FGeometryCollection Class Reference

#include <GeometryCollection.h>

Inheritance diagram for FGeometryCollection:

Public Types
enum	ESimulationTypes : uint8 { FST_None = 0 , FST_Rigid = 1 , FST_Clustered = 2 , FST_Max = 3 }
enum	ENodeFlags : uint32 { FS_None = 0 , FS_RemoveOnFracture = 0x00000004 , FS_IgnoreCollisionInParentCluster = 0x00000008 }
typedef FTransformCollection	Super
Public Types inherited from FTransformCollection
typedef FManagedArrayCollection	Super
Public Types inherited from FManagedArrayCollection
typedef EManagedArrayType	EArrayType
Public Types inherited from FGeometryCollectionConvexPropertiesInterface
typedef FManagedArrayInterface	Super
Public Types inherited from FGeometryCollectionProximityPropertiesInterface
typedef FManagedArrayInterface	Super

Public Member Functions
CHAOS_API	FGeometryCollection (FGeometryCollectionDefaults InDefaults=FGeometryCollectionDefaults())
CHAOS_API	~FGeometryCollection ()
	FGeometryCollection (FGeometryCollection &)=delete
FGeometryCollection &	operator= (const FGeometryCollection &)=delete
	FGeometryCollection (FGeometryCollection &&)=default
FGeometryCollection &	operator= (FGeometryCollection &&)=default
	MANAGED_ARRAY_COLLECTION_INTERNAL (FGeometryCollection)
CHAOS_API void	AppendCollection (const FGeometryCollection &InCollection)
CHAOS_API int32	AppendGeometry (const FGeometryCollection &GeometryCollection, int32 MaterialIDOffset=0, bool ReindexAllMaterials=true, const FTransform &TransformRoot=FTransform::Identity)
CHAOS_API bool	AppendEmbeddedInstance (int32 InExemplarIndex, int32 InParentIndex, const FTransform &InTransform=FTransform::Identity)
CHAOS_API void	ReindexExemplarIndices (TArray< int32 > &SortedRemovedIndices)
virtual CHAOS_API void	RemoveElements (const FName &Group, const TArray< int32 > &SortedDeletionList, FProcessingParameters Params=FProcessingParameters()) override
CHAOS_API void	Empty ()
virtual CHAOS_API void	Reset () override
virtual CHAOS_API void	ReorderElements (FName Group, const TArray< int32 > &NewOrder) override
virtual CHAOS_API void	InitializeInterfaces ()
CHAOS_API void	UpdateBoundingBox ()
CHAOS_API FBoxSphereBounds	GetBoundingBox () const
CHAOS_API void	UpdateGeometryVisibility (const TArray< int32 > &NodeList, bool VisibilityState)
CHAOS_API void	ReindexMaterials ()
CHAOS_API TArray< FGeometryCollectionSection >	BuildMeshSections (const TArray< FIntVector > &Indices, const TArray< int32 > &BaseMeshOriginalIndicesIndex, TArray< FIntVector > &RetIndices) const
CHAOS_API bool	HasVisibleGeometry () const
CHAOS_API bool	HasContiguousVertices () const
CHAOS_API bool	HasContiguousFaces () const
CHAOS_API bool	HasContiguousRenderFaces () const
CHAOS_API int32	NumUVLayers () const
CHAOS_API bool	SetNumUVLayers (int32 NumLayers)
FORCEINLINE bool	IsGeometry (int32 Element) const
FORCEINLINE bool	IsClustered (int32 Element) const
FORCEINLINE bool	IsRigid (int32 Element) const
FORCEINLINE bool	IsTransform (int32 Element) const
FORCEINLINE void	SetFlags (int32 Element, int32 InFlags)
FORCEINLINE void	ClearFlags (int32 Element, int32 InFlags)
FORCEINLINE bool	HasFlags (int32 Element, int32 InFlags) const
CHAOS_API bool	IsVisible (int32 Element) const
CHAOS_API TArray< TArray< int32 > >	ConnectionGraph ()
CHAOS_API void	Serialize (Chaos::FChaosArchive &Ar)
CHAOS_API void	WriteDataToHeaderFile (const FString &Name, const FString &Path)
CHAOS_API void	WriteDataToOBJFile (const FString &Name, const FString &Path, const bool WriteTopology=true, const bool WriteAuxStructures=true)
virtual CHAOS_API void	SetDefaults (FName Group, uint32 StartSize, uint32 NumElements) override
FVector2f &	ModifyUV (int32 VertexIndex, int32 UVLayer)
const FVector2f &	GetUV (int32 VertexIndex, int32 UVLayer) const
TManagedArray< FVector2f > *	FindUVLayer (int32 UVLayer)
const TManagedArray< FVector2f > *	FindUVLayer (int32 UVLayer) const
CHAOS_API void	UpdateOldAttributeNames ()
CHAOS_API TArray< int32 >	TransformSelectionToGeometryIndices (const TArray< int32 > &Transforms)
Public Member Functions inherited from FTransformCollection
CHAOS_API	FTransformCollection ()
CHAOS_API	~FTransformCollection ()
	FTransformCollection (FTransformCollection &)=delete
FTransformCollection &	operator= (const FTransformCollection &)=delete
	FTransformCollection (FTransformCollection &&)=default
FTransformCollection &	operator= (FTransformCollection &&)=default
	MANAGED_ARRAY_COLLECTION_INTERNAL (FTransformCollection)
CHAOS_API void	AppendCollection (const FTransformCollection &Collection)
CHAOS_API int32	AppendTransform (const FTransformCollection &GeometryCollection, const FTransform &TransformRoot=FTransform::Identity)
CHAOS_API void	ParentTransforms (const int32 TransformIndex, const int32 ChildIndex)
CHAOS_API void	ParentTransforms (const int32 TransformIndex, const TArray< int32 > &SelectedBones)
CHAOS_API void	UnparentTransform (const int32 ChildIndex)
CHAOS_API void	RelativeTransformation (const int32 &Index, const FTransform &LocalOffset)
virtual CHAOS_API void	MergeElements (const FName &Group, const TArray< int32 > &SortedMergeList, const TArray< int32 > &MergeRemapIndex, FProcessingParameters Params=FProcessingParameters()) override
Public Member Functions inherited from FManagedArrayCollection
CHAOS_API	FManagedArrayCollection ()
virtual CHAOS_API	~FManagedArrayCollection ()
