/// <summary>
/// Retrieve the winning amount for an outcome containing the
/// specified number of the specified symbol.
/// </summary>
public int GetWinnings(Enums.WheelSymbol symbol, int count)
{
WheelSymbolCount entry = new WheelSymbolCount(symbol, count);
if (!_winningsSettings.ContainsKey(entry))
{
return(0);
}
return(_winningsSettings[entry]);
}
/// <summary>
/// Update the winnings entry corresponding to the specified wheel symbols.
/// </summary>
private void UpdateItem(WheelSymbolCount wsCount, int newWinnings)
{
ItemViewModelWinningsEntry entry = new ItemViewModelWinningsEntry(wsCount, newWinnings);
for (int index = 0; index < _winList.Count; index++)
{
if (_winList[index].Equals(entry))
{
// We found the matching entry, so update it by deleting
// and re-inserting with the updated winnings amount.
_winList.RemoveAt(index);
_winList.Insert(index, entry);
return;
}
}
}
/// <summary>
/// Set the winning amount for an outcome containing the
/// specified number of the specified symbol.
/// </summary>
public void SetWinnings(Enums.WheelSymbol symbol, int count, int winAmount)
{
if (count < 1 || winAmount < 0)
{
throw new ArgumentException(nameof(SetWinnings));
}
WheelSymbolCount entry = new WheelSymbolCount(symbol, count);
if (!_winningsSettings.ContainsKey(entry))
{
_winningsSettings.Add(entry, winAmount);
}
else
{
_winningsSettings[entry] = winAmount;
}
OnPropertyChanged(nameof(WinningsSettings));
}
/// <summary>
/// Calculate the probability for an outcome containing
/// the specified number of the specified symbol.
/// </summary>
public double ProbabilityForSymbolCount(WheelSymbolCount wsCount)
{
double probability = 1.0;
int probabilityPercent = _logicProbabilitySetup.GetProbability(wsCount.Symbol);
// Probability for symbol to appear "count" times
for (int i = 0; i < wsCount.Count; i++)
{
probability = probability * (probabilityPercent * 1.0) / 100.0;
}
// Probability for symbol NOT to appear in rest of symbols
for (int i = 0; i < Configuration.Constants.NoOfWheels - wsCount.Count; i++)
{
probability = probability * ((100 - probabilityPercent) * 1.0) / 100.0;
}
// Multiply by number of ways this outcome can appear
probability = probability * Combinations(Configuration.Constants.NoOfWheels, wsCount.Count);
return(probability);
}
public ItemViewModelWinningsEntry(WheelSymbolCount wsCount, int winAmount)
{
_wsCount = wsCount;
_winAmount = winAmount;
}