Method CanCarryCargo

src/engine.cpp:167–190

* Determines whether an engine can carry something. * A vehicle cannot carry anything if its capacity is zero, or none of the possible cargoes is available in the climate. * @return true if the vehicle can carry something. */

 * @return true if the vehicle can carry something.
 */
bool Engine::CanCarryCargo() const
{
	/* For engines that can appear in a consist (i.e. rail vehicles and (articulated) road vehicles), a capacity
	 * of zero is a special case, to define the vehicle to not carry anything. The default cargotype is still used
	 * for livery selection etc.
	 * Note: Only the property is tested. A capacity callback returning 0 does not have the same effect.
	 */
	switch (this->type) {
		case VEH_TRAIN:
			if (this->VehInfo<RailVehicleInfo>().capacity == 0) return false;
			break;

		case VEH_ROAD:
			if (this->VehInfo<RoadVehicleInfo>().capacity == 0) return false;
			break;

		case VEH_SHIP:
		case VEH_AIRCRAFT:
			break;

		default: NOT_REACHED();
	}
	return IsValidCargoType(this->GetDefaultCargoType());
}


/**