Here is a list of all documented functions with links to the struct/union documentation for each field:

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• Object() : Object
• ObjectResolverObject() : ObjectResolverObject
• ObjectScopeResolver() : ObjectScopeResolver
• ObjectToBool() : Squirrel
• ObjectToInteger() : Squirrel
• ObjectToString() : Squirrel
• Oldver() : Gamelog
• OnCleanPool() : CargoList< Tinst, Tcont >
• OnClick() : AIConfigWindow, BaseGraphWindow, BootstrapAskForDownloadWindow, BootstrapErrorWindow, BuildAirportWindow, BuildAirToolbarWindow, BuildBridgeWindow, BuildDocksDepotWindow, BuildDocksStationWindow, BuildDocksToolbarWindow, BuildHouseWindow, BuildIndustryWindow, BuildObjectWindow, BuildRailDepotWindow, BuildRailStationWindow, BuildRailToolbarWindow, BuildRoadDepotWindow, BuildRoadStationWindow, BuildRoadToolbarWindow, BuildSignalWindow, BuildTreesWindow, BuildVehicleWindow, Button< T >, ButtonCommon, BuyCompanyWindow, CheatWindow, CompanyFinancesWindow, CompanyStationsWindow, CompanyWindow, CreateScenarioWindow, CustomCurrencyWindow, DepotWindow, DropdownWindow, EndGameHighScoreBaseWindow, EnginePreviewWindow, ExtraViewportWindow, FoundTownWindow, FramerateWindow, GameOptionsWindow, GameSettingsWindow, GenerateLandscapeWindow, GenerateProgressWindow, GoalListWindow, GoalQuestionWindow, GraphLegendWindow, GSConfigWindow, HelpWindow, IndustryCargoesWindow, IndustryDirectoryWindow, IndustryProductionGraphWindow, IndustryViewWindow, LandInfoWindow, LinkGraphLegendWindow, MainToolbarWindow, MessageHistoryWindow, MusicTrackSelectionWindow, MusicWindow, NetworkAskRelayWindow, NetworkAskSurveyWindow, NetworkChatWindow, NetworkClientListWindow, NetworkContentDownloadStatusWindow, NetworkContentListWindow, NetworkGameWindow, NetworkJoinStatusWindow, NetworkStartServerWindow, NewGRFInspectWindow, NewGRFParametersWindow, NewGRFWindow, NewsWindow, OrdersWindow, OskWindow, PaymentRatesGraphWindow, PerformanceHistoryGraphWindow, PerformanceRatingDetailWindow, PickerWindow, QueryStringWindow, QueryWindow, RefitWindow, ReplaceVehicleWindow, SaveLoadWindow, SavePresetWindow, ScenarioEditorLandscapeGenerationWindow, ScenarioEditorToolbarWindow, ScreenshotWindow, ScriptDebugWindow, ScriptLeagueWindow, ScriptListWindow, ScriptSettingsWindow, SelectCompanyLiveryWindow, SelectCompanyManagerFaceWindow, SelectGameWindow, SelectStationWindow< T >, SetDateWindow, SignListWindow, SignWindow, SmallMapWindow, SpriteAlignerWindow, StationViewWindow, StatusBarWindow, StoryBookWindow, SubsidyListWindow, TerraformToolbarWindow, TextfileWindow, TimetableWindow, TownAuthorityWindow, TownDirectoryWindow, TownViewWindow, TransparenciesWindow, VehicleDetailsWindow, VehicleGroupWindow, VehicleListWindow, VehicleViewWindow, WaypointWindow, Window
• OnClickClientAdmin() : NetworkClientListWindow
• OnClickClientChat() : NetworkClientListWindow
• OnClickCompanyAdmin() : NetworkClientListWindow
