Add annotation to mark messages that don't need auth

src/main/java/com/eu/habbo/messages/NoAuthMessage.java

@@ -0,0 +1,7 @@
+package com.eu.habbo.messages;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+@Retention(RetentionPolicy.RUNTIME)
+public @interface NoAuthMessage {}

src/main/java/com/eu/habbo/messages/PacketManager.java

@@ -156,11 +156,20 @@ public class PacketManager {
         if (client == null || Emulator.isShuttingDown)
             return;
 
-        if (client.getHabbo() == null && !(packet.getMessageId() == Incoming.SecureLoginEvent || packet.getMessageId() == Incoming.MachineIDEvent))
-            return;
-
         try {
             if (this.isRegistered(packet.getMessageId())) {
+                Class<? extends MessageHandler> handlerClass = this.incoming.get(packet.getMessageId());
+
+                if (handlerClass == null) throw new Exception("Unknown message " + packet.getMessageId());
+
+                if (client.getHabbo() == null && !handlerClass.isAnnotationPresent(NoAuthMessage.class)) {
+                    if (DEBUG_SHOW_PACKETS) {
+                        Emulator.getLogging().logPacketLine("[\033[36mCLIENT\033[0m][\033[33mNOT LOGGED IN\033[0m][" + packet.getMessageId() + "] => " + packet.getMessageBody());
+                    }
+
+                    return;
+                }
+
                 if (PacketManager.DEBUG_SHOW_PACKETS)
                     Emulator.getLogging().logPacketLine("[" + Logging.ANSI_CYAN + "CLIENT" + Logging.ANSI_RESET + "][" + packet.getMessageId() + "] => " + packet.getMessageBody());
 
@@ -168,7 +177,7 @@ public class PacketManager {
                     System.out.println(("[" + Logging.ANSI_CYAN + "CLIENT" + Logging.ANSI_RESET + "][" + client.getHabbo().getHabboInfo().getUsername() + "][" + packet.getMessageId() + "] => " + packet.getMessageBody()));
                 }
 
-                final MessageHandler handler = this.incoming.get(packet.getMessageId()).newInstance();
+                final MessageHandler handler = handlerClass.newInstance();
 
                 handler.client = client;
                 handler.packet = packet;

src/main/java/com/eu/habbo/messages/incoming/handshake/MachineIDEvent.java

@@ -1,8 +1,10 @@
 package com.eu.habbo.messages.incoming.handshake;
 
+import com.eu.habbo.messages.NoAuthMessage;
 import com.eu.habbo.messages.incoming.MessageHandler;
 import com.eu.habbo.messages.outgoing.handshake.MachineIDComposer;
 
+@NoAuthMessage
 public class MachineIDEvent extends MessageHandler {
 
     @Override

src/main/java/com/eu/habbo/messages/incoming/handshake/ReleaseVersionEvent.java

@@ -1,7 +1,9 @@
 package com.eu.habbo.messages.incoming.handshake;
 
+import com.eu.habbo.messages.NoAuthMessage;
 import com.eu.habbo.messages.incoming.MessageHandler;
 
+@NoAuthMessage
 public class ReleaseVersionEvent extends MessageHandler {
 
     @Override

src/main/java/com/eu/habbo/messages/incoming/handshake/SecureLoginEvent.java

@@ -6,6 +6,7 @@ import com.eu.habbo.habbohotel.navigation.NavigatorSavedSearch;
 import com.eu.habbo.habbohotel.permissions.Permission;
 import com.eu.habbo.habbohotel.users.Habbo;
 import com.eu.habbo.habbohotel.users.HabboManager;
+import com.eu.habbo.messages.NoAuthMessage;
 import com.eu.habbo.messages.ServerMessage;
 import com.eu.habbo.messages.incoming.MessageHandler;
 import com.eu.habbo.messages.outgoing.achievements.AchievementListComposer;
@@ -31,6 +32,7 @@ import com.eu.habbo.plugin.events.users.UserLoginEvent;
 
 import java.util.ArrayList;
 
+@NoAuthMessage
 public class SecureLoginEvent extends MessageHandler {