(&buf[next_out], oldi - next_out);
2981 /* OK, this at least will *usually* work */
2982 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2986 if (loggedOn && !intfSet) {
2987 if (ics_type == ICS_ICC) {
2988 snprintf(str, MSG_SIZ,
2989 "/set-quietly interface %s\n/set-quietly style 12\n",
2991 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2992 strcat(str, "/set-2 51 1\n/set seek 1\n");
2993 } else if (ics_type == ICS_CHESSNET) {
2994 snprintf(str, MSG_SIZ, "/style 12\n");
2996 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2997 strcat(str, programVersion);
2998 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2999 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3000 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3002 strcat(str, "$iset nohighlight 1\n");
3004 strcat(str, "$iset lock 1\n$style 12\n");
3007 NotifyFrontendLogin();
3011 if (started == STARTED_COMMENT) {
3012 /* Accumulate characters in comment */
3013 parse[parse_pos++] = buf[i];
3014 if (buf[i] == '\n') {
3015 parse[parse_pos] = NULLCHAR;
3016 if(chattingPartner>=0) {
3018 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3019 OutputChatMessage(chattingPartner, mess);
3020 chattingPartner = -1;
3021 next_out = i+1; // [HGM] suppress printing in ICS window
3023 if(!suppressKibitz) // [HGM] kibitz
3024 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3025 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3026 int nrDigit = 0, nrAlph = 0, j;
3027 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3028 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3029 parse[parse_pos] = NULLCHAR;
3030 // try to be smart: if it does not look like search info, it should go to
3031 // ICS interaction window after all, not to engine-output window.
3032 for(j=0; j<parse_pos; j++) { // count letters and digits
3033 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3034 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3035 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3037 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3038 int depth=0; float score;
3039 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3040 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3041 pvInfoList[forwardMostMove-1].depth = depth;
3042 pvInfoList[forwardMostMove-1].score = 100*score;
3044 OutputKibitz(suppressKibitz, parse);
3047 if(gameMode == IcsObserving) // restore original ICS messages
3048 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3049 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3051 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3052 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3053 SendToPlayer(tmp, strlen(tmp));
3055 next_out = i+1; // [HGM] suppress printing in ICS window
3057 started = STARTED_NONE;
3059 /* Don't match patterns against characters in comment */
3064 if (started == STARTED_CHATTER) {
3065 if (buf[i] != '\n') {
3066 /* Don't match patterns against characters in chatter */
3070 started = STARTED_NONE;
3071 if(suppressKibitz) next_out = i+1;
3074 /* Kludge to deal with rcmd protocol */
3075 if (firstTime && looking_at(buf, &i, "\001*")) {
3076 DisplayFatalError(&buf[1], 0, 1);
3082 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3085 if (appData.debugMode)
3086 fprintf(debugFP, "ics_type %d\n", ics_type);
3089 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3090 ics_type = ICS_FICS;
3092 if (appData.debugMode)
3093 fprintf(debugFP, "ics_type %d\n", ics_type);
3096 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3097 ics_type = ICS_CHESSNET;
3099 if (appData.debugMode)
3100 fprintf(debugFP, "ics_type %d\n", ics_type);
3105 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3106 looking_at(buf, &i, "Logging you in as \"*\"") ||
3107 looking_at(buf, &i, "will be \"*\""))) {
3108 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3112 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3114 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3115 DisplayIcsInteractionTitle(buf);
3116 have_set_title = TRUE;
3119 /* skip finger notes */
3120 if (started == STARTED_NONE &&
3121 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3122 (buf[i] == '1' && buf[i+1] == '0')) &&
3123 buf[i+2] == ':' && buf[i+3] == ' ') {
3124 started = STARTED_CHATTER;
3130 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3131 if(appData.seekGraph) {
3132 if(soughtPending && MatchSoughtLine(buf+i)) {
3133 i = strstr(buf+i, "rated") - buf;
3134 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3135 next_out = leftover_start = i;
3136 started = STARTED_CHATTER;
3137 suppressKibitz = TRUE;
3140 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3141 && looking_at(buf, &i, "* ads displayed")) {
3142 soughtPending = FALSE;
3147 if(appData.autoRefresh) {
3148 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3149 int s = (ics_type == ICS_ICC); // ICC format differs
3151 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3152 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3153 looking_at(buf, &i, "*% "); // eat prompt
3154 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3155 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3156 next_out = i; // suppress
3159 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3160 char *p = star_match[0];
3162 if(seekGraphUp) RemoveSeekAd(atoi(p));
3163 while(*p && *p++ != ' '); // next
3165 looking_at(buf, &i, "*% "); // eat prompt
3166 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3173 /* skip formula vars */
3174 if (started == STARTED_NONE &&
3175 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3176 started = STARTED_CHATTER;
3181 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3182 if (appData.autoKibitz && started == STARTED_NONE &&
3183 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3184 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3185 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3186 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3187 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3188 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3189 suppressKibitz = TRUE;
3190 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3192 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3193 && (gameMode == IcsPlayingWhite)) ||
3194 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3195 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3196 started = STARTED_CHATTER; // own kibitz we simply discard
3198 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3199 parse_pos = 0; parse[0] = NULLCHAR;
3200 savingComment = TRUE;
3201 suppressKibitz = gameMode != IcsObserving ? 2 :
3202 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3206 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3207 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3208 && atoi(star_match[0])) {
3209 // suppress the acknowledgements of our own autoKibitz
3211 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3212 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3213 SendToPlayer(star_match[0], strlen(star_match[0]));
3214 if(looking_at(buf, &i, "*% ")) // eat prompt
3215 suppressKibitz = FALSE;
3219 } // [HGM] kibitz: end of patch
3221 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3223 // [HGM] chat: intercept tells by users for which we have an open chat window
3225 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3226 looking_at(buf, &i, "* whispers:") ||
3227 looking_at(buf, &i, "* kibitzes:") ||
3228 looking_at(buf, &i, "* shouts:") ||
3229 looking_at(buf, &i, "* c-shouts:") ||
3230 looking_at(buf, &i, "--> * ") ||
3231 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3232 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3233 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3234 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3236 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3237 chattingPartner = -1;
3239 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3240 for(p=0; p<MAX_CHAT; p++) {
3241 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3242 talker[0] = '['; strcat(talker, "] ");
3243 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3244 chattingPartner = p; break;
3247 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3248 for(p=0; p<MAX_CHAT; p++) {
3249 if(!strcmp("kibitzes", chatPartner[p])) {
3250 talker[0] = '['; strcat(talker, "] ");
3251 chattingPartner = p; break;
3254 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3255 for(p=0; p<MAX_CHAT; p++) {
3256 if(!strcmp("whispers", chatPartner[p])) {
3257 talker[0] = '['; strcat(talker, "] ");
3258 chattingPartner = p; break;
3261 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3262 if(buf[i-8] == '-' && buf[i-3] == 't')
3263 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3264 if(!strcmp("c-shouts", chatPartner[p])) {
3265 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3266 chattingPartner = p; break;
3269 if(chattingPartner < 0)
3270 for(p=0; p<MAX_CHAT; p++) {
3271 if(!strcmp("shouts", chatPartner[p])) {
3272 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3273 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3274 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3275 chattingPartner = p; break;
3279 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3280 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3281 talker[0] = 0; Colorize(ColorTell, FALSE);
3282 chattingPartner = p; break;
3284 if(chattingPartner<0) i = oldi; else {
3285 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3286 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3287 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3288 started = STARTED_COMMENT;
3289 parse_pos = 0; parse[0] = NULLCHAR;
3290 savingComment = 3 + chattingPartner; // counts as TRUE
3291 suppressKibitz = TRUE;
3294 } // [HGM] chat: end of patch
3297 if (appData.zippyTalk || appData.zippyPlay) {
3298 /* [DM] Backup address for color zippy lines */
3300 if (loggedOn == TRUE)
3301 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3302 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3304 } // [DM] 'else { ' deleted
3306 /* Regular tells and says */
3307 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3308 looking_at(buf, &i, "* (your partner) tells you: ") ||
3309 looking_at(buf, &i, "* says: ") ||
3310 /* Don't color "message" or "messages" output */
3311 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3312 looking_at(buf, &i, "*. * at *:*: ") ||
3313 looking_at(buf, &i, "--* (*:*): ") ||
3314 /* Message notifications (same color as tells) */
3315 looking_at(buf, &i, "* has left a message ") ||
3316 looking_at(buf, &i, "* just sent you a message:\n") ||
3317 /* Whispers and kibitzes */
3318 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3319 looking_at(buf, &i, "* kibitzes: ") ||
3321 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3323 if (tkind == 1 && strchr(star_match[0], ':')) {
3324 /* Avoid "tells you:" spoofs in channels */
3327 if (star_match[0][0] == NULLCHAR ||
3328 strchr(star_match[0], ' ') ||
3329 (tkind == 3 && strchr(star_match[1], ' '))) {
3330 /* Reject bogus matches */
3333 if (appData.colorize) {
3334 if (oldi > next_out) {
3335 SendToPlayer(&buf[next_out], oldi - next_out);
3340 Colorize(ColorTell, FALSE);
3341 curColor = ColorTell;
3344 Colorize(ColorKibitz, FALSE);
3345 curColor = ColorKibitz;
3348 p = strrchr(star_match[1], '(');
3355 Colorize(ColorChannel1, FALSE);
3356 curColor = ColorChannel1;
3358 Colorize(ColorChannel, FALSE);
3359 curColor = ColorChannel;
3363 curColor = ColorNormal;
3367 if (started == STARTED_NONE && appData.autoComment &&
3368 (gameMode == IcsObserving ||
3369 gameMode == IcsPlayingWhite ||
3370 gameMode == IcsPlayingBlack)) {
3371 parse_pos = i - oldi;
3372 memcpy(parse, &buf[oldi], parse_pos);
3373 parse[parse_pos] = NULLCHAR;
3374 started = STARTED_COMMENT;
3375 savingComment = TRUE;
3377 started = STARTED_CHATTER;
3378 savingComment = FALSE;
3385 if (looking_at(buf, &i, "* s-shouts: ") ||
3386 looking_at(buf, &i, "* c-shouts: ")) {
3387 if (appData.colorize) {
3388 if (oldi > next_out) {
3389 SendToPlayer(&buf[next_out], oldi - next_out);
3392 Colorize(ColorSShout, FALSE);
3393 curColor = ColorSShout;
3396 started = STARTED_CHATTER;
3400 if (looking_at(buf, &i, "--->")) {
3405 if (looking_at(buf, &i, "* shouts: ") ||
3406 looking_at(buf, &i, "--> ")) {
3407 if (appData.colorize) {
3408 if (oldi > next_out) {
3409 SendToPlayer(&buf[next_out], oldi - next_out);
3412 Colorize(ColorShout, FALSE);
3413 curColor = ColorShout;
3416 started = STARTED_CHATTER;
3420 if (looking_at( buf, &i, "Challenge:")) {
3421 if (appData.colorize) {
3422 if (oldi > next_out) {
3423 SendToPlayer(&buf[next_out], oldi - next_out);
3426 Colorize(ColorChallenge, FALSE);
3427 curColor = ColorChallenge;
3433 if (looking_at(buf, &i, "* offers you") ||
3434 looking_at(buf, &i, "* offers to be") ||
3435 looking_at(buf, &i, "* would like to") ||
3436 looking_at(buf, &i, "* requests to") ||
3437 looking_at(buf, &i, "Your opponent offers") ||
3438 looking_at(buf, &i, "Your opponent requests")) {
3440 if (appData.colorize) {
3441 if (oldi > next_out) {
3442 SendToPlayer(&buf[next_out], oldi - next_out);
3445 Colorize(ColorRequest, FALSE);
3446 curColor = ColorRequest;
3451 if (looking_at(buf, &i, "* (*) seeking")) {
3452 if (appData.colorize) {
3453 if (oldi > next_out) {
3454 SendToPlayer(&buf[next_out], oldi - next_out);
3457 Colorize(ColorSeek, FALSE);
3458 curColor = ColorSeek;
3463 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3465 if (looking_at(buf, &i, "\\ ")) {
3466 if (prevColor != ColorNormal) {
3467 if (oldi > next_out) {
3468 SendToPlayer(&buf[next_out], oldi - next_out);
3471 Colorize(prevColor, TRUE);
3472 curColor = prevColor;
3474 if (savingComment) {
3475 parse_pos = i - oldi;
3476 memcpy(parse, &buf[oldi], parse_pos);
3477 parse[parse_pos] = NULLCHAR;
3478 started = STARTED_COMMENT;
3479 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3480 chattingPartner = savingComment - 3; // kludge to remember the box
3482 started = STARTED_CHATTER;
3487 if (looking_at(buf, &i, "Black Strength :") ||
3488 looking_at(buf, &i, "<<< style 10 board >>>") ||
3489 looking_at(buf, &i, "<10>") ||
3490 looking_at(buf, &i, "#@#")) {
3491 /* Wrong board style */
3493 SendToICS(ics_prefix);
3494 SendToICS("set style 12\n");
3495 SendToICS(ics_prefix);
3496 SendToICS("refresh\n");
3500 if (looking_at(buf, &i, "login:")) {
3501 if (!have_sent_ICS_logon) {
3503 have_sent_ICS_logon = 1;
3504 else // no init script was found
3505 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3506 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3507 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3512 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3513 (looking_at(buf, &i, "\n<12> ") ||
3514 looking_at(buf, &i, "<12> "))) {
3516 if (oldi > next_out) {
3517 SendToPlayer(&buf[next_out], oldi - next_out);
3520 started = STARTED_BOARD;
3525 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3526 looking_at(buf, &i, "<b1> ")) {
3527 if (oldi > next_out) {
3528 SendToPlayer(&buf[next_out], oldi - next_out);
3531 started = STARTED_HOLDINGS;
3536 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3538 /* Header for a move list -- first line */
3540 switch (ics_getting_history) {
3544 case BeginningOfGame:
3545 /* User typed "moves" or "oldmoves" while we
3546 were idle. Pretend we asked for these
3547 moves and soak them up so user can step
3548 through them and/or save them.
3551 gameMode = IcsObserving;
3554 ics_getting_history = H_GOT_UNREQ_HEADER;
3556 case EditGame: /*?*/
3557 case EditPosition: /*?*/
3558 /* Should above feature work in these modes too? */
3559 /* For now it doesn't */
3560 ics_getting_history = H_GOT_UNWANTED_HEADER;
3563 ics_getting_history = H_GOT_UNWANTED_HEADER;
3568 /* Is this the right one? */
3569 if (gameInfo.white && gameInfo.black &&
3570 strcmp(gameInfo.white, star_match[0]) == 0 &&
3571 strcmp(gameInfo.black, star_match[2]) == 0) {
3573 ics_getting_history = H_GOT_REQ_HEADER;
3576 case H_GOT_REQ_HEADER:
3577 case H_GOT_UNREQ_HEADER:
3578 case H_GOT_UNWANTED_HEADER:
3579 case H_GETTING_MOVES:
3580 /* Should not happen */
3581 DisplayError(_("Error gathering move list: two headers"), 0);
3582 ics_getting_history = H_FALSE;
3586 /* Save player ratings into gameInfo if needed */
3587 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3588 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3589 (gameInfo.whiteRating == -1 ||
3590 gameInfo.blackRating == -1)) {
3592 gameInfo.whiteRating = string_to_rating(star_match[1]);
3593 gameInfo.blackRating = string_to_rating(star_match[3]);
3594 if (appData.debugMode)
3595 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3596 gameInfo.whiteRating, gameInfo.blackRating);
3601 if (looking_at(buf, &i,
3602 "* * match, initial time: * minute*, increment: * second")) {
3603 /* Header for a move list -- second line */
3604 /* Initial board will follow if this is a wild game */
3605 if (gameInfo.event != NULL) free(gameInfo.event);
3606 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3607 gameInfo.event = StrSave(str);
3608 /* [HGM] we switched variant. Translate boards if needed. */
3609 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3613 if (looking_at(buf, &i, "Move ")) {
3614 /* Beginning of a move list */
3615 switch (ics_getting_history) {
3617 /* Normally should not happen */
3618 /* Maybe user hit reset while we were parsing */
3621 /* Happens if we are ignoring a move list that is not
3622 * the one we just requested. Common if the user
3623 * tries to observe two games without turning off
3626 case H_GETTING_MOVES:
3627 /* Should not happen */
3628 DisplayError(_("Error gathering move list: nested"), 0);
3629 ics_getting_history = H_FALSE;
3631 case H_GOT_REQ_HEADER:
3632 ics_getting_history = H_GETTING_MOVES;
3633 started = STARTED_MOVES;
3635 if (oldi > next_out) {
3636 SendToPlayer(&buf[next_out], oldi - next_out);
3639 case H_GOT_UNREQ_HEADER:
3640 ics_getting_history = H_GETTING_MOVES;
3641 started = STARTED_MOVES_NOHIDE;
3644 case H_GOT_UNWANTED_HEADER:
3645 ics_getting_history = H_FALSE;
3651 if (looking_at(buf, &i, "% ") ||
3652 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3653 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3654 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3655 soughtPending = FALSE;
3659 if(suppressKibitz) next_out = i;
3660 savingComment = FALSE;
3664 case STARTED_MOVES_NOHIDE:
3665 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3666 parse[parse_pos + i - oldi] = NULLCHAR;
3667 ParseGameHistory(parse);
3669 if (appData.zippyPlay && first.initDone) {
3670 FeedMovesToProgram(&first, forwardMostMove);
3671 if (gameMode == IcsPlayingWhite) {
3672 if (WhiteOnMove(forwardMostMove)) {
3673 if (first.sendTime) {
3674 if (first.useColors) {
3675 SendToProgram("black\n", &first);
3677 SendTimeRemaining(&first, TRUE);
3679 if (first.useColors) {
3680 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3682 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3683 first.maybeThinking = TRUE;
3685 if (first.usePlayother) {
3686 if (first.sendTime) {
3687 SendTimeRemaining(&first, TRUE);
3689 SendToProgram("playother\n", &first);
3695 } else if (gameMode == IcsPlayingBlack) {
3696 if (!WhiteOnMove(forwardMostMove)) {
3697 if (first.sendTime) {
3698 if (first.useColors) {
3699 SendToProgram("white\n", &first);
3701 SendTimeRemaining(&first, FALSE);
3703 if (first.useColors) {
3704 SendToProgram("black\n", &first);
3706 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3707 first.maybeThinking = TRUE;
3709 if (first.usePlayother) {
3710 if (first.sendTime) {
3711 SendTimeRemaining(&first, FALSE);
3713 SendToProgram("playother\n", &first);
3722 if (gameMode == IcsObserving && ics_gamenum == -1) {
3723 /* Moves came from oldmoves or moves command
3724 while we weren't doing anything else.
3726 currentMove = forwardMostMove;
3727 ClearHighlights();/*!!could figure this out*/
3728 flipView = appData.flipView;
3729 DrawPosition(TRUE, boards[currentMove]);
3730 DisplayBothClocks();
3731 snprintf(str, MSG_SIZ, "%s %s %s",
3732 gameInfo.white, _("vs."), gameInfo.black);
3736 /* Moves were history of an active game */
3737 if (gameInfo.resultDetails != NULL) {
3738 free(gameInfo.resultDetails);
3739 gameInfo.resultDetails = NULL;
3742 HistorySet(parseList, backwardMostMove,
3743 forwardMostMove, currentMove-1);
3744 DisplayMove(currentMove - 1);
3745 if (started == STARTED_MOVES) next_out = i;
3746 started = STARTED_NONE;
3747 ics_getting_history = H_FALSE;
3750 case STARTED_OBSERVE:
3751 started = STARTED_NONE;
3752 SendToICS(ics_prefix);
3753 SendToICS("refresh\n");
3759 if(bookHit) { // [HGM] book: simulate book reply
3760 static char bookMove[MSG_SIZ]; // a bit generous?
3762 programStats.nodes = programStats.depth = programStats.time =
3763 programStats.score = programStats.got_only_move = 0;
3764 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3766 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3767 strcat(bookMove, bookHit);
3768 HandleMachineMove(bookMove, &first);
3773 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3774 started == STARTED_HOLDINGS ||
3775 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3776 /* Accumulate characters in move list or board */
3777 parse[parse_pos++] = buf[i];
3780 /* Start of game messages. Mostly we detect start of game
3781 when the first board image arrives. On some versions
3782 of the ICS, though, we need to do a "refresh" after starting
3783 to observe in order to get the current board right away. */
3784 if (looking_at(buf, &i, "Adding game * to observation list")) {
3785 started = STARTED_OBSERVE;
3789 /* Handle auto-observe */
3790 if (appData.autoObserve &&
3791 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3792 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3794 /* Choose the player that was highlighted, if any. */
3795 if (star_match[0][0] == '\033' ||
3796 star_match[1][0] != '\033') {
3797 player = star_match[0];
3799 player = star_match[2];
3801 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3802 ics_prefix, StripHighlightAndTitle(player));
3805 /* Save ratings from notify string */
3806 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3807 player1Rating = string_to_rating(star_match[1]);
3808 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3809 player2Rating = string_to_rating(star_match[3]);
3811 if (appData.debugMode)
3813 "Ratings from 'Game notification:' %s %d, %s %d\n",
3814 player1Name, player1Rating,
3815 player2Name, player2Rating);
3820 /* Deal with automatic examine mode after a game,
3821 and with IcsObserving -> IcsExamining transition */
3822 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3823 looking_at(buf, &i, "has made you an examiner of game *")) {
3825 int gamenum = atoi(star_match[0]);
3826 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3827 gamenum == ics_gamenum) {
3828 /* We were already playing or observing this game;
3829 no need to refetch history */
3830 gameMode = IcsExamining;
3832 pauseExamForwardMostMove = forwardMostMove;
3833 } else if (currentMove < forwardMostMove) {
3834 ForwardInner(forwardMostMove);
3837 /* I don't think this case really can happen */
3838 SendToICS(ics_prefix);
3839 SendToICS("refresh\n");
3844 /* Error messages */
3845 // if (ics_user_moved) {
3846 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3847 if (looking_at(buf, &i, "Illegal move") ||
3848 looking_at(buf, &i, "Not a legal move") ||
3849 looking_at(buf, &i, "Your king is in check") ||
3850 looking_at(buf, &i, "It isn't your turn") ||
3851 looking_at(buf, &i, "It is not your move")) {
3853 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3854 currentMove = forwardMostMove-1;
3855 DisplayMove(currentMove - 1); /* before DMError */
3856 DrawPosition(FALSE, boards[currentMove]);
3857 SwitchClocks(forwardMostMove-1); // [HGM] race
3858 DisplayBothClocks();
3860 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3866 if (looking_at(buf, &i, "still have time") ||
3867 looking_at(buf, &i, "not out of time") ||
3868 looking_at(buf, &i, "either player is out of time") ||
3869 looking_at(buf, &i, "has timeseal; checking")) {
3870 /* We must have called his flag a little too soon */
3871 whiteFlag = blackFlag = FALSE;
3875 if (looking_at(buf, &i, "added * seconds to") ||
3876 looking_at(buf, &i, "seconds were added to")) {
3877 /* Update the clocks */
3878 SendToICS(ics_prefix);
3879 SendToICS("refresh\n");
3883 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3884 ics_clock_paused = TRUE;
3889 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3890 ics_clock_paused = FALSE;
3895 /* Grab player ratings from the Creating: message.
3896 Note we have to check for the special case when
3897 the ICS inserts things like [white] or [black]. */
3898 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3899 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3901 0 player 1 name (not necessarily white)
3903 2 empty, white, or black (IGNORED)
3904 3 player 2 name (not necessarily black)
3907 The names/ratings are sorted out when the game
3908 actually starts (below).
3910 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3911 player1Rating = string_to_rating(star_match[1]);
3912 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3913 player2Rating = string_to_rating(star_match[4]);
3915 if (appData.debugMode)
3917 "Ratings from 'Creating:' %s %d, %s %d\n",
3918 player1Name, player1Rating,
3919 player2Name, player2Rating);
3924 /* Improved generic start/end-of-game messages */
3925 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3926 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3927 /* If tkind == 0: */
3928 /* star_match[0] is the game number */
3929 /* [1] is the white player's name */
3930 /* [2] is the black player's name */
3931 /* For end-of-game: */
3932 /* [3] is the reason for the game end */
3933 /* [4] is a PGN end game-token, preceded by " " */
3934 /* For start-of-game: */
3935 /* [3] begins with "Creating" or "Continuing" */
3936 /* [4] is " *" or empty (don't care). */
3937 int gamenum = atoi(star_match[0]);
3938 char *whitename, *blackname, *why, *endtoken;
3939 ChessMove endtype = EndOfFile;
3942 whitename = star_match[1];
3943 blackname = star_match[2];
3944 why = star_match[3];
3945 endtoken = star_match[4];
3947 whitename = star_match[1];
3948 blackname = star_match[3];
3949 why = star_match[5];
3950 endtoken = star_match[6];
3953 /* Game start messages */
3954 if (strncmp(why, "Creating ", 9) == 0 ||
3955 strncmp(why, "Continuing ", 11) == 0) {
3956 gs_gamenum = gamenum;
3957 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3958 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3959 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3961 if (appData.zippyPlay) {
3962 ZippyGameStart(whitename, blackname);
3965 partnerBoardValid = FALSE; // [HGM] bughouse
3969 /* Game end messages */
3970 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3971 ics_gamenum != gamenum) {
3974 while (endtoken[0] == ' ') endtoken++;
3975 switch (endtoken[0]) {
3978 endtype = GameUnfinished;
3981 endtype = BlackWins;
3984 if (endtoken[1] == '/')
3985 endtype = GameIsDrawn;
3987 endtype = WhiteWins;
3990 GameEnds(endtype, why, GE_ICS);
3992 if (appData.zippyPlay && first.initDone) {
3993 ZippyGameEnd(endtype, why);
3994 if (first.pr == NoProc) {
3995 /* Start the next process early so that we'll
3996 be ready for the next challenge */
3997 StartChessProgram(&first);
3999 /* Send "new" early, in case this command takes
4000 a long time to finish, so that we'll be ready
4001 for the next challenge. */
4002 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4006 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4010 if (looking_at(buf, &i, "Removing game * from observation") ||
4011 looking_at(buf, &i, "no longer observing game *") ||
4012 looking_at(buf, &i, "Game * (*) has no examiners")) {
4013 if (gameMode == IcsObserving &&
4014 atoi(star_match[0]) == ics_gamenum)
4016 /* icsEngineAnalyze */
4017 if (appData.icsEngineAnalyze) {
4024 ics_user_moved = FALSE;
4029 if (looking_at(buf, &i, "no longer examining game *")) {
4030 if (gameMode == IcsExamining &&
4031 atoi(star_match[0]) == ics_gamenum)
4035 ics_user_moved = FALSE;
4040 /* Advance leftover_start past any newlines we find,
4041 so only partial lines can get reparsed */
4042 if (looking_at(buf, &i, "\n")) {
4043 prevColor = curColor;
4044 if (curColor != ColorNormal) {
4045 if (oldi > next_out) {
4046 SendToPlayer(&buf[next_out], oldi - next_out);
4049 Colorize(ColorNormal, FALSE);
4050 curColor = ColorNormal;
4052 if (started == STARTED_BOARD) {
4053 started = STARTED_NONE;
4054 parse[parse_pos] = NULLCHAR;
4055 ParseBoard12(parse);
4058 /* Send premove here */
4059 if (appData.premove) {
4061 if (currentMove == 0 &&
4062 gameMode == IcsPlayingWhite &&
4063 appData.premoveWhite) {
4064 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4065 if (appData.debugMode)
4066 fprintf(debugFP, "Sending premove:\n");
4068 } else if (currentMove == 1 &&
4069 gameMode == IcsPlayingBlack &&
4070 appData.premoveBlack) {
4071 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4072 if (appData.debugMode)
4073 fprintf(debugFP, "Sending premove:\n");
4075 } else if (gotPremove) {
4077 ClearPremoveHighlights();
4078 if (appData.debugMode)
4079 fprintf(debugFP, "Sending premove:\n");
4080 UserMoveEvent(premoveFromX, premoveFromY,
4081 premoveToX, premoveToY,
4086 /* Usually suppress following prompt */
4087 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4088 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4089 if (looking_at(buf, &i, "*% ")) {
4090 savingComment = FALSE;
4095 } else if (started == STARTED_HOLDINGS) {
4097 char new_piece[MSG_SIZ];
4098 started = STARTED_NONE;
4099 parse[parse_pos] = NULLCHAR;
4100 if (appData.debugMode)
4101 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4102 parse, currentMove);
4103 if (sscanf(parse, " game %d", &gamenum) == 1) {
4104 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4105 if (gameInfo.variant == VariantNormal) {
4106 /* [HGM] We seem to switch variant during a game!
4107 * Presumably no holdings were displayed, so we have
4108 * to move the position two files to the right to
4109 * create room for them!
4111 VariantClass newVariant;
4112 switch(gameInfo.boardWidth) { // base guess on board width
4113 case 9: newVariant = VariantShogi; break;
4114 case 10: newVariant = VariantGreat; break;
4115 default: newVariant = VariantCrazyhouse; break;
4117 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4118 /* Get a move list just to see the header, which
4119 will tell us whether this is really bug or zh */
4120 if (ics_getting_history == H_FALSE) {
4121 ics_getting_history = H_REQUESTED;
4122 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4126 new_piece[0] = NULLCHAR;
4127 sscanf(parse, "game %d white [%s black [%s <- %s",
4128 &gamenum, white_holding, black_holding,
4130 white_holding[strlen(white_holding)-1] = NULLCHAR;
4131 black_holding[strlen(black_holding)-1] = NULLCHAR;
4132 /* [HGM] copy holdings to board holdings area */
4133 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4134 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4135 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4137 if (appData.zippyPlay && first.initDone) {
4138 ZippyHoldings(white_holding, black_holding,
4142 if (tinyLayout || smallLayout) {
4143 char wh[16], bh[16];
4144 PackHolding(wh, white_holding);
4145 PackHolding(bh, black_holding);
4146 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4147 gameInfo.white, gameInfo.black);
4149 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4150 gameInfo.white, white_holding, _("vs."),
4151 gameInfo.black, black_holding);
4153 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4154 DrawPosition(FALSE, boards[currentMove]);
4156 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4157 sscanf(parse, "game %d white [%s black [%s <- %s",
4158 &gamenum, white_holding, black_holding,
4160 white_holding[strlen(white_holding)-1] = NULLCHAR;
4161 black_holding[strlen(black_holding)-1] = NULLCHAR;
4162 /* [HGM] copy holdings to partner-board holdings area */
4163 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4164 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4165 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4166 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4167 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4170 /* Suppress following prompt */
4171 if (looking_at(buf, &i, "*% ")) {
4172 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4173 savingComment = FALSE;
4181 i++; /* skip unparsed character and loop back */
4184 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4185 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4186 // SendToPlayer(&buf[next_out], i - next_out);
4187 started != STARTED_HOLDINGS && leftover_start > next_out) {
4188 SendToPlayer(&buf[next_out], leftover_start - next_out);
4192 leftover_len = buf_len - leftover_start;
4193 /* if buffer ends with something we couldn't parse,
4194 reparse it after appending the next read */
4196 } else if (count == 0) {
4197 RemoveInputSource(isr);
4198 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4200 DisplayFatalError(_("Error reading from ICS"), error, 1);
4205 /* Board style 12 looks like this:
4207 <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
4209 * The "<12> " is stripped before it gets to this routine. The two
4210 * trailing 0's (flip state and clock ticking) are later addition, and
4211 * some chess servers may not have them, or may have only the first.
4212 * Additional trailing fields may be added in the future.
4215 #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"
4217 #define RELATION_OBSERVING_PLAYED 0
4218 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4219 #define RELATION_PLAYING_MYMOVE 1
4220 #define RELATION_PLAYING_NOTMYMOVE -1
4221 #define RELATION_EXAMINING 2
4222 #define RELATION_ISOLATED_BOARD -3
4223 #define RELATION_STARTING_POSITION -4 /* FICS only */
4226 ParseBoard12 (char *string)
4230 char *bookHit = NULL; // [HGM] book
4232 GameMode newGameMode;
4233 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4234 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4235 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4236 char to_play, board_chars[200];
4237 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4238 char black[32], white[32];
4240 int prevMove = currentMove;
4243 int fromX, fromY, toX, toY;
4245 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4246 Boolean weird = FALSE, reqFlag = FALSE;
4248 fromX = fromY = toX = toY = -1;
4252 if (appData.debugMode)
4253 fprintf(debugFP, "Parsing board: %s\n", string);
4255 move_str[0] = NULLCHAR;
4256 elapsed_time[0] = NULLCHAR;
4257 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4259 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4260 if(string[i] == ' ') { ranks++; files = 0; }
4262 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4265 for(j = 0; j <i; j++) board_chars[j] = string[j];
4266 board_chars[i] = '\0';
4269 n = sscanf(string, PATTERN, &to_play, &double_push,
4270 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4271 &gamenum, white, black, &relation, &basetime, &increment,
4272 &white_stren, &black_stren, &white_time, &black_time,
4273 &moveNum, str, elapsed_time, move_str, &ics_flip,
4277 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4278 DisplayError(str, 0);
4282 /* Convert the move number to internal form */
4283 moveNum = (moveNum - 1) * 2;
4284 if (to_play == 'B') moveNum++;
4285 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4286 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4292 case RELATION_OBSERVING_PLAYED:
4293 case RELATION_OBSERVING_STATIC:
4294 if (gamenum == -1) {
4295 /* Old ICC buglet */
4296 relation = RELATION_OBSERVING_STATIC;
4298 newGameMode = IcsObserving;
4300 case RELATION_PLAYING_MYMOVE:
4301 case RELATION_PLAYING_NOTMYMOVE:
4303 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4304 IcsPlayingWhite : IcsPlayingBlack;
4305 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4307 case RELATION_EXAMINING:
4308 newGameMode = IcsExamining;
4310 case RELATION_ISOLATED_BOARD:
4312 /* Just display this board. If user was doing something else,
4313 we will forget about it until the next board comes. */
4314 newGameMode = IcsIdle;
4316 case RELATION_STARTING_POSITION:
4317 newGameMode = gameMode;
4321 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4322 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4323 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4324 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4325 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4326 static int lastBgGame = -1;
4328 for (k = 0; k < ranks; k++) {
4329 for (j = 0; j < files; j++)
4330 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4331 if(gameInfo.holdingsWidth > 1) {
4332 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4333 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4336 CopyBoard(partnerBoard, board);
4337 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4338 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4339 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4340 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4341 if(toSqr = strchr(str, '-')) {
4342 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4343 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4344 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4345 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4346 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4347 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4349 DisplayWhiteClock(white_time*fac, to_play == 'W');
4350 DisplayBlackClock(black_time*fac, to_play != 'W');
4351 activePartner = to_play;
4352 if(gamenum != lastBgGame) {
4354 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4357 lastBgGame = gamenum;
4358 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4359 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4360 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4361 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4362 if(!twoBoards) DisplayMessage(partnerStatus, "");
4363 partnerBoardValid = TRUE;
4367 if(appData.dualBoard && appData.bgObserve) {
4368 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4369 SendToICS(ics_prefix), SendToICS("pobserve\n");
4370 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4372 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4377 /* Modify behavior for initial board display on move listing
4380 switch (ics_getting_history) {
4384 case H_GOT_REQ_HEADER:
4385 case H_GOT_UNREQ_HEADER:
4386 /* This is the initial position of the current game */
4387 gamenum = ics_gamenum;
4388 moveNum = 0; /* old ICS bug workaround */
4389 if (to_play == 'B') {
4390 startedFromSetupPosition = TRUE;
4391 blackPlaysFirst = TRUE;
4393 if (forwardMostMove == 0) forwardMostMove = 1;
4394 if (backwardMostMove == 0) backwardMostMove = 1;
4395 if (currentMove == 0) currentMove = 1;
4397 newGameMode = gameMode;
4398 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4400 case H_GOT_UNWANTED_HEADER:
4401 /* This is an initial board that we don't want */
4403 case H_GETTING_MOVES:
4404 /* Should not happen */
4405 DisplayError(_("Error gathering move list: extra board"), 0);
4406 ics_getting_history = H_FALSE;
4410 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4411 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4412 weird && (int)gameInfo.variant < (int)VariantShogi) {
4413 /* [HGM] We seem to have switched variant unexpectedly
4414 * Try to guess new variant from board size
4416 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4417 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4418 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4419 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4420 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4421 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4422 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4423 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4424 /* Get a move list just to see the header, which
4425 will tell us whether this is really bug or zh */
4426 if (ics_getting_history == H_FALSE) {
4427 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4428 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4433 /* Take action if this is the first board of a new game, or of a
4434 different game than is currently being displayed. */
4435 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4436 relation == RELATION_ISOLATED_BOARD) {
4438 /* Forget the old game and get the history (if any) of the new one */
4439 if (gameMode != BeginningOfGame) {
4443 if (appData.autoRaiseBoard) BoardToTop();
4445 if (gamenum == -1) {
4446 newGameMode = IcsIdle;
4447 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4448 appData.getMoveList && !reqFlag) {
4449 /* Need to get game history */
4450 ics_getting_history = H_REQUESTED;
4451 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4455 /* Initially flip the board to have black on the bottom if playing
4456 black or if the ICS flip flag is set, but let the user change
4457 it with the Flip View button. */
4458 flipView = appData.autoFlipView ?
4459 (newGameMode == IcsPlayingBlack) || ics_flip :
4462 /* Done with values from previous mode; copy in new ones */
4463 gameMode = newGameMode;
4465 ics_gamenum = gamenum;
4466 if (gamenum == gs_gamenum) {
4467 int klen = strlen(gs_kind);
4468 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4469 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4470 gameInfo.event = StrSave(str);
4472 gameInfo.event = StrSave("ICS game");
4474 gameInfo.site = StrSave(appData.icsHost);
4475 gameInfo.date = PGNDate();
4476 gameInfo.round = StrSave("-");
4477 gameInfo.white = StrSave(white);
4478 gameInfo.black = StrSave(black);
4479 timeControl = basetime * 60 * 1000;
4481 timeIncrement = increment * 1000;
4482 movesPerSession = 0;
4483 gameInfo.timeControl = TimeControlTagValue();
4484 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4485 if (appData.debugMode) {
4486 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4487 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4488 setbuf(debugFP, NULL);
4491 gameInfo.outOfBook = NULL;
4493 /* Do we have the ratings? */
4494 if (strcmp(player1Name, white) == 0 &&
4495 strcmp(player2Name, black) == 0) {
4496 if (appData.debugMode)
4497 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4498 player1Rating, player2Rating);
4499 gameInfo.whiteRating = player1Rating;
4500 gameInfo.blackRating = player2Rating;
4501 } else if (strcmp(player2Name, white) == 0 &&
4502 strcmp(player1Name, black) == 0) {
4503 if (appData.debugMode)
4504 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4505 player2Rating, player1Rating);
4506 gameInfo.whiteRating = player2Rating;
4507 gameInfo.blackRating = player1Rating;
4509 player1Name[0] = player2Name[0] = NULLCHAR;
4511 /* Silence shouts if requested */
4512 if (appData.quietPlay &&
4513 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4514 SendToICS(ics_prefix);
4515 SendToICS("set shout 0\n");
4519 /* Deal with midgame name changes */
4521 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4522 if (gameInfo.white) free(gameInfo.white);
4523 gameInfo.white = StrSave(white);
4525 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4526 if (gameInfo.black) free(gameInfo.black);
4527 gameInfo.black = StrSave(black);
4531 /* Throw away game result if anything actually changes in examine mode */
4532 if (gameMode == IcsExamining && !newGame) {
4533 gameInfo.result = GameUnfinished;
4534 if (gameInfo.resultDetails != NULL) {
4535 free(gameInfo.resultDetails);
4536 gameInfo.resultDetails = NULL;
4540 /* In pausing && IcsExamining mode, we ignore boards coming
4541 in if they are in a different variation than we are. */
4542 if (pauseExamInvalid) return;
4543 if (pausing && gameMode == IcsExamining) {
4544 if (moveNum <= pauseExamForwardMostMove) {
4545 pauseExamInvalid = TRUE;
4546 forwardMostMove = pauseExamForwardMostMove;
4551 if (appData.debugMode) {
4552 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4554 /* Parse the board */
4555 for (k = 0; k < ranks; k++) {
4556 for (j = 0; j < files; j++)
4557 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4558 if(gameInfo.holdingsWidth > 1) {
4559 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4560 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4563 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4564 board[5][BOARD_RGHT+1] = WhiteAngel;
4565 board[6][BOARD_RGHT+1] = WhiteMarshall;
4566 board[1][0] = BlackMarshall;
4567 board[2][0] = BlackAngel;
4568 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4570 CopyBoard(boards[moveNum], board);
4571 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4573 startedFromSetupPosition =
4574 !CompareBoards(board, initialPosition);
4575 if(startedFromSetupPosition)
4576 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4579 /* [HGM] Set castling rights. Take the outermost Rooks,
4580 to make it also work for FRC opening positions. Note that board12
4581 is really defective for later FRC positions, as it has no way to
4582 indicate which Rook can castle if they are on the same side of King.
4583 For the initial position we grant rights to the outermost Rooks,
4584 and remember thos rights, and we then copy them on positions
4585 later in an FRC game. This means WB might not recognize castlings with
4586 Rooks that have moved back to their original position as illegal,
4587 but in ICS mode that is not its job anyway.
