-/*\r
- * backend.h -- Interface exported by XBoard back end\r
- * $Id: backend.h,v 2.1 2003/10/27 19:21:00 mann Exp $\r
- *\r
- * Copyright 1991 by Digital Equipment Corporation, Maynard, Massachusetts.\r
- * Enhancements Copyright 1992-95 Free Software Foundation, Inc.\r
- *\r
- * The following terms apply to Digital Equipment Corporation's copyright\r
- * interest in XBoard:\r
- * ------------------------------------------------------------------------\r
- * All Rights Reserved\r
- *\r
- * Permission to use, copy, modify, and distribute this software and its\r
- * documentation for any purpose and without fee is hereby granted,\r
- * provided that the above copyright notice appear in all copies and that\r
- * both that copyright notice and this permission notice appear in\r
- * supporting documentation, and that the name of Digital not be\r
- * used in advertising or publicity pertaining to distribution of the\r
- * software without specific, written prior permission.\r
- *\r
- * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING\r
- * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL\r
- * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR\r
- * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,\r
- * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,\r
- * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS\r
- * SOFTWARE.\r
- * ------------------------------------------------------------------------\r
- *\r
- * The following terms apply to the enhanced version of XBoard distributed\r
- * by the Free Software Foundation:\r
- * ------------------------------------------------------------------------\r
- * This program is free software; you can redistribute it and/or modify\r
- * it under the terms of the GNU General Public License as published by\r
- * the Free Software Foundation; either version 2 of the License, or\r
- * (at your option) any later version.\r
- *\r
- * This program is distributed in the hope that it will be useful,\r
- * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
- * GNU General Public License for more details.\r
- *\r
- * You should have received a copy of the GNU General Public License\r
- * along with this program; if not, write to the Free Software\r
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.\r
- * ------------------------------------------------------------------------\r
- */\r
-#ifndef _BACKEND\r
-#define _BACKEND\r
-\r
-#include "lists.h"\r
-#include "frontend.h"\r
-\r
-extern int gotPremove;\r
-extern GameMode gameMode;\r
-extern int pausing, cmailMsgLoaded, flipView;\r
-extern char white_holding[], black_holding[];\r
-extern int currentMove, backwardMostMove, forwardMostMove;\r
-extern int blackPlaysFirst;\r
-extern FILE *debugFP;\r
-extern char* programVersion;\r
-extern ProcRef firstProgramPR, secondProgramPR;\r
-extern Board boards[];\r
-\r
-char *CmailMsg P((void));\r
-/* Tord: Added the useFEN960 parameter in PositionToFEN() below */\r
-char *PositionToFEN P((int move, int useFEN960));\r
-void AlphaRank P((char *s, int n)); /* [HGM] Shogi move preprocessor */\r
-void EditPositionPasteFEN P((char *fen));\r
-void TimeDelay P((long ms));\r
-void SendMultiLineToICS P(( char *text ));\r
-void AnalysisPeriodicEvent P((int force));\r
-void SetWhiteToPlayEvent P((void));\r
-void SetBlackToPlayEvent P((void));\r
-void InitBackEnd1 P((void));\r
-void InitBackEnd2 P((void));\r
-int IsPromotion P((int fromX, int fromY, int toX, int toY));\r
-int InPalace P((int row, int column));\r
-int PieceForSquare P((int x, int y));\r
-int OKToStartUserMove P((int x, int y));\r
-void Reset P((int redraw, int init));\r
