// Returns true if more Update calls are required.
public override bool Update()
{
if (m_Request != null)
{
return(false);
}
LoadedWWW bundle = AssetManager.GetLoadedAssetBundle(m_AssetBundleName, out m_DownloadingError);
if (bundle != null)
{
///@TODO: When asset bundle download fails this throws an exception...
if (m_loadall)
{
m_Request = bundle.m_AssetBundle.LoadAllAssetsAsync();
}
else
{
m_Request = bundle.m_AssetBundle.LoadAssetAsync(m_AssetName, m_Type);
}
return(false);
}
else
{
return(!IsDone());
}
}
public override bool Update()
{
if (m_Request != null)
{
return(false);
}
LoadedWWW bundle = AssetManager.GetLoadedAssetBundle(m_AssetBundleName, out m_DownloadingError);
if (bundle != null)
{
if (m_IsAdditive)
{
m_Request = SceneManager.LoadSceneAsync(m_LevelName, LoadSceneMode.Additive);
}
else
{
m_Request = SceneManager.LoadSceneAsync(m_LevelName, LoadSceneMode.Single);
}
// AssetBundleManager.UnloadAssetBundle(m_AssetBundleName);
return(false);
}
else
{
return(!IsDone());
}
}
static protected void UnloadAssetBundleInternal(string assetBundleName)
{
string error;
LoadedWWW bundle = GetLoadedAssetBundle(assetBundleName, out error);
if (bundle == null)
{
return;
}
if (--bundle.m_ReferencedCount == 0)
{
if (bundle.m_AssetBundle != null)
{
bundle.m_AssetBundle.Unload(false);
}
else
{
bundle.m_normalres = null;
Debug.LogError("LLLLLLLLLLLLLLLLLLLLLLL");
//普通资源清掉
}
m_LoadedAssetBundles.Remove(assetBundleName);
Log(LogType.Info, assetBundleName + " has been unloaded successfully");
}
}
// Get loaded AssetBundle, only return vaild object when all the dependencies are downloaded successfully.
static public LoadedWWW GetLoadedAssetBundle (string assetBundleName, out string error)
{
if (m_DownloadingErrors.TryGetValue(assetBundleName, out error) )
return null;
LoadedWWW bundle = null;
m_LoadedAssetBundles.TryGetValue(assetBundleName, out bundle);
if (bundle == null)
return null;
// No dependencies are recorded, only the bundle itself is required.
string[] dependencies = null;
if (!m_Dependencies.TryGetValue(assetBundleName, out dependencies) )
return bundle;
// Make sure all dependencies are loaded
foreach(var dependency in dependencies)
{
if (m_DownloadingErrors.TryGetValue(assetBundleName, out error) )
return bundle;
// Wait all the dependent assetBundles being loaded.
LoadedWWW dependentBundle;
m_LoadedAssetBundles.TryGetValue(dependency, out dependentBundle);
if (dependentBundle == null)
return null;
}
return bundle;
}
// Where we actuall call WWW to download the assetBundle.
static protected bool LoadResInternal (string assetBundleName, EResType t, bool isLoadingAssetBundleManifest)
{
// Already loaded.
LoadedWWW 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.
if (m_DownloadingWWWs.ContainsKey(assetBundleName) )
return true;
WWW download = null;
string url = null;
switch (t)
{
case EResType.E_AssetBundle:
url = m_BaseDownloadingURL + "/assetbundle/" +assetBundleName;
break;
case EResType.E_TEXTURE:
url = m_BaseDownloadingURL + "/texture/" +assetBundleName;
break;
case EResType.E_BYTE:
url = m_BaseDownloadingURL + "/config/" + assetBundleName;
break;
case EResType.E_TXT:
url = m_BaseDownloadingURL + "/config/" + assetBundleName;
break;
case EResType.E_AudioClip:
url = m_BaseDownloadingURL + "/sound/" + assetBundleName;
break;
default:
break;
}
//Debug.Log(url);
// For manifest assetbundle, always download it as we don't have hash for it.
if (isLoadingAssetBundleManifest)
download = new WWW(url);
else
{
//yadoutodo
// download = WWW.LoadFromCacheOrDownload(url, m_AssetBundleManifest.GetAssetBundleHash(assetBundleName), 0);
download = new WWW(url);
}
m_DownloadingWWWs.Add(assetBundleName, new WWWLoadInfo(download,t));
return false;
}
public override bool Update()
{
m_loaded = AssetManager.GetLoadedAssetBundle(m_texturename, out m_DownloadingError);
if (m_loaded != null)
{
return(false);
}
else
{
return(!IsDone());
}
}
static public void UnloadNormalRes(string resname)
{
LoadedWWW load = null;
if(m_LoadedAssetBundles.TryGetValue(resname,out load))
{
if (null != load.m_normalres)
{
load.m_normalres.Distory();
}
m_LoadedAssetBundles.Remove(resname);
}
}
