mirror of https://github.com/ppy/osu
51 lines
1.5 KiB
C#
51 lines
1.5 KiB
C#
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
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// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
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using System.Linq;
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using System.Collections.Generic;
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using System.Diagnostics;
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using osu.Game.Rulesets.Objects.Types;
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using osu.Game.Rulesets.Objects;
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namespace osu.Game.Screens.Play
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{
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public class SongProgressGraph : SquareGraph
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{
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private IEnumerable<HitObject> objects;
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public IEnumerable<HitObject> Objects
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{
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set
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{
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objects = value;
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const int granularity = 200;
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Values = new int[granularity];
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if (!objects.Any())
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return;
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var firstHit = objects.First().StartTime;
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var lastHit = objects.Max(o => (o as IHasEndTime)?.EndTime ?? o.StartTime);
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if (lastHit == 0)
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lastHit = objects.Last().StartTime;
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var interval = (lastHit - firstHit + 1) / granularity;
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foreach (var h in objects)
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{
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var endTime = (h as IHasEndTime)?.EndTime ?? h.StartTime;
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Debug.Assert(endTime >= h.StartTime);
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int startRange = (int)((h.StartTime - firstHit) / interval);
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int endRange = (int)((endTime - firstHit) / interval);
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for (int i = startRange; i <= endRange; i++)
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Values[i]++;
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}
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}
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}
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}
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}
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