-void ResetGameEvent P((void));\r
-int LoadGame P((FILE *f, int n, char *title, int useList));\r
-int LoadGameFromFile P((char *filename, int n, char *title, int useList));\r
-int CmailLoadGame P((FILE *f, int n, char *title, int useList));\r
-int ReloadGame P((int offset));\r
-int SaveGame P((FILE *f, int dummy, char *dummy2));\r
-int SaveGameToFile P((char *filename, int append));\r
-int LoadPosition P((FILE *f, int n, char *title));\r
-int ReloadPosition P((int offset));\r
-int SavePosition P((FILE *f, int dummy, char *dummy2));\r
-void EditPositionEvent P((void));\r
-void FlipViewEvent P((void));\r
-void MachineWhiteEvent P((void));\r
-void MachineBlackEvent P((void));\r
-void TwoMachinesEvent P((void));\r
-void EditGameEvent P((void));\r
-void TrainingEvent P((void));\r
-void IcsClientEvent P((void));\r
-void ForwardEvent P((void));\r
-void BackwardEvent P((void));\r
-void ToEndEvent P((void));\r
-void ToStartEvent P((void));\r
-void ToNrEvent P((int to));\r
-void RevertEvent P((void));\r
-void RetractMoveEvent P((void));\r
-void MoveNowEvent P((void));\r
-void TruncateGameEvent P((void));\r
-void PauseEvent P((void));\r
-void CallFlagEvent P((void));\r
-void AcceptEvent P((void));\r
-void DeclineEvent P((void));\r
-void RematchEvent P((void));\r
-void DrawEvent P((void));\r
-void AbortEvent P((void));\r
-void AdjournEvent P((void));\r
-void ResignEvent P((void));\r
-void UserAdjudicationEvent P((int result));\r
-void StopObservingEvent P((void));\r
-void StopExaminingEvent P((void));\r
-void PonderNextMoveEvent P((int newState));\r
-void ShowThinkingEvent P((int newState));\r
-void PeriodicUpdatesEvent P((int newState));\r
-void HintEvent P((void));\r
-void BookEvent P((void));\r
-void AboutGameEvent P((void));\r
-void ExitEvent P((int status));\r
-char *DefaultFileName P((char *));\r
-ChessMove UserMoveTest P((int fromX, int fromY, int toX, int toY, int promoChar));\r
-void UserMoveEvent P((int fromX, int fromY, int toX, int toY, int promoChar));\r
-void DecrementClocks P((void));\r
-char *TimeString P((long millisec));\r
-void AutoPlayGameLoop P((void));\r
-void AdjustClock P((Boolean which, int dir));\r
-void DisplayBothClocks P((void));\r
-void EditPositionMenuEvent P((ChessSquare selection, int x, int y));\r
-void DropMenuEvent P((ChessSquare selection, int x, int y));\r
-int ParseTimeControl P((char *tc, int ti, int mps));\r
-void ProcessICSInitScript P((FILE * f));\r
-void EditCommentEvent P((void));\r
-void ReplaceComment P((int index, char *text));\r
-int ReplaceTags P((char *tags, GameInfo *gi));/* returns nonzero on error */\r
-void AppendComment P((int index, char *text));\r
-void ReloadCmailMsgEvent P((int unregister));\r
-void MailMoveEvent P((void));\r
-void EditTagsEvent P((void));\r
-void GetMoveListEvent P((void));\r
-void ExitAnalyzeMode P((void));\r
-void AnalyzeModeEvent P((void));\r
-void AnalyzeFileEvent P((void));\r
-void DoEcho P((void));\r
-void DontEcho P((void));\r
-void TidyProgramName P((char *prog, char *host, char *buf));\r
-void AskQuestionEvent P((char *title, char *question,\r
- char *replyPrefix, char *which));\r
-Boolean ParseOneMove P((char *move, int moveNum,\r
- ChessMove *moveType, int *fromX, int *fromY,\r
- int *toX, int *toY, char *promoChar));\r
-char *VariantName P((VariantClass v));\r
-VariantClass StringToVariant P((char *e));\r
-\r
-char *StrStr P((char *string, char *match));\r
-char *StrCaseStr P((char *string, char *match));\r
-char *StrSave P((char *s));\r
-char *StrSavePtr P((char *s, char **savePtr));\r
-\r
-#ifndef _amigados\r
-int StrCaseCmp P((char *s1, char *s2));\r
-int ToLower P((int c));\r
-int ToUpper P((int c));\r
-#else\r
