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Code Issues Releases Wiki Activity

Abstract out common implementation of BeatSnapGrid

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Dean Herbert 2023-10-17 16:42:36 +09:00
parent d26d4b8b79
commit 1b9acdf55c
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3 changed files with 216 additions and 357 deletions
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173
osu.Game.Rulesets.Catch/Edit/CatchBeatSnapGrid.cs
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@ -1,180 +1,19 @@
// 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;
using System.Collections.Generic;
using System.Linq;
using osu.Framework.Allocation;
using osu.Framework.Caching;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Shapes;
using osu.Game.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Game.Rulesets.Catch.UI;
using osu.Game.Rulesets.Edit;
using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.Objects.Drawables;
using osu.Game.Rulesets.UI.Scrolling;
using osu.Game.Screens.Edit;
using osuTK.Graphics;
using osu.Game.Screens.Edit.Compose.Components;
namespace osu.Game.Rulesets.Catch.Edit
{
/// <summary>
/// A grid which displays coloured beat divisor lines in proximity to the selection or placement cursor.
/// </summary>
/// <remarks>
/// This class heavily borrows from osu!mania's implementation (ManiaBeatSnapGrid).
/// If further changes are to be made, they should also be applied there.
/// If the scale of the changes are large enough, abstracting may be a good path.
/// </remarks>
public partial class CatchBeatSnapGrid : Component
public partial class CatchBeatSnapGrid : BeatSnapGrid
{
private const double visible_range = 750;
/// <summary>
/// The range of time values of the current selection.
/// </summary>
public (double start, double end)? SelectionTimeRange
protected override IEnumerable<Container> GetTargetContainers(HitObjectComposer composer) => new[]
{
set
{
if (value == selectionTimeRange)
return;
selectionTimeRange = value;
lineCache.Invalidate();
}
}
[Resolved]
private EditorBeatmap beatmap { get; set; } = null!;
[Resolved]
private OsuColour colours { get; set; } = null!;
[Resolved]
private BindableBeatDivisor beatDivisor { get; set; } = null!;
private readonly Cached lineCache = new Cached();
private (double start, double end)? selectionTimeRange;
private ScrollingHitObjectContainer lineContainer = null!;
[BackgroundDependencyLoader]
private void load(HitObjectComposer composer)
{
lineContainer = new ScrollingHitObjectContainer();
((CatchPlayfield)composer.Playfield).UnderlayElements.Add(lineContainer);
beatDivisor.BindValueChanged(_ => createLines(), true);
}
protected override void Update()
{
base.Update();
if (!lineCache.IsValid)
{
lineCache.Validate();
createLines();
}
}
private readonly Stack<DrawableGridLine> availableLines = new Stack<DrawableGridLine>();
private void createLines()
{
foreach (var line in lineContainer.Objects.OfType<DrawableGridLine>())
availableLines.Push(line);
lineContainer.Clear();
if (selectionTimeRange == null)
return;
var range = selectionTimeRange.Value;
var timingPoint = beatmap.ControlPointInfo.TimingPointAt(range.start - visible_range);
double time = timingPoint.Time;
int beat = 0;
// progress time until in the visible range.
while (time < range.start - visible_range)
{
time += timingPoint.BeatLength / beatDivisor.Value;
beat++;
}
while (time < range.end + visible_range)
{
var nextTimingPoint = beatmap.ControlPointInfo.TimingPointAt(time);
// switch to the next timing point if we have reached it.
if (nextTimingPoint.Time > timingPoint.Time)
{
beat = 0;
time = nextTimingPoint.Time;
timingPoint = nextTimingPoint;
}
Color4 colour = BindableBeatDivisor.GetColourFor(
BindableBeatDivisor.GetDivisorForBeatIndex(beat, beatDivisor.Value), colours);
if (!availableLines.TryPop(out var line))
line = new DrawableGridLine();
line.HitObject.StartTime = time;
line.Colour = colour;
lineContainer.Add(line);
beat++;
time += timingPoint.BeatLength / beatDivisor.Value;
}
// required to update ScrollingHitObjectContainer's cache.
lineContainer.UpdateSubTree();
foreach (var line in lineContainer.Objects.OfType<DrawableGridLine>())
{
time = line.HitObject.StartTime;
if (time >= range.start && time <= range.end)
line.Alpha = 1;
else
{
double timeSeparation = time < range.start ? range.start - time : time - range.end;
line.Alpha = (float)Math.Max(0, 1 - timeSeparation / visible_range);
}
}
}
private partial class DrawableGridLine : DrawableHitObject
{
public DrawableGridLine()
: base(new HitObject())
{
RelativeSizeAxes = Axes.X;
Height = 2;
AddInternal(new Box { RelativeSizeAxes = Axes.Both });
}
[BackgroundDependencyLoader]
private void load()
{
Origin = Anchor.BottomLeft;
Anchor = Anchor.BottomLeft;
}
protected override void UpdateInitialTransforms()
{
// don't perform any fading – we are handling that ourselves.
