function __background_get_internal(arg0, arg1, arg2)
{
    var __prop = arg0;
    var __bind = arg1;
    var __backinfo = arg2;
    if (__backinfo[0] == -1 || layer_background_exists(__backinfo[1], __backinfo[0]) == false)
    {
        __backinfo = __background_get_element(__bind);
        if (__backinfo[0] == -1)
            return -1;
    }
    var __res = -1;
    var __backid = __backinfo[0];
    var __layerid = __backinfo[1];
    var __isfore = __backinfo[2];
    switch (__prop)
    {
        case e__BG.Visible:
            __res = layer_get_visible(__layerid);
            break;
        case e__BG.Foreground:
            __res = __isfore;
            break;
        case e__BG.Index:
            __res = layer_background_get_sprite(__backid);
            break;
        case e__BG.X:
            __res = layer_get_x(__layerid);
            break;
        case e__BG.Y:
            __res = layer_get_y(__layerid);
            break;
        case e__BG.Width:
            __res = sprite_get_width(layer_background_get_index(__backid));
            break;
        case e__BG.Height:
            __res = sprite_get_height(layer_background_get_index(__backid));
            break;
        case e__BG.HTiled:
            __res = layer_background_get_htiled(__backid);
            break;
        case e__BG.VTiled:
            __res = layer_background_get_vtiled(__backid);
            break;
        case e__BG.XScale:
            __res = layer_background_get_xscale(__backid);
            break;
        case e__BG.YScale:
            __res = layer_background_get_yscale(__backid);
            break;
        case e__BG.HSpeed:
            __res = layer_get_hspeed(__layerid);
            break;
        case e__BG.VSpeed:
            __res = layer_get_vspeed(__layerid);
            break;
        case e__BG.Blend:
            __res = layer_background_get_blend(__backid);
            break;
        case e__BG.Alpha:
            __res = layer_background_get_alpha(__backid);
            break;
        default:
            break;
    }
    return __res;
}

enum e__BG
{
    Visible,
    Foreground,
    Index,
    X,
    Y,
    Width,
    Height,
    HTiled,
    VTiled,
    XScale,
    YScale,
    HSpeed,
    VSpeed,
    Blend,
    Alpha
}