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/*
* The Mana Server
* Copyright (C) 2007-2010 The Mana World Development Team
*
* This file is part of The Mana Server.
*
* The Mana Server 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 Server 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 Server. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GAMESERVER_BUYSELL_H
#define GAMESERVER_BUYSELL_H
#include <vector>
#include "game-server/attributemanager.h"
class Entity;
class BuySell
{
public:
/**
* Sets up a trade between a character and an NPC.
*/
BuySell(Entity *, bool sell);
/**
* Cancels the trade.
*/
void cancel();
/**
* Registers an item and indicates how many the NPC is ready to trade
* and how much it will cost.
* @return true if at least one item was registered.
*/
bool registerItem(unsigned id, int amount, int cost);
/**
* Registers every player's item at an average cost given by the ItemDB.
* @return the number of different soldable items.
*/
int registerPlayerItems();
/**
* Sends the item list to player.
* @return true if at least one item was registered before start.
*/
bool start(Entity *actor);
/**
* Performs the trade.
*/
void perform(unsigned id, int amount);
private:
~BuySell();
struct TradedItem
{
unsigned itemId;
int amount;
int cost;
};
using TradedItems = std::vector<TradedItem>;
/** The attribute ID of the currency to use. Hardcoded for now (FIXME) */
AttributeInfo *mCurrency;
Entity *mChar; /**< Character involved. */
TradedItems mItems; /**< Traded items. */
bool mSell; /**< Are items sold? */
};
#endif
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