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#ifndef __MINI_MESH_H

#define __MINI_MESH_H

#include "IndexedFaceSet.h"

#include "Material.h"

namespace Geometry

{

	/** \brief A Triangle Mesh struct. 

	    This struct contains three indexed face sets, one for geometry,

			textures, and normals. It also contains a vector of materials and a

			vector of texture maps.

			A number of functions are defined allowing for rendering of the triangle

			mesh. */

	class TriMesh 

	{

		public:

		// ------- DATA -------

		/// Name of model

		std::string name;

		/// Indexed face set for the actual geometry

		IndexedFaceSet geometry;

		/// Indexed face set for the normals

		IndexedFaceSet normals;

		/// Indexed face set for the texture coordinates.

		IndexedFaceSet texcoords;

		/// Material indices for all faces

		std::vector<int> mat_idx;

		/// Texture indices for all faces

		std::vector<int> tex_idx;

		/// Vector of materials

		std::vector<Material> materials;

		// -------- FUNCTIONS -----------

		/// Get an axis aligned bounding box for the model.

		void get_bbox(CGLA::Vec3f& p0, CGLA::Vec3f& p7) const;

		/// Get a bounding sphere for the model.

		void get_bsphere(CGLA::Vec3f& c, float& r) const;

		/// Returns true if at least one normal has been defined.

		bool has_normals() const 

		{

			return normals.no_faces()>0;

		}

		/// Find a material from its name

		int find_material(const std::string&) const;

		/// Compute normals for the mesh. Does not check if there are normals.

		void compute_normals();

	};

}

#endif