Method OnDeleteObject

Source/Engine/Level/Actor.cpp:196–272

}

void Actor::OnDeleteObject()
{
    // Check if actor is still in game (eg. user deletes actor object via Object.Delete)
    if (IsDuringPlay())
    {
        // Check if parent is still during game (eg. user removes child actor but rest is still in game)
        const bool isParentInPlay = _parent && _parent->IsDuringPlay();
        if (isParentInPlay)
        {
            // Call event on object removed from the game (only from th top object, don't call it for children of the tree)
            Level::callActorEvent(Level::ActorEventType::OnActorDeleted, this, nullptr);
        }

        // Note: endPlay will remove managed instance
        EndPlay();

        if (isParentInPlay)
        {
            // Unlink from the parent
            _parent->Children.RemoveKeepOrder(this);
            _parent->_isHierarchyDirty = true;
            _parent = nullptr;
            _scene = nullptr;
        }
    }
    else
    {
        if (_isEnabled)
            OnDisable();
        if (_parent)
        {
            // Unlink from the parent
            _parent->Children.RemoveKeepOrder(this);
            _parent->_isHierarchyDirty = true;
            _parent = nullptr;
            _scene = nullptr;
        }
    }

    // Fire event
    Deleted(this);

    // Delete children
#if BUILD_DEBUG
    int32 callsCheck = Children.Count();
#endif
    for (int32 i = 0; i < Children.Count(); i++)
    {
        auto e = Children.Get()[i];
        ASSERT(e->_parent == this);
        e->_parent = nullptr;
        e->DeleteObject();
    }
#if BUILD_DEBUG
    ASSERT(callsCheck == Children.Count());
#endif
    Children.Clear();