/**
 * 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 cLwoSurface.h
 * @author drose
 * @date 2001-04-25
 */

#ifndef CLWOSURFACE_H
#define CLWOSURFACE_H

#include "pandatoolbase.h"

#include "cLwoSurfaceBlock.h"

#include "lwoSurface.h"
#include "luse.h"
#include "eggTexture.h"
#include "eggMaterial.h"
#include "pt_EggTexture.h"
#include "pt_EggMaterial.h"
#include "vector_PT_EggVertex.h"

#include "pmap.h"

class LwoToEggConverter;
class LwoSurfaceBlock;
class EggPrimitive;

/**
 * This class is a wrapper around LwoSurface and stores additional information
 * useful during the conversion-to-egg process.
 */
class CLwoSurface {
public:
  CLwoSurface(LwoToEggConverter *converter, const LwoSurface *surface);
  ~CLwoSurface();

  INLINE const std::string &get_name() const;

  void apply_properties(EggPrimitive *egg_prim,
                        vector_PT_EggVertex &egg_vertices,
                        PN_stdfloat &smooth_angle);
  bool check_texture();
  bool check_material();

  INLINE bool has_named_uvs() const;
  INLINE const std::string &get_uv_name() const;


  enum Flags {
    F_rgb          = 0x0001,
    F_diffuse      = 0x0002,
    F_luminosity   = 0x0004,
    F_specular     = 0x0008,
    F_reflection   = 0x0010,
    F_transparency = 0x0020,
    F_gloss        = 0x0040,
    F_translucency = 0x0080,
    F_smooth_angle = 0x0100,
    F_backface     = 0x0200,
  };

  int _flags;
  LRGBColor _rgb;
  PN_stdfloat _diffuse;
  PN_stdfloat _luminosity;
  PN_stdfloat _specular;
  PN_stdfloat _reflection;
  PN_stdfloat _transparency;
  PN_stdfloat _gloss;
  PN_stdfloat _translucency;
  PN_stdfloat _smooth_angle;
  bool _backface;

  LColor _color;
  LColor _diffuse_color;

  LwoToEggConverter *_converter;
  CPT(LwoSurface) _surface;

  bool _checked_material;
  PT_EggMaterial _egg_material;

  bool _checked_texture;
  PT_EggTexture _egg_texture;

  CLwoSurfaceBlock *_block;

private:
  void generate_uvs(vector_PT_EggVertex &egg_vertices);

  LPoint2d map_planar(const LPoint3d &pos, const LPoint3d &centroid) const;
  LPoint2d map_spherical(const LPoint3d &pos, const LPoint3d &centroid) const;
  LPoint2d map_cylindrical(const LPoint3d &pos, const LPoint3d &centroid) const;
  LPoint2d map_cubic(const LPoint3d &pos, const LPoint3d &centroid) const;

  // Define a pointer to one of the above member functions.
  LPoint2d (CLwoSurface::*_map_uvs)(const LPoint3d &pos, const LPoint3d &centroid) const;
};

#include "cLwoSurface.I"

#endif