733 lines
25 KiB
C++
733 lines
25 KiB
C++
/**
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* MaNGOS is a full featured server for World of Warcraft, supporting
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* the following clients: 1.12.x, 2.4.3, 3.3.5a, 4.3.4a and 5.4.8
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*
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* Copyright (C) 2005-2018 MaNGOS project <https://getmangos.eu>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* World of Warcraft, and all World of Warcraft or Warcraft art, images,
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* and lore are copyrighted by Blizzard Entertainment, Inc.
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*/
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#include "Common.h"
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#include "WorldPacket.h"
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#include "WorldSession.h"
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#include "World.h"
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#include "ObjectAccessor.h"
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#include "Log.h"
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#include "Opcodes.h"
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#include "Player.h"
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#include "Item.h"
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#include "Spell.h"
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#include "SocialMgr.h"
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#include "DBCStores.h"
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void WorldSession::SendTradeStatus(const TradeStatusInfo& info)
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{
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WorldPacket data(SMSG_TRADE_STATUS, 13);
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data << uint32(info.Status);
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switch (info.Status)
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{
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case TRADE_STATUS_BEGIN_TRADE:
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data << info.TraderGuid; // CGTradeInfo::m_tradingPlayer
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break;
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case TRADE_STATUS_CLOSE_WINDOW:
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data << uint32(info.Result); // InventoryResult
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data << uint8(info.IsTargetResult); // bool isTargetError; used for: EQUIP_ERR_BAG_FULL, EQUIP_ERR_CANT_CARRY_MORE_OF_THIS, EQUIP_ERR_MISSING_REAGENT, EQUIP_ERR_ITEM_MAX_LIMIT_CATEGORY_COUNT_EXCEEDED
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data << uint32(info.ItemLimitCategoryId); // ItemLimitCategory.dbc entry
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break;
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case TRADE_STATUS_WRONG_REALM:
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data << uint8(info.Slot); // Trade slot; -1 here clears CGTradeInfo::m_tradeMoney
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break;
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default:
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break;
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}
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SendPacket(&data);
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}
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void WorldSession::HandleIgnoreTradeOpcode(WorldPacket& /*recvPacket*/)
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{
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DEBUG_LOG("WORLD: Ignore Trade %u", _player->GetGUIDLow());
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// recvPacket.print_storage();
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}
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void WorldSession::HandleBusyTradeOpcode(WorldPacket& /*recvPacket*/)
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{
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DEBUG_LOG("WORLD: Busy Trade %u", _player->GetGUIDLow());
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// recvPacket.print_storage();
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}
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void WorldSession::SendUpdateTrade(bool trader_state /*= true*/)
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{
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TradeData* view_trade = trader_state ? _player->GetTradeData()->GetTraderData() : _player->GetTradeData();
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WorldPacket data(SMSG_TRADE_STATUS_EXTENDED, (100)); // guess size
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data << uint8(trader_state ? 1 : 0); // send trader or own trade windows state (last need for proper show spell apply to non-trade slot)
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data << uint32(TRADE_SLOT_COUNT); // trade slots count/number?, = next field in most cases
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data << uint32(TRADE_SLOT_COUNT); // trade slots count/number?, = prev field in most cases
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data << uint32(view_trade->GetMoney()); // trader gold
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data << uint32(view_trade->GetSpell()); // spell casted on lowest slot item
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for (uint8 i = 0; i < TRADE_SLOT_COUNT; ++i)
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{
