### - d -

- d : SettingEntry
- dark_water : ExtraPaletteValues
- dark_water_toyland : ExtraPaletteValues
- data : Blitter_8bppOptimized::SpriteData , LoggedChange , AllowedSubtags , GRFError , Colour , SmallSet< Tdir, items > , Sprite , SmallStackSafeStackAlloc< T, length > , SmallArray< T, B, N > , SpriteLoader::Sprite , NWidgetPartDataTip , CBinaryHeapT< T > , Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tcache, Tzero > , ByteBlob , FixedSizeArray< T, C > , SmallVector< T, S > , NetworkHTTPSocketHandler , NetworkHTTPContentConnecter
- data_tip : NWidgetPart
- date : SetDateWindow , NewsItem
- date_format_in_default_names : GUISettings
- date_of_last_service : Vehicle
- date_width : MessageHistoryWindow
- day : YearMonthDay
- day_counter : Vehicle
- days_in_transit : CargoPacket
- debugbox_dimension : NWidgetLeaf
- decode_params : ErrmsgWindow , DropDownListParamStringItem
- dedicated : NetworkGameInfo
- def : SettingDescBase
- def_value : GRFParameterInfo
- default_colour : SmallMapColourScheme
- default_company_pass : NetworkSettings
- default_compression : SaveLoadFormat
- default_height : WindowDesc
- default_pos : WindowDesc
- default_rail_type : GUISettings
- default_signal_type : GUISettings
- default_width : WindowDesc
- delay : AIStorage
- delete_ctr : BaseStation
- delta : CursorVars
- delta_x : DrawTileSeqStruct
- delta_z : AirportFTAClass
- deparr_abbr_width : TimetableWindow
- deparr_time_width : TimetableWindow
- departure : TimetableArrivalDeparture
- dependencies : ContentInfo
- dependency_count : ContentInfo
- depot : RailtypeInfo
- depot_table : AirportSpec
- depth : NetworkHTTPContentConnecter
- desc : GRFParameterInfo , NewsSubtypeData , SettingDesc
- desc_flags : Window
- description : ContentInfo , NewsTypeData , PluralForm , AIConfigItem , BaseSet< T, Tnum_files, Tsubdir >
- dest : Order
- dest_coords : NPFFindStationOrTileData
- dest_scrollpos_x : ViewportData
- dest_scrollpos_y : ViewportData
- dest_tile : Vehicle
- detailed_msg : ErrmsgWindow
- details_height : ReplaceVehicleWindow , BuildVehicleWindow
- developer : GUISettings
- diagonal : TileHighlightData
- diff_level : DifficultySettings
- difficulty : GameSettings
- digit_decimal_separator : LanguagePackHeader , LocaleSettings
- digit_group_separator : LanguagePackHeader , LocaleSettings
- digit_group_separator_currency : LocaleSettings , LanguagePackHeader
- dim_message_opt : MessageOptionsWindow
- dir : RoadStopEntryRebuilderHelper
- direction : AirportMovingData , Vehicle
- dirname : File
- dirty : TileHighlightData , CursorVars
- disable_elrails : VehicleSettings
- disable_node_optimization : YAPFSettings
- disable_unsuitable_building : GUISettings
- disallowed_lengths : StationSpec
- disallowed_platforms : StationSpec
- disasters : DifficultySettings
- disp_flags : NWidgetCore
- display : NewsTypeData
- display_time : AnimCursor
- dist_local_authority : EconomySettings
- distant_join_stations : StationSettings
- dock_tile : Station
- downloaded_bytes : NetworkContentDownloadStatusWindow
- downloaded_files : NetworkContentDownloadStatusWindow
- dparam : TileDesc
- drag_signals_density : GUISettings
- draw_size : CursorVars
- draw_tile_proc : TileTypeProcs
- drawstyle : TileHighlightData
- dst : Blitter::BlitterParams , Subsidy
- dst_industry : ResolverObject
- dst_type : Subsidy
- dummy1 : Cheats
- dummy2 : Cheats
- dummy_parameter_info : NewGRFParametersWindow
- dumper : SaveLoadParams
- duplicate_sets : BaseMedia< Tbase_set >
- duration : TextEffect , ErrmsgWindow , NewsWindow
- dynamic_engines : VehicleSettings