public bool Update()
{
if (m_Request != null)
{
CRequest.SetProgress(request, m_Request.progress);
if (!allowSceneActivation && LoaderType.Typeof_ABScene.Equals(request.assetType) && m_Request.progress >= 0.9f)//加载场景的时候如果allowSceneActivation = false 只能通过progress判断完成
{
return(false);
}
else
{
return(!m_Request.isDone);
}
}
#if UNITY_EDITOR
if (m_isDone)
{
return(false); //only for editor 模拟模式使用
}
#endif
if (m_Bundle == null)
{
m_Bundle = CacheManager.TryGetCache(request.assetBundleName);
}
if (m_Bundle == null || !m_Bundle.isDone /* || !CacheManager.CheckDependenciesComplete(request.assetBundleName)*/)
{
return(true); //wait bundle done
}
if (!m_Bundle.canUse) //ab失效
{
CRequest.SetError(request, string.Format("load asset({0}) from bundle({1}).canUse = false error", request.assetName, request.assetBundleName));
Debug.LogError(request.error);
return(false);
}
else
{
string assetName = request.assetName;
var typ = request.assetType;
if (LoaderType.Typeof_ABScene.Equals(typ))
{
m_Request = SceneManager.LoadSceneAsync(assetName, loadSceneMode);
m_Request.allowSceneActivation = allowSceneActivation;
CRequest.SetData(request, m_Request); //加载场景比较特殊 提前返回AsyncOperation对象方便操作
CacheManager.AddScene(request.assetName, request.assetBundleName); //缓存场景
}
else if (subAssets)
{
m_Request = m_Bundle.assetBundle.LoadAssetWithSubAssetsAsync(assetName, typ);
}
else
{
m_Request = m_Bundle.assetBundle.LoadAssetAsync(assetName, typ);
}
// #if HUGULA_LOADER_DEBUG
// // HugulaDebug.FilterLogFormat (cRequest.key, " <color=#15A0A1> 1.2 Asset Request(assetName={0}) is done={1} key={2},frame={3} </color>", cRequest.assetName, m_Request.isDone, cRequest.key, Time.frameCount);
// #endif
// GS_GameLog.LogFormat("LoadAssetAsync({0},{1}) m_Request.isDone={2}", assetName, typ, m_Request.isDone);
CRequest.SetProgress(request, m_Request.progress);
return(!m_Request.isDone);
}
}
/// <summary>
/// 卸载场景和bundle
/// </summary>
/// <param name="sceneName"></param>
/// <returns></returns>
static public AsyncOperation UnloadScene(string sceneName)
{
return(CacheManager.UnloadScene(sceneName));
}
/// <summary>
/// assetbundle计数减一 为0的时候自动卸载
/// </summary>
/// <param name="abName"></param>
/// <returns></returns>
static public void Subtract(string abName)
{
CacheManager.Subtract(abName);
}
/// <summary>
/// finish assetbundle
/// </summary>
/// <param name="operation"></param>
static void ProcessFinishedBundleOperation(AssetBundleDownloadOperation operation)
{
#if HUGULA_PROFILER_DEBUG
Profiler.BeginSample(string.Format("ResourcesLoader.ProcessFinishedBundleOperation CRequest({0},shared={1})", operation.cRequest.assetName, operation.cRequest.isShared));
#endif
var req = operation.cRequest;
bool isError = operation.assetBundle == null;
var ab = operation.assetBundle;
AssetBundleDownloadOperation download = operation;
if (isError && UriGroup.CheckAndSetNextUriGroup(req))
{
#if HUGULA_LOADER_DEBUG
HugulaDebug.FilterLogFormat(req.key, "<color=#10f010>1.9 ProcessFinishedBundleOperation AssetBundle re Loaded Request(url={0},assetname={1},dependencies.count={3},keyHashCode{2}),isError={4} frameCount{5}</color>", req.url, req.assetName, req.keyHashCode, req.dependencies == null ? 0 : req.dependencies.Length, isError, Time.frameCount);
#endif
//loop load a assetbundle maybe cause a crash : signal 6 (SIGABRT), code -6 (?), fault addr --------
inProgressBundleOperations.Add(download);
download.Reset();
download.SetRequest(req);
download.BeginDownload(); //retry
}
else
{
if (!isError)
{
CacheManager.AddSourceCacheDataFromWWW(ab, req);
}
else
{
#if UNITY_EDITOR
Debug.LogWarning(operation.error);
#endif
CacheManager.AddErrorSourceCacheDataFromReq(req);
}
#if HUGULA_LOADER_DEBUG