4589 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4590 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4592 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4593 if(board[0][i] == WhiteRook) j = i;
4594 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4595 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4596 if(board[0][i] == WhiteRook) j = i;
4597 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4598 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4599 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4600 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4601 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4602 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4603 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4605 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4606 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4607 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4608 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4609 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4610 if(board[BOARD_HEIGHT-1][k] == bKing)
4611 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4612 if(gameInfo.variant == VariantTwoKings) {
4613 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4614 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4615 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4618 r = boards[moveNum][CASTLING][0] = initialRights[0];
4619 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4620 r = boards[moveNum][CASTLING][1] = initialRights[1];
4621 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4622 r = boards[moveNum][CASTLING][3] = initialRights[3];
4623 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4624 r = boards[moveNum][CASTLING][4] = initialRights[4];
4625 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4626 /* wildcastle kludge: always assume King has rights */
4627 r = boards[moveNum][CASTLING][2] = initialRights[2];
4628 r = boards[moveNum][CASTLING][5] = initialRights[5];
4630 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4631 boards[moveNum][EP_STATUS] = EP_NONE;
4632 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4633 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4634 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4637 if (ics_getting_history == H_GOT_REQ_HEADER ||
4638 ics_getting_history == H_GOT_UNREQ_HEADER) {
4639 /* This was an initial position from a move list, not
4640 the current position */
4644 /* Update currentMove and known move number limits */
4645 newMove = newGame || moveNum > forwardMostMove;
4648 forwardMostMove = backwardMostMove = currentMove = moveNum;
4649 if (gameMode == IcsExamining && moveNum == 0) {
4650 /* Workaround for ICS limitation: we are not told the wild
4651 type when starting to examine a game. But if we ask for
4652 the move list, the move list header will tell us */
4653 ics_getting_history = H_REQUESTED;
4654 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4657 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4658 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4660 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4661 /* [HGM] applied this also to an engine that is silently watching */
4662 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4663 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4664 gameInfo.variant == currentlyInitializedVariant) {
4665 takeback = forwardMostMove - moveNum;
4666 for (i = 0; i < takeback; i++) {
4667 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4668 SendToProgram("undo\n", &first);
4673 forwardMostMove = moveNum;
4674 if (!pausing || currentMove > forwardMostMove)
4675 currentMove = forwardMostMove;
4677 /* New part of history that is not contiguous with old part */
4678 if (pausing && gameMode == IcsExamining) {
4679 pauseExamInvalid = TRUE;
4680 forwardMostMove = pauseExamForwardMostMove;
4683 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4685 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4686 // [HGM] when we will receive the move list we now request, it will be
4687 // fed to the engine from the first move on. So if the engine is not
4688 // in the initial position now, bring it there.
4689 InitChessProgram(&first, 0);
4692 ics_getting_history = H_REQUESTED;
4693 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4696 forwardMostMove = backwardMostMove = currentMove = moveNum;
4699 /* Update the clocks */
4700 if (strchr(elapsed_time, '.')) {
4702 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4703 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4705 /* Time is in seconds */
4706 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4707 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4712 if (appData.zippyPlay && newGame &&
4713 gameMode != IcsObserving && gameMode != IcsIdle &&
4714 gameMode != IcsExamining)
4715 ZippyFirstBoard(moveNum, basetime, increment);
4718 /* Put the move on the move list, first converting
4719 to canonical algebraic form. */
4721 if (appData.debugMode) {
4722 int f = forwardMostMove;
4723 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4724 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4725 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4726 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4727 fprintf(debugFP, "moveNum = %d\n", moveNum);
4728 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4729 setbuf(debugFP, NULL);
4731 if (moveNum <= backwardMostMove) {
4732 /* We don't know what the board looked like before
4734 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4735 strcat(parseList[moveNum - 1], " ");
4736 strcat(parseList[moveNum - 1], elapsed_time);
4737 moveList[moveNum - 1][0] = NULLCHAR;
4738 } else if (strcmp(move_str, "none") == 0) {
4739 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4740 /* Again, we don't know what the board looked like;
4741 this is really the start of the game. */
4742 parseList[moveNum - 1][0] = NULLCHAR;
4743 moveList[moveNum - 1][0] = NULLCHAR;
4744 backwardMostMove = moveNum;
4745 startedFromSetupPosition = TRUE;
4746 fromX = fromY = toX = toY = -1;
4748 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4749 // So we parse the long-algebraic move string in stead of the SAN move
4750 int valid; char buf[MSG_SIZ], *prom;
4752 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4753 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4754 // str looks something like "Q/a1-a2"; kill the slash
4756 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4757 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4758 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4759 strcat(buf, prom); // long move lacks promo specification!
4760 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4761 if(appData.debugMode)
4762 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4763 safeStrCpy(move_str, buf, MSG_SIZ);
4765 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4766 &fromX, &fromY, &toX, &toY, &promoChar)
4767 || ParseOneMove(buf, moveNum - 1, &moveType,
4768 &fromX, &fromY, &toX, &toY, &promoChar);
4769 // end of long SAN patch
4771 (void) CoordsToAlgebraic(boards[moveNum - 1],
4772 PosFlags(moveNum - 1),
4773 fromY, fromX, toY, toX, promoChar,
4774 parseList[moveNum-1]);
4775 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4781 if(gameInfo.variant != VariantShogi)
4782 strcat(parseList[moveNum - 1], "+");
4785 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4786 strcat(parseList[moveNum - 1], "#");
4789 strcat(parseList[moveNum - 1], " ");
4790 strcat(parseList[moveNum - 1], elapsed_time);
4791 /* currentMoveString is set as a side-effect of ParseOneMove */
4792 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4793 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4794 strcat(moveList[moveNum - 1], "\n");
4796 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4797 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4798 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4799 ChessSquare old, new = boards[moveNum][k][j];
4800 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4801 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4802 if(old == new) continue;
4803 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4804 else if(new == WhiteWazir || new == BlackWazir) {
4805 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4806 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4807 else boards[moveNum][k][j] = old; // preserve type of Gold
4808 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4809 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4812 /* Move from ICS was illegal!? Punt. */
4813 if (appData.debugMode) {
4814 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4815 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4817 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4818 strcat(parseList[moveNum - 1], " ");
4819 strcat(parseList[moveNum - 1], elapsed_time);
4820 moveList[moveNum - 1][0] = NULLCHAR;
4821 fromX = fromY = toX = toY = -1;
4824 if (appData.debugMode) {
4825 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4826 setbuf(debugFP, NULL);
4830 /* Send move to chess program (BEFORE animating it). */
4831 if (appData.zippyPlay && !newGame && newMove &&
4832 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4834 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4835 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4836 if (moveList[moveNum - 1][0] == NULLCHAR) {
4837 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4839 DisplayError(str, 0);
4841 if (first.sendTime) {
4842 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4844 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4845 if (firstMove && !bookHit) {
4847 if (first.useColors) {
4848 SendToProgram(gameMode == IcsPlayingWhite ?
4850 "black\ngo\n", &first);
4852 SendToProgram("go\n", &first);
4854 first.maybeThinking = TRUE;
4857 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4858 if (moveList[moveNum - 1][0] == NULLCHAR) {
4859 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4860 DisplayError(str, 0);
4862 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4863 SendMoveToProgram(moveNum - 1, &first);
4870 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4871 /* If move comes from a remote source, animate it. If it
4872 isn't remote, it will have already been animated. */
4873 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4874 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4876 if (!pausing && appData.highlightLastMove) {
4877 SetHighlights(fromX, fromY, toX, toY);
4881 /* Start the clocks */
4882 whiteFlag = blackFlag = FALSE;
4883 appData.clockMode = !(basetime == 0 && increment == 0);
4885 ics_clock_paused = TRUE;
4887 } else if (ticking == 1) {
4888 ics_clock_paused = FALSE;
4890 if (gameMode == IcsIdle ||
4891 relation == RELATION_OBSERVING_STATIC ||
4892 relation == RELATION_EXAMINING ||
4894 DisplayBothClocks();
4898 /* Display opponents and material strengths */
4899 if (gameInfo.variant != VariantBughouse &&
4900 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4901 if (tinyLayout || smallLayout) {
4902 if(gameInfo.variant == VariantNormal)
4903 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4904 gameInfo.white, white_stren, gameInfo.black, black_stren,
4905 basetime, increment);
4907 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4908 gameInfo.white, white_stren, gameInfo.black, black_stren,
4909 basetime, increment, (int) gameInfo.variant);
4911 if(gameInfo.variant == VariantNormal)
4912 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4913 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4914 basetime, increment);
4916 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4917 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4918 basetime, increment, VariantName(gameInfo.variant));
4921 if (appData.debugMode) {
4922 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4927 /* Display the board */
4928 if (!pausing && !appData.noGUI) {
4930 if (appData.premove)
4932 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4933 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4934 ClearPremoveHighlights();
4936 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4937 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4938 DrawPosition(j, boards[currentMove]);
4940 DisplayMove(moveNum - 1);
4941 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4942 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4943 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4944 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4948 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4950 if(bookHit) { // [HGM] book: simulate book reply
4951 static char bookMove[MSG_SIZ]; // a bit generous?
4953 programStats.nodes = programStats.depth = programStats.time =
4954 programStats.score = programStats.got_only_move = 0;
4955 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4957 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4958 strcat(bookMove, bookHit);
4959 HandleMachineMove(bookMove, &first);
4968 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4969 ics_getting_history = H_REQUESTED;
4970 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4976 SendToBoth (char *msg)
4977 { // to make it easy to keep two engines in step in dual analysis
4978 SendToProgram(msg, &first);
4979 if(second.analyzing) SendToProgram(msg, &second);
4983 AnalysisPeriodicEvent (int force)
4985 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4986 && !force) || !appData.periodicUpdates)
4989 /* Send . command to Crafty to collect stats */
4992 /* Don't send another until we get a response (this makes
4993 us stop sending to old Crafty's which don't understand
4994 the "." command (sending illegal cmds resets node count & time,
4995 which looks bad)) */
4996 programStats.ok_to_send = 0;
5000 ics_update_width (int new_width)
5002 ics_printf("set width %d\n", new_width);
5006 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5010 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5011 // null move in variant where engine does not understand it (for analysis purposes)
5012 SendBoard(cps, moveNum + 1); // send position after move in stead.
5015 if (cps->useUsermove) {
5016 SendToProgram("usermove ", cps);
5020 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5021 int len = space - parseList[moveNum];
5022 memcpy(buf, parseList[moveNum], len);
5024 buf[len] = NULLCHAR;
5026 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5028 SendToProgram(buf, cps);
5030 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5031 AlphaRank(moveList[moveNum], 4);
5032 SendToProgram(moveList[moveNum], cps);
5033 AlphaRank(moveList[moveNum], 4); // and back
5035 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5036 * the engine. It would be nice to have a better way to identify castle
5038 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
5039 && cps->useOOCastle) {
5040 int fromX = moveList[moveNum][0] - AAA;
5041 int fromY = moveList[moveNum][1] - ONE;
5042 int toX = moveList[moveNum][2] - AAA;
5043 int toY = moveList[moveNum][3] - ONE;
5044 if((boards[moveNum][fromY][fromX] == WhiteKing
5045 && boards[moveNum][toY][toX] == WhiteRook)
5046 || (boards[moveNum][fromY][fromX] == BlackKing
5047 && boards[moveNum][toY][toX] == BlackRook)) {
5048 if(toX > fromX) SendToProgram("O-O\n", cps);
5049 else SendToProgram("O-O-O\n", cps);
5051 else SendToProgram(moveList[moveNum], cps);
5053 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5054 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5055 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5056 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5057 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5058 } else if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5059 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", moveList[moveNum][0], moveList[moveNum][1] - '0', // convert to two moves
5060 moveList[moveNum][5], moveList[moveNum][6] - '0',
5061 moveList[moveNum][5], moveList[moveNum][6] - '0',
5062 moveList[moveNum][2], moveList[moveNum][3] - '0');
5064 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5065 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5066 SendToProgram(buf, cps);
5068 else SendToProgram(moveList[moveNum], cps);
5069 /* End of additions by Tord */
5072 /* [HGM] setting up the opening has brought engine in force mode! */
5073 /* Send 'go' if we are in a mode where machine should play. */
5074 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5075 (gameMode == TwoMachinesPlay ||
5077 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5079 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5080 SendToProgram("go\n", cps);
5081 if (appData.debugMode) {
5082 fprintf(debugFP, "(extra)\n");
5085 setboardSpoiledMachineBlack = 0;
5089 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5091 char user_move[MSG_SIZ];
5094 if(gameInfo.variant == VariantSChess && promoChar) {
5095 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5096 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5097 } else suffix[0] = NULLCHAR;
5101 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5102 (int)moveType, fromX, fromY, toX, toY);
5103 DisplayError(user_move + strlen("say "), 0);
5105 case WhiteKingSideCastle:
5106 case BlackKingSideCastle:
5107 case WhiteQueenSideCastleWild:
5108 case BlackQueenSideCastleWild:
5110 case WhiteHSideCastleFR:
5111 case BlackHSideCastleFR:
5113 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5115 case WhiteQueenSideCastle:
5116 case BlackQueenSideCastle:
5117 case WhiteKingSideCastleWild:
5118 case BlackKingSideCastleWild:
5120 case WhiteASideCastleFR:
5121 case BlackASideCastleFR:
5123 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5125 case WhiteNonPromotion:
5126 case BlackNonPromotion:
5127 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5129 case WhitePromotion:
5130 case BlackPromotion:
5131 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5132 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
5133 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5134 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5135 PieceToChar(WhiteFerz));
5136 else if(gameInfo.variant == VariantGreat)
5137 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5138 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5139 PieceToChar(WhiteMan));
5141 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5142 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5148 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5149 ToUpper(PieceToChar((ChessSquare) fromX)),
5150 AAA + toX, ONE + toY);
5152 case IllegalMove: /* could be a variant we don't quite understand */
5153 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5155 case WhiteCapturesEnPassant:
5156 case BlackCapturesEnPassant:
5157 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5158 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5161 SendToICS(user_move);
5162 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5163 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5168 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5169 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5170 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5171 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5172 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5175 if(gameMode != IcsExamining) { // is this ever not the case?
5176 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5178 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5179 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5180 } else { // on FICS we must first go to general examine mode
5181 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5183 if(gameInfo.variant != VariantNormal) {
5184 // try figure out wild number, as xboard names are not always valid on ICS
5185 for(i=1; i<=36; i++) {
5186 snprintf(buf, MSG_SIZ, "wild/%d", i);
5187 if(StringToVariant(buf) == gameInfo.variant) break;
5189 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5190 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5191 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5192 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5193 SendToICS(ics_prefix);
5195 if(startedFromSetupPosition || backwardMostMove != 0) {
5196 fen = PositionToFEN(backwardMostMove, NULL, 1);
5197 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5198 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5200 } else { // FICS: everything has to set by separate bsetup commands
5201 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5202 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5204 if(!WhiteOnMove(backwardMostMove)) {
5205 SendToICS("bsetup tomove black\n");
5207 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5208 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5210 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5211 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5213 i = boards[backwardMostMove][EP_STATUS];
5214 if(i >= 0) { // set e.p.
5215 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5221 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5222 SendToICS("bsetup done\n"); // switch to normal examining.
5224 for(i = backwardMostMove; i<last; i++) {
5226 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5227 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5228 int len = strlen(moveList[i]);
5229 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5230 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5234 SendToICS(ics_prefix);
5235 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5238 static int killX = -1, killY = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5241 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5243 if (rf == DROP_RANK) {
5244 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5245 sprintf(move, "%c@%c%c\n",
5246 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5248 if (promoChar == 'x' || promoChar == NULLCHAR) {
5249 sprintf(move, "%c%c%c%c\n",
5250 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5251 if(killX >= 0 && killY >= 0) sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5253 sprintf(move, "%c%c%c%c%c\n",
5254 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5260 ProcessICSInitScript (FILE *f)
5264 while (fgets(buf, MSG_SIZ, f)) {
5265 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5272 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag, dragging;
5273 static ClickType lastClickType;
5278 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5279 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5280 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5281 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5282 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5283 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5286 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5287 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5288 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5289 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5290 if(!step) step = -1;
5291 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5292 appData.testLegality && (promoSweep == king ||
5293 IS_SHOGI(gameInfo.variant) && promoSweep != CHUPROMOTED last && last != CHUPROMOTED promoSweep && last != promoSweep));
5295 int victim = boards[currentMove][toY][toX];
5296 boards[currentMove][toY][toX] = promoSweep;
5297 DrawPosition(FALSE, boards[currentMove]);
5298 boards[currentMove][toY][toX] = victim;
5300 ChangeDragPiece(promoSweep);
5304 PromoScroll (int x, int y)
5308 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5309 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5310 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5311 if(!step) return FALSE;
5312 lastX = x; lastY = y;
5313 if((promoSweep < BlackPawn) == flipView) step = -step;
5314 if(step > 0) selectFlag = 1;
5315 if(!selectFlag) Sweep(step);
5320 NextPiece (int step)
5322 ChessSquare piece = boards[currentMove][toY][toX];
5325 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5326 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5327 if(!step) step = -1;
5328 } while(PieceToChar(pieceSweep) == '.');
5329 boards[currentMove][toY][toX] = pieceSweep;
5330 DrawPosition(FALSE, boards[currentMove]);
5331 boards[currentMove][toY][toX] = piece;
5333 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5335 AlphaRank (char *move, int n)
5337 // char *p = move, c; int x, y;
5339 if (appData.debugMode) {
5340 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5344 move[2]>='0' && move[2]<='9' &&
5345 move[3]>='a' && move[3]<='x' ) {
5347 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5348 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5350 if(move[0]>='0' && move[0]<='9' &&
5351 move[1]>='a' && move[1]<='x' &&
5352 move[2]>='0' && move[2]<='9' &&
5353 move[3]>='a' && move[3]<='x' ) {
5354 /* input move, Shogi -> normal */
5355 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5356 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5357 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5358 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5361 move[3]>='0' && move[3]<='9' &&
5362 move[2]>='a' && move[2]<='x' ) {
5364 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5365 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5368 move[0]>='a' && move[0]<='x' &&
5369 move[3]>='0' && move[3]<='9' &&
5370 move[2]>='a' && move[2]<='x' ) {
5371 /* output move, normal -> Shogi */
5372 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5373 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5374 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5375 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5376 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5378 if (appData.debugMode) {
5379 fprintf(debugFP, " out = '%s'\n", move);
5383 char yy_textstr[8000];
5385 /* Parser for moves from gnuchess, ICS, or user typein box */
5387 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5389 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5391 switch (*moveType) {
5392 case WhitePromotion:
5393 case BlackPromotion:
5394 case WhiteNonPromotion:
5395 case BlackNonPromotion:
5397 case WhiteCapturesEnPassant:
5398 case BlackCapturesEnPassant:
5399 case WhiteKingSideCastle:
5400 case WhiteQueenSideCastle:
5401 case BlackKingSideCastle:
5402 case BlackQueenSideCastle:
5403 case WhiteKingSideCastleWild:
5404 case WhiteQueenSideCastleWild:
5405 case BlackKingSideCastleWild:
5406 case BlackQueenSideCastleWild:
5407 /* Code added by Tord: */
5408 case WhiteHSideCastleFR:
5409 case WhiteASideCastleFR:
5410 case BlackHSideCastleFR:
5411 case BlackASideCastleFR:
5412 /* End of code added by Tord */
5413 case IllegalMove: /* bug or odd chess variant */
5414 *fromX = currentMoveString[0] - AAA;
5415 *fromY = currentMoveString[1] - ONE;
5416 *toX = currentMoveString[2] - AAA;
5417 *toY = currentMoveString[3] - ONE;
5418 *promoChar = currentMoveString[4];
5419 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5420 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5421 if (appData.debugMode) {
5422 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5424 *fromX = *fromY = *toX = *toY = 0;
5427 if (appData.testLegality) {
5428 return (*moveType != IllegalMove);
5430 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5431 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5436 *fromX = *moveType == WhiteDrop ?
5437 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5438 (int) CharToPiece(ToLower(currentMoveString[0]));
5440 *toX = currentMoveString[2] - AAA;
5441 *toY = currentMoveString[3] - ONE;
5442 *promoChar = NULLCHAR;
5446 case ImpossibleMove:
5456 if (appData.debugMode) {
5457 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5460 *fromX = *fromY = *toX = *toY = 0;
5461 *promoChar = NULLCHAR;
5466 Boolean pushed = FALSE;
5467 char *lastParseAttempt;
5470 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5471 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5472 int fromX, fromY, toX, toY; char promoChar;
5477 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5478 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5479 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5482 endPV = forwardMostMove;
5484 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5485 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5486 lastParseAttempt = pv;
5487 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5488 if(!valid && nr == 0 &&
5489 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5490 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5491 // Hande case where played move is different from leading PV move
5492 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5493 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5494 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5495 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5496 endPV += 2; // if position different, keep this
5497 moveList[endPV-1][0] = fromX + AAA;
5498 moveList[endPV-1][1] = fromY + ONE;
5499 moveList[endPV-1][2] = toX + AAA;
5500 moveList[endPV-1][3] = toY + ONE;
5501 parseList[endPV-1][0] = NULLCHAR;
5502 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5505 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5506 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5507 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5508 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5509 valid++; // allow comments in PV
5513 if(endPV+1 > framePtr) break; // no space, truncate
5516 CopyBoard(boards[endPV], boards[endPV-1]);
5517 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5518 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5519 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5520 CoordsToAlgebraic(boards[endPV - 1],
5521 PosFlags(endPV - 1),
5522 fromY, fromX, toY, toX, promoChar,
5523 parseList[endPV - 1]);
5525 if(atEnd == 2) return; // used hidden, for PV conversion
5526 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5527 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5528 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5529 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5530 DrawPosition(TRUE, boards[currentMove]);
5534 MultiPV (ChessProgramState *cps)
5535 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5537 for(i=0; i<cps->nrOptions; i++)
5538 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5543 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5546 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5548 int startPV, multi, lineStart, origIndex = index;
5549 char *p, buf2[MSG_SIZ];
5550 ChessProgramState *cps = (pane ? &second : &first);
5552 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5553 lastX = x; lastY = y;
5554 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5555 lineStart = startPV = index;
5556 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5557 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5559 do{ while(buf[index] && buf[index] != '\n') index++;
5560 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5562 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5563 int n = cps->option[multi].value;
5564 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5565 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5566 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5567 cps->option[multi].value = n;
5570 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5571 ExcludeClick(origIndex - lineStart);
5574 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5575 *start = startPV; *end = index-1;
5576 extendGame = (gameMode == AnalyzeMode && appData.autoExtend);
5583 static char buf[10*MSG_SIZ];
5584 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5586 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5587 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5588 for(i = forwardMostMove; i<endPV; i++){
5589 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5590 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5593 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5594 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5595 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5601 LoadPV (int x, int y)
5602 { // called on right mouse click to load PV
5603 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5604 lastX = x; lastY = y;
5605 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5613 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5614 if(endPV < 0) return;
5615 if(appData.autoCopyPV) CopyFENToClipboard();
5617 if(extendGame && currentMove > forwardMostMove) {
5618 Boolean saveAnimate = appData.animate;
5620 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5621 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5622 } else storedGames--; // abandon shelved tail of original game
5625 forwardMostMove = currentMove;
5626 currentMove = oldFMM;
5627 appData.animate = FALSE;
5628 ToNrEvent(forwardMostMove);
5629 appData.animate = saveAnimate;
5631 currentMove = forwardMostMove;
5632 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5633 ClearPremoveHighlights();
5634 DrawPosition(TRUE, boards[currentMove]);
5638 MovePV (int x, int y, int h)
5639 { // step through PV based on mouse coordinates (called on mouse move)
5640 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5642 // we must somehow check if right button is still down (might be released off board!)
5643 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5644 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5645 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5647 lastX = x; lastY = y;
5649 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5650 if(endPV < 0) return;
5651 if(y < margin) step = 1; else
5652 if(y > h - margin) step = -1;
5653 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5654 currentMove += step;
5655 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5656 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5657 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5658 DrawPosition(FALSE, boards[currentMove]);
5662 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5663 // All positions will have equal probability, but the current method will not provide a unique
5664 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5670 int piecesLeft[(int)BlackPawn];
5671 int seed, nrOfShuffles;
5674 GetPositionNumber ()
5675 { // sets global variable seed
5678 seed = appData.defaultFrcPosition;
5679 if(seed < 0) { // randomize based on time for negative FRC position numbers
5680 for(i=0; i<50; i++) seed += random();
5681 seed = random() ^ random() >> 8 ^ random() << 8;
5682 if(seed<0) seed = -seed;
5687 put (Board board, int pieceType, int rank, int n, int shade)
5688 // put the piece on the (n-1)-th empty squares of the given shade
5692 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5693 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5694 board[rank][i] = (ChessSquare) pieceType;
5695 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5697 piecesLeft[pieceType]--;
5706 AddOnePiece (Board board, int pieceType, int rank, int shade)
5707 // calculate where the next piece goes, (any empty square), and put it there
5711 i = seed % squaresLeft[shade];
5712 nrOfShuffles *= squaresLeft[shade];
5713 seed /= squaresLeft[shade];
5714 put(board, pieceType, rank, i, shade);
5718 AddTwoPieces (Board board, int pieceType, int rank)
5719 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5721 int i, n=squaresLeft[ANY], j=n-1, k;
5723 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5724 i = seed % k; // pick one
5727 while(i >= j) i -= j--;
5728 j = n - 1 - j; i += j;
5729 put(board, pieceType, rank, j, ANY);
5730 put(board, pieceType, rank, i, ANY);
5734 SetUpShuffle (Board board, int number)
5738 GetPositionNumber(); nrOfShuffles = 1;
5740 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5741 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5742 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5744 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5746 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5747 p = (int) board[0][i];
5748 if(p < (int) BlackPawn) piecesLeft[p] ++;
5749 board[0][i] = EmptySquare;
5752 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5753 // shuffles restricted to allow normal castling put KRR first
5754 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5755 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5756 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5757 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5758 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5759 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5760 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5761 put(board, WhiteRook, 0, 0, ANY);
5762 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5765 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5766 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5767 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5768 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5769 while(piecesLeft[p] >= 2) {
5770 AddOnePiece(board, p, 0, LITE);
5771 AddOnePiece(board, p, 0, DARK);
5773 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5776 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5777 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5778 // but we leave King and Rooks for last, to possibly obey FRC restriction
5779 if(p == (int)WhiteRook) continue;
5780 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5781 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5784 // now everything is placed, except perhaps King (Unicorn) and Rooks
5786 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5787 // Last King gets castling rights
5788 while(piecesLeft[(int)WhiteUnicorn]) {
5789 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5790 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5793 while(piecesLeft[(int)WhiteKing]) {
5794 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5795 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5800 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5801 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5804 // Only Rooks can be left; simply place them all
5805 while(piecesLeft[(int)WhiteRook]) {
5806 i = put(board, WhiteRook, 0, 0, ANY);
5807 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5810 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5812 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5815 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5816 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5819 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5823 SetCharTable (char *table, const char * map)
5824 /* [HGM] moved here from winboard.c because of its general usefulness */
5825 /* Basically a safe strcpy that uses the last character as King */
5827 int result = FALSE; int NrPieces;
5829 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5830 && NrPieces >= 12 && !(NrPieces&1)) {
5831 int i; /* [HGM] Accept even length from 12 to 34 */
5833 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5834 for( i=0; i<NrPieces/2-1; i++ ) {
5836 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5838 table[(int) WhiteKing] = map[NrPieces/2-1];
5839 table[(int) BlackKing] = map[NrPieces-1];
5848 Prelude (Board board)
5849 { // [HGM] superchess: random selection of exo-pieces
5850 int i, j, k; ChessSquare p;
5851 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5853 GetPositionNumber(); // use FRC position number
5855 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5856 SetCharTable(pieceToChar, appData.pieceToCharTable);
5857 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5858 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5861 j = seed%4; seed /= 4;
5862 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5863 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5864 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5865 j = seed%3 + (seed%3 >= j); seed /= 3;
5866 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5867 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5868 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5869 j = seed%3; seed /= 3;
5870 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5871 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5872 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5873 j = seed%2 + (seed%2 >= j); seed /= 2;
5874 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5875 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5876 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5877 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5878 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5879 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5880 put(board, exoPieces[0], 0, 0, ANY);
5881 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5885 InitPosition (int redraw)
5887 ChessSquare (* pieces)[BOARD_FILES];
5888 int i, j, pawnRow=1, pieceRows=1, overrule,
5889 oldx = gameInfo.boardWidth,
5890 oldy = gameInfo.boardHeight,
5891 oldh = gameInfo.holdingsWidth;
5894 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5896 /* [AS] Initialize pv info list [HGM] and game status */
5898 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5899 pvInfoList[i].depth = 0;
5900 boards[i][EP_STATUS] = EP_NONE;
5901 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5904 initialRulePlies = 0; /* 50-move counter start */
5906 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5907 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5911 /* [HGM] logic here is completely changed. In stead of full positions */
5912 /* the initialized data only consist of the two backranks. The switch */
5913 /* selects which one we will use, which is than copied to the Board */
5914 /* initialPosition, which for the rest is initialized by Pawns and */
5915 /* empty squares. This initial position is then copied to boards[0], */
5916 /* possibly after shuffling, so that it remains available. */
5918 gameInfo.holdingsWidth = 0; /* default board sizes */
5919 gameInfo.boardWidth = 8;
5920 gameInfo.boardHeight = 8;
5921 gameInfo.holdingsSize = 0;
5922 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5923 for(i=0; i<BOARD_FILES-2; i++)
5924 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5925 initialPosition[EP_STATUS] = EP_NONE;
5926 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5927 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5928 SetCharTable(pieceNickName, appData.pieceNickNames);
5929 else SetCharTable(pieceNickName, "............");
5932 switch (gameInfo.variant) {
5933 case VariantFischeRandom:
5934 shuffleOpenings = TRUE;
5937 case VariantShatranj:
5938 pieces = ShatranjArray;
5939 nrCastlingRights = 0;
5940 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5943 pieces = makrukArray;
5944 nrCastlingRights = 0;
5945 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5948 pieces = aseanArray;
5949 nrCastlingRights = 0;
5950 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
5952 case VariantTwoKings:
5953 pieces = twoKingsArray;
5956 pieces = GrandArray;
5957 nrCastlingRights = 0;
5958 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5959 gameInfo.boardWidth = 10;
5960 gameInfo.boardHeight = 10;
5961 gameInfo.holdingsSize = 7;
5963 case VariantCapaRandom:
5964 shuffleOpenings = TRUE;
5965 case VariantCapablanca:
5966 pieces = CapablancaArray;
5967 gameInfo.boardWidth = 10;
5968 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5971 pieces = GothicArray;
5972 gameInfo.boardWidth = 10;
5973 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5976 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5977 gameInfo.holdingsSize = 7;
5978 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
5981 pieces = JanusArray;
5982 gameInfo.boardWidth = 10;
5983 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5984 nrCastlingRights = 6;
5985 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5986 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5987 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5988 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5989 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5990 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5993 pieces = FalconArray;
5994 gameInfo.boardWidth = 10;
5995 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5997 case VariantXiangqi:
5998 pieces = XiangqiArray;
5999 gameInfo.boardWidth = 9;
6000 gameInfo.boardHeight = 10;
6001 nrCastlingRights = 0;
6002 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6005 pieces = ShogiArray;
6006 gameInfo.boardWidth = 9;
6007 gameInfo.boardHeight = 9;
6008 gameInfo.holdingsSize = 7;
6009 nrCastlingRights = 0;
6010 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6013 pieces = ChuArray; pieceRows = 3;
6014 gameInfo.boardWidth = 12;
6015 gameInfo.boardHeight = 12;
6016 nrCastlingRights = 0;
6017 SetCharTable(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN+.++.++++++++++.+++++K"
6018 "p.brqsexogcathd.vmlifn+.++.++++++++++.+++++k");
6020 case VariantCourier:
6021 pieces = CourierArray;
6022 gameInfo.boardWidth = 12;
6023 nrCastlingRights = 0;
6024 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6026 case VariantKnightmate:
6027 pieces = KnightmateArray;
6028 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6030 case VariantSpartan:
6031 pieces = SpartanArray;
6032 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6035 pieces = fairyArray;
6036 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6039 pieces = GreatArray;
6040 gameInfo.boardWidth = 10;
6041 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6042 gameInfo.holdingsSize = 8;
6046 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6047 gameInfo.holdingsSize = 8;
6048 startedFromSetupPosition = TRUE;
6050 case VariantCrazyhouse:
6051 case VariantBughouse:
6053 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6054 gameInfo.holdingsSize = 5;
6056 case VariantWildCastle:
6058 /* !!?shuffle with kings guaranteed to be on d or e file */
6059 shuffleOpenings = 1;
6061 case VariantNoCastle:
6063 nrCastlingRights = 0;
6064 /* !!?unconstrained back-rank shuffle */
6065 shuffleOpenings = 1;
6070 if(appData.NrFiles >= 0) {
6071 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6072 gameInfo.boardWidth = appData.NrFiles;
6074 if(appData.NrRanks >= 0) {
6075 gameInfo.boardHeight = appData.NrRanks;
6077 if(appData.holdingsSize >= 0) {
6078 i = appData.holdingsSize;
6079 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6080 gameInfo.holdingsSize = i;
6082 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6083 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6084 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6086 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6087 if(pawnRow < 1) pawnRow = 1;
6088 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN || gameInfo.variant == VariantGrand) pawnRow = 2;
6089 if(gameInfo.variant == VariantChu) pawnRow = 3;
6091 /* User pieceToChar list overrules defaults */
6092 if(appData.pieceToCharTable != NULL)
6093 SetCharTable(pieceToChar, appData.pieceToCharTable);
6095 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6097 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6098 s = (ChessSquare) 0; /* account holding counts in guard band */
6099 for( i=0; i<BOARD_HEIGHT; i++ )
6100 initialPosition[i][j] = s;
6102 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6103 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
6104 initialPosition[pawnRow][j] = WhitePawn;
6105 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6106 if(gameInfo.variant == VariantXiangqi) {
6108 initialPosition[pawnRow][j] =
6109 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6110 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6111 initialPosition[2][j] = WhiteCannon;
6112 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6116 if(gameInfo.variant == VariantChu) {
6117 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6118 initialPosition[pawnRow+1][j] = WhiteCobra,
6119 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6120 for(i=1; i<pieceRows; i++) {
6121 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6122 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6125 if(gameInfo.variant == VariantGrand) {
6126 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6127 initialPosition[0][j] = WhiteRook;
6128 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6131 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
6133 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6136 initialPosition[1][j] = WhiteBishop;
6137 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6139 initialPosition[1][j] = WhiteRook;
6140 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6143 if( nrCastlingRights == -1) {
6144 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6145 /* This sets default castling rights from none to normal corners */
6146 /* Variants with other castling rights must set them themselves above */
6147 nrCastlingRights = 6;
6149 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6150 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6151 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6152 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6153 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6154 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6157 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6158 if(gameInfo.variant == VariantGreat) { // promotion commoners
6159 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6160 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6161 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6162 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6164 if( gameInfo.variant == VariantSChess ) {
6165 initialPosition[1][0] = BlackMarshall;
6166 initialPosition[2][0] = BlackAngel;
6167 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6168 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6169 initialPosition[1][1] = initialPosition[2][1] =
6170 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6172 if (appData.debugMode) {
6173 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6175 if(shuffleOpenings) {
6176 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6177 startedFromSetupPosition = TRUE;
6179 if(startedFromPositionFile) {
6180 /* [HGM] loadPos: use PositionFile for every new game */
6181 CopyBoard(initialPosition, filePosition);
6182 for(i=0; i<nrCastlingRights; i++)
6183 initialRights[i] = filePosition[CASTLING][i];
6184 startedFromSetupPosition = TRUE;
6187 CopyBoard(boards[0], initialPosition);
6189 if(oldx != gameInfo.boardWidth ||
6190 oldy != gameInfo.boardHeight ||
6191 oldv != gameInfo.variant ||
6192 oldh != gameInfo.holdingsWidth
6194 InitDrawingSizes(-2 ,0);
6196 oldv = gameInfo.variant;
6198 DrawPosition(TRUE, boards[currentMove]);
6202 SendBoard (ChessProgramState *cps, int moveNum)
6204 char message[MSG_SIZ];
6206 if (cps->useSetboard) {
6207 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6208 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6209 SendToProgram(message, cps);
6214 int i, j, left=0, right=BOARD_WIDTH;
6215 /* Kludge to set black to move, avoiding the troublesome and now
6216 * deprecated "black" command.
6218 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6219 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6221 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6223 SendToProgram("edit\n", cps);
6224 SendToProgram("#\n", cps);
6225 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6226 bp = &boards[moveNum][i][left];
6227 for (j = left; j < right; j++, bp++) {
6228 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6229 if ((int) *bp < (int) BlackPawn) {
6230 if(j == BOARD_RGHT+1)
6231 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6232 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6233 if(message[0] == '+' || message[0] == '~') {
6234 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6235 PieceToChar((ChessSquare)(DEMOTED *bp)),
6238 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6239 message[1] = BOARD_RGHT - 1 - j + '1';
6240 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6242 SendToProgram(message, cps);
6247 SendToProgram("c\n", cps);
6248 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6249 bp = &boards[moveNum][i][left];
6250 for (j = left; j < right; j++, bp++) {
6251 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6252 if (((int) *bp != (int) EmptySquare)
6253 && ((int) *bp >= (int) BlackPawn)) {
6254 if(j == BOARD_LEFT-2)
6255 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6256 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6258 if(message[0] == '+' || message[0] == '~') {
6259 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6260 PieceToChar((ChessSquare)(DEMOTED *bp)),
6263 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6264 message[1] = BOARD_RGHT - 1 - j + '1';
6265 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6267 SendToProgram(message, cps);
6272 SendToProgram(".\n", cps);
6274 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6277 char exclusionHeader[MSG_SIZ];
6278 int exCnt, excludePtr;
6279 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6280 static Exclusion excluTab[200];
6281 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6287 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6288 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6294 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6295 excludePtr = 24; exCnt = 0;
6300 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6301 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6302 char buf[2*MOVE_LEN], *p;
6303 Exclusion *e = excluTab;
6305 for(i=0; i<exCnt; i++)
6306 if(e[i].ff == fromX && e[i].fr == fromY &&
6307 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6308 if(i == exCnt) { // was not in exclude list; add it
6309 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6310 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6311 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6314 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6315 excludePtr++; e[i].mark = excludePtr++;
6316 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6319 exclusionHeader[e[i].mark] = state;
6323 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6324 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6328 if((signed char)promoChar == -1) { // kludge to indicate best move
6329 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6330 return 1; // if unparsable, abort
6332 // update exclusion map (resolving toggle by consulting existing state)
6333 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6335 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6336 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6337 excludeMap[k] |= 1<<j;
6338 else excludeMap[k] &= ~(1<<j);
6340 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6342 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6343 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6345 return (state == '+');
6349 ExcludeClick (int index)
6352 Exclusion *e = excluTab;
6353 if(index < 25) { // none, best or tail clicked
6354 if(index < 13) { // none: include all
6355 WriteMap(0); // clear map
6356 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6357 SendToBoth("include all\n"); // and inform engine
6358 } else if(index > 18) { // tail
6359 if(exclusionHeader[19] == '-') { // tail was excluded
6360 SendToBoth("include all\n");
6361 WriteMap(0); // clear map completely
6362 // now re-exclude selected moves
6363 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6364 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6365 } else { // tail was included or in mixed state
6366 SendToBoth("exclude all\n");
6367 WriteMap(0xFF); // fill map completely
6368 // now re-include selected moves
6369 j = 0; // count them
6370 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6371 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6372 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6375 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6378 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6379 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6380 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6387 DefaultPromoChoice (int white)
6390 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6391 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
6392 result = WhiteFerz; // no choice
6393 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6394 result= WhiteKing; // in Suicide Q is the last thing we want
6395 else if(gameInfo.variant == VariantSpartan)
6396 result = white ? WhiteQueen : WhiteAngel;
6397 else result = WhiteQueen;
6398 if(!white) result = WHITE_TO_BLACK result;
6402 static int autoQueen; // [HGM] oneclick
6405 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6407 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6408 /* [HGM] add Shogi promotions */
6409 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6414 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6415 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6417 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6418 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6421 piece = boards[currentMove][fromY][fromX];
6422 if(gameInfo.variant == VariantChu) {
6423 int p = piece >= BlackPawn ? BLACK_TO_WHITE piece : piece;
6424 promotionZoneSize = BOARD_HEIGHT/3;
6425 highestPromotingPiece = (p >= WhiteLion || PieceToChar(piece + 22) == '.') ? WhitePawn : WhiteKing;
6426 } else if(gameInfo.variant == VariantShogi) {
6427 promotionZoneSize = BOARD_HEIGHT/3;
6428 highestPromotingPiece = (int)WhiteAlfil;
6429 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6430 promotionZoneSize = 3;
6433 // Treat Lance as Pawn when it is not representing Amazon
6434 if(gameInfo.variant != VariantSuper) {
6435 if(piece == WhiteLance) piece = WhitePawn; else
6436 if(piece == BlackLance) piece = BlackPawn;
6439 // next weed out all moves that do not touch the promotion zone at all
6440 if((int)piece >= BlackPawn) {
6441 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6443 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6445 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6446 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6449 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6451 // weed out mandatory Shogi promotions
6452 if(gameInfo.variant == VariantShogi) {
6453 if(piece >= BlackPawn) {
6454 if(toY == 0 && piece == BlackPawn ||
6455 toY == 0 && piece == BlackQueen ||
6456 toY <= 1 && piece == BlackKnight) {
6461 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6462 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6463 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6470 // weed out obviously illegal Pawn moves
6471 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6472 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6473 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6474 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6475 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6476 // note we are not allowed to test for valid (non-)capture, due to premove
6479 // we either have a choice what to promote to, or (in Shogi) whether to promote
6480 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6481 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) {
6482 *promoChoice = PieceToChar(BlackFerz); // no choice
6485 // no sense asking what we must promote to if it is going to explode...
