Updated menus, added background to Tools

lib/tools/asset_viewer/lib/main_menu.rb

@@ -1,6 +1,7 @@
 class IMICFPS
   class AssetViewerTool
     class MainMenu < CyberarmEngine::GuiState
+      include CommonMethods
       def setup
         window.needs_cursor = true
 
@@ -31,6 +32,11 @@ class IMICFPS
         end
       end
 
+      def draw
+        menu_background(Menu::PRIMARY_COLOR, Menu::ACCENT_COLOR, Menu::BAR_COLOR_STEP, Menu::BAR_ALPHA, Menu::BAR_SIZE, Menu::BAR_SLOPE)
+        super
+      end
+
       def update
         super