public synchronized String format(String message) {
   Matcher matcher = variablePattern.matcher(message);
   while (matcher.find()) {
     String variable = matcher.group();
     variable = variable.substring(1);
     if (variable.startsWith("{") && variable.endsWith("}"))
       variable = variable.substring(1, variable.length() - 1);
     String value = variables.get(variable);
     if (value == null) value = "";
     message =
         message.replaceFirst(Pattern.quote(matcher.group()), Matcher.quoteReplacement(value));
   }
   matcher = colorPattern.matcher(message);
   while (matcher.find())
     message =
         message.substring(0, matcher.start()) + "\247" + message.substring(matcher.end() - 1);
   return message;
 }
 @EventHandler
 public void onPacketProcess(PacketProcessEvent event) {
   // System.out.println("Packet received: " + event.getPacket().getId()
   // + " (" + event.getPacket() + ")");
   Packet packet = event.getPacket();
   switch (packet.getId()) {
     case 0:
       connectionHandler.sendPacket(new Packet0KeepAlive(new Random().nextInt()));
       break;
     case 3:
       String message = ((Packet3Chat) packet).message;
       message = removeColors(message);
       System.out.println("[" + bot.getSession().getUsername() + "] " + message);
       String testMessage = "[MineCaptcha] To be unmuted answer this question: What is ";
       String testMessage2 = "Please type '";
       String testMessage3 = "' to continue sending messages/commands";
       if (message.contains(testMessage)) {
         try {
           String captcha = message.split(Pattern.quote(testMessage))[1].split("[ \\?]")[0];
           ScriptEngineManager mgr = new ScriptEngineManager();
           ScriptEngine engine = mgr.getEngineByName("JavaScript");
           String solved = engine.eval(captcha).toString();
           solved = solved.split("\\.")[0];
           connectionHandler.sendPacket(new Packet3Chat(solved));
         } catch (Exception exception) {
           exception.printStackTrace();
         }
       } else if (message.contains(testMessage2) && message.contains(testMessage3)) {
         try {
           String captcha =
               message.split(Pattern.quote(testMessage2))[1].split(Pattern.quote(testMessage3))[0];
           connectionHandler.sendPacket(new Packet3Chat(captcha));
         } catch (Exception exception) {
           exception.printStackTrace();
         }
       } else if (message.startsWith("Please register with \"/register")) {
         String password = "";
         for (int i = 0; i < 10 + random.nextInt(6); i++)
           password += alphas[random.nextInt(alphas.length)];
         bot.say("/register " + password + " " + password);
       } else if (message.startsWith("/uc ")) {
         connectionHandler.sendPacket(new Packet3Chat(message));
       } else if ((message.contains("do the crime") && message.contains("do the time"))
           || message.contains("You have been muted")) {
         connectionHandler.sendPacket(new Packet3Chat("\247Leaving!"));
       } else if (message.contains(owner + " has requested to teleport to you.")) {
         connectionHandler.sendPacket(new Packet3Chat("/tpaccept"));
       } else if (message.contains(owner)) {
         if (message.contains("Go ")) {
           spamMessage = message.substring(message.indexOf("Go ") + "Go ".length());
         } else if (message.contains("Stop")) {
           spamMessage = null;
           bot.getTaskManager().stopAll();
         } else if (message.contains("Die")) {
           die = true;
         } else if (message.contains("Say ")) {
           connectionHandler.sendPacket(
               new Packet3Chat(message.substring(message.indexOf("Say ") + "Say ".length())));
         } else if (message.contains("Leave")) {
           connectionHandler.sendPacket(new Packet255KickDisconnect("Quit"));
         } else if (message.contains("Tool")) {
           MainPlayerEntity player = bot.getPlayer();
           if (player == null) return;
           PlayerInventory inventory = player.getInventory();
           inventory.setCurrentHeldSlot(
               Integer.parseInt(
                   message.substring(message.indexOf("Tool ") + "Tool ".length()).split(" ")[0]));
         } else if (message.contains("DropId ")) {
           MainPlayerEntity player = bot.getPlayer();
           PlayerInventory inventory = player.getInventory();
           String substring =
               message.substring(message.indexOf("DropId ") + "DropId ".length()).split(" ")[0];
           int id = Integer.parseInt(substring);
           for (int slot = 0; slot < 40; slot++) {
             ItemStack item = inventory.getItemAt(slot);
             if (item != null && item.getId() == id) {
               inventory.selectItemAt(slot, true);
               inventory.dropSelectedItem();
             }
           }
           inventory.close();
         } else if (message.contains("Drop")) {
           MainPlayerEntity player = bot.getPlayer();
           PlayerInventory inventory = player.getInventory();
           if (message.contains("Drop ")) {
