private boolean loadWorld(CommandSender sender, String[] args) { if (args != null && args.length == 1) { WorldBase base = plugin.worldBases.get(args[0]); if (base != null) { WorldInstance instance = plugin.launchInstance(base, true); if (instance != null && sender instanceof Player) { Player player = (Player) sender; plugin.playerLocations.put(player.getName().toLowerCase(), instance.getWorldName()); instance.teleport(player); } } } return true; }