internal void OnComponentAdd(IEntityComponent comp)
{
var meth = ObjUtil.ExtractDelegate <Action <GameTime> >(comp, EntityConstants.MSG_UPDATE);
if (meth != null)
{
_updateDelegates += meth;
}
if (_manager != null)
{
_manager.RegisterComponent(comp);
}
}
internal void RegisterManager(EntityManagerComponent manager)
{
if (_manager != null)
{
throw new InvalidOperationException("Can not register an Entity that is already registered.");
}
if (manager == null)
{
throw new ArgumentNullException("manager");
}
_manager = manager;
foreach (var comp in _components)
{
_manager.RegisterComponent(comp);
}
}