1. Epic GamesDeveloper
  3. UUnrealEdEngine

UUnrealEdEngine

API > API/Editor > API/Editor/UnrealEd

   
Name UUnrealEdEngine
Type class
Header File /Engine/Source/Editor/UnrealEd/Classes/Editor/UnrealEdEngine.h
Include Path #include "Editor/UnrealEdEngine.h"

Syntax

UCLASS (Config=Engine, Transient, MinimalAPI)  
class UUnrealEdEngine :  
    public UEditorEngine ,  
    public FNotifyHook

Inheritance Hierarchy

Derived Classes

Destructors

Name Remarks Include Path Unreal Specifiers

~UUnrealEdEngine()

   Editor/UnrealEdEngine.h  

Structs

Name Remarks
FComponentVisualizerForSelection The list of visualizers to draw when selection changes

Typedefs

Name Type Remarks Include Path
FGetTemplateMapInfos TBaseDelegate_NoParams< const TArray< FTemplateMapInfo > & > Delegate to override TemplateMapInfos Editor/UnrealEdEngine.h
FOnPasteActorsBegin TMulticastDelegate_NoParams< void > Delegate called when UUnrealEdEngine::PasteActors starts executing Editor/UnrealEdEngine.h
FOnPasteActorsEnd TMulticastDelegate_OneParam< void, const TArray< AActor * > & > Delegate called when UUnrealEdEngine::PasteActors is done executing Editor/UnrealEdEngine.h

Variables

Public

Name Type Remarks Include Path Unreal Specifiers
AnimationCompressionAlgorithms TArray< TObjectPtr< class UAnimCompress > > Global list of instanced animation compression algorithms. Editor/UnrealEdEngine.h  
AutoReimportManager TObjectPtr< class UAutoReimportManager > Manager responsible for configuring auto reimport Editor/UnrealEdEngine.h  
bNeedWarningForPkgEngineVer uint32 Whether the user needs to be prompted about a package being saved with an engine version newer than the current one or not Editor/UnrealEdEngine.h  
bShowPackageNotification uint32 Whether there is a pending package notification Editor/UnrealEdEngine.h  
ClassesToIgnoreDeleteReferenceWarning TArray< TObjectPtr< UClass > > When deleting actors, these types should not generate warnings when references will be broken (this should only be types that don't affect gameplay) Editor/UnrealEdEngine.h  
ComponentVisManager FComponentVisualizerManager Manages currently active visualizer and routes interactions to it Editor/UnrealEdEngine.h  
ComponentVisualizerMap TMap< FName, TSharedPtr< class FComponentVisualizer > > Map from component class to visualizer object to use Editor/UnrealEdEngine.h  
CookServer TObjectPtr< class UCookOnTheFlyServer > Cooker server incase we want to cook on the side while editing... Editor/UnrealEdEngine.h  
CurrentLODParentActor TObjectPtr< class AActor > Current target for LOD parenting operations (actors will use this as the replacement) Editor/UnrealEdEngine.h  
EditorOptionsInst TObjectPtr< class UUnrealEdOptions > Global instance of the editor options class. Editor/UnrealEdEngine.h  
MaterialCopyPasteBuffer TObjectPtr< class UMaterial > A buffer for implementing material expression copy/paste. Editor/UnrealEdEngine.h  
PackagesDirtiedThisTick TArray< TWeakObjectPtr< UPackage > > A list of packages dirtied this tick Editor/UnrealEdEngine.h  
PackagesToBeFullyLoadedAtStartup TArray< FString > Array of packages to be fully loaded at Editor startup. Editor/UnrealEdEngine.h
  • Config
PackageToNotifyState TMap< TWeakObjectPtr< UPackage >, uint8 > A mapping of packages to their checkout notify state. Editor/UnrealEdEngine.h  
SoundCueCopyPasteBuffer TObjectPtr< class USoundCue > A buffer for implementing sound cue nodes copy/paste. Editor/UnrealEdEngine.h  
SpriteIDToIndexMap TMap< FName, int32 > Mapping of sprite category ids to their matching indices in the sorted sprite categories array Editor/UnrealEdEngine.h  
TemplateMapInfos TArray< FTemplateMapInfo > List of info for all known template maps Editor/UnrealEdEngine.h
  • Config