-#define StrCaseCmp Stricmp /* Use utility.library functions */\r
-#include <proto/utility.h>\r
-#endif\r
-\r
-extern GameInfo gameInfo;\r
-\r
-\r
-/* pgntags.c prototypes\r
- */\r
-char *PGNTags P((GameInfo *));\r
-void PrintPGNTags P((FILE *f, GameInfo *));\r
-int ParsePGNTag P((char *, GameInfo *));\r
-char *PGNResult P((ChessMove result));\r
-\r
-\r
-/* gamelist.c prototypes\r
- */\r
-/* A game node in the double linked list of games.\r
- */\r
-typedef struct _ListGame {\r
- ListNode node;\r
- int number;\r
- unsigned long offset; /* Byte offset of game within file. */\r
- GameInfo gameInfo; /* Note that some entries may be NULL. */\r
-} ListGame;\r
- \r
-extern List gameList;\r
-void ClearGameInfo P((GameInfo *));\r
-int GameListBuild P((FILE *));\r
-void GameListInitGameInfo P((GameInfo *));\r
-char *GameListLine P((int, GameInfo *));\r
-char * GameListLineFull P(( int, GameInfo *));\r
-\r
-extern char* StripHighlight P((char *)); /* returns static data */\r
-extern char* StripHighlightAndTitle P((char *)); /* returns static data */\r
-\r
-typedef struct _CPS {\r
- char *which;\r
- int maybeThinking;\r
- ProcRef pr;\r
- InputSourceRef isr;\r
- char *twoMachinesColor; /* "white\n" or "black\n" */\r
- char *program;\r
- char *host;\r
- char *dir;\r
- struct _CPS *other;\r
- char *initString;\r
- char *computerString;\r
- int sendTime; /* 0=don't, 1=do, 2=test */\r
- int sendDrawOffers;\r
- int useSigint;\r
- int useSigterm;\r
- int offeredDraw; /* countdown */\r
- int reuse;\r
- int useSetboard; /* 0=use "edit"; 1=use "setboard" */\r
- int useSAN; /* 0=use coordinate notation; 1=use SAN */\r
- int usePing; /* 0=not OK to use ping; 1=OK */\r
- int lastPing;\r
- int lastPong;\r
- int usePlayother;/* 0=not OK to use playother; 1=OK */\r
- int useColors; /* 0=avoid obsolete white/black commands; 1=use them */\r
- int useUsermove; /* 0=just send move; 1=send "usermove move" */\r
- int sendICS; /* 0=don't use "ics" command; 1=do */\r
- int sendName; /* 0=don't use "name" command; 1=do */\r
- int sdKludge; /* 0=use "sd DEPTH" command; 1=use "depth\nDEPTH" */\r
- int stKludge; /* 0=use "st TIME" command; 1=use "level 1 TIME" */\r
- char tidy[MSG_SIZ];\r
- int matchWins;\r
- char variants[MSG_SIZ];\r
- int analysisSupport;\r
- int analyzing;\r
- int protocolVersion;\r
- int initDone;\r
-\r
- /* Added by Tord: */\r
- int useFEN960; /* 0=use "KQkq" style FENs, 1=use "HAha" style FENs */\r
- int useOOCastle; /* 0="O-O" notation for castling, 1="king capture rook" notation */\r
- /* End of additions by Tord */\r
-\r
- int scoreIsAbsolute; /* [AS] 0=don't know (standard), 1=score is always from white side */\r
- int isUCI; /* [AS] 0=no (Winboard), 1=UCI (requires Polyglot) */\r
- int hasOwnBookUCI; /* [AS] 0=use GUI or Polyglot book, 1=has own book */\r
-\r
- /* [HGM] time odds */\r
- int timeOdds; /* factor through which we divide time for this engine */\r
- int debug; /* [HGM] ignore engine debug lines starting with '#' */\r
- int maxNrOfSessions; /* [HGM] secondary TC: max args in 'level' command */\r
- int accumulateTC; /* [HGM] secondary TC: how to handle extra sessions */\r
-} ChessProgramState;\r
-\r
-extern ChessProgramState first, second;\r
-\r
-/* [AS] Search stats from chessprogram, for the played move */\r
-typedef struct {\r
- int score; /* Centipawns */\r
- int depth; /* Plies */\r
- int time; /* Milliseconds */\r
-} ChessProgramStats_Move;\r
-\r
-extern ChessProgramStats_Move pvInfoList[MAX_MOVES];\r
-\r
-#endif /* _BACKEND */\r
+/*
+ * backend.h -- Interface exported by XBoard back end
+ *
+ * Copyright 1991 by Digital Equipment Corporation, Maynard,
+ * Massachusetts.
