// один пакет с одним совпадением на детекторах 1 и 2, всё остальное по нулям
public static PETCoincidencePacket[] CreateUnitCoincidencePacket()
{
var coinc = new PETCoincidence();
coinc.Position1 = 1;
coinc.Position2 = 2;
coinc.Flags = 13;
coinc.XPlus1 = 5;
coinc.XMinus1 = 6;
coinc.YPlus1 = 7;
coinc.YMinus1 = 8;
coinc.XPlus2 = 9;
coinc.XMinus2 = 10;
coinc.YPlus2 = 11;
coinc.YMinus2 = 12;
coinc.Timestamp = 255;
var packet = new PETCoincidencePacket();
packet.Flags = 63;
packet.ItemCount = 1;
packet.Coincidences = new PETCoincidence[1];
packet.Coincidences[0] = coinc;
return(new PETCoincidencePacket[] { packet });
}
public static PETCoincidencePacket[] PackCoincidencesToList(PETCoincidence[] coincidences, int CoincPerPacket)
{
var res = new List <PETCoincidencePacket>();
int num = coincidences.Length;
int i = 0;
while (i < num)
{
// сколько совпадений в этом пакете (не более CoincPerPacket, но в конце меньше)
int cnt = Math.Min(num - i, CoincPerPacket);
// начинаем новый пакет
var p = new PETCoincidencePacket();
p.ItemCount = (byte)cnt;
p.Flags = 0;
p.Coincidences = new PETCoincidence[cnt];
for (int j = 0; j < cnt; j++)
{
p.Coincidences[j] = coincidences[i + j];
}
i += CoincPerPacket;
res.Add(p);
}
return(res.ToArray());
}
public static PETCoincidencePacket[] CreateRandomCoincidencePackets(int NumPackets)
{
var res = new PETCoincidencePacket[NumPackets];
var rnd = new System.Random();
// Generate random coincidences and pack the to packets
for (int i = 0; i < NumPackets; i++)
{
res[i] = PETCoincidencePacket.RandomPacket(rnd);
}
return(res);
}
public bool CompareTo(PETCoincidencePacket p)
{
if ((p.ItemCount != ItemCount) || (p.Flags != Flags))
{
return(false);
}
for (int i = 0; i < ItemCount; i++)
{
if (!this.Coincidences[i].CompareTo(p.Coincidences[i]))
{
return(false);
}
}
return(true);
}
//static int ItemSize = PETCoincidence.Size; //Marshal.SizeOf(typeof(PETCoincidence));
public static PETCoincidencePacket RandomPacket(System.Random rnd = null)
{
var res = new PETCoincidencePacket();
var r = (rnd == null) ? new System.Random() : rnd;
res.Flags = (byte)r.Next();
res.ItemCount = (byte)r.Next(1, 10);
res.Coincidences = new PETCoincidence[res.ItemCount];
for (int i = 0; i < res.ItemCount; i++)
{
res.Coincidences[i] = PETCoincidence.RandomCoincidence(rnd);
}
return(res);
}
/// <summary>
/// Decode byte[] array to a list of Coincidence[]
/// </summary>
public static PETCoincidencePacket[] DecodeArray(int NumPackets, int Offset, byte[] Src, bool UseSizeInfo = false)
{
int Ofs = 0;
var res = new PETCoincidencePacket[NumPackets];
for (int i = 0; i < NumPackets; i++)
{
if (UseSizeInfo)
{
// skip two bytes
Ofs += 2;
}
var pack = new PETCoincidencePacket();
pack.FromBytes(Offset + Ofs, Src);
res[i] = pack;
Ofs += pack.GetSize();
}
return(res);
}
