src/MainMenuController.java

@@ -16,9 +16,11 @@ public class MainMenuController implements ActionListener {
 
     @Override
     public void actionPerformed(ActionEvent e) {
-        if (e.getSource() == view.getLocalButton()) {
-            model.setGameMode("Local");
-            JOptionPane.showMessageDialog(view.getFrame(), "Local game selected.");
+        if (e.getSource() == view.getMultiButton()) {
+            view.closeWindOw();
+            MultiMenuModel model = new MultiMenuModel();
+            MultiMenuView view = new MultiMenuView();
+            MultiMenuController controller2 = new MultiMenuController(model, view);
         } else if (e.getSource() == view.getMultiButton()) {
             model.setGameMode("Multiplayer");
             JOptionPane.showMessageDialog(view.getFrame(), "Multiplayer game selected.");

src/MainMenuView.java

@@ -49,9 +49,11 @@ public class MainMenuView {
         }else{
             soundButton.setIcon(SoundIcon);
         }
-
     }
 
+    public void closeWindOw(){
+        frame.dispose();
+    }
     public JFrame getFrame() {
         return frame;
     }

src/MultiMenuController.java

@@ -0,0 +1,21 @@
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import javax.swing.*;
+
+public class MultiMenuController implements ActionListener {
+    private MultiMenuView view;
+    private MultiMenuModel model;
+
+    public MultiMenuController(MultiMenuModel model, MultiMenuView view) {
+        this.view = view;
+        this.model = model;
+        this.view.getSoundButton().addActionListener(this);
+    }
+
+    @Override
+    public void actionPerformed(ActionEvent e) {
+        if (e.getSource() == view.getSoundButton()) {
+            view.toggleMute();
+        }
+    }
+}

src/MultiMenuModel.java

@@ -0,0 +1,11 @@
+public class MultiMenuModel {
+    private String gameMode;
+
+    public void setGameMode(String mode) {
+        this.gameMode = mode;
+    }
+
+    public String getGameMode() {
+        return gameMode;
+    }
+}

src/MultiMenuView.java

@@ -0,0 +1,53 @@
+import java.awt.*;
+import javax.swing.JFrame;
+import javax.swing.*;
+
+public class MultiMenuView {
+    ImageIcon SoundIcon = new ImageIcon("Grafik/sound button.png");
+    private JFrame frame = new JFrame();
+    private JButton soundButton = new JButton(SoundIcon);
+    Font robotoFont = new Font("Roboto", Font.BOLD, 45);
+    public MultiMenuView() {
+        buildFrame();
+        buildComponents();
+
+    }
+
+
+    public void buildComponents(){
+        soundButton.setBounds(20,20,128,128);
+    }
+
+    public void buildFrame() {
+        frame.setLayout(null);
+        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        frame.setSize(1500,1000);
+        frame.setVisible(true);
+        frame.getContentPane().setBackground( Color.decode("#98F5FF"));
+        JLabel backgroundLabel = new JLabel(new ImageIcon("Grafik/mainmenubackground.png"));
+        frame.setContentPane(backgroundLabel);
+        frame.add(soundButton);
+        frame.setLocationRelativeTo(null);
+    }
+
+    public void toggleMute(){
+        ImageIcon MuteIcon = new ImageIcon("Grafik/sound button muted.png");
+        if(soundButton.getIcon()==SoundIcon) {
+            soundButton.setIcon(MuteIcon);
+        }else{
+            soundButton.setIcon(SoundIcon);
+        }
+    }
+
+    public void closeWindOw(){
+        frame.dispose();
+    }
+    public JFrame getFrame() {
+        return frame;
+    }
+
+    public JButton getSoundButton() {
+        return soundButton;
+    }
+
+}