ObstacleAvoidingPlatformUnitHelper.h

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/*
 * This file is part of ArmarX.
 *
 * ArmarX is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * ArmarX is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 *
 * @package    RobotAPI::ArmarXObjects::ObstacleAvoidingPlatformUnit
 * @author     Christian R. G. Dreher <c.dreher@kit.edu>
 * @date       2020
 * @copyright  http://www.gnu.org/licenses/gpl-2.0.txt
 *             GNU General Public License
 */
 
 
#pragma once
 
 
// Eigen
#include <Eigen/Core>
 
// Simox
#include <VirtualRobot/VirtualRobot.h>
 
// RobotAPI
#include <RobotAPI/components/units/ObstacleAvoidingPlatformUnit/ObstacleAvoidingPlatformUnit.h>
 
namespace armarx
{
 
    class ObstacleAvoidingPlatformUnitHelper
    {
 
    public:
        struct Config
        {
            float pos_reached_threshold = 10; // [mm]
            float ori_reached_threshold = 0.1; // [rad]
            float pos_near_threshold = 50; // [mm]
            float ori_near_threshold = 0.2; // [rad]
        };
 
        struct Target
        {
            Eigen::Vector2f pos;
            float ori;
        };
 
    public:
        ObstacleAvoidingPlatformUnitHelper(armarx::PlatformUnitInterfacePrx platform_unit,
                                           VirtualRobot::RobotPtr robot);
 
        ObstacleAvoidingPlatformUnitHelper(armarx::PlatformUnitInterfacePrx platform_unit,
                                           VirtualRobot::RobotPtr robot,
                                           const Config& cfg);
 
        virtual ~ObstacleAvoidingPlatformUnitHelper();
 
        void setTarget(const Eigen::Vector2f& target_pos, float target_ori);
 
        void setTarget(const Target& target);
 
        Target getCurrentTarget() const;
 
        void update();
 
        void setWaypoints(const std::vector<Target>& waypoints);
 
        void addWaypoint(const Eigen::Vector2f& waypoint_pos, float waypoint_ori);
 
        void addWaypoint(const Target& waypoint);
 
        bool isLastWaypoint() const;
 
        bool isCurrentTargetNear() const;
 
        bool isCurrentTargetReached() const;
 
        bool isFinalTargetNear() const;
 
        bool isFinalTargetReached() const;
 
        void setMaxVelocities(float max_vel, float max_angular_vel);
 
        float getPositionError() const;
 
        float getOrientationError() const;
 
    private:
        armarx::PlatformUnitInterfacePrx m_platform_unit;
 
        VirtualRobot::RobotPtr m_robot;
 
        std::vector<Target> m_waypoints;
        unsigned int m_current_waypoint_index = 0;
        bool m_waypoint_changed = false;
 
        Config m_cfg;
    };
 
} // namespace armarx