/*!
  \file material.h
  \brief Contains the Material Class that handles Material for 3D-Objects.
*/

#ifndef _MATERIAL_H
#define _MATERIAL_H

extern int verbose; //!< will be obsolete soon.

#include <GL/gl.h>
#include <GL/glu.h>
#include <SDL/SDL.h>
#include <stdlib.h>
#include <fstream>

#if HAVE_CONFIG_H 
#include <config.h> 
#endif

#ifdef HAVE_SDL_SDL_IMAGE_H
#include <SDL/SDL_image.h>
#else
// IMAGE LIBS //
extern "C"{         // This has to be done, because not a c++ lib
#include <jpeglib.h>
}
#include <png.h>
#endif

//! Class to handle Materials.
class Material
{
 public:
  Material ();
  Material (char* mtlName);
  Material* addMaterial(char* mtlName);
  ~Material ();
  void init(void);

  Material* search (char* mtlName);
  bool select (void);

  void setName (char* mtlName);
  char* getName (void);
  void setIllum (int illum);
  void setIllum (char* illum);
  void setDiffuse (float r, float g, float b);
  void setDiffuse (char* rgb);
  void setAmbient (float r, float g, float b);
  void setAmbient (char* rgb);
  void setSpecular (float r, float g, float b);
  void setSpecular (char* rgb);
  void setShininess (float shini);
  void setShininess (char* shini);
  void setTransparency (float trans);
  void setTransparency (char* trans);




  // MAPPING //
  void setDiffuseMap(char* dMap);
  void setAmbientMap(char* aMap);
  void setSpecularMap(char* sMap);
  void setBump(char* bump);


 private:
  struct Image
  {
    int rowSpan;
    GLuint width;
    GLuint height;
    GLuint bpp;
    GLuint type;
    GLubyte *data;
  };


  char* name;
  int illumModel;
  float diffuse [4];
  float ambient [4];
  float specular [4];
  float shininess;
  float transparency;

  GLuint diffuseTexture;
  GLuint ambientTexture;
  GLuint specularTexture;
  
  bool diffuseTextureSet;
  bool ambientTextureSet;
  bool specularTextureSet;

  Material* nextMat; //!< pointer to the Next Material of the List. NULL if no next exists.

  // TEXTURING
  bool loadTexToGL (Image* pImage, GLuint* texture);

  bool loadImage(char* imageName, GLuint* texture);
#ifndef HAVE_SDL_SDL_IMAGE_H

  bool loadBMP (char* bmpName, GLuint* texture);

  bool loadJPG (char* jpgName, GLuint* texture);

  /// TGA ///

  bool loadTGA(const char * tgaName, GLuint* texture);
  bool loadUncompressedTGA(const char * filename, FILE * fTGA, GLuint* texture);
  bool loadCompressedTGA(const char * filename, FILE * fTGA, GLuint* texture);

  bool loadPNG(const char* pngName, GLuint* texture);
#endif
};
#endif