/// <summary>
/// Sets this instance's AmiabilityLevel
/// </summary>
/// <param name="seed">Seed based on player and slice</param>
private void SetLevel(int seed)
{
uniformRandSeed = new SystemRandomSource(seed);
binomialRandSeed = new SystemRandomSource(seed); // Doesn't matter if it's the same seed
uniformDist = new DiscreteUniform(0, Enum.GetNames(typeof(AmiabilityLevel)).Length - 1, uniformRandSeed);
AmiabilityLevel = (AmiabilityLevel)uniformDist.Sample();
}
/// <summary>
/// Gets a list of amiability levels "centered" around the passed amiability level
/// </summary>
/// <param name="amiabilityLevel">Base amiability level</param>
/// <param name="quantity">How many levels are requested</param>
/// <returns></returns>
public List <AmiabilityLevel> GetBiasedAmiabilityList(AmiabilityLevel amiabilityLevel, int quantity)
{
int enumLen = Enum.GetNames(typeof(AmiabilityLevel)).Length;
int[] distArray = new int[quantity];
List <AmiabilityLevel> amiabilityList = new List <AmiabilityLevel>(quantity);
binomialDist = new Binomial(0.5d, enumLen - 1, binomialRandSeed);
binomialDist.Samples(distArray);
foreach (int value in distArray)
{
amiabilityList.Add((AmiabilityLevel)Math.Max(0, Math.Min(value + (int)amiabilityLevel - enumLen / 2, enumLen - 1)));
}
return(amiabilityList);
}
public static Tuple <double, double> GetDistributionAlphaBeta(AmiabilityLevel amiabilityLevel)
{
// Beta distribution shape params
double a = 0.0d;
double b = 0.0d;
switch (amiabilityLevel)
{
case AmiabilityLevel.HOSTILE:
a = 1.0d;
b = 100.0d;
break;
case AmiabilityLevel.UNFRIENDLY:
a = 1.5d;
b = 6.0d;
break;
case AmiabilityLevel.NEUTRAL:
a = 10.0d;
b = 10.0d;
break;
case AmiabilityLevel.FRIENDLY:
a = 2.0d;
b = 1.5d;
break;
case AmiabilityLevel.VERYFRIENDLY:
a = 5.0d;
b = 1.0d;
break;
default:
a = 0.0001d;
b = 1000.0d;
break;
}
return(Tuple.Create(a, b));
}
