summaryrefslogtreecommitdiff
path: root/src/net/tradehandler.cpp
blob: fd772d0198c9d4fadb115a25409d186d201fa6c5 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
/*
 *  Aethyra
 *  Copyright (C) 2004  The Mana World Development Team
 *
 *  This file is part of Aethyra based on original code
 *  from 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 "messagein.h"
#include "protocol.h"
#include "tradehandler.h"

#include "../inventory.h"
#include "../item.h"
#include "../localplayer.h"
#include "../player_relations.h"

#include "../gui/chat.h"
#include "../gui/confirm_dialog.h"
#include "../gui/trade.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()
{
    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.
                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
                    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
                    if (player_relations.hasPermission(tradePartnerName,
                                                       PlayerRelation::SPEECH_LOG))
                        chatWindow->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
                    chatWindow->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->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)
            {
                const int index = msg->readInt16();
                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
                        chatWindow->chatLog(_("Failed adding item. Trade partner is over weighted."),
                                BY_SERVER);
                        break;
                    case 2:
                         // Add item failed - player has no free slot
                         chatWindow->chatLog(_("Failed adding item. Trade partner has no free slot."),
                                             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;
    }
}