private CategorisedEpisode EvaluateCategories(CategoricalAxis axis, Episode episode)
{
var key = Tuple.Create(episode, axis);
Enum[] categories;
if (!_evaluateCache.TryGetValue(key, out categories))
{
categories = CategoricalAxisEvaluator.Evaluate(axis, episode.World, episode.Hero).ToArray();
_evaluateCache[key] = categories;
}
return(new CategorisedEpisode {
Episode = episode,
Categories = categories,
});
}
private static List <DataPoint> EpisodesToDataPoints(List <Episode> episodes)
{
return(episodes.AsParallel().Select(episode => new DataPoint {
Episode = episode,
Class = (byte)episode.Tactic,
Weight = (float)episode.Weight,
Attributes =
EnumUtils.GetEnumValues <ContinuousAxis>()
.Select(axis => (float)ContinuousAxisEvaluator.Evaluate(axis, episode.World, episode.Hero))
.ToArray(),
Categories =
EnumUtils.GetEnumValues <CategoricalAxis>()
.Select(axis => PolicyHelper.CategoriesToBits(CategoricalAxisEvaluator.Evaluate(axis, episode.World, episode.Hero)))
.ToArray(),
}).ToList());
}