mirror of
https://github.com/ppy/osu.git
synced 2024-12-17 04:32:53 +08:00
324 lines
12 KiB
C#
324 lines
12 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.
|
|
|
|
#nullable disable
|
|
|
|
using System;
|
|
using osu.Framework.Allocation;
|
|
using osu.Framework.Audio.Track;
|
|
using osu.Framework.Bindables;
|
|
using osu.Framework.Extensions.Color4Extensions;
|
|
using osu.Framework.Graphics;
|
|
using osu.Framework.Graphics.Audio;
|
|
using osu.Framework.Graphics.Containers;
|
|
using osu.Framework.Graphics.Shapes;
|
|
using osu.Framework.Input.Events;
|
|
using osu.Game.Beatmaps;
|
|
using osu.Game.Configuration;
|
|
using osu.Game.Graphics;
|
|
using osu.Game.Rulesets.Edit;
|
|
using osuTK;
|
|
using osuTK.Input;
|
|
|
|
namespace osu.Game.Screens.Edit.Compose.Components.Timeline
|
|
{
|
|
[Cached]
|
|
public partial class Timeline : ZoomableScrollContainer, IPositionSnapProvider
|
|
{
|
|
private const float timeline_height = 72;
|
|
private const float timeline_expanded_height = 94;
|
|
|
|
private readonly Drawable userContent;
|
|
|
|
public readonly Bindable<bool> WaveformVisible = new Bindable<bool>();
|
|
|
|
public readonly Bindable<bool> ControlPointsVisible = new Bindable<bool>();
|
|
|
|
public readonly Bindable<bool> TicksVisible = new Bindable<bool>();
|
|
|
|
[Resolved]
|
|
private EditorClock editorClock { get; set; }
|
|
|
|
[Resolved]
|
|
private EditorBeatmap editorBeatmap { get; set; }
|
|
|
|
/// <summary>
|
|
/// The timeline's scroll position in the last frame.
|
|
/// </summary>
|
|
private float lastScrollPosition;
|
|
|
|
/// <summary>
|
|
/// The track time in the last frame.
|
|
/// </summary>
|
|
private double lastTrackTime;
|
|
|
|
/// <summary>
|
|
/// Whether the user is currently dragging the timeline.
|
|
/// </summary>
|
|
private bool handlingDragInput;
|
|
|
|
/// <summary>
|
|
/// Whether the track was playing before a user drag event.
|
|
/// </summary>
|
|
private bool trackWasPlaying;
|
|
|
|
/// <summary>
|
|
/// The timeline zoom level at a 1x zoom scale.
|
|
/// </summary>
|
|
private float defaultTimelineZoom;
|
|
|
|
public Timeline(Drawable userContent)
|
|
{
|
|
this.userContent = userContent;
|
|
|
|
RelativeSizeAxes = Axes.X;
|
|
Height = timeline_height;
|
|
|
|
ZoomDuration = 200;
|
|
ZoomEasing = Easing.OutQuint;
|
|
ScrollbarVisible = false;
|
|
}
|
|
|
|
private WaveformGraph waveform;
|
|
|
|
private TimelineTickDisplay ticks;
|
|
|
|
private TimelineControlPointDisplay controlPoints;
|
|
|
|
private Container mainContent;
|
|
|
|
private Bindable<float> waveformOpacity;
|
|
|
|
private double trackLengthForZoom;
|
|
|
|
private readonly IBindable<Track> track = new Bindable<Track>();
|
|
|
|
[BackgroundDependencyLoader]
|
|
private void load(IBindable<WorkingBeatmap> beatmap, OsuColour colours, OsuConfigManager config)
|
|
{
|
|
CentreMarker centreMarker;
|
|
|
|
// We don't want the centre marker to scroll
|
|
AddInternal(centreMarker = new CentreMarker());
|
|
|
|
AddRange(new Drawable[]
|
|
{
|
|
controlPoints = new TimelineControlPointDisplay
|
|
{
|
|
RelativeSizeAxes = Axes.X,
|
|
Height = timeline_expanded_height,
|
|
},
|
|
mainContent = new Container
|
|
{
|
|
RelativeSizeAxes = Axes.X,
|
|
Height = timeline_height,
|
|
Depth = float.MaxValue,
|
|
Children = new[]
|
|
{
|
|
waveform = new WaveformGraph
|
|
{
|
|
RelativeSizeAxes = Axes.Both,
|
|
BaseColour = colours.Blue.Opacity(0.2f),
|
|
LowColour = colours.BlueLighter,
|
|
MidColour = colours.BlueDark,
|
|
HighColour = colours.BlueDarker,
|
|
},
|
|
centreMarker.CreateProxy(),
|
|
ticks = new TimelineTickDisplay(),
