Method UpdateActor

Source/Engine/Level/Scene/SceneRendering.cpp:193–215

}

void SceneRendering::UpdateActor(Actor* a, int32& key, ISceneRenderingListener::UpdateFlags flags)
{
    const int32 category = a->_drawCategory;
    bool lock = !_isRendering || ((int32)flags & (int32)ISceneRenderingListener::AutoDelayDuringRendering) == 0; // Allow updating actors during rendering
    if (lock)
        Locker.ReadLock(); // Read-access only as list doesn't get resized (like Add/Remove do) so allow updating actors from different threads at once
    auto& list = Actors[category];
    if (list.Count() > key && key >= 0) // Ignore invalid key softly
    {
        auto& e = list[key];
        if (e.Actor == a)
        {
            for (auto* listener : _listeners)
                listener->OnSceneRenderingUpdateActor(a, e.Bounds, flags);
            if (flags & ISceneRenderingListener::Layer)
                e.LayerMask = a->GetLayerMask();
            if (flags & ISceneRenderingListener::Bounds)
                e.Bounds = a->GetSphere();
        }
    }
    if (lock)
        Locker.ReadUnlock();
}

void SceneRendering::RemoveActor(Actor* a, int32& key)
{