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Merge pull request #18531 from peppy/track-groups-better

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Improve group tracking logic to avoid switching which point type unnecessarily
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Dan Balasescu 2022-06-03 13:04:54 +09:00 committed by GitHub
commit dd93fc283b
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1 changed files with 17 additions and 3 deletions
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20
osu.Game/Screens/Edit/Timing/TimingScreen.cs
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@ -1,6 +1,7 @@
// 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.Linq;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
@ -146,6 +147,8 @@ namespace osu.Game.Screens.Edit.Timing
trackActivePoint();
}
private Type trackedType;
/// <summary>
/// Given the user has selected a control point group, we want to track any group which is
/// active at the current point in time which matches the type the user has selected.
@ -156,16 +159,27 @@ namespace osu.Game.Screens.Edit.Timing
private void trackActivePoint()
{
// For simplicity only match on the first type of the active control point.
var selectedPointType = selectedGroup.Value?.ControlPoints.FirstOrDefault()?.GetType();
if (selectedGroup.Value == null)
trackedType = null;
else
{
// If the selected group only has one control point, update the tracking type.
if (selectedGroup.Value.ControlPoints.Count == 1)
trackedType = selectedGroup.Value?.ControlPoints.Single().GetType();
// If the selected group has more than one control point, choose the first as the tracking type
// if we don't already have a singular tracked type.
else if (trackedType == null)
trackedType = selectedGroup.Value?.ControlPoints.FirstOrDefault()?.GetType();
}
if (selectedPointType != null)
if (trackedType != null)
{
// We don't have an efficient way of looking up groups currently, only individual point types.
// To improve the efficiency of this in the future, we should reconsider the overall structure of ControlPointInfo.
// Find the next group which has the same type as the selected one.
var found = Beatmap.ControlPointInfo.Groups
.Where(g => g.ControlPoints.Any(cp => cp.GetType() == selectedPointType))
.Where(g => g.ControlPoints.Any(cp => cp.GetType() == trackedType))
.LastOrDefault(g => g.Time <= clock.CurrentTimeAccurate);
if (found != null)