Protected

Name Type Remarks Include Path Unreal Specifiers
bRequiresStallDetectorShutdown bool Keep track of need to stop stall detector thread Editor/UnrealEdEngine.h  
ExternalCookOnTheFlyServer FExternalCookOnTheFlyServer * Proxy for a cotf server running in a separate process Editor/UnrealEdEngine.h  
GetTemplateMapInfosDelegate FGetTemplateMapInfos Delegate to override TemplateMapInfos Editor/UnrealEdEngine.h  
MountPointCheckedForWritePermission TMap< FName, bool > Map to track which mount point has write permissions. Editor/UnrealEdEngine.h  
OnPasteActorsBeginDelegate FOnPasteActorsBegin Delegate called when UUnrealEdEngine::PasteActors starts executing Editor/UnrealEdEngine.h  
OnPasteActorsEndDelegate FOnPasteActorsEnd Delegate called when UUnrealEdEngine::PasteActors is done executing Editor/UnrealEdEngine.h  
TemplateMapInfoCache TArray< FTemplateMapInfo > Transient unsaved version of template map infos used by the editor. Editor/UnrealEdEngine.h  
WritePermissionWarningNotificationWeakPtr TWeakPtr< SNotificationItem > Weak Pointer to the write permission warning toast. Editor/UnrealEdEngine.h  

Functions

Public

Name Remarks Include Path Unreal Specifiers

bool AnyContentPackagesAreDirty()

 Checks to see if any content packages are dirty (that is, they need to be saved.) Editor/UnrealEdEngine.h  

bool AnyWorldsAreDirty ( UWorld* InWorld
) const

 Checks to see if any worlds are dirty (that is, they need to be saved.) Editor/UnrealEdEngine.h  

void AppendTemplateMaps ( const TArray< FTemplateMapInfo >& TemplateMapInfos
)

 Appends the specified template maps to the list of available templates. Editor/UnrealEdEngine.h  

void AttachSelectedActors()

 Uses the current selection state to attach actors together. Last selected Actor becomes the base. Editor/UnrealEdEngine.h  
Misc. Editor/UnrealEdEngine.h  

virtual bool CanDeleteActor ( const AActor* InActor,
FText* OutReason
) const

 Can the given actor be deleted? Editor/UnrealEdEngine.h  

virtual bool CanDeleteComponent ( const UActorComponent* InComponent,
FText* OutReason
) const

 Can the given component be deleted? Editor/UnrealEdEngine.h  

bool CanDeleteSelectedActors ( const UWorld* InWorld,
const bool bStopAtFirst,
const bool bLogUndeletable,
TArray< AActor* >* OutDeletableActors
) const

 Iterate over all levels of the world and create a list of world infos, then Iterate over selected actors and assemble a list of actors which can be deleted. Editor/UnrealEdEngine.h  

virtual bool CanSavePackage ( UPackage* PackageToSave
)

 Returns whether saving the specified package is allowed Editor/UnrealEdEngine.h  

virtual void CopyActors ( const TArray< AActor* >& InActorsToCopy,
UWorld* InWorld,
FString* DestinationData
) const

 Copy the given actors to the clipboard. Does not copy PrefabInstance actors or parts of Prefabs. Editor/UnrealEdEngine.h  

virtual void CopyComponents ( const TArray< UActorComponent* >& InComponentsToCopy,
FString* DestinationData
) const

 Copy the given components to the clipboard. Editor/UnrealEdEngine.h  

virtual void CreateBSPVisibilityMap ( UWorld* InWorld,
TMap< AActor*, TArray< int32 > >& OutBSPMap,
bool& bOutAllVisible
)

 Will create a map of currently visible BSP surfaces. Editor/UnrealEdEngine.h  

virtual bool DeleteActors ( const TArray< AActor* >& InActorsToDelete,
UWorld* InWorld,
UTypedElementSelectionSet* InSelectionSet,
const bool bVerifyDeletionCanHappen,
const bool bWarnAboutReferences,
const bool bWarnAboutSoftReferences
)

 Deletes the given actors. Editor/UnrealEdEngine.h  

virtual bool DeleteComponents ( const TArray< UActorComponent* >& InComponentsToDelete,
UTypedElementSelectionSet* InSelectionSet,
const bool bVerifyDeletionCanHappen
)

 Delete the given components. Editor/UnrealEdEngine.h  

bool DoDirtyPackagesNeedCheckout()

 Checks to see if there are any packages in the PackageToNotifyState map that are not checked out by the user Editor/UnrealEdEngine.h  

void DrawComponentVisualizers ( const FSceneView* View,
FPrimitiveDrawInterface* PDI
)

