lua: hud library

src/frontend/screens.h

@@ -7,7 +7,7 @@
 class Assets;
 class Level;
 class WorldRenderer;
-class HudRenderer;
+class Hud;
 class Engine;
 class Camera;
 class Batch2D;
@@ -40,7 +40,7 @@ public:
 class LevelScreen : public Screen {
     std::unique_ptr<Level> level;
     std::unique_ptr<LevelFrontend> frontend;
-    std::unique_ptr<HudRenderer> hud;
+    std::unique_ptr<Hud> hud;
     std::unique_ptr<WorldRenderer> worldRenderer;
     std::unique_ptr<LevelController> controller;
     std::unique_ptr<TextureAnimator> animator;