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  Type Name Description
Public class ASkeletalMeshActor SkeletalMeshActor is an instance of a USkeletalMesh in the world.  
Public struct Attributes Helper functionality for attributes animation runtime  
Public struct AttributeTypes    
Public struct CBlendableAttribute Concept used to verify a user-defined attribute type with its TAttributeTypeTraits::Blendable value set to true  
Public struct CNormalizedAttribute Concept used to verify a user-defined attribute type with its TAttributeTypeTraits::RequiresNormalization value set to true  
Public struct FA2CSPose Component space poses.  
Public struct FA2Pose    
Public struct FActiveAsyncCompressionTask Animation data that is currently being compressed.  
Public class FActiveStateMachineScope    
Public struct FAnimAssetTickContext This structure is used to either advance or synchronize animation players.  
Public struct FAnimationActiveTransitionEntry Information about an active transition on the transition stack.  
Public struct FAnimationBaseContext Base class for update/evaluate contexts  
Public struct FAnimationCacheBonesContext Context passed around when RequiredBones array changed and cached bones indices have to be refreshed.  
Public struct FAnimationCompressionMemorySummaryScope    
Public struct FAnimationErrorStats A set of error statistics for an animation, gathered by FAnimationUtils::ComputeCompressionError  
Public struct FAnimationFrameSnapshot This structure represents debugging information for a frame snapshot.  
Public struct FAnimationGroupReference    
Public struct FAnimationInitializeContext Initialization context passed around during animation tree initialization  
Public struct FAnimationPoseData Structure used for passing around animation pose related data throughout the Animation Runtime  
Public struct FAnimationPotentialTransition    
Public struct FAnimationRecordingSettings Settings describing how to record an animation  
Public struct FAnimationState    
Public struct FAnimationStateBase This is the base class that both baked states and transitions use.  
Public struct FAnimationStreamingManager Streaming manager dealing with animation.  
Public struct FAnimationTransitionBetweenStates This represents a baked transition.  
Public struct FAnimationTransitionRule This structure represents a baked transition rule inside a state.  
Public struct FAnimationUpdateContext Update context passed around during animation tree update  
Public struct FAnimationUpdateSharedContext Persistent state shared during animation tree update  
Public struct FAnimBlueprintConstantData 'Marker' structure for constant data.  
Public struct FAnimBlueprintDebugData This structure represents animation-related debugging information for an entire AnimBlueprint (general debug information for the event graph, etc... is still contained in a FBlueprintDebugData structure)  
Public struct FAnimBlueprintDebugData_AttributeRecord    
Public struct FAnimBlueprintDebugData_NodeVisit    
Public struct FAnimBlueprintFunction Describes the input and output of an anim blueprint 'function'  
Public struct FAnimBlueprintMutableData 'Marker' structure for mutable data.  
Public struct FAnimComponentSpacePoseContext    
Public struct FAnimCompressContext FAnimCompressContext - Context information / storage for use during animation compression  
Public struct FAnimCompressedCurveIndexedName    
Public struct FAnimCurveBase Float curve data for one track  
Public struct FAnimCurveBufferAccess Stores the raw rich curves as FCompressedRichCurve internally with optional key reduction and key time quantization.  
Public struct FAnimCurveCompressionResult Holds the result from animation curve compression  
Public struct FAnimCurveParam DEPRECATED - no longer used  
Public struct FAnimCurveType In the future if we need more bools, please convert to bitfield These are not saved in asset but per skeleton.  
Public struct FAnimDDCKeyArgs    
Public class FAnimEncodingHeapAllocator Heap allocator for animation decompression codec that want to avoid range checks for performance reasons.  
Public struct FAnimExecutionContext Context used to expose anim graph execution to BP function libraries.  
Public struct FAnimExtractContext Animation Extraction Context  
Public struct FAnimGraphBlendOptions Blending options for animation graphs in Linked Animation Blueprints.  
Public struct FAnimGroupInfo    
Public struct FAnimGroupInstance    
Public class FAnimInertializationSyncScope Scoped graph message used to synchronize tick records using inertialization.  
Public struct FAnimInitializationContext    
Public struct FAnimInstanceProxy Proxy object passed around during animation tree update in lieu of a UAnimInstance  
Public struct FAnimKeyHelper Animation Key extraction helper as we have a lot of code that messes up the key length  
Public struct FAnimLinkableElement Used to describe an element that can be linked to a segment in a montage or sequence.  
Public struct FAnimMontageInstance    
Public struct FAnimNode_ApplyMeshSpaceAdditive    
Public struct FAnimNode_AssetPlayerBase Base class for any asset playing anim node  
Public struct FAnimNode_AssetPlayerRelevancyBase Base class for any asset playing anim node  
Public struct FAnimNode_Base This is the base of all runtime animation nodes  
Public struct FAnimNode_ConvertComponentToLocalSpace    
Public struct FAnimNode_ConvertLocalToComponentSpace    
Public struct FAnimNode_CustomProperty Custom property node that you'd like to expand pin by reflecting internal instance (we call TargetInstance here)  
Public struct FAnimNode_DeadBlending Dead Blending Node  
Public struct FAnimNode_Inertialization    
Public struct FAnimNode_LinkedAnimGraph    
Public struct FAnimNode_LinkedAnimLayer    
Public struct FAnimNode_LinkedInputPose    
Public struct FAnimNode_Root Root node of an animation tree (sink)  
Public struct FAnimNode_SaveCachedPose    
Public struct FAnimNode_SequencePlayer Sequence player node that can be used with constant folding.  
Public struct FAnimNode_SequencePlayer_Standalone Sequence player node that can be used standalone (without constant folding)  
Public struct FAnimNode_SequencePlayerBase Sequence player node. Not instantiated directly, use FAnimNode_SequencePlayer or FAnimNode_SequencePlayer_Standalone.  
