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  3. UNiagaraDataInterfaceCamera

UNiagaraDataInterfaceCamera

API > API/Plugins > API/Plugins/Niagara

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

Syntax

UCLASS (EditInlineNew, Category="Camera", CollapseCategories, Meta=(DisplayName="Camera Query"),  
       MinimalAPI)  
class UNiagaraDataInterfaceCamera : public UNiagaraDataInterface

Inheritance Hierarchy

Constructors

Name Remarks Include Path Unreal Specifiers

UNiagaraDataInterfaceCamera ( const FObjectInitializer& ObjectInitializer
)

   NiagaraDataInterfaceCamera.h  

Classes

Name Remarks
FShaderParameters  

Constants

Name Type Remarks Include Path
ApplyPreViewTranslationToPosition const FName   NiagaraDataInterfaceCamera.h
CalculateDistancesName const FName   NiagaraDataInterfaceCamera.h
GetCameraPropertiesName const FName   NiagaraDataInterfaceCamera.h
GetClipSpaceTransformsName const FName   NiagaraDataInterfaceCamera.h
GetFieldOfViewName const FName   NiagaraDataInterfaceCamera.h
GetSplitScreenName const FName   NiagaraDataInterfaceCamera.h
GetTAAJitterName const FName   NiagaraDataInterfaceCamera.h
GetViewPropertiesName const FName   NiagaraDataInterfaceCamera.h
GetViewSpaceTransformsName const FName   NiagaraDataInterfaceCamera.h
QueryClosestName const FName   NiagaraDataInterfaceCamera.h
RemovePreViewTranslationFromPosition const FName   NiagaraDataInterfaceCamera.h
TemplateShaderFilePath const TCHAR *   NiagaraDataInterfaceCamera.h

Variables

Public

Name Type Remarks Include Path Unreal Specifiers
bRequireCurrentFrameData bool When this option is disabled, we use the previous frame's data for the camera and issue the simulation early. NiagaraDataInterfaceCamera.h
  • EditAnywhere
  • Category="Performance"
PlayerControllerIndex int32 This is used to determine which camera position to query for cpu emitters. NiagaraDataInterfaceCamera.h
  • EditAnywhere
  • Category="Camera"

Functions

Public

Name Remarks Include Path Unreal Specifiers

void CalculateParticleDistances ( FVectorVMExternalFunctionContext& Context
)

   NiagaraDataInterfaceCamera.h  

void GetCameraFOV ( FVectorVMExternalFunctionContext& Context
)

   NiagaraDataInterfaceCamera.h  

void GetCameraProperties ( FVectorVMExternalFunctionContext& Context
)

   NiagaraDataInterfaceCamera.h  

void GetClosestParticles ( FVectorVMExternalFunctionContext& Context
)

   NiagaraDataInterfaceCamera.h  

void GetGetSplitScreenInfo ( FVectorVMExternalFunctionContext& Context
)

   NiagaraDataInterfaceCamera.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. NiagaraDataInterfaceCamera.h  

virtual ETickingGroup CalculateTickGroup ( const void* PerInstanceData
) const

   NiagaraDataInterfaceCamera.h  

virtual bool CanExecuteOnTarget ( ENiagaraSimTarget Target
) const

   NiagaraDataInterfaceCamera.h  

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

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

virtual bool Equals ( const UNiagaraDataInterface* Other
) const

 Determines if this DataInterface is the same as another. NiagaraDataInterfaceCamera.h  
Query the data interface to give feedback to the end user. NiagaraDataInterfaceCamera.h  

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

   NiagaraDataInterfaceCamera.h  

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

   NiagaraDataInterfaceCamera.h  

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

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

virtual bool HasPreSimulateTick()

   NiagaraDataInterfaceCamera.h  

virtual bool HasTickGroupPrereqs()

   NiagaraDataInterfaceCamera.h  

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

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

virtual int32 PerInstanceDataSize ()

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

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

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

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

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

virtual bool RequiresEarlyViewData()

   NiagaraDataInterfaceCamera.h  
Set the shader parameters will only be called if the data interface provided shader parameters. NiagaraDataInterfaceCamera.h  

virtual bool UpgradeFunctionCall ( FNiagaraFunctionSignature& FunctionSignature
)

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

Overridden from UNiagaraDataInterfaceBase

Name Remarks Include Path Unreal Specifiers

virtual void BuildShaderParameters ( FNiagaraShaderParametersBuilder& ShaderParametersBuilder
) const

   NiagaraDataInterfaceCamera.h  

Overridden from UObject

Name Remarks Include Path Unreal Specifiers

virtual void PostInitProperties()

   NiagaraDataInterfaceCamera.h  

Protected

Overridden from UNiagaraDataInterface

Name Remarks Include Path Unreal Specifiers

virtual bool CopyToInternal ( UNiagaraDataInterface* Destination
) const

   NiagaraDataInterfaceCamera.h  

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

   NiagaraDataInterfaceCamera.h  

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