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Converts Item & Entity Packets (#326)

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- [X] Converts World Item packets
- [X] Converter Remove Entity packets
- [X] Updates `LOSBlocker` and `Blocker`
- [X] Fixes a few bugs
- [X] Converts container packets

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Kamron Batman 2020-11-29 03:24:51 -08:00 • committed by GitHub
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26 changed files with 1351 additions and 1606 deletions
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216
Projects/Server/Network/Packets/OutgoingContainerPackets.cs Normal file
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/*************************************************************************
* ModernUO *
* Copyright 2019-2020 - ModernUO Development Team *
* Email: hi@modernuo.com *
* File: OutgoingContainerPackets.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 System;
using System.Buffers;
using System.IO;
namespace Server.Network
{
public static class OutgoingContainerPackets
{
public static void SendDisplaySpellbook(this NetState ns, Serial book) => ns.SendDisplayContainer(book, -1);
public static void SendSpellbookContent(this NetState ns, Serial book, int graphic, int offset, ulong content)
{
if (ns == null)
{
return;
}
if (ObjectPropertyList.Enabled && ns.NewSpellbook)
{
ns.SendNewSpellbookContent(book, graphic, offset, content);
}
else
{
ns.SendOldSpellbookContent(book, offset, content);
}
}
public static void SendNewSpellbookContent(this NetState ns, Serial book, int graphic, int offset, ulong content)
{
if (ns == null || !ns.GetSendBuffer(out var buffer))
{
return;
}
var writer = new CircularBufferWriter(buffer);
writer.Write((byte)0xBF); // Packet ID
writer.Write((ushort)23); // Length
writer.Write((short)0x1B); // Subpacket
writer.Write((short)0x01); // Command
writer.Write(book);
writer.Write((short)graphic);
writer.Write((short)offset);
for (var i = 0; i < 8; ++i)
{
writer.Write((byte)(content >> (i * 8)));
}
ns.Send(ref buffer, writer.Position);
}
public static void SendOldSpellbookContent(this NetState ns, Serial book, int offset, ulong content)
{
if (ns == null || !ns.GetSendBuffer(out var buffer))
{
return;
}
var writer = new CircularBufferWriter(buffer);
writer.Write((byte)0x3C); // Packet ID
writer.Seek(4, SeekOrigin.Current); // Length & written count
var written = 0;
ulong mask = 1;
for (var i = 0; i < 64; ++i, mask <<= 1)
{
if ((content & mask) != 0)
{
writer.Write(0x7FFFFFFF - i);
writer.Write((ushort)0); // child ItemID
writer.Write((byte)0); // ItemID offset
writer.Write((ushort)(i + offset)); // Amount
writer.Write(0); // X, Y
if (ns.ContainerGridLines)
{
writer.Write((byte)0); // Grid Location
}
writer.Write(book);
writer.Write((short)0); // Quest Hue
++written;
}
}
var length = writer.Position;
writer.Seek(1, SeekOrigin.Begin);
writer.Write((ushort)length);
writer.Write((ushort)written);
ns.Send(ref buffer, length);
}
public static void SendDisplayContainer(this NetState ns, Serial cont, int gumpId)
{
if (ns == null || !ns.GetSendBuffer(out var buffer))
{
return;
}
var writer = new CircularBufferWriter(buffer);
writer.Write((byte)0x24); // Packet ID
writer.Write(cont);
writer.Write((ushort)gumpId);
if (ns.HighSeas)
{
writer.Write((short)0x7D);
}
ns.Send(ref buffer, writer.Position);
}
public static void SendContainerContentUpdate(this NetState ns, Item item)
{
if (ns == null || !ns.GetSendBuffer(out var buffer))
{
return;
}
Serial parentSerial;
if (item.Parent is Item parentItem)
{
parentSerial = parentItem.Serial;
}
else
{
Console.WriteLine("Warning: ContainerContentUpdate on item with !(parent is Item)");
parentSerial = Serial.Zero;
}
var writer = new CircularBufferWriter(buffer);
writer.Write((byte)0x25); // Packet ID
writer.Write(item.Serial);
writer.Write((ushort)item.ItemID);
writer.Write((byte)0); // signed, itemID offset
writer.Write((ushort)Math.Min(item.Amount, ushort.MaxValue));
writer.Write((short)item.X);
writer.Write((short)item.Y);
if (ns.ContainerGridLines)
{
writer.Write((byte)0); // Grid Location?
}
writer.Write(parentSerial);
writer.Write((ushort)(item.QuestItem ? Item.QuestItemHue : item.Hue));
ns.Send(ref buffer, writer.Position);
}
public static void SendContainerContent(this NetState ns, Mobile beholder, Item beheld)
{
if (ns == null || !ns.GetSendBuffer(out var buffer))
{
return;
}
var items = beheld.Items;
var count = items.Count;
var writer = new CircularBufferWriter(buffer);
writer.Write((byte)0x3C); // Packet ID
writer.Seek(4, SeekOrigin.Current); // Length & writter count
var written = 0;
for (var i = 0; i < count; ++i)
{
var child = items[i];
if (!child.Deleted && beholder.CanSee(child))
{
var loc = child.Location;
writer.Write(child.Serial);
writer.Write((ushort)child.ItemID);
writer.Write((byte)0); // signed, itemID offset
writer.Write((ushort)Math.Min(child.Amount, ushort.MaxValue));
writer.Write((short)loc.X);
writer.Write((short)loc.Y);
if (ns.ContainerGridLines)
{
writer.Write((byte)0); // Grid Location?
}
writer.Write(beheld.Serial);
writer.Write((ushort)(child.QuestItem ? Item.QuestItemHue : child.Hue));
++written;
}
}
var length = writer.Position;
writer.Seek(1, SeekOrigin.Begin);
writer.Write((ushort)length);
writer.Write((ushort)written);
ns.Send(ref buffer, length);
}
}
}