Editinline on UFunctions

Development Programming & Scripting
1

Is there a way to have in parameters of functions be editinline? If I have an array of names as a parameter to my function exposed to blueprint, I can’t edit that list on the function itself, I have to define it outside of the function and pipe it in. The same goes for UStructs, I want to create a UStruct because multiple functions take the same parameters and I can change those parameters in one place if it is defined in a stuct. I know that I can expose properties in the UStruct and can drag out a Make Struct which is useful sometimes, but other times it would be nice to just edit the parameters on the function.

Here’s what I’m trying:

USTRUCT(meta = (BlueprintType))
struct FSimpleStuct {

	GENERATED_USTRUCT_BODY()

	UPROPERTY(EditAnywhere, Category="TestStruct")
	int32 shouldBeVisible;
};

UCLASS(meta = (BlueprintSpawnableComponent))
class UTestComponent : public UActorComponent
{
	GENERATED_UCLASS_BODY()

	UFUNCTION(BluePrintCallable, Category="Test")
	void FakeFunction(FSimpleStuct structParam);

	UFUNCTION(BluePrintCallable, Category = "Test")
	void FakeFunctionAlt(TArray<FName> names);
};

So when I call FakeFunction I would like it to have the variable shouldBeVisible, editable on the function in blueprint. I know that Transforms, Rotators and Vectors all do this, but I have spent several days looking though answers, forums, and documentation without finding an example of how to set this up. Any help or direction would be appreciated.

2

Not sure if this is what you are after, but some special nodes can be created as classes based on UK2Node. Check out K2Node_MakeArray for example. It lets you create array directly within node. I never used that, but it looks like a bit more advanced way of creating nodes, than blueprintcallable methods.

3

Thanks for the suggestion! I actually looked into using the UK2Node stuff for writing a custom switch statement, but I don’t think its quite what I want here. I could write a custom node for every function that I want to call but that seems like a lot of work (many many functions). Since I know that FVector2, FTransform, etc, are doing what I want, I was wondering what I would need to do, to make my own structs work that way in exposed UFunctions.