Public struct FAnimNode_SingleNode Local anim node for extensible processing.  
Public struct FAnimNode_StateMachine State machine node.  
Public struct FAnimNode_StateResult Root node of an state machine state (sink node).  
Public struct FAnimNode_TransitionPoseEvaluator Animation data node for state machine transitions.  
Public struct FAnimNode_TransitionResult Root node of a state machine transition graph.  
Public struct FAnimNode_UseCachedPose    
Public struct FAnimNodeAlphaOptions Alpha blending options helper functions for anim nodes Assumes that the specified node contains the members: AlphaInputType, ActualAlpha, AlphaScaleBias, Alpha, bAlphaBoolEnabled, AlphaCurveName  
Public struct FAnimNodeConstantData Any constant class data an anim node uses should be derived from this type.  
Public struct FAnimNodeData Any constant/folded class data an anim node can be accessed via this struct.  
Public struct FAnimNodeFunctionRef Cached function name/ptr that is resolved at init time  
Public struct FAnimNodeReference A reference to an anim node. Does not persist, only valid for the call in which it was retrieved.  
Public struct FAnimNodeRelevancyStatus Relevancy status of a animation node tracked by this subsystem.  
Public struct FAnimNodeStructData Data about editor-side struct property indices.  
Public struct FAnimNodeTracker DEPRECATED - This system is now supplanted by UE::Anim::FMessageStack Utility container for tracking a stack of ancestor nodes by node type during graph traversal This is not an exhaustive list of all visited ancestors.  
Public struct FAnimNotifyArray    
Public struct FAnimNotifyContext    
Public class FAnimNotifyEndDataContext Notify Context Data containing if the notify state reached the end or was cancelled This is useful i.e When there's simultaneous instances of the same montage, to trigger start/end events of its notify states.  
Public struct FAnimNotifyEvent Triggers an animation notify.  
Public struct FAnimNotifyEventReference    
Public class FAnimNotifyMirrorContext    
Public class FAnimNotifyMontageInstanceContext Notify Context Data containing the Instance ID of the montage that triggered this notify This is useful i.e When there's simultaneous instances of the same montage, to trigger start/end events of its notify states.  
Public struct FAnimNotifyQueue    
Public class FAnimNotifyStateMachineContext    
Public struct FAnimNotifyTrack Keyframe position data for one track.  
Public struct FAnimParentNodeAssetOverride    
Public class FAnimPhys Lightweight rigid body motion solver (no collision) used for cosmetic secondary motion in an animation graph without invoking something heavier like using PhysX to simulate constraints which could be cost prohibitive  
Public class FAnimPhysAngularLimit Angular limit, keeps angular torque around an axis within a defined range  
Public class FAnimPhysLimit Base class for constraint limits  
Public class FAnimPhysLinearLimit    
Public struct FAnimPhysPose Defines a transform (Position/Orientation) for an anim phys object without scaling  
Public class FAnimPhysRigidBody A collection of shapes grouped for simulation as a rigid body  
Public struct FAnimPhysShape    
Public struct FAnimPhysSpring    
Public class FAnimPhysState Defines a single closed, convex shape within the rigid body  
Public struct FAnimPhysWindData Simple struct holding wind params passed into simulation  
Public struct FAnimPoseContext    
Public struct FAnimPoseDecompressionData Struct containing the generated pairs to decompress a Pose, with the output atoms arranged in separate arrays  
Public struct FAnimSegment This is anim segment that defines what animation and how  
Public struct FAnimSequenceDecompressionContext Encapsulates decompression related data used by bone compression codecs.  
Public struct FAnimSequenceTrackContainer These two always should go together, but it is not right now.  
Public struct FAnimSetMeshLinkup This is a mapping table between each bone in a particular skeletal mesh and the tracks of this animation set.  
Public struct FAnimSingleNodeInstanceProxy Proxy override for this UAnimInstance-derived class  
Public struct FAnimSlotGroup    
Public class FAnimStreamableChunk    
Public struct FAnimSubsystem Base structure for all anim subsystem class data  
Public struct FAnimSubsystem_Base Provides common built-in anim node functionality as a subsystem  
Public struct FAnimSubsystem_BlendSpaceGraph    
Public struct FAnimSubsystem_PropertyAccess    
Public struct FAnimSubsystem_SharedLinkedAnimLayers Data for shared linked anim instances module.  
Public struct FAnimSubsystem_Tag Allows anim nodes to be tagged by name at edit time and retrieved by tag at runtime  
Public struct FAnimSubsystemContext    
Public struct FAnimSubsystemInstance Base structure for all anim subsystem instance data  
Public struct FAnimSubsystemInstance_NodeRelevancy Allows anim node's relevancy (when they receive and lose weight in the graph) to be tracked  
Public struct FAnimSubsystemInstanceContext    
Public struct FAnimSubsystemLinkContext    
Public struct FAnimSubsystemParallelUpdateContext    
Public struct FAnimSubsystemPostLoadContext    
Public struct FAnimSubsystemPostLoadDefaultsContext    
Public struct FAnimSubsystemUpdateContext    
Public struct FAnimSync Wraps up functionality for ticking and syncing animations according to group (via normalized time) or marker.  
Public struct FAnimSyncDebugInfo Debug info for a sync group scope request.  
Public class FAnimSyncGroupScope Scoped graph message used to synchronize animations at various points in an anim graph.  
Public struct FAnimSyncMarker    
Public struct FAnimSyncParams Parameters for group/marker-based sync.  
Public struct FAnimTickRecord Information about an animation asset that needs to be ticked  
Public struct FAnimTrack This is list of anim segments for this track For now this is only one TArray, but in the future we should define more transition/blending behaviors  
Public struct FAnimUpdateContext    
Public struct FAnimWeight Structure for all Animation Weight helper functions.  
Public struct FArcToHexString Helper for buiilding DDC keys of settings.  
Public struct FAssetMapping This defines one asset mapping  
Public class FAsyncCompressedAnimationsManagement    
