class Sprite {
private:
    BITMAP *Load;
    GLuint GLImage;
    int SpriteW;
    int SpriteH;
public:
    void Create(string Path) {
        Load = NULL;
        Load = load_bitmap(Path.c_str(),NULL);
        if(Load == NULL) {
            allegro_message("Error loading %s",Path.c_str());
        } else {
            SpriteW = Load->w;
            SpriteH = Load->h;
            GLImage = allegro_gl_make_texture_ex(AGL_TEXTURE_MASKED, Load, GL_RGBA);
            glBindTexture(GL_TEXTURE_2D, GLImage);
            destroy_bitmap(Load);
        }
    }

    void Draw(int X, int Y, int ScreenW, int ScreenH) {

        if(ScreenW == 0 || ScreenH == 0) {
            allegro_message("Screen Width and/or Height invalid!");
        } else {

            float PosX = ((double)X/(ScreenW/2))-1;
            float PosY = ((double)Y/(ScreenH/2))-1;

            float Width = (double)SpriteW/(ScreenW/2);
            float Height = (double)SpriteH/(ScreenH/2);

            glColor4ub(255, 255, 255, 255);

            glTexCoord2f(0,0); glVertex3f(PosX, -PosY, 0); // -0.96 ~ -0.95
            glTexCoord2f(1,0); glVertex3f(PosX+Width, -PosY, 0); // 0.04
            glTexCoord2f(1,1); glVertex3f(PosX+Width, (-PosY)-Height, 0);
            glTexCoord2f(0,1); glVertex3f(PosX, (-PosY)-Height, 0);

        }
    }
};