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Code Issues Releases Wiki Activity

Reduce dictionary lookups

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This commit is contained in:
Dean Herbert 2020-04-11 17:08:07 +09:00
parent 310cf830d4
commit 7aac0e59a8
1 changed files with 7 additions and 7 deletions
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10
osu.Game/Screens/Select/DifficultyRecommender.cs
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@ -44,18 +44,18 @@ namespace osu.Game.Screens.Select
/// <returns>The recommended difficulty, or null if a recommendation could not be provided.</returns> /// <returns>The recommended difficulty, or null if a recommendation could not be provided.</returns>
public BeatmapInfo GetRecommendedBeatmap(IEnumerable<BeatmapInfo> beatmaps) public BeatmapInfo GetRecommendedBeatmap(IEnumerable<BeatmapInfo> beatmaps)
{ {
if (!recommendedStarDifficulty.ContainsKey(ruleset.Value)) if (recommendedStarDifficulty.TryGetValue(ruleset.Value, out var stars))
{ {
return null;
}
return beatmaps.OrderBy(b => return beatmaps.OrderBy(b =>
{ {
var difference = b.StarDifficulty - recommendedStarDifficulty[ruleset.Value]; var difference = b.StarDifficulty - stars;
return difference >= 0 ? difference * 2 : difference * -1; // prefer easier over harder return difference >= 0 ? difference * 2 : difference * -1; // prefer easier over harder
}).FirstOrDefault(); }).FirstOrDefault();
} }
return null;
}
private void calculateRecommendedDifficulties() private void calculateRecommendedDifficulties()
{ {
rulesets.AvailableRulesets.ForEach(rulesetInfo => rulesets.AvailableRulesets.ForEach(rulesetInfo =>