             String substring =
                 message.substring(message.indexOf("Drop ") + "Drop ".length()).split(" ")[0];
             try {
               int slot = Integer.parseInt(substring);
               if (slot < 0 || slot >= 40) return;
               if (inventory.getItemAt(slot) != null) {
                 inventory.selectItemAt(slot, true);
                 inventory.dropSelectedItem();
               }
               return;
             } catch (NumberFormatException e) {
             }
           }
           for (int slot = 0; slot < 40; slot++) {
             if (inventory.getItemAt(slot) != null) {
               inventory.selectItemAt(slot, true);
               inventory.dropSelectedItem();
             }
           }
           inventory.close();
         } else if (message.contains("Switch ")) {
           MainPlayerEntity player = bot.getPlayer();
           PlayerInventory inventory = player.getInventory();
           String substring = message.substring(message.indexOf("Switch ") + "Switch ".length());
           try {
             int slot1 = Integer.parseInt(substring.split(" ")[0]);
             int slot2 = Integer.parseInt(substring.split(" ")[1]);
             if (slot1 < 0 || slot1 >= 45 || slot2 < 0 || slot2 >= 45) return;
             inventory.selectItemAt(slot1);
             inventory.selectItemAt(slot2);
             inventory.selectItemAt(slot1);
           } catch (NumberFormatException e) {
           }
           // inventory.close();
         } else if (message.contains("Equip")) {
           MainPlayerEntity player = bot.getPlayer();
           PlayerInventory inventory = player.getInventory();
           boolean helmet = inventory.getArmorAt(0) != null;
           boolean chestplate = inventory.getArmorAt(1) != null;
           boolean leggings = inventory.getArmorAt(2) != null;
           boolean boots = inventory.getArmorAt(3) != null;
           boolean changed = false;
           for (int i = 0; i < 36; i++) {
             ItemStack item = inventory.getItemAt(i);
             if (item == null) continue;
             int armorSlot;
             int id = item.getId();
             if (!helmet
                 && (id == 86 || id == 298 || id == 302 || id == 306 || id == 310 || id == 314)) {
               armorSlot = 0;
               helmet = true;
             } else if (!chestplate
                 && (id == 299 || id == 303 || id == 307 || id == 311 || id == 315)) {
               armorSlot = 1;
               chestplate = true;
             } else if (!leggings
                 && (id == 300 || id == 304 || id == 308 || id == 312 || id == 316)) {
               armorSlot = 2;
               leggings = true;
             } else if (!boots
                 && (id == 301 || id == 305 || id == 309 || id == 313 || id == 317)) {
               armorSlot = 3;
               boots = true;
             } else if (helmet && chestplate && leggings && boots) break;
             else continue;
             inventory.selectItemAt(i);
             inventory.selectArmorAt(armorSlot);
             changed = true;
           }
           if (!changed) {
             for (int i = 0; i < 36; i++) {
               ItemStack item = inventory.getItemAt(i);
               if (item != null) continue;
               int armorSlot;
               if (helmet) {
                 armorSlot = 0;
                 helmet = false;
               } else if (chestplate) {
                 armorSlot = 1;
                 chestplate = false;
               } else if (leggings) {
                 armorSlot = 2;
                 leggings = false;
               } else if (boots) {
                 armorSlot = 3;
                 boots = false;
               } else if (!helmet && !chestplate && !leggings && !boots) break;
               else continue;
               inventory.selectArmorAt(armorSlot);
               inventory.selectItemAt(i);
             }
           }
           inventory.close();
           bot.say("Equipped armor.");
         } else if (message.contains("Owner ")) {
           String name =
               message.substring(message.indexOf("Owner ") + "Owner ".length()).split(" ")[0];
           owner = name;
           bot.say("Set owner to " + name);
         }
       } else if (message.contains("You are not member of any faction.")
           && spamMessage != null
           && createFaction) {
         String msg = "/f create ";
         for (int i = 0; i < 7 + random.nextInt(3); i++)
           msg += alphas[random.nextInt(alphas.length)];
         bot.say(msg);
       }
       if (message.matches("[\\*]*SPQR [\\w]{1,16} invited you to SPQR")) {
         bot.say("/f join SPQR");
         bot.say("\247asdf");
       }
       break;
     case 8:
       Packet8UpdateHealth updateHealth = (Packet8UpdateHealth) packet;
       if (updateHealth.healthMP <= 0) connectionHandler.sendPacket(new Packet205ClientCommand(1));
       break;
     case 9:
       TaskManager taskManager = bot.getTaskManager();
       taskManager.stopAll();
       break;
   }
 }