#include "bitboard.h"
#include "position.h"
+#include "tt.h"
#include "value.h"
+
////
//// Types
////
public:
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(Color c) const;
int file_is_half_open(Color c, File f) const;
Bitboard pawnAttacks[2];
Square kingSquares[2];
Score value;
- int ksStormValue[2];
- int qsStormValue[2];
int halfOpenFiles[2];
Score kingShelters[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 {
+/// The PawnInfoTable class represents a pawn hash table. The most important
+/// method is get_pawn_info, which returns a pointer to a PawnInfo object.
+
+class PawnInfoTable : public SimpleHash<PawnInfo, PawnTableSize> {
enum SideType { KingSide, QueenSide };
public:
- PawnInfoTable();
- ~PawnInfoTable();
PawnInfo* get_pawn_info(const Position& pos) const;
void prefetch(Key key) const;
private:
template<Color Us>
Score evaluate_pawns(const Position& pos, Bitboard ourPawns, Bitboard theirPawns, PawnInfo* pi) const;
-
- template<Color Us, SideType Side>
- int evaluate_pawn_storm(Square s, Rank r, File f, Bitboard theirPawns) const;
-
- PawnInfo* entries;
};
return pawnAttacks[c];
}
-inline Value PawnInfo::kingside_storm_value(Color c) const {
- return Value(ksStormValue[c]);
-}
-
-inline Value PawnInfo::queenside_storm_value(Color c) const {
- return Value(qsStormValue[c]);
-}
-
inline Bitboard PawnInfo::passed_pawns(Color c) const {
return passedPawns[c];
}