Link.hh

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/*
 * Copyright (C) 2019 Open Source Robotics Foundation
 *
 * 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 IGNITION_GAZEBO_LINK_HH_
#define IGNITION_GAZEBO_LINK_HH_

#include <memory>
#include <optional>
#include <string>

#include <ignition/math/Pose3.hh>
#include <ignition/math/Quaternion.hh>
#include <ignition/math/Vector3.hh>

#include <ignition/gazebo/config.hh>
#include <ignition/gazebo/EntityComponentManager.hh>
#include <ignition/gazebo/Export.hh>
#include <ignition/gazebo/Model.hh>
#include <ignition/gazebo/Types.hh>

namespace ignition
{
  namespace gazebo
  {
    // Inline bracket to help doxygen filtering.
    inline namespace IGNITION_GAZEBO_VERSION_NAMESPACE {
    // Forward declarations.
    class IGNITION_GAZEBO_HIDDEN LinkPrivate;
    //
    class IGNITION_GAZEBO_VISIBLE Link
    {
      public: explicit Link(gazebo::Entity _entity = kNullEntity);

      public: Link(const Link &_link);

      public: Link(Link &&_link) noexcept;

      public: Link &operator=(Link &&_link) noexcept;

      public: Link &operator=(const Link &_link);

      public: ~Link();

      public: gazebo::Entity Entity() const;

      public: void ResetEntity(gazebo::Entity _newEntity);

      public: bool Valid(const EntityComponentManager &_ecm) const;

      public: std::optional<std::string> Name(
          const EntityComponentManager &_ecm) const;

      public: std::optional<Model> ParentModel(
          const EntityComponentManager &_ecm) const;

      public: std::optional<math::Pose3d> WorldPose(
          const EntityComponentManager &_ecm) const;

      public: std::optional<math::Pose3d> WorldInertialPose(
          const EntityComponentManager &_ecm) const;

      public: std::optional<math::Vector3d> WorldLinearVelocity(
          const EntityComponentManager &_ecm) const;

      public: std::optional<math::Vector3d> WorldLinearVelocity(
          const EntityComponentManager &_ecm,
          const math::Vector3d &_offset) const;

      public: std::optional<math::Vector3d> WorldAngularVelocity(
          const EntityComponentManager &_ecm) const;

      public: std::optional<math::Vector3d> WorldLinearAcceleration(
          const EntityComponentManager &_ecm) const;

      public: std::optional<math::Matrix3d> WorldInertiaMatrix(
          const EntityComponentManager &_ecm) const;

      public: void AddWorldForce(EntityComponentManager &_ecm,
                                 const math::Vector3d &_force) const;

      private: std::unique_ptr<LinkPrivate> dataPtr;
    };
    }
  }
}
#endif