+ Msp::GLtk::Root *root;
+
+ Marklin::Catalogue catalogue;
+ Marklin::Layout layout;
+ Marklin::Layout3D layout_3d;
+ Marklin::Server *server;
+ Msp::IO::EventDispatcher event_disp;
+ Marklin::Overlay3D *overlay;
+ std::map<Marklin::Train *, Msp::GL::Color> train_colors;
+
+ Msp::GL::Camera camera;
+ Msp::GL::Lighting lighting;
+ Msp::GL::Light light;
+ Msp::GL::Pipeline pipeline;
+ Msp::GL::Mesh arrow_mesh;
+
+ MainPanel *main_panel;