//dummy method to get random watchers
private Watcher[] randomizeWatchers()
{
Random r = new Random();
int noPax = r.Next(1, 11);
Watcher[] lst = new Watcher[noPax];
Watcher w;
for (int i = 0; i < noPax; i++)
{
w = new Watcher();
w.age = (uint)r.Next(1, 101);
if (w.age <= 12)
{
w.ageGroup = AgeBracket.Child;
}
else if (w.age <= 21)
{
w.ageGroup = AgeBracket.YoungAdult;
}
else if (w.age <= 50)
{
w.ageGroup = AgeBracket.Adult;
}
else
{
w.ageGroup = AgeBracket.Senior;
}
w.gender = r.Next(0, 2) == 0 ? Gender.Male : Gender.Female;
int m = r.Next(0, 6);
switch (m)
{
case 1:
w.mood = Mood.VeryUnhappy;
break;
case 2:
w.mood = Mood.Unhappy;
break;
case 3:
w.mood = Mood.Neutral;
break;
case 4:
w.mood = Mood.Happy;
break;
case 5:
w.mood = Mood.VeryHappy;
break;
default:
w.mood = Mood.Undetermined;
break;
}
lst[i] = w;
}
return(lst);
}
//FIELD SIZE(byte)
//X_Position 2
//Y_Position 2
//Width 2
//Height 2
//Est Dist 2
//WatcherID 4
//Status 4
//Gender 1
//Age Bracket 1
//Age value 1
//Extra features 2
private void processMotionMsg()
{
byte[] readByte = new byte[1];
byte[] readShort = new byte[2];
byte[] readInt = new byte[4];
//watcher info
uint status, watcherID, age;
AgeBracket ageBracket;
Gender gender;
Watcher watcher;
ushort m;
vidiSocket.Receive(readShort); //x position not needed
vidiSocket.Receive(readShort); //y position not needed
vidiSocket.Receive(readShort); //width not needed
vidiSocket.Receive(readShort); //height not needed
vidiSocket.Receive(readShort); //est dist not needed
vidiSocket.Receive(readInt);
watcherID = BitConverter.ToUInt32(readInt, 0);
vidiSocket.Receive(readInt);
status = BitConverter.ToUInt32(readInt, 0);
vidiSocket.Receive(readByte);
if (readByte[0] == 0x01)
{
gender = Gender.Male;
}
else if (readByte[0] == 0x02)
{
gender = Gender.Female;
}
else
{
gender = Gender.Unknown;
}
vidiSocket.Receive(readByte);
if (readByte[0] == 0x01)
{
ageBracket = AgeBracket.Child;
}
else if (readByte[0] == 0x02)
{
ageBracket = AgeBracket.YoungAdult;
}
else if (readByte[0] == 0x03)
{
ageBracket = AgeBracket.Adult;
}
else if (readByte[0] == 0x04)
{
ageBracket = AgeBracket.Senior;
}
else
{
ageBracket = AgeBracket.Unknown;
}
vidiSocket.Receive(readByte);
age = readByte[0];
//extra features
vidiSocket.Receive(readShort);
m = BitConverter.ToUInt16(readShort, 0);
Mood mood = Mood.Undetermined;
//shift the bits to extract the mood portion
//if do not cast to short, c# by default uses int
switch (((ushort)(m << 5)) >> 13)
{
case 1:
mood = Mood.VeryUnhappy;
break;
case 2:
mood = Mood.Unhappy;
break;
case 3:
mood = Mood.Neutral;
break;
case 4:
mood = Mood.Happy;
break;
case 5:
mood = Mood.VeryHappy;
break;
}
//Console.WriteLine("Watcher " + watcherID + " status: " + status);
if ((status & DEAD_FLAG) == DEAD_FLAG)
{
Console.WriteLine("Watcher " + watcherID + " exited..");
//watcher exited, remove from list
_watchers.TryRemove(watcherID, out watcher);
}
else
{
//Console.WriteLine("Watcher " + watcherID + " validated..");
watcher = new Watcher()
{
age = age, ageGroup = ageBracket, gender = gender, mood = mood
};
_watchers.AddOrUpdate(watcherID, watcher, (key, existWatcher) => {
//watcher exist, update values
existWatcher.age = watcher.age;
existWatcher.ageGroup = watcher.ageGroup;
existWatcher.gender = watcher.gender;
existWatcher.mood = watcher.mood;
return(existWatcher);
});
}
}
