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);
}
public static void ResetBundleName(ref AssetBundleBuild buildInfo)
{
var assetBundleNameWithoutExtension = buildInfo.assetBundleName.ReplaceLast(ResConfig.BUNDLE_EXTENSION, "");
assetBundleNameWithoutExtension = ResConfig.ConvertToBundleName(assetBundleNameWithoutExtension);
var assetBundleName = assetBundleNameWithoutExtension + ResConfig.BUNDLE_EXTENSION;
buildInfo.assetBundleName = assetBundleName;
foreach (var assetName in buildInfo.assetNames)
{
var assetImporter = AssetImporter.GetAtPath(assetName);
if (assetImporter == null)
{
LogManager.Error("ResetBundleName error, asset not found: " + assetName);
continue;
}
if (assetImporter.assetBundleName != assetBundleName)
{
assetImporter.assetBundleName = assetBundleName;
}
}
}
IEnumerator HotUpdating()
{
// Get local version file at first
var localVersionFile = GetLocalVersionFile();
// Get remote version file and compare
// Download remote version file and save to temporary directory
var file = ResConfig.ConvertToBundleName(ResConfig.VERSION_FILE) + ResConfig.BUNDLE_EXTENSION;
var assets = new List <string>();
assets.Add(file);
var fileFolder = "resversionfile_tempfolder";
var fileDirectory = ResConfig.MOBILE_HOTUPDATE_PATH + "/" + fileFolder;
var failure = false;
byte[] downloadBytes = null;
yield return(this.StartCoroutine(this.DownloadAssetsAsyncAndSave(
ResConfig.SERVER_URL + "/",
assets,
(processInfo, www) => {
if (string.IsNullOrEmpty(processInfo.Error) == false)
{
failure = true;
processInfo.Index = -1;
processInfo.Count = 0;
this.NotifyHotUpdate(processInfo);
}
else
{
var length = www.bytesDownloaded;
// var length = www.bytes.Length;
downloadBytes = new byte[length];
Array.Copy(www.bytes, 0, downloadBytes, 0, length);
}
},
fileDirectory
)));
if (failure)
{
yield break;
}
var txtAsset = this.Load <TextAsset>(fileFolder + "/" + ResConfig.VERSION_FILE);
if (txtAsset == null)
{
var processInfo = new ProcessInfo();
processInfo.File = ResConfig.VERSION_FILE;
processInfo.Index = -1;
processInfo.Count = 0;
processInfo.Error = "Download version file error";
this.NotifyHotUpdate(processInfo);
yield break;
}
var txt = txtAsset.text;
var remoteVersionFile = ResVersionFile.UnSerialize(txt);
// Unload asset bundle
this.UnloadAsset(fileFolder + "/" + ResConfig.VERSION_FILE);
// Hotupdating(download and save)
var diffInfos = ResVersionFile.GetDiffInfos(localVersionFile, remoteVersionFile);
if (diffInfos.Count <= 0)
{
this.NotifyNoHotUpdate();
yield break;
}
assets.Clear();
for (int i = 0; i < diffInfos.Count; ++i)
{
var asset = diffInfos[i].File;
assets.Add(asset);
}
var count = assets.Count;
var downloadedCount = 0;
yield return(this.StartCoroutine(this.DownloadAssetsAsyncAndSave(
ResConfig.SERVER_URL + "/",
assets,
(processInfo, www) => {
downloadedCount++;
processInfo.Index = downloadedCount - 1;
processInfo.Count = assets.Count;
this.NotifyHotUpdate(processInfo);
}
)));
// Finally replace local version file
FileUtility.WriteFile(ResConfig.MOBILE_HOTUPDATE_PATH + "/" + file, downloadBytes, downloadBytes.Length, false);
}
static void _AppendDependencies(AssetBundleBuild buildInfo, string name, List <AssetBundleBuild> buildInfos)
{
var dependencies = AssetDatabase.GetDependencies(name, true);
foreach (var dependence in dependencies)
{
// Exclude assets not in Assets
if (dependence.StartsWith("Assets") == false)
{
LogManager.Warning(string.Format(
"asset({0}) depends on asset({1}) not in Assets!",
name,
dependence
));
continue;
}
// Exclude scripts
if (dependence.EndsWith(".cs") || dependence.EndsWith(".js"))
{
continue;
}
if (dependence.StartsWith("Assets/" + ResConfig.RES_ROOT))
{
if (name != dependence &&
dependence.EndsWith(".shader") == false)
{
LogManager.Warning(string.Format(
"asset({0}) depends on asset({1}) in Assets/Res, which should be prevented!",
