mirror of https://github.com/ppy/osu
75 lines
3.2 KiB
C#
75 lines
3.2 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 osuTK;
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using osu.Game.Beatmaps;
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using osu.Game.Rulesets.Objects;
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using osu.Game.Rulesets.Osu.Objects;
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using System.Collections.Generic;
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using osu.Game.Rulesets.Objects.Types;
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using System;
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using osu.Game.Rulesets.Osu.UI;
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using osu.Framework.Extensions.IEnumerableExtensions;
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namespace osu.Game.Rulesets.Osu.Beatmaps
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{
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public class OsuBeatmapConverter : BeatmapConverter<OsuHitObject>
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{
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public OsuBeatmapConverter(IBeatmap beatmap)
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: base(beatmap)
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{
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}
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protected override IEnumerable<Type> ValidConversionTypes { get; } = new[] { typeof(IHasPosition) };
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protected override IEnumerable<OsuHitObject> ConvertHitObject(HitObject original, IBeatmap beatmap)
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{
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var positionData = original as IHasPosition;
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var comboData = original as IHasCombo;
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switch (original)
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{
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case IHasCurve curveData:
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return new Slider
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{
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StartTime = original.StartTime,
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Samples = original.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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Position = positionData?.Position ?? Vector2.Zero,
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NewCombo = comboData?.NewCombo ?? false,
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ComboOffset = comboData?.ComboOffset ?? 0,
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LegacyLastTickOffset = (original as IHasLegacyLastTickOffset)?.LegacyLastTickOffset,
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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 / beatmap.ControlPointInfo.DifficultyPointAt(original.StartTime).SpeedMultiplier : 1
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}.Yield();
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case IHasEndTime endTimeData:
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return new Spinner
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{
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StartTime = original.StartTime,
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Samples = original.Samples,
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EndTime = endTimeData.EndTime,
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Position = positionData?.Position ?? OsuPlayfield.BASE_SIZE / 2,
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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 HitCircle
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{
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StartTime = original.StartTime,
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Samples = original.Samples,
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Position = positionData?.Position ?? Vector2.Zero,
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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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}
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}
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protected override Beatmap<OsuHitObject> CreateBeatmap() => new OsuBeatmap();
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}
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}
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