Fix: removed server lag.

src/main/java/de/hdm_stuttgart/battlearena/Model/Multiplayer/TestServer/ConnectionHandling.java

@@ -7,16 +7,17 @@ public class ConnectionHandling {
 
     public static void main(String[] args) throws IOException, InterruptedException {
         Client client = new Client();
-        client.startConnection("192.168.0.105", 4444);
-        for (int i = 1; i < 3; i++){
+        client.startConnection("localhost", 4444);
+        for (int i = 1; i < 10; i++){
             int x = client.sendX(1+i);
             System.out.println(x);
 
-            int y = client.sendY(0+i);
+            TimeUnit.MILLISECONDS.sleep(100);
+
+            int y = client.sendY(i);
             System.out.println(y);
 
             TimeUnit.SECONDS.sleep(1);
         }
     }
-
 }

src/main/java/de/hdm_stuttgart/battlearena/Model/Multiplayer/TestServer/Server.java

 package de.hdm_stuttgart.battlearena.Model.Multiplayer.TestServer;
 
+import de.hdm_stuttgart.battlearena.Model.Multiplayer.GameServer;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
 import java.net.*;
 import java.io.*;
 import java.util.concurrent.Executors;
@@ -7,17 +11,21 @@ import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.TimeUnit;
 
 public class Server {
+
+    private static final Logger log = LogManager.getLogger(Server.class);
     private ServerSocket serverSocket;
     private static int px;
     private static int py;
 
     public static void main(String[] args) throws IOException {
         Server server = new Server();
-        server.start("192.168.0.105",4444);
+        log.info("server starting...");
+        server.start("localhost",4444);
     }
 
     public void start(String lolcalhost, int port) throws IOException {
         serverSocket = new ServerSocket(port);
+        log.info("server started!");
         while (true)
             new ServerHandler(serverSocket.accept()).start();
     }
@@ -52,15 +60,21 @@ public class Server {
                             int receivedX = Integer.parseInt(inputLine.substring(2));
                             px = receivedX;
 
+                            localOut.println(inputLine);
+                            localOut.flush();
+                            log.info("Current X and Y: " + px + " / " +  py);
+                            log.info("Sent response to client: " + receivedX);
+
                         } else if (inputLine.startsWith("y:")) {
                             int receivedY = Integer.parseInt(inputLine.substring(2));
                             py = receivedY;
+
+                            localOut.println(inputLine);
+                            localOut.flush();
+                            log.info("Current X and Y: " + px + " / " +  py);
+                            log.info("Sent response to client: " + receivedY);
                         }
 
-                        localOut.println(inputLine);
-                        localOut.flush();
-                        System.out.println("Current X: " + px + " Current Y: " + py);
-                        System.out.println("Sent response to client: " + inputLine);
                     }
                 } catch (IOException e) {
                     throw new RuntimeException(e);

src/main/java/module-info.java

@@ -4,6 +4,7 @@ module gui {
     requires javafx.media;
     requires org.apache.logging.log4j;
 
+
     opens de.hdm_stuttgart.battlearena to javafx.fxml;
     exports de.hdm_stuttgart.battlearena.Main;
     exports de.hdm_stuttgart.battlearena.Controller;