Here is a list of all documented functions with links to the class documentation for each member:

- u -

• UInt() : xiiRandom, xiiSimdRandom
• UIntInRange() : xiiRandom
• UnbindKey() : xiiQuakeConsole
• Union() : xiiHashSetBase< KeyType, Hasher >, xiiSetBase< KeyType, Comparer >
• UnlinkPrefabs() : xiiDocument, xiiSceneDocument
• UnloadAllPlugins() : xiiPlugin
• UnloadData() : xiiAnimationClipResource, xiiAnimGraphResource, xiiBlackboardTemplateResource, xiiCollectionResource, xiiColorGradientResource, xiiConfigFileResource, xiiCpuMeshResource, xiiCurve1DResource, xiiCustomDataResource< T >, xiiCustomDataResourceBase, xiiDecalAtlasResource, xiiDecalResource, xiiDynamicMeshBufferResource, xiiImageDataResource, xiiMaterialResource, xiiMeshBufferResource, xiiMeshResource, xiiPrefabResource, xiiProbeTreeSectorResource, xiiPropertyAnimResource, xiiRenderPipelineResource, xiiRenderToTexture2DResource, xiiResource, xiiShaderPermutationResource, xiiShaderResource, xiiSkeletonResource, xiiStateMachineResource, xiiSurfaceResource, xiiTexture2DResource, xiiTexture3DResource, xiiTextureCubeResource, xiiVisualScriptClassResource
• Unlock() : xiiConditionVariable, xiiMessageQueueBase< MetaDataType >, xiiMutex, xiiNoMutex
• UnlockWaitForSignalAndLock() : xiiConditionVariable
• Unmap() : xiiGALMapHelper< DataType >
• UnmapBuffer() : xiiGALCommandList
• UnmapTextureSubresource() : xiiGALCommandList
• Unregister() : xiiSingletonRegistry
• UnregisterActionMap() : xiiActionMapManager
• UnregisterDefaultStateProvider() : xiiDefaultState
• UnregisterEventHandler() : xiiFileSystem
• UnregisterLongOp() : xiiLongOpControllerManager
• UnregisterNamedResource() : xiiResourceManager
• UnregisterNames() : xiiCollectionResource
• UnregisterResourceOverrideType() : xiiResourceManager
• UnregisterType() : xiiPhantomRttiManager
• UnsetVariable() : xiiEnvironmentVariableUtils
• UnsignedValue() : xiiRandomGauss
• Unsubscribe() : xiiEventBase< EventData, MutexType, EventType >::Unsubscriber
• Update() : xiiActor, xiiActorManager, xiiBoxReflectionProbeVisualizerAdapter, xiiBoxVisualizerAdapter, xiiCameraVisualizerAdapter, xiiCapsuleVisualizerAdapter, xiiClock, xiiConeVisualizerAdapter, xiiCylinderVisualizerAdapter, xiiDirectionVisualizerAdapter, xiiGALDynamicBuffer, xiiGALVertexBufferPool< VertexType, MutexType, AllocatorWrapper >, xiiInputManager, xiiIntervalScheduler< T >, xiiPointLightVisualizerAdapter, xiiRotorComponent, xiiSphereVisualizerAdapter, xiiSpotLightVisualizerAdapter, xiiVisualizerAdapter, xiiWorld
• UpdateAssetDocumentInfo() : xiiAssetDocument, xiiCustomDataAssetDocument, xiiMaterialAssetDocument, xiiMeshAssetDocument, xiiSceneDocument, xiiSkeletonAssetDocument, xiiTextureAssetDocument, xiiTextureCubeAssetDocument, xiiVisualScriptClassAssetDocument
• UpdateBackgroundSceneLoading() : xiiGameState
• UpdateBuffer() : xiiGALCommandList
• UpdateCameraInterpolation() : xiiQtEngineViewWidget
• UpdateClient() : xiiFileserveClient
• UpdateContent() : xiiAnimationClipResource, xiiAnimGraphResource, xiiBlackboardTemplateResource, xiiCollectionResource, xiiColorGradientResource, xiiConfigFileResource, xiiCpuMeshResource, xiiCurve1DResource, xiiCustomDataResource< T >, xiiDecalAtlasResource, xiiDecalResource, xiiDynamicMeshBufferResource, xiiImageDataResource, xiiMaterialResource, xiiMeshBufferResource, xiiMeshResource, xiiPrefabResource, xiiProbeTreeSectorResource, xiiPropertyAnimResource, xiiRenderPipelineResource, xiiRenderToTexture2DResource, xiiResource, xiiShaderPermutationResource, xiiShaderResource, xiiSkeletonResource, xiiStateMachineResource, xiiSurfaceResource, xiiTexture2DResource, xiiTexture3DResource, xiiTextureCubeResource, xiiVisualScriptClassResource