6486 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6487 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6490 // give caller the default choice even if we will not make it
6491 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6492 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6493 if( sweepSelect && gameInfo.variant != VariantGreat
6494 && gameInfo.variant != VariantGrand
6495 && gameInfo.variant != VariantSuper) return FALSE;
6496 if(autoQueen) return FALSE; // predetermined
6498 // suppress promotion popup on illegal moves that are not premoves
6499 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6500 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6501 if(appData.testLegality && !premove) {
6502 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6503 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) ? '+' : NULLCHAR);
6504 if(moveType != WhitePromotion && moveType != BlackPromotion)
6512 InPalace (int row, int column)
6513 { /* [HGM] for Xiangqi */
6514 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6515 column < (BOARD_WIDTH + 4)/2 &&
6516 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6521 PieceForSquare (int x, int y)
6523 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6526 return boards[currentMove][y][x];
6530 OKToStartUserMove (int x, int y)
6532 ChessSquare from_piece;
6535 if (matchMode) return FALSE;
6536 if (gameMode == EditPosition) return TRUE;
6538 if (x >= 0 && y >= 0)
6539 from_piece = boards[currentMove][y][x];
6541 from_piece = EmptySquare;
6543 if (from_piece == EmptySquare) return FALSE;
6545 white_piece = (int)from_piece >= (int)WhitePawn &&
6546 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6550 case TwoMachinesPlay:
6558 case MachinePlaysWhite:
6559 case IcsPlayingBlack:
6560 if (appData.zippyPlay) return FALSE;
6562 DisplayMoveError(_("You are playing Black"));
6567 case MachinePlaysBlack:
6568 case IcsPlayingWhite:
6569 if (appData.zippyPlay) return FALSE;
6571 DisplayMoveError(_("You are playing White"));
6576 case PlayFromGameFile:
6577 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6579 if (!white_piece && WhiteOnMove(currentMove)) {
6580 DisplayMoveError(_("It is White's turn"));
6583 if (white_piece && !WhiteOnMove(currentMove)) {
6584 DisplayMoveError(_("It is Black's turn"));
6587 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6588 /* Editing correspondence game history */
6589 /* Could disallow this or prompt for confirmation */
6594 case BeginningOfGame:
6595 if (appData.icsActive) return FALSE;
6596 if (!appData.noChessProgram) {
6598 DisplayMoveError(_("You are playing White"));
6605 if (!white_piece && WhiteOnMove(currentMove)) {
6606 DisplayMoveError(_("It is White's turn"));
6609 if (white_piece && !WhiteOnMove(currentMove)) {
6610 DisplayMoveError(_("It is Black's turn"));
6619 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6620 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6621 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6622 && gameMode != AnalyzeFile && gameMode != Training) {
6623 DisplayMoveError(_("Displayed position is not current"));
6630 OnlyMove (int *x, int *y, Boolean captures)
6632 DisambiguateClosure cl;
6633 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6635 case MachinePlaysBlack:
6636 case IcsPlayingWhite:
6637 case BeginningOfGame:
6638 if(!WhiteOnMove(currentMove)) return FALSE;
6640 case MachinePlaysWhite:
6641 case IcsPlayingBlack:
6642 if(WhiteOnMove(currentMove)) return FALSE;
6649 cl.pieceIn = EmptySquare;
6654 cl.promoCharIn = NULLCHAR;
6655 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6656 if( cl.kind == NormalMove ||
6657 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6658 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6659 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6666 if(cl.kind != ImpossibleMove) return FALSE;
6667 cl.pieceIn = EmptySquare;
6672 cl.promoCharIn = NULLCHAR;
6673 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6674 if( cl.kind == NormalMove ||
6675 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6676 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6677 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6682 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6688 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6689 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6690 int lastLoadGameUseList = FALSE;
6691 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6692 ChessMove lastLoadGameStart = EndOfFile;
6696 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6700 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6702 /* Check if the user is playing in turn. This is complicated because we
6703 let the user "pick up" a piece before it is his turn. So the piece he
6704 tried to pick up may have been captured by the time he puts it down!
6705 Therefore we use the color the user is supposed to be playing in this
6706 test, not the color of the piece that is currently on the starting
6707 square---except in EditGame mode, where the user is playing both
6708 sides; fortunately there the capture race can't happen. (It can
6709 now happen in IcsExamining mode, but that's just too bad. The user
6710 will get a somewhat confusing message in that case.)
6715 case TwoMachinesPlay:
6719 /* We switched into a game mode where moves are not accepted,
6720 perhaps while the mouse button was down. */
6723 case MachinePlaysWhite:
6724 /* User is moving for Black */
6725 if (WhiteOnMove(currentMove)) {
6726 DisplayMoveError(_("It is White's turn"));
6731 case MachinePlaysBlack:
6732 /* User is moving for White */
6733 if (!WhiteOnMove(currentMove)) {
6734 DisplayMoveError(_("It is Black's turn"));
6739 case PlayFromGameFile:
6740 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6743 case BeginningOfGame:
6746 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6747 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6748 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6749 /* User is moving for Black */
6750 if (WhiteOnMove(currentMove)) {
6751 DisplayMoveError(_("It is White's turn"));
6755 /* User is moving for White */
6756 if (!WhiteOnMove(currentMove)) {
6757 DisplayMoveError(_("It is Black's turn"));
6763 case IcsPlayingBlack:
6764 /* User is moving for Black */
6765 if (WhiteOnMove(currentMove)) {
6766 if (!appData.premove) {
6767 DisplayMoveError(_("It is White's turn"));
6768 } else if (toX >= 0 && toY >= 0) {
6771 premoveFromX = fromX;
6772 premoveFromY = fromY;
6773 premovePromoChar = promoChar;
6775 if (appData.debugMode)
6776 fprintf(debugFP, "Got premove: fromX %d,"
6777 "fromY %d, toX %d, toY %d\n",
6778 fromX, fromY, toX, toY);
6784 case IcsPlayingWhite:
6785 /* User is moving for White */
6786 if (!WhiteOnMove(currentMove)) {
6787 if (!appData.premove) {
6788 DisplayMoveError(_("It is Black's turn"));
6789 } else if (toX >= 0 && toY >= 0) {
6792 premoveFromX = fromX;
6793 premoveFromY = fromY;
6794 premovePromoChar = promoChar;
6796 if (appData.debugMode)
6797 fprintf(debugFP, "Got premove: fromX %d,"
6798 "fromY %d, toX %d, toY %d\n",
6799 fromX, fromY, toX, toY);
6809 /* EditPosition, empty square, or different color piece;
6810 click-click move is possible */
6811 if (toX == -2 || toY == -2) {
6812 boards[0][fromY][fromX] = EmptySquare;
6813 DrawPosition(FALSE, boards[currentMove]);
6815 } else if (toX >= 0 && toY >= 0) {
6816 boards[0][toY][toX] = boards[0][fromY][fromX];
6817 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6818 if(boards[0][fromY][0] != EmptySquare) {
6819 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6820 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6823 if(fromX == BOARD_RGHT+1) {
6824 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6825 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6826 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6829 boards[0][fromY][fromX] = gatingPiece;
6830 DrawPosition(FALSE, boards[currentMove]);
6836 if(toX < 0 || toY < 0) return;
6837 pup = boards[currentMove][toY][toX];
6839 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6840 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6841 if( pup != EmptySquare ) return;
6842 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6843 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6844 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6845 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6846 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6847 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6848 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6852 /* [HGM] always test for legality, to get promotion info */
6853 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6854 fromY, fromX, toY, toX, promoChar);
6856 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6858 /* [HGM] but possibly ignore an IllegalMove result */
6859 if (appData.testLegality) {
6860 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6861 DisplayMoveError(_("Illegal move"));
6866 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6867 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6868 ClearPremoveHighlights(); // was included
6869 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6873 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6876 /* Common tail of UserMoveEvent and DropMenuEvent */
6878 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6882 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6883 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6884 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6885 if(WhiteOnMove(currentMove)) {
6886 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6888 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6892 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6893 move type in caller when we know the move is a legal promotion */
6894 if(moveType == NormalMove && promoChar)
6895 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6897 /* [HGM] <popupFix> The following if has been moved here from
6898 UserMoveEvent(). Because it seemed to belong here (why not allow
6899 piece drops in training games?), and because it can only be
6900 performed after it is known to what we promote. */
6901 if (gameMode == Training) {
6902 /* compare the move played on the board to the next move in the
6903 * game. If they match, display the move and the opponent's response.
6904 * If they don't match, display an error message.
6908 CopyBoard(testBoard, boards[currentMove]);
6909 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6911 if (CompareBoards(testBoard, boards[currentMove+1])) {
6912 ForwardInner(currentMove+1);
6914 /* Autoplay the opponent's response.
6915 * if appData.animate was TRUE when Training mode was entered,
6916 * the response will be animated.
6918 saveAnimate = appData.animate;
6919 appData.animate = animateTraining;
6920 ForwardInner(currentMove+1);
6921 appData.animate = saveAnimate;
6923 /* check for the end of the game */
6924 if (currentMove >= forwardMostMove) {
6925 gameMode = PlayFromGameFile;
6927 SetTrainingModeOff();
6928 DisplayInformation(_("End of game"));
6931 DisplayError(_("Incorrect move"), 0);
6936 /* Ok, now we know that the move is good, so we can kill
6937 the previous line in Analysis Mode */
6938 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6939 && currentMove < forwardMostMove) {
6940 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6941 else forwardMostMove = currentMove;
6946 /* If we need the chess program but it's dead, restart it */
6947 ResurrectChessProgram();
6949 /* A user move restarts a paused game*/
6953 thinkOutput[0] = NULLCHAR;
6955 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6957 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6958 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6962 if (gameMode == BeginningOfGame) {
6963 if (appData.noChessProgram) {
6964 gameMode = EditGame;
6968 gameMode = MachinePlaysBlack;
6971 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6973 if (first.sendName) {
6974 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6975 SendToProgram(buf, &first);
6982 /* Relay move to ICS or chess engine */
6983 if (appData.icsActive) {
6984 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6985 gameMode == IcsExamining) {
6986 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6987 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6989 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6991 // also send plain move, in case ICS does not understand atomic claims
6992 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6996 if (first.sendTime && (gameMode == BeginningOfGame ||
6997 gameMode == MachinePlaysWhite ||
6998 gameMode == MachinePlaysBlack)) {
6999 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7001 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7002 // [HGM] book: if program might be playing, let it use book
7003 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7004 first.maybeThinking = TRUE;
7005 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7006 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7007 SendBoard(&first, currentMove+1);
7008 if(second.analyzing) {
7009 if(!second.useSetboard) SendToProgram("undo\n", &second);
7010 SendBoard(&second, currentMove+1);
7013 SendMoveToProgram(forwardMostMove-1, &first);
7014 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7016 if (currentMove == cmailOldMove + 1) {
7017 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7021 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7025 if(appData.testLegality)
7026 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7032 if (WhiteOnMove(currentMove)) {
7033 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7035 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7039 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7044 case MachinePlaysBlack:
7045 case MachinePlaysWhite:
7046 /* disable certain menu options while machine is thinking */
7047 SetMachineThinkingEnables();
7054 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7055 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7057 if(bookHit) { // [HGM] book: simulate book reply
7058 static char bookMove[MSG_SIZ]; // a bit generous?
7060 programStats.nodes = programStats.depth = programStats.time =
7061 programStats.score = programStats.got_only_move = 0;
7062 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7064 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7065 strcat(bookMove, bookHit);
7066 HandleMachineMove(bookMove, &first);
7072 MarkByFEN(char *fen)
7075 if(!appData.markers || !appData.highlightDragging) return;
7076 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7077 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7081 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7082 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 1; else
7083 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7084 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7085 if(*fen == 'T') marker[r][f++] = 0; else
7086 if(*fen == 'Y') marker[r][f++] = 1; else
7087 if(*fen == 'G') marker[r][f++] = 3; else
7088 if(*fen == 'B') marker[r][f++] = 4; else
7089 if(*fen == 'C') marker[r][f++] = 5; else
7090 if(*fen == 'M') marker[r][f++] = 6; else
7091 if(*fen == 'W') marker[r][f++] = 7; else
7092 if(*fen == 'D') marker[r][f++] = 8; else
7093 if(*fen == 'R') marker[r][f++] = 2; else {
7094 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7097 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7101 DrawPosition(TRUE, NULL);
7105 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7107 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7108 Markers *m = (Markers *) closure;
7109 if(rf == fromY && ff == fromX)
7110 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7111 || kind == WhiteCapturesEnPassant
7112 || kind == BlackCapturesEnPassant);
7113 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
7117 MarkTargetSquares (int clear)
7120 if(clear) { // no reason to ever suppress clearing
7121 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7122 if(!sum) return; // nothing was cleared,no redraw needed
7125 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7126 !appData.testLegality || gameMode == EditPosition) return;
7127 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7128 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7129 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7131 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7134 DrawPosition(FALSE, NULL);
7138 Explode (Board board, int fromX, int fromY, int toX, int toY)
7140 if(gameInfo.variant == VariantAtomic &&
7141 (board[toY][toX] != EmptySquare || // capture?
7142 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7143 board[fromY][fromX] == BlackPawn )
7145 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7151 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7154 CanPromote (ChessSquare piece, int y)
7156 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7157 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7158 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7159 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7160 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7161 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) return FALSE;
7162 return (piece == BlackPawn && y == 1 ||
7163 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
7164 piece == BlackLance && y == 1 ||
7165 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7169 HoverEvent (int xPix, int yPix, int x, int y)
7171 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7173 if(dragging == 2) DragPieceMove(xPix, yPix); // [HGM] lion: drag without button for second leg
7174 if(!first.highlight) return;
7175 if(hiX == -1 && hiY == -1 && x == fromX && y == fromY) // record markings
7176 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7177 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7178 else if(hiX != x || hiY != y) {
7179 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7180 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7181 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7182 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7184 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7185 SendToProgram(buf, &first);
7187 SetHighlights(fromX, fromY, x, y);
7191 void ReportClick(char *action, int x, int y)
7193 char buf[MSG_SIZ]; // Inform engine of what user does
7195 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7196 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 1, marker[r][f] = 0;
7197 if(!first.highlight || gameMode == EditPosition) return;
7198 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7199 SendToProgram(buf, &first);
7203 LeftClick (ClickType clickType, int xPix, int yPix)
7206 Boolean saveAnimate;
7207 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7208 char promoChoice = NULLCHAR;
7210 static TimeMark lastClickTime, prevClickTime;
7212 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7214 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7216 if (clickType == Press) ErrorPopDown();
7217 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7219 x = EventToSquare(xPix, BOARD_WIDTH);
7220 y = EventToSquare(yPix, BOARD_HEIGHT);
7221 if (!flipView && y >= 0) {
7222 y = BOARD_HEIGHT - 1 - y;
7224 if (flipView && x >= 0) {
7225 x = BOARD_WIDTH - 1 - x;
7228 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7229 defaultPromoChoice = promoSweep;
7230 promoSweep = EmptySquare; // terminate sweep
7231 promoDefaultAltered = TRUE;
7232 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7235 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7236 if(clickType == Release) return; // ignore upclick of click-click destination
7237 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7238 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7239 if(gameInfo.holdingsWidth &&
7240 (WhiteOnMove(currentMove)
7241 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7242 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7243 // click in right holdings, for determining promotion piece
7244 ChessSquare p = boards[currentMove][y][x];
7245 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7246 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7247 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7248 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7253 DrawPosition(FALSE, boards[currentMove]);
7257 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7258 if(clickType == Press
7259 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7260 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7261 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7264 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7265 // could be static click on premove from-square: abort premove
7267 ClearPremoveHighlights();
7270 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7271 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7273 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7274 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7275 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7276 defaultPromoChoice = DefaultPromoChoice(side);
7279 autoQueen = appData.alwaysPromoteToQueen;
7283 gatingPiece = EmptySquare;
7284 if (clickType != Press) {
7285 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7286 DragPieceEnd(xPix, yPix); dragging = 0;
7287 DrawPosition(FALSE, NULL);
7291 doubleClick = FALSE;
7292 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7293 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7295 fromX = x; fromY = y; toX = toY = -1;
7296 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7297 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7298 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7300 if (OKToStartUserMove(fromX, fromY)) {
7302 ReportClick("lift", x, y);
7303 MarkTargetSquares(0);
7304 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7305 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7306 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7307 promoSweep = defaultPromoChoice;
7308 selectFlag = 0; lastX = xPix; lastY = yPix;
7309 Sweep(0); // Pawn that is going to promote: preview promotion piece
7310 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7312 if (appData.highlightDragging) {
7313 SetHighlights(fromX, fromY, -1, -1);
7317 } else fromX = fromY = -1;
7323 if (clickType == Press && gameMode != EditPosition && killX < 0) {
7328 // ignore off-board to clicks
7329 if(y < 0 || x < 0) return;
7331 /* Check if clicking again on the same color piece */
7332 fromP = boards[currentMove][fromY][fromX];
7333 toP = boards[currentMove][y][x];
7334 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7335 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
7336 WhitePawn <= toP && toP <= WhiteKing &&
7337 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7338 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7339 (BlackPawn <= fromP && fromP <= BlackKing &&
7340 BlackPawn <= toP && toP <= BlackKing &&
7341 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7342 !(fromP == BlackKing && toP == BlackRook && frc))) {
7343 /* Clicked again on same color piece -- changed his mind */
7344 second = (x == fromX && y == fromY);
7345 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7346 second = FALSE; // first double-click rather than scond click
7347 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7349 promoDefaultAltered = FALSE;
7350 MarkTargetSquares(1);
7351 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7352 if (appData.highlightDragging) {
7353 SetHighlights(x, y, -1, -1);
7357 if (OKToStartUserMove(x, y)) {
7358 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7359 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7360 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7361 gatingPiece = boards[currentMove][fromY][fromX];
7362 else gatingPiece = doubleClick ? fromP : EmptySquare;
7364 fromY = y; dragging = 1;
7365 ReportClick("lift", x, y);
7366 MarkTargetSquares(0);
7367 DragPieceBegin(xPix, yPix, FALSE);
7368 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7369 promoSweep = defaultPromoChoice;
7370 selectFlag = 0; lastX = xPix; lastY = yPix;
7371 Sweep(0); // Pawn that is going to promote: preview promotion piece
7375 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7378 // ignore clicks on holdings
7379 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7382 if (clickType == Release && x == fromX && y == fromY && killX < 0) {
7383 DragPieceEnd(xPix, yPix); dragging = 0;
7385 // a deferred attempt to click-click move an empty square on top of a piece
7386 boards[currentMove][y][x] = EmptySquare;
7388 DrawPosition(FALSE, boards[currentMove]);
7389 fromX = fromY = -1; clearFlag = 0;
7392 if (appData.animateDragging) {
7393 /* Undo animation damage if any */
7394 DrawPosition(FALSE, NULL);
7396 if (second || sweepSelecting) {
7397 /* Second up/down in same square; just abort move */
7398 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7399 second = sweepSelecting = 0;
7401 gatingPiece = EmptySquare;
7402 MarkTargetSquares(1);
7405 ClearPremoveHighlights();
7407 /* First upclick in same square; start click-click mode */
7408 SetHighlights(x, y, -1, -1);
7415 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] && (x != killX || y != killY)) {
7416 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7417 DisplayMessage(_("only marked squares are legal"),"");
7418 DrawPosition(TRUE, NULL);
7419 return; // ignore to-click
7422 /* we now have a different from- and (possibly off-board) to-square */
7423 /* Completed move */
7424 if(!sweepSelecting) {
7427 } else sweepSelecting = 0; // this must be the up-click corresponding to the down-click that started the sweep
7429 saveAnimate = appData.animate;
7430 if (clickType == Press) {
7431 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7432 // must be Edit Position mode with empty-square selected
7433 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7434 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7437 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7441 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7442 killX = killY = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7444 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7445 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7446 if(appData.sweepSelect) {
7447 ChessSquare piece = boards[currentMove][fromY][fromX];
7448 promoSweep = defaultPromoChoice;
7449 if(PieceToChar(CHUPROMOTED piece) == '+') promoSweep = CHUPROMOTED piece;
7450 selectFlag = 0; lastX = xPix; lastY = yPix;
7451 Sweep(0); // Pawn that is going to promote: preview promotion piece
7453 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7454 MarkTargetSquares(1);
7456 return; // promo popup appears on up-click
7458 /* Finish clickclick move */
7459 if (appData.animate || appData.highlightLastMove) {
7460 SetHighlights(fromX, fromY, toX, toY);
7466 // [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
7467 /* Finish drag move */
7468 if (appData.highlightLastMove) {
7469 SetHighlights(fromX, fromY, toX, toY);
7474 if(!dragging || marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7475 dragging *= 2; // flag button-less dragging if we are dragging
7476 MarkTargetSquares(1);
7477 if(x == killX && y == killY) killX = killY = -1; else {
7478 killX = x; killY = y; //remeber this square as intermediate
7479 ReportClick("put", x, y); // and inform engine
7480 ReportClick("lift", x, y);
7484 DragPieceEnd(xPix, yPix); dragging = 0;
7485 /* Don't animate move and drag both */
7486 appData.animate = FALSE;
7489 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7490 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7491 ChessSquare piece = boards[currentMove][fromY][fromX];
7492 if(gameMode == EditPosition && piece != EmptySquare &&
7493 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7496 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7497 n = PieceToNumber(piece - (int)BlackPawn);
7498 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7499 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7500 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7502 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7503 n = PieceToNumber(piece);
7504 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7505 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7506 boards[currentMove][n][BOARD_WIDTH-2]++;
7508 boards[currentMove][fromY][fromX] = EmptySquare;
7512 MarkTargetSquares(1);
7513 DrawPosition(TRUE, boards[currentMove]);
7517 // off-board moves should not be highlighted
7518 if(x < 0 || y < 0) ClearHighlights();
7519 else ReportClick("put", x, y);
7521 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7523 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7524 SetHighlights(fromX, fromY, toX, toY);
7525 MarkTargetSquares(1);
7526 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7527 // [HGM] super: promotion to captured piece selected from holdings
7528 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7529 promotionChoice = TRUE;
7530 // kludge follows to temporarily execute move on display, without promoting yet
7531 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7532 boards[currentMove][toY][toX] = p;
7533 DrawPosition(FALSE, boards[currentMove]);
7534 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7535 boards[currentMove][toY][toX] = q;
7536 DisplayMessage("Click in holdings to choose piece", "");
7541 int oldMove = currentMove;
7542 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7543 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7544 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7545 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7546 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7547 DrawPosition(TRUE, boards[currentMove]);
7548 MarkTargetSquares(1);
7551 appData.animate = saveAnimate;
7552 if (appData.animate || appData.animateDragging) {
7553 /* Undo animation damage if needed */
7554 DrawPosition(FALSE, NULL);
7559 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7560 { // front-end-free part taken out of PieceMenuPopup
7561 int whichMenu; int xSqr, ySqr;
7563 if(seekGraphUp) { // [HGM] seekgraph
7564 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7565 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7569 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7570 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7571 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7572 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7573 if(action == Press) {
7574 originalFlip = flipView;
7575 flipView = !flipView; // temporarily flip board to see game from partners perspective
7576 DrawPosition(TRUE, partnerBoard);
7577 DisplayMessage(partnerStatus, "");
7579 } else if(action == Release) {
7580 flipView = originalFlip;
7581 DrawPosition(TRUE, boards[currentMove]);
7587 xSqr = EventToSquare(x, BOARD_WIDTH);
7588 ySqr = EventToSquare(y, BOARD_HEIGHT);
7589 if (action == Release) {
7590 if(pieceSweep != EmptySquare) {
7591 EditPositionMenuEvent(pieceSweep, toX, toY);
7592 pieceSweep = EmptySquare;
7593 } else UnLoadPV(); // [HGM] pv
7595 if (action != Press) return -2; // return code to be ignored
7598 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7600 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7601 if (xSqr < 0 || ySqr < 0) return -1;
7602 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7603 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7604 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7605 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7609 if(!appData.icsEngineAnalyze) return -1;
7610 case IcsPlayingWhite:
7611 case IcsPlayingBlack:
7612 if(!appData.zippyPlay) goto noZip;
7615 case MachinePlaysWhite:
7616 case MachinePlaysBlack:
7617 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7618 if (!appData.dropMenu) {
7620 return 2; // flag front-end to grab mouse events
7622 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7623 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7626 if (xSqr < 0 || ySqr < 0) return -1;
7627 if (!appData.dropMenu || appData.testLegality &&
7628 gameInfo.variant != VariantBughouse &&
7629 gameInfo.variant != VariantCrazyhouse) return -1;
7630 whichMenu = 1; // drop menu
7636 if (((*fromX = xSqr) < 0) ||
7637 ((*fromY = ySqr) < 0)) {
7638 *fromX = *fromY = -1;
7642 *fromX = BOARD_WIDTH - 1 - *fromX;
7644 *fromY = BOARD_HEIGHT - 1 - *fromY;
7650 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7652 // char * hint = lastHint;
7653 FrontEndProgramStats stats;
7655 stats.which = cps == &first ? 0 : 1;
7656 stats.depth = cpstats->depth;
7657 stats.nodes = cpstats->nodes;
7658 stats.score = cpstats->score;
7659 stats.time = cpstats->time;
7660 stats.pv = cpstats->movelist;
7661 stats.hint = lastHint;
7662 stats.an_move_index = 0;
7663 stats.an_move_count = 0;
7665 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7666 stats.hint = cpstats->move_name;
7667 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7668 stats.an_move_count = cpstats->nr_moves;
7671 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
7673 SetProgramStats( &stats );
7677 ClearEngineOutputPane (int which)
7679 static FrontEndProgramStats dummyStats;
7680 dummyStats.which = which;
7681 dummyStats.pv = "#";
7682 SetProgramStats( &dummyStats );
7685 #define MAXPLAYERS 500
7688 TourneyStandings (int display)
7690 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7691 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7692 char result, *p, *names[MAXPLAYERS];
7694 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7695 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7696 names[0] = p = strdup(appData.participants);
7697 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7699 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7701 while(result = appData.results[nr]) {
7702 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7703 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7704 wScore = bScore = 0;
7706 case '+': wScore = 2; break;
7707 case '-': bScore = 2; break;
7708 case '=': wScore = bScore = 1; break;
7710 case '*': return strdup("busy"); // tourney not finished
7718 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7719 for(w=0; w<nPlayers; w++) {
7721 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7722 ranking[w] = b; points[w] = bScore; score[b] = -2;
7724 p = malloc(nPlayers*34+1);
7725 for(w=0; w<nPlayers && w<display; w++)
7726 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7732 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7733 { // count all piece types
7735 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7736 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7737 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7740 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7741 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7742 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7743 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7744 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7745 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7750 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7752 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7753 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7755 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7756 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7757 if(myPawns == 2 && nMine == 3) // KPP
7758 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7759 if(myPawns == 1 && nMine == 2) // KP
7760 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7761 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7762 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7763 if(myPawns) return FALSE;
7764 if(pCnt[WhiteRook+side])
7765 return pCnt[BlackRook-side] ||
7766 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7767 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7768 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7769 if(pCnt[WhiteCannon+side]) {
7770 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7771 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7773 if(pCnt[WhiteKnight+side])
7774 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7779 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7781 VariantClass v = gameInfo.variant;
7783 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7784 if(v == VariantShatranj) return TRUE; // always winnable through baring
7785 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7786 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7788 if(v == VariantXiangqi) {
7789 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7791 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7792 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7793 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7794 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7795 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7796 if(stale) // we have at least one last-rank P plus perhaps C
7797 return majors // KPKX
7798 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7800 return pCnt[WhiteFerz+side] // KCAK
7801 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7802 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7803 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7805 } else if(v == VariantKnightmate) {
7806 if(nMine == 1) return FALSE;
7807 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7808 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7809 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7811 if(nMine == 1) return FALSE; // bare King
7812 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
7813 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7814 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7815 // by now we have King + 1 piece (or multiple Bishops on the same color)
7816 if(pCnt[WhiteKnight+side])
7817 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7818 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7819 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7821 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7822 if(pCnt[WhiteAlfil+side])
7823 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7824 if(pCnt[WhiteWazir+side])
7825 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7832 CompareWithRights (Board b1, Board b2)
7835 if(!CompareBoards(b1, b2)) return FALSE;
7836 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7837 /* compare castling rights */
7838 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7839 rights++; /* King lost rights, while rook still had them */
7840 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7841 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7842 rights++; /* but at least one rook lost them */
7844 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7846 if( b1[CASTLING][5] != NoRights ) {
7847 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7854 Adjudicate (ChessProgramState *cps)
7855 { // [HGM] some adjudications useful with buggy engines
7856 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7857 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7858 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7859 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7860 int k, drop, count = 0; static int bare = 1;
7861 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7862 Boolean canAdjudicate = !appData.icsActive;
7864 // most tests only when we understand the game, i.e. legality-checking on
7865 if( appData.testLegality )
7866 { /* [HGM] Some more adjudications for obstinate engines */
7867 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7868 static int moveCount = 6;
7870 char *reason = NULL;
7872 /* Count what is on board. */
7873 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7875 /* Some material-based adjudications that have to be made before stalemate test */
7876 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7877 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7878 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7879 if(canAdjudicate && appData.checkMates) {
7881 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7882 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7883 "Xboard adjudication: King destroyed", GE_XBOARD );
7888 /* Bare King in Shatranj (loses) or Losers (wins) */
7889 if( nrW == 1 || nrB == 1) {
7890 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7891 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7892 if(canAdjudicate && appData.checkMates) {
7894 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7895 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7896 "Xboard adjudication: Bare king", GE_XBOARD );
7900 if( gameInfo.variant == VariantShatranj && --bare < 0)
7902 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7903 if(canAdjudicate && appData.checkMates) {
7904 /* but only adjudicate if adjudication enabled */
7906 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7907 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7908 "Xboard adjudication: Bare king", GE_XBOARD );
7915 // don't wait for engine to announce game end if we can judge ourselves
7916 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7918 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7919 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7920 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7921 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7924 reason = "Xboard adjudication: 3rd check";
7925 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7935 reason = "Xboard adjudication: Stalemate";
7936 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7937 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7938 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7939 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7940 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7941 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7942 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7943 EP_CHECKMATE : EP_WINS);
7944 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
7945 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7949 reason = "Xboard adjudication: Checkmate";
7950 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7951 if(gameInfo.variant == VariantShogi) {
7952 if(forwardMostMove > backwardMostMove
7953 && moveList[forwardMostMove-1][1] == '@'
7954 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
7955 reason = "XBoard adjudication: pawn-drop mate";
7956 boards[forwardMostMove][EP_STATUS] = EP_WINS;
7962 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7964 result = GameIsDrawn; break;
7966 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7968 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7972 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7974 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7975 GameEnds( result, reason, GE_XBOARD );
7979 /* Next absolutely insufficient mating material. */
7980 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7981 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7982 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7984 /* always flag draws, for judging claims */
7985 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7987 if(canAdjudicate && appData.materialDraws) {
7988 /* but only adjudicate them if adjudication enabled */
7989 if(engineOpponent) {
7990 SendToProgram("force\n", engineOpponent); // suppress reply
7991 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7993 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7998 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7999 if(gameInfo.variant == VariantXiangqi ?
8000 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8002 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8003 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8004 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8005 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8007 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8008 { /* if the first 3 moves do not show a tactical win, declare draw */
8009 if(engineOpponent) {
8010 SendToProgram("force\n", engineOpponent); // suppress reply
8011 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8013 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8016 } else moveCount = 6;
8019 // Repetition draws and 50-move rule can be applied independently of legality testing
8021 /* Check for rep-draws */
8023 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8024 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8025 for(k = forwardMostMove-2;
8026 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8027 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8028 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8031 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8032 /* compare castling rights */
8033 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8034 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8035 rights++; /* King lost rights, while rook still had them */
8036 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8037 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8038 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8039 rights++; /* but at least one rook lost them */
8041 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8042 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8044 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8045 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8046 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8049 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8050 && appData.drawRepeats > 1) {
8051 /* adjudicate after user-specified nr of repeats */
8052 int result = GameIsDrawn;
8053 char *details = "XBoard adjudication: repetition draw";
8054 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8055 // [HGM] xiangqi: check for forbidden perpetuals
8056 int m, ourPerpetual = 1, hisPerpetual = 1;
8057 for(m=forwardMostMove; m>k; m-=2) {
8058 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8059 ourPerpetual = 0; // the current mover did not always check
8060 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8061 hisPerpetual = 0; // the opponent did not always check
8063 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8064 ourPerpetual, hisPerpetual);
8065 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8066 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8067 details = "Xboard adjudication: perpetual checking";
8069 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8070 break; // (or we would have caught him before). Abort repetition-checking loop.
8072 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8073 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8075 details = "Xboard adjudication: repetition";
8077 } else // it must be XQ
8078 // Now check for perpetual chases
8079 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8080 hisPerpetual = PerpetualChase(k, forwardMostMove);
8081 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8082 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8083 static char resdet[MSG_SIZ];
8084 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8086 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8088 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8089 break; // Abort repetition-checking loop.
8091 // if neither of us is checking or chasing all the time, or both are, it is draw
8093 if(engineOpponent) {
8094 SendToProgram("force\n", engineOpponent); // suppress reply
8095 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8097 GameEnds( result, details, GE_XBOARD );
8100 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8101 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8105 /* Now we test for 50-move draws. Determine ply count */
8106 count = forwardMostMove;
8107 /* look for last irreversble move */
8108 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8110 /* if we hit starting position, add initial plies */
8111 if( count == backwardMostMove )
8112 count -= initialRulePlies;
8113 count = forwardMostMove - count;
8114 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8115 // adjust reversible move counter for checks in Xiangqi
8116 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8117 if(i < backwardMostMove) i = backwardMostMove;
8118 while(i <= forwardMostMove) {
8119 lastCheck = inCheck; // check evasion does not count
8120 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8121 if(inCheck || lastCheck) count--; // check does not count
8126 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8127 /* this is used to judge if draw claims are legal */
8128 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8129 if(engineOpponent) {
8130 SendToProgram("force\n", engineOpponent); // suppress reply
8131 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8133 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8137 /* if draw offer is pending, treat it as a draw claim
8138 * when draw condition present, to allow engines a way to
8139 * claim draws before making their move to avoid a race
8140 * condition occurring after their move
8142 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8144 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8145 p = "Draw claim: 50-move rule";
8146 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8147 p = "Draw claim: 3-fold repetition";
8148 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8149 p = "Draw claim: insufficient mating material";
8150 if( p != NULL && canAdjudicate) {
8151 if(engineOpponent) {
8152 SendToProgram("force\n", engineOpponent); // suppress reply
8153 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8155 GameEnds( GameIsDrawn, p, GE_XBOARD );
8160 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8161 if(engineOpponent) {
8162 SendToProgram("force\n", engineOpponent); // suppress reply
8163 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8165 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8172 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8173 { // [HGM] book: this routine intercepts moves to simulate book replies
8174 char *bookHit = NULL;
8176 //first determine if the incoming move brings opponent into his book
8177 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8178 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8179 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8180 if(bookHit != NULL && !cps->bookSuspend) {
8181 // make sure opponent is not going to reply after receiving move to book position
8182 SendToProgram("force\n", cps);
8183 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8185 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8186 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8187 // now arrange restart after book miss
8189 // after a book hit we never send 'go', and the code after the call to this routine
8190 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8191 char buf[MSG_SIZ], *move = bookHit;
8193 int fromX, fromY, toX, toY;
8197 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8198 &fromX, &fromY, &toX, &toY, &promoChar)) {
8199 (void) CoordsToAlgebraic(boards[forwardMostMove],
8200 PosFlags(forwardMostMove),
8201 fromY, fromX, toY, toX, promoChar, move);
8203 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8207 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8208 SendToProgram(buf, cps);
8209 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8210 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8211 SendToProgram("go\n", cps);
8212 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8213 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8214 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8215 SendToProgram("go\n", cps);
8216 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8218 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8222 LoadError (char *errmess, ChessProgramState *cps)
8223 { // unloads engine and switches back to -ncp mode if it was first
8224 if(cps->initDone) return FALSE;
8225 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8226 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8229 appData.noChessProgram = TRUE;
8230 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8231 gameMode = BeginningOfGame; ModeHighlight();
8234 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8235 DisplayMessage("", ""); // erase waiting message
8236 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8241 ChessProgramState *savedState;
8243 DeferredBookMove (void)
8245 if(savedState->lastPing != savedState->lastPong)
8246 ScheduleDelayedEvent(DeferredBookMove, 10);
8248 HandleMachineMove(savedMessage, savedState);
8251 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8252 static ChessProgramState *stalledEngine;
8253 static char stashedInputMove[MSG_SIZ];
8256 HandleMachineMove (char *message, ChessProgramState *cps)
8258 static char firstLeg[20];
8259 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8260 char realname[MSG_SIZ];
8261 int fromX, fromY, toX, toY;
8265 int machineWhite, oldError;
8268 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8269 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8270 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8271 DisplayError(_("Invalid pairing from pairing engine"), 0);
8274 pairingReceived = 1;
8276 return; // Skim the pairing messages here.
8279 oldError = cps->userError; cps->userError = 0;
8281 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8283 * Kludge to ignore BEL characters
8285 while (*message == '\007') message++;
8288 * [HGM] engine debug message: ignore lines starting with '#' character
8290 if(cps->debug && *message == '#') return;
8293 * Look for book output
8295 if (cps == &first && bookRequested) {
8296 if (message[0] == '\t' || message[0] == ' ') {
8297 /* Part of the book output is here; append it */
8298 strcat(bookOutput, message);
8299 strcat(bookOutput, " \n");
8301 } else if (bookOutput[0] != NULLCHAR) {
8302 /* All of book output has arrived; display it */
8303 char *p = bookOutput;
8304 while (*p != NULLCHAR) {
8305 if (*p == '\t') *p = ' ';
8308 DisplayInformation(bookOutput);
8309 bookRequested = FALSE;
8310 /* Fall through to parse the current output */
8315 * Look for machine move.
8317 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8318 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8320 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8321 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8322 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8323 stalledEngine = cps;
8324 if(appData.ponderNextMove) { // bring opponent out of ponder
8325 if(gameMode == TwoMachinesPlay) {
8326 if(cps->other->pause)
8327 PauseEngine(cps->other);
8329 SendToProgram("easy\n", cps->other);
8336 /* This method is only useful on engines that support ping */
8337 if (cps->lastPing != cps->lastPong) {
8338 if (gameMode == BeginningOfGame) {
8339 /* Extra move from before last new; ignore */
8340 if (appData.debugMode) {
8341 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8344 if (appData.debugMode) {
8345 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8346 cps->which, gameMode);
8349 SendToProgram("undo\n", cps);
8355 case BeginningOfGame:
8356 /* Extra move from before last reset; ignore */
8357 if (appData.debugMode) {
8358 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8365 /* Extra move after we tried to stop. The mode test is
8366 not a reliable way of detecting this problem, but it's
8367 the best we can do on engines that don't support ping.
8369 if (appData.debugMode) {
8370 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8371 cps->which, gameMode);
8373 SendToProgram("undo\n", cps);
8376 case MachinePlaysWhite:
8377 case IcsPlayingWhite:
8378 machineWhite = TRUE;
8381 case MachinePlaysBlack:
8382 case IcsPlayingBlack:
8383 machineWhite = FALSE;
8386 case TwoMachinesPlay:
8387 machineWhite = (cps->twoMachinesColor[0] == 'w');
8390 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8391 if (appData.debugMode) {
8393 "Ignoring move out of turn by %s, gameMode %d"
8394 ", forwardMost %d\n",
8395 cps->which, gameMode, forwardMostMove);
8400 if(cps->alphaRank) AlphaRank(machineMove, 4);
8402 // [HGM] lion: (some very limited) support for Alien protocol
8404 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8405 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8407 } else if(firstLeg[0]) { // there was a previous leg;
8408 // only support case where same piece makes two step (and don't even test that!)
