UEditorWorldExtensionCollection | Unreal Engine 5.7 Documentation

Holds a collection of UEditorExtension


Name	UEditorWorldExtensionCollection
Type	class
Header File	/Engine/Source/Editor/UnrealEd/Public/EditorWorldExtension.h
Include Path	#include "EditorWorldExtension.h"

Syntax

UCLASS (MinimalAPI)  
class UEditorWorldExtensionCollection : public UObject

UObjectBase → UObjectBaseUtility → UObject → UEditorWorldExtensionCollection

Name	Remarks	Include Path	Unreal Specifiers
UEditorWorldExtensionCollection()	Default constructor	EditorWorldExtension.h

Name	Remarks	Include Path	Unreal Specifiers
virtual ~UEditorWorldExtensionCollection()	Default destructor	EditorWorldExtension.h

Name	Type	Remarks	Include Path
FEditorExtensionTuple	TTuple< UEditorWorldExtension *, int32 >	List of extensions along with their reference count.	EditorWorldExtension.h

Name	Type	Remarks	Include Path
Currentworld	TWeakObjectPtr< UWorld >	World context	EditorWorldExtension.h
EditorExtensions	TArray< FEditorExtensionTuple >		EditorWorldExtension.h
LastEditorWorld	TWeakObjectPtr< UWorld >	After entering Simulate or PIE, this stores the counterpart editor world to the play world, so that we know this collection needs to transition back to editor world after Simulate or PIE finishes.	EditorWorldExtension.h

Name	Remarks	Include Path
UEditorWorldExtension * AddExtension ( TSubclassOf< UEditorWorldExtension > EditorExtensionClass )	Checks if the passed extension already exists and creates one if it doesn't.	EditorWorldExtension.h
void AddExtension ( UEditorWorldExtension* EditorExtension )	Adds an extension to the collection	EditorWorldExtension.h
UEditorWorldExtension * FindExtension ( TSubclassOf< UEditorWorldExtension > EditorExtensionClass )	Find an extension based on the class	EditorWorldExtension.h
UWorld * GetLastEditorWorld()	Gets the last editor world, will only be non-null when current world is a play world.	EditorWorldExtension.h
virtual UWorld * GetWorld()	Gets the world from the world context	EditorWorldExtension.h
bool InputAxis ( FEditorViewportClient* InViewportClient, FViewport* Viewport, int32 ControllerId, FKey Key, float Delta, float DeltaTime )	Notifies all extensions of axis movement	EditorWorldExtension.h
bool InputKey ( FEditorViewportClient* InViewportClient, FViewport* Viewport, FKey Key, EInputEvent Event )	Notifies all extensions of keyboard input	EditorWorldExtension.h
void RemoveExtension ( UEditorWorldExtension* EditorExtension )	Removes an extension from the collection and calls Shutdown() on the extension	EditorWorldExtension.h
void ShowAllActors ( const bool bShow )	Show or hide all the actors of extensions that belong to this collection.	EditorWorldExtension.h
void Tick ( float DeltaSeconds )	Ticks all extensions	EditorWorldExtension.h