Public struct FAttributeBlendData    
Public struct FAttributeCurve    
Public struct FAttributeId Runtime identifier for an attribute  
Public struct FAttributeKey    
Public struct FAttributes Built-in attributes that most nodes will share.  
Public struct FAxisOption    
Public struct FBakedAnimationState    
Public struct FBakedAnimationStateMachine    
Public struct FBakedCustomAttributePerBoneData Structure describing baked custom attributes for a single bone (index)  
Public struct FBakedFloatCustomAttribute (Baked) float custom attribute, uses FSimpleCurve for evaluation instead of FVariant array  
Public struct FBakedIntegerCustomAttribute (Baked) int32 custom attribute, uses FIntegralCurve for evaluation instead of FVariant array  
Public struct FBakedStateExitTransition    
Public struct FBakedStringCustomAttribute (Baked) string custom attribute, uses FStringCurve for evaluation instead of FVariant array  
Public struct FBaseBlendedCurve_DEPRECATED Deprecated base for TBaseBlendedCurve for legacy support We need to use this non-templated base to avoid the deprecated (and now static) members taking up per-instance memory  
Public struct FBlendedCurve    
Public struct FBlendedHeapCurve    
Public struct FBlendFilter    
Public struct FBlendParameter    
Public struct FBlendProfileBoneEntry A single entry for a blend scale within a profile, mapping a bone to a blendscale  
Public struct FBlendSample Sample data  
Public struct FBlendSampleData Transform definition  
Public struct FBlendSpaceBlendProfile    
Public struct FBlendSpaceData The runtime data used for interpolating.  
Public struct FBlendSpaceSegment This is the runtime representation of a segment which stores its vertices (start and end) in normalized space.  
Public struct FBlendSpaceTriangle This is the runtime representation of a triangle.  
Public struct FBlendSpaceTriangleEdgeInfo    
Public class FBoneData Encapsulates commonly useful data about bones.  
Public struct FBoneNode Each Bone node in BoneTree  
Public struct FBoneReductionSetting    
Public struct FBoneReference    
Public struct FBoneSocketTarget    
Public struct FBranchingPoint Remove FBranchingPoint when VER_UE4_MONTAGE_BRANCHING_POINT_REMOVAL is removed.  
Public struct FBranchingPointMarker AnimNotifies marked as BranchingPoints will create these markers on their Begin/End times.  
Public struct FBuildRawPoseScratchArea    
Public struct FBulkCurveFlags Named value array used for bulk storage of curve flags  
Public struct FBulkCurves Named value array used for bulk get/set of curves.  
Public struct FCachedAnimAssetPlayerData    
Public struct FCachedAnimRelevancyData    
Public struct FCachedAnimStateArray    
Public struct FCachedAnimStateData This file contains a number of helper structures that can be used to process state-machine- related data in C++.  
Public struct FCachedAnimTransitionData    
Public struct FCachedFloatCurve    
Public struct FCachedPoseIndices Wrapper struct as we dont support nested containers  
Public struct FCachedPoseScope RAII helper for cached pose lifetimes (as they are stored on the mem stack)  
Public class FCachedPoseSkippedUpdateHandler Event that can be subscribed to receive skipped updates when a cached pose is run.  
Public struct FCancelCompressionSignal Mechanism for cancelling in flight compression.  
Public struct FComponentSpacePose A pose in component space (i.e. each transform is relative to the component's transform)  
Public struct FComponentSpacePoseContext Evaluation context passed around during animation tree evaluation  
Public struct FComponentSpacePoseLink A component-space pose link to another node  
Public struct FCompositeSection Section data for each track.  
Public struct FCompressedAnimDataBase    
Public struct FCompressedAnimSequence    
Public struct FCompressedOffsetData    
Public struct FCompressedOffsetDataBase    
Public struct FCompressedTrack    
Public struct FCompressibleAnimData    
Public struct FCompressibleAnimDataResult    
Public class FCompressionMemorySummary    
Public struct FCurveElement An element for a named curve value.  
Public struct FCurveElementFlags An element for named curve flags.  
Public struct FCurveElementIndexed An element for a named curve value that is also indexed.  
Public struct FCurveFilter Named value array that can act as a filter, creating allow/deny lists of curve names  
Public struct FCurveFilterElement    
Public struct FCurveMetaData Curve Meta Data for each name Unfortunately this should be linked to FName, but no GUID because we don't have GUID in run-time We only add this if anything changed, by default, it is attribute curve  
Public struct FCurveTrack Key frame curve data for one track CurveName: Morph Target Name CurveWeights: List of weights for each frame  
Public struct FCurveUtils    
Public struct FCustomAttribute    
Public struct FCustomAttributePerBoneData Structure describing custom attributes for a single bone (index)  
Public struct FCustomAttributeSetting    
Public struct FCustomAttributesRuntime    
Public struct FDeltaTimeRecord Used when sampling a given animation asset, this structure will contain the previous frame's internal sample time alongside the 'effective' delta time leading into the current frame.  
Public struct [FDeprecationMsg__LINE__](API\Runtime\Engine\Animation\FDeprecationMsg__LINE) Note that this file is now deprecated, and all functionality has moved to BlendSpace.  
Public struct FEditorElement Each elements in the grid  
Public struct FEncounteredStateMachineStack    
Public struct FErrorTrackerWorstAnimation    
Public struct FErrorTrackerWorstBone    
Public struct FExposedValueCopyRecord    
Public struct FExposedValueHandler An exposed value updater.  
Public struct FFinishBuildMorphTargetData Data to cache serialization results for async asset building  
Public struct FFloatAnimationAttribute Attribute type supporting the legacy TVariant atttributes  
Public struct FFloatCurve    
Public struct FGraphAssetPlayerInformation Contains indices for any Asset Player nodes found for a specific Name Anim Graph (only and specifically harvested for Anim Graph Layers and Implemented Anim Layer Graphs)  
Public struct FGraphTraversalCounter    
Public struct FGridBlendSample Result of how much weight of the grid element  