+ *
+ * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
+ * 2007, 2008, 2009 Free Software Foundation, Inc.
+ *
+ * Enhancements Copyright 2005 Alessandro Scotti
+ *
+ * The following terms apply to Digital Equipment Corporation's copyright
+ * interest in XBoard:
+ * ------------------------------------------------------------------------
+ * All Rights Reserved
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted,
+ * provided that the above copyright notice appear in all copies and that
+ * both that copyright notice and this permission notice appear in
+ * supporting documentation, and that the name of Digital not be
+ * used in advertising or publicity pertaining to distribution of the
+ * software without specific, written prior permission.
+ *
+ * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+ * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ * ------------------------------------------------------------------------
+ *
+ * The following terms apply to the enhanced version of XBoard
+ * distributed by the Free Software Foundation:
+ * ------------------------------------------------------------------------
+ *
+ * GNU XBoard is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU XBoard is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see http://www.gnu.org/licenses/. *
+ *
+ *------------------------------------------------------------------------
+ ** See the file ChangeLog for a revision history. */
+
+#ifndef _BACKEND
+#define _BACKEND
+
+/* unsigned int 64 for engine nodes work and display */
+#ifdef WIN32
+ /* I don't know the name for this type of other compiler
+ * If it not work, just modify here
+ * This is for MS Visual Studio
+ */
+ #ifdef _MSC_VER
+ #define u64 unsigned __int64
+ #define s64 signed __int64
+ #define u64Display "%I64u"
+ #define s64Display "%I64d"
+ #define u64Const(c) (c ## UI64)
+ #define s64Const(c) (c ## I64)
+ #else
+ /* place holder
+ * or dummy types for other compiler
+ */
+ #define u64 unsigned long long
+ #define s64 signed long long
+ #define u64Display "%llu"
+ #define s64Display "%lld"
+ #define u64Const(c) (c ## ULL)
+ #define s64Const(c) (c ## LL)
+ #endif
+#else
+ /* GNU gcc */
+ #define u64 unsigned long long
+ #define s64 signed long long
+ #define u64Display "%llu"
+ #define s64Display "%lld"
+ #define u64Const(c) (c ## ull)
+ #define s64Const(c) (c ## ll)
+#endif
+
+#include "lists.h"
+#include "frontend.h"
+
+extern int gotPremove;
+extern GameMode gameMode;
+extern int pausing, cmailMsgLoaded, flipView, mute;
+extern char white_holding[], black_holding[];
+extern int currentMove, backwardMostMove, forwardMostMove;
+extern int blackPlaysFirst;
+extern FILE *debugFP;
+extern char* programVersion;
+extern ProcRef firstProgramPR, secondProgramPR;
+extern Board boards[];
+
+char *CmailMsg P((void));
+/* Tord: Added the useFEN960 parameter in PositionToFEN() below */
+char *PositionToFEN P((int move, char* useFEN960));
+void AlphaRank P((char *s, int n)); /* [HGM] Shogi move preprocessor */
+void EditPositionPasteFEN P((char *fen));
+void TimeDelay P((long ms));
+void SendMultiLineToICS P(( char *text ));
+void AnalysisPeriodicEvent P((int force));
+void SetWhiteToPlayEvent P((void));
