add more directivity methods

Source/VAPlugin/Private/SoundSource/VAAbstractSourceComponent.cpp

@@ -487,6 +487,16 @@ bool UVAAbstractSourceComponent::SetDirectivityByFileName(const FString FileName
 	return SoundSource->SetDirectivity(CurrentReceiverActor->GetDirectivityByFileName(FileName));
 }
 
+bool UVAAbstractSourceComponent::SetDefaultDirectivity()
+{
+	return SoundSource->SetDirectivity(FVADirectivityManager::GetDefaultDirectivity());
+}
+
+bool UVAAbstractSourceComponent::SetNoDirectivity()
+{
+	return SoundSource->RemoveDirectivity();
+}
+
 FString UVAAbstractSourceComponent::GetDirectivityFileName() const
 {
 	if (SoundSource.IsValid())

Source/VAPlugin/Public/SoundSource/VAAbstractSourceComponent.h

@@ -157,6 +157,12 @@ public:
 	UFUNCTION(BlueprintCallable)
 	bool SetDirectivityByFileName(FString FileName);
 
+	UFUNCTION(BlueprintCallable)
+	bool SetDefaultDirectivity();
+
+	UFUNCTION(BlueprintCallable)
+	bool SetNoDirectivity();
+	
 	// Gets the File Name of the Directivity
 	UFUNCTION(BlueprintCallable)
 	FString GetDirectivityFileName() const;