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  3. FHairStrandsDeformedResource

FHairStrandsDeformedResource

API > API/Plugins > API/Plugins/HairStrandsCore

Inheritance Hierarchy

References

   
Module HairStrandsCore
Header /Engine/Plugins/Runtime/HairStrands/Source/HairStrandsCore/Public/GroomResources.h
Include #include "GroomResources.h"

Syntax

struct FHairStrandsDeformedResource : public FHairCommonResource

Variables

  Type Name Description
Public variable FHairStrandsBulkData & BulkData Reference to the hair strands render data
Public variable uint32 CurrentIndex Whether the GPU data should be initialized with the asset data or not
Public variable const EHairStrandsResourcesType CurveType Type of curves
Public variable FRDGExternalBuffer[2] DeformedOffsetBuffer Strand hair deformed position buffer (previous and current)
Public variable FRDGExternalBuffer[2] DeformedPositionBuffer Strand hair deformed position buffer (previous and current)
Public variable FRDGExternalBuffer DeformerBuffer Strand hair deformer buffer. This buffer is optionally created & filled in by a mesh deformer
Public variable FRDGExternalBuffer DeformerCurveAttributeBuffer  
Public variable FRDGExternalBuffer DeformerPointAttributeBuffer  
Public variable FVector[2] PositionOffset Position offset as the deformed positions are expressed in relative coordinate (16bits)
Public variable FRDGExternalBuffer TangentBuffer Strand hair tangent buffer
Public variable uint32[2] UniqueViewIDs Track the view which has update the formed position.

Constructors

  Type Name Description
Public function  

FHairStrandsDeformedResource ( FHairStrandsBulkData& BulkData,
EHairStrandsResourcesType CurveType,
const FHairResourceName& ResourceName,
const FName& OwnerName
)

 Build the hair strands resource

Functions

  Type Name Description
Public function FRDGExternalBuffer &  
Public function FRDGExternalBuffer &

GetDeformerBuffer ( FRDGBuilder& GraphBuilder
)

 Return deformer buffers.
Public function FRDGExternalBuffer &  
Public function FRDGExternalBuffer &  
Public function Const uint32 Helper accessors.
Public function Const const FVector &  
Public function FVector &  
Public function FRDGExternalBuffer &  
Public function Const uint32 Return the memory size for GPU resources
Public function uint32 &  
Public function Const uint32  
Public function void

SetPositionOffset ( EFrameType T,
const FVector& Offset
)

  
Public function void  

Overridden from FHairCommonResource

  Type Name Description
Public function Virtual void

InternalAllocate ( FRDGBuilder& GraphBuilder,
uint32 InCurveCount,
uint32 InPointCount
)

 Init/Release buffers
Public function Virtual void  

Overridden from FRenderResource

  Type Name Description
Public function Virtual Const FString Get the resource name

Enums

  Type Name Description
Public enum EFrameType    

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