/// <summary>
/// Rate all possible matches for a single relation
/// </summary>
/// <param name="relation">The relation to find matches for</param>
/// <param name="traits">References to the trait values used by relations</param>
/// <param name="member1Ratings">Match ratings for the first member</param>
/// <param name="member2Ratings">Match ratings for the second member</param>
/// <param name="relationRatings">Output mapping of data pair to match rating</param>
/// <typeparam name="T">The data type the Relation uses</typeparam>
/// <returns>True if any matches were found, false otherwise</returns>
public static bool RateMatches <T>(IRelation <T> relation,
RelationTraitCache.ChildTraits <T> traits,
Dictionary <int, float> member1Ratings,
Dictionary <int, float> member2Ratings,
Dictionary <RelationDataPair, float> relationRatings)
{
relationRatings.Clear();
var child1TraitValues = traits.One;
var child2TraitValues = traits.Two;
foreach (var id1 in member1Ratings.Keys)
{
if (!child1TraitValues.TryGetValue(id1, out var value1))
{
continue;
}
foreach (var id2 in member2Ratings.Keys)
{
// matches for each child must have different IDs
if (id2 == id1)
{
continue;
}
// Both members must have the trait value present
if (!child2TraitValues.TryGetValue(id2, out var value2))
{
continue;
}
var relationRating = relation.RateDataMatch(ref value1, ref value2);
// if these two pieces of data did not match this relation, they cannot be used
if (relationRating <= 0f)
{
continue;
}
relationRatings.Add(new RelationDataPair(id1, id2), relationRating);
}
}
return(relationRatings.Count > 0);
}
/// <summary>
/// Collapses a relation's match rating into a pass/fail.
/// </summary>
/// <param name="relation">The relation to evaluate</param>
/// <param name="value">The data being filtered against</param>
/// <typeparam name="T">The type of data the relation uses</typeparam>
/// <returns>True if the given trait data passes the filter function, false otherwise</returns>
public static bool PassesRelation <T>(this IRelation <T> relation, ref T child1Value, ref T child2Value)
{
return(relation.RateDataMatch(ref child1Value, ref child2Value) > 0f);
}