diff --git a/osu.Game/Screens/Edit/LegacyEditorBeatmapPatcher.cs b/osu.Game/Screens/Edit/LegacyEditorBeatmapPatcher.cs index 33f8cd5c78..ae7105ee34 100644 --- a/osu.Game/Screens/Edit/LegacyEditorBeatmapPatcher.cs +++ b/osu.Game/Screens/Edit/LegacyEditorBeatmapPatcher.cs @@ -5,6 +5,7 @@ using System; using System.Collections.Generic; +using System.Diagnostics; using System.IO; using System.Linq; using System.Text; @@ -15,7 +16,7 @@ using osu.Framework.Graphics.Textures; using osu.Game.Beatmaps; using osu.Game.Beatmaps.ControlPoints; using osu.Game.Beatmaps.Formats; -using osu.Game.Beatmaps.Legacy; +using osu.Game.Extensions; using osu.Game.IO; using osu.Game.Rulesets.Objects.Types; using osu.Game.Skinning; @@ -44,7 +45,7 @@ namespace osu.Game.Screens.Edit editorBeatmap.BeginChange(); processHitObjects(result, () => newBeatmap ??= readBeatmap(newState)); processTimingPoints(() => newBeatmap ??= readBeatmap(newState)); - processSliderVelocity(() => newBeatmap ??= readBeatmap(newState)); + processHitObjectLocalData(() => newBeatmap ??= readBeatmap(newState)); editorBeatmap.EndChange(); } @@ -74,17 +75,6 @@ namespace osu.Game.Screens.Edit } } - private void processSliderVelocity(Func getNewBeatmap) - { - var legacyControlPoints = (LegacyControlPointInfo)getNewBeatmap().ControlPointInfo; - - foreach (var hitObject in editorBeatmap.HitObjects.Where(ho => ho is IHasSliderVelocity)) - { - var difficultyPoint = legacyControlPoints.DifficultyPointAt(hitObject.StartTime); - ((IHasSliderVelocity)hitObject).SliderVelocity = difficultyPoint.SliderVelocity; - } - } - private void processHitObjects(DiffResult result, Func getNewBeatmap) { findChangedIndices(result, LegacyDecoder.Section.HitObjects, out var removedIndices, out var addedIndices); @@ -101,6 +91,36 @@ namespace osu.Game.Screens.Edit } } + private void processHitObjectLocalData(Func getNewBeatmap) + { + // This method handles data that are stored in control points in the legacy format, + // but were moved to the hitobjects themselves in lazer. + // Specifically, the data being referred to here consists of: slider velocity and sample information. + + // For simplicity, this implementation relies on the editor beatmap already having the same hitobjects in sequence as the new beatmap. + // To guarantee that, `processHitObjects()` must be ran prior to this method for correct operation. + // This is done to avoid the necessity of reimplementing/reusing parts of LegacyBeatmapDecoder that already treat this data correctly. + + var oldObjects = editorBeatmap.HitObjects; + var newObjects = getNewBeatmap().HitObjects; + + Debug.Assert(oldObjects.Count == newObjects.Count); + + foreach (var (oldObject, newObject) in oldObjects.Zip(newObjects)) + { + if (oldObject is IHasSliderVelocity oldWithVelocity && newObject is IHasSliderVelocity newWithVelocity) + oldWithVelocity.SliderVelocity = newWithVelocity.SliderVelocity; + + oldObject.Samples = newObject.Samples; + + if (oldObject is IHasRepeats oldWithRepeats && newObject is IHasRepeats newWithRepeats) + { + oldWithRepeats.NodeSamples.Clear(); + oldWithRepeats.NodeSamples.AddRange(newWithRepeats.NodeSamples); + } + } + } + private void findChangedIndices(DiffResult result, LegacyDecoder.Section section, out List removedIndices, out List addedIndices) { removedIndices = new List();