HugulaDebug.FilterLogFormat(req.key, "<color=#10f010>1.9 ProcessFinishedBundleOperation AssetBundle Loaded Request(url={0},assetname={1},dependencies.count={3},keyHashCode{2}),isError={4} frameCount{5}</color>", req.url, req.assetName, req.keyHashCode, req.dependencies == null ? 0 : req.dependencies.Length, isError, Time.frameCount);
#endif
//begin load asset
InsertAssetBundleLoadAssetOperation(download);
downloadingBundles.Remove(req.key);
download.ReleaseToPool();
if (isError)
{
CallOnAssetBundleErr(req);
}
else
{
CallOnAssetBundleComplete(req, ab);
}
if (req.isShared)
{
req.ReleaseToPool();
}
}
#if HUGULA_PROFILER_DEBUG
Profiler.EndSample();
#endif
}
/// <summary>
/// load LoadDependencies assetbundle
/// </summary>
/// <param name="req"></param>
/// <returns></returns>
static protected int[] LoadDependencies(CRequest req, CRequest parent)
{
string[] deps = ManifestManager.fileManifest.GetDirectDependencies(req.assetBundleName);
if (deps.Length == 0)
{
return(null);
}
string abName = string.Empty;
if (parent != null)
{
abName = CUtils.GetBaseName(parent.assetBundleName);
}
#if HUGULA_PROFILER_DEBUG
Profiler.BeginSample(string.Format("LoadDependencies ({0},{1},{2}) new int[deps.Length]", req.assetName, req.key, req.isShared));
#endif
string dep_url;
string depAbName = "";
CRequest item;
int[] hashs = new int[deps.Length];
int keyhash;
#if HUGULA_PROFILER_DEBUG
Profiler.EndSample();
#endif
for (int i = 0; i < deps.Length; i++)
{
depAbName = CUtils.GetBaseName(deps[i]);
if (abName == depAbName)
{
#if UNITY_EDITOR
Debug.LogErrorFormat("Dependencies({1}) Contains the parent({0}) ! ", req.assetBundleName, abName);
#else
Debug.LogWarningFormat("Dependencies({1}) Contains the parent({0}) ! ", req.assetBundleName, abName);
#endif
hashs[i] = 0;
continue;
}
dep_url = ManifestManager.RemapVariantName(depAbName);//string gc alloc
keyhash = LuaHelper.StringToHash(dep_url);
hashs[i] = keyhash;
CacheData sharedCD = CacheManager.TryGetCache(keyhash);
if (sharedCD != null)
{
sharedCD.count++;
int count = sharedCD.count;//CountMananger.WillAdd(keyhash); //引用数量加1;
#if HUGULA_CACHE_DEBUG
HugulaDebug.FilterLogFormat(dep_url, " <color=#fcfcfc> add (assetBundle={0},parent={1},hash={2},count={3}) frameCount={4}</color>", dep_url, req.key, keyhash, count, UnityEngine.Time.frameCount);
#endif
if (count == 1)//相加后为1，可能在回收列表，需要对所有依赖项目引用+1
{
ABDelayUnloadManager.CheckRemove(keyhash);
}
#if HUGULA_LOADER_DEBUG
HugulaDebug.FilterLogFormat(req.key, " <color=#15A0A1> 1.1 Shared AssetBundle is Done Request(assetName={0}) Parent Req(assetName={1},key={2},isShared={3}) </color>", sharedCD.assetBundleKey, req.assetName, req.key, req.isShared);
#endif
}
else
{
#if HUGULA_CACHE_DEBUG
int count = CountMananger.WillAdd(keyhash); //引用数量加1
HugulaDebug.FilterLogFormat(dep_url, " <color=#fcfcfc> will add (assetBundle={0},parent={1},hash={2},count={3}) frameCount={4}</color>", dep_url, req.key, keyhash, count, UnityEngine.Time.frameCount);
#else
CountMananger.WillAdd(keyhash); //引用数量加1
#endif
item = CRequest.Get();
item.relativeUrl = dep_url;
item.isShared = true;
item.async = req.async;
item.priority = req.priority;
item.dependencies = LoadDependencies(item, req);
item.uris = req.uris;
#if HUGULA_LOADER_DEBUG
HugulaDebug.FilterLogFormat(req.key, "<color=#15A0A1>1.1 Load Dependencies Req({1},keyHashCode{2}) AssetBundleInternal Parent Request(assetname={0}), dependencies.count={3},frameCount{4}</color>", req.assetName, item.assetName, item.keyHashCode, item.dependencies == null ? 0 : item.dependencies.Length, Time.frameCount);
#endif
LoadAssetBundleInternal(item);
}
}
return(hashs);
}
/// <summary>
/// Update is called every frame, if the MonoBehaviour is enabled.
