Method GenerateBuildRoadVehList

src/build_vehicle_gui.cpp:1450–1474

Figure out what road vehicle EngineIDs to put in the list */

	/* Figure out what road vehicle EngineIDs to put in the list */
	void GenerateBuildRoadVehList()
	{
		EngineID sel_id = EngineID::Invalid();

		this->eng_list.clear();

		BadgeTextFilter btf(this->string_filter, GSF_ROADVEHICLES);
		BadgeDropdownFilter bdf(this->badge_filter_choices);

		for (const Engine *e : Engine::IterateType(VEH_ROAD)) {
			if (!this->show_hidden_engines && e->IsVariantHidden(_local_company)) continue;
			EngineID eid = e->index;
			if (!IsEngineBuildable(eid, VEH_ROAD, _local_company)) continue;
			if (this->filter.roadtype != INVALID_ROADTYPE && !HasPowerOnRoad(e->VehInfo<RoadVehicleInfo>().roadtype, this->filter.roadtype)) continue;
			if (!bdf.Filter(e->badges)) continue;

			/* Filter by name or NewGRF extra text */
			if (!FilterByText(e) && !btf.Filter(e->badges)) continue;

			this->eng_list.emplace_back(eid, e->info.variant_id, e->display_flags, 0);

			if (eid == this->sel_engine) sel_id = eid;
		}
		this->SelectEngine(sel_id);
	}

	/* Figure out what ship EngineIDs to put in the list */
	void GenerateBuildShipList()