 Draw component visualizers for components for selected actors Editor/UnrealEdEngine.h  

void DrawComponentVisualizersHUD ( const FViewport* Viewport,
const FSceneView* View,
FCanvas* Canvas
)

 Draw component visualizers HUD elements for components for selected actors Editor/UnrealEdEngine.h  

virtual void DuplicateActors ( const TArray< AActor* >& InActorsToDuplicate,
TArray< AActor* >& OutNewActors,
ULevel* InLevel,
const FVector& LocationOffset
)

 Duplicates the given actors. Editor/UnrealEdEngine.h  

virtual void DuplicateComponents ( const TArray< UActorComponent* >& InComponentsToDuplicate,
TArray< UActorComponent* >& OutNewComponents
)

 Duplicate the given components. Editor/UnrealEdEngine.h  

void DuplicateSelectedActors ( UWorld* InWorld
)

 Duplicate the currently selected actors. Editor/UnrealEdEngine.h  

virtual void edactAlignOrigin()

 Align the origin with the current grid. Editor/UnrealEdEngine.h  

virtual void edactAlignVertices()

 Align all vertices with the current grid. Editor/UnrealEdEngine.h  

virtual void edactHideSelected ( UWorld* InWorld
)

 Hide selected actors and BSP models by marking their bHiddenEdTemporary flags true. Editor/UnrealEdEngine.h  

virtual void edactHideSelectedHierarchy ( UWorld* InWorld
)

 Hide selected actors, their child hierarchy, and BSP models by marking their bHiddenEdTemporary flags true. Editor/UnrealEdEngine.h  

virtual void edactHideSelectedHierarchyStartup ( UWorld* InWorld
)

 Mark all selected actors, their child hierarchy, and BSP models to be hidden upon editor startup, by setting their bHiddenEd flag to true, if it is not already. Editor/UnrealEdEngine.h  

virtual void edactHideSelectedStartup ( UWorld* InWorld
)

 Mark all selected actors and BSP models to be hidden upon editor startup, by setting their bHiddenEd flag to true, if it is not already. Editor/UnrealEdEngine.h  

virtual void edactHideUnselected ( UWorld* InWorld
)

 Hide unselected actors and BSP models by marking their bHiddenEdTemporary flags true. Editor/UnrealEdEngine.h  

virtual void edactReplaceClassWithClass ( UWorld* InWorld,
UClass* SrcClass,
UClass* DstClass
)

 Replace all actors of the specified source class with actors of the destination class. Editor/UnrealEdEngine.h  

virtual void edactReplaceSelectedBrush ( UWorld* InWorld
)

 Replace all selected brushes with the default brush. Editor/UnrealEdEngine.h  

virtual void edactReplaceSelectedNonBrushWithClass ( UClass* Class
)

 Replace all selected non-brush actors with the specified class. Editor/UnrealEdEngine.h  

virtual void edactSelectAll ( UWorld* InWorld
)

 Editor actor virtuals from EditorActor.cpp. Editor/UnrealEdEngine.h  

virtual void edactSelectAllChildren ( bool bRecurseChildren
)

 Select all children actors of the current selection. Editor/UnrealEdEngine.h  

virtual void edactSelectDeleted ( UWorld* InWorld
)

 Select all actors in a level that are marked for deletion. Editor/UnrealEdEngine.h  

virtual void edactSelectInvert ( UWorld* InWorld
)

 Invert the selection of all actors and BSP models. Editor/UnrealEdEngine.h  

virtual void edactSelectMatchingEmitter()

 Select all emitter actors that have the same particle system template assigned to them as the selected ones. Editor/UnrealEdEngine.h  

virtual void edactSelectMatchingMaterial()

 Select all material actors that have the same material assigned to them as the selected ones. Editor/UnrealEdEngine.h  

virtual void edactSelectMatchingSkeletalMesh ( bool bAllClasses
)

 Select all actors that have the same skeletal mesh assigned to them as the selected ones. Editor/UnrealEdEngine.h  

virtual void edactSelectMatchingStaticMesh ( bool bAllClasses
)

 Select all actors that have the same static mesh assigned to them as the selected ones. Editor/UnrealEdEngine.h  

virtual void edactSelectOfClass ( UWorld* InWorld,
UClass* Class
)

 Select all actors in a particular class. Editor/UnrealEdEngine.h  

virtual void edactSelectOfClassAndArchetype ( UWorld* InWorld,
const TSubclassOf< AActor > InClass,
const UObject* InArchetype
)

