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34 changes: 34 additions & 0 deletions
34
osu.Game.Rulesets.IGPlayer/Feature/Gosumemory/Tracker/AbstractTracker.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| using osu.Framework.Allocation; | ||
| using osu.Framework.Graphics; | ||
| using osu.Framework.Graphics.Containers; | ||
| using osu.Framework.Timing; | ||
| using osu.Game.Graphics.Sprites; | ||
|
|
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| namespace osu.Game.Rulesets.IGPlayer.Feature.Gosumemory.Tracker; | ||
|
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| public partial class AbstractTracker : CompositeDrawable | ||
| { | ||
| protected TrackerHub Hub { get; private set; } | ||
|
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| public AbstractTracker(TrackerHub hub) | ||
| { | ||
| this.Hub = hub; | ||
| AlwaysPresent = true; | ||
|
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| InternalChild = new OsuSpriteText | ||
| { | ||
| Text = $"{this}", | ||
| Margin = new MarginPadding(30) | ||
| }; | ||
| } | ||
|
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| [BackgroundDependencyLoader] | ||
| private void load() | ||
| { | ||
| this.Clock = new FramedClock(null, false); | ||
| } | ||
|
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| public virtual void UpdateValues() | ||
| { | ||
| } | ||
| } |
156 changes: 156 additions & 0 deletions
156
osu.Game.Rulesets.IGPlayer/Feature/Gosumemory/Tracker/BeatmapStrainTracker.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,156 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.IO; | ||
| using System.Linq; | ||
| using System.Threading; | ||
| using System.Threading.Tasks; | ||
| using osu.Framework.Allocation; | ||
| using osu.Framework.Bindables; | ||
| using osu.Framework.Extensions; | ||
| using osu.Framework.Logging; | ||
| using osu.Game.Beatmaps; | ||
| using osu.Game.Rulesets.Objects; | ||
|
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| namespace osu.Game.Rulesets.IGPlayer.Feature.Gosumemory.Tracker; | ||
|
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| /// <summary> | ||
| /// 计算pp/密度表 | ||
| /// </summary> | ||
| public partial class BeatmapStrainTracker : AbstractTracker | ||
| { | ||
| public BeatmapStrainTracker(TrackerHub hub) | ||
| : base(hub) | ||
| { | ||
| } | ||
|
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| private double invokeTime = 0d; | ||
| private WorkingBeatmap? beatmapOnInvoke; | ||
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| private CancellationTokenSource? ppStrainCancellationTokenSource; | ||
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| private bool scheduleStrainComputes; | ||
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| private readonly Bindable<WorkingBeatmap> working = new Bindable<WorkingBeatmap>(); | ||
|
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| [BackgroundDependencyLoader] | ||
| private void load(Bindable<WorkingBeatmap> globalWorking) | ||
| { | ||
| this.working.BindTo(globalWorking); | ||
| } | ||
|
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| protected override void LoadComplete() | ||
| { | ||
| base.LoadComplete(); | ||
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| working.BindValueChanged(e => | ||
| { | ||
| this.UpdateStrain(e.NewValue); | ||
| }); | ||
| } | ||
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| protected override void Update() | ||
| { | ||
| if (scheduleStrainComputes && beatmapOnInvoke == working.Value) | ||
| UpdateStrain(this.working.Value); | ||
| } | ||
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| public void UpdateStrain(WorkingBeatmap workingBeatmap) | ||
| { | ||
| this.invokeTime = Clock.CurrentTime; | ||
| beatmapOnInvoke = workingBeatmap; | ||
| scheduleStrainComputes = false; | ||
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| ppStrainCancellationTokenSource?.Cancel(); | ||
| ppStrainCancellationTokenSource = new CancellationTokenSource(); | ||
|
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| Task.Run(async () => await updateStrain(workingBeatmap), ppStrainCancellationTokenSource.Token) | ||
| .ContinueWith(task => | ||
| { | ||
| if (!task.IsCompleted) return; | ||
|
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| if (task.Exception != null) | ||
| { | ||
| Logging.LogError(task.Exception, "Error occurred while updating strain"); | ||
| return; | ||
| } | ||
|
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| this.Schedule(() => | ||
| { | ||
| float[] result = task.GetResultSafely(); | ||
| Hub.GetDataRoot().MenuValues.pp.Strains = result; | ||
| }); | ||
| }); | ||
| } | ||
|
