Fixed crash when connnecting, improved error messages

android/AndroidManifest.xml

@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="io.anuke.mindustry"
-    android:versionCode="53"
-    android:versionName="3.3b5" >
+    android:versionCode="54"
+    android:versionName="3.3b6" >
 
     <uses-permission android:name="com.android.vending.BILLING" />
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

core/assets/bundles/bundle.properties

@@ -17,6 +17,7 @@ text.name=Name:
 text.public=Public
 text.players={0} players online
 text.players.single={0} player online
+text.server.mismatch=Packet error: possible client/server version mismatch.\nMake sure you and the host have the\nlatest version of Mindustry!
 text.server.closing=[accent]Closing server...
 text.server.kicked.kick=You have been kicked from the server!
 text.server.kicked.invalidPassword=Invalid password!

core/src/io/anuke/mindustry/core/NetClient.java

@@ -47,6 +47,7 @@ public class NetClient extends Module {
     public NetClient(){
 
         Net.handle(Connect.class, packet -> {
+            Net.setClientLoaded(false);
             requests.clear();
             connecting = true;
             gotData = false;
@@ -99,6 +100,7 @@ public class NetClient extends Module {
 
                 Net.send(new ConnectConfirmPacket(), SendMode.tcp);
                 GameState.set(State.playing);
+                Net.setClientLoaded(true);
             });
         });
 

core/src/io/anuke/mindustry/core/UI.java

@@ -180,6 +180,10 @@ public class UI extends SceneModule{
 	}
 
 	public void showError(String text){
+		if(hasDialog()){
+			Dialog dialog = scene.getScrollFocus() instanceof  Dialog ? (Dialog)scene.getScrollFocus() : (Dialog)scene.getKeyboardFocus();
+			dialog.hide();
+		}
 		new Dialog("$text.error.title", "dialog"){{
 			content().margin(15).add(text);
 			buttons().addButton("$text.ok", this::hide).size(90, 50).pad(4);

core/src/io/anuke/mindustry/io/Saves.java

@@ -51,6 +51,10 @@ public class Saves {
     }
 
     public void update(){
+        if(GameState.is(State.menu)){
+            current = null;
+        }
+
         if(!GameState.is(State.menu) && !Vars.control.isGameOver() && current != null && current.isAutosave()){
             time += Timers.delta();
             if(time > Settings.getInt("saveinterval")*60) {

core/src/io/anuke/mindustry/net/Net.java

@@ -18,6 +18,7 @@ import java.io.IOException;
 public class Net{
 	private static boolean server;
 	private static boolean active;
+	private static boolean clientLoaded;
 	private static ObjectMap<Class<?>, Consumer> clientListeners = new ObjectMap<>();
 	private static ObjectMap<Class<?>, Consumer> serverListeners = new ObjectMap<>();
 	private static ClientProvider clientProvider;
@@ -26,6 +27,10 @@ public class Net{
 	private static int lastConnection = -1;
 	private static IntMap<StreamBuilder> streams = new IntMap<>();
 	private static AsyncExecutor executor = new AsyncExecutor(4);
+
+	public static void setClientLoaded(boolean loaded){
+		clientLoaded = loaded;
+	}
 	
 	/**Connect to an address.*/
 	public static void connect(String ip, int port) throws IOException{
@@ -141,7 +146,7 @@ public class Net{
 				handleClientReceived(builder.build());
 			}
 		}else if(clientListeners.get(object.getClass()) != null){
-			clientListeners.get(object.getClass()).accept(object);
+			if(clientLoaded) clientListeners.get(object.getClass()).accept(object);
 		}else{
 			Gdx.app.error("Mindustry::Net", "Unhandled packet type: '" + object.getClass() + "'!");
 		}

core/src/io/anuke/mindustry/net/Registrator.java

@@ -7,7 +7,6 @@ import io.anuke.mindustry.entities.enemies.Enemy;
 import io.anuke.mindustry.net.Packets.*;
 import io.anuke.mindustry.net.Streamable.StreamBegin;
 import io.anuke.mindustry.net.Streamable.StreamChunk;
-import io.anuke.mindustry.resource.Mech;
 import io.anuke.ucore.entities.Entity;
 
 public class Registrator {
@@ -47,15 +46,11 @@ public class Registrator {
                 int[].class,
                 int[][].class,
                 Entity[].class,
-                Player[].class,
                 Array.class,
                 Vector2.class,
-                EnemySpawnPacket[].class,
 
                 Entity.class,
                 Player.class,
-                Mech.class,
-
                 Enemy.class
         };
     }

core/src/io/anuke/mindustry/ui/dialogs/HostDialog.java

@@ -25,6 +25,7 @@ public class HostDialog extends FloatingDialog{
                 Vars.player.name = text;
                 Settings.put("name", text);
                 Settings.save();
+                Vars.ui.listfrag.rebuild();
             }).grow().pad(8);
         }).width(w).height(70f).pad(4);
 

core/src/io/anuke/mindustry/world/blocks/types/distribution/Sorter.java

@@ -48,8 +48,7 @@ public class Sorter extends Junction{
 	public void handleItem(Item item, Tile tile, Tile source){
 		Tile to = getTileTarget(item, tile, source, true);
 		
-		Timers.run(15, ()->{
-			if(to == null || to.entity == null) return;
+		Timers.run(15, () -> {
 			to.block().handleItem(item, to, tile);
 		});
 		

kryonet/src/io/anuke/kryonet/KryoClient.java

@@ -42,7 +42,7 @@ public class KryoClient implements ClientProvider{
 
             }
         });
-        client.start();
+
         client.addListener(new Listener(){
             @Override
             public void connected (Connection connection) {
@@ -75,7 +75,13 @@ public class KryoClient implements ClientProvider{
                 try{
                     Net.handleClientReceived(object);
                 }catch (Exception e){
-                    Gdx.app.postRunnable(() -> {throw new RuntimeException(e);});
+                    if(e instanceof KryoNetException && e.getMessage() != null && e.getMessage().toLowerCase().contains("incorrect")) {
+                        UCore.log("Mismatch!");
+                    }else{
+                        Gdx.app.postRunnable(() -> {
+                            throw new RuntimeException(e);
+                        });
+                    }
                 }
 
             }
@@ -86,6 +92,19 @@ public class KryoClient implements ClientProvider{
 
     @Override
     public void connect(String ip, int port) throws IOException {
+        //just in case
+        client.stop();
+
+        Thread updateThread = new Thread(() -> {
+            try{
+                client.run();
+            }catch (Exception e){
+                handleException(e);
+            }
+        }, "Kryonet Client");
+        updateThread.setDaemon(true);
+        updateThread.start();
+
         client.connect(5000, ip, port, port);
     }
 
@@ -145,4 +164,14 @@ public class KryoClient implements ClientProvider{
         }
     }
 
+    private void handleException(Exception e){
+        e.printStackTrace();
+        if(e instanceof KryoNetException){
+            Gdx.app.postRunnable(() -> Vars.ui.showError("$text.server.mismatch"));
+        }else{
+            //TODO better exception handling.
+            disconnect();
+        }
+    }
+
 }