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Add function of computing position range occupied by hit objects

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This commit is contained in:
ekrctb 2021-07-21 15:36:34 +09:00
parent 1bff4373b3
commit 60f876511d
2 changed files with 72 additions and 0 deletions
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39
osu.Game.Rulesets.Catch/Edit/CatchHitObjectUtils.cs
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@ -1,7 +1,10 @@
// 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.Catch.Objects;
using osu.Game.Rulesets.Catch.UI;
using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.UI.Scrolling;
using osuTK;
@ -20,5 +23,41 @@ namespace osu.Game.Rulesets.Catch.Edit
{
return new Vector2(hitObject.OriginalX, hitObjectContainer.PositionAtTime(hitObject.StartTime));
}
/// <summary>
/// Get the range of horizontal position occupied by the hit object.
/// </summary>
/// <remarks>
/// <see cref="TinyDroplet"/>s are excluded and returns <see cref="PositionRange.EMPTY"/>.
/// </remarks>
public static PositionRange GetPositionRange(HitObject hitObject)
{
switch (hitObject)
{
case Fruit fruit:
return new PositionRange(fruit.OriginalX);
case Droplet droplet:
return droplet is TinyDroplet ? PositionRange.EMPTY : new PositionRange(droplet.OriginalX);
case JuiceStream _:
return GetPositionRange(hitObject.NestedHitObjects);
case BananaShower _:
// A banana shower occupies the whole screen width.
return new PositionRange(0, CatchPlayfield.WIDTH);
default:
return PositionRange.EMPTY;
}
}
/// <summary>
/// Get the range of horizontal position occupied by the hit objects.
/// </summary>
/// <remarks>
/// <see cref="TinyDroplet"/>s are excluded.
/// </remarks>
public static PositionRange GetPositionRange(IEnumerable<HitObject> hitObjects) => hitObjects.Select(GetPositionRange).Aggregate(PositionRange.EMPTY, PositionRange.Union);
}
}

33
osu.Game.Rulesets.Catch/Edit/PositionRange.cs Normal file
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@ -0,0 +1,33 @@
// 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;
#nullable enable
namespace osu.Game.Rulesets.Catch.Edit
{
/// <summary>
/// Represents a closed interval of horizontal positions in the playfield.
/// </summary>
public readonly struct PositionRange
{
public readonly float Min;
public readonly float Max;
public PositionRange(float value)
: this(value, value)
{
}
public PositionRange(float min, float max)
{
Min = min;
Max = max;
}
public static PositionRange Union(PositionRange a, PositionRange b) => new PositionRange(Math.Min(a.Min, b.Min), Math.Max(a.Max, b.Max));
public static readonly PositionRange EMPTY = new PositionRange(float.PositiveInfinity, float.NegativeInfinity);
}
}