goto_vec.cpp

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// Copyright 2024 Robin Müller
//
// 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
//
//      https://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.
 
#include <Eigen/Geometry>
 
#include "auto_apms_behavior_tree/node.hpp"
#include "auto_apms_interfaces/action/go_to.hpp"
 
#define INPUT_KEY_VEC "vector"
 
namespace auto_apms_px4
{
 
class GoToVectorAction : public auto_apms_behavior_tree::RosActionNode<auto_apms_interfaces::action::GoTo>
{
public:
  using RosActionNode::RosActionNode;
 
  static BT::PortsList providedPorts()
  {
    return providedBasicPorts(
        { BT::InputPort<Eigen::Vector3d>(INPUT_KEY_VEC, "Target position as a pointer to a vector") });
  }
 
  bool setGoal(Goal& goal)
  {
    if (auto any_locked = getLockedPortContent(INPUT_KEY_VEC))
    {
      if (any_locked->empty())
      {
        RCLCPP_ERROR(logger_, "%s - Value at blackboard entry {%s} is empty", name().c_str(), INPUT_KEY_VEC);
        return false;
      }
      else if (Eigen::Vector3d* vec_ptr = any_locked->castPtr<Eigen::Vector3d>())
      {
        goal.lat = vec_ptr->x();
        goal.lon = vec_ptr->y();
        goal.alt = vec_ptr->z();
        goal.head_towards_destination = true;
        return true;
      }
      else
      {
        RCLCPP_ERROR(logger_, "%s - Failed to cast pointer {%s}", name().c_str(), INPUT_KEY_VEC);
        return false;
      }
    }
    RCLCPP_ERROR(logger_, "%s - getLockedPortContent() failed for argument %s", name().c_str(), INPUT_KEY_VEC);
    return false;
  }
};
 
}  // namespace auto_apms_px4
 
AUTO_APMS_BEHAVIOR_TREE_REGISTER_NODE(auto_apms_px4::GoToVectorAction)