fix: Moves the rest of the Incoming packets (#1338)
This commit is contained in:
Marcelo Paez Sequeira
GitHub
parent
a8d8db8f59
commit
b46544d752
10 changed files with 71 additions and 25 deletions
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@ -1,632 +0,0 @@
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/*************************************************************************
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* ModernUO *
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* Copyright 2019-2022 - ModernUO Development Team *
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* Email: hi@modernuo.com *
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* File: IncomingPlayerPackets.cs *
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* *
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* This program is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation, either version 3 of the License, or *
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* (at your option) any later version. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>. *
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*************************************************************************/
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using System.Diagnostics;
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using Microsoft.Toolkit.HighPerformance;
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using Server.Diagnostics;
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using Server.Exceptions;
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using Server.Gumps;
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namespace Server.Network;
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public static class IncomingPlayerPackets
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{
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public static unsafe void Configure()
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{
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IncomingPackets.Register(0x01, 5, false, &Disconnect);
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IncomingPackets.Register(0x05, 5, true, &AttackReq);
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IncomingPackets.Register(0x12, 0, true, &TextCommand);
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IncomingPackets.Register(0x22, 3, true, &Resynchronize);
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IncomingPackets.Register(0x2C, 2, true, &DeathStatusResponse);
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IncomingPackets.Register(0x34, 10, true, &MobileQuery);
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IncomingPackets.Register(0x3A, 0, true, &ChangeSkillLock);
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IncomingPackets.Register(0x72, 5, true, &SetWarMode);
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IncomingPackets.Register(0x73, 2, false, &PingReq);
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IncomingPackets.Register(0x7D, 13, true, &MenuResponse);
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IncomingPackets.Register(0x95, 9, true, &HuePickerResponse);
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IncomingPackets.Register(0x9A, 0, true, &AsciiPromptResponse);
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IncomingPackets.Register(0x9B, 258, true, &HelpRequest);
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IncomingPackets.Register(0xA4, 149, false, &SystemInfo);
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IncomingPackets.Register(0xA7, 4, true, &RequestScrollWindow);
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IncomingPackets.Register(0xB1, 0, true, &DisplayGumpResponse);
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IncomingPackets.Register(0xC2, 0, true, &UnicodePromptResponse);
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IncomingPackets.Register(0xC8, 2, true, &SetUpdateRange);
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IncomingPackets.Register(0xD0, 0, true, &ConfigurationFile);
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IncomingPackets.Register(0xD1, 2, true, &LogoutReq);
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IncomingPackets.Register(0xD7, 0, true, &EncodedCommand);
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IncomingPackets.Register(0xF4, 0, false, &CrashReport);
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IncomingPackets.RegisterEncoded(0x28, true, &GuildGumpRequest);
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IncomingPackets.RegisterEncoded(0x32, true, &QuestGumpRequest);
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}
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public static void DeathStatusResponse(NetState state, CircularBufferReader reader, int packetLength)
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{
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// Ignored
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}
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public static void RequestScrollWindow(NetState state, CircularBufferReader reader, int packetLength)
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{
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int lastTip = reader.ReadInt16();
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int type = reader.ReadByte();
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}
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public static void AttackReq(NetState state, CircularBufferReader reader, int packetLength)
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{
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var from = state.Mobile;
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if (from == null)
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{
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return;
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}
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var m = World.FindMobile((Serial)reader.ReadUInt32());
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if (m != null)
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{
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from.Attack(m);
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}
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}
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public static void HuePickerResponse(NetState state, CircularBufferReader reader, int packetLength)
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{
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var serial = reader.ReadUInt32();
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_ = reader.ReadInt16(); // Item ID
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var hue = Utility.ClipDyedHue(reader.ReadInt16() & 0x3FFF);
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foreach (var huePicker in state.HuePickers)
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{
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if (huePicker.Serial == serial)
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{
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state.RemoveHuePicker(huePicker);
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huePicker.OnResponse(hue);
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break;
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}
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}
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}
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public static void SystemInfo(NetState state, CircularBufferReader reader, int packetLength)
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{
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int v1 = reader.ReadByte();
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int v2 = reader.ReadUInt16();
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int v3 = reader.ReadByte();
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var s1 = reader.ReadAscii(32);
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var s2 = reader.ReadAscii(32);
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var s3 = reader.ReadAscii(32);
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var s4 = reader.ReadAscii(32);
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int v4 = reader.ReadUInt16();
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int v5 = reader.ReadUInt16();
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var v6 = reader.ReadInt32();
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var v7 = reader.ReadInt32();
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var v8 = reader.ReadInt32();
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}
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public static void TextCommand(NetState state, CircularBufferReader reader, int packetLength)
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{
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var from = state.Mobile;
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if (from == null)
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{
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return;
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}
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int type = reader.ReadByte();
