public bool IsValidDiagonalMove(Square from, Square to)
{
int x, y;
if (from.Row <= to.Row)
{
x = 1;
}
else
{
x = -1;
}
if (from.Col <= to.Col)
{
y = 1;
}
else
{
y = -1;
}
for (Square current = Square.At(from.Row + x, from.Col + y);
current != to;
current = Square.At(current.Row + x, current.Col + y))
{
if (!current.IsInBounds() || GetPiece(current) != null)
{
return(false);
}
}
return(IsValidDestination(from, to));
}
public bool IsValidDestination(Square from, Square to)
{
if (!to.IsInBounds() || GetPiece(to) != null && GetPiece(to).Player == GetPiece(from).Player)
{
return(false);
}
return(true);
}