CHAOS_API	FManagedArrayCollection (const FManagedArrayCollection &In)
CHAOS_API FManagedArrayCollection &	operator= (const FManagedArrayCollection &In)
CHAOS_API	FManagedArrayCollection (FManagedArrayCollection &&)
CHAOS_API FManagedArrayCollection &	operator= (FManagedArrayCollection &&)
CHAOS_API bool	operator== (const FManagedArrayCollection &Other) const
virtual bool	IsAType (FName InTypeName) const
template<typename T >
bool	IsA ()
template<class T >
T *	Cast ()
template<class T >
const T *	Cast () const
template<typename T >
TManagedArray< T > &	AddAttribute (FName Name, FName Group, FConstructionParameters Parameters=FConstructionParameters())
template<typename T >
TManagedArray< T > *	FindOrAddAttributeTyped (FName Name, FName Group, FConstructionParameters Parameters=FConstructionParameters())
template<class T = FManagedArrayCollection>
T *	NewCopy () const
void	CopyTo (FManagedArrayCollection *Collection, const TArray< FName > &GroupsToSkip=TArray< FName >(), TArray< TTuple< FName, FName > > AttributesToSkip=TArray< TTuple< FName, FName > >()) const
template<typename T >
void	AddExternalAttribute (FName Name, FName Group, TManagedArray< T > &ValueIn, FConstructionParameters Parameters=FConstructionParameters())
CHAOS_API void	AddGroup (FName Group)
CHAOS_API int32	NumAttributes (FName Group) const
CHAOS_API TArray< FName >	AttributeNames (FName Group) const
CHAOS_API int32	AddElements (int32 NumberElements, FName Group)
CHAOS_API int32	InsertElements (int32 NumberElements, int32 Position, FName Group)
template<typename T >
TManagedArray< T > *	FindAttribute (FName Name, FName Group)
template<typename T >
const TManagedArray< T > *	FindAttribute (FName Name, FName Group) const
template<typename T >
TManagedArray< T > *	FindAttributeTyped (FName Name, FName Group)
template<typename T >
const TManagedArray< T > *	FindAttributeTyped (FName Name, FName Group) const
template<typename T >
TManagedArray< T > &	ModifyAttribute (FName Name, FName Group)
template<typename T >
TManagedArray< T > *	ModifyAttributeTyped (FName Name, FName Group)
template<typename T >
const TManagedArray< T > &	GetAttribute (FName Name, FName Group) const
virtual CHAOS_API void	RemoveElements (const FName &Group, int32 NumberElements, int32 Position)
CHAOS_API void	RemoveAttribute (FName Name, FName Group)
CHAOS_API void	RemoveGroup (FName Group)
CHAOS_API TArray< FName >	GroupNames () const
bool	IsEmpty () const
CHAOS_API bool	HasAttribute (FName Name, FName Group) const
CHAOS_API bool	HasAttributes (const TArray< FManagedType > &Types) const
FORCEINLINE bool	HasGroup (FName Group) const
CHAOS_API EArrayType	GetAttributeType (FName Name, FName Group) const
CHAOS_API bool	IsAttributeDirty (FName Name, FName Group) const
CHAOS_API bool	IsAttributePersistent (FName Name, FName Group) const
CHAOS_API void	SetDependency (FName Name, FName Group, FName DependencyGroup, bool bAllowCircularDependency=false)
CHAOS_API FName	GetDependency (FName Name, FName Group) const
CHAOS_API void	RemoveDependencyFor (FName Group)
CHAOS_API void	CopyAttribute (const FManagedArrayCollection &InCollection, FName Name, FName Group)
CHAOS_API void	CopyAttribute (const FManagedArrayCollection &InCollection, FName SrcName, FName DestName, FName Group)
CHAOS_API void	CopyAttribute (const FManagedArrayCollection &InCollection, FName SrcName, FName DestName, FName SrcGroup, FName DstGroup)
CHAOS_API void	CopyMatchingAttributesFrom (const FManagedArrayCollection &InCollection, const TMap< FName, TSet< FName > > *SkipList=nullptr)
CHAOS_API void	CopyMatchingAttributesFrom (const FManagedArrayCollection &FromCollection, const TArrayView< const FAttributeAndGroupId > SkipList)
CHAOS_API int32	NumElements (FName Group) const
CHAOS_API void	Resize (int32 Size, FName Group)
CHAOS_API void	Reserve (int32 Size, FName Group)
CHAOS_API void	EmptyGroup (FName Group)
void	MakeDirty ()
void	MakeClean ()
bool	IsDirty () const
CHAOS_API bool	Serialize (FArchive &Ar)
CHAOS_API bool	IsConnected (FName StartingNode, FName TargetNode)
CHAOS_API FString	ToString () const
CHAOS_API SIZE_T	GetAllocatedSize () const
CHAOS_API void	GetElementSizeInfoForGroups (TArray< TPair< FName, SIZE_T > > &OutSizeInfo) const
Public Member Functions inherited from FGeometryCollectionConvexPropertiesInterface
CHAOS_API	FGeometryCollectionConvexPropertiesInterface (FManagedArrayCollection *InGeometryCollection)
CHAOS_API void	InitializeInterface () override
CHAOS_API void	CleanInterfaceForCook () override
CHAOS_API void	RemoveInterfaceAttributes () override
CHAOS_API FConvexCreationProperties	GetConvexProperties (int TransformGroupIndex=INDEX_NONE) const
CHAOS_API void	SetConvexProperties (const FConvexCreationProperties &, int TransformGroupIndex=INDEX_NONE)
Public Member Functions inherited from FManagedArrayInterface
	FManagedArrayInterface ()
	FManagedArrayInterface (FManagedArrayCollection *InManagedArray)
Public Member Functions inherited from FGeometryCollectionProximityPropertiesInterface
CHAOS_API	FGeometryCollectionProximityPropertiesInterface (FGeometryCollection *InGeometryCollection)
CHAOS_API void	InitializeInterface () override
CHAOS_API void	CleanInterfaceForCook () override
CHAOS_API void	RemoveInterfaceAttributes () override
CHAOS_API FProximityProperties	GetProximityProperties () const
CHAOS_API void	SetProximityProperties (const FProximityProperties &)

