public override IEnumerator LoadResource(IInfoData iData, LoadBundleFinish delFinish, object param1, object param2)
{
ModelInfoData infoData = iData as ModelInfoData;
if (infoData == null)
{
yield break;
}
#if UNITY_EDITOR
if (PlayerSetting.SimulateAssetBundleInEditor)
{
if (null != delFinish)
{
string assetPath = GetBundleLoadUrl(PathModelPrefab, infoData.name.ToLower(), ".prefab");
GameObject gb = AssetDatabase.LoadAssetAtPath <GameObject>(assetPath);
delFinish(infoData, gb, param1, param2);
}
yield break;
}
#endif
///这里充当加载标识的作用，表示如果当前已经在加载这个资源了，则等待直到资源加载完成
while (m_dicSingleBundleRef.Contains(infoData.GetBundleName()))
{
yield return(0);
}
///添加对应的引用计数
if (!m_dicSingleBundleRef.Contains(infoData.GetBundleName()))
{
m_dicSingleBundleRef.Add(infoData.GetBundleName());
}
if (LoadFromCache(infoData, delFinish, param1, param2))
{
yield break;
}
string assetBundleName = infoData.name.ToLower();
string loadPath = GetBundleLoadUrl(PathModelPrefab, assetBundleName, m_bundleExt);
AssetBundleCreateRequest req = GetBundleRequest(loadPath);
yield return(req);
yield return(ProcessLoad(req.assetBundle, infoData, delFinish, param1, param2));
}
private static bool LoadFromCache(ModelInfoData infoData, LoadBundleFinish delFinish, object param1, object param2)
{
string assetBundleName = infoData.GetBundleName();
if (m_dicSingleBundleCache.ContainsKey(assetBundleName))
{
///添加对应的引用计数
// if (!m_dicSingleBundleRef.Contains(assetBundleName))
{
// m_dicSingleBundleRef.Add(assetBundleName);
}
GameObject modelObject = m_dicSingleBundleCache[assetBundleName].modelOrEffect;
if (null != delFinish)
{
delFinish(infoData, modelObject, param1, param2);
}
return(true);
}
return(false);
}
private static IEnumerator ProcessLoad(AssetBundle bundle, ModelInfoData infoData,
LoadBundleFinish delFinish, object param1, object param2, bool isAync = true)
{
if (null == bundle)
{
yield break;
}
AssetBundleRequest req = bundle.LoadAssetAsync(infoData.GetBundleName(), typeof(GameObject));
yield return(req);
if (m_dicSingleBundleRef.Contains(infoData.GetBundleName()))
{
m_dicSingleBundleRef.Remove(infoData.GetBundleName());
}
GameObject retObj = req.asset as GameObject;
if (null != delFinish)
{
delFinish(infoData, retObj, param1, param2);
}
}