### - u -

- UnfocusFocusedWidget() : Window
- Uninitialize() : AI , Game
- UnmappedChoiceList() : UnmappedChoiceList
- Unpack() : VehicleListIdentifier
- UnreserveSingleTrack() : CYapfReserveTrack< Types >
- Unselect() : ClientNetworkContentSocketHandler
- UnselectAll() : ClientNetworkContentSocketHandler
- UnselectVehicle() : VehicleGroupWindow
- Update() : Backup< T >
- UpdateAfterLoad() : GroupStatistics
- UpdateAutoRefitState() : OrdersWindow
- UpdateAutoreplace() : GroupStatistics
- UpdateDeltaXY() : FINAL , Vehicle , FINAL
- UpdateInclination() : GroundVehicle< T, Type >
- UpdateNewGRFScanStatus() : ScanProgressWindow
- UpdateOptionWidgetStatus() : BuildRoadToolbarWindow
- UpdateOrderTimetable() : OrderList
- UpdateOskState() : OskWindow
- UpdatePalette() : CocoaSubdriver
- UpdatePosition() : ViewportSign , Scrollbar
- UpdateProfits() : GroupStatistics
- UpdateRealOrderIndex() : Vehicle
- UpdateSelectionStates() : TimetableWindow
- UpdateStatistics() : BaseGraphWindow
- UpdateViewport() : SpecializedVehicle< T, Type >
- UpdateViewportCoordinates() : NWidgetViewport
- UpdateVirtCoord() : BaseStation , Sign , Town
- UpdateVisualEffect() : Vehicle
- UpdateWidgetSize() : ScanProgressWindow , NewGRFParametersWindow , SpriteAlignerWindow , MessageHistoryWindow , NetworkJoinStatusWindow , NetworkClientListWindow , NetworkClientListPopupWindow , NetworkLobbyWindow , MusicWindow , MusicTrackSelectionWindow , BuildRailStationWindow , RefitWindow , AboutWindow , LandInfoWindow , SelectGameWindow , VehicleGroupWindow , BuildIndustryWindow , IndustryViewWindow , IndustryDirectoryWindow , BuildRailWaypointWindow , PerformanceRatingDetailWindow , CompanyLeagueWindow , PaymentRatesGraphWindow , BaseGraphWindow , GoalQuestionWindow , GoalListWindow , IndustryCargoesWindow , SubsidyListWindow , EnginePreviewWindow , DepotWindow , SetDateWindow , TownDirectoryWindow , CompanyWindow , CompanyInfrastructureWindow , SelectCompanyManagerFaceWindow , MessageOptionsWindow , CompanyFinancesWindow , GameDifficultyWindow , BuildVehicleWindow , OrdersWindow , ReplaceVehicleWindow , NewsWindow , AIConfigWindow , NewGRFInspectWindow , AIListWindow , VehicleDetailsWindow , TooltipsWindow , QueryWindow , VehicleListWindow , BuildObjectWindow , TimetableWindow , BuildTreesWindow , CustomCurrencyWindow , VehicleViewWindow , TownViewWindow , GenerateProgressWindow , StatusBarWindow , BuyCompanyWindow , Window , StationViewWindow , CheatWindow , BuildBridgeWindow , AISettingsWindow , BuildAirportWindow , ScenarioEditorToolbarWindow , GameOptionsWindow , TownAuthorityWindow , SelectCompanyLiveryWindow , GameSettingsWindow , CreateScenarioWindow , SelectStationWindow< T > , CompanyStationsWindow
- UpdateZPosition() : GroundVehicle< T, Type >
- UpdateZPositionAndInclination() : GroundVehicle< T, Type >
- UseAsRandomAI() : AIInfo
- UsePaletteAnimation() : Blitter_8bppBase , Blitter_32bppBase , Blitter , Blitter_Null
- UserIsAllowedToChangeNewGRFs() : GUISettings
- UsesSmoothEconomy() : IndustrySpec
- UseTextRefStack() : CommandCost