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osu-lazer/osu.Game/Screens/Play/SongProgressInfo.cs

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2018-04-13 17:19:50 +08:00
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using osu.Framework.Allocation;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Timing;
using osu.Game.Graphics;
using osu.Game.Graphics.Sprites;
using System;
namespace osu.Game.Screens.Play
{
public class SongProgressInfo : Container
{
private OsuSpriteText timeCurrent;
private OsuSpriteText timeLeft;
private OsuSpriteText progress;
private double startTime;
private double endTime;
private int? previousPercent;
private int? previousSecond;
private double songLength => endTime - startTime;
private const int margin = 10;
public IClock AudioClock;
public double StartTime { set { startTime = value; } }
public double EndTime { set { endTime = value; } }
[BackgroundDependencyLoader]
private void load(OsuColour colours)
{
Children = new Drawable[]
{
timeCurrent = new OsuSpriteText
{
Origin = Anchor.BottomLeft,
Anchor = Anchor.BottomLeft,
Colour = colours.BlueLighter,
Font = @"Venera",
Margin = new MarginPadding
{
Left = margin,
},
},
progress = new OsuSpriteText
{
Origin = Anchor.BottomCentre,
Anchor = Anchor.BottomCentre,
Colour = colours.BlueLighter,
Font = @"Venera",
},
timeLeft = new OsuSpriteText
{
Origin = Anchor.BottomRight,
Anchor = Anchor.BottomRight,
Colour = colours.BlueLighter,
Font = @"Venera",
Margin = new MarginPadding
{
Right = margin,
},
}
};
}
protected override void Update()
{
base.Update();
double songCurrentTime = AudioClock.CurrentTime - startTime;
int currentPercent = Math.Max(0, Math.Min(100, (int)(songCurrentTime / songLength * 100)));
int currentSecond = (int)Math.Floor(songCurrentTime / 1000.0);
if (currentPercent != previousPercent)
{
progress.Text = currentPercent.ToString() + @"%";
previousPercent = currentPercent;
}
if (currentSecond != previousSecond && songCurrentTime < songLength)
{
timeCurrent.Text = formatTime(TimeSpan.FromSeconds(currentSecond));
timeLeft.Text = formatTime(TimeSpan.FromMilliseconds(endTime - AudioClock.CurrentTime));
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previousSecond = currentSecond;
}
}
private string formatTime(TimeSpan timeSpan) => $"{(timeSpan < TimeSpan.Zero ? "-" : "")}{Math.Floor(timeSpan.Duration().TotalMinutes)}:{timeSpan.Duration().Seconds:D2}";
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}
}