Function UpdateAircraftCache

src/aircraft_cmd.cpp:601–625

* Update cached values of an aircraft. * Currently caches callback 36 max speed. * @param v Vehicle * @param update_range Update the aircraft range. */

 * @param update_range Update the aircraft range.
 */
void UpdateAircraftCache(Aircraft *v, bool update_range)
{
	uint max_speed = GetVehicleProperty(v, PROP_AIRCRAFT_SPEED, 0);
	if (max_speed != 0) {
		/* Convert from original units to km-ish/h */
		max_speed = (max_speed * 128) / 10;

		v->vcache.cached_max_speed = max_speed;
	} else {
		/* Use the default max speed of the vehicle. */
		v->vcache.cached_max_speed = AircraftVehInfo(v->engine_type)->max_speed;
	}

	/* Update cargo aging period. */
	v->vcache.cached_cargo_age_period = GetVehicleProperty(v, PROP_AIRCRAFT_CARGO_AGE_PERIOD, EngInfo(v->engine_type)->cargo_age_period);
	Aircraft *u = v->Next(); // Shadow for mail
	u->vcache.cached_cargo_age_period = GetVehicleProperty(u, PROP_AIRCRAFT_CARGO_AGE_PERIOD, EngInfo(u->engine_type)->cargo_age_period);

	/* Update aircraft range. */
	if (update_range) {
		v->acache.cached_max_range = GetVehicleProperty(v, PROP_AIRCRAFT_RANGE, AircraftVehInfo(v->engine_type)->max_range);
		/* Squared it now so we don't have to do it later all the time. */
		v->acache.cached_max_range_sqr = v->acache.cached_max_range * v->acache.cached_max_range;
	}
}


/**