mirror of https://github.com/ppy/osu
88 lines
3.3 KiB
C#
88 lines
3.3 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 System.Linq;
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using osu.Game.Beatmaps;
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using osu.Game.Rulesets.Catch.Beatmaps;
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using osu.Game.Rulesets.Catch.Objects;
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using osu.Game.Rulesets.Mods;
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using osu.Game.Rulesets.Catch.UI;
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using osu.Game.Rulesets.Objects;
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using osuTK;
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namespace osu.Game.Rulesets.Catch.Mods
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{
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public class CatchModMirror : ModMirror, IApplicableToBeatmap
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{
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public override string Description => "Fruits are flipped horizontally.";
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/// <remarks>
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/// <see cref="IApplicableToBeatmap"/> is used instead of <see cref="IApplicableToHitObject"/>,
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/// as <see cref="CatchBeatmapProcessor"/> applies offsets in <see cref="CatchBeatmapProcessor.PostProcess"/>.
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/// <see cref="IApplicableToBeatmap"/> runs after post-processing, while <see cref="IApplicableToHitObject"/> runs before it.
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/// </remarks>
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public void ApplyToBeatmap(IBeatmap beatmap)
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{
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foreach (var hitObject in beatmap.HitObjects)
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applyToHitObject(hitObject);
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}
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private void applyToHitObject(HitObject hitObject)
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{
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var catchObject = (CatchHitObject)hitObject;
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switch (catchObject)
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{
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case Fruit fruit:
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mirrorEffectiveX(fruit);
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break;
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case JuiceStream juiceStream:
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mirrorEffectiveX(juiceStream);
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mirrorJuiceStreamPath(juiceStream);
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break;
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case BananaShower bananaShower:
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mirrorBananaShower(bananaShower);
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break;
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}
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}
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/// <summary>
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/// Mirrors the effective X position of <paramref name="catchObject"/> and its nested hit objects.
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/// </summary>
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private static void mirrorEffectiveX(CatchHitObject catchObject)
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{
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catchObject.OriginalX = CatchPlayfield.WIDTH - catchObject.OriginalX;
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catchObject.XOffset = -catchObject.XOffset;
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foreach (var nested in catchObject.NestedHitObjects.Cast<CatchHitObject>())
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{
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nested.OriginalX = CatchPlayfield.WIDTH - nested.OriginalX;
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nested.XOffset = -nested.XOffset;
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}
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}
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/// <summary>
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/// Mirrors the path of the <paramref name="juiceStream"/>.
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/// </summary>
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private static void mirrorJuiceStreamPath(JuiceStream juiceStream)
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{
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var controlPoints = juiceStream.Path.ControlPoints.Select(p => new PathControlPoint(p.Position, p.Type)).ToArray();
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foreach (var point in controlPoints)
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point.Position = new Vector2(-point.Position.X, point.Position.Y);
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juiceStream.Path = new SliderPath(controlPoints, juiceStream.Path.ExpectedDistance.Value);
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}
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/// <summary>
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/// Mirrors X positions of all bananas in the <paramref name="bananaShower"/>.
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/// </summary>
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private static void mirrorBananaShower(BananaShower bananaShower)
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{
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foreach (var banana in bananaShower.NestedHitObjects.OfType<Banana>())
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banana.XOffset = CatchPlayfield.WIDTH - banana.XOffset;
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}
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}
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}
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