SimplePlanner.hpp

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// Copyright 2025 Intelligent Robotics Lab
//
// This file is part of the project Easy Navigation (EasyNav in short)
// 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 EASYNAV_PLANNER__SIMPLEPLANNER_HPP_
#define EASYNAV_PLANNER__SIMPLEPLANNER_HPP_
 
#include <vector>
 
#include "nav_msgs/msg/path.hpp"
 
#include "easynav_core/PlannerMethodBase.hpp"
#include "easynav_simple_common/SimpleMap.hpp"
#include "easynav_common/types/NavState.hpp"
 
namespace easynav
{

class SimplePlanner : public PlannerMethodBase
{
public:
  explicit SimplePlanner();

  virtual void on_initialize() override;

  void update(NavState & nav_state) override;
 
protected:
  double robot_radius_;        
  double clearance_distance_;  
 
  nav_msgs::msg::Path current_path_;  

  rclcpp::Publisher<nav_msgs::msg::Path>::SharedPtr path_pub_;

  std::vector<geometry_msgs::msg::Pose> a_star_path(
    const SimpleMap & map,
    const geometry_msgs::msg::Pose & start,
    const geometry_msgs::msg::Pose & goal,
    double resolution);

  bool isFreeWithClearance(
    const SimpleMap & map,
    int cx, int cy,
    double clearance_cells);
};
 
}  // namespace easynav
 
#endif  // EASYNAV_PLANNER__SIMPLEPLANNER_HPP_