feat(april): fools except no fun allowed

Author: benaclejames

VRCFaceTracking.Core/Params/Expressions/UnifiedExpressionsParameters.cs

@@ -9,9 +9,11 @@ namespace VRCFaceTracking.Core.Params.Expressions;
 
 public static class UnifiedExpressionsParameters
 {
+    public static bool AprilFoolsEnabled { get; set; } = false;
+
     internal static bool IsAprilFoolsActive
     {
-        get { var n = DateTime.Now; return n.Month == 4 && n.Day == 1 && n.Minute == 0 && n.Second < 30; }
+        get { var n = DateTime.Now; return AprilFoolsEnabled && n.Month == 4 && n.Day == 1 && n.Minute == 0 && n.Second < 15; }
     }
 
     private static readonly float[] _rightOpennessBuffer = new float[30];

VRCFaceTracking/ViewModels/MainViewModel.cs

@@ -3,6 +3,7 @@
 using VRCFaceTracking.Core.Contracts;
 using VRCFaceTracking.Core.Contracts.Services;
 using VRCFaceTracking.Core.OSC;
+using VRCFaceTracking.Core.Params.Expressions;
 using VRCFaceTracking.Core.Services;
 
 namespace VRCFaceTracking.ViewModels;
@@ -25,6 +26,23 @@ public partial class MainViewModel : ObservableRecipient
 
     [ObservableProperty] private bool _oscWasDisabled;
 
+    public bool IsAprilFoolsDay => DateTime.Now.Month == 4 && DateTime.Now.Day == 1;
+
+    private const string AprilFoolsSettingKey = "AprilFoolsEnabled";
+    private const string AprilFoolsResetYearKey = "AprilFoolsResetYear";
+    private readonly ILocalSettingsService _localSettingsService;
+
+    public bool AprilFoolsEnabled
+    {
+        get => UnifiedExpressionsParameters.AprilFoolsEnabled;
+        set
+        {
+            UnifiedExpressionsParameters.AprilFoolsEnabled = value;
+            OnPropertyChanged();
+            _ = _localSettingsService.SaveSettingAsync(AprilFoolsSettingKey, value);
+        }
+    }
+
     private DispatcherTimer msgCounterTimer;
 
     public MainViewModel(
@@ -33,7 +51,8 @@ public MainViewModel(
         IModuleDataService moduleDataService,
         IOscTarget oscTarget,
         OscRecvService oscRecvService,
-        OscSendService oscSendService
+        OscSendService oscSendService,
+        ILocalSettingsService localSettingsService
         )
     {
         //Services
@@ -42,6 +61,11 @@ OscSendService oscSendService
         OscTarget = oscTarget;
         OscRecvService = oscRecvService;
         OscSendService = oscSendService;
+        _localSettingsService = localSettingsService;
+
+        // On the first boot of each April, reset the toggle to on
+        LoadAprilFoolsSettingAsync();
+
 
         // Modules
         var installedNewModules = moduleDataService.GetInstalledModules();
@@ -66,6 +90,29 @@ OscSendService oscSendService
         msgCounterTimer.Start();
     }
 
+    private async void LoadAprilFoolsSettingAsync()
+    {
+        var now = DateTime.Now;
+        var isApril = now.Month == 4;
+        var lastResetYear = await _localSettingsService.ReadSettingAsync(AprilFoolsResetYearKey, 0);
+
+        bool enabled;
+        if (isApril && lastResetYear != now.Year)
+        {
+            // First boot this April — turn it on and record the year
+            enabled = true;
+            await _localSettingsService.SaveSettingAsync(AprilFoolsResetYearKey, now.Year);
+            await _localSettingsService.SaveSettingAsync(AprilFoolsSettingKey, true);
+        }
+        else
+        {
+            enabled = await _localSettingsService.ReadSettingAsync(AprilFoolsSettingKey, false);
+        }
+
+        UnifiedExpressionsParameters.AprilFoolsEnabled = enabled;
+        OnPropertyChanged(nameof(AprilFoolsEnabled));
+    }
+
     private void MessageReceived(OscMessage msg) => _messagesRecvd++;
     private void MessageDispatched(int msgCount) => _messagesSent += msgCount;
 

VRCFaceTracking/Views/MainPage.xaml

@@ -577,8 +577,30 @@
                 </Grid>
             </Border>
 
-            <views:AvatarInfoControl 
-                AvatarInfo="{x:Bind ViewModel.ParameterOutputService.AvatarInfo, Mode=OneWay}" 
+            <Border Margin="0, 10, 0, 0" Padding="20" CornerRadius="6" BorderThickness="1" Background="{ThemeResource LayerFillColorDefaultBrush}"
+                    Visibility="{x:Bind ViewModel.IsAprilFoolsDay, Converter={StaticResource BoolVisConverter}}">
+                <Grid>
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="Auto"/>
+                        <ColumnDefinition Width="*"/>
+                        <ColumnDefinition Width="Auto"/>
+                    </Grid.ColumnDefinitions>
+                    <StackPanel Orientation="Horizontal" Grid.Column="0">
+                        <FontIcon Margin="10, 4" FontFamily="{StaticResource SymbolThemeFontFamily}" Glyph="&#xE77B;" FontSize="28"/>
+                        <StackPanel Margin="20, 4" Orientation="Vertical">
+                            <TextBlock FontSize="20" Style="{ThemeResource SubtitleTextBlockStyle}" Text="April Fools"/>
+                            <TextBlock FontSize="13" Foreground="{ThemeResource TextFillColorSecondaryBrush}" Text="Enable or disable the April Fools tracking shenanigans"/>
+                        </StackPanel>
+                    </StackPanel>
+                    <ToggleSwitch Grid.Column="2" VerticalAlignment="Center" Margin="0, 0, 10, 0"
+                                  FontSize="16"
+                                  OnContent="Fun allowed" OffContent="No fun allowed"
+                                  IsOn="{x:Bind ViewModel.AprilFoolsEnabled, Mode=TwoWay}"/>
+                </Grid>
+            </Border>
+
+            <views:AvatarInfoControl
+                AvatarInfo="{x:Bind ViewModel.ParameterOutputService.AvatarInfo, Mode=OneWay}"
                 AvatarParameters="{x:Bind ViewModel.ParameterOutputService.AvatarParameters, Mode=OneWay}"/>
         </StackPanel>
     </Grid>