+void SetBlackToPlayEvent P((void));
+void InitBackEnd1 P((void));
+void InitBackEnd2 P((void));
+int IsPromotion P((int fromX, int fromY, int toX, int toY));
+int InPalace P((int row, int column));
+int PieceForSquare P((int x, int y));
+int OKToStartUserMove P((int x, int y));
+void Reset P((int redraw, int init));
+void ResetGameEvent P((void));
+int LoadGame P((FILE *f, int n, char *title, int useList));
+int LoadGameFromFile P((char *filename, int n, char *title, int useList));
+int CmailLoadGame P((FILE *f, int n, char *title, int useList));
+int ReloadGame P((int offset));
+int SaveGame P((FILE *f, int dummy, char *dummy2));
+int SaveGameToFile P((char *filename, int append));
+int LoadPosition P((FILE *f, int n, char *title));
+int ReloadPosition P((int offset));
+int SavePosition P((FILE *f, int dummy, char *dummy2));
+void EditPositionEvent P((void));
+void FlipViewEvent P((void));
+void MachineWhiteEvent P((void));
+void MachineBlackEvent P((void));
+void TwoMachinesEvent P((void));
+void EditGameEvent P((void));
+void TrainingEvent P((void));
+void IcsClientEvent P((void));
+void ForwardEvent P((void));
+void BackwardEvent P((void));
+void ToEndEvent P((void));
+void ToStartEvent P((void));
+void ToNrEvent P((int to));
+void RevertEvent P((void));
+void RetractMoveEvent P((void));
+void MoveNowEvent P((void));
+void TruncateGameEvent P((void));
+void PauseEvent P((void));
+void CallFlagEvent P((void));
+void AcceptEvent P((void));
+void DeclineEvent P((void));
+void RematchEvent P((void));
+void DrawEvent P((void));
+void AbortEvent P((void));
+void AdjournEvent P((void));
+void ResignEvent P((void));
+void UserAdjudicationEvent P((int result));
+void StopObservingEvent P((void));
+void StopExaminingEvent P((void));
+void PonderNextMoveEvent P((int newState));
+void NewSettingeEvent P((int option, char *command, int value));
+void ShowThinkingEvent P(());
+void PeriodicUpdatesEvent P((int newState));
+void HintEvent P((void));
+void BookEvent P((void));
+void AboutGameEvent P((void));
+void ExitEvent P((int status));
+char *DefaultFileName P((char *));
+ChessMove UserMoveTest P((int fromX, int fromY, int toX, int toY, int promoChar));
+void UserMoveEvent P((int fromX, int fromY, int toX, int toY, int promoChar));
+void DecrementClocks P((void));
+char *TimeString P((long millisec));
+void AutoPlayGameLoop P((void));
+void AdjustClock P((Boolean which, int dir));
+void DisplayBothClocks P((void));
+void EditPositionMenuEvent P((ChessSquare selection, int x, int y));
+void DropMenuEvent P((ChessSquare selection, int x, int y));
+int ParseTimeControl P((char *tc, int ti, int mps));
+void ProcessICSInitScript P((FILE * f));
+void EditCommentEvent P((void));
+void ReplaceComment P((int index, char *text));
+int ReplaceTags P((char *tags, GameInfo *gi));/* returns nonzero on error */
+void AppendComment P((int index, char *text));
+void ReloadCmailMsgEvent P((int unregister));
+void MailMoveEvent P((void));
+void EditTagsEvent P((void));
+void GetMoveListEvent P((void));
+void ExitAnalyzeMode P((void));
+void AnalyzeModeEvent P((void));
+void AnalyzeFileEvent P((void));
+void InitPosition P((int redraw));
+void NewSettingEvent P((int option, char *command, int value));
+void DoEcho P((void));
