Projekte/mdga/client/src/main/java/pp/mdga/client/server/MdgaServer.java

@@ -216,10 +216,12 @@ public void connectionAdded(Server server, HostedConnection hostedConnection) {
             this.logic.getServerSender().send(hostedConnection.getId(), new LobbyDenyMessage());
             hostedConnection.close("");
         } else {
-            if (this.myServer.getConnections().size() == 1) {
+            if (hostedConnection.getAddress().contains("127.0.0.1") && this.logic.getGame().getHost() == -1) {
                 this.logic.getGame().setHost(hostedConnection.getId());
+                this.logic.getServerSender().send(hostedConnection.getId(), new LobbyAcceptMessage(hostedConnection.getId()));
+            } else {
+                this.logic.getServerSender().send(hostedConnection.getId(), new LobbyAcceptMessage());
             }
-            this.logic.getServerSender().send(hostedConnection.getId(), new LobbyAcceptMessage());
         }
     }
 

Projekte/mdga/model/src/main/java/pp/mdga/game/Game.java

@@ -43,7 +43,7 @@ public class Game {
     private Die die;
 
     // The host of this game
-    private int host;
+    private int host = -1;
 
     // The color of the active player.
     private Color activeColor;
@@ -200,6 +200,15 @@ public Piece getPieceThroughUUID(UUID pieceId) {
         return null;
     }
 
+    /**
+     * This method will be used to check if this client is the host for the game.
+     *
+     * @return true or false.
+     */
+    public boolean isHost() {
+        return this.host != -1;
+    }
+
     /**
      * This method returns the dice modifier.
      *

Projekte/mdga/model/src/main/java/pp/mdga/message/server/LobbyAcceptMessage.java

@@ -7,13 +7,39 @@
  */
 @Serializable
 public class LobbyAcceptMessage extends ServerMessage {
+    /**
+     * Create LobbyAcceptMessage attributes.
+     */
+    private final int host;
+
     /**
      * Constructs a new LobbyAccept instance.
      */
     public LobbyAcceptMessage() {
         super();
+        this.host = -1;
     }
 
+    /**
+     * Constructor.
+     *
+     * @param host as the id of the host as an Integer.
+     */
+    public LobbyAcceptMessage(int host) {
+        super();
+        this.host = host;
+    }
+
+    /**
+     * This method will be used return host attribute of LobbyAcceptMessage class.
+     *
+     * @return host as an Integer.
+     */
+    public int getHost() {
+        return this.host;
+    }
+
+
     /**
      * Accepts a visitor to process this message.
      *