2018-04-13 09:19:50 +00:00
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// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
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// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
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using System.Collections.Generic;
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using System.Linq;
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using osu.Game.Rulesets.Mania.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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/// Creates a pattern containing hit objects.
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/// </summary>
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internal class Pattern
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{
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private readonly List<ManiaHitObject> hitObjects = new List<ManiaHitObject>();
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/// <summary>
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/// All the hit objects contained in this pattern.
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/// </summary>
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public IEnumerable<ManiaHitObject> HitObjects => hitObjects;
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/// <summary>
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/// Check whether a column of this patterns contains a hit object.
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/// </summary>
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/// <param name="column">The column index.</param>
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/// <returns>Whether the column with index <paramref name="column"/> contains a hit object.</returns>
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public bool ColumnHasObject(int column) => hitObjects.Exists(h => h.Column == column);
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/// <summary>
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/// Amount of columns taken up by hit objects in this pattern.
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/// </summary>
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public int ColumnWithObjects => HitObjects.GroupBy(h => h.Column).Count();
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/// <summary>
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/// Adds a hit object to this pattern.
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/// </summary>
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/// <param name="hitObject">The hit object to add.</param>
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public void Add(ManiaHitObject hitObject) => hitObjects.Add(hitObject);
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/// <summary>
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/// Copies hit object from another pattern to this one.
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/// </summary>
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/// <param name="other">The other pattern.</param>
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public void Add(Pattern other) => hitObjects.AddRange(other.HitObjects);
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/// <summary>
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/// Clears this pattern, removing all hit objects.
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/// </summary>
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public void Clear() => hitObjects.Clear();
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/// <summary>
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/// Removes a hit object from this pattern.
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/// </summary>
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/// <param name="hitObject">The hit object to remove.</param>
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public bool Remove(ManiaHitObject hitObject) => hitObjects.Remove(hitObject);
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}
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}
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