Static Public Member Functions
static CHAOS_API bool	AreCollisionParticlesEnabled ()
static CHAOS_API FGeometryCollection *	NewGeometryCollection (const TArray< float > &RawVertexArray, const TArray< int32 > &RawIndicesArray, bool ReverseVertexOrder=true, FGeometryCollectionDefaults InDefaults=FGeometryCollectionDefaults())
static CHAOS_API void	Init (FGeometryCollection *Collection, const TArray< float > &RawVertexArray, const TArray< int32 > &RawIndicesArray, bool ReverseVertexOrder=true)
static CHAOS_API void	DefineGeometrySchema (FManagedArrayCollection &)
static CHAOS_API FGeometryCollection *	NewGeometryCollection (const TArray< float > &RawVertexArray, const TArray< int32 > &RawIndicesArray, const TArray< int32 > &RawBoneMapArray, const TArray< FTransform > &RawTransformArray, const TManagedArray< int32 > &RawLevelArray, const TManagedArray< int32 > &RawParentArray, const TManagedArray< TSet< int32 > > &RawChildrenArray, const TManagedArray< int32 > &RawSimulationTypeArray, const TManagedArray< int32 > &RawStatusFlagsArray, FGeometryCollectionDefaults InDefaults=FGeometryCollectionDefaults())
static CHAOS_API void	UpdateBoundingBox (FManagedArrayCollection &, bool bSkipCheck=false)
static CHAOS_API void	ReindexMaterials (FManagedArrayCollection &)
Static Public Member Functions inherited from FTransformCollection
static CHAOS_API void	DefineTransformSchema (FManagedArrayCollection &)
static CHAOS_API FTransformCollection	SingleTransform (const FTransform &TransformRoot=FTransform::Identity)
Static Public Member Functions inherited from FManagedArrayCollection
static FName	StaticType ()

