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osu-lazer/osu.Game/Screens/Edit/Compose/Components/Timeline/TimelineHitObjectBlueprint.cs

487 lines
17 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;
using JetBrains.Annotations;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Colour;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Effects;
using osu.Framework.Graphics.Primitives;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Input.Events;
using osu.Framework.Threading;
using osu.Framework.Utils;
using osu.Game.Beatmaps.ControlPoints;
using osu.Game.Graphics;
using osu.Game.Graphics.Sprites;
using osu.Game.Rulesets.Edit;
using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.Objects.Types;
using osu.Game.Skinning;
using osuTK;
using osuTK.Graphics;
namespace osu.Game.Screens.Edit.Compose.Components.Timeline
{
public class TimelineHitObjectBlueprint : SelectionBlueprint<HitObject>
{
private const float circle_size = 38;
private Container repeatsContainer;
public Action<DragEvent> OnDragHandled;
[UsedImplicitly]
private readonly Bindable<double> startTime;
private Bindable<int> indexInCurrentComboBindable;
private Bindable<int> comboIndexBindable;
private Bindable<int> comboIndexWithOffsetsBindable;
private Bindable<Color4> displayColourBindable;
private readonly ExtendableCircle circle;
private readonly Border border;
private readonly Container colouredComponents;
private readonly OsuSpriteText comboIndexText;
[Resolved]
private ISkinSource skin { get; set; }
public TimelineHitObjectBlueprint(HitObject item)
: base(item)
{
Anchor = Anchor.CentreLeft;
Origin = Anchor.CentreLeft;
startTime = item.StartTimeBindable.GetBoundCopy();
startTime.BindValueChanged(time => X = (float)time.NewValue, true);
RelativePositionAxes = Axes.X;
RelativeSizeAxes = Axes.X;
Height = circle_size;
AddRangeInternal(new Drawable[]
{
circle = new ExtendableCircle
{
RelativeSizeAxes = Axes.Both,
Anchor = Anchor.CentreLeft,
Origin = Anchor.CentreLeft,
},
border = new Border
{
RelativeSizeAxes = Axes.Both,
Anchor = Anchor.CentreLeft,
Origin = Anchor.CentreLeft,
},
colouredComponents = new Container
{
Anchor = Anchor.CentreLeft,
Origin = Anchor.CentreLeft,
RelativeSizeAxes = Axes.Both,
Children = new Drawable[]
{
comboIndexText = new OsuSpriteText
{
Anchor = Anchor.CentreLeft,
Origin = Anchor.Centre,
Y = -1,
Font = OsuFont.Default.With(size: circle_size * 0.5f, weight: FontWeight.Regular),
},
}
},
});
if (item is IHasDuration)
{
colouredComponents.Add(new DragArea(item)
{
OnDragHandled = e => OnDragHandled?.Invoke(e)
});
}
}
protected override void LoadComplete()
{
base.LoadComplete();
switch (Item)
{
case IHasDisplayColour displayColour:
displayColourBindable = displayColour.DisplayColour.GetBoundCopy();
displayColourBindable.BindValueChanged(_ => updateColour(), true);
break;
case IHasComboInformation comboInfo:
indexInCurrentComboBindable = comboInfo.IndexInCurrentComboBindable.GetBoundCopy();
indexInCurrentComboBindable.BindValueChanged(_ => updateComboIndex(), true);
comboIndexBindable = comboInfo.ComboIndexBindable.GetBoundCopy();
comboIndexWithOffsetsBindable = comboInfo.ComboIndexWithOffsetsBindable.GetBoundCopy();
comboIndexBindable.BindValueChanged(_ => updateColour());
comboIndexWithOffsetsBindable.BindValueChanged(_ => updateColour(), true);
skin.SourceChanged += updateColour;
break;
}
}
protected override void OnSelected()
{
// base logic hides selected blueprints when not selected, but timeline doesn't do that.
updateColour();
}
protected override void OnDeselected()
{
// base logic hides selected blueprints when not selected, but timeline doesn't do that.
