refactor: use of GuiManager

include/render/gui/TowerGui.h

@@ -9,6 +9,8 @@
 
 #include <memory>
 
+#include "render/gui/GuiManager.h"
+
 struct SDL_Window;
 typedef void* SDL_GLContext;
 
@@ -20,15 +22,6 @@ class Client;
 
 } // namespace client
 
-namespace gui {
-
-class MainMenu;
-class GameMenu;
-class FrameMenu;
-class UpdateMenu;
-
-} // namespace gui
-
 namespace render {
 
 class Renderer;
@@ -38,11 +31,8 @@ private:
     SDL_Window* m_Window;
     SDL_GLContext m_GlContext;
     td::render::Renderer* m_Renderer;
+    td::gui::GuiManager m_GuiManager;
     std::unique_ptr<td::client::Client> m_Client;
-    std::unique_ptr<td::gui::MainMenu> m_MainMenu;
-    std::unique_ptr<td::gui::GameMenu> m_GameMenu;
-    std::unique_ptr<td::gui::FrameMenu> m_FrameMenu;
-    std::unique_ptr<td::gui::UpdateMenu> m_UpdateMenu;
 public:
     TowerGui(SDL_Window* wndow, SDL_GLContext glContext, td::render::Renderer* renderer);
     ~TowerGui();