UNiagaraDataChannelWriter | Unreal Engine 5.7 Documentation

API > API/Plugins > API/Plugins/Niagara


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

Syntax

UCLASS (BlueprintType, MinimalAPI)  
class UNiagaraDataChannelWriter : public UObject

Inheritance Hierarchy

UObjectBase → UObjectBaseUtility → UObject → UNiagaraDataChannelWriter

Variables

Public

Name	Type	Remarks	Include Path	Unreal Specifiers
Owner	TObjectPtr< UNiagaraDataChannelHandler >		NiagaraDataChannelAccessor.h

Protected

Name	Type	Remarks	Include Path	Unreal Specifiers
Data	FNiagaraDataChannelGameDataPtr	Local data buffers we're writing into.	NiagaraDataChannelAccessor.h
StartIndex	int32	Starting index into our dest data.	NiagaraDataChannelAccessor.h

Functions

Public

Name	Remarks	Include Path	Unreal Specifiers
bool BeginWrite ( FNDCAccessContextInst& AccessContext, int32 Count, bool bVisibleToGame, bool bVisibleToCPU, bool bVisibleToGPU, const FString& DebugSource )	Call before each batch of writes to allocate the data we'll be writing to.	NiagaraDataChannelAccessor.h
void Cleanup()		NiagaraDataChannelAccessor.h
bool InitWrite ( FNiagaraDataChannelSearchParameters SearchParams, int32 Count, bool bVisibleToGame, bool bVisibleToCPU, bool bVisibleToGPU, const FString& DebugSource )	Call before each batch of writes to allocate the data we'll be writing to.	NiagaraDataChannelAccessor.h	Meta=(DisplayName="Init Write (Legacy)")
int32 Num()		NiagaraDataChannelAccessor.h	BlueprintCallable Category=NiagaraDataChannel Meta=(Keywords="niagara DataChannel")
void WriteBool ( FName VarName, int32 Index, bool InData )		NiagaraDataChannelAccessor.h	BlueprintCallable Category=NiagaraDataChannel Meta=(Keywords="niagara DataChannel")
void WriteData ( const FNiagaraVariableBase& Var, int32 Index, const T& InData )		NiagaraDataChannelAccessor.h
void WriteEnum ( FName VarName, int32 Index, uint8 InData )		NiagaraDataChannelAccessor.h	BlueprintCallable Category=NiagaraDataChannel Meta=(Keywords="niagara DataChannel")
void WriteFloat ( FName VarName, int32 Index, double InData )		NiagaraDataChannelAccessor.h	BlueprintCallable Category=NiagaraDataChannel Meta=(Keywords="niagara DataChannel")
void WriteID ( FName VarName, int32 Index, FNiagaraID InData )		NiagaraDataChannelAccessor.h	BlueprintCallable Category=NiagaraDataChannel Meta=(Keywords="niagara DataChannel")
void WriteInt ( FName VarName, int32 Index, int32 InData )		NiagaraDataChannelAccessor.h	BlueprintCallable Category=NiagaraDataChannel Meta=(Keywords="niagara DataChannel")
void WriteLinearColor ( FName VarName, int32 Index, FLinearColor InData )		NiagaraDataChannelAccessor.h	BlueprintCallable Category=NiagaraDataChannel Meta=(Keywords="niagara DataChannel")
void WritePosition ( FName VarName, int32 Index, FVector InData )		NiagaraDataChannelAccessor.h	BlueprintCallable Category=NiagaraDataChannel Meta=(Keywords="niagara DataChannel")
void WriteQuat ( FName VarName, int32 Index, FQuat InData )		NiagaraDataChannelAccessor.h	BlueprintCallable Category=NiagaraDataChannel Meta=(Keywords="niagara DataChannel")
void WriteSpawnInfo ( FName VarName, int32 Index, FNiagaraSpawnInfo InData )		NiagaraDataChannelAccessor.h	BlueprintCallable Category=NiagaraDataChannel Meta=(Keywords="niagara DataChannel")
void WriteVector ( FName VarName, int32 Index, FVector InData )		NiagaraDataChannelAccessor.h	BlueprintCallable Category=NiagaraDataChannel Meta=(Keywords="niagara DataChannel")
void WriteVector2D ( FName VarName, int32 Index, FVector2D InData )		NiagaraDataChannelAccessor.h	BlueprintCallable Category=NiagaraDataChannel Meta=(Keywords="niagara DataChannel")
void WriteVector4 ( FName VarName, int32 Index, FVector4 InData )		NiagaraDataChannelAccessor.h	BlueprintCallable Category=NiagaraDataChannel Meta=(Keywords="niagara DataChannel")

Navigation

Syntax

Inheritance Hierarchy

Variables

Public

Protected

Functions

Public