public static void SendMultiTargetReq(this NetState ns, MultiTarget t)
{
if (ns == null || !ns.GetSendBuffer(out var buffer))
{
return;
}
var writer = new CircularBufferWriter(buffer);
writer.Write((byte)0x99); // Packet ID
writer.Write(t.AllowGround);
writer.Write(t.TargetID);
writer.Write((byte)t.Flags);
writer.Clear(11);
writer.Write((short)t.MultiID);
writer.Write((short)t.Offset.X);
writer.Write((short)t.Offset.Y);
writer.Write((short)t.Offset.Z);
if (ns.HighSeas)
{
writer.Write(0);
}
ns.Send(ref buffer, writer.Position);
}
public static int SendUnicodeMessage(
ArraySegment <byte>[] buffer,
Serial serial, int graphic, MessageType type, int hue, int font, string lang, string name, string text
)
{
name = name?.Trim() ?? "";
text = text?.Trim() ?? "";
lang = lang?.Trim() ?? "ENU";
if (hue == 0)
{
hue = 0x3B2;
}
var writer = new CircularBufferWriter(buffer);
writer.Write((byte)0xAE);
writer.Write((ushort)(50 + text.Length * 2));
writer.Write(serial);
writer.Write((short)graphic);
writer.Write((byte)type);
writer.Write((short)hue);
writer.Write((short)font);
writer.WriteAscii(lang, 4);
writer.WriteAscii(name, 30);
writer.WriteBigUniNull(text);
return(writer.Position);
}
public static void SendDamage(this NetState ns, Serial serial, int amount)
{
if (ns == null || !ns.GetSendBuffer(out var buffer))
{
return;
}
var writer = new CircularBufferWriter(buffer);
if (ns.DamagePacket)
{
writer.Write((byte)0x0B); // Packet ID
writer.Write(serial);
writer.Write((ushort)Math.Clamp(amount, 0, 0xFFFF));
}
else
{
writer.Write((byte)0xBF); // Packet ID
writer.Write((ushort)11); // Length
writer.Write((ushort)0x22);
writer.Write((byte)1);
writer.Write(serial);
writer.Write((byte)Math.Clamp(amount, 0, 0xFF));
}
ns.Send(ref buffer, writer.Position);
}
public static void SendSecureTradeEquip(this NetState ns, Item item, Mobile m)
{
if (ns == null || !ns.GetSendBuffer(out var buffer))
{
return;
}
var writer = new CircularBufferWriter(buffer);
writer.Write((byte)0x25); // Packet ID
writer.Write(item.Serial);
writer.Write((short)item.ItemID);
writer.Write((byte)0);
writer.Write((short)item.Amount);
writer.Write((short)item.X);
writer.Write((short)item.Y);
if (ns.ContainerGridLines)
{
writer.Write((byte)0);
}
writer.Write(m.Serial);
writer.Write((short)item.Hue);
ns.Send(ref buffer, writer.Position);
}
/// <summary>
/// Constructs a circular buffer of specified initial size
/// </summary>
/// <param name="size">Initial size of buffer</param>
public CircularBuffer(int size)
{
this.internalData = new byte[size + 1];
this.writer = new CircularBufferWriter(this);
this.reader = new CircularBufferReader(this);
}
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 SendArrow(this NetState ns, byte command, int x, int y, Serial s)
{
if (ns == null || !ns.GetSendBuffer(out var buffer))
{
return;
}
var writer = new CircularBufferWriter(buffer);
writer.Write((byte)0xBA); // Packet ID
writer.Write(command);
if (ns.HighSeas)
{
writer.Write((short)x);
writer.Write((short)y);
writer.Write(s);
}
else if (command == 1)
{
writer.Write((short)x);
writer.Write((short)y);
}
else
{
writer.Write((short)-1);
writer.Write((short)-1);
}
ns.Send(ref buffer, writer.Position);
}
public static void SendMapPatches(this NetState ns)
{
if (ns == null || !ns.GetSendBuffer(out var buffer))
{
return;
}
var writer = new CircularBufferWriter(buffer);
writer.Write((byte)0xBF); // Packet ID
writer.Write((ushort)41); // Length
writer.Write((ushort)0x18); // Subpacket
writer.Write(4); // Map count?
