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  3. UNiagaraDataInterfacePhysicsAsset

UNiagaraDataInterfacePhysicsAsset

Data Interface for interacting with PhysicsAssets

API > API/Plugins > API/Plugins/Niagara

Data Interface for interacting with PhysicsAssets

   
Name UNiagaraDataInterfacePhysicsAsset
Type class
Header File /Engine/Plugins/FX/Niagara/Source/Niagara/Public/NiagaraDataInterfacePhysicsAsset.h
Include Path #include "NiagaraDataInterfacePhysicsAsset.h"

Syntax

UCLASS (EditInlineNew, Category="Physics", CollapseCategories, Meta=(DisplayName="Physics Asset"),  
       MinimalAPI)  
class UNiagaraDataInterfacePhysicsAsset : public UNiagaraDataInterface

Inheritance Hierarchy

Constructors

Name Remarks Include Path Unreal Specifiers

UNiagaraDataInterfacePhysicsAsset ( const FObjectInitializer& ObjectInitializer
)

   NiagaraDataInterfacePhysicsAsset.h  

Variables

Public

Name Type Remarks Include Path Unreal Specifiers
DefaultSource TObjectPtr< UPhysicsAsset > Skeletal Mesh from which the Physics Asset will be found. NiagaraDataInterfacePhysicsAsset.h
  • EditAnywhere
  • Category="Source"
MeshUserParameter FNiagaraUserParameterBinding Reference to a user parameter if we're reading one. NiagaraDataInterfacePhysicsAsset.h
  • EditAnywhere
  • Category="Source"
PhysicsAssets TArray< TWeakObjectPtr< class UPhysicsAsset > > The source asset from which to sample NiagaraDataInterfacePhysicsAsset.h  
SoftSourceActor TSoftObjectPtr< AActor > The source actor from which to sample NiagaraDataInterfacePhysicsAsset.h
  • EditAnywhere
  • Category="Source"
  • Meta=(DisplayName="Source Actor")
SourceComponents TArray< TWeakObjectPtr< class USkeletalMeshComponent > > The source component from which to sample NiagaraDataInterfacePhysicsAsset.h  

Functions

Public

Name Remarks Include Path Unreal Specifiers

void ExtractSourceComponent ( FNiagaraSystemInstance* SystemInstance,
FTransform& LocalTransform
)

 Extract the source component NiagaraDataInterfacePhysicsAsset.h  

void GetClosestDistance ( FVectorVMExternalFunctionContext& Context
)

 Get the closest distance NiagaraDataInterfacePhysicsAsset.h  

void GetClosestElement ( FVectorVMExternalFunctionContext& Context
)

 Get the closest element NiagaraDataInterfacePhysicsAsset.h  

void GetClosestPoint ( FVectorVMExternalFunctionContext& Context
)

 Get the closest point NiagaraDataInterfacePhysicsAsset.h  

void GetElementDistance ( FVectorVMExternalFunctionContext& Context
)

 Get the element distance NiagaraDataInterfacePhysicsAsset.h  

void GetElementPoint ( FVectorVMExternalFunctionContext& Context
)

 Get the element point NiagaraDataInterfacePhysicsAsset.h  

void GetNumBoxes ( FVectorVMExternalFunctionContext& Context
)

 Get the number of boxes NiagaraDataInterfacePhysicsAsset.h  

void GetNumCapsules ( FVectorVMExternalFunctionContext& Context
)

 Get the number of capsules NiagaraDataInterfacePhysicsAsset.h  

void GetNumSpheres ( FVectorVMExternalFunctionContext& Context
)

 Get the number of spheres NiagaraDataInterfacePhysicsAsset.h  

void GetProjectionPoint ( FVectorVMExternalFunctionContext& Context
)

 Get the projection point NiagaraDataInterfacePhysicsAsset.h  

void GetTexturePoint ( FVectorVMExternalFunctionContext& Context
)

 Get the closest texture point NiagaraDataInterfacePhysicsAsset.h  

Overridden from UNiagaraDataInterface

Name Remarks Include Path Unreal Specifiers

virtual bool AppendCompileHash ( FNiagaraCompileHashVisitor* InVisitor
) const

 GPU simulation functionality NiagaraDataInterfacePhysicsAsset.h  

virtual ETickingGroup CalculateTickGroup ( const void* PerInstanceData
) const

   NiagaraDataInterfacePhysicsAsset.h  

virtual bool CanExecuteOnTarget ( ENiagaraSimTarget Target
) const

   NiagaraDataInterfacePhysicsAsset.h  

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

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

virtual bool Equals ( const UNiagaraDataInterface* Other
) const

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

virtual void GetCommonHLSL ( FString& OutHLSL
)

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

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

   NiagaraDataInterfacePhysicsAsset.h  

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

   NiagaraDataInterfacePhysicsAsset.h  

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

 UNiagaraDataInterface Interface NiagaraDataInterfacePhysicsAsset.h  

virtual bool HasPreSimulateTick()

   NiagaraDataInterfacePhysicsAsset.h  

virtual bool HasTickGroupPrereqs()

   NiagaraDataInterfacePhysicsAsset.h  

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

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

virtual int32 PerInstanceDataSize ()

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

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

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

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

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

Overridden from UNiagaraDataInterfaceBase

Name Remarks Include Path Unreal Specifiers

virtual void BuildShaderParameters ( FNiagaraShaderParametersBuilder& ShaderParametersBuilder
) const

   NiagaraDataInterfacePhysicsAsset.h  

Overridden from UObject

Name Remarks Include Path Unreal Specifiers

virtual void PostInitProperties()

 UObject Interface NiagaraDataInterfacePhysicsAsset.h  

virtual void PostLoad()

   NiagaraDataInterfacePhysicsAsset.h  

Protected

Overridden from UNiagaraDataInterface

Name Remarks Include Path Unreal Specifiers

virtual bool CopyToInternal ( UNiagaraDataInterface* Destination
) const

 Copy one niagara DI to this NiagaraDataInterfacePhysicsAsset.h  

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

   NiagaraDataInterfacePhysicsAsset.h  

Deprecated Variables

Name Type Remarks Include Path Unreal Specifiers
SourceActor_DEPRECATED TObjectPtr< AActor >   NiagaraDataInterfacePhysicsAsset.h  

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