• OnClickCompanyChat() : NetworkClientListWindow
• OnClickCompanyJoin() : NetworkClientListWindow
• OnClickCompanyNew() : NetworkClientListWindow
• OnConnect() : BootstrapAskForDownloadWindow, ClientNetworkContentSocketHandler, ConsoleContentCallback, ContentCallback, NetworkContentConnecter, NetworkContentListWindow, NetworkCoordinatorConnecter, NetworkDirectConnecter, NetworkReuseStunConnecter, NetworkStunConnecter, NetworkTurnConnecter, TCPClientConnecter, TCPConnecter, TCPQueryConnecter
• OnCTRLStateChange() : BuildRailToolbarWindow, BuildRoadToolbarWindow, DepotWindow, Window
• OnDisconnect() : ClientNetworkContentSocketHandler, ConsoleContentCallback, ContentCallback
• OnDownloadComplete() : BootstrapContentDownloadStatusWindow, ClientNetworkContentSocketHandler, ConsoleContentCallback, ContentCallback, NetworkContentListWindow
• OnDownloadProgress() : BaseNetworkContentDownloadStatusWindow, ClientNetworkContentSocketHandler, ContentCallback, NetworkContentDownloadStatusWindow
• OnDragDrop() : DepotWindow, NewGRFWindow, OrdersWindow, RefitWindow, VehicleGroupWindow, Window
• OnDropdownClose() : GameSettingsWindow, GSConfigWindow, NetworkClientListWindow, NewGRFParametersWindow, ScriptSettingsWindow, Window
• OnDropdownSelect() : BuildAirportWindow, BuildBridgeWindow, BuildVehicleWindow, CompanyStationsWindow, CreateScenarioWindow, GameOptionsWindow, GameSettingsWindow, GenerateLandscapeWindow, GSConfigWindow, IndustryCargoesWindow, IndustryDirectoryWindow, MainToolbarWindow, MusicTrackSelectionWindow, NetworkClientListWindow, NetworkStartServerWindow, NewGRFParametersWindow, NewGRFWindow, OrdersWindow, ReplaceVehicleWindow, ScenarioEditorToolbarWindow, ScriptSettingsWindow, SelectCompanyLiveryWindow, SetDateWindow, StationViewWindow, StoryBookWindow, TextfileWindow, TownDirectoryWindow, VehicleDetailsWindow, VehicleGroupWindow, VehicleListWindow, Window
• OnEditboxChanged() : BuildVehicleWindow, GameSettingsWindow, IndustryDirectoryWindow, NetworkChatWindow, NetworkContentListWindow, NetworkGameWindow, NewGRFWindow, OskWindow, PickerWindow, SaveLoadWindow, ScriptDebugWindow, SignListWindow, TownDirectoryWindow, Window
• OneTileCost() : CYapfCostRailT< Types >, CYapfCostRoadT< Types >
• OnFailure() : ClientNetworkContentSocketHandler, HTTPCallback, HTTPThreadSafeCallback, NetworkContentConnecter, NetworkCoordinatorConnecter, NetworkDirectConnecter, NetworkReuseStunConnecter, NetworkStunConnecter, NetworkSurveyHandler, NetworkTurnConnecter, TCPClientConnecter, TCPConnecter, TCPQueryConnecter
• OnFocus() : IConsoleWindow, Window
• OnFocusLost() : DropdownWindow, IConsoleWindow, OskWindow, Window
• OnGameTick() : BaseGraphWindow, CompanyStationsWindow, PaymentRatesGraphWindow, PerformanceLeagueWindow, PerformanceRatingDetailWindow, VehicleGroupWindow, VehicleListWindow, Window
• OnHotkey() : BuildRailToolbarWindow, BuildRoadToolbarWindow, BuildVehicleWindow, IndustryDirectoryWindow, MainToolbarWindow, MainWindow, OrdersWindow, PickerWindow, ScenarioEditorToolbarWindow, SignListWindow, TownDirectoryWindow, VehicleViewWindow, Window