Public struct FHeapAttributeContainer    
Public struct FHeapAttributeContainerAccessor    
Public struct FImportedSkinWeightProfileData Editor only representation of a Skin Weight profile, stored as part of FSkeletalMeshLODModel, used as a base for generating the runtime version (FSkeletalRenderDataSkinWeightProfilesData)  
Public struct FInertializationBoneDiff    
Public struct FInertializationCurve    
Public struct FInertializationCurveDiffElement    
Public struct FInertializationPose    
Public struct FInertializationPoseDiff    
Public struct FInertializationRequest    
Public struct FInputAlphaBoolBlend    
Public struct FInputClampConstants Input modifier with clamping and interpolation.  
Public struct FInputClampState Mutable state struct to be used with FInputClampConstants.  
Public struct FInputRange    
Public struct FInputScaleBias Input modifier with scaling and biasing.  
Public struct FInputScaleBiasClamp Input modifier with remapping, scaling, biasing, clamping, and interpolation.  
Public struct FInputScaleBiasClampConstants    
Public struct FInputScaleBiasClampState Mutable state struct to be used with FInputScaleBiasClampConstants.  
Public struct FIntegerAnimationAttribute Attribute type supporting the legacy TVariant atttributes  
Public struct FInterpolationParameter    
Public struct FLinkedAnimLayerClassData Linked layer class info.  
Public struct FLinkedAnimLayerInstanceData Linked layer instance info.  
Public struct FLoadedAnimationChunk    
Public struct FLocalSpacePose A pose in local space (i.e. each transform is relative to its parent)  
Public struct FMarkerPair    
Public struct FMarkerSyncAnimPosition Represent a current play position in an animation based on sync markers  
Public struct FMarkerSyncData    
Public class FMarkerTickContext    
Public struct FMarkerTickRecord    
Public struct FMaxErrorStatTracker Logic for tracking top N error items for later display.  
Public struct FMeshAttributeContainer    
Public struct FMessageStack Stack of tags & events used to track context during graph execution.  
Public struct FMirrorFindReplaceExpression Find and Replace expressions used to generate mirror tables  
Public class FMirrorSyncScope Scoped graph message used to synchronize mirroring.  
Public struct FMirrorTableRow Base Mirror Table containing all data required by the animation mirroring system.  
Public struct FMontageActiveSlotTracker Tracks state of active slot nodes in the graph  
Public struct FMontageBlendSettings Montage blend settings. Can be used to overwrite default Montage settings on Play/Stop  
Public struct FMontageEvaluationState    
Public struct FMontageSubStepper Helper struct to sub step through Montages when advancing time.  
Public struct FMorphTargetDelta Morph mesh vertex data used for rendering  
Public struct FMorphTargetLODModel Mesh data for a single LOD model of a morph target  
Public struct FNamedColor A named color  
Public struct FNamedCurveValue Name/value pair for retrieving curve values  
Public struct FNamedFloat A named float  
Public struct FNamedIndexElement Name/index pair, used in FBulkCurves  
Public struct FNamedTransform A named transform  
Public struct FNamedValueArrayUtils    
Public struct FNamedVector A named float  
Public struct FNameMapping    
Public struct FNativeStateBinding Binding allowing native notification of state changes  
Public struct FNativeTransitionBinding Binding allowing native transition rule evaluation  
Public struct FNodeDataId Identifier used to access folded node data.  
Public struct FNodeDebugData    
Public struct FNodeFunctionCaller Wrapper used to call anim node functions.  
Public struct FNodeItem Node Information to save with  
Public class FNonBlendableAttributeBlendOperator    
Public struct FNonBlendableFloatAnimationAttribute    
Public struct FNonBlendableIntegerAnimationAttribute    
Public struct FNonBlendableQuaternionAnimationAttribute    
Public struct FNonBlendableTransformAnimationAttribute    
Public struct FNonBlendableVectorAnimationAttribute    
Public class FOnAllMontageInstancesEndedMCDelegate Delegate for when all montage instances have ended.  
Public class FOnMontageBlendingOutStartedMCDelegate Delegate for when Montage started to blend out, whether interrupted or finished DesiredWeight of this montage becomes 0.f, but this still contributes to the output pose  
Public class FOnMontageEndedMCDelegate Delegate for when Montage is completed, whether interrupted or finished Weight of this montage is 0.f, so it stops contributing to output pose  
Public class FOnMontageStartedMCDelegate Delegate for when Montage is started  
Public struct FParallelEvaluationData    
Public struct FPassedMarker    
Public struct FPerBoneBlendWeight    
Public struct FPerBoneBlendWeights    
Public struct FPerBoneInterpolation    
Public class FPlayMontageAnimNotifyDelegate Delegate called by 'PlayMontageNotify' and 'PlayMontageNotifyWindow'  
Public struct FPoseAssetInfluence    
Public struct FPoseAssetInfluences    
Public struct FPoseContext Evaluation context passed around during animation tree evaluation  
Public struct FPoseCurve Pose Curve container for extraction This is used by pose anim node Saves Name/PoseIndex/Value of the curve  
Public struct FPoseData Pose data  
Public struct FPoseDataContainer Pose data containerContains animation and curve for all poses  
Public struct FPoseLink A local-space pose link to another node  
Public struct FPoseLinkBase A pose link to another node  
Public struct FPoseSnapshot A pose for a skeletal mesh  
Public class FPostEvaluateAnimEvent    
Public struct FPreviewAssetAttachContainer Component which deals with attaching assets  
Public struct FPreviewAttachedObjectPair This is a component used by USkeleton and USkeletalMesh to deal with attaching assets to sockets or bonesPreview items that are attached to the skeleton  
Public struct FQuaternionAnimationAttribute    
Public struct FQueuedAsyncCompressionWork An animation waiting to be compressed.  
Public struct FQueuedDrawDebugItem    
Public struct FQueuedMontageBlendingOutEvent Helper struct to store a Queued Montage BlendingOut event.  
Public struct FQueuedMontageEndedEvent Helper struct to store a Queued Montage Ended event.  
Public struct FRawAnimSequenceTrack Raw keyframe data for one track.Each array will contain either NumFrames elements or 1 element.  
