public static AssetBundle TryLoadBundle(IAssetBundleResource resource)
{
AssetBundleRequestOptions requestOptions = GetOptions(resource);
if (requestOptions == null)
{
Debug.LogFormat("[{0}.{1}] Missing RequestOptions", nameof(AssetBundleCache), nameof(TryLoadBundle));
return(null);
}
if (assetBundles.TryGetValue(requestOptions.BundleName, out LoadedAssetBundle loadedAssetBundle))
{
if (loadedAssetBundle.Matches(requestOptions) && loadedAssetBundle.assetBundle != null)
{
Debug.LogFormat("[{0}.{1}] assetBundle={2} already loaded", nameof(AssetBundleCache), nameof(TryLoadBundle), requestOptions.BundleName);
return(loadedAssetBundle.assetBundle);
}
Debug.LogFormat("[{0}.{1}] assetBundle={2} unloading", nameof(AssetBundleCache), nameof(TryLoadBundle), requestOptions.BundleName);
loadedAssetBundle.Unload();
}
Debug.LogFormat("[{0}.{1}] assetBundle={2} loading", nameof(AssetBundleCache), nameof(TryLoadBundle), requestOptions.BundleName);
AssetBundle assetBundle = resource.GetAssetBundle();
loadedAssetBundle = new LoadedAssetBundle(requestOptions.BundleName, requestOptions.Hash, requestOptions.Crc, assetBundle);
assetBundles[requestOptions.BundleName] = loadedAssetBundle;
Debug.LogFormat("[{0}.{1}] assetBundle={2} loaded={3}", nameof(AssetBundleCache), nameof(TryLoadBundle), requestOptions.BundleName, assetBundle != null);
return(assetBundle);
}
internal static T LoadBundleFromDependecies <T>(IList <object> results) where T : class, IAssetBundleResource
{
if (results == null || results.Count == 0)
{
return(default(T));
}
IAssetBundleResource bundle = null;
bool firstBundleWrapper = true;
for (int i = 0; i < results.Count; i++)
{
var abWrapper = results[i] as IAssetBundleResource;
if (abWrapper != null)
{
//only use the first asset bundle, even if it is invalid
abWrapper.GetAssetBundle();
if (firstBundleWrapper)
{
bundle = abWrapper;
}
firstBundleWrapper = false;
}
}
return(bundle as T);
}
private static AssetBundleRequestOptions GetOptions(IAssetBundleResource resource)
{
if (resource == null)
{
return(null);
}
return(ReflectionUtils.GetPrivateFieldValue <AssetBundleRequestOptions>(resource, "m_Options"));
}