void InternalLoadAssetBundle(AssetBundleInfo abInfo)
{
abInfo.LoadFromFile();
_is_current_loader.Add(abInfo);
List <string> dependencys = _dependency.GetDependency(abInfo.GetAssetBundleName());
for (int i = 0; i < dependencys.Count; i++)
{
AssetBundleInfo info = LoadAssetBundle(dependencys[i]);
info.AddReferenceCount();
}
}
IEnumerator LoadAsset(AssetBundleInfo assetBundle, string resName, Type type, OnResourceLoaded onLoaded)
{
if (assetBundle == null || assetBundle.GetAssetBundle() == null)
{
onLoaded(null);
yield break;
}
AssetBundleRequest request = assetBundle.GetAssetBundle().LoadAssetAsync(resName, type);
yield return(request);
onLoaded(request.asset);
assetBundle.AddReferenceCount();
}
Dictionary <string, int> m_LoadingAsset = new Dictionary <string, int>(); // 正在loading 的asset 这个主要处理dependence 的，如果像ullua 那样，a，b ，同时依赖c 并且同时开始load，会出现load c 两次的情况 ---
IEnumerator RealLoadAsseBundle(string assetName, bool isDependence)
{
if (isDependence)
{
int refCount = 0;
if (m_LoadingAsset.TryGetValue(assetName, out refCount))// 如果已经在load了，ref++ break;
{
refCount++;
m_LoadingAsset[assetName] = refCount;
yield break; //
}
else
{
m_LoadingAsset[assetName] = 1;
}
}
// load depencences --
string[] dependencies = m_assetBundleManifest.GetAllDependencies(assetName);
int count = dependencies.Length;
if (count > 0)
{
m_dependencies.Add(assetName, dependencies);
for (int i = 0; i < count; i++)
{
AssetBundleInfo bundleInfo = null;
string depName = dependencies[i];
if (m_loadedAssetBundles.TryGetValue(depName, out bundleInfo))
{
bundleInfo.AddReferenceCount();
}
else
{
yield return(m_helper.TryStartCoroutine(RealLoadAsseBundle(depName, true)));
}
}
}
// wait for all dependences loaded------------
if (count > 0)
{
bool waitForDependence = true;
while (waitForDependence)
{
waitForDependence = false;
for (int i = 0; i < count; i++)
{
AssetBundleInfo bundleInfo = null;
string depName = dependencies[i];
if (!m_loadedAssetBundles.TryGetValue(depName, out bundleInfo))
{
waitForDependence = true;
break;
}
}
yield return(0);
}
}
string url = m_pathConfig.getAssetDir() + assetName; // + add .unity maybe..
WWW load = WWW.LoadFromCacheOrDownload(url, m_assetBundleManifest.GetAssetBundleHash(assetName), 0);
yield return(load);
AssetBundle assetObj = null;
if (string.IsNullOrEmpty(load.error)) // no error
{
assetObj = load.assetBundle;
}
if (assetObj != null)
{
AssetBundleInfo abInfo = m_assetBundleInfoPool.Get();
abInfo.SetAssetBundle(assetObj);
m_loadedAssetBundles.Add(assetName, abInfo);
if (isDependence)
{
int refCount = 0;
if (m_LoadingAsset.TryGetValue(assetName, out refCount))// loading zhong -- 等待其他携程load成功---------
{
abInfo.AddReferenceCount(refCount);
}
}
}
else
{
m_loadedAssetBundles.Add(assetName, m_badAssetBundleInfo);
}
if (isDependence)
{
m_LoadingAsset.Remove(assetName);
}
}