Public struct FRawCurveTracks Raw Curve data for serialization  
Public struct FRawSkinWeight Editor only skin weight representation  
Public struct FReferencePose This is a mapping table between bone in a particular skeletal mesh and bone of this skeleton set.  
Public struct FRequestAnimCompressionParams Param structure for UAnimSequence::RequestAnimCompressionParams  
Public struct FRetargetingScope    
Public struct FRetargetTracking    
Public struct FRigConfiguration    
Public struct FRootMotionExtractionStep Struct defining a RootMotionExtractionStep.  
Public struct FRootMotionMovementParams Utility struct to accumulate root motion.  
Public struct FRootMotionReset    
Public struct FRotationTrack Keyframe rotation data for one track.  
Public struct FRuntimeSkinWeightProfileData Runtime structure containing the set of override weights and the associated vertex indices  
Public struct FScaleTrack Keyframe scale data for one track.  
Public class FScopedAnimNodeTracker DEPRECATED - This system is now supplanted by UE::Anim::FMessageStack - Helper RAII object to cleanup a node added to the node tracker  
Public struct FScopedCompressionGuard RAII helper to temporarily block Animation compression requests for specified AnimationSequence.  
Public class FScopedExpectsAdditiveOverride Helper for modifying and resetting ExpectsAdditivePose on a FPoseContext.  
Public struct FScopedGraphMessage Base helper class.  
Public struct FScopedGraphTag Pushes a simple tag onto the shared context stack.  
Public struct FSetProfileRequest Describes a single skin weight profile request  
Public struct FSkeletalMeshModelVertexAttribute Editor-only representation, stored in FSkeletalMeshLODModel  
Public struct FSkeletalMeshVertexAttributeInfo A structure to store user-controllable settings for attributes  
Public struct FSkeletalMeshVertexAttributeRenderData    
Public struct FSkeletonRemapping    
Public class FSkeletonRemappingRegistry Global registry of skeleton remappings Remappings are created on-demand when calling GetRemapping.  
Public struct FSkeletonToMeshLinkup This is a mapping table between bone in a particular skeletal mesh and bone of this skeleton set.  
Public struct FSkinWeightProfileInfo Structure storing user facing properties, and is used to identify profiles at the SkeletalMesh level  
Public class FSkinWeightProfileManager    
Public class FSkinWeightProfileManagerAsyncTask Async task handling the skin weight buffer generation  
Public struct FSkinWeightProfileManagerTickFunction    
Public struct FSkinWeightProfilesData Runtime structure for keeping track of skin weight profile(s) and the associated buffer  
Public struct FSkinweightReadbackData    
Public struct FSlotAnimationTrack Each slot data referenced by Animation Slot contains slot name, and animation data  
Public struct FSlotEvaluationPose Helper struct for Slot node pose evaluation.  
Public struct FSlotNodeWeightInfo Slot node weight information - this is transient data that is used by slot node  
Public struct FSmartName    
Public struct FSmartNameContainer    
Public struct FSmartNameMapping DEPRECATED - smart names and their mappings are no longer used.  
Public struct FSmartNameMappingIterator Struct for providing access to SmartNameMapping data within FSmartNameMapping::Iterate callback functions.  
Public struct FSocketReference    
Public struct FStackAttributeContainer    
Public struct FStackAttributeContainerAccessor    
Public struct FStateMachineDebugData This structure represents debugging information for a single state machine.  
Public struct FStateMachineStateDebugData Represents the debugging information for a single state within a state machine.  
Public class FStreamableAnimPlatformData    
Public struct FStreamingAnimationData Contains everything that will be needed by a Streamable Anim that's streaming in data  
Public struct FStringAnimationAttribute Attribute type supporting the legacy TVariant attributes  
Public struct FTimecodeCustomAttributeNameSettings Settings that identify the names of custom attributes that represent the individual components of a timecode and a subframe along with a take name.  
Public struct FTimeStretchCurveInstance    
Public struct FTimeStretchCurveMarker    
Public struct FTrackToSkeletonMap We have a plan to support skeletal hierarchy.  
Public struct FTrajectorySample    
Public struct FTransformAnimationAttribute Attribute type supporting the legacy TVariant attributes  
Public struct FTransformCurve    
Public struct FTransitionEvent    
Public struct FTranslationTrack Keyframe position data for one track.  
Public struct FUECompressedAnimData    
Public struct FUECompressedAnimDataMutable    
Public struct FVectorAnimationAttribute    
Public struct FVectorCurve    
Public struct FVirtualBone    
Public struct FWeightedBlendSample    
Public class IAnimClassInterface    
Public class IAnimLayerInterface    
Public class IAnimNotifyEventContextDataInterface    
Public class IAnimRootMotionProvider Modular feature interface for AnimationWarping.  
Public class IAttributeBlendOperator Interface required to implement for user-defined blending behaviour of an animation attribute type.  
Public struct ICompressedAnimData    
Public class ICurveSourceInterface A source for curves  
Public class IGraphMessage Base class for all messages/events/scopes that are fired during execution Note that these messages are events/callbacks only, no blending is involved.  
Public class IInertializationRequester Event that can be subscribed to request inertialization-based blends.  
Public class IInterface_AnimCurveMetaData Interface for curve metadata-hosting objects  
Public class IMeshDeformerProvider Modular feature interface for mesh deformer providers.  
Public class INodeMappingProviderInterface This is interface class for providing node inforation  
Public class IPreviewCollectionInterface Preview Collection options.  
Public struct TArrayMaker Wrapper Code.  
Public struct TArrayViewMaker    
Public class TAttributeBlendOperator Default blend operator used for any registered attribute type, when no user-defined operator has been specified Using TEnableIf to select appropriate behaviour according to TAttributeTypeTraits::IsBlendable value for AttributeType template  