updateColour();
}
private void updateComboIndex() => comboIndexText.Text = (indexInCurrentComboBindable.Value + 1).ToString();
private void updateColour()
{
Color4 colour;
switch (Item)
{
case IHasDisplayColour displayColour:
colour = displayColour.DisplayColour.Value;
break;
case IHasComboInformation combo:
colour = combo.GetComboColour(skin);
break;
default:
return;
}
if (IsSelected)
border.Show();
else
border.Hide();
if (Item is IHasDuration duration && duration.Duration > 0)
circle.Colour = ColourInfo.GradientHorizontal(colour, colour.Lighten(0.4f));
else
circle.Colour = colour;
var averageColour = Interpolation.ValueAt(0.5, circle.Colour.TopLeft, circle.Colour.TopRight, 0, 1);
colouredComponents.Colour = OsuColour.ForegroundTextColourFor(averageColour);
}
private SamplePointPiece sampleOverrideDisplay;
private DifficultyPointPiece difficultyOverrideDisplay;
private DifficultyControlPoint difficultyControlPoint;
private SampleControlPoint sampleControlPoint;
protected override void Update()
{
base.Update();
// no bindable so we perform this every update
float duration = (float)(Item.GetEndTime() - Item.StartTime);
if (Width != duration)
{
Width = duration;
// kind of haphazard but yeah, no bindables.
if (Item is IHasRepeats repeats)
updateRepeats(repeats);
}
if (difficultyControlPoint != Item.DifficultyControlPoint)
{
difficultyControlPoint = Item.DifficultyControlPoint;
difficultyOverrideDisplay?.Expire();
if (Item.DifficultyControlPoint != null && Item is IHasDistance)
{
AddInternal(difficultyOverrideDisplay = new DifficultyPointPiece(Item)
{
Anchor = Anchor.TopLeft,
Origin = Anchor.BottomCentre
});
}
}
if (sampleControlPoint != Item.SampleControlPoint)
{
sampleControlPoint = Item.SampleControlPoint;
sampleOverrideDisplay?.Expire();
if (Item.SampleControlPoint != null)
{
AddInternal(sampleOverrideDisplay = new SamplePointPiece(Item)
{
Anchor = Anchor.BottomLeft,
Origin = Anchor.TopCentre
});
}
}
}
private void updateRepeats(IHasRepeats repeats)
{
repeatsContainer?.Expire();
colouredComponents.Add(repeatsContainer = new Container
{
RelativeSizeAxes = Axes.Both,
});
for (int i = 0; i < repeats.RepeatCount; i++)
{
repeatsContainer.Add(new Tick
{
X = (float)(i + 1) / (repeats.RepeatCount + 1)
});
}
}
protected override bool ShouldBeConsideredForInput(Drawable child) => true;
public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) =>
circle.ReceivePositionalInputAt(screenSpacePos);
public override Quad SelectionQuad => circle.ScreenSpaceDrawQuad;
public override Vector2 ScreenSpaceSelectionPoint => ScreenSpaceDrawQuad.TopLeft;
private class Tick : Circle
{
public Tick()
{
Size = new Vector2(circle_size / 4);
Anchor = Anchor.CentreLeft;
Origin = Anchor.Centre;
RelativePositionAxes = Axes.X;
}
}
public class DragArea : Circle
{
private readonly HitObject hitObject;
[Resolved]
private Timeline timeline { get; set; }
public Action<DragEvent> OnDragHandled;
public override bool HandlePositionalInput => hitObject != null;
public DragArea(HitObject hitObject)
{
this.hitObject = hitObject;
CornerRadius = circle_size / 2;
Masking = true;
Size = new Vector2(circle_size, 1);
Anchor = Anchor.CentreRight;
Origin = Anchor.Centre;
RelativePositionAxes = Axes.X;
RelativeSizeAxes = Axes.Y;
InternalChildren = new Drawable[]
{
new Box
{
RelativeSizeAxes = Axes.Both,
}
};
}
protected override void LoadComplete()
{
base.LoadComplete();
updateState();
FinishTransforms();
}
protected override bool OnHover(HoverEvent e)
{
updateState();
return base.OnHover(e);
}
protected override void OnHoverLost(HoverLostEvent e)
{
updateState();
base.OnHoverLost(e);
}
private bool hasMouseDown;
protected override bool OnMouseDown(MouseDownEvent e)
{
hasMouseDown = true;
updateState();
return true;
}
protected override void OnMouseUp(MouseUpEvent e)
{
hasMouseDown = false;
updateState();
base.OnMouseUp(e);
}
private void updateState()
{
float scale = 0.5f;
if (hasMouseDown)
scale = 0.6f;
else if (IsHovered)
scale = 0.7f;
this.ScaleTo(scale, 200, Easing.OutQuint);
this.FadeTo(IsHovered || hasMouseDown ? 1f : 0.9f, 200, Easing.OutQuint);
}
[Resolved]
private EditorBeatmap beatmap { get; set; }
[Resolved]
private IBeatSnapProvider beatSnapProvider { get; set; }
[Resolved(CanBeNull = true)]
private IEditorChangeHandler changeHandler { get; set; }
protected override bool OnDragStart(DragStartEvent e)
{
changeHandler?.BeginChange();
return true;
}
private ScheduledDelegate dragOperation;
protected override void OnDrag(DragEvent e)
{
base.OnDrag(e);
// schedule is temporary to ensure we don't process multiple times on a single update frame. we need to find a better method of doing this.
