@Override public boolean okMessage(final Environmental myHost, final CMMsg msg) { if ((affected != null) && (((msg.target() instanceof Room) && (msg.targetMinor() == CMMsg.TYP_ENTER)) || ((msg.target() instanceof Rideable) && (msg.targetMinor() == CMMsg.TYP_SIT))) && ((msg.amITarget(affected)) || (msg.tool() == affected) || (affected instanceof Area)) && (!CMLib.flags().isFalling(msg.source()))) { final HashSet<MOB> H = new HashSet<MOB>(); if (noFollow) H.add(msg.source()); else { msg.source().getGroupMembers(H); int hsize = 0; while (hsize != H.size()) { hsize = H.size(); final HashSet H2 = (HashSet) H.clone(); for (final Iterator e = H2.iterator(); e.hasNext(); ) { final Object O = e.next(); if (O instanceof MOB) ((MOB) O).getRideBuddies(H); } } } for (final Object O : H) { if ((!(O instanceof MOB)) || (passesMuster((MOB) O))) return super.okMessage(myHost, msg); } msg.source().tell(L("You are not allowed in there.")); return false; } return super.okMessage(myHost, msg); }