src/de/steamwar/network/packets/MetaInfos.java

@@ -0,0 +1,23 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.network.packets;
+
+public interface MetaInfos {
+}

src/de/steamwar/network/packets/NetworkPacket.java

@@ -27,6 +27,12 @@ import java.io.*;
 @EqualsAndHashCode
 public abstract class NetworkPacket implements Serializable {
 
+    private transient MetaInfos metaInfos;
+
+    public MetaInfos getMetaInfos() {
+        return metaInfos;
+    }
+
     @SneakyThrows
     public byte[] serialize() {
         ByteArrayOutputStream baos = new ByteArrayOutputStream();
@@ -40,6 +46,12 @@ public abstract class NetworkPacket implements Serializable {
         PacketHandler.handlePacket(deserialize(data));
     }
 
+    public static void handle(MetaInfos metaInfos, byte[] data) {
+        NetworkPacket networkPacket = deserialize(data);
+        networkPacket.metaInfos = metaInfos;
+        PacketHandler.handlePacket(networkPacket);
+    }
+
     @SneakyThrows
     public static NetworkPacket deserialize(byte[] data) {
         ByteArrayInputStream bais = new ByteArrayInputStream(data);

src/de/steamwar/network/packets/PacketHandler.java

@@ -47,6 +47,7 @@ public abstract class PacketHandler {
             if(method.getParameterCount() != 1 || !NetworkPacket.class.isAssignableFrom(method.getParameterTypes()[0])) {
                 continue;
             }
+
             if (method.isAnnotationPresent(Handler.class)) {
                 Class<? extends NetworkPacket> packetClass = (Class<? extends NetworkPacket>) method.getParameterTypes()[0];
                 HANDLER_MAP.put(packetClass, method);