diff --git a/src/main/java/de/hdm_stuttgart/battlearena/Model/Multiplayer/Client.java b/src/main/java/de/hdm_stuttgart/battlearena/Model/Multiplayer/Client.java
new file mode 100644
index 0000000000000000000000000000000000000000..23b1c65ccd218152576cc9c7d366e68c65d1c591
--- /dev/null
+++ b/src/main/java/de/hdm_stuttgart/battlearena/Model/Multiplayer/Client.java
@@ -0,0 +1,49 @@
+package de.hdm_stuttgart.battlearena.Model.Multiplayer;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+import java.net.*;
+import java.io.*;
+import java.util.Arrays;
+
+public class Client {
+ private Socket clientSocket;
+ private PrintWriter out;
+ private BufferedReader in;
+
+ private static final Logger log = LogManager.getLogger(Client.class);
+
+ public void startConnection(String ip, int port) throws IOException {
+ clientSocket = new Socket(ip, port);
+ out = new PrintWriter(clientSocket.getOutputStream(), true);
+ in = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
+ }
+
+ public int[] sendcords(int[] cords) throws IOException {
+ String message = String.join(",", Arrays.stream(cords).mapToObj(String::valueOf).toArray(String[]::new));
+ out.println(message);
+ // log.info("Sent coordinates: " + message);
+ String resp = in.readLine();
+ return convertStringToArray(resp);
+ }
+
+ public static int[] convertStringToArray(String inputString) {
+ // Remove brackets and split by comma
+ String[] parts = inputString.substring(1, inputString.length() - 1).split(",");
+
+ // Convert each part to integer
+ int[] result = new int[parts.length];
+ for (int i = 0; i < parts.length; i++) {
+ result[i] = Integer.parseInt(parts[i].trim());
+ }
+
+ return result;
+ }
+
+ public void stopConnection() throws IOException {
+ in.close();
+ out.close();
+ clientSocket.close();
+ }
+}
diff --git a/src/main/java/de/hdm_stuttgart/battlearena/Model/Multiplayer/ConnectionHandler.java b/src/main/java/de/hdm_stuttgart/battlearena/Model/Multiplayer/ConnectionHandler.java
new file mode 100644
index 0000000000000000000000000000000000000000..b47419daa11eea14e292ecab5dac7e0ae483f2b6
--- /dev/null
+++ b/src/main/java/de/hdm_stuttgart/battlearena/Model/Multiplayer/ConnectionHandler.java
@@ -0,0 +1,92 @@
+package de.hdm_stuttgart.battlearena.Model.Multiplayer;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.concurrent.TimeUnit;
+
+public class ConnectionHandler {
+
+ private static int pX = 0;
+ private static int pY = 0;
+ private static int enemyX = 0;
+ private static int enemyY = 0;
+ private static int playerID = 0;
+ private static int[] coordinates = {pX,pY,playerID};
+ private static String ipaddress = "localhost";
+ private static final Logger log = LogManager.getLogger(ConnectionHandler.class);
+
+ public void startHandler() throws IOException, InterruptedException {
+
+ Client client = new Client();
+ client.startConnection(ipaddress, 4444);
+
+ ConnectionThread connectionthread = new ConnectionThread(client);
+ connectionthread.start();
+
+ }
+
+ private static class ConnectionThread extends Thread {
+ private final Client client;
+
+ public ConnectionThread(Client client) {
+ this.client = client;
+ }
+
+ public void run() {
+ try {
+ while (!Thread.interrupted()) {
+ int[] cords = client.sendcords(coordinates);
+ enemyX = cords[0];
+ enemyY = cords[1];
+ // System.out.println("Enemy X: " + enemyX);
+ // System.out.println("Enemy Y: " + enemyY);
+ // System.out.println("Your PlayerID is " + cords[2]);
+ playerID = cords[2];
+ // Assign the Values to the message to send:
+ coordinates[0] = pX;
+ coordinates[1] = pY;
+ coordinates[2] = playerID;
+
+ Thread.sleep(16);
+ }
+ } catch (InterruptedException | IOException e) {
+ e.printStackTrace(); // Handle the exception as needed
+ }
+ }
+ }
+
+ public int getPlayerID() {
+ return playerID;
+ }
+
+ public int getpX() {
+ return pX;
+ }
+
+ public void setpX(int pX) {
+ this.pX = pX;
+ }
+
+ public int getpY() {
+ return pY;
+ }
+
+ public void setpY(int pY) {
+ this.pY = pY;
+ }
+
+ public int getEnemyX() {
+ return enemyX;
+ }
+ public int getEnemyY() {
+ return enemyY;
+ }
+
