SpigotCore_Main/src/de/steamwar/command/SWCommandUtils.java

@@ -19,6 +19,7 @@
 
 package de.steamwar.command;
 
+import de.steamwar.sql.SteamwarUser;
 import org.bukkit.Bukkit;
 import org.bukkit.GameMode;
 import org.bukkit.command.Command;
@@ -69,6 +70,7 @@ public class SWCommandUtils {
             if (s.equals("a") || s.equals("adventure") || s.equals("2")) return GameMode.ADVENTURE;
             return null;
         }, s -> Arrays.asList("s", "survival", "0", "c", "creative", "1", "sp", "spectator", "3", "a", "adventure", "2")));
+        MAPPER_FUNCTIONS.put(SteamwarUser.class.getTypeName(), createMapper(SteamwarUser::get, s -> Bukkit.getOnlinePlayers().stream().map(Player::getName).collect(Collectors.toList())));
     }
 
     private static void addMapper(Class<?> clazz, Class<?> alternativeClazz, TypeMapper<?> mapper) {