IEnumerator _LoadAssetBundleAsync(string assetBundleName, LoadAssetBundleAsyncDelegate callback)
{
assetBundleName = assetBundleName.ToLower();
assetBundleName += ".unity3d";
if (s_AssetBundleDependencies.ContainsKey(assetBundleName))
{
string[] dependencies = s_AssetBundleDependencies [assetBundleName];
foreach (string dependency in dependencies)
{
if (s_LoadedAssetBundles.ContainsKey(dependency))
{
s_LoadedAssetBundles [dependency].refCount++;
}
else
{
// 加载
//string filename = Path.Combine(Application.persistentDataPath, dependency);
string filename = Path.Combine(AssetBundleLoader.STREAMING_ASSET_PATH, dependency);
WWW www = new WWW(filename);
yield return(www);
if (www.error == null)
{
AssetBundle ab = AssetBundle.LoadFromMemory(www.bytes);
Debug.LogFormat("AssetBundle(Dependency) loaded : {0}", dependency);
LoadedAssetBundle loadedAssetBundle = new LoadedAssetBundle(ab);
s_LoadedAssetBundles.Add(dependency, loadedAssetBundle);
www.Dispose();
continue;
}
else
{
Debug.LogWarning(www.error);
www.Dispose();
yield break;
}
}
}
}
if (s_LoadedAssetBundles.ContainsKey(assetBundleName))
{
s_LoadedAssetBundles [assetBundleName].refCount++;
callback(s_LoadedAssetBundles [assetBundleName].assetBundle);
}
else
{
// 加载
//string filename = Path.Combine(Application.persistentDataPath, assetBundleName);
string filename = Path.Combine(AssetBundleLoader.STREAMING_ASSET_PATH, assetBundleName);
WWW www = new WWW(filename);
yield return(www);
if (www.error == null)
{
AssetBundle ab = AssetBundle.LoadFromMemory(www.bytes);
Debug.LogFormat("AssetBundle loaded : {0}", assetBundleName);
LoadedAssetBundle loadedAssetBundle = new LoadedAssetBundle(ab);
s_LoadedAssetBundles.Add(assetBundleName, loadedAssetBundle);
callback(s_LoadedAssetBundles [assetBundleName].assetBundle);
www.Dispose();
}
else
{
Debug.LogWarning(www.error);
www.Dispose();
callback(null);
}
}
}
// load assetbuddle Async
// ref++
public void LoadAssetBundleAsync(string assetBundleName, LoadAssetBundleAsyncDelegate callback)
{
StartCoroutine(_LoadAssetBundleAsync(assetBundleName, callback));
}
