/*
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
- Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
- Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad
- Copyright (C) 2015-2020 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
+ Copyright (C) 2004-2020 The Stockfish developers (see AUTHORS file)
Stockfish is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include <string>
#include "bitboard.h"
+#include "evaluate.h"
#include "types.h"
+#include "nnue/nnue_accumulator.h"
+
/// StateInfo struct stores information needed to restore a Position object to
/// its previous state when we retract a move. Whenever a move is made on the
Bitboard pinners[COLOR_NB];
Bitboard checkSquares[PIECE_TYPE_NB];
int repetition;
+
+ // Used by NNUE
+ Eval::NNUE::Accumulator accumulator;
+ DirtyPiece dirtyPiece;
};
Bitboard checkers() const;
Bitboard blockers_for_king(Color c) const;
Bitboard check_squares(PieceType pt) const;
+ Bitboard pinners(Color c) const;
bool is_discovery_check_on_king(Color c, Move m) const;
// Attacks to/from a given square
bool pos_is_ok() const;
void flip();
+ // Used by NNUE
+ StateInfo* state() const;
+
private:
// Initialization helpers (used while setting up a position)
void set_castling_right(Color c, Square rfrom);
return st->blockersForKing[c];
}
+inline Bitboard Position::pinners(Color c) const {
+ return st->pinners[c];
+}
+
inline Bitboard Position::check_squares(PieceType pt) const {
return st->checkSquares[pt];
}
do_move(m, newSt, gives_check(m));
}
+inline StateInfo* Position::state() const {
+
+ return st;
+}
+
#endif // #ifndef POSITION_H_INCLUDED