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var command = reader.ReadAscii();
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switch (type)
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{
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case 0xC7: // Animate
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{
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EventSink.InvokeAnimateRequest(from, command);
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break;
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}
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case 0x24: // Use skill
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{
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var tokenizer = command.Tokenize(' ');
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if (!tokenizer.MoveNext() || !int.TryParse(tokenizer.Current, out var skillIndex))
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{
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break;
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}
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Skills.UseSkill(from, skillIndex);
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break;
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}
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case 0x43: // Open spellbook
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{
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if (!int.TryParse(command, out var booktype))
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{
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booktype = 1;
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}
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EventSink.InvokeOpenSpellbookRequest(from, booktype);
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break;
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}
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case 0x27: // Cast spell from book
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{
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var tokenizer = command.Tokenize(' ');
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var spellID = (tokenizer.MoveNext() ? Utility.ToInt32(tokenizer.Current) : 0) - 1;
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var serial = tokenizer.MoveNext() ? (Serial)Utility.ToUInt32(tokenizer.Current) : Serial.MinusOne;
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EventSink.InvokeCastSpellRequest(from, spellID, World.FindItem(serial));
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break;
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}
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case 0x58: // Open door
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{
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EventSink.InvokeOpenDoorMacroUsed(from);
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break;
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}
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case 0x56: // Cast spell from macro
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{
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var spellID = Utility.ToInt32(command) - 1;
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EventSink.InvokeCastSpellRequest(from, spellID, null);
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break;
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}
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case 0xF4: // Invoke virtues from macro
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{
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var virtueID = Utility.ToInt32(command) - 1;
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EventSink.InvokeVirtueMacroRequest(from, virtueID);
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break;
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}
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case 0x2F: // Old scroll double click
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{
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/*
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* This command is still sent for items 0xEF3 - 0xEF9
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*
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* Command is one of three, depending on the item ID of the scroll:
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* - [scroll serial]
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* - [scroll serial] [target serial]
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* - [scroll serial] [x] [y] [z]
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*/
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break;
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}
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default:
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{
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state.LogInfo($"Unknown text-command type 0x{state:X2}: {type} ({command})");
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break;
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}
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}
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}
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public static void AsciiPromptResponse(NetState state, CircularBufferReader reader, int packetLength)
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{
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var from = state.Mobile;
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if (from == null)
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{
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return;
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}
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var serial = reader.ReadUInt32();
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var prompt = reader.ReadInt32();
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var type = reader.ReadInt32();
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var text = reader.ReadAsciiSafe();
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if (text.Length > 128)
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{
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return;
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}
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var p = from.Prompt;
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if (p?.Serial == serial && p.Serial == prompt)
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{
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from.Prompt = null;
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if (type == 0)
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{
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p.OnCancel(from);
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}
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else
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{
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p.OnResponse(from, text);
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}
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}
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}
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public static void UnicodePromptResponse(NetState state, CircularBufferReader reader, int packetLength)
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{
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var from = state.Mobile;
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if (from == null)
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{
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return;
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}
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var serial = reader.ReadUInt32();
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var prompt = reader.ReadInt32();
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var type = reader.ReadInt32();
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var lang = reader.ReadAscii(4);
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var text = reader.ReadLittleUniSafe();
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if (text.Length > 128)
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{
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return;
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}
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var p = from.Prompt;
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if (p?.Serial == serial && p.Serial == prompt)
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{
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from.Prompt = null;
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if (type == 0)
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{
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p.OnCancel(from);
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}
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else
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{
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p.OnResponse(from, text);
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}
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}
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}
