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erlang_behaviour_trees

0.4.3
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An implementation of behaviour trees in erlang.

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erlang_behaviour_trees src bt_engine bt_helper.erl
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src/bt_engine/bt_helper.erl 

-module(bt_helper).

-include("bt_nodes.hrl").



-export([

  make_task/3,

  make_decorator/3,

  decorate/2

]).





make_task(Module, Args, Name) ->

  #task{

    name = Name,

    module = Module,

    args = Args

  }.



%% child will be set later using bt_helper:decorate

make_decorator(Module, Args, Name) ->

  #decorator{

    name = Name,

    module = Module,

    args = Args

  }.



%% single decorator passed

decorate(Node, Decorator) when is_record(Decorator, decorator) ->

  decorate(Node, [Decorator]);

decorate(Node, []) ->

  Node;

decorate(Node, [Decorator | RestOfDecorators]) when is_record(Decorator, decorator) ->

  DecoratedOnce = Decorator#decorator{

    child = Node

  },

  decorate(DecoratedOnce, RestOfDecorators).