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Implement MarkerPart for the marker

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This commit is contained in:
smoogipoo 2017-09-26 15:44:59 +09:00
parent a1f88a17b1
commit 85cb541fef
2 changed files with 109 additions and 0 deletions
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108
osu.Game/Screens/Edit/Components/Timelines/Summary/Parts/MarkerPart.cs Normal file
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@ -0,0 +1,108 @@
using OpenTK;
using osu.Framework.Allocation;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Input;
using osu.Game.Beatmaps;
using osu.Game.Graphics;
namespace osu.Game.Screens.Edit.Components.Timelines.Summary.Parts
{
/// <summary>
/// The part of the timeline that displays the current position of the song.
/// </summary>
internal class MarkerPart : TimelinePart
{
private WorkingBeatmap beatmap;
private readonly Drawable marker;
public MarkerPart()
{
Add(marker = new MarkerVisualisation());
}
[BackgroundDependencyLoader]
private void load(OsuColour colours)
{
marker.Colour = colours.Red;
}
protected override void LoadBeatmap(WorkingBeatmap beatmap)
{
this.beatmap = beatmap;
}
protected override bool OnDragStart(InputState state) => true;
protected override bool OnDragEnd(InputState state) => true;
protected override bool OnDrag(InputState state)
{
seekToPosition(state.Mouse.NativeState.Position);
return true;
}
protected override bool OnMouseDown(InputState state, MouseDownEventArgs args)
{
seekToPosition(state.Mouse.NativeState.Position);
return true;
}
/// <summary>
/// Seeks the <see cref="SummaryTimeline"/> to the time closest to a position on the screen relative to the <see cref="SummaryTimeline"/>.
/// </summary>
/// <param name="screenPosition">The position in screen coordinates.</param>
private void seekToPosition(Vector2 screenPosition)
{
float markerPos = MathHelper.Clamp(ToLocalSpace(screenPosition).X, 0, DrawWidth);
seekTo(markerPos / DrawWidth * beatmap.Track.Length);
}
private void seekTo(double time) => beatmap.Track.Seek(time);
protected override void Update()
{
base.Update();
marker.X = (float)beatmap.Track.CurrentTime;
}
private class MarkerVisualisation : CompositeDrawable
{
public MarkerVisualisation()
{
Anchor = Anchor.CentreLeft;
Origin = Anchor.Centre;
RelativePositionAxes = Axes.X;
RelativeSizeAxes = Axes.Y;
AutoSizeAxes = Axes.X;
InternalChildren = new Drawable[]
{
new Triangle
{
Anchor = Anchor.TopCentre,
Origin = Anchor.BottomCentre,
Scale = new Vector2(1, -1),
Size = new Vector2(10, 5),
},
new Triangle
{
Anchor = Anchor.BottomCentre,
Origin = Anchor.BottomCentre,
Size = new Vector2(10, 5)
},
new Box
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
RelativeSizeAxes = Axes.Y,
Width = 2,
EdgeSmoothness = new Vector2(1, 0)
}
};
}
[BackgroundDependencyLoader]
private void load(OsuColour colours) => Colour = colours.Red;
}
}
}

1
osu.Game/osu.Game.csproj
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@ -609,6 +609,7 @@
<Compile Include="Screens\Edit\Components\Timelines\Summary\Parts\BreakPart.cs" />
<Compile Include="Screens\Edit\Components\Timelines\Summary\Parts\BookmarkPart.cs" />
<Compile Include="Screens\Edit\Components\Timelines\Summary\Parts\ControlPointPart.cs" />
<Compile Include="Screens\Edit\Components\Timelines\Summary\Parts\MarkerPart.cs" />
<Compile Include="Screens\Edit\Components\Timelines\Summary\Parts\TimelinePart.cs" />
<Compile Include="Screens\Edit\Components\Timelines\Summary\Visualisations\DurationVisualisation.cs" />
<Compile Include="Screens\Edit\Components\Timelines\Summary\Visualisations\PointVisualisation.cs" />