• OnHover() : Window
• OnHyperlinkClick() : TextfileWindow
• OnInit() : BaseVehicleListWindow, BuildHouseWindow, BuildIndustryWindow, BuildObjectWindow, BuildRailStationWindow, BuildRailToolbarWindow, BuildRoadToolbarWindow, BuildSignalWindow, BuildVehicleWindow, CheatWindow, DepotWindow, FoundTownWindow, GameSettingsWindow, IConsoleWindow, IndustryCargoesWindow, IndustryDirectoryWindow, IndustryProductionGraphWindow, IndustryViewWindow, LandInfoWindow, NetworkClientListWindow, NetworkContentListWindow, NetworkGameWindow, PaymentRatesGraphWindow, PickerWindow, RefitWindow, ReplaceVehicleWindow, ScriptDebugWindow, SelectCompanyManagerFaceWindow, SelectGameWindow, SignListWindow, SmallMapWindow, SubsidyListWindow, TerraformToolbarWindow, TownAuthorityWindow, Window
• OnInitialPosition() : BuildBridgeWindow, DropdownWindow, ErrmsgWindow, NetworkChatWindow, NewsWindow, SetDateWindow, StatusBarWindow, TerraformToolbarWindow, TooltipsWindow, TransparenciesWindow, Window
• OnInvalidateData() : AIConfigWindow, BaseGraphWindow, BuildAirToolbarWindow, BuildDocksToolbarWindow, BuildHouseWindow, BuildIndustryWindow, BuildObjectWindow, BuildRailStationWindow, BuildRailToolbarWindow, BuildRoadStationWindow, BuildRoadToolbarWindow, BuildSignalWindow, BuildVehicleWindow, CompanyFinancesWindow, CompanyInfrastructureWindow, CompanyStationsWindow, CompanyWindow, DepotWindow, EnginePreviewWindow, ErrmsgWindow, ExtraViewportWindow, FoundTownWindow, GameOptionsWindow, GameSettingsWindow, GenerateLandscapeWindow, GoalListWindow, GraphLegendWindow, GSConfigWindow, IndustryCargoesWindow, IndustryDirectoryWindow, IndustryViewWindow, LandInfoWindow, LinkGraphLegendWindow, MainToolbarWindow, MainWindow, MessageHistoryWindow, MusicTrackSelectionWindow, MusicWindow, NetworkChatWindow, NetworkClientListWindow, NetworkContentListWindow, NetworkGameWindow, NewGRFInspectWindow, NewGRFParametersWindow, NewGRFWindow, NewsWindow, OrdersWindow, OskWindow, PaymentRatesGraphWindow, PerformanceLeagueWindow, PerformanceRatingDetailWindow, PickerWindow, RefitWindow, ReplaceVehicleWindow, SaveLoadWindow, ScenarioEditorToolbarWindow, ScriptDebugWindow, ScriptLeagueWindow, ScriptListWindow, ScriptSettingsWindow, ScriptTextfileWindow, SelectCompanyLiveryWindow, SelectGameWindow, SelectStationWindow< T >, SignListWindow, SmallMapWindow, SpriteAlignerWindow, StationViewWindow, StatusBarWindow, StoryBookWindow, SubsidyListWindow, TextfileWindow, TimetableWindow, TownAuthorityWindow, TownDirectoryWindow, TownViewWindow, TransparenciesWindow, VehicleDetailsWindow, VehicleGroupWindow, VehicleListWindow, VehicleViewWindow, WaypointWindow, Window
• OnKeyPress() : BuildBridgeWindow, EndGameHighScoreBaseWindow, IConsoleWindow, NetworkChatWindow, NetworkContentListWindow, NetworkGameWindow, NewGRFWindow, QueryWindow, SaveLoadWindow, Window
