IDatasmithMaterialExpression Class Reference

#include <DatasmithMaterialElements.h>

Inheritance diagram for IDatasmithMaterialExpression:

Public Member Functions
virtual	~IDatasmithMaterialExpression ()=default
EDatasmithMaterialExpressionType	GetType () const
virtual EDatasmithMaterialExpressionType	GetExpressionType () const =0
	UE_DEPRECATED (4.27, "IDatasmithMaterialExpression now derive from IDatasmithElement, please use IsSubType() or GetExpressionType() instead") bool IsA(const EDatasmithMaterialExpressionType ExpressionType) const
virtual bool	IsSubType (const EDatasmithMaterialExpressionType ExpressionType) const =0
virtual void	ConnectExpression (IDatasmithExpressionInput &ExpressionInput)=0
virtual void	ConnectExpression (IDatasmithExpressionInput &ExpressionInput, int32 OutputIndex)=0
virtual int32	GetInputCount () const =0
virtual IDatasmithExpressionInput *	GetInput (int32 Index)=0
virtual const IDatasmithExpressionInput *	GetInput (int32 Index) const =0
virtual int32	GetDefaultOutputIndex () const =0
virtual void	SetDefaultOutputIndex (int32 OutputIndex)=0
virtual void	ResetExpression ()=0
virtual bool	IsA (EDatasmithElementType Type) const=0
Public Member Functions inherited from IDatasmithElement
virtual const TCHAR *	GetName () const =0
virtual void	SetName (const TCHAR *InName)=0
virtual const TCHAR *	GetLabel () const =0
virtual void	SetLabel (const TCHAR *InLabel)=0
virtual FMD5Hash	CalculateElementHash (bool bForce)=0
Public Member Functions inherited from DirectLink::ISceneGraphNode
virtual	~ISceneGraphNode ()=default
virtual TSharedPtr< FSceneGraphSharedState >	MakeSharedState () const
	Related nodes share a common object.
virtual TSharedPtr< FSceneGraphSharedState >	GetSharedState () const
UE_API void	SetSharedState (TSharedPtr< FSceneGraphSharedState > NewSharedState)
virtual const FParameterStore &	GetStore () const =0
	data
virtual FParameterStore &	GetStore ()=0
virtual void	CustomSerialize (class FSnapshotProxy &Ar)
void	CustomSerialize (class FSnapshotProxy &Ar) const
FSceneGraphId	GetNodeId () const
	References.
void	SetNodeId (FSceneGraphId Id)
UE_API void	RegisterReferenceProxy (class IReferenceProxy &View, FName Name)
UE_API int32	GetReferenceProxyCount () const
UE_API class IReferenceProxy *	GetReferenceProxy (int32 Index) const
UE_API FName	GetReferenceProxyName (int32 Index) const
UE_API FSceneGraphId	RegisterReference (ISceneGraphNode *Referenced)
UE_API void	UpdateRefs (class IReferenceResolutionProvider &Resolver, const FReferenceSnapshot &NewRefs)

Detailed Description

Base class for representing an expression in the material graph of a IDatasmithUEPbrMaterial. Setting a name to the expression is optional but allows to automatically create material instances during the import, which is faster and more optimal.

Constructor & Destructor Documentation

~IDatasmithMaterialExpression()

virtual IDatasmithMaterialExpression::~IDatasmithMaterialExpression ( )

virtualdefault

Member Function Documentation

ConnectExpression() [1/2]

virtual void IDatasmithMaterialExpression::ConnectExpression ( IDatasmithExpressionInput &  ExpressionInput )

pure virtual

Connects the default output to an expression input

ConnectExpression() [2/2]

virtual void IDatasmithMaterialExpression::ConnectExpression ( IDatasmithExpressionInput &  ExpressionInput, int32  OutputIndex  )

pure virtual

Connects a specific output to an expression input

GetDefaultOutputIndex()

virtual int32 IDatasmithMaterialExpression::GetDefaultOutputIndex ( ) const

pure virtual

The output index to use by default for this expression when connecting it to other inputs.

GetExpressionType()

virtual EDatasmithMaterialExpressionType IDatasmithMaterialExpression::GetExpressionType ( ) const

pure virtual

GetInput() [1/2]

virtual const IDatasmithExpressionInput * IDatasmithMaterialExpression::GetInput ( int32  Index ) const

pure virtual

GetInput() [2/2]

virtual IDatasmithExpressionInput * IDatasmithMaterialExpression::GetInput ( int32  Index )

pure virtual

GetInputCount()

virtual int32 IDatasmithMaterialExpression::GetInputCount ( ) const

pure virtual

GetType()

EDatasmithMaterialExpressionType IDatasmithMaterialExpression::GetType ( ) const

inline

IsA()

virtual bool IDatasmithElement::IsA ( EDatasmithElementType  Type ) const

virtual

returns if this DatasmithElement is of a specified type

Implements IDatasmithElement.

IsSubType()

virtual bool IDatasmithMaterialExpression::IsSubType ( const EDatasmithMaterialExpressionType  ExpressionType ) const

pure virtual

ResetExpression()

virtual void IDatasmithMaterialExpression::ResetExpression ( )

pure virtual

Reset the expression to its default values, and disconnect input expressions

SetDefaultOutputIndex()

virtual void IDatasmithMaterialExpression::SetDefaultOutputIndex ( int32  OutputIndex )

pure virtual

UE_DEPRECATED()

IDatasmithMaterialExpression::UE_DEPRECATED ( 4.  27, "IDatasmithMaterialExpression now derive from  IDatasmithElement, please use IsSubType() or GetExpressionType() instead"    ) const

inline

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

• Engine/Source/Runtime/Datasmith/DatasmithCore/Public/DatasmithMaterialElements.h