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); }