Subversion Repositories Games.Chess Giants

Rev

Rev 96 | Rev 169 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 96 Rev 154
Line 35... Line 35...
35
 
35
 
36
  Score pawns_score() const { return score; }
36
  Score pawns_score() const { return score; }
37
  Bitboard pawn_attacks(Color c) const { return pawnAttacks[c]; }
37
  Bitboard pawn_attacks(Color c) const { return pawnAttacks[c]; }
38
  Bitboard passed_pawns(Color c) const { return passedPawns[c]; }
38
  Bitboard passed_pawns(Color c) const { return passedPawns[c]; }
39
  Bitboard pawn_attacks_span(Color c) const { return pawnAttacksSpan[c]; }
39
  Bitboard pawn_attacks_span(Color c) const { return pawnAttacksSpan[c]; }
40
  int pawn_span(Color c) const { return pawnSpan[c]; }
-
 
41
  int pawn_asymmetry() const { return asymmetry; }
40
  int pawn_asymmetry() const { return asymmetry; }
-
 
41
  int open_files() const { return openFiles; }
42
 
42
 
43
  int semiopen_file(Color c, File f) const {
43
  int semiopen_file(Color c, File f) const {
44
    return semiopenFiles[c] & (1 << f);
44
    return semiopenFiles[c] & (1 << f);
45
  }
45
  }
46
 
46
 
Line 51... Line 51...
51
  int pawns_on_same_color_squares(Color c, Square s) const {
51
  int pawns_on_same_color_squares(Color c, Square s) const {
52
    return pawnsOnSquares[c][!!(DarkSquares & s)];
52
    return pawnsOnSquares[c][!!(DarkSquares & s)];
53
  }
53
  }
54
 
54
 
55
  template<Color Us>
55
  template<Color Us>
56
  Score king_safety(const Position& pos, Square ksq)  {
56
  Score king_safety(const Position& pos, Square ksq) {
57
    return  kingSquares[Us] == ksq && castlingRights[Us] == pos.can_castle(Us)
57
    return  kingSquares[Us] == ksq && castlingRights[Us] == pos.can_castle(Us)
58
          ? kingSafety[Us] : (kingSafety[Us] = do_king_safety<Us>(pos, ksq));
58
          ? kingSafety[Us] : (kingSafety[Us] = do_king_safety<Us>(pos, ksq));
59
  }
59
  }
60
 
60
 
61
  template<Color Us>
61
  template<Color Us>
Line 71... Line 71...
71
  Bitboard pawnAttacksSpan[COLOR_NB];
71
  Bitboard pawnAttacksSpan[COLOR_NB];
72
  Square kingSquares[COLOR_NB];
72
  Square kingSquares[COLOR_NB];
73
  Score kingSafety[COLOR_NB];
73
  Score kingSafety[COLOR_NB];
74
  int castlingRights[COLOR_NB];
74
  int castlingRights[COLOR_NB];
75
  int semiopenFiles[COLOR_NB];
75
  int semiopenFiles[COLOR_NB];
76
  int pawnSpan[COLOR_NB];
-
 
77
  int pawnsOnSquares[COLOR_NB][COLOR_NB]; // [color][light/dark squares]
76
  int pawnsOnSquares[COLOR_NB][COLOR_NB]; // [color][light/dark squares]
78
  int asymmetry;
77
  int asymmetry;
-
 
78
  int openFiles;
79
};
79
};
80
 
80
 
81
typedef HashTable<Entry, 16384> Table;
81
typedef HashTable<Entry, 16384> Table;
82
 
82
 
83
void init();
83
void init();