add api to get protocol version (for version check in the future)

api/src/main/java/us/ajg0702/queue/api/players/AdaptedPlayer.java

@@ -66,6 +66,12 @@ public interface AdaptedPlayer extends Handle, Audience {
      */
     void connect(AdaptedServer server);
 
+    /**
+     * Returns the version this player is running.
+     * @return the version
+     */
+    int getProtocolVersion();
+
     /**
      * Gets the player's username
      * @return the player's username

platforms/bungeecord/src/main/java/us/ajg0702/queue/platforms/bungeecord/players/BungeePlayer.java

@@ -124,6 +124,11 @@ public class BungeePlayer implements AdaptedPlayer, Audience {
         handle.connect(((BungeeServer) server).getHandle());
     }
 
+    @Override
+    public int getProtocolVersion() {
+        return handle.getPendingConnection().getVersion();
+    }
+
     @Override
     public String getName() {
         return handle.getName();

platforms/velocity/src/main/java/us/ajg0702/queue/platforms/velocity/players/VelocityPlayer.java

@@ -131,6 +131,11 @@ public class VelocityPlayer implements AdaptedPlayer, Audience {
         );
     }
 
+    @Override
+    public int getProtocolVersion() {
+        return handle.getProtocolVersion().getProtocol();
+    }
+
     @Override
     public String getName() {
         return handle.getUsername();