ModernUO/Projects/Server/Network/Packets/IncomingMobilePackets.cs

/*************************************************************************
 * ModernUO                                                              *
 * Copyright 2019-2020 - ModernUO Development Team                       *
 * Email: hi@modernuo.com                                                *
 * File: IncomingMobilePackets.cs                                        *
 *                                                                       *
 * 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 3 of the License, or     *
 * (at your option) any later version.                                   *
 *                                                                       *
 * You should have received a copy of the GNU General Public License     *
 * along with this program.  If not, see <http://www.gnu.org/licenses/>. *
 *************************************************************************/

using Server.Items;

namespace Server.Network
{
    public static class IncomingMobilePackets
    {
        public static void Configure()
        {
            IncomingPackets.Register(0x75, 35, true, RenameRequest);
            IncomingPackets.Register(0x98, 0, true, MobileNameRequest);
            IncomingPackets.Register(0xB8, 0, true, ProfileReq);
            IncomingPackets.Register(0x6F, 0, true, SecureTrade);
        }

        public static void RenameRequest(NetState state, CircularBufferReader reader, ref int packetLength)
        {
            var from = state.Mobile;
            var targ = World.FindMobile((Serial)reader.ReadUInt32());

            if (targ != null)
            {
                EventSink.InvokeRenameRequest(from, targ, reader.ReadAsciiSafe());
            }
        }

        public static void MobileNameRequest(NetState state, CircularBufferReader reader, ref int packetLength)
        {
            var m = World.FindMobile((Serial)reader.ReadUInt32());

            if (m != null && Utility.InUpdateRange(state.Mobile.Location, m.Location) && state.Mobile.CanSee(m))
            {
                state.SendMobileName(m);
            }
        }

        public static void ProfileReq(NetState state, CircularBufferReader reader, ref int packetLength)
        {
            int type = reader.ReadByte();
            var serial = (Serial)reader.ReadUInt32();

            var beholder = state.Mobile;
            var beheld = World.FindMobile(serial);

            if (beheld == null)
            {
                return;
            }

            switch (type)
            {
                case 0x00: // display request
                    {
                        EventSink.InvokeProfileRequest(beholder, beheld);

                        break;
                    }
                case 0x01: // edit request
                    {
                        reader.ReadInt16(); // Skip
                        int length = reader.ReadUInt16();

                        if (length > 511)
                        {
                            return;
                        }

                        var text = reader.ReadBigUni(length);

                        EventSink.InvokeChangeProfileRequest(beholder, beheld, text);

                        break;
                    }
            }
        }

        public static void SecureTrade(NetState state, CircularBufferReader reader, ref int packetLength)
        {
            switch (reader.ReadByte())
            {
                case 1: // Cancel
                    {
                        var serial = (Serial)reader.ReadUInt32();

                        if (World.FindItem(serial) is SecureTradeContainer cont && cont.Trade != null &&
                            (cont.Trade.From.Mobile == state.Mobile || cont.Trade.To.Mobile == state.Mobile))
                        {
                            cont.Trade.Cancel();
                        }

                        break;
                    }
                case 2: // Check
                    {
                        var serial = (Serial)reader.ReadUInt32();

                        if (World.FindItem(serial) is SecureTradeContainer cont)
                        {
                            var trade = cont.Trade;

                            var value = reader.ReadInt32() != 0;

                            if (trade != null)
                            {
                                if (trade.From.Mobile == state.Mobile)
                                {
                                    trade.From.Accepted = value;
                                    trade.Update();
                                }
                                else if (trade.To.Mobile == state.Mobile)
                                {
                                    trade.To.Accepted = value;
                                    trade.Update();
                                }
                            }
                        }

                        break;
                    }
                case 3: // Update Gold
                    {
                        var serial = (Serial)reader.ReadUInt32();

                        if (World.FindItem(serial) is SecureTradeContainer cont)
                        {
                            var gold = reader.ReadInt32();
                            var plat = reader.ReadInt32();

                            var trade = cont.Trade;

                            if (trade != null)
                            {
                                if (trade.From.Mobile == state.Mobile)
                                {
                                    trade.From.Gold = gold;
                                    trade.From.Plat = plat;
                                    trade.UpdateFromCurrency();
                                }
                                else if (trade.To.Mobile == state.Mobile)
                                {
                                    trade.To.Gold = gold;
                                    trade.To.Plat = plat;
                                    trade.UpdateToCurrency();
                                }
                            }
                        }
                    }
                    break;
            }
        }
    }
}