class ENGINE_API FStaticMeshRenderData struct ENGINE_API FStaticMeshLODResources : public FRefCountBase FStaticMeshLODResources(bool bAddRef = true); ~FStaticMeshLODResources(); class ENGINE_API FObjectCacheContext 暴露这两个类后,对他们的方法都要取消暴露 索引类改成cpu可访问