/// <summary>
/// Creates an <see cref="IAsyncOperation{TResult}"/> wrapper for the Unity <see cref="AssetBundleRequest"/>.
/// </summary>
/// <param name="op">The source operation.</param>
public static IAsyncOperation <T> ToAsync <T>(this AssetBundleRequest op) where T : UnityEngine.Object
{
var result = new Helpers.AssetBundleRequestResult <T>(op);
result.Start();
return(result);
}
/// <summary>
/// Creates an asyncronous operation optimized for loading assets from an <see cref="AssetBundle"/>.
/// </summary>
/// <param name="assetBundle">The source <see cref="AssetBundle"/>.</param>
/// <param name="assetName">Name of the prefab to load. If <see langword="null"/> the first asset of the matching type is loaded.</param>
/// <param name="userState">User-defined data.</param>
/// <exception cref="ArgumentNullException">Thrown if <paramref name="assetBundle"/> is <see langword="null"/>.</exception>
/// <returns>An operation that can be used to track the download process.</returns>
public static IAsyncOperation <T> GetAssetBundleAssetAsync <T>(AssetBundle assetBundle, string assetName, object userState = null) where T : UnityEngine.Object
{
if (assetBundle == null)
{
throw new ArgumentNullException("assetBundle");
}
var result = new Helpers.AssetBundleRequestResult <T>(assetBundle, assetName, userState);
result.Start();
return(result);
}