// 加载ab包中的all assets
private static async ETTask LoadOneBundleAllAssets(this ResourcesComponent self, ABInfo abInfo)
{
CoroutineLock coroutineLock = null;
try
{
coroutineLock = await CoroutineLockComponent.Instance.Wait(CoroutineLockType.Resources, abInfo.Name.GetHashCode());
if (abInfo.IsDisposed || abInfo.AlreadyLoadAssets)
{
return;
}
if (abInfo.AssetBundle != null && !abInfo.AssetBundle.isStreamedSceneAssetBundle)
{
// 异步load资源到内存cache住
AssetBundleRequest request = abInfo.AssetBundle.LoadAllAssetsAsync();
await request;
UnityEngine.Object[] assets = request.allAssets;
foreach (UnityEngine.Object asset in assets)
{
self.AddResource(abInfo.Name, asset.name, asset);
}
}
abInfo.AlreadyLoadAssets = true;
}
finally
{
coroutineLock?.Dispose();
}
}
private static void UnloadOneBundle(this ResourcesComponent self, string assetBundleName, bool unload = true)
{
assetBundleName = assetBundleName.BundleNameToLower();
ABInfo abInfo;
if (!self.bundles.TryGetValue(assetBundleName, out abInfo))
{
return;
}
//Log.Debug($"---------------unload one bundle {assetBundleName} refcount: {abInfo.RefCount - 1}");
--abInfo.RefCount;
if (abInfo.RefCount > 0)
{
return;
}
//Log.Debug($"---------------truly unload one bundle {assetBundleName} refcount: {abInfo.RefCount}");
self.bundles.Remove(assetBundleName);
self.resourceCache.Remove(assetBundleName);
abInfo.Destroy(unload);
// Log.Debug($"cache count: {self.cacheDictionary.Count}");
}
private static void CollectDependencies(this ResourcesComponent self, List <string> parents, string assetBundleName, Dictionary <string, int> info)
{
parents.Add(assetBundleName);
string[] deps = self.GetDependencies(assetBundleName);
foreach (string parent in parents)
{
if (!info.ContainsKey(parent))
{
info[parent] = 0;
}
info[parent] += deps.Length;
}
foreach (string dep in deps)
{
if (parents.Contains(dep))
{
throw new Exception($"包有循环依赖，请重新标记: {assetBundleName} {dep}");
}
self.CollectDependencies(parents, dep, info);
}
parents.RemoveAt(parents.Count - 1);
}
private static string[] GetSortedDependencies(this ResourcesComponent self, string assetBundleName)
{
var info = new Dictionary <string, int>();
var parents = new List <string>();
self.CollectDependencies(parents, assetBundleName, info);
string[] ss = info.OrderBy(x => x.Value).Select(x => x.Key).ToArray();
return(ss);
}
public static string DebugString(this ResourcesComponent self)
{
StringBuilder sb = new StringBuilder();
foreach (ABInfo abInfo in self.bundles.Values)
{
sb.Append($"{abInfo.Name}:{abInfo.RefCount}\n");
}
return(sb.ToString());
}
private static void AddResource(this ResourcesComponent self, string bundleName, string assetName, UnityEngine.Object resource)
{
Dictionary <string, UnityEngine.Object> dict;
if (!self.resourceCache.TryGetValue(bundleName.BundleNameToLower(), out dict))
{
dict = new Dictionary <string, UnityEngine.Object>();
self.resourceCache[bundleName] = dict;
}
dict[assetName] = resource;
}
/// <summary>
/// 异步加载assetbundle, 加载ab包分两部分，第一部分是从硬盘加载，第二部分加载all assets。两者不能同时并发
/// </summary>
public static async ETTask LoadBundleAsync(this ResourcesComponent self, string assetBundleName)
{
assetBundleName = assetBundleName.BundleNameToLower();
string[] dependencies = self.GetSortedDependencies(assetBundleName);
//Log.Debug($"-----------dep load async start {assetBundleName} dep: {dependencies.ToList().ListToString()}");
using (ListComponent <ABInfo> abInfos = ListComponent <ABInfo> .Create())
{
async ETTask LoadDependency(string dependency, List <ABInfo> abInfosList)
{
CoroutineLock coroutineLock = null;
try
{
coroutineLock = await CoroutineLockComponent.Instance.Wait(CoroutineLockType.Resources, dependency.GetHashCode());
ABInfo abInfo = await self.LoadOneBundleAsync(dependency);
if (abInfo == null || abInfo.RefCount > 1)
