private List <Die> ParseDie(string notation)
{
// Parse the notation and find valid dice and any attributes
List <Die> parsed = new List <Die>();
string pattern = notationPatterns[PatternType.Notation];
MatchCollection notationMatches;
notationMatches = Regex.Matches(notation, pattern);
for (int i = 0; i < notationMatches.Count; ++i)
{
Match notationMatch = notationMatches[i];
// Number of times to roll the die
int quantity = 1;
if (notationMatch.Groups[2].Length > 0 && int.TryParse(notationMatch.Groups[2].Value, out int temp))
{
quantity = temp;
}
// How many sides the die has
int sides = 0;
string sidesString = "";
if (int.TryParse(notationMatch.Groups[3].Value, out temp))
{
sides = temp;
}
else
{
sidesString = notationMatch.Groups[3].Value;
}
// If the number of sides was not a number it must been a fudge die (or a percentage, but we'll check that later)
bool fudge = false;
string fudgeString = "";
if (sidesString.Length > 0)
{
fudge = Regex.IsMatch(sidesString, notationPatterns[PatternType.Fudge]);
if (fudge)
{
fudgeString = Regex.Match(sidesString, notationPatterns[PatternType.Fudge]).Groups[0].Value;
}
}
// Whether to explode the dice rolls
bool explode = notationMatch.Groups[5].Length > 0;
// Whether to penetrate the dice rolls
bool penetrate = new string[] { "!p", "!!p" }.Contains(notationMatch.Groups[5].Value);
// Whether to compound exploding dice rolls
bool compound = new string[] { "!!", "!!p" }.Contains(notationMatch.Groups[5].Value);
// The compare point for exploding/penetrating dice
ComparePoint comparePoint = new ComparePoint();
if (notationMatch.Groups[6].Length > 0)
{
comparePoint.Operator = notationMatch.Groups[6].Value;
if (!int.TryParse(notationMatch.Groups[7].Value, out comparePoint.Value))
{
comparePoint.Value = 0;
}
}
else if (explode)
{
comparePoint.Operator = "=";
comparePoint.Value = fudge ? 1 : ((sidesString == "%") ? 100 : sides);
}
parsed.Add(new Die()
{
Quantity = quantity,
Sides = sides,
SidesString = sidesString,
Fudge = fudge,
FudgeString = fudgeString,
Explode = explode,
Penetrate = penetrate,
Compound = compound,
ComparePoint = comparePoint
});
}
return(parsed);
}
/// <summary>
/// Check whether value matches the given compare point
/// </summary>
/// <param name="comparePoint"></param>
/// <param name="value"></param>
/// <returns></returns>
private bool IsComparePoint(ComparePoint comparePoint, int value)
{
return(comparePoint.Operator != null?CompareNumbers(value, comparePoint.Value, comparePoint.Operator) : false);
}