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