content: /*
  	This file is part of the OdinMS Maple Story Server
      Copyright (C) 2008 Patrick Huy <patrick.huy@frz.cc>
  		       Matthias Butz <matze@odinms.de>
  		       Jan Christian Meyer <vimes@odinms.de>
  
      This program is free software: you can redistribute it and/or modify
      it under the terms of the GNU Affero General Public License as
      published by the Free Software Foundation version 3 as published by
      the Free Software Foundation. You may not use, modify or distribute
      this program under any other version of the GNU Affero General Public
      License.
  
      This program is distributed in the hope that it will be useful,
      but WITHOUT ANY WARRANTY; without even the implied warranty of
      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      GNU Affero General Public License for more details.
  
      You should have received a copy of the GNU Affero General Public License
      along with this program.  If not, see <http://www.gnu.org/licenses/>.
   */
  package client.processor.npc;
  
  import client.MapleClient;
  import client.MapleCharacter;
  import client.autoban.AutobanFactory;
  import client.inventory.Item;
  import client.inventory.MapleInventory;
  import client.inventory.MapleInventoryType;
  import client.inventory.manipulator.MapleKarmaManipulator;
  import config.YamlConfig;
  import constants.inventory.ItemConstants;
  import client.inventory.manipulator.MapleInventoryManipulator;
  import server.MapleItemInformationProvider;
  import server.MapleStorage;
  import tools.FilePrinter;
  import tools.MaplePacketCreator;
  import tools.data.input.SeekableLittleEndianAccessor;
  
  /**
   *
   * @author Matze
   * @author Ronan - inventory concurrency protection on storing items
   */
  public class StorageProcessor {
      
          public static void storageAction(SeekableLittleEndianAccessor slea, MapleClient c) {
                  MapleItemInformationProvider ii = MapleItemInformationProvider.getInstance();
                  MapleCharacter chr = c.getPlayer();
                  MapleStorage storage = chr.getStorage();
                  byte mode = slea.readByte();
  
                  if (chr.getLevel() < 15){
                          chr.dropMessage(1, "You may only use the storage once you have reached level 15.");
                          c.announce(MaplePacketCreator.enableActions());
                          return;
                  }
                  
                  if (c.tryacquireClient()) {
                          try {
                                  if (mode == 4) { // take out
                                          byte type = slea.readByte();
                                          byte slot = slea.readByte();
                                          if (slot < 0 || slot > storage.getSlots()) { // removal starts at zero
                                                  AutobanFactory.PACKET_EDIT.alert(c.getPlayer(), c.getPlayer().getName() + " tried to packet edit with storage.");
                                                  FilePrinter.print(FilePrinter.EXPLOITS + c.getPlayer().getName() + ".txt", c.getPlayer().getName() + " tried to work with storage slot " + slot);
                                                  c.disconnect(true, false);
                                                  return;
                                          }
                                          slot = storage.getSlot(MapleInventoryType.getByType(type), slot);
                                          Item item = storage.getItem(slot);
                                          if (item != null) {
                                                  if (ii.isPickupRestricted(item.getItemId()) && chr.haveItemWithId(item.getItemId(), true)) {
                                                          c.announce(MaplePacketCreator.getStorageError((byte) 0x0C));
                                                          return;
                                                  }
  
                                                  int takeoutFee = storage.getTakeOutFee();
                                                  if (chr.getMeso() < takeoutFee) {
                                                          c.announce(MaplePacketCreator.getStorageError((byte) 0x0B));
                                                          return;
                                                  } else {
                                                          chr.gainMeso(-takeoutFee, false);
                                                  }
  
                                                  if (MapleInventoryManipulator.checkSpace(c, item.getItemId(), item.getQuantity(), item.getOwner())) {                
                                                          if (storage.takeOut(item)) {
                                                                  chr.setUsedStorage();
                                                                  
                                                                  MapleKarmaManipulator.toggleKarmaFlagToUntradeable(item);
                                                                  MapleInventoryManipulator.addFromDrop(c, item, false);
  
                                                                  String itemName = ii.getName(item.getItemId());
                                                                  FilePrinter.print(FilePrinter.STORAGE + c.getAccountName() + ".txt", c.getPlayer().getName() + " took out " + item.getQuantity() + " " + itemName + " (" + item.getItemId() + ")");
  
