Method PreDestructor

src/vehicle.cpp:796–861

Destroy all stuff that (still) needs the virtual functions to work properly */

/** Destroy all stuff that (still) needs the virtual functions to work properly */
void Vehicle::PreDestructor()
{
	if (CleaningPool()) return;

	if (Station::IsValidID(this->last_station_visited)) {
		Station *st = Station::Get(this->last_station_visited);
		st->loading_vehicles.remove(this);

		HideFillingPercent(&this->fill_percent_te_id);
		this->CancelReservation(StationID::Invalid(), st);
		delete this->cargo_payment;
		assert(this->cargo_payment == nullptr); // cleared by ~CargoPayment
	}

	if (this->IsEngineCountable()) {
		GroupStatistics::CountEngine(this, -1);
		if (this->IsPrimaryVehicle()) GroupStatistics::CountVehicle(this, -1);
		GroupStatistics::UpdateAutoreplace(this->owner);

		if (this->owner == _local_company) InvalidateAutoreplaceWindow(this->engine_type, this->group_id);
		DeleteGroupHighlightOfVehicle(this);
	}

	Company::Get(this->owner)->freeunits[this->type].ReleaseID(this->unitnumber);

	if (this->type == VEH_AIRCRAFT && this->IsPrimaryVehicle()) {
		Aircraft *a = Aircraft::From(this);
		Station *st = GetTargetAirportIfValid(a);
		if (st != nullptr) {
			const auto &layout = st->airport.GetFTA()->layout;
			st->airport.blocks.Reset(layout[a->previous_pos].blocks | layout[a->pos].blocks);
		}
	}


	if (this->type == VEH_ROAD && this->IsPrimaryVehicle()) {
		RoadVehicle *v = RoadVehicle::From(this);
		if (!v->vehstatus.Test(VehState::Crashed) && IsInsideMM(v->state, RVSB_IN_DT_ROAD_STOP, RVSB_IN_DT_ROAD_STOP_END)) {
			/* Leave the drive through roadstop, when you have not already left it. */
			RoadStop::GetByTile(v->tile, GetRoadStopType(v->tile))->Leave(v);
		}

		if (v->disaster_vehicle != VehicleID::Invalid()) ReleaseDisasterVehicle(v->disaster_vehicle);
	}

	if (this->Previous() == nullptr) {
		InvalidateWindowData(WC_VEHICLE_DEPOT, this->tile);
	}

	if (this->IsPrimaryVehicle()) {
		CloseWindowById(WC_VEHICLE_VIEW, this->index);
		CloseWindowById(WC_VEHICLE_ORDERS, this->index);
		CloseWindowById(WC_VEHICLE_REFIT, this->index);
		CloseWindowById(WC_VEHICLE_DETAILS, this->index);
		CloseWindowById(WC_VEHICLE_TIMETABLE, this->index);
		SetWindowDirty(WC_COMPANY, this->owner);
		OrderBackup::ClearVehicle(this);
	}