Inheriting UInterfaces from one another

Sometimes, you may need to create a UInterface that specializes on a more general UInterface. This recipe shows you how to use inheritance with UInterfaces to specialize a Killable interface with an Undead interface that cannot be killed by normal means.

How to do it...

1. Create a UInterface/IInterface called Killable:

2. Add UINTERFACE(meta=(CannotImplementInterfaceInBlueprint)) to the UInterface declaration:

// This class does not need to be modified.
UINTERFACE(meta = (CannotImplementInterfaceInBlueprint))
class UKillable : public UInterface
{
  GENERATED_BODY()
};

3. Add the following functions to the header file under the IKillable class:

class CHAPTER_07_API IKillable
{
    GENERATED_BODY...