UNiagaraDataInterfaceLandscape

Data Interface allowing sampling of a Landscape

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Inheritance Hierarchy

References

Module

Niagara

Header

/Engine/Plugins/FX/Niagara/Source/Niagara/Classes/NiagaraDataInterfaceLandscape.h

Include

#include "NiagaraDataInterfaceLandscape.h"

Syntax

UCLASS(EditInlineNew, Category="Landscape", Meta=(DisplayName="Landscape Sample"))
class UNiagaraDataInterfaceLandscape : public UNiagaraDataInterface

Remarks

Data Interface allowing sampling of a Landscape

Variables

Constructors

Name Description

Public function

UNiagaraDataInterfaceLandscape

(
    const FObjectInitializer& ObjectIn...
)

Functions

Name Description

Protected function Const

void

 

ApplyLandscape

(
    const FNiagaraSystemInstance& Syst...,
    FNDILandscapeData_GameThread& Inst...
)

Protected function Const

ALandscape &...

 

GetLandscape

(
    const FNiagaraSystemInstance& Syst...,
    ALandscape* Hint
)

Overridden from UNiagaraDataInterface

Name Description

Public function Virtual Const

bool

 

AppendCompileHash

(
    FNiagaraCompileHashVisitor* In...
)

Allows the generic class defaults version of this class to specify any dependencies/version/etc that might invalidate the compile.

Public function Virtual Const

bool

 

CanExecuteOnTarget

(
    ENiagaraSimTarget Target
)

Protected function Virtual Const

bool

 

CopyToInternal

(
    UNiagaraDataInterface* Destina...
)

Public function Virtual

void

 

DestroyPerInstanceData

(
    void* PerInstanceData,
    FNiagaraSystemInstance* System...
)

Destroys the per instance data for this interface.

Public function Virtual Const

bool

 

Equals

(
    const UNiagaraDataInterface* O...
)

Determines if this DataInterface is the same as another.

Public function Virtual

void

 

GetCommonHLSL

(
    FString& OutHLSL
)

Allows data interfaces to provide common functionality that will be shared across interfaces on that type.

Public function Virtual

bool

 

GetFunctionHLSL

(
    const FNiagaraDataInterfaceGPUParam...,
    const FNiagaraDataInterfaceGenerate...,
    int FunctionInstanceIndex,
    FString& OutHLSL
)

Public function Virtual

void

 

GetFunctions

(
    TArray< FNiagaraFunctionSignature >...
)

Gets all the available functions for this data interface.

Public function Virtual

void

 

GetParameterDefinitionHLSL

(
    const FNiagaraDataInterfaceGPUParam...,
    FString& OutHLSL
)

GPU sim functionality.

Public function Virtual Const

bool

 

HasPreSimulateTick()

Public function Virtual

bool

 

InitPerInstanceData

(
    void* PerInstanceData,
    FNiagaraSystemInstance* System...
)

Initializes the per instance data for this interface.

Public function Virtual Const

int32

 

PerInstanceDataSize()

Returns the size of the per instance data for this interface.

Public function Virtual

bool

 

PerInstanceTick

(
    void* PerInstanceData,
    FNiagaraSystemInstance* System...,
    float DeltaSeconds
)

Ticks the per instance data for this interface, if it has any.

Public function Virtual

void

 

ProvidePerInstanceDataForRenderThread

(
    void* DataForRenderThread,
    void* PerInstanceData,
    const FNiagaraSystemInstanceID& Sy...
)

Subclasses that wish to work with GPU systems/emitters must implement this.

Public function Virtual

bool

 

UpgradeFunctionCall

(
    FNiagaraFunctionSignature& Functio...
)

Allows data interfaces the opportunity to rename / change the function signature and perform an upgrade.

Overridden from UNiagaraDataInterfaceBase

Name Description

Public function Virtual

void

 

BindParameters

(
    FNiagaraDataInterfaceParametersCS&...,
    const FNiagaraDataInterfaceGPUParam...,
    const FShaderParameterMap& Paramet...
)

Methods that operate on an instance of type FNiagaraDataInterfaceParametersCS*, created by the above CreateComputeParameters() method

Public function Virtual Const

FNiagaraData...

 

CreateComputeParameters()

Constructs the correct CS parameter type for this DI (if any).

Public function Virtual Const

const FTypeL...

 

GetComputeParametersTypeDesc()

Public function Virtual Const

void

 

SetParameters

(
    const FNiagaraDataInterfaceParamete...,
    FRHICommandList& RHICmdList,
    const FNiagaraDataInterfaceSetArgs ...
)

Public function Virtual Const

void

 

UnsetParameters

(
    const FNiagaraDataInterfaceParamete...,
    FRHICommandList& RHICmdList,
    const FNiagaraDataInterfaceSetArgs ...
)

Overridden from UObject

Name Description

Public function Virtual

void

 

PostInitProperties()

Called after the C++ constructor and after the properties have been initialized, including those loaded from config.

Constants