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  3. UNiagaraDataInterfaceVolumeCache

UNiagaraDataInterfaceVolumeCache

API > API/Plugins > API/Plugins/Niagara

   
Name UNiagaraDataInterfaceVolumeCache
Type class
Header File /Engine/Plugins/FX/Niagara/Source/Niagara/Classes/NiagaraDataInterfaceVolumeCache.h
Include Path #include "NiagaraDataInterfaceVolumeCache.h"

Syntax

UCLASS (EditInlineNew, Category="Grid", CollapseCategories, Meta=(DisplayName="Volume Cache"),  
       MinimalAPI)  
class UNiagaraDataInterfaceVolumeCache : public UNiagaraDataInterface

Inheritance Hierarchy

Constructors

Name Remarks Include Path Unreal Specifiers

UNiagaraDataInterfaceVolumeCache ( const FObjectInitializer& ObjectInitializer
)

   NiagaraDataInterfaceVolumeCache.h  

Classes

Name Remarks
FShaderParameters  

Constants

Name Type Remarks Include Path
GetCurrentFrameNumCells const FName   NiagaraDataInterfaceVolumeCache.h
GetCurrentFrameValue const FName   NiagaraDataInterfaceVolumeCache.h
GetNumCellsName const FName   NiagaraDataInterfaceVolumeCache.h
IndexToUnitName const FName   NiagaraDataInterfaceVolumeCache.h
ReadFileName const FName   NiagaraDataInterfaceVolumeCache.h
SampleCurrentFrameValueName const FName   NiagaraDataInterfaceVolumeCache.h
SetFrameName const FName   NiagaraDataInterfaceVolumeCache.h
TemplateShaderFilePath const TCHAR *   NiagaraDataInterfaceVolumeCache.h

Variables

Public

Name Type Remarks Include Path Unreal Specifiers
VolumeCache TObjectPtr< UVolumeCache >   NiagaraDataInterfaceVolumeCache.h
  • EditAnywhere
  • Category="File"

Functions

Public

Name Remarks Include Path Unreal Specifiers

FString GetAssetPath ( FString PathFormat,
int32 FrameIndex
) const

   NiagaraDataInterfaceVolumeCache.h  

void GetNumCells ( FVectorVMExternalFunctionContext& Context
)

   NiagaraDataInterfaceVolumeCache.h  

void ReadFile ( FVectorVMExternalFunctionContext& Context
)

   NiagaraDataInterfaceVolumeCache.h  

void SetFrame ( FVectorVMExternalFunctionContext& Context
)

   NiagaraDataInterfaceVolumeCache.h  

Overridden from UNiagaraDataInterface

Name Remarks Include Path Unreal Specifiers

virtual bool AppendCompileHash ( FNiagaraCompileHashVisitor* InVisitor
) const

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

virtual bool CanExecuteOnTarget ( ENiagaraSimTarget Target
) const

   NiagaraDataInterfaceVolumeCache.h  

virtual void DestroyPerInstanceData ( void* PerInstanceData,
FNiagaraSystemInstance* SystemInstance
)

 Destroys the per instance data for this interface. NiagaraDataInterfaceVolumeCache.h  

virtual bool Equals ( const UNiagaraDataInterface* Other
) const

 Determines if this DataInterface is the same as another. NiagaraDataInterfaceVolumeCache.h  

virtual bool GetFunctionHLSL ( const FNiagaraDataInterfaceGPUParamInfo& ParamInfo,
const FNiagaraDataInterfaceGeneratedFunction& FunctionInfo,
int FunctionInstanceIndex,
FString& OutHLSL
)

   NiagaraDataInterfaceVolumeCache.h  

virtual void GetParameterDefinitionHLSL ( const FNiagaraDataInterfaceGPUParamInfo& ParamInfo,
FString& OutHLSL
)

   NiagaraDataInterfaceVolumeCache.h  

virtual void GetVMExternalFunction ( const FVMExternalFunctionBindingInfo& BindingInfo,
void* InstanceData,
FVMExternalFunction& OutFunc
)

 Returns the delegate for the passed function signature. NiagaraDataInterfaceVolumeCache.h  

virtual bool HasPreSimulateTick()

   NiagaraDataInterfaceVolumeCache.h  

virtual bool InitPerInstanceData ( void* PerInstanceData,
FNiagaraSystemInstance* SystemInstance
)

 Initializes the per instance data for this interface. NiagaraDataInterfaceVolumeCache.h  

virtual int32 PerInstanceDataSize ()

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

virtual bool PerInstanceTick ( void* PerInstanceData,
FNiagaraSystemInstance* SystemInstance,
float DeltaSeconds
)

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

virtual void ProvidePerInstanceDataForRenderThread ( void* DataForRenderThread,
void* PerInstanceData,
const FNiagaraSystemInstanceID& SystemInstance
)

 Subclasses that wish to work with GPU systems/emitters must implement this. NiagaraDataInterfaceVolumeCache.h  
Set the shader parameters will only be called if the data interface provided shader parameters. NiagaraDataInterfaceVolumeCache.h  

Overridden from UNiagaraDataInterfaceBase

Name Remarks Include Path Unreal Specifiers

virtual void BuildShaderParameters ( FNiagaraShaderParametersBuilder& ShaderParametersBuilder
) const

   NiagaraDataInterfaceVolumeCache.h  

Overridden from UObject

Name Remarks Include Path Unreal Specifiers

virtual void PostInitProperties()

   NiagaraDataInterfaceVolumeCache.h  

Protected

Overridden from UNiagaraDataInterface

Name Remarks Include Path Unreal Specifiers

virtual bool CopyToInternal ( UNiagaraDataInterface* Destination
) const

   NiagaraDataInterfaceVolumeCache.h  

virtual void GetFunctionsInternal ( TArray< FNiagaraFunctionSignature >& OutFunctions
) const

   NiagaraDataInterfaceVolumeCache.h  

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