Extract shared logic from tradehandler netcode to ea namespace.

2 files changed, 347 insertions, 0 deletions

diff --git a/src/net/ea/tradehandler.cpp b/src/net/ea/tradehandler.cpp
new file mode 100644
index 000000000..36a5f8811
--- /dev/null
+++ b/src/net/ea/tradehandler.cpp
@@ -0,0 +1,284 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2004-2009  The Mana World Development Team
+ *  Copyright (C) 2009-2010  The Mana Developers
+ *  Copyright (C) 2011  The ManaPlus Developers
+ *
+ *  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/ea/tradehandler.h"
+
+#include "event.h"
+#include "inventory.h"
+#include "item.h"
+#include "log.h"
+#include "playerinfo.h"
+#include "playerrelations.h"
+
+#include "gui/confirmdialog.h"
+#include "gui/tradewindow.h"
+
+#include "net/inventoryhandler.h"
+#include "net/messagein.h"
+
+#include "net/ea/eaprotocol.h"
+
+#include "utils/gettext.h"
+
+#include "debug.h"
+
+extern std::string tradePartnerName;
+ConfirmDialog *confirmDlg;
+
+/**
+ * Listener for request trade dialogs
+ */
+namespace
+{
+    struct RequestTradeListener : public gcn::ActionListener
+    {
+        void action(const gcn::ActionEvent &event)
+        {
+            confirmDlg = 0;
+            if (event.getId() == "ignore")
+                player_relations.ignoreTrade(tradePartnerName);
+            Net::getTradeHandler()->respond(event.getId() == "yes");
+        }
+    } listener;
+}
+
+namespace Ea
+{
+
+TradeHandler::TradeHandler()
+{
+    confirmDlg = 0;
+}
+
+void TradeHandler::removeItem(int slotNum A_UNUSED, int amount A_UNUSED)
+{
+    // TODO
+}
+
+void TradeHandler::processTradeRequest(Net::MessageIn &msg)
+{
+    // 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.
+    std::string tradePartnerNameTemp = msg.readString(24);
+
+    if (player_relations.hasPermission(tradePartnerName,
+        PlayerRelation::TRADE))
+    {
+        if (PlayerInfo::isTrading() || confirmDlg)
+        {
+            Net::getTradeHandler()->respond(false);
+            return;
+        }
+
+        tradePartnerName = tradePartnerNameTemp;
+        PlayerInfo::setTrading(true);
+        if (tradeWindow)
+        {
+            if (tradePartnerName.empty()
+                || tradeWindow->getAutoTradeNick()
+                != tradePartnerName)
+            {
+                tradeWindow->clear();
+                confirmDlg = new ConfirmDialog(
+                    _("Request for Trade"),
+                    strprintf(_("%s wants to trade with you, do"
+                    " you accept?"), tradePartnerName.c_str()),
+                    true);
+                confirmDlg->addActionListener(&listener);
+            }
+            else
+            {
+                Net::getTradeHandler()->respond(true);
+            }
+        }
+    }
+    else
+    {
+        Net::getTradeHandler()->respond(false);
+        return;
+    }
+}
+
+void TradeHandler::processTradeResponse(Net::MessageIn &msg)
+{
+    switch (msg.readInt8())
+    {
+        case 0: // Too far away
+            SERVER_NOTICE(_("Trading isn't possible. Trade "
+                    "partner is too far away."))
+            break;
+        case 1: // Character doesn't exist
+            SERVER_NOTICE(_("Trading isn't possible. Character "
+                    "doesn't exist."))
+            break;
+        case 2: // Invite request check failed...
+            SERVER_NOTICE(_("Trade cancelled due to an unknown "
+                    "reason."))
+            break;
+        case 3: // Trade accepted
+            if (tradeWindow)
+            {
+                tradeWindow->reset();
+                tradeWindow->setCaption(strprintf(
+                    _("Trade: You and %s"),
+                    tradePartnerName.c_str()));
+                tradeWindow->initTrade(tradePartnerName);
+                tradeWindow->setVisible(true);
+            }
+            break;
+        case 4: // Trade cancelled
+            if (player_relations.hasPermission(tradePartnerName,
+                PlayerRelation::SPEECH_LOG))
+            {
+                SERVER_NOTICE(strprintf(_("Trade with %s cancelled."),
+                              tradePartnerName.c_str()))
+            }
+            // otherwise ignore silently
+
+            if (tradeWindow)
+            {
+                tradeWindow->setVisible(false);
+//                        tradeWindow->clear();
+            }
+            PlayerInfo::setTrading(false);
+            break;
+        default: // Shouldn't happen as well, but to be sure
+            SERVER_NOTICE(_("Unhandled trade cancel packet."))
