- tweak: loading popup thinks

* - tweak: change loading handle logic

* - tweak: beautify loading thinks

* - fix: speed thinks while downloading

Nebula.Launcher/Services/LocalizationService.cs

@@ -0,0 +1,79 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using Avalonia.Markup.Xaml;
+using Avalonia.Platform;
+using Fluent.Net;
+using Nebula.Shared;
+using Nebula.Shared.Services;
+
+namespace Nebula.Launcher.Services;
+
+[ConstructGenerator, ServiceRegister]
+public partial class LocalizationService
+{
+    [GenerateProperty] private ConfigurationService ConfigurationService { get; }
+    [GenerateProperty] private DebugService DebugService { get; }
+    
+    private CultureInfo _currentCultureInfo = CultureInfo.CurrentCulture;
+    private static MessageContext? _currentMessageContext;
+
+    private void Initialise()
+    {
+        LoadLanguage(CultureInfo.GetCultureInfo(ConfigurationService.GetConfigValue(LauncherConVar.CurrentLang)!));
+    }
+
+    public void LoadLanguage(CultureInfo cultureInfo)
+    {
+        try
+        {
+            _currentCultureInfo = cultureInfo;
+            using var fs = AssetLoader.Open(new Uri($@"avares://Nebula.Launcher/Assets/lang/{_currentCultureInfo.Name}.ftl"));
+            using var sr = new StreamReader(fs);
+
+            var options = new MessageContextOptions { UseIsolating = false };
+            var mc = new MessageContext(cultureInfo.Name, options);
+            var errors = mc.AddMessages(sr);
+            foreach (var error in errors)
+            {
+                Console.WriteLine(error);
+            }
+
+
+            _currentMessageContext = mc;
+        } catch (Exception e) {
+            DebugService.GetLogger("localisationService").Error(e);
+            LoadLanguage(CultureInfo.GetCultureInfo("en-US"));
+        }
+    }
+
+    private void InitialiseInDesignMode()
+    {
+        Initialise();
+    }
+
+    public static string GetString(string locale, Dictionary<string, object>? options = null)
+    {
+        if (_currentMessageContext is null)
+        {
+            return locale;
+        }
+        var message = _currentMessageContext.GetMessage(locale);
+        if (message == null) return locale;
+        return _currentMessageContext.Format(message, options ?? []);
+    }
+}
+
+public class LocaledText : MarkupExtension
+{
+    public string Key { get; set; } 
+    public Dictionary<string, object>? Options { get; set; }
+
+    public LocaledText(string key) => Key = key;
+
+    public override object ProvideValue(IServiceProvider serviceProvider)
+    {
+        return LocalizationService.GetString(Key, Options);
+    }
+}