enum DrawMode
{
    IMMEDIATE = 0,
    TEXTURE
};

class SpriteBatch
{
public:

    SpriteBatch();

    ~SpriteBatch();

    void Begin(DrawMode mode=IMMEDIATE);
    void End();

    void Draw(Texture2D* texture, Vector2 position, float rotation=0.f, Vector2 scale=Vector2::One(), Vector2 origin=Vector2::Zero(), Colour colour=Colour::White(), float depth=0.f);
    void DrawString(SpriteFont* font, Vector2 position, float rotation=0.f, Vector2 scale=Vector2::One(), Vector2 origin=Vector2::Zero(), Colour colour=Colour::White(), float depth=0.f);

private:

    GLfloat m_quadVertices[18];
    GLfloat m_quadTexCoords[12];
    GLuint m_quadVBOVertices;
    GLuint m_quadVBOTexCoords;

    void Draw();

};