public PackedFrame PackWithZeros(SignalMap map)
{
var count = this.signals.Max(cfv => map.BySignal(cfv.type, cfv.name));
var pf = new PackedFrame(dstid, srcid, new VarInt[count + 2], map);
pf.payload[0] = 1;
pf.payload[1] = count;
for (var i = 2u; i < pf.payload.Length; i++)
{
var mapping = map.ByID(i - 1);
pf.payload[i] = signals.FirstOrDefault(s => s.type == mapping.type && s.name == mapping.name).count;
}
return(pf);
}
public PackedFrame Pack(SignalMap map)
{
var sigs = signals.Select(s => new { signal = s, id = map.BySignal(s.type, s.name) }).Where(s => s.id != 0).OrderBy(s => s.id).ToArray();
VarInt lastid = UInt32.MaxValue;
VarInt first_in_segment = UInt32.MaxValue;
VarInt sigs_in_segment = 0u;
List <VarInt> segment_data = new List <VarInt>();
IEnumerable <VarInt> payload_data = Enumerable.Empty <VarInt>();
foreach (var item in sigs)
{
if (item.id == lastid + 1)
{
// just add the value and increment both counters
sigs_in_segment++;
segment_data.Add(item.signal.count);
}
else
{
if (lastid != UInt32.MaxValue)
{
// write out first in segment, count, data[]
payload_data = payload_data.Concat(new[] { first_in_segment, sigs_in_segment }).Concat(segment_data);
}
// reset counters...
first_in_segment = item.id;
sigs_in_segment = 1;
segment_data = new List <VarInt>();
segment_data.Add(item.signal.count);
}
lastid = item.id;
}
//last segment...
payload_data = payload_data.Concat(new[] { first_in_segment, sigs_in_segment }).Concat(segment_data);
return(new PackedFrame(dstid, srcid, payload_data.ToArray(), map));
}