/*****************************************************************************************
 *                                                                                       *
 * OpenSpace                                                                             *
 *                                                                                       *
 * Copyright (c) 2014-2016                                                               *
 *                                                                                       *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this  *
 * software and associated documentation files (the "Software"), to deal in the Software *
 * without restriction, including without limitation the rights to use, copy, modify,    *
 * merge, publish, distribute, sublicense, and/or sell copies of the Software, and to    *
 * permit persons to whom the Software is furnished to do so, subject to the following   *
 * conditions:                                                                           *
 *                                                                                       *
 * The above copyright notice and this permission notice shall be included in all copies *
 * or substantial portions of the Software.                                              *
 *                                                                                       *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,   *
 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A         *
 * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT    *
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF  *
 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE  *
 * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                                         *
 ****************************************************************************************/

#ifndef RENDERABLESHADOWCYLINDER_H_
#define RENDERABLESHADOWCYLINDER_H_

#include <openspace/rendering/renderable.h>

#include <openspace/properties/stringproperty.h>
#include <openspace/properties/vectorproperty.h>
#include <openspace/util/updatestructures.h>
#include <openspace/util/spicemanager.h>

namespace ghoul {
    namespace filesystem {
        class File;
    }
    namespace opengl {
        class ProgramObject;
        class Texture;
    }
}

namespace openspace {
    struct LinePoint;
    class RenderableShadowCylinder : public Renderable {

    public:
        RenderableShadowCylinder(const ghoul::Dictionary& dictionary);
        ~RenderableShadowCylinder();

        bool initialize() override;
        bool deinitialize() override;

        bool isReady() const override;

        void render(const RenderData& data) override;
        void update(const UpdateData& data) override;

    private:
        struct CylinderVBOLayout {
            CylinderVBOLayout(double a1, double a2, double a3, double a4){
                x = a1;
                y = a2;
                z = a3;
                e = a4;
            }
            float x, y, z, e;
        };

        void createCylinder();
        properties::IntProperty _numberOfPoints;
        properties::FloatProperty _shadowLength;
        properties::Vec4Property _shadowColor;

        std::unique_ptr<ghoul::opengl::ProgramObject> _shader;
        
        glm::dmat3 _stateMatrix;

        GLuint _vao;
        GLuint _vbo;

        std::vector<CylinderVBOLayout> _vertices;

        std::string _terminatorType;
        std::string _lightSource;
        std::string _observer;
        std::string _body;
        std::string _bodyFrame;
        std::string _mainFrame;
        SpiceManager::AberrationCorrection _aberration;
        
        double _time;
    };

} // namespace openspace
#endif // RENDERABLESHADOWCYLINDER_H_