• OnMouseDrag() : DepotWindow, NewGRFWindow, OrdersWindow, RefitWindow, VehicleGroupWindow, Window
• OnMouseLoop() : DepotWindow, DropdownWindow, ErrmsgWindow, GameOptionsWindow, IConsoleWindow, TooltipsWindow, VehicleGroupWindow, VehicleListWindow, Window
• OnMouseOver() : NetworkClientListWindow, SaveLoadWindow, SelectStationWindow< T >, SmallMapWindow, VehicleViewWindow, Window
• OnMouseWheel() : ExtraViewportWindow, IConsoleWindow, IndustryViewWindow, MainWindow, SmallMapWindow, TownViewWindow, VehicleViewWindow, Window
• OnNewCalendarDay() : Aircraft, RoadVehicle, Ship, Train, Vehicle
• OnNewEconomyDay() : Aircraft, RoadVehicle, Ship, Train, Vehicle
• OnNewGRFsScanned() : AfterNewGRFScan, NewGRFScanCallback, NewGRFWindow
• OnPageElementClick() : StoryBookWindow
• OnPaint() : BuildAirportWindow, BuildDocksStationWindow, BuildRailStationWindow, BuildRoadStationWindow, BuildVehicleWindow, CompanyFinancesWindow, CompanyStationsWindow, CompanyWindow, CreateScenarioWindow, DepotWindow, EndGameWindow, GameSettingsWindow, GoalListWindow, GSConfigWindow, HighScoreWindow, IConsoleWindow, IndustryDirectoryWindow, IndustryViewWindow, MainToolbarWindow, MainWindow, NetworkContentListWindow, NetworkGameWindow, NewGRFParametersWindow, OrdersWindow, PerformanceLeagueWindow, RefitWindow, ReplaceVehicleWindow, SaveLoadWindow, ScenarioEditorLandscapeGenerationWindow, ScenarioEditorToolbarWindow, ScreenshotWindow, ScriptDebugWindow, ScriptLeagueWindow, ScriptSettingsWindow, SelectCompanyLiveryWindow, SelectCompanyManagerFaceWindow, SignListWindow, SmallMapWindow, StationViewWindow, StoryBookWindow, TimetableWindow, TownAuthorityWindow, TownDirectoryWindow, TownViewWindow, TransparenciesWindow, VehicleDetailsWindow, VehicleGroupWindow, VehicleListWindow, VehicleViewWindow, WaypointWindow, Window
• OnPlaceDrag() : BuildAirToolbarWindow, BuildDocksToolbarWindow, BuildObjectWindow, BuildRailToolbarWindow, BuildRoadToolbarWindow, BuildTreesWindow, ScenarioEditorLandscapeGenerationWindow, TerraformToolbarWindow, Window
• OnPlaceMouseUp() : BuildAirToolbarWindow, BuildDocksToolbarWindow, BuildObjectWindow, BuildRailToolbarWindow, BuildRoadToolbarWindow, BuildTreesWindow, ScenarioEditorLandscapeGenerationWindow, TerraformToolbarWindow, Window
• OnPlaceObject() : BuildAirToolbarWindow, BuildDocksToolbarWindow, BuildHouseWindow, BuildIndustryWindow, BuildObjectWindow, BuildRailToolbarWindow, BuildRoadToolbarWindow, BuildTreesWindow, CompanyWindow, FoundTownWindow, MainToolbarWindow, OrdersWindow, ScenarioEditorLandscapeGenerationWindow, ScenarioEditorToolbarWindow, StoryBookWindow, TerraformToolbarWindow, Window
• OnPlaceObjectAbort() : BuildAirToolbarWindow, BuildDocksToolbarWindow, BuildIndustryWindow, BuildObjectWindow, BuildRailToolbarWindow, BuildRoadToolbarWindow, BuildTreesWindow, CompanyWindow, DepotWindow, FoundTownWindow, MainToolbarWindow, OrdersWindow, ScenarioEditorLandscapeGenerationWindow, ScenarioEditorToolbarWindow, StoryBookWindow, TerraformToolbarWindow, VehicleGroupWindow, Window