Public Attributes
FGeometryCollectionDefaults	Defaults
TManagedArray< int32 >	TransformToGeometryIndex
TManagedArray< int32 >	SimulationType
TManagedArray< int32 >	StatusFlags
TManagedArray< int32 >	InitialDynamicState
TManagedArray< int32 >	ExemplarIndex
TManagedArray< FVector3f >	Vertex
TManagedArray< FLinearColor >	Color
TManagedArray< FVector3f >	TangentU
TManagedArray< FVector3f >	TangentV
TManagedArray< FVector3f >	Normal
TManagedArray< int32 >	BoneMap
TManagedArray< FIntVector >	Indices
TManagedArray< bool >	Visible
TManagedArray< int32 >	MaterialIndex
TManagedArray< int32 >	MaterialID
TManagedArray< bool >	Internal
TManagedArray< int32 >	TransformIndex
TManagedArray< FBox >	BoundingBox
TManagedArray< float >	InnerRadius
TManagedArray< float >	OuterRadius
TManagedArray< int32 >	VertexStart
TManagedArray< int32 >	VertexCount
TManagedArray< int32 >	FaceStart
TManagedArray< int32 >	FaceCount
TManagedArray< FGeometryCollectionSection >	Sections
Public Attributes inherited from FTransformCollection
TManagedArray< FTransform3f >	Transform
TManagedArray< FString >	BoneName
TManagedArray< FLinearColor >	BoneColor
TManagedArray< int32 >	Parent
TManagedArray< TSet< int32 > >	Children
Public Attributes inherited from FManagedArrayCollection
friend	FSimulationProperties
Public Attributes inherited from FGeometryCollectionConvexPropertiesInterface
FManagedArrayCollection *	ManagedCollection
Public Attributes inherited from FGeometryCollectionProximityPropertiesInterface
FManagedArrayCollection *	ManagedCollection

Static Public Attributes
static CHAOS_API const FName	VerticesGroup = "Vertices"
static CHAOS_API const FName	FacesGroup = "Faces"
static CHAOS_API const FName	GeometryGroup = "Geometry"
static CHAOS_API const FName	BreakingGroup = "Breaking"
static CHAOS_API const FName	MaterialGroup = "Material"
static CHAOS_API const FName	SimulatableParticlesAttribute
static CHAOS_API const FName	SimulationTypeAttribute
static CHAOS_API const FName	StatusFlagsAttribute
static CHAOS_API const FName	ExternalCollisionsAttribute
static CHAOS_API const FName	ColorAttribute
static CHAOS_API const FName	BoneColorAttribute
static CHAOS_API const FName	TransformToGeometryIndexAttribute
static CHAOS_API const FName	BoundingBoxAttribute
static CHAOS_API const FName	TransformIndexAttribute
static CHAOS_API const FName	VertexStartAttribute
static CHAOS_API const FName	VertexCountAttribute
static CHAOS_API const FName	InnerRadiusAttribute
static CHAOS_API const FName	OuterRadiusAttribute
static CHAOS_API const FName	FaceStartAttribute
static CHAOS_API const FName	FaceCountAttribute
static CHAOS_API const FName	FaceIndicesAttribute
static CHAOS_API const FName	FaceVisibleAttribute
static CHAOS_API const FName	MaterialIndexAttribute
static CHAOS_API const FName	MaterialIDAttribute
static CHAOS_API const FName	VertexPositionAttribute
static CHAOS_API const FName	VertexNormalAttribute
static CHAOS_API const FName	VertexTangentUAttribute
static CHAOS_API const FName	VertexTangentVAttribute
static CHAOS_API const FName	VertexBoneMapAttribute
Static Public Attributes inherited from FTransformCollection
static CHAOS_API const FName	TransformGroup = "Transform"
static CHAOS_API const FName	TransformAttribute = "Transform"
static CHAOS_API const FName	ParentAttribute = "Parent"
static CHAOS_API const FName	ChildrenAttribute = "Children"
static CHAOS_API const FName	ParticlesAttribute = "Particles"
static CHAOS_API const FName	LevelAttribute = "Level"
static CHAOS_API const FName	ConvexGroup = "Convex"
static CHAOS_API const FName	ConvexHullAttribute = "ConvexHull"
static CHAOS_API const FName	BoneNameAttribute = "BoneName"
static CHAOS_API const FName	BoneColorAttribute = "BoneColor"
static CHAOS_API const FName	BoneHierarchyAttribute = "BoneHierarchy"
static CHAOS_API const FName	GeometryIndexAttribute = "TransformToGeometryIndex"
Static Public Attributes inherited from FManagedArrayCollection
static CHAOS_API int8	Invalid = INDEX_NONE
Static Public Attributes inherited from FGeometryCollectionConvexPropertiesInterface
static CHAOS_API const FName	ConvexPropertiesGroup = "ConvexProperties"
static CHAOS_API const FName	ConvexIndexAttribute = "TransformGroupIndex"
static CHAOS_API const FName	ConvexEnable = "Enable"
static CHAOS_API const FName	ConvexFractionRemoveAttribute = "FractionRemove"
static CHAOS_API const FName	ConvexSimplificationThresholdAttribute = "SimplificationThreshold"
static CHAOS_API const FName	ConvexCanExceedFractionAttribute = "CanExceedFraction"
static CHAOS_API const FName	ConvexRemoveOverlapsMethodAttribute = "RemoveOverlapsMethod"
static CHAOS_API const FName	ConvexRemoveOverlapsShrinkAttribute = "RemoveOverlapsShrinkPercent"
Static Public Attributes inherited from FGeometryCollectionProximityPropertiesInterface
static CHAOS_API const FName	ProximityPropertiesGroup = "ProximityProperties"
static CHAOS_API const FName	ProximityDetectionMethod = "DetectionMethod"
static CHAOS_API const FName	ProximityDistanceThreshold = "DistanceThreshold"
static CHAOS_API const FName	ProximityAsConnectionGraph = "AsConnectionGraph"
static CHAOS_API const FName	ProximityConnectionGraphContactAreaMethod = "ConnectionGraphContactAmount"
static CHAOS_API const FName	ProximityRequireContactAmount = "RequireContactAmount"
static CHAOS_API const FName	ProximityContactMethod = "ContactMethod"

