trajectory_generator.hpp

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#ifndef DWB_CORE__TRAJECTORY_GENERATOR_HPP_
#define DWB_CORE__TRAJECTORY_GENERATOR_HPP_
 
#include <vector>
#include <string>
#include <memory>
#include "nav_2d_msgs/msg/twist2_d.hpp"
#include "dwb_msgs/msg/trajectory2_d.hpp"
#include "nav2_ros_common/lifecycle_node.hpp"
 
namespace dwb_core
{
 
class TrajectoryGenerator
{
public:
  typedef std::shared_ptr<dwb_core::TrajectoryGenerator> Ptr;
 
  virtual ~TrajectoryGenerator() {}
 
  virtual void initialize(
    const nav2::LifecycleNode::SharedPtr & nh,
    const std::string & plugin_name) = 0;
  virtual void activate() = 0;
  virtual void deactivate() = 0;
  virtual void reset() {}
  virtual void startNewIteration(const nav_2d_msgs::msg::Twist2D & current_velocity) = 0;
 
  virtual bool hasMoreTwists() = 0;
 
  virtual nav_2d_msgs::msg::Twist2D nextTwist() = 0;
 
  virtual std::vector<nav_2d_msgs::msg::Twist2D> getTwists(
    const nav_2d_msgs::msg::Twist2D & current_velocity)
  {
    std::vector<nav_2d_msgs::msg::Twist2D> twists;
    startNewIteration(current_velocity);
    while (hasMoreTwists()) {
      twists.push_back(nextTwist());
    }
    return twists;
  }
 
  virtual dwb_msgs::msg::Trajectory2D generateTrajectory(
    const geometry_msgs::msg::Pose & start_pose,
    const nav_2d_msgs::msg::Twist2D & start_vel,
    const nav_2d_msgs::msg::Twist2D & cmd_vel) = 0;
 
  virtual void setSpeedLimit(const double & speed_limit, const bool & percentage) = 0;
};
 
}  // namespace dwb_core
 
#endif  // DWB_CORE__TRAJECTORY_GENERATOR_HPP_