osu/osu.Game.Rulesets.Catch/Beatmaps/CatchBeatmapConverter.cs
2023-12-05 15:10:03 +09:00

78 lines
3.4 KiB
C#

// 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 osu.Game.Beatmaps;
using osu.Game.Rulesets.Catch.Objects;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using osu.Game.Rulesets.Objects.Types;
using osu.Game.Rulesets.Objects;
using osu.Framework.Extensions.IEnumerableExtensions;
using osu.Game.Beatmaps.Legacy;
namespace osu.Game.Rulesets.Catch.Beatmaps
{
public class CatchBeatmapConverter : BeatmapConverter<CatchHitObject>
{
public CatchBeatmapConverter(IBeatmap beatmap, Ruleset ruleset)
: base(beatmap, ruleset)
{
}
public override bool CanConvert() => Beatmap.HitObjects.All(h => h is IHasXPosition);
protected override IEnumerable<CatchHitObject> ConvertHitObject(HitObject obj, IBeatmap beatmap, CancellationToken cancellationToken)
{
var xPositionData = obj as IHasXPosition;
var yPositionData = obj as IHasYPosition;
var comboData = obj as IHasCombo;
var sliderVelocityData = obj as IHasSliderVelocity;
switch (obj)
{
case IHasPathWithRepeats curveData:
return new JuiceStream
{
StartTime = obj.StartTime,
Samples = obj.Samples,
Path = curveData.Path,
NodeSamples = curveData.NodeSamples,
RepeatCount = curveData.RepeatCount,
X = xPositionData?.X ?? 0,
NewCombo = comboData?.NewCombo ?? false,
ComboOffset = comboData?.ComboOffset ?? 0,
LegacyConvertedY = yPositionData?.Y ?? CatchHitObject.DEFAULT_LEGACY_CONVERT_Y,
// prior to v8, speed multipliers don't adjust for how many ticks are generated over the same distance.
// this results in more (or less) ticks being generated in <v8 maps for the same time duration.
TickDistanceMultiplier = beatmap.BeatmapInfo.BeatmapVersion < 8 ? 1 : ((LegacyControlPointInfo)beatmap.ControlPointInfo).DifficultyPointAt(obj.StartTime).SliderVelocity,
SliderVelocityMultiplier = sliderVelocityData?.SliderVelocityMultiplier ?? 1
}.Yield();
case IHasDuration endTime:
return new BananaShower
{
StartTime = obj.StartTime,
Samples = obj.Samples,
Duration = endTime.Duration,
NewCombo = comboData?.NewCombo ?? false,
ComboOffset = comboData?.ComboOffset ?? 0,
}.Yield();
default:
return new Fruit
{
StartTime = obj.StartTime,
Samples = obj.Samples,
NewCombo = comboData?.NewCombo ?? false,
ComboOffset = comboData?.ComboOffset ?? 0,
X = xPositionData?.X ?? 0,
LegacyConvertedY = yPositionData?.Y ?? CatchHitObject.DEFAULT_LEGACY_CONVERT_Y
}.Yield();
}
}
protected override Beatmap<CatchHitObject> CreateBeatmap() => new CatchBeatmap();
}
}