#include "Components/SkinnedMeshComponent.h"
#include "Engine/SkinnedAsset.h"
#include "HAL/LowLevelMemStats.h"
#include "RenderingThread.h"
#include "GameFramework/PlayerController.h"
#include "ContentStreaming.h"
#include "Materials/MaterialInterface.h"
#include "UnrealEngine.h"
#include "SceneInterface.h"
#include "SkeletalRenderCPUSkin.h"
#include "SkeletalRenderGPUSkin.h"
#include "SkeletalRenderNanite.h"
#include "SkeletalRenderStatic.h"
#include "Animation/AnimStats.h"
#include "SkeletalMeshDeformerHelpers.h"
#include "Engine/MaterialOverlayHelper.h"
#include "Engine/SkeletalMeshSocket.h"
#include "Engine/SkinnedAssetCommon.h"
#include "PhysicsEngine/PhysicsAsset.h"
#include "PhysicsEngine/SkeletalBodySetup.h"
#include "Engine/CollisionProfile.h"
#include "SkeletalMeshSceneProxy.h"
#include "Animation/MeshDeformer.h"
#include "Animation/MeshDeformerInstance.h"
#include "Animation/MeshDeformerProvider.h"
#include "AnimationRuntime.h"
#include "BoneWeights.h"
#include "Animation/SkinWeightProfileManager.h"
#include "GPUSkinCache.h"
#include "PSOPrecache.h"
#include "MaterialDomain.h"
#include "Materials/Material.h"
#include "SkeletalRender.h"
#include "UObject/UE5MainStreamObjectVersion.h"
#include "UObject/UObjectIterator.h"
#include "UObject/UnrealType.h"
#include "HAL/LowLevelMemTracker.h"
#include "UObject/Package.h"
#include "Rendering/RenderCommandPipes.h"
#include "Rendering/NaniteResources.h"
#include "ProfilingDebugging/AssetMetadataTrace.h"
#include "StateStream/SkinnedMeshStateStream.h"
#include "TransformStateStream.h"
#include "ComponentRecreateRenderStateContext.h"
#include "NaniteSceneProxy.h"
#include "NaniteVertexFactory.h"
#include "Animation/MeshDeformerGeometryReadback.h"
#include "Misc/DataValidation.h"
#include "Rendering/SkeletalMeshHalfEdgeBufferAccessor.h"
#include "SkinnedMeshComponentHelper.h"

Classes
struct	FAnimUpdateRateManager::FShiftBucketParameters

struct	FAnimUpdateRateManager::FAnimUpdateRateParametersTracker

Namespaces
namespace	FAnimUpdateRateManager

Macros
#define	LOCTEXT_NAMESPACE "SkinnedMeshComponent"

Functions
	DEFINE_LOG_CATEGORY_STATIC (LogSkinnedMeshComp, Log, All)

UObject *	FAnimUpdateRateManager::GetMapIndexForComponent (USkinnedMeshComponent *SkinnedComponent)

FAnimUpdateRateParameters *	FAnimUpdateRateManager::GetUpdateRateParameters (USkinnedMeshComponent *SkinnedComponent)

void	FAnimUpdateRateManager::CleanupUpdateRateParametersRef (USkinnedMeshComponent *SkinnedComponent)

void	FAnimUpdateRateManager::AnimUpdateRateSetParams (FAnimUpdateRateParametersTracker *Tracker, float DeltaTime, bool bRecentlyRendered, float MaxDistanceFactor, int32 MinLod, bool bNeedsValidRootMotion, bool bUsingRootMotionFromEverything)

void	FAnimUpdateRateManager::AnimUpdateRateTick (FAnimUpdateRateParametersTracker *Tracker, float DeltaTime, bool bNeedsValidRootMotion)

const TCHAR *	FAnimUpdateRateManager::B (bool b)

void	FAnimUpdateRateManager::TickUpdateRateParameters (USkinnedMeshComponent *SkinnedComponent, float DeltaTime, bool bNeedsValidRootMotion)

void	CreateSectionSkinWeightsArray (const TArray< FSkelMeshSkinWeightInfo > &InSourceWeights, int32 StartIndex, int32 NumVerts, const TMap< int32, int32 > &SkelToSectionBoneMap, TArray< FSkinWeightInfo > &OutGPUWeights, TArray< int32 > &OutInvalidBones)

void	CreateSkinWeightsArray (const TArray< FSkelMeshSkinWeightInfo > &InSourceWeights, FSkeletalMeshLODRenderData &LODData, TArray< FSkinWeightInfo > &OutGPUWeights, const FReferenceSkeleton &RefSkel)

