Method NeedsAutorenewing

src/vehicle.cpp:156–171

* Function to tell if a vehicle needs to be autorenewed * @param *c The vehicle owner * @param use_renew_setting Should the company renew setting be considered? * @return true if the vehicle is old enough for replacement */

 * @return true if the vehicle is old enough for replacement
 */
bool Vehicle::NeedsAutorenewing(const Company *c, bool use_renew_setting) const
{
	/* We can always generate the Company pointer when we have the vehicle.
	 * However this takes time and since the Company pointer is often present
	 * when this function is called then it's faster to pass the pointer as an
	 * argument rather than finding it again. */
	assert(c == Company::Get(this->owner));

	if (use_renew_setting && !c->settings.engine_renew) return false;
	if (this->age - this->max_age < (c->settings.engine_renew_months * 30)) return false;

	/* Only engines need renewing */
	if (this->type == VEH_TRAIN && !Train::From(this)->IsEngine()) return false;

	return true;
}

/**
 * Service a vehicle and all subsequent vehicles in the consist