/*
Copyright (C) 1999-2006 Id Software, Inc. and contributors.
For a list of contributors, see the accompanying CONTRIBUTORS file.

This file is part of GtkRadiant.

GtkRadiant is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

GtkRadiant is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/

#if !defined(INCLUDED_MD3NORMALS_H)
#define INCLUDED_MD3NORMALS_H

#include "render.h"

typedef unsigned char byte;

// latitude-longditude to normal conversion
inline Normal3f DecodeNormal(const byte bytes[2])
{
	double lat = bytes[0] * (c_pi/128.0);
	double lng = bytes[1] * (c_pi/128.0);

	return Normal3f(
    static_cast<float>(cos(lat) * sin(lng)),
	  static_cast<float>(sin(lat) * sin(lng)),
	  static_cast<float>(cos(lng))
  );
}

#endif