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FAQ

Q: Is the blackboard data of identical memory nodes in a subtree duplicated?​

It is a known issue, but because the next entry resets the node's blackboard data in OnOpen, it does not manifest as an error. If you hit a real bug, please report it.

Q: How do I use target inside Tick?​

It is used in AI: target is usually the owner of the AI, and the owner holds a blackboard member. Built-in nodes do not use target — it is only accessed by custom nodes.

Q: How do I interrupt a RUNNING state?​

See issue #15. The idea is to use a non-memory Priority: re-evaluate the higher-priority branches every frame, so when a higher-priority condition becomes true, the parent automatically closes the lower-priority subtree that was RUNNING (triggering its OnClose).

TODO​

  • Typed parameters
  • Parameters that read blackboard values via the @varName format
  • SubTrees with custom parameter passing

Further reading​

Shipped projects​