keii.dev
A game framework written with osu! in mind.
1// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
2// See the LICENCE file in the repository root for full licence text.
3
4using System.Collections.Specialized;
5using System.Diagnostics;
6using System.Linq;
7using osu.Framework.Allocation;
8using osu.Framework.Audio;
9using osu.Framework.Bindables;
10using osu.Framework.Graphics.Containers;
11using osuTK;
12
13namespace osu.Framework.Graphics.Visualisation.Audio
14{
15 internal class AudioMixerVisualiser : ToolWindow
16 {
17 [Resolved]
18 private AudioManager audioManager { get; set; }
19
20 private readonly FillFlowContainer<MixerDisplay> mixerFlow;
21 private readonly IBindableList<int> activeMixerHandles = new BindableList<int>();
22
23 public AudioMixerVisualiser()
24 : base("AudioMixer", "(Ctrl+F9 to toggle)")
25 {
26 ScrollContent.Expire();
27 MainHorizontalContent.Add(new BasicScrollContainer(Direction.Horizontal)
28 {
29 RelativeSizeAxes = Axes.Y,
30 Width = WIDTH,
31 Children = new[]
32 {
33 mixerFlow = new FillFlowContainer<MixerDisplay>
34 {
35 RelativeSizeAxes = Axes.Y,
36 AutoSizeAxes = Axes.X,
37 Spacing = new Vector2(10),
38 Padding = new MarginPadding(10)
39 }
40 }
41 });
42 }
43
44 protected override void LoadComplete()
45 {
46 base.LoadComplete();
47
48 activeMixerHandles.BindTo(audioManager.ActiveMixerHandles);
49 activeMixerHandles.BindCollectionChanged(onActiveMixerHandlesChanged, true);
50 }
51
52 private void onActiveMixerHandlesChanged(object sender, NotifyCollectionChangedEventArgs e) => Schedule(() =>
53 {
54 switch (e.Action)
55 {
56 case NotifyCollectionChangedAction.Add:
57 Debug.Assert(e.NewItems != null);
58 foreach (var handle in e.NewItems.OfType<int>())
59 mixerFlow.Add(new MixerDisplay(handle));
60 break;
61
62 case NotifyCollectionChangedAction.Remove:
63 Debug.Assert(e.OldItems != null);
64 mixerFlow.RemoveAll(m => e.OldItems.OfType<int>().Contains(m.MixerHandle));
65 break;
66 }
67 });
68 }
69}