Public struct TAttributeContainer Runtime container for AnimationAttributes, providing a TMap like interface.  
Public struct TAttributeContainerAccessor Accessor for internal data of the TAttributeContainer.  
Public struct TAttributeTypeTraits    
Public struct TAttributeTypeTraitsBase Set of type-traits, used by the AnimationAttributes system to verify and implement certain behavior  
Public struct TBaseBlendedCurve This struct is used to create curve snap shot of current time when extracted  
Public class TMaybeMappedAllocator    
Public class TMaybeMappedArray    
Public struct TNamedValueArray Container of lazily-sorted name/value pairs.  
Public struct TNonConstArrayViewMaker    
Public struct TOptionalScopedGraphMessage Optionally pushes a message onto the shared context stack.  
Public struct TScopedGraphMessage Pushes a message onto the shared context stack.  
Public struct TWrappedAttribute Helper struct to wrap and templated operate raw memory  
Public class UAimOffsetBlendSpace Blend Space.  
Public class UAimOffsetBlendSpace1D Blend Space 1D.  
Public class UAnalysisProperties The base class for properties to be used in analysis.  
Public class UAnimationAsset    
Public class UAnimationAssetExtensions    
Public class UAnimationSettings Default animation settings.  
Public class UAnimBlueprint An Anim Blueprint is essentially a specialized Blueprint whose graphs control the animation of a Skeletal Mesh.  
Public class UAnimBlueprintGeneratedClass    
Public class UAnimBlueprintGeneratedStruct Struct type generated by the anim BP compiler.  
Public class UAnimBoneCompressionCodec Base class for all bone compression codecs.  
Public class UAnimBoneCompressionSettings This object is used to wrap a bone compression codec.  
Public class UAnimClassData    
Public class UAnimClassInterface    
Public class UAnimComposite Animation Composites serve as a way to combine multiple animations together and treat them as a single unit.  
Public class UAnimCompositeBase    
Public class UAnimCompress    
Public class UAnimCompress_BitwiseCompressOnly Bitwise animation compression only; performs no key reduction.  
Public class UAnimCompress_LeastDestructive Reverts any animation compression, restoring the animation to the raw data.  
Public class UAnimCompress_PerTrackCompression Keyframe reduction algorithm that removes keys which are linear interpolations of surrounding keys, as well as choosing the best bitwise compression for each track independently.  
Public class UAnimCompress_RemoveEverySecondKey Keyframe reduction algorithm that simply removes every second key.  
Public class UAnimCompress_RemoveLinearKeys Keyframe reduction algorithm that simply removes keys which are linear interpolations of surrounding keys.  
Public class UAnimCompress_RemoveTrivialKeys Removes trivial frames frames of tracks when position or orientation is constant over the entire animation from the raw animation data.  
Public class UAnimCurveCompressionCodec Base class for all curve compression codecs.  
Public class UAnimCurveCompressionCodec_CompressedRichCurve Stores the raw rich curves as FCompressedRichCurve internally with optional key reduction and key time quantization.  
Public class UAnimCurveCompressionCodec_UniformIndexable    
Public class UAnimCurveCompressionCodec_UniformlySampled Stores the raw rich curves as FCompressedRichCurve internally with optional key reduction and key time quantization.  
Public class UAnimCurveCompressionSettings This object is used to wrap a curve compression codec.  
Public class UAnimCurveMetaData Asset user data used to supply curve meta data for specific assets  
Public class UAnimInstance    
Public class UAnimLayerInterface An interface used to specify the inputs and outputs of an animation blueprint  
Public class UAnimMetaData Base Class for UAnimMetaData that can be implemented for each game needs this data will be saved to animation asset as well as montage sections, and you can query that data and decide what to do  
Public class UAnimMontage Any property you're adding to AnimMontage and parent class has to be considered for Child Asset  
Public class UAnimNotifyLibrary A library of commonly used functionality for Notifies, exposed to blueprint.  
Public class UAnimNotifyMirrorInspectionLibrary A library of commonly used functionality for Notifies related to mirroring, exposed to blueprint.  
Public class UAnimNotifyStateMachineInspectionLibrary A library of commonly used functionality for Notifies related to state machines, exposed to blueprint.  
Public class UAnimSequence    
Public class UAnimSequenceBase    
Public class UAnimSet    
Public class UAnimSingleNodeInstance    
Public class UAnimStateMachineTypes    
Public class UAnimStreamable    
Public class UAssetMappingTable UAssetMappingTable : that has AssetMappingTableging data  
Public class UBlendProfile A blend profile is a set of per-bone scales that can be used in transitions and blend lists to tweak the weights of specific bones.  
Public class UBlendSpace Allows multiple animations to be blended between based on input parameters  
Public class UBlendSpace1D Blend Space 1D.  
Public class UBuiltInAttributesExtensions    
Public class UCachedAnimDataLibrary A library of commonly used functionality from the CachedAnimData family, exposed to blueprint.  
Public class UCurveSourceInterface    
Public class UInterface_AnimCurveMetaData    
Public class UMeshDeformer Base class for mesh deformer assets.  
Public class UMeshDeformerInstance Base class for mesh deformers instances.  
Public class UMeshDeformerInstanceSettings Base class for mesh deformers instance settings.  
Public class UMirrorDataTable Data table for mirroring bones, notifies, and curves.  
Public class UMorphTarget    
Public class UNodeMappingContainer Node Mapping Container Class This saves source items, and target items, and mapping between Used by Retargeting, Control Rig mapping.  
Public class UNodeMappingProviderInterface    
Public class UPoseAsset Pose Asset that can be blended by weight of curves  
Public class UPreviewCollectionInterface    
Public class URawAnimSequenceTrackExtensions    
Public class USkeleton USkeleton : that links between mesh and animation  
Public class UVariableFrameStrippingSettings This is a wrapper for the Variable frame stripping Codec.  

