Add roughness enum.

Glamourer/Config/Configuration.cs

@@ -52,10 +52,11 @@ public sealed partial class Configuration : IPluginConfiguration, ISavable, ISer
     public bool   AllowDoubleClickToApply          { get; set; } = false;
     public bool   RespectManualOnAutomationUpdate  { get; set; } = false;
     public bool   PreventRandomRepeats             { get; set; } = false;
-    public bool?  AlwaysEditAsRoughness            { get; set; } = null;
     public string PcpFolder                        { get; set; } = "PCP";
     public string PcpColor                         { get; set; } = "";
 
+    public RoughnessSetting RoughnessSetting { get; set; } = RoughnessSetting.AsIs;
+
     public DesignPanelFlag HideDesignPanel       { get; set; } = 0;
     public DesignPanelFlag AutoExpandDesignPanel { get; set; } = 0;
 

Glamourer/Config/RoughnessSetting.cs

@@ -0,0 +1,27 @@
+using Luna.Generators;
+
+namespace Glamourer.Config;
+
+[NamedEnum(Utf16: false)]
+public enum RoughnessSetting
+{
+    [Name("As-Is")]
+    AsIs,
+
+    [Name("Always Roughness")]
+    AlwaysRoughness,
+
+    [Name("Always Gloss Strength")]
+    AlwaysGloss,
+}
+
+public static partial class RoughnessSettingExtensions
+{
+    public static bool Get(this RoughnessSetting setting, bool roughness)
+        => setting switch
+        {
+            RoughnessSetting.AlwaysRoughness => true,
+            RoughnessSetting.AlwaysGloss     => false,
+            _                                => roughness,
+        };
+}

Glamourer/Gui/Materials/AdvancedDyePopup.cs

@@ -453,14 +453,14 @@ public sealed unsafe class AdvancedDyePopup(
         else
         {
             Im.Item.SetNextWidthScaled(100);
-            var editAsRoughness = config.AlwaysEditAsRoughness ?? _mode is ColorRow.Mode.Dawntrail;
+            var editAsRoughness = config.RoughnessSetting.Get(_mode is ColorRow.Mode.Dawntrail);
             applied |= (_mode, editAsRoughness) switch
             {
                 (ColorRow.Mode.Legacy, false)    => DragGloss(ref value.Model.GlossStrength, false),
                 (ColorRow.Mode.Legacy, true)     => DragGlossAsRoughness(ref value.Model.GlossStrength, false),
                 (ColorRow.Mode.Dawntrail, false) => DragRoughnessAsGloss(ref value.Model.Roughness, false),
                 (ColorRow.Mode.Dawntrail, true)  => DragRoughness(ref value.Model.Roughness, false),
-                _                                => throw new NotImplementedException(),
+                _                                => false,
             };
             Im.Tooltip.OnHover(editAsRoughness ? "Change the roughness for this row."u8 : "Change the gloss strength for this row."u8);
 

Glamourer/Gui/Tabs/SettingsTab/SettingsTab.cs

@@ -553,30 +553,20 @@ private string _newIgnoredMod = string.Empty;
     private void DrawRoughnessSettings()
     {
         Im.Item.SetNextWidthScaled(300);
-        using (var combo = Im.Combo.Begin("##alwaysEditAsRoughness"u8, ToRoughnessSettingString(config.AlwaysEditAsRoughness)))
+        using (var combo = Im.Combo.Begin("##alwaysEditAsRoughness"u8, config.RoughnessSetting.ToNameU8()))
         {
             if (combo)
-                foreach (var type in (IEnumerable<bool?>)[null, true, false,])
+                foreach (var type in RoughnessSetting.Values)
                 {
-                    if (Im.Selectable(ToRoughnessSettingString(type), config.AlwaysEditAsRoughness == type))
+                    if (Im.Selectable(type.ToNameU8(), config.RoughnessSetting == type))
                     {
-                        config.AlwaysEditAsRoughness = type;
+                        config.RoughnessSetting = type;
                         config.Save();
                     }
                 }
         }
 
         LunaStyle.DrawAlignedHelpMarkerLabel("Gloss Strength and Roughness Display Type"u8,
-            "Select how to display and edit Gloss Strength and Roughness values.\nThe conversion formula used is an approximation and does not account for all the subtleties of legacy vs PBR shaders."u8);
+            "Select how to display and edit Gloss Strength and Roughness values.\nThe conversion formula used is an approximation and does not account for all the subtleties of legacy versus PBR shaders."u8);
-
-        return;
-
-        static ReadOnlySpan<byte> ToRoughnessSettingString(bool? alwaysEditAsRoughness)
-            => alwaysEditAsRoughness switch
-            {
-                null  => "As-Is"u8,
-                true  => "Always Roughness"u8,
-                false => "Always Gloss Strength"u8,
-            };
     }
 }