private Wallet DenormalizeInternal(int copper, Coin.Types preferredType = Coin.Types.Gold)
{
int platinum = ConvertIfPreferred(copper, Coin.Types.Copper, Coin.Types.Platinum, preferredType, out copper);
int gold = ConvertIfPreferred(copper, Coin.Types.Copper, Coin.Types.Gold, preferredType, out copper);
int silver = ConvertIfPreferred(copper, Coin.Types.Copper, Coin.Types.Silver, preferredType, out copper);
return(new Wallet(platinum, gold, silver, copper));
}
public int ConvertIfPreferred(int sourceAmount, Coin.Types sourceType, Coin.Types targetType, Coin.Types preferredType, out int remainderAmount)
{
if (targetType != preferredType && Coin.IsHigher(targetType, preferredType))
{
remainderAmount = sourceAmount;
return(0);
}
else
{
return(Convert(sourceAmount, sourceType, targetType, out remainderAmount));
}
}
public int Convert(int sourceAmount, Coin.Types sourceType, Coin.Types targetType, out int remainderAmount)
{
if (sourceType == targetType)
{
remainderAmount = 0;
return(sourceAmount);
}
double conversionRate = Coin.GetConversionRate(sourceType, targetType);
if (conversionRate < 1)
{
remainderAmount = (int)(sourceAmount % (1d / conversionRate));
return((int)Math.Floor(sourceAmount / (1d / conversionRate)));
}
else
{
remainderAmount = 0;
return((int)(sourceAmount * conversionRate));
}
}
public Wallet Denormalize(int?copper, Coin.Types preferredType = Coin.Types.Gold)
{
return(copper == null
? new Wallet(0, 0, 0, 0)
: DenormalizeInternal(copper.Value, preferredType));
}
