OccupancyGridMap.h

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/*+-------------------------------------------------------------------------+
  |                       MultiVehicle simulator (libmvsim)                 |
  |                                                                         |
  | Copyright (C) 2014-2020  Jose Luis Blanco Claraco                       |
  | Copyright (C) 2017  Borys Tymchenko (Odessa Polytechnic University)     |
  | Distributed under 3-clause BSD License                                  |
  |   See COPYING                                                           |
  +-------------------------------------------------------------------------+ */

#pragma once

#include <mrpt/maps/COccupancyGridMap2D.h>
#include <mrpt/obs/CObservation2DRangeScan.h>
#include <mrpt/obs/CSinCosLookUpTableFor2DScans.h>
#include <mrpt/opengl/CPointCloud.h>
#include <mrpt/opengl/CSetOfObjects.h>
#include <mrpt/poses/CPose2D.h>
#include <mvsim/WorldElements/WorldElementBase.h>

#include <mutex>

namespace mvsim
{
class OccupancyGridMap : public WorldElementBase
{
        DECLARES_REGISTER_WORLD_ELEMENT(OccupancyGridMap)
   public:
        OccupancyGridMap(World* parent, const rapidxml::xml_node<char>* root);
        virtual ~OccupancyGridMap();

        virtual void loadConfigFrom(const rapidxml::xml_node<char>* root) override;

        virtual void simul_pre_timestep(const TSimulContext& context) override;

        const mrpt::maps::COccupancyGridMap2D& getOccGrid() const { return m_grid; }
        mrpt::maps::COccupancyGridMap2D& getOccGrid() { return m_grid; }

        void poses_mutex_lock() override {}
        void poses_mutex_unlock() override {}

   protected:
        virtual void internalGuiUpdate(
                mrpt::opengl::COpenGLScene& scene, bool childrenOnly) override;

        mrpt::maps::COccupancyGridMap2D m_grid;

        bool m_gui_uptodate;  
        mrpt::opengl::CSetOfObjects::Ptr m_gl_grid;

        struct TFixturePtr
        {
                b2Fixture* fixture;
                TFixturePtr() : fixture(nullptr) {}
        };

        struct TInfoPerCollidableobj
        {
                float max_obstacles_ranges;
                mrpt::poses::CPose2D pose;
                mrpt::obs::CObservation2DRangeScan::Ptr scan;
                b2Body* collide_body;
                std::vector<TFixturePtr> collide_fixtures;

                TInfoPerCollidableobj() : max_obstacles_ranges(0), collide_body(nullptr)
                {
                }
        };

        std::vector<TInfoPerCollidableobj> m_obstacles_for_each_obj;
        std::vector<mrpt::opengl::CSetOfObjects::Ptr> m_gl_obs_clouds;

        std::mutex m_gl_obs_clouds_buffer_cs;
        std::vector<mrpt::opengl::CPointCloud::Ptr> m_gl_obs_clouds_buffer;

        mrpt::obs::CSinCosLookUpTableFor2DScans m_sincos_lut;

        bool m_show_grid_collision_points;
        double m_restitution;  
        double m_lateral_friction;  
};
}  // namespace mvsim