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data << uint8(i); // trade slot number, if not specified, then end of packet
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if (Item* item = view_trade->GetItem(TradeSlots(i)))
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{
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data << uint32(item->GetProto()->ItemId); // entry
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data << uint32(item->GetProto()->DisplayInfoID);// display id
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data << uint32(item->GetCount()); // stack count
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// wrapped: hide stats but show giftcreator name
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data << uint32(item->HasFlag(ITEM_FIELD_FLAGS, ITEM_DYNFLAG_WRAPPED) ? 1 : 0);
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data << item->GetGuidValue(ITEM_FIELD_GIFTCREATOR);
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data << uint32(item->GetEnchantmentId(PERM_ENCHANTMENT_SLOT));
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data << item->GetGuidValue(ITEM_FIELD_CREATOR);
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data << uint32(item->GetSpellCharges()); // charges
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data << uint32(item->GetItemSuffixFactor()); // SuffixFactor
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data << uint32(item->GetItemRandomPropertyId());// random properties id
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data << uint32(item->GetProto()->LockID); // lock id
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// max durability
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data << uint32(item->GetUInt32Value(ITEM_FIELD_MAXDURABILITY));
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// durability
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data << uint32(item->GetUInt32Value(ITEM_FIELD_DURABILITY));
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}
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else
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{
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for (uint8 j = 0; j < 15; ++j)
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{ data << uint32(0); }
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}
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}
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SendPacket(&data);
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}
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//==============================================================
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// transfer the items to the players
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void WorldSession::moveItems(Item* myItems[], Item* hisItems[])
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{
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Player* trader = _player->GetTrader();
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if (!trader)
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{ return; }
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for (int i = 0; i < TRADE_SLOT_TRADED_COUNT; ++i)
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{
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ItemPosCountVec traderDst;
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ItemPosCountVec playerDst;
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bool traderCanTrade = (myItems[i] == NULL || trader->CanStoreItem(NULL_BAG, NULL_SLOT, traderDst, myItems[i], false) == EQUIP_ERR_OK);
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bool playerCanTrade = (hisItems[i] == NULL || _player->CanStoreItem(NULL_BAG, NULL_SLOT, playerDst, hisItems[i], false) == EQUIP_ERR_OK);
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if (traderCanTrade && playerCanTrade)
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{
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// Ok, if trade item exists and can be stored
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// If we trade in both directions we had to check, if the trade will work before we actually do it
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// A roll back is not possible after we stored it
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if (myItems[i])
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{
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// logging
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DEBUG_LOG("partner storing: %s", myItems[i]->GetGuidStr().c_str());
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if (_player->GetSession()->GetSecurity() > SEC_PLAYER && sWorld.getConfig(CONFIG_BOOL_GM_LOG_TRADE))
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{
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sLog.outCommand(_player->GetSession()->GetAccountId(), "GM %s (Account: %u) trade: %s (Entry: %d Count: %u) to player: %s (Account: %u)",
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_player->GetName(), _player->GetSession()->GetAccountId(),
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myItems[i]->GetProto()->Name1, myItems[i]->GetEntry(), myItems[i]->GetCount(),
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trader->GetName(), trader->GetSession()->GetAccountId());
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}
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// store
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trader->MoveItemToInventory(traderDst, myItems[i], true, true);
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}
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if (hisItems[i])
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{
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// logging
