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erlang_behaviour_trees

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An implementation of behaviour trees in erlang.

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erlang_behaviour_trees src bt_engine yaml_parser yaml_parse_root.erl
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src/bt_engine/yaml_parser/yaml_parse_root.erl 

-module(yaml_parse_root).

-export([

  parse/3

]).



%% yaml dictionary is a map of subtree name => unparsed subtree yaml. this

%% can be extended by reading more files.

%% args is a proplist of {param, value}

-spec parse(FilePath :: string(), TreeName :: string(), Args :: list({string(), term()}) ) -> {ParsedTree :: term(), Blackboard :: term()}.

parse(RootFilePath, TreeName, Args) ->

  %% read yaml file

  YAMLDictionary = yaml_parser_utils:read_file(RootFilePath),

  bt_yaml_parser:parse(

    {TreeName, [{"args", Args}, {"ref", RootFilePath}]}, 

    bt_parser_utils:get_namespace(), #{}, 

    bt_blackboard:get_empty(), YAMLDictionary, 

    filename:dirname(RootFilePath)

  ).