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public static void MenuResponse(NetState state, CircularBufferReader reader, int packetLength)
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{
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var serial = reader.ReadUInt32();
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int menuID = reader.ReadInt16(); // unused in our implementation
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int index = reader.ReadInt16();
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int itemID = reader.ReadInt16();
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int hue = reader.ReadInt16();
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index -= 1; // convert from 1-based to 0-based
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foreach (var menu in state.Menus)
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{
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if (menu.Serial == serial)
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{
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state.RemoveMenu(menu);
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if (index >= 0 && index < menu.EntryLength)
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{
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menu.OnResponse(state, index);
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}
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else
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{
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menu.OnCancel(state);
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}
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break;
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}
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}
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}
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public static void Disconnect(NetState state, CircularBufferReader reader, int packetLength)
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{
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var minusOne = reader.ReadInt32();
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}
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public static void ConfigurationFile(NetState state, CircularBufferReader reader, int packetLength)
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{
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}
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public static void LogoutReq(NetState state, CircularBufferReader reader, int packetLength)
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{
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state.SendLogoutAck();
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}
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public static void ChangeSkillLock(NetState state, CircularBufferReader reader, int packetLength)
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{
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var s = state.Mobile.Skills[reader.ReadInt16()];
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s?.SetLockNoRelay((SkillLock)reader.ReadByte());
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}
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public static void HelpRequest(NetState state, CircularBufferReader reader, int packetLength)
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{
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EventSink.InvokeHelpRequest(state.Mobile);
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}
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public static void DisplayGumpResponse(NetState state, CircularBufferReader reader, int packetLength)
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{
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var serial = (Serial)reader.ReadUInt32();
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var typeID = reader.ReadInt32();
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var buttonID = reader.ReadInt32();
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foreach (var gump in state.Gumps)
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{
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if (gump.Serial != serial || gump.TypeID != typeID)
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{
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continue;
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}
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var buttonExists = buttonID == 0; // 0 is always 'close'
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if (!buttonExists)
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{
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foreach (var e in gump.Entries)
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{
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if (e is GumpButton button && button.ButtonID == buttonID)
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{
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buttonExists = true;
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break;
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}
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if (e is GumpImageTileButton tileButton && tileButton.ButtonID == buttonID)
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{
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buttonExists = true;
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break;
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}
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}
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}
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if (!buttonExists)
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{
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state.LogInfo("Invalid gump response, disconnecting...");
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var exception = new InvalidGumpResponseException($"Button {buttonID} doesn't exist");
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exception.SetStackTrace(new StackTrace());
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NetState.TraceException(exception);
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state.Mobile?.SendMessage("Invalid gump response.");
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// state.Disconnect("Invalid gump response.");
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return;
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}
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var switchCount = reader.ReadInt32();
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if (switchCount < 0 || switchCount > gump.m_Switches)
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{
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state.LogInfo("Invalid gump response, disconnecting...");
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var exception = new InvalidGumpResponseException($"Bad switch count {switchCount}");
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exception.SetStackTrace(new StackTrace());
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NetState.TraceException(exception);
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state.Mobile?.SendMessage("Invalid gump response.");
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// state.Disconnect("Invalid gump response.");
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return;
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}
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var switches = new int[switchCount];
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for (var i = 0; i < switches.Length; ++i)
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{
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switches[i] = reader.ReadInt32();
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}
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var textCount = reader.ReadInt32();
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if (textCount < 0 || textCount > gump.m_TextEntries)
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{
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state.LogInfo("Invalid gump response, disconnecting...");
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var exception = new InvalidGumpResponseException($"Bad text entry count {textCount}");
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exception.SetStackTrace(new StackTrace());
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NetState.TraceException(exception);
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state.Mobile?.SendMessage("Invalid gump response.");
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// state.Disconnect("Invalid gump response.");
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return;
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}
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var textEntries = new TextRelay[textCount];
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for (var i = 0; i < textEntries.Length; ++i)
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{
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int entryID = reader.ReadUInt16();
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int textLength = reader.ReadUInt16();
