Blackboard – null GO bound parameter initialization error

Forums 💬 NodeCanvas 🗨️ General Discussion Blackboard – null GO bound parameter initialization error

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  • #12957
    bombonito
    Participant

      I am doing an AI of a rat that should patrol the area and look for food.
      I created a Global Blackboard, added Game Object BBParameter for the current food target, bound it to a GameObject property in my script.
      I intend to leave it as null (by default rat has no idea that any food exists, and has to find it later)
      Inside the AI I have Seek node for NavMeshAgent
      During scene startup, inside InitializeFieldAttributes() method on Seek node, I get an error that ‘target’ is null and the variable will not be initialized.
      And later ActionTask is ignored because it has ‘_isInitSuccess’ = false (or the whole tree has _isInitSuccess = false, not sure how that works)

      Why is it an error, shouldn’t it be a warning? And is there any option to disable those validations?
      Also, all those validations are in #if UNITY_EDITOR group, so they will not affect the build, it just doesn’t let me test in editor, I assume.

      P.S. I tested this without bound parameter, just null GO as exposed property, works with no problem

      #12958
      bombonito
      Participant

        Managed to solve the problem.
        After some more debugging and help from my friend 🙂
        ‘Check boolean’ node is giving wrong results when trying to do GameObject == true/false.
        I’m now using Inverter + Check Variable (GameObject), and the result is correct.

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