1. Epic GamesDeveloper
  3. UNiagaraDataInterfaceCamera

UNiagaraDataInterfaceCamera

API > API/Plugins > API/Plugins/Niagara

Inheritance Hierarchy

References

   
Module Niagara
Header /Engine/Plugins/FX/Niagara/Source/Niagara/Classes/NiagaraDataInterfaceCamera.h
Include #include "NiagaraDataInterfaceCamera.h"

Syntax

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

Variables

  Type Name Description
Public variable UProperty Category, EditAnywhere bool bRequireCurrentFrameData When this option is disabled, we use the previous frame's data for the camera and issue the simulation early.
Public variable UProperty Category, EditAnywhere int32 PlayerControllerIndex This is used to determine which camera position to query for cpu emitters.

Constructors

  Type Name Description
Public function  

UNiagaraDataInterfaceCamera ( const FObjectInitializer& ObjectInitializer
)

  

Functions

  Type Name Description
Public function  

BEGIN_SHADER_PARAMETER_STRUCT ( FShaderParameters
)

  
Public function void

CalculateParticleDistances ( FVectorVMExternalFunctionContext& Context
)

  
Public function SystemLWCTile  
Public function void

GetCameraFOV ( FVectorVMExternalFunctionContext& Context
)

  
Public function void

GetCameraProperties ( FVectorVMExternalFunctionContext& Context
)

  
Public function void

GetClosestParticles ( FVectorVMExternalFunctionContext& Context
)

  

Overridden from UNiagaraDataInterface

  Type Name Description
Public function Virtual Const bool Allows the generic class defaults version of this class to specify any dependencies/version/etc that might invalidate the compile.
Public function Virtual Const ETickingGroup

CalculateTickGroup ( const void* PerInstanceData
)

  
Public function Virtual Const bool  
Protected function Virtual Const bool  
Public function Virtual void

DestroyPerInstanceData ( void* PerInstanceData,
FNiagaraSystemInstance* SystemInstance
)

 Destroys the per instance data for this interface.
Public function Virtual Const bool

Equals ( const UNiagaraDataInterface* Other
)

 Determines if this DataInterface is the same as another.
Public function Virtual void Query the data interface to give feedback to the end user.
Public function Virtual bool

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

  
Protected function Virtual Const void  
Public function Virtual void  
Public function Virtual void

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

 Returns the delegate for the passed function signature.
Public function Virtual Const bool  
Public function Virtual Const bool  
Public function Virtual bool

InitPerInstanceData ( void* PerInstanceData,
FNiagaraSystemInstance* SystemInstance
)

 Initializes the per instance data for this interface.
Public function Virtual Const int32 Returns the size of the per instance data for this interface.
Public function Virtual bool

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

 Ticks the per instance data for this interface, if it has any.
Public function Virtual Const bool  
Public function Virtual Const void Set the shader parameters will only be called if the data interface provided shader parameters.
Public function Virtual bool Allows data interfaces the opportunity to rename / change the function signature and perform an upgrade.

Overridden from UNiagaraDataInterfaceBase

  Type Name Description
Public function Virtual Const void Override this method to provide parameters to the GPU (SRV / UAV / Constants / etc) The most common usage will be to provide a single structure which is nested with other parameters.

Overridden from UObject

  Type Name Description
Public function Virtual void Called after the C++ constructor and after the properties have been initialized, including those loaded from config.

Constants

Name Description
ApplyPreViewTranslationToPosition  
CalculateDistancesName  
GetCameraPropertiesName  
GetClipSpaceTransformsName  
GetFieldOfViewName  
GetTAAJitterName  
GetViewPropertiesName  
GetViewSpaceTransformsName  
QueryClosestName  
RemovePreViewTranslationFromPosition  
TemplateShaderFilePath  

Ask questions and help your peers Developer Forums

Write your own tutorials or read those from others Learning Library

On this page