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Unreal Engine C++ API Reference > Runtime > Engine > Engine
References
| Module | Engine |
| Header | /Engine/Source/Runtime/Engine/Classes/Engine/World.h |
| Include | #include "Engine/World.h" |
Syntax
class FWorldDelegates
Remarks
World delegates
Constructors
No constructors are accessible with public or protected access.
Functions
| Type | Name | Description | |
|---|---|---|---|
 |
DECLARE_TS_MULTICAST_DELEGATE_OneParam
(
FWorldEvent, |
Typedefs
| Name | Description |
|---|---|
| FGameInstanceEvent | |
| FLevelOffsetEvent | Called after offset was applied to a level. |
| FLevelTransformEvent | Called after transform is applied to level. |
| FOnCopyWorldData | |
| FOnLevelChanged | Delegate type for level change events. |
| FOnNetDriverCreated | |
| FOnSeamlessTravelStart | |
| FOnSeamlessTravelTransition | |
| FOnWorldPIEEnded | PIE has ended. |
| FOnWorldPIEMapCreated | PIE map is created. |
| FOnWorldPIEMapReady | PIE map is created. |
| FOnWorldPIEReady | PIE is ready. |
| FOnWorldPIEStarted | PIE has started. |
| FOnWorldPostActorTick | |
| FOnWorldPreActorTick | Delegate called before actors are ticked for each world. Delta seconds is already dilated and clamped. |
| FOnWorldPreSendAllEndOfFrameUpdates | |
| FOnWorldTickEnd | |
| FOnWorldTickStart | |
| FRefreshLevelScriptActionsEvent | Delegate called when levelscript actions need refreshing. |
| FReplacementMap | Post UWorld duplicate event. |
| FWorldCleanupEvent | |
| FWorldCollectSaveReferencesEvent | Callback to add references when Serialize is called during SavePackage. |
| FWorldCurrentLevelChangedEvent | |
| FWorldGetAssetTags | |
| FWorldGetAssetTagsWithContext | Delegate for generating world asset registry tags so project/game scope can add additional tags for filtering levels in their UI, etc |
| FWorldInitializationEvent | |
| FWorldPostDuplicateEvent | |
| FWorldPostRenameEvent | |
| FWorldPreRenameEvent |
Constants
| Name | Description |
|---|---|
| GetAssetTags | |
| GetAssetTagsWithContext | Called by UWorld::GetAssetRegistryTags() |
| LevelAddedToWorld | Sent when a ULevel is added to the world via UWorld::AddToWorld. |
| LevelRemovedFromWorld | Sent when a ULevel is removed from the world via UWorld::RemoveFromWorld or LoadMap (a NULL object means the LoadMap case, because all levels will be removed from the world without a RemoveFromWorld call for each) |
| OnCollectSaveReferences | |
| OnCopyWorldData | |
| OnCurrentLevelChanged | |
| OnNetDriverCreated | |
| OnPIEEnded | |
| OnPIEMapCreated | |
| OnPIEMapReady | |
| OnPIEReady | |
| OnPIEStarted | |
| OnPostDuplicate | Post duplication event. |
| OnPostWorldCleanup | Callback for world cleanup end. |
| OnPostWorldCreation | Callback for world creation. |
| OnPostWorldInitialization | Callback for world initialization (post) |
| OnPostWorldRename | Callback for world rename event (post) |
| OnPreWorldFinishDestroy | Callback for world destruction (only called for initialized worlds) |
| OnPreWorldInitialization | Callback for world initialization (pre) |
| OnPreWorldRename | Callback for world rename event (pre) |
| OnSeamlessTravelStart | |
| OnSeamlessTravelTransition | |
| OnStartGameInstance | |
| OnWorldBeginTearDown | Global Callback when an initialized world begins to tear down before cleanup. |
| OnWorldCleanup | Callback for world cleanup start. |
| OnWorldInitializedActors | Global Callback after actors have been initialized (on any world) |
| OnWorldPostActorTick | |
| OnWorldPreActorTick | |
| OnWorldPreSendAllEndOfFrameUpdates | |
| OnWorldTickEnd | |
| OnWorldTickStart | |
| PostApplyLevelOffset | |
| PostApplyLevelTransform | |
| PreLevelRemovedFromWorld | Sent before a ULevel is removed from the world via UWorld::RemoveFromWorld or LoadMap (a NULL object means the LoadMap case, because all levels will be removed from the world without a RemoveFromWorld call for each) |
| RefreshLevelScriptActions | Called when changes in the levels require blueprint actions to be refreshed. |