{
return;
}
abInfosList.Add(abInfo);
}
finally
{
coroutineLock?.Dispose();
}
}
// LoadFromFileAsync部分可以并发加载
using (ListComponent <ETTask> tasks = ListComponent <ETTask> .Create())
{
foreach (string dependency in dependencies)
{
tasks.Add(LoadDependency(dependency, abInfos));
}
await ETTaskHelper.WaitAll(tasks);
// ab包从硬盘加载完成，可以再并发加载all assets
tasks.Clear();
foreach (ABInfo abInfo in abInfos)
{
tasks.Add(self.LoadOneBundleAllAssets(abInfo));
}
await ETTaskHelper.WaitAll(tasks);
}
}
}
// 只允许场景设置unload为false
public static void UnloadBundle(this ResourcesComponent self, string assetBundleName, bool unload = true)
{
assetBundleName = assetBundleName.BundleNameToLower();
string[] dependencies = self.GetSortedDependencies(assetBundleName);
//Log.Debug($"-----------dep unload start {assetBundleName} dep: {dependencies.ToList().ListToString()}");
foreach (string dependency in dependencies)
{
self.UnloadOneBundle(dependency, unload);
}
//Log.Debug($"-----------dep unload finish {assetBundleName} dep: {dependencies.ToList().ListToString()}");
}
public static UnityEngine.Object GetAsset(this ResourcesComponent self, string bundleName, string prefab)
{
Dictionary <string, UnityEngine.Object> dict;
if (!self.resourceCache.TryGetValue(bundleName.BundleNameToLower(), out dict))
{
throw new Exception($"not found asset: {bundleName} {prefab}");
}
UnityEngine.Object resource = null;
if (!dict.TryGetValue(prefab, out resource))
{
throw new Exception($"not found asset: {bundleName} {prefab}");
}
return(resource);
}
/// <summary>
/// 同步加载assetbundle
/// </summary>
/// <param name="assetBundleName"></param>
/// <returns></returns>
public static void LoadBundle(this ResourcesComponent self, string assetBundleName)
{
assetBundleName = assetBundleName.ToLower();
string[] dependencies = self.GetSortedDependencies(assetBundleName);
//Log.Debug($"-----------dep load start {assetBundleName} dep: {dependencies.ToList().ListToString()}");
foreach (string dependency in dependencies)
{
if (string.IsNullOrEmpty(dependency))
{
continue;
}
self.LoadOneBundle(dependency);
}
//Log.Debug($"-----------dep load finish {assetBundleName} dep: {dependencies.ToList().ListToString()}");
}
private static string[] GetDependencies(this ResourcesComponent self, string assetBundleName)
{
string[] dependencies = Array.Empty <string>();
if (self.DependenciesCache.TryGetValue(assetBundleName, out dependencies))
{
return(dependencies);
}
if (!Define.IsAsync)
{
if (Define.IsEditor)
{
dependencies = Define.GetAssetBundleDependencies(assetBundleName, true);
}
}
else
{
dependencies = self.AssetBundleManifestObject.GetAllDependencies(assetBundleName);
}
self.DependenciesCache.Add(assetBundleName, dependencies);
return(dependencies);
}
// 一帧卸载一个包，避免卡死
public static async ETTask UnloadBundleAsync(this ResourcesComponent self, string assetBundleName, bool unload = true)
{
assetBundleName = assetBundleName.BundleNameToLower();
string[] dependencies = self.GetSortedDependencies(assetBundleName);
//Log.Debug($"-----------dep unload start {assetBundleName} dep: {dependencies.ToList().ListToString()}");
foreach (string dependency in dependencies)
{
CoroutineLock coroutineLock = null;
try
{
coroutineLock = await CoroutineLockComponent.Instance.Wait(CoroutineLockType.Resources, assetBundleName.GetHashCode());
self.UnloadOneBundle(dependency, unload);
await TimerComponent.Instance.WaitFrameAsync();
}
finally
{
coroutineLock?.Dispose();
}
}
//Log.Debug($"-----------dep unload finish {assetBundleName} dep: {dependencies.ToList().ListToString()}");
}
private static async ETTask <ABInfo> LoadOneBundleAsync(this ResourcesComponent self, string assetBundleName)
{
assetBundleName = assetBundleName.BundleNameToLower();
ABInfo abInfo;
if (self.bundles.TryGetValue(assetBundleName, out abInfo))