 Select all actors of a particular class and archetype. Editor/UnrealEdEngine.h  

virtual void edactSelectRelevantLights ( UWorld* InWorld
)

 Select the relevant lights for all selected actors Editor/UnrealEdEngine.h  

virtual void edactSelectSubclassOf ( UWorld* InWorld,
UClass* Class
)

 Select all actors in a particular class and its subclasses. Editor/UnrealEdEngine.h  
Toggles visibility of selected actors and their child hierarchy. Editor/UnrealEdEngine.h  

virtual void edactToggleSelectedVisibility ( UWorld* InWorld
)

 Toggles visibility of selected actors. Editor/UnrealEdEngine.h  

virtual void edactUnHideAll ( UWorld* InWorld
)

 Attempt to unhide all actors and BSP models by setting their bHiddenEdTemporary flags to false if they are true. Editor/UnrealEdEngine.h  

virtual void edactUnHideAllStartup ( UWorld* InWorld
)

 Mark all actors and BSP models to be shown upon editor startup, by setting their bHiddenEd flag to false, if it is not already. Editor/UnrealEdEngine.h  

virtual void edactUnhideSelected ( UWorld* InWorld
)

 Show selected actors and BSP models by marking their bHiddenEdTemporary flags false. Editor/UnrealEdEngine.h  

virtual void edactUnhideSelectedHierarchy ( UWorld* InWorld
)

 Show selected actors, their child hierarchy, and BSP models by marking their bHiddenEdTemporary flags false. Editor/UnrealEdEngine.h  

virtual void edactUnHideSelectedHierarchyStartup ( UWorld* InWorld
)

 Mark all selected actors, their child hierarchy, and BSP models to be shown upon editor startup, by setting their bHiddenEd flag to false, if it is not already. Editor/UnrealEdEngine.h  

virtual void edactUnHideSelectedStartup ( UWorld* InWorld
)

 Mark all selected actors and BSP models to be shown upon editor startup, by setting their bHiddenEd flag to false, if it is not already. Editor/UnrealEdEngine.h  

bool Exec_Actor ( UWorld* InWorld,
const TCHAR* Str,
FOutputDevice& Ar
)

   Editor/UnrealEdEngine.h  

bool Exec_Edit ( UWorld* InWorld,
const TCHAR* Str,
FOutputDevice& Ar
)

 UnrealEdSrv stuff. Editor/UnrealEdEngine.h  

bool Exec_Element ( UWorld* InWorld,
const TCHAR* Str,
FOutputDevice& Ar
)

   Editor/UnrealEdEngine.h  

bool Exec_Group ( const TCHAR* Str,
FOutputDevice& Ar
)

   Editor/UnrealEdEngine.h  

bool Exec_Mode ( const TCHAR* Str,
FOutputDevice& Ar
)

   Editor/UnrealEdEngine.h  

bool Exec_Pivot ( const TCHAR* Str,
FOutputDevice& Ar
)

   Editor/UnrealEdEngine.h  

TSharedPtr< class FComponentVisualizer > FindComponentVisualizer ( UClass* ComponentClass
) const

 Find a component visualizer for the given component class (checking parent classes too) Editor/UnrealEdEngine.h  

TSharedPtr< class FComponentVisualizer > FindComponentVisualizer ( FName ComponentClassName
) const

 Find a component visualizer for the given component class name Editor/UnrealEdEngine.h  

void FixAnyInvertedBrushes ( UWorld* World
)

 Identify any brushes whose sense is inverted and repair them Editor/UnrealEdEngine.h  

UPackage * GeneratePackageThumbnailsIfRequired ( const TCHAR* Str,
FOutputDevice& Ar,
TArray< FString >& ThumbNamesToUnload
)

 Generate the package thumbails if they are needed. Editor/UnrealEdEngine.h  

AActor * GetDesiredAttachmentState ( TArray< AActor* >& OutNewChildren
)

 Returns the configuration of attachment that would result from calling AttachSelectedActors at this point in time Editor/UnrealEdEngine.h  

int32 GetNumDirtyPackagesThatNeedCheckout()

   Editor/UnrealEdEngine.h  

IPackageAutoSaver & GetPackageAutoSaver()

   Editor/UnrealEdEngine.h  

const TArray< FTemplateMapInfo > & GetProjectDefaultMapTemplates()

 Gets the project default map templates without any runtime overrides Editor/UnrealEdEngine.h  
Gets the canonical list of map templates that should be visible in new level picker. Editor/UnrealEdEngine.h  