writer.Write(Map.Felucca.Tiles.Patch.StaticBlocks);
writer.Write(Map.Felucca.Tiles.Patch.LandBlocks);
writer.Write(Map.Trammel.Tiles.Patch.StaticBlocks);
writer.Write(Map.Trammel.Tiles.Patch.LandBlocks);
writer.Write(Map.Ilshenar.Tiles.Patch.StaticBlocks);
writer.Write(Map.Ilshenar.Tiles.Patch.LandBlocks);
writer.Write(Map.Malas.Tiles.Patch.StaticBlocks);
writer.Write(Map.Malas.Tiles.Patch.LandBlocks);
ns.Send(ref buffer, writer.Position);
}
public static void SendVendorBuyList(this NetState ns, Mobile vendor, List <BuyItemState> list)
{
if (ns == null || !ns.GetSendBuffer(out var buffer))
{
return;
}
var writer = new CircularBufferWriter(buffer);
writer.Write((byte)0x74); // Packet ID
writer.Seek(2, SeekOrigin.Current);
writer.Write((vendor.FindItemOnLayer(Layer.ShopBuy) as Container)?.Serial ?? Serial.MinusOne);
writer.Write((byte)list.Count);
for (var i = 0; i < list.Count; ++i)
{
var bis = list[i];
writer.Write(bis.Price);
var desc = bis.Description ?? "";
writer.Write((byte)desc.Length);
writer.WriteAscii(desc); // Doesn't look like it is used anymore
}
writer.WritePacketLength();
ns.Send(ref buffer, writer.Position);
}
public static void SendVendorBuyContent(this NetState ns, List <BuyItemState> list)
{
if (ns == null || !ns.GetSendBuffer(out var buffer))
{
return;
}
var writer = new CircularBufferWriter(buffer);
writer.Write((byte)0x3C); // Packet ID
writer.Seek(2, SeekOrigin.Current);
writer.Write((short)list.Count);
for (var i = list.Count - 1; i >= 0; --i)
{
var bis = list[i];
writer.Write(bis.MySerial);
writer.Write((ushort)bis.ItemID);
writer.Write((byte)0); // itemID offset
writer.Write((ushort)bis.Amount);
writer.Write((short)(i + 1)); // x
writer.Write((short)1); // y
if (ns.ContainerGridLines)
{
writer.Write((byte)0); // Grid Location?
}
writer.Write(bis.ContainerSerial);
writer.Write((ushort)bis.Hue);
}
writer.WritePacketLength();
ns.Send(ref buffer, writer.Position);
}
/**
* Packet: 0xA8
* Length: up to 240 bytes
*
* Sends login acknowledge with server listing
*/
public static void SendAccountLoginAck(this NetState ns)
{
if (ns == null || !ns.GetSendBuffer(out var buffer))
{
return;
}
var writer = new CircularBufferWriter(buffer);
writer.Write((byte)0xA8); // Packet ID
writer.Seek(2, SeekOrigin.Current); // Length
writer.Write((byte)0x5D);
var info = ns.ServerInfo;
writer.Write((ushort)info.Length);
for (var i = 0; i < info.Length; ++i)
{
var si = info[i];
writer.Write((ushort)i);
writer.WriteAscii(si.Name, 32);
writer.Write((byte)si.FullPercent);
writer.Write((sbyte)si.TimeZone);
writer.Write(Utility.GetAddressValue(si.Address.Address));
}
writer.WritePacketLength();
ns.Send(ref buffer, writer.Position);
}
/**
* Packet: 0x1B
* Length: 37 bytes
*
* Sends login confirmation
*/
public static void SendLoginConfirmation(this NetState ns, Mobile m)
{
if (ns == null || !ns.GetSendBuffer(out var buffer))
{
return;
}
var writer = new CircularBufferWriter(buffer);
writer.Write((byte)0x1B); // PacketID
writer.Write(m.Serial);
writer.Write(0);
writer.Write((short)m.Body);
writer.Write((short)m.X);
writer.Write((short)m.Y);
writer.Write((short)m.Z);
writer.Write((byte)m.Direction);
writer.Write((byte)0);
writer.Write(-1);
writer.Write(0);
var map = m.Map;
if (map == null || map == Map.Internal)
{
map = m.LogoutMap;
}
writer.Write((short)(map?.Width ?? Map.Felucca.Width));
writer.Write((short)(map?.Height ?? Map.Felucca.Height));
writer.Clear();
ns.Send(ref buffer, 37);
}
public static void WritePacketLength(this CircularBufferWriter writer)
{
var length = writer.Position;
writer.Seek(1, SeekOrigin.Begin);
writer.Write((ushort)length);
writer.Seek(length, SeekOrigin.Begin);
}
public static void SendDisplayItemListMenu(this NetState ns, ItemListMenu menu)
{
if (ns == null || menu == null || !ns.GetSendBuffer(out var buffer))
{
return;
}
var writer = new CircularBufferWriter(buffer);
writer.Write((byte)0x7C); // Packet ID
writer.Seek(2, SeekOrigin.Current); // Length
writer.Write(menu.Serial);
