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osu-lazer/osu.Game/Screens/Select/Carousel/CarouselBeatmap.cs
Dean Herbert 48287459a0 Optimise filters to avoid property retrieval
Also reduces number of instantiations of SearchableTerms array in the case of multiple criteria terms.
2019-12-05 01:52:22 +09:00

80 lines
3.3 KiB
C#

// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System;
using System.Collections.Generic;
using System.Linq;
using osu.Game.Beatmaps;
using osu.Game.Screens.Select.Filter;
namespace osu.Game.Screens.Select.Carousel
{
public class CarouselBeatmap : CarouselItem
{
public readonly BeatmapInfo Beatmap;
public CarouselBeatmap(BeatmapInfo beatmap)
{
Beatmap = beatmap;
State.Value = CarouselItemState.Collapsed;
}
protected override DrawableCarouselItem CreateDrawableRepresentation() => new DrawableCarouselBeatmap(this);
public override void Filter(FilterCriteria criteria)
{
base.Filter(criteria);
bool match =
criteria.Ruleset == null ||
Beatmap.RulesetID == criteria.Ruleset.ID ||
(Beatmap.RulesetID == 0 && criteria.Ruleset.ID > 0 && criteria.AllowConvertedBeatmaps);
match &= !criteria.StarDifficulty.HasFilter || criteria.StarDifficulty.IsInRange(Beatmap.StarDifficulty);
match &= !criteria.ApproachRate.HasFilter || criteria.ApproachRate.IsInRange(Beatmap.BaseDifficulty.ApproachRate);
match &= !criteria.DrainRate.HasFilter || criteria.DrainRate.IsInRange(Beatmap.BaseDifficulty.DrainRate);
match &= !criteria.CircleSize.HasFilter || criteria.CircleSize.IsInRange(Beatmap.BaseDifficulty.CircleSize);
match &= !criteria.Length.HasFilter || criteria.Length.IsInRange(Beatmap.Length);
match &= !criteria.BPM.HasFilter || criteria.BPM.IsInRange(Beatmap.BPM);
match &= !criteria.BeatDivisor.HasFilter || criteria.BeatDivisor.IsInRange(Beatmap.BeatDivisor);
match &= !criteria.OnlineStatus.HasFilter || criteria.OnlineStatus.IsInRange(Beatmap.Status);
match &= !criteria.Creator.HasFilter || criteria.Creator.Matches(Beatmap.Metadata.AuthorString);
match &= !criteria.Artist.HasFilter || criteria.Artist.Matches(Beatmap.Metadata.Artist) ||
criteria.Artist.Matches(Beatmap.Metadata.ArtistUnicode);
if (match)
{
var terms = new List<string>();
terms.AddRange(Beatmap.Metadata.SearchableTerms);
terms.Add(Beatmap.Version);
foreach (var criteriaTerm in criteria.SearchTerms)
match &= terms.Any(term => term.IndexOf(criteriaTerm, StringComparison.InvariantCultureIgnoreCase) >= 0);
}
Filtered.Value = !match;
}
public override int CompareTo(FilterCriteria criteria, CarouselItem other)
{
if (!(other is CarouselBeatmap otherBeatmap))
return base.CompareTo(criteria, other);
switch (criteria.Sort)
{
default:
case SortMode.Difficulty:
var ruleset = Beatmap.RulesetID.CompareTo(otherBeatmap.Beatmap.RulesetID);
if (ruleset != 0) return ruleset;
return Beatmap.StarDifficulty.CompareTo(otherBeatmap.Beatmap.StarDifficulty);
}
}
public override string ToString() => Beatmap.ToString();
}
}