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DEBUG_LOG("player storing: %s", hisItems[i]->GetGuidStr().c_str());
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if (trader->GetSession()->GetSecurity() > SEC_PLAYER && sWorld.getConfig(CONFIG_BOOL_GM_LOG_TRADE))
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{
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sLog.outCommand(trader->GetSession()->GetAccountId(), "GM %s (Account: %u) trade: %s (Entry: %d Count: %u) to player: %s (Account: %u)",
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trader->GetName(), trader->GetSession()->GetAccountId(),
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hisItems[i]->GetProto()->Name1, hisItems[i]->GetEntry(), hisItems[i]->GetCount(),
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_player->GetName(), _player->GetSession()->GetAccountId());
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}
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// store
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_player->MoveItemToInventory(playerDst, hisItems[i], true, true);
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}
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}
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else
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{
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// in case of fatal error log error message
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// return the already removed items to the original owner
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if (myItems[i])
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{
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if (!traderCanTrade)
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{ sLog.outError("trader can't store item: %s", myItems[i]->GetGuidStr().c_str()); }
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if (_player->CanStoreItem(NULL_BAG, NULL_SLOT, playerDst, myItems[i], false) == EQUIP_ERR_OK)
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{ _player->MoveItemToInventory(playerDst, myItems[i], true, true); }
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else
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{ sLog.outError("player can't take item back: %s", myItems[i]->GetGuidStr().c_str()); }
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}
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// return the already removed items to the original owner
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if (hisItems[i])
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{
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if (!playerCanTrade)
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{ sLog.outError("player can't store item: %s", hisItems[i]->GetGuidStr().c_str()); }
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if (trader->CanStoreItem(NULL_BAG, NULL_SLOT, traderDst, hisItems[i], false) == EQUIP_ERR_OK)
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{ trader->MoveItemToInventory(traderDst, hisItems[i], true, true); }
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else
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{ sLog.outError("trader can't take item back: %s", hisItems[i]->GetGuidStr().c_str()); }
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}
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}
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}
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}
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//==============================================================
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static void setAcceptTradeMode(TradeData* myTrade, TradeData* hisTrade, Item** myItems, Item** hisItems)
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{
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myTrade->SetInAcceptProcess(true);
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hisTrade->SetInAcceptProcess(true);
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// store items in local list and set 'in-trade' flag
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for (int i = 0; i < TRADE_SLOT_TRADED_COUNT; ++i)
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{
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if (Item* item = myTrade->GetItem(TradeSlots(i)))
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{
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DEBUG_LOG("player trade %s bag: %u slot: %u", item->GetGuidStr().c_str(), item->GetBagSlot(), item->GetSlot());
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// Can return NULL
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myItems[i] = item;
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myItems[i]->SetInTrade();
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}
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if (Item* item = hisTrade->GetItem(TradeSlots(i)))
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{
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DEBUG_LOG("partner trade %s bag: %u slot: %u", item->GetGuidStr().c_str(), item->GetBagSlot(), item->GetSlot());
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hisItems[i] = item;
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hisItems[i]->SetInTrade();
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}
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}
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}
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static void clearAcceptTradeMode(TradeData* myTrade, TradeData* hisTrade)
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{
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myTrade->SetInAcceptProcess(false);
