public Bitboard GetMoveBoard(Square from, Bitboard friends, Bitboard enemies)
{
var allpieces = friends.And(enemies);
var result = Bitboard.Empty.And(from.File, from.Rank);
return result.Except(from, friends,
from.RayTo.N.Intersect(allpieces).LowestSquare.RayTo.N,
from.RayTo.E.Intersect(allpieces).LowestSquare.RayTo.E,
from.RayTo.S.Intersect(allpieces).HighestSquare.RayTo.S,
from.RayTo.W.Intersect(allpieces).HighestSquare.RayTo.W);
}
public Bitboard Get(Square from,
Bitboard friends,
Bitboard enemies
)
{
var allpieces = friends.And(enemies);
var result = Bitboard.Empty.And(from.DiagonalNW, from.DiagonalNE);
return result.Except(from, friends,
from.RayTo.NE.Intersect(allpieces).LowestSquare.RayTo.NE,
from.RayTo.NW.Intersect(allpieces).LowestSquare.RayTo.NW,
from.RayTo.SE.Intersect(allpieces).HighestSquare.RayTo.SE,
from.RayTo.SW.Intersect(allpieces).HighestSquare.RayTo.SW);
}
