Packages

erlang_behaviour_trees

0.2.0
0.5.22 0.5.21 0.5.20 0.5.18 0.5.17 0.5.16 0.5.15 0.5.14 0.5.13 0.5.12 0.5.11 0.5.10 0.5.9 0.5.8 0.5.7 0.5.6 0.5.5 0.5.4 0.5.3 0.5.2 0.5.1 0.5.0 0.4.5 0.4.4 0.4.3 0.4.2 0.4.1 0.4.0 0.3.1 0.3.0 0.2.0 0.1.0

An implementation of behaviour trees in erlang.

Current section

Files

Jump to
Readme
32 Versions
3 Dependencies
Dependants
Files
Activity
erlang_behaviour_trees src samples tasks lift_task.erl
Raw

src/samples/tasks/lift_task.erl 

-module(lift_task).

-behaviour(bt_task).

-export([

  get_params/0,

  run/3

]).



get_params() ->

  ["bid", "direction"].



run(#{"bid" := BId_key, "direction" := Direction_key}, BB, _Event) -> 

  BId = blackboard:eval(BId_key, BB),

  Direction = blackboard:eval(Direction_key, BB),

  case gproc:lookup_local_name({dummy_navigator, BId}) of

    undefined ->

      io:format("Could not lift: navigator not found for bulter ~p~n", [BId]),

      {failure, BB};

    Pid ->

      DirectionAtom = list_to_atom(Direction),

      ButlerLiftState = dummy_navigator:get_lift_state(Pid),

      if 

        DirectionAtom =:= ButlerLiftState ->

          io:format("Not doing any lifting."),

          {success, BB};

        true ->

          io:format("Lifting butler ~p in direction ~p~n", [BId, DirectionAtom]),

          dummy_navigator:lift(Pid, DirectionAtom),

          {running, BB}

      end

  end.