revert networking changes to keep backwards compatability

Author: Noojuno

src/main/java/co/runed/multicharacter/client/gui/CharacterListGuiScreen.java

@@ -101,7 +101,7 @@ public void onGuiClosed()
                 MinecraftClientAddon.selectedCharacter = true;
             }
 
-            PacketDispatcher.sendToServer(new C2SPacketSelectCharacter(characterIndex, characters.get(characterIndex)));
+            PacketDispatcher.sendToServer(new C2SPacketSelectCharacter(characterIndex));
         }
     }
 

src/main/java/co/runed/multicharacter/network/PacketDispatcher.java

@@ -32,22 +32,14 @@ public static void init()
 
     public static <R extends IMessage, RP extends IMessage> void registerPacket(Class<? extends IMessageHandler<R, RP>> messageHandler, Class<R> requestMessageType, Side side)
     {
-        registerPacket(PACKET_ID + 1, messageHandler, requestMessageType, side);
-    }
-
-    public static <R extends IMessage, RP extends IMessage> void registerPacket(int id, Class<? extends IMessageHandler<R, RP>> messageHandler, Class<R> requestMessageType, Side side)
-    {
-        id = id <= PACKET_ID ? PACKET_ID + 1 : id;
-        PACKET_ID = id;
-
         // IF ON A SERVER AND PACKET IS TO BE RUN ON CLIENT, SET HANDLER TO BLANK LAMBDA TO ALLOW USE OF CLIENT SIDE CODE IN PACKET
         if (side == Side.CLIENT && FMLCommonHandler.instance().getEffectiveSide() == Side.SERVER)
         {
-            WRAPPER.registerMessage((message, ctx) -> null, requestMessageType, id, side);
+            WRAPPER.registerMessage((message, ctx) -> null, requestMessageType, PACKET_ID++, side);
             return;
         }
 
-        WRAPPER.registerMessage(messageHandler, requestMessageType, id, side);
+        WRAPPER.registerMessage(messageHandler, requestMessageType, PACKET_ID++, side);
     }
 
     public static void sendTo(IMessage message, EntityPlayerMP player)

src/main/java/co/runed/multicharacter/network/packets/C2SPacketSelectCharacter.java

@@ -17,32 +17,27 @@
 public class C2SPacketSelectCharacter implements IMessage
 {
     private int index;
-    private Character character;
 
     public C2SPacketSelectCharacter()
     {
 
     }
 
-    public C2SPacketSelectCharacter(int index, Character character)
+    public C2SPacketSelectCharacter(int index)
     {
         this.index = index;
-        this.character = character;
     }
 
     @Override
     public void fromBytes(ByteBuf buf)
     {
         index = buf.readInt();
-        character = new Character();
-        character.deserializeNBT(ByteBufUtils.readTag(buf));
     }
 
     @Override
     public void toBytes(ByteBuf buf)
     {
         buf.writeInt(index);
-        ByteBufUtils.writeTag(buf, character.serializeNBT());
     }
 
     public int getIndex()