Rearranges packet code (#295)
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Kamron Batman
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54 changed files with 3023 additions and 2846 deletions
339
Projects/Server/Network/Packets/GumpPackets.cs
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339
Projects/Server/Network/Packets/GumpPackets.cs
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/*************************************************************************
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* ModernUO *
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* Copyright 2019-2020 - ModernUO Development Team *
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* Email: hi@modernuo.com *
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* File: GumpPackets.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.Buffers;
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using System.Collections.Generic;
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using System.IO;
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using System.IO.Compression;
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using System.Text;
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using Server.Gumps;
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namespace Server.Network
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{
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public sealed class CloseGump : Packet
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{
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public CloseGump(int typeID, int buttonID) : base(0xBF)
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{
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EnsureCapacity(13);
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Stream.Write((short)0x04);
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Stream.Write(typeID);
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Stream.Write(buttonID);
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}
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}
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public interface IGumpWriter
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{
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int TextEntries { get; set; }
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int Switches { get; set; }
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void AppendLayout(bool val);
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void AppendLayout(int val);
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void AppendLayout(uint val);
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void AppendLayoutNS(int val);
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void AppendLayout(string text);
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void AppendLayout(byte[] buffer);
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void WriteStrings(List<string> strings);
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void Flush();
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}
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public sealed class DisplayGumpPacked : Packet, IGumpWriter
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{
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private static readonly byte[] m_True = Gump.StringToBuffer(" 1");
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private static readonly byte[] m_False = Gump.StringToBuffer(" 0");
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private static readonly byte[] m_BeginTextSeparator = Gump.StringToBuffer(" @");
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private static readonly byte[] m_EndTextSeparator = Gump.StringToBuffer("@");
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private static readonly byte[] m_Buffer = new byte[48];
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private readonly Gump m_Gump;
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private readonly PacketWriter m_Layout;
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private readonly PacketWriter m_Strings;
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private int m_StringCount;
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static DisplayGumpPacked() => m_Buffer[0] = (byte)' ';
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public DisplayGumpPacked(Gump gump)
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: base(0xDD)
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{
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m_Gump = gump;
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m_Layout = PacketWriter.CreateInstance(8192);
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m_Strings = PacketWriter.CreateInstance(8192);
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}
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public int TextEntries { get; set; }
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public int Switches { get; set; }
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public void AppendLayout(bool val)
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{
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AppendLayout(val ? m_True : m_False);
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}
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public void AppendLayout(int val)
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{
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var toString = val.ToString();
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var bytes = Encoding.ASCII.GetBytes(toString, 0, toString.Length, m_Buffer, 1) + 1;
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m_Layout.Write(m_Buffer, 0, bytes);
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}
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public void AppendLayout(uint val)
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{
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var toString = val.ToString();
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var bytes = Encoding.ASCII.GetBytes(toString, 0, toString.Length, m_Buffer, 1) + 1;
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m_Layout.Write(m_Buffer, 0, bytes);
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}
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public void AppendLayoutNS(int val)
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{
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var toString = val.ToString();
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var bytes = Encoding.ASCII.GetBytes(toString, 0, toString.Length, m_Buffer, 1);
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m_Layout.Write(m_Buffer, 1, bytes);
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}
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public void AppendLayout(string text)
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{
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AppendLayout(m_BeginTextSeparator);
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m_Layout.WriteAsciiFixed(text, text.Length);
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AppendLayout(m_EndTextSeparator);
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}
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public void AppendLayout(byte[] buffer)
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{
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m_Layout.Write(buffer, 0, buffer.Length);
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}
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public void WriteStrings(List<string> strings)
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{
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m_StringCount = strings.Count;
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for (var i = 0; i < strings.Count; ++i)
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{
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var v = strings[i] ?? "";
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m_Strings.Write((ushort)v.Length);
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m_Strings.WriteBigUniFixed(v, v.Length);
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}
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}
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public void Flush()
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{
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EnsureCapacity(28 + (int)m_Layout.Length + (int)m_Strings.Length);
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Stream.Write(m_Gump.Serial);
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Stream.Write(m_Gump.TypeID);
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Stream.Write(m_Gump.X);
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Stream.Write(m_Gump.Y);
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// Note: layout MUST be null terminated (don't listen to krrios)
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m_Layout.Write((byte)0);
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WritePacked(m_Layout);
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Stream.Write(m_StringCount);
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WritePacked(m_Strings);
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PacketWriter.ReleaseInstance(m_Layout);
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PacketWriter.ReleaseInstance(m_Strings);
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}
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private void WritePacked(PacketWriter src)
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{
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var buffer = src.UnderlyingStream.GetBuffer();
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var length = (int)src.Length;
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if (length == 0)
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{
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Stream.Write(0);
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return;
