/// <summary>
/// 初始化manifestAsset。方便直接读取
/// </summary>
private static void InitManifest(MyBundle bundle = null)
{
#if UNITY_EDITOR
//直接读取项目资源
if (FrameworkDefaultSetting.useEditorPrefab)
{
string path = BuildDefaultPath.GetManifestAssetPath();
var manifestAsset = UnityEditor.AssetDatabase.LoadAssetAtPath <PackageManifest>(path);
manifestAsset.MapingAssetData();
manifest.Load(manifestAsset);
}
else //从Bundle中读取
{
if (bundle == null)
{
Console.WriteLine("从Bundle中读取Manifest失败！！！！");
return;
}
var manifestAsset = bundle.LoadAsset <PackageManifest>(RuntimeResPath.GetManifestAssetPath);
manifestAsset.MapingAssetData();
manifest.Load(manifestAsset);
}
#else
if (bundle == null)
{
Console.WriteLine("从Bundle中读取Manifest失败！！！！");
return;
}
var manifestAsset = bundle.LoadAsset <PackageManifest>(RuntimeResPath.GetManifestAssetPath);
manifestAsset.MapingAssetData();
manifest.Load(manifestAsset);
#endif
}
protected override void OnUnload()
{
if (bundle != null)
{
bundle.Release(); //减少依赖
}
bundle = null; //清除引用
}
static void UnLoadDependencies(MyBundle bundle)
{
foreach (var item in bundle.dependencies)
{
item.Release();
}
bundle.dependencies.Clear();
}
static void LoadDependencies(MyBundle bundle, string assetBundleName, bool asyncRequest)
{
var dependencies = manifest.GetAllDependencies(assetBundleName);
if (dependencies.Length > 0)
{
foreach (var item in dependencies)
{
bundle.dependencies.Add(LoadInternal(item, false, asyncRequest));
}
}
}
static MyBundle LoadInternal(string assetBundleName, bool isLoadingAssetBundleManifest, bool asyncRequest)
{
if (!isLoadingAssetBundleManifest)
{
if (manifest == null)
{
MyDebug.LogErrorFormat("Please initialize AssetBundleManifest by calling Bundles.Initialize()");
return(null);
}
}
var url = GetDataPath() + assetBundleName;
MyBundle bundle = null;
if (!bundles.TryGetValue(assetBundleName, out bundle))
{
var hash = isLoadingAssetBundleManifest
? new Hash128(1, 0, 0, 0)
: manifest.GetAssetBundleHash(assetBundleName);
if (bundle == null)
{
if (url.StartsWith("file://"))
{
bundle = new MyBundleWWW(url, hash); //启动WWW下载
}
else
{
if (asyncRequest) //是否开启异步
{
bundle = new MyBundleAsync(url, hash);
}
else
{
bundle = new MyBundle(url, hash); //同步下载
}
}
bundle.name = assetBundleName;
bundles.Add(assetBundleName, bundle);
bundle.Load(); //开始下载
if (!isLoadingAssetBundleManifest) //Bundle下载完成之后 加载对应依赖
{
LoadDependencies(bundle, assetBundleName, asyncRequest);
}
}
}
bundle.Retain();
return(bundle);
}
protected override void OnLoad()
{
bundle = MyBundles.Load(MyAssets.GetBundleByAssetName(assetName));
asset = bundle.LoadAsset(MyAssets.GetAssetPathByAssetName(assetName), assetType);
}
