int serial_fd;
bool power;
+ bool halted;
std::map<unsigned, Locomotive> locos;
std::map<unsigned, Turnout> turnouts;
std::map<unsigned, Sensor> sensors;
virtual void set_power(bool);
virtual bool get_power() const { return power; }
+ virtual void halt(bool);
+ virtual bool is_halted() const { return halted; }
virtual void add_loco(unsigned);
virtual void set_loco_speed(unsigned, unsigned);
virtual bool get_turnout(unsigned) const;
virtual void add_sensor(unsigned);
+ virtual void set_sensor(unsigned, bool) { }
virtual bool get_sensor(unsigned) const;
virtual void tick();