mirror of https://github.com/ppy/osu
52 lines
1.7 KiB
C#
52 lines
1.7 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;
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using System.Collections.Generic;
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using osu.Game.Rulesets.Objects;
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namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns
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{
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/// <summary>
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/// Generator to create a pattern <see cref="Pattern"/> from a hit object.
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/// </summary>
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internal abstract class PatternGenerator
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{
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/// <summary>
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/// The last pattern.
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/// </summary>
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protected readonly Pattern PreviousPattern;
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/// <summary>
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/// The hit object to create the pattern for.
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/// </summary>
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protected readonly HitObject HitObject;
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/// <summary>
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/// The beatmap which <see cref="HitObject"/> is a part of.
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/// </summary>
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protected readonly ManiaBeatmap Beatmap;
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protected readonly int TotalColumns;
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protected PatternGenerator(HitObject hitObject, ManiaBeatmap beatmap, Pattern previousPattern)
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{
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if (hitObject == null) throw new ArgumentNullException(nameof(hitObject));
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if (beatmap == null) throw new ArgumentNullException(nameof(beatmap));
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if (previousPattern == null) throw new ArgumentNullException(nameof(previousPattern));
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HitObject = hitObject;
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Beatmap = beatmap;
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PreviousPattern = previousPattern;
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TotalColumns = Beatmap.TotalColumns;
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}
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/// <summary>
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/// Generates the patterns for <see cref="HitObject"/>, each filled with hit objects.
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/// </summary>
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/// <returns>The <see cref="Pattern"/>s containing the hit objects.</returns>
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public abstract IEnumerable<Pattern> Generate();
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}
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}
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