LifetimeEnd = HitObject.StartTime + visible_range;
}
}
((CatchPlayfield)composer.Playfield).UnderlayElements
};
}
}

197
osu.Game.Rulesets.Mania/Edit/ManiaBeatSnapGrid.cs
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@ -1,206 +1,23 @@
// 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;
using System.Collections.Generic;
using System.Linq;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Caching;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Pooling;
using osu.Framework.Graphics.Shapes;
using osu.Game.Graphics;
using osu.Game.Rulesets.Edit;
using osu.Game.Rulesets.Mania.UI;
using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.Objects.Drawables;
using osu.Game.Rulesets.UI.Scrolling;
using osu.Game.Screens.Edit;
using osuTK.Graphics;
using osu.Game.Screens.Edit.Compose.Components;
namespace osu.Game.Rulesets.Mania.Edit
{
/// <summary>
/// A grid which displays coloured beat divisor lines in proximity to the selection or placement cursor.
/// </summary>
public partial class ManiaBeatSnapGrid : CompositeComponent
public partial class ManiaBeatSnapGrid : BeatSnapGrid
{
private const double visible_range = 750;
/// <summary>
/// The range of time values of the current selection.
/// </summary>
public (double start, double end)? SelectionTimeRange
protected override IEnumerable<Container> GetTargetContainers(HitObjectComposer composer)
{
set
{
if (value == selectionTimeRange)
return;
selectionTimeRange = value;
lineCache.Invalidate();
}
}
[Resolved]
private EditorBeatmap beatmap { get; set; } = null!;
[Resolved]
private OsuColour colours { get; set; } = null!;
[Resolved]
private BindableBeatDivisor beatDivisor { get; set; } = null!;
private readonly List<ScrollingHitObjectContainer> grids = new List<ScrollingHitObjectContainer>();
private readonly DrawablePool<DrawableGridLine> linesPool = new DrawablePool<DrawableGridLine>(50);
private readonly Cached lineCache = new Cached();
private (double start, double end)? selectionTimeRange;
[BackgroundDependencyLoader]
private void load(HitObjectComposer composer)
{
AddInternal(linesPool);
foreach (var stage in ((ManiaPlayfield)composer.Playfield).Stages)
{
foreach (var column in stage.Columns)
{
var lineContainer = new ScrollingHitObjectContainer();
grids.Add(lineContainer);
column.UnderlayElements.Add(lineContainer);
}
}
beatDivisor.BindValueChanged(_ => createLines(), true);
}
protected override void Update()
{
base.Update();
if (!lineCache.IsValid)
{
lineCache.Validate();
createLines();
}
}
private void createLines()
{
foreach (var grid in grids)
grid.Clear();
if (selectionTimeRange == null)
return;
var range = selectionTimeRange.Value;
var timingPoint = beatmap.ControlPointInfo.TimingPointAt(range.start - visible_range);
double time = timingPoint.Time;
int beat = 0;
// progress time until in the visible range.
while (time < range.start - visible_range)
{
time += timingPoint.BeatLength / beatDivisor.Value;
beat++;
}
while (time < range.end + visible_range)
{
var nextTimingPoint = beatmap.ControlPointInfo.TimingPointAt(time);
// switch to the next timing point if we have reached it.
if (nextTimingPoint.Time > timingPoint.Time)
{
beat = 0;
time = nextTimingPoint.Time;
timingPoint = nextTimingPoint;
}
Color4 colour = BindableBeatDivisor.GetColourFor(
BindableBeatDivisor.GetDivisorForBeatIndex(beat, beatDivisor.Value), colours);
foreach (var grid in grids)
{
var line = linesPool.Get();
line.Apply(new HitObject
{
StartTime = time
});
line.Colour = colour;
grid.Add(line);
}
beat++;
time += timingPoint.BeatLength / beatDivisor.Value;
}
foreach (var grid in grids)
{
// required to update ScrollingHitObjectContainer's cache.
grid.UpdateSubTree();
foreach (var line in grid.Objects.OfType<DrawableGridLine>())
{
time = line.HitObject.StartTime;
if (time >= range.start && time <= range.end)
line.Alpha = 1;
else
{
double timeSeparation = time < range.start ? range.start - time : time - range.end;
line.Alpha = (float)Math.Max(0, 1 - timeSeparation / visible_range);
}
}
}
}
private partial class DrawableGridLine : DrawableHitObject
{
[Resolved]
private IScrollingInfo scrollingInfo { get; set; } = null!;
private readonly IBindable<ScrollingDirection> direction = new Bindable<ScrollingDirection>();
public DrawableGridLine()
: base(new HitObject())
{
RelativeSizeAxes = Axes.X;
Height = 2;
AddInternal(new Box { RelativeSizeAxes = Axes.Both });
}
[BackgroundDependencyLoader]
private void load()
{
direction.BindTo(scrollingInfo.Direction);
direction.BindValueChanged(onDirectionChanged, true);
}
private void onDirectionChanged(ValueChangedEvent<ScrollingDirection> direction)
{
Origin = Anchor = direction.NewValue == ScrollingDirection.Up
? Anchor.TopLeft
: Anchor.BottomLeft;
}
protected override void UpdateInitialTransforms()
{
// don't perform any fading – we are handling that ourselves.
