/*! --------------------------------------------------------------------

  \file   skybox.h

  \brief  Encapsulate a skybox

  \author James Kuffner
  \date   2002-09-18

// -------------------------------------------------------------------*/

#ifndef __SKYBOX_H__
#define __SKYBOX_H__

#ifndef IGNORE_DEPEND
#include <assert.h>
#endif

#include "texturemap.h"

//---------------------------------------------------------------------
//                            Skybox
//
//! Class to encapsulate a skybox
//
//---------------------------------------------------------------------
class Skybox {
 public:
  Skybox() {}
  virtual ~Skybox() {}

  //! Initialize the skybox
  bool Init(const char* skyboxPath);

  //! the 6 skybox textures
  enum SkyTextureEnum {
    SKYBOX_FRONT = 0,
    SKYBOX_BACK,
    SKYBOX_RIGHT,
    SKYBOX_LEFT,
    SKYBOX_UP,
    SKYBOX_DOWN,
    NUM_SKY_TEXTURES
  };

  //! Access individual skybox textures
  TextureMap& GetTextureMap(SkyTextureEnum whichMap)
    { assert (whichMap<NUM_SKY_TEXTURES);  return _skyBoxTexture[whichMap]; }

  //! Render the skybox using the current viewing transform
  bool Render() const;

 private:
  // Data

  //! skybox textures
  TextureMap _skyBoxTexture[NUM_SKY_TEXTURES];
};

#endif  // __SKYBOX_H__