// For performance.
public bool Equals(BasicUnit unit)
{
if (unit == null)
{
return(false);
}
// We don't check if Cell.Equals(unit.Cell) to avoid recursion. We also ignore actions.
return(Facing.Equals(unit.Facing) && Class.Equals(unit.Class));
}
// Equality override.
public override bool Equals(object obj)
{
if (obj == null)
{
return(false);
}
// If obj can not be cast to BasicUnit.
BasicUnit unit = obj as BasicUnit;
if (unit == null)
{
return(false);
}
// We don't check if Cell.Equals(unit.Cell) to avoid recursion. We also ignore actions.
return(Facing.Equals(unit.Facing) && Class.Equals(unit.Class));
}