LifetimeEnd = HitObject.StartTime + visible_range;
}
return ((ManiaPlayfield)composer.Playfield)
.Stages
.SelectMany(stage => stage.Columns)
.Select(column => column.UnderlayElements);
}
}
}

203
osu.Game/Screens/Edit/Compose/Components/BeatSnapGrid.cs Normal file
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@ -0,0 +1,203 @@
// 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;
using System.Collections.Generic;
using System.Linq;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Caching;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Pooling;
using osu.Framework.Graphics.Shapes;
using osu.Game.Graphics;
using osu.Game.Rulesets.Edit;
using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.Objects.Drawables;
using osu.Game.Rulesets.UI.Scrolling;
using osuTK.Graphics;
namespace osu.Game.Screens.Edit.Compose.Components
{
/// <summary>
/// A grid which displays coloured beat divisor lines in proximity to the selection or placement cursor.
/// </summary>
public abstract partial class BeatSnapGrid : CompositeComponent
{
private const double visible_range = 750;
/// <summary>
/// The range of time values of the current selection.
/// </summary>
public (double start, double end)? SelectionTimeRange
{
set
{
if (value == selectionTimeRange)
return;
selectionTimeRange = value;
lineCache.Invalidate();
}
}
[Resolved]
private EditorBeatmap beatmap { get; set; } = null!;
[Resolved]
private OsuColour colours { get; set; } = null!;
[Resolved]
private BindableBeatDivisor beatDivisor { get; set; } = null!;
private readonly List<ScrollingHitObjectContainer> grids = new List<ScrollingHitObjectContainer>();
private readonly DrawablePool<DrawableGridLine> linesPool = new DrawablePool<DrawableGridLine>(50);
private readonly Cached lineCache = new Cached();
private (double start, double end)? selectionTimeRange;
[BackgroundDependencyLoader]
private void load(HitObjectComposer composer)
{
AddInternal(linesPool);
foreach (var target in GetTargetContainers(composer))
{
var lineContainer = new ScrollingHitObjectContainer();
grids.Add(lineContainer);
target.Add(lineContainer);
}
beatDivisor.BindValueChanged(_ => createLines(), true);
}
protected abstract IEnumerable<Container> GetTargetContainers(HitObjectComposer composer);
protected override void Update()
{
base.Update();
if (!lineCache.IsValid)
{
lineCache.Validate();
createLines();
}
}
private void createLines()
{
foreach (var grid in grids)
grid.Clear();
if (selectionTimeRange == null)
return;
var range = selectionTimeRange.Value;
var timingPoint = beatmap.ControlPointInfo.TimingPointAt(range.start - visible_range);
double time = timingPoint.Time;
int beat = 0;
// progress time until in the visible range.
while (time < range.start - visible_range)
{
time += timingPoint.BeatLength / beatDivisor.Value;
beat++;
}
while (time < range.end + visible_range)
{
var nextTimingPoint = beatmap.ControlPointInfo.TimingPointAt(time);
// switch to the next timing point if we have reached it.
if (nextTimingPoint.Time > timingPoint.Time)
{
beat = 0;
time = nextTimingPoint.Time;
timingPoint = nextTimingPoint;
}
Color4 colour = BindableBeatDivisor.GetColourFor(
BindableBeatDivisor.GetDivisorForBeatIndex(beat, beatDivisor.Value), colours);
foreach (var grid in grids)
{
var line = linesPool.Get();
line.Apply(new HitObject
{
StartTime = time
});
line.Colour = colour;
grid.Add(line);
}
beat++;
time += timingPoint.BeatLength / beatDivisor.Value;
}
foreach (var grid in grids)
{
// required to update ScrollingHitObjectContainer's cache.
grid.UpdateSubTree();
foreach (var line in grid.Objects.OfType<DrawableGridLine>())
{
time = line.HitObject.StartTime;
if (time >= range.start && time <= range.end)
line.Alpha = 1;
else
{
double timeSeparation = time < range.start ? range.start - time : time - range.end;
line.Alpha = (float)Math.Max(0, 1 - timeSeparation / visible_range);
}
}
}
}
private partial class DrawableGridLine : DrawableHitObject
{
[Resolved]
private IScrollingInfo scrollingInfo { get; set; } = null!;
private readonly IBindable<ScrollingDirection> direction = new Bindable<ScrollingDirection>();
public DrawableGridLine()
: base(new HitObject())
{
RelativeSizeAxes = Axes.X;
Height = 2;
AddInternal(new Box { RelativeSizeAxes = Axes.Both });
}
[BackgroundDependencyLoader]
private void load()
{
direction.BindTo(scrollingInfo.Direction);
direction.BindValueChanged(onDirectionChanged, true);
}
private void onDirectionChanged(ValueChangedEvent<ScrollingDirection> direction)
{
Origin = Anchor = direction.NewValue == ScrollingDirection.Up
? Anchor.TopLeft
: Anchor.BottomLeft;
}
protected override void UpdateInitialTransforms()
{
// don't perform any fading – we are handling that ourselves.
LifetimeEnd = HitObject.StartTime + visible_range;
}
}
}
}