public decimal CalculateProbability()
{
var successfulSides = _target.GetModifiedSuccessfulSides(_die.TotalSides, _modifier).ToArray();
var rerollSides = _rerollOptions.GetRerollSides(_die, _target).ToArray();
var initialSuccessfulSides = successfulSides.Except(rerollSides);
var baseProbability = _die.CalculateProbability(initialSuccessfulSides.Count());
var rerollProbability = _rerollOptions.CalculateProbability(_die, _target, _modifier);
return(baseProbability + rerollProbability);
}
public decimal CalculateProbability(Die die, IRollTarget target, IRollModifier modifier)
{
return(die.CalculateProbability(1) * die.CalculateProbability(target.GetModifiedSuccessfulSides(die.TotalSides, modifier).Count()));
}
public decimal CalculateProbability(Die die, IRollTarget target, IRollModifier modifier)
{
var failures = die.TotalSides - target.GetSuccessfulSides(die.TotalSides).Count();
return(die.CalculateProbability(failures) * die.CalculateProbability(target.GetModifiedSuccessfulSides(die.TotalSides, modifier).Count()));
}
