public static MinimumAvatarPacket BufferToPacket(byte[] buf)
{
if (buf == null || buf.Length != 31)
{
return(null);
}
var offset = sizeof(float);
var userId = BitConverter.ToUInt64(buf, offset);
var x = BitConverter.ToInt16(buf, offset += sizeof(long));
var y = BitConverter.ToInt16(buf, offset += sizeof(short));
var z = BitConverter.ToInt16(buf, offset += sizeof(short));
offset += sizeof(short);
var radY = (sbyte)buf[offset];
var qx = (sbyte)buf[offset + 1];
var qy = (sbyte)buf[offset + 2];
var qz = (sbyte)buf[offset + 3];
var qw = (sbyte)buf[offset + 4];
var time = BitConverter.ToDouble(buf, offset + 5);
MinimumAvatarPacket packet =
new MinimumAvatarPacket(userId, new Vector3(x, y, z), radY,
new Vector4(qx, qy, qz, qw), time);
if (packet.CheckRange())
{
return(packet);
}
else
{
return(null);
}
}
public static List <MinimumAvatarPacket> BufferToPackets(byte[] buf)
{
if (buf != null && buf.Length > 0)
{
int begin = sizeof(float);
var numPackets = BitConverter.ToInt32(buf, 0);
var supposedBufSize = numPackets * 27 + begin;
if (buf.Length == supposedBufSize)
{
List <MinimumAvatarPacket> packets = new List <MinimumAvatarPacket>();
for (int i = 0; i < numPackets; ++i)
{
var offset = begin + i * 27;
var userId = BitConverter.ToUInt64(buf, offset);
var x = BitConverter.ToInt16(buf, offset += sizeof(long));
var y = BitConverter.ToInt16(buf, offset += sizeof(short));
var z = BitConverter.ToInt16(buf, offset += sizeof(short));
offset += sizeof(short);
var radY = (sbyte)buf[offset];
var qx = (sbyte)buf[offset + 1];
var qy = (sbyte)buf[offset + 2];
var qz = (sbyte)buf[offset + 3];
var qw = (sbyte)buf[offset + 4];
var time = BitConverter.ToDouble(buf, offset + 5);
MinimumAvatarPacket packet = new MinimumAvatarPacket(userId, new Vector3(x, y, z),
radY,
new Vector4(qx, qy, qz, qw), time);
if (packet.CheckRange())
{
packets.Add(packet);
}
}
return(packets);
}
}
return(null);
}