name,
dependence
));
}
continue;
}
// Set atlas name
if (dependence.StartsWith("Assets/" + ResConfig.UI_TEXTURE) &&
dependence.StartsWith("Assets/" + ResConfig.UI_TEXTURE_RUNTIME) == false)
{
var textureImporter = AssetImporter.GetAtPath(dependence) as TextureImporter;
ResTextureAutoConfigurer.ConfigureUITexture(textureImporter);
}
var assetName = dependence;
var assetBundleName = dependence;
var dependenceRoot = dependence.ReplaceFirst("Assets", ResConfig.DEPENDENCIES_ROOT);
if (ResConfig.IsFolderAsBundleName(dependence))
{
var fileName = Path.GetFileName(dependence);
assetBundleName = dependenceRoot.ReplaceLast("/" + fileName, "") + ResConfig.BUNDLE_EXTENSION;
}
else
{
assetBundleName = dependenceRoot + ResConfig.BUNDLE_EXTENSION;
}
var index = TryGetBuildInfo(buildInfos, assetBundleName);
if (index == -1)
{
var dependenceBuildInfo = new AssetBundleBuild();
dependenceBuildInfo.assetNames = new string[] { assetName };
dependenceBuildInfo.assetBundleName = assetBundleName;
buildInfos.Add(dependenceBuildInfo);
_AppendDependencies(dependenceBuildInfo, assetName, buildInfos);
}
else
{
var dependenceBuildInfo = buildInfos[index];
var assetNames = dependenceBuildInfo.assetNames.ToList();
if (assetNames.Contains(assetName))
{
continue;
}
assetNames.Add(assetName);
dependenceBuildInfo.assetNames = assetNames.ToArray();
buildInfos[index] = dependenceBuildInfo;
_AppendDependencies(dependenceBuildInfo, assetName, buildInfos);
}
}
}
IEnumerator DownloadAssetsAsyncAndSave(string urlPrefix, List <string> assets, Action <ProcessInfo, WWW> callback, string outputDirectory = null, int returnStep = 1)
{
_assetsCount = assets.Count;
_downloadedAssetsCount = 0;
for (int i = 0; i < assets.Count; ++i)
{
var path = assets[i];
var file = Path.GetFileName(path);
var url = urlPrefix + path;
var coroutine = this.StartCoroutine(this.DownloadAssetAsync(url, (www) => {
_downloadedAssetsCount++;
// Define error message
var error = "";
if (www == null)
{
error = "Timeout";
}
else if (string.IsNullOrEmpty(www.error) == false)
{
error = www.error;
}
// Create processInfo
var processInfo = new ProcessInfo();
processInfo.File = file;
processInfo.Index = i;
processInfo.Count = assets.Count;
if (string.IsNullOrEmpty(error) == false)
{
processInfo.Error = string.Format("Download failure! asset({0}) error({1})", path, error);
callback(processInfo, www);
return;
}
// Compress or just save asset
var exception = "";
var fullpath = (string.IsNullOrEmpty(outputDirectory) ? ResConfig.MOBILE_HOTUPDATE_PATH : outputDirectory) + "/" + path;
try
{
var decompressable = ResConfig.IsCompressable(fullpath);
var decompressFailure = false;
if (decompressable)
{
try
{
var length = www.bytesDownloaded;
// var length = www.bytes.Length;
FileUtility.DeCompressBuffer(www.bytes, length, fullpath);
}
catch (Exception e)
{
exception = e.Message;
decompressFailure = true;
}
}
// Dont decompress or decompress failure, then
// just copy
if (decompressable == false ||
(decompressable == true && decompressFailure == true))
{
var length = www.bytesDownloaded;
// var length = www.bytes.Length;
FileUtility.WriteFile(fullpath, www.bytes, length, false);
}
}
catch (Exception e)
{
exception = e.Message;
}
finally
{
if (File.Exists(fullpath))
{
LogManager.Log(string.Format(
"Save successfully! asset({0}) fullpath({1})",
path,
fullpath
));
processInfo.Error = string.Empty;
}
else
{
LogManager.Error(string.Format(
"Save failure! asset({0}) fullpath({1}) exception({2})",
path,
fullpath,
exception
));
processInfo.Error = string.Format("Save failure! asset({0}) exception({1})", path, exception);
}
}
callback(processInfo, www);
}));
if (i % returnStep == 0)
{
yield return(coroutine);
}
}
// Check finished or not
while (_downloadedAssetsCount < _assetsCount)
{
yield return(1);
}
yield break;
}