writer.Write((ushort)0);
var question = menu.Question?.Trim();
if (question == null)
{
writer.Write((byte)0);
}
else
{
var questionLength = question.Length;
writer.Write((byte)questionLength);
writer.WriteAscii(question);
}
var entries = menu.Entries;
int entriesLength = (byte)entries.Length;
writer.Write((byte)entriesLength);
for (var i = 0; i < entriesLength; ++i)
{
var e = entries[i];
writer.Write((ushort)e.ItemID);
writer.Write((short)e.Hue);
var name = e.Name?.Trim();
if (name == null)
{
writer.Write((byte)0);
}
else
{
var nameLength = name.Length;
writer.Write((byte)nameLength);
writer.WriteAscii(name);
}
}
writer.WritePacketLength();
ns.Send(ref buffer, writer.Position);
}
public static void SendDisplayQuestionMenu(this NetState ns, QuestionMenu menu)
{
if (ns == null || menu == null || !ns.GetSendBuffer(out var buffer))
{
return;
}
var writer = new CircularBufferWriter(buffer);
writer.Write((byte)0x7C); // Packet ID
writer.Seek(2, SeekOrigin.Current); // Length
writer.Write(menu.Serial);
writer.Write((ushort)0);
var question = menu.Question?.Trim();
if (question == null)
{
writer.Write((byte)0);
}
else
{
var questionLength = question.Length;
writer.Write((byte)questionLength);
writer.WriteAscii(question);
}
var answers = menu.Answers;
int answersLength = (byte)answers.Length;
writer.Write((byte)answersLength);
for (var i = 0; i < answersLength; ++i)
{
writer.Write(0);
var answer = answers[i]?.Trim();
if (answer == null)
{
writer.Write((byte)0);
}
else
{
var nameLength = answer.Length;
writer.Write((byte)nameLength);
writer.WriteAscii(answer);
}
}
writer.WritePacketLength();
ns.Send(ref buffer, writer.Position);
}
public static void SendChangeCombatant(this NetState ns, Serial combatant)
{
if (ns == null || !ns.GetSendBuffer(out var buffer))
{
return;
}
var writer = new CircularBufferWriter(buffer);
writer.Write((byte)0xAA); // Packet ID
writer.Write(combatant);
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);
}
public static void SendDisplayEquipmentInfo(
this NetState ns,
Serial serial, int number, string crafterName, bool unidentified, List <EquipInfoAttribute> attrs
)
{
if (ns == null || !ns.GetSendBuffer(out var buffer))
{
return;
}
crafterName = crafterName.DefaultIfNullOrEmpty("");
var length = 17 +
(crafterName.Length > 0 ? 6 + crafterName.Length : 0) +
(unidentified ? 4 : 0) +
attrs.Count * 6;
var writer = new CircularBufferWriter(buffer);
writer.Write((byte)0xBF); // Packet ID
writer.Write((ushort)length);
writer.Write((ushort)0x10); // Subpacket
writer.Write(serial);
writer.Write(number);
if (crafterName.Length > 0)
{
writer.Write(-3); // crafted by
writer.Write((ushort)crafterName.Length);
writer.WriteAscii(crafterName);
}
if (unidentified)
{
writer.Write(-4);
}
for (var i = 0; i < attrs.Count; ++i)
{
var attr = attrs[i];
writer.Write(attr.Number);
writer.Write((short)attr.Charges);
}
writer.Write(-1);
ns.Send(ref buffer, writer.Position);
}
public static void SendSetWarMode(this NetState ns, bool warmode)
{
if (ns == null || !ns.GetSendBuffer(out var buffer))
{
return;
}
var writer = new CircularBufferWriter(buffer);
writer.Write((byte)0x72); // Packet ID
// Warmode, 0x00, 0x32, 0x00
writer.Write(warmode ? 0x01003200 : 0x00003200);
ns.Send(ref buffer, writer.Position);
}
public static void SendPersonalLightLevel(this NetState ns, Serial serial, int level)
{
if (ns == null || !ns.GetSendBuffer(out var buffer))
{
return;
}
var writer = new CircularBufferWriter(buffer);
writer.Write((byte)0x4E); // Packet ID
writer.Write(serial);
writer.Write((byte)level);
ns.Send(ref buffer, writer.Position);
}
public static void SendFastwalkStackKey(this NetState ns, uint key = 0)
{
if (ns == null || !ns.GetSendBuffer(out var buffer))
{
return;
}
var writer = new CircularBufferWriter(buffer);
writer.Write((byte)0xBF); // Packet ID
writer.Write((ushort)0x2); // Subpacket
writer.Write(key);
ns.Send(ref buffer, writer.Position);
}
public static void SendFollowMessage(this NetState ns, Serial s1, Serial s2)
{