Protected Member Functions
virtual void	MatchOptionalDefaultAttributes (const FManagedArrayCollection &InCollection) override
CHAOS_API void	Construct ()
CHAOS_API void	RemoveGeometryElements (const TArray< int32 > &SortedGeometryIndicesToDelete)
CHAOS_API bool	BuildFaceToGeometryMapping (bool InSaved=false)
CHAOS_API void	UpdateFaceGroupElements ()
CHAOS_API bool	BuildVertexToGeometryMapping (bool InSaved=false)
CHAOS_API void	UpdateVerticesGroupElements ()
CHAOS_API void	ReorderGeometryElements (const TArray< int32 > &NewOrder)
CHAOS_API void	ReorderTransformElements (const TArray< int32 > &NewOrder)
constexpr int32	GetLatestVersionNumber () const
virtual CHAOS_API void	Append (const FManagedArrayCollection &InCollection) override
Protected Member Functions inherited from FTransformCollection
CHAOS_API void	Construct ()
Protected Member Functions inherited from FManagedArrayCollection
CHAOS_API void	SyncGroupSizeFrom (const FManagedArrayCollection &InCollection, FName Group)
CHAOS_API void	SyncGroupSizeFrom (const FManagedArrayCollection &InCollection, FName SrcGroup, FName DstGroup)

Additional Inherited Members
Protected Attributes inherited from FManagedArrayCollection
int32	Version
Protected Attributes inherited from FManagedArrayInterface
FManagedArrayCollection *	ManagedCollection

Detailed Description

FGeometryCollection (FTransformCollection)

Member Typedef Documentation

Super

typedef FTransformCollection FGeometryCollection::Super

Member Enumeration Documentation

ENodeFlags

enum FGeometryCollection::ENodeFlags : uint32

Enumerator
FS_None
FS_RemoveOnFracture
FS_IgnoreCollisionInParentCluster

ESimulationTypes

enum FGeometryCollection::ESimulationTypes : uint8

Enumerator
FST_None
FST_Rigid
FST_Clustered
FST_Max

Constructor & Destructor Documentation

FGeometryCollection() [1/3]

FGeometryCollection::FGeometryCollection

(

FGeometryCollectionDefaults

InDefaults = FGeometryCollectionDefaults()

)

~FGeometryCollection()

FGeometryCollection::~FGeometryCollection ( )

default

FGeometryCollection() [2/3]

FGeometryCollection::FGeometryCollection ( FGeometryCollection &  )

delete

FGeometryCollection() [3/3]

FGeometryCollection::FGeometryCollection ( FGeometryCollection &&  )

default

Member Function Documentation

Append()

void FGeometryCollection::Append ( const FManagedArrayCollection &  Collection )

overrideprotectedvirtual

Append Collection and reindex dependencies on this collection.

Parameters

InCollection

: FManagedArrayCollection to add.

Reimplemented from FTransformCollection.

AppendCollection()

void FGeometryCollection::AppendCollection

(

const FGeometryCollection &

InCollection

)

Append a FGeometryCollection to a FGeometryCollection

AppendEmbeddedInstance()

bool FGeometryCollection::AppendEmbeddedInstance	(	int32	InExemplarIndex,
		int32	InParentIndex,
		const FTransform &	InTransform = FTransform::Identity
	)

Append single embedded geometry. Returns true if the operation succeeds.

AppendGeometry()

int32 FGeometryCollection::AppendGeometry	(	const FGeometryCollection &	GeometryCollection,
		int32	MaterialIDOffset = 0,
		bool	ReindexAllMaterials = true,
		const FTransform &	TransformRoot = FTransform::Identity
	)

Append a single geometric object to a FGeometryCollection

AreCollisionParticlesEnabled()

bool FGeometryCollection::AreCollisionParticlesEnabled ( )

static

BuildFaceToGeometryMapping()

bool FGeometryCollection::BuildFaceToGeometryMapping ( bool  InSaved = false )

protected

Update Face Attributes based on changes in the group.

