bool UnloadAssetBundle(string path, bool force = false)
{
var cachePath = path.ToLower();
var loadedAssetBundle = this.TryGetLoadedAssetBundle(cachePath);
if (loadedAssetBundle == null)
{
return(false);
}
var isManifest = path == ResConfig.MAINIFEST;
var bundleName = isManifest ? path : ResConfig.ConvertToBundleName(path) + ResConfig.BUNDLE_EXTENSION;
// Try unload bundle assets, and remove from cache
if (force)
{
loadedAssetBundle.ReferencedCount = 0;
}
else
{
loadedAssetBundle.ReferencedCount--;
}
// Check referencedCount
var unload = false;
if (loadedAssetBundle.ReferencedCount <= 0)
{
unload = true;
loadedAssetBundle.Unload();
_assetBundles.Remove(cachePath);
this.DebugDeallocBundle(cachePath);
if (isManifest)
{
_manifest = null;
}
}
// Try unload depenceBundle
if (unload == true && _dependenceInfos.ContainsKey(bundleName))
{
var dependencies = _dependenceInfos[bundleName];
for (var i = 0; i < dependencies.Length; ++i)
{
var dependencePath = ResConfig.ReverseFromBundleName(dependencies[i]);
this.UnloadAssetBundle(dependencePath, force);
}
_dependenceInfos.Remove(bundleName);
}
return(true);
}
LoadedAssetBundle LoadAssetBundle(string path, bool isDependence = false)
{
this.EnsureManifest();
var cachePath = path.ToLower();
var loadedAssetBundle = this.TryGetLoadedAssetBundle(cachePath);
if (loadedAssetBundle != null)
{
loadedAssetBundle.ReferencedCount++;
return(loadedAssetBundle);
}
var isManifest = path == ResConfig.MAINIFEST;
var bundleName = isManifest ? path : ResConfig.ConvertToBundleName(path) + ResConfig.BUNDLE_EXTENSION;
// Load dependencies
if (isDependence == false)
{
var dependencies = this.GetDependencies(bundleName, path);
for (var i = 0; i < dependencies.Length; ++i)
{
var dependencePath = ResConfig.ReverseFromBundleName(dependencies[i]);
var dependenceBundle = this.LoadAssetBundle(dependencePath, true);
if (dependenceBundle == null)
{
LogManager.Error(string.Format(
"ResManager::LoadAssetFromBundle error, dependence({0}) is null!",
dependencePath
));
}
}
}
// Load & cache assetBundle
loadedAssetBundle = new LoadedAssetBundle(path, bundleName);
loadedAssetBundle.ReferencedCount = 1;
_assetBundles.Add(cachePath, loadedAssetBundle);
this.DebugAllocBundle(cachePath);
return(loadedAssetBundle);
}