--- /dev/null
+#ifndef BLANK_APP_ENVIRONMENT_HPP_
+#define BLANK_APP_ENVIRONMENT_HPP_
+
+#include "Assets.hpp"
+#include "FrameCounter.hpp"
+#include "StateControl.hpp"
+#include "../audio/Audio.hpp"
+#include "../graphics/Viewport.hpp"
+
+
+namespace blank {
+
+class Window;
+
+struct Environment {
+
+ Audio audio;
+ Viewport viewport;
+ Window &window;
+
+ Assets assets;
+ FrameCounter counter;
+
+ StateControl state;
+
+
+ explicit Environment(Window &win);
+
+};
+
+}
+
+#endif