Initial start of the refactoring of gui.cpp into two classes, the gui::FSM will be used to controll all of the other UIs in the game, and evetnually will be pretty dumb.

main_ui.hpp

@@ -0,0 +1,20 @@
+#pragma once
+#include "levelmanager.hpp"
+#include <SFML/Graphics/RenderWindow.hpp>
+
+namespace gui {
+
+  class MainUI {
+    public:
+    GameLevel $level;
+    sf::RenderWindow $window;
+
+    MainUI(GameLevel level) :
+      $level(level),
+      $window(sf::VideoMode({SCREEN_WIDTH, SCREEN_HEIGHT}), "Zed's Raycaster Thing")
+    {
+      $window.setVerticalSyncEnabled(VSYNC);
+      $window.setFramerateLimit(FRAME_LIMIT);
+    }
+  };
+}