• OnPlacePresize() : BuildDocksToolbarWindow, BuildRailToolbarWindow, BuildRoadToolbarWindow, Window
• OnQueryTextFinished() : BuildVehicleWindow, CheatWindow, CompanyWindow, CreateScenarioWindow, CustomCurrencyWindow, DepotWindow, GameSettingsWindow, GenerateLandscapeWindow, GSConfigWindow, IndustryViewWindow, NetworkClientListWindow, NetworkGameWindow, NetworkJoinStatusWindow, NetworkStartServerWindow, NewGRFInspectWindow, NewGRFParametersWindow, NewGRFWindow, OrdersWindow, ScenarioEditorToolbarWindow, ScriptSettingsWindow, SelectCompanyManagerFaceWindow, SpriteAlignerWindow, StationViewWindow, TimetableWindow, TownViewWindow, VehicleGroupWindow, VehicleViewWindow, WaypointWindow, Window
• OnRailRoadTypeChange() : ReplaceVehicleWindow
• OnRealtimeTick() : BuildAirportWindow, BuildDocksStationWindow, BuildRailStationWindow, BuildRailToolbarWindow, BuildRoadStationWindow, BuildRoadToolbarWindow, FrametimeGraphWindow, NewsWindow, SelectGameWindow, SelectStationWindow< T >, Window
• OnReceiveContentInfo() : BootstrapAskForDownloadWindow, ClientNetworkContentSocketHandler, ContentCallback, NetworkContentListWindow
• OnReceiveData() : ClientNetworkContentSocketHandler, HTTPCallback, HTTPThreadSafeCallback, NetworkSurveyHandler
• OnResize() : BuildBridgeWindow, BuildIndustryWindow, BuildVehicleWindow, CompanyStationsWindow, CompanyWindow, DepotWindow, ExtraViewportWindow, FramerateWindow, GameOptionsWindow, GameSettingsWindow, GoalListWindow, GSConfigWindow, IndustryCargoesWindow, IndustryDirectoryWindow, IndustryProductionGraphWindow, IndustryViewWindow, MainWindow, MessageHistoryWindow, NetworkClientListWindow, NetworkContentListWindow, NetworkGameWindow, NewGRFInspectWindow, NewGRFParametersWindow, NewGRFWindow, NewsWindow, OrdersWindow, PaymentRatesGraphWindow, PickerWindow, RefitWindow, ReplaceVehicleWindow, SaveLoadWindow, SavePresetWindow, ScriptDebugWindow, ScriptListWindow, ScriptSettingsWindow, SelectCompanyLiveryWindow, SelectGameWindow, SelectStationWindow< T >, SignListWindow, SpriteAlignerWindow, StationViewWindow, StoryBookWindow, SubsidyListWindow, TextfileWindow, TimetableWindow, TownDirectoryWindow, TownViewWindow, VehicleDetailsWindow, VehicleGroupWindow, VehicleListWindow, VehicleViewWindow, WaypointWindow, Window
• OnResolved() : TCPConnecter
• OnRightClick() : DepotWindow, ExtraViewportWindow, SmallMapWindow, Window
• OnScroll() : ExtraViewportWindow, MainWindow, SmallMapWindow, Window
• OnTimeout() : BuildIndustryWindow, CheatWindow, CreateScenarioWindow, CustomCurrencyWindow, DepotWindow, GameSettingsWindow, GenerateLandscapeWindow, IndustryViewWindow, MainToolbarWindow, NetworkStartServerWindow, SaveLoadWindow, ScenarioEditorLandscapeGenerationWindow, ScenarioEditorToolbarWindow, StoryBookWindow, Window
