/// <summary>
/// Add a child to this object.
/// </summary>
/// <param name="child">A prefab object.</param>
public void AddChild(PrefabObject child)
{
if (child == null)
{
throw new ArgumentNullException("child was null");
}
if (child.Prefab != Prefab)
{
throw new ArgumentException("Prefab of child does not match this object's prefab");
}
child.SetParent(this);
}
/// <summary>
/// Sets the object's parent.
/// </summary>
/// <param name="parent">The new parent. Pass null to unparent.</param>
public void SetParent(PrefabObject parent)
{
if (parent.Prefab != Prefab)
{
throw new ArgumentException("Prefab of new parent does not match this object's prefab");
}
PrefabObject oldParent = GetParent();
if (oldParent != null)
{
oldParent.ChildrenIDs.Remove(ID);
}
if (parent != null)
{
parent.ChildrenIDs.Add(ID);
ParentID = parent.ID;
}
else
{
ParentID = string.Empty;
}
}