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Select recommended difficulty

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This commit is contained in:
Endrik Tombak
2020-03-26 00:19:54 +02:00
parent 1587d4b26f
commit 2f5dc93d61
3 changed files with 42 additions and 6 deletions
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28
osu.Game/Screens/Select/Carousel/CarouselBeatmapSet.cs
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@ -4,19 +4,23 @@
using System;
using System.Collections.Generic;
using System.Linq;
using osu.Framework.Bindables;
using osu.Framework.Extensions.IEnumerableExtensions;
using osu.Game.Beatmaps;
using osu.Game.Screens.Select.Filter;
using osu.Game.Users;
namespace osu.Game.Screens.Select.Carousel
{
public class CarouselBeatmapSet : CarouselGroupEagerSelect
{
private readonly Bindable<User> localUser;
public IEnumerable<CarouselBeatmap> Beatmaps => InternalChildren.OfType<CarouselBeatmap>();
public BeatmapSetInfo BeatmapSet;
public CarouselBeatmapSet(BeatmapSetInfo beatmapSet)
public CarouselBeatmapSet(BeatmapSetInfo beatmapSet, Bindable<User> localUser)
{
BeatmapSet = beatmapSet ?? throw new ArgumentNullException(nameof(beatmapSet));
@ -24,10 +28,32 @@ namespace osu.Game.Screens.Select.Carousel
.Where(b => !b.Hidden)
.Select(b => new CarouselBeatmap(b))
.ForEach(AddChild);
this.localUser = localUser;
}
protected override DrawableCarouselItem CreateDrawableRepresentation() => new DrawableCarouselBeatmapSet(this);
protected override CarouselItem GetNextToSelect()
{
if (LastSelected == null)
{
decimal? pp = localUser.Value?.Statistics?.PP ?? 60; // TODO: This needs to get ruleset specific statistics
var recommendedDifficulty = Math.Pow((double)pp, 0.4) * 0.195;
return Children.OfType<CarouselBeatmap>()
.Where(b => !b.Filtered.Value)
.OrderBy(b =>
{
var difference = b.Beatmap.StarDifficulty - recommendedDifficulty;
return difference >= 0 ? difference * 2 : difference * -1; // prefer easier over harder
})
.FirstOrDefault();
}
return base.GetNextToSelect();
}
public override int CompareTo(FilterCriteria criteria, CarouselItem other)
{
if (!(other is CarouselBeatmapSet otherSet))