Partially implemented specific unlock databases

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

@@ -31,6 +31,7 @@ public class Net{
     private static boolean server;
     private static boolean active;
     private static boolean clientLoaded;
+    private static String lastIP;
     private static Array<Object> packetQueue = new Array<>();
     private static ObjectMap<Class<?>, Consumer> clientListeners = new ObjectMap<>();
     private static ObjectMap<Class<?>, BiConsumer<Integer, Object>> serverListeners = new ObjectMap<>();
@@ -79,6 +80,7 @@ public class Net{
      * Connect to an address.
      */
     public static void connect(String ip, int port) throws IOException{
+        lastIP = ip + ":" + port;
         if(!active){
             clientProvider.connect(ip, port);
             active = true;
@@ -88,6 +90,11 @@ public class Net{
         }
     }
 
+    /**Returns the last IP connected to.*/
+    public static String getLastIP() {
+        return lastIP;
+    }
+
     /**
      * Host a server at an address.
      */