/// <summary>
/// Generates a single wheel symbol, using the current probability settings.
/// </summary>
public Enums.WheelSymbol GetWheelSymbol()
{
int percent = _randomGenerator.Next(100);
if (CacheContains(percent))
{
return(CacheLookup(percent));
}
int accumulatedProbability = 0;
foreach (Enums.WheelSymbol symbol in _enumSymbols)
{
accumulatedProbability += _logicProbabilitySetup.GetProbability(symbol);
if (accumulatedProbability > percent)
{
CacheInsert(percent, symbol);
return(symbol);
}
}
// Code will only reach this point if there is
// an error in the probability definitions.
throw new ArgumentException(nameof(GetWheelSymbol));
}
/// <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);
}