C++ and Blueprint hierarchies - best practice?

Development Programming & Scripting C++
1

Hey, I’m fairly new to unreal but with long background in C++ programming. I’m trying to wrap my head around how Blueprints and C++ classes can and should be set up.
Is it possible to model this type of hierarchy (the image) in Blueprint / C++?

bp_c_inheritance.png
bp_c_inheritance.png1280×394 31.1 KB

I would like the BP_MyCharacterBase, BP_MyPlayerCharacter and BP_MyAICharacter to implement common functionality that BP_Vampire, BP_WizardHero, BP_MegaBoss etc can all use.
At the same time I would like the C++ inheritance hierarchy to be able to extend and add functionality in C++ for the AMegaBossAICharacter and AMySpecialPlayerCharacter classes.

In this example BP_MyAICharacter, BP_MyPlayerCharacter, BP_MegaBoss200 and BP_SuperSpecialHero has a weird double inheritance; both from a parent Blueprint and a parent C++ class
Assuming this is not possible, what are some alternatives for sharing “lower level common blueprint code”?

thanks!

2

No, blueprints can’t support multiple class inheritance of multiple UClass at same time.

You can workaround that with Blueprint Native Events and Blueprint Interfaces.

1 Like
3

Thanks Bruno, makes sense.