/*!
 * \file SimuCameraGL.h
 * \brief Class for a simulation camera
 * \author Guillaume Sanahuja, Copyright Heudiasyc UMR UTC/CNRS 7253
 * \date 2014/03/07
 * \version 3.4
 */

#ifndef SIMUCAMERAGL_H
#define SIMUCAMERAGL_H

#include <SimuCamera.h>
#include <SensorGL.h>
#include <ISceneNodeAnimator.h>

// in order to get function prototypes from glext.h, define GL_GLEXT_PROTOTYPES before including glext.h
#define GL_GLEXT_PROTOTYPES
#include <GL/gl.h>

namespace irr
{
    namespace scene
    {
        class ICameraSceneNode;
    }
}

namespace flair
{
    namespace gui
    {
        class DoubleSpinBox;
        class Vector3DSpinBox;
    }
    namespace simulator
    {
        class Model;
    }
}

namespace flair
{
namespace sensor
{
    /*! \class SimuCameraGL
    * \brief Class for a simulation camera
    *
    */
    class SimuCameraGL : public SimuCamera, public SensorGL, public irr::scene::ISceneNodeAnimator
    {
        public:
            //top left origin
            SimuCameraGL(const simulator::Model* parent,std::string name,int width,int height,int x,int y,int dev_id);
            ~SimuCameraGL();
            //! Sets the value of the near clipping plane. (default: 1.0f)
            /** \param zn: New z near value. */
            void setNearValue(float zn);

            //! Sets the value of the far clipping plane (default: 2000.0f)
            /** \param zf: New z far value. */
            void setFarValue(float zf);

        private:
            void UpdateFrom(const core::io_data *data);
            void animateNode(irr::scene::ISceneNode* node, irr::u32 timeMs);
            ISceneNodeAnimator* createClone(irr::scene::ISceneNode* node,irr::scene::ISceneManager* newManager=0);
            void getImage(void);
            void putImage(char* pixels);
            irr::scene::ICameraSceneNode* camera;
            irr::scene::ISceneManager* smgr;
            gui::Vector3DSpinBox *position,*direction,*up;
            gui::DoubleSpinBox *fov;
            int width,height,x,y;
            char* buffer;
            bool use_pbo,invert_pixel,disable_output;
            GLuint *pboIds;
            int index ;
    };
} // end namespace simulator
} // end namespace flair
#endif // SIMUCAMERAGL_H