### - u -

- UnfocusFocusedWidget() : Window
- Uninitialize() : AI , Game
- UnmappedChoiceList() : UnmappedChoiceList
- Unpack() : VehicleListIdentifier
- Unreserve() : VehicleCargoList
- UnreserveSingleTrack() : CYapfReserveTrack< Types >
- Unselect() : ClientNetworkContentSocketHandler
- UnselectAll() : ClientNetworkContentSocketHandler
- UnselectVehicle() : VehicleGroupWindow
- Update() : Backup< T > , CargoDataEntry
- UpdateAcceleration() : Train
- UpdateAfterLoad() : GroupStatistics
- UpdateAutoRefitState() : OrdersWindow
- UpdateAutoreplace() : GroupStatistics
- UpdateCache() : Ship
- UpdateDeltaXY() : Aircraft , EffectVehicle , RoadVehicle , Ship , Train , Vehicle , DisasterVehicle
- UpdateInclination() : GroundVehicle< T, Type >
- UpdateNewGRFScanStatus() : ScanProgressWindow
- UpdateOptionWidgetStatus() : BuildRoadToolbarWindow
- UpdateOrderTimetable() : OrderList
- UpdateOskState() : OskWindow
- UpdateOverlayCargoes() : LinkGraphLegendWindow
- UpdateOverlayCompanies() : LinkGraphLegendWindow
- UpdatePalette() : CocoaSubdriver
- UpdatePosition() : ViewportSign , Scrollbar
- UpdateProfits() : GroupStatistics
- UpdateRealOrderIndex() : Vehicle
- UpdateRefittability() : GRFTempEngineData
- UpdateSelectionStates() : TimetableWindow
- UpdateSpeed() : RoadVehicle , Train
- UpdateStatistics() : BaseGraphWindow
- UpdateViewport() : SpecializedVehicle< T, Type >
- UpdateViewportCoordinates() : NWidgetViewport
- UpdateVirtCoord() : BaseStation , Sign , Station , Town , Waypoint
- UpdateVisualEffect() : Vehicle
- UpdateWidgetSize() : MusicTrackSelectionWindow , GameOptionsWindow , TooltipsWindow , AboutWindow , LandInfoWindow , RefitWindow , IndustryCargoesWindow , SetDateWindow , IndustryViewWindow , BuildIndustryWindow , VehicleGroupWindow , PerformanceRatingDetailWindow , DepotWindow , EnginePreviewWindow , BaseGraphWindow , CreateScenarioWindow , GameDifficultyWindow , GenerateProgressWindow , GoalListWindow , GoalQuestionWindow , BuildRailWaypointWindow , PaymentRatesGraphWindow , BuyCompanyWindow , CompanyWindow , CompanyInfrastructureWindow , VehicleViewWindow , SelectCompanyLiveryWindow , CompanyFinancesWindow , CheatWindow , ScenarioEditorToolbarWindow , BuildBridgeWindow , ReplaceVehicleWindow , BuildAirportWindow , GameSettingsWindow , AISettingsWindow , BuildRailStationWindow , BuildObjectWindow , CompanyLeagueWindow , SpriteAlignerWindow , TownDirectoryWindow , TownViewWindow , NetworkClientListPopupWindow , MusicWindow , QueryWindow , BuildTreesWindow , SelectGameWindow , VehicleListWindow , OrdersWindow , VehicleDetailsWindow , IndustryDirectoryWindow , NetworkClientListWindow , ScanProgressWindow , TownAuthorityWindow , NewsWindow , StationViewWindow , SelectCompanyManagerFaceWindow , Window , BuildVehicleWindow , TimetableWindow , AIConfigWindow , AIListWindow , MessageOptionsWindow , NetworkJoinStatusWindow , NewGRFParametersWindow , NewGRFInspectWindow , NetworkLobbyWindow , StatusBarWindow , MessageHistoryWindow , SubsidyListWindow , CustomCurrencyWindow , SelectStationWindow< T > , CompanyStationsWindow
- UpdateZPosition() : GroundVehicle< T, Type >
- UpdateZPositionAndInclination() : GroundVehicle< T, Type >
- Usage() : LinkStat
- UseAsRandomAI() : AIInfo
- UsePaletteAnimation() : Blitter , Blitter_32bppAnim , Blitter_32bppBase , Blitter_Null , Blitter_8bppBase
- UserIsAllowedToChangeNewGRFs() : GUISettings
- UsesSmoothEconomy() : IndustrySpec
- UseTextRefStack() : CommandCost