8409 char buf[20], *p = machineMove+1, *q = buf+1, f;
8410 safeStrCpy(buf, machineMove, 20);
8411 while(isdigit(*q)) q++; // find start of to-square
8412 safeStrCpy(machineMove, firstLeg, 20);
8413 while(isdigit(*p)) p++;
8414 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8415 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8416 firstLeg[0] = NULLCHAR;
8419 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8420 &fromX, &fromY, &toX, &toY, &promoChar)) {
8421 /* Machine move could not be parsed; ignore it. */
8422 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8423 machineMove, _(cps->which));
8424 DisplayMoveError(buf1);
8425 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8426 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8427 if (gameMode == TwoMachinesPlay) {
8428 GameEnds(machineWhite ? BlackWins : WhiteWins,
8434 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8435 /* So we have to redo legality test with true e.p. status here, */
8436 /* to make sure an illegal e.p. capture does not slip through, */
8437 /* to cause a forfeit on a justified illegal-move complaint */
8438 /* of the opponent. */
8439 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8441 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8442 fromY, fromX, toY, toX, promoChar);
8443 if(moveType == IllegalMove) {
8444 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8445 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8446 GameEnds(machineWhite ? BlackWins : WhiteWins,
8449 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8450 /* [HGM] Kludge to handle engines that send FRC-style castling
8451 when they shouldn't (like TSCP-Gothic) */
8453 case WhiteASideCastleFR:
8454 case BlackASideCastleFR:
8456 currentMoveString[2]++;
8458 case WhiteHSideCastleFR:
8459 case BlackHSideCastleFR:
8461 currentMoveString[2]--;
8463 default: ; // nothing to do, but suppresses warning of pedantic compilers
8466 hintRequested = FALSE;
8467 lastHint[0] = NULLCHAR;
8468 bookRequested = FALSE;
8469 /* Program may be pondering now */
8470 cps->maybeThinking = TRUE;
8471 if (cps->sendTime == 2) cps->sendTime = 1;
8472 if (cps->offeredDraw) cps->offeredDraw--;
8474 /* [AS] Save move info*/
8475 pvInfoList[ forwardMostMove ].score = programStats.score;
8476 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8477 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8479 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8481 /* Test suites abort the 'game' after one move */
8482 if(*appData.finger) {
8484 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8485 if(!f) f = fopen(appData.finger, "w");
8486 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8487 else { DisplayFatalError("Bad output file", errno, 0); return; }
8489 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8492 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8493 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8496 while( count < adjudicateLossPlies ) {
8497 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8500 score = -score; /* Flip score for winning side */
8503 if( score > adjudicateLossThreshold ) {
8510 if( count >= adjudicateLossPlies ) {
8511 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8513 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8514 "Xboard adjudication",
8521 if(Adjudicate(cps)) {
8522 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8523 return; // [HGM] adjudicate: for all automatic game ends
8527 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8529 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8530 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8532 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8534 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8536 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8537 char buf[3*MSG_SIZ];
8539 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8540 programStats.score / 100.,
8542 programStats.time / 100.,
8543 (unsigned int)programStats.nodes,
8544 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8545 programStats.movelist);
8547 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8552 /* [AS] Clear stats for next move */
8553 ClearProgramStats();
8554 thinkOutput[0] = NULLCHAR;
8555 hiddenThinkOutputState = 0;
8558 if (gameMode == TwoMachinesPlay) {
8559 /* [HGM] relaying draw offers moved to after reception of move */
8560 /* and interpreting offer as claim if it brings draw condition */
8561 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8562 SendToProgram("draw\n", cps->other);
8564 if (cps->other->sendTime) {
8565 SendTimeRemaining(cps->other,
8566 cps->other->twoMachinesColor[0] == 'w');
8568 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8569 if (firstMove && !bookHit) {
8571 if (cps->other->useColors) {
8572 SendToProgram(cps->other->twoMachinesColor, cps->other);
8574 SendToProgram("go\n", cps->other);
8576 cps->other->maybeThinking = TRUE;
8579 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8581 if (!pausing && appData.ringBellAfterMoves) {
8586 * Reenable menu items that were disabled while
8587 * machine was thinking
8589 if (gameMode != TwoMachinesPlay)
8590 SetUserThinkingEnables();
8592 // [HGM] book: after book hit opponent has received move and is now in force mode
8593 // force the book reply into it, and then fake that it outputted this move by jumping
8594 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8596 static char bookMove[MSG_SIZ]; // a bit generous?
8598 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8599 strcat(bookMove, bookHit);
8602 programStats.nodes = programStats.depth = programStats.time =
8603 programStats.score = programStats.got_only_move = 0;
8604 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8606 if(cps->lastPing != cps->lastPong) {
8607 savedMessage = message; // args for deferred call
8609 ScheduleDelayedEvent(DeferredBookMove, 10);
8618 /* Set special modes for chess engines. Later something general
8619 * could be added here; for now there is just one kludge feature,
8620 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8621 * when "xboard" is given as an interactive command.
8623 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8624 cps->useSigint = FALSE;
8625 cps->useSigterm = FALSE;
8627 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8628 ParseFeatures(message+8, cps);
8629 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8632 if (!strncmp(message, "setup ", 6) &&
8633 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown || NonStandardBoardSize())
8634 ) { // [HGM] allow first engine to define opening position
8635 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
8636 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8638 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8639 if(startedFromSetupPosition) return;
8640 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
8642 while(message[s] && message[s++] != ' ');
8643 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
8644 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
8645 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
8646 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
8647 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
8648 if(*buf) SetCharTable(pieceToChar, buf); // do again, for it was spoiled by InitPosition
8651 ParseFEN(boards[0], &dummy, message+s, FALSE);
8652 DrawPosition(TRUE, boards[0]);
8653 startedFromSetupPosition = TRUE;
8656 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8657 * want this, I was asked to put it in, and obliged.
8659 if (!strncmp(message, "setboard ", 9)) {
8660 Board initial_position;
8662 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8664 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
8665 DisplayError(_("Bad FEN received from engine"), 0);
8669 CopyBoard(boards[0], initial_position);
8670 initialRulePlies = FENrulePlies;
8671 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8672 else gameMode = MachinePlaysBlack;
8673 DrawPosition(FALSE, boards[currentMove]);
8679 * Look for communication commands
8681 if (!strncmp(message, "telluser ", 9)) {
8682 if(message[9] == '\\' && message[10] == '\\')
8683 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8685 DisplayNote(message + 9);
8688 if (!strncmp(message, "tellusererror ", 14)) {
8690 if(message[14] == '\\' && message[15] == '\\')
8691 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8693 DisplayError(message + 14, 0);
8696 if (!strncmp(message, "tellopponent ", 13)) {
8697 if (appData.icsActive) {
8699 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8703 DisplayNote(message + 13);
8707 if (!strncmp(message, "tellothers ", 11)) {
8708 if (appData.icsActive) {
8710 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8713 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8716 if (!strncmp(message, "tellall ", 8)) {
8717 if (appData.icsActive) {
8719 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8723 DisplayNote(message + 8);
8727 if (strncmp(message, "warning", 7) == 0) {
8728 /* Undocumented feature, use tellusererror in new code */
8729 DisplayError(message, 0);
8732 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8733 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8734 strcat(realname, " query");
8735 AskQuestion(realname, buf2, buf1, cps->pr);
8738 /* Commands from the engine directly to ICS. We don't allow these to be
8739 * sent until we are logged on. Crafty kibitzes have been known to
8740 * interfere with the login process.
8743 if (!strncmp(message, "tellics ", 8)) {
8744 SendToICS(message + 8);
8748 if (!strncmp(message, "tellicsnoalias ", 15)) {
8749 SendToICS(ics_prefix);
8750 SendToICS(message + 15);
8754 /* The following are for backward compatibility only */
8755 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8756 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8757 SendToICS(ics_prefix);
8763 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8766 if(!strncmp(message, "highlight ", 10)) {
8767 if(appData.testLegality && appData.markers) return;
8768 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
8771 if(!strncmp(message, "click ", 6)) {
8772 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
8773 if(appData.testLegality || !appData.oneClick) return;
8774 sscanf(message+6, "%c%d%c", &f, &y, &c);
8775 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
8776 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
8777 x = x*squareSize + (x+1)*lineGap + squareSize/2;
8778 y = y*squareSize + (y+1)*lineGap + squareSize/2;
8779 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
8780 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
8781 LeftClick(Release, lastLeftX, lastLeftY);
8782 controlKey = (c == ',');
8783 LeftClick(Press, x, y);
8784 LeftClick(Release, x, y);
8785 first.highlight = f;
8789 * If the move is illegal, cancel it and redraw the board.
8790 * Also deal with other error cases. Matching is rather loose
8791 * here to accommodate engines written before the spec.
8793 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8794 strncmp(message, "Error", 5) == 0) {
8795 if (StrStr(message, "name") ||
8796 StrStr(message, "rating") || StrStr(message, "?") ||
8797 StrStr(message, "result") || StrStr(message, "board") ||
8798 StrStr(message, "bk") || StrStr(message, "computer") ||
8799 StrStr(message, "variant") || StrStr(message, "hint") ||
8800 StrStr(message, "random") || StrStr(message, "depth") ||
8801 StrStr(message, "accepted")) {
8804 if (StrStr(message, "protover")) {
8805 /* Program is responding to input, so it's apparently done
8806 initializing, and this error message indicates it is
8807 protocol version 1. So we don't need to wait any longer
8808 for it to initialize and send feature commands. */
8809 FeatureDone(cps, 1);
8810 cps->protocolVersion = 1;
8813 cps->maybeThinking = FALSE;
8815 if (StrStr(message, "draw")) {
8816 /* Program doesn't have "draw" command */
8817 cps->sendDrawOffers = 0;
8820 if (cps->sendTime != 1 &&
8821 (StrStr(message, "time") || StrStr(message, "otim"))) {
8822 /* Program apparently doesn't have "time" or "otim" command */
8826 if (StrStr(message, "analyze")) {
8827 cps->analysisSupport = FALSE;
8828 cps->analyzing = FALSE;
8829 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8830 EditGameEvent(); // [HGM] try to preserve loaded game
8831 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8832 DisplayError(buf2, 0);
8835 if (StrStr(message, "(no matching move)st")) {
8836 /* Special kludge for GNU Chess 4 only */
8837 cps->stKludge = TRUE;
8838 SendTimeControl(cps, movesPerSession, timeControl,
8839 timeIncrement, appData.searchDepth,
8843 if (StrStr(message, "(no matching move)sd")) {
8844 /* Special kludge for GNU Chess 4 only */
8845 cps->sdKludge = TRUE;
8846 SendTimeControl(cps, movesPerSession, timeControl,
8847 timeIncrement, appData.searchDepth,
8851 if (!StrStr(message, "llegal")) {
8854 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8855 gameMode == IcsIdle) return;
8856 if (forwardMostMove <= backwardMostMove) return;
8857 if (pausing) PauseEvent();
8858 if(appData.forceIllegal) {
8859 // [HGM] illegal: machine refused move; force position after move into it
8860 SendToProgram("force\n", cps);
8861 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8862 // we have a real problem now, as SendBoard will use the a2a3 kludge
8863 // when black is to move, while there might be nothing on a2 or black
8864 // might already have the move. So send the board as if white has the move.
8865 // But first we must change the stm of the engine, as it refused the last move
8866 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8867 if(WhiteOnMove(forwardMostMove)) {
8868 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8869 SendBoard(cps, forwardMostMove); // kludgeless board
8871 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8872 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8873 SendBoard(cps, forwardMostMove+1); // kludgeless board
8875 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8876 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8877 gameMode == TwoMachinesPlay)
8878 SendToProgram("go\n", cps);
8881 if (gameMode == PlayFromGameFile) {
8882 /* Stop reading this game file */
8883 gameMode = EditGame;
8886 /* [HGM] illegal-move claim should forfeit game when Xboard */
8887 /* only passes fully legal moves */
8888 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8889 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8890 "False illegal-move claim", GE_XBOARD );
8891 return; // do not take back move we tested as valid
8893 currentMove = forwardMostMove-1;
8894 DisplayMove(currentMove-1); /* before DisplayMoveError */
8895 SwitchClocks(forwardMostMove-1); // [HGM] race
8896 DisplayBothClocks();
8897 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8898 parseList[currentMove], _(cps->which));
8899 DisplayMoveError(buf1);
8900 DrawPosition(FALSE, boards[currentMove]);
8902 SetUserThinkingEnables();
8905 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8906 /* Program has a broken "time" command that
8907 outputs a string not ending in newline.
8913 * If chess program startup fails, exit with an error message.
8914 * Attempts to recover here are futile. [HGM] Well, we try anyway
8916 if ((StrStr(message, "unknown host") != NULL)
8917 || (StrStr(message, "No remote directory") != NULL)
8918 || (StrStr(message, "not found") != NULL)
8919 || (StrStr(message, "No such file") != NULL)
8920 || (StrStr(message, "can't alloc") != NULL)
8921 || (StrStr(message, "Permission denied") != NULL)) {
8923 cps->maybeThinking = FALSE;
8924 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8925 _(cps->which), cps->program, cps->host, message);
8926 RemoveInputSource(cps->isr);
8927 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8928 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8929 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8935 * Look for hint output
8937 if (sscanf(message, "Hint: %s", buf1) == 1) {
8938 if (cps == &first && hintRequested) {
8939 hintRequested = FALSE;
8940 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8941 &fromX, &fromY, &toX, &toY, &promoChar)) {
8942 (void) CoordsToAlgebraic(boards[forwardMostMove],
8943 PosFlags(forwardMostMove),
8944 fromY, fromX, toY, toX, promoChar, buf1);
8945 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8946 DisplayInformation(buf2);
8948 /* Hint move could not be parsed!? */
8949 snprintf(buf2, sizeof(buf2),
8950 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8951 buf1, _(cps->which));
8952 DisplayError(buf2, 0);
8955 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8961 * Ignore other messages if game is not in progress
8963 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8964 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8967 * look for win, lose, draw, or draw offer
8969 if (strncmp(message, "1-0", 3) == 0) {
8970 char *p, *q, *r = "";
8971 p = strchr(message, '{');
8979 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8981 } else if (strncmp(message, "0-1", 3) == 0) {
8982 char *p, *q, *r = "";
8983 p = strchr(message, '{');
8991 /* Kludge for Arasan 4.1 bug */
8992 if (strcmp(r, "Black resigns") == 0) {
8993 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8996 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8998 } else if (strncmp(message, "1/2", 3) == 0) {
8999 char *p, *q, *r = "";
9000 p = strchr(message, '{');
9009 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9012 } else if (strncmp(message, "White resign", 12) == 0) {
9013 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9015 } else if (strncmp(message, "Black resign", 12) == 0) {
9016 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9018 } else if (strncmp(message, "White matches", 13) == 0 ||
9019 strncmp(message, "Black matches", 13) == 0 ) {
9020 /* [HGM] ignore GNUShogi noises */
9022 } else if (strncmp(message, "White", 5) == 0 &&
9023 message[5] != '(' &&
9024 StrStr(message, "Black") == NULL) {
9025 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9027 } else if (strncmp(message, "Black", 5) == 0 &&
9028 message[5] != '(') {
9029 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9031 } else if (strcmp(message, "resign") == 0 ||
9032 strcmp(message, "computer resigns") == 0) {
9034 case MachinePlaysBlack:
9035 case IcsPlayingBlack:
9036 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9038 case MachinePlaysWhite:
9039 case IcsPlayingWhite:
9040 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9042 case TwoMachinesPlay:
9043 if (cps->twoMachinesColor[0] == 'w')
9044 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9046 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9053 } else if (strncmp(message, "opponent mates", 14) == 0) {
9055 case MachinePlaysBlack:
9056 case IcsPlayingBlack:
9057 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9059 case MachinePlaysWhite:
9060 case IcsPlayingWhite:
9061 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9063 case TwoMachinesPlay:
9064 if (cps->twoMachinesColor[0] == 'w')
9065 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9067 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9074 } else if (strncmp(message, "computer mates", 14) == 0) {
9076 case MachinePlaysBlack:
9077 case IcsPlayingBlack:
9078 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9080 case MachinePlaysWhite:
9081 case IcsPlayingWhite:
9082 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9084 case TwoMachinesPlay:
9085 if (cps->twoMachinesColor[0] == 'w')
9086 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9088 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9095 } else if (strncmp(message, "checkmate", 9) == 0) {
9096 if (WhiteOnMove(forwardMostMove)) {
9097 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9099 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9102 } else if (strstr(message, "Draw") != NULL ||
9103 strstr(message, "game is a draw") != NULL) {
9104 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9106 } else if (strstr(message, "offer") != NULL &&
9107 strstr(message, "draw") != NULL) {
9109 if (appData.zippyPlay && first.initDone) {
9110 /* Relay offer to ICS */
9111 SendToICS(ics_prefix);
9112 SendToICS("draw\n");
9115 cps->offeredDraw = 2; /* valid until this engine moves twice */
9116 if (gameMode == TwoMachinesPlay) {
9117 if (cps->other->offeredDraw) {
9118 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9119 /* [HGM] in two-machine mode we delay relaying draw offer */
9120 /* until after we also have move, to see if it is really claim */
9122 } else if (gameMode == MachinePlaysWhite ||
9123 gameMode == MachinePlaysBlack) {
9124 if (userOfferedDraw) {
9125 DisplayInformation(_("Machine accepts your draw offer"));
9126 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9128 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9135 * Look for thinking output
9137 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9138 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9140 int plylev, mvleft, mvtot, curscore, time;
9141 char mvname[MOVE_LEN];
9145 int prefixHint = FALSE;
9146 mvname[0] = NULLCHAR;
9149 case MachinePlaysBlack:
9150 case IcsPlayingBlack:
9151 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9153 case MachinePlaysWhite:
9154 case IcsPlayingWhite:
9155 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9160 case IcsObserving: /* [DM] icsEngineAnalyze */
9161 if (!appData.icsEngineAnalyze) ignore = TRUE;
9163 case TwoMachinesPlay:
9164 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9174 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9176 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9177 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9179 if (plyext != ' ' && plyext != '\t') {
9183 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9184 if( cps->scoreIsAbsolute &&
9185 ( gameMode == MachinePlaysBlack ||
9186 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9187 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9188 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9189 !WhiteOnMove(currentMove)
9192 curscore = -curscore;
9195 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9197 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9200 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9201 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9202 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9203 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9204 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9205 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9209 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9210 DisplayError(_("failed writing PV"), 0);
9213 tempStats.depth = plylev;
9214 tempStats.nodes = nodes;
9215 tempStats.time = time;
9216 tempStats.score = curscore;
9217 tempStats.got_only_move = 0;
9219 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9222 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9223 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9224 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9225 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9226 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9227 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9228 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9229 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9232 /* Buffer overflow protection */
9233 if (pv[0] != NULLCHAR) {
9234 if (strlen(pv) >= sizeof(tempStats.movelist)
9235 && appData.debugMode) {
9237 "PV is too long; using the first %u bytes.\n",
9238 (unsigned) sizeof(tempStats.movelist) - 1);
9241 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9243 sprintf(tempStats.movelist, " no PV\n");
9246 if (tempStats.seen_stat) {
9247 tempStats.ok_to_send = 1;
9250 if (strchr(tempStats.movelist, '(') != NULL) {
9251 tempStats.line_is_book = 1;
9252 tempStats.nr_moves = 0;
9253 tempStats.moves_left = 0;
9255 tempStats.line_is_book = 0;
9258 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9259 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9261 SendProgramStatsToFrontend( cps, &tempStats );
9264 [AS] Protect the thinkOutput buffer from overflow... this
9265 is only useful if buf1 hasn't overflowed first!
9267 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9269 (gameMode == TwoMachinesPlay ?
9270 ToUpper(cps->twoMachinesColor[0]) : ' '),
9271 ((double) curscore) / 100.0,
9272 prefixHint ? lastHint : "",
9273 prefixHint ? " " : "" );
9275 if( buf1[0] != NULLCHAR ) {
9276 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9278 if( strlen(pv) > max_len ) {
9279 if( appData.debugMode) {
9280 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9282 pv[max_len+1] = '\0';
9285 strcat( thinkOutput, pv);
9288 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9289 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9290 DisplayMove(currentMove - 1);
9294 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9295 /* crafty (9.25+) says "(only move) <move>"
9296 * if there is only 1 legal move
9298 sscanf(p, "(only move) %s", buf1);
9299 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9300 sprintf(programStats.movelist, "%s (only move)", buf1);
9301 programStats.depth = 1;
9302 programStats.nr_moves = 1;
9303 programStats.moves_left = 1;
9304 programStats.nodes = 1;
9305 programStats.time = 1;
9306 programStats.got_only_move = 1;
9308 /* Not really, but we also use this member to
9309 mean "line isn't going to change" (Crafty
9310 isn't searching, so stats won't change) */
9311 programStats.line_is_book = 1;
9313 SendProgramStatsToFrontend( cps, &programStats );
9315 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9316 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9317 DisplayMove(currentMove - 1);
9320 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9321 &time, &nodes, &plylev, &mvleft,
9322 &mvtot, mvname) >= 5) {
9323 /* The stat01: line is from Crafty (9.29+) in response
9324 to the "." command */
9325 programStats.seen_stat = 1;
9326 cps->maybeThinking = TRUE;
9328 if (programStats.got_only_move || !appData.periodicUpdates)
9331 programStats.depth = plylev;
9332 programStats.time = time;
9333 programStats.nodes = nodes;
9334 programStats.moves_left = mvleft;
9335 programStats.nr_moves = mvtot;
9336 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9337 programStats.ok_to_send = 1;
9338 programStats.movelist[0] = '\0';
9340 SendProgramStatsToFrontend( cps, &programStats );
9344 } else if (strncmp(message,"++",2) == 0) {
9345 /* Crafty 9.29+ outputs this */
9346 programStats.got_fail = 2;
9349 } else if (strncmp(message,"--",2) == 0) {
9350 /* Crafty 9.29+ outputs this */
9351 programStats.got_fail = 1;
9354 } else if (thinkOutput[0] != NULLCHAR &&
9355 strncmp(message, " ", 4) == 0) {
9356 unsigned message_len;
9359 while (*p && *p == ' ') p++;
9361 message_len = strlen( p );
9363 /* [AS] Avoid buffer overflow */
9364 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9365 strcat(thinkOutput, " ");
9366 strcat(thinkOutput, p);
9369 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9370 strcat(programStats.movelist, " ");
9371 strcat(programStats.movelist, p);
9374 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9375 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9376 DisplayMove(currentMove - 1);
9384 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9385 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9387 ChessProgramStats cpstats;
9389 if (plyext != ' ' && plyext != '\t') {
9393 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9394 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9395 curscore = -curscore;
9398 cpstats.depth = plylev;
9399 cpstats.nodes = nodes;
9400 cpstats.time = time;
9401 cpstats.score = curscore;
9402 cpstats.got_only_move = 0;
9403 cpstats.movelist[0] = '\0';
9405 if (buf1[0] != NULLCHAR) {
9406 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9409 cpstats.ok_to_send = 0;
9410 cpstats.line_is_book = 0;
9411 cpstats.nr_moves = 0;
9412 cpstats.moves_left = 0;
9414 SendProgramStatsToFrontend( cps, &cpstats );
9421 /* Parse a game score from the character string "game", and
9422 record it as the history of the current game. The game
9423 score is NOT assumed to start from the standard position.
9424 The display is not updated in any way.
9427 ParseGameHistory (char *game)
9430 int fromX, fromY, toX, toY, boardIndex;
9435 if (appData.debugMode)
9436 fprintf(debugFP, "Parsing game history: %s\n", game);
9438 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9439 gameInfo.site = StrSave(appData.icsHost);
9440 gameInfo.date = PGNDate();
9441 gameInfo.round = StrSave("-");
9443 /* Parse out names of players */
9444 while (*game == ' ') game++;
9446 while (*game != ' ') *p++ = *game++;
9448 gameInfo.white = StrSave(buf);
9449 while (*game == ' ') game++;
9451 while (*game != ' ' && *game != '\n') *p++ = *game++;
9453 gameInfo.black = StrSave(buf);
9456 boardIndex = blackPlaysFirst ? 1 : 0;
9459 yyboardindex = boardIndex;
9460 moveType = (ChessMove) Myylex();
9462 case IllegalMove: /* maybe suicide chess, etc. */
9463 if (appData.debugMode) {
9464 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9465 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9466 setbuf(debugFP, NULL);
9468 case WhitePromotion:
9469 case BlackPromotion:
9470 case WhiteNonPromotion:
9471 case BlackNonPromotion:
9473 case WhiteCapturesEnPassant:
9474 case BlackCapturesEnPassant:
9475 case WhiteKingSideCastle:
9476 case WhiteQueenSideCastle:
9477 case BlackKingSideCastle:
9478 case BlackQueenSideCastle:
9479 case WhiteKingSideCastleWild:
9480 case WhiteQueenSideCastleWild:
9481 case BlackKingSideCastleWild:
9482 case BlackQueenSideCastleWild:
9484 case WhiteHSideCastleFR:
9485 case WhiteASideCastleFR:
9486 case BlackHSideCastleFR:
9487 case BlackASideCastleFR:
9489 fromX = currentMoveString[0] - AAA;
9490 fromY = currentMoveString[1] - ONE;
9491 toX = currentMoveString[2] - AAA;
9492 toY = currentMoveString[3] - ONE;
9493 promoChar = currentMoveString[4];
9497 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9498 fromX = moveType == WhiteDrop ?
9499 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9500 (int) CharToPiece(ToLower(currentMoveString[0]));
9502 toX = currentMoveString[2] - AAA;
9503 toY = currentMoveString[3] - ONE;
9504 promoChar = NULLCHAR;
9508 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9509 if (appData.debugMode) {
9510 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9511 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9512 setbuf(debugFP, NULL);
9514 DisplayError(buf, 0);
9516 case ImpossibleMove:
9518 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9519 if (appData.debugMode) {
9520 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9521 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9522 setbuf(debugFP, NULL);
9524 DisplayError(buf, 0);
9527 if (boardIndex < backwardMostMove) {
9528 /* Oops, gap. How did that happen? */
9529 DisplayError(_("Gap in move list"), 0);
9532 backwardMostMove = blackPlaysFirst ? 1 : 0;
9533 if (boardIndex > forwardMostMove) {
9534 forwardMostMove = boardIndex;
9538 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9539 strcat(parseList[boardIndex-1], " ");
9540 strcat(parseList[boardIndex-1], yy_text);
9552 case GameUnfinished:
9553 if (gameMode == IcsExamining) {
9554 if (boardIndex < backwardMostMove) {
9555 /* Oops, gap. How did that happen? */
9558 backwardMostMove = blackPlaysFirst ? 1 : 0;
9561 gameInfo.result = moveType;
9562 p = strchr(yy_text, '{');
9563 if (p == NULL) p = strchr(yy_text, '(');
9566 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9568 q = strchr(p, *p == '{' ? '}' : ')');
9569 if (q != NULL) *q = NULLCHAR;
9572 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9573 gameInfo.resultDetails = StrSave(p);
9576 if (boardIndex >= forwardMostMove &&
9577 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9578 backwardMostMove = blackPlaysFirst ? 1 : 0;
9581 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9582 fromY, fromX, toY, toX, promoChar,
9583 parseList[boardIndex]);
9584 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9585 /* currentMoveString is set as a side-effect of yylex */
9586 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9587 strcat(moveList[boardIndex], "\n");
9589 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9590 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9596 if(gameInfo.variant != VariantShogi)
9597 strcat(parseList[boardIndex - 1], "+");
9601 strcat(parseList[boardIndex - 1], "#");
9608 /* Apply a move to the given board */
9610 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9612 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9613 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9615 /* [HGM] compute & store e.p. status and castling rights for new position */
9616 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9618 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9619 oldEP = (signed char)board[EP_STATUS];
9620 board[EP_STATUS] = EP_NONE;
9622 if (fromY == DROP_RANK) {
9624 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9625 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9628 piece = board[toY][toX] = (ChessSquare) fromX;
9632 if( killX >= 0 && killY >= 0 ) // [HGM] lion: Lion trampled over something
9633 board[killY][killX] = EmptySquare,
9634 board[EP_STATUS] = EP_CAPTURE;
9636 if( board[toY][toX] != EmptySquare )
9637 board[EP_STATUS] = EP_CAPTURE;
9639 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9640 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9641 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9643 if( board[fromY][fromX] == WhitePawn ) {
9644 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9645 board[EP_STATUS] = EP_PAWN_MOVE;
9647 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9648 gameInfo.variant != VariantBerolina || toX < fromX)
9649 board[EP_STATUS] = toX | berolina;
9650 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9651 gameInfo.variant != VariantBerolina || toX > fromX)
9652 board[EP_STATUS] = toX;
9655 if( board[fromY][fromX] == BlackPawn ) {
9656 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9657 board[EP_STATUS] = EP_PAWN_MOVE;
9658 if( toY-fromY== -2) {
9659 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9660 gameInfo.variant != VariantBerolina || toX < fromX)
9661 board[EP_STATUS] = toX | berolina;
9662 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9663 gameInfo.variant != VariantBerolina || toX > fromX)
9664 board[EP_STATUS] = toX;
9668 for(i=0; i<nrCastlingRights; i++) {
9669 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9670 board[CASTLING][i] == toX && castlingRank[i] == toY
9671 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9674 if(gameInfo.variant == VariantSChess) { // update virginity
9675 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9676 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9677 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9678 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9681 if (fromX == toX && fromY == toY) return;
9683 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9684 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9685 if(gameInfo.variant == VariantKnightmate)
9686 king += (int) WhiteUnicorn - (int) WhiteKing;
9688 /* Code added by Tord: */
9689 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9690 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9691 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9692 board[fromY][fromX] = EmptySquare;
9693 board[toY][toX] = EmptySquare;
9694 if((toX > fromX) != (piece == WhiteRook)) {
9695 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9697 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9699 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9700 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9701 board[fromY][fromX] = EmptySquare;
9702 board[toY][toX] = EmptySquare;
9703 if((toX > fromX) != (piece == BlackRook)) {
9704 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9706 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9708 /* End of code added by Tord */
9710 } else if (board[fromY][fromX] == king
9711 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9712 && toY == fromY && toX > fromX+1) {
9713 board[fromY][fromX] = EmptySquare;
9714 board[toY][toX] = king;
9715 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9716 board[fromY][BOARD_RGHT-1] = EmptySquare;
9717 } else if (board[fromY][fromX] == king
9718 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9719 && toY == fromY && toX < fromX-1) {
9720 board[fromY][fromX] = EmptySquare;
9721 board[toY][toX] = king;
9722 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9723 board[fromY][BOARD_LEFT] = EmptySquare;
9724 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9725 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9726 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9728 /* white pawn promotion */
9729 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9730 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9731 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9732 board[fromY][fromX] = EmptySquare;
9733 } else if ((fromY >= BOARD_HEIGHT>>1)
9734 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9736 && gameInfo.variant != VariantXiangqi
9737 && gameInfo.variant != VariantBerolina
9738 && (board[fromY][fromX] == WhitePawn)
9739 && (board[toY][toX] == EmptySquare)) {
9740 board[fromY][fromX] = EmptySquare;
9741 board[toY][toX] = WhitePawn;
9742 captured = board[toY - 1][toX];
9743 board[toY - 1][toX] = EmptySquare;
9744 } else if ((fromY == BOARD_HEIGHT-4)
9746 && gameInfo.variant == VariantBerolina
9747 && (board[fromY][fromX] == WhitePawn)
9748 && (board[toY][toX] == EmptySquare)) {
9749 board[fromY][fromX] = EmptySquare;
9750 board[toY][toX] = WhitePawn;
9751 if(oldEP & EP_BEROLIN_A) {
9752 captured = board[fromY][fromX-1];
9753 board[fromY][fromX-1] = EmptySquare;
9754 }else{ captured = board[fromY][fromX+1];
9755 board[fromY][fromX+1] = EmptySquare;
9757 } else if (board[fromY][fromX] == king
9758 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9759 && toY == fromY && toX > fromX+1) {
9760 board[fromY][fromX] = EmptySquare;
9761 board[toY][toX] = king;
9762 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9763 board[fromY][BOARD_RGHT-1] = EmptySquare;
9764 } else if (board[fromY][fromX] == king
9765 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9766 && toY == fromY && toX < fromX-1) {
9767 board[fromY][fromX] = EmptySquare;
9768 board[toY][toX] = king;
9769 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9770 board[fromY][BOARD_LEFT] = EmptySquare;
9771 } else if (fromY == 7 && fromX == 3
9772 && board[fromY][fromX] == BlackKing
9773 && toY == 7 && toX == 5) {
9774 board[fromY][fromX] = EmptySquare;
9775 board[toY][toX] = BlackKing;
9776 board[fromY][7] = EmptySquare;
9777 board[toY][4] = BlackRook;
9778 } else if (fromY == 7 && fromX == 3
9779 && board[fromY][fromX] == BlackKing
9780 && toY == 7 && toX == 1) {
9781 board[fromY][fromX] = EmptySquare;
9782 board[toY][toX] = BlackKing;
9783 board[fromY][0] = EmptySquare;
9784 board[toY][2] = BlackRook;
9785 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9786 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9787 && toY < promoRank && promoChar
9789 /* black pawn promotion */
9790 board[toY][toX] = CharToPiece(ToLower(promoChar));
9791 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9792 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9793 board[fromY][fromX] = EmptySquare;
9794 } else if ((fromY < BOARD_HEIGHT>>1)
9795 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9797 && gameInfo.variant != VariantXiangqi
9798 && gameInfo.variant != VariantBerolina
9799 && (board[fromY][fromX] == BlackPawn)
9800 && (board[toY][toX] == EmptySquare)) {
9801 board[fromY][fromX] = EmptySquare;
9802 board[toY][toX] = BlackPawn;
9803 captured = board[toY + 1][toX];
9804 board[toY + 1][toX] = EmptySquare;
9805 } else if ((fromY == 3)
9807 && gameInfo.variant == VariantBerolina
9808 && (board[fromY][fromX] == BlackPawn)
9809 && (board[toY][toX] == EmptySquare)) {
9810 board[fromY][fromX] = EmptySquare;
9811 board[toY][toX] = BlackPawn;
9812 if(oldEP & EP_BEROLIN_A) {
9813 captured = board[fromY][fromX-1];
9814 board[fromY][fromX-1] = EmptySquare;
9815 }else{ captured = board[fromY][fromX+1];
9816 board[fromY][fromX+1] = EmptySquare;
9819 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
9820 board[fromY][fromX] = EmptySquare;
9821 board[toY][toX] = piece;
9825 if (gameInfo.holdingsWidth != 0) {
9827 /* !!A lot more code needs to be written to support holdings */
9828 /* [HGM] OK, so I have written it. Holdings are stored in the */
9829 /* penultimate board files, so they are automaticlly stored */
9830 /* in the game history. */
9831 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9832 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9833 /* Delete from holdings, by decreasing count */
9834 /* and erasing image if necessary */
9835 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9836 if(p < (int) BlackPawn) { /* white drop */
9837 p -= (int)WhitePawn;
9838 p = PieceToNumber((ChessSquare)p);
9839 if(p >= gameInfo.holdingsSize) p = 0;
9840 if(--board[p][BOARD_WIDTH-2] <= 0)
9841 board[p][BOARD_WIDTH-1] = EmptySquare;
9842 if((int)board[p][BOARD_WIDTH-2] < 0)
9843 board[p][BOARD_WIDTH-2] = 0;
9844 } else { /* black drop */
9845 p -= (int)BlackPawn;
9846 p = PieceToNumber((ChessSquare)p);
9847 if(p >= gameInfo.holdingsSize) p = 0;
9848 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9849 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9850 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9851 board[BOARD_HEIGHT-1-p][1] = 0;
9854 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9855 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9856 /* [HGM] holdings: Add to holdings, if holdings exist */
9857 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9858 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9859 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9862 if (p >= (int) BlackPawn) {
9863 p -= (int)BlackPawn;
9864 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9865 /* in Shogi restore piece to its original first */
9866 captured = (ChessSquare) (DEMOTED captured);
9869 p = PieceToNumber((ChessSquare)p);
9870 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9871 board[p][BOARD_WIDTH-2]++;
9872 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9874 p -= (int)WhitePawn;
9875 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9876 captured = (ChessSquare) (DEMOTED captured);
9879 p = PieceToNumber((ChessSquare)p);
9880 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9881 board[BOARD_HEIGHT-1-p][1]++;
9882 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9885 } else if (gameInfo.variant == VariantAtomic) {
9886 if (captured != EmptySquare) {
9888 for (y = toY-1; y <= toY+1; y++) {
9889 for (x = toX-1; x <= toX+1; x++) {
9890 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9891 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9892 board[y][x] = EmptySquare;
9896 board[toY][toX] = EmptySquare;
9899 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9900 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9902 if(promoChar == '+') {
9903 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9904 board[toY][toX] = (ChessSquare) (CHUPROMOTED piece);
9905 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9906 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9907 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9908 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9909 board[toY][toX] = newPiece;
9911 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9912 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9913 // [HGM] superchess: take promotion piece out of holdings
9914 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9915 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9916 if(!--board[k][BOARD_WIDTH-2])
9917 board[k][BOARD_WIDTH-1] = EmptySquare;
9919 if(!--board[BOARD_HEIGHT-1-k][1])
9920 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9926 /* Updates forwardMostMove */
9928 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9930 int x = toX, y = toY;
9931 char *s = parseList[forwardMostMove];
9932 ChessSquare p = boards[forwardMostMove][toY][toX];
9933 // forwardMostMove++; // [HGM] bare: moved downstream
9935 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
9936 (void) CoordsToAlgebraic(boards[forwardMostMove],
9937 PosFlags(forwardMostMove),
9938 fromY, fromX, y, x, promoChar,
9940 if(killX >= 0 && killY >= 0)
9941 sprintf(s + strlen(s), "%c%c%d", p == EmptySquare || toX == fromX && toY == fromY ? '-' : 'x', toX + AAA, toY + ONE - '0');
9943 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9944 int timeLeft; static int lastLoadFlag=0; int king, piece;
9945 piece = boards[forwardMostMove][fromY][fromX];
9946 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9947 if(gameInfo.variant == VariantKnightmate)
9948 king += (int) WhiteUnicorn - (int) WhiteKing;
9949 if(forwardMostMove == 0) {
9950 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9951 fprintf(serverMoves, "%s;", UserName());
9952 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9953 fprintf(serverMoves, "%s;", second.tidy);
9954 fprintf(serverMoves, "%s;", first.tidy);
9955 if(gameMode == MachinePlaysWhite)
9956 fprintf(serverMoves, "%s;", UserName());
9957 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9958 fprintf(serverMoves, "%s;", second.tidy);
9959 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9960 lastLoadFlag = loadFlag;
9962 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9963 // print castling suffix
9964 if( toY == fromY && piece == king ) {
9966 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9968 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9971 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9972 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9973 boards[forwardMostMove][toY][toX] == EmptySquare
9974 && fromX != toX && fromY != toY)
9975 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9977 if(promoChar != NULLCHAR) {
9978 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
9979 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
9980 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
9981 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9984 char buf[MOVE_LEN*2], *p; int len;
9985 fprintf(serverMoves, "/%d/%d",
9986 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9987 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9988 else timeLeft = blackTimeRemaining/1000;
9989 fprintf(serverMoves, "/%d", timeLeft);
9990 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9991 if(p = strchr(buf, '/')) *p = NULLCHAR; else
9992 if(p = strchr(buf, '=')) *p = NULLCHAR;
9993 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9994 fprintf(serverMoves, "/%s", buf);
9996 fflush(serverMoves);
9999 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10000 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10003 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10004 if (commentList[forwardMostMove+1] != NULL) {
10005 free(commentList[forwardMostMove+1]);
10006 commentList[forwardMostMove+1] = NULL;
10008 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10009 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10010 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10011 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10012 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10013 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10014 adjustedClock = FALSE;
10015 gameInfo.result = GameUnfinished;
10016 if (gameInfo.resultDetails != NULL) {
10017 free(gameInfo.resultDetails);
10018 gameInfo.resultDetails = NULL;
10020 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10021 moveList[forwardMostMove - 1]);
10022 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10028 if(gameInfo.variant != VariantShogi)
10029 strcat(parseList[forwardMostMove - 1], "+");
10033 strcat(parseList[forwardMostMove - 1], "#");
10037 killX = killY = -1; // [HGM] lion: used up
10040 /* Updates currentMove if not pausing */
10042 ShowMove (int fromX, int fromY, int toX, int toY)
10044 int instant = (gameMode == PlayFromGameFile) ?