+ public static void setIpaddress(String ipaddress) {
+ ConnectionHandler.ipaddress = ipaddress;
+ }
+}
+
diff --git a/src/main/java/de/hdm_stuttgart/battlearena/Model/Multiplayer/Server.java b/src/main/java/de/hdm_stuttgart/battlearena/Model/Multiplayer/Server.java
new file mode 100644
index 0000000000000000000000000000000000000000..f3555e7b1f71b82a04f7bb75ebcd749f8bbe611a
--- /dev/null
+++ b/src/main/java/de/hdm_stuttgart/battlearena/Model/Multiplayer/Server.java
@@ -0,0 +1,163 @@
+package de.hdm_stuttgart.battlearena.Model.Multiplayer;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+import java.net.*;
+import java.io.*;
+import java.util.Arrays;
+import java.util.concurrent.Executors;
+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 boolean isServerRunning = true;
+ private static int px;
+ private static int py;
+
+ private static int enemyx = 0;
+ private static int enemyy = 0;
+ private static int playerID;
+ private static int playercount = 0;
+ private static int[] cords;
+ private static int[] returncords = {enemyx,enemyy,playerID};
+ private boolean started = false;
+ private static String ipaddress = "localhost";
+
+
+ /* public static void main(String[] args) throws IOException { //main method for testing purposes
+ Server server = new Server();
+ log.info("server starting...");
+ server.start(ipaddress, 4444);
+ } */
+
+ public void startServer() throws IOException {
+ Server server = new Server();
+ log.info("server starting...");
+ server.start("localhost",4444);
+ }
+
+ public void start(String host_ip, int port) throws IOException {
+ serverSocket = new ServerSocket(port);
+ log.info("server started!");
+ started = true;
+ while (true){
+ new ServerHandler(serverSocket.accept()).start();
+ }
+ }
+
+ private static class ServerHandler extends Thread {
+ private final Socket clientSocket;
+ private PrintWriter out;
+ private BufferedReader in;
+
+ public ServerHandler(Socket socket) {
+ this.clientSocket = socket;
+ }
+
+ public void run() {
+ ScheduledExecutorService executorService = Executors.newSingleThreadScheduledExecutor();
+
+ executorService.scheduleAtFixedRate(() -> {
+ try {
+ BufferedReader localIn = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
+ PrintWriter localOut = new PrintWriter(clientSocket.getOutputStream(), true);
+
+ String inputLine = localIn.readLine();
+
+ if (inputLine != null) {
+ // Assuming that the input line is a comma-separated list of integers
+ String[] coordinates = inputLine.split(",");
+ cords = new int[coordinates.length];
+ for (int i = 0; i < coordinates.length; i++) {
+ cords[i] = Integer.parseInt(coordinates[i]);
+ }
+
+ //first connect of a client:
+ if(playercount == 0){
+ //first player to connect
+ playercount++;
+ returncords[2] = 1;
+
+ } else if(playercount == 1){
+ //second player to connect
+ if(cords[2] == 1){
+ returncords[2] = 1;
+ } else {
+ playercount++;
+ returncords[2] = 2;
+ }
+
+ } else if(playercount == 2){
+
+ //check which client has connected
+ if (cords[2] == 1) { //player
+ px = cords[0];
+ py = cords[1];
+
+ //set the cords to return:
+ returncords[0] = enemyx;
+ returncords[1] = enemyy;
+
+ //set playerID:
+ returncords[2] = 1;
+
+ } else if(cords[2] == 2) { //enemy
+ enemyx = cords[0];
+ enemyy = cords[1];
+
+ //set the cords to return:
+ returncords[0] = px;
+ returncords[1] = py;
+
+ //set playerID:
+ returncords[2] = 2;
+
+ }
+ }
+
+ localOut.println(Arrays.toString(returncords));
+ localOut.flush();
+ }
+
+ log.info("Player X / Y : " + px + " / " + py + " Enemy X / Y : " + enemyx + " / " + enemyy);
+
+
+ //check if server was shut down:
+ if (!isServerRunning) {
+ executorService.shutdown();
+ try {
+ if (!executorService.awaitTermination(5, TimeUnit.SECONDS)) {
+ executorService.shutdownNow();
+ }
+ } catch (InterruptedException e) {
+ log.error("Error waiting for executor service termination: " + e.getMessage());
+ }
+ }
+
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+ }, 0, 50, TimeUnit.MILLISECONDS);
+ }
+ }
+
+ public void stopServer() {
+ isServerRunning = false;
+ try {