BuildMeshSections()

TArray< FGeometryCollectionSection > FGeometryCollection::BuildMeshSections	(	const TArray< FIntVector > &	Indices,
		const TArray< int32 > &	BaseMeshOriginalIndicesIndex,
		TArray< FIntVector > &	RetIndices
	)		const

Builds mesh sections for a given index buffer that could be a subset. Currently, this call assumes that the indices are ordered by MaterialID #todo(dmp): Refactor this and ReindexMaterials to share code

BuildVertexToGeometryMapping()

bool FGeometryCollection::BuildVertexToGeometryMapping ( bool  InSaved = false )

protected

Build and Update Vertex Attributes based on changes in the group.

ClearFlags()

FORCEINLINE void FGeometryCollection::ClearFlags ( int32  Element, int32  InFlags  )

inline

ConnectionGraph()

TArray< TArray< int32 > > FGeometryCollection::ConnectionGraph

(

)

Connection of leaf geometry

Construct()

void FGeometryCollection::Construct ( )

protected

DefineGeometrySchema()

void FGeometryCollection::DefineGeometrySchema ( FManagedArrayCollection &  InCollection )

static

Empty()

void FGeometryCollection::Empty

(

)

Empty each managed array in each group in order to reset the collection to an initial (empty) state.

FindUVLayer() [1/2]

TManagedArray< FVector2f > * FGeometryCollection::FindUVLayer ( int32  UVLayer )

inline

FindUVLayer() [2/2]

const TManagedArray< FVector2f > * FGeometryCollection::FindUVLayer ( int32  UVLayer ) const

inline

GetBoundingBox()

FBoxSphereBounds FGeometryCollection::GetBoundingBox

(

)

const

GetBoundingBox

GetLatestVersionNumber()

constexpr int32 FGeometryCollection::GetLatestVersionNumber ( ) const

inlineconstexprprotected

Returns

the latest Version number used in serialization

GetUV()

const FVector2f & FGeometryCollection::GetUV ( int32  VertexIndex, int32  UVLayer  ) const

inline

HasContiguousFaces()

bool FGeometryCollection::HasContiguousFaces

(

)

const

Returns true if the faces are contiguous

HasContiguousRenderFaces()

bool FGeometryCollection::HasContiguousRenderFaces

(

)

const

Returns true if the render faces are contiguous

HasContiguousVertices()

bool FGeometryCollection::HasContiguousVertices

(

)

const

Returns true if the vertices are contiguous

HasFlags()

FORCEINLINE bool FGeometryCollection::HasFlags ( int32  Element, int32  InFlags  ) const

inline

HasVisibleGeometry()

bool FGeometryCollection::HasVisibleGeometry

(

)

const

Returns true if there is anything to render

Init()

void FGeometryCollection::Init ( FGeometryCollection *  Collection, const TArray< float > &  RawVertexArray, const TArray< int32 > &  RawIndicesArray, bool  ReverseVertexOrder = true  )

static

InitializeInterfaces()

void FGeometryCollection::InitializeInterfaces ( )

virtual

IsClustered()

FORCEINLINE bool FGeometryCollection::IsClustered ( int32  Element ) const

inline

IsGeometry()

FORCEINLINE bool FGeometryCollection::IsGeometry ( int32  Element ) const

inline

IsRigid()

FORCEINLINE bool FGeometryCollection::IsRigid ( int32  Element ) const

inline

IsTransform()

FORCEINLINE bool FGeometryCollection::IsTransform ( int32  Element ) const

inline

IsVisible()

bool FGeometryCollection::IsVisible

(

int32

Element

)

const

Return true if the Element contains any visible faces.

MANAGED_ARRAY_COLLECTION_INTERNAL()

FGeometryCollection::MANAGED_ARRAY_COLLECTION_INTERNAL

(

FGeometryCollection

)

MatchOptionalDefaultAttributes()

virtual void FGeometryCollection::MatchOptionalDefaultAttributes ( const FManagedArrayCollection &  InCollection )

inlineoverrideprotectedvirtual

Virtual helper function called by CopyMatchingAttributesFrom; adds attributes 'default, but optional' attributes that are present in InCollection This is used by FGeometryCollection to make sure all UV layers are copied over by CopyMatchingAttributesFrom()

Reimplemented from FManagedArrayCollection.

ModifyUV()

FVector2f & FGeometryCollection::ModifyUV ( int32  VertexIndex, int32  UVLayer  )

inline

NewGeometryCollection() [1/2]

FGeometryCollection * FGeometryCollection::NewGeometryCollection ( const TArray< float > &  RawVertexArray, const TArray< int32 > &  RawIndicesArray, bool  ReverseVertexOrder = true, FGeometryCollectionDefaults  InDefaults = FGeometryCollectionDefaults()  )

static

Create a GeometryCollection from Vertex and Indices arrays

NewGeometryCollection() [2/2]

