CameraSensor.h

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/*+-------------------------------------------------------------------------+
  |                       MultiVehicle simulator (libmvsim)                 |
  |                                                                         |
  | Copyright (C) 2014-2024  Jose Luis Blanco Claraco                       |
  | Copyright (C) 2017  Borys Tymchenko (Odessa Polytechnic University)     |
  | Distributed under 3-clause BSD License                                  |
  |   See COPYING                                                           |
  +-------------------------------------------------------------------------+ */
 
#pragma once
 
#include <mrpt/obs/CObservationImage.h>
#include <mrpt/opengl/CFBORender.h>
#include <mvsim/Sensors/SensorBase.h>
 
#include <mutex>
 
namespace mvsim
{
class CameraSensor : public SensorBase
{
        DECLARES_REGISTER_SENSOR(CameraSensor)
 
   public:
        CameraSensor(Simulable& parent, const rapidxml::xml_node<char>* root);
        virtual ~CameraSensor();
 
        // See docs in base class
        virtual void loadConfigFrom(const rapidxml::xml_node<char>* root) override;
 
        virtual void simul_pre_timestep(const TSimulContext& context) override;
        virtual void simul_post_timestep(const TSimulContext& context) override;
 
        void simulateOn3DScene(mrpt::opengl::COpenGLScene& gl_scene) override;
 
        void freeOpenGLResources() override;
 
   protected:
        virtual void internalGuiUpdate(
                const mrpt::optional_ref<mrpt::opengl::COpenGLScene>& viz,
                const mrpt::optional_ref<mrpt::opengl::COpenGLScene>& physical, bool childrenOnly) override;
 
        void notifySimulableSetPose(const mrpt::math::TPose3D& newPose) override;
 
        mrpt::math::TPose3D getRelativePose() const override { return sensor_params_.sensorPose(); }
        void setRelativePose(const mrpt::math::TPose3D& p) override
        {
                sensor_params_.setSensorPose(mrpt::poses::CPose3D(p));
        }
 
        // Store here all sensor intrinsic parameters. This obj will be copied as a
        // "pattern" to fill it with actual scan data.
        mrpt::obs::CObservationImage sensor_params_;
 
        std::mutex last_obs_cs_;
        mrpt::obs::CObservationImage::Ptr last_obs_;
        mrpt::obs::CObservationImage::Ptr last_obs2gui_;
 
        std::shared_ptr<mrpt::opengl::CFBORender> fbo_renderer_rgb_;
 
        bool gui_uptodate_ = false;
 
        std::optional<TSimulContext> has_to_render_;
        std::mutex has_to_render_mtx_;
 
        float rgbClipMin_ = 1e-2, rgbClipMax_ = 1e+4;
 
        mrpt::opengl::CSetOfObjects::Ptr gl_sensor_origin_, gl_sensor_origin_corner_;
        mrpt::opengl::CSetOfObjects::Ptr gl_sensor_fov_, gl_sensor_frustum_;
};
}  // namespace mvsim