/// </summary>
void Update()
{
// frameBegin = System.DateTime.Now;
watch.Reset();
watch.Start();
//Debug.Log(bundleQueue.Count + "=============");
#if HUGULA_PROFILER_DEBUG
Profiler.BeginSample("ResourcesLoader.LoadBundle" + inProgressBundleOperations.Count);
#endif
//add bunlde to inProgressOperations
while (bundleMax - inProgressBundleOperations.Count > 0 && bundleQueue.Count > 0)
{
//check frame time
if (watch.ElapsedMilliseconds >= BundleLoadBreakMilliSeconds * 3f)
{
#if HUGULA_PROFILER_DEBUG
Profiler.EndSample();
#endif
return;
}
else if (watch.ElapsedMilliseconds >= BundleLoadBreakMilliSeconds * 1.5f)
{
break;
}
var bundleOper = bundleQueue.Dequeue();
inProgressBundleOperations.Add(bundleOper);
#if HUGULA_PROFILER_DEBUG
var req = bundleOper.cRequest;
req.beginLoadTime = System.DateTime.Now;
#endif
bundleOper.BeginDownload();
}
#if HUGULA_PROFILER_DEBUG
Profiler.EndSample();
#endif
#if HUGULA_PROFILER_DEBUG
Profiler.BeginSample("inProgressBundleOperations.Loop count=" + inProgressBundleOperations.Count);
#endif
//load bundle
for (int i = 0; i < inProgressBundleOperations.Count;)
{
var operation = inProgressBundleOperations[i];
if (operation.Update())
{
i++;
}
else
{
inProgressBundleOperations.RemoveAt(i);
ProcessFinishedBundleOperation(operation);
//check frame time
if (watch.ElapsedMilliseconds >= BundleLoadBreakMilliSeconds * 3f)
{
#if HUGULA_PROFILER_DEBUG
Profiler.EndSample();
#endif
return;
}
else if (watch.ElapsedMilliseconds >= BundleLoadBreakMilliSeconds * 2)
{
break;
}
}
}
#if HUGULA_PROFILER_DEBUG
Profiler.EndSample();
#endif
#if HUGULA_PROFILER_DEBUG
Profiler.BeginSample("ResourcesLoader.inProgressOperations" + inProgressOperations.Count);
#endif
//load asset or http req
for (int i = 0; i < inProgressOperations.Count;)
{
var operation = inProgressOperations[i];
if (operation.Update())
{
i++;
}
else
{
inProgressOperations.RemoveAt(i);
ProcessFinishedOperation(operation);
}
if (watch.ElapsedMilliseconds >= BundleLoadBreakMilliSeconds * 3f)
{
break;
}
}
//begin load bunld
if (inProgressBundleOperations.Count == 0)
{
LoadingQueue();
}
#if HUGULA_PROFILER_DEBUG
Profiler.EndSample();
#endif
#if UNITY_EDITOR && HUGULA_LOADER_DEBUG
LoadCountInfo = string.Format("wait={0},bundleLoading={1},assetLoad={2}", bundleQueue.Count, inProgressBundleOperations.Count, inProgressOperations.Count);
DebugSB.Length = 0;
for (int i = 0; i < inProgressBundleOperations.Count; i++)
{
var operation = inProgressBundleOperations[i].cRequest;
DebugSB.AppendFormat("CRequest({0},{1}) is loading.\r\n", operation.key, operation.assetName);
var denps = operation.dependencies;
if (denps != null)
{
CacheData cache = null;
int hash = 0;
for (int j = 0; j < denps.Length; j++)
{
hash = denps[j];
if ((cache = CacheManager.TryGetCache(hash)) != null)
{
if (!cache.isDone) // if (!cache.isAssetLoaded || !cache.canUse)
{
DebugSB.AppendFormat("\tdenpens({0},{1}) is not done!\r\n", cache.assetBundleKey, cache.assetHashCode);
}
}
else
{
DebugSB.AppendFormat("\tdenpens({0},{1}) is not exists!\r\n", cache.assetBundleKey, cache.assetHashCode);
}
}
}
}
DebugInfo = DebugSB.ToString();
#endif
}
