/**
 * PANDA 3D SOFTWARE
 * Copyright (c) Carnegie Mellon University.  All rights reserved.
 *
 * All use of this software is subject to the terms of the revised BSD
 * license.  You should have received a copy of this license along
 * with this source code in a file named "LICENSE."
 *
 * @file eggQtess.h
 * @author drose
 * @date 2003-10-13
 */

#ifndef EGGQTESS_H
#define EGGQTESS_H

#include "pandatoolbase.h"
#include "eggFilter.h"
#include "qtessInputFile.h"
#include "qtessSurface.h"
#include "pointerTo.h"
#include "pvector.h"

/**
 * A program to tesselate NURBS surfaces appearing within an egg file into
 * polygons, using variations on a quick uniform tesselation.
 */
class EggQtess : public EggFilter {
public:
  EggQtess();

  void run();

protected:
  virtual bool handle_args(ProgramBase::Args &args);

private:
  void describe_qtess_format();
  void find_surfaces(EggNode *egg_node);

  Filename _qtess_filename;
  double _uniform_per_isoparam;
  int _uniform_per_surface;
  int _total_tris;
  bool _qtess_output;
  bool _describe_qtess;

  QtessInputFile _qtess_file;

  typedef pvector< PT(QtessSurface) > Surfaces;
  Surfaces _surfaces;
};

#endif