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hisTrade->SetInAcceptProcess(false);
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}
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static void clearAcceptTradeMode(Item** myItems, Item** hisItems)
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{
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// clear 'in-trade' flag
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for (int i = 0; i < TRADE_SLOT_TRADED_COUNT; ++i)
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{
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if (myItems[i])
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{ myItems[i]->SetInTrade(false); }
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if (hisItems[i])
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{ hisItems[i]->SetInTrade(false); }
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}
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}
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void WorldSession::HandleAcceptTradeOpcode(WorldPacket& recvPacket)
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{
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recvPacket.read_skip<uint32>();
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TradeData* my_trade = _player->m_trade;
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if (!my_trade)
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{ return; }
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Player* trader = my_trade->GetTrader();
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TradeData* his_trade = trader->m_trade;
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if (!his_trade)
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{ return; }
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Item* myItems[TRADE_SLOT_TRADED_COUNT] = { NULL, NULL, NULL, NULL, NULL, NULL };
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Item* hisItems[TRADE_SLOT_TRADED_COUNT] = { NULL, NULL, NULL, NULL, NULL, NULL };
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// set before checks to properly undo at problems (it already set in to client)
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my_trade->SetAccepted(true);
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TradeStatusInfo info;
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if (!_player->IsWithinDistInMap(trader, TRADE_DISTANCE, false))
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{
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info.Status = TRADE_STATUS_TARGET_TO_FAR;
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SendTradeStatus(info);
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my_trade->SetAccepted(false);
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return;
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}
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// not accept case incorrect money amount
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if (my_trade->GetMoney() > _player->GetMoney())
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{
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info.Status = TRADE_STATUS_CLOSE_WINDOW;
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info.Result = EQUIP_ERR_NOT_ENOUGH_MONEY;
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SendTradeStatus(info);
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my_trade->SetAccepted(false, true);
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return;
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}
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// not accept case incorrect money amount
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if (his_trade->GetMoney() > trader->GetMoney())
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{
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info.Status = TRADE_STATUS_CLOSE_WINDOW;
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info.Result = EQUIP_ERR_NOT_ENOUGH_MONEY;
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trader->GetSession()->SendTradeStatus(info);
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his_trade->SetAccepted(false, true);
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return;
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}
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// not accept if some items now can't be trade (cheating)
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for (int i = 0; i < TRADE_SLOT_TRADED_COUNT; ++i)
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{
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if (Item* item = my_trade->GetItem(TradeSlots(i)))
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{
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if (!item->CanBeTraded())
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{
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info.Status = TRADE_STATUS_TRADE_CANCELED;
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SendTradeStatus(info);
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return;
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}
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}
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if (Item* item = his_trade->GetItem(TradeSlots(i)))
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{
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if (!item->CanBeTraded())
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{
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info.Status = TRADE_STATUS_TRADE_CANCELED;
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SendTradeStatus(info);
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return;