10045 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10046 if(appData.noGUI) return;
10047 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10049 if (forwardMostMove == currentMove + 1) {
10050 AnimateMove(boards[forwardMostMove - 1],
10051 fromX, fromY, toX, toY);
10054 currentMove = forwardMostMove;
10057 if (instant) return;
10059 DisplayMove(currentMove - 1);
10060 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10061 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10062 SetHighlights(fromX, fromY, toX, toY);
10065 DrawPosition(FALSE, boards[currentMove]);
10066 DisplayBothClocks();
10067 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10071 SendEgtPath (ChessProgramState *cps)
10072 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10073 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10075 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10078 char c, *q = name+1, *r, *s;
10080 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10081 while(*p && *p != ',') *q++ = *p++;
10082 *q++ = ':'; *q = 0;
10083 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10084 strcmp(name, ",nalimov:") == 0 ) {
10085 // take nalimov path from the menu-changeable option first, if it is defined
10086 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10087 SendToProgram(buf,cps); // send egtbpath command for nalimov
10089 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10090 (s = StrStr(appData.egtFormats, name)) != NULL) {
10091 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10092 s = r = StrStr(s, ":") + 1; // beginning of path info
10093 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10094 c = *r; *r = 0; // temporarily null-terminate path info
10095 *--q = 0; // strip of trailig ':' from name
10096 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10098 SendToProgram(buf,cps); // send egtbpath command for this format
10100 if(*p == ',') p++; // read away comma to position for next format name
10105 NonStandardBoardSize ()
10107 /* [HGM] Awkward testing. Should really be a table */
10108 int overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
10109 if( gameInfo.variant == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10110 if( gameInfo.variant == VariantXiangqi )
10111 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
10112 if( gameInfo.variant == VariantShogi )
10113 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
10114 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
10115 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
10116 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
10117 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
10118 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
10119 if( gameInfo.variant == VariantCourier )
10120 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
10121 if( gameInfo.variant == VariantSuper )
10122 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
10123 if( gameInfo.variant == VariantGreat )
10124 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
10125 if( gameInfo.variant == VariantSChess )
10126 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
10127 if( gameInfo.variant == VariantGrand )
10128 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
10129 if( gameInfo.variant == VariantChu )
10130 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 12 || gameInfo.holdingsSize != 0;
10135 InitChessProgram (ChessProgramState *cps, int setup)
10136 /* setup needed to setup FRC opening position */
10138 char buf[MSG_SIZ], b[MSG_SIZ];
10139 if (appData.noChessProgram) return;
10140 hintRequested = FALSE;
10141 bookRequested = FALSE;
10143 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10144 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10145 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10146 if(cps->memSize) { /* [HGM] memory */
10147 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10148 SendToProgram(buf, cps);
10150 SendEgtPath(cps); /* [HGM] EGT */
10151 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10152 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10153 SendToProgram(buf, cps);
10156 SendToProgram(cps->initString, cps);
10157 if (gameInfo.variant != VariantNormal &&
10158 gameInfo.variant != VariantLoadable
10159 /* [HGM] also send variant if board size non-standard */
10160 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
10162 char *v = VariantName(gameInfo.variant);
10163 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
10164 /* [HGM] in protocol 1 we have to assume all variants valid */
10165 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
10166 DisplayFatalError(buf, 0, 1);
10170 if(NonStandardBoardSize()) { /* [HGM] make prefix for non-standard board size. */
10171 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
10172 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
10173 /* [HGM] varsize: try first if this defiant size variant is specifically known */
10174 if(StrStr(cps->variants, b) == NULL) {
10175 // specific sized variant not known, check if general sizing allowed
10176 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
10177 if(StrStr(cps->variants, "boardsize") == NULL) {
10178 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10179 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
10180 DisplayFatalError(buf, 0, 1);
10183 /* [HGM] here we really should compare with the maximum supported board size */
10186 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
10187 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10188 SendToProgram(buf, cps);
10190 currentlyInitializedVariant = gameInfo.variant;
10192 /* [HGM] send opening position in FRC to first engine */
10194 SendToProgram("force\n", cps);
10196 /* engine is now in force mode! Set flag to wake it up after first move. */
10197 setboardSpoiledMachineBlack = 1;
10200 if (cps->sendICS) {
10201 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10202 SendToProgram(buf, cps);
10204 cps->maybeThinking = FALSE;
10205 cps->offeredDraw = 0;
10206 if (!appData.icsActive) {
10207 SendTimeControl(cps, movesPerSession, timeControl,
10208 timeIncrement, appData.searchDepth,
10211 if (appData.showThinking
10212 // [HGM] thinking: four options require thinking output to be sent
10213 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10215 SendToProgram("post\n", cps);
10217 SendToProgram("hard\n", cps);
10218 if (!appData.ponderNextMove) {
10219 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10220 it without being sure what state we are in first. "hard"
10221 is not a toggle, so that one is OK.
10223 SendToProgram("easy\n", cps);
10225 if (cps->usePing) {
10226 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
10227 SendToProgram(buf, cps);
10229 cps->initDone = TRUE;
10230 ClearEngineOutputPane(cps == &second);
10235 ResendOptions (ChessProgramState *cps)
10236 { // send the stored value of the options
10239 Option *opt = cps->option;
10240 for(i=0; i<cps->nrOptions; i++, opt++) {
10241 switch(opt->type) {
10245 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10248 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10251 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10257 SendToProgram(buf, cps);
10262 StartChessProgram (ChessProgramState *cps)
10267 if (appData.noChessProgram) return;
10268 cps->initDone = FALSE;
10270 if (strcmp(cps->host, "localhost") == 0) {
10271 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10272 } else if (*appData.remoteShell == NULLCHAR) {
10273 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10275 if (*appData.remoteUser == NULLCHAR) {
10276 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10279 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10280 cps->host, appData.remoteUser, cps->program);
10282 err = StartChildProcess(buf, "", &cps->pr);
10286 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10287 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10288 if(cps != &first) return;
10289 appData.noChessProgram = TRUE;
10292 // DisplayFatalError(buf, err, 1);
10293 // cps->pr = NoProc;
10294 // cps->isr = NULL;
10298 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10299 if (cps->protocolVersion > 1) {
10300 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10301 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10302 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10303 cps->comboCnt = 0; // and values of combo boxes
10305 SendToProgram(buf, cps);
10306 if(cps->reload) ResendOptions(cps);
10308 SendToProgram("xboard\n", cps);
10313 TwoMachinesEventIfReady P((void))
10315 static int curMess = 0;
10316 if (first.lastPing != first.lastPong) {
10317 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10318 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10321 if (second.lastPing != second.lastPong) {
10322 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10323 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10326 DisplayMessage("", ""); curMess = 0;
10327 TwoMachinesEvent();
10331 MakeName (char *template)
10335 static char buf[MSG_SIZ];
10339 clock = time((time_t *)NULL);
10340 tm = localtime(&clock);
10342 while(*p++ = *template++) if(p[-1] == '%') {
10343 switch(*template++) {
10344 case 0: *p = 0; return buf;
10345 case 'Y': i = tm->tm_year+1900; break;
10346 case 'y': i = tm->tm_year-100; break;
10347 case 'M': i = tm->tm_mon+1; break;
10348 case 'd': i = tm->tm_mday; break;
10349 case 'h': i = tm->tm_hour; break;
10350 case 'm': i = tm->tm_min; break;
10351 case 's': i = tm->tm_sec; break;
10354 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10360 CountPlayers (char *p)
10363 while(p = strchr(p, '\n')) p++, n++; // count participants
10368 WriteTourneyFile (char *results, FILE *f)
10369 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10370 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10371 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10372 // create a file with tournament description
10373 fprintf(f, "-participants {%s}\n", appData.participants);
10374 fprintf(f, "-seedBase %d\n", appData.seedBase);
10375 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10376 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10377 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10378 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10379 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10380 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10381 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10382 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10383 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10384 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10385 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10386 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10387 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10388 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10389 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10390 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10391 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10392 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10393 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10394 fprintf(f, "-smpCores %d\n", appData.smpCores);
10396 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10398 fprintf(f, "-mps %d\n", appData.movesPerSession);
10399 fprintf(f, "-tc %s\n", appData.timeControl);
10400 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10402 fprintf(f, "-results \"%s\"\n", results);
10407 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10410 Substitute (char *participants, int expunge)
10412 int i, changed, changes=0, nPlayers=0;
10413 char *p, *q, *r, buf[MSG_SIZ];
10414 if(participants == NULL) return;
10415 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10416 r = p = participants; q = appData.participants;
10417 while(*p && *p == *q) {
10418 if(*p == '\n') r = p+1, nPlayers++;
10421 if(*p) { // difference
10422 while(*p && *p++ != '\n');
10423 while(*q && *q++ != '\n');
10424 changed = nPlayers;
10425 changes = 1 + (strcmp(p, q) != 0);
10427 if(changes == 1) { // a single engine mnemonic was changed
10428 q = r; while(*q) nPlayers += (*q++ == '\n');
10429 p = buf; while(*r && (*p = *r++) != '\n') p++;
10431 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10432 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10433 if(mnemonic[i]) { // The substitute is valid
10435 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10436 flock(fileno(f), LOCK_EX);
10437 ParseArgsFromFile(f);
10438 fseek(f, 0, SEEK_SET);
10439 FREE(appData.participants); appData.participants = participants;
10440 if(expunge) { // erase results of replaced engine
10441 int len = strlen(appData.results), w, b, dummy;
10442 for(i=0; i<len; i++) {
10443 Pairing(i, nPlayers, &w, &b, &dummy);
10444 if((w == changed || b == changed) && appData.results[i] == '*') {
10445 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10450 for(i=0; i<len; i++) {
10451 Pairing(i, nPlayers, &w, &b, &dummy);
10452 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10455 WriteTourneyFile(appData.results, f);
10456 fclose(f); // release lock
10459 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10461 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10462 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10463 free(participants);
10468 CheckPlayers (char *participants)
10471 char buf[MSG_SIZ], *p;
10472 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10473 while(p = strchr(participants, '\n')) {
10475 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10477 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10479 DisplayError(buf, 0);
10483 participants = p + 1;
10489 CreateTourney (char *name)
10492 if(matchMode && strcmp(name, appData.tourneyFile)) {
10493 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10495 if(name[0] == NULLCHAR) {
10496 if(appData.participants[0])
10497 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10500 f = fopen(name, "r");
10501 if(f) { // file exists
10502 ASSIGN(appData.tourneyFile, name);
10503 ParseArgsFromFile(f); // parse it
10505 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10506 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10507 DisplayError(_("Not enough participants"), 0);
10510 if(CheckPlayers(appData.participants)) return 0;
10511 ASSIGN(appData.tourneyFile, name);
10512 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10513 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10516 appData.noChessProgram = FALSE;
10517 appData.clockMode = TRUE;
10523 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10525 char buf[MSG_SIZ], *p, *q;
10526 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10527 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10528 skip = !all && group[0]; // if group requested, we start in skip mode
10529 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10530 p = names; q = buf; header = 0;
10531 while(*p && *p != '\n') *q++ = *p++;
10533 if(*p == '\n') p++;
10534 if(buf[0] == '#') {
10535 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10536 depth++; // we must be entering a new group
10537 if(all) continue; // suppress printing group headers when complete list requested
10539 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10541 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10542 if(engineList[i]) free(engineList[i]);
10543 engineList[i] = strdup(buf);
10544 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10545 if(engineMnemonic[i]) free(engineMnemonic[i]);
10546 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10548 sscanf(q + 8, "%s", buf + strlen(buf));
10551 engineMnemonic[i] = strdup(buf);
10554 engineList[i] = engineMnemonic[i] = NULL;
10558 // following implemented as macro to avoid type limitations
10559 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10562 SwapEngines (int n)
10563 { // swap settings for first engine and other engine (so far only some selected options)
10568 SWAP(chessProgram, p)
10570 SWAP(hasOwnBookUCI, h)
10571 SWAP(protocolVersion, h)
10573 SWAP(scoreIsAbsolute, h)
10578 SWAP(engOptions, p)
10579 SWAP(engInitString, p)
10580 SWAP(computerString, p)
10582 SWAP(fenOverride, p)
10584 SWAP(accumulateTC, h)
10589 GetEngineLine (char *s, int n)
10593 extern char *icsNames;
10594 if(!s || !*s) return 0;
10595 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10596 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10597 if(!mnemonic[i]) return 0;
10598 if(n == 11) return 1; // just testing if there was a match
10599 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10600 if(n == 1) SwapEngines(n);
10601 ParseArgsFromString(buf);
10602 if(n == 1) SwapEngines(n);
10603 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10604 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10605 ParseArgsFromString(buf);
10611 SetPlayer (int player, char *p)
10612 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10614 char buf[MSG_SIZ], *engineName;
10615 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10616 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10617 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10619 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10620 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10621 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10622 ParseArgsFromString(buf);
10623 } else { // no engine with this nickname is installed!
10624 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10625 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10626 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10628 DisplayError(buf, 0);
10635 char *recentEngines;
10638 RecentEngineEvent (int nr)
10641 // SwapEngines(1); // bump first to second
10642 // ReplaceEngine(&second, 1); // and load it there
10643 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10644 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10645 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10646 ReplaceEngine(&first, 0);
10647 FloatToFront(&appData.recentEngineList, command[n]);
10652 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10653 { // determine players from game number
10654 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10656 if(appData.tourneyType == 0) {
10657 roundsPerCycle = (nPlayers - 1) | 1;
10658 pairingsPerRound = nPlayers / 2;
10659 } else if(appData.tourneyType > 0) {
10660 roundsPerCycle = nPlayers - appData.tourneyType;
10661 pairingsPerRound = appData.tourneyType;
10663 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10664 gamesPerCycle = gamesPerRound * roundsPerCycle;
10665 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10666 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10667 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10668 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10669 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10670 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10672 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10673 if(appData.roundSync) *syncInterval = gamesPerRound;
10675 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10677 if(appData.tourneyType == 0) {
10678 if(curPairing == (nPlayers-1)/2 ) {
10679 *whitePlayer = curRound;
10680 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10682 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10683 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10684 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10685 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10687 } else if(appData.tourneyType > 1) {
10688 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10689 *whitePlayer = curRound + appData.tourneyType;
10690 } else if(appData.tourneyType > 0) {
10691 *whitePlayer = curPairing;
10692 *blackPlayer = curRound + appData.tourneyType;
10695 // take care of white/black alternation per round.
10696 // For cycles and games this is already taken care of by default, derived from matchGame!
10697 return curRound & 1;
10701 NextTourneyGame (int nr, int *swapColors)
10702 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10704 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
10706 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10707 tf = fopen(appData.tourneyFile, "r");
10708 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10709 ParseArgsFromFile(tf); fclose(tf);
10710 InitTimeControls(); // TC might be altered from tourney file
10712 nPlayers = CountPlayers(appData.participants); // count participants
10713 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10714 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10717 p = q = appData.results;
10718 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10719 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10720 DisplayMessage(_("Waiting for other game(s)"),"");
10721 waitingForGame = TRUE;
10722 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10725 waitingForGame = FALSE;
10728 if(appData.tourneyType < 0) {
10729 if(nr>=0 && !pairingReceived) {
10731 if(pairing.pr == NoProc) {
10732 if(!appData.pairingEngine[0]) {
10733 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10736 StartChessProgram(&pairing); // starts the pairing engine
10738 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10739 SendToProgram(buf, &pairing);
10740 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10741 SendToProgram(buf, &pairing);
10742 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10744 pairingReceived = 0; // ... so we continue here
10746 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10747 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10748 matchGame = 1; roundNr = nr / syncInterval + 1;
10751 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10753 // redefine engines, engine dir, etc.
10754 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10755 if(first.pr == NoProc) {
10756 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
10757 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10759 if(second.pr == NoProc) {
10761 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
10762 SwapEngines(1); // and make that valid for second engine by swapping
10763 InitEngine(&second, 1);
10765 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10766 UpdateLogos(FALSE); // leave display to ModeHiglight()
10772 { // performs game initialization that does not invoke engines, and then tries to start the game
10773 int res, firstWhite, swapColors = 0;
10774 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10775 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
10777 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10778 if(strcmp(buf, currentDebugFile)) { // name has changed
10779 FILE *f = fopen(buf, "w");
10780 if(f) { // if opening the new file failed, just keep using the old one
10781 ASSIGN(currentDebugFile, buf);
10785 if(appData.serverFileName) {
10786 if(serverFP) fclose(serverFP);
10787 serverFP = fopen(appData.serverFileName, "w");
10788 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10789 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10793 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10794 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10795 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10796 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10797 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10798 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10799 Reset(FALSE, first.pr != NoProc);
10800 res = LoadGameOrPosition(matchGame); // setup game
10801 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10802 if(!res) return; // abort when bad game/pos file
10803 TwoMachinesEvent();
10807 UserAdjudicationEvent (int result)
10809 ChessMove gameResult = GameIsDrawn;
10812 gameResult = WhiteWins;
10814 else if( result < 0 ) {
10815 gameResult = BlackWins;
10818 if( gameMode == TwoMachinesPlay ) {
10819 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10824 // [HGM] save: calculate checksum of game to make games easily identifiable
10826 StringCheckSum (char *s)
10829 if(s==NULL) return 0;
10830 while(*s) i = i*259 + *s++;
10838 for(i=backwardMostMove; i<forwardMostMove; i++) {
10839 sum += pvInfoList[i].depth;
10840 sum += StringCheckSum(parseList[i]);
10841 sum += StringCheckSum(commentList[i]);
10844 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10845 return sum + StringCheckSum(commentList[i]);
10846 } // end of save patch
10849 GameEnds (ChessMove result, char *resultDetails, int whosays)
10851 GameMode nextGameMode;
10853 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10855 if(endingGame) return; /* [HGM] crash: forbid recursion */
10857 if(twoBoards) { // [HGM] dual: switch back to one board
10858 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10859 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10861 if (appData.debugMode) {
10862 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10863 result, resultDetails ? resultDetails : "(null)", whosays);
10866 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10868 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
10870 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10871 /* If we are playing on ICS, the server decides when the
10872 game is over, but the engine can offer to draw, claim
10876 if (appData.zippyPlay && first.initDone) {
10877 if (result == GameIsDrawn) {
10878 /* In case draw still needs to be claimed */
10879 SendToICS(ics_prefix);
10880 SendToICS("draw\n");
10881 } else if (StrCaseStr(resultDetails, "resign")) {
10882 SendToICS(ics_prefix);
10883 SendToICS("resign\n");
10887 endingGame = 0; /* [HGM] crash */
10891 /* If we're loading the game from a file, stop */
10892 if (whosays == GE_FILE) {
10893 (void) StopLoadGameTimer();
10897 /* Cancel draw offers */
10898 first.offeredDraw = second.offeredDraw = 0;
10900 /* If this is an ICS game, only ICS can really say it's done;
10901 if not, anyone can. */
10902 isIcsGame = (gameMode == IcsPlayingWhite ||
10903 gameMode == IcsPlayingBlack ||
10904 gameMode == IcsObserving ||
10905 gameMode == IcsExamining);
10907 if (!isIcsGame || whosays == GE_ICS) {
10908 /* OK -- not an ICS game, or ICS said it was done */
10910 if (!isIcsGame && !appData.noChessProgram)
10911 SetUserThinkingEnables();
10913 /* [HGM] if a machine claims the game end we verify this claim */
10914 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10915 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10917 ChessMove trueResult = (ChessMove) -1;
10919 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10920 first.twoMachinesColor[0] :
10921 second.twoMachinesColor[0] ;
10923 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10924 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10925 /* [HGM] verify: engine mate claims accepted if they were flagged */
10926 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10928 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10929 /* [HGM] verify: engine mate claims accepted if they were flagged */
10930 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10932 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10933 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10936 // now verify win claims, but not in drop games, as we don't understand those yet
10937 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10938 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10939 (result == WhiteWins && claimer == 'w' ||
10940 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10941 if (appData.debugMode) {
10942 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10943 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10945 if(result != trueResult) {
10946 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10947 result = claimer == 'w' ? BlackWins : WhiteWins;
10948 resultDetails = buf;
10951 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10952 && (forwardMostMove <= backwardMostMove ||
10953 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10954 (claimer=='b')==(forwardMostMove&1))
10956 /* [HGM] verify: draws that were not flagged are false claims */
10957 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10958 result = claimer == 'w' ? BlackWins : WhiteWins;
10959 resultDetails = buf;
10961 /* (Claiming a loss is accepted no questions asked!) */
10962 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
10963 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
10964 result = GameUnfinished;
10965 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
10967 /* [HGM] bare: don't allow bare King to win */
10968 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10969 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10970 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10971 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10972 && result != GameIsDrawn)
10973 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10974 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10975 int p = (signed char)boards[forwardMostMove][i][j] - color;
10976 if(p >= 0 && p <= (int)WhiteKing) k++;
10978 if (appData.debugMode) {
10979 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10980 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10983 result = GameIsDrawn;
10984 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10985 resultDetails = buf;
10991 if(serverMoves != NULL && !loadFlag) { char c = '=';
10992 if(result==WhiteWins) c = '+';
10993 if(result==BlackWins) c = '-';
10994 if(resultDetails != NULL)
10995 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10997 if (resultDetails != NULL) {
10998 gameInfo.result = result;
10999 gameInfo.resultDetails = StrSave(resultDetails);
11001 /* display last move only if game was not loaded from file */
11002 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11003 DisplayMove(currentMove - 1);
11005 if (forwardMostMove != 0) {
11006 if (gameMode != PlayFromGameFile && gameMode != EditGame
11007 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11009 if (*appData.saveGameFile != NULLCHAR) {
11010 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11011 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11013 SaveGameToFile(appData.saveGameFile, TRUE);
11014 } else if (appData.autoSaveGames) {
11015 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11017 if (*appData.savePositionFile != NULLCHAR) {
11018 SavePositionToFile(appData.savePositionFile);
11020 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11024 /* Tell program how game ended in case it is learning */
11025 /* [HGM] Moved this to after saving the PGN, just in case */
11026 /* engine died and we got here through time loss. In that */
11027 /* case we will get a fatal error writing the pipe, which */
11028 /* would otherwise lose us the PGN. */
11029 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11030 /* output during GameEnds should never be fatal anymore */
11031 if (gameMode == MachinePlaysWhite ||
11032 gameMode == MachinePlaysBlack ||
11033 gameMode == TwoMachinesPlay ||
11034 gameMode == IcsPlayingWhite ||
11035 gameMode == IcsPlayingBlack ||
11036 gameMode == BeginningOfGame) {
11038 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11040 if (first.pr != NoProc) {
11041 SendToProgram(buf, &first);
11043 if (second.pr != NoProc &&
11044 gameMode == TwoMachinesPlay) {
11045 SendToProgram(buf, &second);
11050 if (appData.icsActive) {
11051 if (appData.quietPlay &&
11052 (gameMode == IcsPlayingWhite ||
11053 gameMode == IcsPlayingBlack)) {
11054 SendToICS(ics_prefix);
11055 SendToICS("set shout 1\n");
11057 nextGameMode = IcsIdle;
11058 ics_user_moved = FALSE;
11059 /* clean up premove. It's ugly when the game has ended and the
11060 * premove highlights are still on the board.
11063 gotPremove = FALSE;
11064 ClearPremoveHighlights();
11065 DrawPosition(FALSE, boards[currentMove]);
11067 if (whosays == GE_ICS) {
11070 if (gameMode == IcsPlayingWhite)
11072 else if(gameMode == IcsPlayingBlack)
11073 PlayIcsLossSound();
11076 if (gameMode == IcsPlayingBlack)
11078 else if(gameMode == IcsPlayingWhite)
11079 PlayIcsLossSound();
11082 PlayIcsDrawSound();
11085 PlayIcsUnfinishedSound();
11088 if(appData.quitNext) { ExitEvent(0); return; }
11089 } else if (gameMode == EditGame ||
11090 gameMode == PlayFromGameFile ||
11091 gameMode == AnalyzeMode ||
11092 gameMode == AnalyzeFile) {
11093 nextGameMode = gameMode;
11095 nextGameMode = EndOfGame;
11100 nextGameMode = gameMode;
11103 if (appData.noChessProgram) {
11104 gameMode = nextGameMode;
11106 endingGame = 0; /* [HGM] crash */
11111 /* Put first chess program into idle state */
11112 if (first.pr != NoProc &&
11113 (gameMode == MachinePlaysWhite ||
11114 gameMode == MachinePlaysBlack ||
11115 gameMode == TwoMachinesPlay ||
11116 gameMode == IcsPlayingWhite ||
11117 gameMode == IcsPlayingBlack ||
11118 gameMode == BeginningOfGame)) {
11119 SendToProgram("force\n", &first);
11120 if (first.usePing) {
11122 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11123 SendToProgram(buf, &first);
11126 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11127 /* Kill off first chess program */
11128 if (first.isr != NULL)
11129 RemoveInputSource(first.isr);
11132 if (first.pr != NoProc) {
11134 DoSleep( appData.delayBeforeQuit );
11135 SendToProgram("quit\n", &first);
11136 DoSleep( appData.delayAfterQuit );
11137 DestroyChildProcess(first.pr, first.useSigterm);
11138 first.reload = TRUE;
11142 if (second.reuse) {
11143 /* Put second chess program into idle state */
11144 if (second.pr != NoProc &&
11145 gameMode == TwoMachinesPlay) {
11146 SendToProgram("force\n", &second);
11147 if (second.usePing) {
11149 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11150 SendToProgram(buf, &second);
11153 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11154 /* Kill off second chess program */
11155 if (second.isr != NULL)
11156 RemoveInputSource(second.isr);
11159 if (second.pr != NoProc) {
11160 DoSleep( appData.delayBeforeQuit );
11161 SendToProgram("quit\n", &second);
11162 DoSleep( appData.delayAfterQuit );
11163 DestroyChildProcess(second.pr, second.useSigterm);
11164 second.reload = TRUE;
11166 second.pr = NoProc;
11169 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11170 char resChar = '=';
11174 if (first.twoMachinesColor[0] == 'w') {
11177 second.matchWins++;
11182 if (first.twoMachinesColor[0] == 'b') {
11185 second.matchWins++;
11188 case GameUnfinished:
11194 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11195 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11196 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11197 ReserveGame(nextGame, resChar); // sets nextGame
11198 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11199 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11200 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11202 if (nextGame <= appData.matchGames && !abortMatch) {
11203 gameMode = nextGameMode;
11204 matchGame = nextGame; // this will be overruled in tourney mode!
11205 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11206 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11207 endingGame = 0; /* [HGM] crash */
11210 gameMode = nextGameMode;
11211 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11212 first.tidy, second.tidy,
11213 first.matchWins, second.matchWins,
11214 appData.matchGames - (first.matchWins + second.matchWins));
11215 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11216 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11217 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11218 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11219 first.twoMachinesColor = "black\n";
11220 second.twoMachinesColor = "white\n";
11222 first.twoMachinesColor = "white\n";
11223 second.twoMachinesColor = "black\n";
11227 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11228 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11230 gameMode = nextGameMode;
11232 endingGame = 0; /* [HGM] crash */
11233 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11234 if(matchMode == TRUE) { // match through command line: exit with or without popup
11236 ToNrEvent(forwardMostMove);
11237 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11239 } else DisplayFatalError(buf, 0, 0);
11240 } else { // match through menu; just stop, with or without popup
11241 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11244 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11245 } else DisplayNote(buf);
11247 if(ranking) free(ranking);
11251 /* Assumes program was just initialized (initString sent).
11252 Leaves program in force mode. */
11254 FeedMovesToProgram (ChessProgramState *cps, int upto)
11258 if (appData.debugMode)
11259 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11260 startedFromSetupPosition ? "position and " : "",
11261 backwardMostMove, upto, cps->which);
11262 if(currentlyInitializedVariant != gameInfo.variant) {
11264 // [HGM] variantswitch: make engine aware of new variant
11265 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
11266 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11267 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11268 SendToProgram(buf, cps);
11269 currentlyInitializedVariant = gameInfo.variant;
11271 SendToProgram("force\n", cps);
11272 if (startedFromSetupPosition) {
11273 SendBoard(cps, backwardMostMove);
11274 if (appData.debugMode) {
11275 fprintf(debugFP, "feedMoves\n");
11278 for (i = backwardMostMove; i < upto; i++) {
11279 SendMoveToProgram(i, cps);
11285 ResurrectChessProgram ()
11287 /* The chess program may have exited.
11288 If so, restart it and feed it all the moves made so far. */
11289 static int doInit = 0;
11291 if (appData.noChessProgram) return 1;
11293 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11294 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11295 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11296 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11298 if (first.pr != NoProc) return 1;
11299 StartChessProgram(&first);
11301 InitChessProgram(&first, FALSE);
11302 FeedMovesToProgram(&first, currentMove);
11304 if (!first.sendTime) {
11305 /* can't tell gnuchess what its clock should read,
11306 so we bow to its notion. */
11308 timeRemaining[0][currentMove] = whiteTimeRemaining;
11309 timeRemaining[1][currentMove] = blackTimeRemaining;
11312 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11313 appData.icsEngineAnalyze) && first.analysisSupport) {
11314 SendToProgram("analyze\n", &first);
11315 first.analyzing = TRUE;
11321 * Button procedures
11324 Reset (int redraw, int init)
11328 if (appData.debugMode) {
11329 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11330 redraw, init, gameMode);
11332 CleanupTail(); // [HGM] vari: delete any stored variations
11333 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11334 pausing = pauseExamInvalid = FALSE;
11335 startedFromSetupPosition = blackPlaysFirst = FALSE;
11337 whiteFlag = blackFlag = FALSE;
11338 userOfferedDraw = FALSE;
11339 hintRequested = bookRequested = FALSE;
11340 first.maybeThinking = FALSE;
11341 second.maybeThinking = FALSE;
11342 first.bookSuspend = FALSE; // [HGM] book
11343 second.bookSuspend = FALSE;
11344 thinkOutput[0] = NULLCHAR;
11345 lastHint[0] = NULLCHAR;
11346 ClearGameInfo(&gameInfo);
11347 gameInfo.variant = StringToVariant(appData.variant);
11348 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11349 ics_user_moved = ics_clock_paused = FALSE;
11350 ics_getting_history = H_FALSE;
11352 white_holding[0] = black_holding[0] = NULLCHAR;
11353 ClearProgramStats();
11354 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11358 flipView = appData.flipView;
11359 ClearPremoveHighlights();
11360 gotPremove = FALSE;
11361 alarmSounded = FALSE;
11363 GameEnds(EndOfFile, NULL, GE_PLAYER);
11364 if(appData.serverMovesName != NULL) {
11365 /* [HGM] prepare to make moves file for broadcasting */
11366 clock_t t = clock();
11367 if(serverMoves != NULL) fclose(serverMoves);
11368 serverMoves = fopen(appData.serverMovesName, "r");
11369 if(serverMoves != NULL) {
11370 fclose(serverMoves);
11371 /* delay 15 sec before overwriting, so all clients can see end */
11372 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11374 serverMoves = fopen(appData.serverMovesName, "w");
11378 gameMode = BeginningOfGame;
11380 if(appData.icsActive) gameInfo.variant = VariantNormal;
11381 currentMove = forwardMostMove = backwardMostMove = 0;
11382 MarkTargetSquares(1);
11383 InitPosition(redraw);
11384 for (i = 0; i < MAX_MOVES; i++) {
11385 if (commentList[i] != NULL) {
11386 free(commentList[i]);
11387 commentList[i] = NULL;
11391 timeRemaining[0][0] = whiteTimeRemaining;
11392 timeRemaining[1][0] = blackTimeRemaining;
11394 if (first.pr == NoProc) {
11395 StartChessProgram(&first);
11398 InitChessProgram(&first, startedFromSetupPosition);
11401 DisplayMessage("", "");
11402 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11403 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11404 ClearMap(); // [HGM] exclude: invalidate map
11408 AutoPlayGameLoop ()
11411 if (!AutoPlayOneMove())
11413 if (matchMode || appData.timeDelay == 0)
11415 if (appData.timeDelay < 0)
11417 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11425 ReloadGame(1); // next game
11431 int fromX, fromY, toX, toY;
11433 if (appData.debugMode) {
11434 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11437 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11440 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11441 pvInfoList[currentMove].depth = programStats.depth;
11442 pvInfoList[currentMove].score = programStats.score;
11443 pvInfoList[currentMove].time = 0;
11444 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11445 else { // append analysis of final position as comment
11447 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11448 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11450 programStats.depth = 0;
11453 if (currentMove >= forwardMostMove) {
11454 if(gameMode == AnalyzeFile) {
11455 if(appData.loadGameIndex == -1) {
11456 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11457 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11459 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11462 // gameMode = EndOfGame;
11463 // ModeHighlight();
11465 /* [AS] Clear current move marker at the end of a game */
11466 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11471 toX = moveList[currentMove][2] - AAA;
11472 toY = moveList[currentMove][3] - ONE;
11474 if (moveList[currentMove][1] == '@') {
11475 if (appData.highlightLastMove) {
11476 SetHighlights(-1, -1, toX, toY);
11479 fromX = moveList[currentMove][0] - AAA;
11480 fromY = moveList[currentMove][1] - ONE;
11482 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11484 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11486 if (appData.highlightLastMove) {
11487 SetHighlights(fromX, fromY, toX, toY);
11490 DisplayMove(currentMove);
11491 SendMoveToProgram(currentMove++, &first);
11492 DisplayBothClocks();
11493 DrawPosition(FALSE, boards[currentMove]);
11494 // [HGM] PV info: always display, routine tests if empty
11495 DisplayComment(currentMove - 1, commentList[currentMove]);
11501 LoadGameOneMove (ChessMove readAhead)
11503 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11504 char promoChar = NULLCHAR;
11505 ChessMove moveType;
11506 char move[MSG_SIZ];
11509 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11510 gameMode != AnalyzeMode && gameMode != Training) {
11515 yyboardindex = forwardMostMove;
11516 if (readAhead != EndOfFile) {
11517 moveType = readAhead;
11519 if (gameFileFP == NULL)
11521 moveType = (ChessMove) Myylex();
11525 switch (moveType) {
11527 if (appData.debugMode)
11528 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11531 /* append the comment but don't display it */
11532 AppendComment(currentMove, p, FALSE);
11535 case WhiteCapturesEnPassant:
11536 case BlackCapturesEnPassant:
11537 case WhitePromotion:
11538 case BlackPromotion:
11539 case WhiteNonPromotion:
11540 case BlackNonPromotion:
11542 case WhiteKingSideCastle:
11543 case WhiteQueenSideCastle:
11544 case BlackKingSideCastle:
11545 case BlackQueenSideCastle:
11546 case WhiteKingSideCastleWild:
11547 case WhiteQueenSideCastleWild:
11548 case BlackKingSideCastleWild:
11549 case BlackQueenSideCastleWild:
11551 case WhiteHSideCastleFR:
11552 case WhiteASideCastleFR:
11553 case BlackHSideCastleFR:
11554 case BlackASideCastleFR:
11556 if (appData.debugMode)
11557 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11558 fromX = currentMoveString[0] - AAA;
11559 fromY = currentMoveString[1] - ONE;
11560 toX = currentMoveString[2] - AAA;
11561 toY = currentMoveString[3] - ONE;
11562 promoChar = currentMoveString[4];
11567 if (appData.debugMode)
11568 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11569 fromX = moveType == WhiteDrop ?
11570 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11571 (int) CharToPiece(ToLower(currentMoveString[0]));
11573 toX = currentMoveString[2] - AAA;
11574 toY = currentMoveString[3] - ONE;
11580 case GameUnfinished:
11581 if (appData.debugMode)
11582 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11583 p = strchr(yy_text, '{');
11584 if (p == NULL) p = strchr(yy_text, '(');
11587 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11589 q = strchr(p, *p == '{' ? '}' : ')');
11590 if (q != NULL) *q = NULLCHAR;
11593 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11594 GameEnds(moveType, p, GE_FILE);
11596 if (cmailMsgLoaded) {
11598 flipView = WhiteOnMove(currentMove);
11599 if (moveType == GameUnfinished) flipView = !flipView;
11600 if (appData.debugMode)
11601 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11606 if (appData.debugMode)
11607 fprintf(debugFP, "Parser hit end of file\n");
11608 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11614 if (WhiteOnMove(currentMove)) {
11615 GameEnds(BlackWins, "Black mates", GE_FILE);
11617 GameEnds(WhiteWins, "White mates", GE_FILE);
11621 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11627 case MoveNumberOne:
11628 if (lastLoadGameStart == GNUChessGame) {
11629 /* GNUChessGames have numbers, but they aren't move numbers */
11630 if (appData.debugMode)
11631 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11632 yy_text, (int) moveType);
11633 return LoadGameOneMove(EndOfFile); /* tail recursion */
11635 /* else fall thru */
11640 /* Reached start of next game in file */
11641 if (appData.debugMode)
11642 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11643 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11649 if (WhiteOnMove(currentMove)) {
11650 GameEnds(BlackWins, "Black mates", GE_FILE);
11652 GameEnds(WhiteWins, "White mates", GE_FILE);
11656 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11662 case PositionDiagram: /* should not happen; ignore */
11663 case ElapsedTime: /* ignore */
11664 case NAG: /* ignore */
11665 if (appData.debugMode)
11666 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11667 yy_text, (int) moveType);
11668 return LoadGameOneMove(EndOfFile); /* tail recursion */
11671 if (appData.testLegality) {
11672 if (appData.debugMode)
11673 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11674 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11675 (forwardMostMove / 2) + 1,
11676 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11677 DisplayError(move, 0);
11680 if (appData.debugMode)
11681 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11682 yy_text, currentMoveString);
11683 fromX = currentMoveString[0] - AAA;
11684 fromY = currentMoveString[1] - ONE;
11685 toX = currentMoveString[2] - AAA;
11686 toY = currentMoveString[3] - ONE;
11687 promoChar = currentMoveString[4];
11691 case AmbiguousMove:
11692 if (appData.debugMode)
11693 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11694 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11695 (forwardMostMove / 2) + 1,
11696 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11697 DisplayError(move, 0);
11702 case ImpossibleMove:
11703 if (appData.debugMode)
11704 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11705 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11706 (forwardMostMove / 2) + 1,
11707 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11708 DisplayError(move, 0);
11714 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11715 DrawPosition(FALSE, boards[currentMove]);
11716 DisplayBothClocks();
11717 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11718 DisplayComment(currentMove - 1, commentList[currentMove]);
11720 (void) StopLoadGameTimer();
11722 cmailOldMove = forwardMostMove;
11725 /* currentMoveString is set as a side-effect of yylex */
11727 thinkOutput[0] = NULLCHAR;
11728 MakeMove(fromX, fromY, toX, toY, promoChar);
11729 currentMove = forwardMostMove;
11734 /* Load the nth game from the given file */
11736 LoadGameFromFile (char *filename, int n, char *title, int useList)
11741 if (strcmp(filename, "-") == 0) {
11745 f = fopen(filename, "rb");
11747 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11748 DisplayError(buf, errno);
11752 if (fseek(f, 0, 0) == -1) {
11753 /* f is not seekable; probably a pipe */
11756 if (useList && n == 0) {
11757 int error = GameListBuild(f);
11759 DisplayError(_("Cannot build game list"), error);
11760 } else if (!ListEmpty(&gameList) &&
11761 ((ListGame *) gameList.tailPred)->number > 1) {
11762 GameListPopUp(f, title);
11769 return LoadGame(f, n, title, FALSE);
11774 MakeRegisteredMove ()
11776 int fromX, fromY, toX, toY;
11778 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11779 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11782 if (appData.debugMode)
11783 fprintf(debugFP, "Restoring %s for game %d\n",
11784 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11786 thinkOutput[0] = NULLCHAR;
11787 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11788 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11789 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11790 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11791 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11792 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11793 MakeMove(fromX, fromY, toX, toY, promoChar);
11794 ShowMove(fromX, fromY, toX, toY);
11796 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11803 if (WhiteOnMove(currentMove)) {
11804 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11806 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11811 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11818 if (WhiteOnMove(currentMove)) {
11819 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11821 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11826 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11837 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11839 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11843 if (gameNumber > nCmailGames) {
11844 DisplayError(_("No more games in this message"), 0);
11847 if (f == lastLoadGameFP) {
11848 int offset = gameNumber - lastLoadGameNumber;
11850 cmailMsg[0] = NULLCHAR;
11851 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11852 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11853 nCmailMovesRegistered--;
11855 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11856 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11857 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11860 if (! RegisterMove()) return FALSE;
11864 retVal = LoadGame(f, gameNumber, title, useList);
11866 /* Make move registered during previous look at this game, if any */
11867 MakeRegisteredMove();
11869 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11870 commentList[currentMove]
11871 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11872 DisplayComment(currentMove - 1, commentList[currentMove]);
11878 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11880 ReloadGame (int offset)
11882 int gameNumber = lastLoadGameNumber + offset;
11883 if (lastLoadGameFP == NULL) {
11884 DisplayError(_("No game has been loaded yet"), 0);
11887 if (gameNumber <= 0) {
11888 DisplayError(_("Can't back up any further"), 0);
11891 if (cmailMsgLoaded) {
11892 return CmailLoadGame(lastLoadGameFP, gameNumber,
11893 lastLoadGameTitle, lastLoadGameUseList);
11895 return LoadGame(lastLoadGameFP, gameNumber,
11896 lastLoadGameTitle, lastLoadGameUseList);
11900 int keys[EmptySquare+1];
11903 PositionMatches (Board b1, Board b2)
11906 switch(appData.searchMode) {
11907 case 1: return CompareWithRights(b1, b2);
11909 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11910 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11914 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11915 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11916 sum += keys[b1[r][f]] - keys[b2[r][f]];
11920 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11921 sum += keys[b1[r][f]] - keys[b2[r][f]];
11933 int pieceList[256], quickBoard[256];
11934 ChessSquare pieceType[256] = { EmptySquare };
11935 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11936 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11937 int soughtTotal, turn;
11938 Boolean epOK, flipSearch;
11941 unsigned char piece, to;
11944 #define DSIZE (250000)
11946 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11947 Move *moveDatabase = initialSpace;
11948 unsigned int movePtr, dataSize = DSIZE;
11951 MakePieceList (Board board, int *counts)
11953 int r, f, n=Q_PROMO, total=0;
11954 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11955 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11956 int sq = f + (r<<4);
11957 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11958 quickBoard[sq] = ++n;
11960 pieceType[n] = board[r][f];
11961 counts[board[r][f]]++;
11962 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11963 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11967 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11972 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11974 int sq = fromX + (fromY<<4);
11975 int piece = quickBoard[sq];
11976 quickBoard[sq] = 0;
11977 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11978 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11979 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11980 moveDatabase[movePtr++].piece = Q_WCASTL;
11981 quickBoard[sq] = piece;
11982 piece = quickBoard[from]; quickBoard[from] = 0;
11983 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11985 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11986 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11987 moveDatabase[movePtr++].piece = Q_BCASTL;
11988 quickBoard[sq] = piece;
11989 piece = quickBoard[from]; quickBoard[from] = 0;
11990 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11992 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11993 quickBoard[(fromY<<4)+toX] = 0;
11994 moveDatabase[movePtr].piece = Q_EP;
11995 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11996 moveDatabase[movePtr].to = sq;
11998 if(promoPiece != pieceType[piece]) {
11999 moveDatabase[movePtr++].piece = Q_PROMO;
12000 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12002 moveDatabase[movePtr].piece = piece;
12003 quickBoard[sq] = piece;
12008 PackGame (Board board)
12010 Move *newSpace = NULL;
12011 moveDatabase[movePtr].piece = 0; // terminate previous game
12012 if(movePtr > dataSize) {
12013 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12014 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12015 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12018 Move *p = moveDatabase, *q = newSpace;
12019 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12020 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12021 moveDatabase = newSpace;
12022 } else { // calloc failed, we must be out of memory. Too bad...
