@EventHandler
         public void ChestMap(BlockPlaceEvent event){
             final Player p = event.getPlayer();
                     if(event.getBlock().getType().equals(Material.CHEST)){
                         Block base = event.getBlock().getRelative(BlockFace.DOWN).getRelative(BlockFace.DOWN);
                         event.getPlayer().getWorld().playSound(event.getBlock().getLocation(), Sound.AMBIENCE_THUNDER, 1.0F, 1.0F);
                         Bukkit.broadcastMessage(ChatColor.BLUE + "" + getConfig().getString("prefix") + " " + ChatColor.AQUA + p.getDisplayName() + ChatColor.GRAY + " has opened " + ChatColor.GOLD + "Treasure Chest" + ChatColor.GRAY + "!");
                         Location ori = base.getRelative(BlockFace.UP).getLocation();
                         int layloc;
                         for (int y = 0; y < 3; y++){
                             int by = ori.getBlock().getY() + y;
                             layloc = 0;
                             for (int x = 0; x < 3; x++){
                                 int bx = ori.getBlock().getX() + x;
                                 for (int z = 0; z < 3; z++){
                                     int bz = ori.getBlock().getZ() + z;
                                     Location block = new Location(event.getBlock().getWorld(), bx, by, bz);
                                     block.getBlock().setType(Material.matchMaterial(layers(y, layloc)));
                                     layloc++;
                                 }
                             }
                         }
                     }
                 }

     public String layers(int y, int layloc){
         String[] layer1 = {
                 "GRASS", "GRASS", "GRASS",
                 "GRASS", "GRASS", "GRASS",
                 "GRASS", "GRASS", "GRASS"
         };

         String[] layer2 = {
                 "LEAVES", "FENCE", "LEAVES",
                 "FENCE", "CHEST", "FENCE",
                 "LEAVES", "FENCE", "LEAVES"
         };

         String[] layer3 = {
                 "AIR", "AIR", "AIR",
                 "AIR", "AIR", "AIR",
                 "AIR", "AIR", "AIR"
         };
         if (y == 0){return layer1[layloc];}
         if (y == 1){return layer2[layloc];}
         if (y == 2){return layer3[layloc];}
         return null;
     }
  }