feat: Refactor CJK font resources into a TTC collection and add support for multi-language switching.

Dalamud/DalamudAsset.cs

@@ -1,4 +1,4 @@
-using Dalamud.Storage.Assets;
+using Dalamud.Storage.Assets;
 
 using TerraFX.Interop.DirectX;
 
@@ -128,17 +128,17 @@ public enum DalamudAsset
     /// <see cref="DalamudAssetPurpose.Font"/>: Noto Sans CJK JP Medium.
     /// </summary>
     [DalamudAsset(DalamudAssetPurpose.Font)]
-    [DalamudAssetPath("UIRes", "NotoSansCJKjp-Regular.otf")]
+    //[DalamudAssetPath("UIRes", "NotoSansCJKjp-Regular.otf")]
-    [DalamudAssetPath("UIRes", "NotoSansCJKjp-Medium.otf")]
+    [DalamudAssetPath("UIRes", "NotoSansCJK-Medium.ttc")]
-    NotoSansJpMedium = 2000,
+    NotoSansCJKMedium = 2000,
 
     /// <summary>
     /// <see cref="DalamudAssetPurpose.Font"/>: Noto Sans CJK KR Regular.
     /// </summary>
     [DalamudAsset(DalamudAssetPurpose.Font)]
-    [DalamudAssetPath("UIRes", "NotoSansCJKkr-Regular.otf")]
+    //[DalamudAssetPath("UIRes", "NotoSansCJKkr-Regular.otf")]
-    [DalamudAssetPath("UIRes", "NotoSansKR-Regular.otf")]
+    [DalamudAssetPath("UIRes", "NotoSansCJK-Regular.ttc")]
-    NotoSansKrRegular = 2001,
+    NotoSansCJKRegular = 2001,
 
     /// <summary>
     /// <see cref="DalamudAssetPurpose.Font"/>: Inconsolata Regular.

Dalamud/Interface/FontIdentifier/IFontFamilyId.cs

@@ -38,7 +38,8 @@ public interface IFontFamilyId : IObjectWithLocalizableName
     public static List<IFontFamilyId> ListDalamudFonts() =>
         new()
         {
-            new DalamudAssetFontAndFamilyId(DalamudAsset.NotoSansJpMedium),
+            new DalamudAssetFontAndFamilyId(DalamudAsset.NotoSansCJKMedium),
+            new DalamudAssetFontAndFamilyId(DalamudAsset.NotoSansCJKRegular),
             new DalamudAssetFontAndFamilyId(DalamudAsset.InconsolataRegular),
             new DalamudAssetFontAndFamilyId(DalamudAsset.FontAwesomeFreeSolid),
         };

Dalamud/Interface/FontIdentifier/IFontSpec.cs

@@ -24,6 +24,11 @@ public interface IFontSpec
     /// </summary>
     float LineHeightPx { get; }
 
+    /// <summary>
+    /// Gets the font no.
+    /// </summary>
+    int FontNo { get; }
+
     /// <summary>
     /// Creates a font handle corresponding to this font specification.
     /// </summary>

Dalamud/Interface/FontIdentifier/SingleFontSpec.cs

@@ -65,6 +65,12 @@ public record SingleFontSpec : IFontSpec
     [JsonProperty]
     public ushort[]? GlyphRanges { get; init; }
 
+    /// <summary>
+    /// Gets the font no.
+    /// </summary>
+    [JsonProperty]
+    public int FontNo { get; init; }
+
     /// <inheritdoc/>
     public string ToLocalizedString(string localeCode)
     {
@@ -99,6 +105,7 @@ public record SingleFontSpec : IFontSpec
             tk,
             new()
             {
+                FontNo = this.FontNo,
                 SizePx = this.SizePx,
                 GlyphRanges = this.GlyphRanges,
                 MergeFont = mergeFont,

Dalamud/Interface/ImGuiFontChooserDialog/SingleFontChooserDialog.cs

@@ -128,7 +128,7 @@ public sealed class SingleFontChooserDialog : IDisposable
         this.popupImGuiName = $"{this.title}##{nameof(SingleFontChooserDialog)}[{this.counter}]";
         this.atlas = newAsyncAtlas;
         this.selectedFont = new() { FontId = DalamudDefaultFontAndFamilyId.Instance };
-        Encoding.UTF8.GetBytes("Font preview.\n0123456789!", this.fontPreviewText);
+        Encoding.UTF8.GetBytes("Font preview.\n0123456789!\n遍角次亮采之门，门上插刀、直字拐弯、天上平板、船顶漏雨。\n다람쥐 헌 쳇바퀴에 타고파", this.fontPreviewText);
     }
 