UThumbnailManager * GetThumbnailManager()

 Returns the thumbnail manager and creates it if missing Editor/UnrealEdEngine.h  

UUnrealEdOptions * GetUnrealEdOptions()

   Editor/UnrealEdEngine.h  

bool HandleBuildLightingCommand ( const TCHAR* Str,
FOutputDevice& Ar,
UWorld* InWorld
)

   Editor/UnrealEdEngine.h  

bool HandleBuildPathsCommand ( const TCHAR* Str,
FOutputDevice& Ar,
UWorld* InWorld
)

   Editor/UnrealEdEngine.h  

bool HandleDisallowExportCommand ( const TCHAR* Str,
FOutputDevice& Ar
)

   Editor/UnrealEdEngine.h  

bool HandleDisasmScriptCommand ( const TCHAR* Str,
FOutputDevice& Ar
)

   Editor/UnrealEdEngine.h  

bool HandleDumpBPClassesCommand ( const TCHAR* Str,
FOutputDevice& Ar
)

   Editor/UnrealEdEngine.h  

bool HandleDumpModelGUIDCommand ( const TCHAR* Str,
FOutputDevice& Ar
)

 Exec command handlers Editor/UnrealEdEngine.h  

bool HandleDumpSelectionCommand ( const TCHAR* Str,
FOutputDevice& Ar
)

   Editor/UnrealEdEngine.h  

bool HandleFindOutdateInstancesCommand ( const TCHAR* Str,
FOutputDevice& Ar
)

   Editor/UnrealEdEngine.h  

bool HandleModalTestCommand ( const TCHAR* Str,
FOutputDevice& Ar
)

   Editor/UnrealEdEngine.h  

bool HandleRecreateLandscapeCollisionCommand ( const TCHAR* Str,
FOutputDevice& Ar,
UWorld* InWorld
)

   Editor/UnrealEdEngine.h  

bool HandleRemoveLandscapeXYOffsetsCommand ( const TCHAR* Str,
FOutputDevice& Ar,
UWorld* InWorld
)

   Editor/UnrealEdEngine.h  

bool HasMountWritePermissionForPackage ( const FString& PackageName
)

 Return if we have write permission under the mount point this packages lives in. Editor/UnrealEdEngine.h  

bool IsComponentSelected ( const UPrimitiveComponent* PrimComponent
)

   Editor/UnrealEdEngine.h  

bool IsPivotMovedIndependently()

 Return whether the pivot has been moved independently or not Editor/UnrealEdEngine.h  

bool IsTemplateMap ( const FString& MapName
) const

 Checks whether the specified map is a template map. Editor/UnrealEdEngine.h  

bool IsUserInteracting()

 Returns true if the user is currently interacting with a viewport. Editor/UnrealEdEngine.h  

virtual void MakeBSPMapVisible ( const TMap< AActor*, TArray< int32 > >& InBSPMap,
UWorld* InWorld
)

 Go through a map of BSP and make only the requested objects visible. Editor/UnrealEdEngine.h  

void MakeSelectedActorsLevelCurrent()

 If all selected actors belong to the same level, that level is made the current level. Editor/UnrealEdEngine.h  

void OnColorPickerChanged()

 Called by color picker change event Editor/UnrealEdEngine.h  

FGetTemplateMapInfos & OnGetTemplateMapInfos()

   Editor/UnrealEdEngine.h  

void OnPackageDirtyStateUpdated ( UPackage* Pkg
)

 Called when a package has has its dirty state updated Editor/UnrealEdEngine.h  

void OnPackagesCheckedOut ( const FSourceControlOperationRef& SourceControlOp,
ECommandResult::Type ResultType,
TArray< TWeakObjectPtr< UPackage > > Packages
)

 Called when a package is automatically checked out from source control Editor/UnrealEdEngine.h  

FOnPasteActorsBegin & OnPasteActorsBegin()

   Editor/UnrealEdEngine.h  

FOnPasteActorsEnd & OnPasteActorsEnd()

   Editor/UnrealEdEngine.h  

void OnPostGarbageCollect()

 Caled by FCoreDelegate::PostGarbageCollect Editor/UnrealEdEngine.h  

void OnPostWindowsMessage ( FViewport* Viewport,
uint32 Message
)

 Called by the viewport client after a windows message is processed Editor/UnrealEdEngine.h  

void OnPreWindowsMessage ( FViewport* Viewport,
uint32 Message
)

