Resource Preloader Node. Resource Preloader Node. This node is used to preload sub-resources inside a scene, so when the scene is loaded all the resources are ready to use and be retrieved from here. Return the resource given a text-id. Return the list of resources inside the preloader. Return true if the preloader has a given resource. Remove a resource from the preloader by text id. Rename a resource inside the preloader, from a text-id to a new text-id.