tradehandler.cpp

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/*
 * The ManaPlus Client
 * Copyright (C) 2004-2009 The Mana World Development Team
 * Copyright (C) 2009-2010 The Mana Developers
 * Copyright (C) 2011-2019 The ManaPlus Developers
 * Copyright (C) 2019-2021 Andrei Karas
 *
 * This file is part of The ManaPlus Client.
 *
 * 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
 * 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/>.
 */
 
#include "net/eathena/tradehandler.h"
 
#include "being/playerinfo.h"
 
#include "const/net/inventory.h"
 
#include "net/eathena/messageout.h"
#include "net/eathena/protocolout.h"
#include "net/eathena/traderecv.h"
 
#include "resources/item/item.h"
 
#include "debug.h"
 
namespace EAthena
{
 
TradeHandler::TradeHandler() :
 Ea::TradeHandler()
{
 tradeHandler = this;
 TradeRecv::mItemIndex = -1;
 TradeRecv::mQuantity = 0;
}
 
TradeHandler::~TradeHandler()
{
 tradeHandler = nullptr;
}
 
void TradeHandler::request(const Being *const being) const
{
 if (being == nullptr)
 return;
 
 createOutPacket(CMSG_TRADE_REQUEST);
 outMsg.writeBeingId(being->getId(), "player id");
}
 
void TradeHandler::respond(const bool accept) const
{
 if (!accept)
 PlayerInfo::setTrading(Trading_false);
 
 createOutPacket(CMSG_TRADE_RESPONSE);
 outMsg.writeInt8(CAST_S8(accept ? 3 : 4), "accept");
}
 
void TradeHandler::addItem(const Item *const item, const int amount) const
{
 if (item == nullptr)
 return;
 
 TradeRecv::mItemIndex = item->getInvIndex();
 TradeRecv::mQuantity = amount;
 createOutPacket(CMSG_TRADE_ITEM_ADD_REQUEST);
 outMsg.writeInt16(CAST_S16(
 TradeRecv::mItemIndex + INVENTORY_OFFSET),
 "index");
 outMsg.writeInt32(amount, "amount");
}
 
void TradeHandler::setMoney(const int amount) const
{
 createOutPacket(CMSG_TRADE_ITEM_ADD_REQUEST);
 outMsg.writeInt16(0, "index");
 outMsg.writeInt32(amount, "amount");
}
 
void TradeHandler::confirm() const
{
 createOutPacket(CMSG_TRADE_ADD_COMPLETE);
}
 
void TradeHandler::finish() const
{
 createOutPacket(CMSG_TRADE_OK);
}
 
void TradeHandler::cancel() const
{
 createOutPacket(CMSG_TRADE_CANCEL_REQUEST);
}
 
} // namespace EAthena