/// <summary>
/// Initializes an instance of the <see cref="Shell" /> class.
/// </summary>
/// <param name="symbol">The unique symbol for the shell.</param>
/// <param name="electrons">The initial amount of electrons.</param>
public Shell(char symbol, int electrons)
{
Symbol = symbol;
EnergyLevel = Index + 1;
Subshell s = new Subshell(Symbol, 's', 2),
p = new Subshell(Symbol, 'p', 6),
d = new Subshell(Symbol, 'd', 10),
f = new Subshell(Symbol, 'f', 14);
Subshells = new List <Subshell> {
s
};
if ((Index >= 1) && (electrons > s.Capacity))
{
Subshells.Add(p);
}
if ((Index >= 2) && (electrons > p.Capacity))
{
Subshells.Add(d);
}
if ((Index >= 3) && (electrons > d.Capacity))
{
Subshells.Add(f);
}
}
/// <summary>
/// Populates the current <see cref="ShellConfiguration"/> instance.
/// </summary>
public void Populate()
{
int left = Element.Electrons;
for (var i = 0; i < ChemistryUtils.EnergyLevelConfiguration.Count; i++)
{
if (left == 0)
{
break;
}
KeyValuePair <char, char[]> pair = ChemistryUtils.EnergyLevelConfiguration.ToList()[i];
Shell shell = this[pair.Key];
for (int x = 0; x < pair.Value.Length; x++)
{
if (left == 0)
{
break;
}
Subshell subshell = shell[pair.Value[x]];
if (subshell.Electrons > 0)
{
continue;
}
if (left - subshell.Capacity < 0)
{
subshell.Populate(left);
left = 0;
}
else
{
subshell.Populate(subshell.Capacity);
left -= subshell.Capacity;
}
int stepsDown = x;
for (int z = 0; z < stepsDown; z++)
{
if (left == 0)
{
break;
}
Subshell diagonal = Shells.ToList()[i + z + 1].Subshells[x - (z + 1)];
if (left - diagonal.Capacity < 0)
{
diagonal.Populate(left);
left = 0;
}
else
{
diagonal.Populate(diagonal.Capacity);
left -= diagonal.Capacity;
}
}
}
}
foreach (var shell in Shells.ToArray())
{
foreach (var subshell in shell.Subshells.ToArray())
{
if (subshell.Electrons == 0)
{
shell.Subshells.Remove(subshell);
}
}
if (shell.Electrons == 0)
{
Shells.Remove(shell);
}
}
}