SGPropertyNode *lon_node;
SGPropertyNode *lat_node;
SGPropertyNode *alt_node;
+ SGPropertyNode *bus_power;
+ SGPropertyNode *power_btn;
+ SGPropertyNode *audio_btn;
+ SGPropertyNode *servicable;
bool need_update;
inline bool get_inner_blink () const { return inner_blink; }
inline bool get_middle_blink () const { return middle_blink; }
inline bool get_outer_blink () const { return outer_blink; }
+ inline bool has_power() const {
+ return power_btn->getBoolValue() && (bus_power->getDoubleValue() > 1.0);
+ }
};