/*
Danger from the Deep - Open source submarine simulation
Copyright (C) 2003-2006  Thorsten Jordan, Luis Barrancos and others.

This program 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.

This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#ifndef STARS_H
#define STARS_H


#include <vector>

#include "vector3.h"
#include "color.h"
#include "vertexbufferobject.h"


/*
	FIXME:
	 Add motion and accurate position calculation.
	 Add credit for stars catalogue (http://astronexus.com/)
	
*/

///\brief Stars rendering.
class stars
{
private:
	vertexbufferobject star_positions;
	mutable vertexbufferobject star_colors_VBO;
	std::vector<colorf> star_colors;
	unsigned int star_count_static, star_count;

public:
	stars(const float max_magnitude = 5.8f); // mag==6.0 => ~5000 stars
	
	void display(const float max_view_dist) const;
};

#endif