More work on the login system, especially 'tangible.redirect'

luprex/core/cpp/world.hpp

@@ -68,8 +68,9 @@ public:
     //
     int64_t id() { return plane_item_.id(); }
 
-    // void be_a_player();
     void update_plane_item();
+    bool is_an_actor() { return id_player_pool_.fifo_enabled(); }
+    void be_an_actor() { id_player_pool_.enable_fifo(); }
 };
 
 class World {