+void DontEcho P((void));
+void TidyProgramName P((char *prog, char *host, char *buf));
+void AskQuestionEvent P((char *title, char *question,
+ char *replyPrefix, char *which));
+Boolean ParseOneMove P((char *move, int moveNum,
+ ChessMove *moveType, int *fromX, int *fromY,
+ int *toX, int *toY, char *promoChar));
+char *VariantName P((VariantClass v));
+VariantClass StringToVariant P((char *e));
+double u64ToDouble P((u64 value));
+void OutputChatMessage P((int partner, char *mess));
+
+
+char *StrStr P((char *string, char *match));
+char *StrCaseStr P((char *string, char *match));
+char *StrSave P((char *s));
+char *StrSavePtr P((char *s, char **savePtr));
+
+#ifndef _amigados
+int StrCaseCmp P((char *s1, char *s2));
+int ToLower P((int c));
+int ToUpper P((int c));
+#else
+#define StrCaseCmp Stricmp /* Use utility.library functions */
+#include <proto/utility.h>
+#endif
+
+extern GameInfo gameInfo;
+
+/* ICS vars used with backend.c and zippy.c */
+#define ICS_GENERIC 0
+#define ICS_ICC 1
+#define ICS_FICS 2
+#define ICS_CHESSNET 3 /* not really supported */
+int ics_type;
+
+
+
+/* pgntags.c prototypes
+ */
+char *PGNTags P((GameInfo *));
+void PrintPGNTags P((FILE *f, GameInfo *));
+int ParsePGNTag P((char *, GameInfo *));
+char *PGNResult P((ChessMove result));
+
+
+/* gamelist.c prototypes
+ */
+/* A game node in the double linked list of games.
+ */
+typedef struct _ListGame {
+ ListNode node;
+ int number;
+ unsigned long offset; /* Byte offset of game within file. */
+ GameInfo gameInfo; /* Note that some entries may be NULL. */
+} ListGame;
+
+extern List gameList;
+void ClearGameInfo P((GameInfo *));
+int GameListBuild P((FILE *));
+void GameListInitGameInfo P((GameInfo *));
+char *GameListLine P((int, GameInfo *));
+char * GameListLineFull P(( int, GameInfo *));
+
+extern char* StripHighlight P((char *)); /* returns static data */
+extern char* StripHighlightAndTitle P((char *)); /* returns static data */
+
+typedef enum { CheckBox, ComboBox, TextBox, Button, Spin, ResetButton,
+ SaveButton, FileName, PathName, Slider, Message } Control;
+
+typedef struct _OPT { // [HGM] options: descriptor of UCI-style option
+ int value; // current setting, starts as default
+ int min;
+ int max;
+ void *handle; // for use by front end
+ char *textValue; // points to beginning of text value in name field
+ char **choice; // points to array of combo choices in cps->combo
+ Control type;
+ char name[MSG_SIZ]; // holds both option name and text value
+} Option;
+
+typedef struct _CPS {
+ char *which;
+ int maybeThinking;
+ ProcRef pr;
+ InputSourceRef isr;
+ char *twoMachinesColor; /* "white\n" or "black\n" */
+ char *program;
+ char *host;
+ char *dir;
+ struct _CPS *other;
+ char *initString;
+ char *computerString;
+ int sendTime; /* 0=don't, 1=do, 2=test */
+ int sendDrawOffers;
+ int useSigint;
+ int useSigterm;
+ int offeredDraw; /* countdown */
+ int reuse;
+ int useSetboard; /* 0=use "edit"; 1=use "setboard" */
+ int useSAN; /* 0=use coordinate notation; 1=use SAN */
+ int usePing; /* 0=not OK to use ping; 1=OK */
+ int lastPing;
+ int lastPong;
+ int usePlayother;/* 0=not OK to use playother; 1=OK */
+ int useColors; /* 0=avoid obsolete white/black commands; 1=use them */
