public static void SendMoveBoatHS(this NetState ns, Mobile beholder, BaseBoat boat,
Direction d, int speed, BaseBoat.MovingEntitiesEnumerable ents, int xOffset, int yOffset)
{
if (ns?.HighSeas != true)
{
return;
}
var minLength = 68; // 18 + 5 * 10
var writer = new SpanWriter(stackalloc byte[minLength], true);
writer.Write((byte)0xF6); // Packet ID
writer.Seek(2, SeekOrigin.Current);
writer.Write(boat.Serial);
writer.Write((byte)speed);
writer.Write((byte)d);
writer.Write((byte)boat.Facing);
writer.Write((short)(boat.X + xOffset));
writer.Write((short)(boat.Y + yOffset));
writer.Write((short)boat.Z);
writer.Seek(2, SeekOrigin.Current); // count
var count = 0;
foreach (var ent in ents)
{
// If we assume that the entities list contains everything a player can see,
// then this can be removed and the packet can be written once and copied to improve performance
if (!beholder.CanSee(ent))
{
continue;
}
writer.Write(ent.Serial);
writer.Write((short)(ent.X + xOffset));
writer.Write((short)(ent.Y + yOffset));
writer.Write((short)ent.Z);
++count;
}
writer.Seek(16, SeekOrigin.Begin);
writer.Write((short)count);
writer.WritePacketLength();
ns.Send(writer.Span);
}
public static void SendMoveBoatHS(this NetState ns, Mobile beholder, BaseBoat boat,
Direction d, int speed, BaseBoat.MovingEntitiesEnumerable ents, int xOffset, int yOffset)
{
if (ns?.HighSeas != true)
{
return;
}
var minLength = 68; // 18 + 5 * 10
var writer = new SpanWriter(stackalloc byte[minLength], true);
writer.Write((byte)0xF6); // Packet ID
writer.Seek(2, SeekOrigin.Current);
writer.Write(boat.Serial);
writer.Write((byte)speed);
writer.Write((byte)d);
writer.Write((byte)boat.Facing);
writer.Write((short)(boat.X + xOffset));
writer.Write((short)(boat.Y + yOffset));
writer.Write((short)boat.Z);
writer.Seek(2, SeekOrigin.Current); // count
var count = 0;
foreach (var ent in ents)
{
if (!beholder.CanSee(ent))
{
continue;
}
writer.Write(ent.Serial);
writer.Write((short)(ent.X + xOffset));
writer.Write((short)(ent.Y + yOffset));
writer.Write((short)ent.Z);
++count;
}
writer.Seek(16, SeekOrigin.Begin);
writer.Write((short)count);
writer.WritePacketLength();
ns.Send(writer.Span);
}
