The resources loader of the game.
Get the object for the given resource that is already loaded (preloaded or loaded with loadJson).
If the resource is not loaded, null will be returned.
The name of the json resource.
the content of the json resource, if loaded. null otherwise.
Return the kind of resources handled by this manager.
Check if the given json resource was loaded (preloaded or loaded with loadJson).
The name of the json resource.
true if the content of the json resource is loaded. false otherwise.
Request the json file from the given resource name.
This method is asynchronous. When loaded, the callback is called with the error
(null if none) and the loaded json (a JS Object).
The resource pointing to the json file to load.
The callback function called when json is loaded (or an error occurred).
Request all the json resources to be preloaded (unless they are marked as not preloaded).
Note that even if a JSON is already loaded, it will be reloaded (useful for hot-reloading, as JSON files can have been modified without the editor knowing).
Process the specified resource.
This method will only be run while loading screen is shown. It can do heavy tasks like parsing data.
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JsonManager loads json files (using
XMLHttpRequest), using the "json" resources registered in the game resources.Contrary to audio/fonts, json files are loaded asynchronously, when requested. You should properly handle errors, and give the developer/player a way to know that loading failed.