|
|
new Box
|
|
{
|
|
Name = "zero marker",
|
|
RelativeSizeAxes = Axes.Y,
|
|
Width = 2,
|
|
Origin = Anchor.TopCentre,
|
|
Colour = colours.YellowDarker,
|
|
},
|
|
userContent,
|
|
}
|
|
},
|
|
});
|
|
|
|
waveformOpacity = config.GetBindable<float>(OsuSetting.EditorWaveformOpacity);
|
|
|
|
track.BindTo(editorClock.Track);
|
|
track.BindValueChanged(_ => waveform.Waveform = beatmap.Value.Waveform, true);
|
|
|
|
Zoom = (float)(defaultTimelineZoom * editorBeatmap.BeatmapInfo.TimelineZoom);
|
|
}
|
|
|
|
protected override void LoadComplete()
|
|
{
|
|
base.LoadComplete();
|
|
|
|
WaveformVisible.BindValueChanged(_ => updateWaveformOpacity());
|
|
waveformOpacity.BindValueChanged(_ => updateWaveformOpacity(), true);
|
|
|
|
TicksVisible.BindValueChanged(visible => ticks.FadeTo(visible.NewValue ? 1 : 0, 200, Easing.OutQuint), true);
|
|
|
|
ControlPointsVisible.BindValueChanged(visible =>
|
|
{
|
|
if (visible.NewValue)
|
|
{
|
|
this.ResizeHeightTo(timeline_expanded_height, 200, Easing.OutQuint);
|
|
mainContent.MoveToY(20, 200, Easing.OutQuint);
|
|
|
|
// delay the fade in else masking looks weird.
|
|
controlPoints.Delay(180).FadeIn(400, Easing.OutQuint);
|
|
}
|
|
else
|
|
{
|
|
controlPoints.FadeOut(200, Easing.OutQuint);
|
|
|
|
// likewise, delay the resize until the fade is complete.
|
|
this.Delay(180).ResizeHeightTo(timeline_height, 200, Easing.OutQuint);
|
|
mainContent.Delay(180).MoveToY(0, 200, Easing.OutQuint);
|
|
}
|
|
}, true);
|
|
}
|
|
|
|
private void updateWaveformOpacity() =>
|
|
waveform.FadeTo(WaveformVisible.Value ? waveformOpacity.Value : 0, 200, Easing.OutQuint);
|
|
|
|
protected override void Update()
|
|
{
|
|
base.Update();
|
|
|
|
// The extrema of track time should be positioned at the centre of the container when scrolled to the start or end
|
|
Content.Margin = new MarginPadding { Horizontal = DrawWidth / 2 };
|
|
|
|
// This needs to happen after transforms are updated, but before the scroll position is updated in base.UpdateAfterChildren
|
|
if (editorClock.IsRunning)
|
|
scrollToTrackTime();
|
|
|
|
if (editorClock.TrackLength != trackLengthForZoom)
|
|
{
|
|
defaultTimelineZoom = getZoomLevelForVisibleMilliseconds(6000);
|
|
|
|
float minimumZoom = getZoomLevelForVisibleMilliseconds(10000);
|
|
float maximumZoom = getZoomLevelForVisibleMilliseconds(500);
|
|
|
|
float initialZoom = (float)Math.Clamp(defaultTimelineZoom * (editorBeatmap.BeatmapInfo.TimelineZoom == 0 ? 1 : editorBeatmap.BeatmapInfo.TimelineZoom), minimumZoom, maximumZoom);
|
|
|
|
SetupZoom(initialZoom, minimumZoom, maximumZoom);
|
|
|
|
float getZoomLevelForVisibleMilliseconds(double milliseconds) => Math.Max(1, (float)(editorClock.TrackLength / milliseconds));
|
|
|
|
trackLengthForZoom = editorClock.TrackLength;
|
|
}
|
|
}
|
|
|
|
protected override bool OnScroll(ScrollEvent e)
|
|
{
|
|
// if this is not a precision scroll event, let the editor handle the seek itself (for snapping support)
|
|
if (!e.AltPressed && !e.IsPrecise)
|
|
return false;
|
|
|
|
return base.OnScroll(e);
|
|
}
|
|
|
|
protected override void OnZoomChanged()
|
|
{
|
|
base.OnZoomChanged();
|
|
editorBeatmap.BeatmapInfo.TimelineZoom = Zoom / defaultTimelineZoom;
|
|
}
|
|
|
|
protected override void UpdateAfterChildren()
|
|
{
|
|
base.UpdateAfterChildren();
|
|
|
|
if (handlingDragInput)
|
|
seekTrackToCurrent();
|
|
else if (!editorClock.IsRunning)
|
|
{
|
|
// The track isn't running. There are three cases we have to be wary of:
|
|
// 1) The user flick-drags on this timeline and we are applying an interpolated seek on the clock, until interrupted by 2 or 3.