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| private Task<float[]> updateStrain(WorkingBeatmap workingBeatmap) | ||
| { | ||
| try | ||
| { | ||
| double length = workingBeatmap.Track.Length; | ||
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| //WorkingBeatmap.TrackLoaded: true + WorkingBeatmap.Track.IsLoaded: false -> Track Length: 0 | ||
| if (length <= 0) | ||
| { | ||
| //持续5秒都没有音频，可能已经损坏，清空分布 | ||
| //todo: 没有音频的时候使用谱面长度来计算并更新分布和进度 | ||
| if (Clock.CurrentTime - invokeTime >= 10 * 1000) | ||
| { | ||
| Hub.GetDataRoot().MenuValues.pp.Strains = new[] { 0f }; | ||
|
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| Logger.Log("谱面音频在10秒内都没有加载，将放弃计算物件分布...", level: LogLevel.Important); | ||
| return Task.FromResult(new[] { 0f }); | ||
| } | ||
|
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| scheduleStrainComputes = true; | ||
| return Task.FromResult(new [] { 0f }); | ||
| } | ||
|
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| scheduleStrainComputes = false; | ||
|
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| // 最大分段数和密度缩放 | ||
| int maximumSegments = 512; | ||
| double segmentScale = 1; | ||
|
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| // 根据歌曲长度分段，总共分为 (歌曲总时间(秒) * segScale) 段 | ||
| int targetSegments = (int)(TimeSpan.FromMilliseconds(length).TotalSeconds * segmentScale); | ||
|
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| // 限制最大分段数量 | ||
| targetSegments = Math.Min(maximumSegments, targetSegments); | ||
| if (targetSegments <= 0) targetSegments = 1; | ||
|
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| // 尝试自动转谱 | ||
| var converter = workingBeatmap.BeatmapInfo.Ruleset.CreateInstance().CreateBeatmapConverter(workingBeatmap.Beatmap); | ||
| IBeatmap? beatmap = null; | ||
|
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| //Logger.Log($"Track length: {length} ~ Segments {targetSegments} ~ Conv? {converter.CanConvert()} ~ Loaded? {workingBeatmap.Track.IsLoaded} ~ Track? {workingBeatmap.Track}"); | ||
| if (converter.CanConvert()) beatmap = converter.Convert(); | ||
| var hitObjects = beatmap?.HitObjects ?? new HitObject[] { }; | ||
|
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| //获取每段的音频跨度 | ||
| double audioStep = length / targetSegments; | ||
|
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| //Segment -> Count | ||
| var segments = new Dictionary<int, float>(); | ||
|
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| for (int i = 0; i < targetSegments; i++) | ||
| { | ||
| //此段的音频跨度 | ||
| double startTime = i * audioStep; | ||
| double endTime = (1 + i) * audioStep; | ||
|
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| //将跨度内的所有物件添加进来 | ||
| //o -> [startTime, endTime) | ||
| int count = hitObjects.Count(o => o.StartTime < endTime && o.StartTime >= startTime); | ||
|
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| segments.TryAdd(i, count); | ||
| } | ||
|
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| //最后将其返回 | ||
| return Task.FromResult(segments.Values.ToArray()); | ||
| } | ||
| catch (Exception e) | ||
| { | ||
| return Task.FromException<float[]>(e); | ||
| } | ||
| } | ||
| } |
38 changes: 38 additions & 0 deletions
38
osu.Game.Rulesets.IGPlayer/Feature/Gosumemory/Tracker/BeatmapTracker.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| using osu.Framework.Allocation; | ||
| using osu.Framework.Bindables; | ||
| using osu.Framework.Logging; | ||
| using osu.Game.Beatmaps; | ||
|
|
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| namespace osu.Game.Rulesets.IGPlayer.Feature.Gosumemory.Tracker; | ||
|
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| public partial class BeatmapTracker : AbstractTracker | ||
| { | ||
| public BeatmapTracker(TrackerHub hub) | ||
| : base(hub) | ||
| { | ||
| } | ||
|
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| private readonly Bindable<WorkingBeatmap> beatmap = new Bindable<WorkingBeatmap>(); | ||
|
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| [BackgroundDependencyLoader] | ||
| private void load(Bindable<WorkingBeatmap> globalBeatmap) | ||
| { | ||
| this.beatmap.BindTo(globalBeatmap); | ||
| } | ||
|
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| protected override void LoadComplete() | ||
| { | ||
| Logger.Log("DDDLOADCOMPLETE"); | ||
| base.LoadComplete(); | ||
|
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| this.beatmap.BindValueChanged(e => | ||
| { | ||
| this.onBeatmapChanged(e.NewValue); | ||
| }, true); | ||
| } | ||
|
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| private void onBeatmapChanged(WorkingBeatmap newBeatmap) | ||
| { | ||
| Hub.GetDataRoot().UpdateBeatmap(newBeatmap); | ||
| } | ||
| } |
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