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 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);
}
/**
* 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);
}
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 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);
}
/**
* 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: 0x81
* Length: Up to 425 bytes
*
* Displays the list of characters during the login process.
* Note: Currently Unused
*/
public static void SendChangeCharacter(this NetState ns, IAccount a)
{
if (ns == null || a == null || !ns.GetSendBuffer(out var buffer))
{
return;
}
var length = 5 + a.Length * 60;
var writer = new CircularBufferWriter(buffer);
writer.Write((byte)0x81); // Packet ID
writer.Write((ushort)length);
writer.Write((ushort)0); // Count & Placeholder
int count = 0;
for (var i = 0; i < a.Length; ++i)
{
var m = a[i];
if (m == null)
{
writer.Clear(60);
}
else
{
var name = (m.RawName?.Trim()).DefaultIfNullOrEmpty("-no name-");
count++;
writer.WriteAscii(name, 30);
writer.Clear(30); // Password (empty)
}
}
var position = writer.Position;
writer.Seek(3, SeekOrigin.Begin);
writer.Write((byte)count);
writer.Seek(position, SeekOrigin.Begin);
ns.Send(ref buffer, writer.Position);
}
public static void SendDisplaySecureTrade(
this NetState ns, Mobile them, Container first, Container second, string name
)
{
if (ns == null || !ns.GetSendBuffer(out var buffer))
{
return;
}
var writer = new CircularBufferWriter(buffer);
writer.Write((byte)0x6F); // Packet ID
writer.Write((ushort)47); // Length
writer.Write((byte)TradeFlag.Display);
writer.Write(them.Serial);
writer.Write(first.Serial);
writer.Write(second.Serial);
writer.Write(true);
writer.WriteAscii(name ?? "", 30);
ns.Send(ref buffer, writer.Position);
}
/**
* Packet: 0xA9
* Length: 1410 or more bytes
*
* Sends list of characters and starting cities.
*/
public static void SendCharacterList(this NetState ns)
{
var acct = ns?.Account;
if (acct == null || !ns.GetSendBuffer(out var buffer))
{
return;
}
var client70130 = ns.NewCharacterList;
var textLength = client70130 ? 32 : 31;
var cityInfo = ns.CityInfo;
var writer = new CircularBufferWriter(buffer);
writer.Write((byte)0xA9); // Packet ID
writer.Seek(2, SeekOrigin.Current); // Length
var highSlot = -1;
for (var i = acct.Length - 1; i >= 0; i--)
{
if (acct[i] != null)
{
highSlot = i;
break;
}
}
var count = Math.Max(Math.Max(highSlot + 1, acct.Limit), 5);
writer.Write((byte)count);
for (int i = 0; i < count; i++)
{
var m = acct[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.Write((byte)cityInfo.Length);
for (int i = 0; i < cityInfo.Length; ++i)
{
var ci = cityInfo[i];
writer.Write((byte)i);
writer.WriteAscii(ci.City, textLength);
writer.WriteAscii(ci.Building, textLength);
if (client70130)
{
writer.Write(ci.X);
writer.Write(ci.Y);
writer.Write(ci.Z);
writer.Write(ci.Map?.MapID ?? 0);
writer.Write(ci.Description);
writer.Write(0);
}
}
var flags = ExpansionInfo.CoreExpansion.CharacterListFlags;
if (count > 6)
{
flags |= CharacterListFlags.SeventhCharacterSlot |
CharacterListFlags.SixthCharacterSlot; // 7th Character Slot - TODO: Is SixthCharacterSlot Required?
}
else if (count == 6)
{
flags |= CharacterListFlags.SixthCharacterSlot; // 6th Character Slot
}
else if (acct.Limit == 1)
{
flags |= CharacterListFlags.SlotLimit &
CharacterListFlags.OneCharacterSlot; // Limit Characters & One Character
}
writer.Write((int)flags);
if (client70130)
{
writer.Write((short)-1);
}
writer.WritePacketLength();
ns.Send(ref buffer, writer.Position);
}