Fixes

framework/src/main/java/org/toop/framework/networking/server/Server.java

@@ -100,7 +100,7 @@ public class Server implements GameServer {
                 return false;
             }
 
-            if (user.games().length > 0) {
+            if (user.game() != null) {
                 return false;
             }
 

framework/src/main/java/org/toop/framework/networking/server/ServerHandler.java

@@ -119,7 +119,8 @@ public class ServerHandler extends SimpleChannelInboundHandler<String> {
     }
 
     private void handleMove(ParsedMessage p) {
-        // TODO
+        if(!allowedArgs(p.args())) return;
+
     }
 
     private ParsedMessage parse(String msg) {

framework/src/main/java/org/toop/framework/networking/server/ServerUser.java

@@ -3,9 +3,9 @@ package org.toop.framework.networking.server;
 public interface ServerUser {
     long id();
     String name();
-    Game[] games();
+    Game game();
     void addGame(Game game);
-    void removeGame(Game game);
+    void removeGame();
     void setName(String name);
     void sendMessage(String message);
 }

framework/src/main/java/org/toop/framework/networking/server/User.java

@@ -2,13 +2,10 @@ package org.toop.framework.networking.server;
 
 import io.netty.channel.ChannelHandlerContext;
 
-import java.util.ArrayList;
-import java.util.List;
-
 public class User implements ServerUser {
     final private long id;
     private String name;
-    private final List<Game> games = new ArrayList<>();
+    private Game game;
     private ChannelHandlerContext connectionContext;
 
     public User(long userId, String name) {
@@ -30,17 +27,19 @@ public class User implements ServerUser {
 
     @Override
     public void addGame(Game game) {
-        games.add(game);
+        if (this.game == null) {
+            this.game = game;
+        }
     }
 
     @Override
-    public void removeGame(Game game) {
-        games.remove(game);
+    public void removeGame() {
+        this.game = null;
     }
 
     @Override
-    public Game[] games() {
-        return games.toArray(new Game[0]);
+    public Game game() {
+        return this.game;
     }
 
     @Override