### - u -

- UnfocusFocusedWidget() : Window
- Uninitialize() : AI
- UnmappedChoiceList() : UnmappedChoiceList
- Unpack() : VehicleListIdentifier
- UnreserveSingleTrack() : CYapfReserveTrack< Types >
- Unselect() : ClientNetworkContentSocketHandler
- UnselectAll() : ClientNetworkContentSocketHandler
- UnselectVehicle() : VehicleGroupWindow
- UnshareOrders() : AIOrder
- Update() : Backup< T >
- UpdateDeltaXY() : Vehicle , DisasterVehicle , Aircraft , EffectVehicle , RoadVehicle , Ship , Train
- UpdateInclination() : GroundVehicle< T, Type >
- UpdateOptionWidgetStatus() : BuildRoadToolbarWindow
- UpdateOrderTimetable() : OrderList
- UpdateOskState() : OskWindow
- UpdatePosition() : ViewportSign , Scrollbar
- UpdateRealOrderIndex() : Vehicle
- UpdateSelectionStates() : TimetableWindow
- UpdateSpeed() : RoadVehicle , Train
- UpdateStatistics() : BaseGraphWindow
- UpdateViewport() : SpecializedVehicle< T, Type >
- UpdateViewportCoordinates() : NWidgetViewport
- UpdateVirtCoord() : Sign , Station , Town , Waypoint , BaseStation
- UpdateVisualEffect() : Vehicle
- UpdateWidgetSize() : MessageOptionsWindow , MessageHistoryWindow , BuildObjectWindow , NewGRFWindow , NewGRFParametersWindow , SpriteAlignerWindow , NewGRFInspectWindow , NetworkJoinStatusWindow , NetworkClientListWindow , NetworkClientListPopupWindow , BuildRailStationWindow , NetworkStartServerWindow , NetworkGameWindow , NetworkContentListWindow , GameOptionsWindow , MusicWindow , MusicTrackSelectionWindow , QueryWindow , TownDirectoryWindow , TooltipsWindow , IndustryViewWindow , IndustryDirectoryWindow , IndustryCargoesWindow , SelectGameWindow , LandInfoWindow , AboutWindow , ErrmsgWindow , BuildIndustryWindow , VehicleGroupWindow , PerformanceRatingDetailWindow , BuildRailWaypointWindow , PaymentRatesGraphWindow , BaseGraphWindow , GenerateProgressWindow , VehicleListWindow , GenerateLandscapeWindow , SaveLoadWindow , EnginePreviewWindow , SubsidyListWindow , SetDateWindow , BuyCompanyWindow , CompanyWindow , GameDifficultyWindow , SelectCompanyLiveryWindow , CompanyFinancesWindow , CheatWindow , NewsWindow , BuildBridgeWindow , ReplaceVehicleWindow , BuildAirportWindow , NetworkLobbyWindow , AIConfigWindow , NetworkChatWindow , VehicleViewWindow , QueryStringWindow , AIListWindow , AISettingsWindow , TimetableWindow , TownViewWindow , SignListWindow , CompanyLeagueWindow , RefitWindow , CreateScenarioWindow , StatusBarWindow , DepotWindow , VehicleDetailsWindow , SelectCompanyManagerFaceWindow , TownAuthorityWindow , BuildVehicleWindow , AIDebugWindow , Window , ScenarioEditorToolbarWindow , OrdersWindow , StationViewWindow , BuildTreesWindow , CustomCurrencyWindow , CompanyStationsWindow , SelectStationWindow< T > , GameSettingsWindow
- UpdateZPosition() : GroundVehicle< T, Type >
- UpdateZPositionAndInclination() : GroundVehicle< T, Type >
- UseAsRandomAI() : AIInfo
- UsePaletteAnimation() : Blitter_Null , Blitter , Blitter_32bppBase , Blitter_32bppAnim , Blitter_8bppBase
- UserIsAllowedToChangeNewGRFs() : GUISettings
- UsesSmoothEconomy() : IndustrySpec