Constants

Name Description
UE::Anim::Compression::AnimationCompressionVersionString This is a version string that mimics the old versioning scheme.

Typedefs

Name Description
FSlotInertializationRequest  

Enums

  Type Name Description
Public enum EAnimEventTriggerOffsets::Type    
Public enum EAnimGroupRole::Type    
Public enum EAnimLinkMethod::Type Supported types of time for a linked element  
Public enum EAnimNotifyEventType::Type    
Public enum EAxisOption::Type    
Public enum EBoneTranslationRetargetingMode::Type Bone translation retargeting mode.  
Public enum EComponentType::Type The transform component (attribute) to read from.  
Public enum ECurveBlendOption::Type    
Public enum EDrawDebugItemType::Type    
Public enum EEvaluatorDataSource::Type Indicates which state is being evaluated by this node (source or destination).  
Public enum EEvaluatorMode::Mode Determines the behavior this node will use when updating and evaluating.  
Public enum EMirrorFindReplaceMethod::Type Find and Replace Method for FMirrorFindReplaceExpression.  
Public enum EMirrorRowType::Type Type referenced by a row in the mirror data table  
Public enum EMontageNotifyTickType::Type Ticking method for AnimNotifies in AnimMontages.  
Public enum ENotifyFilterType::Type Filtering method for deciding whether to trigger a notify.  
Public enum ENotifyTriggerMode::Type    
Public enum EPinHidingMode::Type The display mode of editable values on an animation node.  
Public enum EPropertySearchMode::Type    
Public enum ERootMotionMode::Type    
Public enum ERootMotionRootLock::Type Root Bone Lock options when extracting Root Motion.  
Public enum ETransitionBlendMode::Type    
Public enum ETransitionLogicType::Type    
Public enum MarkerIndexSpecialValues::Type    
Public enum UE::Anim::ECurveElementFlags Flags for each curve element.  
Public enum UE::Anim::ECurveFilterFlags Flags for each curve filter element.  
Public enum UE::Anim::ECurveFilterMode The various ways curves can be filtered.  
Public enum UE::Anim::ENamedValueUnionFlags Flags passed during union operations.  

Functions

  Type Name Description
Public function bool

UE::Anim::AddTypedCustomAttribute ( const FName& AttributeName,
const FName& BoneName,
UAnimSequenceBase* AnimSequenceBase,
TArrayView< const float > Keys,
TArrayView< const ValueType > Values,
bool bShouldTransact
)

 Helper functionality allowing the user to add an attribute with a typed value array
Public function bool Adds an additional animated frame to match with the first animated frame, attempting to make it loop
Public function void

UE::Anim::AnimationData::DuplicateKeys ( UAnimSequence* InSequence,
int32 StartKeyIndex,
int32 NumDuplicates,
int32 SourceKeyIndex
)

 Insert duplicate key(s) for all tracks for the provided Animation Sequence
Public function Static int32

UE::Anim::AnimationData::FindFirstChildTrackIndex ( const UAnimSequence* InSequence,
const USkeleton* Skeleton,
const FName& BoneName
)

 FindFirstChildTrackIndex has been deprecated, use FindFirstChildTrackName instead
Public function FName

UE::Anim::AnimationData::FindFirstChildTrackName ( const UAnimSequence* InSequence,
const USkeleton* Skeleton,
const FName& BoneName
)

 Finds the name of the first child track (bone) for the provided bone name
Public function void

UE::Anim::AnimationData::RemoveKeys ( UAnimSequence* InSequence,
int32 StartKeyIndex,
int32 NumKeysToRemove
)

 Remove a number of keys for all tracks for the provided Animation Sequence
Public function bool

