Added version check, fixed chat being open in singleplayer

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

@@ -8,6 +8,7 @@ import com.badlogic.gdx.utils.async.AsyncExecutor;
 import io.anuke.mindustry.Mindustry;
 import io.anuke.mindustry.net.Packets.Connect;
 import io.anuke.mindustry.net.Packets.Disconnect;
+import io.anuke.mindustry.net.Packets.KickReason;
 import io.anuke.mindustry.net.Streamable.StreamBegin;
 import io.anuke.mindustry.net.Streamable.StreamBuilder;
 import io.anuke.mindustry.net.Streamable.StreamChunk;
@@ -19,6 +20,8 @@ import io.anuke.ucore.function.Consumer;
 import java.io.IOException;
 
 public class Net{
+	public static final int version = 9;
+
 	private static boolean server;
 	private static boolean active;
 	private static boolean clientLoaded;
@@ -79,8 +82,8 @@ public class Net{
 	}
 
 	/**Kick a specified connection from the server.*/
-	public static void kickConnection(int id){
-		serverProvider.kick(id);
+	public static void kickConnection(int id, KickReason reason){
+		serverProvider.kick(id, reason);
 	}
 
 	/**Returns a list of all connections IDs.*/
@@ -249,7 +252,7 @@ public class Net{
 		/**Return all connected users.*/
 		Array<? extends NetConnection> getConnections();
 		/**Kick a certain connection.*/
-		void kick(int connection);
+		void kick(int connection, KickReason reason);
 		/**Returns the ping for a certain connection.*/
 		int getPingFor(NetConnection connection);
 		/**Register classes to be sent.*/

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

@@ -19,14 +19,10 @@ import io.anuke.ucore.entities.Entities;
 import java.io.*;
 
 public class NetworkIO {
-    private static final int fileVersionID = 16;
 
     public static void write(int playerID, ByteArray upgrades, OutputStream os){
 
         try(DataOutputStream stream = new DataOutputStream(os)){
-
-            //--META--
-            stream.writeInt(fileVersionID); //version id
             stream.writeFloat(Timers.time()); //timer time
             stream.writeLong(TimeUtils.millis()); //timestamp
 
@@ -151,17 +147,11 @@ public class NetworkIO {
     public static void load(InputStream is){
 
         try(DataInputStream stream = new DataInputStream(is)){
-
-            int version = stream.readInt();
             float timerTime = stream.readFloat();
             long timestamp = stream.readLong();
 
             Timers.resetTime(timerTime + (TimeUtils.timeSinceMillis(timestamp) / 1000f) * 60f);
 
-            if(version != fileVersionID){
-                throw new RuntimeException("Netcode version mismatch!");
-            }
-
             //general state
             byte mode = stream.readByte();
             byte mapid = stream.readByte();

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

@@ -44,11 +44,13 @@ public class Packets {
     }
 
     public static class ConnectPacket implements Packet{
+        public int version;
         public String name;
         public boolean android;
 
         @Override
         public void write(ByteBuffer buffer) {
+            buffer.putInt(Net.version);
             buffer.put((byte)name.getBytes().length);
             buffer.put(name.getBytes());
             buffer.put(android ? (byte)1 : 0);
@@ -56,6 +58,7 @@ public class Packets {
 
         @Override
         public void read(ByteBuffer buffer) {
+            version = buffer.getInt();
             byte length = buffer.get();
             byte[] bytes = new byte[length];
             buffer.get(bytes);
@@ -394,7 +397,7 @@ public class Packets {
     }
 
     public enum KickReason{
-        kick, invalidPassword
+        kick, invalidPassword, outdated
     }
 
     public static class UpgradePacket implements Packet{