public void ReadFromStream(IPacketCodec content)
{
EntityId = content.ReadVarInt();
var delta = new Vector3d {
X = content.ReadInt16(), Y = content.ReadInt16(), Z = content.ReadInt16()
};
delta *= 0.000244140625 /* 1/4096 */;
Delta = delta;
OnGround = content.ReadBoolean();
}