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osu-lazer/osu.Game.Rulesets.Mania/Beatmaps/Patterns/Pattern.cs
2019-01-24 17:43:03 +09:00

58 lines
2.1 KiB
C#

// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System.Collections.Generic;
using System.Linq;
using osu.Game.Rulesets.Mania.Objects;
namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns
{
/// <summary>
/// Creates a pattern containing hit objects.
/// </summary>
internal class Pattern
{
private readonly List<ManiaHitObject> hitObjects = new List<ManiaHitObject>();
/// <summary>
/// All the hit objects contained in this pattern.
/// </summary>
public IEnumerable<ManiaHitObject> HitObjects => hitObjects;
/// <summary>
/// Check whether a column of this patterns contains a hit object.
/// </summary>
/// <param name="column">The column index.</param>
/// <returns>Whether the column with index <paramref name="column"/> contains a hit object.</returns>
public bool ColumnHasObject(int column) => hitObjects.Exists(h => h.Column == column);
/// <summary>
/// Amount of columns taken up by hit objects in this pattern.
/// </summary>
public int ColumnWithObjects => HitObjects.GroupBy(h => h.Column).Count();
/// <summary>
/// Adds a hit object to this pattern.
/// </summary>
/// <param name="hitObject">The hit object to add.</param>
public void Add(ManiaHitObject hitObject) => hitObjects.Add(hitObject);
/// <summary>
/// Copies hit object from another pattern to this one.
/// </summary>
/// <param name="other">The other pattern.</param>
public void Add(Pattern other) => hitObjects.AddRange(other.HitObjects);
/// <summary>
/// Clears this pattern, removing all hit objects.
/// </summary>
public void Clear() => hitObjects.Clear();
/// <summary>
/// Removes a hit object from this pattern.
/// </summary>
/// <param name="hitObject">The hit object to remove.</param>
public bool Remove(ManiaHitObject hitObject) => hitObjects.Remove(hitObject);
}
}