12023 dataSize = 0; // prevent calloc events for all subsequent games
12024 return 0; // and signal this one isn't cached
12028 MakePieceList(board, counts);
12033 QuickCompare (Board board, int *minCounts, int *maxCounts)
12034 { // compare according to search mode
12036 switch(appData.searchMode)
12038 case 1: // exact position match
12039 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12040 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12041 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12044 case 2: // can have extra material on empty squares
12045 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12046 if(board[r][f] == EmptySquare) continue;
12047 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12050 case 3: // material with exact Pawn structure
12051 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12052 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12053 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12054 } // fall through to material comparison
12055 case 4: // exact material
12056 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12058 case 6: // material range with given imbalance
12059 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12060 // fall through to range comparison
12061 case 5: // material range
12062 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12068 QuickScan (Board board, Move *move)
12069 { // reconstruct game,and compare all positions in it
12070 int cnt=0, stretch=0, total = MakePieceList(board, counts);
12072 int piece = move->piece;
12073 int to = move->to, from = pieceList[piece];
12074 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12075 if(!piece) return -1;
12076 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12077 piece = (++move)->piece;
12078 from = pieceList[piece];
12079 counts[pieceType[piece]]--;
12080 pieceType[piece] = (ChessSquare) move->to;
12081 counts[move->to]++;
12082 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12083 counts[pieceType[quickBoard[to]]]--;
12084 quickBoard[to] = 0; total--;
12087 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12088 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12089 from = pieceList[piece]; // so this must be King
12090 quickBoard[from] = 0;
12091 pieceList[piece] = to;
12092 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12093 quickBoard[from] = 0; // rook
12094 quickBoard[to] = piece;
12095 to = move->to; piece = move->piece;
12099 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12100 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
12101 quickBoard[from] = 0;
12103 quickBoard[to] = piece;
12104 pieceList[piece] = to;
12106 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12107 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12108 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12109 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12111 static int lastCounts[EmptySquare+1];
12113 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12114 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12115 } else stretch = 0;
12116 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
12125 flipSearch = FALSE;
12126 CopyBoard(soughtBoard, boards[currentMove]);
12127 soughtTotal = MakePieceList(soughtBoard, maxSought);
12128 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12129 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12130 CopyBoard(reverseBoard, boards[currentMove]);
12131 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12132 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12133 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12134 reverseBoard[r][f] = piece;
12136 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12137 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12138 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12139 || (boards[currentMove][CASTLING][2] == NoRights ||
12140 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12141 && (boards[currentMove][CASTLING][5] == NoRights ||
12142 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12145 CopyBoard(flipBoard, soughtBoard);
12146 CopyBoard(rotateBoard, reverseBoard);
12147 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12148 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12149 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12152 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12153 if(appData.searchMode >= 5) {
12154 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12155 MakePieceList(soughtBoard, minSought);
12156 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12158 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12159 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12162 GameInfo dummyInfo;
12163 static int creatingBook;
12166 GameContainsPosition (FILE *f, ListGame *lg)
12168 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12169 int fromX, fromY, toX, toY;
12171 static int initDone=FALSE;
12173 // weed out games based on numerical tag comparison
12174 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12175 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12176 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12177 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12179 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12182 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12183 else CopyBoard(boards[scratch], initialPosition); // default start position
12186 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12187 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12190 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12191 fseek(f, lg->offset, 0);
12194 yyboardindex = scratch;
12195 quickFlag = plyNr+1;
12200 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12206 if(plyNr) return -1; // after we have seen moves, this is for new game
12209 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12210 case ImpossibleMove:
12211 case WhiteWins: // game ends here with these four
12214 case GameUnfinished:
12218 if(appData.testLegality) return -1;
12219 case WhiteCapturesEnPassant:
12220 case BlackCapturesEnPassant:
12221 case WhitePromotion:
12222 case BlackPromotion:
12223 case WhiteNonPromotion:
12224 case BlackNonPromotion:
12226 case WhiteKingSideCastle:
12227 case WhiteQueenSideCastle:
12228 case BlackKingSideCastle:
12229 case BlackQueenSideCastle:
12230 case WhiteKingSideCastleWild:
12231 case WhiteQueenSideCastleWild:
12232 case BlackKingSideCastleWild:
12233 case BlackQueenSideCastleWild:
12234 case WhiteHSideCastleFR:
12235 case WhiteASideCastleFR:
12236 case BlackHSideCastleFR:
12237 case BlackASideCastleFR:
12238 fromX = currentMoveString[0] - AAA;
12239 fromY = currentMoveString[1] - ONE;
12240 toX = currentMoveString[2] - AAA;
12241 toY = currentMoveString[3] - ONE;
12242 promoChar = currentMoveString[4];
12246 fromX = next == WhiteDrop ?
12247 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12248 (int) CharToPiece(ToLower(currentMoveString[0]));
12250 toX = currentMoveString[2] - AAA;
12251 toY = currentMoveString[3] - ONE;
12255 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12257 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12258 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12259 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12260 if(appData.findMirror) {
12261 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12262 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12267 /* Load the nth game from open file f */
12269 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12273 int gn = gameNumber;
12274 ListGame *lg = NULL;
12275 int numPGNTags = 0;
12277 GameMode oldGameMode;
12278 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12280 if (appData.debugMode)
12281 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12283 if (gameMode == Training )
12284 SetTrainingModeOff();
12286 oldGameMode = gameMode;
12287 if (gameMode != BeginningOfGame) {
12288 Reset(FALSE, TRUE);
12292 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12293 fclose(lastLoadGameFP);
12297 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12300 fseek(f, lg->offset, 0);
12301 GameListHighlight(gameNumber);
12302 pos = lg->position;
12306 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12307 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12309 DisplayError(_("Game number out of range"), 0);
12314 if (fseek(f, 0, 0) == -1) {
12315 if (f == lastLoadGameFP ?
12316 gameNumber == lastLoadGameNumber + 1 :
12320 DisplayError(_("Can't seek on game file"), 0);
12325 lastLoadGameFP = f;
12326 lastLoadGameNumber = gameNumber;
12327 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12328 lastLoadGameUseList = useList;
12332 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12333 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12334 lg->gameInfo.black);
12336 } else if (*title != NULLCHAR) {
12337 if (gameNumber > 1) {
12338 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12341 DisplayTitle(title);
12345 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12346 gameMode = PlayFromGameFile;
12350 currentMove = forwardMostMove = backwardMostMove = 0;
12351 CopyBoard(boards[0], initialPosition);
12355 * Skip the first gn-1 games in the file.
12356 * Also skip over anything that precedes an identifiable
12357 * start of game marker, to avoid being confused by
12358 * garbage at the start of the file. Currently
12359 * recognized start of game markers are the move number "1",
12360 * the pattern "gnuchess .* game", the pattern
12361 * "^[#;%] [^ ]* game file", and a PGN tag block.
12362 * A game that starts with one of the latter two patterns
12363 * will also have a move number 1, possibly
12364 * following a position diagram.
12365 * 5-4-02: Let's try being more lenient and allowing a game to
12366 * start with an unnumbered move. Does that break anything?
12368 cm = lastLoadGameStart = EndOfFile;
12370 yyboardindex = forwardMostMove;
12371 cm = (ChessMove) Myylex();
12374 if (cmailMsgLoaded) {
12375 nCmailGames = CMAIL_MAX_GAMES - gn;
12378 DisplayError(_("Game not found in file"), 0);
12385 lastLoadGameStart = cm;
12388 case MoveNumberOne:
12389 switch (lastLoadGameStart) {
12394 case MoveNumberOne:
12396 gn--; /* count this game */
12397 lastLoadGameStart = cm;
12406 switch (lastLoadGameStart) {
12409 case MoveNumberOne:
12411 gn--; /* count this game */
12412 lastLoadGameStart = cm;
12415 lastLoadGameStart = cm; /* game counted already */
12423 yyboardindex = forwardMostMove;
12424 cm = (ChessMove) Myylex();
12425 } while (cm == PGNTag || cm == Comment);
12432 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12433 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12434 != CMAIL_OLD_RESULT) {
12436 cmailResult[ CMAIL_MAX_GAMES
12437 - gn - 1] = CMAIL_OLD_RESULT;
12443 /* Only a NormalMove can be at the start of a game
12444 * without a position diagram. */
12445 if (lastLoadGameStart == EndOfFile ) {
12447 lastLoadGameStart = MoveNumberOne;
12456 if (appData.debugMode)
12457 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12459 if (cm == XBoardGame) {
12460 /* Skip any header junk before position diagram and/or move 1 */
12462 yyboardindex = forwardMostMove;
12463 cm = (ChessMove) Myylex();
12465 if (cm == EndOfFile ||
12466 cm == GNUChessGame || cm == XBoardGame) {
12467 /* Empty game; pretend end-of-file and handle later */
12472 if (cm == MoveNumberOne || cm == PositionDiagram ||
12473 cm == PGNTag || cm == Comment)
12476 } else if (cm == GNUChessGame) {
12477 if (gameInfo.event != NULL) {
12478 free(gameInfo.event);
12480 gameInfo.event = StrSave(yy_text);
12483 startedFromSetupPosition = FALSE;
12484 while (cm == PGNTag) {
12485 if (appData.debugMode)
12486 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12487 err = ParsePGNTag(yy_text, &gameInfo);
12488 if (!err) numPGNTags++;
12490 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12491 if(gameInfo.variant != oldVariant) {
12492 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12493 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12494 InitPosition(TRUE);
12495 oldVariant = gameInfo.variant;
12496 if (appData.debugMode)
12497 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12501 if (gameInfo.fen != NULL) {
12502 Board initial_position;
12503 startedFromSetupPosition = TRUE;
12504 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
12506 DisplayError(_("Bad FEN position in file"), 0);
12509 CopyBoard(boards[0], initial_position);
12510 if (blackPlaysFirst) {
12511 currentMove = forwardMostMove = backwardMostMove = 1;
12512 CopyBoard(boards[1], initial_position);
12513 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12514 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12515 timeRemaining[0][1] = whiteTimeRemaining;
12516 timeRemaining[1][1] = blackTimeRemaining;
12517 if (commentList[0] != NULL) {
12518 commentList[1] = commentList[0];
12519 commentList[0] = NULL;
12522 currentMove = forwardMostMove = backwardMostMove = 0;
12524 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12526 initialRulePlies = FENrulePlies;
12527 for( i=0; i< nrCastlingRights; i++ )
12528 initialRights[i] = initial_position[CASTLING][i];
12530 yyboardindex = forwardMostMove;
12531 free(gameInfo.fen);
12532 gameInfo.fen = NULL;
12535 yyboardindex = forwardMostMove;
12536 cm = (ChessMove) Myylex();
12538 /* Handle comments interspersed among the tags */
12539 while (cm == Comment) {
12541 if (appData.debugMode)
12542 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12544 AppendComment(currentMove, p, FALSE);
12545 yyboardindex = forwardMostMove;
12546 cm = (ChessMove) Myylex();
12550 /* don't rely on existence of Event tag since if game was
12551 * pasted from clipboard the Event tag may not exist
12553 if (numPGNTags > 0){
12555 if (gameInfo.variant == VariantNormal) {
12556 VariantClass v = StringToVariant(gameInfo.event);
12557 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12558 if(v < VariantShogi) gameInfo.variant = v;
12561 if( appData.autoDisplayTags ) {
12562 tags = PGNTags(&gameInfo);
12563 TagsPopUp(tags, CmailMsg());
12568 /* Make something up, but don't display it now */
12573 if (cm == PositionDiagram) {
12576 Board initial_position;
12578 if (appData.debugMode)
12579 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12581 if (!startedFromSetupPosition) {
12583 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12584 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12595 initial_position[i][j++] = CharToPiece(*p);
12598 while (*p == ' ' || *p == '\t' ||
12599 *p == '\n' || *p == '\r') p++;
12601 if (strncmp(p, "black", strlen("black"))==0)
12602 blackPlaysFirst = TRUE;
12604 blackPlaysFirst = FALSE;
12605 startedFromSetupPosition = TRUE;
12607 CopyBoard(boards[0], initial_position);
12608 if (blackPlaysFirst) {
12609 currentMove = forwardMostMove = backwardMostMove = 1;
12610 CopyBoard(boards[1], initial_position);
12611 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12612 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12613 timeRemaining[0][1] = whiteTimeRemaining;
12614 timeRemaining[1][1] = blackTimeRemaining;
12615 if (commentList[0] != NULL) {
12616 commentList[1] = commentList[0];
12617 commentList[0] = NULL;
12620 currentMove = forwardMostMove = backwardMostMove = 0;
12623 yyboardindex = forwardMostMove;
12624 cm = (ChessMove) Myylex();
12627 if(!creatingBook) {
12628 if (first.pr == NoProc) {
12629 StartChessProgram(&first);
12631 InitChessProgram(&first, FALSE);
12632 SendToProgram("force\n", &first);
12633 if (startedFromSetupPosition) {
12634 SendBoard(&first, forwardMostMove);
12635 if (appData.debugMode) {
12636 fprintf(debugFP, "Load Game\n");
12638 DisplayBothClocks();
12642 /* [HGM] server: flag to write setup moves in broadcast file as one */
12643 loadFlag = appData.suppressLoadMoves;
12645 while (cm == Comment) {
12647 if (appData.debugMode)
12648 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12650 AppendComment(currentMove, p, FALSE);
12651 yyboardindex = forwardMostMove;
12652 cm = (ChessMove) Myylex();
12655 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12656 cm == WhiteWins || cm == BlackWins ||
12657 cm == GameIsDrawn || cm == GameUnfinished) {
12658 DisplayMessage("", _("No moves in game"));
12659 if (cmailMsgLoaded) {
12660 if (appData.debugMode)
12661 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12665 DrawPosition(FALSE, boards[currentMove]);
12666 DisplayBothClocks();
12667 gameMode = EditGame;
12674 // [HGM] PV info: routine tests if comment empty
12675 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12676 DisplayComment(currentMove - 1, commentList[currentMove]);
12678 if (!matchMode && appData.timeDelay != 0)
12679 DrawPosition(FALSE, boards[currentMove]);
12681 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12682 programStats.ok_to_send = 1;
12685 /* if the first token after the PGN tags is a move
12686 * and not move number 1, retrieve it from the parser
12688 if (cm != MoveNumberOne)
12689 LoadGameOneMove(cm);
12691 /* load the remaining moves from the file */
12692 while (LoadGameOneMove(EndOfFile)) {
12693 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12694 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12697 /* rewind to the start of the game */
12698 currentMove = backwardMostMove;
12700 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12702 if (oldGameMode == AnalyzeFile) {
12703 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12704 AnalyzeFileEvent();
12706 if (oldGameMode == AnalyzeMode) {
12707 AnalyzeFileEvent();
12710 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
12711 long int w, b; // [HGM] adjourn: restore saved clock times
12712 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
12713 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
12714 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
12715 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
12719 if(creatingBook) return TRUE;
12720 if (!matchMode && pos > 0) {
12721 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12723 if (matchMode || appData.timeDelay == 0) {
12725 } else if (appData.timeDelay > 0) {
12726 AutoPlayGameLoop();
12729 if (appData.debugMode)
12730 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12732 loadFlag = 0; /* [HGM] true game starts */
12736 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12738 ReloadPosition (int offset)
12740 int positionNumber = lastLoadPositionNumber + offset;
12741 if (lastLoadPositionFP == NULL) {
12742 DisplayError(_("No position has been loaded yet"), 0);
12745 if (positionNumber <= 0) {
12746 DisplayError(_("Can't back up any further"), 0);
12749 return LoadPosition(lastLoadPositionFP, positionNumber,
12750 lastLoadPositionTitle);
12753 /* Load the nth position from the given file */
12755 LoadPositionFromFile (char *filename, int n, char *title)
12760 if (strcmp(filename, "-") == 0) {
12761 return LoadPosition(stdin, n, "stdin");
12763 f = fopen(filename, "rb");
12765 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12766 DisplayError(buf, errno);
12769 return LoadPosition(f, n, title);
12774 /* Load the nth position from the given open file, and close it */
12776 LoadPosition (FILE *f, int positionNumber, char *title)
12778 char *p, line[MSG_SIZ];
12779 Board initial_position;
12780 int i, j, fenMode, pn;
12782 if (gameMode == Training )
12783 SetTrainingModeOff();
12785 if (gameMode != BeginningOfGame) {
12786 Reset(FALSE, TRUE);
12788 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12789 fclose(lastLoadPositionFP);
12791 if (positionNumber == 0) positionNumber = 1;
12792 lastLoadPositionFP = f;
12793 lastLoadPositionNumber = positionNumber;
12794 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12795 if (first.pr == NoProc && !appData.noChessProgram) {
12796 StartChessProgram(&first);
12797 InitChessProgram(&first, FALSE);
12799 pn = positionNumber;
12800 if (positionNumber < 0) {
12801 /* Negative position number means to seek to that byte offset */
12802 if (fseek(f, -positionNumber, 0) == -1) {
12803 DisplayError(_("Can't seek on position file"), 0);
12808 if (fseek(f, 0, 0) == -1) {
12809 if (f == lastLoadPositionFP ?
12810 positionNumber == lastLoadPositionNumber + 1 :
12811 positionNumber == 1) {
12814 DisplayError(_("Can't seek on position file"), 0);
12819 /* See if this file is FEN or old-style xboard */
12820 if (fgets(line, MSG_SIZ, f) == NULL) {
12821 DisplayError(_("Position not found in file"), 0);
12824 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12825 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12828 if (fenMode || line[0] == '#') pn--;
12830 /* skip positions before number pn */
12831 if (fgets(line, MSG_SIZ, f) == NULL) {
12833 DisplayError(_("Position not found in file"), 0);
12836 if (fenMode || line[0] == '#') pn--;
12841 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
12842 DisplayError(_("Bad FEN position in file"), 0);
12846 (void) fgets(line, MSG_SIZ, f);
12847 (void) fgets(line, MSG_SIZ, f);
12849 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12850 (void) fgets(line, MSG_SIZ, f);
12851 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12854 initial_position[i][j++] = CharToPiece(*p);
12858 blackPlaysFirst = FALSE;
12860 (void) fgets(line, MSG_SIZ, f);
12861 if (strncmp(line, "black", strlen("black"))==0)
12862 blackPlaysFirst = TRUE;
12865 startedFromSetupPosition = TRUE;
12867 CopyBoard(boards[0], initial_position);
12868 if (blackPlaysFirst) {
12869 currentMove = forwardMostMove = backwardMostMove = 1;
12870 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12871 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12872 CopyBoard(boards[1], initial_position);
12873 DisplayMessage("", _("Black to play"));
12875 currentMove = forwardMostMove = backwardMostMove = 0;
12876 DisplayMessage("", _("White to play"));
12878 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12879 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12880 SendToProgram("force\n", &first);
12881 SendBoard(&first, forwardMostMove);
12883 if (appData.debugMode) {
12885 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12886 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12887 fprintf(debugFP, "Load Position\n");
12890 if (positionNumber > 1) {
12891 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12892 DisplayTitle(line);
12894 DisplayTitle(title);
12896 gameMode = EditGame;
12899 timeRemaining[0][1] = whiteTimeRemaining;
12900 timeRemaining[1][1] = blackTimeRemaining;
12901 DrawPosition(FALSE, boards[currentMove]);
12908 CopyPlayerNameIntoFileName (char **dest, char *src)
12910 while (*src != NULLCHAR && *src != ',') {
12915 *(*dest)++ = *src++;
12921 DefaultFileName (char *ext)
12923 static char def[MSG_SIZ];
12926 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12928 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12930 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12932 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12939 /* Save the current game to the given file */
12941 SaveGameToFile (char *filename, int append)
12945 int result, i, t,tot=0;
12947 if (strcmp(filename, "-") == 0) {
12948 return SaveGame(stdout, 0, NULL);
12950 for(i=0; i<10; i++) { // upto 10 tries
12951 f = fopen(filename, append ? "a" : "w");
12952 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12953 if(f || errno != 13) break;
12954 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12958 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12959 DisplayError(buf, errno);
12962 safeStrCpy(buf, lastMsg, MSG_SIZ);
12963 DisplayMessage(_("Waiting for access to save file"), "");
12964 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12965 DisplayMessage(_("Saving game"), "");
12966 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12967 result = SaveGame(f, 0, NULL);
12968 DisplayMessage(buf, "");
12975 SavePart (char *str)
12977 static char buf[MSG_SIZ];
12980 p = strchr(str, ' ');
12981 if (p == NULL) return str;
12982 strncpy(buf, str, p - str);
12983 buf[p - str] = NULLCHAR;
12987 #define PGN_MAX_LINE 75
12989 #define PGN_SIDE_WHITE 0
12990 #define PGN_SIDE_BLACK 1
12993 FindFirstMoveOutOfBook (int side)
12997 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12998 int index = backwardMostMove;
12999 int has_book_hit = 0;
13001 if( (index % 2) != side ) {
13005 while( index < forwardMostMove ) {
13006 /* Check to see if engine is in book */
13007 int depth = pvInfoList[index].depth;
13008 int score = pvInfoList[index].score;
13014 else if( score == 0 && depth == 63 ) {
13015 in_book = 1; /* Zappa */
13017 else if( score == 2 && depth == 99 ) {
13018 in_book = 1; /* Abrok */
13021 has_book_hit += in_book;
13037 GetOutOfBookInfo (char * buf)
13041 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13043 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13044 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13048 if( oob[0] >= 0 || oob[1] >= 0 ) {
13049 for( i=0; i<2; i++ ) {
13053 if( i > 0 && oob[0] >= 0 ) {
13054 strcat( buf, " " );
13057 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13058 sprintf( buf+strlen(buf), "%s%.2f",
13059 pvInfoList[idx].score >= 0 ? "+" : "",
13060 pvInfoList[idx].score / 100.0 );
13066 /* Save game in PGN style and close the file */
13068 SaveGamePGN (FILE *f)
13070 int i, offset, linelen, newblock;
13073 int movelen, numlen, blank;
13074 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13076 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13078 PrintPGNTags(f, &gameInfo);
13080 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13082 if (backwardMostMove > 0 || startedFromSetupPosition) {
13083 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13084 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13085 fprintf(f, "\n{--------------\n");
13086 PrintPosition(f, backwardMostMove);
13087 fprintf(f, "--------------}\n");
13091 /* [AS] Out of book annotation */
13092 if( appData.saveOutOfBookInfo ) {
13095 GetOutOfBookInfo( buf );
13097 if( buf[0] != '\0' ) {
13098 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13105 i = backwardMostMove;
13109 while (i < forwardMostMove) {
13110 /* Print comments preceding this move */
13111 if (commentList[i] != NULL) {
13112 if (linelen > 0) fprintf(f, "\n");
13113 fprintf(f, "%s", commentList[i]);
13118 /* Format move number */
13120 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13123 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13125 numtext[0] = NULLCHAR;
13127 numlen = strlen(numtext);
13130 /* Print move number */
13131 blank = linelen > 0 && numlen > 0;
13132 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13141 fprintf(f, "%s", numtext);
13145 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13146 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13149 blank = linelen > 0 && movelen > 0;
13150 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13159 fprintf(f, "%s", move_buffer);
13160 linelen += movelen;
13162 /* [AS] Add PV info if present */
13163 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13164 /* [HGM] add time */
13165 char buf[MSG_SIZ]; int seconds;
13167 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13173 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13176 seconds = (seconds + 4)/10; // round to full seconds
13178 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13180 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13183 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13184 pvInfoList[i].score >= 0 ? "+" : "",
13185 pvInfoList[i].score / 100.0,
13186 pvInfoList[i].depth,
13189 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13191 /* Print score/depth */
13192 blank = linelen > 0 && movelen > 0;
13193 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13202 fprintf(f, "%s", move_buffer);
13203 linelen += movelen;
13209 /* Start a new line */
13210 if (linelen > 0) fprintf(f, "\n");
13212 /* Print comments after last move */
13213 if (commentList[i] != NULL) {
13214 fprintf(f, "%s\n", commentList[i]);
13218 if (gameInfo.resultDetails != NULL &&
13219 gameInfo.resultDetails[0] != NULLCHAR) {
13220 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13221 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13222 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13223 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13224 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13226 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13230 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13234 /* Save game in old style and close the file */
13236 SaveGameOldStyle (FILE *f)
13241 tm = time((time_t *) NULL);
13243 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13246 if (backwardMostMove > 0 || startedFromSetupPosition) {
13247 fprintf(f, "\n[--------------\n");
13248 PrintPosition(f, backwardMostMove);
13249 fprintf(f, "--------------]\n");
13254 i = backwardMostMove;
13255 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13257 while (i < forwardMostMove) {
13258 if (commentList[i] != NULL) {
13259 fprintf(f, "[%s]\n", commentList[i]);
13262 if ((i % 2) == 1) {
13263 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13266 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13268 if (commentList[i] != NULL) {
13272 if (i >= forwardMostMove) {
13276 fprintf(f, "%s\n", parseList[i]);
13281 if (commentList[i] != NULL) {
13282 fprintf(f, "[%s]\n", commentList[i]);
13285 /* This isn't really the old style, but it's close enough */
13286 if (gameInfo.resultDetails != NULL &&
13287 gameInfo.resultDetails[0] != NULLCHAR) {
13288 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13289 gameInfo.resultDetails);
13291 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13298 /* Save the current game to open file f and close the file */
13300 SaveGame (FILE *f, int dummy, char *dummy2)
13302 if (gameMode == EditPosition) EditPositionDone(TRUE);
13303 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13304 if (appData.oldSaveStyle)
13305 return SaveGameOldStyle(f);
13307 return SaveGamePGN(f);
13310 /* Save the current position to the given file */
13312 SavePositionToFile (char *filename)
13317 if (strcmp(filename, "-") == 0) {
13318 return SavePosition(stdout, 0, NULL);
13320 f = fopen(filename, "a");
13322 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13323 DisplayError(buf, errno);
13326 safeStrCpy(buf, lastMsg, MSG_SIZ);
13327 DisplayMessage(_("Waiting for access to save file"), "");
13328 flock(fileno(f), LOCK_EX); // [HGM] lock
13329 DisplayMessage(_("Saving position"), "");
13330 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13331 SavePosition(f, 0, NULL);
13332 DisplayMessage(buf, "");
13338 /* Save the current position to the given open file and close the file */
13340 SavePosition (FILE *f, int dummy, char *dummy2)
13345 if (gameMode == EditPosition) EditPositionDone(TRUE);
13346 if (appData.oldSaveStyle) {
13347 tm = time((time_t *) NULL);
13349 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13351 fprintf(f, "[--------------\n");
13352 PrintPosition(f, currentMove);
13353 fprintf(f, "--------------]\n");
13355 fen = PositionToFEN(currentMove, NULL, 1);
13356 fprintf(f, "%s\n", fen);
13364 ReloadCmailMsgEvent (int unregister)
13367 static char *inFilename = NULL;
13368 static char *outFilename;
13370 struct stat inbuf, outbuf;
13373 /* Any registered moves are unregistered if unregister is set, */
13374 /* i.e. invoked by the signal handler */
13376 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13377 cmailMoveRegistered[i] = FALSE;
13378 if (cmailCommentList[i] != NULL) {
13379 free(cmailCommentList[i]);
13380 cmailCommentList[i] = NULL;
13383 nCmailMovesRegistered = 0;
13386 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13387 cmailResult[i] = CMAIL_NOT_RESULT;
13391 if (inFilename == NULL) {
13392 /* Because the filenames are static they only get malloced once */
13393 /* and they never get freed */
13394 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13395 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13397 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13398 sprintf(outFilename, "%s.out", appData.cmailGameName);
13401 status = stat(outFilename, &outbuf);
13403 cmailMailedMove = FALSE;
13405 status = stat(inFilename, &inbuf);
13406 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13409 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13410 counts the games, notes how each one terminated, etc.
13412 It would be nice to remove this kludge and instead gather all
13413 the information while building the game list. (And to keep it
13414 in the game list nodes instead of having a bunch of fixed-size
13415 parallel arrays.) Note this will require getting each game's
13416 termination from the PGN tags, as the game list builder does
13417 not process the game moves. --mann
13419 cmailMsgLoaded = TRUE;
13420 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13422 /* Load first game in the file or popup game menu */
13423 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13425 #endif /* !WIN32 */
13433 char string[MSG_SIZ];
13435 if ( cmailMailedMove
13436 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13437 return TRUE; /* Allow free viewing */
13440 /* Unregister move to ensure that we don't leave RegisterMove */
13441 /* with the move registered when the conditions for registering no */
13443 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13444 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13445 nCmailMovesRegistered --;
13447 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13449 free(cmailCommentList[lastLoadGameNumber - 1]);
13450 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13454 if (cmailOldMove == -1) {
13455 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13459 if (currentMove > cmailOldMove + 1) {
13460 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13464 if (currentMove < cmailOldMove) {
13465 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13469 if (forwardMostMove > currentMove) {
13470 /* Silently truncate extra moves */
13474 if ( (currentMove == cmailOldMove + 1)
13475 || ( (currentMove == cmailOldMove)
13476 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13477 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13478 if (gameInfo.result != GameUnfinished) {
13479 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13482 if (commentList[currentMove] != NULL) {
13483 cmailCommentList[lastLoadGameNumber - 1]
13484 = StrSave(commentList[currentMove]);
13486 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13488 if (appData.debugMode)
13489 fprintf(debugFP, "Saving %s for game %d\n",
13490 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13492 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13494 f = fopen(string, "w");
13495 if (appData.oldSaveStyle) {
13496 SaveGameOldStyle(f); /* also closes the file */
13498 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13499 f = fopen(string, "w");
13500 SavePosition(f, 0, NULL); /* also closes the file */
13502 fprintf(f, "{--------------\n");
13503 PrintPosition(f, currentMove);
13504 fprintf(f, "--------------}\n\n");
13506 SaveGame(f, 0, NULL); /* also closes the file*/
13509 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13510 nCmailMovesRegistered ++;
13511 } else if (nCmailGames == 1) {
13512 DisplayError(_("You have not made a move yet"), 0);
13523 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13524 FILE *commandOutput;
13525 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13526 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13532 if (! cmailMsgLoaded) {
13533 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13537 if (nCmailGames == nCmailResults) {
13538 DisplayError(_("No unfinished games"), 0);
13542 #if CMAIL_PROHIBIT_REMAIL
13543 if (cmailMailedMove) {
13544 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);
13545 DisplayError(msg, 0);
13550 if (! (cmailMailedMove || RegisterMove())) return;
13552 if ( cmailMailedMove
13553 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13554 snprintf(string, MSG_SIZ, partCommandString,
13555 appData.debugMode ? " -v" : "", appData.cmailGameName);
13556 commandOutput = popen(string, "r");
13558 if (commandOutput == NULL) {
13559 DisplayError(_("Failed to invoke cmail"), 0);
13561 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13562 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13564 if (nBuffers > 1) {
13565 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13566 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13567 nBytes = MSG_SIZ - 1;
13569 (void) memcpy(msg, buffer, nBytes);
13571 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13573 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13574 cmailMailedMove = TRUE; /* Prevent >1 moves */
13577 for (i = 0; i < nCmailGames; i ++) {
13578 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13583 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13585 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13587 appData.cmailGameName,
13589 LoadGameFromFile(buffer, 1, buffer, FALSE);
13590 cmailMsgLoaded = FALSE;
13594 DisplayInformation(msg);
13595 pclose(commandOutput);
13598 if ((*cmailMsg) != '\0') {
13599 DisplayInformation(cmailMsg);
13604 #endif /* !WIN32 */
13613 int prependComma = 0;
13615 char string[MSG_SIZ]; /* Space for game-list */
13618 if (!cmailMsgLoaded) return "";
13620 if (cmailMailedMove) {
13621 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13623 /* Create a list of games left */
13624 snprintf(string, MSG_SIZ, "[");
13625 for (i = 0; i < nCmailGames; i ++) {
13626 if (! ( cmailMoveRegistered[i]
13627 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13628 if (prependComma) {
13629 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13631 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13635 strcat(string, number);
13638 strcat(string, "]");
13640 if (nCmailMovesRegistered + nCmailResults == 0) {
13641 switch (nCmailGames) {
13643 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13647 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13651 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13656 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13658 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13663 if (nCmailResults == nCmailGames) {
13664 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13666 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13671 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13683 if (gameMode == Training)
13684 SetTrainingModeOff();
13687 cmailMsgLoaded = FALSE;
13688 if (appData.icsActive) {
13689 SendToICS(ics_prefix);
13690 SendToICS("refresh\n");
13695 ExitEvent (int status)
13699 /* Give up on clean exit */
13703 /* Keep trying for clean exit */
13707 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13709 if (telnetISR != NULL) {
13710 RemoveInputSource(telnetISR);
13712 if (icsPR != NoProc) {
13713 DestroyChildProcess(icsPR, TRUE);
13716 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13717 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13719 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13720 /* make sure this other one finishes before killing it! */
13721 if(endingGame) { int count = 0;
13722 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13723 while(endingGame && count++ < 10) DoSleep(1);
13724 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13727 /* Kill off chess programs */
13728 if (first.pr != NoProc) {
13731 DoSleep( appData.delayBeforeQuit );
13732 SendToProgram("quit\n", &first);
13733 DoSleep( appData.delayAfterQuit );
13734 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13736 if (second.pr != NoProc) {
13737 DoSleep( appData.delayBeforeQuit );
13738 SendToProgram("quit\n", &second);
13739 DoSleep( appData.delayAfterQuit );
13740 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13742 if (first.isr != NULL) {
13743 RemoveInputSource(first.isr);
13745 if (second.isr != NULL) {
13746 RemoveInputSource(second.isr);
13749 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13750 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13752 ShutDownFrontEnd();
13757 PauseEngine (ChessProgramState *cps)
13759 SendToProgram("pause\n", cps);
13764 UnPauseEngine (ChessProgramState *cps)
13766 SendToProgram("resume\n", cps);
13773 if (appData.debugMode)
13774 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13778 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
13780 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
13781 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
13782 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
13784 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
13785 HandleMachineMove(stashedInputMove, stalledEngine);
13786 stalledEngine = NULL;
13789 if (gameMode == MachinePlaysWhite ||
13790 gameMode == TwoMachinesPlay ||
13791 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
13792 if(first.pause) UnPauseEngine(&first);
13793 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
13794 if(second.pause) UnPauseEngine(&second);
13795 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
13798 DisplayBothClocks();
13800 if (gameMode == PlayFromGameFile) {
13801 if (appData.timeDelay >= 0)
13802 AutoPlayGameLoop();
13803 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13804 Reset(FALSE, TRUE);
13805 SendToICS(ics_prefix);
13806 SendToICS("refresh\n");
13807 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
13808 ForwardInner(forwardMostMove);
13810 pauseExamInvalid = FALSE;
13812 switch (gameMode) {
13816 pauseExamForwardMostMove = forwardMostMove;
13817 pauseExamInvalid = FALSE;
13820 case IcsPlayingWhite:
13821 case IcsPlayingBlack:
13825 case PlayFromGameFile:
13826 (void) StopLoadGameTimer();
13830 case BeginningOfGame:
13831 if (appData.icsActive) return;
13832 /* else fall through */
13833 case MachinePlaysWhite:
13834 case MachinePlaysBlack:
13835 case TwoMachinesPlay:
13836 if (forwardMostMove == 0)
13837 return; /* don't pause if no one has moved */
13838 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
13839 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
13840 if(onMove->pause) { // thinking engine can be paused
13841 PauseEngine(onMove); // do it
13842 if(onMove->other->pause) // pondering opponent can always be paused immediately
13843 PauseEngine(onMove->other);
13845 SendToProgram("easy\n", onMove->other);
13847 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
13848 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
13850 PauseEngine(&first);
13852 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
13853 } else { // human on move, pause pondering by either method
13855 PauseEngine(&first);
13856 else if(appData.ponderNextMove)
13857 SendToProgram("easy\n", &first);
13860 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
13870 EditCommentEvent ()
13872 char title[MSG_SIZ];
13874 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13875 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13877 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13878 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13879 parseList[currentMove - 1]);
13882 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13889 char *tags = PGNTags(&gameInfo);
13891 EditTagsPopUp(tags, NULL);
13898 if(second.analyzing) {
13899 SendToProgram("exit\n", &second);
13900 second.analyzing = FALSE;
13902 if (second.pr == NoProc) StartChessProgram(&second);
13903 InitChessProgram(&second, FALSE);
13904 FeedMovesToProgram(&second, currentMove);
13906 SendToProgram("analyze\n", &second);
13907 second.analyzing = TRUE;
13911 /* Toggle ShowThinking */
13913 ToggleShowThinking()
13915 appData.showThinking = !appData.showThinking;
13916 ShowThinkingEvent();
13920 AnalyzeModeEvent ()
13924 if (!first.analysisSupport) {
13925 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13926 DisplayError(buf, 0);
13929 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
13930 if (appData.icsActive) {
13931 if (gameMode != IcsObserving) {
13932 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
13933 DisplayError(buf, 0);
13935 if (appData.icsEngineAnalyze) {
13936 if (appData.debugMode)
13937 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
13943 /* if enable, user wants to disable icsEngineAnalyze */
13944 if (appData.icsEngineAnalyze) {
13949 appData.icsEngineAnalyze = TRUE;
13950 if (appData.debugMode)
13951 fprintf(debugFP, "ICS engine analyze starting... \n");
13954 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
13955 if (appData.noChessProgram || gameMode == AnalyzeMode)
13958 if (gameMode != AnalyzeFile) {
13959 if (!appData.icsEngineAnalyze) {
13961 if (gameMode != EditGame) return 0;
13963 if (!appData.showThinking) ToggleShowThinking();
13964 ResurrectChessProgram();
13965 SendToProgram("analyze\n", &first);
13966 first.analyzing = TRUE;
13967 /*first.maybeThinking = TRUE;*/
13968 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13969 EngineOutputPopUp();
13971 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13976 StartAnalysisClock();
13977 GetTimeMark(&lastNodeCountTime);
13983 AnalyzeFileEvent ()
13985 if (appData.noChessProgram || gameMode == AnalyzeFile)
13988 if (!first.analysisSupport) {
13990 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13991 DisplayError(buf, 0);
13995 if (gameMode != AnalyzeMode) {
13996 keepInfo = 1; // mere annotating should not alter PGN tags
13999 if (gameMode != EditGame) return;
14000 if (!appData.showThinking) ToggleShowThinking();
14001 ResurrectChessProgram();
14002 SendToProgram("analyze\n", &first);
14003 first.analyzing = TRUE;
14004 /*first.maybeThinking = TRUE;*/
14005 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14006 EngineOutputPopUp();
14008 gameMode = AnalyzeFile;
14012 StartAnalysisClock();
14013 GetTimeMark(&lastNodeCountTime);
14015 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14016 AnalysisPeriodicEvent(1);
14020 MachineWhiteEvent ()
14023 char *bookHit = NULL;
14025 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14029 if (gameMode == PlayFromGameFile ||
14030 gameMode == TwoMachinesPlay ||
14031 gameMode == Training ||
14032 gameMode == AnalyzeMode ||
14033 gameMode == EndOfGame)
14036 if (gameMode == EditPosition)
14037 EditPositionDone(TRUE);
14039 if (!WhiteOnMove(currentMove)) {
14040 DisplayError(_("It is not White's turn"), 0);
14044 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14047 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14048 gameMode == AnalyzeFile)
14051 ResurrectChessProgram(); /* in case it isn't running */
14052 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14053 gameMode = MachinePlaysWhite;
14056 gameMode = MachinePlaysWhite;
14060 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14062 if (first.sendName) {
14063 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14064 SendToProgram(buf, &first);
14066 if (first.sendTime) {
14067 if (first.useColors) {
14068 SendToProgram("black\n", &first); /*gnu kludge*/
14070 SendTimeRemaining(&first, TRUE);
14072 if (first.useColors) {
14073 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14075 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14076 SetMachineThinkingEnables();
14077 first.maybeThinking = TRUE;
14081 if (appData.autoFlipView && !flipView) {
14082 flipView = !flipView;
14083 DrawPosition(FALSE, NULL);
14084 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14087 if(bookHit) { // [HGM] book: simulate book reply
14088 static char bookMove[MSG_SIZ]; // a bit generous?