+            if (tradeWindow)
+                tradeWindow->clear();
+            break;
+    }
+}
+
+void TradeHandler::processTradeItemAdd(Net::MessageIn &msg)
+{
+    int amount = msg.readInt32();
+    int type = msg.readInt16();
+    int identify = msg.readInt8();  // identified flag
+    msg.readInt8();  // attribute
+    int refine = msg.readInt8();  // refine
+    msg.skip(8);     // card (4 shorts)
+
+    // TODO: handle also identified, etc
+    if (tradeWindow)
+    {
+        if (type == 0)
+        {
+            tradeWindow->setMoney(amount);
+        }
+        else
+        {
+            tradeWindow->addItem2(type, false, amount, refine,
+                static_cast<unsigned char>(identify), false);
+        }
+    }
+}
+
+void TradeHandler::processTradeItemAddResponse(Net::MessageIn &msg)
+{
+    // Trade: New Item add response (was 0x00ea, now 01b1)
+    const int index = msg.readInt16() - INVENTORY_OFFSET;
+    Item *item = PlayerInfo::getInventory()->getItem(index);
+    if (!item)
+    {
+        if (tradeWindow)
+            tradeWindow->receivedOk(true);
+        return;
+    }
+    int quantity = msg.readInt16();
+
+    int res = msg.readInt8();
+    switch (res)
+    {
+        case 0:
+            // Successfully added item
+            if (item->isEquipment() && item->isEquipped())
+                Net::getInventoryHandler()->unequipItem(item);
+
+            if (tradeWindow)
+            {
+                tradeWindow->addItem2(item->getId(), true,
+                    quantity, item->getRefine(), item->getColor(),
+                    item->isEquipment());
+            }
+            item->increaseQuantity(-quantity);
+            break;
+        case 1:
+            // Add item failed - player overweighted
+            SERVER_NOTICE(_("Failed adding item. Trade "
+                    "partner is over weighted."))
+            break;
+        case 2:
+              // Add item failed - player has no free slot
+              SERVER_NOTICE(_("Failed adding item. Trade "
+                      "partner has no free slot."))
+              break;
+        case 3:
+              // Add item failed - non tradable item
+              SERVER_NOTICE(_("Failed adding item. You "
+                      "can't trade this item."))
+              break;
+        default:
+            SERVER_NOTICE(_("Failed adding item for "
+                    "unknown reason."))
+            logger->log("QQQ SMSG_TRADE_ITEM_ADD_RESPONSE: "
+                        + toString(res));
+            break;
+    }
+}
+
+void TradeHandler::processTradeOk(Net::MessageIn &msg)
+{
+    // 0 means ok from myself, 1 means ok from other;
+    if (tradeWindow)
+        tradeWindow->receivedOk(msg.readInt8() == 0);
+    else
+        msg.readInt8();
+}
+
+void TradeHandler::processTradeCancel(Net::MessageIn &msg A_UNUSED)
+{
+    SERVER_NOTICE(_("Trade canceled."))
+    if (tradeWindow)
+    {
+        tradeWindow->setVisible(false);
+        tradeWindow->reset();
+    }
+    PlayerInfo::setTrading(false);
+}
+
+void TradeHandler::processTradeComplete(Net::MessageIn &msg A_UNUSED)
+{
+    SERVER_NOTICE(_("Trade completed."))
+    if (tradeWindow)
+    {
+        tradeWindow->setVisible(false);
+        tradeWindow->reset();
+    }
+    PlayerInfo::setTrading(false);
+}
+
+} // namespace Ea
diff --git a/src/net/ea/tradehandler.h b/src/net/ea/tradehandler.h
new file mode 100644
index 000000000..2a27f8c31
--- /dev/null
+++ b/src/net/ea/tradehandler.h
@@ -0,0 +1,63 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2004-2009  The Mana World Development Team
+ *  Copyright (C) 2009-2010  The Mana Developers
+ *  Copyright (C) 2011  The ManaPlus Developers
+ *
+ *  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/>.
+ */
+
+#ifndef NET_EA_TRADEHANDLER_H
+#define NET_EA_TRADEHANDLER_H
+
+#include "net/messagein.h"
+#include "net/net.h"
+#include "net/tradehandler.h"
+
+#ifdef __GNUC__
+#define A_UNUSED  __attribute__ ((unused))
+#else
+#define A_UNUSED
+#endif
+
+namespace Ea
+{
+
+class TradeHandler : public Net::TradeHandler
+{
+    public:
+        TradeHandler();
+
+        void removeItem(int slotNum, int amount);
+
+        void processTradeRequest(Net::MessageIn &msg);
+
+        void processTradeResponse(Net::MessageIn &msg);
+
+        void processTradeItemAdd(Net::MessageIn &msg);
+
+        void processTradeItemAddResponse(Net::MessageIn &msg);
+
+        void processTradeOk(Net::MessageIn &msg);
+
+        void processTradeCancel(Net::MessageIn &msg);
+
+        void processTradeComplete(Net::MessageIn &msg);
+};
+
+} // namespace Ea
+
+#endif // NET_EA_TRADEHANDLER_H