UNiagaraDataInterfacePressureGrid

Data Interface for the strand base

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Inheritance Hierarchy

UObjectBase

UObjectBaseUtility

UObject

UNiagaraMergeable

UNiagaraDataInterfaceBase

UNiagaraDataInterface

UNiagaraDataInterfaceRWBase

UNiagaraDataInterfaceVelocityGrid

UNiagaraDataInterfacePressureGrid

References

Module	HairStrandsCore
Header	/Engine/Plugins/Runtime/HairStrands/Source/HairStrandsCore/Public/Niagara/NiagaraDataInterfacePressureGrid.h
Include	#include "Niagara/NiagaraDataInterfacePressureGrid.h"

Syntax

UCLASS(EditInlineNew, Category="Grid", Meta=(DisplayName="Pressure Grid"))
class UNiagaraDataInterfacePressureGrid : public UNiagaraDataInterfaceVelocityGrid

Remarks

Data Interface for the strand base

Constructors

	Name	Description
	UNiagaraDataInterfacePressureGrid ( const FObjectInitializer& ObjectIn... )

Functions

	Name	Description
void	BuildDensityField ( FVectorVMExternalFunctionContext& ... )	Build the Density Field
void	BuildDistanceField ( FVectorVMExternalFunctionContext& ... )	Build the velocity field
void	ComputeBoundaryWeights ( FVectorVMExternalFunctionContext& ... )	Compute the solid weights
void	GetDensityField ( FVectorVMExternalFunctionContext& ... )	Get Density Field
void	GetNodePosition ( FVectorVMExternalFunctionContext& ... )	Get Node Position
void	ScaleCellFields ( FVectorVMExternalFunctionContext& ... )	Scale Cell Fields
void	SetSolidBoundary ( FVectorVMExternalFunctionContext& ... )	Set the solid boundary
void	SolveGridPressure ( FVectorVMExternalFunctionContext& ... )	Project the velocity field to be divergence free
void	UpdateDeformationGradient ( FVectorVMExternalFunctionContext& ... )	Update the deformation gradient

Overridden from UNiagaraDataInterface

	Name	Description
bool	AppendCompileHash ( FNiagaraCompileHashVisitor* In... )	GPU simulation functionality
void	GetCommonHLSL ( FString& OutHLSL )	Allows data interfaces to provide common functionality that will be shared across interfaces on that type.
bool	GetFunctionHLSL ( const FNiagaraDataInterfaceGPUParam..., const FNiagaraDataInterfaceGenerate..., int FunctionInstanceIndex, FString& OutHLSL )
void	GetFunctions ( TArray< FNiagaraFunctionSignature >... )	UNiagaraDataInterface Interface
void	GetParameterDefinitionHLSL ( const FNiagaraDataInterfaceGPUParam..., FString& OutHLSL )	GPU simulation functionality
void	GetVMExternalFunction ( const FVMExternalFunctionBindingInf..., void* InstanceData, FVMExternalFunction& OutFunc )	Returns the delegate for the passed function signature.
bool	HasPreSimulateTick()

Overridden from UNiagaraDataInterfaceBase

	Name	Description
void	BindParameters ( FNiagaraDataInterfaceParametersCS&..., const FNiagaraDataInterfaceGPUParam..., const FShaderParameterMap& Paramet... )	Methods that operate on an instance of type FNiagaraDataInterfaceParametersCS*, created by the above CreateComputeParameters() method
FNiagaraData...	CreateComputeParameters()	Constructs the correct CS parameter type for this DI (if any).
const FTypeL...	GetComputeParametersTypeDesc()
void	SetParameters ( const FNiagaraDataInterfaceParamete..., FRHICommandList& RHICmdList, const FNiagaraDataInterfaceSetArgs ... )
void	UnsetParameters ( const FNiagaraDataInterfaceParamete..., FRHICommandList& RHICmdList, const FNiagaraDataInterfaceSetArgs ... )