14090 programStats.nodes = programStats.depth = programStats.time =
14091 programStats.score = programStats.got_only_move = 0;
14092 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14094 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14095 strcat(bookMove, bookHit);
14096 HandleMachineMove(bookMove, &first);
14101 MachineBlackEvent ()
14104 char *bookHit = NULL;
14106 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14110 if (gameMode == PlayFromGameFile ||
14111 gameMode == TwoMachinesPlay ||
14112 gameMode == Training ||
14113 gameMode == AnalyzeMode ||
14114 gameMode == EndOfGame)
14117 if (gameMode == EditPosition)
14118 EditPositionDone(TRUE);
14120 if (WhiteOnMove(currentMove)) {
14121 DisplayError(_("It is not Black's turn"), 0);
14125 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14128 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14129 gameMode == AnalyzeFile)
14132 ResurrectChessProgram(); /* in case it isn't running */
14133 gameMode = MachinePlaysBlack;
14137 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14139 if (first.sendName) {
14140 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14141 SendToProgram(buf, &first);
14143 if (first.sendTime) {
14144 if (first.useColors) {
14145 SendToProgram("white\n", &first); /*gnu kludge*/
14147 SendTimeRemaining(&first, FALSE);
14149 if (first.useColors) {
14150 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14152 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14153 SetMachineThinkingEnables();
14154 first.maybeThinking = TRUE;
14157 if (appData.autoFlipView && flipView) {
14158 flipView = !flipView;
14159 DrawPosition(FALSE, NULL);
14160 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14162 if(bookHit) { // [HGM] book: simulate book reply
14163 static char bookMove[MSG_SIZ]; // a bit generous?
14165 programStats.nodes = programStats.depth = programStats.time =
14166 programStats.score = programStats.got_only_move = 0;
14167 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14169 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14170 strcat(bookMove, bookHit);
14171 HandleMachineMove(bookMove, &first);
14177 DisplayTwoMachinesTitle ()
14180 if (appData.matchGames > 0) {
14181 if(appData.tourneyFile[0]) {
14182 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14183 gameInfo.white, _("vs."), gameInfo.black,
14184 nextGame+1, appData.matchGames+1,
14185 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14187 if (first.twoMachinesColor[0] == 'w') {
14188 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14189 gameInfo.white, _("vs."), gameInfo.black,
14190 first.matchWins, second.matchWins,
14191 matchGame - 1 - (first.matchWins + second.matchWins));
14193 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14194 gameInfo.white, _("vs."), gameInfo.black,
14195 second.matchWins, first.matchWins,
14196 matchGame - 1 - (first.matchWins + second.matchWins));
14199 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14205 SettingsMenuIfReady ()
14207 if (second.lastPing != second.lastPong) {
14208 DisplayMessage("", _("Waiting for second chess program"));
14209 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14213 DisplayMessage("", "");
14214 SettingsPopUp(&second);
14218 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14221 if (cps->pr == NoProc) {
14222 StartChessProgram(cps);
14223 if (cps->protocolVersion == 1) {
14225 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14227 /* kludge: allow timeout for initial "feature" command */
14228 if(retry != TwoMachinesEventIfReady) FreezeUI();
14229 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14230 DisplayMessage("", buf);
14231 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14239 TwoMachinesEvent P((void))
14243 ChessProgramState *onmove;
14244 char *bookHit = NULL;
14245 static int stalling = 0;
14249 if (appData.noChessProgram) return;
14251 switch (gameMode) {
14252 case TwoMachinesPlay:
14254 case MachinePlaysWhite:
14255 case MachinePlaysBlack:
14256 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14257 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14261 case BeginningOfGame:
14262 case PlayFromGameFile:
14265 if (gameMode != EditGame) return;
14268 EditPositionDone(TRUE);
14279 // forwardMostMove = currentMove;
14280 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14281 startingEngine = TRUE;
14283 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14285 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14286 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14287 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14290 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14292 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
14293 startingEngine = FALSE;
14294 DisplayError("second engine does not play this", 0);
14299 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14300 SendToProgram("force\n", &second);
14302 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14305 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14306 if(appData.matchPause>10000 || appData.matchPause<10)
14307 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14308 wait = SubtractTimeMarks(&now, &pauseStart);
14309 if(wait < appData.matchPause) {
14310 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14313 // we are now committed to starting the game
14315 DisplayMessage("", "");
14316 if (startedFromSetupPosition) {
14317 SendBoard(&second, backwardMostMove);
14318 if (appData.debugMode) {
14319 fprintf(debugFP, "Two Machines\n");
14322 for (i = backwardMostMove; i < forwardMostMove; i++) {
14323 SendMoveToProgram(i, &second);
14326 gameMode = TwoMachinesPlay;
14327 pausing = startingEngine = FALSE;
14328 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14330 DisplayTwoMachinesTitle();
14332 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14337 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14338 SendToProgram(first.computerString, &first);
14339 if (first.sendName) {
14340 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14341 SendToProgram(buf, &first);
14343 SendToProgram(second.computerString, &second);
14344 if (second.sendName) {
14345 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14346 SendToProgram(buf, &second);
14350 if (!first.sendTime || !second.sendTime) {
14351 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14352 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14354 if (onmove->sendTime) {
14355 if (onmove->useColors) {
14356 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14358 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14360 if (onmove->useColors) {
14361 SendToProgram(onmove->twoMachinesColor, onmove);
14363 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14364 // SendToProgram("go\n", onmove);
14365 onmove->maybeThinking = TRUE;
14366 SetMachineThinkingEnables();
14370 if(bookHit) { // [HGM] book: simulate book reply
14371 static char bookMove[MSG_SIZ]; // a bit generous?
14373 programStats.nodes = programStats.depth = programStats.time =
14374 programStats.score = programStats.got_only_move = 0;
14375 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14377 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14378 strcat(bookMove, bookHit);
14379 savedMessage = bookMove; // args for deferred call
14380 savedState = onmove;
14381 ScheduleDelayedEvent(DeferredBookMove, 1);
14388 if (gameMode == Training) {
14389 SetTrainingModeOff();
14390 gameMode = PlayFromGameFile;
14391 DisplayMessage("", _("Training mode off"));
14393 gameMode = Training;
14394 animateTraining = appData.animate;
14396 /* make sure we are not already at the end of the game */
14397 if (currentMove < forwardMostMove) {
14398 SetTrainingModeOn();
14399 DisplayMessage("", _("Training mode on"));
14401 gameMode = PlayFromGameFile;
14402 DisplayError(_("Already at end of game"), 0);
14411 if (!appData.icsActive) return;
14412 switch (gameMode) {
14413 case IcsPlayingWhite:
14414 case IcsPlayingBlack:
14417 case BeginningOfGame:
14425 EditPositionDone(TRUE);
14438 gameMode = IcsIdle;
14448 switch (gameMode) {
14450 SetTrainingModeOff();
14452 case MachinePlaysWhite:
14453 case MachinePlaysBlack:
14454 case BeginningOfGame:
14455 SendToProgram("force\n", &first);
14456 SetUserThinkingEnables();
14458 case PlayFromGameFile:
14459 (void) StopLoadGameTimer();
14460 if (gameFileFP != NULL) {
14465 EditPositionDone(TRUE);
14470 SendToProgram("force\n", &first);
14472 case TwoMachinesPlay:
14473 GameEnds(EndOfFile, NULL, GE_PLAYER);
14474 ResurrectChessProgram();
14475 SetUserThinkingEnables();
14478 ResurrectChessProgram();
14480 case IcsPlayingBlack:
14481 case IcsPlayingWhite:
14482 DisplayError(_("Warning: You are still playing a game"), 0);
14485 DisplayError(_("Warning: You are still observing a game"), 0);
14488 DisplayError(_("Warning: You are still examining a game"), 0);
14499 first.offeredDraw = second.offeredDraw = 0;
14501 if (gameMode == PlayFromGameFile) {
14502 whiteTimeRemaining = timeRemaining[0][currentMove];
14503 blackTimeRemaining = timeRemaining[1][currentMove];
14507 if (gameMode == MachinePlaysWhite ||
14508 gameMode == MachinePlaysBlack ||
14509 gameMode == TwoMachinesPlay ||
14510 gameMode == EndOfGame) {
14511 i = forwardMostMove;
14512 while (i > currentMove) {
14513 SendToProgram("undo\n", &first);
14516 if(!adjustedClock) {
14517 whiteTimeRemaining = timeRemaining[0][currentMove];
14518 blackTimeRemaining = timeRemaining[1][currentMove];
14519 DisplayBothClocks();
14521 if (whiteFlag || blackFlag) {
14522 whiteFlag = blackFlag = 0;
14527 gameMode = EditGame;
14534 EditPositionEvent ()
14536 if (gameMode == EditPosition) {
14542 if (gameMode != EditGame) return;
14544 gameMode = EditPosition;
14547 if (currentMove > 0)
14548 CopyBoard(boards[0], boards[currentMove]);
14550 blackPlaysFirst = !WhiteOnMove(currentMove);
14552 currentMove = forwardMostMove = backwardMostMove = 0;
14553 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14555 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14561 /* [DM] icsEngineAnalyze - possible call from other functions */
14562 if (appData.icsEngineAnalyze) {
14563 appData.icsEngineAnalyze = FALSE;
14565 DisplayMessage("",_("Close ICS engine analyze..."));
14567 if (first.analysisSupport && first.analyzing) {
14568 SendToBoth("exit\n");
14569 first.analyzing = second.analyzing = FALSE;
14571 thinkOutput[0] = NULLCHAR;
14575 EditPositionDone (Boolean fakeRights)
14577 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14579 startedFromSetupPosition = TRUE;
14580 InitChessProgram(&first, FALSE);
14581 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14582 boards[0][EP_STATUS] = EP_NONE;
14583 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14584 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14585 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14586 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14587 } else boards[0][CASTLING][2] = NoRights;
14588 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14589 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14590 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14591 } else boards[0][CASTLING][5] = NoRights;
14592 if(gameInfo.variant == VariantSChess) {
14594 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14595 boards[0][VIRGIN][i] = 0;
14596 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14597 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14601 SendToProgram("force\n", &first);
14602 if (blackPlaysFirst) {
14603 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14604 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14605 currentMove = forwardMostMove = backwardMostMove = 1;
14606 CopyBoard(boards[1], boards[0]);
14608 currentMove = forwardMostMove = backwardMostMove = 0;
14610 SendBoard(&first, forwardMostMove);
14611 if (appData.debugMode) {
14612 fprintf(debugFP, "EditPosDone\n");
14615 DisplayMessage("", "");
14616 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14617 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14618 gameMode = EditGame;
14620 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14621 ClearHighlights(); /* [AS] */
14624 /* Pause for `ms' milliseconds */
14625 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14627 TimeDelay (long ms)
14634 } while (SubtractTimeMarks(&m2, &m1) < ms);
14637 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14639 SendMultiLineToICS (char *buf)
14641 char temp[MSG_SIZ+1], *p;
14648 strncpy(temp, buf, len);
14653 if (*p == '\n' || *p == '\r')
14658 strcat(temp, "\n");
14660 SendToPlayer(temp, strlen(temp));
14664 SetWhiteToPlayEvent ()
14666 if (gameMode == EditPosition) {
14667 blackPlaysFirst = FALSE;
14668 DisplayBothClocks(); /* works because currentMove is 0 */
14669 } else if (gameMode == IcsExamining) {
14670 SendToICS(ics_prefix);
14671 SendToICS("tomove white\n");
14676 SetBlackToPlayEvent ()
14678 if (gameMode == EditPosition) {
14679 blackPlaysFirst = TRUE;
14680 currentMove = 1; /* kludge */
14681 DisplayBothClocks();
14683 } else if (gameMode == IcsExamining) {
14684 SendToICS(ics_prefix);
14685 SendToICS("tomove black\n");
14690 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14693 ChessSquare piece = boards[0][y][x];
14694 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
14695 static int lastVariant;
14697 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14699 switch (selection) {
14701 CopyBoard(currentBoard, boards[0]);
14702 CopyBoard(menuBoard, initialPosition);
14703 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14704 SendToICS(ics_prefix);
14705 SendToICS("bsetup clear\n");
14706 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14707 SendToICS(ics_prefix);
14708 SendToICS("clearboard\n");
14711 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14712 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14713 for (y = 0; y < BOARD_HEIGHT; y++) {
14714 if (gameMode == IcsExamining) {
14715 if (boards[currentMove][y][x] != EmptySquare) {
14716 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14721 if(boards[0][y][x] != p) nonEmpty++;
14722 boards[0][y][x] = p;
14725 menuBoard[1][x] = menuBoard[BOARD_HEIGHT-2][x] = p;
14727 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
14728 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
14729 ChessSquare p = menuBoard[0][x];
14730 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[0][y] == p) menuBoard[0][y] = EmptySquare;
14731 p = menuBoard[BOARD_HEIGHT-1][x];
14732 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[BOARD_HEIGHT-1][y] == p) menuBoard[BOARD_HEIGHT-1][y] = EmptySquare;
14734 DisplayMessage("Clicking clock again restores position", "");
14735 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
14736 if(!nonEmpty) { // asked to clear an empty board
14737 CopyBoard(boards[0], menuBoard);
14739 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
14740 CopyBoard(boards[0], initialPosition);
14742 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
14743 && !CompareBoards(nullBoard, erasedBoard)) {
14744 CopyBoard(boards[0], erasedBoard);
14746 CopyBoard(erasedBoard, currentBoard);
14750 if (gameMode == EditPosition) {
14751 DrawPosition(FALSE, boards[0]);
14756 SetWhiteToPlayEvent();
14760 SetBlackToPlayEvent();
14764 if (gameMode == IcsExamining) {
14765 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14766 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14769 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14770 if(x == BOARD_LEFT-2) {
14771 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14772 boards[0][y][1] = 0;
14774 if(x == BOARD_RGHT+1) {
14775 if(y >= gameInfo.holdingsSize) break;
14776 boards[0][y][BOARD_WIDTH-2] = 0;
14779 boards[0][y][x] = EmptySquare;
14780 DrawPosition(FALSE, boards[0]);
14785 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14786 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14787 selection = (ChessSquare) (PROMOTED piece);
14788 } else if(piece == EmptySquare) selection = WhiteSilver;
14789 else selection = (ChessSquare)((int)piece - 1);
14793 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14794 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14795 selection = (ChessSquare) (DEMOTED piece);
14796 } else if(piece == EmptySquare) selection = BlackSilver;
14797 else selection = (ChessSquare)((int)piece + 1);
14802 if(gameInfo.variant == VariantShatranj ||
14803 gameInfo.variant == VariantXiangqi ||
14804 gameInfo.variant == VariantCourier ||
14805 gameInfo.variant == VariantASEAN ||
14806 gameInfo.variant == VariantMakruk )
14807 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14812 if(gameInfo.variant == VariantXiangqi)
14813 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14814 if(gameInfo.variant == VariantKnightmate)
14815 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14818 if (gameMode == IcsExamining) {
14819 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14820 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14821 PieceToChar(selection), AAA + x, ONE + y);
14824 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14826 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14827 n = PieceToNumber(selection - BlackPawn);
14828 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14829 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14830 boards[0][BOARD_HEIGHT-1-n][1]++;
14832 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14833 n = PieceToNumber(selection);
14834 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14835 boards[0][n][BOARD_WIDTH-1] = selection;
14836 boards[0][n][BOARD_WIDTH-2]++;
14839 boards[0][y][x] = selection;
14840 DrawPosition(TRUE, boards[0]);
14842 fromX = fromY = -1;
14850 DropMenuEvent (ChessSquare selection, int x, int y)
14852 ChessMove moveType;
14854 switch (gameMode) {
14855 case IcsPlayingWhite:
14856 case MachinePlaysBlack:
14857 if (!WhiteOnMove(currentMove)) {
14858 DisplayMoveError(_("It is Black's turn"));
14861 moveType = WhiteDrop;
14863 case IcsPlayingBlack:
14864 case MachinePlaysWhite:
14865 if (WhiteOnMove(currentMove)) {
14866 DisplayMoveError(_("It is White's turn"));
14869 moveType = BlackDrop;
14872 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14878 if (moveType == BlackDrop && selection < BlackPawn) {
14879 selection = (ChessSquare) ((int) selection
14880 + (int) BlackPawn - (int) WhitePawn);
14882 if (boards[currentMove][y][x] != EmptySquare) {
14883 DisplayMoveError(_("That square is occupied"));
14887 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14893 /* Accept a pending offer of any kind from opponent */
14895 if (appData.icsActive) {
14896 SendToICS(ics_prefix);
14897 SendToICS("accept\n");
14898 } else if (cmailMsgLoaded) {
14899 if (currentMove == cmailOldMove &&
14900 commentList[cmailOldMove] != NULL &&
14901 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14902 "Black offers a draw" : "White offers a draw")) {
14904 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14905 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14907 DisplayError(_("There is no pending offer on this move"), 0);
14908 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14911 /* Not used for offers from chess program */
14918 /* Decline a pending offer of any kind from opponent */
14920 if (appData.icsActive) {
14921 SendToICS(ics_prefix);
14922 SendToICS("decline\n");
14923 } else if (cmailMsgLoaded) {
14924 if (currentMove == cmailOldMove &&
14925 commentList[cmailOldMove] != NULL &&
14926 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14927 "Black offers a draw" : "White offers a draw")) {
14929 AppendComment(cmailOldMove, "Draw declined", TRUE);
14930 DisplayComment(cmailOldMove - 1, "Draw declined");
14933 DisplayError(_("There is no pending offer on this move"), 0);
14936 /* Not used for offers from chess program */
14943 /* Issue ICS rematch command */
14944 if (appData.icsActive) {
14945 SendToICS(ics_prefix);
14946 SendToICS("rematch\n");
14953 /* Call your opponent's flag (claim a win on time) */
14954 if (appData.icsActive) {
14955 SendToICS(ics_prefix);
14956 SendToICS("flag\n");
14958 switch (gameMode) {
14961 case MachinePlaysWhite:
14964 GameEnds(GameIsDrawn, "Both players ran out of time",
14967 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14969 DisplayError(_("Your opponent is not out of time"), 0);
14972 case MachinePlaysBlack:
14975 GameEnds(GameIsDrawn, "Both players ran out of time",
14978 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14980 DisplayError(_("Your opponent is not out of time"), 0);
14988 ClockClick (int which)
14989 { // [HGM] code moved to back-end from winboard.c
14990 if(which) { // black clock
14991 if (gameMode == EditPosition || gameMode == IcsExamining) {
14992 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14993 SetBlackToPlayEvent();
14994 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14995 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14996 } else if (shiftKey) {
14997 AdjustClock(which, -1);
14998 } else if (gameMode == IcsPlayingWhite ||
14999 gameMode == MachinePlaysBlack) {
15002 } else { // white clock
15003 if (gameMode == EditPosition || gameMode == IcsExamining) {
15004 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15005 SetWhiteToPlayEvent();
15006 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
15007 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15008 } else if (shiftKey) {
15009 AdjustClock(which, -1);
15010 } else if (gameMode == IcsPlayingBlack ||
15011 gameMode == MachinePlaysWhite) {
15020 /* Offer draw or accept pending draw offer from opponent */
15022 if (appData.icsActive) {
15023 /* Note: tournament rules require draw offers to be
15024 made after you make your move but before you punch
15025 your clock. Currently ICS doesn't let you do that;
15026 instead, you immediately punch your clock after making
15027 a move, but you can offer a draw at any time. */
15029 SendToICS(ics_prefix);
15030 SendToICS("draw\n");
15031 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15032 } else if (cmailMsgLoaded) {
15033 if (currentMove == cmailOldMove &&
15034 commentList[cmailOldMove] != NULL &&
15035 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15036 "Black offers a draw" : "White offers a draw")) {
15037 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15038 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15039 } else if (currentMove == cmailOldMove + 1) {
15040 char *offer = WhiteOnMove(cmailOldMove) ?
15041 "White offers a draw" : "Black offers a draw";
15042 AppendComment(currentMove, offer, TRUE);
15043 DisplayComment(currentMove - 1, offer);
15044 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15046 DisplayError(_("You must make your move before offering a draw"), 0);
15047 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15049 } else if (first.offeredDraw) {
15050 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15052 if (first.sendDrawOffers) {
15053 SendToProgram("draw\n", &first);
15054 userOfferedDraw = TRUE;
15062 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15064 if (appData.icsActive) {
15065 SendToICS(ics_prefix);
15066 SendToICS("adjourn\n");
15068 /* Currently GNU Chess doesn't offer or accept Adjourns */
15076 /* Offer Abort or accept pending Abort offer from opponent */
15078 if (appData.icsActive) {
15079 SendToICS(ics_prefix);
15080 SendToICS("abort\n");
15082 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15089 /* Resign. You can do this even if it's not your turn. */
15091 if (appData.icsActive) {
15092 SendToICS(ics_prefix);
15093 SendToICS("resign\n");
15095 switch (gameMode) {
15096 case MachinePlaysWhite:
15097 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15099 case MachinePlaysBlack:
15100 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15103 if (cmailMsgLoaded) {
15105 if (WhiteOnMove(cmailOldMove)) {
15106 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15108 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15110 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15121 StopObservingEvent ()
15123 /* Stop observing current games */
15124 SendToICS(ics_prefix);
15125 SendToICS("unobserve\n");
15129 StopExaminingEvent ()
15131 /* Stop observing current game */
15132 SendToICS(ics_prefix);
15133 SendToICS("unexamine\n");
15137 ForwardInner (int target)
15139 int limit; int oldSeekGraphUp = seekGraphUp;
15141 if (appData.debugMode)
15142 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15143 target, currentMove, forwardMostMove);
15145 if (gameMode == EditPosition)
15148 seekGraphUp = FALSE;
15149 MarkTargetSquares(1);
15151 if (gameMode == PlayFromGameFile && !pausing)
15154 if (gameMode == IcsExamining && pausing)
15155 limit = pauseExamForwardMostMove;
15157 limit = forwardMostMove;
15159 if (target > limit) target = limit;
15161 if (target > 0 && moveList[target - 1][0]) {
15162 int fromX, fromY, toX, toY;
15163 toX = moveList[target - 1][2] - AAA;
15164 toY = moveList[target - 1][3] - ONE;
15165 if (moveList[target - 1][1] == '@') {
15166 if (appData.highlightLastMove) {
15167 SetHighlights(-1, -1, toX, toY);
15170 fromX = moveList[target - 1][0] - AAA;
15171 fromY = moveList[target - 1][1] - ONE;
15172 if (target == currentMove + 1) {
15173 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15175 if (appData.highlightLastMove) {
15176 SetHighlights(fromX, fromY, toX, toY);
15180 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15181 gameMode == Training || gameMode == PlayFromGameFile ||
15182 gameMode == AnalyzeFile) {
15183 while (currentMove < target) {
15184 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15185 SendMoveToProgram(currentMove++, &first);
15188 currentMove = target;
15191 if (gameMode == EditGame || gameMode == EndOfGame) {
15192 whiteTimeRemaining = timeRemaining[0][currentMove];
15193 blackTimeRemaining = timeRemaining[1][currentMove];
15195 DisplayBothClocks();
15196 DisplayMove(currentMove - 1);
15197 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15198 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15199 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15200 DisplayComment(currentMove - 1, commentList[currentMove]);
15202 ClearMap(); // [HGM] exclude: invalidate map
15209 if (gameMode == IcsExamining && !pausing) {
15210 SendToICS(ics_prefix);
15211 SendToICS("forward\n");
15213 ForwardInner(currentMove + 1);
15220 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15221 /* to optimze, we temporarily turn off analysis mode while we feed
15222 * the remaining moves to the engine. Otherwise we get analysis output
15225 if (first.analysisSupport) {
15226 SendToProgram("exit\nforce\n", &first);
15227 first.analyzing = FALSE;
15231 if (gameMode == IcsExamining && !pausing) {
15232 SendToICS(ics_prefix);
15233 SendToICS("forward 999999\n");
15235 ForwardInner(forwardMostMove);
15238 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15239 /* we have fed all the moves, so reactivate analysis mode */
15240 SendToProgram("analyze\n", &first);
15241 first.analyzing = TRUE;
15242 /*first.maybeThinking = TRUE;*/
15243 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15248 BackwardInner (int target)
15250 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15252 if (appData.debugMode)
15253 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15254 target, currentMove, forwardMostMove);
15256 if (gameMode == EditPosition) return;
15257 seekGraphUp = FALSE;
15258 MarkTargetSquares(1);
15259 if (currentMove <= backwardMostMove) {
15261 DrawPosition(full_redraw, boards[currentMove]);
15264 if (gameMode == PlayFromGameFile && !pausing)
15267 if (moveList[target][0]) {
15268 int fromX, fromY, toX, toY;
15269 toX = moveList[target][2] - AAA;
15270 toY = moveList[target][3] - ONE;
15271 if (moveList[target][1] == '@') {
15272 if (appData.highlightLastMove) {
15273 SetHighlights(-1, -1, toX, toY);
15276 fromX = moveList[target][0] - AAA;
15277 fromY = moveList[target][1] - ONE;
15278 if (target == currentMove - 1) {
15279 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15281 if (appData.highlightLastMove) {
15282 SetHighlights(fromX, fromY, toX, toY);
15286 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15287 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15288 while (currentMove > target) {
15289 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15290 // null move cannot be undone. Reload program with move history before it.
15292 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15293 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15295 SendBoard(&first, i);
15296 if(second.analyzing) SendBoard(&second, i);
15297 for(currentMove=i; currentMove<target; currentMove++) {
15298 SendMoveToProgram(currentMove, &first);
15299 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15303 SendToBoth("undo\n");
15307 currentMove = target;
15310 if (gameMode == EditGame || gameMode == EndOfGame) {
15311 whiteTimeRemaining = timeRemaining[0][currentMove];
15312 blackTimeRemaining = timeRemaining[1][currentMove];
15314 DisplayBothClocks();
15315 DisplayMove(currentMove - 1);
15316 DrawPosition(full_redraw, boards[currentMove]);
15317 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15318 // [HGM] PV info: routine tests if comment empty
15319 DisplayComment(currentMove - 1, commentList[currentMove]);
15320 ClearMap(); // [HGM] exclude: invalidate map
15326 if (gameMode == IcsExamining && !pausing) {
15327 SendToICS(ics_prefix);
15328 SendToICS("backward\n");
15330 BackwardInner(currentMove - 1);
15337 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15338 /* to optimize, we temporarily turn off analysis mode while we undo
15339 * all the moves. Otherwise we get analysis output after each undo.
15341 if (first.analysisSupport) {
15342 SendToProgram("exit\nforce\n", &first);
15343 first.analyzing = FALSE;
15347 if (gameMode == IcsExamining && !pausing) {
15348 SendToICS(ics_prefix);
15349 SendToICS("backward 999999\n");
15351 BackwardInner(backwardMostMove);
15354 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15355 /* we have fed all the moves, so reactivate analysis mode */
15356 SendToProgram("analyze\n", &first);
15357 first.analyzing = TRUE;
15358 /*first.maybeThinking = TRUE;*/
15359 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15366 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15367 if (to >= forwardMostMove) to = forwardMostMove;
15368 if (to <= backwardMostMove) to = backwardMostMove;
15369 if (to < currentMove) {
15377 RevertEvent (Boolean annotate)
15379 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15382 if (gameMode != IcsExamining) {
15383 DisplayError(_("You are not examining a game"), 0);
15387 DisplayError(_("You can't revert while pausing"), 0);
15390 SendToICS(ics_prefix);
15391 SendToICS("revert\n");
15395 RetractMoveEvent ()
15397 switch (gameMode) {
15398 case MachinePlaysWhite:
15399 case MachinePlaysBlack:
15400 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15401 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15404 if (forwardMostMove < 2) return;
15405 currentMove = forwardMostMove = forwardMostMove - 2;
15406 whiteTimeRemaining = timeRemaining[0][currentMove];
15407 blackTimeRemaining = timeRemaining[1][currentMove];
15408 DisplayBothClocks();
15409 DisplayMove(currentMove - 1);
15410 ClearHighlights();/*!! could figure this out*/
15411 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15412 SendToProgram("remove\n", &first);
15413 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15416 case BeginningOfGame:
15420 case IcsPlayingWhite:
15421 case IcsPlayingBlack:
15422 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15423 SendToICS(ics_prefix);
15424 SendToICS("takeback 2\n");
15426 SendToICS(ics_prefix);
15427 SendToICS("takeback 1\n");
15436 ChessProgramState *cps;
15438 switch (gameMode) {
15439 case MachinePlaysWhite:
15440 if (!WhiteOnMove(forwardMostMove)) {
15441 DisplayError(_("It is your turn"), 0);
15446 case MachinePlaysBlack:
15447 if (WhiteOnMove(forwardMostMove)) {
15448 DisplayError(_("It is your turn"), 0);
15453 case TwoMachinesPlay:
15454 if (WhiteOnMove(forwardMostMove) ==
15455 (first.twoMachinesColor[0] == 'w')) {
15461 case BeginningOfGame:
15465 SendToProgram("?\n", cps);
15469 TruncateGameEvent ()
15472 if (gameMode != EditGame) return;
15479 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15480 if (forwardMostMove > currentMove) {
15481 if (gameInfo.resultDetails != NULL) {
15482 free(gameInfo.resultDetails);
15483 gameInfo.resultDetails = NULL;
15484 gameInfo.result = GameUnfinished;
15486 forwardMostMove = currentMove;
15487 HistorySet(parseList, backwardMostMove, forwardMostMove,
15495 if (appData.noChessProgram) return;
15496 switch (gameMode) {
15497 case MachinePlaysWhite:
15498 if (WhiteOnMove(forwardMostMove)) {
15499 DisplayError(_("Wait until your turn."), 0);
15503 case BeginningOfGame:
15504 case MachinePlaysBlack:
15505 if (!WhiteOnMove(forwardMostMove)) {
15506 DisplayError(_("Wait until your turn."), 0);
15511 DisplayError(_("No hint available"), 0);
15514 SendToProgram("hint\n", &first);
15515 hintRequested = TRUE;
15521 ListGame * lg = (ListGame *) gameList.head;
15524 static int secondTime = FALSE;
15526 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15527 DisplayError(_("Game list not loaded or empty"), 0);
15531 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
15534 DisplayNote(_("Book file exists! Try again for overwrite."));
15538 creatingBook = TRUE;
15539 secondTime = FALSE;
15541 /* Get list size */
15542 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15543 LoadGame(f, nItem, "", TRUE);
15544 AddGameToBook(TRUE);
15545 lg = (ListGame *) lg->node.succ;
15548 creatingBook = FALSE;
15555 if (appData.noChessProgram) return;
15556 switch (gameMode) {
15557 case MachinePlaysWhite:
15558 if (WhiteOnMove(forwardMostMove)) {
15559 DisplayError(_("Wait until your turn."), 0);
15563 case BeginningOfGame:
15564 case MachinePlaysBlack:
15565 if (!WhiteOnMove(forwardMostMove)) {
15566 DisplayError(_("Wait until your turn."), 0);
15571 EditPositionDone(TRUE);
15573 case TwoMachinesPlay:
15578 SendToProgram("bk\n", &first);
15579 bookOutput[0] = NULLCHAR;
15580 bookRequested = TRUE;
15586 char *tags = PGNTags(&gameInfo);
15587 TagsPopUp(tags, CmailMsg());
15591 /* end button procedures */
15594 PrintPosition (FILE *fp, int move)
15598 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15599 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15600 char c = PieceToChar(boards[move][i][j]);
15601 fputc(c == 'x' ? '.' : c, fp);
15602 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15605 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15606 fprintf(fp, "white to play\n");
15608 fprintf(fp, "black to play\n");
15612 PrintOpponents (FILE *fp)
15614 if (gameInfo.white != NULL) {
15615 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15621 /* Find last component of program's own name, using some heuristics */
15623 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15626 int local = (strcmp(host, "localhost") == 0);
15627 while (!local && (p = strchr(prog, ';')) != NULL) {
15629 while (*p == ' ') p++;
15632 if (*prog == '"' || *prog == '\'') {
15633 q = strchr(prog + 1, *prog);
15635 q = strchr(prog, ' ');
15637 if (q == NULL) q = prog + strlen(prog);
15639 while (p >= prog && *p != '/' && *p != '\\') p--;
15641 if(p == prog && *p == '"') p++;
15643 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15644 memcpy(buf, p, q - p);
15645 buf[q - p] = NULLCHAR;
15653 TimeControlTagValue ()
15656 if (!appData.clockMode) {
15657 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15658 } else if (movesPerSession > 0) {
15659 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15660 } else if (timeIncrement == 0) {
15661 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15663 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15665 return StrSave(buf);
15671 /* This routine is used only for certain modes */
15672 VariantClass v = gameInfo.variant;
15673 ChessMove r = GameUnfinished;
15676 if(keepInfo) return;
15678 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15679 r = gameInfo.result;
15680 p = gameInfo.resultDetails;
15681 gameInfo.resultDetails = NULL;
15683 ClearGameInfo(&gameInfo);
15684 gameInfo.variant = v;
15686 switch (gameMode) {
15687 case MachinePlaysWhite:
15688 gameInfo.event = StrSave( appData.pgnEventHeader );
15689 gameInfo.site = StrSave(HostName());
15690 gameInfo.date = PGNDate();
15691 gameInfo.round = StrSave("-");
15692 gameInfo.white = StrSave(first.tidy);
15693 gameInfo.black = StrSave(UserName());
15694 gameInfo.timeControl = TimeControlTagValue();
15697 case MachinePlaysBlack:
15698 gameInfo.event = StrSave( appData.pgnEventHeader );
15699 gameInfo.site = StrSave(HostName());
15700 gameInfo.date = PGNDate();
15701 gameInfo.round = StrSave("-");
15702 gameInfo.white = StrSave(UserName());
15703 gameInfo.black = StrSave(first.tidy);
15704 gameInfo.timeControl = TimeControlTagValue();
15707 case TwoMachinesPlay:
15708 gameInfo.event = StrSave( appData.pgnEventHeader );
15709 gameInfo.site = StrSave(HostName());
15710 gameInfo.date = PGNDate();
15713 snprintf(buf, MSG_SIZ, "%d", roundNr);
15714 gameInfo.round = StrSave(buf);
15716 gameInfo.round = StrSave("-");
15718 if (first.twoMachinesColor[0] == 'w') {
15719 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15720 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15722 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15723 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15725 gameInfo.timeControl = TimeControlTagValue();
15729 gameInfo.event = StrSave("Edited game");
15730 gameInfo.site = StrSave(HostName());
15731 gameInfo.date = PGNDate();
15732 gameInfo.round = StrSave("-");
15733 gameInfo.white = StrSave("-");
15734 gameInfo.black = StrSave("-");
15735 gameInfo.result = r;
15736 gameInfo.resultDetails = p;
15740 gameInfo.event = StrSave("Edited position");
15741 gameInfo.site = StrSave(HostName());
15742 gameInfo.date = PGNDate();
15743 gameInfo.round = StrSave("-");
15744 gameInfo.white = StrSave("-");
15745 gameInfo.black = StrSave("-");
15748 case IcsPlayingWhite:
15749 case IcsPlayingBlack:
15754 case PlayFromGameFile:
15755 gameInfo.event = StrSave("Game from non-PGN file");
15756 gameInfo.site = StrSave(HostName());
15757 gameInfo.date = PGNDate();
15758 gameInfo.round = StrSave("-");
15759 gameInfo.white = StrSave("?");
15760 gameInfo.black = StrSave("?");
15769 ReplaceComment (int index, char *text)
15775 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15776 pvInfoList[index-1].depth == len &&
15777 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15778 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15779 while (*text == '\n') text++;
15780 len = strlen(text);
15781 while (len > 0 && text[len - 1] == '\n') len--;
15783 if (commentList[index] != NULL)
15784 free(commentList[index]);
15787 commentList[index] = NULL;
15790 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15791 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15792 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15793 commentList[index] = (char *) malloc(len + 2);
15794 strncpy(commentList[index], text, len);
15795 commentList[index][len] = '\n';
15796 commentList[index][len + 1] = NULLCHAR;
15798 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15800 commentList[index] = (char *) malloc(len + 7);
15801 safeStrCpy(commentList[index], "{\n", 3);
15802 safeStrCpy(commentList[index]+2, text, len+1);
15803 commentList[index][len+2] = NULLCHAR;
15804 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15805 strcat(commentList[index], "\n}\n");
15810 CrushCRs (char *text)
15818 if (ch == '\r') continue;
15820 } while (ch != '\0');
15824 AppendComment (int index, char *text, Boolean addBraces)
15825 /* addBraces tells if we should add {} */
15830 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
15831 if(addBraces == 3) addBraces = 0; else // force appending literally
15832 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15835 while (*text == '\n') text++;
15836 len = strlen(text);
15837 while (len > 0 && text[len - 1] == '\n') len--;
15838 text[len] = NULLCHAR;
15840 if (len == 0) return;
15842 if (commentList[index] != NULL) {
15843 Boolean addClosingBrace = addBraces;
15844 old = commentList[index];
15845 oldlen = strlen(old);
15846 while(commentList[index][oldlen-1] == '\n')
15847 commentList[index][--oldlen] = NULLCHAR;
15848 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15849 safeStrCpy(commentList[index], old, oldlen + len + 6);
15851 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15852 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15853 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15854 while (*text == '\n') { text++; len--; }
15855 commentList[index][--oldlen] = NULLCHAR;
15857 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15858 else strcat(commentList[index], "\n");
15859 strcat(commentList[index], text);
15860 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15861 else strcat(commentList[index], "\n");
15863 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15865 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15866 else commentList[index][0] = NULLCHAR;
15867 strcat(commentList[index], text);
15868 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15869 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15874 FindStr (char * text, char * sub_text)
15876 char * result = strstr( text, sub_text );
15878 if( result != NULL ) {
15879 result += strlen( sub_text );
15885 /* [AS] Try to extract PV info from PGN comment */
15886 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15888 GetInfoFromComment (int index, char * text)
15890 char * sep = text, *p;
15892 if( text != NULL && index > 0 ) {
15895 int time = -1, sec = 0, deci;
15896 char * s_eval = FindStr( text, "[%eval " );
15897 char * s_emt = FindStr( text, "[%emt " );
15899 if( s_eval != NULL || s_emt != NULL ) {
15901 if(0) { // [HGM] this code is not finished, and could actually be detrimental
15906 if( s_eval != NULL ) {
15907 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15911 if( delim != ']' ) {
15916 if( s_emt != NULL ) {
15921 /* We expect something like: [+|-]nnn.nn/dd */
15924 if(*text != '{') return text; // [HGM] braces: must be normal comment
15926 sep = strchr( text, '/' );
15927 if( sep == NULL || sep < (text+4) ) {
15932 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
15933 if(p[1] == '(') { // comment starts with PV
15934 p = strchr(p, ')'); // locate end of PV
15935 if(p == NULL || sep < p+5) return text;
15936 // at this point we have something like "{(.*) +0.23/6 ..."
15937 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15938 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15939 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15941 time = -1; sec = -1; deci = -1;
15942 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15943 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15944 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15945 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15949 if( score_lo < 0 || score_lo >= 100 ) {
15953 if(sec >= 0) time = 600*time + 10*sec; else
15954 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15956 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
15958 /* [HGM] PV time: now locate end of PV info */
15959 while( *++sep >= '0' && *sep <= '9'); // strip depth
15961 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15963 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15965 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15966 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15977 pvInfoList[index-1].depth = depth;
15978 pvInfoList[index-1].score = score;
15979 pvInfoList[index-1].time = 10*time; // centi-sec
15980 if(*sep == '}') *sep = 0; else *--sep = '{';
15981 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15987 SendToProgram (char *message, ChessProgramState *cps)
15989 int count, outCount, error;
15992 if (cps->pr == NoProc) return;
15995 if (appData.debugMode) {
15998 fprintf(debugFP, "%ld >%-6s: %s",
15999 SubtractTimeMarks(&now, &programStartTime),
16000 cps->which, message);
16002 fprintf(serverFP, "%ld >%-6s: %s",
16003 SubtractTimeMarks(&now, &programStartTime),
16004 cps->which, message), fflush(serverFP);
16007 count = strlen(message);
16008 outCount = OutputToProcess(cps->pr, message, count, &error);
16009 if (outCount < count && !exiting
16010 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16011 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16012 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16013 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16014 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16015 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16016 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16017 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16019 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16020 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16021 gameInfo.result = res;
16023 gameInfo.resultDetails = StrSave(buf);
16025 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16026 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16031 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16035 ChessProgramState *cps = (ChessProgramState *)closure;
16037 if (isr != cps->isr) return; /* Killed intentionally */
16040 RemoveInputSource(cps->isr);
16041 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16042 _(cps->which), cps->program);
16043 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16044 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16045 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16046 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16047 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16048 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16050 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16051 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16052 gameInfo.result = res;
16054 gameInfo.resultDetails = StrSave(buf);
16056 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16057 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16059 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16060 _(cps->which), cps->program);
16061 RemoveInputSource(cps->isr);
16063 /* [AS] Program is misbehaving badly... kill it */
16064 if( count == -2 ) {
16065 DestroyChildProcess( cps->pr, 9 );
16069 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16074 if ((end_str = strchr(message, '\r')) != NULL)
16075 *end_str = NULLCHAR;
16076 if ((end_str = strchr(message, '\n')) != NULL)
16077 *end_str = NULLCHAR;
16079 if (appData.debugMode) {
16080 TimeMark now; int print = 1;
16081 char *quote = ""; char c; int i;
16083 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16084 char start = message[0];
16085 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16086 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16087 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16088 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16089 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16090 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16091 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16092 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16093 sscanf(message, "hint: %c", &c)!=1 &&
16094 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16095 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16096 print = (appData.engineComments >= 2);
16098 message[0] = start; // restore original message
16102 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16103 SubtractTimeMarks(&now, &programStartTime), cps->which,
16107 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16108 SubtractTimeMarks(&now, &programStartTime), cps->which,
16110 message), fflush(serverFP);
16114 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16115 if (appData.icsEngineAnalyze) {
16116 if (strstr(message, "whisper") != NULL ||
16117 strstr(message, "kibitz") != NULL ||
16118 strstr(message, "tellics") != NULL) return;
16121 HandleMachineMove(message, cps);
16126 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16131 if( timeControl_2 > 0 ) {
16132 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16133 tc = timeControl_2;
16136 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16137 inc /= cps->timeOdds;
16138 st /= cps->timeOdds;
16140 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16143 /* Set exact time per move, normally using st command */
16144 if (cps->stKludge) {
16145 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16147 if (seconds == 0) {
16148 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16150 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16153 snprintf(buf, MSG_SIZ, "st %d\n", st);
16156 /* Set conventional or incremental time control, using level command */
16157 if (seconds == 0) {
16158 /* Note old gnuchess bug -- minutes:seconds used to not work.
