started working on map and potions

src/game.h

@@ -12,17 +12,18 @@
 
 class game final {
 private:
+        feature features;
         std::unique_ptr<input>   &in;
         std::unique_ptr<display> &out;
         std::unique_ptr<logger>  &log;
-        feature features;
-        std::unique_ptr<RNG> rng;
+        std::unique_ptr<RNG>     &rng;
         std::unique_ptr<character> player;
 public:
         game(const feature enabled_features,
              std::unique_ptr<input>   &new_in,
              std::unique_ptr<display> &new_out,
-             std::unique_ptr<logger>  &new_log);
+             std::unique_ptr<logger>  &new_log,
+             std::unique_ptr<RNG>     &new_rng);
         game_status run();
 private:
         int getcmd() const;