Method IsChainInDepot

src/ground_vehicle.cpp:190–204

 */
template <class T, VehicleType Type>
bool GroundVehicle<T, Type>::IsChainInDepot() const
{
	const T *v = this->First();
	/* Is the front engine stationary in the depot? */
	static_assert((int)TRANSPORT_RAIL == (int)VEH_TRAIN);
	static_assert((int)TRANSPORT_ROAD == (int)VEH_ROAD);
	if (!IsDepotTypeTile(v->tile, (TransportType)Type) || v->cur_speed != 0) return false;

	/* Check whether the rest is also already trying to enter the depot. */
	for (; v != nullptr; v = v->Next()) {
		if (!v->T::IsInDepot() || v->tile != this->tile) return false;
	}

	return true;
}

/* Instantiation for Train */
template struct GroundVehicle<Train, VEH_TRAIN>;