Refactor, GUI::storage (map for direct access to panels)

src/frontend/gui/GUI.h

@@ -5,6 +5,7 @@
 #include <vector>
 #include <glm/glm.hpp>
 #include <functional>
+#include <unordered_map>
 
 class Batch2D;
 class Assets;
@@ -50,6 +51,8 @@ namespace gui {
         std::shared_ptr<UINode> hover = nullptr;
         std::shared_ptr<UINode> pressed = nullptr;
         std::shared_ptr<UINode> focus = nullptr;
+        std::unordered_map<std::string, std::shared_ptr<UINode>> storage;
+
         Camera* uicamera;
     public:
         GUI();
@@ -62,6 +65,9 @@ namespace gui {
         void draw(Batch2D* batch, Assets* assets);
         void add(std::shared_ptr<UINode> panel);
         void remove(std::shared_ptr<UINode> panel);
+        void store(std::string name, std::shared_ptr<UINode> node);
+        std::shared_ptr<UINode> get(std::string name);
+        void remove(std::string name);
     };
 }