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if (textLength > 239)
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{
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state.LogInfo("Invalid gump response, disconnecting...");
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var exception = new InvalidGumpResponseException($"Text entry {i} is too long ({textLength})");
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exception.SetStackTrace(new StackTrace());
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NetState.TraceException(exception);
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state.Mobile?.SendMessage("Invalid gump response.");
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// state.Disconnect("Invalid gump response.");
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return;
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}
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var text = reader.ReadBigUniSafe(textLength);
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textEntries[i] = new TextRelay(entryID, text);
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}
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state.RemoveGump(gump);
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var prof = GumpProfile.Acquire(gump.GetType());
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prof?.Start();
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gump.OnResponse(state, new RelayInfo(buttonID, switches, textEntries));
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prof?.Finish();
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return;
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}
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if (typeID == 461)
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{
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// Virtue gump
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var switchCount = reader.Remaining >= 4 ? reader.ReadInt32() : 0;
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if (buttonID == 1 && switchCount > 0)
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{
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var beheld = World.FindMobile((Serial)reader.ReadUInt32());
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if (beheld != null)
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{
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EventSink.InvokeVirtueGumpRequest(state.Mobile, beheld);
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}
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}
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else
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{
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var beheld = World.FindMobile(serial);
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if (beheld != null)
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{
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EventSink.InvokeVirtueItemRequest(state.Mobile, beheld, buttonID);
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}
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}
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}
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}
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public static void SetWarMode(NetState state, CircularBufferReader reader, int packetLength)
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{
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state.Mobile?.DelayChangeWarmode(reader.ReadBoolean());
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}
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// TODO: Throttle/make this more safe
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public static void Resynchronize(NetState state, CircularBufferReader reader, int packetLength)
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{
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var from = state.Mobile;
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if (from == null)
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{
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return;
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}
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state.SendMobileUpdate(from);
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state.SendMobileIncoming(from, from);
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from.SendEverything();
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state.Sequence = 0;
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}
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public static void PingReq(NetState state, CircularBufferReader reader, int packetLength)
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{
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state.SendPingAck(reader.ReadByte());
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}
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public static void SetUpdateRange(NetState state, CircularBufferReader reader, int packetLength)
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{
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state.SendChangeUpdateRange(18);
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}
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public static void MobileQuery(NetState state, CircularBufferReader reader, int packetLength)
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{
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var from = state.Mobile;
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if (from == null)
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{
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return;
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}
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reader.ReadInt32(); // 0xEDEDEDED
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int type = reader.ReadByte();
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var m = World.FindMobile((Serial)reader.ReadUInt32());
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if (m == null)
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{
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return;
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}
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switch (type)
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{
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case 0x04: // Stats
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{
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m.OnStatsQuery(from);
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break;
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}
|
||||
case 0x05:
|
||||
{
|
||||
m.OnSkillsQuery(from);
|
||||
break;
|
||||
}
|
||||
default:
|
||||
{
|
||||
reader.Trace(state);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public static void CrashReport(NetState state, CircularBufferReader reader, int packetLength)
|
||||
{
|
||||
var clientMaj = reader.ReadByte();
|
||||
var clientMin = reader.ReadByte();
|
||||
var clientRev = reader.ReadByte();
|
||||
var clientPat = reader.ReadByte();
|
||||
|
||||
var x = reader.ReadUInt16();
|
||||
var y = reader.ReadUInt16();
|
||||
var z = reader.ReadSByte();
|
||||
var map = reader.ReadByte();
|
||||
|
||||
var account = reader.ReadAscii(32);
|
||||
var character = reader.ReadAscii(32);
|
||||
var ip = reader.ReadAscii(15);
|
||||
|
||||
var unk1 = reader.ReadInt32();
|
||||
var exception = reader.ReadInt32();
|
||||
|
||||
var process = reader.ReadAscii(100);
|
||||
var report = reader.ReadAscii(100);
|
||||
|
||||
reader.ReadByte(); // 0x00
|
||||
|
||||
var offset = reader.ReadInt32();
|
||||
|
||||
int count = reader.ReadByte();
|
||||
|
||||
for (var i = 0; i < count; i++)
|
||||
{
|
||||
var address = reader.ReadInt32();
|
||||
}
|
||||
}
|
||||
|
||||
public static void GuildGumpRequest(NetState state, IEntity e, EncodedReader reader)
|
||||
{
|
||||
EventSink.InvokeGuildGumpRequest(state.Mobile);
|
||||
}
|
||||
|
||||
public static void QuestGumpRequest(NetState state, IEntity e, EncodedReader reader)
|
||||
{
|
||||
EventSink.InvokeQuestGumpRequest(state.Mobile);
|
||||
}
|
||||
|
||||
public static unsafe void EncodedCommand(NetState state, CircularBufferReader reader, int packetLength)
|
||||
{
|
||||
var e = World.FindEntity((Serial)reader.ReadUInt32());
|
||||
int packetId = reader.ReadUInt16();
|
||||
|
||||
// We will add support if this is ever a real thing.
|
||||
if (packetId > 0xFF)
|
||||
{
|
||||
var reason = $"Sent unsupported encoded packet (0xD7x{packetId:X4}";
|
||||
state.LogInfo(reason);
|
||||
state.Disconnect(reason);
|
||||
}
|
||||
|
||||
var ph = IncomingPackets.GetEncodedHandler(packetId);
|
||||
|
||||
if (ph == null)
|
||||
{
|
||||
reader.Trace(state);
|
||||
return;
|
||||
}
|
||||
|
||||
if (ph.Ingame && state.Mobile == null)
|
||||
{
|
||||
var reason = $"Sent in-game packet (0xD7x{packetId:X4}) before being attached to a mobile.";
|
||||
state.LogInfo(reason);
|
||||
state.Disconnect(reason);
|
||||
}
|
||||
else if (ph.Ingame && state.Mobile.Deleted)
|
||||
{
|
||||
state.Disconnect($"Sent in-game packet(0xD7x{packetId:X4}) but mobile is deleted.");
|
||||
}
|
||||
else
|
||||
{
|
||||
ph.OnReceive(state, e, new EncodedReader(reader));
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue