function Restrict {
    if ((getarg(0) == "RE" && !checkre(0)) || (getarg(0) == "Pre-RE" && checkre(0))) {
        if (getarg(1,0)) {
            set @warp_block,0;
            for(set .@i,1; .@i<getargcount(); set .@i,.@i+1)
                set @warp_block, @warp_block | (1<<getarg(.@i));
        } else {
            message strcharinfo(0),"This map is not enabled in "+((checkre(0))?"":"Pre-")+"Renewal.";
            close;
        }
    }
    return;
}