protected override void OnWorldSelected(World world)
{
if (world == World)
{
return;
}
if (Strategy != null)
{
EntityHierarchyDiffSystem.Unregister(this);
Strategy.Dispose();
Strategy = null;
}
World = world;
if (World != null)
{
Strategy = new EntityHierarchyDefaultGroupingStrategy(world);
EntityHierarchyDiffSystem.Register(this);
m_EntityHierarchy.Refresh(this);
}
else
{
m_EntityHierarchy.Clear();
}
}
protected override void OnWorldSelected(World world)
{
if (world == World)
{
return;
}
State?.Dispose();
GroupingStrategy?.Dispose();
m_EntityHierarchyDiffer?.Dispose();
State = null;
GroupingStrategy = null;
m_EntityHierarchyDiffer = null;
World = world;
if (World != null)
{
// TODO: How do we instantiate the correct State/Strategy combination?
// TODO: Should we even allow the State to be overridable by users?
State = new EntityHierarchyState(world);
GroupingStrategy = new EntityHierarchyDefaultGroupingStrategy(world, State);
m_EntityHierarchyDiffer = new EntityHierarchyDiffer(this, DisableDifferCooldownPeriod ? 0 : 16);
m_EntityHierarchy.Refresh(this);
}
else
{
m_EntityHierarchy.Clear();
}
}