getAsset method
Get an asset from the cache or load it.
Implementation
Future<T> getAsset(AssetProvider assetProvider) async {
T? asset = _assets[assetProvider];
if (asset != null) {
if (asset.isAvailable) {
return asset;
} else {
return await asset.onLoaded() as T;
}
}
asset = makeAsset();
_assets[assetProvider] = asset;
asset.load(this, assetProvider);
return asset.isAvailable ? asset : await asset.onLoaded() as T;
}