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}
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}
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}
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if (his_trade->IsAccepted())
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{
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setAcceptTradeMode(my_trade, his_trade, myItems, hisItems);
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Spell* my_spell = NULL;
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SpellCastTargets my_targets;
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Spell* his_spell = NULL;
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SpellCastTargets his_targets;
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// not accept if spell can't be casted now (cheating)
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if (uint32 my_spell_id = my_trade->GetSpell())
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{
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SpellEntry const* spellEntry = sSpellStore.LookupEntry(my_spell_id);
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Item* castItem = my_trade->GetSpellCastItem();
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if (!spellEntry || !his_trade->GetItem(TRADE_SLOT_NONTRADED) ||
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(my_trade->HasSpellCastItem() && !castItem))
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{
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clearAcceptTradeMode(my_trade, his_trade);
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clearAcceptTradeMode(myItems, hisItems);
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my_trade->SetSpell(0);
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return;
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}
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my_spell = new Spell(_player, spellEntry, true);
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my_spell->m_CastItem = castItem;
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my_targets.setTradeItemTarget(_player);
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my_spell->m_targets = my_targets;
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SpellCastResult res = my_spell->CheckCast(true);
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if (res != SPELL_CAST_OK)
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{
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my_spell->SendCastResult(res);
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clearAcceptTradeMode(my_trade, his_trade);
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clearAcceptTradeMode(myItems, hisItems);
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delete my_spell;
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my_trade->SetSpell(0);
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return;
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}
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}
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// not accept if spell can't be casted now (cheating)
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if (uint32 his_spell_id = his_trade->GetSpell())
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{
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SpellEntry const* spellEntry = sSpellStore.LookupEntry(his_spell_id);
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Item* castItem = his_trade->GetSpellCastItem();
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if (!spellEntry || !my_trade->GetItem(TRADE_SLOT_NONTRADED) ||
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(his_trade->HasSpellCastItem() && !castItem))
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{
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delete my_spell;
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his_trade->SetSpell(0);
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clearAcceptTradeMode(my_trade, his_trade);
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clearAcceptTradeMode(myItems, hisItems);
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return;
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}
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his_spell = new Spell(trader, spellEntry, true);
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his_spell->m_CastItem = castItem;
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his_targets.setTradeItemTarget(trader);
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his_spell->m_targets = his_targets;
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SpellCastResult res = his_spell->CheckCast(true);
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if (res != SPELL_CAST_OK)
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{
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his_spell->SendCastResult(res);
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clearAcceptTradeMode(my_trade, his_trade);
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clearAcceptTradeMode(myItems, hisItems);
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delete my_spell;
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delete his_spell;
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his_trade->SetSpell(0);
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return;
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}
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}
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// inform partner client
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info.Status = TRADE_STATUS_TRADE_ACCEPT;
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trader->GetSession()->SendTradeStatus(info);