UE::Anim::AnimationData::Trim ( UAnimSequence* InSequence,
float TrimStart,
float TrimEnd,
bool bInclusiveEnd
)

 Trim a specific window from the animation data
Public function Static FName  
Public function void

UE::Anim::BuildPoseFromModel ( const IAnimationDataModel* Model,
FCompactPose& OutPose,
const float Time,
const EAnimInterpolationType& InterpolationType,
const FName& RetargetSource,
const TArray< FTransform >& RetargetTransforms
)

 Use BuildPoseFromModel with different signature instead
Public function void

UE::Anim::BuildPoseFromModel ( const IAnimationDataModel* Model,
FAnimationPoseData& OutPoseData,
const double Time,
const EAnimInterpolationType& InterpolationType,
const FName& RetargetSource,
const TArray< FTransform >& RetargetTransforms
)

 Populates a FAnimationPoseData according to the data stored within a IAnimationDataModel provided a time to sample.
Public function bool

UE::Anim::Compression::CompressAnimationDataTracks ( TArray< FRawAnimSequenceTrack >& RawAnimationData,
int32 NumberOfKeys,
FName ErrorName,
float MaxPosDiff,
float MaxAngleDiff
)

 Compress the provided tracks using two methods.
Public function bool

UE::Anim::Compression::CompressRawAnimSequenceTrack ( FRawAnimSequenceTrack& RawTrack,
int32 NumberOfKeys,
FName ErrorName,
float MaxPosDiff,
float MaxAngleDiff
)

 Compress the provided track by checking for uniform key data according to the provided error metrics
Public function void Sanitize the provided track by snapping small scale values to 0, and normalizing any rotational keys
Public function FCompactPoseBoneIndex  
Public function FMeshPoseBoneIndex  
Public function BoneIndexTypeB

UE::Anim::Conversion::MakeIndex ( BoneIndexTypeA BoneIndex,
const FBoneContainer& BoneContainer
)

  
Public function void

UE::Anim::CopyCurveDataToModel ( const FRawCurveTracks& CurveData,
const USkeleton* Skeleton,
IAnimationDataController& Controller
)

 Copies over any individual curve from FRawCurveTracks to a IAnimationDataModel instance targeted by the provided controller.
Public function bool

UE::Anim::CopyNotifies ( const UAnimSequenceBase* SourceAnimSeq,
UAnimSequenceBase* DestAnimSeq,
bool bShowDialogs,
bool bDeleteExistingNotifies
)

 Copies over any individual curve from FRawCurveTracks to a IAnimationDataModel instance targeted by the provided controller.
Public function void Populates float curves according to the data stored within a IAnimationDataModel provided a time to sample.
Public function void

UE::Anim::EvaluateTransformCurvesFromModel ( const IAnimationDataModel* Model,
TMap< FName, FTransform >& OutCurves,
double Time,
float BlendWeight
)

 Populates transform curves according to the data stored within a IAnimationDataModel provided a time to sample.
Public function void

UE::Anim::ExtractBoneTransform ( const FRawAnimSequenceTrack& RawTrack,
FTransform& OutTransform,
int32 KeyIndex
)

 Extract Bone Transform of the Time given, from the provided FRawAnimSequenceTrack
Public function void

UE::Anim::GetBoneTransformFromModel ( const IAnimationDataModel* Model,
FTransform& OutTransform,
int32 TrackIndex,
int32 KeyIndex
)

 GetBoneTransformFromModel with TrackIndex has been deprecated, use IAnimationDataModel::GetBoneTrackTransform instead
Public function void

UE::Anim::GetBoneTransformFromModel ( const IAnimationDataModel* Model,
FTransform& OutTransform,
int32 TrackIndex,
double Time,
const EAnimInterpolationType& Interpolation
)

 GetBoneTransformFromModel with TrackIndex has been deprecated, use IAnimationDataModel::GetBoneTrackTransform instead
Public function constexpr bool  
Public function constexpr bool  
Public function constexpr ECurveElementFlags  
Public function constexpr ECurveFilterFlags  
Public function ECurveFilterFlags &  
Public function ECurveElementFlags &  
Public function constexpr ECurveElementFlags  
Public function constexpr ECurveFilterFlags  
Public function ECurveElementFlags &  
Public function ECurveFilterFlags &  
Public function constexpr ECurveFilterFlags  
Public function constexpr ECurveElementFlags  
Public function ECurveFilterFlags &  
Public function ECurveElementFlags &  
Public function constexpr ECurveFilterFlags  
Public function constexpr ECurveElementFlags  
Public function void

UE::Anim::Retargeting::RetargetPose ( FCompactPose& InOutPose,
const FName& RetargetSource,
const TArray< FTransform >& RetargetTransforms
)

 UE::Anim::Retargeting::RetargetPose has been deprecated as retargeting while evaluating pose data from a DataModel is now handled/performed implicitly
Public function void

UE::Animation::Private::OnInvalidMaybeMappedAllocatorNum ( int32 NewNum,
SIZE_T NumBytesPerElement
)

  
Public function FString  
Public function FName  

Variables

  Type Name Description
Public variable const float AngularDamping Damping for angular momentum (1 = critically damped)
Public variable TAutoConsoleVariable< bool > CVarOutputMontageFrameRateWarning  
Public variable const float DefaultSpringConstantAngular  
Public variable const float DefaultSpringConstantLinear  
Public variable const float JointBiasFactor Added bias for angular joints.
Public variable const float LinearDamping Damping for linear momentum (1 = critically damped)
Public variable constexpr UID_Type MaxUID Max UID used for overflow checking.
Public variable const FString VirtualBonePrefix  

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