function object_get_depth(arg0)
{
    var objID = arg0;
    var ret = 0;
    if (!variable_global_exists("__objectID2Depth"))
        global.__objectID2Depth = [];
    if (objID >= 0 && objID < array_length_1d(global.__objectID2Depth))
        ret = global.__objectID2Depth[objID];
    return ret;
}