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  3. FSkeletalMeshLODInfo

FSkeletalMeshLODInfo

Struct containing information for a particular LOD level, such as materials and info for when to use it.

API > API/Runtime > API/Runtime/Engine

Struct containing information for a particular LOD level, such as materials and info for when to use it.

   
Name FSkeletalMeshLODInfo
Type struct
Header File /Engine/Source/Runtime/Engine/Classes/Engine/SkinnedAssetCommon.h
Include Path #include "Engine/SkinnedAssetCommon.h"

Syntax

USTRUCT ()  
struct FSkeletalMeshLODInfo

Derived Classes

Constructors

Name Remarks Include Path Unreal Specifiers

FSkeletalMeshLODInfo()

   Engine/SkinnedAssetCommon.h  

Structs

Name Remarks
FThreadSafeBuildGUID Protects access to the build guid.

Variables

Public

Name Type Remarks Include Path Unreal Specifiers
BakePose TObjectPtr< UAnimSequence > Pose which should be used to reskin vertex influences for which the bones will be removed in this LOD level, uses ref-pose by default Engine/SkinnedAssetCommon.h
  • EditAnywhere
  • Category=ReductionSettings
BakePoseOverride TObjectPtr< UAnimSequence > This is used when you are sharing the LOD settings, but you'd like to override the BasePose. Engine/SkinnedAssetCommon.h
  • EditAnywhere
  • Category=ReductionSettings
bAllowCPUAccess uint8 Keeps this LODs data on the CPU so it can be used for things such as sampling in FX. Engine/SkinnedAssetCommon.h
  • EditAnywhere
  • Category=SkeletalMeshLODInfo
bAllowMeshDeformer uint8 Whether a Mesh Deformer applied to the mesh asset or Skinned Mesh Component should be used on this LOD or not Engine/SkinnedAssetCommon.h
  • EditAnywhere
  • Category=SkeletalMeshLODInfo
bBuildHalfEdgeBuffers uint8 Whether to force cache/cook half edge data that provides vertex connectivity information across material sections, which may be useful for other systems like Mesh Deformer. Engine/SkinnedAssetCommon.h
  • EditAnywhere
  • Category=SkeletalMeshLODInfo
  • Meta=(DisplayName="Force Build Half Edge Buffers", EditCondition=bAllowMeshDeformer)
bHasBeenSimplified uint8 Whether to disable morph targets for this LOD. Engine/SkinnedAssetCommon.h  
bHasPerLODVertexColors uint8   Engine/SkinnedAssetCommon.h  
bImportWithBaseMesh uint8 This boolean specify if the LOD was imported with the base mesh or not. Engine/SkinnedAssetCommon.h  
BonesToPrioritize TArray< FBoneReference > Bones which should be prioritized for the quality, this will be weighted toward keeping source data. Engine/SkinnedAssetCommon.h
  • EditAnywhere
  • Category=ReductionSettings
BonesToRemove TArray< FBoneReference > Bones which should be removed from the skeleton for the LOD level Engine/SkinnedAssetCommon.h
  • EditAnywhere
  • Category=ReductionSettings
bSupportUniformlyDistributedSampling uint8 Mesh supports uniformly distributed sampling in constant time. Engine/SkinnedAssetCommon.h
  • EditAnywhere
  • AdvancedDisplay
  • Category=SkeletalMeshLODInfo
  • Meta=(EditCondition="bAllowCPUAccess")
BuildGUID FThreadSafeBuildGUID Temporary build GUID data We use this GUID to store the LOD Key so we can know if the LOD needs to be rebuilt This GUID is set when we Cache the render data (build function) Engine/SkinnedAssetCommon.h  
BuildSettings FSkeletalMeshBuildSettings Build settings to apply when building render data. Engine/SkinnedAssetCommon.h
  • EditAnywhere
  • Category=BuildSettings
ImportedMorphTargetSourceFilename TMap< FString, FMorphTargetImportedSourceFileInfo > Store the custom import morph target source file. Engine/SkinnedAssetCommon.h
  • VisibleAnywhere
  • Category=SkeletalMeshLODInfo
LODHysteresis float Used to avoid 'flickering' when on LOD boundary. Engine/SkinnedAssetCommon.h
  • EditAnywhere
  • Category=SkeletalMeshLODInfo
  • Meta=(DisplayName="LOD Hysteresis")
LODMaterialMap TArray< int32 > Mapping table from this LOD's materials to the USkeletalMesh materials array. Engine/SkinnedAssetCommon.h  
MorphTargetPositionErrorTolerance float The Morph target position error tolerance in microns. Engine/SkinnedAssetCommon.h
  • EditAnywhere
  • Category=SkeletalMeshLODInfo
  • Meta=(UIMin="0.01", ClampMin="0.01", UIMax="10000.0", ClampMax="10000.0")
ReductionSettings FSkeletalMeshOptimizationSettings Reduction settings to apply when building render data. Engine/SkinnedAssetCommon.h
  • EditAnywhere
  • Category=ReductionSettings
ScreenSize FPerPlatformFloat ScreenSize to display this LOD. Engine/SkinnedAssetCommon.h
  • EditAnywhere
  • Category=SkeletalMeshLODInfo
SectionsToPrioritize TArray< FSectionReference > Sections which should be prioritized for the quality, this will be weighted toward keeping source data. Engine/SkinnedAssetCommon.h
  • EditAnywhere
  • Category=ReductionSettings
SkinCacheUsage ESkinCacheUsage How this LOD uses the skin cache feature. Engine/SkinnedAssetCommon.h
  • EditAnywhere
  • Category=SkeletalMeshLODInfo
SourceImportFilename FString The filename of the file tha was used to import this LOD if it was not auto generated. Engine/SkinnedAssetCommon.h
  • VisibleAnywhere
  • Category=SkeletalMeshLODInfo
  • AdvancedDisplay
VertexAttributes TArray< FSkeletalMeshVertexAttributeInfo > List of vertex attributes to include for rendering and what type they should be Engine/SkinnedAssetCommon.h
  • EditAnywhere
  • Category=SkeletalMeshLODInfo
  • AdvancedDisplay
  • EditFixedSize
  • Meta=(NoResetToDefault)
WeightOfPrioritization float How much to consideration to give BonesToPrioritize and SectionsToPrioritize. Engine/SkinnedAssetCommon.h
  • EditAnywhere
  • Category=ReductionSettings
  • Meta=(UIMin="0.0", ClampMin="0.0")

Functions

Public

Name Remarks Include Path Unreal Specifiers

FGuid ComputeDeriveDataCacheKey ( const FSkeletalMeshLODGroupSettings* SkeletalMeshLODGroupSettings
)

   Engine/SkinnedAssetCommon.h  

Deprecated Variables

Name Type Remarks Include Path Unreal Specifiers
bEnableShadowCasting_DEPRECATED TArray< bool > Per-section control over whether to enable shadow casting. Engine/SkinnedAssetCommon.h  
RemovedBones_DEPRECATED TArray< FName > This has been removed in editor. Engine/SkinnedAssetCommon.h  

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