public void Update()
{
for (int i = m_LoadingAssetBundles.Count - 1; i >= 0; --i)
{
IAssetBundle assetBundle = m_LoadingAssetBundles[i];
if (!m_CreatedAssetBundles.ContainsKey(assetBundle.Name)) // unloaded
{
m_LoadingAssetBundles.RemoveAt(i);
}
else if (assetBundle.UpdateLoadingState())
{
LogMessage("AssetBundle: ", assetBundle.Name, " is loaded.");
m_LoadingAssetBundles.RemoveAt(i);
}
}
for (int i = m_LoadingAssets.Count - 1; i >= 0; --i)
{
AsyncAsset asset = m_LoadingAssets[i];
if (!m_CreatedAssets.ContainsKey(asset.AssetName)) // unloaded
{
m_LoadingAssets.RemoveAt(i);
}
else if (asset.UpdateLoadingState())
{
LogMessage("Asset: ", asset.AssetName, " is loaded.");
m_LoadingAssets.RemoveAt(i);
}
}
}
public AsyncAsset[] LoadAllAssets(string assetBundleName)
{
IAssetBundle assetBundle = LoadAssetBundle(assetBundleName);
string[] assetNames = m_Catalog.AssetBundles[assetBundleName].Assets;
AsyncAsset[] assets = new AsyncAsset[assetNames.Length];
for (int i = 0; i < assetNames.Length; i++)
{
string assetName = assetNames[i];
if (m_CreatedAssets.TryGetValue(assetName, out AsyncAsset asset))
{
LogMessage("Load Asset: '", assetName, "' from cache.");
}
else
{
asset = CreateAssetFromAssetBundle(assetName, typeof(Object), assetBundle);
}
assets[i] = asset;
}
return(assets);
}
public AsyncAsset[] LoadAssets(Type type, params AssetPtr[] ptrs)
{
AsyncAsset[] results = new AsyncAsset[ptrs.Length];
for (int i = 0; i < results.Length; i++)
{
results[i] = LoadAsset(ptrs[i], type);
}
return(results);
}
public AsyncAsset[] LoadAssets(Type type, params string[] names)
{
AsyncAsset[] results = new AsyncAsset[names.Length];
for (int i = 0; i < results.Length; i++)
{
results[i] = LoadAsset(names[i], type);
}
return(results);
}
private AsyncAsset CreateAssetFromAssetBundle(string name, Type type, IAssetBundle assetBundle)
{
AsyncAsset asset = new AsyncAsset();
asset.Initialize(name, type, assetBundle);
assetBundle.IncreaseRef();
m_CreatedAssets.Add(name, asset);
m_LoadingAssets.Add(asset);
LogMessage("Create Asset: '", name, "'.");
return(asset);
}
public void UnloadAsset(AsyncAsset asset)
{
if (!m_CreatedAssets.Remove(asset.AssetName))
{
Debug.LogWarning($"Asset '{asset.AssetName}' is not loaded, you can not unload it.");
return;
}
asset.Unload();
asset.AssetBundle.DecreaseRef();
LogMessage("Unload Asset: ", asset.AssetName);
// TODO: 延时卸载 AssetBundle
if (asset.AssetBundle.RefCount == 0)
{
UnloadAssetBundle(asset.AssetBundle);
}
}
