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  3. FDataflowCollectionEditSkinWeightsNode

FDataflowCollectionEditSkinWeightsNode

Edit skin weights vertex properties.

API > API/Plugins > API/Plugins/DataflowNodes

Edit skin weights vertex properties.

   
Name FDataflowCollectionEditSkinWeightsNode
Type struct
Header File /Engine/Plugins/Experimental/Dataflow/Source/DataflowNodes/Public/Dataflow/DataflowCollectionEditSkinWeightsNode.h
Include Path #include "Dataflow/DataflowCollectionEditSkinWeightsNode.h"

Syntax

USTRUCT (Meta=(Experimental, DataflowCollection))  
struct FDataflowCollectionEditSkinWeightsNode : public FDataflowPrimitiveNode

Inheritance Hierarchy

Variables

Public

Name Type Remarks Include Path Unreal Specifiers
bCompressSkinWeights bool Boolean to use a compressed format (FVector4f, FIntVector) to store the skin weights Dataflow/DataflowCollectionEditSkinWeightsNode.h
  • EditAnywhere
  • Category="Skeleton Binding"
BoneIndicesKey FCollectionAttributeKey Bone indices key to be used in other nodes if necessary Dataflow/DataflowCollectionEditSkinWeightsNode.h
  • Meta=(DisplayName="Bone Indices", DataflowInput, DataflowOutput, DataflowPassthrough="BoneIndicesKey")
BoneIndicesName FString The name to be set as a weight map attribute. Dataflow/DataflowCollectionEditSkinWeightsNode.h
  • EditAnywhere
  • Category="Vertex Attributes"
  • Meta=(DisplayName="Bone Indices")
BoneWeightsKey FCollectionAttributeKey Bone weights key to be used in other nodes if necessary Dataflow/DataflowCollectionEditSkinWeightsNode.h
  • Meta=(DisplayName="Bone Weights", DataflowInput, DataflowOutput, DataflowPassthrough="BoneWeightsKey")
BoneWeightsName FString The name to be set as a weight map attribute. Dataflow/DataflowCollectionEditSkinWeightsNode.h
  • EditAnywhere
  • Category="Vertex Attributes"
  • Meta=(DisplayName="Bone Weights")
Collection DATAFLOW_NODE_DEFINE_INTERNAL(FDataflowCollectionEditSkinWeightsNode, "EditSkinWeights", "Collection", "Edit skin weights and save it to collection") public FManagedArrayCollection   Dataflow/DataflowCollectionEditSkinWeightsNode.h
  • Meta=(DataflowInput, DataflowOutput, DataflowPassthrough="Collection")
ObjectSkeleton TObjectPtr< USkeleton > Skeletal mesh to extract the skeleton from for the skinning Dataflow/DataflowCollectionEditSkinWeightsNode.h
  • EditAnywhere
  • Category="Skeleton Binding"
OnBoneSelectionChanged FDataflowBoneSelectionChangedNotifyDelegate Delegate to transfer the bone selection to the tool Dataflow/DataflowCollectionEditSkinWeightsNode.h  
SkinWeights TArray< FDataflowSkinWeightData > List of skin weights Dataflow/DataflowCollectionEditSkinWeightsNode.h  
VertexGroup FScalarVertexPropertyGroup Target group in which the attributes are stored Dataflow/DataflowCollectionEditSkinWeightsNode.h
  • EditAnywhere
  • Category="Vertex Attributes"
  • Meta=(DisplayName="Vertex Group")

Protected

Name Type Remarks Include Path Unreal Specifiers
bValidSkeletalMeshes bool Valid skeletal mesh boolean to trigger the construction Dataflow/DataflowCollectionEditSkinWeightsNode.h  
SkeletalMeshes TArray< TObjectPtr< USkeletalMesh > > Transient skeletal mesh built from dataflow render collection Dataflow/DataflowCollectionEditSkinWeightsNode.h
  • Transient

Functions

Public

Name Remarks Include Path Unreal Specifiers

void ExtractVertexWeights ( const TArray< TArray< int32 > >& SetupIndices,
const TArray< TArray< float > >& SetupWeights,
TArrayView< TArray< int32 > > FinalIndices,
TArrayView< TArray< float > > FinalWeights
) const

 Extract the vertex weights back from the property ones Dataflow/DataflowCollectionEditSkinWeightsNode.h  

FCollectionAttributeKey GetBoneIndicesKey ( UE::Dataflow::FContext& Context
) const

 Get the weights attribute key to retrieve/set the weight values Dataflow/DataflowCollectionEditSkinWeightsNode.h  

FCollectionAttributeKey GetBoneWeightsKey ( UE::Dataflow::FContext& Context
) const

 Get the weights attribute key to retrieve/set the weight values Dataflow/DataflowCollectionEditSkinWeightsNode.h  

int32 GetSkeletalMeshOffset ( const TObjectPtr< USkeletalMesh >& SkeletalMesh
) const

 Return the collection offset given a skeletal mesh Dataflow/DataflowCollectionEditSkinWeightsNode.h  

void ReportVertexWeights ( const TArray< TArray< int32 > >& SetupIndices,
const TArray< TArray< float > >& SetupWeights,
const TArray< TArray< int32 > >& FinalIndices,
const TArray< TArray< float > >& FinalWeights
)

 Report the vertex weights back onto the property ones Dataflow/DataflowCollectionEditSkinWeightsNode.h  

void ValidateSkeletalMeshes()

 Validate the skeletal mesh construction Dataflow/DataflowCollectionEditSkinWeightsNode.h  

Static

Name Remarks Include Path Unreal Specifiers

static bool FillAttributeWeights ( const FManagedArrayCollection& SelectedCollection,
const FCollectionAttributeKey& IndicesAttributeKey,
const FCollectionAttributeKey& WeightsAttributeKey,
TArray< TArray< int32 > >& AttributeIndices,
TArray< TArray< float > >& AttributeWeights
)

 Fill the weight attribute values from the collection Dataflow/DataflowCollectionEditSkinWeightsNode.h  

static bool GetAttributeWeights ( FManagedArrayCollection& SelectedCollection,
const FCollectionAttributeKey& InBoneIndicesKey,
const FCollectionAttributeKey& InBoneWeightsKey,
TArray< TArray< int32 > >& AttributeIndices,
TArray< TArray< float > >& AttributeWeights,
const bool bCanCompressSkinWeights
)

 Get the weight attribute values and add them if not there Dataflow/DataflowCollectionEditSkinWeightsNode.h  

static bool SetAttributeWeights ( FManagedArrayCollection& SelectedCollection,
const FCollectionAttributeKey& InBoneIndicesKey,
const FCollectionAttributeKey& InBoneWeightsKey,
const TArray< TArray< int32 > >& AttributeIndices,
const TArray< TArray< float > >& AttributeWeights
)

 Set back the attribute values into the collection Dataflow/DataflowCollectionEditSkinWeightsNode.h  

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