WGHook

@SuppressWarnings({ "rawtypes", "unchecked" })
    private synchronized boolean updateRegions(final Player player, final MovementWay movement, Location to){
        Set<ProtectedRegion> regions;

        if(this.playerRegions.get(player) == null){
            regions = new HashSet();
        }else{
            regions = new HashSet((Collection)this.playerRegions.get(player));
        }

        Set<ProtectedRegion> oldRegions = new HashSet(regions);

        RegionManager manager = Main.guard.worldGuard().getRegionManager(to.getWorld());

        if(manager == null){
            return false;
        }

        ApplicableRegionSet appRegions = manager.getApplicableRegions(to);

        for(final ProtectedRegion region: appRegions){
            if(!regions.contains(region)){
                RegionEnterEvent e = new RegionEnterEvent(region, player, movement);
                Main.instance.getServer().getPluginManager().callEvent(e);


                if(e.isCancelled()){
                    regions.clear();
                    regions.addAll(oldRegions);
                    return true;
                }

                new Thread(){
                    public void run(){
                        try{
                            sleep(50L);
                        }catch(InterruptedException e){}

                        RegionEnteredEvent e = new RegionEnteredEvent(region, player, movement);
                        Main.instance.getServer().getPluginManager().callEvent(e);


                    }
                }.start();

            }
        }

        Collection<ProtectedRegion> app = (Collection)getPrivateValue(appRegions, "applicable");
        Iterator<ProtectedRegion> itr = regions.iterator();
        while(itr.hasNext()){
            final ProtectedRegion region = (ProtectedRegion)itr.next();
            if(!app.contains(region)){
                if(manager.getRegion(region.getId()) != region){
                    itr.remove();
                }else{
                    RegionLeaveEvent e = new RegionLeaveEvent(region, player, movement);

                    Main.instance.getServer().getPluginManager().callEvent(e);
                    Bukkit.getLogger().info("RegionLeaveEvent Thrown");

                    if(e.isCancelled()){
                        regions.clear();regions.addAll(oldRegions);
                        return true;
                    }

                    new Thread(){
                        public void run(){
                            try{
                                sleep(50L);
                            }catch(InterruptedException e){}

                            RegionLeftEvent e = new RegionLeftEvent(region, player, movement);
                            Main.instance.getServer().getPluginManager().callEvent(e);
                            Bukkit.getLogger().info("RegionLeftEvent Thrown");

                        }
                    }.start();
                    itr.remove();


                }
            }
        }
        this.playerRegions.put(player, regions);
        return false;
    }

    private Object getPrivateValue(Object obj, String name){
        try{
            Field f = obj.getClass().getDeclaredField(name);
            f.setAccessible(true);
            return f.get(obj);
        }catch(Exception e){
            return null;
        }
    }