• UpdateCVarUI() : xiiQtCVarWidget
• UpdateDataDirInfos() : xiiDataDirPath
• UpdateDocumentContext() : xiiEngineProcessDocumentContext, xiiLayerContext, xiiSceneContext
• UpdateDragDropOperation() : xiiDragDropHandler
• UpdateGizmoTransform() : xiiBoxReflectionProbeVisualizerAdapter, xiiBoxVisualizerAdapter, xiiCameraVisualizerAdapter, xiiCapsuleVisualizerAdapter, xiiConeVisualizerAdapter, xiiCylinderVisualizerAdapter, xiiDirectionVisualizerAdapter, xiiPointLightVisualizerAdapter, xiiSphereVisualizerAdapter, xiiSpotLightVisualizerAdapter, xiiVisualizerAdapter
• UpdateGizmoTransformation() : xiiGameObjectGizmoEditTool
• UpdateGlobalBounds() : xiiGameObject
• UpdateGlobalEventStatistics() : xiiGlobalEvent
• UpdateGlobalTransform() : xiiGameObject
• UpdateGlobalTransformAndBounds() : xiiGameObject
• UpdateGpuBuffer() : xiiDynamicMeshBufferResource
• UpdateHardwareState() : xiiInputDevice
• UpdateInputSlotValues() : xiiDummyXRInput, xiiInputDevice, xiiInputDeviceMouseKeyboard, xiiVirtualThumbStick
• UpdateInstanceData() : xiiInstanceData
• UpdateLocalBounds() : xiiGameObject
• UpdateMemoryUsage() : xiiAnimationClipResource, xiiAnimGraphResource, xiiBlackboardTemplateResource, xiiCollectionResource, xiiColorGradientResource, xiiConfigFileResource, xiiCpuMeshResource, xiiCurve1DResource, xiiCustomDataResource< T >, xiiDecalAtlasResource, xiiDecalResource, xiiDynamicMeshBufferResource, xiiImageDataResource, xiiMaterialResource, xiiMeshBufferResource, xiiMeshResource, xiiPrefabResource, xiiProbeTreeSectorResource, xiiPropertyAnimResource, xiiRenderPipelineResource, xiiRenderToTexture2DResource, xiiResource, xiiShaderPermutationResource, xiiShaderResource, xiiSkeletonResource, xiiStateMachineResource, xiiSurfaceResource, xiiTexture2DResource, xiiTexture3DResource, xiiTextureCubeResource, xiiVisualScriptClassResource
• UpdateMouseMode() : xiiEditorInputContext
• UpdateNetwork() : xiiTelemetry
• UpdateObjectDebugTargets() : xiiSceneDocument
• UpdatePingToServer() : xiiRemoteInterface
• UpdatePrefabs() : xiiDocument, xiiSceneDocument
• UpdateProbe() : xiiReflectionProbeMapping
• UpdateRemoteInterface() : xiiRemoteInterface
• UpdateResourceWithCustomLoader() : xiiResourceManager
• UpdateServer() : xiiFileserver
• UpdateSound() : xiiSoundInterface
• UpdateStreamBindings() : xiiProcessingStreamProcessor, xiiProcessingStreamSpawnerZeroInitialized
• UpdateStringEnd() : xiiStringUtils
• UpdateTexture() : xiiGALCommandList
• UpdateThreadUtilization() : xiiTaskWorkerThread
• UpdateThumbnailViewContext() : xiiAnimatedMeshContext, xiiAnimationClipContext, xiiEngineProcessDocumentContext, xiiMaterialContext, xiiMeshContext, xiiSceneContext, xiiSkeletonContext
• UpdateVibration() : xiiInputDeviceController
• UpdateViewData() : xiiView
• UpperBound() : xiiArrayMapBase< KEY, VALUE >, xiiMapBase< KeyType, ValueType, Comparer >, xiiSetBase< KeyType, Comparer >
• UserClickedCancel() : xiiProgress
• Uses32BitIndices() : xiiMeshBufferResourceDescriptor
• xiiUniquePtr() : xiiUniquePtr< T >
• xiiUuid() : xiiUuid