{
++abInfo.RefCount;
//Log.Debug($"---------------load one bundle {assetBundleName} refcount: {abInfo.RefCount}");
return(null);
}
string p = "";
AssetBundle assetBundle = null;
if (!Define.IsAsync)
{
if (Define.IsEditor)
{
string[] realPath = Define.GetAssetPathsFromAssetBundle(assetBundleName);
foreach (string s in realPath)
{
string assetName = Path.GetFileNameWithoutExtension(s);
UnityEngine.Object resource = Define.LoadAssetAtPath(s);
self.AddResource(assetBundleName, assetName, resource);
}
if (realPath.Length > 0)
{
abInfo = self.AddChild <ABInfo, string, AssetBundle>(assetBundleName, null);
self.bundles[assetBundleName] = abInfo;
//Log.Debug($"---------------load one bundle {assetBundleName} refcount: {abInfo.RefCount}");
}
else
{
Log.Error("Bundle not exist! BundleName: " + assetBundleName);
}
// 编辑器模式也不能同步加载
await TimerComponent.Instance.WaitAsync(100);
return(abInfo);
}
}
p = Path.Combine(PathHelper.AppHotfixResPath, assetBundleName);
if (!File.Exists(p))
{
p = Path.Combine(PathHelper.AppResPath, assetBundleName);
}
Log.Debug("Async load bundle BundleName : " + p);
// if (!File.Exists(p))
// {
// Log.Error("Async load bundle not exist! BundleName : " + p);
// return null;
// }
AssetBundleCreateRequest assetBundleCreateRequest = AssetBundle.LoadFromFileAsync(p);
await assetBundleCreateRequest;
assetBundle = assetBundleCreateRequest.assetBundle;
if (assetBundle == null)
{
// 获取资源的时候会抛异常，这个地方不直接抛异常，因为有些地方需要Load之后判断是否Load成功
Log.Warning($"assets bundle not found: {assetBundleName}");
return(null);
}
abInfo = self.AddChild <ABInfo, string, AssetBundle>(assetBundleName, assetBundle);
self.bundles[assetBundleName] = abInfo;
return(abInfo);
//Log.Debug($"---------------load one bundle {assetBundleName} refcount: {abInfo.RefCount}");
}
private static void LoadOneBundle(this ResourcesComponent self, string assetBundleName)
{
assetBundleName = assetBundleName.BundleNameToLower();
ABInfo abInfo;
if (self.bundles.TryGetValue(assetBundleName, out abInfo))
{
++abInfo.RefCount;
//Log.Debug($"---------------load one bundle {assetBundleName} refcount: {abInfo.RefCount}");
return;
}
if (!Define.IsAsync)
{
if (Define.IsEditor)
{
string[] realPath = null;
realPath = Define.GetAssetPathsFromAssetBundle(assetBundleName);
foreach (string s in realPath)
{
string assetName = Path.GetFileNameWithoutExtension(s);
UnityEngine.Object resource = Define.LoadAssetAtPath(s);
self.AddResource(assetBundleName, assetName, resource);
}
if (realPath.Length > 0)
{
abInfo = self.AddChild <ABInfo, string, AssetBundle>(assetBundleName, null);
self.bundles[assetBundleName] = abInfo;
//Log.Debug($"---------------load one bundle {assetBundleName} refcount: {abInfo.RefCount}");
}
else
{
Log.Error($"assets bundle not found: {assetBundleName}");
}
}
return;
}
string p = Path.Combine(PathHelper.AppHotfixResPath, assetBundleName);
AssetBundle assetBundle = null;
if (File.Exists(p))
{
assetBundle = AssetBundle.LoadFromFile(p);
}
else
{
p = Path.Combine(PathHelper.AppResPath, assetBundleName);
assetBundle = AssetBundle.LoadFromFile(p);
}
if (assetBundle == null)
{
// 获取资源的时候会抛异常，这个地方不直接抛异常，因为有些地方需要Load之后判断是否Load成功
Log.Warning($"assets bundle not found: {assetBundleName}");
return;
}
if (!assetBundle.isStreamedSceneAssetBundle)
{
// 异步load资源到内存cache住
var assets = assetBundle.LoadAllAssets();
foreach (UnityEngine.Object asset in assets)
{
self.AddResource(assetBundleName, asset.name, asset);
}
}
abInfo = self.AddChild <ABInfo, string, AssetBundle>(assetBundleName, assetBundle);
self.bundles[assetBundleName] = abInfo;
//Log.Debug($"---------------load one bundle {assetBundleName} refcount: {abInfo.RefCount}");
}
public static bool Contains(this ResourcesComponent self, string bundleName)
{
return(self.bundles.ContainsKey(bundleName));
}