- add: Localisation - start

Nebula.Launcher/App.axaml.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Globalization;
 using System.Linq;
 using Avalonia;
 using Avalonia.Controls;

Nebula.Launcher/LauncherConVar.cs

@@ -17,4 +17,6 @@ public static class LauncherConVar
     public static readonly ConVar<string[]> AuthServers = ConVarBuilder.Build<string[]>("launcher.authServers", [
         "https://auth.spacestation14.com/"
     ]);
+
+    public static readonly ConVar<string> CurrentLang = ConVarBuilder.Build<string>("launcher.language", "en-US");
 }

Nebula.Launcher/Nebula.Launcher.csproj

@@ -26,6 +26,7 @@
             <PrivateAssets Condition="'$(Configuration)' != 'Debug'">All</PrivateAssets>
         </PackageReference>
         <PackageReference Include="CommunityToolkit.Mvvm" Version="8.2.1"/>
+        <PackageReference Include="Fluent.Net" Version="1.0.63" />
         <PackageReference Include="JetBrains.Annotations" Version="2024.3.0"/>
         <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="9.0.0"/>
         <PackageReference Include="libsodium" Version="1.0.20"/>

Nebula.Launcher/Services/LocalisationService.cs

@@ -0,0 +1,45 @@
+using System;
+using System.Globalization;
+using System.IO;
+using Avalonia.Platform;
+using Fluent.Net;
+using Nebula.Shared;
+using Nebula.Shared.Services;
+
+namespace Nebula.Launcher.Services;
+
+[ConstructGenerator, ServiceRegister]
+public partial class LocalisationService
+{
+    [GenerateProperty] private ConfigurationService ConfigurationService { get; }
+
+    private CultureInfo _currentCultureInfo = CultureInfo.CurrentCulture;
+    private MessageContext _currentMessageContext;
+    
+    private void Initialise()
+    {
+       // LoadLanguage(CultureInfo.GetCultureInfo(ConfigurationService.GetConfigValue(LauncherConVar.CurrentLang)!));
+    }
+
+    public void LoadLanguage(CultureInfo cultureInfo)
+    {
+        _currentCultureInfo = cultureInfo;
+        using var fs = AssetLoader.Open(new Uri($@"Assets/lang/{_currentCultureInfo.EnglishName}.ftl"));
+        using var sr = new StreamReader(fs);
+        
+        var options = new MessageContextOptions { UseIsolating = false };
+        var mc = new MessageContext(cultureInfo.EnglishName, options);
+        var errors = mc.AddMessages(sr);
+        foreach (var error in errors)
+        {
+            Console.WriteLine(error);
+        }
+
+        _currentMessageContext = mc;
+    }
+
+    private void InitialiseInDesignMode()
+    {
+        Initialise();
+    }
+}