/* * The Mana World * Copyright (C) 2004 The Mana World Development Team * * This file is part of The Mana World. * * 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, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "net/ea/tradehandler.h" #include "net/ea/protocol.h" #include "net/messagein.h" #include "net/messageout.h" #include "inventory.h" #include "item.h" #include "localplayer.h" #include "player_relations.h" #include "gui/confirm_dialog.h" #include "gui/trade.h" #include "gui/widgets/chattab.h" #include "utils/gettext.h" std::string tradePartnerName; /** * Listener for request trade dialogs */ namespace { struct RequestTradeListener : public gcn::ActionListener { void action(const gcn::ActionEvent &event) { player_node->tradeReply(event.getId() == "yes"); } } listener; } TradeHandler *tradeHandler; TradeHandler::TradeHandler() { static const Uint16 _messages[] = { SMSG_TRADE_REQUEST, SMSG_TRADE_RESPONSE, SMSG_TRADE_ITEM_ADD, SMSG_TRADE_ITEM_ADD_RESPONSE, SMSG_TRADE_OK, SMSG_TRADE_CANCEL, SMSG_TRADE_COMPLETE, 0 }; handledMessages = _messages; tradeHandler = this; } void TradeHandler::handleMessage(MessageIn &msg) { switch (msg.getId()) { case SMSG_TRADE_REQUEST: // If a trade window or request window is already open, send a // trade cancel to any other trade request. // // Note that it would be nice if the server would prevent this // situation, and that the requesting player would get a // special message about the player being occupied. tradePartnerName = msg.readString(24); if (player_relations.hasPermission(tradePartnerName, PlayerRelation::TRADE)) { if (!player_node->tradeRequestOk()) { player_node->tradeReply(false); break; } player_node->setTrading(true); ConfirmDialog *dlg; dlg = new ConfirmDialog(_("Request for trade"), tradePartnerName + _(" wants to trade with you, do you accept?")); dlg->addActionListener(&listener); } else { player_node->tradeReply(false); break; } break; case SMSG_TRADE_RESPONSE: switch (msg.readInt8()) { case 0: // Too far away localChatTab->chatLog(_("Trading isn't possible. Trade partner is too far away."), BY_SERVER); break; case 1: // Character doesn't exist localChatTab->chatLog(_("Trading isn't possible. Character doesn't exist."), BY_SERVER); break; case 2: // Invite request check failed... localChatTab->chatLog(_("Trade cancelled due to an unknown reason."), BY_SERVER); break; case 3: // Trade accepted tradeWindow->reset(); tradeWindow->setCaption( _("Trade: You and ") + tradePartnerName); tradeWindow->setVisible(true); break; case 4: // Trade cancelled if (player_relations.hasPermission(tradePartnerName, PlayerRelation::SPEECH_LOG)) localChatTab->chatLog(_("Trade with ") + tradePartnerName + _(" cancelled"), BY_SERVER); // otherwise ignore silently tradeWindow->setVisible(false); player_node->setTrading(false); break; default: // Shouldn't happen as well, but to be sure localChatTab->chatLog(_("Unhandled trade cancel packet"), BY_SERVER); break; } break; case SMSG_TRADE_ITEM_ADD: { int amount = msg.readInt32(); int type = msg.readInt16(); msg.readInt8(); // identified flag msg.readInt8(); // attribute msg.readInt8(); // refine msg.skip(8); // card (4 shorts) // TODO: handle also identified, etc if (type == 0) { tradeWindow->setMoney(amount); } else { tradeWindow->addItem(type, false, amount, false); } } break; case SMSG_TRADE_ITEM_ADD_RESPONSE: // Trade: New Item add response (was 0x00ea, now 01b1) { const int index = msg.readInt16() - INVENTORY_OFFSET; Item *item = player_node->getInventory()->getItem(index); if (!item) { tradeWindow->receivedOk(true); return; } int quantity = msg.readInt16(); switch (msg.readInt8()) { case 0: // Successfully added item if (item->isEquipment() && item->isEquipped()) { player_node->unequipItem(item); } tradeWindow->addItem(item->getId(), true, quantity, item->isEquipment()); item->increaseQuantity(-quantity); break; case 1: // Add item failed - player overweighted localChatTab->chatLog(_("Failed adding item. Trade partner is over weighted."), BY_SERVER); break; case 2: // Add item failed - player has no free slot localChatTab->chatLog(_("Failed adding item. Trade partner has no free slot."), BY_SERVER); break; default: localChatTab->chatLog(_("Failed adding item for unknown reason."), BY_SERVER); break; } } break; case SMSG_TRADE_OK: // 0 means ok from myself, 1 means ok from other; tradeWindow->receivedOk(msg.readInt8() == 0); break; case SMSG_TRADE_CANCEL: localChatTab->chatLog(_("Trade canceled."), BY_SERVER); tradeWindow->setVisible(false); tradeWindow->reset(); player_node->setTrading(false); break; case SMSG_TRADE_COMPLETE: localChatTab->chatLog(_("Trade completed."), BY_SERVER); tradeWindow->setVisible(false); tradeWindow->reset(); player_node->setTrading(false); break; } } void TradeHandler::request(Being *being) { MessageOut outMsg(CMSG_TRADE_REQUEST); outMsg.writeInt32(being->getId()); } void TradeHandler::respond(bool accept) { MessageOut outMsg(CMSG_TRADE_RESPONSE); outMsg.writeInt8(accept ? 3 : 4); } void TradeHandler::addItem(Item *item, int amount) { MessageOut outMsg(CMSG_TRADE_ITEM_ADD_REQUEST); outMsg.writeInt16(item->getInvIndex() + INVENTORY_OFFSET); outMsg.writeInt32(amount); } void TradeHandler::removeItem(int slotNum, int amount) { // TODO } void TradeHandler::setMoney(int amount) { MessageOut outMsg(CMSG_TRADE_ITEM_ADD_REQUEST); outMsg.writeInt16(0); outMsg.writeInt32(amount); } void TradeHandler::confirm() { MessageOut outMsg(CMSG_TRADE_ADD_COMPLETE); } void TradeHandler::finish() { MessageOut outMsg(CMSG_TRADE_OK); } void TradeHandler::cancel() { MessageOut outMsg(CMSG_TRADE_CANCEL_REQUEST); }