Add integration with QMK/VIA keyboard on Framework Laptop 16

It doesn't quite work on its own: sound and animators are still somehow
missing, so I'm not removing the fixes on my end.

MuzikaGromche/Plugin.cs

@@ -62,7 +62,7 @@ namespace MuzikaGromche
         {
             var seed = GetCurrentSeed();
             var (tracks, season) = GetTracksAndSeason();
-            int[] weights = tracks.Select(track => track.Weight.Value).ToArray();
+            int[] weights = tracks.Select(track => track.Weight!.Value).ToArray();
             var rwi = new RandomWeightedIndex(weights);
             var trackId = rwi.GetRandomWeightedIndex(seed);
             var track = tracks[trackId];
@@ -87,8 +87,8 @@ namespace MuzikaGromche
 
             // Similar to RandomWeightedIndex:
             // If everything is set to zero, everything is equally possible
-            var allWeightsAreZero = tracks.All(t => t.Weight.Value == 0);
-            bool WeightIsCompatible(ISelectableTrack t) => allWeightsAreZero || t.Weight.Value > 0;
+            var allWeightsAreZero = tracks.All(t => t.Weight!.Value == 0);
+            bool WeightIsCompatible(ISelectableTrack t) => allWeightsAreZero || t.Weight!.Value > 0;
 
             var compatibleSelectableTracks = tracks
                 .Where(track => WeightIsCompatible(track) && track.GetTracks().Any(TimerIsCompatible))
@@ -101,7 +101,7 @@ namespace MuzikaGromche
             }
 
             // Select track group where at least one track member is compatible
-            int[] weights = compatibleSelectableTracks.Select(track => track.Weight.Value).ToArray();
+            int[] weights = compatibleSelectableTracks.Select(track => track.Weight!.Value).ToArray();
             var rwi = new RandomWeightedIndex(weights);
             var trackId = rwi.GetRandomWeightedIndex(seed);
             var selectableTrack = compatibleSelectableTracks[trackId];
@@ -344,7 +344,7 @@ namespace MuzikaGromche
         public bool IsExplicit { get; init; }
 
         // How often this track should be chosen, relative to the sum of weights of all tracks.
-        internal ConfigEntry<int> Weight { get; set; }
+        internal ConfigEntry<int>? Weight { get; set; }
 
         internal IAudioTrack[] GetTracks();
 
@@ -587,7 +587,7 @@ namespace MuzikaGromche
         public /* required */ Language Language { get; init; }
         public bool IsExplicit { get; init; } = false;
         public Season? Season { get; init; } = null;
-        ConfigEntry<int> ISelectableTrack.Weight { get; set; } = null!;
+        ConfigEntry<int>? ISelectableTrack.Weight { get; set; } = null;
 
         IAudioTrack[] ISelectableTrack.GetTracks() => [this];
 
@@ -609,7 +609,7 @@ namespace MuzikaGromche
         public /* required */ Language Language { get; init; }
         public bool IsExplicit { get; init; } = false;
         public Season? Season { get; init; } = null;
-        ConfigEntry<int> ISelectableTrack.Weight { get; set; } = null!;
+        ConfigEntry<int>? ISelectableTrack.Weight { get; set; } = null;
 
         public /* required */ IAudioTrack[] Tracks = [];
 
@@ -1645,11 +1645,14 @@ namespace MuzikaGromche
                     var button = new GenericButtonConfigItem(section, buttonOptionName, buttonDescription, buttonText, () =>
                     {
                         var tracks = Plugin.Tracks.Where(t => t.Language.Equals(language)).ToList();
-                        var isOff = tracks.All(t => t.Weight.Value == 0);
+                        var isOff = tracks.All(t => t.Weight == null || t.Weight.Value == 0);
                         var newWeight = isOff ? 50 : 0;
                         foreach (var t in tracks)
                         {
-                            t.Weight.Value = newWeight;
+                            if (t.Weight != null)
+                            {
+                                t.Weight.Value = newWeight;
+                            }
                         }
                     });
                     LethalConfigManager.AddConfigItem(button);
@@ -2117,7 +2120,10 @@ namespace MuzikaGromche
             ChooseTrackDeferred();
             foreach (var track in Plugin.Tracks)
             {
-                track.Weight.SettingChanged += ChooseTrackDeferredDelegate;
+                if (track.Weight is { } weight)
+                {
+                    weight.SettingChanged += ChooseTrackDeferredDelegate;
+                }
             }
             Config.SkipExplicitTracks.SettingChanged += ChooseTrackDeferredDelegate;
             base.OnNetworkSpawn();
@@ -2127,7 +2133,10 @@ namespace MuzikaGromche
         {
             foreach (var track in Plugin.Tracks)
             {
-                track.Weight.SettingChanged -= ChooseTrackDeferredDelegate;
+                if (track.Weight is { } weight)
+                {
+                    weight.SettingChanged -= ChooseTrackDeferredDelegate;
+                }
             }
             Config.SkipExplicitTracks.SettingChanged -= ChooseTrackDeferredDelegate;
             base.OnNetworkDespawn();

MuzikaGromche/Via/Lightshow.cs

@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using System.Threading;
 using System.Threading.Tasks;
 
 namespace MuzikaGromche.Via;
@@ -14,32 +15,43 @@ interface ILightshow
 
 class Animations
 {
+    private static CancellationTokenSource? cts;
+
     public static void Flicker(ILightshow lightshow)
     {
-        _ = Task.Run(() => FlickerAsync(lightshow));
+        if (cts != null)
+        {
+            cts.Cancel();
+        }
+        cts = new();
+        _ = Task.Run(async () => await FlickerAsync(lightshow, cts.Token), cts.Token);
     }
 
-    static async ValueTask FlickerAsync(ILightshow lightshow)
+    static async ValueTask FlickerAsync(ILightshow lightshow, CancellationToken cancellationToken)
     {
         await foreach (var on in FlickerAnimationAsync())
         {
+            if (cancellationToken.IsCancellationRequested)
+            {
+                break;
+            }
             byte brightness = on ? (byte)0xFF : (byte)0x00;
             lightshow.SetBrightnessOverride(brightness);
         }
         lightshow.SetBrightnessOverride(null);
     }
 
-    // Timestamps (in frames of 60 fps) of state switches, starting with 0 => OFF.
+    // Timestamps (in frames of 60 fps) of state switches, starting with 0 => ON.
     private static readonly int[] MansionWallLampFlicker = [
         0, 4, 8, 26, 28, 32, 37, 41, 42, 58, 60, 71,
     ];
 
     public static async IAsyncEnumerable<bool> FlickerAnimationAsync()
     {
-        bool lastState = true;
+        bool lastState = false;
         int lastFrame = 0;
 
-        const int initialMillisecondsDelay = 100;
+        const int initialMillisecondsDelay = 4 * 1000 / 60;
         await Task.Delay(initialMillisecondsDelay);
 
         foreach (int frame in MansionWallLampFlicker)