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// test if item will fit in each inventory
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TradeStatusInfo myCanCompleteInfo, hisCanCompleteInfo;
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hisCanCompleteInfo.Result = trader->CanStoreItems(myItems, TRADE_SLOT_TRADED_COUNT);
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myCanCompleteInfo.Result = _player->CanStoreItems(hisItems, TRADE_SLOT_TRADED_COUNT);
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clearAcceptTradeMode(myItems, hisItems);
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// in case of missing space report error
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if (myCanCompleteInfo.Result != EQUIP_ERR_OK)
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{
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clearAcceptTradeMode(my_trade, his_trade);
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myCanCompleteInfo.Status = TRADE_STATUS_CLOSE_WINDOW;
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trader->GetSession()->SendTradeStatus(myCanCompleteInfo);
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myCanCompleteInfo.IsTargetResult = true;
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SendTradeStatus(myCanCompleteInfo);
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my_trade->SetAccepted(false);
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his_trade->SetAccepted(false);
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return;
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}
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else if (hisCanCompleteInfo.Result != EQUIP_ERR_OK)
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{
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clearAcceptTradeMode(my_trade, his_trade);
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hisCanCompleteInfo.Status = TRADE_STATUS_CLOSE_WINDOW;
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SendTradeStatus(hisCanCompleteInfo);
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hisCanCompleteInfo.IsTargetResult = true;
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trader->GetSession()->SendTradeStatus(hisCanCompleteInfo);
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my_trade->SetAccepted(false);
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his_trade->SetAccepted(false);
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return;
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}
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// execute trade: 1. remove
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for (int i = 0; i < TRADE_SLOT_TRADED_COUNT; ++i)
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{
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if (Item* item = myItems[i])
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{
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item->SetGuidValue(ITEM_FIELD_GIFTCREATOR, _player->GetObjectGuid());
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_player->MoveItemFromInventory(item->GetBagSlot(), item->GetSlot(), true);
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}
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if (Item* item = hisItems[i])
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{
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item->SetGuidValue(ITEM_FIELD_GIFTCREATOR, trader->GetObjectGuid());
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trader->MoveItemFromInventory(item->GetBagSlot(), item->GetSlot(), true);
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}
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}
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// execute trade: 2. store
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moveItems(myItems, hisItems);
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// logging money
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if (sWorld.getConfig(CONFIG_BOOL_GM_LOG_TRADE))
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{
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if (_player->GetSession()->GetSecurity() > SEC_PLAYER && my_trade->GetMoney() > 0)
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{
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sLog.outCommand(_player->GetSession()->GetAccountId(), "GM %s (Account: %u) give money (Amount: %u) to player: %s (Account: %u)",
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_player->GetName(), _player->GetSession()->GetAccountId(),
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my_trade->GetMoney(),
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trader->GetName(), trader->GetSession()->GetAccountId());
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}
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|
if (trader->GetSession()->GetSecurity() > SEC_PLAYER && his_trade->GetMoney() > 0)
|
|
{
|
|
sLog.outCommand(trader->GetSession()->GetAccountId(), "GM %s (Account: %u) give money (Amount: %u) to player: %s (Account: %u)",
|
|
trader->GetName(), trader->GetSession()->GetAccountId(),
|
|
his_trade->GetMoney(),
|
|
_player->GetName(), _player->GetSession()->GetAccountId());
|
|
}
|
|
}
|
|
|
|
// update money
|
|
_player->ModifyMoney(-int32(my_trade->GetMoney()));
|
|
_player->ModifyMoney(his_trade->GetMoney());
|
|
trader->ModifyMoney(-int32(his_trade->GetMoney()));
|
|
trader->ModifyMoney(my_trade->GetMoney());
|
|
|
|
if (my_spell)
|
|
my_spell->prepare(&my_targets);
|
|
|
|
if (his_spell)
|
|
his_spell->prepare(&his_targets);
|
|
|
|
// cleanup
|
|
clearAcceptTradeMode(my_trade, his_trade);
|
|
delete _player->m_trade;
|
|
_player->m_trade = NULL;
|
|
delete trader->m_trade;
|
|
trader->m_trade = NULL;
|
|
|
|
