public void using(Gun gun) {
if (guns == null) {
guns = new HashMap<GunType, Gun>();
}
if (guns.get(gun.type()) != null) {
guns.get(gun.type()).updateFrequency();
} else {
gun.updateFrequency();
guns.put(gun.type(), gun);
}
}
public void maybe_fire_guns() {
Enumeration gs;
Gun gun;
TwoWheeledVehicle v;
gs = this.guns.elements();
while (gs.hasMoreElements()) {
gun = (Gun) gs.nextElement();
if (gun.firing()) {
gun.fired_flag = true;
v = gun.vehicle_hit_by(world);
if (!(v == null)) {
gun.apply_to_vehicle(v);
}
}
}
}