Merged NETWORK branch (includes BEING_OVERHAUL).

1 files changed, 179 insertions, 0 deletions

diff --git a/src/net/tradehandler.cpp b/src/net/tradehandler.cpp
new file mode 100644
index 00000000..6ed3bab2
--- /dev/null
+++ b/src/net/tradehandler.cpp
@@ -0,0 +1,179 @@
+/*
+ *  The Mana World
+ *  Copyright 2004 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
+ *
+ *  $Id$
+ */
+
+#include "tradehandler.h"
+
+#include "messagein.h"
+#include "protocol.h"
+
+#include "../item.h"
+#include "../localplayer.h"
+
+#include "../gui/chat.h"
+#include "../gui/requesttrade.h"
+#include "../gui/trade.h"
+
+std::string tradePartnerName;
+
+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;
+}
+
+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.
+            if (!player_node->tradeRequestOk())
+            {
+                player_node->tradeReply(false);
+                break;
+            }
+
+            player_node->setTrading(true);
+            tradePartnerName = msg->readString(24);
+            new RequestTradeDialog(tradePartnerName);
+            break;
+
+        case SMSG_TRADE_RESPONSE:
+            switch (msg->readInt8())
+            {
+                case 0: // Too far away
+                    chatWindow->chatLog("Trading isn't possible. "
+                            "Trade partner is too far away.",
+                            BY_SERVER);
+                    break;
+                case 1: // Character doesn't exist
+                    chatWindow->chatLog("Trading isn't possible. "
+                            "Character doesn't exist.",
+                            BY_SERVER);
+                    break;
+                case 2: // Invite request check failed...
+                    chatWindow->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
+                    chatWindow->chatLog("Trade cancelled.", BY_SERVER);
+                    tradeWindow->setVisible(false);
+                    player_node->setTrading(false);
+                    break;
+                default: // Shouldn't happen as well, but to be sure
+                    chatWindow->chatLog("Unhandled trade cancel packet",
+                            BY_SERVER);
+                    break;
+            }
+            break;
+
+        case SMSG_TRADE_ITEM_ADD:
+            {
+                Sint32 amount = msg->readInt32();
+                Sint16 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->addMoney(amount);
+                } else {
+                    tradeWindow->addItem(type, false, amount, false);
+                }
+            }
+            break;
+
+        case SMSG_TRADE_ITEM_ADD_RESPONSE:
+            // Trade: New Item add response (was 0x00ea, now 01b1)
+            {
+                Item *item = player_node->getInvItem(msg->readInt16());
+                Sint16 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
+                        chatWindow->chatLog("Failed adding item. Trade "
+                                "partner is over weighted.",
+                                BY_SERVER);
+                        break;
+                    default:
+                        chatWindow->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:
+            chatWindow->chatLog("Trade canceled.", BY_SERVER);
+            tradeWindow->setVisible(false);
+            tradeWindow->reset();
+            player_node->setTrading(false);
+            break;
+
+        case SMSG_TRADE_COMPLETE:
+            chatWindow->chatLog("Trade completed.", BY_SERVER);
+            tradeWindow->setVisible(false);
+            tradeWindow->reset();
+            player_node->setTrading(false);
+            break;
+    }
+}