Method OnInit

src/build_vehicle_gui.cpp:1332–1341

	}

	void OnInit() override
	{
		this->badge_classes = GUIBadgeClasses(static_cast<GrfSpecFeature>(GSF_TRAINS + this->vehicle_type));
		this->SetCargoFilterArray();

		this->badge_filters = AddBadgeDropdownFilters(this, WID_BV_BADGE_FILTER, WID_BV_BADGE_FILTER, COLOUR_GREY, static_cast<GrfSpecFeature>(GSF_TRAINS + this->vehicle_type));

		this->widget_lookup.clear();
		this->nested_root->FillWidgetLookup(this->widget_lookup);
	}

	/** Filter the engine list against the currently selected cargo filter */
	void FilterEngineList()