 Called by the viewport client before a windows message is processed Editor/UnrealEdEngine.h  

void OnSourceControlStateUpdated ( const FSourceControlOperationRef& SourceControlOp,
ECommandResult::Type ResultType,
TArray< TWeakObjectPtr< UPackage > > Packages
)

 Called when a package's source control state is updated Editor/UnrealEdEngine.h  

void OpenSceneStatsWindow()

 Shows the SceneStatsWindow, creating it first if it hasn't been initialized. Editor/UnrealEdEngine.h  

void OpenTextureStatsWindow()

 Shows the TextureStatsWindow, creating it first if it hasn't been initialized. Editor/UnrealEdEngine.h  

virtual void PasteActors ( TArray< AActor* >& OutPastedActors,
UWorld* InWorld,
const FVector& LocationOffset,
bool bDuplicate,
bool bWarnIfHidden,
const FString* SourceData
)

 Paste the actors from the clipboard. Editor/UnrealEdEngine.h  

virtual void PasteComponents ( TArray< UActorComponent* >& OutPastedComponents,
AActor* TargetActor,
const bool bWarnIfHidden,
const FString* SourceData
)

 Paste the components from the clipboard. Editor/UnrealEdEngine.h  

void PostActorSelectionChanged()

 Called whenever the actor selection has changed to invalidate any cached state Editor/UnrealEdEngine.h  

void PromptToCheckoutModifiedPackages ( bool bPromptAll
)

 Prompts the user with a modal checkout dialog to checkout packages from source control. Editor/UnrealEdEngine.h  

void RebuildTemplateMapData()

   Editor/UnrealEdEngine.h  

void RegisterComponentVisualizer ( FName ComponentClassName,
TSharedPtr< class FComponentVisualizer > Visualizer
)

 Register a function to draw extra information when a particular component is selected Editor/UnrealEdEngine.h  

virtual AActor * ReplaceActor ( AActor* CurrentActor,
UClass* NewActorClass,
UObject* Archetype,
bool bNoteSelectionChange
)

 Replaces the specified actor with a new actor of the specified class. Editor/UnrealEdEngine.h  

void SetCurrentClass ( UClass* InClass
)

   Editor/UnrealEdEngine.h  

void SetPivotMovedIndependently ( bool bMovedIndependently
)

 Set whether the pivot has been moved independently or not Editor/UnrealEdEngine.h  

virtual bool ShouldAbortActorDeletion ( const TArray< AActor* >& InActorsToDelete,
FText* OutReason
) const

 Should the deletion of the given actors be outright aborted? Editor/UnrealEdEngine.h  

virtual bool ShouldAbortComponentDeletion ( const TArray< UActorComponent* >& InComponentsToDelete,
FText* OutReason
) const

 Should the deletion of the given components be outright aborted? Editor/UnrealEdEngine.h  

void ShowActorProperties()

 Hook replacements. Editor/UnrealEdEngine.h  

void ShowLightingStaticMeshInfoWindow()

 Shows the LightingStaticMeshInfoWindow, creating it first if it hasn't been initialized. Editor/UnrealEdEngine.h  

void ShowPackageNotification()

 Displays a toast notification or warning when a package is dirtied, indicating that it needs checking out (or that it cannot be checked out) Editor/UnrealEdEngine.h  

void UnregisterComponentVisualizer ( FName ComponentClassName
)

 Unregister component visualizer function Editor/UnrealEdEngine.h  

void UpdateFloatingPropertyWindows ( bool bForceRefresh,
bool bNotifyActorSelectionChanged
)

 Updates the property windows of selected actors Editor/UnrealEdEngine.h  

void UpdateFloatingPropertyWindowsFromActorList ( const TArray< AActor* >& ActorList,
bool bForceRefresh
)

 Updates the property windows to show the data of the supplied ActorList Editor/UnrealEdEngine.h  

void UpdatePivotLocationForSelection ( bool bOnChange
)

 Called to reset the editor's pivot (widget) location using the currently selected objects. Editor/UnrealEdEngine.h  

void UpdateVolumeActorVisibility ( UClass* InVolumeActorClass,
FLevelEditorViewportClient* InViewport
)

 Updates the volume actor visibility for all viewports based on the passed in volume class Editor/UnrealEdEngine.h  

bool WarnIfDestinationLevelIsHidden ( UWorld* InWorld
) const

 Checks the destination level visibility and warns the user if they are trying to paste to a hidden level, offering the option to cancel the operation or unhide the level that is hidden Editor/UnrealEdEngine.h  

