Enum multiselect or select nothing

Development Programming & Scripting
1

I have defined an enum, and I found that I cannot multiselect or select nothing like what I did in Unity.

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2

I assume you want it exposed to the actor of choice to change it in the editor rather than having to manually set it? if so try using a UPROPERTY() macro to expose it.

here is an example: UPROPERTY(EditAnywhere, BlueprintReadWrite, Category="MyCategory")
int NumberToChange;
this makes it so you can select the actor you want and edit the property on it.

you can find out more on UPROPERTY() specifiers here

3

If you define the enum in blueprint, there should be an option to make it a bitmask, if you defined it in C++, you will need to use a meta property to mark it as a bitmask, and associate it with the enum of choice.

For examples, search the engine code for BitmaskEnum and see how they mark a field.

4

Finally, I solved it. Use an int parameter with UPROPERTY(meta=(BItmask,BitmaskEnum=“Your Enum”));

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