mirror of https://github.com/ppy/osu
78 lines
3.4 KiB
C#
78 lines
3.4 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// 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;
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using System.Linq;
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using System.Threading;
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using osu.Game.Rulesets.Objects.Types;
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using osu.Game.Rulesets.Objects;
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using osu.Framework.Extensions.IEnumerableExtensions;
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using osu.Game.Beatmaps.Legacy;
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namespace osu.Game.Rulesets.Catch.Beatmaps
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{
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public class CatchBeatmapConverter : BeatmapConverter<CatchHitObject>
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{
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public CatchBeatmapConverter(IBeatmap beatmap, Ruleset ruleset)
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: base(beatmap, ruleset)
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{
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}
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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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{
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var xPositionData = obj as IHasXPosition;
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var yPositionData = obj as IHasYPosition;
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var comboData = obj as IHasCombo;
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var sliderVelocityData = obj as IHasSliderVelocity;
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switch (obj)
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{
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case IHasPathWithRepeats curveData:
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return new JuiceStream
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{
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StartTime = obj.StartTime,
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Samples = obj.Samples,
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Path = curveData.Path,
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NodeSamples = curveData.NodeSamples,
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RepeatCount = curveData.RepeatCount,
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X = xPositionData?.X ?? 0,
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NewCombo = comboData?.NewCombo ?? false,
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ComboOffset = comboData?.ComboOffset ?? 0,
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LegacyConvertedY = yPositionData?.Y ?? CatchHitObject.DEFAULT_LEGACY_CONVERT_Y,
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// prior to v8, speed multipliers don't adjust for how many ticks are generated over the same distance.
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// this results in more (or less) ticks being generated in <v8 maps for the same time duration.
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TickDistanceMultiplier = beatmap.BeatmapInfo.BeatmapVersion < 8 ? 1f / ((LegacyControlPointInfo)beatmap.ControlPointInfo).DifficultyPointAt(obj.StartTime).SliderVelocity : 1,
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SliderVelocityMultiplier = sliderVelocityData?.SliderVelocityMultiplier ?? 1
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}.Yield();
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case IHasDuration endTime:
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return new BananaShower
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{
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StartTime = obj.StartTime,
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Samples = obj.Samples,
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Duration = endTime.Duration,
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NewCombo = comboData?.NewCombo ?? false,
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ComboOffset = comboData?.ComboOffset ?? 0,
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}.Yield();
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default:
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return new Fruit
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{
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StartTime = obj.StartTime,
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Samples = obj.Samples,
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NewCombo = comboData?.NewCombo ?? false,
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ComboOffset = comboData?.ComboOffset ?? 0,
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X = xPositionData?.X ?? 0,
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LegacyConvertedY = yPositionData?.Y ?? CatchHitObject.DEFAULT_LEGACY_CONVERT_Y
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}.Yield();
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}
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}
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protected override Beatmap<CatchHitObject> CreateBeatmap() => new CatchBeatmap();
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}
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}
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