tmwserv/src/game-server/trade.hpp

/*
 *  The Mana World Server
 *  Copyright 2007 The Mana World Development Team
 *
 *  This file is part of The Mana World.
 *
 *  The Mana World 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
 *  any later version.
 *
 *  The Mana World 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 The Mana World; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef _TMWSERV_GAMESERVER_TRADE_HPP_
#define _TMWSERV_GAMESERVER_TRADE_HPP_

#include <vector>

class Character;
class Inventory;

class Trade
{
    public:

        Trade(Character *, Character *);

        void cancel(void);

        bool request(Character *, int);

        void confirm(Character *);

        /*
         * Agree to complete the trade
         */
        void agree(Character *c);
        
        void addItem(Character *, int slot, int amount);

        void setMoney(Character *, int amount);

    private:

        ~Trade();

        struct TradedItem
        {
            unsigned short id;
            unsigned char slot, amount;
        };

        typedef std::vector< TradedItem > TradedItems;

        /*
         * See trade.cpp for doc on TradeStates
         */
        enum TradeState
        {
            TRADE_INIT = 0, 
            TRADE_RUN,      
            TRADE_CONFIRM_WAIT,
            TRADE_CONFIRMED,
            TRADE_AGREE_WAIT
        };

        static bool perform(TradedItems items, Inventory &inv1, Inventory &inv2);

        Character *mChar1, *mChar2;   
        TradedItems mItems1, mItems2; 
        int mMoney1, mMoney2;         
        TradeState mState;            
};

#endif

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