Subversion Repositories Games.Chess Giants

/*

  Copyright (c) 2011-2015 Ronald de Man

*/

#ifndef TBCORE_H

#  define TBCORE_H

#  ifndef _WIN32 // Pierre-Marie Baty -- fixed include guard

#    include <pthread.h>

#    define SEP_CHAR ':'

#    define FD int

#    define FD_ERR -1

#  else

#    include <windows.h>

#    define SEP_CHAR ';'

#    define FD HANDLE

#    define FD_ERR INVALID_HANDLE_VALUE

#  endif

#  define WDLSUFFIX ".rtbw"

#  define DTZSUFFIX ".rtbz"

#  define WDLDIR "RTBWDIR"

#  define DTZDIR "RTBZDIR"

#  define TBPIECES 6

#  define WDL_MAGIC 0x5d23e871

#  define DTZ_MAGIC 0xa50c66d7

#  define TBHASHBITS 10

typedef unsigned long long uint64;

typedef unsigned int uint32;

typedef unsigned char ubyte;

typedef unsigned short ushort;

struct TBHashEntry;

#  ifdef DECOMP64

typedef uint64 base_t;

#  else

typedef uint32 base_t;

#  endif

struct PairsData {

  char *indextable;

  ushort *sizetable;

  ubyte *data;

  ushort *offset;

  ubyte *symlen;

  ubyte *sympat;

  int blocksize;

  int idxbits;

  int min_len;

  base_t base[1];               // C++ complains about base[]...

};

struct TBEntry {

  char *data;

  uint64 key;

  uint64 mapping;

  ubyte ready;

  ubyte num;

  ubyte symmetric;

  ubyte has_pawns;

}

#ifndef _WIN32 // Pierre-Marie Baty -- MSVC doesn't like that

__attribute__ ((__may_alias__))

#endif // _WIN32

;

struct TBEntry_piece {

  char *data;

  uint64 key;

  uint64 mapping;

  ubyte ready;

  ubyte num;

  ubyte symmetric;

  ubyte has_pawns;

  ubyte enc_type;

  struct PairsData *precomp[2];

  int factor[2][TBPIECES];

  ubyte pieces[2][TBPIECES];

  ubyte norm[2][TBPIECES];

};

struct TBEntry_pawn {

  char *data;

  uint64 key;

  uint64 mapping;

  ubyte ready;

  ubyte num;

  ubyte symmetric;

  ubyte has_pawns;

  ubyte pawns[2];

  struct {

    struct PairsData *precomp[2];

    int factor[2][TBPIECES];

    ubyte pieces[2][TBPIECES];

    ubyte norm[2][TBPIECES];

  } file[4];

};

struct DTZEntry_piece {

  char *data;

  uint64 key;

  uint64 mapping;

  ubyte ready;

  ubyte num;

  ubyte symmetric;

  ubyte has_pawns;

  ubyte enc_type;

  struct PairsData *precomp;

  int factor[TBPIECES];

  ubyte pieces[TBPIECES];

  ubyte norm[TBPIECES];

  ubyte flags;                  // accurate, mapped, side

  ushort map_idx[4];

  ubyte *map;

};

struct DTZEntry_pawn {

  char *data;

  uint64 key;

  uint64 mapping;

  ubyte ready;

  ubyte num;

  ubyte symmetric;

  ubyte has_pawns;

  ubyte pawns[2];

  struct {

    struct PairsData *precomp;

    int factor[TBPIECES];

    ubyte pieces[TBPIECES];

    ubyte norm[TBPIECES];

  } file[4];

  ubyte flags[4];

  ushort map_idx[4][4];

  ubyte *map;

};

struct TBHashEntry {

  uint64 key;

  struct TBEntry *ptr;

};

struct DTZTableEntry {

  uint64 key1;

  uint64 key2;

  struct TBEntry *entry;

};

#endif