if (ns == null || !ns.GetSendBuffer(out var buffer))
{
return;
}
var writer = new CircularBufferWriter(buffer);
writer.Write((byte)0x15); // Packet ID
writer.Write(s1);
writer.Write(s2);
ns.Send(ref buffer, 9);
}
public static void SendCloseSecureTrade(this NetState ns, Container cont)
{
if (ns == null || !ns.GetSendBuffer(out var buffer))
{
return;
}
var writer = new CircularBufferWriter(buffer);
writer.Write((byte)0x6F); // Packet ID
writer.Write((ushort)8); // Length
writer.Write((byte)TradeFlag.Close);
writer.Write(cont.Serial);
ns.Send(ref buffer, writer.Position);
}
public static void SendEndVendorBuy(this NetState ns, Serial vendor)
{
if (ns == null || !ns.GetSendBuffer(out var buffer))
{
return;
}
var writer = new CircularBufferWriter(buffer);
writer.Write((byte)0x3B); // Packet ID
writer.Write((ushort)8);
writer.Write(vendor);
writer.Write((byte)0); // Buy count
ns.Send(ref buffer, writer.Position);
}
public static void SendSpeedControl(this NetState ns, SpeedControlSetting speedControl)
{
if (ns == null || !ns.GetSendBuffer(out var buffer))
{
return;
}
var writer = new CircularBufferWriter(buffer);
writer.Write((byte)0xBF); // Packet ID
writer.Write((ushort)06);
writer.Write((ushort)0x26); // Subpacket
writer.Write((byte)speedControl);
ns.Send(ref buffer, writer.Position);
}
public static void SendSwing(this NetState ns, Serial attacker, Serial defender)
{
if (ns == null || !ns.GetSendBuffer(out var buffer))
{
return;
}
var writer = new CircularBufferWriter(buffer);
writer.Write((byte)0x2F); // Packet ID
writer.Write((byte)0);
writer.Write(attacker);
writer.Write(defender);
ns.Send(ref buffer, writer.Position);
}
public static void SendMapChange(this NetState ns, Map map)
{
if (ns == null || map == null || !ns.GetSendBuffer(out var buffer))
{
return;
}
var writer = new CircularBufferWriter(buffer);
writer.Write((byte)0xBF); // Packet ID
writer.Write((ushort)6); // Length
writer.Write((ushort)0x08); // Subpacket
writer.Write((byte)map.MapID);
ns.Send(ref buffer, writer.Position);
}
public static void SendTimeSyncResponse(this NetState ns)
{
if (ns == null || !ns.GetSendBuffer(out var buffer))
{
return;
}
var writer = new CircularBufferWriter(buffer);
writer.Write((byte)0xF2); // Packet ID
writer.Write(Core.TickCount); // ??
writer.Write(Core.TickCount); // ??
writer.Write(Core.TickCount); // ??
ns.Send(ref buffer, writer.Position);
}
/**
* Packet: 0x86
* Length: Up to 424 bytes
*
* Sends updated character list
*/
public static void SendCharacterListUpdate(this NetState ns, IAccount a)
{
if (ns == null || a == null || !ns.GetSendBuffer(out var buffer))
{
return;
}
var writer = new CircularBufferWriter(buffer);
writer.Write((byte)0x86); // Packet ID
writer.Seek(2, SeekOrigin.Current); // Length
var highSlot = -1;
for (var i = a.Length - 1; i >= 0; i--)
{
if (a[i] != null)
{
highSlot = i;
break;
}
}
var count = Math.Max(Math.Max(highSlot + 1, a.Limit), 5);
writer.Write((byte)count);
for (int i = 0; i < count; i++)
{
var m = a[i];
if (m == null)
{
writer.Clear(60);
}
else
{
var name = (m.RawName?.Trim()).DefaultIfNullOrEmpty("-no name-");
writer.WriteAscii(name, 30);
writer.Clear(30); // password
}
}
writer.WritePacketLength();
ns.Send(ref buffer, writer.Position);
}
/**
* Packet: 0x8C
* Length: 11 bytes
*
* Sends acknowledge play server
*/
public static void SendPlayServerAck(this NetState ns, ServerInfo si, int authId)
{
if (ns == null || !ns.GetSendBuffer(out var buffer))
{
return;
}
var writer = new CircularBufferWriter(buffer);
writer.Write((byte)0x8C); // Packet ID
writer.WriteLE(si.RawAddress);
writer.Write((short)si.Address.Port);
writer.Write(authId);
ns.Send(ref buffer, writer.Position);
}
/// <summary>
/// Constructs a circular buffer of specified initial size
/// </summary>
/// <param name="size">Initial size of buffer</param>
public CircularBuffer(int size)
{
this.internalData = new byte[ size+1 ];
this.writer = new CircularBufferWriter(this);
this.reader = new CircularBufferReader(this);
}