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HudBase.h

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#ifndef _HUDBASE_H_
#define _HUDBASE_H_

#include <GL/gl.h>

#include "SDL.h"
#include "SDL_ttf.h"

#include "Config.h"

class HudBase
{
 public:
  HudBase();
  virtual ~HudBase();

  virtual void draw() = 0;

  void start2DMode();
  void end2DMode();

  GLuint GLLoadTexture(SDL_Surface *surface, GLfloat *texcoord);
  int powerOfTwo(int input);

 protected:
  void deleteTextures();

  // font
  TTF_Font *_font;

  // width and height of the texture
  int _width, _height;
  // coordiantes 
  GLfloat _coordinates[4];
  // texture id
  GLuint _textureList[100];
  int _numTextures;

  // top left corner for positioning
  double _topPosition, _leftPosition;
};

#endif

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