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osu-lazer/osu.Game.Rulesets.Catch/Beatmaps/CatchBeatmapConverter.cs

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// 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.
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using osu.Game.Beatmaps;
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using osu.Game.Rulesets.Catch.Objects;
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using System.Collections.Generic;
using System.Linq;
using System.Threading;
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using osu.Game.Rulesets.Objects.Types;
using osu.Game.Rulesets.Objects;
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using osu.Framework.Extensions.IEnumerableExtensions;
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namespace osu.Game.Rulesets.Catch.Beatmaps
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{
public class CatchBeatmapConverter : BeatmapConverter<CatchHitObject>
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{
public CatchBeatmapConverter(IBeatmap beatmap, Ruleset ruleset)
: base(beatmap, ruleset)
{
}
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public override bool CanConvert() => Beatmap.HitObjects.All(h => h is IHasXPosition);
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protected override IEnumerable<CatchHitObject> ConvertHitObject(HitObject obj, IBeatmap beatmap, CancellationToken cancellationToken)
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{
var xPositionData = obj as IHasXPosition;
var yPositionData = obj as IHasYPosition;
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var comboData = obj as IHasCombo;
var sliderVelocityData = obj as IHasSliderVelocity;
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switch (obj)
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{
case IHasPathWithRepeats curveData:
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return new JuiceStream
{
StartTime = obj.StartTime,
Samples = obj.Samples,
Path = curveData.Path,
NodeSamples = curveData.NodeSamples,
RepeatCount = curveData.RepeatCount,
X = xPositionData?.X ?? 0,
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NewCombo = comboData?.NewCombo ?? false,
ComboOffset = comboData?.ComboOffset ?? 0,
LegacyLastTickOffset = (obj as IHasLegacyLastTickOffset)?.LegacyLastTickOffset ?? 0,
LegacyConvertedY = yPositionData?.Y ?? CatchHitObject.DEFAULT_LEGACY_CONVERT_Y,
SliderVelocityMultiplier = sliderVelocityData?.SliderVelocityMultiplier ?? 1
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}.Yield();
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case IHasDuration endTime:
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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
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}.Yield();
}
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}
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protected override Beatmap<CatchHitObject> CreateBeatmap() => new CatchBeatmap();
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}
}