TradeData.h

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/*
 * Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.
 *
 * 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 General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef TradeData_h__
#define TradeData_h__

#include "ObjectGuid.h"

enum TradeSlots
{
 TRADE_SLOT_COUNT = 7,
 TRADE_SLOT_TRADED_COUNT = 6,
 TRADE_SLOT_NONTRADED = 6,
 TRADE_SLOT_INVALID = -1
};

class Item;
class Player;

class TC_GAME_API TradeData
{
public:
 TradeData(Player* player, Player* trader) :
 _player(player), _trader(trader), _accepted(false), _acceptProccess(false),
 _money(0), _spell(0), _spellCastItem(), _clientStateIndex(1), _serverStateIndex(1) { }

 Player* GetTrader() const { return _trader; }
 TradeData* GetTraderData() const;

 Item* GetItem(TradeSlots slot) const;
 bool HasItem(ObjectGuid itemGuid) const;
 TradeSlots GetTradeSlotForItem(ObjectGuid itemGuid) const;
 void SetItem(TradeSlots slot, Item* item, bool update = false);

 uint32 GetSpell() const { return _spell; }
 void SetSpell(uint32 spell_id, Item* castItem = nullptr);

 Item* GetSpellCastItem() const;
 bool HasSpellCastItem() const { return !_spellCastItem.IsEmpty(); }

 uint64 GetMoney() const { return _money; }
 void SetMoney(uint64 money);

 bool IsAccepted() const { return _accepted; }
 void SetAccepted(bool state, bool forTrader = false);

 bool IsInAcceptProcess() const { return _acceptProccess; }
 void SetInAcceptProcess(bool state) { _acceptProccess = state; }

 uint32 GetClientStateIndex() const { return _clientStateIndex; }
 void UpdateClientStateIndex() { ++_clientStateIndex; }

 uint32 GetServerStateIndex() const { return _serverStateIndex; }
 void UpdateServerStateIndex() { _serverStateIndex = rand32(); }

private:
 void Update(bool for_trader = true) const;

 Player* _player; // Player who own of this TradeData
 Player* _trader; // Player who trade with _player

 bool _accepted; // _player press accept for trade list
 bool _acceptProccess; // one from player/trader press accept and this processed

 uint64 _money; // _player place money to trade

 uint32 _spell; // _player apply spell to non-traded slot item
 ObjectGuid _spellCastItem; // applied spell cast by item use

 ObjectGuid _items[TRADE_SLOT_COUNT]; // traded items from _player side including non-traded slot

 uint32 _clientStateIndex;
 uint32 _serverStateIndex;
};

#endif // TradeData_h__