                                                                  storage.sendTakenOut(c, item.getInventoryType());
                                                          } else {
                                                                  c.announce(MaplePacketCreator.enableActions());
                                                                  return;
                                                          }
                                                  } else {
                                                          c.announce(MaplePacketCreator.getStorageError((byte) 0x0A));
                                                  }
                                          }
                                  } else if (mode == 5) { // store
                                          short slot = slea.readShort();
                                          int itemId = slea.readInt();
                                          short quantity = slea.readShort();
                                          MapleInventoryType invType = ItemConstants.getInventoryType(itemId);
                                          MapleInventory inv = chr.getInventory(invType);
                                          if (slot < 1 || slot > inv.getSlotLimit()) { //player inv starts at one
                                                  AutobanFactory.PACKET_EDIT.alert(c.getPlayer(), c.getPlayer().getName() + " tried to packet edit with storage.");
                                                  FilePrinter.print(FilePrinter.EXPLOITS + c.getPlayer().getName() + ".txt", c.getPlayer().getName() + " tried to store item at slot " + slot);
                                                  c.disconnect(true, false);
                                                  return;
                                          }
                                          if (quantity < 1) {
                                                  c.announce(MaplePacketCreator.enableActions());
                                                  return;
                                          }
                                          if (storage.isFull()) {
                                                  c.announce(MaplePacketCreator.getStorageError((byte) 0x11));
                                                  return;
                                          }
  
                                          int storeFee = storage.getStoreFee();
                                          if (chr.getMeso() < storeFee) {
                                                  c.announce(MaplePacketCreator.getStorageError((byte) 0x0B));
                                          } else {
                                                  Item item;
                                                  
                                                  inv.lockInventory();    // thanks imbee for pointing a dupe within storage
                                                  try {
                                                          item = inv.getItem(slot);
                                                          if (item != null && item.getItemId() == itemId && (item.getQuantity() >= quantity || ItemConstants.isRechargeable(itemId))) {
                                                                  if (ItemConstants.isWeddingRing(itemId) || ItemConstants.isWeddingToken(itemId)) {
                                                                          c.announce(MaplePacketCreator.enableActions());
                                                                          return;
                                                                  }
                                                                  
                                                                  if (ItemConstants.isRechargeable(itemId)) {
                                                                          quantity = item.getQuantity();
                                                                  }
                                                                  
                                                                  MapleInventoryManipulator.removeFromSlot(c, invType, slot, quantity, false);
                                                          } else {
                                                                  c.announce(MaplePacketCreator.enableActions());
                                                                  return;
                                                          }
                                                          
                                                          item = item.copy();     // thanks Robin Schulz & BHB88 for noticing a inventory glitch when storing items
                                                  } finally {
                                                          inv.unlockInventory();
                                                  }
                                                  
                                                  chr.gainMeso(-storeFee, false, true, false);
                                                  
                                                  MapleKarmaManipulator.toggleKarmaFlagToUntradeable(item);
                                                  item.setQuantity(quantity);
                                                  
                                                  storage.store(item);    // inside a critical section, "!(storage.isFull())" is still in effect...
                                                  chr.setUsedStorage();
                                                  
                                                  String itemName = ii.getName(item.getItemId());
                                                  FilePrinter.print(FilePrinter.STORAGE + c.getAccountName() + ".txt", c.getPlayer().getName() + " stored " + item.getQuantity() + " " + itemName + " (" + item.getItemId() + ")");
                                                  
                                                  storage.sendStored(c, ItemConstants.getInventoryType(itemId));
                                          }
                                  } else if (mode == 6) { // arrange items
                                          if(YamlConfig.config.server.USE_STORAGE_ITEM_SORT) storage.arrangeItems(c);
                                          c.announce(MaplePacketCreator.enableActions());
                                  } else if (mode == 7) { // meso
                                          int meso = slea.readInt();
                                          int storageMesos = storage.getMeso();
                                          int playerMesos = chr.getMeso();
                                          if ((meso > 0 && storageMesos >= meso) || (meso < 0 && playerMesos >= -meso)) {
                                                  if (meso < 0 && (storageMesos - meso) < 0) {
                                                          meso = Integer.MIN_VALUE + storageMesos;
                                                          if (meso < playerMesos) {
                                                                  c.announce(MaplePacketCreator.enableActions());
                                                                  return;
                                                          }
                                                  } else if (meso > 0 && (playerMesos + meso) < 0) {
                                                          meso = Integer.MAX_VALUE - playerMesos;
                                                          if (meso > storageMesos) {
                                                                  c.announce(MaplePacketCreator.enableActions());
                                                                  return;
                                                          }
                                                  }
                                                  storage.setMeso(storageMesos - meso);
                                                  chr.gainMeso(meso, false, true, false);
                                                  chr.setUsedStorage();
                                                  FilePrinter.print(FilePrinter.STORAGE + c.getPlayer().getName() + ".txt", c.getPlayer().getName() + (meso > 0 ? " took out " : " stored ") + Math.abs(meso) + " mesos");
                                                  storage.sendMeso(c);
                                          } else {
                                                  c.announce(MaplePacketCreator.enableActions());
                                                  return;
                                          }
                                  } else if (mode == 8) {// close... unless the player decides to enter cash shop!
                                          storage.close();
                                  }
                          } finally {
                                  c.releaseClient();
                          }
                  }
          }
  }
  