FGeometryCollection * FGeometryCollection::NewGeometryCollection ( const TArray< float > &  RawVertexArray, const TArray< int32 > &  RawIndicesArray, const TArray< int32 > &  RawBoneMapArray, const TArray< FTransform > &  RawTransformArray, const TManagedArray< int32 > &  RawLevelArray, const TManagedArray< int32 > &  RawParentArray, const TManagedArray< TSet< int32 > > &  RawChildrenArray, const TManagedArray< int32 > &  RawSimulationTypeArray, const TManagedArray< int32 > &  RawStatusFlagsArray, FGeometryCollectionDefaults  InDefaults = FGeometryCollectionDefaults()  )

static

Create a GeometryCollection from Vertex, Indices, BoneMap, Transform, BoneHierarchy arrays

NumUVLayers()

int32 FGeometryCollection::NumUVLayers

(

)

const

Returns number of UV layers represented by UV array. A Valid Geometry Collection has the same count for every vertex

operator=() [1/2]

FGeometryCollection & FGeometryCollection::operator= ( const FGeometryCollection &  )

delete

operator=() [2/2]

FGeometryCollection & FGeometryCollection::operator= ( FGeometryCollection &&  )

default

ReindexExemplarIndices()

void FGeometryCollection::ReindexExemplarIndices

(

TArray< int32 > &

SortedRemovedIndices

)

Reindex exemplar indices to reflect removed exemplars.

ReindexMaterials() [1/2]

void FGeometryCollection::ReindexMaterials

(

)

Reindex sections to keep polys with same materials together to reduce the number of draw calls

ReindexMaterials() [2/2]

void FGeometryCollection::ReindexMaterials ( FManagedArrayCollection &  InCollection )

static

RemoveElements()

void FGeometryCollection::RemoveElements ( const FName &  Group, const TArray< int32 > &  SortedDeletionList, FProcessingParameters  Params = FProcessingParameters()  )

overridevirtual

Remove Geometry and update dependent elements

Reimplemented from FTransformCollection.

RemoveGeometryElements()

void FGeometryCollection::RemoveGeometryElements ( const TArray< int32 > &  SortedGeometryIndicesToDelete )

protected

Remove Geometry elements i.e. verts, faces, etc, leaving the transform nodes intact

ReorderElements()

void FGeometryCollection::ReorderElements ( FName  Group, const TArray< int32 > &  NewOrder  )

overridevirtual

Reorders elements in a group. NewOrder must be the same length as the group.

Reimplemented from FManagedArrayCollection.

ReorderGeometryElements()

void FGeometryCollection::ReorderGeometryElements ( const TArray< int32 > &  NewOrder )

protected

Reorder geometry elements. i.e. verts faces etc are reordered so we can get contiguous memory access

ReorderTransformElements()

void FGeometryCollection::ReorderTransformElements ( const TArray< int32 > &  NewOrder )

protected

Reorder geometry elements based on the new transform order. i.e. verts faces etc are reordered so we can get contiguous memory access

Reset()

void FGeometryCollection::Reset ( )

overridevirtual

reset internal state

Reimplemented from FTransformCollection.

Serialize()

void FGeometryCollection::Serialize ( Chaos::FChaosArchive &  Ar )

virtual

Serialize

Reimplemented from FTransformCollection.

SetDefaults()

void FGeometryCollection::SetDefaults ( FName  Group, uint32  StartSize, uint32  NumElements  )

overridevirtual

Reimplemented from FManagedArrayCollection.

SetFlags()

FORCEINLINE void FGeometryCollection::SetFlags ( int32  Element, int32  InFlags  )

inline

SetNumUVLayers()

bool FGeometryCollection::SetNumUVLayers

(

int32

NumLayers

)

Update a geometry collection to have the target number of UV layers (must be in the range [1, MAX_UV_LAYERS))

TransformSelectionToGeometryIndices()

TArray< int32 > FGeometryCollection::TransformSelectionToGeometryIndices

(

const TArray< int32 > &

Transforms

)

UpdateBoundingBox() [1/2]

void FGeometryCollection::UpdateBoundingBox

(

)

Update bounding box entries for the geometry

UpdateBoundingBox() [2/2]

void FGeometryCollection::UpdateBoundingBox ( FManagedArrayCollection &  InCollection, bool  bSkipCheck = false  )

static

UpdateFaceGroupElements()

void FGeometryCollection::UpdateFaceGroupElements ( )

protected

UpdateGeometryVisibility()

void FGeometryCollection::UpdateGeometryVisibility	(	const TArray< int32 > &	NodeList,
		bool	VisibilityState
	)

Update the visibility of specified geometry nodes

UpdateOldAttributeNames()

void FGeometryCollection::UpdateOldAttributeNames

(

)

UpdateVerticesGroupElements()

void FGeometryCollection::UpdateVerticesGroupElements ( )

protected

WriteDataToHeaderFile()

void FGeometryCollection::WriteDataToHeaderFile	(	const FString &	Name,
		const FString &	Path
	)

WriteDataToOBJFile()

void FGeometryCollection::WriteDataToOBJFile	(	const FString &	Name,
		const FString &	Path,
		const bool	WriteTopology = true,
		const bool	WriteAuxStructures = true
	)

