static public IEnumerator AssetbundleSendRequest(UnityWebRequest request, string assetBundleName)
{
if (request == null)
yield break;
stDownloadingWWWs downloadwww = new stDownloadingWWWs();
yield return request.SendWebRequest();
downloadwww.www = request;
downloadwww.referenceCount = 1;
downloadwww.startTime = Time.realtimeSinceStartup;
Debug.Log(string.Format("Start Send GetAssetBundle : url ({0}), startTime ({1})", downloadwww.www.url, downloadwww.startTime));
m_DownloadingWWWs.Add(assetBundleName, downloadwww);
}
// Where we actuall call WWW to download the assetBundle.
static protected bool LoadAssetBundleInternal(string assetBundleName, bool isLoadingAssetBundleManifest)
{
// Already loaded.
LoadedAssetBundle bundle = null;
m_LoadedAssetBundles.TryGetValue(assetBundleName, out bundle);
if (bundle != null)
{
bundle.m_ReferencedCount++;
return true;
}
// @TODO: Do we need to consider the referenced count of WWWs?
// In the demo, we never have duplicate WWWs as we wait LoadAssetAsync()/LoadLevelAsync() to be finished before calling another LoadAssetAsync()/LoadLevelAsync().
// But in the real case, users can call LoadAssetAsync()/LoadLevelAsync() several times then wait them to be finished which might have duplicate WWWs.
// I think, Duplicate WWWs doesn't need to consider. because normally, most developer doesn't design the same name.
if (m_DownloadingWWWs.ContainsKey(assetBundleName))
{
stDownloadingWWWs downloadwwws = m_DownloadingWWWs[assetBundleName];
downloadwwws.referenceCount++;
m_DownloadingWWWs[assetBundleName] = downloadwwws;
return true;
}
//WWW download = null;
UnityWebRequest download = null;
string url = m_BaseDownloadingURL + assetBundleName;
// For manifest assetbundle, always download it as we don't have hash for it.
if (isLoadingAssetBundleManifest)
{
url = m_BaseCDNURL + assetBundleName;
Debug.Log ("LoadAssetBundleInternal : isLoadingManifest : " + url);
download = UnityWebRequestAssetBundle.GetAssetBundle(URLAntiCacheRandomizer(url));//new WWW(URLAntiCacheRandomizer(url));
}
else
{
if (dicVersion == null)
{
if (VersionChecker.Instance != null)
dicVersion = VersionChecker.Instance.AssetInfoDict;
}
else
{
if (dicVersion.Count == 0)
{
if (VersionChecker.Instance != null)
dicVersion = VersionChecker.Instance.AssetInfoDict;
}
}
int nVersion = 0;
if (dicVersion.ContainsKey(assetBundleName))
{
nVersion = (int)dicVersion[assetBundleName].Version;
url = dicVersion[assetBundleName].URL + assetBundleName;
}
download = UnityWebRequestAssetBundle.GetAssetBundle(url, (uint)nVersion, 0);//WWW.LoadFromCacheOrDownload(url, nVersion);
Debug.Log ("LoadAssetBundleInternal : LoadFromCacheOrDownload : " + url + ", ver: " + nVersion);
}
stDownloadingWWWs downloadwww = new stDownloadingWWWs();
AsyncOperation operation = download.SendWebRequest();
while (operation.isDone == false)
continue;
downloadwww.www = download;
downloadwww.referenceCount = 1;
downloadwww.startTime = Time.realtimeSinceStartup;
Debug.Log(string.Format("Start Send GetAssetBundle : url ({0}), startTime ({1})", downloadwww.www.url, downloadwww.startTime));
m_DownloadingWWWs.Add(assetBundleName, downloadwww);
//StartCoroutine(AssetbundleSendRequest(download, assetBundleName));
return false;
}