• OnTooltip() : BuildRailToolbarWindow, CheatWindow, IndustryCargoesWindow, LinkGraphLegendWindow, MainWindow, NetworkClientListWindow, ReplaceVehicleWindow, TextfileWindow, VehicleDetailsWindow, Window
• OnVehicleSelect() : DepotWindow, OrdersWindow, Window
• Open() : FileHandle
• OpenCount() : NodeList< Titem, Thash_bits_open, Thash_bits_closed >
• OpenExternalSearch() : NetworkContentListWindow
• OpenFile() : IniFile, IniLoadFile, SettingsIniFile
• OpenGLBackend() : OpenGLBackend
• OpenGLSprite() : OpenGLSprite
• OpenLibrary() : LibraryLoader
• OpenListAdd() : AyStar
• operator delete() : Pool< Titem, Tindex, Tgrowth_step, Tpool_type, Tcache >::PoolItem< Tpool >
• operator new() : Pool< Titem, Tindex, Tgrowth_step, Tpool_type, Tcache >::PoolItem< Tpool >
• operator new[]() : Window
• operator TileIndex() : Tile, TileIterator
• operator uint() : Tile
• operator()() : CapacityAnnotation::Comparator, CargoDelivery, CargoLoad, CargoRemoval< Tsource >, CargoReservation, CargoReturn, CargoShift, CargoTransfer, DistanceAnnotation::Comparator, FinalizeRefitAction, IsEmptyAction, Layouter::LineCacheCompare, PrepareRefitAction, ReturnCargoAction, StationCargoReroute, VehicleCargoReroute
• operator*() : MultiMapIterator< Tmap_iter, Tlist_iter, Tkey, Tvalue, Tcompare >, TileIterator
• operator*=() : OverflowSafeInt< T >
• operator++() : AirportTileIterator, AirportTileTableIterator, BitmapTileIterator, DiagonalTileIterator, MultiMapIterator< Tmap_iter, Tlist_iter, Tkey, Tvalue, Tcompare >, OrthogonalTileIterator, TileIterator
• operator+=() : OverflowSafeInt< T >, StringBuilder
• operator--() : MultiMapIterator< Tmap_iter, Tlist_iter, Tkey, Tvalue, Tcompare >
• operator-=() : OverflowSafeInt< T >
• operator->() : MultiMapIterator< Tmap_iter, Tlist_iter, Tkey, Tvalue, Tcompare >
• operator<() : FiosItem, LinkGraph::BaseEdge, LinkRefresher::Hop
• operator<=>() : NetworkAddress
• operator=() : MultiMapIterator< Tmap_iter, Tlist_iter, Tkey, Tvalue, Tcompare >, SmallStack< Titem, Tindex, Tinvalid, Tgrowth_step, Tmax_size >, StringBuilder
• operator==() : CargoSummaryItem, MultiMapIterator< Tmap_iter, Tlist_iter, Tkey, Tvalue, Tcompare >, NetworkAddress, RefitOption, TileIterator
• operator[]() : LinkGraph, LinkGraphJob::NodeAnnotation, LinkGraphJob, StringBuilder
• OrderBackup() : OrderBackup
• OrderClick_Delete() : OrdersWindow
• OrderClick_FullLoad() : OrdersWindow
• OrderClick_Goto() : OrdersWindow
• OrderClick_NearestDepot() : OrdersWindow
• OrderClick_Nonstop() : OrdersWindow
• OrderClick_Refit() : OrdersWindow
• OrderClick_Service() : OrdersWindow
• OrderClick_Skip() : OrdersWindow
• OrderClick_StopSharing() : OrdersWindow
• OrderClick_Unload() : OrdersWindow
• OrderGetSel() : OrdersWindow
• OrderList() : OrderList
• Orders() : Vehicle
• OrthogonalTileArea() : OrthogonalTileArea
• OrthogonalTileIterator() : OrthogonalTileIterator
• Overflowed() : SmallSet< Tdir, items >
• OverrideManagerBase() : OverrideManagerBase
• OwnerDeityFilter() : SignList
• OwnerVisibilityFilter() : SignList