AutoStreaming.PreDownloadAsAssetAsync

Description

Asynchronously predownloads autostreaming assets in go and checks if loaded.

using System.Collections;
using System.IO;
using UnityEngine;
using UnityEngine.Networking;

public class LoadBundleTest : MonoBehaviour
{
    private void Start()
    {
        StartCoroutine(LoadTest());
    }

    IEnumerator LoadTest()
    {
        UnityWebRequest unityWebRequest = UnityWebRequestAssetBundle.GetAssetBundle(Path.Combine(Application.streamingAssetsPath, "AssetBundles/bundle"));
        yield return unityWebRequest.SendWebRequest();
        AssetBundle ab = (unityWebRequest.downloadHandler as DownloadHandlerAssetBundle).assetBundle;
        if (ab != null)
        {
            AssetBundleRequest assetBundleRequest = ab.LoadAssetAsync<GameObject>("prefab");
            yield return assetBundleRequest;

            AsyncOperation operation = AutoStreaming.PreDownloadAsAssetAsync((GameObject)assetBundleRequest.allAssets[0]);
            yield return operation;
            Instantiate(assetBundleRequest.allAssets[0] as GameObject);
        }
    }
}