void	GetTypedSkinnedTangentBasis (const USkinnedMeshComponent *SkinnedComp, const FSkelMeshRenderSection &Section, const FStaticMeshVertexBuffers &StaticVertexBuffers, const FSkinWeightVertexBuffer &SkinWeightVertexBuffer, const int32 VertIndex, const TArray< FMatrix44f > &RefToLocals, FVector3f &OutTangentX, FVector3f &OutTangentY, FVector3f &OutTangentZ)

template<bool bCachedMatrices>
FVector3f	GetTypedSkinnedVertexPosition (const USkinnedMeshComponent *SkinnedComp, const FSkelMeshRenderSection &Section, const FPositionVertexBuffer &PositionVertexBuffer, const FSkinWeightVertexBuffer &SkinWeightVertexBuffer, const int32 VertIndex, const TArray< FMatrix44f > &RefToLocals)

template FVector3f	GetTypedSkinnedVertexPosition< true > (const USkinnedMeshComponent *SkinnedComp, const FSkelMeshRenderSection &Section, const FPositionVertexBuffer &PositionVertexBuffer, const FSkinWeightVertexBuffer &SkinWeightVertexBuffer, const int32 VertIndex, const TArray< FMatrix44f > &RefToLocals)

template FVector3f	GetTypedSkinnedVertexPosition< false > (const USkinnedMeshComponent *SkinnedComp, const FSkelMeshRenderSection &Section, const FPositionVertexBuffer &PositionVertexBuffer, const FSkinWeightVertexBuffer &SkinWeightVertexBuffer, const int32 VertIndex, const TArray< FMatrix44f > &RefToLocals)

Variables
int32	GSkeletalMeshForceLOD = -1

FAutoConsoleVariableRef	CVarSkeletalMeshForceLOD (TEXT("r.SkeletalMeshForceLOD"), GSkeletalMeshForceLOD, TEXT("Forces LOD"), ECVF_Default)

int32	GSkeletalMeshLODBias = 0

FAutoConsoleVariableRef	CVarSkeletalMeshLODBias (TEXT("r.SkeletalMeshLODBias"), GSkeletalMeshLODBias, TEXT("LOD bias for skeletal meshes (does not affect animation editor viewports)."), ECVF_Scalability)

float	GUpdateBoundsNotifyStreamingRadiusChangeRatio = 0.1f

FAutoConsoleVariableRef	CVarUpdateBoundsNotifyStreamingRadiusChangeRatio (TEXT("r.SkinnedMesh.UpdateBoundsNotifyStreamingRadiusChangeRatio"), GUpdateBoundsNotifyStreamingRadiusChangeRatio, TEXT("Update the streaming manager when the radius changes by more than this ratio since the last update. A negative value will disable the update."), ECVF_Default)

int32	GSkinnedMeshRenderNanite = 1

TMap< UObject , FAnimUpdateRateParametersTracker >	FAnimUpdateRateManager::ActorToUpdateRateParams

TAutoConsoleVariable< int32 >	CVarMeshDeformerMaxLod (TEXT("r.MeshDeformerMaxLOD"), -1, TEXT("Default is -1 (disabled).\n"), ECVF_Default)

Macro Definition Documentation

◆ LOCTEXT_NAMESPACE

#define LOCTEXT_NAMESPACE "SkinnedMeshComponent"

Function Documentation

◆ CreateSectionSkinWeightsArray()

void CreateSectionSkinWeightsArray	(	const TArray< FSkelMeshSkinWeightInfo > &	InSourceWeights,
		int32	StartIndex,
		int32	NumVerts,
		const TMap< int32, int32 > &	SkelToSectionBoneMap,
		TArray< FSkinWeightInfo > &	OutGPUWeights,
		TArray< int32 > &	OutInvalidBones
	)

Util for converting from API skin weight description to GPU format. This includes remapping from skeleton bone index to section bone index.

◆ CreateSkinWeightsArray()

void CreateSkinWeightsArray	(	const TArray< FSkelMeshSkinWeightInfo > &	InSourceWeights,
		FSkeletalMeshLODRenderData &	LODData,
		TArray< FSkinWeightInfo > &	OutGPUWeights,
		const FReferenceSkeleton &	RefSkel
	)

◆ DEFINE_LOG_CATEGORY_STATIC()

DEFINE_LOG_CATEGORY_STATIC	(	LogSkinnedMeshComp	,
		Log	,
		All
	)

◆ GetTypedSkinnedTangentBasis()

void GetTypedSkinnedTangentBasis	(	const USkinnedMeshComponent *	SkinnedComp,
		const FSkelMeshRenderSection &	Section,
		const FStaticMeshVertexBuffers &	StaticVertexBuffers,
		const FSkinWeightVertexBuffer &	SkinWeightVertexBuffer,
		const int32	VertIndex,
		const TArray< FMatrix44f > &	RefToLocals,
		FVector3f &	OutTangentX,
		FVector3f &	OutTangentY,
		FVector3f &	OutTangentZ
	)

