UNiagaraScriptSourceBase | Unreal Engine 5.0 Documentation

Inheritance Hierarchy

References


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

Syntax

UCLASS&40;MinimalAPI&41;  
class UNiagaraScriptSourceBase : public UObject

Remarks

Runtime data for a Niagara system

Variables

	Type	Name	Description
	TArray< TSharedPtr< EditorExposedVectorConstant > >	ExposedVectorConstants
	TArray< TSharedPtr< EditorExposedVectorCurveConstant > >	ExposedVectorCurveConstants
	FOnChanged	OnChangedDelegate

Constructors

	Type	Name	Description
		UNiagaraScriptSourceBase ( const FObjectInitializer& ObjectInitializer )

Functions

Type	Name	Description
bool	AddModuleIfMissing ( FString ModulePath, ENiagaraScriptUsage Usage, bool& bOutFoundModule )	Adds a module if it isn't already in the graph.
void	ChangedLinkedInputTypes ( const FNiagaraVariable& ParametersToCheck, const FNiagaraTypeDefinition& NewType )
void	CleanUpOldAndInitializeNewRapidIterationParameters ( const FVersionedNiagaraEmitter& Emitter, ENiagaraScriptUsage ScriptUsage, FGuid ScriptUsageId, FNiagaraParameterStore& RapidIterationParameters )
void	CollectDataInterfaces ( TArray< const UNiagaraDataInterfaceBase* >& DataInterfaces )
TMap< FName, UNiagaraDataInterface * >	ComputeObjectNameMap ( UNiagaraSystem& System, ENiagaraScriptUsage Usage, FGuid UsageId, FString EmitterUniqueName )
void	ComputeVMCompilationId ( FNiagaraVMExecutableDataId& Id, ENiagaraScriptUsage InUsage, const FGuid& InUsageId )
void	ForceGraphToRecompileOnNextCheck ()
FGuid	GetChangeID ()
FGuid	GetCompileBaseId ( ENiagaraScriptUsage InUsage, const FGuid& InUsageId )
FNiagaraCompileHash	GetCompileHash ( ENiagaraScriptUsage InUsage, const FGuid& InUsageId )
void	GetLinkedPositionTypeInputs ( const TArray< FNiagaraVariable >& ParametersToCheck, TSet< FNiagaraVariable >& OutLinkedParameters )	Checks if any of the provided variables are linked to function inputs of position type data
bool	IsSynchronized ( const FGuid& InChangeId )	Determines if the input change id is equal to the current source graph's change id.
void	MarkNotSynchronized ( FString Reason )	Enforce that the source graph is now out of sync with the script.
FOnChanged &	OnChanged ()
void	PostLoadFromEmitter ( FVersionedNiagaraEmitter OwningEmitter )	Allows the derived editor only script source to handle a post load requested by an owning emitter.
TSharedPtr< FNiagaraCompileRequestDataBase, ESPMode::ThreadSafe >	PreCompile ( UNiagaraEmitter* Emitter, const TArray< FNiagaraVariable >& EncounterableVariables, TArray< TSharedPtr< FNiagaraCompileRequestDataBase, ESPMode::ThreadSafe >>& ReferencedCompileReques..., bool bClearErrors )	Cause the source to build up any internal variables that will be useful in the compilation process.
void	RefreshFromExternalChanges ()
void	RefreshGraphCompileId ()	Will conditionally refresh the graph's CompileId.
void	RegisterVMCompilationIdDependencies ( FNiagaraVMExecutableDataId& Id, ENiagaraScriptUsage InUsage, const FGuid& InUsageId )
void	RenameGraphAssignmentAndSetNodePins ( const FName OldName, const FName NewName )	Rename all graph assignment and map set node pins.
void	ReplaceScriptReferences ( UNiagaraScript* OldScript, UNiagaraScript* NewScript )
void	SynchronizeGraphParametersWithParameterDefinitions ( const TArray< UNiagaraParameterDefinitionsBase* > TargetDefinitions, const TArray< UNiagaraParameterDefinitionsBase* > AllDefinitions, const TSet< FGuid >& AllDefinitionsParameterIds, INiagaraParameterDefinitionsSubscriber* Subscriber, FSynchronizeWithParameterDefinitionsArgs Args )	Synchronize all source script variables that have been changed or removed from the parameter definitions to all eligible destination script variables owned by the graph.