public void Swap(int index1, int index2)
{
Marble temp = _marbles[index1];
_marbles[index1] = _marbles[index2];
_marbles[index2] = temp;
}
public void SortByPosition()
{
Marble thisMarble = null;
// Find west most marble
for (int i = 0; i < _marbles.Count; ++i)
{
if (_marbles[i].PreviousMarble == null)
{
thisMarble = _marbles[i];
break;
}
}
_marbles.Clear();
while (thisMarble != null)
{
_marbles.Add(thisMarble);
thisMarble = thisMarble.NextMarble;
}
}
public Tube(string filename)
{
Filename = filename;
if (File.Exists(Filename))
{
_marbles = new List <Marble>();
StreamReader reader = File.OpenText(Filename);
string line;
int marbleIndex = 0;
bool checkNum = false;
bool setCheckMarble = false;
while ((line = reader.ReadLine()) != null)
{
string delimiters = "" + Constants.WestDelimiter + Constants.EastDelimiter +
Constants.CheckDelimiter + Constants.CheckDistanceDelimiter;
string[] parts = Regex.Split(line, @"([" + delimiters + @"])");
double p;
bool firstNumber = true;
Marble thisMarble = null;
foreach (string part in parts)
{
if (double.TryParse(part, out p))
{
if (firstNumber)
{
_length = (UInt64)(p * Constants.DistanceMultiplier);
firstNumber = false;
}
else if (checkNum)
{
_checkMarble = (int)p - 1;
checkNum = false;
}
else if (setCheckMarble)
{
_marbles[_checkMarble].TravelDistanceMillimeters = p;
_marbles[_checkMarble].RecordDistance = true;
setCheckMarble = false;
}
else
{
thisMarble.Position = (UInt64)(p * Constants.DistanceMultiplier);
_marbles.Add(thisMarble);
if (marbleIndex > 0)
{
thisMarble.PreviousMarble = _marbles[marbleIndex - 1];
thisMarble.PreviousMarble.NextMarble = thisMarble;
}
marbleIndex++;
}
}
else
{
switch (part[0])
{
case Constants.CheckDelimiter:
checkNum = true;
break;
case Constants.CheckDistanceDelimiter:
setCheckMarble = true;
break;
case Constants.WestDelimiter:
thisMarble = new Marble(0, true);
break;
case Constants.EastDelimiter:
thisMarble = new Marble(0, false);
break;
}
}
}
}
reader.Close();
}
else
{
Console.Write("ERROR: Filename " + Filename + " does not exist!");
}
Console.WriteLine("^ Total Marbles:" + _marbles.Count + " " + DateTime.Now);
}
private static int CompareMarblesByDistanceTraveled(Marble a, Marble b)
{
return((int)(a.TravelDistance - b.TravelDistance));
}