1. Epic GamesDeveloper
  3. FGroomBuilder

FGroomBuilder

Data flow overview

API > API/Plugins > API/Plugins/HairStrandsCore

Data flow overview

HairDescription -> HairDescriptionGroups (HairStrandsRawData) -> HairStrandsData -> HairStrandsBulkData* -> HairStrandsInterpolationData ->HairStrandsInterpolationBulkData* -> HairStrandsClusterData*

  • Data used at runtime. Other type of data are intermediate data used only during building/within the editor
   
Name FGroomBuilder
Type struct
Header File /Engine/Plugins/Runtime/HairStrands/Source/HairStrandsCore/Public/GroomBuilder.h
Include Path #include "GroomBuilder.h"

Syntax

struct FGroomBuilder

Functions

Static

Name Remarks Include Path Unreal Specifiers

static void BuildBulkData ( const FHairGroupInfo& InInfo,
const FHairStrandsDatas& InData,
FHairStrandsBulkData& OutBulkData,
bool bAllowCompression
)

 Build bulk data from a FHairStrandsDatas (Strands / Guides) GroomBuilder.h  

static void BuildClusterBulkData ( const FHairStrandsDatas& InRenData,
const float InGroomAssetRadius,
const FHairGroupsLOD& InSettings,
FHairStrandsClusterBulkData& OutClusterData
)

 Build cluster data GroomBuilder.h  

static void BuildData ( const FHairStrandsRawDatas& In,
FHairStrandsDatas& Out
)

 2.b Build FHairStrandsDatas from a FHairStrandsRawDatas (Strands / Guides) GroomBuilder.h  

static void BuildData ( const FHairDescriptionGroup& InHairDescriptionGroup,
const FHairGroupsInterpolation& InSettings,
FHairStrandsDatas& OutStrands,
FHairStrandsDatas& OutGuides,
const bool bAllowCurveReordering,
const bool bApplyDecimation,
const bool bBuildSourceMapping
)

   GroomBuilder.h  

static void BuildData ( const FHairDescriptionGroup& InHairDescriptionGroup,
const FHairGroupsInterpolation& InSettings,
FHairGroupInfo& OutGroupInfo,
FHairStrandsDatas& OutStrands,
FHairStrandsDatas& OutGuides,
const bool bAllowCurveReordering,
const bool bApplyDecimation,
const bool bBuildSourceMapping
)

 2.a Build FHairStrandsDatas from HairDescriptionGroups(HairStrandsRawData) and DecimationSettings (Strands / Guides) GroomBuilder.h  

static bool BuildHairDescriptionGroups ( const FHairDescription& HairDescription,
FHairDescriptionGroups& Out,
const bool bAllowAddEndControlPoint
)

 Build hair group description based on the hair description. This builds HairStrandsRawData. GroomBuilder.h  

static void BuildInterplationBulkData ( const FHairStrandsDatas& InSimData,
const FHairStrandsInterpolationDatas& InInterpolationData,
FHairStrandsInterpolationBulkData& OutInterpolationData
)

 Build interplation bulk data GroomBuilder.h  

static void BuildInterplationData ( const FHairGroupInfo& InInfo,
const FHairStrandsDatas& InRenData,
const FHairStrandsDatas& InSimData,
const FHairInterpolationSettings& InInterpolationSettings,
FHairStrandsInterpolationDatas& OutInterpolationData
)

 Build interplation data based on the hairStrands data GroomBuilder.h  

static void BuildRenderCurveResourceBulkData ( const FHairStrandsDatas& In,
FRenderCurveResourceData& Out
)

   GroomBuilder.h  

static FString GetVersion()

   GroomBuilder.h  

static void VoxelizeGroupIndex ( const FHairDescriptionGroups& In,
FHairStrandsVoxelData& Out
)

 Optional: Voxelize hair group index. GroomBuilder.h  

Ask questions and help your peers Developer Forums

Write your own tutorials or read those from others Learning Library

On this page