// desynchronized with the other saves here (SaveInventoryAndGoldToDB() not have own transaction guards)
|
|
CharacterDatabase.BeginTransaction();
|
|
_player->SaveInventoryAndGoldToDB();
|
|
trader->SaveInventoryAndGoldToDB();
|
|
CharacterDatabase.CommitTransaction();
|
|
|
|
info.Status = TRADE_STATUS_TRADE_COMPLETE;
|
|
trader->GetSession()->SendTradeStatus(info);
|
|
SendTradeStatus(info);
|
|
}
|
|
else
|
|
{
|
|
info.Status = TRADE_STATUS_TRADE_ACCEPT;
|
|
trader->GetSession()->SendTradeStatus(info);
|
|
}
|
|
}
|
|
|
|
void WorldSession::HandleUnacceptTradeOpcode(WorldPacket& /*recvPacket*/)
|
|
{
|
|
TradeData* my_trade = _player->m_trade;
|
|
if (!my_trade)
|
|
{ return; }
|
|
|
|
my_trade->SetAccepted(false, true);
|
|
}
|
|
|
|
void WorldSession::HandleBeginTradeOpcode(WorldPacket& /*recvPacket*/)
|
|
{
|
|
TradeData* my_trade = _player->m_trade;
|
|
if (!my_trade)
|
|
{ return; }
|
|
|
|
TradeStatusInfo info;
|
|
info.Status = TRADE_STATUS_OPEN_WINDOW;
|
|
my_trade->GetTrader()->GetSession()->SendTradeStatus(info);
|
|
SendTradeStatus(info);
|
|
}
|
|
|
|
void WorldSession::SendCancelTrade()
|
|
{
|
|
if (m_playerRecentlyLogout)
|
|
{ return; }
|
|
|
|
TradeStatusInfo info;
|
|
info.Status = TRADE_STATUS_TRADE_CANCELED;
|
|
SendTradeStatus(info);
|
|
}
|
|
|
|
void WorldSession::HandleCancelTradeOpcode(WorldPacket& /*recvPacket*/)
|
|
{
|
|
// sent also after LOGOUT COMPLETE
|
|
if (_player) // needed because STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT
|
|
{ _player->TradeCancel(true); }
|
|
}
|
|
|
|
void WorldSession::HandleInitiateTradeOpcode(WorldPacket& recvPacket)
|
|
{
|
|
ObjectGuid otherGuid;
|
|
recvPacket >> otherGuid;
|
|
|
|
if (GetPlayer()->m_trade)
|
|
{ return; }
|
|
|
|
TradeStatusInfo info;
|
|
if (!GetPlayer()->IsAlive())
|
|
{
|
|
info.Status = TRADE_STATUS_YOU_DEAD;
|
|
SendTradeStatus(info);
|
|
return;
|
|
}
|
|
|
|
if (GetPlayer()->hasUnitState(UNIT_STAT_STUNNED))
|
|
{
|
|
info.Status = TRADE_STATUS_YOU_STUNNED;
|
|
SendTradeStatus(info);
|
|
return;
|
|
}
|
|
|
|
if (isLogingOut())
|
|
{
|
|
info.Status = TRADE_STATUS_YOU_LOGOUT;
|
|
SendTradeStatus(info);
|
|
return;
|
|
}
|
|
|
|
if (GetPlayer()->IsTaxiFlying())
|
|
{
|
|
info.Status = TRADE_STATUS_TARGET_TO_FAR;
|
|
SendTradeStatus(info);
|
|
return;
|
|
}
|
|
|
|
Player* pOther = ObjectAccessor::FindPlayer(otherGuid);
|
|
|
|
if (!pOther)
|
|
{
|
|
info.Status = TRADE_STATUS_NO_TARGET;
|
|
SendTradeStatus(info);
|
|
return;
|
|
}
|
|
|
|
if (pOther == GetPlayer() || pOther->m_trade)
|
|
{
|
|
info.Status = TRADE_STATUS_BUSY;
|
|
SendTradeStatus(info);
|
|
return;
|
|
}
|
|
|
|
if (!pOther->IsAlive())
|
|
{
|
|
info.Status = TRADE_STATUS_TARGET_DEAD;
|
|
SendTradeStatus(info);
|
|
return;
|
|
}
|
|
|
|
if (pOther->IsTaxiFlying())
|
|
{
|
|
info.Status = TRADE_STATUS_TARGET_TO_FAR;
|
|
SendTradeStatus(info);
|
|
return;
|
|
}
|
|
|
|
if (pOther->hasUnitState(UNIT_STAT_STUNNED))
|
|
{
|
|
info.Status = TRADE_STATUS_TARGET_STUNNED;
|
|
SendTradeStatus(info);
|
|
return;
|
|
}
|
|
|
|
if (pOther->GetSession()->isLogingOut())
|
|
{
|
|
info.Status = TRADE_STATUS_TARGET_LOGOUT;
|
|
SendTradeStatus(info);
|
|
return;
|
|
}
|
|
|
|
if (pOther->GetSocial()->HasIgnore(GetPlayer()->GetObjectGuid()))
|
|
{
|
|
info.Status = TRADE_STATUS_IGNORE_YOU;
|
|
SendTradeStatus(info);
|
|
return;
|
|
}
|
|
|
|
if (!sWorld.getConfig(CONFIG_BOOL_ALLOW_TWO_SIDE_INTERACTION_TRADE) && pOther->GetTeam() != _player->GetTeam())
|
|
{
|
|
info.Status = TRADE_STATUS_WRONG_FACTION;
|
|
SendTradeStatus(info);
|
|
return;
|
|
}
|
|
|
|
if (!pOther->IsWithinDistInMap(_player, TRADE_DISTANCE, false))
|
|
{
|
|
info.Status = TRADE_STATUS_TARGET_TO_FAR;
|
|
SendTradeStatus(info);
|
|
return;
|
|
}
|
|
|
|
// OK start trade
|
|
_player->m_trade = new TradeData(_player, pOther);
|
|
pOther->m_trade = new TradeData(pOther, _player);
|
|
|
|
info.Status = TRADE_STATUS_BEGIN_TRADE;
|
|
info.TraderGuid = _player->GetObjectGuid();
|
|
pOther->GetSession()->SendTradeStatus(info);
|
|
}
|
|
|
|
void WorldSession::HandleSetTradeGoldOpcode(WorldPacket& recvPacket)
|
|
{
|
|
uint32 gold;
|
|
|
|
recvPacket >> gold;
|
|
|
|
TradeData* my_trade = _player->GetTradeData();
|
|
if (!my_trade)
|
|
{ return; }
|
|
|
|
// gold can be incorrect, but this is checked at trade finished.
|
|
my_trade->SetMoney(gold);
|
|
}
|
|
|
|
void WorldSession::HandleSetTradeItemOpcode(WorldPacket& recvPacket)
|
|
{
|
|
// send update
|
|
uint8 tradeSlot;
|
|
uint8 bag;
|
|
uint8 slot;
|
|
|
|
recvPacket >> tradeSlot;
|
|
recvPacket >> bag;
|
|
recvPacket >> slot;
|
|
|
|
TradeData* my_trade = _player->m_trade;
|
|
if (!my_trade)
|
|
{ return; }
|
|
|
|
TradeStatusInfo info;
|
|
// invalid slot number
|
|
if (tradeSlot >= TRADE_SLOT_COUNT)
|
|
{
|
|
info.Status = TRADE_STATUS_TRADE_CANCELED;
|
|
SendTradeStatus(info);
|
|
return;
|
|
}
|
|
|
|
// check cheating, can't fail with correct client operations
|
|
Item* item = _player->GetItemByPos(bag, slot);
|
|
if (!item || (tradeSlot != TRADE_SLOT_NONTRADED && !item->CanBeTraded()))
|
|
{
|
|
info.Status = TRADE_STATUS_TRADE_CANCELED;
|
|
SendTradeStatus(info);
|
|
return;
|
|
}
|
|
|
|
// prevent place single item into many trade slots using cheating and client bugs
|
|
if (my_trade->HasItem(item->GetObjectGuid()))
|
|
{
|
|
// cheating attempt
|
|
info.Status = TRADE_STATUS_TRADE_CANCELED;
|
|
SendTradeStatus(info);
|
|
return;
|
|
}
|
|
|
|
my_trade->SetItem(TradeSlots(tradeSlot), item);
|
|
}
|
|
|
|
void WorldSession::HandleClearTradeItemOpcode(WorldPacket& recvPacket)
|
|
{
|
|
uint8 tradeSlot;
|
|
recvPacket >> tradeSlot;
|
|
|
|
TradeData* my_trade = _player->m_trade;
|
|
if (!my_trade)
|
|
{ return; }
|
|
|
|
// invalid slot number
|
|
if (tradeSlot >= TRADE_SLOT_COUNT)
|
|
{ return; }
|
|
|
|
my_trade->SetItem(TradeSlots(tradeSlot), NULL);
|
|
}
|