+ int useUsermove; /* 0=just send move; 1=send "usermove move" */
+ int sendICS; /* 0=don't use "ics" command; 1=do */
+ int sendName; /* 0=don't use "name" command; 1=do */
+ int sdKludge; /* 0=use "sd DEPTH" command; 1=use "depth\nDEPTH" */
+ int stKludge; /* 0=use "st TIME" command; 1=use "level 1 TIME" */
+ char tidy[MSG_SIZ];
+ int matchWins;
+ char variants[MSG_SIZ];
+ int analysisSupport;
+ int analyzing;
+ int protocolVersion;
+ int initDone;
+
+ /* Added by Tord: */
+ int useFEN960; /* 0=use "KQkq" style FENs, 1=use "HAha" style FENs */
+ int useOOCastle; /* 0="O-O" notation for castling, 1="king capture rook" notation */
+ /* End of additions by Tord */
+
+ int scoreIsAbsolute; /* [AS] 0=don't know (standard), 1=score is always from white side */
+ int isUCI; /* [AS] 0=no (Winboard), 1=UCI (requires Polyglot) */
+ int hasOwnBookUCI; /* [AS] 0=use GUI or Polyglot book, 1=has own book */
+
+ /* [HGM] time odds */
+ int timeOdds; /* factor through which we divide time for this engine */
+ int debug; /* [HGM] ignore engine debug lines starting with '#' */
+ int maxNrOfSessions; /* [HGM] secondary TC: max args in 'level' command */
+ int accumulateTC; /* [HGM] secondary TC: how to handle extra sessions */
+ int nps; /* [HGM] nps: factor for node count to replace time */
+ int supportsNPS;
+ int alphaRank; /* [HGM] shogi: engine uses shogi-type coordinates */
+ int maxCores; /* [HGM] SMP: engine understands cores command */
+ int memSize; /* [HGM] memsize: engine understands memory command */
+ char egtFormats[MSG_SIZ]; /* [HGM] EGT: supported tablebase formats */
+ int bookSuspend; /* [HGM] book: go was deferred because of book hit */
+ int nrOptions; /* [HGM] options: remembered option="..." features */
+#define MAX_OPTIONS 200
+ Option option[MAX_OPTIONS];
+ int comboCnt;
+ char *comboList[20*MAX_OPTIONS];
+ char *optionSettings;
+ void *programLogo; /* [HGM] logo: bitmap of the logo */
+ char *fenOverride; /* [HGM} FRC: force FEN casling & ep fields by hand */
+} ChessProgramState;
+
+extern ChessProgramState first, second;
+
+/* [AS] Search stats from chessprogram, for the played move */
+typedef struct {
+ int score; /* Centipawns */
+ int depth; /* Plies */
+ int time; /* Milliseconds */
+} ChessProgramStats_Move;
+
+/* Search stats from chessprogram */
+typedef struct {
+ char movelist[2*MSG_SIZ]; /* Last PV we were sent */
+ int depth; /* Current search depth */
+ int nr_moves; /* Total nr of root moves */
+ int moves_left; /* Moves remaining to be searched */
+ char move_name[MOVE_LEN]; /* Current move being searched, if provided */
+ u64 nodes; /* # of nodes searched */
+ int time; /* Search time (centiseconds) */
+ int score; /* Score (centipawns) */
+ int got_only_move; /* If last msg was "(only move)" */
+ int got_fail; /* 0 - nothing, 1 - got "--", 2 - got "++" */
+ int ok_to_send; /* handshaking between send & recv */
+ int line_is_book; /* 1 if movelist is book moves */
+ int seen_stat; /* 1 if we've seen the stat01: line */
+} ChessProgramStats;
+
+extern ChessProgramStats_Move pvInfoList[MAX_MOVES];
+extern int shuffleOpenings;
+extern ChessProgramStats programStats;
+
+#endif /* _BACKEND */
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