Fixed: synchronized on client UI

src/main/java/it/polimi/ingsw/gc14/Network/RMI/Client/ClientCallbackImpl.java

@@ -53,6 +53,8 @@ public class ClientCallbackImpl extends UnicastRemoteObject implements IClientCa
      */
     @Override
     public void onAction(NetworkEvent event) throws RemoteException {
+        synchronized (clientController)
+        {
             if(event.getIsError()) {
                 clientController.view.showError(event.toString());
             } else {
@@ -60,4 +62,5 @@ public class ClientCallbackImpl extends UnicastRemoteObject implements IClientCa
                 clientController.view.render();
             }
         }
+    }
 }

src/main/java/it/polimi/ingsw/gc14/Network/TCP/Client/TCPClient.java

@@ -156,6 +156,7 @@ public class TCPClient implements IClient {
                     e.printStackTrace();
                     break;
                 }
+                synchronized (controller) {
                     if (read instanceof NetworkEvent event) {
                         if (event.getIsError()) {
                             controller.view.showError(event.toString());
@@ -168,6 +169,7 @@ public class TCPClient implements IClient {
                         controller.setModel(model);
                         controller.view.render();
                     }
+                }
             } catch (ClassNotFoundException e) {
                 e.printStackTrace();
                 break;

src/main/java/it/polimi/ingsw/gc14/View/GUI/MainFXMLController.java

@@ -88,6 +88,8 @@ public class MainFXMLController {
 
     public void render() {
 
+        synchronized (controller)
+        {
             if (old_state_stage==null) {
                 renderBackground();
                 renderUpper();
@@ -117,6 +119,7 @@ public class MainFXMLController {
 
             old_state_stage=controller.miniModel.currentState.getGameStage();
             old_state_username=controller.miniModel.currentState.getCurrentPlayer().getUserName();
+        }
         // TODO: le info in sidepanel non vengono aggiornate sempre aggiornate, bisogna prima capire dove metterle
 
     }