Overridden from UEditorEngine

Name Remarks Include Path Unreal Specifiers

virtual void CancelCookByTheBookInEditor()

 Cancels the current cook by the book in editor Editor/UnrealEdEngine.h  

virtual bool CanCookByTheBookInEditor ( const FString& PlatformName
) const

 Can the editor do cook by the book in the editor process space Editor/UnrealEdEngine.h  

virtual bool CanCookOnTheFlyInEditor ( const FString& PlatformName
) const

 Can the editor act as a cook on the fly server Editor/UnrealEdEngine.h  

virtual bool CanSelectActor ( AActor* Actor,
bool InSelected,
bool bSelectEvenIfHidden,
bool bWarnIfLevelLocked
) const

   Editor/UnrealEdEngine.h  

virtual void Cleanse ( bool ClearSelection,
bool Redraw,
const FText& TransReset,
bool bTransReset
)

 General functions. Cleans up after major events like e.g. map changes. Editor/UnrealEdEngine.h  

virtual void CloseEditor()

 Closes the main editor frame. Editor/UnrealEdEngine.h  

virtual void DeselectAllSurfaces()

 Deselect all surfaces. Editor/UnrealEdEngine.h  

virtual void edactCopySelected ( UWorld* InWorld,
FString* DestinationData
)

 Copy selected actors to the clipboard. Editor/UnrealEdEngine.h  

virtual bool edactDeleteSelected ( UWorld* InWorld,
bool bVerifyDeletionCanHappen,
bool bWarnAboutReferences,
bool bWarnAboutSoftReferences
)

 Deletes all selected actors Final - Override DeleteComponents or DeleteActors instead Editor/UnrealEdEngine.h  

virtual void edactDuplicateSelected ( ULevel* InLevel,
bool bOffsetLocations
)

 Duplicates selected actors. Editor/UnrealEdEngine.h  

virtual void edactPasteSelected ( UWorld* InWorld,
bool bDuplicate,
bool bOffsetLocations,
bool bWarnIfHidden,
const FString* SourceData
)

 Paste selected actors from the clipboard. Editor/UnrealEdEngine.h  

virtual void FinishAllSnaps()

   Editor/UnrealEdEngine.h  

virtual void GetPackageList ( TArray< UPackage* >* InPackages,
UClass* InClass
)

   Editor/UnrealEdEngine.h  

virtual FVector GetPivotLocation()

 Pivot handling. Editor/UnrealEdEngine.h  

virtual bool IsCookByTheBookInEditorFinished()

 Checks if the cook by the book is finished Editor/UnrealEdEngine.h  

virtual void NoteActorMovement()

   Editor/UnrealEdEngine.h  

virtual void NoteSelectionChange ( bool bNotify
)

   Editor/UnrealEdEngine.h  

virtual void RedrawLevelEditingViewports ( bool bInvalidateHitProxies
)

 Redraws all level editing viewport clients. Editor/UnrealEdEngine.h  

virtual void ResetPivot()

   Editor/UnrealEdEngine.h  

virtual void SelectActor ( AActor* Actor,
bool bInSelected,
bool bNotify,
bool bSelectEvenIfHidden,
bool bForceRefresh
)

 Selection. Editor/UnrealEdEngine.h  

virtual void SelectBSPSurf ( UModel* InModel,
int32 iSurf,
bool bSelected,
bool bNoteSelectionChange
)

 Selects or deselects a BSP surface in the persistent level's UModel. Editor/UnrealEdEngine.h  

virtual void SelectComponent ( UActorComponent* Component,
bool bInSelected,
bool bNotify,
bool bSelectEvenIfHidden
)

   Editor/UnrealEdEngine.h  

virtual void SelectGroup ( AGroupActor* InGroupActor,
bool bForceSelection,
bool bInSelected,
bool bNotify
)

   Editor/UnrealEdEngine.h  

virtual void SelectNone ( bool bNoteSelectionChange,
bool bDeselectBSPSurfs,
bool WarnAboutManyActors
)

 Deselect all actors. Does nothing if GEdSelectionLock is true. Editor/UnrealEdEngine.h  

virtual void SetPivot ( FVector NewPivot,
bool bSnapPivotToGrid,
bool bIgnoreAxis,
bool bAssignPivot
)

 Sets the editor's pivot location, and optionally the pre-pivots of actors. Editor/UnrealEdEngine.h  

virtual bool ShouldAbortActorDeletion ()