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}
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var wantLength = 1 + buffer.Length * 1024 / 1000;
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wantLength += 4095;
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wantLength &= ~4095;
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var packBuffer = ArrayPool<byte>.Shared.Rent(wantLength);
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var packLength = wantLength;
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Zlib.Pack(packBuffer, ref packLength, buffer, length, ZlibQuality.Default);
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Stream.Write(4 + packLength);
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Stream.Write(length);
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Stream.Write(packBuffer, 0, packLength);
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ArrayPool<byte>.Shared.Return(packBuffer);
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}
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}
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public sealed class DisplayGumpFast : Packet, IGumpWriter
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{
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private static readonly byte[] m_True = Gump.StringToBuffer(" 1");
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private static readonly byte[] m_False = Gump.StringToBuffer(" 0");
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private static readonly byte[] m_BeginTextSeparator = Gump.StringToBuffer(" @");
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private static readonly byte[] m_EndTextSeparator = Gump.StringToBuffer("@");
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private readonly byte[] m_Buffer = new byte[48];
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private int m_LayoutLength;
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public DisplayGumpFast(Gump g) : base(0xB0)
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{
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m_Buffer[0] = (byte)' ';
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EnsureCapacity(4096);
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Stream.Write(g.Serial);
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Stream.Write(g.TypeID);
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Stream.Write(g.X);
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Stream.Write(g.Y);
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Stream.Write((ushort)0xFFFF);
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}
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public int TextEntries { get; set; }
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public int Switches { get; set; }
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public void AppendLayout(bool val)
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{
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AppendLayout(val ? m_True : m_False);
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}
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public void AppendLayout(int val)
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{
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var toString = val.ToString();
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var bytes = Encoding.ASCII.GetBytes(toString, 0, toString.Length, m_Buffer, 1) + 1;
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Stream.Write(m_Buffer, 0, bytes);
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m_LayoutLength += bytes;
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}
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public void AppendLayout(uint val)
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{
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var toString = val.ToString();
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var bytes = Encoding.ASCII.GetBytes(toString, 0, toString.Length, m_Buffer, 1) + 1;
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Stream.Write(m_Buffer, 0, bytes);
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m_LayoutLength += bytes;
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}
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public void AppendLayoutNS(int val)
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{
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var toString = val.ToString();
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var bytes = Encoding.ASCII.GetBytes(toString, 0, toString.Length, m_Buffer, 1);
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Stream.Write(m_Buffer, 1, bytes);
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m_LayoutLength += bytes;
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}
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public void AppendLayout(string text)
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{
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AppendLayout(m_BeginTextSeparator);
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var length = text.Length;
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Stream.WriteAsciiFixed(text, length);
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m_LayoutLength += length;
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AppendLayout(m_EndTextSeparator);
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}
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public void AppendLayout(byte[] buffer)
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{
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var length = buffer.Length;
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Stream.Write(buffer, 0, length);
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m_LayoutLength += length;
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}
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public void WriteStrings(List<string> text)
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{
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Stream.Seek(19, SeekOrigin.Begin);
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Stream.Write((ushort)m_LayoutLength);
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Stream.Seek(0, SeekOrigin.End);
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Stream.Write((ushort)text.Count);
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for (var i = 0; i < text.Count; ++i)
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{
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var v = text[i] ?? "";
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int length = (ushort)v.Length;
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Stream.Write((ushort)length);
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Stream.WriteBigUniFixed(v, length);
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}
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}
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public void Flush()
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{
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}
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}
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public sealed class DisplayGump : Packet
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{
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public DisplayGump(Gump g, string layout, string[] text) : base(0xB0)
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{
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layout ??= "";
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EnsureCapacity(256);
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Stream.Write(g.Serial);
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Stream.Write(g.TypeID);
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Stream.Write(g.X);
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Stream.Write(g.Y);
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Stream.Write((ushort)(layout.Length + 1));
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Stream.WriteAsciiNull(layout);
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Stream.Write((ushort)text.Length);
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for (var i = 0; i < text.Length; ++i)
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{
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var v = text[i] ?? "";
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var length = (ushort)v.Length;
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Stream.Write(length);
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Stream.WriteBigUniFixed(v, length);
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}
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}
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}
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public sealed class DisplaySignGump : Packet
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{
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public DisplaySignGump(Serial serial, int gumpID, string unknown, string caption) : base(0x8B)
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{
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unknown ??= "";
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caption ??= "";
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EnsureCapacity(15 + unknown.Length + caption.Length);
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Stream.Write(serial);
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Stream.Write((short)gumpID);
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Stream.Write((short)(unknown.Length + 1));
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Stream.WriteAsciiNull(unknown);
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Stream.Write((short)(caption.Length + 1));
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Stream.WriteAsciiNull(caption);
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}
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}
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}
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