Simple, CPU evaluation of a vertex's skinned position helper function

◆ GetTypedSkinnedVertexPosition()

template<bool bCachedMatrices>

FVector3f GetTypedSkinnedVertexPosition	(	const USkinnedMeshComponent *	SkinnedComp,
		const FSkelMeshRenderSection &	Section,
		const FPositionVertexBuffer &	PositionVertexBuffer,
		const FSkinWeightVertexBuffer &	SkinWeightVertexBuffer,
		const int32	VertIndex,
		const TArray< FMatrix44f > &	RefToLocals
	)

Simple, CPU evaluation of a vertex's skinned position helper function

◆ GetTypedSkinnedVertexPosition< false >()

template FVector3f GetTypedSkinnedVertexPosition< false >	(	const USkinnedMeshComponent *	SkinnedComp,
		const FSkelMeshRenderSection &	Section,
		const FPositionVertexBuffer &	PositionVertexBuffer,
		const FSkinWeightVertexBuffer &	SkinWeightVertexBuffer,
		const int32	VertIndex,
		const TArray< FMatrix44f > &	RefToLocals
	)

◆ GetTypedSkinnedVertexPosition< true >()

template FVector3f GetTypedSkinnedVertexPosition< true >	(	const USkinnedMeshComponent *	SkinnedComp,
		const FSkelMeshRenderSection &	Section,
		const FPositionVertexBuffer &	PositionVertexBuffer,
		const FSkinWeightVertexBuffer &	SkinWeightVertexBuffer,
		const int32	VertIndex,
		const TArray< FMatrix44f > &	RefToLocals
	)

Variable Documentation

◆ CVarMeshDeformerMaxLod

TAutoConsoleVariable< int32 > CVarMeshDeformerMaxLod(TEXT("r.MeshDeformerMaxLOD"), -1, TEXT("Default is -1 (disabled).\n"), ECVF_Default)	(	TEXT("r.MeshDeformerMaxLOD")	,
		-	1,
		TEXT("Default is -1 (disabled).\n")	,
		ECVF_Default
	)

◆ CVarSkeletalMeshForceLOD

FAutoConsoleVariableRef CVarSkeletalMeshForceLOD(TEXT("r.SkeletalMeshForceLOD"), GSkeletalMeshForceLOD, TEXT("Forces LOD"), ECVF_Default)	(	TEXT("r.SkeletalMeshForceLOD")	,
		GSkeletalMeshForceLOD	,
		TEXT("Forces LOD")	,
		ECVF_Default
	)

◆ CVarSkeletalMeshLODBias

FAutoConsoleVariableRef CVarSkeletalMeshLODBias(TEXT("r.SkeletalMeshLODBias"), GSkeletalMeshLODBias, TEXT("LOD bias for skeletal meshes (does not affect animation editor viewports)."), ECVF_Scalability)	(	TEXT("r.SkeletalMeshLODBias")	,
		GSkeletalMeshLODBias	,
		TEXT("LOD bias for skeletal meshes (does not affect animation editor viewports).")	,
		ECVF_Scalability
	)

◆ CVarUpdateBoundsNotifyStreamingRadiusChangeRatio

FAutoConsoleVariableRef CVarUpdateBoundsNotifyStreamingRadiusChangeRatio(TEXT("r.SkinnedMesh.UpdateBoundsNotifyStreamingRadiusChangeRatio"), GUpdateBoundsNotifyStreamingRadiusChangeRatio, TEXT("Update the streaming manager when the radius changes by more than this ratio since the last update. A negative value will disable the update."), ECVF_Default)	(	TEXT("r.SkinnedMesh.UpdateBoundsNotifyStreamingRadiusChangeRatio")	,
		GUpdateBoundsNotifyStreamingRadiusChangeRatio	,
		TEXT("Update the streaming manager when the radius changes by more than this ratio since the last update. A negative value will disable the update.")	,
		ECVF_Default
	)

◆ GSkeletalMeshForceLOD

int32 GSkeletalMeshForceLOD = -1

◆ GSkeletalMeshLODBias

int32 GSkeletalMeshLODBias = 0

◆ GSkinnedMeshRenderNanite

int32 GSkinnedMeshRenderNanite = 1

◆ GUpdateBoundsNotifyStreamingRadiusChangeRatio

float GUpdateBoundsNotifyStreamingRadiusChangeRatio = 0.1f

Classes

Namespaces

Macros

Functions

Variables