- Score pawns_value() const;
- Value kingside_storm_value(Color c) const;
- Value queenside_storm_value(Color c) const;
- Bitboard pawn_attacks(Color c) const;
- Bitboard passed_pawns() const;
- ScaleFactor scale_factor(Color c) const;
- int file_is_half_open(Color c, File f) const;
- int has_open_file_to_left(Color c, File f) const;
- int has_open_file_to_right(Color c, File f) const;
- int get_king_shelter(const Position& pos, Color c, Square ksq);
-
-private:
- void clear();
- int updateShelter(const Position& pos, Color c, Square ksq);
-
- Key key;
- Bitboard passedPawns;
- Bitboard pawnAttacks[2];
- Square kingSquares[2];
- Score value;
- int16_t ksStormValue[2], qsStormValue[2];
- uint8_t halfOpenFiles[2], kingShelters[2], factor[2];
-};
-
-/// The PawnInfoTable class represents a pawn hash table. It is basically
-/// just an array of PawnInfo objects and a few methods for accessing these
-/// objects. The most important method is get_pawn_info, which looks up a
-/// position in the table and returns a pointer to a PawnInfo object.
-
-class PawnInfoTable {
+ template<Color Us>
+ Score king_safety(const Position& pos) {
+ return kingSquares[Us] == pos.square<KING>(Us) && castlingRights[Us] == pos.castling_rights(Us)
+ ? kingSafety[Us] : (kingSafety[Us] = do_king_safety<Us>(pos));
+ }