Unreal Engine 4 has Blueprint, which is a powerful node graph programming system. It works great and it's very popular. It's definitely worth looking at for an

Unreal Engine 4 has Blueprint, which is a powerful node graph programming system. It works great and it's very popular. It's definitely worth looking at for anyone interested in this sort of thing. The "bi-directional flow" (exec nodes "push", data nodes "pull") makes it very flexible for almost any kind of task.