eggParameters.h

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/**
 * 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 eggParameters.h
 * @author drose
 * @date 1999-01-16
 */

#ifndef EGGPARAMETERS_H
#define EGGPARAMETERS_H

#include "pandabase.h"

#include "numeric_types.h"

/**
 * The values stored in this structure are global parameters that control some
 * aspects of the egg library.  User code may adjust these parameters by
 * meddling with the values in structure directly, or by fiddling with the
 * pointer to completely replace the structure.
 *
 * However, these parameters should not be changed at any time during the
 * processing of any egg structure: set the parameters, load an egg file,
 * process it, and write the egg file out again before resetting the
 * parameters again.
 */
class EXPCL_PANDA_EGG EggParameters {
public:
  constexpr EggParameters() = default;

  // The per-component difference below which two vertices are deemed to be at
  // the same position.
  double _pos_threshold = 0.0001;

  // The per-component difference below which two vertices are deemed to have
  // the same normal.
  double _normal_threshold = 0.0001;

  // The per-component difference below which two vertices are deemed to have
  // the same texture coordinates.
  double _uv_threshold = 0.0001;

  // The per-component difference below which two vertices are deemed to have
  // the same color.
  PN_stdfloat _color_threshold = 1.0/256.0;

  // The per-component difference below which two anim table values are deemed
  // to be equivalent.
  double _table_threshold = 0.0001;
};

extern EXPCL_PANDA_EGG EggParameters *egg_parameters;

#endif