// -*- C++ -*-

/* 
 * Gnome Crystal
 * atom.cc 
 *
 * Copyright (C) 2000-2004 Jean Bréfort <jean.brefort@normalesup.org>
 *
 * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
 * USA
 */

#include "config.h"
#include "gcrystal.h"
#include "atom.h"
#include <gcu/element.h>
#include <glib.h>
#include <GL/gl.h>
#include <GL/glu.h>
#include <cmath>
#include <cstring>

gcAtom::gcAtom(): CrystalAtom()
{
}

gcAtom::~gcAtom()
{
}

gcAtom::gcAtom(int Z, double x, double y, double z): CrystalAtom(Z, x, y, z)
{
}

gcAtom::gcAtom(gcAtom& caAtom): CrystalAtom((CrystalAtom&)caAtom)
{
}

gcAtom& gcAtom::operator=(gcAtom& caAtom)
{
	(CrystalAtom&)*this = (CrystalAtom&)caAtom;
	return *this ;
}

bool gcAtom::LoadOld(xmlNodePtr node, unsigned version)
{
	char *txt;
	xmlNodePtr child = node->children;
	while(child)
	{
		if (!strcmp((gchar*)child->name, "element"))
		{
			txt = (char*)xmlNodeGetContent(child);
			if (txt)
			{
				m_Z = Element::Z(txt);
				xmlFree(txt);
			}
		}
		else if (!strcmp((gchar*)child->name, "position"))
		{
			txt = (char*)xmlNodeGetContent(child);
			if (txt)
			{
				sscanf(txt, "%lg %lg %lg", &m_x, &m_y, &m_z);
				xmlFree(txt);
			}
		}
		else if (!strcmp((gchar*)child->name, "color"))
		{
			txt = (char*)xmlNodeGetContent(child);
			if (txt)
			{
				if (version < 0x200) sscanf(txt, "%g %g %g %g", &m_fBlue, &m_fRed, &m_fGreen, &m_fAlpha);
				else sscanf(txt, "%g %g %g %g", &m_fRed, &m_fGreen, &m_fBlue, &m_fAlpha);
				xmlFree(txt);
			}
		}
		else if (!strcmp((gchar*)child->name, "radius")) {
			txt = (char*) xmlNodeGetContent (child);
			if (txt) {
				sscanf (txt, "%lg", &m_Radius.value.value);
				xmlFree (txt);
			}
		}
		child = child->next;
	}
	if (m_Radius.value.value <= 0)
		return false;
	return true;
}
