private static IEnumerable <Location> MovesInOneDirection(Location from, Board board, Location dir, bool infinit)
{
var fromColoredPiece = board.Get(from);
for (var i = 1; i < (infinit ? 8 : 2); i++)
{
var to = new Location(from.X + dir.X * i, from.Y + dir.Y * i);
if (!to.InBoard)
{
break;
}
var toColoredPiece = board.Get(to);
if (toColoredPiece.Piece == null)
{
yield return(to);
}
else
{
if (toColoredPiece.Color != fromColoredPiece.Color)
{
yield return(to);
}
yield break;
}
}
}
public void Undo()
{
board.Set(from, board.Get(to));
board.Set(to, oldDestinationPiece);
}