osu/osu.Game.Rulesets.Catch/Edit/CatchHitObjectUtils.cs

64 lines
2.4 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.Catch.Objects;
using osu.Game.Rulesets.Catch.UI;
using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.UI.Scrolling;
using osuTK;
namespace osu.Game.Rulesets.Catch.Edit
{
/// <summary>
/// Utility functions used by the editor.
/// </summary>
public static class CatchHitObjectUtils
{
/// <summary>
/// Get the position of the hit object in the playfield based on <see cref="CatchHitObject.OriginalX"/> and <see cref="HitObject.StartTime"/>.
/// </summary>
public static Vector2 GetStartPosition(ScrollingHitObjectContainer hitObjectContainer, CatchHitObject hitObject)
{
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);
}
}