Method GetRunningCost

src/engine.cpp:280–311

* Return how much the running costs of this engine are. * @return Yearly running cost of the engine. */

 * @return Yearly running cost of the engine.
 */
Money Engine::GetRunningCost() const
{
	Price base_price;
	uint cost_factor;
	switch (this->type) {
		case VEH_ROAD:
			base_price = this->VehInfo<RoadVehicleInfo>().running_cost_class;
			if (base_price == INVALID_PRICE) return 0;
			cost_factor = GetEngineProperty(this->index, PROP_ROADVEH_RUNNING_COST_FACTOR, this->VehInfo<RoadVehicleInfo>().running_cost);
			break;

		case VEH_TRAIN:
			base_price = this->VehInfo<RailVehicleInfo>().running_cost_class;
			if (base_price == INVALID_PRICE) return 0;
			cost_factor = GetEngineProperty(this->index, PROP_TRAIN_RUNNING_COST_FACTOR, this->VehInfo<RailVehicleInfo>().running_cost);
			break;

		case VEH_SHIP:
			base_price = PR_RUNNING_SHIP;
			cost_factor = GetEngineProperty(this->index, PROP_SHIP_RUNNING_COST_FACTOR, this->VehInfo<ShipVehicleInfo>().running_cost);
			break;

		case VEH_AIRCRAFT:
			base_price = PR_RUNNING_AIRCRAFT;
			cost_factor = GetEngineProperty(this->index, PROP_AIRCRAFT_RUNNING_COST_FACTOR, this->VehInfo<AircraftVehicleInfo>().running_cost);
			break;

		default: NOT_REACHED();
	}

	return GetPrice(base_price, cost_factor, this->GetGRF(), -8);
}

/**
 * Return how much a new engine costs.