Behavior Tree Editor

The Behavior Tree Editor is a Lua script that isn't part of REFramework. It may become native and built-in at some point.

https://github.com/praydog/RE-BHVT-Editor

Examples

The UI

Using Lua driven condition evaluators (custom actions are preferred in newer versions) to run on-hit effects for all child nodes

Using Lua driven condition evaluators (custom actions are preferred in newer versions) to dynamically adjust the game speed on hit and play on hit effects

Adding custom actions/effects to specific nodes

All of the above combined, with modification of transition states to create a custom combo that loops back around