/// <summary>
/// Sets the percent of a culture in the population group equal to the desired value.
/// It will take shares from all others proportionally.
/// </summary>
/// <param name="cult">The political group we are setting.</param>
/// <param name="percent">The percent we are setting it to.</param>
public void SetCulturePercent(Culture cult, double percent)
{
if (percent <= 0 || percent > 1)
{
throw new ArgumentOutOfRangeException("Percent must be greater than 0 or less than or equal to 1.");
}
if (!CultureBreakdown.Any(x => x.CultureId == cult.Id))
{
CultureBreakdown.Add(new CultureBreakdown
{
ParentId = Id,
Percent = 0,
CultureId = cult.Id
});
}
double oldPercent = CultureBreakdown
.Single(x => x.CultureId == cult.Id)
.Percent;
double add = (oldPercent - percent) / (percent - 1);
CultureBreakdown
.Single(x => x.CultureId == cult.Id)
.Percent += add;
var newSum = CulPercent();
foreach (var group in CultureBreakdown)
{
group.Percent = group.Percent / newSum;
}
}
public void ShiftCulturePercent(Culture cult, double percent)
{
if (!CultureBreakdown.Any(x => x.CultureId == cult.Id))
{
CultureBreakdown.Add(new CultureBreakdown
{
ParentId = Id,
Percent = 0,
CultureId = cult.Id
});
}
CultureBreakdown.Single(x => x.CultureId == cult.Id)
.Percent += percent;
var newSum = CulPercent();
foreach (var cul in CultureBreakdown)
{
cul.Percent = cul.Percent / newSum;
}
}
private double CulPercent()
{
return(CultureBreakdown.Sum(x => x.Percent));
}
