#ifndef __MATERIAL_H
#define __MATERIAL_H


namespace CHCDemo 
{

class Texture;

class RgbColor 
{

public:

  float r, g, b;

  RgbColor(): r(0.5f), g(0.5f), b(0.5f)
  {
  }

  RgbColor(float _r, float _g, float _b): r(_r), g(_g), b(_b)
  {
  }

  friend RgbColor
  RandomColor(float a = 0.0f, float b = 1.0f);

  // Mapping from interval 0.0-1.0 to RGB using "rainbow" color map
  // (range of hue from 0-240)

  friend RgbColor RainbowColorMapping(float value);
  
};


// Forward declarations
RgbColor RandomColor(const float a, const float b);

// Mapping from interval 0.0-1.0 to RGB using "rainbow" color map
// (range of hue from 0-240)
RgbColor RainbowColorMapping(const float value);

  

class Material 
{
public:

  RgbColor mDiffuseColor;
  RgbColor mSpecularColor;
  RgbColor mAmbientColor;
  
  Material();
  
  Material(int id);

  Material(const RgbColor &color);
  /** Returns unique material id.
  */
  int GetId() const;

  friend Material RandomMaterial();

  Texture *GetTexture() const { return mTexture; }

  void SetTexture(Texture *texture) { mTexture = texture; }
  /** Renders this material.
  */
  void Render();

protected:

	/** Initialize the material with default values
	*/
	void InitMaterial();

	/// unique material id
	int mId;
	/// the assciated texture
	Texture *mTexture;
};


extern Material RandomMaterial();

}

#endif