+ serverSocket.close(); // Close the server socket to break out of accept() in the main thread
+ } catch (IOException e) {
+ log.error("Error closing server socket: " + e.getMessage());
+ }
+ }
+
+ public boolean isStarted() {
+ return started;
+ }
+ public static void setIpaddress(String ipaddress) {
+ Server.ipaddress = ipaddress;
+ }
+}
diff --git a/src/main/java/de/hdm_stuttgart/battlearena/Model/Multiplayer/TestMap.java b/src/main/java/de/hdm_stuttgart/battlearena/Model/Multiplayer/TestMap.java
new file mode 100644
index 0000000000000000000000000000000000000000..f6d7fdf0800d787b23fb6df532afdb898733d53c
--- /dev/null
+++ b/src/main/java/de/hdm_stuttgart/battlearena/Model/Multiplayer/TestMap.java
@@ -0,0 +1,113 @@
+package de.hdm_stuttgart.battlearena.Model.Multiplayer;
+
+import javafx.application.Application;
+import javafx.scene.Scene;
+import javafx.scene.input.KeyCode;
+import javafx.scene.layout.Pane;
+import javafx.scene.paint.Color;
+import javafx.scene.shape.Rectangle;
+import javafx.stage.Stage;
+import java.util.concurrent.TimeUnit;
+
+import java.io.IOException;
+
+public class TestMap extends Application {
+ private static final int SQUARE_SIZE = 50;
+ private static Rectangle square;
+ private static Rectangle enemy;
+ private Color color = Color.BLACK;
+
+ @Override
+ public void start(Stage primaryStage) throws IOException, InterruptedException {
+
+ ConnectionHandler handler = new ConnectionHandler();
+ handler.startHandler();
+
+ TimeUnit.SECONDS.sleep(1);
+
+ square = new Rectangle(SQUARE_SIZE, SQUARE_SIZE, color);
+ enemy = new Rectangle(SQUARE_SIZE, SQUARE_SIZE, color);
+
+ Pane root = new Pane();
+ root.getChildren().add(square);
+ root.getChildren().add(enemy);
+
+ Scene scene = new Scene(root, 400, 400);
+
+ scene.setOnKeyPressed(event -> handleKeyPress(event.getCode(), handler));
+
+ primaryStage.setTitle("Player #" + handler.getPlayerID());
+ primaryStage.setScene(scene);
+ primaryStage.show();
+
+ if(handler.getPlayerID() == 1){
+ square.setX(50);
+ square.setY(50);
+ enemy.setX(200);
+ enemy.setY(50);
+ } else if(handler.getPlayerID() == 2){
+ square.setX(200);
+ square.setY(50);
+ enemy.setX(50);
+ enemy.setY(50);
+ }
+
+ UpdateThread update = new UpdateThread(handler);
+ update.start();
+
+ }
+
+ private void handleKeyPress(KeyCode code, ConnectionHandler handler) {
+ switch (code) {
+ case UP:
+ square.setY(square.getY() - 20);
+ handler.setpY(handler.getpY() - 20);
+ break;
+ case DOWN:
+ square.setY(square.getY() + 20);
+ handler.setpY(handler.getpY() + 20);
+ break;
+ case LEFT:
+ square.setX(square.getX() - 20);
+ handler.setpX(handler.getpX() - 20);
+ break;
+ case RIGHT:
+ square.setX(square.getX() + 20);
+ handler.setpX(handler.getpX() + 20);
+ break;
+ }
+ }
+
+ private static class UpdateThread extends Thread {
+ private final ConnectionHandler handler;
+
+ private UpdateThread(ConnectionHandler handler) {
+ this.handler = handler;
+ }
+
+ public void run() {
+ while (true){
+
+ handler.setpX((int) square.getX());
+ handler.setpY((int) square.getY());
+
+ //receive cords
+ enemy.setX(handler.getEnemyX());
+ enemy.setY(handler.getEnemyY());
+
+
+ try {
+ Thread.sleep(16);
+ } catch (InterruptedException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+
+ }
+ }
+
+ public static void main(String[] args) throws IOException {
+ launch(args);
+ }
+}
\ No newline at end of file
diff --git a/src/main/java/module-info.java b/src/main/java/module-info.java
index 13a3d1d34ef25e809dd1dd1467218739070f8357..dc5aa99a6f9708a543fda0241559b51167db7e17 100644
--- a/src/main/java/module-info.java
+++ b/src/main/java/module-info.java
@@ -6,10 +6,7 @@ module gui {
opens de.hdm_stuttgart.battlearena to javafx.fxml;
- opens de.hdm_stuttgart.battlearena.Controller to javafx.fxml;
exports de.hdm_stuttgart.battlearena.Main;
exports de.hdm_stuttgart.battlearena.Controller;
- exports de.hdm_stuttgart.battlearena.Model.Entity;
- exports de.hdm_stuttgart.battlearena.Model.Inputs;
- exports de.hdm_stuttgart.battlearena.Model.Map;
-}
\ No newline at end of file
+ exports de.hdm_stuttgart.battlearena.Model.Multiplayer;
+}