### - d -

- DeallocateSpecFromStation() : newgrf_station.cpp , newgrf_station.h
- DecHouseProcessingTime() : town_map.h
- DecIndustryTypeCount() : industry.h
- DECLARE_ENUM_AS_BIT_SET() : player_face.h
- DECLARE_POSTFIX_INCREMENT() : direction_type.h , newgrf_station.h , rail_type.h , track_type.h , direction_type.h
- DecloneOrder() : order_cmd.cpp
- DecreaseBuildingCount() : newgrf_house.cpp , newgrf_house.h
- decreaseIndex() : news_gui.cpp
- DedicatedFork() : dedicated.cpp
- delete_Hash() : queue.cpp , queue.h
- DeleteAllNonVitalWindows() : window.cpp , window_func.h , window_gui.h
- DeleteAnimatedTile() : functions.h , texteff.cpp
- DeleteDepotHighlightOfVehicle() : depot.h , depot_gui.cpp
- DeleteLastWagon() : train_cmd.cpp
- DeleteOrderWarnings() : order_cmd.cpp
- DeletePlayerWindows() : player_gui.h , window.cpp , window_gui.h
- DeleteStationIfEmpty() : station_cmd.cpp
- DeleteTextBufferAll() : misc_gui.cpp , textbuf_gui.h
- DeleteTextBufferChar() : misc_gui.cpp , textbuf_gui.h
- DeleteVehicleChain() : vehicle.cpp
- DeleteVehicleNews() : news.h , news_gui.cpp
- DeleteVehicleOrders() : order.h , order_cmd.cpp
- DeliverGoodsToIndustry() : economy.cpp
- Delta() : math_func.hpp
- DestroyCompanyHQ() : unmovable_cmd.cpp
- DetermineBasePaths() : fileio.cpp
- DeterminePalette() : gfxinit.cpp
- DeterminePaths() : fileio.cpp , fileio.h
- DiagdirReachesTrackdirs() : track_func.h
- DiagdirReachesTracks() : track_func.h
- DiagDirToAxis() : direction_func.h
- DiagdirToDiagTrackdir() : track_func.h
- DiagDirToDir() : direction_func.h
- DiagDirToRoadBits() : road_func.h
- DirDifference() : direction_func.h
- DirToDiagDir() : direction_func.h
- DisableStaticNewGRFInfluencingNonStaticNewGRFs() : newgrf.cpp
- Disaster_CoalMine_Init() : disaster_cmd.cpp
- Disaster_Helicopter_Init() : disaster_cmd.cpp
- Disaster_Small_Ufo_Init() : disaster_cmd.cpp
- Disaster_Zeppeliner_Init() : disaster_cmd.cpp
- DisasterTick_Airplane() : disaster_cmd.cpp
- DisasterTick_Big_Ufo() : disaster_cmd.cpp
- DisasterTick_Big_Ufo_Destroyer() : disaster_cmd.cpp
- DisasterTick_Helicopter() : disaster_cmd.cpp
- DisasterTick_Helicopter_Rotors() : disaster_cmd.cpp
- DisasterTick_Submarine() : disaster_cmd.cpp
- DisasterTick_Ufo() : disaster_cmd.cpp
- DisasterTick_Zeppeliner() : disaster_cmd.cpp
- DispatchMouseWheelEvent() : window.cpp
- DistanceFromEdge() : map.cpp , map_func.h
- DistanceManhattan() : map.cpp , map_func.h
- DistanceMax() : map.cpp , map_func.h
- DistanceMaxPlusManhattan() : map.cpp , map_func.h
- DistanceSquare() : map.cpp , map_func.h
- DoAutosave() : openttd.cpp
- DoBuildShiplift() : water_cmd.cpp
- DoCommand() : command.cpp , command_func.h
- DoCommandP() : command.cpp , command_func.h
- DoCreateTown() : town_cmd.cpp
- DoDrawString() : gfx.cpp , gfx_func.h
- DoDryUp() : water_cmd.cpp
- DoExitSave() : saveload.h , saveload.cpp
- DoFloodTile() : water_cmd.cpp
- DoPlaceMoreTrees() : tree_cmd.cpp
- DoSelectPlayerFace() : player_gui.cpp
- DoStartupNewPlayer() : openttd.cpp , players.cpp
- DrawAircraftDetails() : aircraft_gui.cpp , vehicle_gui.cpp
- DrawArrowButtons() : gui.h , settings_gui.cpp
- DrawAutorailSelection() : viewport.cpp
- DrawBox() : gfx_func.h , gfx.cpp
- DrawBridgePillars() : tunnelbridge_cmd.cpp
- DrawBridgeTramBits() : tunnelbridge_cmd.cpp
- DrawCanalWater() : water_cmd.cpp
- DrawCargoIcons() : station_gui.cpp
- DrawCatenary() : elrail.cpp , rail.h
- DrawCatenaryOnTunnel() : elrail.cpp , rail.h
- DrawCatenaryRailway() : elrail.cpp
- DrawChatMessage() : gfx_func.h , texteff.cpp
- DrawCompanyOwnerText() : player_gui.cpp
- DrawDirtyBlocks() : gfx_func.h , gfx.cpp
- DrawEngineList() : autoreplace_gui.cpp , build_vehicle_gui.cpp
- DrawFaceStringLabel() : player_gui.cpp , player_face.h
- DrawGraph() : graph_gui.cpp
- DrawGroundSprite() : viewport.cpp , viewport_func.h
- DrawGroundSpriteAt() : viewport_func.h , viewport.cpp
- DrawNewsString() : news_gui.cpp
- DrawPlayerFace() : player_face.h , player_gui.cpp
- DrawPlayerVehiclesAmount() : player_gui.cpp
- DrawRoadBits() : road_cmd.cpp
- DrawRoadDetail() : road_cmd.cpp
- DrawSeaWater() : water_cmd.cpp
- DrawSelectionSprite() : viewport.cpp
- DrawShipDetails() : vehicle_gui.cpp , ship_gui.cpp
- DrawSignalSprite() : rail_gui.cpp
- DrawSmallMap() : smallmap_gui.cpp
- DrawSmallMapStuff() : smallmap_gui.cpp
- DrawSortButtonState() : widget.cpp , window_gui.h
- DrawStationTile() : newgrf_station.cpp , newgrf_station.h
- DrawStationViewWindow() : station_gui.cpp
- DrawStringMultiCenter() : gfx_func.h , gfx.cpp
- DrawTile_Town() : town_cmd.cpp
- DrawTile_TunnelBridge() : tunnelbridge_cmd.cpp
- DrawTileSelection() : viewport.cpp
- DrawTileSelectionRect() : viewport.cpp
- DrawTrackBits() : rail_cmd.cpp
- DrawTrackFence_NS_1() : rail_cmd.cpp
- DrawTrackFence_NS_2() : rail_cmd.cpp
- DrawTrackFence_WE_1() : rail_cmd.cpp
- DrawTrackFence_WE_2() : rail_cmd.cpp
- DrawTramCatenary() : road_internal.h , road_cmd.cpp
- DrawVehicleDetails() : vehicle_gui.cpp
- DrawVehicleDetailsWindow() : vehicle_gui.cpp
- DrawVehicleInDepot() : depot_gui.cpp
- DrawVehicleProfitButton() : vehicle_gui.cpp , vehicle_gui.h
- DrawVehiclePurchaseInfo() : vehicle_gui.h , build_vehicle_gui.cpp
- DrawVehicleRefitWindow() : vehicle_gui.cpp
- DrawVehicleViewWindow() : vehicle_gui.cpp
- DrawWaypointSprite() : waypoint.cpp , waypoint.h