 Checks the state of the selected actors and notifies the user of any potentially unknown destructive actions which may occur as the result of deleting the selected actors. Editor/UnrealEdEngine.h  

virtual void StartCookByTheBookInEditor ( const TArray< ITargetPlatform* >& TargetPlatforms,
const TArray< FString >& CookMaps,
const TArray< FString >& CookDirectories,
const TArray< FString >& CookCultures,
const TArray< FString >& IniMapSections
)

 Start cook by the book in the editor process space Editor/UnrealEdEngine.h  

virtual void TakeHighResScreenShots()

 Triggers a high res screen shot for current editor viewports. Editor/UnrealEdEngine.h  

Overridden from UEngine

Name Remarks Include Path Unreal Specifiers

virtual bool AllowSelectTranslucent()

   Editor/UnrealEdEngine.h  

virtual bool GetMapBuildCancelled()

   Editor/UnrealEdEngine.h  

virtual int32 GetSpriteCategoryIndex ( const FName& InSpriteCategory
)

 Get the index of the provided sprite category Editor/UnrealEdEngine.h  

virtual void Init ( IEngineLoop* InEngineLoop
)

   Editor/UnrealEdEngine.h  

virtual bool IsAutosaving ( const EPackageAutoSaveType AutoSaveType
) const

   Editor/UnrealEdEngine.h  

virtual bool OnlyLoadEditorVisibleLevelsInPIE()

   Editor/UnrealEdEngine.h  

virtual void PreExit()

   Editor/UnrealEdEngine.h  

virtual bool PreferToStreamLevelsInPIE()

   Editor/UnrealEdEngine.h  

virtual void SetMapBuildCancelled ( bool InCancelled
)

   Editor/UnrealEdEngine.h  

virtual void Tick ( float DeltaSeconds,
bool bIdleMode
)

   Editor/UnrealEdEngine.h  

Overridden from UObject

Name Remarks Include Path Unreal Specifiers

virtual void FinishDestroy()

   Editor/UnrealEdEngine.h  

virtual void Serialize ( FArchive& Ar
)

   Editor/UnrealEdEngine.h  

Overridden from FNotifyHook

Name Remarks Include Path Unreal Specifiers

virtual void NotifyPostChange ( const FPropertyChangedEvent& PropertyChangedEvent,
FProperty* PropertyThatChanged
)

   Editor/UnrealEdEngine.h  

virtual void NotifyPreChange ( FProperty* PropertyAboutToChange
)

   Editor/UnrealEdEngine.h  

Protected

Name Remarks Include Path Unreal Specifiers

void OnEditorElementSelectionChanged ( const UTypedElementSelectionSet* SelectionSet
)

 Called when the element selection set associated with the global editor selection changes Editor/UnrealEdEngine.h  

void OnEditorElementSelectionPtrChanged ( USelection* Selection,
UTypedElementSelectionSet* OldSelectionSet,
UTypedElementSelectionSet* NewSelectionSet
)

 Called when the element selection set pointer set on the global editor selection changes Editor/UnrealEdEngine.h  

void OnHISMTreeBuilt ( UHierarchicalInstancedStaticMeshComponent* Component,
bool bWasAsyncBuild
)

 Called when a HISM tree has finished building Editor/UnrealEdEngine.h  

Static

Name Remarks Include Path Unreal Specifiers

static void GetChildHierarchyOfSelectedActor ( TArray< AActor* >& OutActorArray,
AActor* ParentActor,
const bool bExcludeSelectedChildren,
const TOptional< bool >& bIsFindingHidden
)

 Helper function to recursively add the children of a given actor to the OutActorArray. Editor/UnrealEdEngine.h  

static void GetSortedVolumeClasses ( TArray< UClass* >* VolumeClasses
)

 Puts all of the AVolume classes into the passed in array and sorts them by class name. Editor/UnrealEdEngine.h  

static void MakeSortedSpriteInfo ( TArray< struct FSpriteCategoryInfo >& OutSortedSpriteInfo
)

 Builds a list of sprite categories for use in menus Editor/UnrealEdEngine.h  

Deprecated Variables

Name Type Remarks Include Path Unreal Specifiers
SortedSpriteCategories_DEPRECATED TArray< FString > Array of sorted, localized editor sprite categories Editor/UnrealEdEngine.h  

Ask questions and help your peers Developer Forums

Write your own tutorials or read those from others Learning Library

On this page