renderable.h

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#ifndef PRIMITIVE_H
#define PRIMITIVE_H

#include "raytrace_defs.h"
#include "material.h"
#include "bumpmap.h"
#include "ray.h"
#include "xml_util.h"

class Renderable {
    public:
        virtual ~Renderable() {}

        virtual bool collides_with(const Ray &ray, double &t) const = 0;

        virtual Magick::Color get_color(const Point3D& intersection_point) const ;

        virtual double get_diffuse(const Point3D& intersection_point) const;

        virtual double get_reflection(const Point3D& intersection_point) const;

        virtual double get_specular(const Point3D& intersection_point) const ;

        virtual double get_reflectivity(const Point3D& intersection_point) const ;

        virtual double get_opacity(const Point3D& intersection_point) const ;

        virtual double get_refraction_index(const Point3D& intersection_point) const ;

        virtual bool is_light(const Point3D& intersection_point) const ;

        virtual bool set_is_light(bool ) ;

        virtual Ray get_normal(const Point3D &p) const = 0;

        bool initialize(xmlNode * node);


        virtual Magick::Color get_color_contribution(const Point3D &intersection_point, const Ray &ray, Vector &reflect, Vector &refract) ;

        bool is_in_shadow(const Ray &ray_to_light, const Point3D intersection_point) {
            double dist = INF;
            Renderable * prim = NULL;
            Scene * scene = Scene::get_instance();

            prim = scene->find_collision(ray_to_light, dist);

            if ( this == prim ) {
                return false;
            }

            return (prim != NULL && !prim->is_light(intersection_point));
        }

        virtual const Point3D get_center() const
        {
            return m_center;
        }

    protected:
        Material * m_material ;

        Point3D m_center;


        BumpMap * m_bumpmap;

        
        bool m_center_material;
    private:
        Ray get_final_normal(const Point3D &p) ;
};

#endif

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