/*
   model/quad.h
   This file is part of the Osirion project and is distributed under
   the terms of the GNU General Public License version 2
*/

#ifndef __INCLUDED_MODEL_QUAD_H__
#define __INCLUDED_MODEL_QUAD_H__

#include "math/vector2f.h"
#include "math/vector3f.h"

namespace model
{

/// a model quad
class Quad
{
public:
	/**
	 * @brief a new quad with 4 vertices
	 * this constructor assigns the face normal to every vertex normal
	 */
	Quad(const math::Vector3f &v0, const  math::Vector3f &v1, const math::Vector3f &v2, const math::Vector3f &v3, const math::Vector3f &normal, const bool detail = false);
	/// delete quad
	~Quad();

	/// quad vertex 0
	inline math::Vector3f & v0() {
		return quad_v0;
	}

	/// quad vertex 0 normal
	inline math::Vector3f & n0() {
		return quad_n0;
	}

	/// quad vertex 0 texture coordinates
	inline math::Vector2f & t0() {
		return quad_t0;
	}

	/// quad vertex 1
	inline math::Vector3f & v1() {
		return quad_v1;
	}

	/// quad vertex 1 normal
	inline math::Vector3f & n1() {
		return quad_n1;
	}

	/// quad vertex 1 texture coordinates
	inline math::Vector2f & t1() {
		return quad_t1;
	}

	/// quad vertex 2
	inline math::Vector3f & v2() {
		return quad_v2;
	}

	/// quad vertex 2 normal
	inline math::Vector3f & n2() {
		return quad_n2;
	}

	/// quad vertex 2 texture coordinates
	inline math::Vector2f & t2() {
		return quad_t2;
	}

	/// quad vertex 3
	inline math::Vector3f & v3() {
		return quad_v3;
	}

	/// quad vertex 3 normal
	inline math::Vector3f & n3() {
		return quad_n3;
	}

	/// quad vertex 3 texture coordinates
	inline math::Vector2f & t3() {
		return quad_t3;
	}

	/// indidcates if this quad was generated from a detail brush
	inline bool detail() const {
		return quad_detail;
	}

private:

	math::Vector3f 		quad_v0;
	math::Vector3f 		quad_n0;
	math::Vector2f		quad_t0;

	math::Vector3f 		quad_v1;
	math::Vector3f 		quad_n1;
	math::Vector2f		quad_t1;

	math::Vector3f 		quad_v2;
	math::Vector3f 		quad_n2;
	math::Vector2f		quad_t2;

	math::Vector3f 		quad_v3;
	math::Vector3f 		quad_n3;
	math::Vector2f		quad_t3;

	bool			quad_detail;
};

}

#endif // __INCLUDED_MODEL_QUAD_H__