/// <summary>
/// Parses the specified dice expression and converts it into a
/// Dice instance to perform oprations on.
/// </summary>
/// <param name="expression">String expression to parse</param>
/// <param name="config">Dice config to tell whether this result will be bounded or unbounded</param>
/// <param name="dieRoller">Die roller to use</param>
/// <returns>Dice result</returns>
public DiceResult Parse(string expression, DiceConfiguration config, IDieRoller dieRoller)
{
this.config = config;
// first clean up expression
expression = this.CorrectExpression(expression);
// then break the expression down into tokens.
List <string> tokens = this.Tokenize(expression);
// finally parse and evaluate the expression tokens
return(this.ParseLogic(expression, tokens, dieRoller));
}
/// <summary>
/// Initializes a new instance of the <see cref="DiceResult"/> class.
/// </summary>
/// <param name="expression">dice expression rolled</param>
/// <param name="value">calculated value of the results</param>
/// <param name="results">List for results for each term in dice expression</param>
/// <param name="rollerUsed">Define die roller used to get the results</param>
/// <param name="config">Dice config to tell whether this result will be bounded or unbounded</param>
public DiceResult(string expression, int value, List <TermResult> results, string rollerUsed, DiceConfiguration config)
{
this.DiceExpression = expression;
this.DieRollerUsed = rollerUsed;
this.Results = results.ToList();
bool boundedResult = expression.Contains(FudgeDiceIdentifier) ? false : config.HasBoundedResult;
this.Value = boundedResult ? Math.Max(value, config.BoundedResultMinimum) : value;
}
/// <summary>
/// Initializes a new instance of the <see cref="DiceResult"/> class.
/// </summary>
/// <param name="expression">dice expression rolled</param>
/// <param name="results">List for results for each term in dice expression</param>
/// <param name="rollerUsed">Define die roller used to get the results</param>
/// <param name="config">Dice config to tell whether this result will be bounded or unbounded</param>
public DiceResult(string expression, List <TermResult> results, string rollerUsed, DiceConfiguration config)
: this(expression, results.Sum(r => (int)Math.Round(r.AppliesToResultCalculation ? r.Value * r.Scalar : 0)), results, rollerUsed, config)
{
}
