public Cup FindNextLowerOrGreatest(int a_cupNumber, Cup a_removedCups)
{
Dictionary <int, Cup> removed = new Dictionary <int, Cup>();
while (a_removedCups != null)
{
removed.Add(a_removedCups.Number, a_removedCups);
a_removedCups = a_removedCups.Next;
}
int nextLower = a_cupNumber - 1;
while (nextLower >= 1 && removed.ContainsKey(nextLower))
{
nextLower = nextLower - 1;
}
if (nextLower != 0)
{
return(m_cups[nextLower]);
}
int greatest = m_maxNummer;
while (greatest >= 1 && removed.ContainsKey(greatest))
{
greatest = greatest - 1;
}
if (greatest != 0)
{
return(m_cups[greatest]);
}
return(null);
}
public void InsertCups(Cup a_insertAfter, Cup a_cupsToInsert)
{
var lastCup = a_cupsToInsert;
while (lastCup.Next != null)
{
lastCup = lastCup.Next;
}
lastCup.Next = a_insertAfter.Next;
a_insertAfter.Next = a_cupsToInsert;
}
public static Ring Create(string a_line, int a_fillUpTo)
{
var ring = new Ring();
int maxNummer = 0;
var cups = new List <Cup>();
foreach (var strNum in a_line.ToCharArray())
{
if (!int.TryParse($"{strNum}", out var nummer))
{
return(null);
}
if (nummer > maxNummer)
{
maxNummer = nummer;
}
var newCup = new Cup(nummer);
cups.Add(newCup);
ring.m_cups.Add(nummer, newCup);
}
for (int additional = maxNummer + 1; additional <= a_fillUpTo; additional++)
{
var newCup = new Cup(additional);
cups.Add(newCup);
ring.m_cups.Add(additional, newCup);
}
if (a_fillUpTo > maxNummer)
{
ring.m_maxNummer = a_fillUpTo;
}
else
{
ring.m_maxNummer = maxNummer;
}
for (int i = 0; i < cups.Count; i++)
{
if (i != cups.Count - 1)
{
cups[i].Next = cups[i + 1];
}
else
{
cups[i].Next = cups[0];
}
}
ring.CurrentCup = cups[0];
return(ring);
}
public void StepToNext()
{
CurrentCup = CurrentCup.Next;
}