// without it, a hitobject's endtime may not always be in a valid state (ie. sliders, which needs to recompute their path).
dragOperation?.Cancel();
dragOperation = Scheduler.Add(() =>
{
OnDragHandled?.Invoke(e);
if (timeline.SnapScreenSpacePositionToValidTime(e.ScreenSpaceMousePosition).Time is double time)
{
switch (hitObject)
{
case IHasRepeats repeatHitObject:
double proposedDuration = time - hitObject.StartTime;
if (e.CurrentState.Keyboard.ShiftPressed)
{
if (hitObject.DifficultyControlPoint == DifficultyControlPoint.DEFAULT)
hitObject.DifficultyControlPoint = new DifficultyControlPoint();
double newVelocity = hitObject.DifficultyControlPoint.SliderVelocity * (repeatHitObject.Duration / proposedDuration);
if (Precision.AlmostEquals(newVelocity, hitObject.DifficultyControlPoint.SliderVelocity))
return;
hitObject.DifficultyControlPoint.SliderVelocity = newVelocity;
beatmap.Update(hitObject);
}
else
{
// find the number of repeats which can fit in the requested time.
double lengthOfOneRepeat = repeatHitObject.Duration / (repeatHitObject.RepeatCount + 1);
int proposedCount = Math.Max(0, (int)Math.Round(proposedDuration / lengthOfOneRepeat) - 1);
if (proposedCount == repeatHitObject.RepeatCount)
return;
repeatHitObject.RepeatCount = proposedCount;
beatmap.Update(hitObject);
}
break;
case IHasDuration endTimeHitObject:
double snappedTime = Math.Max(hitObject.StartTime, beatSnapProvider.SnapTime(time));
if (endTimeHitObject.EndTime == snappedTime || Precision.AlmostEquals(snappedTime, hitObject.StartTime, beatmap.GetBeatLengthAtTime(snappedTime)))
return;
endTimeHitObject.Duration = snappedTime - hitObject.StartTime;
beatmap.Update(hitObject);
break;
}
}
});
}
protected override void OnDragEnd(DragEndEvent e)
{
base.OnDragEnd(e);
OnDragHandled?.Invoke(null);
changeHandler?.EndChange();
}
}
public class Border : ExtendableCircle
{
[BackgroundDependencyLoader]
private void load(OsuColour colours)
{
Content.Child.Alpha = 0;
Content.Child.AlwaysPresent = true;
Content.BorderColour = colours.Yellow;
Content.EdgeEffect = new EdgeEffectParameters();
}
}
/// <summary>
/// A circle with externalised end caps so it can take up the full width of a relative width area.
/// </summary>
public class ExtendableCircle : CompositeDrawable
{
protected readonly Circle Content;
public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => Content.ReceivePositionalInputAt(screenSpacePos);
public override Quad ScreenSpaceDrawQuad => Content.ScreenSpaceDrawQuad;
public ExtendableCircle()
{
Padding = new MarginPadding { Horizontal = -circle_size / 2f };
InternalChild = Content = new Circle
{
BorderColour = OsuColour.Gray(0.75f),
BorderThickness = 4,
Masking = true,
RelativeSizeAxes = Axes.Both,
EdgeEffect = new EdgeEffectParameters
{
Type = EdgeEffectType.Shadow,
Radius = 5,
Colour = Color4.Black.Opacity(0.4f)
}
};
}
}
}
}