void OnEnable()
        {
            m_packer           = CreateInstance <AlloyMaterialMapChannelPacker>();
            m_packer.hideFlags = HideFlags.HideAndDontSave;

            m_packer.Target = target as AlloyCustomImportObject;
        }
        void OnEnable() {
            m_packer = CreateInstance<AlloyMaterialMapChannelPacker>();
            m_packer.hideFlags = HideFlags.HideAndDontSave;

            m_packer.Target = target as AlloyCustomImportObject;
        }