|
|
// 2) The user changes the track time through some other means (scrolling in the editor or overview timeline; clicking a hitobject etc.). We want the timeline to track the clock's time.
|
|
// 3) An ongoing seek transform is running from an external seek. We want the timeline to track the clock's time.
|
|
|
|
// The simplest way to cover the first two cases is by checking whether the scroll position has changed and the audio hasn't been changed externally
|
|
// Checking IsSeeking covers the third case, where the transform may not have been applied yet.
|
|
if (Current != lastScrollPosition && editorClock.CurrentTime == lastTrackTime && !editorClock.IsSeeking)
|
|
seekTrackToCurrent();
|
|
else
|
|
scrollToTrackTime();
|
|
}
|
|
|
|
lastScrollPosition = Current;
|
|
lastTrackTime = editorClock.CurrentTime;
|
|
}
|
|
|
|
private void seekTrackToCurrent()
|
|
{
|
|
double target = TimeAtPosition(Current);
|
|
editorClock.Seek(Math.Min(editorClock.TrackLength, target));
|
|
}
|
|
|
|
private void scrollToTrackTime()
|
|
{
|
|
if (editorClock.TrackLength == 0)
|
|
return;
|
|
|
|
// covers the case where the user starts playback after a drag is in progress.
|
|
// we want to ensure the clock is always stopped during drags to avoid weird audio playback.
|
|
if (handlingDragInput)
|
|
editorClock.Stop();
|
|
|
|
float position = PositionAtTime(editorClock.CurrentTime);
|
|
ScrollTo(position, false);
|
|
}
|
|
|
|
protected override bool OnMouseDown(MouseDownEvent e)
|
|
{
|
|
if (base.OnMouseDown(e))
|
|
beginUserDrag();
|
|
|
|
// handling right button as well breaks context menus inside the timeline, only handle left button for now.
|
|
return e.Button == MouseButton.Left;
|
|
}
|
|
|
|
protected override void OnMouseUp(MouseUpEvent e)
|
|
{
|
|
endUserDrag();
|
|
base.OnMouseUp(e);
|
|
}
|
|
|
|
private void beginUserDrag()
|
|
{
|
|
handlingDragInput = true;
|
|
trackWasPlaying = editorClock.IsRunning;
|
|
editorClock.Stop();
|
|
}
|
|
|
|
private void endUserDrag()
|
|
{
|
|
handlingDragInput = false;
|
|
if (trackWasPlaying)
|
|
editorClock.Start();
|
|
}
|
|
|
|
[Resolved]
|
|
private IBeatSnapProvider beatSnapProvider { get; set; }
|
|
|
|
/// <summary>
|
|
/// The total amount of time visible on the timeline.
|
|
/// </summary>
|
|
public double VisibleRange => editorClock.TrackLength / Zoom;
|
|
|
|
public double TimeAtPosition(float x)
|
|
{
|
|
return x / Content.DrawWidth * editorClock.TrackLength;
|
|
}
|
|
|
|
public float PositionAtTime(double time)
|
|
{
|
|
return (float)(time / editorClock.TrackLength * Content.DrawWidth);
|
|
}
|
|
|
|
public SnapResult FindSnappedPositionAndTime(Vector2 screenSpacePosition, SnapType snapType = SnapType.All)
|
|
{
|
|
double time = TimeAtPosition(Content.ToLocalSpace(screenSpacePosition).X);
|
|
return new SnapResult(screenSpacePosition, beatSnapProvider.SnapTime(time));
|
|
}
|
|
}
|
|
}
|