Create a ResourceManager.
Engine to which the current ResourceManager belongs
Cancel all assets that have not finished loading.
Cancel assets whose url has not finished loading.
Cancel the incompletely loaded assets in urls.
Garbage collection will release resource objects managed by reference counting.
remarksThe release principle is that it is not referenced by the components, including direct and indirect reference.
Get asset url from instanceId.
Engine instance id
Load asset asynchronously through the path.
Load asset collection asynchronously through urls.
Load the asset asynchronously by asset item information.
Load the asset collection asynchronously by loading the information collection.