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#ifndef __GEOMETRY_MATERIAL_H__

#define __GEOMETRY_MATERIAL_H__

#include <string>

#include <vector>

#include "CGLA/Vec3f.h"

#include "CGLA/Vec3i.h"

namespace Geometry

{

		struct Material

		{

				/// Name of material

				std::string name;

				/// Diffuse reflection

				float diffuse[4];			

				/// Ambient reflection

				float ambient[4];

				/// Specular reflection

				float specular[4];		

				/// Specular exponent

				float shininess;			

        /// Index of refraction in the inverted normal direction ("inside")

        float ior_in;

        /// Index of refraction in the normal direction ("outside")

        float ior_out;

        /// Transmission filter

        float transmission[3];

        /** Illumination model

              1 - Color and ambient

              2 - Color and ambient and highlight

              3 - Reflection

              4 - Reflection and refraction

            Refer to the MTL format specification for more models. 

            Only numbers from 0 to 10 have a specific meaning. */

        int illum;

        bool has_texture;

				std::string tex_path, tex_name;

				int tex_id;

			Material():	name("default"),

					 tex_path(""), tex_name(""), tex_id(-1) 

						{

                ior_in = 1.5f;

                ior_out = 1.0f;

								shininess = 0.0f;

								diffuse[0] = 0.8f;

								diffuse[1] = 0.8f;

								diffuse[2] = 0.8f;

								diffuse[3] = 1.0f;

								ambient[0] = 0.2f;

								ambient[1] = 0.2f;

								ambient[2] = 0.2f;

								ambient[3] = 1.0f;

								specular[0] = 0.0f;

								specular[1] = 0.0f;

								specular[2] = 0.0f;

								specular[3] = 1.0f;

                transmission[0] = 0.0f;

                transmission[1] = 0.0f;

                transmission[2] = 0.0f;

                illum = 2;

						}

		};

}

#endif