// Get our score in terms of number of stars.
// Generally rounds down
public static int CalcScoreStars(PartyState state, List <IRequirement> requirements)
{
var scorePercentage = CalcScorePercentage(state, requirements);
// Take the score as a percentage (ex: 0.8)
// Add epsilon to account for floating point error (Ex: 0.999 should be 1.x). Important because we floor the value later
// Multiply by the max score (0.8 * 3 = 2.4)
// Floor it to get the number of stars (2.4 => 2)
int total = (int)Math.Floor((scorePercentage + float.Epsilon) * MaxScoreStars);
return(total);
}
// Returns a list of feedback strings
public static List <string> GetFeedbackStrings(PartyState state, List <IRequirement> requirements)
{
var reqContext = new RequirementContext()
{
partyState = state
};
var feedback = new List <String>();
for (int i = 0; i < requirements.Count; ++i)
{
var req = requirements[i];
if (!req.IsMet(reqContext))
{
feedback.Add(req.FeedbackMessage);
}
}
return(feedback);
}
// Returns a number between 0 and 1, representing the percentage score accomplished by the state passed in
// Total point value is determined by the combined value of all requirements
public static float CalcScorePercentage(PartyState state, List <IRequirement> requirements)
{
var reqContext = new RequirementContext()
{
partyState = state
};
int maxScore = 0;
int evalScore = 0;
for (int i = 0; i < requirements.Count; ++i)
{
var req = requirements[i];
maxScore += req.Value;
if (req.IsMet(reqContext))
{
evalScore += req.Value;
}
}
return((float)evalScore / maxScore);
}