frontend/screens deleted

src/frontend/screens/Screen.hpp

@@ -0,0 +1,22 @@
+#ifndef FRONTEND_SCREENS_SCREEN_HPP_
+#define FRONTEND_SCREENS_SCREEN_HPP_
+
+#include "../../util/ObjectsKeeper.hpp"
+
+class Engine;
+class Batch2D;
+
+/// @brief Screen is a mainloop state
+class Screen : public util::ObjectsKeeper {
+protected:
+    Engine* engine;
+    std::unique_ptr<Batch2D> batch;
+public:
+    Screen(Engine* engine);
+    virtual ~Screen();
+    virtual void update(float delta) = 0;
+    virtual void draw(float delta) = 0;
+    virtual void onEngineShutdown() {};
+};
+
+#endif // FRONTEND_SCREENS_SCREEN_HPP_