Member Data Documentation

BoneColorAttribute

const FName FGeometryCollection::BoneColorAttribute

static

BoneMap

TManagedArray<int32> FGeometryCollection::BoneMap

BoundingBox

TManagedArray<FBox> FGeometryCollection::BoundingBox

BoundingBoxAttribute

const FName FGeometryCollection::BoundingBoxAttribute

static

BreakingGroup

const FName FGeometryCollection::BreakingGroup = "Breaking"

static

Color

TManagedArray<FLinearColor> FGeometryCollection::Color

ColorAttribute

const FName FGeometryCollection::ColorAttribute

static

Defaults

FGeometryCollectionDefaults FGeometryCollection::Defaults

ExemplarIndex

TManagedArray<int32> FGeometryCollection::ExemplarIndex

ExternalCollisionsAttribute

const FName FGeometryCollection::ExternalCollisionsAttribute

static

FaceCount

TManagedArray<int32> FGeometryCollection::FaceCount

FaceCountAttribute

const FName FGeometryCollection::FaceCountAttribute

static

FaceIndicesAttribute

const FName FGeometryCollection::FaceIndicesAttribute

static

FacesGroup

const FName FGeometryCollection::FacesGroup = "Faces"

static

FaceStart

TManagedArray<int32> FGeometryCollection::FaceStart

FaceStartAttribute

const FName FGeometryCollection::FaceStartAttribute

static

FaceVisibleAttribute

const FName FGeometryCollection::FaceVisibleAttribute

static

GeometryGroup

const FName FGeometryCollection::GeometryGroup = "Geometry"

static

Indices

TManagedArray<FIntVector> FGeometryCollection::Indices

InitialDynamicState

TManagedArray<int32> FGeometryCollection::InitialDynamicState

InnerRadius

TManagedArray<float> FGeometryCollection::InnerRadius

InnerRadiusAttribute

const FName FGeometryCollection::InnerRadiusAttribute

static

Internal

TManagedArray<bool> FGeometryCollection::Internal

MaterialGroup

const FName FGeometryCollection::MaterialGroup = "Material"

static

MaterialID

TManagedArray<int32> FGeometryCollection::MaterialID

MaterialIDAttribute

const FName FGeometryCollection::MaterialIDAttribute

static

MaterialIndex

TManagedArray<int32> FGeometryCollection::MaterialIndex

MaterialIndexAttribute

const FName FGeometryCollection::MaterialIndexAttribute

static

Normal

TManagedArray<FVector3f> FGeometryCollection::Normal

OuterRadius

TManagedArray<float> FGeometryCollection::OuterRadius

OuterRadiusAttribute

const FName FGeometryCollection::OuterRadiusAttribute

static

Sections

TManagedArray<FGeometryCollectionSection> FGeometryCollection::Sections

SimulatableParticlesAttribute

const FName FGeometryCollection::SimulatableParticlesAttribute

static

SimulationType

TManagedArray<int32> FGeometryCollection::SimulationType

SimulationTypeAttribute

const FName FGeometryCollection::SimulationTypeAttribute

static

StatusFlags

TManagedArray<int32> FGeometryCollection::StatusFlags

StatusFlagsAttribute

const FName FGeometryCollection::StatusFlagsAttribute

static

TangentU

TManagedArray<FVector3f> FGeometryCollection::TangentU

TangentV

TManagedArray<FVector3f> FGeometryCollection::TangentV

TransformIndex

TManagedArray<int32> FGeometryCollection::TransformIndex

TransformIndexAttribute

const FName FGeometryCollection::TransformIndexAttribute

static

TransformToGeometryIndex

TManagedArray<int32> FGeometryCollection::TransformToGeometryIndex

TransformToGeometryIndexAttribute

const FName FGeometryCollection::TransformToGeometryIndexAttribute

static

Vertex

TManagedArray<FVector3f> FGeometryCollection::Vertex

VertexBoneMapAttribute

const FName FGeometryCollection::VertexBoneMapAttribute

static

VertexCount

TManagedArray<int32> FGeometryCollection::VertexCount

VertexCountAttribute

const FName FGeometryCollection::VertexCountAttribute

static

VertexNormalAttribute

const FName FGeometryCollection::VertexNormalAttribute

static

VertexPositionAttribute

const FName FGeometryCollection::VertexPositionAttribute

static

VertexStart

TManagedArray<int32> FGeometryCollection::VertexStart

VertexStartAttribute

const FName FGeometryCollection::VertexStartAttribute

static

VertexTangentUAttribute

const FName FGeometryCollection::VertexTangentUAttribute

static

VertexTangentVAttribute

const FName FGeometryCollection::VertexTangentVAttribute

static

VerticesGroup

const FName FGeometryCollection::VerticesGroup = "Vertices"

static

Visible

TManagedArray<bool> FGeometryCollection::Visible

---

The documentation for this class was generated from the following files:

• Engine/Source/Runtime/Experimental/Chaos/Public/GeometryCollection/GeometryCollection.h
• Engine/Source/Runtime/Experimental/Chaos/Private/GeometryCollection/GeometryCollection.cpp