Program Listing for File navigate_through_poses.hpp

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// Copyright (c) 2021-2023 Samsung Research
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef NAV2_BT_NAVIGATOR__NAVIGATORS__NAVIGATE_THROUGH_POSES_HPP_
#define NAV2_BT_NAVIGATOR__NAVIGATORS__NAVIGATE_THROUGH_POSES_HPP_

#include <string>
#include <vector>
#include <memory>
#include "rclcpp/rclcpp.hpp"
#include "rclcpp_action/rclcpp_action.hpp"
#include "geometry_msgs/msg/pose_stamped.hpp"
#include "nav2_core/behavior_tree_navigator.hpp"
#include "nav2_msgs/action/navigate_through_poses.hpp"
#include "nav_msgs/msg/path.hpp"
#include "nav2_util/robot_utils.hpp"
#include "nav2_util/geometry_utils.hpp"
#include "nav2_util/odometry_utils.hpp"

namespace nav2_bt_navigator
{

class NavigateThroughPosesNavigator
  : public nav2_core::BehaviorTreeNavigator<nav2_msgs::action::NavigateThroughPoses>
{
public:
  using ActionT = nav2_msgs::action::NavigateThroughPoses;
  typedef std::vector<geometry_msgs::msg::PoseStamped> Goals;

  NavigateThroughPosesNavigator()
  : BehaviorTreeNavigator() {}

  bool configure(
    rclcpp_lifecycle::LifecycleNode::WeakPtr node,
    std::shared_ptr<nav2_util::OdomSmoother> odom_smoother) override;

  std::string getName() override {return std::string("navigate_through_poses");}

  std::string getDefaultBTFilepath(rclcpp_lifecycle::LifecycleNode::WeakPtr node) override;

protected:
  bool goalReceived(ActionT::Goal::ConstSharedPtr goal) override;

  void onLoop() override;

  void onPreempt(ActionT::Goal::ConstSharedPtr goal) override;

  void goalCompleted(
    typename ActionT::Result::SharedPtr result,
    const nav2_behavior_tree::BtStatus final_bt_status) override;

  bool initializeGoalPoses(ActionT::Goal::ConstSharedPtr goal);

  rclcpp::Time start_time_;
  std::string goals_blackboard_id_;
  std::string path_blackboard_id_;

  // Odometry smoother object
  std::shared_ptr<nav2_util::OdomSmoother> odom_smoother_;
};

}  // namespace nav2_bt_navigator

#endif  // NAV2_BT_NAVIGATOR__NAVIGATORS__NAVIGATE_THROUGH_POSES_HPP_