private static RenderingHighlighter GetDefaultRenderHighlighter(string sortLayer)
    {
        //If this layer is not available in tool yet, allow default values.
        bool usingDefaultValues;

        var defaultRenderingHighlighter = new RenderingHighlighter
        {
            LayerName = sortLayer,
            sortingOrderTextColor = GetCorrectTextColorForLayer(sortLayer),
            layerTexture =
                GetCorrectTextureForLayer(sortLayer, out usingDefaultValues)
        };

        //If using default values, we set a custom layer name - a substring of the original name
        if (usingDefaultValues)
        {
            defaultRenderingHighlighter.customLayerName = sortLayer.Substring(0, 3);
        }
        return defaultRenderingHighlighter;
    }
    public static void ResyncAssetFile()
    {
        string[] sortingLayerNames = GetSortingLayerNames();

        //Fill them up with defaults
        var newRenderingHighlighters = new List<RenderingHighlighter>(sortingLayerNames.Length);
        for (int i = 0; i < sortingLayerNames.Length; i++)
        {
            newRenderingHighlighters.Add(GetDefaultRenderHighlighter(sortingLayerNames[i]));
        }

        var renderingHighlighters = _renderingHighlightersDataFile.RenderingHighlightersList;
        for (int i = 0; i < newRenderingHighlighters.Count; i++)
        {
            RenderingHighlighter newRenderingHighlighter = newRenderingHighlighters[i];
            foreach (RenderingHighlighter renderingHighlighter in renderingHighlighters)
            {
                if (newRenderingHighlighter.LayerName != renderingHighlighter.LayerName)
                {
                    continue;
                }

                if (renderingHighlighter.layerTexture == null)
                {
                    bool isUsingDefaultTexture;
                    renderingHighlighter.layerTexture = GetCorrectTextureForLayer(newRenderingHighlighter.LayerName, out isUsingDefaultTexture);
                }

                //If custom layer was changed before - use the one set by the user
                if (!string.IsNullOrEmpty(renderingHighlighter.customLayerName))
                {
                    newRenderingHighlighter.customLayerName = renderingHighlighter.customLayerName;
                }
                newRenderingHighlighters[i] = renderingHighlighter;
            }
        }

        for (int i = 0; i < NGUIHighlighterConstants.NUMBER_OF_NGUI_LAYERS; i++)
        {
            //Add a manual layer for the NGUI widgets
            var widgetRenderingHighlighterForLayer = new RenderingHighlighter
            {
                LayerName = NGUIHighlighterConstants.NGUI_LAYER + i,
                layerTexture = AssetDatabase.LoadAssetAtPath(
                RendererHighlighterConstants.iconsFilePath + NGUIHighlighterConstants.NGUI_ICON + i + RendererHighlighterConstants.TIF_EXTENSION,
                typeof(Texture2D)) as Texture2D,
                sortingOrderTextColor = Color.white
            };

            newRenderingHighlighters.Add(widgetRenderingHighlighterForLayer);
        }

        for (int i = 0; i < NGUIHighlighterConstants.NUMBER_OF_NGUI_LAYERS; i++)
        {
            //Add a manual layer for the NGUI panels
            var panelRenderingHighlighterForLayer = new RenderingHighlighter
            {
                LayerName = NGUIHighlighterConstants.NGUIPANEL_LAYER + i,
                layerTexture = AssetDatabase.LoadAssetAtPath(
                    RendererHighlighterConstants.iconsFilePath + NGUIHighlighterConstants.NGUI_ICON + i + RendererHighlighterConstants.TIF_EXTENSION,
                    typeof(Texture2D)) as Texture2D,
                layerSecondaryTexture = AssetDatabase.LoadAssetAtPath(RendererHighlighterConstants.iconsFilePath + NGUIHighlighterConstants.NGUI_PANEL_ICON,
                    typeof(Texture2D)) as Texture2D,
                sortingOrderTextColor = Color.white
            };

            newRenderingHighlighters.Add(panelRenderingHighlighterForLayer);
        }
        _renderingHighlightersDataFile.RenderingHighlightersList = newRenderingHighlighters;
    }