Allow selecting custom fonts

src/StudioCore/CFG.cs

@@ -49,6 +49,8 @@ public class CFG
     public bool FontKorean = false;
     public bool FontThai = false;
     public bool FontVietnamese = false;
+    public string TTFEnglish = "";
+    public string TTFOther = "";
 
     public bool AliasBank_EditorMode = false;
 

src/StudioCore/MapStudioNew.cs

@@ -165,12 +165,19 @@ public unsafe MapStudioNew(IGraphicsContext context, string version)
 
     private unsafe void SetupFonts()
     {
+        string engFont = @"Assets\Fonts\RobotoMono-Light.ttf";
+        string otherFont = @"Assets\Fonts\NotoSansCJKtc-Light.otf";
+        if (!string.IsNullOrWhiteSpace(CFG.Current.TTFEnglish) && File.Exists(CFG.Current.TTFEnglish))
+            engFont = CFG.Current.TTFEnglish;
+        if (!string.IsNullOrWhiteSpace(CFG.Current.TTFOther) && File.Exists(CFG.Current.TTFOther))
+            otherFont = CFG.Current.TTFOther;
+
         ImFontAtlas* fonts = ImGui.GetIO()->Fonts;
-        var fileEn = Path.Combine(AppContext.BaseDirectory, @"Assets\Fonts\RobotoMono-Light.ttf");
+        var fileEn = Path.Combine(AppContext.BaseDirectory, engFont);
         var fontEn = File.ReadAllBytes(fileEn);
         var fontEnNative = new IntPtr(ImGui.MemAlloc(fontEn.Length));
         Marshal.Copy(fontEn, 0, fontEnNative, fontEn.Length);
-        var fileOther = Path.Combine(AppContext.BaseDirectory, @"Assets\Fonts\NotoSansCJKtc-Light.otf");
+        var fileOther = Path.Combine(AppContext.BaseDirectory, otherFont);
         var fontOther = File.ReadAllBytes(fileOther);
         var fontOtherNative = new IntPtr(ImGui.MemAlloc(fontOther.Length));
         Marshal.Copy(fontOther, 0, fontOtherNative, fontOther.Length);

src/StudioCore/SettingsMenu.cs

@@ -13,6 +13,8 @@
 using System.Reflection;
 using Veldrid;
 using StudioCore.Interface;
+using StudioCore.Platform;
+using System.IO;
 
 namespace StudioCore;
 
@@ -86,8 +88,45 @@ private void DisplaySettings_System()
             }
 
             // Additional Language Fonts
-            if (ImGui.CollapsingHeader("Additional Language Fonts"))
+            if (ImGui.CollapsingHeader("Fonts and Additional Language Characters"))
             {
+
+                if (CFG.Current.ShowUITooltips)
+                {
+                    ShowHelpMarker("Use the following font for English characters. .ttf and .otf expected.");
+                    ImGui.SameLine();
+                }
+                if (ImGui.Button("Set English font"))
+                {
+                    PlatformUtils.Instance.OpenFileDialog("Select Font", ["*.ttf", "*.otf"], out string path);
+                    if (File.Exists(path))
+                    {
+                        CFG.Current.TTFEnglish = path;
+                        FontRebuildRequest = true;
+                    }
+                }
+                ImGui.SameLine();
+                ImGui.Text(CFG.Current.TTFEnglish);
+
+                if (CFG.Current.ShowUITooltips)
+                {
+                    ShowHelpMarker("Use the following font for Non-English characters. .ttf and .otf expected.");
+                    ImGui.SameLine();
+                }
+                if (ImGui.Button("Set Other Languages font"))
+                {
+                    PlatformUtils.Instance.OpenFileDialog("Select Font", ["ttf", "otf"], out string path);
+                    if (File.Exists(path))
+                    {
+                        CFG.Current.TTFOther = path;
+                        FontRebuildRequest = true;
+                    }
+                }
+                ImGui.SameLine();
+                ImGui.Text(CFG.Current.TTFOther);
+
+                ImGui.Separator();
+
                 if (CFG.Current.ShowUITooltips)
                 {
                     ShowHelpMarker("Include Chinese font.\nAdditional fonts take more VRAM and increase startup time.");