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behavior3

2.0.0
2.0.1 2.0.0

Behavior3 runtime library for Erlang (Behavior Trees for Erlang)

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behavior3 src composite Sequence.erl
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src/composite/Sequence.erl 

-module('Sequence').



-behaviour(base_node).

%%--------------------------------------------------------------------


%% include


%%--------------------------------------------------------------------


-include("behavior3.hrl").

%%--------------------------------------------------------------------


%% export API


%%--------------------------------------------------------------------


-export([tick/3]).



%%--------------------------------------------------------------------


%% API functions


%%--------------------------------------------------------------------


-spec tick(TreeNode :: tree_node(), BB :: blackboard(), State :: term()) ->


    {BTStatus :: bt_status(), UpBB :: blackboard(), UpState :: term()}.

tick(#tree_node{children = Children}, BB, State) ->

    tick_1(Children, BB, State).



%%--------------------------------------------------------------------


%% Internal functions


%%--------------------------------------------------------------------


tick_1([ChildID | T], BB, State) ->

    case base_node:execute_child(ChildID, BB, State) of

        {?BT_SUCCESS, BB1, State1} ->

            tick_1(T, BB1, State1);

        {BTStatus, BB1, State1} ->

            {BTStatus, BB1, State1}

    end;

tick_1([], BB, State) ->

    {?BT_SUCCESS, BB, State}.