public static void displayMerch(MapleClient c) {
    int conv = c.getPlayer().getConversation();
    boolean merch = World.hasMerchant(c.getPlayer().getAccountID(), c.getPlayer().getId());
    MerchItemPackage pack;
    if (merch) {
      c.getPlayer().dropMessage(1, "Please close the existing store and try again.");
      c.getPlayer().setConversation(0);
    } else if (c.getChannelServer().isShutdown()) {
      c.getPlayer().dropMessage(1, "The world is going to shut down.");
      c.getPlayer().setConversation(0);
    } else if (conv == 3) {
      pack = loadItemFrom_Database(c.getPlayer().getAccountID());

      if (pack == null) {
        c.getPlayer().dropMessage(1, "You do not have any item(s) with Fredrick.");
        c.getPlayer().setConversation(0);
      } else if (pack.getItems().size() <= 0) {
        if (!check(c.getPlayer(), pack)) {
          c.getSession().write(PlayerShopPacket.merchItem_Message(33));
          return;
        }
        if (deletePackage(
            c.getPlayer().getAccountID(), pack.getPackageid(), c.getPlayer().getId())) {
          c.getPlayer().fakeRelog();
          c.getPlayer().gainMeso(pack.getMesos(), false);
          c.getSession().write(PlayerShopPacket.merchItem_Message(29));
          c.getPlayer().dropMessage(1, "You have retrieved your mesos.");
        } else {
          c.getPlayer().dropMessage(1, "An unknown error occured.");
        }
        c.getPlayer().setConversation(0);
      } else {
        c.getSession().write(PlayerShopPacket.merchItemStore_ItemData(pack));
        MapleInventoryManipulator.checkSpace(c, conv, conv, null);
        for (Item item : pack.getItems()) {
          if (c.getPlayer()
              .getInventory(GameConstants.getInventoryType(item.getItemId()))
              .isFull()) {
            c.removeClickedNPC();
            c.getPlayer().dropMessage(1, "Your inventory is full (Please relog)");
            break;
          }
          MapleInventoryManipulator.addFromDrop(c, item, true);
          deletePackage(c.getPlayer().getAccountID(), pack.getPackageid(), c.getPlayer().getId());

          c.removeClickedNPC();
        }
        c.getPlayer().dropMessage(1, "Items have been returned to you, please relog.");
      }
    }

    c.getSession().write(CWvsContext.enableActions());
  }
 private static void requestItems(MapleClient c, boolean request) {
   if (c.getPlayer().getConversation() != 3) {
     return;
   }
   boolean merch = World.hasMerchant(c.getPlayer().getAccountID(), c.getPlayer().getId());
   if (merch) {
     c.getPlayer().dropMessage(1, "Please close the existing store and try again.");
     c.getPlayer().setConversation(0);
     return;
   }
   MerchItemPackage pack = loadItemFrom_Database(c.getPlayer().getAccountID());
   if (pack == null) {
     c.getPlayer().dropMessage(1, "An unknown error occured.");
     return;
   }
   if (c.getChannelServer().isShutdown()) {
     c.getPlayer().dropMessage(1, "The world is going to shut down.");
     c.getPlayer().setConversation(0);
     return;
   }
   int days = StringUtil.getDaysAmount(pack.getSavedTime(), System.currentTimeMillis());
   double percentage = days / 100.0D;
   int fee = (int) Math.ceil(percentage * pack.getMesos());
   if ((request) && (days > 0) && (percentage > 0.0D) && (pack.getMesos() > 0) && (fee > 0)) {
     c.getSession().write(PlayerShopPacket.merchItemStore((byte) 38, days, fee));
     return;
   }
   if (fee < 0) {
     c.getSession().write(PlayerShopPacket.merchItem_Message(33));
     return;
   }
   if (c.getPlayer().getMeso() < fee) {
     c.getSession().write(PlayerShopPacket.merchItem_Message(35));
     return;
   }
   if (!check(c.getPlayer(), pack)) {
     c.getSession().write(PlayerShopPacket.merchItem_Message(36));
     return;
   }
   if (deletePackage(c.getPlayer().getAccountID(), pack.getPackageid(), c.getPlayer().getId())) {
     if (fee > 0) {
       c.getPlayer().gainMeso(-fee, true);
     }
     c.getPlayer().gainMeso(pack.getMesos(), false);
     for (Item item : pack.getItems()) {
       MapleInventoryManipulator.addFromDrop(c, item, false);
     }
     c.getSession().write(PlayerShopPacket.merchItem_Message(32));
   } else {
     c.getPlayer().dropMessage(1, "An unknown error occured.");
   }
 }