     /// <summary>Called when the selected font spec has changed.</summary>
@@ -891,7 +891,21 @@ public sealed class SingleFontChooserDialog : IDisposable
             this.selectedFontWeight = font.Weight;
             this.selectedFontStretch = font.Stretch;
             this.selectedFontStyle = font.Style;
-            this.selectedFont = this.selectedFont with { FontId = font };
+            int fontNo = 0;
+            if (family is DalamudAssetFontAndFamilyId { Asset: DalamudAsset.NotoSansCJKRegular or DalamudAsset.NotoSansCJKMedium })
+            {
+                var dalamudConfiguration = Service<DalamudConfiguration>.Get();
+                fontNo = dalamudConfiguration.EffectiveLanguage switch
+                {
+                    "jp" => 0,
+                    "tw" => 1,
+                    "zh" => 2,
+                    "ko" => 3,
+                    _ => 0,
+                };
+            }
+
+            this.selectedFont = this.selectedFont with { FontId = font, FontNo = fontNo };
         }
 
         return changed;

Dalamud/Interface/ManagedFontAtlas/Internals/FontAtlasFactory.BuildToolkit.cs

@@ -371,10 +371,7 @@ internal sealed partial class FontAtlasFactory
                     return this.factory.AddFont(
                         this,
                         asset,
-                        fontConfig with
+                        fontConfig);
-                        {
-                            FontNo = 0,
-                        });
             }
         }
 
@@ -562,31 +559,38 @@ internal sealed partial class FontAtlasFactory
                 return;
 
             var dalamudConfiguration = Service<DalamudConfiguration>.Get();
-            if (dalamudConfiguration.EffectiveLanguage == "ko"
+            var ime = Service<DalamudIme>.GetNullable();
-                || Service<DalamudIme>.GetNullable()?.EncounteredHangul is true)
+
+            string langTag = null;
+            // fontNo: 0 = japanese, 1 = traditional chinese, 2 = simplified chinese, 3 = korean
+            int fontNo = 0;
+
+            if (dalamudConfiguration.EffectiveLanguage == "tw")
             {
-                this.AddDalamudAssetFont(
+                langTag = "zh-hant";
-                    DalamudAsset.NotoSansKrRegular,
+                fontNo = 1;
-                    fontConfig with
+            }
+            else if (dalamudConfiguration.EffectiveLanguage == "zh" || ime?.EncounteredHan is true)
             {
-                        MergeFont = targetFont,
+                langTag = "zh-hans";
-                        GlyphRanges = default(FluentGlyphRangeBuilder).WithLanguage("ko-kr").BuildExact(),
+                fontNo = 2;
-                    });
+            }
+            else if (dalamudConfiguration.EffectiveLanguage == "ko" || ime?.EncounteredHangul is true)
+            {
+                langTag = "ko-kr";
+                fontNo = 3;
             }
 
-            if (Service<DalamudConfiguration>.Get().EffectiveLanguage == "tw")
+            Log.Debug($"Loading extra glyphs for language tag '{langTag}' (font no {fontNo})");
+            if (langTag != null)
             {
-                this.AttachWindowsDefaultFont(CultureInfo.GetCultureInfo("zh-hant"), fontConfig with
+                this.AddDalamudAssetFont(
+                    DalamudAsset.NotoSansCJKRegular,
+                    fontConfig with
                     {
-                    GlyphRanges = default(FluentGlyphRangeBuilder).WithLanguage("zh-hant").BuildExact(),
+                        FontNo = fontNo,
-                });
+                        MergeFont = targetFont,
-            }
+                        GlyphRanges = default(FluentGlyphRangeBuilder).WithLanguage(langTag).BuildExact(),
-            else if (Service<DalamudConfiguration>.Get().EffectiveLanguage == "zh"
-                     || Service<DalamudIme>.GetNullable()?.EncounteredHan is true)
-            {
-                this.AttachWindowsDefaultFont(CultureInfo.GetCultureInfo("zh-hans"), fontConfig with
-                {
-                    GlyphRanges = default(FluentGlyphRangeBuilder).WithLanguage("zh-hans").BuildExact(),
                     });
             }
         }
@@ -629,7 +633,7 @@ internal sealed partial class FontAtlasFactory
             if (this.data.ConfigData.Length == 0)
             {
                 this.AddDalamudAssetFont(
-                    DalamudAsset.NotoSansJpMedium,
+                    DalamudAsset.NotoSansCJKRegular,
                     new() { GlyphRanges = new ushort[] { ' ', ' ', '\0' }, SizePx = 1 });
             }
 

Dalamud/Interface/ManagedFontAtlas/Internals/GamePrebakedFontHandle.cs

@@ -412,7 +412,7 @@ internal class GamePrebakedFontHandle : FontHandle
         private ImFontPtr CreateTemplateFont(IFontAtlasBuildToolkitPreBuild toolkitPreBuild, float sizePx)
         {
             var font = toolkitPreBuild.AddDalamudAssetFont(
-                DalamudAsset.NotoSansJpMedium,
+                DalamudAsset.NotoSansCJKMedium,
                 new()
                 {
                     GlyphRanges = new ushort[] { ' ', ' ', '\0' },