#if !defined(BITBOARD_H_INCLUDED)
#define BITBOARD_H_INCLUDED
-#include "piece.h"
-#include "square.h"
#include "types.h"
const Bitboard EmptyBoardBB = 0;
extern Bitboard SetMaskBB[65];
extern Bitboard ClearMaskBB[65];
-extern Bitboard NonSlidingAttacksBB[16][64];
+extern Bitboard StepAttacksBB[16][64];
extern Bitboard BetweenBB[64][64];
extern Bitboard SquaresInFrontMask[2][64];