16159 Fixed in later versions, but still avoid :seconds
16160 when seconds is 0. */
16161 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16163 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16164 seconds, inc/1000.);
16167 SendToProgram(buf, cps);
16169 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16170 /* Orthogonally, limit search to given depth */
16172 if (cps->sdKludge) {
16173 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16175 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16177 SendToProgram(buf, cps);
16180 if(cps->nps >= 0) { /* [HGM] nps */
16181 if(cps->supportsNPS == FALSE)
16182 cps->nps = -1; // don't use if engine explicitly says not supported!
16184 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16185 SendToProgram(buf, cps);
16190 ChessProgramState *
16192 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16194 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16195 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16201 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16203 char message[MSG_SIZ];
16206 /* Note: this routine must be called when the clocks are stopped
16207 or when they have *just* been set or switched; otherwise
16208 it will be off by the time since the current tick started.
16210 if (machineWhite) {
16211 time = whiteTimeRemaining / 10;
16212 otime = blackTimeRemaining / 10;
16214 time = blackTimeRemaining / 10;
16215 otime = whiteTimeRemaining / 10;
16217 /* [HGM] translate opponent's time by time-odds factor */
16218 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16220 if (time <= 0) time = 1;
16221 if (otime <= 0) otime = 1;
16223 snprintf(message, MSG_SIZ, "time %ld\n", time);
16224 SendToProgram(message, cps);
16226 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16227 SendToProgram(message, cps);
16231 EngineDefinedVariant (ChessProgramState *cps, int n)
16232 { // return name of n-th unknown variant that engine supports
16233 static char buf[MSG_SIZ];
16234 char *p, *s = cps->variants;
16235 if(!s) return NULL;
16236 do { // parse string from variants feature
16238 p = strchr(s, ',');
16239 if(p) *p = NULLCHAR;
16240 v = StringToVariant(s);
16241 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16242 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16243 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16246 if(n < 0) return buf;
16252 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16255 int len = strlen(name);
16258 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16260 sscanf(*p, "%d", &val);
16262 while (**p && **p != ' ')
16264 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16265 SendToProgram(buf, cps);
16272 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16275 int len = strlen(name);
16276 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16278 sscanf(*p, "%d", loc);
16279 while (**p && **p != ' ') (*p)++;
16280 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16281 SendToProgram(buf, cps);
16288 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16291 int len = strlen(name);
16292 if (strncmp((*p), name, len) == 0
16293 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16295 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16296 sscanf(*p, "%[^\"]", *loc);
16297 while (**p && **p != '\"') (*p)++;
16298 if (**p == '\"') (*p)++;
16299 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16300 SendToProgram(buf, cps);
16307 ParseOption (Option *opt, ChessProgramState *cps)
16308 // [HGM] options: process the string that defines an engine option, and determine
16309 // name, type, default value, and allowed value range
16311 char *p, *q, buf[MSG_SIZ];
16312 int n, min = (-1)<<31, max = 1<<31, def;
16314 if(p = strstr(opt->name, " -spin ")) {
16315 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16316 if(max < min) max = min; // enforce consistency
16317 if(def < min) def = min;
16318 if(def > max) def = max;
16323 } else if((p = strstr(opt->name, " -slider "))) {
16324 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16325 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16326 if(max < min) max = min; // enforce consistency
16327 if(def < min) def = min;
16328 if(def > max) def = max;
16332 opt->type = Spin; // Slider;
16333 } else if((p = strstr(opt->name, " -string "))) {
16334 opt->textValue = p+9;
16335 opt->type = TextBox;
16336 } else if((p = strstr(opt->name, " -file "))) {
16337 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16338 opt->textValue = p+7;
16339 opt->type = FileName; // FileName;
16340 } else if((p = strstr(opt->name, " -path "))) {
16341 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16342 opt->textValue = p+7;
16343 opt->type = PathName; // PathName;
16344 } else if(p = strstr(opt->name, " -check ")) {
16345 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16346 opt->value = (def != 0);
16347 opt->type = CheckBox;
16348 } else if(p = strstr(opt->name, " -combo ")) {
16349 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16350 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16351 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16352 opt->value = n = 0;
16353 while(q = StrStr(q, " /// ")) {
16354 n++; *q = 0; // count choices, and null-terminate each of them
16356 if(*q == '*') { // remember default, which is marked with * prefix
16360 cps->comboList[cps->comboCnt++] = q;
16362 cps->comboList[cps->comboCnt++] = NULL;
16364 opt->type = ComboBox;
16365 } else if(p = strstr(opt->name, " -button")) {
16366 opt->type = Button;
16367 } else if(p = strstr(opt->name, " -save")) {
16368 opt->type = SaveButton;
16369 } else return FALSE;
16370 *p = 0; // terminate option name
16371 // now look if the command-line options define a setting for this engine option.
16372 if(cps->optionSettings && cps->optionSettings[0])
16373 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16374 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16375 snprintf(buf, MSG_SIZ, "option %s", p);
16376 if(p = strstr(buf, ",")) *p = 0;
16377 if(q = strchr(buf, '=')) switch(opt->type) {
16379 for(n=0; n<opt->max; n++)
16380 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16383 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16387 opt->value = atoi(q+1);
16392 SendToProgram(buf, cps);
16398 FeatureDone (ChessProgramState *cps, int val)
16400 DelayedEventCallback cb = GetDelayedEvent();
16401 if ((cb == InitBackEnd3 && cps == &first) ||
16402 (cb == SettingsMenuIfReady && cps == &second) ||
16403 (cb == LoadEngine) ||
16404 (cb == TwoMachinesEventIfReady)) {
16405 CancelDelayedEvent();
16406 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16408 cps->initDone = val;
16409 if(val) cps->reload = FALSE;
16412 /* Parse feature command from engine */
16414 ParseFeatures (char *args, ChessProgramState *cps)
16422 while (*p == ' ') p++;
16423 if (*p == NULLCHAR) return;
16425 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16426 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16427 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16428 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16429 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16430 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16431 if (BoolFeature(&p, "reuse", &val, cps)) {
16432 /* Engine can disable reuse, but can't enable it if user said no */
16433 if (!val) cps->reuse = FALSE;
16436 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16437 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
16438 if (gameMode == TwoMachinesPlay) {
16439 DisplayTwoMachinesTitle();
16445 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
16446 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16447 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16448 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16449 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16450 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16451 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16452 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16453 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16454 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16455 if (IntFeature(&p, "done", &val, cps)) {
16456 FeatureDone(cps, val);
16459 /* Added by Tord: */
16460 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16461 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16462 /* End of additions by Tord */
16464 /* [HGM] added features: */
16465 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
16466 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16467 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16468 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16469 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16470 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16471 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
16472 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
16473 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
16474 FREE(cps->option[cps->nrOptions].name);
16475 cps->option[cps->nrOptions].name = q; q = NULL;
16476 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16477 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16478 SendToProgram(buf, cps);
16481 if(cps->nrOptions >= MAX_OPTIONS) {
16483 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16484 DisplayError(buf, 0);
16488 /* End of additions by HGM */
16490 /* unknown feature: complain and skip */
16492 while (*q && *q != '=') q++;
16493 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16494 SendToProgram(buf, cps);
16500 while (*p && *p != '\"') p++;
16501 if (*p == '\"') p++;
16503 while (*p && *p != ' ') p++;
16511 PeriodicUpdatesEvent (int newState)
16513 if (newState == appData.periodicUpdates)
16516 appData.periodicUpdates=newState;
16518 /* Display type changes, so update it now */
16519 // DisplayAnalysis();
16521 /* Get the ball rolling again... */
16523 AnalysisPeriodicEvent(1);
16524 StartAnalysisClock();
16529 PonderNextMoveEvent (int newState)
16531 if (newState == appData.ponderNextMove) return;
16532 if (gameMode == EditPosition) EditPositionDone(TRUE);
16534 SendToProgram("hard\n", &first);
16535 if (gameMode == TwoMachinesPlay) {
16536 SendToProgram("hard\n", &second);
16539 SendToProgram("easy\n", &first);
16540 thinkOutput[0] = NULLCHAR;
16541 if (gameMode == TwoMachinesPlay) {
16542 SendToProgram("easy\n", &second);
16545 appData.ponderNextMove = newState;
16549 NewSettingEvent (int option, int *feature, char *command, int value)
16553 if (gameMode == EditPosition) EditPositionDone(TRUE);
16554 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16555 if(feature == NULL || *feature) SendToProgram(buf, &first);
16556 if (gameMode == TwoMachinesPlay) {
16557 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16562 ShowThinkingEvent ()
16563 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16565 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16566 int newState = appData.showThinking
16567 // [HGM] thinking: other features now need thinking output as well
16568 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16570 if (oldState == newState) return;
16571 oldState = newState;
16572 if (gameMode == EditPosition) EditPositionDone(TRUE);
16574 SendToProgram("post\n", &first);
16575 if (gameMode == TwoMachinesPlay) {
16576 SendToProgram("post\n", &second);
16579 SendToProgram("nopost\n", &first);
16580 thinkOutput[0] = NULLCHAR;
16581 if (gameMode == TwoMachinesPlay) {
16582 SendToProgram("nopost\n", &second);
16585 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16589 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16591 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16592 if (pr == NoProc) return;
16593 AskQuestion(title, question, replyPrefix, pr);
16597 TypeInEvent (char firstChar)
16599 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16600 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16601 gameMode == AnalyzeMode || gameMode == EditGame ||
16602 gameMode == EditPosition || gameMode == IcsExamining ||
16603 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16604 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16605 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16606 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16607 gameMode == Training) PopUpMoveDialog(firstChar);
16611 TypeInDoneEvent (char *move)
16614 int n, fromX, fromY, toX, toY;
16616 ChessMove moveType;
16619 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
16620 EditPositionPasteFEN(move);
16623 // [HGM] movenum: allow move number to be typed in any mode
16624 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16628 // undocumented kludge: allow command-line option to be typed in!
16629 // (potentially fatal, and does not implement the effect of the option.)
16630 // should only be used for options that are values on which future decisions will be made,
16631 // and definitely not on options that would be used during initialization.
16632 if(strstr(move, "!!! -") == move) {
16633 ParseArgsFromString(move+4);
16637 if (gameMode != EditGame && currentMove != forwardMostMove &&
16638 gameMode != Training) {
16639 DisplayMoveError(_("Displayed move is not current"));
16641 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16642 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16643 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16644 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16645 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16646 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16648 DisplayMoveError(_("Could not parse move"));
16654 DisplayMove (int moveNumber)
16656 char message[MSG_SIZ];
16658 char cpThinkOutput[MSG_SIZ];
16660 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16662 if (moveNumber == forwardMostMove - 1 ||
16663 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16665 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16667 if (strchr(cpThinkOutput, '\n')) {
16668 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16671 *cpThinkOutput = NULLCHAR;
16674 /* [AS] Hide thinking from human user */
16675 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16676 *cpThinkOutput = NULLCHAR;
16677 if( thinkOutput[0] != NULLCHAR ) {
16680 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16681 cpThinkOutput[i] = '.';
16683 cpThinkOutput[i] = NULLCHAR;
16684 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16688 if (moveNumber == forwardMostMove - 1 &&
16689 gameInfo.resultDetails != NULL) {
16690 if (gameInfo.resultDetails[0] == NULLCHAR) {
16691 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16693 snprintf(res, MSG_SIZ, " {%s} %s",
16694 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16700 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16701 DisplayMessage(res, cpThinkOutput);
16703 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16704 WhiteOnMove(moveNumber) ? " " : ".. ",
16705 parseList[moveNumber], res);
16706 DisplayMessage(message, cpThinkOutput);
16711 DisplayComment (int moveNumber, char *text)
16713 char title[MSG_SIZ];
16715 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16716 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16718 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16719 WhiteOnMove(moveNumber) ? " " : ".. ",
16720 parseList[moveNumber]);
16722 if (text != NULL && (appData.autoDisplayComment || commentUp))
16723 CommentPopUp(title, text);
16726 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16727 * might be busy thinking or pondering. It can be omitted if your
16728 * gnuchess is configured to stop thinking immediately on any user
16729 * input. However, that gnuchess feature depends on the FIONREAD
16730 * ioctl, which does not work properly on some flavors of Unix.
16733 Attention (ChessProgramState *cps)
16736 if (!cps->useSigint) return;
16737 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16738 switch (gameMode) {
16739 case MachinePlaysWhite:
16740 case MachinePlaysBlack:
16741 case TwoMachinesPlay:
16742 case IcsPlayingWhite:
16743 case IcsPlayingBlack:
16746 /* Skip if we know it isn't thinking */
16747 if (!cps->maybeThinking) return;
16748 if (appData.debugMode)
16749 fprintf(debugFP, "Interrupting %s\n", cps->which);
16750 InterruptChildProcess(cps->pr);
16751 cps->maybeThinking = FALSE;
16756 #endif /*ATTENTION*/
16762 if (whiteTimeRemaining <= 0) {
16765 if (appData.icsActive) {
16766 if (appData.autoCallFlag &&
16767 gameMode == IcsPlayingBlack && !blackFlag) {
16768 SendToICS(ics_prefix);
16769 SendToICS("flag\n");
16773 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16775 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16776 if (appData.autoCallFlag) {
16777 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16784 if (blackTimeRemaining <= 0) {
16787 if (appData.icsActive) {
16788 if (appData.autoCallFlag &&
16789 gameMode == IcsPlayingWhite && !whiteFlag) {
16790 SendToICS(ics_prefix);
16791 SendToICS("flag\n");
16795 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16797 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16798 if (appData.autoCallFlag) {
16799 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16810 CheckTimeControl ()
16812 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16813 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16816 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16818 if ( !WhiteOnMove(forwardMostMove) ) {
16819 /* White made time control */
16820 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16821 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16822 /* [HGM] time odds: correct new time quota for time odds! */
16823 / WhitePlayer()->timeOdds;
16824 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16826 lastBlack -= blackTimeRemaining;
16827 /* Black made time control */
16828 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16829 / WhitePlayer()->other->timeOdds;
16830 lastWhite = whiteTimeRemaining;
16835 DisplayBothClocks ()
16837 int wom = gameMode == EditPosition ?
16838 !blackPlaysFirst : WhiteOnMove(currentMove);
16839 DisplayWhiteClock(whiteTimeRemaining, wom);
16840 DisplayBlackClock(blackTimeRemaining, !wom);
16844 /* Timekeeping seems to be a portability nightmare. I think everyone
16845 has ftime(), but I'm really not sure, so I'm including some ifdefs
16846 to use other calls if you don't. Clocks will be less accurate if
16847 you have neither ftime nor gettimeofday.
16850 /* VS 2008 requires the #include outside of the function */
16851 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16852 #include <sys/timeb.h>
16855 /* Get the current time as a TimeMark */
16857 GetTimeMark (TimeMark *tm)
16859 #if HAVE_GETTIMEOFDAY
16861 struct timeval timeVal;
16862 struct timezone timeZone;
16864 gettimeofday(&timeVal, &timeZone);
16865 tm->sec = (long) timeVal.tv_sec;
16866 tm->ms = (int) (timeVal.tv_usec / 1000L);
16868 #else /*!HAVE_GETTIMEOFDAY*/
16871 // include <sys/timeb.h> / moved to just above start of function
16872 struct timeb timeB;
16875 tm->sec = (long) timeB.time;
16876 tm->ms = (int) timeB.millitm;
16878 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16879 tm->sec = (long) time(NULL);
16885 /* Return the difference in milliseconds between two
16886 time marks. We assume the difference will fit in a long!
16889 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16891 return 1000L*(tm2->sec - tm1->sec) +
16892 (long) (tm2->ms - tm1->ms);
16897 * Code to manage the game clocks.
16899 * In tournament play, black starts the clock and then white makes a move.
16900 * We give the human user a slight advantage if he is playing white---the
16901 * clocks don't run until he makes his first move, so it takes zero time.
16902 * Also, we don't account for network lag, so we could get out of sync
16903 * with GNU Chess's clock -- but then, referees are always right.
16906 static TimeMark tickStartTM;
16907 static long intendedTickLength;
16910 NextTickLength (long timeRemaining)
16912 long nominalTickLength, nextTickLength;
16914 if (timeRemaining > 0L && timeRemaining <= 10000L)
16915 nominalTickLength = 100L;
16917 nominalTickLength = 1000L;
16918 nextTickLength = timeRemaining % nominalTickLength;
16919 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16921 return nextTickLength;
16924 /* Adjust clock one minute up or down */
16926 AdjustClock (Boolean which, int dir)
16928 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16929 if(which) blackTimeRemaining += 60000*dir;
16930 else whiteTimeRemaining += 60000*dir;
16931 DisplayBothClocks();
16932 adjustedClock = TRUE;
16935 /* Stop clocks and reset to a fresh time control */
16939 (void) StopClockTimer();
16940 if (appData.icsActive) {
16941 whiteTimeRemaining = blackTimeRemaining = 0;
16942 } else if (searchTime) {
16943 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16944 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16945 } else { /* [HGM] correct new time quote for time odds */
16946 whiteTC = blackTC = fullTimeControlString;
16947 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16948 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16950 if (whiteFlag || blackFlag) {
16952 whiteFlag = blackFlag = FALSE;
16954 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16955 DisplayBothClocks();
16956 adjustedClock = FALSE;
16959 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16961 /* Decrement running clock by amount of time that has passed */
16965 long timeRemaining;
16966 long lastTickLength, fudge;
16969 if (!appData.clockMode) return;
16970 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16974 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16976 /* Fudge if we woke up a little too soon */
16977 fudge = intendedTickLength - lastTickLength;
16978 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16980 if (WhiteOnMove(forwardMostMove)) {
16981 if(whiteNPS >= 0) lastTickLength = 0;
16982 timeRemaining = whiteTimeRemaining -= lastTickLength;
16983 if(timeRemaining < 0 && !appData.icsActive) {
16984 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16985 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16986 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16987 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16990 DisplayWhiteClock(whiteTimeRemaining - fudge,
16991 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16993 if(blackNPS >= 0) lastTickLength = 0;
16994 timeRemaining = blackTimeRemaining -= lastTickLength;
16995 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16996 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16998 blackStartMove = forwardMostMove;
16999 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17002 DisplayBlackClock(blackTimeRemaining - fudge,
17003 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17005 if (CheckFlags()) return;
17007 if(twoBoards) { // count down secondary board's clocks as well
17008 activePartnerTime -= lastTickLength;
17010 if(activePartner == 'W')
17011 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17013 DisplayBlackClock(activePartnerTime, TRUE);
17018 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17019 StartClockTimer(intendedTickLength);
17021 /* if the time remaining has fallen below the alarm threshold, sound the
17022 * alarm. if the alarm has sounded and (due to a takeback or time control
17023 * with increment) the time remaining has increased to a level above the
17024 * threshold, reset the alarm so it can sound again.
17027 if (appData.icsActive && appData.icsAlarm) {
17029 /* make sure we are dealing with the user's clock */
17030 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17031 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17034 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17035 alarmSounded = FALSE;
17036 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17038 alarmSounded = TRUE;
17044 /* A player has just moved, so stop the previously running
17045 clock and (if in clock mode) start the other one.
17046 We redisplay both clocks in case we're in ICS mode, because
17047 ICS gives us an update to both clocks after every move.
17048 Note that this routine is called *after* forwardMostMove
17049 is updated, so the last fractional tick must be subtracted
17050 from the color that is *not* on move now.
17053 SwitchClocks (int newMoveNr)
17055 long lastTickLength;
17057 int flagged = FALSE;
17061 if (StopClockTimer() && appData.clockMode) {
17062 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17063 if (!WhiteOnMove(forwardMostMove)) {
17064 if(blackNPS >= 0) lastTickLength = 0;
17065 blackTimeRemaining -= lastTickLength;
17066 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17067 // if(pvInfoList[forwardMostMove].time == -1)
17068 pvInfoList[forwardMostMove].time = // use GUI time
17069 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17071 if(whiteNPS >= 0) lastTickLength = 0;
17072 whiteTimeRemaining -= lastTickLength;
17073 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17074 // if(pvInfoList[forwardMostMove].time == -1)
17075 pvInfoList[forwardMostMove].time =
17076 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17078 flagged = CheckFlags();
17080 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17081 CheckTimeControl();
17083 if (flagged || !appData.clockMode) return;
17085 switch (gameMode) {
17086 case MachinePlaysBlack:
17087 case MachinePlaysWhite:
17088 case BeginningOfGame:
17089 if (pausing) return;
17093 case PlayFromGameFile:
17101 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17102 if(WhiteOnMove(forwardMostMove))
17103 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17104 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17108 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17109 whiteTimeRemaining : blackTimeRemaining);
17110 StartClockTimer(intendedTickLength);
17114 /* Stop both clocks */
17118 long lastTickLength;
17121 if (!StopClockTimer()) return;
17122 if (!appData.clockMode) return;
17126 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17127 if (WhiteOnMove(forwardMostMove)) {
17128 if(whiteNPS >= 0) lastTickLength = 0;
17129 whiteTimeRemaining -= lastTickLength;
17130 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17132 if(blackNPS >= 0) lastTickLength = 0;
17133 blackTimeRemaining -= lastTickLength;
17134 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17139 /* Start clock of player on move. Time may have been reset, so
17140 if clock is already running, stop and restart it. */
17144 (void) StopClockTimer(); /* in case it was running already */
17145 DisplayBothClocks();
17146 if (CheckFlags()) return;
17148 if (!appData.clockMode) return;
17149 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17151 GetTimeMark(&tickStartTM);
17152 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17153 whiteTimeRemaining : blackTimeRemaining);
17155 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17156 whiteNPS = blackNPS = -1;
17157 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17158 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17159 whiteNPS = first.nps;
17160 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17161 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17162 blackNPS = first.nps;
17163 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17164 whiteNPS = second.nps;
17165 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17166 blackNPS = second.nps;
17167 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17169 StartClockTimer(intendedTickLength);
17173 TimeString (long ms)
17175 long second, minute, hour, day;
17177 static char buf[32];
17179 if (ms > 0 && ms <= 9900) {
17180 /* convert milliseconds to tenths, rounding up */
17181 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17183 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17187 /* convert milliseconds to seconds, rounding up */
17188 /* use floating point to avoid strangeness of integer division
17189 with negative dividends on many machines */
17190 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17197 day = second / (60 * 60 * 24);
17198 second = second % (60 * 60 * 24);
17199 hour = second / (60 * 60);
17200 second = second % (60 * 60);
17201 minute = second / 60;
17202 second = second % 60;
17205 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17206 sign, day, hour, minute, second);
17208 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17210 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17217 * This is necessary because some C libraries aren't ANSI C compliant yet.
17220 StrStr (char *string, char *match)
17224 length = strlen(match);
17226 for (i = strlen(string) - length; i >= 0; i--, string++)
17227 if (!strncmp(match, string, length))
17234 StrCaseStr (char *string, char *match)
17238 length = strlen(match);
17240 for (i = strlen(string) - length; i >= 0; i--, string++) {
17241 for (j = 0; j < length; j++) {
17242 if (ToLower(match[j]) != ToLower(string[j]))
17245 if (j == length) return string;
17253 StrCaseCmp (char *s1, char *s2)
17258 c1 = ToLower(*s1++);
17259 c2 = ToLower(*s2++);
17260 if (c1 > c2) return 1;
17261 if (c1 < c2) return -1;
17262 if (c1 == NULLCHAR) return 0;
17270 return isupper(c) ? tolower(c) : c;
17277 return islower(c) ? toupper(c) : c;
17279 #endif /* !_amigados */
17286 if ((ret = (char *) malloc(strlen(s) + 1)))
17288 safeStrCpy(ret, s, strlen(s)+1);
17294 StrSavePtr (char *s, char **savePtr)
17299 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17300 safeStrCpy(*savePtr, s, strlen(s)+1);
17312 clock = time((time_t *)NULL);
17313 tm = localtime(&clock);
17314 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17315 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17316 return StrSave(buf);
17321 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17323 int i, j, fromX, fromY, toX, toY;
17330 whiteToPlay = (gameMode == EditPosition) ?
17331 !blackPlaysFirst : (move % 2 == 0);
17334 /* Piece placement data */
17335 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17336 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17338 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17339 if (boards[move][i][j] == EmptySquare) {
17341 } else { ChessSquare piece = boards[move][i][j];
17342 if (emptycount > 0) {
17343 if(emptycount<10) /* [HGM] can be >= 10 */
17344 *p++ = '0' + emptycount;
17345 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17348 if(PieceToChar(piece) == '+') {
17349 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17351 piece = (ChessSquare)(DEMOTED piece);
17353 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
17355 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17356 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
17361 if (emptycount > 0) {
17362 if(emptycount<10) /* [HGM] can be >= 10 */
17363 *p++ = '0' + emptycount;
17364 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17371 /* [HGM] print Crazyhouse or Shogi holdings */
17372 if( gameInfo.holdingsWidth ) {
17373 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17375 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17376 piece = boards[move][i][BOARD_WIDTH-1];
17377 if( piece != EmptySquare )
17378 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17379 *p++ = PieceToChar(piece);
17381 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17382 piece = boards[move][BOARD_HEIGHT-i-1][0];
17383 if( piece != EmptySquare )
17384 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17385 *p++ = PieceToChar(piece);
17388 if( q == p ) *p++ = '-';
17394 *p++ = whiteToPlay ? 'w' : 'b';
17397 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17398 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17400 if(nrCastlingRights) {
17402 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
17403 /* [HGM] write directly from rights */
17404 if(boards[move][CASTLING][2] != NoRights &&
17405 boards[move][CASTLING][0] != NoRights )
17406 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17407 if(boards[move][CASTLING][2] != NoRights &&
17408 boards[move][CASTLING][1] != NoRights )
17409 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17410 if(boards[move][CASTLING][5] != NoRights &&
17411 boards[move][CASTLING][3] != NoRights )
17412 *p++ = boards[move][CASTLING][3] + AAA;
17413 if(boards[move][CASTLING][5] != NoRights &&
17414 boards[move][CASTLING][4] != NoRights )
17415 *p++ = boards[move][CASTLING][4] + AAA;
17418 /* [HGM] write true castling rights */
17419 if( nrCastlingRights == 6 ) {
17421 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17422 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17423 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17424 boards[move][CASTLING][2] != NoRights );
17425 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17426 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17427 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17428 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17429 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17433 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17434 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17435 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17436 boards[move][CASTLING][5] != NoRights );
17437 if(gameInfo.variant == VariantSChess) {
17438 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17439 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17440 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17441 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17446 if (q == p) *p++ = '-'; /* No castling rights */
17450 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17451 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17452 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17453 /* En passant target square */
17454 if (move > backwardMostMove) {
17455 fromX = moveList[move - 1][0] - AAA;
17456 fromY = moveList[move - 1][1] - ONE;
17457 toX = moveList[move - 1][2] - AAA;
17458 toY = moveList[move - 1][3] - ONE;
17459 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17460 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17461 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17463 /* 2-square pawn move just happened */
17465 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17469 } else if(move == backwardMostMove) {
17470 // [HGM] perhaps we should always do it like this, and forget the above?
17471 if((signed char)boards[move][EP_STATUS] >= 0) {
17472 *p++ = boards[move][EP_STATUS] + AAA;
17473 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17485 { int i = 0, j=move;
17487 /* [HGM] find reversible plies */
17488 if (appData.debugMode) { int k;
17489 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17490 for(k=backwardMostMove; k<=forwardMostMove; k++)
17491 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17495 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17496 if( j == backwardMostMove ) i += initialRulePlies;
17497 sprintf(p, "%d ", i);
17498 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17500 /* Fullmove number */
17501 sprintf(p, "%d", (move / 2) + 1);
17502 } else *--p = NULLCHAR;
17504 return StrSave(buf);
17508 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
17512 int emptycount, virgin[BOARD_FILES];
17517 /* Piece placement data */
17518 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17521 if (*p == '/' || *p == ' ' || *p == '[' ) {
17523 emptycount = gameInfo.boardWidth - j;
17524 while (emptycount--)
17525 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17526 if (*p == '/') p++;
17527 else if(autoSize) { // we stumbled unexpectedly into end of board
17528 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
17529 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
17531 appData.NrRanks = gameInfo.boardHeight - i; i=0;
17534 #if(BOARD_FILES >= 10)
17535 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17536 p++; emptycount=10;
17537 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17538 while (emptycount--)
17539 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17541 } else if (*p == '*') {
17542 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
17543 } else if (isdigit(*p)) {
17544 emptycount = *p++ - '0';
17545 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17546 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17547 while (emptycount--)
17548 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17549 } else if (*p == '+' || isalpha(*p)) {
17550 if (j >= gameInfo.boardWidth) return FALSE;
17552 piece = CharToPiece(*++p);
17553 if(piece == EmptySquare) return FALSE; /* unknown piece */
17554 piece = (ChessSquare) (CHUPROMOTED piece ); p++;
17555 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17556 } else piece = CharToPiece(*p++);
17558 if(piece==EmptySquare) return FALSE; /* unknown piece */
17559 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17560 piece = (ChessSquare) (PROMOTED piece);
17561 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17564 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17570 while (*p == '/' || *p == ' ') p++;
17572 if(autoSize) appData.NrFiles = w, InitPosition(TRUE);
17574 /* [HGM] by default clear Crazyhouse holdings, if present */
17575 if(gameInfo.holdingsWidth) {
17576 for(i=0; i<BOARD_HEIGHT; i++) {
17577 board[i][0] = EmptySquare; /* black holdings */
17578 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17579 board[i][1] = (ChessSquare) 0; /* black counts */
17580 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17584 /* [HGM] look for Crazyhouse holdings here */
17585 while(*p==' ') p++;
17586 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17588 if(*p == '-' ) p++; /* empty holdings */ else {
17589 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17590 /* if we would allow FEN reading to set board size, we would */
17591 /* have to add holdings and shift the board read so far here */
17592 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17594 if((int) piece >= (int) BlackPawn ) {
17595 i = (int)piece - (int)BlackPawn;
17596 i = PieceToNumber((ChessSquare)i);
17597 if( i >= gameInfo.holdingsSize ) return FALSE;
17598 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17599 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17601 i = (int)piece - (int)WhitePawn;
17602 i = PieceToNumber((ChessSquare)i);
17603 if( i >= gameInfo.holdingsSize ) return FALSE;
17604 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17605 board[i][BOARD_WIDTH-2]++; /* black holdings */
17612 while(*p == ' ') p++;
17616 if(appData.colorNickNames) {
17617 if( c == appData.colorNickNames[0] ) c = 'w'; else
17618 if( c == appData.colorNickNames[1] ) c = 'b';
17622 *blackPlaysFirst = FALSE;
17625 *blackPlaysFirst = TRUE;
17631 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17632 /* return the extra info in global variiables */
17634 /* set defaults in case FEN is incomplete */
17635 board[EP_STATUS] = EP_UNKNOWN;
17636 for(i=0; i<nrCastlingRights; i++ ) {
17637 board[CASTLING][i] =
17638 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17639 } /* assume possible unless obviously impossible */
17640 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17641 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17642 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17643 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17644 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17645 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17646 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17647 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17650 while(*p==' ') p++;
17651 if(nrCastlingRights) {
17652 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17653 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17654 /* castling indicator present, so default becomes no castlings */
17655 for(i=0; i<nrCastlingRights; i++ ) {
17656 board[CASTLING][i] = NoRights;
17659 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17660 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17661 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17662 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17663 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17665 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17666 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17667 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17669 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17670 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17671 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17672 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17673 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17674 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17677 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17678 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17679 board[CASTLING][2] = whiteKingFile;
17680 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17681 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17684 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17685 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17686 board[CASTLING][2] = whiteKingFile;
17687 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17688 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17691 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17692 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17693 board[CASTLING][5] = blackKingFile;
17694 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17695 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17698 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17699 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17700 board[CASTLING][5] = blackKingFile;
17701 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17702 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17705 default: /* FRC castlings */
17706 if(c >= 'a') { /* black rights */
17707 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17708 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17709 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17710 if(i == BOARD_RGHT) break;
17711 board[CASTLING][5] = i;
17713 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17714 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17716 board[CASTLING][3] = c;
17718 board[CASTLING][4] = c;
17719 } else { /* white rights */
17720 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17721 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17722 if(board[0][i] == WhiteKing) break;
17723 if(i == BOARD_RGHT) break;
17724 board[CASTLING][2] = i;
17725 c -= AAA - 'a' + 'A';
17726 if(board[0][c] >= WhiteKing) break;
17728 board[CASTLING][0] = c;
17730 board[CASTLING][1] = c;
17734 for(i=0; i<nrCastlingRights; i++)
17735 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17736 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17737 if (appData.debugMode) {
17738 fprintf(debugFP, "FEN castling rights:");
17739 for(i=0; i<nrCastlingRights; i++)
17740 fprintf(debugFP, " %d", board[CASTLING][i]);
17741 fprintf(debugFP, "\n");
17744 while(*p==' ') p++;
17747 /* read e.p. field in games that know e.p. capture */
17748 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17749 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17750 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17752 p++; board[EP_STATUS] = EP_NONE;
17754 char c = *p++ - AAA;
17756 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17757 if(*p >= '0' && *p <='9') p++;
17758 board[EP_STATUS] = c;
17763 if(sscanf(p, "%d", &i) == 1) {
17764 FENrulePlies = i; /* 50-move ply counter */
17765 /* (The move number is still ignored) */
17772 EditPositionPasteFEN (char *fen)
17775 Board initial_position;
17777 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
17778 DisplayError(_("Bad FEN position in clipboard"), 0);
17781 int savedBlackPlaysFirst = blackPlaysFirst;
17782 EditPositionEvent();
17783 blackPlaysFirst = savedBlackPlaysFirst;
17784 CopyBoard(boards[0], initial_position);
17785 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17786 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17787 DisplayBothClocks();
17788 DrawPosition(FALSE, boards[currentMove]);
17793 static char cseq[12] = "\\ ";
17796 set_cont_sequence (char *new_seq)
17801 // handle bad attempts to set the sequence
17803 return 0; // acceptable error - no debug
17805 len = strlen(new_seq);
17806 ret = (len > 0) && (len < sizeof(cseq));
17808 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17809 else if (appData.debugMode)
17810 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17815 reformat a source message so words don't cross the width boundary. internal
17816 newlines are not removed. returns the wrapped size (no null character unless
17817 included in source message). If dest is NULL, only calculate the size required
17818 for the dest buffer. lp argument indicats line position upon entry, and it's
17819 passed back upon exit.
17822 wrap (char *dest, char *src, int count, int width, int *lp)
17824 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17826 cseq_len = strlen(cseq);
17827 old_line = line = *lp;
17828 ansi = len = clen = 0;
17830 for (i=0; i < count; i++)
17832 if (src[i] == '\033')
17835 // if we hit the width, back up
17836 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17838 // store i & len in case the word is too long
17839 old_i = i, old_len = len;
17841 // find the end of the last word
17842 while (i && src[i] != ' ' && src[i] != '\n')
17848 // word too long? restore i & len before splitting it
17849 if ((old_i-i+clen) >= width)
17856 if (i && src[i-1] == ' ')
17859 if (src[i] != ' ' && src[i] != '\n')
17866 // now append the newline and continuation sequence
17871 strncpy(dest+len, cseq, cseq_len);
17879 dest[len] = src[i];
17883 if (src[i] == '\n')
17888 if (dest && appData.debugMode)
17890 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17891 count, width, line, len, *lp);
17892 show_bytes(debugFP, src, count);
17893 fprintf(debugFP, "\ndest: ");
17894 show_bytes(debugFP, dest, len);
17895 fprintf(debugFP, "\n");
17897 *lp = dest ? line : old_line;
17902 // [HGM] vari: routines for shelving variations
17903 Boolean modeRestore = FALSE;
17906 PushInner (int firstMove, int lastMove)
17908 int i, j, nrMoves = lastMove - firstMove;
17910 // push current tail of game on stack
17911 savedResult[storedGames] = gameInfo.result;
17912 savedDetails[storedGames] = gameInfo.resultDetails;
17913 gameInfo.resultDetails = NULL;
17914 savedFirst[storedGames] = firstMove;
17915 savedLast [storedGames] = lastMove;
17916 savedFramePtr[storedGames] = framePtr;
17917 framePtr -= nrMoves; // reserve space for the boards
17918 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17919 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17920 for(j=0; j<MOVE_LEN; j++)
17921 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17922 for(j=0; j<2*MOVE_LEN; j++)
17923 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17924 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17925 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17926 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17927 pvInfoList[firstMove+i-1].depth = 0;
17928 commentList[framePtr+i] = commentList[firstMove+i];
17929 commentList[firstMove+i] = NULL;
17933 forwardMostMove = firstMove; // truncate game so we can start variation
17937 PushTail (int firstMove, int lastMove)
17939 if(appData.icsActive) { // only in local mode
17940 forwardMostMove = currentMove; // mimic old ICS behavior
17943 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17945 PushInner(firstMove, lastMove);
17946 if(storedGames == 1) GreyRevert(FALSE);
17947 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17951 PopInner (Boolean annotate)
17954 char buf[8000], moveBuf[20];
17956 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17957 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17958 nrMoves = savedLast[storedGames] - currentMove;
17961 if(!WhiteOnMove(currentMove))
17962 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17963 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17964 for(i=currentMove; i<forwardMostMove; i++) {
17966 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17967 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17968 strcat(buf, moveBuf);
17969 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17970 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17974 for(i=1; i<=nrMoves; i++) { // copy last variation back
17975 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17976 for(j=0; j<MOVE_LEN; j++)
17977 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17978 for(j=0; j<2*MOVE_LEN; j++)
17979 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17980 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17981 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17982 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17983 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17984 commentList[currentMove+i] = commentList[framePtr+i];
17985 commentList[framePtr+i] = NULL;
17987 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17988 framePtr = savedFramePtr[storedGames];
17989 gameInfo.result = savedResult[storedGames];
17990 if(gameInfo.resultDetails != NULL) {
17991 free(gameInfo.resultDetails);
17993 gameInfo.resultDetails = savedDetails[storedGames];
17994 forwardMostMove = currentMove + nrMoves;
17998 PopTail (Boolean annotate)
18000 if(appData.icsActive) return FALSE; // only in local mode
18001 if(!storedGames) return FALSE; // sanity
18002 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18004 PopInner(annotate);
18005 if(currentMove < forwardMostMove) ForwardEvent(); else
18006 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18008 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18014 { // remove all shelved variations
18016 for(i=0; i<storedGames; i++) {
18017 if(savedDetails[i])
18018 free(savedDetails[i]);
18019 savedDetails[i] = NULL;
18021 for(i=framePtr; i<MAX_MOVES; i++) {
18022 if(commentList[i]) free(commentList[i]);
18023 commentList[i] = NULL;
18025 framePtr = MAX_MOVES-1;
18030 LoadVariation (int index, char *text)
18031 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18032 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18033 int level = 0, move;
18035 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18036 // first find outermost bracketing variation
18037 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18038 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18039 if(*p == '{') wait = '}'; else
18040 if(*p == '[') wait = ']'; else
18041 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18042 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18044 if(*p == wait) wait = NULLCHAR; // closing ]} found
18047 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18048 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18049 end[1] = NULLCHAR; // clip off comment beyond variation
18050 ToNrEvent(currentMove-1);
18051 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18052 // kludge: use ParsePV() to append variation to game
18053 move = currentMove;
18054 ParsePV(start, TRUE, TRUE);
18055 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18056 ClearPremoveHighlights();
18058 ToNrEvent(currentMove+1);
18064 char *p, *q, buf[MSG_SIZ];
18065 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18066 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18067 ParseArgsFromString(buf);
18068 ActivateTheme(TRUE); // also redo colors
18072 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18075 q = appData.themeNames;
18076 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18077 if(appData.useBitmaps) {
18078 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18079 appData.liteBackTextureFile, appData.darkBackTextureFile,
18080 appData.liteBackTextureMode,
18081 appData.darkBackTextureMode );
18083 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18084 Col2Text(2), // lightSquareColor
18085 Col2Text(3) ); // darkSquareColor
18087 if(appData.useBorder) {
18088 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18091 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18093 if(appData.useFont) {
18094 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18095 appData.renderPiecesWithFont,
18096 appData.fontToPieceTable,
18097 Col2Text(9), // appData.fontBackColorWhite
18098 Col2Text(10) ); // appData.fontForeColorBlack
18100 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18101 appData.pieceDirectory);
18102 if(!appData.pieceDirectory[0])
18103 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18104 Col2Text(0), // whitePieceColor
18105 Col2Text(1) ); // blackPieceColor
18107 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18108 Col2Text(4), // highlightSquareColor
18109 Col2Text(5) ); // premoveHighlightColor
18110 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18111 if(insert != q) insert[-1] = NULLCHAR;
18112 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18115 ActivateTheme(FALSE);