private void OnEnable()
        {
            manager = target as LightmappingManager;

            presetsToBlend = new LightmapPreset[0];

            currentModeProperty    = serializedObject.FindProperty("currentMode");
            initOnAwakeProperty    = serializedObject.FindProperty("initOnAwake");
            useEditModeProperty    = serializedObject.FindProperty("useEditMode");
            initialPresetsProperty = serializedObject.FindProperty("initialPresets");
            cachedProbesProperty   = serializedObject.FindProperty("cachedProbes");
            blendingPresetProperty = serializedObject.FindProperty("blendingPreset");
            blendValueProperty     = serializedObject.FindProperty("blendValue");

            initialPresetsList = EditorHelper.CreateList(initialPresetsProperty);
            initialPresetsList.drawElementCallback = (rect, index, isActive, isFocused) =>
            {
                var element = initialPresetsProperty.GetArrayElementAtIndex(index);
                EditorGUI.PropertyField(rect, element, GUIContent.none, element.isExpanded);
            };
        }
    // private SerializedProperty lightmapsTextures;

    void OnEnable()
    {
        lightmappingmanager = target as LightmappingManager;
    }
 // private SerializedProperty lightmapsTextures;
 void OnEnable()
 {
     lightmappingmanager  = target as LightmappingManager;
 }